/* ============================================================
   LMS Brevetin — Apple-inspired design system
   Photography-first, single Action Blue accent, SF Pro type,
   pill CTAs, 18px cards, one product-only drop-shadow.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root{
  /* Brand & accent — the single interactive color */
  --primary:#0066cc;
  --primary-focus:#0071e3;
  --primary-on-dark:#2997ff;

  /* Ink / text */
  --ink:#1d1d1f;
  --ink-80:#333333;
  --ink-48:#7a7a7a;
  --on-dark:#ffffff;
  --on-dark-muted:#cccccc;

  /* Surfaces */
  --canvas:#ffffff;
  --parchment:#f5f5f7;
  --pearl:#fafafc;
  --tile-1:#272729;
  --tile-2:#2a2a2c;
  --tile-3:#252527;
  --black:#000000;

  /* Hairlines */
  --divider-soft:#f0f0f0;
  --hairline:#e0e0e0;

  /* Radii */
  --r-sm:8px;
  --r-md:11px;
  --r-lg:18px;
  --r-pill:9999px;

  /* Spacing rhythm */
  --s-xs:8px; --s-sm:12px; --s-md:17px; --s-lg:24px;
  --s-xl:32px; --s-xxl:48px; --s-section:80px;

  /* The only shadow in the system — for product/media imagery */
  --shadow-product:rgba(0,0,0,0.22) 3px 5px 30px 0;

  --font-text:-apple-system,system-ui,"SF Pro Text","Inter",sans-serif;
  --font-display:-apple-system,system-ui,"SF Pro Display","Inter",sans-serif;
}

*{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{
  margin:0;
  font-family:var(--font-text);
  font-size:17px;
  line-height:1.47;
  letter-spacing:-0.022em;            /* Apple "tight" body */
  color:var(--ink);
  background:var(--parchment);
}

a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Headlines: SF Pro Display, weight 600, tight ---------- */
h1{
  font-family:var(--font-display);
  font-size:40px;line-height:1.1;font-weight:600;
  letter-spacing:-0.01em;margin:.2em 0 .4em;
}
h2{
  font-family:var(--font-display);
  font-size:28px;line-height:1.14;font-weight:600;
  letter-spacing:-0.012em;margin:1.2em 0 .5em;
}
.lead{font-size:21px;font-weight:400;letter-spacing:0;color:var(--ink-80)}

/* ============================================================
   Global nav — ultra-thin true-black bar
   ============================================================ */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--black);
  min-height:44px;padding:0 22px;
  position:sticky;top:0;z-index:20;
}
.topbar .brand{
  font-family:var(--font-display);
  font-size:15px;font-weight:600;letter-spacing:-0.01em;
  color:var(--on-dark);display:flex;align-items:center;gap:.4rem;
}
.topbar .brand:hover{text-decoration:none;opacity:.85}
.topbar nav{display:flex;align-items:center;gap:18px}
.topbar nav a{
  font-size:12px;font-weight:400;letter-spacing:-0.01em;
  color:var(--on-dark);opacity:.92;
}
.topbar nav a:hover{opacity:1;text-decoration:none}
.hello{font-size:12px;color:var(--on-dark-muted);display:flex;align-items:center;gap:.4rem}
.badge{
  font-size:10px;letter-spacing:.02em;text-transform:uppercase;
  color:var(--on-dark);background:rgba(255,255,255,.16);
  padding:.12rem .45rem;border-radius:var(--r-pill);
}
.btn-out{
  font-size:12px;color:var(--on-dark)!important;opacity:.92;
}
.btn-out:hover{opacity:1;text-decoration:none}

/* ---------- Frosted sub-nav strip ---------- */
.subnav{
  position:sticky;top:44px;z-index:15;
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 22px;
  background:rgba(245,245,247,.8);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.subnav .section-name{
  font-family:var(--font-display);
  font-size:21px;font-weight:600;letter-spacing:-0.01em;color:var(--ink);
}
.subnav .right{display:flex;gap:14px;align-items:center}

/* ============================================================
   Layout
   ============================================================ */
.container{max-width:980px;margin:0 auto;padding:48px 22px 64px}

