/*
Theme Name: SignIA Research Hub
Theme URI: https://signia.cl/
Author: Equipo SignIA
Description: Tema editorial para Society, Inclusion, Governance, Norms & AI.
Version: 1.3.0
Requires at least: 6.3
Requires PHP: 7.4
Text Domain: signia
*/

:root {
  --surface: #131313;
  --surface-lowest: #0e0e0e;
  --surface-low: #1b1c1c;
  --surface-mid: #1f2020;
  --surface-high: #2a2a2a;
  --ink: #e4e2e1;
  --muted: #b8aaa6;
  --line: #56423e;
  --primary: #ffb4a4;
  --primary-strong: #a8442f;
  --amber: #ffb872;
  --cream: #e4e2dd;
  --display: "Montserrat", "Arial Narrow", sans-serif;
  --body: "Source Serif 4", Georgia, serif;
  --max: 1280px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --space: clamp(4.5rem, 10vw, 9rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body.menu-open, body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { color: var(--primary); }
img { display: block; max-width: 100%; height: auto; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; }
::selection { background: var(--primary); color: #3e0500; }

.skip-link {
  position: fixed; top: 1rem; left: 1rem; z-index: 1000; transform: translateY(-200%);
  padding: .65rem 1rem; background: var(--cream); color: #131313; font-family: var(--display);
}
.skip-link:focus { transform: none; }
.wrap { width: min(calc(100% - 2 * var(--gutter)), var(--max)); margin-inline: auto; }
.eyebrow, .meta, .chip, .button, .nav-menu, .site-footer, .filter-button {
  font-family: var(--display); font-size: .75rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1.5rem; color: var(--primary); }
.eyebrow::before { content: ""; width: .45rem; height: .45rem; background: currentColor; border-radius: 50%; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(17rem, .52fr); gap: 2rem; align-items: end; margin-bottom: clamp(2.5rem, 6vw, 5rem); }
.section-heading h2, .page-title {
  max-width: 15ch; margin: 0; font-family: var(--display); font-size: clamp(2.25rem, 5vw, 4.8rem); font-weight: 600; line-height: .98; letter-spacing: -.045em;
}
.section-heading p { margin: 0; color: var(--muted); font-size: 1.15rem; }
.section { padding-block: var(--space); border-top: 1px solid var(--line); }
.button {
  display: inline-flex; min-height: 3.1rem; align-items: center; justify-content: center; gap: 1rem;
  padding: .75rem 1.15rem; border: 1px solid var(--primary); border-radius: .25rem; background: var(--primary);
  color: #3e0500; text-decoration: none; transition: background .2s, color .2s, transform .2s;
}
.button:hover { background: transparent; color: var(--primary); transform: translateY(-2px); }
.button--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.button--ghost:hover { border-color: var(--amber); color: var(--amber); }
.button__arrow { font-size: 1rem; transition: transform .2s; }
.button:hover .button__arrow { transform: translateX(.25rem); }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100; border-bottom: 1px solid transparent;
  background: rgba(19, 19, 19, .78); backdrop-filter: blur(18px); transition: border-color .2s, background .2s;
}
.site-header.is-scrolled { border-color: var(--line); background: rgba(14, 14, 14, .94); }
.header-inner { display: flex; min-height: 4.75rem; align-items: center; justify-content: space-between; gap: 2rem; }
.site-brand { display: inline-flex; align-items: center; gap: .85rem; color: var(--ink); font-family: var(--display); font-weight: 700; text-decoration: none; }
.brand-mark { position: relative; width: 2.1rem; height: 2.1rem; border: 1px solid var(--primary); border-radius: 50%; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; border-radius: 50%; background: var(--amber); }
.brand-mark::before { width: .45rem; height: .45rem; top: .35rem; left: .35rem; }
.brand-mark::after { width: .25rem; height: .25rem; right: .38rem; bottom: .42rem; }
.brand-word { font-size: 1.15rem; letter-spacing: -.02em; }
.brand-word em { color: var(--primary); font-style: normal; }
.nav-menu { display: flex; margin: 0; padding: 0; align-items: center; gap: clamp(1rem, 2.5vw, 2.25rem); list-style: none; }
.nav-menu a { position: relative; color: var(--ink); text-decoration: none; }
.nav-menu a::after { content: ""; position: absolute; right: 0; bottom: -.5rem; left: 0; height: 1px; background: var(--primary); transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.nav-menu a:hover::after, .nav-menu .current-menu-item a::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; width: 2.75rem; height: 2.75rem; padding: 0; border: 1px solid var(--line); background: transparent; color: var(--ink); }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { display: block; width: 1.15rem; height: 1px; margin: .28rem auto; background: currentColor; content: ""; transition: transform .2s, opacity .2s; }
.menu-open .menu-toggle span { opacity: 0; }
.menu-open .menu-toggle::before { transform: translateY(.34rem) rotate(45deg); }
.menu-open .menu-toggle::after { transform: translateY(-.34rem) rotate(-45deg); }

