:root{
  --teal-deep:#0b5763;
  --teal:#0f7a8c;
  --turquoise:#22b2c4;
  --gold:#f0b23e;
  --cream:#faf8f3;
  --ink:#1c2b2e;
  --ink-soft:#4a5a5d;
  --line:#e2ddd0;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --cream:#10191a; --ink:#eef3f2; --ink-soft:#b9c4c3; --line:#233234;
  }
}
:root[data-theme="dark"]{
  --cream:#10191a; --ink:#eef3f2; --ink-soft:#b9c4c3; --line:#233234;
}
html{scroll-behavior:smooth; scroll-padding-top:env(safe-area-inset-top,0px);}
*{box-sizing:border-box;}
body{
  margin:0; background:var(--cream); color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Fraunces',Georgia,serif; margin:0; letter-spacing:-0.01em;}
img{max-width:100%; display:block;}
a{color:inherit;}
.wrap{max-width:1120px; margin:0 auto; padding:0 24px;}

/* NAV */
header{
  position:sticky; top:env(safe-area-inset-top,0px); z-index:50;
  background:rgba(250,248,243,0.92); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
:root[data-theme="dark"] header{background:rgba(16,25,26,0.92);}
nav.wrap{display:flex; align-items:center; justify-content:space-between; height:64px;}
.brand{display:flex; align-items:center; gap:10px; font-family:'Fraunces',serif; font-weight:600; font-size:1.15rem; text-decoration:none; color:var(--teal-deep);}
:root[data-theme="dark"] .brand{color:var(--turquoise);}
.brand .mark{width:38px; height:38px; border-radius:50%; overflow:hidden; flex-shrink:0; background:#fff; display:flex; align-items:center; justify-content:center; box-shadow:0 0 0 1px var(--line);}
.brand .mark img{width:100%; height:100%; object-fit:contain;}
.brand.footer-brand .mark{background:#0d3038;}
.navlinks{display:flex; gap:28px; list-style:none; margin:0; padding:0; font-size:0.95rem; font-weight:500;}
.navlinks a{text-decoration:none; color:var(--ink-soft); transition:color .15s;}
.navlinks a:hover, .navlinks a:focus-visible{color:var(--teal);}
.nav-cta{display:none;}
@media(min-width:720px){.nav-cta{display:inline-flex;}}
.navlinks{display:none;}
@media(min-width:720px){.navlinks{display:flex;}}
.menu-btn{background:none;border:none;font-size:1.6rem;color:var(--teal-deep);cursor:pointer;}
@media(min-width:720px){.menu-btn{display:none;}}
.mobile-menu{display:none; flex-direction:column; gap:2px; padding:8px 24px 18px; border-top:1px solid var(--line);}
.mobile-menu.open{display:flex;}
.mobile-menu a{padding:10px 0; text-decoration:none; color:var(--ink); font-weight:500; border-bottom:1px solid var(--line);}

/* BUTTONS */
.btn{display:inline-flex; align-items:center; gap:8px; padding:12px 22px; border-radius:999px; font-weight:600; font-size:0.95rem; text-decoration:none; border:1px solid transparent; cursor:pointer;}
.btn-primary{background:var(--teal); color:#fff;}
.btn-primary:hover{background:var(--teal-deep);}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line);}
.btn-ghost:hover{border-color:var(--teal);}
.btn-gold{background:var(--gold); color:#3a2a05;}

/* HERO */
.hero{position:relative; color:#fff; min-height:88vh; display:flex; align-items:flex-end;}
.hero .bg{position:absolute; inset:0; background-image:url('images/img01.jpg'); background-size:cover; background-position:center 30%;}
.hero .scrim{position:absolute; inset:0; background:linear-gradient(180deg, rgba(11,87,99,0.35) 0%, rgba(11,87,99,0.55) 55%, rgba(9,20,22,0.88) 100%);}
.hero-inner{position:relative; padding:48px 24px 56px; max-width:1120px; margin:0 auto; width:100%;}
.eyebrow{font-size:0.85rem; letter-spacing:0.08em; color:var(--gold); font-weight:600; margin-bottom:14px;}
.hero h1{font-size:clamp(2.1rem,5.6vw,3.6rem); font-weight:600; line-height:1.08; max-width:14ch;}
.hero p{margin-top:18px; font-size:1.1rem; max-width:46ch; color:#e7f3f2;}
.hero-actions{margin-top:28px; display:flex; gap:14px; flex-wrap:wrap;}

