/* NgodingYuk — situs resmi */
:root{
  --ink:#14101F;
  --body:#56506E;
  --muted:#8E88A4;
  --violet:#6949FF;
  --violet-d:#4D33CC;
  --violet-t:#F1EEFF;
  --lime:#A3E635;
  --bg:#FFFFFF;
  --bg-alt:#FAF9FD;
  --line:#EAE7F3;
  --line-2:#DED9EE;
  --radius:14px;
  /* Shell melar ngikutin layar, dengan self-breakpoint — tanpa media query.
     Lantai 1140px penting: tanpa itu 96vw bikin shell lebih SEMPIT dari viewport di HP
     (96vw = 360px di layar 375px) alias malah nambah margin. Dengan max(1140px,...),
     di viewport <1187px nilainya balik 1140px → width:100% yang menang → persis seperti semula. */
  --wrap:min(1600px,max(1140px,96vw));
  --gutter:clamp(24px,2.6vw,52px);
  --measure:34em;   /* rel lebar teks — sengaja TIDAK ikut melebar bareng shell */
  --font:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--body);background:var(--bg);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--ink);margin:0;line-height:1.15;letter-spacing:-.022em;font-weight:800}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
code{font-family:var(--mono);font-size:.9em}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:10px 14px;border-radius:8px;z-index:99}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.is-stuck{border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.mark{width:30px;height:30px;border-radius:9px;flex:0 0 auto}
.brand-name{font-weight:800;color:var(--ink);letter-spacing:-.02em;font-size:17px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15px;font-weight:600}
.nav-links a{color:var(--body);transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.burger{display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.burger span+span{margin-top:5px}
/* Pemilih bahasa situs (ID/EN) — tetap terlihat di mobile, beda dari nav-links yang masuk burger. */
.langsw{display:inline-flex;flex:0 0 auto;border:1px solid var(--line-2);border-radius:999px;overflow:hidden;font-size:12.5px;font-weight:800}
.langsw a{padding:6px 11px;color:var(--muted);transition:background .15s,color .15s}
.langsw a:hover{color:var(--ink);background:var(--bg-alt)}
.langsw a[aria-current="true"]{background:var(--violet);color:#fff}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--violet);color:#fff;font-weight:700;font-size:15px;
  padding:11px 18px;border-radius:11px;letter-spacing:-.01em;
  box-shadow:0 2px 0 var(--violet-d);transition:transform .12s,box-shadow .12s;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 3px 0 var(--violet-d)}
.btn:active{transform:translateY(1px);box-shadow:0 1px 0 var(--violet-d)}
.btn-sm{flex:0 0 auto}
.btn-lg{padding:14px 24px;font-size:16px;border-radius:12px}
.btn-ghost{background:#fff;color:var(--ink);box-shadow:none;border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--muted);box-shadow:none}
.btn-on-dark{background:#fff;color:var(--violet-d);box-shadow:0 2px 0 rgba(0,0,0,.18)}

/* ---------- HERO ---------- */
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--violet);margin-bottom:16px}
.hero{padding:76px 0 24px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,4.4vw,54px);letter-spacing:-.035em}
.lead{margin-top:20px;font-size:18px;max-width:33em}
.lead strong{color:var(--ink);font-weight:700}
.cta-row{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.fineprint{margin-top:16px;font-size:14px;color:var(--muted)}
.hero-art{position:relative;height:580px;display:flex;align-items:center;justify-content:center}
.hero-art .phone{width:224px}

/* ---------- PHONE FRAME ---------- */
.phone{
  background:#12101C;padding:7px;border-radius:34px;
  /* tanpa drop-shadow: dua HP di hero saling numpuk → bayangannya dobel jadi noda abu-abu,
     apalagi HP-nya lebih tinggi dari panel jadi bayangannya jatuh ke putih di luar panel.
     Sisain garis tepi tipis aja biar bezel-nya tetap kebaca di latar terang. */
  box-shadow:0 0 0 1px rgba(20,16,31,.08);
  width:266px;flex:0 0 auto;
}
.phone img{border-radius:27px}
.phone-sm{width:232px}
.hero-art .phone{position:absolute}
/* Hero 3 HP: home di tengah-depan, map & lesson miring di kiri/kanan belakang. */
.phone-c{z-index:3}
.phone-l{transform:rotate(-7deg) translateX(-150px) scale(.9);opacity:.96;z-index:1}
.phone-r{transform:rotate(7deg) translateX(150px) scale(.9);opacity:.96;z-index:2}
/* Di HP kecil: tetap 3 HP tapi diperkecil + fan lebih rapat, yang samping ngintip
   di belakang (jangan di-hide — biar nggak keliatan cuma 1 HP). */
@media (max-width:600px){
  .hero-art{height:430px}
  .hero-art .phone{width:156px}
  .phone-l{transform:rotate(-7deg) translateX(-92px) scale(.86)}
  .phone-r{transform:rotate(7deg) translateX(92px) scale(.86)}
}

