/* ------------------------------------------------------------------
   Lucas Fu — Medical Science Liaison
   Editorial / clinical-journal visual system
------------------------------------------------------------------- */

@font-face {
  font-family: "Cormorant Garamond";
  src: url("../fonts/cormorant-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Cormorant Garamond";
  src: url("../fonts/cormorant-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Cormorant Garamond";
  src: url("../fonts/cormorant-500i.woff2") format("woff2");
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-300.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Noto Serif SC Sub";
  src: url("../fonts/noto-serif-sc-500-subset.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f4f1ea;
  --paper-raised: #f9f7f1;
  --paper-deep: #ece7dc;
  --ink: #17211e;
  --ink-2: #38443f;
  --muted: #5f6b64;
  --line: #d9d3c7;
  --line-strong: #bfb8aa;
  --accent: #2f5c4f;
  --accent-deep: #23463c;
  --accent-soft: #dde6df;
  --copper: #a87545;
  --night: #14201c;
  --cream: #f2eee4;

  --serif: "Cormorant Garamond", "Noto Serif SC Sub", "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
  --sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.19, 1, 0.22, 1);
  --pad: 36px;
  --max: 1240px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

::selection { background: var(--accent); color: var(--paper); }

img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4, p, dl, dd, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
em { font-style: normal; }

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

.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 500;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
  font-size: 12px;
  transition: top 0.3s var(--ease);
}
.skip:focus { top: 16px; }

.grain {
  position: fixed;
  inset: 0;
  z-index: 400;
  pointer-events: none;
  opacity: 0.032;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 190px 190px;
}

.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 1.5px;
  z-index: 300;
  pointer-events: none;
}
.progress i {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--accent), var(--copper));
  box-shadow: 0 0 10px rgba(47, 92, 79, 0.28);
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.ico {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.ico--fill { fill: currentColor; stroke: none; }

.dim { color: var(--muted); }

/* ---------- Motion primitives ---------- */

@keyframes nav-in {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: none; }
}
@keyframes line-in {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes meta-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@keyframes plate-in {
  from { clip-path: inset(0 100% 0 0); }
  to { clip-path: inset(-30px); }
}
@keyframes plate-float {
  from { translate: 0 0; }
  to { translate: 0 -6px; }
}
@keyframes chip-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}
@keyframes chart-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes year-in {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: none; }
}
@keyframes ambient {
  from { transform: scale(1) translate3d(0, 0, 0); }
  to { transform: scale(1.06) translate3d(1.2%, -1.2%, 0); }
}
@keyframes node-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
@keyframes quote-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.9); }
  to { opacity: 0.18; transform: none; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  cursor: pointer;
  transition: background 0.26s var(--ease), color 0.26s var(--ease),
    border-color 0.26s var(--ease), transform 0.26s var(--ease), box-shadow 0.26s var(--ease);
}
.btn .ico { width: 16px; height: 16px; }
.btn--ink {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn--ink:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -18px rgba(23, 33, 30, 0.55);
}
.btn:active { transform: translateY(0) scale(0.98); transition-duration: 0.12s; }
.btn--sm { padding: 11px 19px; font-size: 12px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.link-arrow .ico { width: 14px; height: 14px; transition: transform 0.4s var(--ease); }
.link-arrow:hover { color: var(--accent); border-color: var(--accent); }
.link-arrow:hover .ico { transform: translate(2px, -2px); }

.round-btn {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background 0.24s var(--ease), color 0.24s var(--ease),
    border-color 0.24s var(--ease), transform 0.24s var(--ease);
}
.round-btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.round-btn:active { transform: scale(0.94); transition-duration: 0.12s; }

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
  animation: nav-in 1s var(--ease-out) both;
}
.nav.is-scrolled {
  background: rgba(244, 241, 234, 0.9);
  -webkit-backdrop-filter: blur(12px) saturate(1.15);
  backdrop-filter: blur(12px) saturate(1.15);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  height: 84px;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.brand:hover .brand__mark { background: var(--ink); color: var(--paper); }
.brand__text { display: flex; flex-direction: column; line-height: 1.2; gap: 3px; }
.brand__name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.brand__role {
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a {
  position: relative;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 6px 0;
  transition: color 0.3s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a.is-active { color: var(--ink); }
.nav__links a.is-active::after,
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__actions { display: flex; align-items: center; gap: 20px; }
.nav__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
}
.nav__status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 92, 79, 0.12);
  animation: pulse 3s var(--ease) infinite;
}
.nav--dark { color: var(--cream); }
.nav--dark.is-scrolled {
  background: rgba(20, 32, 28, 0.9);
  border-bottom-color: rgba(242, 238, 228, 0.12);
}
.nav--dark .brand__mark { border-color: rgba(242, 238, 228, 0.62); color: var(--cream); }
.nav--dark .brand:hover .brand__mark { background: var(--cream); color: var(--ink); }
.nav--dark .brand__name { color: var(--cream); }
.nav--dark .brand__role { color: rgba(242, 238, 228, 0.55); }
.nav--dark .nav__links a { color: rgba(242, 238, 228, 0.62); }
.nav--dark .nav__links a:hover,
.nav--dark .nav__links a.is-active { color: var(--cream); }
.nav--dark .nav__links a::after { background: var(--accent-soft); }
.nav--dark .nav__status { color: rgba(242, 238, 228, 0.55); }
.nav--dark .nav__status i { background: var(--accent-soft); }
.nav--dark .btn--ink {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--ink);
}
.nav--dark .btn--ink:hover {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  color: var(--ink);
}
.nav--dark .menu-btn { border-color: rgba(242, 238, 228, 0.4); }
.nav--dark .menu-btn span { background: var(--cream); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(47, 92, 79, 0.12); }
  50% { box-shadow: 0 0 0 6px rgba(47, 92, 79, 0.04); }
}

