:root {
  --eri-bg: #0b0f14;
  --eri-surface: #111820;
  --eri-surface-alt: #0f151c;
  --eri-text: #f2f4f7;
  --eri-muted: #9aa4b2;
  --eri-accent: #ff8a00;
  --eri-cyan: #69d2e7;
  --eri-border: rgba(242, 244, 247, .12);
  --eri-container: 76rem;
  --eri-shadow: 0 18px 45px rgba(0, 0, 0, .22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--eri-bg); }
body.eri-page { margin: 0; overflow-x: hidden; background: var(--eri-bg); color: var(--eri-text); font-family: Inter, Arial, sans-serif; font-size: clamp(1rem, .22vw + .95rem, 1.125rem); line-height: 1.65; }
.eri-page a { color: inherit; text-decoration: none; }
.eri-page img { display: block; max-width: 100%; height: auto; }
.eri-page button { font: inherit; }
.eri-container { width: min(calc(100% - 3rem), var(--eri-container)); margin-inline: auto; }
.eri-skip { position: fixed; top: .75rem; left: .75rem; z-index: 100; padding: .7rem 1rem; background: var(--eri-accent); color: #15191d; opacity: 0; pointer-events: none; transform: translateY(-150%); transition: opacity .16s ease, transform .16s ease; font: 700 .78rem/1 "JetBrains Mono", monospace; }
.eri-skip:focus-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.eri-topbar { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--eri-border); background: rgba(11, 15, 20, .9); backdrop-filter: blur(14px); }
.eri-topbar__inner { display: flex; min-height: 4.7rem; align-items: center; justify-content: space-between; gap: 1.5rem; }
.eri-brand { display: inline-flex; flex: 0 0 auto; align-items: center; width: clamp(7.25rem, 12vw, 9.25rem); }
.eri-brand:focus-visible, .eri-nav a:focus-visible, .eri-button:focus-visible, .eri-text-link:focus-visible, .eri-social a:focus-visible { outline: 2px solid var(--eri-cyan); outline-offset: 4px; }
.eri-nav ul { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(.7rem, 1.65vw, 1.35rem); margin: 0; padding: 0; list-style: none; }
.eri-nav a { color: var(--eri-muted); font: 600 .68rem/1.2 "JetBrains Mono", monospace; letter-spacing: .06em; text-transform: uppercase; transition: color .2s ease; }
.eri-nav a:hover, .eri-nav a:focus-visible { color: var(--eri-accent); }
.eri-nav__github { color: var(--eri-text) !important; }
.eri-menu { display: none; width: 2.75rem; min-height: 2.75rem; padding: .55rem; border: 1px solid var(--eri-border); border-radius: .3rem; background: transparent; color: var(--eri-text); cursor: pointer; }
.eri-menu span, .eri-menu::before, .eri-menu::after { display: block; width: 100%; height: 2px; background: currentColor; content: ""; transition: transform .2s ease, opacity .2s ease; }
.eri-menu span { margin-block: .36rem; }
.eri-menu[aria-expanded="true"]::before { transform: translateY(8px) rotate(45deg); }
.eri-menu[aria-expanded="true"] span { opacity: 0; }
.eri-menu[aria-expanded="true"]::after { transform: translateY(-8px) rotate(-45deg); }

.eri-hero { position: relative; isolation: isolate; overflow: clip; border-bottom: 1px solid var(--eri-border); }
.eri-hero::before { position: absolute; inset: 0; z-index: -2; background-image: linear-gradient(rgba(105, 210, 231, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(105, 210, 231, .055) 1px, transparent 1px); background-size: 3.25rem 3.25rem; content: ""; mask-image: linear-gradient(to bottom, #000, transparent 80%); }
.eri-hero::after { position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 79% 43%, rgba(255, 138, 0, .1), transparent 28rem); content: ""; }
.eri-hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .85fr); align-items: center; gap: clamp(2.5rem, 7vw, 7rem); min-height: min(47rem, calc(100svh - 4.7rem)); padding-block: clamp(5rem, 11vw, 8.5rem); }
.eri-kicker, .eri-section-label, .eri-meta { margin: 0; color: var(--eri-cyan); font: 600 .7rem/1.4 "JetBrains Mono", monospace; letter-spacing: .095em; text-transform: uppercase; }
.eri-kicker { color: var(--eri-accent); }
.eri-hero h1 { max-width: 12ch; margin: 1.25rem 0 0; font: 600 clamp(2.65rem, 6vw, 5.7rem)/.98 "Space Grotesk", sans-serif; letter-spacing: -.055em; }
.eri-hero h1 span { display: block; margin-top: .55rem; color: var(--eri-text); font-size: clamp(1.45rem, 3vw, 2.75rem); letter-spacing: -.04em; }
.eri-hero__statement { max-width: 62ch; margin: 1.7rem 0 0; color: var(--eri-text); font-size: clamp(1.05rem, 1.1vw, 1.22rem); line-height: 1.65; }
.eri-hero__metadata { display: grid; gap: .25rem; margin: 1.6rem 0 0; color: var(--eri-muted); font-size: .88rem; }
.eri-hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.eri-button { display: inline-flex; min-height: 2.9rem; align-items: center; justify-content: center; padding: .65rem 1rem; border: 1px solid var(--eri-border); border-radius: .28rem; font: 700 .72rem/1.2 "JetBrains Mono", monospace; letter-spacing: .045em; text-transform: uppercase; transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease; }
.eri-button:hover { transform: translateY(-2px); }
.eri-button--primary { border-color: var(--eri-accent); background: var(--eri-accent); color: #161a1e; }
.eri-button--primary:hover { background: #ffa33f; }
.eri-button--secondary { color: var(--eri-text); }
.eri-button--secondary:hover { border-color: var(--eri-cyan); color: var(--eri-cyan); }
.eri-social { display: flex; gap: 1rem; margin-top: 1.25rem; }
.eri-social a { color: var(--eri-muted); font: 600 .72rem/1.2 "JetBrains Mono", monospace; }
.eri-social a:hover { color: var(--eri-cyan); }
.eri-hero__visual { position: relative; justify-self: end; width: min(100%, 25rem); }
.eri-portrait { position: relative; overflow: hidden; border: 1px solid var(--eri-border); background: var(--eri-surface); box-shadow: var(--eri-shadow); }
.eri-portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center; filter: saturate(.78) contrast(1.04); }
.eri-portrait::after { position: absolute; inset: 0; border: 1.15rem solid rgba(11, 15, 20, .18); content: ""; pointer-events: none; }
.eri-visual-note { position: absolute; right: -1rem; bottom: 1.25rem; max-width: 13rem; padding: .65rem .75rem; border: 1px solid rgba(105, 210, 231, .35); background: rgba(11, 15, 20, .9); color: var(--eri-cyan); font: 600 .62rem/1.5 "JetBrains Mono", monospace; letter-spacing: .04em; }
.eri-axis { position: absolute; top: 1.5rem; left: -1rem; width: 4.4rem; height: 4.4rem; border-left: 1px solid var(--eri-accent); border-bottom: 1px solid var(--eri-cyan); opacity: .85; }
.eri-axis::before { position: absolute; top: -1.1rem; left: -.25rem; color: var(--eri-accent); content: "Z"; font: .65rem "JetBrains Mono", monospace; }
.eri-axis::after { position: absolute; right: -.85rem; bottom: -.25rem; color: var(--eri-cyan); content: "X"; font: .65rem "JetBrains Mono", monospace; }

.eri-section { padding-block: clamp(4.5rem, 8vw, 7.5rem); scroll-margin-top: 5rem; }
.eri-section--surface { border-block: 1px solid var(--eri-border); background: var(--eri-surface-alt); }
.eri-section__heading { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: end; gap: 2rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.eri-section h2 { max-width: 17ch; margin: .75rem 0 0; font: 600 clamp(1.9rem, 3.5vw, 3.45rem)/1.07 "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.eri-section__intro, .eri-prose { max-width: 68ch; margin: 0; color: var(--eri-muted); }
.eri-split { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(2rem, 7vw, 7rem); }
.eri-prose p { margin: 0 0 1.15rem; }
.eri-prose strong { color: var(--eri-text); font-weight: 600; }
.eri-text-link { color: var(--eri-accent) !important; font: 700 .72rem/1.2 "JetBrains Mono", monospace; letter-spacing: .045em; text-transform: uppercase; }
.eri-text-link:hover { color: var(--eri-cyan) !important; }
.eri-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.eri-card { min-height: 100%; padding: 1.35rem; border: 1px solid var(--eri-border); background: rgba(17, 24, 32, .52); transition: border-color .2s ease, transform .2s ease, background-color .2s ease; }
.eri-card:hover { border-color: rgba(105, 210, 231, .48); background: rgba(17, 24, 32, .94); transform: translateY(-3px); }
.eri-card__number { display: block; color: var(--eri-accent); font: 600 .68rem/1 "JetBrains Mono", monospace; }
.eri-card h3 { margin: 1.45rem 0 .65rem; font: 600 1.04rem/1.35 "Space Grotesk", sans-serif; }
.eri-card p { margin: 0; color: var(--eri-muted); font-size: .9rem; }
.eri-card__tags, .eri-card__status { display: block; margin-top: 1.25rem; color: var(--eri-cyan); font: 600 .64rem/1.55 "JetBrains Mono", monospace; letter-spacing: .035em; text-transform: uppercase; }
.eri-projects { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.eri-project { display: flex; min-height: 17rem; flex-direction: column; justify-content: space-between; padding: 1.5rem; border: 1px solid var(--eri-border); background: linear-gradient(145deg, rgba(17, 24, 32, .88), rgba(11, 15, 20, .7)); }
.eri-project h3 { max-width: 15ch; margin: .9rem 0 0; font: 600 clamp(1.25rem, 2vw, 1.6rem)/1.15 "Space Grotesk", sans-serif; }
.eri-project p { margin: .75rem 0 0; color: var(--eri-muted); font-size: .9rem; }
.eri-project__footer { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem; margin-top: 1.5rem; }
.eri-project__footer span { color: var(--eri-cyan); font: 600 .62rem/1.5 "JetBrains Mono", monospace; text-transform: uppercase; }
.eri-publication { padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px dashed rgba(105, 210, 231, .35); background: rgba(105, 210, 231, .035); }
.eri-publication p { max-width: 66ch; margin: .8rem 0 0; color: var(--eri-muted); }
.eri-publication em { display: block; margin-top: 1rem; color: var(--eri-cyan); font: 600 .67rem/1.5 "JetBrains Mono", monospace; font-style: normal; text-transform: uppercase; }
.eri-tool-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.eri-tool-grid .eri-card { padding: 1.15rem; }
.eri-tool-grid .eri-card h3 { margin-top: .95rem; }
.eri-contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, .65fr); gap: clamp(2rem, 7vw, 6rem); align-items: start; }
.eri-contact__links { display: grid; gap: .7rem; }
.eri-contact__links a { display: flex; min-height: 3.1rem; align-items: center; padding: .75rem 1rem; border: 1px solid var(--eri-border); background: var(--eri-surface); color: var(--eri-text); font: 600 .78rem/1.35 "JetBrains Mono", monospace; transition: border-color .2s ease, color .2s ease; }
.eri-contact__links a:hover { border-color: var(--eri-accent); color: var(--eri-accent); }
.eri-footer { border-top: 1px solid var(--eri-border); padding-block: 1.45rem; color: var(--eri-muted); font: 600 .65rem/1.5 "JetBrains Mono", monospace; }
.eri-footer .eri-container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; }
.eri-footer a { color: var(--eri-cyan); }