/* ---------- STATS ---------- */
.stats{padding:28px 0 6px}
.stats-in{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg-alt)}
.stat{padding:22px 18px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:28px;color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.1}
.stat span{font-size:13.5px;color:var(--muted);font-weight:600}

/* ---------- SECTIONS ---------- */
.sec{padding:92px 0}
.sec-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:44em;margin-bottom:44px}
.sec-head h2,.cta h2{font-size:clamp(27px,3vw,38px)}
.sec-head h2 code{background:var(--violet-t);color:var(--violet-d);padding:1px 8px;border-radius:7px;font-size:.82em}
.sec-lead{margin-top:16px;font-size:17px;max-width:var(--measure)}

/* ---------- KURIKULUM ---------- */
.lang-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.lang{
  display:flex;align-items:center;gap:16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;
  transition:border-color .15s,transform .15s;
}
.lang:hover{border-color:var(--line-2);transform:translateY(-1px)}
/* Tile bahasa — sengaja ngikutin LanguageLogo.kt di app biar web & app konsisten:
   Python/JavaScript/Java/HTML&CSS pakai logo asli (inline SVG, latar digambar di dalam SVG-nya),
   C++/Lua/Luau/php pakai wordmark putih di atas warna brand. */
.tile{width:46px;height:46px;flex:0 0 auto;display:block}
.tile-word{
  display:grid;place-items:center;border-radius:13px;
  background:var(--tile);color:#fff;
  font-weight:800;font-size:var(--fs);letter-spacing:-.02em;line-height:1;
}
.lang-body{flex:1;min-width:0}
.lang-body h3{font-size:17px}
.lang-body p{font-size:14px;color:var(--muted);margin-top:2px}
.lang-meta{text-align:right;flex:0 0 auto;font-size:13px;color:var(--muted);font-weight:600}
.lang-meta b{display:block;font-size:18px;color:var(--ink);font-weight:800}
.lang-meta span{display:block;font-size:12.5px}

/* ---------- CARA BELAJAR ---------- */
.cara-in{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.steps{margin-top:34px;border-top:1px solid var(--line-2)}
.steps li{padding:18px 0;border-bottom:1px solid var(--line-2)}
.step-h{display:flex;align-items:baseline;gap:12px}
.num{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--violet);letter-spacing:.04em}
.step-h h3{font-size:17px;flex:1}
.step-h em{font-style:normal;font-size:13px;color:var(--muted);font-weight:600}
.steps p{margin-top:5px;font-size:15px;padding-left:34px;max-width:36em}
.cara-art{display:flex;justify-content:center}

/* ---------- FITUR ---------- */
.feat-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-top:1px solid var(--line)}
.feat-row:first-of-type{border-top:0;padding-top:0}
.feat-row.reverse .feat-copy{order:2}
.feat-copy h3{font-size:23px}
.feat-copy p,.feat-copy .ticks{max-width:var(--measure)}
.feat-copy p{margin-top:12px}
.feat-art{display:flex;justify-content:center}
.ticks{margin-top:18px;display:grid;gap:9px}
.ticks li{position:relative;padding-left:26px;font-size:15px}
.ticks li::before{
  content:"";position:absolute;left:0;top:.5em;width:14px;height:8px;
  border-left:2px solid var(--violet);border-bottom:2px solid var(--violet);
  transform:rotate(-45deg);border-radius:1px;
}
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:52px}
.mini-grid li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.mini-grid h4{font-size:15.5px}
.mini-grid p{margin-top:7px;font-size:14px;color:var(--muted)}

