:root{
  --navy:#071a3d;
  --blue:#0c6ff9;
  --cyan:#08c5ff;
  --sky:#eaf8ff;
  --ink:#13213b;
  --muted:#5d6a80;
  --white:#ffffff;
  --card:#ffffff;
  --line:#dbeeff;
  --shadow:0 22px 70px rgba(0,86,184,.14);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Montserrat",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(21,174,255,.09), transparent 32%),
    radial-gradient(circle at 90% 20%, rgba(0,94,255,.08), transparent 28%),
    #fff;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin-inline:auto}

.page-progress{
  position:fixed;left:0;top:0;height:4px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
  z-index:9999;box-shadow:0 0 16px rgba(8,197,255,.8);
}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(15,99,200,.10);
}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem}
.brand-orb{width:42px;height:42px;border-radius:50%;object-fit:cover;animation:spinFloat 9s linear infinite}
.brand strong{color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:24px;font-size:.92rem;font-weight:700}
.nav-links a{transition:.25s ease}
.nav-links a:hover{color:var(--blue);transform:translateY(-1px)}
.nav-cta{
  padding:12px 18px;border-radius:999px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#fff!important;box-shadow:0 10px 28px rgba(0,116,255,.22)
}
.menu-toggle{display:none;border:0;background:transparent;font-size:1.7rem;color:var(--navy)}

.hero{
  min-height:850px;padding:150px 0 80px;position:relative;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(235,248,255,.95),rgba(255,255,255,.97) 40%,rgba(223,246,255,.92)),
    radial-gradient(circle at 82% 28%,rgba(0,150,255,.18),transparent 28%);
}
.hero-mesh{
  position:absolute;inset:0;opacity:.32;
  background-image:
    linear-gradient(rgba(14,119,255,.08) 1px, transparent 1px),
    linear-gradient(90deg,rgba(14,119,255,.08) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:linear-gradient(to bottom,#000,transparent 85%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:64px}
.eyebrow,.section-kicker{
  letter-spacing:.16em;font-size:.78rem;font-weight:900;color:var(--blue);
}
.hero h1{
  margin:18px 0 22px;font-size:clamp(3rem,6vw,5.6rem);line-height:.98;letter-spacing:-.055em;
}
.gradient-text{
  background:linear-gradient(90deg,var(--blue),#00bdf2,#5a67ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.14rem;line-height:1.8;color:var(--muted);max-width:760px}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:50px;padding:0 22px;border-radius:14px;font-weight:800;
  transition:.25s ease;border:1px solid transparent;
}
.btn:hover{transform:translateY(-3px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 14px 32px rgba(0,111,255,.24)}
.btn-secondary{background:#fff;border-color:#cfe8ff;color:var(--navy)}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;max-width:720px}
.mini-stats div{padding:16px 14px;border:1px solid #d9ecff;border-radius:16px;background:rgba(255,255,255,.78);box-shadow:0 10px 30px rgba(0,90,170,.05)}
.mini-stats strong{display:block;color:var(--blue);font-size:.92rem}
.mini-stats span{display:block;font-size:.78rem;color:var(--muted);margin-top:5px}

.hero-visual{position:relative;display:grid;place-items:center}
.photo-orbit{position:relative;width:min(470px,85vw);aspect-ratio:1/1}
.image-shell{
  position:absolute;inset:12%;border-radius:42% 58% 55% 45% / 47% 44% 56% 53%;
  overflow:hidden;background:#fff;padding:10px;box-shadow:0 28px 80px rgba(0,76,171,.22);
  animation:morph 9s ease-in-out infinite;
}
.image-shell img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.orbit{position:absolute;border-radius:50%;border:2px dashed rgba(0,130,255,.28)}
.orbit-a{inset:4%;animation:spin 18s linear infinite}
.orbit-b{inset:0 12% 10% 1%;animation:spinReverse 14s linear infinite}
.floating-marble{
  position:absolute;width:85px;right:-6px;bottom:26px;border-radius:50%;
  filter:drop-shadow(0 14px 22px rgba(0,83,155,.28));
  animation:floatY 3.8s ease-in-out infinite;
}
.identity-card{
  position:absolute;right:-6px;bottom:-5px;display:flex;gap:12px;align-items:center;
  padding:15px 18px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border:1px solid rgba(0,120,255,.13);border-radius:18px;box-shadow:var(--shadow)
}
.identity-card strong{display:block}
.identity-card small{display:block;color:var(--muted);margin-top:3px}
.status-dot{width:12px;height:12px;border-radius:50%;background:#14d889;box-shadow:0 0 0 6px rgba(20,216,137,.12)}

