/* ==========================================
   SFLAB – Theory of Living Matter
   Dark Edition — Complete Redesign
   ========================================== */

/* ---------- Variables ---------- */
:root {
  --navy:        #07080e;
  --navy-light:  #0c0e18;
  --navy-mid:    #101420;
  --teal:        #1affd0;
  --teal-hover:  #00c9a0;
  --teal-subtle: rgba(26, 255, 208, 0.07);
  --teal-glow:   rgba(26, 255, 208, 0.14);
  --warm:        #ff5577;
  --warm-subtle: rgba(255, 85, 119, 0.07);
  --white:       #ffffff;
  --gray-50:     #0c0e18;
  --gray-100:    #101420;
  --gray-200:    rgba(255, 255, 255, 0.06);
  --gray-400:    #374158;
  --gray-600:    #6c7590;
  --gray-700:    #9aa3be;
  --gray-900:    #dfe5f4;
  --radius:      3px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.5);
  --shadow:      0 4px 24px rgba(0,0,0,.5);
  --shadow-lg:   0 8px 48px rgba(0,0,0,.7);
  --transition:  all .2s ease;
  --font:        'Crimson Pro', 'Georgia', serif;
  --font-display:'Cormorant Garamond', 'Georgia', serif;
  --font-mono:   'DM Mono', 'JetBrains Mono', monospace;
  --max-w:       1120px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--navy);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--teal); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--teal-hover); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.15rem; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 1.5em; margin-bottom: 1em; }

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 5rem 0; }

.section--alt {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.section--dark {
  background: #040608;
  border-top: 1px solid var(--gray-200);
}

.section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--teal);
  margin-bottom: .75rem;
}

.section__title { margin-bottom: 1rem; font-weight: 300; }

.section--dark .section__label { color: var(--teal); }
.section--dark .section__title { color: var(--white); }
.section--dark p { color: var(--gray-700); }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(7, 8, 14, .92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar__brand { display: flex; flex-direction: column; line-height: 1.1; }

.navbar__brand-name {
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: -.01em;
}

.navbar__brand-sub {
  color: var(--gray-600);
  font-family: var(--font-mono);
  font-size: .6rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.navbar__brand:hover .navbar__brand-name { color: var(--teal); }

.navbar__links {
  display: flex; align-items: center;
  gap: .1rem; list-style: none; padding: 0; margin: 0;
}

.navbar__links a {
  color: var(--gray-600);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .4rem .8rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--gray-900);
  background: rgba(255,255,255,.04);
}

.navbar__links .btn-nav {
  color: var(--teal);
  border: 1px solid rgba(26,255,208,.25);
  margin-left: .5rem;
}

.navbar__links .btn-nav:hover {
  background: var(--teal-glow);
  color: var(--teal);
  border-color: var(--teal);
}

/* Hamburger */
.navbar__toggle {
  display: none;
  background: none; border: none;
  cursor: pointer; padding: .5rem;
  color: var(--gray-700);
}

.navbar__toggle span {
  display: block; width: 22px; height: 1px;
  background: currentColor; margin: 5px 0;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 7rem 0 4rem;
}

/* Canvas is injected via JS */
#hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: .6; pointer-events: none;
}

/* Vignette overlay */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 80% at 30% 50%, transparent 35%, rgba(7,8,14,.85) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero__inner {
  position: relative; z-index: 2;
  max-width: var(--max-w); width: 100%;
  margin: 0 auto; padding: 0 1.5rem;
}

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  font-family: var(--font-mono);
  font-size: .68rem; font-weight: 300;
  text-transform: uppercase; letter-spacing: .2em;
  color: var(--teal);
  margin-bottom: 1.5rem;
  opacity: 0; animation: fadeUp .8s .2s ease forwards;
}

.hero__eyebrow::before {
  content: ''; display: inline-block;
  width: 2rem; height: 1px; background: var(--teal);
}

.hero__title {
  font-family: var(--font-display);
  color: var(--white);
  font-size: clamp(3.2rem, 8.5vw, 7rem);
  font-weight: 300; line-height: .97;
  letter-spacing: -.025em;
  margin-bottom: 1.75rem; max-width: 13ch;
  opacity: 0; animation: fadeUp .8s .4s ease forwards;
}

.hero__title span {
  color: var(--teal);
  font-style: italic;
}

.hero__desc {
  color: var(--gray-700);
  font-size: 1.2rem; max-width: 50ch;
  margin-bottom: 2.5rem; line-height: 1.75;
  opacity: 0; animation: fadeUp .8s .6s ease forwards;
}

.hero__actions {
  display: flex; gap: .75rem; flex-wrap: wrap;
  opacity: 0; animation: fadeUp .8s .8s ease forwards;
}