@media (max-width: 1024px) { .eri-hero__grid { grid-template-columns: minmax(0, 1fr) minmax(16rem, .7fr); gap: 3rem; } .eri-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .eri-projects { grid-template-columns: 1fr; } .eri-project { min-height: 14rem; } .eri-tool-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 768px) { .eri-container { width: min(calc(100% - 2rem), var(--eri-container)); } .eri-menu { display: block; z-index: 3; } .eri-nav { position: fixed; inset: 4.7rem 0 auto 0; display: none; padding: 1.25rem 1rem 1.5rem; border-bottom: 1px solid var(--eri-border); background: #0b0f14; } .eri-nav[data-open="true"] { display: block; } .eri-nav ul { display: grid; gap: 1.15rem; } .eri-nav a { display: block; min-height: 2.75rem; padding-block: .75rem; font-size: .78rem; } .eri-hero__grid, .eri-section__heading, .eri-split, .eri-contact { grid-template-columns: 1fr; } .eri-hero__grid { min-height: 0; padding-block: 4.5rem; } .eri-hero__visual { justify-self: start; width: min(100%, 21rem); margin-top: .5rem; } .eri-section__heading { align-items: start; } .eri-section h2 { max-width: 20ch; } .eri-section__intro { max-width: 62ch; } }
@media (max-width: 480px) { .eri-hero h1 { font-size: clamp(2.35rem, 12vw, 3.35rem); } .eri-hero h1 span { font-size: 1.35rem; } .eri-hero__actions { display: grid; } .eri-button { width: 100%; min-height: 3rem; } .eri-grid, .eri-tool-grid { grid-template-columns: 1fr; } .eri-card, .eri-project { padding: 1.2rem; } .eri-visual-note { right: -.4rem; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }

/* Hero robotics composition and editorial About refinement */
.eri-hero__visual.eri-robotics-visual { position: relative; display: grid; width: min(100%, 31rem); min-height: 29rem; align-items: end; }
.eri-code-panel { position: absolute; top: 1rem; right: 0; z-index: 0; width: min(88%, 25rem); padding: 1.15rem 1.2rem; border: 1px solid rgba(105, 210, 231, .22); background: rgba(17, 24, 32, .7); box-shadow: var(--eri-shadow); color: #cbd4db; font: 500 .66rem/1.65 "JetBrains Mono", monospace; }
.eri-code-panel__label, .eri-code-panel__note { display: block; color: var(--eri-cyan); font-size: .59rem; letter-spacing: .07em; }
.eri-code-panel__note { margin-top: .65rem; color: var(--eri-muted); }
.eri-code-panel pre { overflow: hidden; margin: .65rem 0 0; white-space: pre-wrap; }
.eri-code-keyword { color: var(--eri-accent); }
.eri-robotics-flow { position: absolute; top: 14rem; right: 0; z-index: 2; display: flex; align-items: center; gap: .38rem; color: var(--eri-cyan); font: 600 .52rem/1 "JetBrains Mono", monospace; letter-spacing: .04em; }
.eri-robotics-flow i { display: block; width: 1.15rem; height: 1px; background: var(--eri-accent); }
.eri-manipulator { position: relative; z-index: 1; width: 100%; max-width: 31rem; overflow: visible; }
.eri-robot-grid path { stroke: rgba(154, 164, 178, .12); stroke-width: 1; }
.eri-construction path, .eri-construction circle { fill: none; stroke: rgba(105, 210, 231, .24); stroke-width: 1; stroke-dasharray: 4 5; }
.eri-links path { fill: none; stroke: url(#eri-link-gradient); stroke-linecap: round; stroke-width: 13; }
.eri-joints circle { fill: var(--eri-accent); stroke: #0b0f14; stroke-width: 5; }
.eri-trajectory { fill: none; stroke: var(--eri-cyan); stroke-width: 2.5; stroke-dasharray: 6 5; filter: url(#eri-glow); }
.eri-effector path { fill: none; stroke: #f2f4f7; stroke-width: 4; stroke-linecap: round; }
.eri-effector circle { fill: transparent; stroke: var(--eri-cyan); stroke-width: 3; }
.eri-coordinate path { fill: none; stroke: var(--eri-cyan); stroke-width: 1.5; }
.eri-coordinate text, .eri-svg-labels text { fill: #9aa4b2; font: 600 10px "JetBrains Mono", monospace; letter-spacing: .05em; }
.eri-svg-labels text:last-child { fill: var(--eri-cyan); }
.eri-about-editorial { display: grid; grid-template-columns: minmax(14rem, .72fr) minmax(0, 1.28fr); gap: clamp(2.25rem, 7vw, 7rem); align-items: center; }
.eri-about-portrait { position: relative; max-width: 22rem; margin: 0; }
.eri-about-portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: saturate(.8) contrast(1.03); }
.eri-about-portrait::before { position: absolute; top: -1rem; left: -1rem; z-index: -1; width: 65%; height: 45%; border-top: 1px solid var(--eri-accent); border-left: 1px solid var(--eri-accent); content: ""; }
.eri-about-portrait figcaption { display: flex; flex-wrap: wrap; gap: .38rem .65rem; margin-top: .9rem; color: var(--eri-cyan); font: 600 .59rem/1.4 "JetBrains Mono", monospace; letter-spacing: .04em; text-transform: uppercase; }
.eri-about-copy h2 { max-width: 15ch; }
.eri-about-copy .eri-prose { margin-top: 1.5rem; }
@media (max-width: 768px) { .eri-hero__visual.eri-robotics-visual { justify-self: start; width: min(100%, 29rem); min-height: 25rem; } .eri-about-editorial { grid-template-columns: 1fr; } .eri-about-portrait { max-width: 20rem; } }
@media (max-width: 480px) { .eri-hero__visual.eri-robotics-visual { min-height: 20rem; } .eri-code-panel { width: 94%; padding: .8rem; font-size: .55rem; } .eri-robotics-flow { top: 11.6rem; font-size: .45rem; } .eri-robotics-flow i { width: .55rem; } .eri-svg-labels text { font-size: 8px; } .eri-about-portrait { max-width: 100%; } }

/* Full-width manipulator introduction and centered codeEngineering overview */
.eri-manipulator-banner { width: 100%; overflow: hidden; border-bottom: 1px solid var(--eri-border); background: var(--eri-bg); }
.eri-manipulator-banner img { display: block; width: 100%; height: auto; margin: 0; object-fit: contain; object-position: center; }
.eri-platform-intro { padding: clamp(3.75rem, 7vw, 6.5rem) 0 clamp(4.5rem, 8vw, 7.5rem); text-align: center; }
.eri-platform-intro__content { width: min(calc(100% - 3rem), 57rem); }
.eri-platform-intro .eri-kicker { max-width: 48rem; margin-inline: auto; }
.eri-platform-intro h1 { max-width: 17ch; margin: 1.15rem auto 0; font: 600 clamp(2.3rem, 5.2vw, 5.1rem)/1.02 "Space Grotesk", sans-serif; letter-spacing: -.055em; }
.eri-platform-intro__lead, .eri-platform-intro__support { max-width: 64ch; margin-inline: auto; color: var(--eri-muted); }
.eri-platform-intro__lead { margin-top: 1.55rem; color: var(--eri-text); font-size: clamp(1.02rem, 1.1vw, 1.18rem); }
.eri-platform-intro__support { margin-top: .8rem; }
.eri-platform-intro .eri-hero__actions { justify-content: center; margin-top: 2.1rem; }
.eri-platform-intro__github { display: inline-flex; min-height: 2.75rem; align-items: center; margin-top: 1rem; color: var(--eri-cyan); font: 600 .72rem/1.2 "JetBrains Mono", monospace; letter-spacing: .045em; }
.eri-platform-intro__github:hover { color: var(--eri-accent); }
.eri-platform-intro__github:focus-visible { outline: 2px solid var(--eri-cyan); outline-offset: 4px; }
@media (max-width: 768px) { .eri-platform-intro { padding-block: 3.25rem 4.5rem; } .eri-platform-intro__content { width: min(calc(100% - 2rem), 57rem); } }
@media (max-width: 480px) { .eri-platform-intro { padding-block: 2.7rem 3.8rem; } .eri-platform-intro h1 { font-size: clamp(2.05rem, 10.5vw, 3.2rem); } .eri-platform-intro .eri-hero__actions { display: grid; width: 100%; } }

/* Audiowide experiment — deliberately scoped to the Engineering Research Interface only. */
body.eri-page,
.eri-page h1,
.eri-page h2,
.eri-page h3,
.eri-page p,
.eri-page a,
.eri-page button,
.eri-page span,
.eri-page figcaption,
.eri-page pre,
.eri-page code {
  font-family: "Audiowide", sans-serif;
}

/* Centered scroll cue below the manipulator banner */
.eri-scroll-cue { display: grid; place-items: center; min-height: 5.8rem; background: var(--eri-bg); }
.eri-scroll-cue a { display: grid; width: 4.25rem; min-height: 4.25rem; place-items: center; color: var(--eri-accent); transform: translateY(-.35rem); }
.eri-scroll-cue svg { width: 2.45rem; height: 3.65rem; overflow: visible; }
.eri-scroll-cue rect, .eri-scroll-cue path { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.eri-scroll-cue path:first-of-type { animation: eri-scroll-wheel 1.5s ease-in-out infinite; }
.eri-scroll-cue a:hover { color: var(--eri-cyan); }
.eri-scroll-cue a:focus-visible { outline: 2px solid var(--eri-cyan); outline-offset: 4px; }
.eri-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
@keyframes eri-scroll-wheel { 0%, 100% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(5px); opacity: .45; } }
@media (prefers-reduced-motion: reduce) { .eri-scroll-cue path:first-of-type { animation: none; } }



/* Larger navigation with additional space around the brand mark */
.eri-topbar__inner { min-height: 5.85rem; padding-top: .55rem; padding-bottom: .35rem; }
.eri-brand { width: clamp(9rem, 14vw, 11.25rem); }
.eri-nav ul { gap: clamp(.85rem, 1.9vw, 1.65rem); }
.eri-nav a { font-size: .77rem; }
.eri-section { scroll-margin-top: 6.2rem; }
@media (max-width: 768px) { .eri-topbar__inner { min-height: 5.55rem; padding-top: .45rem; padding-bottom: .3rem; } .eri-nav { inset: 5.55rem 0 auto 0; } .eri-nav a { min-height: 3rem; font-size: .82rem; } .eri-menu { width: 3rem; min-height: 3rem; } }

/* Touch devices have no hover state: keep the scroll cue visibly orange. */
@media (hover: none), (pointer: coarse) {
  .eri-scroll-cue a { color: var(--eri-accent); }
  .eri-scroll-cue a:active { color: var(--eri-cyan); }
}



/* Viewport-filling banner: image remains fully visible at every aspect ratio. */
.eri-manipulator-banner { position: relative; display: grid; min-height: calc(100svh - 5.85rem); place-items: center; }
.eri-manipulator-banner img { width: 100%; height: 100%; max-height: calc(100svh - 5.85rem); object-fit: contain; object-position: center; }
.eri-manipulator-banner .eri-scroll-cue { position: absolute; right: 0; bottom: clamp(.5rem, 1.8vh, 1.25rem); left: 0; z-index: 1; min-height: 0; background: transparent; pointer-events: none; }
.eri-manipulator-banner .eri-scroll-cue a { pointer-events: auto; transform: none; }
@media (max-width: 768px) { .eri-manipulator-banner { min-height: calc(100svh - 5.55rem); } .eri-manipulator-banner img { max-height: calc(100svh - 5.55rem); } }

/* Keep the first view limited to navigation and the banner only. */
.eri-manipulator-banner { height: calc(100svh - 5.85rem); min-height: 0; }
.eri-manipulator-banner img { height: 100%; }
.eri-manipulator-banner .eri-scroll-cue { bottom: clamp(1.25rem, 3vh, 2rem); }
@media (max-width: 768px) { .eri-manipulator-banner { height: calc(100svh - 5.55rem); min-height: 0; } .eri-manipulator-banner img { height: 100%; } }

