/* ============================================================
   Kompres Video — PREMIUM dark-purple SaaS design (Visuo/Mufi)
   "WAO on open": gradient orbs, glassmorphism, 3D tilt, smooth
   motion, Plus Jakarta Sans self-hosted.
   Zero frameworks, zero remote assets, mobile-first.
   Class names intentionally identical to the production build —
   app.js, lib/compress.js and worker.js depend on them.
   ============================================================ */

/* ---------- self-hosted fonts ---------- */
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("assets/fonts/plus-jakarta-sans-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --bg-950: #12101d;
  --bg-900: #181527;
  --bg-800: #1f1b33;
  --violet-500: #8b5cf6;
  --violet-400: #a78bfa;
  --violet-700: #6d28d9;
  --orange-400: #fb923c;
  --orange-500: #f97316;

  --ink: #f4f2fb;
  --muted: #a9a3c7;
  --faint: #7c76a0;
  --line: rgba(139, 92, 246, 0.22);
  --card: rgba(31, 27, 51, 0.72);
  --card-solid: #1f1b33;
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.12);
  --success: #34d399;
  --success-bg: rgba(52, 211, 153, 0.12);
  --warning: #fbbf24;
  --info: #60a5fa;

  --radius: 16px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --focus-ring: 0 0 0 3px rgba(139, 92, 246, 0.45);
  --shadow-lift: 0 18px 50px -12px rgba(139, 92, 246, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.65;
  background:
    radial-gradient(1100px 480px at 85% -80px, rgba(139, 92, 246, 0.16), transparent 60%),
    radial-gradient(900px 420px at -10% 20px, rgba(249, 115, 22, 0.10), transparent 55%),
    radial-gradient(700px 500px at 50% 110%, rgba(109, 40, 217, 0.12), transparent 60%),
    var(--bg-950);
  min-height: 100vh;
}
.container { max-width: 920px; margin: 0 auto; padding: 0 16px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
[hidden] { display: none !important; }

.skip-link {
  position: absolute; left: 8px; top: -48px; z-index: 100;
  background: var(--violet-500); color: #fff;
  padding: 10px 16px; border-radius: 10px; text-decoration: none;
  transition: top 0.15s ease; font-weight: 700;
}
.skip-link:focus { top: 8px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(18, 16, 29, 0.78);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; gap: 12px; padding-top: 12px; padding-bottom: 12px; }
.brand {
  font-size: 1.35rem; font-weight: 800; margin: 0; letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--violet-400), var(--orange-400));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tagline { margin: 0; color: var(--muted); font-size: 0.85rem; }
.header-badge {
  margin-left: auto; font-size: 0.75rem; font-weight: 700;
  color: var(--orange-400); border: 1px solid rgba(251, 146, 60, 0.4);
  background: rgba(251, 146, 60, 0.1);
  padding: 4px 12px; border-radius: 999px; white-space: nowrap;
}

/* ---------- hero ---------- */
.hero { text-align: center; padding: 44px 0 12px; position: relative; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: -1; }
.hero-orb-a {
  width: 340px; height: 340px; left: -90px; top: -40px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.35), transparent 70%);
  animation: orb-drift 14s ease-in-out infinite alternate;
}
.hero-orb-b {
  width: 280px; height: 280px; right: -70px; top: 30px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.22), transparent 70%);
  animation: orb-drift 18s ease-in-out infinite alternate-reverse;
}
@keyframes orb-drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(36px, 28px) scale(1.12); } }
.hero h1 {
  font-size: 2rem; margin: 0 0 10px; letter-spacing: -0.03em; line-height: 1.15;
  animation: float-in 0.7s var(--ease-out) both;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--violet-400) 10%, var(--orange-400) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { color: var(--muted); font-size: 1.05rem; margin: 0 auto; max-width: 36rem; animation: float-in 0.7s var(--ease-out) 0.08s both; }
.privacy-badge {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 14px; padding: 8px 16px;
  background: rgba(52, 211, 153, 0.1); color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: 999px; font-size: 0.85rem; font-weight: 600;
  animation: float-in 0.7s var(--ease-out) 0.16s both;
}
.privacy-badge svg { color: var(--success); flex-shrink: 0; }
@keyframes float-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- notices ---------- */
.notice-list { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.notice-list:empty { display: none; }
.notice { border-radius: 12px; padding: 12px 16px; font-size: 0.94rem; margin: 16px 0; border: 1px solid transparent; }
.notice-success { background: var(--success-bg); border-color: rgba(52, 211, 153, 0.35); color: #a7f3d0; }
.notice-error { background: var(--danger-bg); border-color: rgba(248, 113, 113, 0.35); color: #fca5a5; }
.notice-info { background: rgba(96, 165, 250, 0.1); border-color: rgba(96, 165, 250, 0.3); color: #bfdbfe; }
.notice-list .notice { margin: 4px 0; }