.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.menu-btn span {
  position: absolute;
  left: 12px;
  width: 14px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.4s var(--ease), top 0.4s var(--ease);
}
.menu-btn span:first-child { top: 17px; }
.menu-btn span:last-child { top: 22px; }
.menu-btn[aria-expanded="true"] span:first-child { top: 20px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { top: 20px; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: var(--paper);
  padding: 120px var(--pad) 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.mobile-menu.is-open { opacity: 1; transform: none; }
.mobile-menu nav a {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 500;
  line-height: 1.2;
}
.mobile-menu nav em {
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.mobile-menu__foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  padding: 148px 0 84px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 55% at 82% 22%, rgba(47, 92, 79, 0.07), transparent 70%),
    radial-gradient(40% 40% at 8% 88%, rgba(168, 117, 69, 0.05), transparent 70%);
  pointer-events: none;
  transform-origin: 70% 30%;
  will-change: transform;
  animation: ambient 18s ease-in-out infinite alternate;
}
.hero__inner {
  position: relative;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: 56px;
}
.hero__copy { position: relative; z-index: 2; }
.eyebrow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 26px;
}
.eyebrow__line {
  width: 38px;
  height: 1px;
  background: var(--accent);
  opacity: 0.6;
  transform: scaleX(0);
  transform-origin: left;
  animation: line-in 1.2s var(--ease-out) 0.5s forwards;
}
.eyebrow__cn {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: none;
}
.eyebrow__cn::before { content: "·"; margin-right: 8px; color: var(--line-strong); }

.hero__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(58px, 11.5vw, 148px);
  line-height: 0.98;
  letter-spacing: 0.01em;
  display: flex;
  margin: 0;
}
.mask { display: inline-block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.mask__in {
  display: inline-block;
  transform: translateY(115%);
  opacity: 0;
  animation: rise 1.5s var(--ease-out) forwards;
  animation-delay: var(--d, 0s);
}
@keyframes rise {
  55% { opacity: 1; }
  to { transform: translateY(0); opacity: 1; }
}

.hero__latin {
  position: relative;
  width: fit-content;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(30px, 3.5vw, 46px);
  line-height: 1.1;
  color: var(--accent);
  margin-top: 8px;
  letter-spacing: 0.005em;
}
.hero__latin::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 74px;
  height: 1px;
  background: var(--accent);
  opacity: 0.55;
  transform: scaleX(0);
  transform-origin: left;
  animation: line-in 1.3s var(--ease-out) 1.05s forwards;
}
.hero__creed {
  font-family: var(--serif);
  font-size: clamp(19px, 1.55vw, 23px);
  font-weight: 500;
  line-height: 1.8;
  color: var(--ink-2);
  margin-top: 38px;
  max-width: 30em;
}
.hero__lede {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 34em;
  margin-top: 18px;
}
.hero__cta { display: flex; align-items: center; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.hero__meta {
  display: flex;
  gap: 38px;
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  max-width: 560px;
}
.hero__meta dt {
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 6px;
}
.hero__meta dd { font-size: 12.5px; color: var(--ink-2); letter-spacing: 0.02em; }
.hero__meta > div {
  opacity: 0;
  transform: translateY(10px);
  animation: meta-in 0.9s var(--ease-out) forwards;
}
.hero__meta > div:nth-child(1) { animation-delay: 0.86s; }
.hero__meta > div:nth-child(2) { animation-delay: 0.94s; }
.hero__meta > div:nth-child(3) { animation-delay: 1.02s; }
.hero__meta > div:nth-child(4) { animation-delay: 1.1s; }

.reveal-load {
  opacity: 0;
  transform: translateY(22px);
  animation: fade-up 1.25s var(--ease-out) forwards;
  animation-delay: var(--d, 0s);
}
@keyframes fade-up { to { opacity: 1; transform: none; } }

