/* SMK Bina Teknologi — style.css (self-contained)
   Palet: utama #1e40af, aksen #f59e0b, tema terang */
:root{
  --biru:#1e40af;
  --biru-tua:#172e7c;
  --biru-muda:#3b62d6;
  --amber:#f59e0b;
  --amber-tua:#d97706;
  --tinta:#1f2433;
  --abu:#5b6478;
  --garis:#e3e8f2;
  --kertas:#ffffff;
  --latar:#f5f7fc;
  --latar-2:#eef2fb;
  --radius:16px;
  --bayang:0 10px 30px rgba(30,64,175,.10);
  --bayang-kuat:0 18px 50px rgba(23,46,124,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--tinta);
  background:var(--latar);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:var(--biru);text-decoration:none}
a:hover{text-decoration:underline}

/* ===== Demo bar ===== */
.demobar{
  background:linear-gradient(90deg,var(--biru-tua),var(--biru));
  color:#fff;font-size:13px;text-align:center;
  padding:7px 14px;
}
.demobar a{color:#ffe2ad;font-weight:600;text-decoration:none}
.demobar a:hover{text-decoration:underline}
.demobar b{letter-spacing:.5px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--garis);
}
.bar{
  max-width:1140px;margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--tinta);font-size:18px}
.brand:hover{text-decoration:none}
.logo{
  width:40px;height:40px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--biru),var(--biru-muda));
  display:grid;place-items:center;box-shadow:var(--bayang);
}
.logo svg{width:24px;height:24px}
.brand small{display:block;font-weight:600;color:var(--amber-tua);font-size:11px;letter-spacing:1px;text-transform:uppercase}

/* Nav + checkbox hack */
#nav{display:none}
.menu{list-style:none;display:flex;gap:4px;align-items:center}
.menu a{
  display:block;padding:9px 14px;border-radius:9px;font-weight:600;
  color:var(--abu);font-size:15px;
}
.menu a:hover{background:var(--latar-2);color:var(--biru);text-decoration:none}
.menu a.active{background:var(--biru);color:#fff}
.menu .cta a{
  background:linear-gradient(135deg,var(--amber),var(--amber-tua));
  color:#3a2400;margin-left:6px;box-shadow:0 6px 16px rgba(245,158,11,.35);
}
.menu .cta a:hover{filter:brightness(1.04);color:#3a2400}
.burger{display:none;cursor:pointer;padding:8px;border-radius:9px;border:1px solid var(--garis)}
.burger span,.burger span::before,.burger span::after{
  content:"";display:block;width:22px;height:2px;background:var(--biru);border-radius:2px;transition:.25s;
}
.burger span::before{transform:translateY(-7px)}
.burger span::after{transform:translateY(5px)}

@media(max-width:820px){
  .burger{display:block}
  .menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--garis);
    padding:10px 16px 16px;box-shadow:var(--bayang);
    display:none;
  }
  .bar{position:relative}
  #nav:checked ~ .menu{display:flex}
  .menu .cta a{margin-left:0;text-align:center}
  #nav:checked ~ .burger span{background:transparent}
  #nav:checked ~ .burger span::before{transform:rotate(45deg)}
  #nav:checked ~ .burger span::after{transform:rotate(-45deg)}
}

/* ===== Layout helpers ===== */
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
section{padding:64px 0}
.section-head{max-width:680px;margin:0 auto 40px;text-align:center}
.kicker{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--amber-tua);
  background:#fff5e6;padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em}
h2{font-size:clamp(26px,4vw,38px)}
.lead{color:var(--abu);font-size:17px;margin-top:10px}

