/* Website Bina Insan
   Arah: sekolah internasional yang hangat — biru tua dan emas dari logo, huruf serif berkarakter
   untuk judul, bingkai lengkung (arch) seperti jendela gedung sekolah, banyak ruang kosong. */
:root{
  --ink:#0d1b2a; --paper:#ffffff; --soft:#f1f5fa; --line:#dbe3ed; --muted:#55657a;
  --navy:#0b2545; --navy-2:#13315c; --blue:#0a6cd0; --gold:#e9b949; --gold-2:#c9971f; --gold-soft:#fbf3dc;
  --serif:"Fraunces",Georgia,"Times New Roman",serif; --sans:"Plus Jakarta Sans",system-ui,-apple-system,sans-serif;
  --r:18px;
}
@media (prefers-color-scheme:dark){:root{
  --ink:#e8eef6; --paper:#0a1320; --soft:#0f1b2c; --line:#22334a; --muted:#9bb0c8;
  --navy:#06152a; --navy-2:#0c2240; --blue:#5aa9ff; --gold:#f0c95c; --gold-2:#e3b23d; --gold-soft:#2a2414; color-scheme:dark}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:16.5px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;margin:0;letter-spacing:-.015em;text-wrap:balance}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.muted{color:var(--muted)} .small{font-size:14px} .sel{user-select:all}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.label{display:inline-flex;align-items:center;gap:10px;font:600 12.5px var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2)}
.label::before{content:"";width:28px;height:1.5px;background:currentColor}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 15.5px var(--sans);text-decoration:none;padding:14px 24px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn.gold{background:var(--gold);color:#1d1504}.btn.gold:hover{background:#f2c860}
.btn.navy{background:var(--navy);color:#fff}
.btn.line{border-color:currentColor;color:inherit;background:transparent}
.btn .arr{transition:transform .15s}.btn:hover .arr{transform:translateX(3px)}
/* bar atas */
.util{background:var(--navy);color:#c8d6e8;font-size:13.5px}
.util-in{display:flex;justify-content:space-between;gap:16px;padding-block:7px;flex-wrap:wrap}
.util a{color:#e7eef8;text-decoration:none}.util a:hover{color:var(--gold)}
.util-l,.util-r{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.lang{display:inline-flex;border:1px solid rgba(255,255,255,.25);border-radius:999px;overflow:hidden}
.lang a{padding:2px 10px;font-weight:700;font-size:12px;opacity:.75}.lang a.on{background:var(--gold);color:#1d1504;opacity:1}
/* navigasi */
.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:12px;flex-wrap:wrap}
.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink)}
.brand img{width:50px;height:50px;object-fit:contain}
img.mark{background:none;border-radius:0}
.foot .brand img{background:#fff;border-radius:12px;padding:5px}
.brand strong{display:block;font-family:var(--serif);font-size:22px;line-height:1}
.brand small{display:block;font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:3px}
.mark{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--gold);font-family:var(--serif);font-weight:700}
.links{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.links a{text-decoration:none;color:var(--ink);font-weight:600;font-size:15px;padding:8px 13px;border-radius:999px}
.links a:hover,.links a.on{background:var(--soft)}
.links a.cta{background:var(--gold);color:#1d1504;margin-left:6px}
.nav-t,.nav-b{display:none}
@media (max-width:920px){
  .nav-b{display:inline-flex;cursor:pointer;font-weight:700;padding:9px 16px;border:1.5px solid var(--line);border-radius:999px}
  .links{display:none;width:100%;flex-direction:column;align-items:stretch;padding-bottom:8px}
  .links a{padding:12px 14px}.links a.cta{margin:6px 0 0;text-align:center}
  .nav-t:checked~.links{display:flex}
}
@media (max-width:560px){
  .nav-in{gap:10px;flex-wrap:wrap}.brand{flex:1;min-width:0}.brand img,.mark{width:42px;height:42px}.brand strong{font-size:19px}.brand small{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .util-in{gap:6px 14px;padding-block:6px}.util-l>a:not(.tel){display:none}.util-l,.util-r{gap:12px}
}
/* bagian umum */
.sec{padding-block:clamp(64px,9vw,112px)}
.sec.lembut{background:var(--soft)}
.sec.gelap{background:var(--navy);color:#eef4fb}.sec.gelap .muted{color:#b9c9de}.sec.gelap .label{color:var(--gold)}
.sec.emas{background:var(--gold-soft)}
.head{display:grid;gap:14px;max-width:760px;margin-bottom:clamp(32px,4vw,52px)}
.head h2{font-size:clamp(32px,4.4vw,52px)}
.head p{font-size:18px;color:var(--muted)}
.gelap .head p{color:#c3d2e6}
/* pembuka */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 500px at 85% 20%,rgba(10,108,208,.45),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(233,185,73,.18),transparent 60%);pointer-events:none}
.hero-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,72px);align-items:center;padding-block:clamp(56px,8vw,104px)}
.hero h1{font-size:clamp(40px,5.6vw,74px);color:#fff;margin:18px 0 22px}
.hero h1 em{font-style:italic;color:var(--gold)}
.hero p{font-size:clamp(17px,1.6vw,19.5px);color:#c9d8ec;max-width:56ch}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero .label{color:var(--gold)}
.hero-art{position:relative;justify-self:end;width:100%;max-width:460px}
