/* =========================================================================
   Prof. Faruk Sarkinfada — official website
   Design system: petrol-green + brass-gold + warm ivory, ink text.
   Type: Fraunces (display) · Spectral (body) · IBM Plex Mono (data/labels)
   Signature: concentric "culture-plate" rings + mono lab-readout labels.
   ========================================================================= */

:root {
  /* palette */
  --green-900: #082e2a;
  --green-800: #0c3b36;
  --green-700: #12514b;
  --green-600: #1c655d;
  --ink: #14201e;
  --ink-soft: #33413d;
  --gold: #c39b4e;
  --gold-bright: #dcb968;
  --gold-deep: #a37e35;
  --ivory: #f5f1e8;
  --ivory-2: #efe9db;
  --paper: #faf7ef;
  --agar: #e7ede4;
  --line: #ddd5c4;
  --line-dark: rgba(245, 241, 232, 0.16);

  /* type */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Spectral", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* metrics */
  --wrap: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 14px;
  --nav-h: 74px;
  --shadow: 0 24px 60px -30px rgba(8, 46, 42, 0.45);
  --shadow-sm: 0 12px 30px -18px rgba(8, 46, 42, 0.4);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  margin: 0;
  font-family: var(--body);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: clamp(1rem, 0.55vw + 0.9rem, 1.12rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--green-800); color: var(--ivory);
  padding: 0.6rem 1rem; border-radius: 0 0 8px 0; font-family: var(--mono); font-size: 0.8rem;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- shared type ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 0 0 1rem;
  display: flex; align-items: center; gap: 0.9rem;
}
.eyebrow::before {
  content: ""; width: 34px; height: 1px; background: var(--gold);
  display: inline-block; opacity: 0.7;
}
.eyebrow--light { color: var(--gold-bright); }
.eyebrow--light::before { background: var(--gold); opacity: 0.8; }

.section__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}
.section__title em { font-style: italic; color: var(--green-700); }
.section__title--light { color: var(--ivory); }
.section__sub {
  max-width: 54ch; margin: 1.1rem 0 0; color: var(--ink-soft); font-size: 1.05rem;
}
.section__sub--light { color: rgba(245, 241, 232, 0.78); }
.section__head { max-width: 62ch; margin-bottom: clamp(2.2rem, 4vw, 3.4rem); }

.section { padding: clamp(4rem, 8vw, 7rem) 0; }

.btn {
  --pad: 0.85rem 1.6rem;
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.06em;
  text-transform: uppercase; text-decoration: none;
  padding: var(--pad); border-radius: 999px;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease), color 0.25s var(--ease);
}
.btn--gold { background: var(--gold); color: var(--green-900); font-weight: 600; }
.btn--gold:hover { background: var(--gold-bright); transform: translateY(-2px); box-shadow: 0 14px 30px -14px rgba(195, 155, 78, 0.7); }
.btn--ghost { color: var(--ivory); border: 1px solid var(--line-dark); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-bright); transform: translateY(-2px); }

/* ============ NAV ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: transparent;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(250, 247, 239, 0.9);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px -24px rgba(8, 46, 42, 0.5);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }

.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--ivory); }
.nav.is-stuck .brand { color: var(--ink); }
.brand__mark {
  position: relative; width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 700; font-size: 0.95rem;
  color: var(--ivory); background: var(--green-800);
  border-radius: 50%;
}
.nav.is-stuck .brand__mark { color: var(--ivory); }
.brand__mark--sm { width: 34px; height: 34px; font-size: 0.8rem; }
.brand__ring {
  position: absolute; inset: 3px; border: 1px solid var(--gold); border-radius: 50%; opacity: 0.55;
}
.brand__ring + .brand__ring { inset: 7px; opacity: 0.3; }
.brand__name { font-family: var(--display); font-weight: 600; font-size: 1.02rem; letter-spacing: -0.01em; }
.brand__phd { color: var(--gold); font-weight: 500; }