/* Hero */
.hero { position: relative; min-height: 100svh; overflow: hidden; padding: 9rem 0 3rem; background: var(--surface-lowest); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 1px; background: var(--line); }
.hero-grid { position: relative; z-index: 2; display: grid; min-height: calc(100svh - 12rem); grid-template-columns: 1.35fr .65fr; grid-template-rows: 1fr auto; gap: 2rem; align-items: center; }
.hero-copy { max-width: 60rem; }
.hero h1 { margin: 0; font-family: var(--display); font-size: clamp(3.25rem, 9.25vw, 8.8rem); font-weight: 700; line-height: .83; letter-spacing: -.075em; }
.hero h1 span { display: block; }
.hero h1 .accent { color: var(--primary); }
.hero-intro { display: grid; grid-template-columns: minmax(10rem, .45fr) 1fr; gap: 2rem; margin-top: clamp(2rem, 5vw, 4rem); padding-top: 1.5rem; border-top: 1px solid var(--line); }
.hero-intro p { max-width: 36rem; margin: 0; font-size: clamp(1.15rem, 1.7vw, 1.45rem); line-height: 1.45; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.hero-index { grid-column: 1 / -1; display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.hero-index p { margin: 0; color: var(--muted); }
.scroll-cue { display: flex; align-items: center; gap: .65rem; font-family: var(--display); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.scroll-cue::before { content: ""; width: 2.5rem; height: 1px; background: var(--primary); animation: pulse-line 1.8s ease-in-out infinite; transform-origin: left; }
@keyframes pulse-line { 50% { transform: scaleX(.4); opacity: .5; } }

.constellation { position: relative; aspect-ratio: 1; width: min(32vw, 28rem); justify-self: end; }
.orbit { position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.orbit--one { inset: 8%; animation: orbit 26s linear infinite; }
.orbit--two { inset: 23%; border-color: var(--primary-strong); animation: orbit 18s linear infinite reverse; }
.orbit--three { inset: 38%; border-color: var(--amber); }
.orbit::before { content: ""; position: absolute; width: .75rem; height: .75rem; top: 50%; left: -.38rem; border-radius: 50%; background: var(--primary); box-shadow: 0 0 1.5rem rgba(255,184,114,.45); }
.orbit--two::before { top: 8%; left: 68%; width: .5rem; height: .5rem; background: var(--amber); }
.orbit--three::before { top: auto; right: -.25rem; bottom: 22%; left: auto; width: .35rem; height: .35rem; }
.constellation-core { position: absolute; inset: 44%; display: grid; place-items: center; border-radius: 50%; background: var(--primary); color: #3e0500; font-family: var(--display); font-size: .7rem; font-weight: 700; }
.axis { position: absolute; top: 50%; left: 0; width: 100%; height: 1px; background: var(--line); transform: rotate(-32deg); }
.axis::after { content: "Human / AI"; position: absolute; right: 0; bottom: .6rem; color: var(--muted); font-family: var(--display); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }
@keyframes orbit { to { transform: rotate(360deg); } }