/* Full-bleed banner experiment: fill the available viewport, allowing controlled edge cropping. */
.eri-manipulator-banner img { object-fit: cover; object-position: center; }

/* Uncropped responsive banner: preserve the entire source image at every viewport width. */
.eri-manipulator-banner { display: block; width: 100%; height: auto; min-height: 0; overflow: visible; background: #0B0F14; }
.eri-manipulator-banner img { display: block; width: 100%; max-width: 100%; height: auto; max-height: none; margin: 0; object-fit: contain; object-position: center; transform: none; }
.eri-scroll-cue { position: static; right: auto; bottom: auto; left: auto; z-index: auto; min-height: 5.8rem; background: var(--eri-bg); pointer-events: auto; }
.eri-scroll-cue a { pointer-events: auto; transform: translateY(-.35rem); }
@media (max-width: 768px) { .eri-manipulator-banner { height: auto; min-height: 0; } .eri-manipulator-banner img { height: auto; max-height: none; } }

/* Definitive full-viewport robotics hero. */
:root { --eri-header-height: 5.85rem; }
.eri-manipulator-banner {
  position: relative;
  display: grid;
  width: 100%;
  height: calc(100vh - var(--eri-header-height));
  min-height: 0;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--eri-border);
  background: var(--eri-bg);
}
@supports (height: 100svh) {
  .eri-manipulator-banner { height: calc(100svh - var(--eri-header-height)); }
}
.eri-manipulator-banner img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: none;
  margin: 0;
  object-fit: contain;
  object-position: center;
  transform: none;
}
.eri-scroll-cue {
  position: absolute;
  bottom: clamp(1rem, 3vh, 2rem);
  left: 50%;
  z-index: 2;
  display: grid;
  width: 4.25rem;
  min-height: 4.25rem;

}
/* Image-led manipulator banner: the media itself sets the Hero height. */
.eri-manipulator-banner {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--eri-border);
  background: var(--eri-bg);
}
.eri-manipulator-banner__media {
  position: relative;
  width: 100%;
}
.eri-manipulator-banner picture {
  display: block;
  width: 100%;
}
.eri-manipulator-banner img.eri-manipulator-banner__image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  max-height: none;
  margin: 0;
  object-fit: contain;
  object-position: center;
  transform: none;
}
.eri-manipulator-banner__media .eri-scroll-cue {
  position: absolute;
  bottom: clamp(42px, 3.75vw, 56px);
  left: 50%;
  z-index: 2;
  display: grid;
  pointer-events: auto;
  width: 3.75rem;
  min-height: 3.75rem;
  place-items: center;
  border-radius: 50%;
  background: rgba(11, 15, 20, .72);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .38);
  color: var(--eri-accent);
  transform: translateX(-50%);
}
.eri-manipulator-banner__media .eri-scroll-cue:hover { color: var(--eri-cyan); }
.eri-manipulator-banner__media .eri-scroll-cue:focus-visible { outline: 2px solid var(--eri-cyan); outline-offset: 4px; }
@media (max-width: 767px) {
  .eri-manipulator-banner__media .eri-scroll-cue { bottom: .125rem; width: 3.25rem; min-height: 3.25rem; }
  .eri-manipulator-banner__media .eri-scroll-cue svg { width: 1.8rem; height: 2.7rem; }
}
@media (min-width: 768px) and (max-width: 932px) and (orientation: landscape) {
  .eri-manipulator-banner__media .eri-scroll-cue { bottom: 1.5rem; }
}
.eri-manipulator-banner__picture { display: block; width: 100%; height: auto; max-width: 100%; }
@media (max-width: 932px) and (orientation: landscape) { .eri-manipulator-banner, .eri-manipulator-banner__media, .eri-manipulator-banner__picture { display: block; width: 100%; height: auto; min-height: 0; } .eri-manipulator-banner img.eri-manipulator-banner__image { display: block; width: 100%; height: auto; max-width: 100%; aspect-ratio: auto; object-fit: contain; } }
@media (max-width: 932px) and (orientation: landscape) { .eri-manipulator-banner__media { aspect-ratio: 1672 / 941; } }
@media (orientation: landscape) and (max-height: 600px) { .eri-manipulator-banner, .eri-manipulator-banner__media, .eri-manipulator-banner__picture { display: block; width: 100%; height: auto; min-height: 0; } .eri-manipulator-banner__media { aspect-ratio: 1672 / 941; } .eri-manipulator-banner img.eri-manipulator-banner__image { width: 100%; height: auto; max-width: 100%; aspect-ratio: auto; object-fit: contain; } }
@media (orientation: landscape) and (max-height: 600px) { .eri-manipulator-banner { position: relative; width: 100%; height: auto; min-height: 0; overflow: hidden; background: #0B0F14; } .eri-manipulator-banner__media { position: relative; width: 100%; height: auto; min-height: 0; aspect-ratio: auto; } .eri-manipulator-banner__picture { display: block; width: 100%; height: auto; } .eri-manipulator-banner img.eri-manipulator-banner__image { display: block; width: 100%; max-width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; object-position: center; } .eri-manipulator-banner__media .eri-scroll-cue { position: absolute; left: 50%; bottom: clamp(10px, 3vh, 18px); z-index: 2; transform: translateX(-50%); } }
/* Fluid, image-led Hero: the selected picture source determines its height. */
.eri-manipulator-banner { position: relative; display: block; width: 100%; height: auto; min-height: 0; overflow: hidden; border-bottom: 1px solid var(--eri-border); background: var(--eri-bg); }
.eri-manipulator-banner__media { position: relative; width: 100%; min-height: 0; overflow: hidden; background: var(--eri-bg); }
.eri-manipulator-banner__picture { display: block; width: 100%; max-width: 100%; }
.eri-manipulator-banner img.eri-manipulator-banner__image { display: block; width: 100%; max-width: 100%; height: auto; max-height: none; margin: 0; object-fit: contain; object-position: center; transform: none; }
.eri-manipulator-banner__media .eri-scroll-cue { position: absolute; left: 50%; bottom: clamp(12px, 2.5vw, 28px); z-index: 2; display: grid; width: clamp(3rem, 6vw, 3.75rem); min-height: clamp(3rem, 6vw, 3.75rem); place-items: center; pointer-events: auto; border-radius: 50%; background: rgba(11, 15, 20, .72); box-shadow: 0 4px 14px rgba(0, 0, 0, .38); color: var(--eri-accent); transform: translateX(-50%); }
.eri-manipulator-banner__media .eri-scroll-cue svg { width: clamp(1.8rem, 3.5vw, 2.45rem); height: clamp(2.7rem, 5vw, 3.65rem); overflow: visible; }
.eri-manipulator-banner__media .eri-scroll-cue rect, .eri-manipulator-banner__media .eri-scroll-cue path { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.eri-manipulator-banner__media .eri-scroll-cue:hover { color: var(--eri-cyan); }
.eri-manipulator-banner__media .eri-scroll-cue:focus-visible { outline: 2px solid var(--eri-cyan); outline-offset: 4px; }
.eri-platform-intro { padding-block: clamp(3rem, 7vw, 7rem); text-align: center; }
.eri-platform-intro__content { width: min(calc(100% - 2rem), 60rem); }
.eri-platform-intro h1 { font-size: clamp(2.25rem, 5vw, 5rem); }
.eri-platform-intro__lead, .eri-platform-intro__support { max-width: 70ch; font-size: clamp(1rem, 1.4vw, 1.2rem); }
.eri-platform-intro .eri-hero__actions { display: flex; flex-wrap: wrap; justify-content: center; width: auto; }
@media (orientation: portrait) and (max-width: 767px) {
  .eri-manipulator-banner__media .eri-scroll-cue {
    top: 50%;
    bottom: auto;
    transform: translate(-50%, -50%);
  }
}
@media (orientation: landscape) and (max-height: 600px) { .eri-manipulator-banner, .eri-manipulator-banner__media, .eri-manipulator-banner__picture { width: 100%; height: auto; min-height: 0; } .eri-manipulator-banner img.eri-manipulator-banner__image { width: 100%; max-width: 100%; height: auto; object-fit: contain; object-position: center; } .eri-manipulator-banner__media .eri-scroll-cue { bottom: clamp(10px, 3vh, 18px); } }
@media (prefers-reduced-motion: reduce) { .eri-manipulator-banner__media .eri-scroll-cue path:first-of-type { animation: none; } }
/* Interactive project carousel, adapted from the previous coverflow presentation. */
.eri-project-carousel { overflow: hidden; padding-block: clamp(3.5rem, 7vw, 6.5rem); border-block: 1px solid var(--eri-border); background: var(--eri-surface-alt); }
.eri-project-carousel__heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, .8fr); gap: clamp(1.5rem, 5vw, 5rem); align-items: end; }
.eri-project-carousel__heading h2 { max-width: 15ch; margin: .75rem 0 0; font: 600 clamp(2rem, 4vw, 3.5rem)/1.07 "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.eri-project-carousel__heading p { max-width: 38ch; margin: 0; color: var(--eri-muted); }
.eri-project-carousel__controls { display: flex; justify-content: end; gap: .7rem; margin-top: 1.5rem; }
.eri-project-carousel__button { display: grid; width: 3rem; min-height: 3rem; place-items: center; border: 1px solid var(--eri-border); border-radius: 50%; background: var(--eri-surface); color: var(--eri-text); cursor: pointer; transition: border-color .2s ease, color .2s ease, transform .2s ease; }
.eri-project-carousel__button:hover, .eri-project-carousel__button:focus-visible { border-color: var(--eri-accent); color: var(--eri-accent); transform: translateY(-2px); outline: none; }
.eri-project-carousel__stage { position: relative; min-height: clamp(22rem, 40vw, 28rem); margin-top: .5rem; perspective:1200px; outline: none; touch-action: pan-y; }
.eri-project-carousel__cards { position: relative; height: 100%; }
.eri-project-carousel__card { position: absolute; top: 0; left: 50%; display: flex; width: min(78vw, 25rem); min-height: clamp(20rem, 34vw, 24rem); flex-direction: column; padding: clamp(1.5rem, 3vw, 2.35rem); border: 1px solid var(--eri-border); background: linear-gradient(145deg, rgba(17, 24, 32, .98), rgba(11, 15, 20, .95)); box-shadow: 0 18px 45px rgba(0, 0, 0, .24); opacity: 0; pointer-events: none; transform: translateX(-50%) scale(.76); transition: transform .55s cubic-bezier(.2, .75, .2, 1), opacity .35s ease; }
.eri-project-carousel__card.is-active { z-index: 3; opacity: 1; pointer-events: auto; transform: translateX(-50%) rotateY(0) scale(1); }
.eri-project-carousel__card.is-left { z-index: 2; opacity: .62; pointer-events: auto; transform: translateX(calc(-50% - min(27vw, 15rem))) rotateY(48deg) scale(.84); }
.eri-project-carousel__card.is-right { z-index: 2; opacity: .62; pointer-events: auto; transform: translateX(calc(-50% + min(27vw, 15rem))) rotateY(-48deg) scale(.84); }
.eri-project-carousel__card h3 { max-width: 13ch; margin: 1rem 0 0; font: 600 clamp(1.45rem, 3vw, 2.25rem)/1.08 "Space Grotesk", sans-serif; }
.eri-project-carousel__card p { margin: 1rem 0 0; color: var(--eri-muted); }.eri-project-carousel__card .eri-text-link { margin-top: auto; padding-top: 1.5rem; color: var(--eri-cyan); }
@media (max-width: 640px) { .eri-project-carousel__heading { grid-template-columns: 1fr; }.eri-project-carousel__controls { justify-content: start; }.eri-project-carousel__stage { min-height: 22rem; }.eri-project-carousel__card { width: min(86vw, 23rem); }.eri-project-carousel__card.is-left { transform: translateX(calc(-50% - 42vw)) rotateY(42deg) scale(.8); }.eri-project-carousel__card.is-right { transform: translateX(calc(-50% + 42vw)) rotateY(-42deg) scale(.8); } }
@media (prefers-reduced-motion: reduce) { .eri-project-carousel__card, .eri-project-carousel__button { transition: none; } }

