styles-soft.css

/* ================= ROOT — SOFT TECH ================= */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #fbfbfc;
  --ink: #0e1116;
  --ink-2: #3b424d;
  --ink-3: #6b7280;
  --ink-4: #9ca3af;
  --line: #e6e8ee;
  --line-soft: #eef0f4;

  --nu: #5b32a6;          /* NU purple, brightened slightly for soft-tech context */
  --nu-deep: #4E2A84;
  --nu-soft: #d8cce8;
  --nu-tint: rgba(91, 50, 166, 0.08);
  --nu-tint-2: rgba(91, 50, 166, 0.14);

  --sans: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;

  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 10px;

  --shadow-sm: 0 1px 2px rgba(14,17,22,0.04), 0 1px 3px rgba(14,17,22,0.04);
  --shadow-md: 0 2px 4px rgba(14,17,22,0.04), 0 12px 28px -10px rgba(14,17,22,0.10);
  --shadow-lg: 0 4px 8px rgba(14,17,22,0.04), 0 24px 48px -14px rgba(14,17,22,0.14);

  --max: 1180px;
  --pad: 48px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01' on, 'cv11' on;
}

.mono { font-family: var(--mono); }

/* Inline emphasis (no italic in soft-tech) */
.em-only,
em.em-only,
.intro-para em,
.philosophy em,
.q p em,
.world-title em,
.world-text > p em,
.contact-sub em,
.contact-h em,
.p-body em,
.principles h3 em {
  font-family: var(--sans);
  font-style: normal;
  color: var(--nu);
  font-weight: 500;
}

a.em-link {
  color: var(--nu);
  text-decoration: none;
  border-bottom: 1px solid var(--nu-soft);
  padding-bottom: 1px;
  transition: border-color 0.18s ease, color 0.18s ease;
}
a.em-link:hover { color: var(--nu-deep); border-bottom-color: var(--nu); }

/* ================= CURSOR — spring trail ================= */
.cursor-dot, .cursor-trail {
  position: fixed;
  top: 0; left: 0;
  border-radius: 50%;
  background: var(--nu);
  pointer-events: none;
  z-index: 1000;
  will-change: transform;
  transform: translate(-9999px, -9999px);
  mix-blend-mode: multiply;
}
.cursor-dot   { width: 10px; height: 10px; margin: -5px 0 0 -5px; }
.cursor-trail { background: var(--nu); }
.cursor-trail.t1 { width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; opacity: 0.55; }
.cursor-trail.t2 { width: 5px; height: 5px; margin: -2.5px 0 0 -2.5px; opacity: 0.32; }
.cursor-trail.t3 { width: 4px; height: 4px; margin: -2px   0 0 -2px;   opacity: 0.18; }
.cursor-dot, .cursor-trail { transition: opacity 0.25s ease, width 0.2s ease, height 0.2s ease; }
.cursor-dot.hover { width: 28px; height: 28px; margin: -14px 0 0 -14px; opacity: 0.35; }
.cursor-dot.hidden, .cursor-trail.hidden { opacity: 0 !important; }
@media (hover: none) { .cursor-dot, .cursor-trail { display: none; } }

/* ================= HERO DOT GRID ================= */
.opening { position: relative; }
.hero-dots {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}
.hero { position: relative; z-index: 1; }

/* ================= NAV ================= */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 249, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.top-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.005em;
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--nu);
  box-shadow: 0 0 0 4px var(--nu-tint);
}

.nav {
  display: flex;
  gap: 2px;
  flex: 1;
  justify-content: center;
}
.nav a {
  text-decoration: none;
  color: var(--ink-2);
  font-size: 13.5px;
  padding: 7px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.18s ease, background 0.18s ease;
}
.nav a:hover { color: var(--ink); background: var(--surface); }
.nav a .n {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
}

.icons { display: flex; gap: 4px; }
.icons a {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  color: var(--ink-2);
  transition: color 0.18s ease, background 0.18s ease;
}
.icons a:hover { color: var(--nu); background: var(--surface); }
.icons svg { width: 16px; height: 16px; }

/* ================= LAYOUT ================= */
main { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: 140px 0 60px; position: relative; }

