:root{
  --navy:#0b1f3a;
  --navy-2:#102a4d;
  --teal: var(--dynamic-primary, #16a39a);
  --teal-2: var(--dynamic-primary, #0fbfb1);
  --gold:#d8a24a;
  --bg:#f7f8fb;
  --text:#0d1726;
  --muted:#5a6477;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 12px 40px rgba(11,31,58,.12);
  --shadow-lg:0 30px 60px rgba(11,31,58,.18);
  --easing:cubic-bezier(.6,.05,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}
h1,h2,h3,h4{font-family:'Playfair Display',serif;line-height:1.15;color:var(--navy)}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:1.15rem}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.4rem;border-radius:999px;font-weight:600;font-size:.95rem;border:1.5px solid transparent;transition:transform .25s var(--easing),box-shadow .25s,background .25s,color .25s;cursor:pointer}
.btn-lg{padding:1rem 1.8rem;font-size:1rem}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--teal-2));color:#fff;box-shadow:0 10px 25px rgba(22,163,154,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(22,163,154,.45)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline:hover{background:#fff;color:var(--navy)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* NAVBAR */
.navbar{position:fixed;inset:0 0 auto 0;z-index:50;padding:1rem 0;transition:background .3s,box-shadow .3s,padding .3s}
.navbar.scrolled{background:rgba(11,31,58,.92);backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(0,0,0,.18);padding:.6rem 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;font-weight:700;font-size:1.1rem}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--teal),var(--gold));color:#fff;font-family:'Playfair Display',serif;font-size:1.2rem}
.brand-text em{font-style:italic;color:var(--teal-2);font-weight:500}
.nav-links{display:flex;align-items:center;gap:1.5rem}
.nav-links a{color:#fff;font-size:.95rem;font-weight:500;position:relative}
.nav-links a:not(.btn):after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--teal-2);transition:width .3s}
.nav-links a:not(.btn):hover:after{width:100%}
.hamburger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer}
.hamburger span{width:26px;height:2px;background:#fff;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* HERO SLIDER */
.hero{position:relative;height:100vh;min-height:640px;overflow:hidden;color:#fff}
.slider{position:absolute;inset:0}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.08);transition:opacity 1.2s ease,transform 6s ease;display:flex;align-items:center}
.slide.active{opacity:1;transform:scale(1)}
.slide-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,31,58,.85) 0%,rgba(11,31,58,.55) 50%,rgba(11,31,58,.35) 100%)}
.slide-content{position:relative;z-index:2;max-width:760px}
.slide.active .eyebrow,
.slide.active .display,
.slide.active .lead,
.slide.active .cta-row{animation:slideUp .9s var(--easing) both}
.slide.active .display{animation-delay:.15s}
.slide.active .lead{animation-delay:.3s}
.slide.active .cta-row{animation-delay:.45s}
@keyframes slideUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}

.eyebrow{display:inline-block;padding:.4rem .9rem;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:999px;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.2rem;backdrop-filter:blur(10px)}
.display{font-family:'Playfair Display',serif;font-size:clamp(2rem,4vw,3.5rem);font-weight:800;color:#fff;letter-spacing:-.02em;margin-bottom:1.2rem}
.lead{font-size:clamp(1rem,1.4vw,1.2rem);color:rgba(255,255,255,.88);max-width:560px;margin-bottom:2rem}
.cta-row{display:flex;flex-wrap:wrap;gap:1rem}

.slider-controls{position:absolute;inset:auto 0 50% 0;display:flex;justify-content:space-between;padding:0 2rem;pointer-events:none;z-index:3}
.slider-arrow{pointer-events:auto;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(0,0,0,.25);color:#fff;cursor:pointer;backdrop-filter:blur(10px);transition:.3s}
.slider-arrow:hover{background:var(--teal);border-color:var(--teal)}
.slider-dots{position:absolute;bottom:160px;left:50%;transform:translateX(-50%);display:flex;gap:.6rem;z-index:3}
.slider-dots button{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s}
.slider-dots button.active{background:var(--teal-2);width:30px;border-radius:5px}

.hero-stats{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(18px);padding:1.2rem 2rem;border-radius:18px;z-index:3}
.hero-stat{text-align:center;color:#fff}
.hero-stat .counter{display:block;font-family:'Playfair Display',serif;font-size:1.8rem;font-weight:700;color:var(--teal-2)}
.hero-stat small{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;opacity:.85}

/* SECTIONS */
.section{padding:6rem 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 3.5rem}
.section-head .kicker{display:inline-block;color:var(--teal);font-weight:600;letter-spacing:.18em;text-transform:uppercase;font-size:.78rem;margin-bottom:.8rem}
.section-head p{color:var(--muted);margin-top:.8rem}
.section-head.light h2,.section-head.light .kicker{color:#fff}
.section-head.light .kicker{color:var(--teal-2)}