/* ============================================================
   Buttons — two grammars: blue pill + utility rect
   ============================================================ */
.btn{
  display:inline-block;border:0;cursor:pointer;
  font-family:var(--font-text);font-size:17px;font-weight:400;
  letter-spacing:-0.022em;line-height:1;
  background:var(--primary);color:#fff!important;
  padding:11px 22px;border-radius:var(--r-pill);
  transition:transform .12s ease, background .2s ease;
}
.btn:hover{text-decoration:none;background:#0a6fd6}
.btn:active{transform:scale(.95)}
.btn:focus-visible{outline:2px solid var(--primary-focus);outline-offset:2px}
.btn.sm{font-size:14px;padding:8px 16px}
.btn.ok{background:#1d8a3e}
.btn.ok:hover{background:#1f9744}
.btn.danger{background:#d6353a}
.btn.danger:hover{background:#e23b40}
.btn[disabled]{background:var(--hairline);color:var(--ink-48)!important;cursor:not-allowed;transform:none}

/* Ghost pill (secondary CTA) */
.btn.ghost{background:transparent;color:var(--primary)!important;border:1px solid var(--primary)}
.btn.ghost:hover{background:rgba(0,102,204,.06)}

/* ============================================================
   Cards & grids — white, 18px, hairline, NO shadow
   ============================================================ */
.card{
  background:var(--canvas);
  border:1px solid var(--hairline);
  border-radius:var(--r-lg);
  padding:24px;margin-bottom:20px;
}
.grid{display:grid;gap:20px}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}

/* ============================================================
   Alerts — quiet, tinted, no shadow
   ============================================================ */
.alert{padding:14px 18px;border-radius:var(--r-md);margin-bottom:20px;font-size:15px}
.alert.ok{background:#e7f6ec;color:#1d6b33}
.alert.err{background:#fdecec;color:#a32226}

/* ============================================================
   Forms
   ============================================================ */
label{display:block;font-size:14px;color:var(--ink-48);margin:14px 0 6px;letter-spacing:-0.01em}
input,select,textarea{
  width:100%;font-family:var(--font-text);font-size:17px;color:var(--ink);
  padding:12px 16px;background:var(--canvas);
  border:1px solid var(--hairline);border-radius:var(--r-md);
  letter-spacing:-0.022em;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--primary-focus);
  box-shadow:0 0 0 3px rgba(0,113,227,.18);
}
input[type=checkbox],input[type=radio]{width:auto}
input[type=search],.search-input{border-radius:var(--r-pill);padding:12px 20px}
form .row{margin-bottom:6px}

/* ============================================================
   Stats / metrics
   ============================================================ */
.stat{text-align:center}
.stat .num{font-family:var(--font-display);font-size:40px;font-weight:600;letter-spacing:-0.01em;color:var(--ink)}
.stat .lbl{color:var(--ink-48);font-size:14px;margin-top:.2rem}

/* ============================================================
   Tables
   ============================================================ */
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--divider-soft)}
th{color:var(--ink-48);font-weight:600;font-size:12px;letter-spacing:.01em;text-transform:uppercase}
tr:last-child td{border-bottom:0}

/* ============================================================
   Status pills — small, tinted (not the CTA pill)
   ============================================================ */
.pill{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:-0.01em;
  padding:.18rem .6rem;border-radius:var(--r-pill);
}
.pill.green{background:#e7f6ec;color:#1d6b33}
.pill.amber{background:#fdf0db;color:#8a5a12}
.pill.red{background:#fdecec;color:#a32226}
.pill.gray{background:var(--parchment);color:var(--ink-48)}

/* ============================================================
   Material / list rows
   ============================================================ */
.material-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--divider-soft);
}
.material-row:last-child{border-bottom:0}
.material-row.locked{opacity:.5}
.material-row a{color:var(--ink)}
.material-row a:hover{color:var(--primary)}
.mtype{
  font-size:10px;letter-spacing:.04em;text-transform:uppercase;
  color:var(--ink-48);background:var(--parchment);
  padding:.1rem .4rem;border-radius:var(--r-sm);margin-left:.3rem;
}

/* ============================================================
   Progress bar
   ============================================================ */
.progressbar{height:6px;background:var(--divider-soft);border-radius:var(--r-pill);overflow:hidden}
.progressbar > span{display:block;height:100%;background:var(--primary);transition:width .3s ease}

/* ============================================================
   Product / media imagery — THE single drop-shadow
   ============================================================ */
.card video,.card audio,.card iframe,.product-shadow{
  border-radius:var(--r-lg);
}
.card video,.card iframe.media{box-shadow:var(--shadow-product)}