/* ================= SECTION HEADER ================= */
.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
  position: relative;
}
.section-head .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--nu);
  letter-spacing: 0.02em;
  background: var(--nu-tint);
  padding: 5px 10px;
  border-radius: 999px;
}
.section-title {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
}
.section-lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: -16px 0 56px;
  max-width: 680px;
  font-weight: 400;
}

/* ================= 01 OPENING ================= */
.opening { padding: 72px 0 80px; position: relative; }
.hero {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}

.portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-image: url('photo.jpg');
  background-size: cover;
  background-position: center top;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.hero-text { padding-top: 4px; }

.philosophy {
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0 0 40px;
  color: var(--ink);
  max-width: 720px;
}
.philosophy .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.04em;
}
.philosophy .line > span {
  display: inline-block;
  transform: translateY(105%);
  opacity: 0;
  animation: rise 1.1s cubic-bezier(.2,.7,.15,1) forwards;
}
.philosophy .line:nth-child(1) > span { animation-delay: 0.15s; }
.philosophy .line:nth-child(2) > span { animation-delay: 0.35s; }
.philosophy .line:nth-child(3) > span { animation-delay: 0.55s; }
@keyframes rise { to { transform: translateY(0); opacity: 1; } }

.name-line {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 20px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  opacity: 0;
  animation: fadein 0.7s ease 0.95s forwards;
}
.name-line .zh {
  color: var(--ink-3);
  font-weight: 400;
  letter-spacing: 0.18em;
  font-size: 15px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadein 0.7s ease 1.1s forwards;
}
.tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--nu);
  background: var(--nu-tint);
  padding: 7px 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  transition: background 0.18s ease;
}
.tag:hover { background: var(--nu-tint-2); }

.intro-para {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0 0 32px;
  max-width: 620px;
  opacity: 0;
  animation: fadein 0.8s ease 1.3s forwards;
}

.status {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 16px 7px 13px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  animation: fadein 0.7s ease 1.5s forwards;
}
.status .pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: #34c896;
  box-shadow: 0 0 0 4px rgba(52,200,150,0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(52,200,150,0.18); }
  50%      { box-shadow: 0 0 0 8px rgba(52,200,150,0.04); }
}
@keyframes fadein { to { opacity: 1; } }

/* ================= 02 QUESTIONS ================= */
.questions-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}
.q {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 22px;
  align-items: baseline;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 30px 24px;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.85s cubic-bezier(.2,.7,.15,1),
    transform 0.85s cubic-bezier(.2,.7,.15,1),
    box-shadow 0.25s ease,
    border-color 0.25s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.q::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%),
    var(--nu-tint-2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}
.q:hover::before { opacity: 1; }
.q > * { position: relative; z-index: 1; }
.q.in { opacity: 1; transform: translateY(0); }
.q:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--nu-soft);
}

.q-num {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--nu);
  background: var(--nu-tint);
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-weight: 500;
}
.q p {
  margin: 0;
  font-size: clamp(20px, 1.9vw, 26px);
  line-height: 1.4;
  letter-spacing: -0.015em;
  font-weight: 500;
  color: var(--ink);
}
.q-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--nu);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.18s ease;
}
.q-link:hover { color: var(--nu-deep); }
.q-link::after {
  content: " →";
  transition: padding-left 0.2s ease;
  display: inline-block;
}
.q-link:hover::after { padding-left: 4px; }

/* ================= 03 WORLDS ================= */
.worlds {
  display: flex;
  flex-direction: column;
  gap: 28px;
  perspective: 1400px;
}
.world {
  --rx: 0deg;
  --ry: 0deg;
  --lift: 0px;
  display: grid;
  grid-template-columns: 0.95fr 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transform: translateY(var(--lift)) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform 0.5s cubic-bezier(.2,.7,.15,1), box-shadow 0.3s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.world:hover { --lift: -2px; box-shadow: var(--shadow-md); }
.world.tilting { transition: transform 0.08s ease, box-shadow 0.3s ease; }
.world.reverse > .world-text { order: 2; }
.world.reverse > .world-project { order: 1; }