/* On touch-sized screens, cards use the browser's native horizontal scroll. */
@media (max-width: 640px), (orientation: landscape) and (max-height: 600px) and (max-width: 1023px) {
  .eri-project-carousel__controls { display: none; }
  .eri-project-carousel__stage { min-height: 0; margin-inline: calc(50% - 50vw); overflow-x: auto; overflow-y: hidden; padding-inline: clamp(1rem, 7vw, 2rem); perspective: none; scroll-padding-inline: clamp(1rem, 7vw, 2rem); scroll-snap-type: x mandatory; touch-action: pan-x pan-y; overscroll-behavior-inline: contain; }
  .eri-project-carousel__cards { display: flex; width: max-content; height: auto; gap: 1rem; padding-block: .5rem 1rem; }
  .eri-project-carousel__card, .eri-project-carousel__card.is-active, .eri-project-carousel__card.is-left, .eri-project-carousel__card.is-right { position: relative; top: auto; left: auto; flex: 0 0 min(82vw, 23rem); min-height: 20rem; opacity: 1; pointer-events: auto; transform: none; scroll-snap-align: center; }
}

/* Portrait project panels and a complete 3D turn for every newly active card. */
.eri-project-carousel__stage { min-height: clamp(29rem, 42vw, 34rem); }
.eri-project-carousel__card { width: min(26vw, 19rem); min-height: 0; aspect-ratio: 9 / 15; transform-style: preserve-3d; backface-visibility: hidden; }
.eri-project-carousel__card.is-left { transform: translateX(calc(-50% - min(24vw, 17rem))) rotateY(58deg) scale(.84); }
.eri-project-carousel__card.is-right { transform: translateX(calc(-50% + min(24vw, 17rem))) rotateY(-58deg) scale(.84); }
.eri-project-carousel__card.is-active { animation: eri-project-card-turn .7s cubic-bezier(.2, .75, .2, 1); }
@keyframes eri-project-card-turn { from { transform: translateX(-50%) rotateY(360deg) scale(.9); } to { transform: translateX(-50%) rotateY(0) scale(1); } }

@media (max-width: 640px), (orientation: landscape) and (max-height: 600px) and (max-width: 1023px) {
  .eri-project-carousel__stage { min-height: 0; }
  .eri-project-carousel__card, .eri-project-carousel__card.is-active, .eri-project-carousel__card.is-left, .eri-project-carousel__card.is-right { flex-basis: min(74vw, 19rem); min-height: 0; aspect-ratio: 9 / 15; }
  .eri-project-carousel__card.is-active { animation: eri-project-card-turn-mobile .65s cubic-bezier(.2, .75, .2, 1); }
}
@media (orientation: landscape) and (max-height: 600px) and (max-width: 1023px) { .eri-project-carousel__card, .eri-project-carousel__card.is-active, .eri-project-carousel__card.is-left, .eri-project-carousel__card.is-right { flex-basis: min(74vw, calc((100svh - 4rem) * .6), 19rem); } }

@keyframes eri-project-card-turn-mobile { from { transform: rotateY(360deg) scale(.96); } to { transform: rotateY(0) scale(1); } }
@media (prefers-reduced-motion: reduce) { .eri-project-carousel__card.is-active { animation: none; } }

/* Keep the carousel frame fixed on touch screens; only its cards are scrollable. */
@media (max-width: 640px), (orientation: landscape) and (max-height: 600px) and (max-width: 1023px) {
  .eri-project-carousel__stage { margin-inline: 0; overflow: visible; padding-inline: 0; perspective: none; scroll-padding-inline: 0; scroll-snap-type: none; touch-action: pan-y; }
  .eri-project-carousel__cards { box-sizing: border-box; width: 100%; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding-inline: clamp(1rem, 7vw, 2rem); scroll-padding-inline: clamp(1rem, 7vw, 2rem); scroll-snap-type: x mandatory; touch-action: pan-x pan-y; overscroll-behavior-inline: contain; scrollbar-width: none; }
  .eri-project-carousel__cards::-webkit-scrollbar { display: none; }
}

/* Mobile mirrors the desktop carousel: a centered active card changes on swipe. */
@media (max-width: 640px), (orientation: landscape) and (max-height: 600px) and (max-width: 1023px) {
  .eri-project-carousel__stage { position: relative; min-height: clamp(26rem, 135vw, 32rem); margin-inline: 0; overflow: hidden; padding-inline: 0; perspective: 1100px; touch-action: pan-y; }
  .eri-project-carousel__cards { position: relative; display: block; box-sizing: border-box; width: 100%; max-width: none; height: 100%; overflow: visible; padding: .5rem 0; scroll-snap-type: none; touch-action: pan-y; }
  .eri-project-carousel__card, .eri-project-carousel__card.is-active, .eri-project-carousel__card.is-left, .eri-project-carousel__card.is-right { position: absolute; top: .5rem; left: 50%; flex: none; width: min(78vw, 19rem); min-height: 0; aspect-ratio: 9 / 15; opacity: 0; pointer-events: none; transform: translateX(-50%) scale(.7); scroll-snap-align: none; }
  .eri-project-carousel__card.is-active { z-index: 3; opacity: 1; pointer-events: auto; transform: translateX(-50%) rotateY(0) scale(1); }
  .eri-project-carousel__card.is-left { z-index: 2; opacity: .55; pointer-events: auto; transform: translateX(calc(-50% - min(52vw, 14rem))) rotateY(58deg) scale(.76); }
  .eri-project-carousel__card.is-right { z-index: 2; opacity: .55; pointer-events: auto; transform: translateX(calc(-50% + min(52vw, 14rem))) rotateY(-58deg) scale(.76); }
}
@media (orientation: landscape) and (max-height: 600px) and (max-width: 1023px) {
  .eri-project-carousel__stage { min-height: min(25rem, calc(100svh - 2rem)); }
  .eri-project-carousel__card, .eri-project-carousel__card.is-active, .eri-project-carousel__card.is-left, .eri-project-carousel__card.is-right { width: min(55vw, calc((100svh - 4rem) * .6), 16rem); }
}

@keyframes eri-project-card-turn-mobile { from { transform: translateX(-50%) rotateY(360deg) scale(.96); } to { transform: translateX(-50%) rotateY(0) scale(1); } }

/* A single centered reading axis across the project carousel. */
.eri-project-carousel__heading, .eri-project-carousel__card { text-align: center; }
.eri-project-carousel__card { align-items: center; }
.eri-project-carousel__card .eri-text-link { width: fit-content; }

/* Centre the reading flow across the entire Home-page content area. */
.eri-page main { text-align: center; }
.eri-page main .eri-section h2, .eri-page main .eri-section__intro, .eri-page main .eri-prose { margin-inline: auto; }
.eri-page main .eri-about-portrait figcaption { justify-content: center; text-align: center; }
.eri-page main .eri-contact__links a { justify-content: center; text-align: center; }
.eri-page .eri-footer .eri-container { justify-content: center; text-align: center; }

/* P.00 follows one vertical reading order: title, carousel, then guidance. */
.eri-project-carousel__heading { display: block; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.eri-project-carousel__controls { display: none; }
.eri-project-carousel__instruction { max-width: 46ch; margin: clamp(1.5rem, 3vw, 2.5rem) auto 0; color: var(--eri-muted); }

/* Centre the P.00 title block above the carousel. */
.eri-project-carousel__heading > div { display: grid; justify-items: center; }
.eri-project-carousel__heading h2 { margin-inline: auto; text-align: center; }

/* Base black retained from the original site palette. */
:root { --eri-bg: #0d1114; }
.eri-topbar { background: rgba(13, 17, 20, .9); }
.eri-joints circle { stroke: var(--eri-bg); }
.eri-manipulator-banner { background: var(--eri-bg); }

/* Every page-level surface uses the original site's base black. */
:root { --eri-bg: #0d1114; --eri-surface: #0d1114; --eri-surface-alt: #0d1114; }
@media (max-width: 768px) { .eri-nav { background: var(--eri-bg); } }

/* Orange edge-lighting gives the carousel its interactive depth. */
.eri-project-carousel__card { border-color: rgba(255, 138, 0, .34); box-shadow: 0 0 0 1px rgba(255, 138, 0, .12), 0 18px 45px rgba(0, 0, 0, .3); }
.eri-project-carousel__card.is-active { border-color: rgba(255, 138, 0, .82); box-shadow: 0 0 0 1px rgba(255, 138, 0, .42), 0 0 2rem rgba(255, 138, 0, .24), 0 22px 50px rgba(0, 0, 0, .36); }
.eri-project-carousel__card.is-left, .eri-project-carousel__card.is-right { box-shadow: 0 0 0 1px rgba(255, 138, 0, .2), 0 14px 32px rgba(0, 0, 0, .26); }
.eri-project-carousel__card:hover { border-color: var(--eri-cyan); box-shadow: 0 0 0 1px rgba(105, 210, 231, .45), 0 0 2rem rgba(105, 210, 231, .2), 0 22px 50px rgba(0, 0, 0, .36); }

/* Audiowide is the sole typeface across the Home page, including SVG labels. */
body.eri-page, body.eri-page *, body.eri-page *::before, body.eri-page *::after { font-family: "Audiowide", sans-serif !important; }

/* Rounded card corners soften the carousel without changing its geometry. */
.eri-project-carousel__card { border-radius: clamp(.75rem, 1.5vw, 1.25rem); overflow: hidden; }

/* Reserve clear reading space below the tall portrait-mobile card. */
@media (orientation: portrait) and (max-width: 640px) {
  .eri-project-carousel__stage { min-height: clamp(30rem, 148vw, 37rem); }
}
.eri-project-carousel__instruction { position: relative; z-index: 4; margin-top: clamp(2.5rem, 8vw, 4rem); }

@media (min-width: 641px) { .eri-project-carousel__instruction { margin-top: clamp(1.5rem, 3vw, 2.5rem); } }

/* Non-blocking neon loading indicator. */
.eri-page-loader { position: fixed; inset: 0 0 auto; z-index: 100; height: 3px; opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.eri-is-loading .eri-page-loader { opacity: 1; }
.eri-page-loader__label { position: absolute; top: .75rem; right: clamp(1rem, 3vw, 2rem); color: var(--eri-accent); font-size: clamp(.52rem, 1vw, .65rem); letter-spacing: .12em; text-transform: uppercase; text-shadow: 0 0 .8rem rgba(255, 138, 0, .75); }
.eri-page-loader__track { display: block; width: 100%; height: 100%; background: rgba(255, 138, 0, .14); }
.eri-page-loader__bar { display: block; width: 12%; height: 100%; background: linear-gradient(90deg, #ff8a00, #ffd08a 70%, #ff8a00); box-shadow: 0 0 .45rem rgba(255, 138, 0, .95), 0 0 1.25rem rgba(255, 138, 0, .65); transition: width .18s ease; }
@media (prefers-reduced-motion: reduce) { .eri-page-loader, .eri-page-loader__bar { transition: none; } }