/* Buttons */
.btn{
  display:inline-block;padding:13px 24px;border-radius:11px;font-weight:700;
  border:0;cursor:pointer;font-size:15px;transition:.2s;
}
.btn-amber{background:linear-gradient(135deg,var(--amber),var(--amber-tua));color:#3a2400;box-shadow:0 8px 20px rgba(245,158,11,.32)}
.btn-amber:hover{filter:brightness(1.05);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.14);text-decoration:none}
.btn-biru{background:var(--biru);color:#fff}
.btn-biru:hover{background:var(--biru-tua);text-decoration:none}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1100px 460px at 80% -10%,var(--biru-muda),transparent),
             linear-gradient(135deg,var(--biru-tua),var(--biru));
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  background:radial-gradient(circle,var(--amber),transparent 62%);opacity:.32;border-radius:50%;
}
.hero .wrap{position:relative;z-index:2;padding-top:70px;padding-bottom:74px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,50px);margin-bottom:16px}
.hero p{color:#dbe4ff;font-size:18px;max-width:540px}
.hero .badge{
  display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-stats{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
.hero-stats b{display:block;font-size:26px;color:var(--amber)}
.hero-stats span{font-size:13px;color:#c7d3f7}

/* Hero visual card */
.hero-card{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  border-radius:22px;padding:22px;backdrop-filter:blur(4px);
}
.hero-card .row{display:flex;align-items:center;gap:13px;padding:12px;border-radius:13px;background:rgba(255,255,255,.07);margin-bottom:10px}
.hero-card .row:last-child{margin-bottom:0}
.hero-card .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--amber),var(--amber-tua));flex:0 0 auto}
.hero-card .ic svg{width:22px;height:22px}
.hero-card .row b{display:block;font-size:15px}
.hero-card .row small{color:#c7d3f7}

/* ===== Cards / grid ===== */
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--kertas);border:1px solid var(--garis);border-radius:var(--radius);
  padding:26px;box-shadow:var(--bayang);transition:.22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--bayang-kuat);border-color:#cdd8f3}
.card .ic{
  width:52px;height:52px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,#e8edfd,#dbe4ff);color:var(--biru);
}
.card .ic.amber{background:linear-gradient(135deg,#fff0d6,#ffe2ad);color:var(--amber-tua)}
.card .ic svg{width:26px;height:26px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--abu);font-size:15px}
.tag{display:inline-block;font-size:12px;font-weight:700;color:var(--biru);background:var(--latar-2);padding:3px 11px;border-radius:999px;margin:2px 4px 2px 0}

/* alt bg sections */
.bg-soft{background:linear-gradient(180deg,#fff,var(--latar-2))}
.bg-white{background:#fff}

/* ===== Jurusan cards ===== */
.jur{position:relative;overflow:hidden}
.jur::before{content:"";position:absolute;inset:0 0 auto 0;height:5px;background:linear-gradient(90deg,var(--biru),var(--amber))}
.jur .code{font-size:13px;font-weight:800;color:var(--amber-tua);letter-spacing:1px}

/* ===== List checks ===== */
.checks{list-style:none;display:grid;gap:11px}
.checks li{display:flex;gap:11px;align-items:flex-start;color:#37405a}
.checks svg{flex:0 0 auto;margin-top:3px;width:20px;height:20px;color:var(--amber-tua)}

/* ===== Stat band ===== */
.band{background:linear-gradient(135deg,var(--biru-tua),var(--biru));color:#fff}
.band .grid{text-align:center}
.band b{display:block;font-size:36px;color:var(--amber)}
.band span{color:#cfdaff;font-size:14px}

/* ===== Prestasi / timeline ===== */
.tl{display:grid;gap:14px}
.tl .item{display:flex;gap:16px;background:#fff;border:1px solid var(--garis);border-radius:13px;padding:18px;box-shadow:var(--bayang)}
.tl .yr{font-weight:800;color:var(--biru);min-width:62px}
.tl .medal{flex:0 0 auto;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--amber),var(--amber-tua));color:#3a2400;font-weight:800}

/* ===== Tables ===== */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--bayang)}
.tbl th,.tbl td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--garis);font-size:15px}
.tbl th{background:var(--biru);color:#fff;font-weight:700}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:nth-child(even) td{background:var(--latar)}