.world-text {
  display: flex; flex-direction: column; gap: 18px;
  padding: 44px 44px 40px;
  justify-content: center;
}
.world-num {
  display: inline-flex; align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--nu);
  background: var(--nu-tint);
  padding: 4px 10px;
  border-radius: 999px;
  align-self: flex-start;
  letter-spacing: 0.02em;
}
.world-title {
  font-size: clamp(28px, 2.8vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0;
  font-weight: 600;
  color: var(--ink);
}
.world-text > p {
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.65;
  margin: 0;
  max-width: 440px;
}

.world-project {
  display: flex;
  flex-direction: column;
  background: var(--surface-2);
  padding: 32px;
  gap: 18px;
  border-left: 1px solid var(--line-soft);
}
.world.reverse > .world-project {
  border-left: 0;
  border-right: 1px solid var(--line-soft);
}

.screenshot {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(180deg, #fff 0%, #f8f9fb 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-sm);
}

/* PaperMind mock */
.pm-mock { display: flex; height: 100%; background: #fff; }
.pm-side {
  width: 36%;
  padding: 12px;
  background: var(--surface-2);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 6px;
}
.pm-side .pm-url {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-3);
}
.pm-pdf {
  flex: 1;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  font-size: 7px;
  color: var(--ink-3);
  line-height: 1.5;
  overflow: hidden;
}
.pm-pdf .t {
  font-size: 9px;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.2;
}
.pm-main { flex: 1; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.pm-dim {
  display: flex; gap: 12px;
  padding: 5px 0;
  border-bottom: 1px dashed var(--line-soft);
  align-items: baseline;
}
.pm-dim-k {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--nu);
  width: 78px; flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pm-dim-v { font-size: 10.5px; color: var(--ink-2); line-height: 1.4; }
.pm-cursor {
  display: inline-block; width: 4px; height: 10px;
  background: var(--ink);
  transform: translateY(2px);
  animation: blink 1s infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* K-Expression mock */
.ke-mock {
  background: linear-gradient(180deg, #fff 0%, #f7f8fb 100%);
  padding: 16px 18px;
  display: flex; gap: 14px;
  height: 100%;
}
.ke-l { flex: 1; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.ke-h {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.ke-q {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.35;
  font-weight: 500;
}
.ke-q em {
  background: var(--nu-tint);
  color: var(--nu);
  padding: 1px 4px;
  border-radius: 4px;
}
.ke-b {
  background: #fff; border: 1px solid var(--line);
  padding: 6px 10px; border-radius: 10px;
  font-size: 11px; color: var(--ink-2);
  max-width: 78%;
  line-height: 1.4;
}
.ke-b.user {
  align-self: flex-end;
  background: var(--ink); color: #fff;
  border-color: var(--ink);
}
.ke-fb {
  font-size: 10.5px;
  color: var(--nu);
  background: var(--nu-tint);
  padding: 6px 10px;
  border-radius: 8px;
  line-height: 1.4;
}
.ke-r {
  width: 90px;
  border-left: 1px solid var(--line);
  padding-left: 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.ke-loop {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  padding: 1px 0;
  letter-spacing: 0.02em;
}
.ke-loop.act { color: var(--nu); font-weight: 500; }
.ke-loop.act::before { content: "›  "; }

/* CrossPan mock */
.cp-mock { background: #fff; padding: 16px; display: flex; gap: 14px; height: 100%; }
.cp-img {
  flex: 1;
  background: linear-gradient(135deg, #2a2530 0%, #4a3f5a 100%);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}
.cp-img::before {
  content: "";
  position: absolute;
  inset: 22%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216,204,232,0.7) 0%, rgba(91,50,166,0.4) 50%, transparent 80%);
  filter: blur(4px);
}
.cp-img::after {
  content: "";
  position: absolute;
  inset: 32%;
  border: 1.5px solid #ffd24d;
  border-radius: 8px;
  opacity: 0.75;
}
.cp-side { width: 38%; display: flex; flex-direction: column; gap: 8px; }
.cp-side h5 {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  margin: 0;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.cp-row {
  display: flex; justify-content: space-between;
  color: var(--ink-2);
  font-size: 11px;
}
.cp-row .v {
  color: var(--ink);
  font-weight: 600;
  font-family: var(--mono);
  font-size: 12px;
}
.cp-bar { height: 4px; background: var(--line-soft); border-radius: 2px; overflow: hidden; }
.cp-bar i { display: block; height: 100%; background: var(--nu); }