/* ---------- CODE CARD ---------- */
.codecard{width:100%;max-width:400px;border-radius:16px;overflow:hidden;background:#171326;box-shadow:0 20px 50px -20px rgba(20,16,31,.5)}
.cc-bar{display:flex;align-items:center;gap:6px;padding:12px 14px;background:#12101C}
.cc-bar i{width:9px;height:9px;border-radius:50%;background:#F7637A}
.cc-bar i:nth-child(2){background:#F7C948}
.cc-bar i:nth-child(3){background:#5BDD7A}
.cc-bar span{margin-left:8px;font-family:var(--mono);font-size:12px;color:#8B85A8}
.cc-body{margin:0;padding:18px 16px;font-family:var(--mono);font-size:13.5px;color:#E7E3F5;overflow-x:auto}
.cc-body .ln{color:#5A5474;margin-right:16px;user-select:none}
.cc-body .fn{color:#7DD3FC}
.cc-body .str{color:#A3E635}
.cc-out{padding:14px 16px;background:#12101C;border-top:1px solid #2A2540}
.cc-out-h{display:block;font-size:12px;font-weight:700;color:#8B85A8;margin-bottom:7px}
.cc-out code{color:#CBD5E1;font-size:13px}

/* ---------- HARGA ---------- */
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:840px}
.price{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}
.price-pro{position:relative;border-color:var(--violet);box-shadow:0 0 0 3px var(--violet-t)}
.badge{position:absolute;top:-11px;right:24px;background:var(--violet);color:#fff;font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:99px;letter-spacing:.03em}
.price h3{font-size:19px}
.price-num{font-size:38px;font-weight:800;color:var(--ink);letter-spacing:-.035em;margin-top:10px;line-height:1}
.price-num span{font-size:16px;font-weight:600;color:var(--muted);letter-spacing:0}
.price-sub{font-size:14px;color:var(--muted);margin-top:6px}
.price .ticks{margin-top:22px}
.price-note{margin-top:20px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}

/* ---------- FAQ ---------- */
.faq-in{max-width:880px}
.faq-list{border-top:1px solid var(--line-2)}
.faq-list details{border-bottom:1px solid var(--line-2)}
.faq-list summary{
  cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;
  font-weight:700;color:var(--ink);font-size:17px;letter-spacing:-.015em;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"";position:absolute;right:6px;top:27px;width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .2s;
}
.faq-list details[open] summary::after{transform:rotate(-135deg);top:31px}
.faq-list p{padding:0 0 22px;font-size:16px;max-width:40em}

/* ---------- CTA ---------- */
.cta{background:var(--violet);color:#fff;padding:72px 0}
.cta h2{color:#fff}
.cta h2 code{background:rgba(255,255,255,.16);color:#fff;padding:1px 8px;border-radius:7px;font-size:.82em}
.cta p{color:rgba(255,255,255,.82);margin-top:14px;max-width:34em}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-actions{text-align:right;flex:0 0 auto}
.fineprint-dark{color:rgba(255,255,255,.7)}

/* ---------- FOOTER ---------- */
.foot{background:var(--bg-alt);border-top:1px solid var(--line);padding:56px 0 0}
.foot-in{display:grid;grid-template-columns:1.1fr 1.4fr;gap:40px}
.foot-brand{display:flex;gap:12px;align-items:flex-start}
.foot-brand b{color:var(--ink);font-size:16px}
.foot-brand p{font-size:14px;color:var(--muted);margin-top:4px;max-width:24em}
.foot-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.foot-links h5{font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px;font-weight:700}
.foot-links a{display:block;font-size:14.5px;color:var(--body);padding:4px 0;transition:color .15s}
.foot-links a:hover{color:var(--violet)}
.foot-btm{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:44px;padding-top:22px;padding-bottom:26px;font-size:13.5px;color:var(--muted)}

/* ---------- PANGGUNG LEBAR (≥1400px) ----------
   Shell melebar, KONTEN yang ngisi — bukan teksnya yang ikut ditarik panjang.
   Di 1920px: kolom konten 1500px, sisa putih tiap sisi 160px (sebelumnya 390px). */
@media (min-width:1400px){
  .sec{padding:104px 0}