/* Full-screen boot sequence and centre-out page reveal. */
.eri-page-shell { opacity: 1; transform: scale(1); transform-origin: 50% 50%; }
.eri-is-loading .eri-page-shell { visibility: hidden; opacity: 0; transform: scale(.94); }
.eri-loader-complete .eri-page-shell { visibility: visible; opacity: 1; transform: scale(1); transition: opacity .38s ease, transform .72s cubic-bezier(.16, .82, .2, 1); }
.eri-page-loader { position: fixed; inset: 0; z-index: 100; display: grid; width: 100%; height: 100svh; place-items: center; background: var(--eri-bg); opacity: 0; visibility: hidden; transition: opacity .3s ease, visibility 0s linear .3s; }
.eri-is-loading .eri-page-loader { opacity: 1; visibility: visible; transition: none; }
.eri-page-loader__panel { display: grid; width: min(72vw, 23rem); grid-template-columns: 1fr auto; gap: .7rem 1rem; align-items: end; }
.eri-page-loader__label { position: static; color: var(--eri-text); font-size: clamp(.62rem, 1.2vw, .76rem); letter-spacing: .14em; text-shadow: none; }
.eri-page-loader__percent { color: var(--eri-accent); font-size: clamp(.75rem, 1.4vw, .95rem); text-shadow: 0 0 .9rem rgba(255, 138, 0, .72); }
.eri-page-loader__track { grid-column: 1 / -1; height: .28rem; border-radius: 999px; overflow: hidden; background: rgba(255, 138, 0, .16); }
.eri-page-loader__bar { width: 0; border-radius: inherit; background: linear-gradient(90deg, #ff8a00, #ffd08a 70%, #ff8a00); box-shadow: 0 0 .6rem rgba(255, 138, 0, .95), 0 0 1.45rem rgba(255, 138, 0, .65); transition: width .12s linear; }
.eri-loader-complete .eri-page-loader { opacity: 0; visibility: hidden; transition: opacity .3s ease, visibility 0s linear .3s; }
@media (prefers-reduced-motion: reduce) { .eri-page-shell, .eri-loader-complete .eri-page-shell, .eri-page-loader, .eri-page-loader__bar { transition: none; } }

/* Lift the Hero scroll cue slightly above the lower visual edge. */
.eri-manipulator-banner__media .eri-scroll-cue { bottom: clamp(2rem, 4vw, 3.5rem); }
/* About page: same engineering interface, with a dedicated profile signal. */
.eri-about-page .eri-about-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--eri-border); }
.eri-about-page .eri-about-hero::before { position: absolute; inset: 0; background: radial-gradient(circle at 78% 45%, rgba(105, 210, 231, .12), transparent 23rem), radial-gradient(circle at 58% 76%, rgba(255, 138, 0, .1), transparent 28rem); content: ""; pointer-events: none; }
.eri-about-page .eri-about-hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(18rem, .75fr); align-items: center; gap: clamp(3rem, 9vw, 9rem); min-height: min(46rem, calc(100svh - var(--eri-header-height))); padding-block: clamp(5rem, 10vw, 8rem); }
.eri-about-page .eri-about-hero__copy { max-width: 42rem; }
.eri-about-page .eri-about-hero h1 { max-width: 13ch; margin: 1.2rem 0 0; font-size: clamp(2.55rem, 5.5vw, 5.35rem); line-height: 1.02; }
.eri-about-page .eri-about-hero__lead { max-width: 61ch; margin: 1.5rem 0 0; color: var(--eri-muted); font-size: clamp(1rem, 1.5vw, 1.16rem); line-height: 1.8; }
.eri-about-signal { position: relative; display: grid; width: min(100%, 26rem); aspect-ratio: 1; justify-self: end; place-items: center; overflow: hidden; border: 1px solid rgba(105, 210, 231, .45); border-radius: 50%; background: radial-gradient(circle, rgba(105, 210, 231, .12), rgba(13, 17, 20, .94) 61%); box-shadow: inset 0 0 4rem rgba(105, 210, 231, .09), 0 0 4rem rgba(105, 210, 231, .08); }
.eri-about-signal::before { position: absolute; content: ""; pointer-events: none; }
.eri-about-signal::before { inset: 9%; border: 1px solid rgba(255, 138, 0, .58); border-radius: 50%; box-shadow: 0 0 0 2.6rem rgba(105, 210, 231, .04), 0 0 0 5.2rem rgba(255, 138, 0, .025); }
.eri-about-signal::after { right: 13%; bottom: 17%; width: .62rem; height: .62rem; border: 1px solid var(--eri-cyan); border-radius: 50%; background: rgba(13, 17, 20, .42); box-shadow: 0 0 .85rem rgba(105, 210, 231, .72); transform: none; }
.eri-about-signal__initials { position: relative; z-index: 1; color: var(--eri-text); font-size: clamp(4rem, 11vw, 7rem); letter-spacing: -.08em; text-shadow: 0 0 1.5rem rgba(105, 210, 231, .32); }
.eri-about-signal p { position: absolute; bottom: 14%; z-index: 1; width: 74%; margin: 0; color: var(--eri-accent); font: 700 clamp(.48rem, 1.1vw, .62rem)/1.4 "Audiowide", sans-serif; letter-spacing: .09em; text-align: center; }
.eri-about-profile, .eri-about-toolkit { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(2.5rem, 9vw, 9rem); }
.eri-about-profile h2, .eri-about-toolkit h2 { max-width: 14ch; }
.eri-about-page .eri-prose { line-height: 1.82; }
.eri-about-directions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.eri-about-toolkit__list { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.eri-about-toolkit__list li { display: grid; grid-template-columns: minmax(7rem, .4fr) minmax(0, 1fr); gap: 1rem; align-items: baseline; padding: 1.1rem 0; border-bottom: 1px solid var(--eri-border); }
.eri-about-toolkit__list span { color: var(--eri-cyan); font-size: clamp(.62rem, 1vw, .75rem); letter-spacing: .08em; text-transform: uppercase; }
.eri-about-toolkit__list strong { color: var(--eri-text); font-size: clamp(.78rem, 1.35vw, .98rem); font-weight: 400; line-height: 1.65; }
.eri-about-contact .eri-section__intro { margin-top: 1.25rem; }
@media (max-width: 900px) { .eri-about-page .eri-about-hero__grid { grid-template-columns: minmax(0, 1fr) minmax(16rem, .7fr); gap: 3rem; }.eri-about-directions { grid-template-columns: repeat(3, minmax(0, 1fr)); }.eri-about-signal { width: min(100%, 21rem); } }
@media (max-width: 700px) { .eri-about-page .eri-about-hero__grid, .eri-about-profile, .eri-about-toolkit { grid-template-columns: 1fr; }.eri-about-page .eri-about-hero__grid { min-height: 0; padding-block: clamp(3.5rem, 14vw, 5rem); }.eri-about-page .eri-about-hero__copy { text-align: center; }.eri-about-page .eri-about-hero h1, .eri-about-page .eri-about-hero__lead { margin-inline: auto; }.eri-about-page .eri-about-hero__actions { justify-content: center; }.eri-about-signal { justify-self: center; width: min(78vw, 21rem); }.eri-about-directions { grid-template-columns: 1fr; }.eri-about-profile h2, .eri-about-toolkit h2 { max-width: 18ch; margin-inline: auto; }.eri-about-toolkit__list li { grid-template-columns: 1fr; gap: .5rem; text-align: center; }.eri-about-page .eri-about-profile, .eri-about-page .eri-about-toolkit { text-align: center; } }
@media (prefers-reduced-motion: reduce) { .eri-about-signal, .eri-about-signal::before { transition: none; } }
/* Restored Technology Stack carousel for the About page. */
.eri-tech-stack { overflow: hidden; }
.eri-tech-carousel { position: relative; min-height: clamp(23rem, 35vw, 29rem); outline: none; perspective: 1200px; }
.eri-tech-carousel:focus-visible { outline: 2px solid var(--eri-cyan); outline-offset: 8px; }
.eri-tech-carousel__cards { position: relative; height: 100%; min-height: inherit; touch-action: pan-y; }
.eri-tech-card { position: absolute; top: 0; left: 50%; display: flex; width: min(26vw, 19rem); min-height: 0; aspect-ratio: 4 / 5; flex-direction: column; align-items: center; justify-content: center; gap: clamp(.8rem, 1.6vw, 1.2rem); padding: clamp(1.25rem, 2.5vw, 2rem); overflow: hidden; border: 1px solid rgba(255, 138, 0, .34); border-radius: clamp(.8rem, 1.6vw, 1.25rem); background: linear-gradient(145deg, rgba(22, 31, 40, .96), rgba(13, 17, 20, .98)); box-shadow: 0 0 0 1px rgba(255, 138, 0, .1), 0 18px 42px rgba(0, 0, 0, .36); color: var(--eri-text); opacity: 0; pointer-events: none; text-align: center; transform: translateX(-50%) scale(.7); transform-style: preserve-3d; transition: transform .55s cubic-bezier(.2, .75, .2, 1), opacity .35s ease, border-color .35s ease, box-shadow .35s ease; }
.eri-tech-card::before, .eri-tech-card::after { position: absolute; content: ""; pointer-events: none; }
.eri-tech-card::before { inset: 1rem; border: 1px solid rgba(105, 210, 231, .16); border-radius: inherit; }
.eri-tech-card::after { right: -22%; bottom: 12%; width: 70%; height: 1px; background: linear-gradient(90deg, transparent, var(--eri-cyan)); transform: rotate(-34deg); }
.eri-tech-card__number { position: absolute; top: 1.15rem; left: 1.15rem; color: var(--eri-cyan); font-size: .65rem; letter-spacing: .1em; }
.eri-tech-card strong { position: relative; color: var(--eri-accent); font-size: clamp(1.35rem, 2.5vw, 2.15rem); letter-spacing: .04em; text-shadow: 0 0 1rem rgba(255, 138, 0, .28); }
.eri-tech-card p { position: relative; max-width: 17ch; margin: 0; color: var(--eri-muted); font-size: clamp(.67rem, 1vw, .78rem); line-height: 1.65; }
.eri-tech-card a { position: relative; margin-top: .3rem; color: var(--eri-cyan); font-size: .62rem; letter-spacing: .06em; text-transform: uppercase; }
.eri-tech-card a:hover, .eri-tech-card a:focus-visible { color: var(--eri-accent); }
.eri-tech-card.is-active { z-index: 3; opacity: 1; pointer-events: auto; border-color: rgba(255, 138, 0, .86); box-shadow: 0 0 0 1px rgba(255, 138, 0, .42), 0 0 2.1rem rgba(255, 138, 0, .2), 0 22px 52px rgba(0, 0, 0, .42); transform: translateX(-50%) rotateY(0) scale(1); }
.eri-tech-card.is-left { z-index: 2; opacity: .56; pointer-events: auto; transform: translateX(calc(-50% - min(23vw, 15rem))) rotateY(58deg) scale(.82); }
.eri-tech-card.is-right { z-index: 2; opacity: .56; pointer-events: auto; transform: translateX(calc(-50% + min(23vw, 15rem))) rotateY(-58deg) scale(.82); }
.eri-tech-carousel__instruction { max-width: 56ch; margin: clamp(1.75rem, 3vw, 2.6rem) auto 0; color: var(--eri-muted); font-size: clamp(.68rem, 1vw, .8rem); line-height: 1.7; text-align: center; }
@media (max-width: 700px) { .eri-tech-carousel { min-height: clamp(25rem, 126vw, 31rem); }.eri-tech-card { width: min(78vw, 19rem); }.eri-tech-card.is-left { transform: translateX(calc(-50% - min(54vw, 14rem))) rotateY(58deg) scale(.76); }.eri-tech-card.is-right { transform: translateX(calc(-50% + min(54vw, 14rem))) rotateY(-58deg) scale(.76); } }
@media (prefers-reduced-motion: reduce) { .eri-tech-card { transition: none; } }
.eri-about-signal > img { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.82) contrast(1.06); }
/* Institutional identity in the shared Home and About footer. */
.eri-footer .eri-footer__inner { display: grid; grid-template-columns: minmax(10rem, 1fr) auto minmax(10rem, 1fr); align-items: center; gap: 1.5rem clamp(1rem, 3vw, 3rem); }
.eri-footer__meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .75rem 1.15rem; }
.eri-footer__logo { display: block; width: auto; height: auto; object-fit: contain; opacity: .86; }
.eri-footer__logo--pwr { justify-self: start; max-width: min(27vw, 14.5rem); max-height: 3.45rem; }
.eri-footer__logo--codeengineering { justify-self: end; width: clamp(9rem, 14vw, 11.25rem); max-width: 100%; max-height: none; filter: grayscale(1); opacity: .76; }
.eri-about-identity { display: grid; gap: .36rem; margin: 1.45rem 0 0; padding-left: .9rem; border-left: 2px solid var(--eri-accent); }
.eri-about-identity__name { color: var(--eri-text); font-family: "Audiowide", sans-serif; font-size: clamp(.88rem, 1.5vw, 1.08rem); line-height: 1.45; }
.eri-about-identity__role { color: var(--eri-cyan); font-size: clamp(.61rem, 1vw, .75rem); letter-spacing: .07em; line-height: 1.65; text-transform: uppercase; }
.eri-about-affiliation { margin: 1.2rem 0 0; color: var(--eri-cyan); font-size: clamp(.62rem, 1vw, .76rem); line-height: 1.75; letter-spacing: .045em; }
@media (max-width: 700px) { .eri-about-identity { justify-items: center; padding: 0 0 .8rem; border-bottom: 1px solid var(--eri-accent); border-left: 0; } }
@media (max-width: 700px) { .eri-footer .eri-footer__inner { grid-template-columns: 1fr; gap: 1.25rem; }.eri-footer__logo--pwr, .eri-footer__logo--codeengineering { justify-self: center; max-width: min(58vw, 15rem); }.eri-footer__logo--pwr { max-height: 3.2rem; }.eri-footer__logo--codeengineering { width: clamp(9rem, 48vw, 11.25rem); max-height: none; } }
.eri-footer__partner-link { display: block; line-height: 0; }.eri-footer__partner-link:focus-visible { outline: 2px solid var(--eri-cyan); outline-offset: .45rem; border-radius: .25rem; }
/* Contact channels use a restrained orange neon treatment. */
.eri-contact__links a { border-color: rgba(255, 138, 0, .42); box-shadow: inset 0 0 1.15rem rgba(255, 138, 0, .035), 0 0 .85rem rgba(255, 138, 0, .09); transition: border-color .22s ease, color .22s ease, background-color .22s ease, box-shadow .22s ease, transform .22s ease; }
.eri-contact__links a:hover, .eri-contact__links a:focus-visible { border-color: var(--eri-accent); background: rgba(255, 138, 0, .07); color: var(--eri-accent); box-shadow: inset 0 0 1.2rem rgba(255, 138, 0, .09), 0 0 1.15rem rgba(255, 138, 0, .25); transform: translateY(-2px); }
.eri-contact__links a:focus-visible { outline: 2px solid var(--eri-cyan); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) { .eri-contact__links a { transition: none; } }
/* Smaller linked logos for the robotics and industry community. */
.eri-footer__community { grid-column: 1 / -1; display: flex; align-items: center; justify-content: center; gap: clamp(1.4rem, 3vw, 2.75rem); padding-top: 1rem; border-top: 1px solid var(--eri-border); }
.eri-footer__community-link { display: grid; place-items: center; min-width: 0; }
.eri-footer__community-logo { display: block; width: auto; max-width: min(32vw, 9rem); height: 2.25rem; object-fit: contain; opacity: .8; transition: opacity .2s ease, filter .2s ease; }