/* Mission and areas */
.mission-grid { display: grid; grid-template-columns: .55fr 1.45fr; gap: clamp(2rem, 7vw, 8rem); }
.mission-quote { margin: 0; font-size: clamp(1.7rem, 3vw, 3.15rem); line-height: 1.2; }
.mission-copy { max-width: 46rem; }
.mission-copy p:first-child { margin-top: 0; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 3rem; border-block: 1px solid var(--line); }
.stat { padding: 1.5rem; border-right: 1px solid var(--line); }
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: 0; }
.stat strong { display: block; color: var(--amber); font-family: var(--display); font-size: 2.3rem; line-height: 1; }
.stat span { color: var(--muted); font-size: .9rem; }
.areas { background: var(--surface-low); }
.area-list { counter-reset: area; border-top: 1px solid var(--line); }
.area-card { counter-increment: area; display: grid; grid-template-columns: 5rem .7fr 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); transition: padding .25s, background .25s; }
.area-card::before { content: "0" counter(area); color: var(--primary); font-family: var(--display); font-size: .75rem; letter-spacing: .08em; }
.area-card h3 { margin: 0; font-family: var(--display); font-size: clamp(1.45rem, 2.5vw, 2.25rem); font-weight: 500; line-height: 1.15; }
.area-card p { max-width: 38rem; margin: 0; color: var(--muted); }
.area-card:hover { padding-inline: 1.25rem; background: var(--surface-mid); }

/* Editorial cards */
.featured-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; }
.feature-card { position: relative; display: flex; min-height: 28rem; flex-direction: column; justify-content: space-between; overflow: hidden; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--line); background: var(--surface-low); text-decoration: none; }
.feature-card:first-child { grid-row: span 2; min-height: 42rem; background: var(--primary); color: #3e0500; }
.feature-card:not(:first-child) { min-height: 20.5rem; }
.feature-card .meta { display: flex; justify-content: space-between; gap: 1rem; }
.feature-card h3 { max-width: 16ch; margin: auto 0 1rem; font-family: var(--display); font-size: clamp(1.75rem, 3.5vw, 3.4rem); font-weight: 600; line-height: 1.03; letter-spacing: -.04em; }
.feature-card:not(:first-child) h3 { font-size: clamp(1.45rem, 2.5vw, 2.25rem); }
.feature-card p { max-width: 38rem; margin: 0; }
.feature-card__number { position: absolute; top: 50%; right: -1rem; color: rgba(62,5,0,.08); font-family: var(--display); font-size: 15rem; font-weight: 700; line-height: 1; transform: translateY(-50%); }
.feature-card:not(:first-child) .feature-card__number { color: rgba(255,180,164,.05); font-size: 9rem; }
.feature-card:hover { border-color: var(--amber); color: inherit; }
.feature-card:hover h3 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .15em; }
.empty-state { padding: 3rem; border: 1px solid var(--line); background: var(--surface-low); }

/* Talks */
.talks { background: var(--cream); color: #222; }
.talks .eyebrow { color: var(--primary-strong); }
.talks .section-heading p { color: #5c514e; }
.talk-list { border-top: 1px solid #92827e; }
.talk-card { display: grid; grid-template-columns: 8rem 1fr auto; gap: 2rem; align-items: center; padding: 1.75rem 0; border-bottom: 1px solid #92827e; text-decoration: none; }
.talk-card .meta { color: #6d5e59; }
.talk-card h3 { margin: 0; font-family: var(--display); font-size: clamp(1.25rem, 2vw, 1.8rem); font-weight: 600; }
.talk-card__event { max-width: 18rem; text-align: right; }
.talk-card:hover { color: #7f2b1c; }