/* ---------- Scientific plate ---------- */

.plate {
  position: relative;
  z-index: 1;
  opacity: 0;
  translate: 0 0;
  will-change: transform, translate;
  animation: fade-in 1.1s var(--ease) 0.28s forwards, plate-float 9s ease-in-out 2.4s infinite alternate;
}
.plate__frame {
  position: relative;
  background: rgba(249, 247, 241, 0.82);
  border: 1px solid var(--line-strong);
  padding: 20px 20px 16px;
  box-shadow: 0 40px 80px -60px rgba(23, 33, 30, 0.45);
  clip-path: inset(0 100% 0 0);
  animation: plate-in 1.5s var(--ease-out) 0.5s forwards;
}
.plate__frame::before,
.plate__frame::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border: 1px solid var(--accent);
  opacity: 0.55;
}
.plate__frame::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.plate__frame::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.plate__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}
.plate__tag {
  border: 1px solid var(--line);
  padding: 2px 7px;
  color: var(--accent);
  letter-spacing: 0.12em;
  white-space: nowrap;
}
.plate__side {
  position: absolute;
  left: -30px;
  top: 2px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--muted);
  white-space: nowrap;
}
.km { width: 100%; height: auto; }
.km__grid,
.km__ticks,
.km__legend,
.km__risk {
  opacity: 0;
  animation: chart-in 1.2s var(--ease) 0.95s forwards;
}
.km__censor line {
  opacity: 0;
  animation: chart-in 0.6s var(--ease) forwards;
}
.km__censor line:nth-child(1) { animation-delay: 2.15s; }
.km__censor line:nth-child(2) { animation-delay: 2.25s; }
.km__censor line:nth-child(3) { animation-delay: 2.35s; }
.km__censor line:nth-child(4) { animation-delay: 2.45s; }
.km__censor line:nth-child(5) { animation-delay: 2.2s; }
.km__censor line:nth-child(6) { animation-delay: 2.3s; }
.km__censor line:nth-child(7) { animation-delay: 2.4s; }
.km__censor line:nth-child(8) { animation-delay: 2.5s; }
.km text {
  font-family: var(--sans);
  font-size: 8.5px;
  letter-spacing: 0.03em;
  fill: var(--muted);
}
.km__grid line { stroke: var(--line); stroke-width: 1; opacity: 0.75; }
.km__ticks > line { stroke: var(--line-strong); stroke-width: 1; }
.km__axis { font-size: 8.5px; letter-spacing: 0.08em; }
.km__curve { fill: none; stroke-linecap: butt; stroke-linejoin: miter; }
.km__curve--a { stroke: var(--accent); stroke-width: 2.2; stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 2.6s var(--ease) 0.85s forwards; }
.km__curve--b { stroke: #6f6557; stroke-width: 1.5; stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 2.6s var(--ease) 1.05s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.km__censor line { stroke: var(--accent); stroke-width: 1.2; }
.km__censor line:nth-child(n + 5) { stroke: #6f6557; }
.km__risk-title { font-size: 8px; letter-spacing: 0.14em; fill: var(--ink-2); text-transform: uppercase; }
.km__risk-sub { font-size: 8.5px; fill: var(--muted); }
.km__risk text:not(.km__risk-title):not(.km__risk-sub) { fill: var(--ink-2); font-size: 9.5px; }
.km__legend text { fill: var(--ink-2); font-size: 8.5px; }
.km__key { stroke-width: 2; }
.km__key--a { stroke: var(--accent); }
.km__key--b { stroke: #6f6557; stroke-width: 1.5; }
.plate__caption {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: 8.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding-top: 10px;
  margin-top: 6px;
  padding-left: 210px;
  border-top: 1px solid var(--line);
  opacity: 0;
  animation: chart-in 1s var(--ease) 1.65s forwards;
}
.plate__chip {
  position: absolute;
  left: 0;
  bottom: -26px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--ink);
  color: var(--paper);
  padding: 14px 20px;
  box-shadow: 0 22px 40px -24px rgba(23, 33, 30, 0.8);
  opacity: 0;
  animation: chip-in 1s var(--ease-out) 1.15s forwards;
}
.plate__chip-num {
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1;
  color: var(--cream);
}
.plate__chip-label {
  font-size: 8px;
  line-height: 1.7;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 241, 234, 0.62);
  padding-left: 13px;
  border-left: 1px solid rgba(244, 241, 234, 0.22);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--muted);
  opacity: 0;
  animation: fade-in 1.2s var(--ease) 1.5s forwards;
}
.scroll-hint i {
  width: 1px;
  height: 38px;
  background: var(--line-strong);
  overflow: hidden;
  position: relative;
}
.scroll-hint i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateY(-100%);
  animation: hint 2.6s var(--ease) infinite;
}
@keyframes hint {
  0% { transform: translateY(-100%); }
  55%, 100% { transform: translateY(100%); }
}

/* ---------- Metrics ---------- */

.metrics {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-raised);
}
.metrics__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric {
  padding: 46px 32px 42px;
  border-left: 1px solid var(--line);
  position: relative;
}
.metric:first-child { border-left: 0; padding-left: 0; }
.metric__num {
  display: flex;
  align-items: flex-start;
  font-family: var(--serif);
  font-size: clamp(44px, 4.6vw, 62px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.metric__num em { font-size: 0.5em; line-height: 1.2; color: var(--accent); margin-left: 3px; }
.metric__label { display: block; font-size: 13px; margin-top: 14px; color: var(--ink-2); }
.metric__note {
  display: block;
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--muted);
  margin-top: 7px;
}

/* ---------- Section shell ---------- */

.section { padding: 140px 0; }
.section__head { margin-bottom: 64px; max-width: 900px; }
.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 26px;
}
.kicker span {
  display: inline-grid;
  place-items: center;
  min-width: 28px;
  height: 22px;
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
  letter-spacing: 0.04em;
  font-size: 9.5px;
}
.kicker::after {
  content: "";
  width: 0;
  height: 1px;
  background: currentColor;
  opacity: 0.35;
  transition: width 1.1s var(--ease-out) 0.2s;
}
[data-reveal].is-visible .kicker::after { width: 56px; }
.display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(40px, 5.2vw, 74px);
  line-height: 1.2;
  letter-spacing: 0.005em;
  color: var(--ink);
  text-wrap: balance;
}
.section__head--split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: end;
  max-width: none;
}
.section__intro {
  font-size: 14px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 360px;
  justify-self: end;
  padding-bottom: 8px;
  border-left: 1px solid var(--line);
  padding-left: 28px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 1.15s var(--ease-out) var(--delay, 0s),
    transform 1.15s var(--ease-out) var(--delay, 0s);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- About ---------- */