/* ---------- tool card ---------- */
main.container { perspective: 1400px; }
.tool-card {
  background: linear-gradient(140deg, rgba(255,255,255,0.06), transparent 32%), var(--card);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 20px; padding: 22px; margin: 24px 0;
  box-shadow: 0 24px 70px -20px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255,255,255,0.06);
  animation: card-in 0.8s var(--ease-out) 0.1s both;
  transition: transform 0.18s var(--ease-out), box-shadow 0.18s ease;
  will-change: transform;
}
@keyframes card-in { from { opacity: 0; transform: translateY(26px) rotateX(6deg); } to { opacity: 1; transform: none; } }

/* ---------- dropzone ---------- */
.dropzone {
  border: 2px dashed rgba(139, 92, 246, 0.45); border-radius: var(--radius);
  background: rgba(139, 92, 246, 0.06); text-align: center;
  padding: 36px 16px; cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s var(--ease-out);
  min-height: 48px;
}
.dropzone:hover { border-color: var(--violet-400); background: rgba(139, 92, 246, 0.12); transform: translateY(-2px); }
.dropzone:focus { outline: none; box-shadow: var(--focus-ring); border-color: var(--violet-400); }
.dropzone.dragover { border-color: var(--orange-400); background: rgba(249, 115, 22, 0.10); border-style: solid; transform: scale(1.01); }
.dropzone-inner { pointer-events: none; }
.dropzone-icon { color: var(--violet-400); margin-bottom: 10px; animation: bounce-icon 2.6s ease-in-out infinite; }
@keyframes bounce-icon { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.dropzone-title { margin: 0 0 4px; font-size: 1.12rem; font-weight: 700; }
.dropzone-sub { margin: 0 0 8px; color: var(--muted); }
.dropzone-cta { color: var(--orange-400); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.dropzone-limits { margin: 0; font-size: 0.82rem; color: var(--faint); }
.dropzone.has-file { border-style: solid; border-color: var(--success); background: var(--success-bg); }

/* ---------- file card ---------- */
.file-card {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; background: rgba(139, 92, 246, 0.07); margin: 16px 0;
  animation: slide-in 0.3s var(--ease-out);
}
@keyframes slide-in { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
.file-info { flex: 1 1 auto; min-width: 0; }
.file-name { font-weight: 700; font-size: 0.95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin: 0; }
.file-meta { font-size: 0.82rem; color: var(--muted); margin: 2px 0 0; }

/* ---------- presets ---------- */
.preset-section { margin: 20px 0 8px; }
.preset-section h3 { margin: 0 0 12px; font-size: 1rem; }
.preset-group { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.preset {
  font: inherit;
  border: 2px solid var(--line); border-radius: 14px;
  background: var(--bg-800); padding: 14px 8px; cursor: pointer;
  text-align: center; min-height: 52px; color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s var(--ease-out), box-shadow 0.15s ease;
}
.preset:hover { border-color: var(--violet-400); transform: translateY(-2px); }
.preset:focus { outline: none; box-shadow: var(--focus-ring); }
.preset.preset-active {
  border-color: var(--violet-500);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(109, 40, 217, 0.18));
  box-shadow: 0 8px 24px -8px rgba(139, 92, 246, 0.6);
}
.preset-name { display: block; font-weight: 700; font-size: 0.95rem; }
.preset-desc { display: block; font-size: 0.78rem; color: var(--muted); margin-top: 2px; }

/* ---------- buttons ---------- */
.btn {
  font: inherit; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 12px 24px;
  border-radius: 12px; border: 1px solid transparent;
  font-size: 1rem; cursor: pointer; text-decoration: none;
  transition: transform 0.15s var(--ease-out), box-shadow 0.15s, background 0.15s;
}
.btn:focus { outline: none; box-shadow: var(--focus-ring); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--violet-500), var(--violet-700));
  color: #fff; box-shadow: 0 10px 30px -8px rgba(139, 92, 246, 0.55);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 16px 38px -8px rgba(139, 92, 246, 0.65); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.btn-ghost:hover { background: rgba(139, 92, 246, 0.1); color: var(--ink); }
.btn-danger { background: linear-gradient(135deg, #ef4444, #b91c1c); color: #fff; box-shadow: 0 10px 24px -8px rgba(239, 68, 68, 0.5); }
.btn-danger:hover { transform: translateY(-2px); }
.action-row { display: flex; gap: 10px; margin: 16px 0 4px; flex-wrap: wrap; }
.action-row .btn-primary { flex: 1; min-width: 180px; }