/* ALUMNI */
.alumni-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2rem}
.alumni-card{background:#fff;border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;box-shadow:var(--shadow);transition:transform .35s var(--easing),box-shadow .35s}
.alumni-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.alumni-photo{width:130px;height:130px;border-radius:50%;overflow:hidden;margin:0 auto 1.2rem;border:4px solid #fff;outline:2px solid var(--teal);outline-offset:3px}
.alumni-photo img{width:100%;height:100%;object-fit:cover}
.alumni-card h3{letter-spacing:.04em;margin-bottom:.4rem;font-family:'Inter',sans-serif;font-weight:700;font-size:1rem;color:var(--navy)}
.batch-year{display:block;color:var(--teal);font-weight:600;font-size:1.1rem;font-family:'Playfair Display',serif}
.batch-label{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:var(--muted);margin-bottom:.8rem}
.alumni-card p{font-size:.9rem;color:var(--muted)}

/* STATS */
.stats-section{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;position:relative;overflow:hidden}
.stats-section::before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(22,163,154,.25),transparent 70%);top:-200px;right:-200px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;position:relative}
.stat-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;backdrop-filter:blur(10px)}
.stat-card i{font-size:2rem;color:var(--teal-2);margin-bottom:1rem}
.stat-card .counter{display:block;font-family:'Playfair Display',serif;font-size:2.6rem;font-weight:700;color:#fff;margin-bottom:.3rem}
.stat-card p{color:rgba(255,255,255,.7);text-transform:uppercase;font-size:.78rem;letter-spacing:.18em}

/* DONATE */
.donate-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.8rem}
.donate-card{background:#fff;border-radius:var(--radius);padding:2rem;text-align:center;box-shadow:var(--shadow);transition:.35s var(--easing);border-top:4px solid var(--teal)}
.donate-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.donate-card i{font-size:2rem;color:var(--teal);margin-bottom:1rem}
.donate-card h3{margin-bottom:.6rem}
.donate-card p{color:var(--muted);margin-bottom:1.4rem;font-size:.95rem}

/* TESTIMONIALS */
.testimonials-section{background:#fff}
.testi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.8rem}
.testi{background:var(--bg);border-radius:var(--radius);padding:2rem;border-left:4px solid var(--teal);position:relative}
.testi::before{content:"\201C";position:absolute;top:-10px;left:14px;font-size:5rem;color:var(--teal);opacity:.25;font-family:'Playfair Display',serif}
.testi p{font-style:italic;color:var(--text);margin-bottom:1rem}
.testi footer{font-weight:600;color:var(--navy);font-size:.9rem}

/* CTA */
.cta-section{background:linear-gradient(135deg,var(--teal) 0%,var(--navy) 100%);color:#fff;text-align:center}
.cta-inner h2{color:#fff;margin-bottom:.8rem}
.cta-inner p{color:rgba(255,255,255,.85);margin-bottom:2rem}
.cta-form{display:flex;flex-wrap:wrap;justify-content:center;gap:.8rem;max-width:560px;margin:0 auto}
.cta-form input{flex:1;min-width:220px;padding:1rem 1.2rem;border-radius:999px;border:0;font-size:1rem;outline:0}

/* FOOTER */
.footer{background:#08152a;color:rgba(255,255,255,.78);padding:4rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2.5rem}
.footer h4{color:#fff;margin-bottom:1rem;font-family:'Inter',sans-serif;font-size:1rem;letter-spacing:.05em}
.footer a{display:block;color:rgba(255,255,255,.65);margin-bottom:.4rem;font-size:.92rem;transition:color .2s}
.footer a:hover{color:var(--teal-2)}
.footer p{font-size:.92rem;margin-bottom:.4rem}
.footer .muted{color:rgba(255,255,255,.6);margin-top:.8rem;font-size:.88rem}
.socials{display:flex;gap:.6rem}
.socials a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;margin:0;transition:.25s}
.socials a:hover{background:var(--teal);color:#fff;transform:translateY(-3px)}
.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.08);padding-top:1.5rem;margin-top:3rem;font-size:.85rem;color:rgba(255,255,255,.5)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--easing),transform .8s var(--easing)}
.reveal.in{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:880px){
  .navbar{padding:1rem 0}
  .navbar.scrolled{padding:.8rem 0}
  .nav-links{position:absolute;top:100%;left:0;right:0;background:var(--navy);flex-direction:column;padding:0;max-height:0;overflow-y:auto;transition:max-height .4s ease-out, opacity .3s;opacity:0;border-bottom:1px solid rgba(255,255,255,.1);box-shadow:0 10px 20px rgba(0,0,0,.15)}
  .nav-links.open{max-height:calc(100vh - 70px);opacity:1;padding:1rem 0}
  .nav-links a{display:block;padding:.8rem 1.5rem;text-align:center;font-size:1rem;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav-links a:last-child{border-bottom:none}
  .nav-links a.btn{display:inline-block;padding:0.8rem 1.5rem;text-align:center;width:auto;margin:0.5rem auto;border-bottom:none}
  .hamburger{display:flex;z-index:60}
  .slider-controls{padding:0 1rem}
  .slider-arrow{width:42px;height:42px}
  .hero-stats{grid-template-columns:repeat(4,1fr);padding:.8rem 1rem;gap:.4rem;width:94%}
  .hero-stat .counter{font-size:1.2rem}
  .hero-stat small{font-size:.62rem}
  .slider-dots{bottom:140px}
  .section{padding:4rem 0}
}
@media(max-width:520px){
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .slider-dots{bottom:200px}
}