.eri-footer__partner-link:hover .eri-footer__community-logo { opacity: 1; filter: drop-shadow(0 0 .65rem rgba(255, 138, 0, .35)); }
@media (max-width: 700px) { .eri-footer__community { grid-column: auto; padding-top: 1.1rem; }.eri-footer__community-logo { height: 2rem; } }

/* Shared placeholder for the primary navigation sections that are still being prepared. */
.eri-construction { display: grid; min-height: calc(100svh - var(--eri-header-height)); place-items: center; overflow: hidden; border-bottom: 1px solid var(--eri-border); background: radial-gradient(circle at 50% 35%, rgba(105, 210, 231, .11), transparent 29rem), radial-gradient(circle at 50% 100%, rgba(255, 138, 0, .09), transparent 27rem), var(--eri-bg); }
.eri-construction__hero { width: 100%; padding-block: clamp(5rem, 12vw, 10rem); }
.eri-construction__panel { display: grid; justify-items: center; max-width: 60rem; text-align: center; }
.eri-construction__signal { display: flex; align-items: center; justify-content: center; gap: .8rem; margin-top: clamp(1.35rem, 3vw, 2rem); color: var(--eri-cyan); font-size: clamp(.58rem, 1vw, .74rem); letter-spacing: .14em; }
.eri-construction__signal i { display: block; width: clamp(4.5rem, 12vw, 8rem); height: 1px; background: linear-gradient(90deg, transparent, var(--eri-accent), var(--eri-cyan), transparent); box-shadow: 0 0 .85rem rgba(255, 138, 0, .72); }
.eri-construction h1 { max-width: 14ch; margin: clamp(1.6rem, 3.5vw, 2.6rem) auto 0; font-size: clamp(2.7rem, 6vw, 6.2rem); line-height: 1.03; }
.eri-construction__lead { max-width: 61ch; margin: 1.5rem auto 0; color: var(--eri-muted); font-size: clamp(1rem, 1.6vw, 1.18rem); line-height: 1.8; }
.eri-construction__note { max-width: 58ch; margin: 1rem auto 0; color: var(--eri-cyan); font-size: clamp(.72rem, 1.1vw, .84rem); line-height: 1.7; }
.eri-construction .eri-hero__actions { justify-content: center; margin-top: clamp(2rem, 4vw, 3rem); }
.eri-construction__contact { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem 1.25rem; margin-top: 2rem; }
.eri-construction__contact a { color: var(--eri-accent); font-size: clamp(.74rem, 1.2vw, .9rem); text-decoration: none; text-shadow: 0 0 .75rem rgba(255, 138, 0, .38); }
.eri-construction__contact a:hover, .eri-construction__contact a:focus-visible { color: var(--eri-cyan); outline: none; text-shadow: 0 0 .8rem rgba(105, 210, 231, .48); }
@media (max-width: 700px) { .eri-construction__hero { padding-block: clamp(4rem, 16vw, 6rem); }.eri-construction__signal { gap: .55rem; }.eri-construction__signal i { width: clamp(3rem, 13vw, 5rem); } }
/* On phone compositions, keep the scroll cue flush with the lower edge of the selected banner image. */
@media (max-width: 767px), (orientation: landscape) and (max-height: 600px) {
  .eri-manipulator-banner__media .eri-scroll-cue { bottom: 0; }
}
/* Improve readability of shared footer metadata without competing with page content. */
.eri-footer { font: 600 clamp(.72rem, .9vw, .82rem)/1.6 "JetBrains Mono", monospace; }
/* Publications page */
.eri-publications-hero { position: relative; overflow: hidden; padding-block: clamp(5rem, 10vw, 8rem); border-bottom: 1px solid var(--eri-border); background: radial-gradient(circle at 78% 35%, rgba(105, 210, 231, .13), transparent 23rem), radial-gradient(circle at 15% 85%, rgba(255, 138, 0, .1), transparent 26rem), var(--eri-bg); }
.eri-publications-hero::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(105, 210, 231, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(105, 210, 231, .055) 1px, transparent 1px); background-size: 3.25rem 3.25rem; content: ""; mask-image: linear-gradient(to bottom, #000, transparent 90%); pointer-events: none; }
.eri-publications-hero .eri-container { position: relative; }
.eri-publications-hero h1 { max-width: none; margin: 1rem 0 0; font: 600 clamp(3rem, 7vw, 6rem)/.98 "Space Grotesk", sans-serif; letter-spacing: -.055em; }
.eri-publications-hero p:last-child { max-width: 55ch; margin: 1.35rem 0 0; color: var(--eri-muted); font-size: clamp(1rem, 1.4vw, 1.2rem); }
.eri-publications-list { padding-block: clamp(4rem, 8vw, 7rem); }
.eri-publications-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: clamp(1.6rem, 4vw, 3rem); }
.eri-publications-heading h2 { margin: .7rem 0 0; font: 600 clamp(1.9rem, 3.5vw, 3.4rem)/1.08 "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.eri-publications-count { color: var(--eri-cyan); font: 600 .7rem/1.4 "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.eri-publication-record { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: clamp(1.25rem, 3vw, 3rem); padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--eri-border); background: linear-gradient(135deg, rgba(17, 24, 32, .9), rgba(15, 21, 28, .7)); box-shadow: var(--eri-shadow); }
.eri-publication-record:hover { border-color: rgba(105, 210, 231, .5); }
.eri-publication-record__number { color: var(--eri-accent); font: 600 clamp(1.25rem, 2.5vw, 2rem)/1 "JetBrains Mono", monospace; }
.eri-publication-record h3 { max-width: 29ch; margin: .75rem 0 0; font: 600 clamp(1.3rem, 2.3vw, 2rem)/1.18 "Space Grotesk", sans-serif; letter-spacing: -.03em; }
.eri-publication-record__authors, .eri-publication-record__citation { margin: 1.1rem 0 0; color: var(--eri-muted); }
.eri-publication-record__authors strong { color: var(--eri-text); font-weight: 600; }
.eri-publication-record__citation em { color: var(--eri-text); }
.eri-publication-record__topics { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.4rem; }
.eri-publication-record__topics span { padding: .32rem .5rem; border: 1px solid rgba(105, 210, 231, .28); color: var(--eri-cyan); font: 600 .62rem/1.3 "JetBrains Mono", monospace; letter-spacing: .035em; text-transform: uppercase; }
.eri-publication-record__links { display: flex; min-width: 13.5rem; flex-direction: column; align-items: end; gap: 1rem; }
.eri-publication-record__doi { color: var(--eri-muted) !important; font: 600 .65rem/1.45 "JetBrains Mono", monospace; text-align: right; word-break: break-all; }
.eri-publication-record__doi:hover { color: var(--eri-cyan) !important; }
@media (max-width: 760px) { .eri-publication-record { grid-template-columns: auto minmax(0, 1fr); }.eri-publication-record__links { grid-column: 1 / -1; min-width: 0; align-items: start; }.eri-publication-record__doi { text-align: left; } }
@media (max-width: 480px) { .eri-publications-heading { align-items: start; flex-direction: column; }.eri-publication-record { grid-template-columns: 1fr; }.eri-publication-record__number { display: none; } }

/* Keep the publication page centred and easy to scan at every viewport size. */
.eri-publications-hero .eri-container, .eri-publications-heading, .eri-publication-record, .eri-publication-record__body { text-align: center; }
.eri-publications-hero p:last-child { margin-inline: auto; }
.eri-publications-heading { flex-direction: column; align-items: center; justify-content: center; }
.eri-publication-record { grid-template-columns: minmax(0, 1fr); justify-items: center; }
.eri-publication-record__topics { justify-content: center; }
.eri-publication-record__links { min-width: 0; align-items: center; }
.eri-publication-record__doi { text-align: center; }