.about__grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 72px;
  align-items: start;
}
.about__body .lead {
  font-size: 17px;
  line-height: 2.05;
  color: var(--ink-2);
}
.about__body .lead::before {
  content: "";
  display: block;
  width: 0;
  height: 1px;
  background: var(--accent);
  margin-bottom: 26px;
  transition: width 1.1s var(--ease-out) 0.35s;
}
.about__body.is-visible .lead::before { width: 46px; }
.about__body > p + p {
  font-size: 13.5px;
  line-height: 2;
  color: var(--muted);
  margin-top: 24px;
}
.about__body strong { font-weight: 500; color: var(--ink); }
.about__focus {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.focus__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--accent);
}
.focus h3 { font-size: 13.5px; font-weight: 500; margin-top: 9px; color: var(--ink); }
.focus p { font-size: 11.5px; line-height: 1.75; color: var(--muted); margin-top: 5px; }
.focus {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.about__body.is-visible .focus { opacity: 1; transform: none; }
.about__body.is-visible .focus:nth-child(1) { transition-delay: 0.45s; }
.about__body.is-visible .focus:nth-child(2) { transition-delay: 0.58s; }
.about__body.is-visible .focus:nth-child(3) { transition-delay: 0.71s; }

.career { margin-top: 64px; padding-top: 26px; border-top: 1px solid var(--line-strong); }
.career__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}
.career__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.career__label::before {
  content: "";
  width: 0;
  height: 1px;
  background: var(--accent);
  opacity: 0.6;
  transition: width 1s var(--ease-out) 0.2s;
}
.career.is-visible .career__label::before { width: 26px; }
.career__note {
  font-size: 8.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.career__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  list-style: none;
}
.career__item {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.career.is-visible .career__item { opacity: 1; transform: none; }
.career.is-visible .career__item:nth-child(1) { transition-delay: 0.22s; }
.career.is-visible .career__item:nth-child(2) { transition-delay: 0.34s; }
.career.is-visible .career__item:nth-child(3) { transition-delay: 0.46s; }
.career__item::before {
  content: "";
  position: absolute;
  top: -2px; left: 0;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.career__year {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.career__body h3 {
  margin-top: 8px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.15;
}
.career__body h3 span {
  margin-left: 5px;
  font-family: var(--sans);
  font-size: 7.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  vertical-align: 3px;
}
.career__role { margin-top: 8px; font-size: 12px; color: var(--ink-2); }
.career__region { margin-top: 4px; font-size: 9.5px; letter-spacing: 0.06em; color: var(--muted); }

.coverage {
  position: relative;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, rgba(249, 247, 241, 0.9), rgba(236, 231, 220, 0.55));
  padding: 34px 32px 28px;
}
.coverage__label {
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.coverage__place {
  font-family: var(--serif);
  font-size: 52px;
  line-height: 1.08;
  margin-top: 20px;
}
.coverage__region {
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 6px;
}
.coverage__rule {
  height: 1px;
  background: var(--line);
  margin: 24px 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s var(--ease-out) 0.3s;
}
.coverage.is-visible .coverage__rule { transform: scaleX(1); }
.coverage__text { font-size: 12.5px; line-height: 1.95; color: var(--ink-2); }
.coverage__map { margin-top: 18px; opacity: 0.8; }
.coverage__map svg { width: 100%; height: auto; }
.coverage__map path {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  stroke-dashoffset: 80;
  transition: stroke-dashoffset 1.8s var(--ease-out) 0.35s;
}
.coverage.is-visible .coverage__map path { stroke-dashoffset: 0; }
.coverage__link--soft { opacity: 0.35; stroke-dasharray: 2 5; }
.coverage__map circle {
  fill: var(--accent);
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0);
  transition: transform 0.7s var(--ease-out);
}
.coverage.is-visible .coverage__map circle {
  transform: scale(1);
  animation: node-pulse 3.8s var(--ease) 2s infinite;
}
.coverage__map circle:nth-of-type(2) { transition-delay: 0.12s; }
.coverage__map circle:nth-of-type(3) { transition-delay: 0.24s; }
.coverage__map text {
  font-family: var(--sans);
  font-size: 8.5px;
  fill: var(--muted);
  letter-spacing: 0.08em;
  opacity: 0;
  transition: opacity 0.8s var(--ease-out) 0.8s;
}
.coverage.is-visible .coverage__map text { opacity: 1; }

/* ---------- Expertise ---------- */

.expertise {
  background: var(--paper-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.skills {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  padding-top: 46px;
  border-top: 1px solid var(--line-strong);
}
.skill-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 12px;
  margin-bottom: 26px;
}
.skill-group__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
}
.skill-group__head h3 {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  line-height: 1.1;
}
.skill-group__en {
  grid-column: 2;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-top: 6px;
}
.skill { margin-bottom: 22px; }
.skill__name { font-size: 13px; color: var(--ink-2); transition: color 0.3s var(--ease); }
.skill > .skill__name,
.skill > .skill__val { display: inline; }
.skill { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; row-gap: 0; }
.skill__val {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  transition: color 0.3s var(--ease);
}
.skill__track {
  flex-basis: 100%;
  height: 1px;
  background: var(--line);
  margin-top: 10px;
  position: relative;
}
.skill__track i {
  position: absolute;
  left: 0;
  top: 0;
  height: 1px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 1.5s var(--ease) 0.15s;
}
.skill__track i::after {
  content: "";
  position: absolute;
  right: -2px;
  top: -1.5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.5s var(--ease) 1.3s;
}
.skill-group.is-visible .skill__track i { transform: scaleX(var(--v)); }
.skill-group.is-visible .skill__track i::after { opacity: 1; }
.skill:hover .skill__name { color: var(--ink); }
.skill:hover .skill__val { color: var(--accent); }

