/* ============================================================
   Ivyfy — Ivy League Admissions, Engineered
   Light / ivy-green sibling of jewellabs.org
   visionOS liquid glass · IvyWise-clean typography
   ============================================================ */

:root{
  /* — surface — */
  --bg:            #F6FAF7;
  --bg-2:          #EEF5F0;
  --surface:       #FFFFFF;

  /* — ink — */
  --ink:           #0B1F16;   /* deep green-black, primary text */
  --ink-soft:      #33463D;
  --muted:         #5F7268;   /* secondary text */
  --faint:         #8A9A91;

  /* — ivy green brand — */
  --ivy:           #0E7A4B;   /* primary brand green */
  --ivy-deep:      #0A5638;
  --ivy-dark:      #073C28;
  --ivy-bright:    #17A55A;
  --ivy-glow:      #2FD07E;   /* luminous particle green */
  --mint:          #E4F3EA;   /* light green tint */
  --mint-2:        #D3EBDC;

  /* — glass — */
  --glass-bg:      rgba(255,255,255,0.55);
  --glass-bg-strong: rgba(255,255,255,0.72);
  --glass-brd:     rgba(255,255,255,0.85);
  --glass-brd-in:  rgba(255,255,255,0.9);
  --hair:          rgba(11,31,22,0.09);
  --hair-2:        rgba(11,31,22,0.06);

  /* — shadow — */
  --shadow-sm:     0 2px 10px rgba(9,42,27,0.05);
  --shadow-md:     0 18px 50px -18px rgba(9,52,33,0.22);
  --shadow-glass:  0 20px 60px -22px rgba(9,52,33,0.30), inset 0 1px 0 rgba(255,255,255,0.9), inset 0 0 0 1px rgba(255,255,255,0.35);
  --shadow-cta:    0 12px 34px -10px rgba(14,122,75,0.55);

  --ease:          cubic-bezier(.22,.68,.24,1);
  --ease-out:      cubic-bezier(.16,1,.3,1);
  --radius:        20px;
  --radius-sm:     14px;
  --maxw:          1160px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size:16px;
  line-height:1.6;
  letter-spacing:-0.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4{ margin:0; font-weight:700; letter-spacing:-0.022em; line-height:1.08; color:var(--ink); }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
svg{ display:block; }
em{ font-style:italic; }

/* editorial emphasis — Fraunces italic, the jewellabs "_underscore_" move */
h1 em, h2 em, h3 em, .hero-sub em{
  font-family:'Fraunces', Georgia, serif;
  font-weight:500;
  font-style:italic;
  letter-spacing:-0.01em;
  color:var(--ivy);
}

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 40px; }
@media (max-width:720px){ .wrap{ padding:0 22px; } }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ============================================================
   Ambient background — soft ivy light so the glass reads
   ============================================================ */
.ambient{ position:fixed; inset:0; z-index:-2; overflow:hidden; pointer-events:none; background:
  radial-gradient(120% 90% at 50% -10%, #FFFFFF 0%, var(--bg) 42%, var(--bg-2) 100%); }
.orb{ position:absolute; border-radius:50%; filter:blur(80px); opacity:0.4; will-change:transform; }
.orb-1{ width:640px; height:640px; top:-220px; left:-160px;
  background:radial-gradient(circle, rgba(47,208,126,0.40), rgba(47,208,126,0) 68%);
  animation:drift1 26s ease-in-out infinite; }
.orb-2{ width:560px; height:560px; top:24%; right:-200px;
  background:radial-gradient(circle, rgba(23,165,90,0.30), rgba(23,165,90,0) 68%);
  animation:drift2 32s ease-in-out infinite; }
.orb-3{ width:520px; height:520px; bottom:-160px; left:30%;
  background:radial-gradient(circle, rgba(14,122,75,0.22), rgba(14,122,75,0) 70%);
  animation:drift3 30s ease-in-out infinite; }
.grain{ position:absolute; inset:-50%; opacity:0.35; mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E"); }
@keyframes drift1{ 0%,100%{transform:translate(0,0)} 50%{transform:translate(60px,50px)} }
@keyframes drift2{ 0%,100%{transform:translate(0,0)} 50%{transform:translate(-70px,40px)} }
@keyframes drift3{ 0%,100%{transform:translate(0,0)} 50%{transform:translate(40px,-50px)} }

