/* =====================================================================
   Yan Ventures — v3 (home proof) · LIGHT theme, paypath-inspired
   Instrument Serif (display) + Cormorant (wordmark) + Geist (UI) + Geist Mono (labels)
   ===================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

:root {
  --bg: #f5f4f0;
  --bg-soft: #eceae3;
  --ink: #15171c;
  --ink-soft: #53555c;
  --ink-mute: #8b8d94;
  --ink-faint: #c1c2c6;

  --line: rgba(18,20,26,0.10);
  --line-strong: rgba(18,20,26,0.18);

  --glass: rgba(255,255,255,0.55);
  --glass-strong: rgba(255,255,255,0.80);
  --glass-border: rgba(18,20,26,0.09);

  --accent: #2d5a8e;
  --accent-soft: #2f5d96;

  --max: 1200px;
  --gutter: clamp(20px, 4vw, 52px);
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --serif-brand: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Geist', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;
}

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  font-weight: 400;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); position: relative; }
.section { padding: clamp(44px, 5vw, 64px) 0; position: relative; z-index: 1; }
.section + .section { border-top: 1px solid var(--line); }

/* ---------- Aurora ---------- */
.aurora {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  filter: blur(70px) saturate(1.1);
  opacity: 0.85;
  will-change: transform;
}
.aurora-hero {
  top: -28%;
  left: -8%;
  right: -8%;
  height: 150%;
  background:
    radial-gradient(34% 42% at 30% 28%, rgba(95,150,235,0.30), transparent 72%),
    radial-gradient(30% 38% at 73% 22%, rgba(240,176,120,0.22), transparent 72%),
    radial-gradient(42% 50% at 60% 66%, rgba(166,150,236,0.24), transparent 72%),
    radial-gradient(34% 44% at 20% 76%, rgba(120,186,236,0.22), transparent 72%);
  animation: aurora-drift 22s ease-in-out infinite alternate;
}
.aurora-cta {
  top: 0; left: 10%; right: 10%; bottom: -40%;
  background:
    radial-gradient(42% 60% at 50% 30%, rgba(110,155,235,0.24), transparent 68%),
    radial-gradient(34% 50% at 70% 60%, rgba(166,150,236,0.18), transparent 70%);
  animation: aurora-drift 26s ease-in-out infinite alternate-reverse;
}
@keyframes aurora-drift {
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(-3%, 2%, 0) scale(1.06); }
  100% { transform: translate3d(2%, -2%, 0) scale(1.02); }
}
/* fade aurora into the page at the edges */
.hero::after, .quote::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(120% 100% at 50% 0%, transparent 42%, var(--bg) 92%);
}

/* ---------- Announcement bar ---------- */
.topbar {
  position: relative;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 9px 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: rgba(18,20,26,0.03);
  border-bottom: 1px solid var(--line);
}
.topbar .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(45,90,142,0.6);
}

/* ---------- Header (floating glass pill) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  transition: padding 0.35s cubic-bezier(0.2,0.7,0.2,1);
  padding: 0;
}
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  background: rgba(245,244,240,0.7);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  transition: all 0.35s cubic-bezier(0.2,0.7,0.2,1);
}
/* once scrolled, the bar detaches into a frosted floating pill (desktop/tablet) */
.site-header.floating { padding: 12px var(--gutter); }
.site-header.floating .inner {
  height: 60px;
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 0 14px 0 22px;
  background: rgba(255,255,255,0.68);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 14px 44px -18px rgba(20,30,50,0.22);
}
.brand { display: flex; align-items: center; gap: 9px; }
.brand-mark { width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand > span:last-child {
  font-family: var(--serif-brand);
  font-size: 23px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink);
}
nav.primary { display: flex; gap: clamp(4px, 1.2vw, 14px); align-items: center; }
nav.primary a {
  font-size: 14px;
  font-weight: 450;
  color: var(--ink-soft);
  padding: 8px 12px;
  border-radius: 100px;
  transition: color 0.2s, background 0.2s;
}
nav.primary a:hover, nav.primary a.active { color: var(--ink); background: rgba(18,20,26,0.05); }
.nav-cta {
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--ink) !important;
  padding: 9px 18px !important;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.7) !important;
}
.nav-cta:hover { background: #fff !important; }

/* ---------- Pill badge ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px 8px 13px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.pill .spark { color: var(--accent); font-size: 13px; }