/* ---------- Research ---------- */

.subhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 16px;
}
.subhead h3 {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 500;
  line-height: 1;
}
.subhead h3 span {
  font-family: var(--sans);
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-left: 14px;
  vertical-align: 3px;
}
.subhead__count {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.pub__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 56px;
}
.paper {
  border-top: 1px solid var(--line);
  padding: 26px 0 30px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.paper__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.paper__index {
  font-family: var(--serif);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--accent);
}
.paper__journal { color: var(--ink-2); }
.paper__year { margin-left: auto; font-variant-numeric: tabular-nums; }
.paper__title {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.42;
  margin-top: 16px;
  color: var(--ink);
  transition: color 0.35s var(--ease);
}
.paper__title a { transition: color 0.35s var(--ease); }
.paper:hover .paper__title { color: var(--accent); }
.paper__foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 20px;
}
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span {
  font-size: 9px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}
.paper__arrow {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease),
    transform 0.4s var(--ease);
}
.paper__arrow .ico { width: 13px; height: 13px; }
.paper:hover .paper__arrow {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  transform: translate(2px, -2px);
}

/* Congress timeline */

.congress { margin-top: 104px; }
.congress__hint {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin: 16px 0 4px;
}
.year {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 40px;
  padding: 34px 0 6px;
  border-top: 1px solid var(--line-strong);
  margin-top: 22px;
}
.year__rail {
  position: sticky;
  top: 116px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.year__num {
  font-family: var(--serif);
  font-size: 58px;
  font-weight: 500;
  line-height: 0.9;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.year.is-visible .year__num { animation: year-in 1s var(--ease-out) 0.1s both; }
.year.is-visible .year__meta { animation: fade-in 0.9s var(--ease) 0.28s both; }
.year__meta {
  font-size: 8.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.conf { border-bottom: 1px solid var(--line); }
.conf:last-child { border-bottom: 0; }
.conf__head {
  width: 100%;
  display: grid;
  grid-template-columns: 142px 1fr 156px 26px;
  gap: 20px;
  align-items: start;
  padding: 24px 0;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
}
.conf__id { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; padding-top: 3px; }
.conf__name {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.conf__flag {
  font-size: 7.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 2px 6px;
  background: var(--accent);
  color: var(--paper);
}
.conf__flag--new { background: var(--copper); }
.conf__main { display: block; }
.conf__title {
  display: block;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
  transition: color 0.35s var(--ease);
}
.conf__place {
  display: block;
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-top: 7px;
}
.conf__summary {
  display: block;
  max-width: 62ch;
  margin-top: 10px;
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
  line-height: 1.7;
  color: var(--ink-2);
}
.conf__paper { font-size: 13px; line-height: 1.8; color: var(--ink-2); }
.conf__fpn {
  display: inline-block;
  margin-left: 10px;
  padding: 2px 7px;
  font-family: var(--sans);
  font-size: 8.5px;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(47, 92, 79, 0.35);
  white-space: nowrap;
  vertical-align: 1px;
}
.conf__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.conf__tags span {
  font-size: 8.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
}
.conf__side { text-align: right; padding-top: 2px; }
.conf__count {
  display: block;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.2;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.conf__types {
  display: block;
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 5px;
}
.conf__plus {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  justify-self: end;
}
.conf__plus i {
  position: absolute;
  background: var(--ink-2);
  transition: transform 0.45s var(--ease), opacity 0.45s var(--ease);
}
.conf__plus i:first-child { left: 3px; right: 3px; top: 10px; height: 1px; }
.conf__plus i:last-child { top: 3px; bottom: 3px; left: 10px; width: 1px; }
.conf.is-open .conf__plus i:last-child { transform: scaleY(0); opacity: 0; }
.conf.is-open .conf__title { color: var(--accent); }
.conf__head:hover .conf__title { color: var(--accent); }

.conf--featured .conf__head {
  background: linear-gradient(90deg, rgba(221, 230, 223, 0.5), transparent 72%);
  padding-left: 16px;
  margin-left: -16px;
  padding-right: 16px;
}
.conf__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.65s var(--ease-out);
}
.conf__panel > .conf__panel-inner { overflow: hidden; }
.conf.is-open .conf__panel { grid-template-rows: 1fr; }
.conf__panel-inner { padding: 0 0 0 162px; }
.conf__panel-inner > *:first-child { margin-top: 0; }
.conf__panel-inner > * {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.conf.is-open .conf__panel-inner > * { opacity: 1; transform: none; }
.conf.is-open .conf__panel-inner > *:nth-child(2) { transition-delay: 0.1s; }
.conf__list { padding-bottom: 6px; }
.conf__list li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.conf__list li:last-child { border-bottom: 1px solid var(--line); }
.type {
  font-size: 7.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(47, 92, 79, 0.35);
  padding: 3px 6px;
  text-align: center;
  margin-top: 2px;
  white-space: nowrap;
}
.type--oral { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.conf__list a {
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-2);
  transition: color 0.3s var(--ease);
}
.conf__list a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.conf__site {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  margin-bottom: 6px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.conf__site .ico { width: 12px; height: 12px; transition: transform 0.35s var(--ease); }
.conf__site:hover .ico { transform: translate(2px, -2px); }