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 22px; border-radius:var(--radius-sm);
  font-size:14.5px; font-weight:600; letter-spacing:-0.01em; white-space:nowrap;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .3s ease, color .3s ease;
}
.btn-lg{ padding:15px 28px; font-size:15.5px; }
.btn-primary{
  background:linear-gradient(180deg, var(--ivy-bright), var(--ivy));
  color:#fff; box-shadow:var(--shadow-cta), inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 18px 40px -10px rgba(14,122,75,0.6), inset 0 1px 0 rgba(255,255,255,0.5); }
.btn-glass{
  background:var(--glass-bg-strong); color:var(--ivy-deep);
  -webkit-backdrop-filter:blur(14px) saturate(160%); backdrop-filter:blur(14px) saturate(160%);
  box-shadow:inset 0 0 0 1px rgba(11,31,22,0.10), inset 0 1px 0 rgba(255,255,255,0.9), var(--shadow-sm);
}
.btn-glass:hover{ transform:translateY(-2px); color:var(--ivy); box-shadow:inset 0 0 0 1px rgba(14,122,75,0.30), inset 0 1px 0 rgba(255,255,255,0.9), var(--shadow-md); }

/* ============================================================
   Nav — liquid glass bar
   ============================================================ */
header{ position:sticky; top:0; z-index:100; padding:14px 0; }
.glass-nav{
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  padding:11px 14px 11px 20px;
  border-radius:18px;
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(20px) saturate(180%); backdrop-filter:blur(20px) saturate(180%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.6), inset 0 1px 0 rgba(255,255,255,0.9), 0 10px 30px -12px rgba(9,52,33,0.22);
}
.logo{ display:flex; align-items:center; gap:9px; font-weight:700; font-size:20px; letter-spacing:-0.03em; color:var(--ink); }
.logo .mark{ width:22px; height:22px; }
.logo .mark .leaf{ fill:var(--ivy); }
.logo .mark .vein{ fill:none; stroke:#fff; stroke-width:1.5; opacity:.85; }
.logo span{ font-family:'Fraunces', Georgia, serif; font-weight:600; }
.nav-links{ display:flex; align-items:center; gap:30px; font-size:14.5px; font-weight:500; color:var(--muted); }
.nav-links a{ position:relative; transition:color .25s ease; }
.nav-links a::after{ content:''; position:absolute; left:0; bottom:-5px; width:0; height:1.5px; background:var(--ivy); border-radius:2px; transition:width .3s var(--ease); }
.nav-links a:hover{ color:var(--ink); }
.nav-links a:hover::after{ width:100%; }
.nav-right{ display:flex; align-items:center; gap:16px; }
.nav-ghost{ font-size:14.5px; font-weight:500; color:var(--muted); transition:color .25s ease; }
.nav-ghost:hover{ color:var(--ink); }
@media (max-width:820px){ .nav-links, .nav-ghost{ display:none; } }

/* ============================================================
   Hero
   ============================================================ */
.hero{ position:relative; padding:40px 0 70px; min-height:88vh; display:flex; flex-direction:column; }
.hero-canvas-wrap{
  position:relative; width:100%;
  height:clamp(240px, 40vh, 420px);
  display:flex; align-items:center; justify-content:center;
  margin-top:10px;
}
#particles{ width:100%; height:100%; display:block; }
.hero-fallback{ font-family:'Fraunces',serif; font-size:clamp(80px,20vw,240px); color:var(--ivy); font-style:italic; }
.hero-inner{ position:relative; display:flex; flex-direction:column; align-items:center; text-align:center; margin-top:-8px; }
.hero-sub{
  max-width:660px; margin-top:22px;
  font-size:clamp(17px,2vw,21px); line-height:1.6; color:var(--ink-soft); font-weight:400;
}
.hero-ctas{ margin-top:34px; display:flex; gap:14px; flex-wrap:wrap; justify-content:center; }

.eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-size:12.5px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--ivy-deep);
  padding:7px 15px 7px 12px; border-radius:100px;
  background:var(--glass-bg-strong);
  -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px);
  box-shadow:inset 0 0 0 1px rgba(14,122,75,0.16), inset 0 1px 0 rgba(255,255,255,0.9);
}
.eyebrow-dot{ width:7px; height:7px; border-radius:50%; background:var(--ivy-glow); box-shadow:0 0 0 4px rgba(47,208,126,0.22); }

.scroll-cue{ margin:44px auto 0; width:26px; height:42px; border-radius:16px; box-shadow:inset 0 0 0 1.5px rgba(11,31,22,0.16); position:relative; }
.scroll-cue-line{ position:absolute; top:8px; left:50%; width:3px; height:8px; margin-left:-1.5px; border-radius:2px; background:var(--ivy); animation:scrollDot 1.8s var(--ease) infinite; }
@keyframes scrollDot{ 0%{opacity:0; transform:translateY(0)} 30%{opacity:1} 70%{opacity:1} 100%{opacity:0; transform:translateY(14px)} }

/* ============================================================
   Marquee — the "scroll wheel"
   ============================================================ */
.marquee{ position:relative; padding:26px 0; border-top:1px solid var(--hair); border-bottom:1px solid var(--hair);
  background:linear-gradient(180deg, rgba(255,255,255,0.5), rgba(255,255,255,0.2));
  -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  display:flex; align-items:center; gap:0; }
.marquee-label{ flex:0 0 auto; padding:0 26px 0 40px; font-size:12px; font-weight:600; letter-spacing:0.08em; text-transform:uppercase; color:var(--faint); white-space:nowrap; }
.marquee-viewport{ position:relative; flex:1 1 auto; overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track{ display:flex; align-items:center; gap:52px; width:max-content; will-change:transform; }
.m-item{ font-family:'Fraunces', Georgia, serif; font-size:23px; font-weight:600; color:var(--ink); opacity:.55; white-space:nowrap; transition:opacity .3s ease, color .3s ease; }
.m-item:hover{ opacity:1; color:var(--ivy-deep); }
@media (max-width:720px){ .marquee-label{ display:none; } .m-item{ font-size:19px; } .marquee-track{ gap:40px; } }

/* ============================================================
   Section shell
   ============================================================ */
.section{ padding:112px 0; }
@media (max-width:720px){ .section{ padding:76px 0; } }
.section-head{ max-width:680px; margin:0 auto 60px; text-align:center; }
.kicker{ display:inline-block; font-size:12.5px; font-weight:600; letter-spacing:0.14em; text-transform:uppercase; color:var(--ivy); margin-bottom:16px; }
.section-head h2{ font-size:clamp(30px,4.6vw,50px); }
.section-lede{ margin:20px auto 0; max-width:560px; font-size:17px; color:var(--muted); line-height:1.6; }