  /* HERO — panel bertint nembus ke tepi layar + HP lebih besar */
  .hero{padding:96px 0 32px}          /* .hero{overflow:hidden} WAJIB tetap ada: dia yang ngeclip panel */
  .hero-in{grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:64px}
  .hero h1{font-size:56px}
  .hero-art{height:640px}
  .hero-art::before{
    content:"";position:absolute;z-index:0;
    top:8px;bottom:8px;left:-24px;
    right:calc((var(--wrap) - 100vw)/2 - var(--gutter));   /* = -210px @1920 → mentok tepi viewport */
    background:linear-gradient(100deg,#FDFCFF 0%,var(--violet-t) 72%);
    border-radius:32px 0 0 32px;
  }
  .hero-art .phone{width:300px}
  .phone-front{transform:rotate(-2.5deg) translateX(-72px)}
  .phone-back{transform:rotate(5deg) translateX(96px) scale(.94)}

  /* STATS — tetap di dalam shell, sejajar rel kiri hero (sengaja TIDAK full-bleed:
     angka nempel 24px dari tepi sementara teks lain mulai 210px = kebaca bug, bukan gaya) */
  .stats{padding:40px 0 12px}
  .stat{padding:30px 24px}
  .stat b{font-size:32px}
  .stat span{font-size:14px}

  /* KURIKULUM — 8 kartu jadi 4x2 pas; kartunya reflow, HTML nggak berubah */
  .lang-grid{grid-template-columns:repeat(4,1fr);gap:14px}
  .lang{
    display:grid;grid-template-columns:46px minmax(0,1fr);
    column-gap:14px;row-gap:14px;align-items:center;padding:18px;
  }
  .lang-meta{
    grid-column:1/-1;display:flex;align-items:baseline;gap:7px;
    text-align:left;border-top:1px solid var(--line);padding-top:12px;
  }
  .lang-meta b{display:inline;font-size:16px}
  .lang-meta span{display:inline}
  .lang-meta span::before{content:"· "}

  .cara-in{grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:72px}
  .cara-art .phone{width:320px}

  .feat-row{gap:80px;padding:56px 0}
  .codecard{max-width:480px}
  .feat-art .phone-sm{width:272px}
  .mini-grid{gap:14px;margin-top:60px}

  /* HARGA — grid 840px yang rata kiri ninggalin lubang 660px di 1920, jadi ditengahin */
  #harga .sec-head{margin-left:auto;margin-right:auto;text-align:center;max-width:36em}
  #harga .sec-lead{margin-left:auto;margin-right:auto}
  .price-grid{max-width:980px;margin-inline:auto}

  .cta{padding:88px 0}
  .foot-in{grid-template-columns:1.1fr 1.6fr;gap:64px}
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:980px){
  .hero-in,.cara-in,.feat-row{grid-template-columns:1fr;gap:44px}
  .feat-row.reverse .feat-copy{order:0}
  .hero{padding-top:52px}
  .hero-art{height:470px}
  .stats-in{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(3){border-right:0}
  .stat:nth-child(n+4){border-top:1px solid var(--line)}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  .foot-in{grid-template-columns:1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav-links{
    display:none;position:absolute;top:68px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px var(--gutter) 16px;
  }
  .nav.is-open .nav-links{display:flex}
  .nav-links a{padding:11px 0;border-bottom:1px solid var(--line)}
  .burger{display:block;margin-left:4px}
  .langsw{margin-left:auto}
  .nav-in .btn-sm{display:none}
  .sec{padding:64px 0}
  .lang-grid,.price-grid,.mini-grid,.foot-links{grid-template-columns:1fr}
  .stats-in{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:1px solid var(--line);border-top:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(-n+2){border-top:0}
  .stat:last-child{grid-column:1/-1;border-right:0}
  .hero-art{height:420px}
  /* .hero-art .phone (0,2,0) ngalahin .phone (0,1,0) — media query nggak nambah specificity,
     jadi tanpa baris ini HP di hero tetap 248px di mobile dan meluber keluar .hero-art. */
  .phone,.hero-art .phone{width:212px}
  .phone-front{transform:rotate(-2.5deg) translateX(-40px)}
  .phone-back{transform:rotate(5deg) translateX(58px) scale(.94)}
  .cta-in{flex-direction:column;align-items:flex-start}
  .cta-actions{text-align:left}
  .steps p{padding-left:0}
  .foot-btm{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}