.arch{position:relative;aspect-ratio:4/5;width:100%;border-radius:999px 999px var(--r) var(--r);overflow:hidden;background:linear-gradient(170deg,#1a4a86,#0b2545 70%);box-shadow:0 30px 80px rgba(0,0,0,.35);outline:1.5px solid rgba(233,185,73,.55);outline-offset:10px}
.arch img.ph{width:100%;height:100%;object-fit:cover}
.arch .crest{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:18px;text-align:center;padding:30px}
.arch .crest img{width:62%;max-width:240px;filter:drop-shadow(0 12px 30px rgba(0,0,0,.35))}
.arch .crest span{font-family:var(--serif);font-size:20px;color:#e9f0fa;font-style:italic}
.seal{position:absolute;left:-14px;bottom:36px;background:var(--gold);color:#1d1504;border-radius:50%;width:112px;height:112px;display:grid;place-items:center;text-align:center;font:700 12px/1.2 var(--sans);letter-spacing:.08em;text-transform:uppercase;box-shadow:0 14px 30px rgba(0,0,0,.25)}
.seal b{display:block;font-family:var(--serif);font-size:30px;letter-spacing:0}
@media (max-width:860px){.hero-in{grid-template-columns:1fr}.hero-art{justify-self:center;max-width:340px}.arch{aspect-ratio:1/1.05}.seal{left:-6px;width:96px;height:96px}}
/* angka */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats div{padding:28px 24px;display:grid;gap:4px}.stats div+div{border-left:1px solid var(--line)}
.stats b{font-family:var(--serif);font-size:clamp(40px,4.6vw,58px);line-height:1;color:var(--navy)}
.stats span{color:var(--muted);font-size:15px}
@media (prefers-color-scheme:dark){.stats b{color:var(--gold)}}
@media (max-width:640px){.stats div+div{border-left:0;border-top:1px solid var(--line)}}
/* jenjang */
.schools{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.school{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:200px 200px var(--r) var(--r);padding:64px 34px 34px;display:grid;gap:16px;align-content:start;text-align:center;transition:transform .2s,box-shadow .2s}
.school:hover{transform:translateY(-3px);box-shadow:0 24px 50px rgba(11,37,69,.10)}
.school .lvl{font-family:var(--serif);font-size:84px;line-height:.9;color:var(--navy);font-weight:700}
@media (prefers-color-scheme:dark){.school .lvl{color:var(--gold)}}
.school h3{font-size:24px}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.chip{font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--soft);color:var(--navy);border:1px solid var(--line)}
@media (prefers-color-scheme:dark){.chip{color:var(--ink)}}
.chip.gold{background:var(--gold-soft);border-color:transparent;color:#7a5a0d}
@media (prefers-color-scheme:dark){.chip.gold{color:var(--gold)}}
.more{font-weight:700;text-decoration:none;display:inline-flex;gap:8px;justify-content:center;align-items:center}
/* keunggulan */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.pillars>div{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:28px 26px;display:grid;gap:10px;align-content:start}
.lembut .pillars>div{background:var(--paper)}
.pillars i{width:12px;height:12px;background:var(--gold);transform:rotate(45deg);display:block;margin-bottom:6px}
.pillars h3{font-size:22px}.pillars p{color:var(--muted)}
/* teks + foto */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.split .prose{display:grid;gap:18px}.split .prose p{font-size:17.5px;color:var(--muted)}
.split .pic{border-radius:220px 220px var(--r) var(--r);overflow:hidden;aspect-ratio:4/5;max-width:440px;justify-self:center;width:100%}
.split .pic img{width:100%;height:100%;object-fit:cover}
.split .quote{border-left:3px solid var(--gold);padding:8px 0 8px 28px;font-family:var(--serif);font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-style:italic;color:var(--navy)}
@media (prefers-color-scheme:dark){.split .quote{color:var(--ink)}}
@media (max-width:860px){.split{grid-template-columns:1fr}}
/* galeri */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-auto-rows:220px;gap:14px}
.gallery figure{margin:0;position:relative;border-radius:14px;overflow:hidden;background:var(--soft)}
.gallery figure:nth-child(5n+1){grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 14px 12px;color:#fff;font-size:14px;font-weight:600;background:linear-gradient(transparent,rgba(5,15,30,.75))}
/* testimoni */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.quotes figure{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px;display:grid;gap:18px}
.quotes blockquote{margin:0;font-family:var(--serif);font-size:21px;line-height:1.45}
.quotes blockquote::before{content:"\201C";display:block;font-size:56px;line-height:.6;color:var(--gold)}
.quotes figcaption b{display:block}.quotes figcaption span{color:var(--muted);font-size:14px}
/* berita */
.news{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px}
.post{display:grid;gap:14px;text-decoration:none;color:inherit}
.post .ph{aspect-ratio:3/2;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,var(--navy),var(--navy-2));display:grid;place-items:center}
.post .ph img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.post:hover .ph img{transform:scale(1.04)}
.post .ph .mk{font-family:var(--serif);color:var(--gold);font-size:30px}