.nav__links { display: flex; align-items: center; gap: 1.7rem; }
.nav__links a {
  text-decoration: none; font-size: 0.82rem; font-family: var(--mono);
  letter-spacing: 0.04em; color: rgba(245, 241, 232, 0.82);
  position: relative; padding: 0.3rem 0; transition: color 0.2s;
}
.nav.is-stuck .nav__links a { color: var(--ink-soft); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--gold); transition: width 0.25s var(--ease);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--gold-bright); }
.nav.is-stuck .nav__links a:hover, .nav.is-stuck .nav__links a.is-active { color: var(--gold-deep); }
.nav__links a:hover::after, .nav__links a.is-active::after { width: 100%; }

.nav__cta {
  border: 1px solid var(--line-dark); border-radius: 999px; padding: 0.5rem 1.1rem !important;
}
.nav.is-stuck .nav__cta { border-color: var(--line); }
.nav__cta::after { display: none; }

.nav__toggle { display: none; background: none; border: 0; cursor: pointer; width: 42px; height: 42px; padding: 9px; }
.nav__toggle span { display: block; height: 2px; background: var(--ivory); margin: 5px 0; transition: 0.3s var(--ease); border-radius: 2px; }
.nav.is-stuck .nav__toggle span { background: var(--ink); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(120% 100% at 80% 0%, var(--green-700) 0%, var(--green-800) 42%, var(--green-900) 100%);
  color: var(--ivory);
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 3rem) 0 4rem;
  overflow: hidden;
}
.hero__rings { position: absolute; inset: 0; pointer-events: none; }
.hero__rings span {
  position: absolute; top: 12%; right: -8%;
  border: 1px solid var(--gold); border-radius: 50%; opacity: 0.14;
  animation: ripple 8s var(--ease) infinite;
}
.hero__rings span:nth-child(1) { width: 340px; height: 340px; }
.hero__rings span:nth-child(2) { width: 560px; height: 560px; opacity: 0.1; animation-delay: 0.6s; top: 6%; right: -14%; }
.hero__rings span:nth-child(3) { width: 800px; height: 800px; opacity: 0.07; top: 0; right: -22%; animation-delay: 1.2s; }
.hero__rings span:nth-child(4) { width: 220px; height: 220px; opacity: 0.2; top: 18%; right: -2%; animation-delay: 0.3s; }
@keyframes ripple {
  0%, 100% { transform: scale(1); opacity: var(--o, 0.14); }
  50% { transform: scale(1.06); opacity: 0.22; }
}

.hero__grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero__intro { animation: rise 0.9s var(--ease) both; }
.hero__name {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0.4rem 0 0.9rem;
}
.hero__creds {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em;
  color: var(--gold-bright); text-transform: uppercase; margin: 0 0 1.6rem;
}
.hero__lede {
  font-size: clamp(1.1rem, 1.4vw, 1.3rem); max-width: 46ch;
  color: rgba(245, 241, 232, 0.86); font-weight: 300; margin: 0 0 1.6rem;
}
.hero__now {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.02em;
  background: rgba(245, 241, 232, 0.06); border: 1px solid var(--line-dark);
  padding: 0.55rem 1rem; border-radius: 999px; margin: 0 0 2rem;
  color: rgba(245, 241, 232, 0.92);
}
.hero__now strong { color: var(--ivory); font-weight: 600; }
.hero__now .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-bright); box-shadow: 0 0 0 0 rgba(220, 185, 104, 0.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(220,185,104,0.55);} 70% { box-shadow: 0 0 0 9px rgba(220,185,104,0);} 100% { box-shadow: 0 0 0 0 rgba(220,185,104,0);} }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero__portrait { margin: 0; animation: rise 0.9s var(--ease) 0.15s both; }
.portrait__frame {
  position: relative; border-radius: 220px 220px 18px 18px;
  overflow: hidden; border: 1px solid var(--line-dark);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.6);
  background: linear-gradient(180deg, rgba(195,155,78,0.14), transparent 40%);
}
.portrait__frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8, 46, 42, 0.55) 100%);
  mix-blend-mode: multiply;
}
.portrait__frame img { width: 100%; aspect-ratio: 1 / 1.04; object-fit: cover; object-position: 50% 20%; filter: saturate(1.02) contrast(1.02); }
.hero__portrait figcaption {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; text-align: center; margin-top: 0.9rem;
  color: rgba(245, 241, 232, 0.6);
}