/* ---------- Voices ---------- */

.voices { background: var(--paper-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.slider { padding-top: 46px; border-top: 1px solid var(--line-strong); }
.slider__stage { display: grid; }
.voice {
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(24px) scale(0.995);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  pointer-events: none;
}
.voice.is-active { opacity: 1; transform: none; pointer-events: auto; }
.voice blockquote {
  position: relative;
  font-family: var(--serif);
  font-size: clamp(21px, 2.2vw, 29px);
  font-weight: 500;
  line-height: 1.85;
  color: var(--ink);
  max-width: 980px;
  text-wrap: pretty;
}
.voice blockquote::before {
  content: "“";
  position: absolute;
  left: -0.52em;
  top: -0.32em;
  font-family: var(--serif);
  font-size: 3.2em;
  line-height: 1;
  color: var(--accent);
  opacity: 0.18;
  pointer-events: none;
}
.voice.is-active blockquote::before { animation: quote-in 0.9s var(--ease-out) 0.15s both; }
.voice figcaption { display: flex; align-items: center; gap: 16px; margin-top: 38px; }
.voice__mono {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--accent);
  flex: none;
}
.voice__who strong { display: block; font-size: 13px; font-weight: 500; color: var(--ink); }
.voice__who span { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; letter-spacing: 0.02em; }
.slider__bar {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 44px;
}
.slider__count {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  min-width: 48px;
}
.slider__track {
  position: relative;
  flex: 1;
  height: 1px;
  background: var(--line-strong);
  overflow: hidden;
}
.slider__track i {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0.3333);
  transform-origin: left center;
  transition: transform 0.6s var(--ease-out);
}
.slider__nav { display: flex; gap: 10px; }

/* ---------- Contact ---------- */

.contact {
  background: var(--night);
  color: var(--cream);
  padding-top: 128px;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(52% 55% at 88% 8%, rgba(47, 92, 79, 0.35), transparent 70%),
    radial-gradient(38% 45% at 4% 92%, rgba(168, 117, 69, 0.1), transparent 70%);
  pointer-events: none;
}
.contact .wrap { position: relative; }
.kicker--light { color: var(--accent-soft); }
.kicker--light span { border-color: rgba(242, 238, 228, 0.24); color: rgba(242, 238, 228, 0.7); }
.display--light { color: var(--cream); }
.contact__grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 80px;
  margin-top: 64px;
}
.contact__intro p {
  font-size: 14px;
  line-height: 2;
  color: rgba(242, 238, 228, 0.6);
  max-width: 400px;
}
.contact__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(242, 238, 228, 0.58);
}
.contact__dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent-soft); opacity: 0.7; }
.contact__mail {
  display: inline-flex;
  font-variant-numeric: lining-nums;
  align-items: center;
  gap: 12px;
  margin-top: 42px;
  font-family: var(--serif);
  font-size: clamp(23px, 2.4vw, 33px);
  line-height: 1.2;
  color: var(--cream);
  border-bottom: 1px solid rgba(242, 238, 228, 0.28);
  padding-bottom: 8px;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.contact__mail .ico { width: 20px; height: 20px; transition: transform 0.28s var(--ease); }
.contact__mail:hover { color: var(--accent-soft); border-color: var(--accent-soft); }
.contact__mail:hover .ico { transform: translate(3px, -3px); }

.contact__list { border-top: 1px solid rgba(242, 238, 228, 0.16); }
.contact__row {
  width: 100%;
  display: grid;
  grid-template-columns: 36px 128px 1fr 20px;
  align-items: center;
  gap: 18px;
  padding: 21px 0;
  border: 0;
  border-bottom: 1px solid rgba(242, 238, 228, 0.16);
  background: transparent;
  text-align: left;
  cursor: pointer;
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.8s var(--ease-out) var(--delay, 0s),
    transform 0.8s var(--ease-out) var(--delay, 0s),
    translate 0.28s var(--ease),
    background-color 0.28s var(--ease);
}
.contact__list.is-visible .contact__row { opacity: 1; transform: none; }
.contact__list.is-visible .contact__row:nth-child(1) { --delay: 0.1s; }
.contact__list.is-visible .contact__row:nth-child(2) { --delay: 0.2s; }
.contact__list.is-visible .contact__row:nth-child(3) { --delay: 0.3s; }
.contact__list.is-visible .contact__row:nth-child(4) { --delay: 0.4s; }
.contact__row:hover { translate: 10px 0; background: rgba(242, 238, 228, 0.035); }
.contact__row:active {
  translate: 5px 0;
  background: rgba(242, 238, 228, 0.06);
  transition: translate 0.12s var(--ease), background-color 0.12s var(--ease);
}
.contact__icon { color: var(--accent-soft); opacity: 0.72; display: grid; place-items: center; }
.contact__icon .ico { width: 17px; height: 17px; }
.contact__label {
  font-size: 12.5px;
  color: rgba(242, 238, 228, 0.82);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.contact__label em {
  font-size: 7.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(242, 238, 228, 0.52);
}
.contact__value {
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: rgba(242, 238, 228, 0.58);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.contact__go { width: 15px; height: 15px; opacity: 0.4; justify-self: end; transition: opacity 0.35s var(--ease), transform 0.35s var(--ease); }
.contact__row:hover .contact__go { opacity: 1; transform: translate(2px, -2px); }
.contact__go--copy {
  font-size: 7.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid rgba(242, 238, 228, 0.24);
  padding: 4px 7px;
  white-space: nowrap;
}