/* Contact page */
.eri-contact-hero { position: relative; overflow: hidden; padding-block: clamp(5rem, 10vw, 8rem); border-bottom: 1px solid var(--eri-border); background: radial-gradient(circle at 77% 32%, rgba(255, 138, 0, .14), transparent 21rem), radial-gradient(circle at 22% 88%, rgba(105, 210, 231, .12), transparent 26rem), var(--eri-bg); }
.eri-contact-hero::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(105, 210, 231, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(105, 210, 231, .055) 1px, transparent 1px); background-size: 3.25rem 3.25rem; content: ""; mask-image: linear-gradient(to bottom, #000, transparent 90%); pointer-events: none; }
.eri-contact-hero .eri-container { position: relative; }.eri-contact-hero h1 { margin: 1rem 0 0; font: 600 clamp(3rem, 7vw, 6rem)/.98 "Space Grotesk", sans-serif; letter-spacing: -.055em; }.eri-contact-hero p:last-child { max-width: 56ch; margin: 1.35rem 0 0; color: var(--eri-muted); font-size: clamp(1rem, 1.4vw, 1.2rem); }
.eri-contact-section { padding-block: clamp(4rem, 8vw, 7rem); }.eri-contact-layout { display: grid; grid-template-columns: minmax(17rem, .78fr) minmax(0, 1.22fr); gap: clamp(1rem, 3vw, 2rem); align-items: stretch; }
.eri-contact-card, .eri-contact-map { border: 1px solid var(--eri-border); background: linear-gradient(135deg, rgba(17, 24, 32, .92), rgba(15, 21, 28, .72)); box-shadow: var(--eri-shadow); }.eri-contact-card { padding: clamp(1.5rem, 4vw, 3rem); }.eri-contact-card h2, .eri-contact-map h2 { margin: .75rem 0 0; font: 600 clamp(1.4rem, 2.5vw, 2rem)/1.18 "Space Grotesk", sans-serif; letter-spacing: -.03em; }
.eri-contact-details { display: grid; gap: 1.1rem; margin: 2rem 0 0; }.eri-contact-details div { padding-bottom: 1.1rem; border-bottom: 1px solid var(--eri-border); }.eri-contact-details dt { color: var(--eri-cyan); font: 600 .65rem/1.4 "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }.eri-contact-details dd { margin: .35rem 0 0; color: var(--eri-text); font-size: .92rem; }.eri-contact-details dd a { color: var(--eri-text); }.eri-contact-details dd a:hover { color: var(--eri-accent); }
.eri-contact-social { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }.eri-contact-social a { padding: .45rem .55rem; border: 1px solid rgba(105, 210, 231, .28); color: var(--eri-cyan); font: 600 .62rem/1.25 "JetBrains Mono", monospace; letter-spacing: .035em; text-transform: uppercase; }.eri-contact-social a:hover { border-color: var(--eri-accent); color: var(--eri-accent); }
.eri-contact-map { display: grid; grid-template-rows: auto minmax(20rem, 1fr) auto; overflow: hidden; }.eri-contact-map__heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; padding: clamp(1.5rem, 3vw, 2.25rem); }.eri-contact-map__heading span { color: var(--eri-accent); font: 600 .65rem/1.4 "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }.eri-contact-map iframe { display: block; width: 100%; min-height: 22rem; border: 0; filter: grayscale(.25) contrast(1.08) saturate(.82); }.eri-contact-map__footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem clamp(1.5rem, 3vw, 2.25rem); border-top: 1px solid var(--eri-border); }.eri-contact-map__footer p { margin: 0; color: var(--eri-muted); font-size: .78rem; }.eri-contact-map__footer .eri-button { flex: 0 0 auto; }
@media (max-width: 820px) { .eri-contact-layout { grid-template-columns: 1fr; }.eri-contact-map { min-height: 34rem; } }.eri-contact-map__footer { flex-wrap: wrap; } @media (max-width: 520px) { .eri-contact-hero { padding-block: 4.5rem; }.eri-contact-map__heading, .eri-contact-map__footer { align-items: start; flex-direction: column; }.eri-contact-map iframe { min-height: 19rem; } }
/* Centred contact-page composition. */
.eri-contact-hero .eri-container, .eri-contact-card, .eri-contact-map__heading, .eri-contact-map__footer { text-align: center; }
.eri-contact-hero p:last-child { margin-inline: auto; }
.eri-contact-details div, .eri-contact-details dt, .eri-contact-details dd { text-align: center; }
.eri-contact-social { justify-content: center; }
.eri-contact-map__heading { align-items: center; flex-direction: column; justify-content: center; }
.eri-contact-map__footer { justify-content: center; }
/* Orange navigation accent for the campus-map action. */
.eri-contact-map__footer .eri-button--secondary { border-color: var(--eri-accent); color: var(--eri-accent); }
.eri-contact-map__footer .eri-button--secondary:hover { border-color: var(--eri-accent); background: var(--eri-accent); color: #161a1e; }
/* Align the About portrait with the left-hand heading. */
.eri-about-page .eri-about-signal { align-self: start; margin-top: 2.35rem; }
@media (max-width: 700px) { .eri-about-page .eri-about-signal { margin-top: 0; } }
.eri-about-page .eri-hero__actions { justify-content: center; }

/* Research log */
.eri-research-hero, .eri-research-entry__hero { position: relative; overflow: hidden; padding-block: clamp(4.8rem, 10vw, 8rem); border-bottom: 1px solid var(--eri-border); background: radial-gradient(circle at 78% 32%, rgba(105, 210, 231, .13), transparent 23rem), radial-gradient(circle at 12% 92%, rgba(255, 138, 0, .1), transparent 27rem), var(--eri-bg); }
.eri-research-hero::before, .eri-research-entry__hero::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(105, 210, 231, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(105, 210, 231, .055) 1px, transparent 1px); background-size: 3.25rem 3.25rem; content: ""; mask-image: linear-gradient(to bottom, #000, transparent 90%); pointer-events: none; }
.eri-research-hero .eri-container, .eri-research-entry__hero .eri-container { position: relative; }
.eri-research-hero h1, .eri-research-entry h1 { max-width: 17ch; margin: 1rem 0 0; font: 600 clamp(3rem, 7vw, 6rem)/.98 "Space Grotesk", sans-serif; letter-spacing: -.055em; }
.eri-research-hero > .eri-container > p:last-of-type { max-width: 62ch; margin: 1.35rem 0 0; color: var(--eri-muted); font-size: clamp(1rem, 1.4vw, 1.2rem); }
.eri-research-legend { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 2rem; }.eri-research-legend a { display: inline-flex; min-height: 2.5rem; align-items: center; padding: .5rem .75rem; border: 1px solid var(--eri-border); color: var(--eri-cyan); font: 600 .63rem/1.3 "JetBrains Mono", monospace; letter-spacing: .05em; text-transform: uppercase; }.eri-research-legend a:hover { border-color: var(--eri-accent); color: var(--eri-accent); }
.eri-research-disclosure { border-bottom: 1px solid var(--eri-border); background: rgba(105, 210, 231, .04); }.eri-research-disclosure p { max-width: 75ch; margin: 0; padding-block: 1rem; color: var(--eri-muted); font-size: .88rem; }.eri-research-disclosure strong { color: var(--eri-cyan); }
.eri-research-section { padding-block: clamp(4rem, 8vw, 7rem); scroll-margin-top: 5.5rem; }.eri-research-section--surface { border-block: 1px solid var(--eri-border); background: var(--eri-surface-alt); }
.eri-research-section__heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .8fr); align-items: end; gap: 2rem; margin-bottom: clamp(1.7rem, 4vw, 3rem); }.eri-research-section__heading h2, .eri-research-sources h2, .eri-research-links h2 { margin: .65rem 0 0; font: 600 clamp(1.85rem, 3.4vw, 3.35rem)/1.08 "Space Grotesk", sans-serif; letter-spacing: -.045em; }.eri-research-section__heading > p { max-width: 55ch; margin: 0; color: var(--eri-muted); }
.eri-research-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }.eri-research-card { display: flex; min-height: 100%; flex-direction: column; padding: clamp(1.25rem, 2.5vw, 1.75rem); border: 1px solid var(--eri-border); background: rgba(17, 24, 32, .58); }.eri-research-card:hover { border-color: rgba(105, 210, 231, .48); }
.eri-research-card__top, .eri-research-card__footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; }.eri-research-status, .eri-research-card__footer span { color: var(--eri-cyan); font: 600 .62rem/1.4 "JetBrains Mono", monospace; letter-spacing: .04em; text-transform: uppercase; }.eri-research-card h3 { margin: 1.5rem 0 .8rem; font: 600 clamp(1.2rem, 2vw, 1.65rem)/1.15 "Space Grotesk", sans-serif; letter-spacing: -.025em; }.eri-research-card h3 a:hover { color: var(--eri-accent); }
.eri-research-card > p { margin: 0; color: var(--eri-muted); font-size: .92rem; }.eri-research-card__warning { margin-top: 1.25rem !important; color: var(--eri-accent) !important; font: 600 .68rem/1.55 "JetBrains Mono", monospace; }.eri-research-card__footer { margin-top: auto; padding-top: 1.5rem; }
.eri-tag-list { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.15rem 0 0; padding: 0; list-style: none; }.eri-tag-list li { padding: .33rem .48rem; border: 1px solid rgba(105, 210, 231, .25); color: var(--eri-muted); font: 600 .59rem/1.2 "JetBrains Mono", monospace; letter-spacing: .025em; }.eri-research-empty { padding: 1.25rem; border: 1px dashed rgba(105, 210, 231, .32); color: var(--eri-muted); }.eri-research-empty p { margin: 0; }
.eri-entry-back { margin: 0 0 1.85rem; }.eri-entry-back a { color: var(--eri-cyan); font: 600 .68rem/1.3 "JetBrains Mono", monospace; letter-spacing: .04em; text-transform: uppercase; }.eri-entry-back a:hover { color: var(--eri-accent); }.eri-research-entry h1 { max-width: 18ch; font-size: clamp(2.4rem, 5.5vw, 5.2rem); }.eri-research-entry__summary { max-width: 65ch; margin: 1.45rem 0 0; color: var(--eri-muted); font-size: clamp(1rem, 1.4vw, 1.2rem); }
.eri-research-warning { max-width: 73ch; margin-top: 1.75rem; padding: 1rem 1.1rem; border: 1px solid rgba(255, 138, 0, .5); background: rgba(255, 138, 0, .08); color: #ffd19c; font-size: .9rem; }.eri-research-warning strong { color: var(--eri-accent); }
.eri-research-entry__layout { display: grid; grid-template-columns: minmax(13rem, .38fr) minmax(0, 1fr); align-items: start; gap: clamp(2.5rem, 8vw, 7rem); padding-block: clamp(3rem, 7vw, 6rem); }.eri-research-entry__metadata { position: sticky; top: 6.7rem; padding: 1.1rem; border: 1px solid var(--eri-border); background: var(--eri-surface-alt); }.eri-research-entry__metadata dl { display: grid; gap: 1rem; margin: 0; }.eri-research-entry__metadata dl div { display: grid; gap: .22rem; }.eri-research-entry__metadata dt { color: var(--eri-cyan); font: 600 .59rem/1.3 "JetBrains Mono", monospace; letter-spacing: .07em; text-transform: uppercase; }.eri-research-entry__metadata dd { margin: 0; color: var(--eri-text); font-size: .86rem; }
.eri-research-prose { max-width: 72ch; }.eri-research-prose > :first-child { margin-top: 0; }.eri-research-prose h3 { margin: 2.6rem 0 .8rem; color: var(--eri-text); font: 600 clamp(1.3rem, 2.5vw, 1.9rem)/1.15 "Space Grotesk", sans-serif; letter-spacing: -.03em; }.eri-research-prose h4 { margin: 2rem 0 .65rem; color: var(--eri-text); font: 600 1.08rem/1.3 "Space Grotesk", sans-serif; }.eri-research-prose p, .eri-research-prose li { color: var(--eri-muted); }.eri-research-prose p { margin: 0 0 1.1rem; }.eri-research-prose ul, .eri-research-prose ol { margin: 0 0 1.25rem; padding-left: 1.25rem; }.eri-research-prose li + li { margin-top: .45rem; }.eri-research-prose strong { color: var(--eri-text); }.eri-research-prose a, .eri-research-sources a { color: var(--eri-accent); text-decoration: underline; text-underline-offset: .17em; }.eri-research-prose code { padding: .12rem .28rem; background: rgba(105, 210, 231, .1); color: var(--eri-cyan); font: .86em "JetBrains Mono", monospace; }.eri-research-prose pre { overflow-x: auto; padding: 1rem; background: var(--eri-surface-alt); }
.eri-research-sources, .eri-research-links { margin-top: clamp(3rem, 6vw, 5rem); padding-top: 1.5rem; border-top: 1px solid var(--eri-border); }.eri-research-sources p:last-child, .eri-research-links p:last-child { max-width: 65ch; color: var(--eri-muted); }.eri-research-sources ol { padding-left: 1.25rem; color: var(--eri-muted); }.eri-research-sources li + li { margin-top: .65rem; }.eri-research-links > div { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.2rem; }
@media (max-width: 760px) { .eri-research-section__heading, .eri-research-entry__layout { grid-template-columns: 1fr; }.eri-research-entry__metadata { position: static; }.eri-research-card-grid { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .eri-research-hero, .eri-research-entry__hero { padding-block: 4rem; }.eri-research-legend { display: grid; }.eri-research-legend a { justify-content: center; }.eri-research-card__footer { align-items: start; flex-direction: column; } }