.hero__scroll { position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%); z-index: 2; }
.hero__scroll span {
  display: block; width: 22px; height: 36px; border: 1px solid var(--line-dark); border-radius: 12px; position: relative;
}
.hero__scroll span::after {
  content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; border-radius: 2px;
  background: var(--gold-bright); transform: translateX(-50%); animation: scrolldot 1.8s infinite;
}
@keyframes scrolldot { 0% { opacity: 0; transform: translate(-50%, 0);} 40% { opacity: 1;} 80% { opacity: 0; transform: translate(-50%, 12px);} 100% { opacity: 0; } }

@keyframes rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

.lang {
  background: none; border: 1px solid var(--line-dark); color: var(--gold-bright);
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; cursor: pointer;
  padding: 0.15rem 0.5rem; border-radius: 999px; transition: 0.2s;
}
.lang:hover { border-color: var(--gold); color: var(--ivory); }

/* ============ STATS ============ */
.stats { background: var(--green-900); color: var(--ivory); padding: clamp(2.4rem, 4vw, 3.4rem) 0; }
.stats__grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.5rem;
}
.stat { text-align: left; border-left: 1px solid var(--line-dark); padding-left: 1.1rem; }
.stat__num {
  font-family: var(--mono); font-weight: 500;
  font-size: clamp(1.8rem, 3vw, 2.7rem); color: var(--gold-bright); line-height: 1;
  letter-spacing: -0.02em;
}
.stat__label { font-size: 0.82rem; color: rgba(245, 241, 232, 0.7); margin-top: 0.5rem; line-height: 1.4; }

/* ============ ABOUT ============ */
.about { background: var(--paper); }
.about__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 5vw, 4.5rem); }
.about__head { position: sticky; top: calc(var(--nav-h) + 2rem); align-self: start; }
.about__body p { margin: 0 0 1.3rem; color: var(--ink-soft); }
.about__body .lead { font-size: 1.22rem; color: var(--ink); font-weight: 400; }
.pull {
  margin: 2.2rem 0 0; padding: 1.6rem 0 0.4rem 1.8rem;
  border-left: 3px solid var(--gold);
  font-family: var(--display); font-style: italic; font-size: 1.3rem;
  line-height: 1.4; color: var(--green-700);
}
.pull cite { display: block; margin-top: 1rem; font-family: var(--mono); font-style: normal; font-size: 0.78rem; letter-spacing: 0.06em; color: var(--gold-deep); }

/* ============ FOCUS ============ */
.focus { background: var(--agar); position: relative; }
.focus__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.fcard {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem 1.9rem; position: relative; overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.fcard::before {
  content: ""; position: absolute; right: -60px; top: -60px; width: 160px; height: 160px;
  border-radius: 50%; border: 1px solid var(--gold); opacity: 0.16;
  transition: transform 0.5s var(--ease);
}
.fcard:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--gold); }
.fcard:hover::before { transform: scale(1.35); }
.fcard__k { font-family: var(--mono); font-size: 0.8rem; color: var(--gold-deep); letter-spacing: 0.1em; }
.fcard__title { font-family: var(--display); font-weight: 600; font-size: 1.32rem; margin: 0.7rem 0 0.7rem; color: var(--ink); line-height: 1.2; }
.fcard__body { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