/* ---------- Mono section label ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--accent); opacity: 0.7; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(56px, 8vw, 96px) 0 clamp(40px, 5vw, 60px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero .container { z-index: 2; }
.hero .pill { margin-bottom: 30px; }
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 8vw, 116px);
  line-height: 1.0;
  letter-spacing: -0.015em;
  color: var(--ink);
  max-width: 15ch;
}
.hero h1 em { font-style: italic; color: var(--accent-soft); }
.hero .lede {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--ink-soft);
  margin-top: 30px;
  max-width: 56ch;
}
.hero .meta-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}
.hero .meta-row div {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: 22px 26px 0 26px;
  border-right: 1px solid var(--line);
}
.hero .meta-row div:first-child { padding-left: 0; }
.hero .meta-row div:last-child { border-right: none; }
.hero .meta-row strong {
  display: block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: -0.005em;
  text-transform: none;
  margin-top: 9px;
  line-height: 1.3;
}

/* hero word reveal */
.hero h1 .word { display: inline-block; }
.hero h1 .letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.42em);
  filter: blur(7px);
  animation: rise 700ms cubic-bezier(0.2,0.7,0.2,1) var(--delay, 0ms) forwards;
}
.hero h1 em .letter { animation-duration: 600ms; }
@keyframes rise { to { opacity: 1; transform: translateY(0); filter: blur(0); } }

/* ---------- Section headings ---------- */
.section h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--ink);
  max-width: 20ch;
}
.section h2 em { font-style: italic; color: var(--accent-soft); }
.section .sub {
  font-size: 17px;
  color: var(--ink-soft);
  margin-top: 26px;
  max-width: 62ch;
  line-height: 1.6;
}
.section .sub a { color: var(--accent); border-bottom: 1px solid rgba(45,90,142,0.4); transition: border-color 0.2s; }
.section .sub a:hover { border-color: var(--accent); }

/* ---------- Featured portfolio ---------- */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.feat-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 20px;
  padding: 32px;
  min-height: 290px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2,0.7,0.2,1), border-color 0.4s, background 0.4s, box-shadow 0.4s;
  --mx: 50%; --my: 50%;
}
.feat-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(45,90,142,0.10), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.feat-card > * { position: relative; z-index: 1; }
.feat-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  background: var(--glass-strong);
  box-shadow: 0 26px 50px -30px rgba(20,30,50,0.28);
}
.feat-card:hover::before { opacity: 1; }
.feat-card .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.feat-card .name {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-top: 12px;
  line-height: 1.05;
}
.feat-card .desc {
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 14px;
  line-height: 1.55;
}
.feat-card .arrow {
  margin-top: 26px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.25s;
}
.feat-card:hover .arrow { gap: 14px; }
.feat-card .co-mark {
  display: flex;
  align-items: center;
  height: 32px;
  margin-bottom: 24px;
  max-width: 190px;
}
.feat-card .co-mark img { height: 23px; width: auto; max-width: 180px; object-fit: contain; }
.feat-card .co-mark img[src*="vast_logo"] { height: 18px; }
.feat-card .co-mark img[src*="fiber_global"] { height: 27px; }
.feat-card .co-mark img[src*="dpbio"] { height: 17px; }
.feat-card .co-mark.text-mark {
  font-family: var(--serif); font-style: italic; font-size: 17px; color: var(--ink-mute);
}
.feat-card.span-6 { grid-column: span 6; min-height: 330px; }
.feat-card.span-4 { grid-column: span 4; }

/* ---------- Pillars ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 60px;
  border-top: 1px solid var(--line);
}
.pillar {
  padding: 30px 24px 0 24px;
  border-right: 1px solid var(--line);
  min-height: 220px;
}
.pillar:first-child { padding-left: 0; }
.pillar:last-child { border-right: none; }
.pillar .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 18px;
}
.pillar h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 25px;
  line-height: 1.12;
  letter-spacing: -0.005em;
  margin-bottom: 12px;
  color: var(--ink);
}
.pillar p { font-size: 14px; color: var(--ink-soft); line-height: 1.55; }

/* ---------- Closing CTA ---------- */
.quote {
  position: relative;
  padding: clamp(104px, 14vw, 180px) 0;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
}
.quote .container { z-index: 2; }
.cta-eyebrow { justify-content: center; }
.quote h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.0;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 auto;
  max-width: 16ch;
}
.quote h2 em { font-style: italic; color: var(--accent-soft); }
.quote p {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 26px auto 0;
  max-width: 54ch;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 44px;
  padding: 16px 30px;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 100px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -16px rgba(20,30,50,0.35); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 72px 0 36px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}
.site-footer .brand > span:last-child { color: var(--ink); }
.site-footer .tagline {
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 16px;
  max-width: 32ch;
  line-height: 1.5;
}
.footer-col h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 5px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 26px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---------- Scroll reveals ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.2,0.7,0.2,1), transform 0.8s cubic-bezier(0.2,0.7,0.2,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .aurora { animation: none; }
  .hero h1 .letter { opacity: 1; transform: none; filter: none; animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .featured-grid > * { grid-column: span 12 !important; min-height: 240px !important; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .pillar:nth-child(2n) { border-right: none; }
  .pillar:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 30px; min-height: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Mobile: header stays a simple full-width sticky bar (no floating pill) */
@media (max-width: 680px) {
  .site-header, .site-header.floating { padding: 0; }
  .site-header .inner,
  .site-header.floating .inner {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 12px var(--gutter);
    max-width: 100%;
    border: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: rgba(245,244,240,0.92);
    box-shadow: none;
  }
  nav.primary { width: 100%; flex-wrap: wrap; gap: 4px 6px; }
  nav.primary a { padding: 8px 10px; }
  .nav-cta { padding: 8px 14px !important; }
}
@media (max-width: 560px) {
  .hero .meta-row { grid-template-columns: 1fr; }
  .hero .meta-row div { border-right: none; border-bottom: 1px solid var(--line); padding: 20px 0; }
  .hero .meta-row div:first-child { padding-top: 20px; }
  .hero .meta-row div:last-child { border-bottom: none; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: none; border-bottom: 1px solid var(--line); padding: 26px 0; min-height: auto; }
  .pillar:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-wrap: wrap; gap: 8px 16px; }
}