/* Team */
.team-toolbar { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filter-button { padding: .7rem .9rem; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); cursor: pointer; }
.filter-button:hover, .filter-button.is-active { border-color: var(--primary); background: var(--primary); color: #3e0500; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.person-card { position: relative; min-width: 0; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s, transform .2s; }
.person-card[hidden] { display: none; }
.person-card:hover { z-index: 1; background: var(--surface-low); transform: translateY(-3px); }
.person-card__trigger { position: absolute; inset: 0; z-index: 5; width: 100%; padding: 0; border: 0; background: transparent; color: transparent; cursor: pointer; }
.person-card__trigger:focus-visible { outline: 2px solid var(--amber); outline-offset: -4px; }
.person-card__portrait { position: relative; display: grid; aspect-ratio: 4 / 5; margin-bottom: 1.5rem; place-items: center; overflow: hidden; background: var(--surface-high); color: var(--primary); font-family: var(--display); font-size: clamp(3rem, 6vw, 6rem); font-weight: 600; }
.person-card__portrait img { position: absolute; inset: 0; z-index: 3; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); transition: filter .25s, transform .4s; }
.person-card:hover .person-card__portrait img { filter: grayscale(.2); transform: scale(1.025); }
.person-card__portrait::before, .person-card__portrait::after { content: ""; position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.person-card__portrait::before { width: 70%; aspect-ratio: 1; }
.person-card__portrait::after { width: 110%; aspect-ratio: 1; }
.person-card__portrait span { position: relative; z-index: 2; }
.person-card h3 { margin: 0 0 .35rem; font-family: var(--display); font-size: 1.25rem; line-height: 1.2; }
.person-card .meta { min-height: 2.7rem; margin: 0 0 .9rem; color: var(--primary); }
.person-card p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.55; }
.person-card__link { display: inline-flex; margin-top: 1.25rem; align-items: center; gap: .4rem; color: var(--ink); font-family: var(--display); font-size: .75rem; font-weight: 600; text-transform: uppercase; }
.person-card__link span { color: var(--primary); transition: transform .2s; }
.person-card:hover .person-card__link span { transform: translate(.2rem, -.2rem); }