/* SECTIONS */
section{padding:76px 0;}
.section-head{max-width:640px; margin-bottom:44px;}
.tag{color:var(--teal); font-weight:600; font-size:0.85rem; letter-spacing:0.03em;}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem); margin-top:8px;}
.section-head p{color:var(--ink-soft); margin-top:14px; font-size:1.05rem;}

.split{display:grid; gap:40px; align-items:center;}
@media(min-width:860px){.split{grid-template-columns:1fr 1fr; gap:64px;}}
.split.reverse .media{order:2;}
@media(max-width:859px){.split.reverse .media{order:0;}}
.media img{border-radius:14px; box-shadow:0 20px 40px -20px rgba(11,87,99,0.35);}
.split h3{font-size:1.5rem; margin-bottom:14px;}
.split p{color:var(--ink-soft); margin-bottom:12px;}
.pillar-list{list-style:none; margin:18px 0 0; padding:0; display:grid; gap:10px;}
.pillar-list li{display:flex; gap:10px; align-items:flex-start; color:var(--ink);}
.pillar-list li::before{content:"—"; color:var(--turquoise); font-weight:700; flex-shrink:0;}

.stat-row{display:grid; grid-template-columns:repeat(2,1fr); gap:20px; margin-top:32px;}
@media(min-width:640px){.stat-row{grid-template-columns:repeat(4,1fr);}}
.stat{border-left:2px solid var(--turquoise); padding-left:14px;}
.stat b{display:block; font-family:'Fraunces',serif; font-size:1.9rem; color:var(--teal-deep);}
:root[data-theme="dark"] .stat b{color:var(--turquoise);}
.stat span{color:var(--ink-soft); font-size:0.9rem;}

.alt-bg{background:linear-gradient(180deg,var(--cream),#eef7f6 60%,var(--cream));}
:root[data-theme="dark"] .alt-bg{background:linear-gradient(180deg,var(--cream),#0d2224 60%,var(--cream));}

.subject-grid{display:grid; gap:16px; grid-template-columns:repeat(2,1fr); margin-top:36px;}
@media(min-width:640px){.subject-grid{grid-template-columns:repeat(3,1fr);}}
.subject{background:#fff; border:1px solid var(--line); border-radius:12px; padding:20px;}
:root[data-theme="dark"] .subject{background:#152425;}
.subject h4{margin:0 0 6px; font-size:1.05rem; font-family:'Fraunces',serif;}
.subject p{margin:0; color:var(--ink-soft); font-size:0.92rem;}

.gallery-strip{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:40px;}
.gallery-strip img{border-radius:12px; height:100%; object-fit:cover; aspect-ratio:4/5;}

/* TEACHERS */
.teacher-grid{display:grid; gap:22px; grid-template-columns:1fr; margin-top:36px;}
@media(min-width:640px){.teacher-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:960px){.teacher-grid{grid-template-columns:repeat(3,1fr);}}
.teacher-card{background:#fff; border:1px solid var(--line); border-radius:14px; overflow:hidden;}
:root[data-theme="dark"] .teacher-card{background:#152425;}
.teacher-photo{height:190px; background-size:cover; background-position:center;}
.teacher-body{padding:18px 20px 22px;}
.teacher-body h4{font-family:'Fraunces',serif; font-size:1.15rem; margin:0;}
.teacher-body .subj{color:var(--teal); font-weight:600; font-size:0.88rem; margin:4px 0 10px;}
.teacher-body p{color:var(--ink-soft); font-size:0.92rem; margin:0;}
.teacher-note{margin-top:26px; padding:18px 20px; border:1px dashed var(--turquoise); border-radius:12px; color:var(--ink-soft); font-size:0.92rem; background:rgba(34,178,196,0.06);}