.hero__scroll {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  color: var(--gray-400);
  font-family: var(--font-mono);
  font-size: .58rem; letter-spacing: .15em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  z-index: 2;
  opacity: 0; animation: fadeIn .8s 1.3s ease forwards;
}

.hero__scroll svg { animation: scrollBounce 2.5s ease-in-out infinite; }

.hero__scroll::after {
  content: ''; display: block; width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--gray-400), transparent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(7px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---------- Scroll fade-in (applied via JS) ---------- */
.will-fade {
  opacity: 0; transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.will-fade.visible { opacity: 1; transform: translateY(0); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .65rem 1.6rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .7rem; font-weight: 400; letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer; border: 1px solid transparent;
  transition: var(--transition); text-decoration: none;
}

.btn--primary {
  background: var(--teal); color: var(--navy); border-color: var(--teal);
}
.btn--primary:hover { background: #fff; border-color: #fff; color: var(--navy); }

.btn--outline {
  background: transparent; color: var(--teal);
  border-color: rgba(26,255,208,.3);
}
.btn--outline:hover { border-color: var(--teal); background: var(--teal-glow); }

.btn--outline-dark {
  background: transparent; color: var(--teal);
  border-color: rgba(26,255,208,.25);
}
.btn--outline-dark:hover { border-color: var(--teal); background: var(--teal-subtle); }

/* ---------- Scroll anchor offset ---------- */
section[id] { scroll-margin-top: 80px; }

/* ---------- Research Topic Page ---------- */
.topic-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; align-items: start; }
.topic-header { position: sticky; top: 84px; }
.topic-thumb {
  width: 100%; margin-top: 1.5rem;
  border-radius: var(--radius); border: 1px solid var(--gray-200); object-fit: cover;
}
@media (max-width: 700px) {
  .topic-layout { grid-template-columns: 1fr; }
  .topic-header { position: static; }
}

/* ---------- Research Cards ---------- */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}

.research-card {
  background: var(--navy);
  padding: 2.5rem 2rem;
  transition: background .25s;
  position: relative; overflow: hidden;
}

.research-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--teal); transform: scaleX(0); transform-origin: left;
  transition: transform .35s ease;
}

.research-card:hover { background: var(--gray-50); }
.research-card:hover::before { transform: scaleX(1); }

.research-card__icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  border: 1px solid var(--gray-200); border-radius: var(--radius);
  background: var(--gray-100);
}

.research-card__icon svg {
  width: 20px; height: 20px;
  stroke: var(--teal); fill: none; stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
}

.research-card__title {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 400;
  color: var(--gray-900); margin-bottom: .75rem;
}

.research-card__body { color: var(--gray-700); font-size: 1rem; line-height: 1.7; }

.research-card__link {
  display: inline-flex; align-items: center; gap: .35rem;
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: .68rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--teal);
}
.research-card__link:hover { gap: .6rem; color: var(--teal-hover); }

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1rem;
}

.team-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem; text-align: center;
  transition: border-color .25s, transform .25s;
}

.team-card:hover {
  border-color: rgba(26,255,208,.22);
  transform: translateY(-3px);
}

a.team-card { display: block; text-decoration: none; color: inherit; }

/* Photo */
.team-photo {
  width: 72px; height: 72px; border-radius: 50%;
  margin: 0 auto 1rem; object-fit: cover; object-position: center top;
  border: 2px solid var(--gray-200);
}
.team-photo--lg { width: 96px; height: 96px; flex-shrink: 0; margin: 0; }

/* Initials */
.team-initials {
  width: 72px; height: 72px; border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 400; font-size: 1.5rem;
  color: var(--teal);
  background: linear-gradient(135deg, #0d1f30, #081f20);
  border: 1px solid rgba(26,255,208,.18);
}
.team-initials--pi {
  width: 96px; height: 96px; font-size: 2rem;
  background: linear-gradient(135deg, #0a1828, #061a1c);
  border-color: rgba(26,255,208,.28);
}

.team-card__name {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 400;
  color: var(--gray-900); margin-bottom: .25rem;
}
.team-card__role {
  font-family: var(--font-mono); font-size: .63rem; font-weight: 300;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--teal); margin-bottom: .5rem;
}
.team-card__research { font-size: .9rem; color: var(--gray-600); line-height: 1.55; }

.team-card--pi { border-color: rgba(26,255,208,.18); }

/* ---------- Publications ---------- */
.pub-year-group { margin-bottom: 2.75rem; }

.pub-year-label {
  font-family: var(--font-mono);
  font-size: .65rem; font-weight: 300;
  text-transform: uppercase; letter-spacing: .16em;
  color: var(--teal);
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: .6rem; margin-bottom: 1.5rem;
}

.pub-list { list-style: none; padding: 0; }

.pub-item {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--gray-200);
  display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start;
}
.pub-item:last-child { border-bottom: none; }