/* ============ LEADERSHIP ============ */
.leadership { background: var(--green-800); color: var(--ivory); position: relative; overflow: hidden; }
.leadership::before {
  content: ""; position: absolute; left: -10%; bottom: -30%; width: 620px; height: 620px;
  border-radius: 50%; border: 1px solid var(--line-dark); opacity: 0.6;
}
.lead__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; position: relative; z-index: 2; }
.acard {
  background: rgba(245, 241, 232, 0.04); border: 1px solid var(--line-dark);
  border-radius: var(--radius); padding: 1.5rem 1.6rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.acard:hover { transform: translateY(-4px); background: rgba(245, 241, 232, 0.07); border-color: var(--gold); }
.acard__top { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
.acard__period { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.05em; color: var(--gold-bright); }
.acard__badge {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--gold); color: var(--green-900); padding: 0.15rem 0.5rem; border-radius: 999px; font-weight: 600;
}
.acard__role { font-family: var(--display); font-weight: 600; font-size: 1.2rem; margin: 0.1rem 0 0; line-height: 1.2; }
.acard__org { color: rgba(245, 241, 232, 0.8); font-size: 0.95rem; }
.acard__note { color: rgba(245, 241, 232, 0.6); font-size: 0.86rem; margin: 0.3rem 0 0; }

/* ============ TIMELINE ============ */
.journey { background: var(--paper); }
.timeline { list-style: none; margin: 0; padding: 0; position: relative; max-width: 820px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--line) 90%);
}
.tl {
  position: relative; padding: 0 0 2.1rem 2.6rem;
  opacity: 0; transform: translateY(20px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.tl.is-in { opacity: 1; transform: none; }
.tl::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--paper); border: 3px solid var(--gold); box-shadow: 0 0 0 4px rgba(195, 155, 78, 0.12);
}
.tl:last-child { padding-bottom: 0; }
.tl__year { font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.08em; color: var(--gold-deep); font-weight: 600; }
.tl__title { font-family: var(--display); font-weight: 600; font-size: 1.2rem; margin: 0.25rem 0 0.2rem; color: var(--ink); line-height: 1.25; }
.tl__desc { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }

/* ============ RESEARCH ============ */
.research { background: var(--green-900); color: var(--ivory); }
.research__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.research__head { position: sticky; top: calc(var(--nav-h) + 2rem); }
.research__note { color: rgba(245, 241, 232, 0.72); margin-top: 1.1rem; max-width: 42ch; }
.research__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.9rem; }
.ritem {
  display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start;
  padding: 1.2rem 1.3rem; border: 1px solid var(--line-dark); border-radius: var(--radius);
  background: rgba(245, 241, 232, 0.03); transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.ritem:hover { border-color: var(--gold); transform: translateX(5px); }
.ritem__n { font-family: var(--mono); color: var(--gold-bright); font-size: 0.85rem; padding-top: 0.15rem; }
.ritem p { margin: 0; color: rgba(245, 241, 232, 0.9); font-size: 1rem; }

/* ============ PUBLICATIONS ============ */
.publications { background: var(--ivory); }
.pub__controls {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
  margin-bottom: 1.4rem;
}
.pub__search {
  position: relative; flex: 1 1 280px; max-width: 380px;
  display: flex; align-items: center;
}
.pub__search svg { position: absolute; left: 1rem; width: 18px; height: 18px; fill: none; stroke: var(--gold-deep); stroke-width: 2; stroke-linecap: round; }
.pub__search input {
  width: 100%; padding: 0.8rem 1rem 0.8rem 2.7rem; border: 1px solid var(--line);
  border-radius: 999px; background: var(--paper); font-family: var(--body); font-size: 0.98rem; color: var(--ink);
  transition: border-color 0.2s;
}
.pub__search input:focus { outline: none; border-color: var(--gold); }
.pub__filters { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.5rem 0.95rem; border-radius: 999px; border: 1px solid var(--line);
  background: transparent; color: var(--ink-soft); cursor: pointer; transition: 0.2s var(--ease);
}
.chip:hover { border-color: var(--gold); color: var(--gold-deep); }
.chip.is-on { background: var(--green-800); color: var(--ivory); border-color: var(--green-800); }
.chip .chip__c { opacity: 0.6; margin-left: 0.35rem; }

