/* Cendekia International School — demo sekolah 16
   Palet: utama #1e3a8a, aksen #0d9488, tema terang */
:root{
  --navy:#1e3a8a;
  --navy-d:#16306e;
  --navy-l:#3b59b3;
  --teal:#0d9488;
  --teal-d:#0b7a70;
  --teal-l:#14b8a6;
  --ink:#1f2433;
  --muted:#5b6478;
  --line:#e3e7f0;
  --bg:#f6f8fc;
  --card:#ffffff;
  --soft:#eef2fb;
  --radius:16px;
  --shadow:0 10px 30px rgba(30,58,138,.10);
  --shadow-sm:0 4px 14px rgba(30,58,138,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--teal-d);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .4em}
h1{font-size:clamp(1.9rem,4.5vw,3rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.01em}
p{margin:0 0 1em}
.container{width:min(1140px,92%);margin-inline:auto}
.section{padding:64px 0}
.section.tight{padding:44px 0}
.eyebrow{
  display:inline-block;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  font-size:.74rem;color:var(--teal-d);background:#d8f3ee;border:1px solid #b9e7df;
  padding:.32em .8em;border-radius:999px;margin-bottom:.9rem;
}
.lead{font-size:1.12rem;color:var(--muted);max-width:62ch}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* Demo bar */
.demobar{
  background:linear-gradient(90deg,var(--navy),var(--teal-d));
  color:#fff;font-size:.86rem;text-align:center;padding:8px 14px;
}
.demobar a{color:#fff;text-decoration:underline;font-weight:600}
.demobar b{letter-spacing:.04em}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:12px 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;color:var(--navy);font-size:1.06rem}
.brand:hover{text-decoration:none}
.brand .logo{
  width:42px;height:42px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--navy),var(--teal));
  display:grid;place-items:center;box-shadow:var(--shadow-sm);
}
.brand small{display:block;font-weight:600;color:var(--teal-d);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}
.brand .bt{line-height:1.1}
#nav{display:none}
.menu{list-style:none;display:flex;gap:.3rem;margin:0;padding:0;align-items:center}
.menu a{
  display:block;padding:.5rem .8rem;border-radius:10px;color:var(--ink);
  font-weight:600;font-size:.95rem;
}
.menu a:hover{background:var(--soft);text-decoration:none;color:var(--navy)}
.menu a.active{color:var(--navy);background:#e2e9fb}
.menu .cta a{background:var(--teal);color:#fff;margin-left:.3rem}
.menu .cta a:hover{background:var(--teal-d)}
.burger{display:none;cursor:pointer;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
.burger svg{display:block}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;font-weight:700;
  padding:.8rem 1.4rem;border-radius:12px;border:1px solid transparent;
  cursor:pointer;font-size:1rem;transition:transform .12s ease,box-shadow .12s;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(13,148,136,.3)}
.btn-primary:hover{background:var(--teal-d)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--navy-d) 0%,var(--navy) 45%,var(--teal-d) 120%);
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    radial-gradient(520px 320px at 88% 12%,rgba(20,184,166,.5),transparent 60%),
    radial-gradient(420px 420px at 8% 90%,rgba(59,89,179,.55),transparent 60%);
}
.hero .container{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center;padding:74px 0}
.hero h1{color:#fff}
.hero .eyebrow{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#d6fbf3}
.hero p{color:#dbe3f7;font-size:1.13rem;max-width:54ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.4rem}
.hero-badges{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:2rem;color:#cfe7ff}
.hero-badges b{display:block;font-size:1.7rem;color:#fff}
.hero-badges span{font-size:.85rem}
/* Hero art (CSS-only campus) */
.hero-art{position:relative;aspect-ratio:1/1;display:grid;place-items:center}
.crest{
  width:80%;max-width:340px;aspect-ratio:1/1;border-radius:28px;
  background:linear-gradient(160deg,rgba(255,255,255,.16),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(6px);
  display:grid;place-items:center;box-shadow:0 30px 60px rgba(0,0,0,.25);
}
.crest svg{width:62%;height:auto}

/* Generic page hero */
.page-hero{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-d) 100%);
  color:#fff;padding:56px 0;position:relative;overflow:hidden;
}
.page-hero::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,184,166,.4),transparent 70%)}
.page-hero h1{color:#fff;position:relative}
.page-hero p{color:#dbe3f7;position:relative;max-width:60ch}
.crumbs{position:relative;font-size:.85rem;color:#b9c6ee;margin-bottom:.7rem}
.crumbs a{color:#d6fbf3}

/* Grid + cards */
.grid{display:grid;gap:1.4rem}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .15s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card h3{font-size:1.18rem}
.card p{color:var(--muted);margin-bottom:0}
.ico{
  width:50px;height:50px;border-radius:13px;display:grid;place-items:center;margin-bottom:1rem;
  background:linear-gradient(135deg,#e2e9fb,#d8f3ee);color:var(--navy);
}
.ico svg{width:26px;height:26px}

/* Feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:2.4rem;align-items:center}
.split .panel{
  background:linear-gradient(145deg,var(--navy),var(--teal-d));border-radius:22px;
  min-height:300px;padding:2rem;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.panel ul{list-style:none;margin:0;padding:0}
.panel li{display:flex;gap:.7rem;align-items:flex-start;margin-bottom:.9rem;color:#eaf0ff}
.panel li svg{flex:none;margin-top:3px;color:#9beede}

/* Checklist */
.checks{list-style:none;margin:0;padding:0}
.checks li{display:flex;gap:.7rem;align-items:flex-start;margin-bottom:.7rem;color:var(--ink)}
.checks li svg{flex:none;margin-top:4px;color:var(--teal)}