/* =====================================================================
   Interior pages (about · thesis · portfolio · partnership)
   ===================================================================== */

/* ---------- Interior hero ---------- */
.about-hero {
  position: relative;
  padding: clamp(60px, 9vw, 112px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.about-hero .container { position: relative; z-index: 2; }
.about-hero::after {
  content: '';
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(120% 100% at 50% 0%, transparent 42%, var(--bg) 92%);
}
.about-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 18ch;
  margin-top: 4px;
}
.about-hero h1 em { font-style: italic; color: var(--accent-soft); }
.about-hero .sub {
  font-size: clamp(17px, 1.4vw, 20px);
  color: var(--ink-soft);
  line-height: 1.55;
  margin-top: 28px;
  max-width: 64ch;
}

/* ---------- Thesis blocks ---------- */
.thesis-block {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
.thesis-block:first-of-type { border-top: none; }
.thesis-block:last-of-type { border-bottom: none; padding-bottom: 8px; }
.thesis-block .label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.thesis-block h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin-bottom: 18px;
  color: var(--ink);
}
.thesis-block h3 em { font-style: italic; color: var(--accent-soft); }
.thesis-block > div > p {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.65;
  margin-bottom: 14px;
  max-width: 64ch;
}

/* ---------- Traits (clean "what we look for") ---------- */
.traits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 40px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.trait {
  background: var(--bg);
  padding: 30px 32px;
  transition: background 0.3s;
}
.trait:hover { background: #fff; }
.trait .tnum {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}
.trait h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 8px;
}
.trait p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ---------- Focus cards (thesis) ---------- */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 44px;
}
.focus {
  position: relative;
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 18px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  min-height: 340px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2,0.7,0.2,1), border-color 0.4s, box-shadow 0.4s;
  --mx: 50%; --my: 50%;
}
.focus::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(380px circle at var(--mx) var(--my), rgba(45,90,142,0.09), transparent 60%);
  opacity: 0; transition: opacity 0.4s; pointer-events: none;
}
.focus:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: 0 22px 44px -28px rgba(20,30,50,0.26); }
.focus:hover::before { opacity: 1; }
.focus > * { position: relative; z-index: 1; }
.focus .f-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}
.focus h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--ink);
}
.focus p { font-size: 14px; color: var(--ink-soft); line-height: 1.6; margin-bottom: 14px; }
.focus .examples {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.focus .examples strong { color: var(--ink); font-weight: 500; }
.focus .examples a { color: var(--accent); }

/* ---------- Partner cards (about) ---------- */
.partner-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding: 52px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.partner-card:first-of-type { border-top: 1px solid var(--line); }
.partner-card:last-of-type { border-bottom: none; }
.partner-card .role-block .name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  letter-spacing: -0.01em;
  line-height: 1.04;
  margin-bottom: 10px;
  color: var(--ink);
}
.partner-card .role-block .role {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  line-height: 1.4;
}
.partner-card .role-block .affiliation { font-size: 13px; color: var(--ink-soft); }
.partner-card .bio p {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 64ch;
}
.partner-card .bio p a { color: var(--accent); border-bottom: 1px solid rgba(45,90,142,0.4); }
.partner-card .bio .credentials { margin-top: 18px; list-style: none; }
.partner-card .bio .credentials li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.partner-card .bio .credentials li::before { content: '—'; position: absolute; left: 0; color: var(--accent); }
.partner-card .bio .credentials a { color: inherit; border-bottom: 1px solid rgba(45,90,142,0.4); }