/* ===== Galeri ===== */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tile{
  position:relative;aspect-ratio:4/3;border-radius:14px;overflow:hidden;
  display:flex;align-items:flex-end;padding:14px;color:#fff;font-weight:700;font-size:15px;
  box-shadow:var(--bayang);
}
.tile span{position:relative;z-index:2}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent,rgba(0,0,0,.55))}
.t1{background:linear-gradient(135deg,#1e40af,#3b62d6)}
.t2{background:linear-gradient(135deg,#d97706,#f59e0b)}
.t3{background:linear-gradient(135deg,#172e7c,#1e40af)}
.t4{background:linear-gradient(135deg,#2563eb,#60a5fa)}
.t5{background:linear-gradient(135deg,#b45309,#f59e0b)}
.t6{background:linear-gradient(135deg,#1e3a8a,#2563eb)}
.t7{background:linear-gradient(135deg,#3b62d6,#172e7c)}
.t8{background:linear-gradient(135deg,#f59e0b,#d97706)}
.t9{background:linear-gradient(135deg,#1e40af,#0ea5e9)}

/* ===== Forms ===== */
.form{background:#fff;border:1px solid var(--garis);border-radius:var(--radius);padding:28px;box-shadow:var(--bayang)}
.form .note{font-size:13px;color:var(--amber-tua);background:#fff5e6;padding:8px 12px;border-radius:9px;margin-bottom:18px;font-weight:600}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--garis);border-radius:10px;font:inherit;background:var(--latar);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--biru);background:#fff}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* contact info */
.cinfo{display:grid;gap:14px}
.cinfo .row{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--garis);border-radius:13px;padding:16px;box-shadow:var(--bayang)}
.cinfo .ic{width:44px;height:44px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;background:linear-gradient(135deg,#e8edfd,#dbe4ff);color:var(--biru)}
.cinfo .ic svg{width:22px;height:22px}
.cinfo b{display:block}
.cinfo small{color:var(--abu)}

/* CTA strip */
.cta-strip{
  background:linear-gradient(135deg,var(--amber),var(--amber-tua));color:#3a2400;
  border-radius:22px;padding:40px;text-align:center;
}
.cta-strip h2{color:#3a2400}
.cta-strip p{color:#6b4a00;margin:10px 0 22px}
.cta-strip .btn-biru{box-shadow:0 8px 22px rgba(23,46,124,.3)}

/* faq */
.faq details{background:#fff;border:1px solid var(--garis);border-radius:12px;padding:6px 18px;margin-bottom:12px;box-shadow:var(--bayang)}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--amber-tua);font-weight:800;margin-right:10px}
.faq details[open] summary::before{content:"–"}
.faq p{color:var(--abu);padding-bottom:14px}

/* page hero (subpages) */
.phero{background:linear-gradient(135deg,var(--biru-tua),var(--biru));color:#fff;padding:54px 0}
.phero h1{font-size:clamp(28px,4.5vw,42px)}
.phero p{color:#dbe4ff;max-width:620px;margin-top:10px}
.crumb{font-size:13px;color:#bcccf7;margin-bottom:12px}
.crumb a{color:#ffe2ad}

/* ===== Footer ===== */
.site-footer{background:#0f1b3d;color:#cdd6ee;padding:54px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:16px}
.site-footer a{color:#cdd6ee;display:block;padding:4px 0;font-size:14px}
.site-footer a:hover{color:var(--amber)}
.site-footer .brand{color:#fff;margin-bottom:12px}
.site-footer .brand small{color:var(--amber)}
.site-footer p{font-size:14px;color:#9fabd0}
.copyright{border-top:1px solid #21305c;margin-top:34px;padding-top:20px;text-align:center;font-size:13px;color:#8390ba}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:52px}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  section{padding:46px 0}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
  .gal{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .cta-strip{padding:30px 20px}
}