/* ============================================================
   Hero tile (Apple full-bleed feel)
   ============================================================ */
.hero{
  text-align:center;padding:80px 22px;margin:-48px -22px 0;
  background:var(--canvas);border-bottom:1px solid var(--divider-soft);
}
.hero.parchment{background:var(--parchment)}
.hero.dark{background:var(--tile-1);color:var(--on-dark)}
.hero.dark h1{color:var(--on-dark)}
.hero h1{font-size:56px;letter-spacing:-0.015em;line-height:1.07;margin-top:0}
.hero .lead{font-size:24px;color:var(--ink-80);margin:0 auto 28px;max-width:600px}
.hero.dark .lead{color:var(--on-dark-muted)}
.hero .cta-row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.hero a.text-cta{font-size:17px}

/* ============================================================
   Footer — parchment, dense links, fine print
   ============================================================ */
.foot{
  background:var(--parchment);color:var(--ink-48);
  text-align:center;padding:32px 22px;font-size:12px;
  letter-spacing:-0.01em;border-top:1px solid var(--divider-soft);
}

/* ---------- utilities ---------- */
.muted{color:var(--ink-48)}
.right{text-align:right}
.center{text-align:center}
.lock-ico{filter:grayscale(1);opacity:.6}
blockquote{margin:.4rem 0;padding-left:1rem;border-left:2px solid var(--hairline);color:var(--ink-48)}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:734px){
  .container{padding:32px 18px 48px}
  h1{font-size:34px}
  .hero{padding:56px 18px}
  .hero h1{font-size:34px}
  .hero .lead{font-size:19px}
  .topbar nav{gap:12px}
  .subnav .section-name{font-size:17px}
}
@media (max-width:480px){
  .hero h1{font-size:28px}
  .stat .num{font-size:32px}
}

/* ============================================================
   PROFESSIONAL POLISH — brand mark, nav CTA, landing, footer
   ============================================================ */

/* Brand mark (logo badge) */
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:7px;
  background:var(--primary);color:#fff;font-weight:700;font-size:14px;
  margin-right:.5rem;line-height:1;
}
.brand-mark.dark{background:var(--primary)}
.topbar .brand{align-items:center}

/* Nav register CTA */
.nav-cta{
  background:var(--primary);color:#fff !important;opacity:1 !important;
  padding:6px 14px;border-radius:var(--r-pill);font-size:12px;
}
.nav-cta:hover{background:#0a6fd6;text-decoration:none}

/* Landing wrapper — full bleed */
.main-landing{display:block}
.main-landing > .alert{max-width:1080px;margin:1rem auto}
.preview-banner{
  background:#fff8e6;color:#8a5a12;text-align:center;
  padding:10px;font-size:14px;border-bottom:1px solid #f0e4c4;
}

/* Buttons: large + light */
.btn.lg{font-size:18px;font-weight:300;padding:14px 30px}
.btn.light{background:#fff;color:var(--primary) !important}
.btn.light:hover{background:#f2f5fa}

/* ---------------- HERO ---------------- */
.lp-hero{
  text-align:center;padding:80px 22px 64px;
  background:radial-gradient(1100px 420px at 50% -8%, rgba(0,102,204,.07), transparent), var(--canvas);
  border-bottom:1px solid var(--divider-soft);
}
.lp-hero-inner{max-width:820px;margin:0 auto}
.lp-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.01em;
  color:var(--primary);background:rgba(0,102,204,.08);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:24px;
}
.lp-title{
  font-family:var(--font-display);font-weight:600;
  font-size:56px;line-height:1.06;letter-spacing:-0.018em;
  color:var(--ink);margin:0 0 20px;
}
.lp-subtitle{font-size:21px;line-height:1.45;color:var(--ink-80);margin:0 auto 32px;max-width:640px}
.lp-cta-row{display:flex;gap:22px;align-items:center;justify-content:center;flex-wrap:wrap}

/* Stats strip */
.lp-stats{display:flex;gap:48px;justify-content:center;flex-wrap:wrap;margin-top:56px}
.lp-stat{display:flex;flex-direction:column}
.lp-stat .n{font-family:var(--font-display);font-size:36px;font-weight:600;letter-spacing:-0.01em;color:var(--ink)}
.lp-stat .l{font-size:14px;color:var(--ink-48);margin-top:4px}