/* ============================================================
   Glass cards — Method
   ============================================================ */
.card-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
@media (max-width:760px){ .card-grid{ grid-template-columns:1fr; } }
.glass-card{
  position:relative; overflow:hidden;
  padding:34px 32px 30px; border-radius:var(--radius);
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(22px) saturate(170%); backdrop-filter:blur(22px) saturate(170%);
  box-shadow:var(--shadow-glass);
  transition:transform .5s var(--ease-out), box-shadow .5s var(--ease-out);
}
.glass-card::before{ content:''; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  background:radial-gradient(120% 80% at 100% 0%, rgba(47,208,126,0.12), transparent 55%); }
.glass-card:hover{ transform:translateY(-5px); box-shadow:0 34px 70px -26px rgba(9,52,33,0.36), inset 0 1px 0 rgba(255,255,255,0.9), inset 0 0 0 1px rgba(255,255,255,0.4); }
.card-index{ font-family:'Fraunces',serif; font-size:15px; font-weight:600; color:var(--ivy); letter-spacing:0.06em; margin-bottom:16px; }
.glass-card h3{ font-size:22px; margin-bottom:11px; }
.glass-card p{ color:var(--muted); font-size:15px; line-height:1.6; }
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; margin-top:20px; }
.tag{ font-size:11.5px; font-weight:500; letter-spacing:0.02em; color:var(--ivy-deep);
  padding:5px 11px; border-radius:100px; background:var(--mint);
  box-shadow:inset 0 0 0 1px rgba(14,122,75,0.14); }

/* ============================================================
   Process
   ============================================================ */
.process-list{ max-width:840px; margin:0 auto; }
.process-row{ display:grid; grid-template-columns:88px 1fr; gap:28px; padding:30px 0; border-top:1px solid var(--hair); align-items:start; }
.process-row:last-child{ border-bottom:1px solid var(--hair); }
.process-num{ font-family:'Fraunces',serif; font-size:34px; font-weight:600; color:var(--ivy); line-height:1; padding-top:2px; }
.process-body h3{ font-size:22px; margin-bottom:8px; }
.process-body p{ color:var(--muted); font-size:15.5px; max-width:600px; }
@media (max-width:560px){ .process-row{ grid-template-columns:56px 1fr; gap:16px; } .process-num{ font-size:26px; } }

/* ============================================================
   Results — stat glass
   ============================================================ */
.stat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
@media (max-width:860px){ .stat-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:460px){ .stat-grid{ grid-template-columns:1fr; } }
.glass-stat{
  padding:32px 26px; border-radius:var(--radius);
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(20px) saturate(170%); backdrop-filter:blur(20px) saturate(170%);
  box-shadow:var(--shadow-glass);
  text-align:left;
}
.stat-num{ font-family:'Fraunces',serif; font-weight:700; font-size:clamp(42px,5vw,54px); line-height:1; color:var(--ivy-deep);
  background:linear-gradient(160deg, var(--ivy-bright), var(--ivy-deep)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.stat-label{ margin-top:14px; font-size:13.5px; line-height:1.5; color:var(--muted); }
.fine-print{ margin-top:34px; text-align:center; font-size:13px; color:var(--faint); font-style:italic; }

/* ============================================================
   Team — founders (big) + bench (small)
   ============================================================ */
.team-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:22px; }
.team-role{ font-size:11.5px; font-weight:600; letter-spacing:0.1em; text-transform:uppercase; color:var(--ivy); }
.team-badge{
  width:50px; height:50px; border-radius:14px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  font-family:'Fraunces',serif; font-weight:600; font-size:17px; color:#fff;
  background:linear-gradient(155deg, var(--ivy-bright), var(--ivy-deep));
  box-shadow:0 8px 18px -8px rgba(14,122,75,0.55), inset 0 1px 0 rgba(255,255,255,0.35);
}

/* founders */
.team-leads{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
@media (max-width:820px){ .team-leads{ grid-template-columns:1fr; } }
.lead-card{
  position:relative; overflow:hidden;
  padding:28px 30px 30px; border-radius:var(--radius);
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(22px) saturate(160%); backdrop-filter:blur(22px) saturate(160%);
  box-shadow:var(--shadow-glass);
  transition:transform .5s var(--ease-out), box-shadow .5s var(--ease-out);
}
.lead-card:hover{ transform:translateY(-4px); box-shadow:0 30px 62px -26px rgba(9,52,33,0.34), inset 0 1px 0 rgba(255,255,255,0.9), inset 0 0 0 1px rgba(255,255,255,0.4); }
.lead-card h3{ font-size:22px; margin-bottom:4px; }
.team-title{ font-size:14px; font-weight:600; color:var(--ink-soft); }
.team-edu{ font-size:12.5px; font-weight:500; letter-spacing:0.02em; color:var(--ivy); margin-top:3px; }
.team-bio{ margin-top:16px; font-size:14px; line-height:1.6; color:var(--muted); }