.post h3{font-size:22px}.post:hover h3{color:var(--blue)}
.meta{font-size:13.5px;color:var(--muted);font-weight:600;letter-spacing:.02em}
.head-row{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:clamp(28px,4vw,44px)}
.head-row .head{margin-bottom:0}
/* faq */
.faq{display:grid;gap:12px;max-width:860px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:0 22px}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 0;font-weight:700;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--serif);font-size:26px;color:var(--gold-2);line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 20px;color:var(--muted)}
/* ajakan */
.cta-box{display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center}
.cta-box h2{font-size:clamp(30px,4vw,48px)}
.cta-box p{margin-top:12px;color:var(--muted);font-size:17.5px;max-width:60ch}
@media (max-width:760px){.cta-box{grid-template-columns:1fr}}
/* video */
.video{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000;max-width:980px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* kontak */
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.contact>div{border-top:2px solid var(--gold);padding-top:18px;display:grid;gap:6px}
.contact h3{font-size:20px}
/* halaman dalam */
.page-head{background:var(--navy);color:#fff;padding-block:clamp(56px,7vw,96px) clamp(48px,6vw,80px);position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 90% 0%,rgba(10,108,208,.45),transparent 60%);pointer-events:none}
.page-head .wrap{position:relative;display:grid;gap:16px}
.page-head h1{font-size:clamp(38px,5.4vw,66px);color:#fff}
.page-head p{color:#c9d8ec;max-width:62ch;font-size:18.5px}
.page-head .label{color:var(--gold)}
.two{display:grid;grid-template-columns:1.45fr 1fr;gap:clamp(32px,5vw,64px);align-items:start}
@media (max-width:900px){.two{grid-template-columns:1fr}}
.block-t{font-size:clamp(26px,3vw,34px);margin-bottom:18px}
.majors{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.major{border:1px solid var(--line);border-radius:14px;padding:22px;display:grid;gap:6px;background:var(--paper)}
.major b{font-family:var(--serif);font-size:22px;font-weight:600}
.fees{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.fees li{padding:14px 18px;border-radius:12px;background:var(--soft);border-left:3px solid var(--gold)}
.datasheet{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:0;background:var(--paper)}
.datasheet div{display:flex;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid var(--line)}
.datasheet div:last-child{border-bottom:0}.datasheet dt{color:var(--muted)}.datasheet dd{margin:0;font-weight:700;text-align:right}
.aside-cta{background:var(--navy);color:#fff;border-radius:var(--r);padding:28px;display:grid;gap:14px}
.aside-cta h3{color:#fff;font-size:24px}.aside-cta p{color:#c9d8ec}
/* formulir */
.formcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,4vw,40px);display:grid;gap:22px}
.formcard h2{font-size:26px}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.fgrid label{display:grid;gap:7px;font-size:14.5px;font-weight:700}
.fgrid .full{grid-column:1/-1}
input,select,textarea{font:inherit;font-weight:400;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;width:100%;min-width:0}
.radio{display:flex;gap:12px;flex-wrap:wrap}
.radio label{display:flex;gap:10px;align-items:center;border:1.5px solid var(--line);border-radius:14px;padding:14px 18px;font-weight:700;cursor:pointer;flex:1;min-width:200px}
.radio label:has(input:checked){border-color:var(--blue);background:var(--soft)}
.radio input{width:auto;accent-color:var(--blue)}
.alert{padding:14px 18px;border-radius:12px;background:var(--soft)}
.alert.err{background:#fbe6e3;color:#7a2219}
@media (prefers-color-scheme:dark){.alert.err{background:#3a1f1c;color:#f3b9b1}}
.ticket{border:2px dashed var(--gold-2);border-radius:var(--r);padding:30px;display:grid;gap:12px;background:var(--gold-soft)}
.ticket .code{font-family:ui-monospace,Menlo,monospace;font-size:28px;font-weight:700;letter-spacing:.05em;user-select:all}
.article{max-width:760px}
.article .body{font-size:18px}.article .body p{margin:0 0 1.1em}
.article img{border-radius:var(--r);margin-block:24px}
.empty{border:1.5px dashed var(--line);border-radius:14px;padding:26px;color:var(--muted)}
/* footer */
.foot{background:var(--navy);color:#bccbdf;padding-block:72px 32px}
.foot-in{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.foot .brand,.foot .brand strong{color:#fff}.foot .brand small{color:#9fb4cf}
.foot h3{color:#fff;font-size:18px;margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{color:#e3ebf6;text-decoration:none}.foot a:hover{color:var(--gold)}
.foot-b{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px}
@media (max-width:860px){.foot-in{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-in{grid-template-columns:1fr}}
.wa-float{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));background:#1f8f4e;color:#fff;font-weight:700;text-decoration:none;padding:13px 20px;border-radius:999px;box-shadow:0 12px 28px rgba(0,0,0,.25);z-index:50;font-size:15px}