/* Strip / band */
.band{background:var(--navy);color:#fff}
.band h2{color:#fff}
.band .lead{color:#cfe0ff}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;text-align:center}
.stats .num{font-size:2.3rem;font-weight:800;color:#fff;background:linear-gradient(90deg,#9beede,#cfe0ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stats .lbl{color:#cfe0ff;font-size:.9rem}

/* Soft section */
.soft{background:var(--soft)}

/* Program / level cards */
.level{border-top:4px solid var(--teal)}
.level .tag{font-size:.78rem;font-weight:700;color:var(--teal-d);text-transform:uppercase;letter-spacing:.08em}
.level ul{padding-left:1.1rem;color:var(--muted);margin:.6rem 0 0}
.level li{margin-bottom:.35rem}

/* Table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{border-collapse:collapse;width:100%;min-width:520px}
th,td{text-align:left;padding:.85rem 1rem;border-bottom:1px solid var(--line);font-size:.95rem}
th{background:var(--soft);color:var(--navy);font-weight:700}
tr:last-child td{border-bottom:none}

/* Steps */
.steps{counter-reset:s;display:grid;gap:1.2rem;grid-template-columns:repeat(4,1fr)}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.3rem 1.3rem;box-shadow:var(--shadow-sm)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-18px;left:1.3rem;width:38px;height:38px;border-radius:11px;background:var(--teal);color:#fff;font-weight:800;display:grid;place-items:center;box-shadow:0 6px 14px rgba(13,148,136,.35)}
.step h3{margin-top:.6rem;font-size:1.08rem}
.step p{color:var(--muted);margin:0}

/* Timeline */
.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 1.4rem 1.6rem}
.timeline li::before{content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px #d8f3ee}
.timeline b{color:var(--navy)}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.tile{
  border-radius:14px;overflow:hidden;aspect-ratio:4/3;position:relative;color:#fff;
  display:flex;align-items:flex-end;padding:1rem;box-shadow:var(--shadow-sm);
  border:1px solid var(--line);
}
.tile span{position:relative;font-weight:700;font-size:.95rem;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(0,0,0,.45))}
.t1{background:linear-gradient(135deg,#1e3a8a,#3b59b3)}
.t2{background:linear-gradient(135deg,#0d9488,#14b8a6)}
.t3{background:linear-gradient(135deg,#16306e,#0b7a70)}
.t4{background:linear-gradient(135deg,#3b59b3,#0d9488)}
.t5{background:linear-gradient(135deg,#0b7a70,#1e3a8a)}
.t6{background:linear-gradient(135deg,#14b8a6,#16306e)}
.t7{background:linear-gradient(135deg,#1e3a8a,#0d9488)}
.t8{background:linear-gradient(135deg,#0d9488,#3b59b3)}
.t9{background:linear-gradient(135deg,#16306e,#14b8a6)}

/* Quote / testimonial */
.quote{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm)}
.quote p{font-style:italic;color:var(--ink)}
.quote .who{font-style:normal;font-weight:700;color:var(--navy);margin:0}
.quote .role{font-size:.85rem;color:var(--muted)}

/* Form */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-sm)}
.note{font-size:.84rem;color:var(--teal-d);background:#d8f3ee;border:1px solid #b9e7df;padding:.5rem .8rem;border-radius:10px;display:inline-block;margin-bottom:1.1rem}
.field{margin-bottom:1rem}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.35rem;color:var(--navy)}
input,select,textarea{
  width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:10px;
  font:inherit;background:#fdfdff;color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--teal-l);border-color:transparent}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* Contact info list */
.info{list-style:none;margin:0;padding:0}
.info li{display:flex;gap:.9rem;align-items:flex-start;margin-bottom:1.1rem}
.info .ico{margin:0;width:44px;height:44px;flex:none}
.info b{color:var(--navy);display:block}
.info span{color:var(--muted)}

/* Map placeholder */
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:300px;position:relative;
  background:
    linear-gradient(135deg,#e2e9fb,#d8f3ee);
  display:grid;place-items:center;color:var(--navy);font-weight:700}
.map::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:34px 34px}
.map span{position:relative;display:flex;gap:.5rem;align-items:center}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--teal-d),var(--navy));color:#fff;border-radius:24px;padding:3rem 2rem;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#d6fbf3;max-width:50ch;margin-inline:auto}
.cta-band .btn-light:hover{background:#eef2fb}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 1.2rem;margin-bottom:.8rem;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:1rem 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--teal);font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);padding-bottom:1rem;margin:0}

/* Footer */
.site-footer{background:#101a36;color:#cdd6ee;padding:54px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2rem}
.site-footer h4{color:#fff;font-size:1rem;margin:0 0 .9rem}
.site-footer a{color:#cdd6ee}
.site-footer a:hover{color:#9beede}
.foot-list{list-style:none;margin:0;padding:0}
.foot-list li{margin-bottom:.5rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;color:#fff;font-weight:800;margin-bottom:.8rem}
.foot-brand .logo{width:40px;height:40px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.2rem;padding-top:1.2rem;font-size:.85rem;color:#9aa6c6;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}
.contact-mini{font-size:.92rem;line-height:1.8}

/* Responsive */
@media(max-width:980px){
  .hero .container{grid-template-columns:1fr;padding:54px 0}
  .hero-art{display:none}
  .g4,.stats,.steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .burger{display:inline-flex}
  .menu{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:.6rem 5%;gap:.2rem;
    box-shadow:var(--shadow);display:none;
  }
  #nav:checked ~ .menu{display:flex}
  .menu .cta a{margin:.3rem 0 0}
  .g3,.g2,.split,.gallery,.row2{grid-template-columns:1fr}
  .section{padding:48px 0}
}
@media(max-width:520px){
  .g4,.stats,.steps{grid-template-columns:1fr}
  .hero-badges{gap:1rem}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
}