/* ---------------- SECTIONS ---------------- */
.lp-section{padding:72px 22px}
.lp-section.alt{background:var(--parchment)}
.lp-head{max-width:720px;margin:0 auto 40px;text-align:center}
.lp-head h2{font-size:34px;letter-spacing:-0.015em;margin:0 0 10px}
.lp-head .muted{font-size:18px}
.lp-section .grid,.feature-grid,.step-grid{max-width:1080px;margin-inline:auto}

/* Feature cards */
.feature-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.feature-card{
  background:var(--canvas);border:1px solid var(--hairline);
  border-radius:var(--r-lg);padding:28px;
}
.feature-ico{
  width:52px;height:52px;border-radius:14px;background:rgba(0,102,204,.08);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px;
}
.feature-card h3{font-family:var(--font-display);font-size:20px;font-weight:600;letter-spacing:-0.01em;margin:0 0 8px}
.feature-card p{margin:0;font-size:15px;line-height:1.5}

/* How it works steps */
.step-grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.step{text-align:center;padding:8px}
.step-n{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;
  font-family:var(--font-display);font-size:20px;font-weight:600;margin-bottom:16px;
}
.step h3{font-size:19px;font-weight:600;margin:0 0 8px}
.step p{margin:0;font-size:15px}

/* Course cards on landing */
.course-card h3{font-family:var(--font-display);font-size:22px;font-weight:600;letter-spacing:-0.01em;margin:.5rem 0 .4rem}
.course-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px}
.course-foot .price{font-family:var(--font-display);font-size:20px;font-weight:600;color:var(--ink)}

/* Testimonials */
.testi-card{background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column}
.testi-quote{font-size:17px;line-height:1.5;color:var(--ink);margin:0 0 20px;flex:1}
.testi-by{display:flex;align-items:center;gap:12px;font-size:14px}
.testi-avatar{
  width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:18px;flex-shrink:0;
}

/* Closing CTA band */
.cta-band{background:var(--ink);color:#fff;text-align:center;padding:80px 22px}
.cta-band h2{color:#fff;font-size:38px;letter-spacing:-0.015em;margin:0 0 14px}
.cta-band p{color:var(--on-dark-muted);font-size:19px;margin:0 auto 28px;max-width:520px}

/* ---------------- FOOTER (multi-column) ---------------- */
.site-foot{background:var(--parchment);border-top:1px solid var(--divider-soft);padding:56px 22px 28px}
.foot-grid{max-width:1080px;margin:0 auto;display:grid;gap:32px;grid-template-columns:2fr 1fr 1fr 1fr}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-48);margin:0 0 14px}
.foot-col a{display:block;color:var(--ink-80);font-size:15px;margin-bottom:10px}
.foot-col a:hover{color:var(--primary)}
.foot-col p{font-size:14px;margin:0 0 6px}
.foot-legal{max-width:1080px;margin:40px auto 0;padding-top:20px;border-top:1px solid var(--hairline);font-size:12px;color:var(--ink-48)}

@media (max-width:734px){
  .lp-title{font-size:38px}
  .lp-subtitle{font-size:18px}
  .lp-stats{gap:28px}
  .lp-head h2{font-size:27px}
  .cta-band h2{font-size:28px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .foot-grid{grid-template-columns:1fr}
}

/* ============================================================
   INTERAKSI — menu mobile, reveal saat scroll, header scroll
   ============================================================ */
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;line-height:1;cursor:pointer;padding:4px}
.topbar.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.22)}

@media (max-width:767px){
  .topbar{flex-wrap:wrap}
  .nav-toggle{display:block}
  .topbar nav{
    display:none;position:absolute;top:44px;left:0;right:0;z-index:30;
    flex-direction:column;align-items:flex-start;gap:14px;
    background:var(--black);padding:18px 22px;
    border-top:1px solid rgba(255,255,255,.12);
  }
  .topbar nav.open{display:flex}
  .topbar nav .hello{order:-1}
}

/* Reveal saat scroll (hanya aktif bila JS jalan) */
[data-reveal]{transition:opacity .6s ease, transform .6s ease}
body.reveal-ready [data-reveal]{opacity:0;transform:translateY(18px)}
body.reveal-ready [data-reveal].in{opacity:1;transform:none}

/* Ikon inline pada baris daftar */
.row-ico{color:var(--ink-48);display:inline-flex;align-items:center;flex:none}
.material-row a:hover .row-ico{color:var(--primary)}

/* Wadah video embed responsif 16:9 */
.video-embed{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;background:#000;box-shadow:var(--shadow-product)}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}