/* Preprints block */
.preprints-block {
  background: var(--warm-subtle);
  border: 1px solid rgba(255,85,119,.14);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem; margin-bottom: 3rem;
}

.preprint-label {
  color: var(--warm) !important;
  border-bottom-color: rgba(255,85,119,.18) !important;
}

.pub-item__dot--preprint {
  background: var(--warm);
  box-shadow: 0 0 0 3px rgba(255,85,119,.1);
}

.pub-link--preprint {
  background: rgba(255,85,119,.09);
  color: var(--warm);
  border: 1px solid rgba(255,85,119,.22);
}
.pub-link--preprint:hover { background: var(--warm); color: var(--navy); border-color: var(--warm); }

.pub-item__dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--teal); margin-top: .65rem; flex-shrink: 0;
}

.pub-item__title {
  font-family: var(--font-display); font-size: 1.08rem; font-weight: 400;
  color: var(--gray-900); margin-bottom: .3rem; line-height: 1.35;
}

.pub-item__authors {
  font-size: .9rem; font-style: italic;
  color: var(--gray-600); margin-bottom: .25rem;
}

.pub-item__authors strong {
  color: var(--gray-900); font-weight: 600; font-style: normal;
}

.pub-item__venue {
  font-family: var(--font-mono); font-size: .68rem;
  letter-spacing: .04em; color: var(--gray-400);
}

.pub-item__links { display: flex; gap: .5rem; margin-top: .6rem; }

.pub-link {
  display: inline-flex; align-items: center; gap: .25rem;
  font-family: var(--font-mono); font-size: .63rem;
  letter-spacing: .08em; text-transform: uppercase; font-weight: 300;
  color: var(--teal); background: var(--teal-subtle);
  padding: .2rem .6rem; border-radius: var(--radius);
  border: 1px solid rgba(26,255,208,.18);
  transition: var(--transition);
}
.pub-link:hover { background: var(--teal); color: var(--navy); border-color: var(--teal); }

/* ---------- Talks ---------- */
.talk-list { list-style: none; padding: 0; }

.talk-item {
  display: grid; grid-template-columns: 90px 1fr; gap: 1.5rem;
  padding: 1.25rem 0; border-bottom: 1px solid var(--gray-200); align-items: start;
}
.talk-item:last-child { border-bottom: none; }

.talk-item__date {
  text-align: right;
  font-family: var(--font-mono); font-size: .68rem;
  color: var(--teal); line-height: 1.3; letter-spacing: .06em;
}

.talk-item__title {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 400;
  color: var(--gray-900); margin-bottom: .25rem;
}

.talk-item__venue { font-size: .9rem; color: var(--gray-600); }

.talk-item__location {
  font-family: var(--font-mono); font-size: .68rem;
  color: var(--gray-400); margin-top: .2rem; letter-spacing: .04em;
}

/* ---------- Join Section ---------- */
.join-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }

.join__text h2 { color: var(--white); margin-bottom: 1rem; font-weight: 300; }
.join__text p { color: var(--gray-700); margin-bottom: 1.5rem; }

.join__positions { display: flex; flex-direction: column; gap: .6rem; }

.join__position {
  background: rgba(255,255,255,.02);
  border: 1px solid var(--gray-200); border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: border-color .2s;
}
.join__position:hover { border-color: rgba(26,255,208,.2); }

.join__position-title {
  font-family: var(--font-display); font-weight: 400; font-size: 1.1rem;
  color: var(--teal); margin-bottom: .3rem;
}

.join__position-desc { font-size: .9rem; color: var(--gray-600); line-height: 1.6; }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  background: #040608;
  border-bottom: 1px solid var(--gray-200);
  padding: 8rem 0 3.5rem;
}

.page-hero__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

.page-hero__label {
  font-family: var(--font-mono); font-size: .65rem; font-weight: 300;
  text-transform: uppercase; letter-spacing: .2em;
  color: var(--teal); margin-bottom: .75rem;
}

.page-hero__title {
  font-family: var(--font-display); font-weight: 300;
  color: var(--white); margin-bottom: 1rem;
  font-size: clamp(2.5rem, 5vw, 4rem);
}

.page-hero__desc { color: var(--gray-700); max-width: 56ch; font-size: 1.1rem; line-height: 1.7; }

/* ---------- Footer ---------- */
.footer {
  background: #040608;
  border-top: 1px solid var(--gray-200);
  padding: 3rem 0 2rem;
  color: var(--gray-600); font-size: .9rem;
}

.footer__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem;
  display: grid; grid-template-columns: 1fr auto auto; gap: 2rem; align-items: start;
}

.footer__brand-name {
  font-family: var(--font-display); color: var(--white);
  font-weight: 400; font-size: 1.15rem; margin-bottom: .35rem;
}

.footer__brand-inst {
  font-family: var(--font-mono); color: var(--gray-400);
  font-size: .62rem; letter-spacing: .08em; text-transform: uppercase;
}