/* ---------- Stat strips (about + partnership) ---------- */
.xmj-fact-strip, .stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.xmj-fact-strip { margin-top: 48px; }
.stat-strip { padding: 0; margin: 80px 0 40px; }
.xmj-fact, .stat {
  padding: 36px 26px 34px 26px;
  border-right: 1px solid var(--line);
}
.xmj-fact:last-child, .stat:last-child { border-right: none; }
.xmj-fact .num, .stat .stat-num {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 4.4vw, 56px);
  color: var(--accent-soft);
  letter-spacing: -0.02em;
  line-height: 1;
}
.xmj-fact .label, .stat .stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 12px;
}

/* ---------- About grid ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
}
.about-grid h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--ink);
}
.about-grid p { font-size: 16px; color: var(--ink-soft); line-height: 1.7; margin-bottom: 16px; }
.about-grid p strong { color: var(--ink); font-weight: 600; }

/* ---------- Dark CTA box (about + partnership) ---------- */
.cta-box, .biotech-cta {
  position: relative;
  background: var(--ink);
  color: var(--bg);
  border-radius: 24px;
  padding: clamp(48px, 7vw, 88px);
  margin-top: 96px;
  overflow: hidden;
}
.cta-box { text-align: center; }
.cta-box .eyebrow, .biotech-cta .eyebrow { color: #8fb4e8; }
.cta-box .eyebrow::before, .biotech-cta .eyebrow::before { background: #8fb4e8; }
.cta-box .eyebrow { justify-content: center; }
.cta-box h2, .biotech-cta h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: #fbfbf9;
  margin-bottom: 20px;
  max-width: 26ch;
}
.cta-box h2 { margin-left: auto; margin-right: auto; }
.cta-box h2 em, .biotech-cta h2 em { font-style: italic; color: #9fc0ea; }
.cta-box p, .biotech-cta p {
  font-size: 17px;
  color: rgba(251,251,249,0.7);
  line-height: 1.6;
  max-width: 58ch;
  margin-bottom: 32px;
}
.cta-box p { margin-left: auto; margin-right: auto; }
.cta-box a.btn, .biotech-cta a.btn, .cta-box a.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  background: #fbfbf9;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 100px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.cta-box a.btn:hover, .biotech-cta a.btn:hover, .cta-box a.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -16px rgba(120,160,220,0.5); }

/* ---------- Tiers (partnership) ---------- */
.tier {
  display: grid;
  grid-template-columns: 72px 1fr 280px;
  gap: 48px;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.tier:first-of-type { border-top: none; }
.tier .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  line-height: 1;
  color: var(--accent-soft);
  letter-spacing: -0.02em;
}
.tier h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin-bottom: 8px;
  color: var(--ink);
}
.tier .one-line {
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  color: var(--accent-soft);
  margin-bottom: 20px;
}
.tier p { font-size: 16px; color: var(--ink-soft); line-height: 1.65; margin-bottom: 14px; max-width: 60ch; }
.tier .availability {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.tier .availability .av-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 8px;
}
.tier .availability .av-text {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 18px;
  color: var(--ink);
  line-height: 1.25;
}

/* ---------- Holdings (portfolio) ---------- */
.holding {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 100px;
}
.holding:first-of-type { border-top: none; padding-top: 40px; }
.holding .meta .h-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 6px;
}
.holding .meta .h-value {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 22px;
  letter-spacing: -0.005em;
}
.holding .meta .h-value a { color: var(--accent); border-bottom: 1px solid rgba(45,90,142,0.4); }
.holding .co-logo {
  height: 50px;
  max-width: 340px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
}
.holding .co-logo img { height: 100%; width: auto; max-width: 100%; object-fit: contain; display: block; }
.holding .co-logo img[src*="vast_logo"] { max-width: 210px; }
.holding .co-logo.stealth-mark {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  color: var(--ink-mute);
}
.holding h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin-bottom: 8px;
  color: var(--ink);
}
.holding .one-line {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  color: var(--accent-soft);
  margin-bottom: 22px;
}
.holding > div > p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 64ch;
  margin-bottom: 14px;
}
.holding .why { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.holding .why-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.holding .why p { margin-bottom: 10px; }

/* ---------- Interior responsive ---------- */
@media (max-width: 900px) {
  .focus-grid { grid-template-columns: 1fr; }
  .thesis-block { grid-template-columns: 1fr; gap: 16px; }
  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .partner-card { grid-template-columns: 1fr; gap: 16px; padding: 40px 0; }
  .holding { grid-template-columns: 1fr; gap: 16px; padding: 48px 0; }
  .tier { grid-template-columns: 1fr; gap: 16px; padding: 40px 0; }
  .tier .num { font-size: 40px; }
}
@media (max-width: 680px) {
  .traits { grid-template-columns: 1fr; }
  .xmj-fact-strip, .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .xmj-fact, .stat { border-bottom: 1px solid var(--line); }
  .xmj-fact:nth-child(2n), .stat:nth-child(2n) { border-right: none; }
  .xmj-fact:nth-child(n+3), .stat:nth-child(n+3) { border-bottom: none; }
}