.pub__count { font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.05em; color: var(--ink-soft); margin: 0 0 1.1rem; }
.pub__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.pub {
  display: grid; grid-template-columns: 74px 1fr auto; gap: 1.2rem; align-items: baseline;
  padding: 1.15rem 1.3rem; border: 1px solid var(--line); border-radius: 12px; background: var(--paper);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.pub:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.pub__year { font-family: var(--mono); font-weight: 600; color: var(--gold-deep); font-size: 0.95rem; }
.pub__title { font-family: var(--display); font-weight: 500; font-size: 1.06rem; line-height: 1.3; color: var(--ink); margin: 0 0 0.25rem; }
.pub__title a { text-decoration: none; background: linear-gradient(var(--gold), var(--gold)) 0 100% / 0 1px no-repeat; transition: background-size 0.3s; }
.pub__title a:hover { background-size: 100% 1px; color: var(--green-700); }
.pub__venue { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }
.pub__tag {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--green-700); border: 1px solid var(--line); border-radius: 999px; padding: 0.2rem 0.6rem; white-space: nowrap;
}
.pub__tag[data-t="book"] { color: var(--gold-deep); border-color: var(--gold); }
.pub__empty { text-align: center; padding: 3rem 1rem; color: var(--ink-soft); font-style: italic; }

/* ============ BOOKS ============ */
.books { background: var(--green-800); color: var(--ivory); position: relative; overflow: hidden; }
.books::after {
  content: ""; position: absolute; right: -12%; top: -20%; width: 560px; height: 560px; border-radius: 50%;
  border: 1px solid var(--line-dark); opacity: 0.5;
}
.amp { font-family: var(--display); font-style: italic; color: var(--gold-bright); }
.books__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 1rem; position: relative; z-index: 2; }
.bcard {
  border: 1px solid var(--line-dark); border-radius: var(--radius); padding: 1.4rem 1.4rem 1.5rem;
  background: rgba(245, 241, 232, 0.04);
  display: flex; flex-direction: column; gap: 0.55rem; min-height: 190px;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.bcard:hover { transform: translateY(-5px); background: rgba(245, 241, 232, 0.08); border-color: var(--gold); }
.bcard__top { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.bcard__year { font-family: var(--mono); font-size: 0.72rem; color: var(--gold-bright); letter-spacing: 0.06em; }
.bcard__genre { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(245,241,232,0.55); }
.bcard__title { font-family: var(--display); font-weight: 600; font-size: 1.24rem; line-height: 1.2; margin: 0.3rem 0 0; }
.bcard__en { color: rgba(245, 241, 232, 0.68); font-size: 0.9rem; font-style: italic; margin: 0; }
.bcard--feature { grid-column: span 2; flex-direction: row; align-items: center; gap: 1.3rem; }
.bcard--feature .bcard__cover { flex: none; width: 108px; border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-sm); align-self: stretch; }
.bcard--feature .bcard__cover img { width: 100%; height: 100%; object-fit: cover; }
.bcard--feature .bcard__meta { display: flex; flex-direction: column; gap: 0.4rem; }

/* ============ AWARDS ============ */
.awards { background: var(--paper); }
.awards__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.awards__head { position: sticky; top: calc(var(--nav-h) + 2rem); }
.awards__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.award {
  display: grid; grid-template-columns: 70px 1fr; gap: 1.2rem; align-items: baseline;
  padding: 1.1rem 0; border-bottom: 1px solid var(--line);
}
.award:first-child { border-top: 1px solid var(--line); }
.award__y { font-family: var(--mono); font-weight: 600; color: var(--gold-deep); font-size: 0.95rem; }
.award__t { font-family: var(--display); font-weight: 500; font-size: 1.1rem; color: var(--ink); margin: 0; line-height: 1.3; }
.award__d { color: var(--ink-soft); font-size: 0.9rem; margin: 0.2rem 0 0; }