/* Member detail */
.member-dialog {
  width: min(68rem, calc(100% - 3rem)); height: min(88dvh, 52rem); max-width: none; max-height: none; margin: auto; padding: 0;
  overflow: hidden; border: 1px solid var(--line); border-radius: .25rem; background: var(--surface-lowest); color: var(--ink); box-shadow: 0 2rem 6rem rgba(0,0,0,.55);
}
.member-dialog::backdrop { background: rgba(5,5,5,.78); backdrop-filter: blur(8px); }
.member-dialog__close {
  position: absolute; top: 1rem; right: 1rem; z-index: 10; display: grid; width: 3rem; height: 3rem; padding: 0; place-items: center;
  border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer; transition: border-color .2s, color .2s, transform .2s;
}
.member-dialog__close span { font-family: var(--display); font-size: 1.7rem; font-weight: 400; line-height: 1; }
.member-dialog__close:hover { border-color: var(--primary); color: var(--primary); transform: rotate(8deg); }
[data-member-dialog-content] { height: 100%; overflow: auto; overscroll-behavior: contain; scrollbar-color: var(--primary-strong) var(--surface-lowest); }
.member-detail { display: grid; min-height: 100%; grid-template-columns: minmax(18rem, .72fr) 1.28fr; }
.member-detail__visual { position: sticky; top: 0; align-self: start; min-height: 100%; padding: 2rem; background: var(--surface-high); }
.member-detail__portrait { position: relative; display: grid; aspect-ratio: 4 / 5; max-height: 34rem; place-items: center; overflow: hidden; border: 1px solid var(--line); background: var(--surface-low); color: var(--primary); font-family: var(--display); font-size: clamp(4rem, 8vw, 7rem); font-weight: 600; }
.member-detail__portrait::before, .member-detail__portrait::after { content: ""; position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.member-detail__portrait::before { width: 70%; aspect-ratio: 1; }
.member-detail__portrait::after { width: 115%; aspect-ratio: 1; }
.member-detail__portrait span { position: relative; z-index: 1; }
.member-detail__portrait img { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; object-fit: cover; filter: grayscale(.4); }
.member-detail__visual > .meta { margin: 1.25rem 0 0; color: var(--primary); }
.member-detail__body { padding: clamp(2rem, 5vw, 4.5rem); }
.member-detail__body header { padding-right: 2.5rem; }
.member-detail__body h2 { max-width: 12ch; margin: 0; font-family: var(--display); font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 600; line-height: .95; letter-spacing: -.055em; }
.member-detail__affiliation { margin: 1.25rem 0 0; color: var(--primary); font-family: var(--display); font-size: .85rem; font-weight: 600; }
.member-detail__bio { margin-top: 2.5rem; color: var(--ink); font-size: 1.15rem; line-height: 1.65; }
.member-detail__bio p { margin-block: 0 1em; }
.member-detail__body section, .member-detail__contact { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.member-detail__body h3 { margin: 0 0 1rem; font-family: var(--display); font-size: .75rem; letter-spacing: .09em; text-transform: uppercase; }
.member-detail__body ul, .member-publications { margin: 0; padding: 0; list-style: none; }
.member-detail__body li { padding: .8rem 0; border-bottom: 1px solid rgba(86,66,62,.6); line-height: 1.45; }
.member-publications { counter-reset: publication; }
.member-publications li { counter-increment: publication; display: grid; grid-template-columns: 2.25rem 1fr; gap: .5rem; }
.member-publications li::before { content: "0" counter(publication); color: var(--primary); font-family: var(--display); font-size: .7rem; }
.member-links { display: flex; flex-wrap: wrap; gap: .6rem; }
.member-links a { padding: .7rem .85rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); font-family: var(--display); font-size: .72rem; font-weight: 600; text-decoration: none; }
.member-links a:hover { border-color: var(--primary); color: var(--primary); }

/* Blog */
.journal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.journal-card { display: flex; min-height: 28rem; flex-direction: column; padding: 1.5rem; border: 1px solid var(--line); background: var(--surface-low); text-decoration: none; }
.journal-card:nth-child(2) { margin-top: 3rem; }
.journal-card__visual { position: relative; height: 11rem; margin: -.5rem -.5rem 1.5rem; overflow: hidden; background: var(--surface-high); }
.journal-card__visual img { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; object-fit: cover; filter: saturate(.65); }
.journal-card__visual::before { content: ""; position: absolute; width: 12rem; height: 12rem; top: -4rem; right: -2rem; border: 1px solid var(--primary); border-radius: 50%; }
.journal-card__visual::after { content: ""; position: absolute; width: 7rem; height: 7rem; bottom: -2rem; left: 1rem; border: 1px solid var(--amber); border-radius: 50%; }
.journal-card h3 { margin: auto 0 1rem; font-family: var(--display); font-size: 1.55rem; line-height: 1.15; }
.journal-card p { margin: 0; color: var(--muted); }
.journal-card:hover { border-color: var(--primary); color: inherit; transform: translateY(-3px); }
.journal-card { transition: border-color .2s, transform .2s; }