.footer { border-top: 1px solid rgba(242, 238, 228, 0.14); margin-top: 96px; position: relative; }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 26px;
  padding-bottom: 30px;
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: rgba(242, 238, 228, 0.52);
}
.footer__note { text-align: center; }
.footer__top {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(242, 238, 228, 0.62);
  transition: color 0.35s var(--ease);
  white-space: nowrap;
}
.footer__top .ico { width: 13px; height: 13px; }
.footer__top:hover { color: var(--cream); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translate(-50%, 12px);
  z-index: 350;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 12px 22px;
  font-size: 12px;
  letter-spacing: 0.02em;
  box-shadow: 0 20px 50px -24px rgba(23, 33, 30, 0.5);
  opacity: 0;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */

@media (max-width: 1180px) {
  .nav__status { display: none; }
  .plate__side { display: none; }
  .hero__inner { gap: 40px; }
  .section__head--split { gap: 44px; }
  .skills { grid-template-columns: 1fr 1fr; gap: 48px 56px; }
}

@media (max-width: 1024px) {
  :root { --pad: 30px; }
  .nav__links { gap: 22px; }
  .hero { padding-top: 136px; }
  .skills { gap: 40px; }
  .about__grid { gap: 48px; }
  .contact__grid { gap: 56px; }
  .conf__head { grid-template-columns: 126px 1fr 132px 24px; gap: 16px; }
  .conf__panel-inner { padding-left: 142px; }
}

@media (max-width: 920px) {
  .nav__links { display: none; }
  .menu-btn { display: block; }
  .nav__actions .btn { display: none; }
  .hero { min-height: 0; padding: 128px 0 78px; }
  .hero__inner { grid-template-columns: 1fr; gap: 64px; }
  .hero__copy { max-width: 640px; }
  .hero__meta { margin-top: 42px; }
  .plate { max-width: 620px; width: 100%; margin: 0 auto; }
  .scroll-hint { display: none; }
  .metrics__grid { grid-template-columns: 1fr 1fr; }
  .metric { padding: 36px 28px; }
  .metric:first-child { padding-left: 28px; }
  .metric:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .metric:nth-child(4) { border-top: 1px solid var(--line); }
  .section { padding: 104px 0; }
  .section__head--split { grid-template-columns: 1fr; gap: 28px; }
  .section__intro { justify-self: start; max-width: 520px; padding-bottom: 0; }
  .about__grid { grid-template-columns: 1fr; }
  .coverage { max-width: 560px; }
  .skills { grid-template-columns: 1fr 1fr; gap: 40px 48px; }
  .pub__grid { grid-template-columns: 1fr; column-gap: 0; }
  .paper { min-height: 0; }
  .year { grid-template-columns: 1fr; gap: 0; }
  .year__rail {
    position: static;
    flex-direction: row;
    align-items: baseline;
    gap: 16px;
    padding: 12px 0 4px;
  }
  .year__num { font-size: 44px; }
  .conf__panel-inner { padding-left: 0; }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__intro { max-width: 560px; }
  .footer__inner { flex-wrap: wrap; }
  .footer__note { order: 3; text-align: left; flex-basis: 100%; }
}

@media (max-width: 720px) {
  :root { --pad: 22px; }
  .nav__inner { height: 72px; }
  .brand__role { display: none; }
  .brand__name { font-size: 17px; }
  .brand__mark { width: 32px; height: 32px; font-size: 17px; }
  .hero { padding-top: 112px; padding-bottom: 66px; }
  .eyebrow { font-size: 8.5px; letter-spacing: 0.16em; row-gap: 7px; }
  .eyebrow__cn { flex-basis: 100%; margin-left: 50px; font-size: 9px; }
  .eyebrow__cn::before { content: none; }
  .hero__title { font-size: clamp(56px, 17vw, 92px); }
  .hero__creed { margin-top: 30px; }
  .br-desk { display: none; }
  .hero__cta { gap: 20px; }
  .hero__meta { gap: 24px; flex-wrap: wrap; }
  .hero__meta > div { min-width: 40%; }
  .hero__latin::after { width: 54px; }
  [data-reveal] { transform: translateY(24px); }
  .career__note { font-size: 7.5px; letter-spacing: 0.1em; text-align: right; }
  .plate__frame { padding: 15px 14px 13px; }
  .plate__head { font-size: 7.5px; letter-spacing: 0.1em; }
  .plate__caption { font-size: 7.5px; flex-wrap: wrap; gap: 4px 12px; padding-left: 0; }
  .plate__chip {
    position: static;
    width: max-content;
    margin-top: 14px;
    padding: 11px 15px;
    gap: 10px;
    box-shadow: 0 16px 30px -22px rgba(23, 33, 30, 0.7);
  }
  .plate__chip-num { font-size: 27px; }
  .plate__chip-label { font-size: 7px; }
  .km text { font-size: 9.5px; }
  .metric { padding: 28px 18px; }
  .metric:first-child { padding-left: 18px; }
  .metrics__grid { grid-template-columns: 1fr 1fr; }
  .metric__note { display: none; }
  .section { padding: 88px 0; }
  .section__head { margin-bottom: 44px; }
  .display { font-size: clamp(36px, 9.6vw, 56px); }
  .kicker { margin-bottom: 20px; }
  .about__focus { grid-template-columns: 1fr; gap: 18px; }
  .focus { display: grid; grid-template-columns: 26px 1fr; align-items: baseline; }
  .focus h3 { margin-top: 0; }
  .focus p { grid-column: 2; }
  .career { margin-top: 48px; padding-top: 22px; }
  .career__head { margin-bottom: 22px; }
  .career__list { grid-template-columns: 1fr; gap: 24px; }
  .coverage { padding: 26px 22px 22px; }
  .coverage__place { font-size: 44px; }
  .skills { grid-template-columns: 1fr; gap: 38px; padding-top: 30px; }
  .subhead h3 { font-size: 24px; }
  .subhead h3 span { display: block; margin: 6px 0 0; }
  .paper { padding: 22px 0 24px; }
  .paper__title { font-size: 19px; }
  .congress { margin-top: 78px; }
  .year { padding-top: 26px; }
  .conf__head {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "id plus"
      "main main"
      "side side";
    gap: 10px 14px;
    padding: 20px 0;
  }
  .conf__id { grid-area: id; flex-direction: row; align-items: center; }
  .conf__main { grid-area: main; }
  .conf__side {
    grid-area: side;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    text-align: left;
    margin-top: 4px;
  }
  .conf__plus { grid-area: plus; align-self: center; }
  .conf__title { font-size: 19px; }
  .conf--featured .conf__head { padding-left: 12px; margin-left: -12px; padding-right: 12px; }
  .conf__list li { grid-template-columns: 58px 1fr; gap: 12px; }
  .conf__list a { font-size: 12px; }
  .voice blockquote { font-size: 20px; }
  .voice blockquote::before { left: -0.3em; }
  .slider__bar { gap: 16px; margin-top: 32px; }
  .slider__track { display: none; }
  .slider__nav { margin-left: auto; }
  .round-btn { width: 42px; height: 42px; }
  .contact { padding-top: 92px; }
  .contact__grid { margin-top: 44px; gap: 44px; }
  .contact__mail { font-size: 21px; }
  .contact__row { grid-template-columns: 28px 96px 1fr 16px; gap: 12px; padding: 18px 0; }
  .contact__value { font-size: 10.5px; }
  .contact__label { font-size: 11.5px; }
  .footer { margin-top: 64px; }
  .footer__inner { font-size: 9px; }
  .mobile-menu nav a { font-size: 30px; }
}