/* ============ CONTACT / FOOTER ============ */
.contact { background: var(--green-900); color: var(--ivory); padding: clamp(4rem, 8vw, 6.5rem) 0 2.5rem; position: relative; overflow: hidden; }
.contact__rings { position: absolute; inset: 0; pointer-events: none; }
.contact__rings span { position: absolute; border: 1px solid var(--line-dark); border-radius: 50%; opacity: 0.5; }
.contact__rings span:nth-child(1) { width: 300px; height: 300px; left: -6%; top: 20%; }
.contact__rings span:nth-child(2) { width: 480px; height: 480px; left: -10%; top: 6%; opacity: 0.3; }
.contact__rings span:nth-child(3) { width: 200px; height: 200px; right: 8%; bottom: -6%; opacity: 0.4; }
.contact__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.contact__title { font-family: var(--display); font-weight: 500; font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1.1; margin: 0 0 1rem; }
.contact__body { color: rgba(245, 241, 232, 0.78); max-width: 44ch; margin: 0; }
.profiles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.profile {
  display: flex; flex-direction: column; gap: 0.15rem;
  padding: 1rem 1.2rem; border: 1px solid var(--line-dark); border-radius: 12px; text-decoration: none;
  background: rgba(245, 241, 232, 0.03); transition: 0.25s var(--ease);
}
.profile:hover { border-color: var(--gold); transform: translateY(-3px); background: rgba(245,241,232,0.07); }
.profile__name { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-bright); display: flex; align-items: center; justify-content: space-between; }
.profile__name span:last-child { opacity: 0.5; transition: transform 0.25s; }
.profile:hover .profile__name span:last-child { transform: translate(3px, -3px); }
.profile__handle { font-family: var(--body); font-size: 0.95rem; color: rgba(245, 241, 232, 0.85); }

.contact__foot {
  position: relative; z-index: 2; margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.6rem;
  border-top: 1px solid var(--line-dark); display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1.4rem;
}
.contact__foot p { margin: 0; font-size: 0.85rem; color: rgba(245, 241, 232, 0.6); font-family: var(--mono); letter-spacing: 0.02em; }
.contact__note { margin-left: auto !important; color: var(--gold-bright) !important; }

/* ============ BACK TO TOP ============ */
.totop {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--green-800); color: var(--ivory); display: grid; place-items: center;
  text-decoration: none; font-size: 1.2rem; box-shadow: var(--shadow);
  border: 1px solid var(--gold); opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), background 0.2s;
}
.totop.is-show { opacity: 1; pointer-events: auto; transform: none; }
.totop:hover { background: var(--green-700); }

/* ============ REVEAL ============ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__portrait { max-width: 380px; }
  .stats__grid { grid-template-columns: repeat(3, 1fr); gap: 1.6rem 1.2rem; }
  .about__grid, .research__grid, .awards__grid, .contact__inner { grid-template-columns: 1fr; }
  .about__head, .research__head, .awards__head { position: static; }
  .focus__grid, .lead__grid { grid-template-columns: 1fr; }
  .bcard--feature { grid-column: span 1; }
}

@media (max-width: 720px) {
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--green-800); padding: 1rem var(--gutter) 1.6rem;
    border-bottom: 1px solid var(--line-dark);
    transform: translateY(-120%); transition: transform 0.4s var(--ease); box-shadow: var(--shadow);
  }
  .nav__links.is-open { transform: none; }
  .nav__links a { color: rgba(245, 241, 232, 0.9); padding: 0.8rem 0; width: 100%; border-bottom: 1px solid var(--line-dark); }
  .nav__links a::after { display: none; }
  .nav__cta { border: 0; padding: 0.8rem 0 !important; }
  .nav__toggle { display: block; }
  .nav.is-stuck .nav__links a { color: rgba(245, 241, 232, 0.9); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .profiles { grid-template-columns: 1fr; }
  .pub { grid-template-columns: 54px 1fr; }
  .pub__tag { grid-column: 2; justify-self: start; margin-top: 0.4rem; }
  .contact__note { margin-left: 0 !important; }
  .hero__scroll { display: none; }
}

/* ============ MOTION PREFERENCES ============ */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
  .reveal, .tl { opacity: 1; transform: none; }
}