/* bench */
.team-rest{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:16px; }
@media (max-width:820px){ .team-rest{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:440px){ .team-rest{ grid-template-columns:1fr; } }
.mini-card{
  padding:22px 22px 24px; border-radius:var(--radius-sm);
  background:var(--glass-bg-strong);
  -webkit-backdrop-filter:blur(16px) saturate(150%); backdrop-filter:blur(16px) saturate(150%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.6), inset 0 1px 0 rgba(255,255,255,0.9), var(--shadow-sm);
  transition:transform .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.mini-card:hover{ transform:translateY(-3px); box-shadow:inset 0 0 0 1px rgba(14,122,75,0.2), var(--shadow-md); }
.mini-card .team-badge{ width:42px; height:42px; border-radius:12px; font-size:14.5px; margin-bottom:16px; }
.mini-name{ font-size:16px; margin-bottom:3px; }
.mini-role{ font-size:13px; font-weight:500; color:var(--muted); }
.mini-edu{ font-size:12px; font-weight:500; color:var(--ivy); margin-top:2px; }

/* ============================================================
   Admits — quotes
   ============================================================ */
.quote-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
@media (max-width:860px){ .quote-grid{ grid-template-columns:1fr; max-width:560px; margin:0 auto; } }
.glass-quote{
  margin:0; padding:30px 28px; border-radius:var(--radius);
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(20px) saturate(170%); backdrop-filter:blur(20px) saturate(170%);
  box-shadow:var(--shadow-glass);
  display:flex; flex-direction:column; justify-content:space-between; gap:22px;
}
.glass-quote blockquote{ margin:0; font-family:'Fraunces',serif; font-weight:500; font-style:italic; font-size:19px; line-height:1.5; color:var(--ink); }
.glass-quote blockquote::before{ content:'“'; color:var(--ivy); font-size:30px; line-height:0; vertical-align:-6px; margin-right:2px; }
.glass-quote figcaption{ display:flex; flex-direction:column; gap:2px; }
.q-name{ font-size:14px; font-weight:600; color:var(--ink); }
.q-school{ font-size:12.5px; font-weight:500; color:var(--ivy); }

/* ============================================================
   CTA
   ============================================================ */
.cta-glass{
  position:relative; overflow:hidden; text-align:center;
  padding:72px 40px; border-radius:28px;
  background:var(--glass-bg-strong);
  -webkit-backdrop-filter:blur(24px) saturate(180%); backdrop-filter:blur(24px) saturate(180%);
  box-shadow:var(--shadow-glass);
}
.cta-glass::before{ content:''; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(80% 120% at 50% -10%, rgba(47,208,126,0.20), transparent 60%); }
.cta-glass h2{ position:relative; font-size:clamp(28px,4vw,44px); }
.cta-glass p{ position:relative; margin:18px auto 0; max-width:480px; color:var(--muted); font-size:17px; }
.cta-glass .btn{ position:relative; margin-top:30px; }
@media (max-width:640px){ .cta-glass{ padding:56px 24px; } }

/* ============================================================
   Footer
   ============================================================ */
footer{ padding:56px 0 44px; margin-top:20px; border-top:1px solid var(--hair); }
.footer-top{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:24px; padding-bottom:30px; }
.footer-logo{ font-size:22px; }
.footer-links{ display:flex; flex-wrap:wrap; gap:26px; font-size:14.5px; font-weight:500; color:var(--muted); }
.footer-links a{ transition:color .25s ease; }
.footer-links a:hover{ color:var(--ivy); }
.footer-bottom{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; padding-top:26px; border-top:1px solid var(--hair-2); font-size:13px; color:var(--faint); }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1; transform:none; }
  .orb{ animation:none; }
}