/* Centered Research presentation */
.eri-research-page .eri-research-hero .eri-container, .eri-research-page .eri-research-entry__hero .eri-container, .eri-research-page .eri-research-section__heading, .eri-research-page .eri-research-disclosure .eri-container, .eri-research-page .eri-research-sources, .eri-research-page .eri-research-links { text-align: center; }
.eri-research-page .eri-research-legend, .eri-research-page .eri-research-card__top, .eri-research-page .eri-research-card__footer, .eri-research-page .eri-tag-list, .eri-research-page .eri-research-links > div { justify-content: center; }
.eri-research-page .eri-research-section__heading > p, .eri-research-page .eri-research-entry__summary, .eri-research-page .eri-research-sources p:last-child, .eri-research-page .eri-research-links p:last-child { margin-inline: auto; }
.eri-research-page .eri-research-card, .eri-research-page .eri-research-prose { text-align: center; }
.eri-research-page .eri-research-entry__layout { justify-items: center; }
.eri-research-page .eri-research-entry__metadata { width: min(100%, 18rem); text-align: center; }
.eri-research-page .eri-research-entry__metadata dl div { justify-items: center; }
@media (max-width: 480px) { .eri-research-page .eri-research-card__footer { align-items: center; } }

/* Research blog feed */
.eri-blog-feed { padding-block: clamp(4rem, 8vw, 7rem); }.eri-blog-feed__heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 1.5rem; text-align: left; }.eri-blog-feed__heading h2 { margin: .65rem 0 0; font: 600 clamp(1.85rem, 3.4vw, 3.35rem)/1.08 "Space Grotesk", sans-serif; letter-spacing: -.045em; }.eri-blog-feed__heading > p { max-width: 30ch; margin: 0; color: var(--eri-muted); text-align: right; }
.eri-blog-filters { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: clamp(1.5rem, 4vw, 2.7rem); }.eri-blog-filters button { min-height: 2.45rem; padding: .5rem .72rem; border: 1px solid var(--eri-border); background: transparent; color: var(--eri-muted); cursor: pointer; font: 600 .62rem/1.25 "JetBrains Mono", monospace; letter-spacing: .045em; text-transform: uppercase; transition: color .2s ease, border-color .2s ease, background-color .2s ease; }.eri-blog-filters button:hover, .eri-blog-filters button:focus-visible, .eri-blog-filters button.is-active { border-color: var(--eri-accent); background: var(--eri-accent); color: #161a1e; outline: none; }
.eri-blog-posts { display: grid; gap: .9rem; }.eri-blog-post { display: grid; grid-template-columns: minmax(10rem, .36fr) minmax(0, 1fr) auto; align-items: center; gap: clamp(1rem, 3vw, 2.5rem); padding: clamp(1.25rem, 2.7vw, 1.8rem); border: 1px solid var(--eri-border); background: rgba(17, 24, 32, .56); text-align: left; transition: border-color .2s ease, background-color .2s ease; }.eri-blog-post:hover { border-color: rgba(105, 210, 231, .48); background: rgba(17, 24, 32, .9); }.eri-blog-post[hidden] { display: none; }
.eri-blog-post__meta { display: grid; gap: .4rem; color: var(--eri-cyan); font: 600 .61rem/1.45 "JetBrains Mono", monospace; letter-spacing: .045em; text-transform: uppercase; }.eri-blog-post__meta span:last-child { color: var(--eri-muted); }.eri-blog-post__body .eri-research-status { margin: 0; }.eri-blog-post h3 { margin: .65rem 0; font: 600 clamp(1.2rem, 2.2vw, 1.7rem)/1.12 "Space Grotesk", sans-serif; letter-spacing: -.03em; }.eri-blog-post h3 a:hover { color: var(--eri-accent); }.eri-blog-post__body > p:not(.eri-research-status):not(.eri-research-card__warning) { margin: 0; color: var(--eri-muted); font-size: .92rem; }.eri-blog-post .eri-tag-list { justify-content: flex-start; }.eri-blog-post__link { white-space: nowrap; }.eri-blog-no-results { margin: 1rem 0 0; color: var(--eri-muted); }
@media (max-width: 760px) { .eri-blog-feed__heading { align-items: start; flex-direction: column; gap: .7rem; }.eri-blog-feed__heading > p { text-align: left; }.eri-blog-post { grid-template-columns: 1fr; gap: 1rem; }.eri-blog-post__link { justify-self: start; }.eri-blog-post .eri-tag-list { justify-content: flex-start; } }
@media (max-width: 480px) { .eri-blog-filters { display: grid; grid-template-columns: 1fr; }.eri-blog-post__link { width: 100%; justify-content: center; padding: .8rem; border: 1px solid var(--eri-border); } }
/* Center the Research blog feed */
.eri-research-page .eri-blog-feed .eri-container, .eri-research-page .eri-blog-feed__heading, .eri-research-page .eri-blog-post { text-align: center; }
.eri-research-page .eri-blog-feed__heading { align-items: center; flex-direction: column; gap: .7rem; }
.eri-research-page .eri-blog-feed__heading > p { text-align: center; }
.eri-research-page .eri-blog-filters, .eri-research-page .eri-blog-post .eri-tag-list { justify-content: center; }
.eri-research-page .eri-blog-post__meta { justify-items: center; }
.eri-research-page .eri-blog-post__link { justify-self: center; }
@media (max-width: 760px) { .eri-research-page .eri-blog-post__link { justify-self: center; } }
/* Keep every Research block in one central column. */
.eri-research-page .eri-blog-post { grid-template-columns: minmax(0, 48rem); justify-content: center; justify-items: center; }
.eri-research-page .eri-blog-post__body { max-width: 48rem; }
.eri-research-page .eri-research-entry__layout { grid-template-columns: minmax(0, 48rem); justify-content: center; }
.eri-research-page .eri-research-entry__metadata { position: static; }
/* Align Research headers with the centered reading column. */
.eri-research-page .eri-research-hero .eri-container, .eri-research-page .eri-research-entry__hero .eri-container { width: min(calc(100% - 3rem), 48rem); }
.eri-research-page .eri-research-hero h1, .eri-research-page .eri-research-entry__hero h1, .eri-research-page .eri-research-hero > .eri-container > p:last-of-type { margin-inline: auto; }
/* Public research journal */
.eri-public-journal-note { padding-block: clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--eri-border); background: rgba(105, 210, 231, .035); }.eri-public-journal-note .eri-container { max-width: 48rem; text-align: center; }.eri-public-journal-note h2 { margin: .65rem 0 0; font: 600 clamp(1.55rem, 3vw, 2.4rem)/1.1 "Space Grotesk", sans-serif; letter-spacing: -.04em; }.eri-public-journal-note p:last-child { max-width: 70ch; margin: 1rem auto 0; color: var(--eri-muted); }
.eri-stage-badge { display: inline-flex; align-items: center; gap: .45rem; margin: 0; color: var(--eri-cyan); font: 600 .62rem/1.4 "JetBrains Mono", monospace; letter-spacing: .045em; text-transform: uppercase; }.eri-stage-badge span { color: var(--eri-muted); }.eri-stage-badge--hero { margin-top: 1.1rem; }
.eri-blog-post__footer { display: grid; justify-items: center; gap: .75rem; color: var(--eri-muted); font: 600 .61rem/1.4 "JetBrains Mono", monospace; letter-spacing: .035em; text-transform: uppercase; }.eri-blog-post__footer .eri-blog-post__link { color: var(--eri-accent); }
.eri-update-history { max-width: 48rem; margin: clamp(3rem, 6vw, 5rem) auto 0; padding-top: 1.5rem; border-top: 1px solid var(--eri-border); text-align: center; }.eri-update-history h2 { margin: .65rem 0 1.5rem; font: 600 clamp(1.7rem, 3vw, 2.6rem)/1.1 "Space Grotesk", sans-serif; letter-spacing: -.04em; }.eri-update-history ol { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }.eri-update-history li { display: grid; grid-template-columns: minmax(9rem, .35fr) minmax(0, 1fr); gap: 1rem; align-items: start; padding: 1rem 0; border-top: 1px solid var(--eri-border); text-align: left; }.eri-update-history li > div { display: grid; gap: .35rem; }.eri-update-history__date { margin: 0; color: var(--eri-accent); font: 600 .62rem/1.4 "JetBrains Mono", monospace; letter-spacing: .045em; text-transform: uppercase; }.eri-update-history li > p { margin: 0; color: var(--eri-muted); }
@media (max-width: 560px) { .eri-update-history li { grid-template-columns: 1fr; text-align: center; }.eri-update-history li > div { justify-items: center; } }
/* Technical grid for the About hero. */
.eri-about-page .eri-about-hero { isolation: isolate; }
.eri-about-page .eri-about-hero::after { position: absolute; inset: 0; z-index: 0; background-image: linear-gradient(rgba(105, 210, 231, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(105, 210, 231, .055) 1px, transparent 1px); background-size: 3.25rem 3.25rem; content: ""; mask-image: linear-gradient(to bottom, #000, transparent 88%); pointer-events: none; }
.eri-about-page .eri-about-hero__grid { z-index: 1; }
@media (max-width: 480px) { .eri-about-page .eri-about-hero::after { background-size: 2.5rem 2.5rem; } }
/* Projects uses one centred reading axis from the introduction through each card. */
.eri-projects-page .eri-section__heading { grid-template-columns: minmax(0, 1fr); justify-items: center; text-align: center; }
.eri-projects-page .eri-section__heading > div { display: grid; justify-items: center; }
.eri-projects-page .eri-project { align-items: center; text-align: center; }
.eri-projects-page .eri-project__footer { width: 100%; justify-content: center; text-align: center; }
.eri-projects-page .eri-project > div:first-child { display: grid; width: 100%; justify-items: center; text-align: center; }
.eri-projects-page .eri-project h3, .eri-projects-page .eri-project p { margin-inline: auto; }
.eri-projects-page .eri-project__footer { flex-direction: column; align-items: center; }