.world-project-meta { display: flex; flex-direction: column; gap: 6px; padding: 0 4px; }
.world-project-name {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.015em;
}
.world-project-name a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s ease;
}
.world-project-name a:hover { color: var(--nu); }
.world-project-desc {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.55;
}
.project-link {
  align-self: flex-start;
  font-size: 13px;
  color: var(--nu);
  text-decoration: none;
  font-weight: 500;
  margin-top: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--nu-tint);
  transition: background 0.18s ease, color 0.18s ease;
}
.project-link:hover { background: var(--nu); color: #fff; }

/* ================= 04 PATH ================= */
.path-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.path-card {
  --tx: 0px;
  --ty: 0px;
  --lift: 0px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transform: translate3d(var(--tx), var(--ty), 0) translateY(var(--lift));
  transition: transform 0.4s cubic-bezier(.2,.7,.15,1), box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
  position: relative;
  will-change: transform;
}
.path-card:hover { --lift: -4px; box-shadow: var(--shadow-md); border-color: var(--nu-soft); }
.path-card.tracking { transition: transform 0.08s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.path-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(150deg, var(--g1, #ddd2ee) 0%, var(--g2, #9d8fc1) 100%);
  display: grid; place-items: center;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset, 0 6px 14px -6px rgba(91,50,166,0.4);
}
.path-card:nth-child(1) .path-icon { --g1: #e0d3f3; --g2: #a892d2; }
.path-card:nth-child(2) .path-icon { --g1: #f1d3b9; --g2: #c79474; }
.path-card:nth-child(3) .path-icon { --g1: #c9dbed; --g2: #6f8eb1; }
.path-card:nth-child(4) .path-icon { --g1: #d4e6cf; --g2: #74996e; }

.path-phase {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.path-card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.018em;
  font-weight: 600;
  color: var(--ink);
}
.path-card p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.5;
}
.path-view {
  align-self: flex-start;
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--nu);
  font-weight: 500;
  cursor: pointer;
  margin-top: auto;
  transition: color 0.18s ease;
}
.path-view::after { content: " →"; display: inline-block; transition: padding-left 0.2s ease; }
.path-card:hover .path-view { color: var(--nu-deep); }
.path-card:hover .path-view::after { padding-left: 4px; }

/* ================= 05 PRINCIPLES ================= */
.principles {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}
.principles li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 22px;
  padding: 28px 30px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.principles li.in { opacity: 1; transform: translateY(0); }
.principles li:hover { box-shadow: var(--shadow-md); border-color: var(--nu-soft); }
.p-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--nu);
  background: var(--nu-tint);
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-weight: 500;
}
.principles h3 {
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  font-weight: 600;
  color: var(--ink);
}
.p-body {
  margin: 0;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.65;
  max-width: 640px;
}

/* ================= 06 BACKGROUND ================= */
.bg-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.bg-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.bg-col-h {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  margin: 0 0 22px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}
.edu-entry {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  display: flex; flex-direction: column; gap: 4px;
}
.edu-entry:first-of-type { padding-top: 0; }
.edu-entry:last-of-type { border-bottom: 0; padding-bottom: 0; }
.edu-years {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}
.edu-entry h4 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.018em;
}
.edu-entry p { margin: 0; font-size: 14px; color: var(--ink-2); }
.edu-notes {
  color: var(--ink-3) !important;
  font-size: 13px !important;
  margin-top: 4px !important;
}

/* Publications: clean stacked cards (replaces fan) */
.pub-list { display: grid; gap: 10px; }
.pub-row {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--surface-2);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.pub-row:hover { border-color: var(--nu-soft); background: var(--surface); }
.pub-venue {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--nu);
  background: var(--nu-tint);
  padding: 4px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  justify-self: start;
  white-space: nowrap;
}
.pub-title { margin: 0; font-size: 14.5px; font-weight: 500; color: var(--ink); line-height: 1.4; }
.pub-authors { margin: 4px 0 0; font-size: 12.5px; color: var(--ink-3); line-height: 1.4; }
.pub-role { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); text-align: right; padding-top: 2px; }