/* CONTACT */
.contact-wrap{display:grid; gap:40px;}
@media(min-width:900px){.contact-wrap{grid-template-columns:1fr 1fr;}}
.contact-card{background:#fff; border:1px solid var(--line); border-radius:16px; padding:28px;}
:root[data-theme="dark"] .contact-card{background:#152425;}
.contact-row{display:flex; gap:14px; align-items:flex-start; padding:14px 0; border-bottom:1px solid var(--line);}
.contact-row:last-child{border-bottom:none;}
.contact-row .ic{width:38px; height:38px; border-radius:10px; background:var(--teal); color:#fff; display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size:1.05rem;}
.contact-row b{display:block; font-size:0.95rem;}
.contact-row span{color:var(--ink-soft); font-size:0.9rem;}
.map-box{margin-top:18px; border-radius:14px; overflow:hidden; border:1px solid var(--line); aspect-ratio:16/10; background:linear-gradient(135deg,#dff2f1,#c9e8e6); display:flex; align-items:center; justify-content:center; color:var(--teal-deep); font-weight:600; text-align:center; padding:20px;}
form.contact-form{display:grid; gap:14px;}
form.contact-form input, form.contact-form textarea{
  width:100%; padding:13px 15px; border-radius:10px; border:1px solid var(--line);
  font-family:inherit; font-size:0.95rem; background:var(--cream); color:var(--ink);
}
form.contact-form textarea{min-height:120px; resize:vertical;}
form.contact-form label{font-size:0.85rem; font-weight:600; color:var(--ink-soft); margin-bottom:-8px;}

footer{background:var(--teal-deep); color:#dcefee; padding:44px 0 100px;}
footer .wrap{display:flex; flex-direction:column; gap:14px;}
footer a{color:#dcefee; text-decoration:none;}
footer .foot-links{display:flex; gap:20px; flex-wrap:wrap; font-size:0.9rem;}
.social-row{display:flex; gap:12px;}
.social-ic{width:38px; height:38px; border-radius:50%; border:1px solid rgba(220,239,238,0.35); display:flex; align-items:center; justify-content:center; color:#dcefee; transition:background .15s, border-color .15s;}
.social-ic:hover{background:rgba(220,239,238,0.12); border-color:var(--turquoise);}
.fine{font-size:0.8rem; color:#9dc4c2;}

/* WHATSAPP FLOAT */
.wa-float{
  position:fixed; right:18px; bottom:calc(18px + env(safe-area-inset-bottom,0px)); z-index:60;
  background:#22b2c4; color:#fff; width:58px; height:58px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; text-decoration:none;
  box-shadow:0 10px 24px -6px rgba(11,87,99,0.55); font-size:1.5rem;
}
.wa-float:hover{background:#0f7a8c;}

@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto;}}

.gallery-grid{display:grid; gap:12px; grid-template-columns:repeat(2,1fr); margin-top:36px;}
@media(min-width:640px){.gallery-grid{grid-template-columns:repeat(3,1fr);}}
.gallery-grid img{border-radius:12px; aspect-ratio:4/5; object-fit:cover; width:100%;}
.social-row{display:flex; gap:10px;}
.social-icon{width:40px; height:40px; border-radius:10px; background:rgba(255,255,255,0.12); display:flex; align-items:center; justify-content:center; color:#eafcfb; transition:background .15s;}
.social-icon:hover{background:var(--turquoise);}
.social-icon svg{width:20px; height:20px;}
.contact-card .social-row .social-icon{background:var(--cream); border:1px solid var(--line); color:var(--teal-deep);}
.contact-card .social-row .social-icon:hover{background:var(--turquoise); color:#fff; border-color:var(--turquoise);}