.float{position:absolute;border-radius:50%;filter:blur(2px);opacity:.65}
.float-1{width:160px;height:160px;left:-50px;top:190px;background:rgba(0,177,255,.14);animation:drift 10s ease-in-out infinite}
.float-2{width:90px;height:90px;right:8%;top:130px;background:rgba(53,91,255,.14);animation:drift 7s ease-in-out infinite reverse}
.float-3{width:220px;height:220px;right:-80px;bottom:150px;background:rgba(0,226,255,.12);animation:drift 12s ease-in-out infinite}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;height:120px}
.hero-wave svg{width:100%;height:100%}
.hero-wave path{fill:#fff}

.ticker{overflow:hidden;border-block:1px solid #d8ecff;background:#f7fcff;padding:15px 0}
.ticker-track{display:flex;gap:24px;white-space:nowrap;width:max-content;font-weight:900;color:#0f56aa;animation:ticker 28s linear infinite}
.ticker-track b{color:var(--cyan)}

.section{padding:105px 0}
.section-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.section h2,.section-heading h2{
  margin:10px 0 18px;font-size:clamp(2.2rem,4vw,4rem);line-height:1.06;letter-spacing:-.045em;color:var(--navy)
}
.about-copy{font-size:1.05rem;line-height:1.85;color:var(--muted)}
.text-link{display:inline-flex;margin-top:16px;font-weight:900;color:var(--blue)}
.text-link:hover{transform:translateX(4px)}

.services{background:linear-gradient(180deg,#fff,#f0f9ff 72%,#fff)}
.section-heading{max-width:780px;margin-bottom:44px}
.section-heading>p:last-child{color:var(--muted);line-height:1.75}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card,.credential-card{
  background:rgba(255,255,255,.9);border:1px solid #dcebfb;border-radius:24px;padding:28px;
  box-shadow:0 18px 55px rgba(0,82,164,.08);transition:.3s ease;position:relative;overflow:hidden
}
.service-card:before,.credential-card:before{
  content:"";position:absolute;width:120px;height:120px;border-radius:50%;
  right:-50px;top:-50px;background:rgba(0,162,255,.08)
}
.service-card:hover,.credential-card:hover{transform:translateY(-8px);box-shadow:0 24px 70px rgba(0,95,195,.14)}
.icon-badge{
  width:54px;height:54px;border-radius:18px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-weight:900;margin-bottom:22px
}
.service-card h3{font-size:1.35rem;margin:0 0 10px;color:var(--navy)}
.service-card p{color:var(--muted);line-height:1.7}

.project-showcase{
  margin-top:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;
  background:#fff;border:1px solid #dcedff;border-radius:30px;padding:24px;box-shadow:var(--shadow)
}
.project-image img{border-radius:22px}
.project-copy{padding:20px}
.project-copy h3{font-size:2rem;margin:10px 0}
.project-copy p{color:var(--muted);line-height:1.75}

.teaching-panel{
  border-radius:36px;padding:64px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  color:#fff;background:
    radial-gradient(circle at 85% 20%,rgba(0,214,255,.35),transparent 30%),
    linear-gradient(135deg,#071a3d,#0d4ba5 55%,#0970e7);
  box-shadow:0 30px 80px rgba(6,46,105,.24);overflow:hidden;position:relative
}
.teaching-panel .section-kicker{color:#79dbff}
.teaching-panel h2{color:#fff}
.teaching-panel p{line-height:1.75;color:#dcecff}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill-row span{padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);font-weight:700;font-size:.82rem}
.teaching-orb{display:grid;place-items:center}
.big-orb{
  width:300px;height:300px;border-radius:50%;display:grid;place-items:center;text-align:center;align-content:center;
  background:radial-gradient(circle at 35% 30%,#7eeaff,#1688ff 48%,#0a2c74);
  box-shadow:inset 0 0 0 12px rgba(255,255,255,.12),0 25px 55px rgba(0,0,0,.25);
  animation:floatY 4s ease-in-out infinite
}
.big-orb strong{font-size:3rem;line-height:1}
.orb-line{font-weight:900;letter-spacing:.08em}