.footer__col-label {
  font-family: var(--font-mono); color: var(--gray-400);
  font-size: .62rem; letter-spacing: .14em;
  text-transform: uppercase; margin-bottom: .75rem;
}

.footer__links { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .4rem; }
.footer__links a { color: var(--gray-600); font-size: .875rem; }
.footer__links a:hover { color: var(--teal); }

.footer__bottom {
  max-width: var(--max-w); margin: 2rem auto 0;
  padding: 1.25rem 1.5rem 0; border-top: 1px solid var(--gray-200);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: .63rem; letter-spacing: .05em; color: var(--gray-400);
}

/* ---------- News ---------- */
.news-list { list-style: none; padding: 0; }

.news-item {
  display: grid; grid-template-columns: 140px 1fr; gap: 1.5rem;
  padding: 1.5rem 0; border-bottom: 1px solid var(--gray-200); align-items: start;
}
.news-item:last-child { border-bottom: none; }

.news-item__meta {
  display: flex; flex-direction: column; align-items: flex-end; gap: .4rem; padding-top: .15rem;
}

.news-item__date {
  font-family: var(--font-mono); font-size: .68rem;
  color: var(--teal); letter-spacing: .06em;
}

.news-badge {
  display: inline-block;
  font-family: var(--font-mono); font-size: .58rem; font-weight: 300;
  letter-spacing: .07em; text-transform: uppercase;
  padding: .15rem .55rem; border-radius: 2px;
}

.news-badge--paper { background: rgba(26,255,208,.07); color: var(--teal); border: 1px solid rgba(26,255,208,.14); }
.news-badge--preprint { background: var(--warm-subtle); color: var(--warm); border: 1px solid rgba(255,85,119,.14); }
.news-badge--award,
.news-badge--event { background: rgba(160,120,255,.07); color: #a080ff; border: 1px solid rgba(160,120,255,.14); }

.news-item__title {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 400;
  color: var(--gray-900); margin-bottom: .4rem; line-height: 1.4;
}
.news-item__title a { color: var(--gray-900); }
.news-item__title a:hover { color: var(--teal); }
.news-item__desc { font-size: .9rem; color: var(--gray-600); line-height: 1.65; margin: 0; }

/* ---------- Team member single page ---------- */
.member-layout { display: grid; grid-template-columns: 220px 1fr; gap: 3rem; align-items: start; }
.member-sidebar { text-align: center; }

.member-photo {
  width: 160px; height: 160px; border-radius: 50%;
  object-fit: cover; object-position: center top;
  border: 2px solid var(--gray-200); margin: 0 auto 1.5rem;
}

.member-initials {
  width: 160px; height: 160px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 400; font-size: 3rem;
  color: var(--teal);
  background: linear-gradient(135deg, #0a1828, #061a1c);
  border: 2px solid rgba(26,255,208,.2);
  margin: 0 auto 1.5rem;
}

.member-meta { display: flex; flex-direction: column; gap: .5rem; align-items: center; }

.member-role {
  font-family: var(--font-mono); font-size: .63rem; font-weight: 300;
  text-transform: uppercase; letter-spacing: .12em; color: var(--teal);
}

.member-email {
  font-family: var(--font-mono); font-size: .75rem;
  color: var(--gray-600); word-break: break-all;
}
.member-email:hover { color: var(--teal); }

.member-bio { color: var(--gray-700); line-height: 1.8; font-size: 1rem; margin-bottom: 2rem; }

.member-section { margin-top: 1.5rem; }
.member-section__title {
  font-family: var(--font-display); font-size: 1.15rem;
  color: var(--gray-900); margin-bottom: .5rem; font-weight: 400;
}

@media (max-width: 700px) {
  .member-layout { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .news-item__meta { flex-direction: row; align-items: center; }
}

/* ---------- Highlight PI in pub list ---------- */
.pub-item__authors strong { color: var(--gray-900); font-style: normal; }

/* ---------- Misc ---------- */
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }

.funding-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--teal-subtle); border: 1px solid rgba(26,255,208,.14);
  color: var(--teal); font-family: var(--font-mono);
  font-size: .63rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .35rem .9rem; border-radius: var(--radius); margin-top: 1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .join-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .hero__title { font-size: 2.75rem; }
  .section { padding: 3.5rem 0; }
  .navbar__links { display: none; }
  .navbar__toggle { display: block; }
  .navbar__links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 62px; left: 0; right: 0;
    background: rgba(7,8,14,.97);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200); gap: .25rem;
  }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .talk-item { grid-template-columns: 1fr; }
  .talk-item__date { text-align: left; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: .5rem; text-align: center; }
}

/* ---------- Team card as link ---------- */
a.team-card { display: block; text-decoration: none; color: inherit; }