/* ================= 07 CONTACT ================= */
.contact {
  padding-top: 140px;
  padding-bottom: 120px;
  margin-top: 60px;
}
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  box-shadow: var(--shadow-md);
  background-image: radial-gradient(circle at 90% 0%, var(--nu-tint) 0%, transparent 60%);
}
.contact-h {
  font-size: clamp(48px, 7vw, 84px);
  line-height: 1;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
  font-weight: 600;
}
.contact-sub {
  font-size: 18px;
  color: var(--ink-2);
  margin: 0 0 48px;
  max-width: 560px;
  line-height: 1.55;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 56px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.contact-list li a {
  --tx: 0px;
  --ty: 0px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  padding: 12px 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  transform: translate3d(var(--tx), var(--ty), 0);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.4s cubic-bezier(.2,.7,.15,1);
  will-change: transform;
}
.contact-list li.primary a { background: var(--ink); color: #fff; border-color: var(--ink); }
.contact-list li.primary a:hover { background: var(--nu); border-color: var(--nu); }
.contact-list li a:hover { border-color: var(--nu); color: var(--nu); }
.contact-list li a.tracking { transition: transform 0.08s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease; }
.contact-list li a svg { width: 16px; height: 16px; }
.colophon { font-size: 12.5px; color: var(--ink-3); margin: 0; }

/* ================= DRAWER ================= */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(14,17,22,0.4);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(2px);
}
.drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(540px, 92vw);
  background: var(--surface);
  z-index: 100;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(.2,.7,.15,1);
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px -8px rgba(0,0,0,0.18);
  border-left: 1px solid var(--line);
}
.drawer.open { transform: translateX(0); }
.drawer-close {
  position: absolute;
  top: 22px; right: 22px;
  width: 36px; height: 36px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  color: var(--ink-2);
  display: grid; place-items: center;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  z-index: 2;
}
.drawer-close:hover { background: var(--nu-tint); color: var(--nu); border-color: var(--nu); }
.drawer-content { overflow-y: auto; padding: 72px 48px 56px; flex: 1; }
.drawer-content .drawer-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--nu);
  background: var(--nu-tint);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.drawer-content h2 {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0 0 6px;
  line-height: 1.15;
}
.drawer-content .drawer-sub {
  font-size: 14px;
  color: var(--ink-3);
  margin: 0 0 28px;
}
.drawer-content h3 {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 26px 0 10px;
  font-weight: 500;
}
.drawer-content p { font-size: 14.5px; color: var(--ink-2); line-height: 1.65; margin: 0 0 12px; }
.drawer-content ul { margin: 0 0 16px; padding-left: 20px; }
.drawer-content li { font-size: 14px; color: var(--ink-2); line-height: 1.6; margin-bottom: 6px; }
.drawer-content .pub-line { font-size: 13px; color: var(--ink-2); margin-bottom: 10px; line-height: 1.5; }
.drawer-content .pub-line em { color: var(--ink); font-style: normal; font-weight: 500; }
.drawer-content .pub-line strong { color: var(--ink); font-weight: 600; }

/* ================= RESPONSIVE ================= */
@media (max-width: 880px) {
  :root { --pad: 20px; }
  .nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .portrait { max-width: 220px; }
  .world { grid-template-columns: 1fr; }
  .world.reverse > .world-text { order: 1; }
  .world.reverse > .world-project { order: 2; }
  .world-project { border-left: 0; border-top: 1px solid var(--line-soft); }
  .world.reverse > .world-project { border-right: 0; border-top: 1px solid var(--line-soft); }
  .bg-grid { grid-template-columns: 1fr; }
  .path-list { grid-template-columns: 1fr 1fr; }
  .pub-row { grid-template-columns: 1fr; gap: 8px; }
  .pub-role { text-align: left; }
  .contact-card { padding: 40px 28px; }
  .section { padding: 100px 0 40px; }
}