/* Inner pages */
.page-hero { padding: 10rem 0 5rem; background: var(--surface-lowest); border-bottom: 1px solid var(--line); }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: 5rem; padding-block: 5rem; }
.prose { max-width: 48rem; }
.prose h2, .prose h3 { font-family: var(--display); line-height: 1.15; }
.prose h2 { margin-top: 2.5em; font-size: 2rem; }
.prose a { color: var(--primary); }
.prose blockquote { margin: 2rem 0; padding-left: 1.5rem; border-left: 2px solid var(--primary); font-size: 1.4rem; }
.entry-list { display: grid; gap: 1rem; padding-block: 4rem; }
.entry-row { display: grid; grid-template-columns: 9rem 1fr auto; gap: 2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.entry-row h2 { margin: 0; font-family: var(--display); font-size: 1.6rem; }
.pagination { margin-top: 2rem; font-family: var(--display); }

/* Footer */
.site-footer { padding: 4rem 0 2rem; border-top: 1px solid var(--line); background: var(--surface-lowest); }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: end; }
.footer-callout { max-width: 14ch; margin: 0; font-family: var(--display); font-size: clamp(2rem, 4vw, 4rem); font-weight: 600; line-height: 1; letter-spacing: -.04em; text-transform: none; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.footer-links ul { margin: .75rem 0 0; padding: 0; list-style: none; }
.footer-links li + li { margin-top: .5rem; }
.footer-bottom { display: flex; margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--line); justify-content: space-between; gap: 2rem; color: var(--muted); }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(2rem); }

@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr .55fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-grid { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .feature-card:first-child { min-height: 34rem; grid-row: auto; }
  .feature-card:not(:first-child) { min-height: 18rem; }
}

@media (max-width: 760px) {
  :root { --gutter: 1.25rem; --space: 5rem; }
  .menu-toggle { display: block; }
  .site-nav { position: fixed; inset: 4.75rem 0 0; display: none; padding: 2rem 1.25rem; background: var(--surface-lowest); }
  .menu-open .site-nav { display: block; }
  .nav-menu { align-items: stretch; flex-direction: column; gap: 0; }
  .nav-menu a { display: block; padding: 1.15rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .hero { padding-top: 8rem; }
  .hero-grid { min-height: calc(100svh - 10rem); grid-template-columns: 1fr; grid-template-rows: auto auto auto; align-items: start; }
  .hero h1 { font-size: clamp(3.4rem, 18vw, 6rem); }
  .hero-intro { grid-template-columns: 1fr; gap: .75rem; }
  .constellation { position: absolute; top: 7%; right: -22%; z-index: -1; width: 70vw; opacity: .55; }
  .hero-index { align-self: end; }
  .section-heading { grid-template-columns: 1fr; }
  .area-card { grid-template-columns: 2.5rem 1fr; gap: 1rem; }
  .area-card p { grid-column: 2; }
  .stat-row { grid-template-columns: 1fr; }
  .stat { padding: 1rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .talk-card { grid-template-columns: 5.5rem 1fr; gap: 1rem; }
  .talk-card__event { grid-column: 2; text-align: left; }
  .journal-grid { grid-template-columns: 1fr; }
  .journal-card:nth-child(2) { margin-top: 0; }
  .footer-top, .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .content-layout { grid-template-columns: 1fr; gap: 2rem; }
  .entry-row { grid-template-columns: 1fr; gap: .5rem; }
  .member-dialog { width: 100%; height: 100dvh; max-height: none; border: 0; border-radius: 0; }
  .member-detail { grid-template-columns: 1fr; }
  .member-detail__visual { position: relative; display: grid; min-height: auto; grid-template-columns: 8rem 1fr; gap: 1rem; align-items: end; padding: 1.25rem; }
  .member-detail__portrait { width: 8rem; max-height: none; }
  .member-detail__visual > .meta { margin: 0 3.5rem .15rem 0; }
  .member-detail__body { padding: 2rem 1.25rem 4rem; }
  .member-detail__body header { padding-right: 0; }
  .member-detail__body h2 { font-size: clamp(2.55rem, 13vw, 4rem); }
}

@media (max-width: 520px) {
  .team-grid { grid-template-columns: 1fr; }
  .hero-index p { display: none; }
  .feature-card, .feature-card:first-child { min-height: 28rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}