@media (max-width: 420px) {
  .hero__title { font-size: 54px; }
  .hero__latin { font-size: 28px; }
  .hero__creed { font-size: 18px; }
  .hero__lede { font-size: 13.5px; }
  .hero__cta .btn { padding: 13px 22px; }
  .metric__num { font-size: 40px; }
  .contact__row { grid-template-columns: 24px 84px 1fr; }
  .contact__go { display: none; }
  .contact__go--copy { display: inline-block; justify-self: start; margin-top: 4px; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  /* Tier 1 — strip parallax, drift, draw-on and large transforms */
  .nav { animation: none; transition: background-color 0.15s linear, border-color 0.15s linear; }
  .nav__status i { animation: none; }
  .hero::before { animation: none; will-change: auto; }
  .eyebrow__line,
  .hero__latin::after { animation: none; transform: none; }
  .mask__in { animation: none; opacity: 1; transform: none; }
  .reveal-load,
  .hero__meta > div { animation: none; opacity: 1; transform: none; }
  .plate { animation: none; opacity: 1; translate: none; will-change: auto; }
  .plate__frame { animation: none; clip-path: none; }
  .plate__chip,
  .plate__caption,
  .km__grid,
  .km__ticks,
  .km__legend,
  .km__risk,
  .km__censor line,
  .scroll-hint { animation: none; opacity: 1; }
  .km__curve { animation: none; stroke-dashoffset: 0; }
  .scroll-hint i::after { animation: none; transform: none; }
  .coverage__map circle { animation: none; }
  .year.is-visible .year__num,
  .year.is-visible .year__meta { animation: none; }
  .voice.is-active blockquote::before { animation: none; opacity: 0.18; transform: none; }

  [data-reveal],
  .focus,
  .career__item,
  .contact__row,
  .conf__panel-inner > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .conf__panel { transition: none; }
  .conf__plus i { transition: none; }
  .about__body .lead::before { width: 46px; transition: none; }
  .career__label::before { width: 26px; transition: none; }
  .kicker::after { width: 56px; transition: none; }
  .coverage__rule { transform: none; transition: none; }
  .coverage__map path { stroke-dashoffset: 0; transition: none; }
  .coverage__map circle { transform: none; opacity: 1; transition: none; }
  .coverage__map text { opacity: 1; transition: none; }
  .skill__track i { transform: scaleX(var(--v)); transition: none; }
  .skill__track i::after { opacity: 1; transition: none; }
  .slider__track i { transition: none; }

  /* Tier 2 — cross-fade tiny state changes instead of sliding */
  .contact__row { transition: background-color 0.15s linear; }
  .contact__row:hover,
  .contact__row:active { translate: none; }
  .contact__go { transition: opacity 0.15s linear; }
  .contact__go,
  .contact__row:hover .contact__go,
  .link-arrow:hover .ico,
  .contact__mail:hover .ico,
  .conf__site:hover .ico,
  .footer__top:hover .ico { transform: none; }
  .mobile-menu { transform: none; transition: opacity 0.18s linear; }
  .voice { transform: none; transition: opacity 0.15s linear; }
  .toast { transform: translate(-50%, 0); transition: opacity 0.15s linear; }
  .nav__links a::after {
    transform: scaleX(1);
    opacity: 0;
    transition: opacity 0.15s linear;
  }
  .nav__links a.is-active::after,
  .nav__links a:hover::after { opacity: 1; }

  /* Tier 3 — keep color, focus and opacity feedback, remove lift/scale */
  .btn--ink:hover,
  .btn:active,
  .round-btn:active { transform: none; box-shadow: none; }
  .menu-btn span { transition: none; }
  .skip { transition: none; }
}