.credential-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.credential-card span{font-size:2.4rem;font-weight:900;color:#8adfff}
.credential-card p{color:var(--blue);font-weight:800;font-size:.82rem;letter-spacing:.04em}
.credential-card h3{font-size:1.22rem;line-height:1.45;margin-bottom:0}

.video-section{background:#f7fbff}
.video-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
.video-copy p:not(.section-kicker){color:var(--muted);line-height:1.8}
.video-frame{
  position:relative;padding-top:56.25%;border-radius:28px;overflow:hidden;
  box-shadow:0 26px 80px rgba(0,65,140,.18);border:8px solid #fff
}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.cta-section{padding:80px 0 110px}
.cta-card{
  display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;
  padding:54px;border-radius:32px;background:linear-gradient(135deg,#0875f4,#0fb9ef);color:#fff;
  box-shadow:0 30px 80px rgba(0,118,235,.25)
}
.cta-card h2{color:#fff;margin:8px 0 0;font-size:clamp(2rem,4vw,3.5rem);line-height:1.08}
.cta-card .section-kicker{color:#d6f7ff}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.btn-light{background:#fff;color:#0b4fa8}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff}

.footer{background:#061633;color:#d8e7ff;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.footer-brand{color:#fff}
.footer p{max-width:600px;line-height:1.7;color:#abc4e9}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;justify-content:flex-end}
.footer-links a:hover{color:#70dcff}
.copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:.85rem;color:#90aad1}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

@keyframes ticker{to{transform:translateX(-50%)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spinReverse{to{transform:rotate(-360deg)}}
@keyframes spinFloat{0%{transform:rotate(0) translateY(0)}50%{transform:rotate(180deg) translateY(-3px)}100%{transform:rotate(360deg) translateY(0)}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
@keyframes drift{0%,100%{transform:translate(0,0)}50%{transform:translate(35px,-24px)}}
@keyframes morph{
  0%,100%{border-radius:42% 58% 55% 45% / 47% 44% 56% 53%}
  50%{border-radius:55% 45% 43% 57% / 58% 56% 44% 42%}
}

@media (max-width: 900px){
  .menu-toggle{display:block}
  .nav-links{
    position:absolute;top:76px;left:4%;right:4%;display:none;flex-direction:column;align-items:stretch;
    background:rgba(255,255,255,.97);padding:18px;border-radius:20px;box-shadow:var(--shadow)
  }
  .nav-links.open{display:flex}
  .hero{padding-top:125px;min-height:auto}
  .hero-grid,.section-grid,.project-showcase,.teaching-panel,.video-grid,.cta-card,.footer-grid{grid-template-columns:1fr}
  .hero-copy{text-align:center}
  .hero-lead{margin-inline:auto}
  .hero-buttons{justify-content:center}
  .mini-stats{margin-inline:auto}
  .hero-visual{margin-top:25px}
  .card-grid,.credential-grid{grid-template-columns:1fr}
  .teaching-panel{padding:38px 24px}
  .cta-actions,.footer-links{justify-content:flex-start}
  .identity-card{right:2%}
}

@media (max-width: 560px){
  .hero h1{font-size:2.7rem}
  .mini-stats{grid-template-columns:1fr}
  .photo-orbit{width:88vw}
  .floating-marble{width:65px}
  .section{padding:78px 0}
  .project-showcase{padding:14px}
  .project-copy{padding:10px}
  .big-orb{width:230px;height:230px}
  .cta-card{padding:34px 24px}
  .copyright{flex-direction:column}
}

@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}