/* ---------- progress ---------- */
.progress-wrap { margin: 16px 0 4px; }
.progress-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
#progress-pct { font-weight: 700; font-size: 1.1rem; color: var(--violet-400); }
.progress-eta { font-size: 0.85rem; color: var(--muted); }
progress {
  width: 100%; height: 14px; border-radius: 999px; overflow: hidden;
  -webkit-appearance: none; appearance: none;
  background: var(--bg-950); border: 1px solid var(--line);
}
progress::-webkit-progress-bar { background: var(--bg-950); border-radius: 999px; }
progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--violet-500), var(--orange-400));
  border-radius: 999px; transition: width 0.2s ease;
}
progress::-moz-progress-bar { background: linear-gradient(90deg, var(--violet-500), var(--orange-400)); border-radius: 999px; }
.progress-hint { font-size: 0.85rem; color: var(--muted); margin: 8px 0 0; }

/* ---------- result ---------- */
.result-card {
  background: var(--success-bg); border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: var(--radius); padding: 22px; margin: 16px 0 4px;
  text-align: center;
  animation: card-slide-in 0.45s var(--ease-out);
}
@keyframes card-slide-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.result-card h3 { margin: 0 0 6px; color: var(--success); }
.result-meta { margin: 0 0 14px; font-size: 0.95rem; color: var(--muted); }
.result-card .action-row { justify-content: center; margin-bottom: 0; }

/* ---------- info sections ---------- */
.info-section {
  margin: 30px 0; padding: 22px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(31, 27, 51, 0.5);
}
.info-section h2 { font-size: 1.32rem; margin: 0 0 12px; letter-spacing: -0.02em; }
.info-section > p { color: var(--muted); }
.info-section > p strong { color: var(--ink); }
.steps { margin: 0; padding-left: 1.4rem; display: flex; flex-direction: column; gap: 10px; color: var(--muted); }
.steps li { margin-bottom: 0; }
.steps strong { color: var(--ink); }
.note {
  background: rgba(251, 191, 36, 0.1); border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 12px; padding: 12px 16px; font-size: 0.92rem;
  color: #fde68a; margin-top: 16px;
}

/* ---------- format table ---------- */
.format-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--line); }
.format-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 520px; }
.format-table th, .format-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.format-table thead th { background: rgba(139, 92, 246, 0.1); font-weight: 700; }
.format-table tbody td { color: var(--muted); }
.format-table tbody td:first-child { color: var(--ink); font-weight: 600; }
.format-table tbody tr:last-child td { border-bottom: none; }

/* ---------- FAQ ---------- */
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none;
  padding: 14px 4px; font: inherit; font-size: 1rem; font-weight: 600; color: var(--ink);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  min-height: 48px;
}
.faq-q:hover { color: var(--violet-400); }
.faq-q:focus { outline: none; box-shadow: var(--focus-ring); border-radius: 8px; }
.faq-q::after { content: "+"; font-size: 1.4rem; color: var(--violet-400); flex-shrink: 0; transition: transform 0.2s var(--ease-out); }
.faq-item.open .faq-q::after { content: "−"; transform: rotate(180deg); }
.faq-a { padding: 0 4px 16px; }
.faq-a p { margin: 0; color: var(--muted); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 22px 0 36px; color: var(--faint); font-size: 0.88rem; }
.site-footer p { margin: 4px 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 12px; }
.footer-nav a { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
.footer-nav a:hover { color: var(--violet-400); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .hero h1 { font-size: 2.6rem; }
  .preset-group { grid-template-columns: repeat(4, 1fr); }
  .tool-card { padding: 30px; }
  .action-row .btn-primary { flex: 0 1 auto; min-width: 280px; }
  .info-section { padding: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ===== 3D premium enhancements ===== */
.tilt-3d { transform-style: preserve-3d; will-change: transform; transition: transform 0.18s ease-out; }
.hero { perspective: 1200px; }
.orb { transform: translateZ(0); }
.hub-card { transform-style: preserve-3d; transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.25s; }
.hub-card:hover { transform: translateY(-4px) translateZ(12px); }
.hub-card:active { transform: translateY(-1px) translateZ(4px) scale(0.99); }
.tool-card { box-shadow: 0 24px 70px -18px rgba(0,0,0,0.65), 0 0 0 1px rgba(139,92,246,0.12), 0 0 44px -12px rgba(139,92,246,0.28); }
a.brand,a.brand:visited{text-decoration:none;color:inherit;cursor:pointer}
body{overflow-x:hidden}
html,body{overflow-x:clip}
.tool-card{animation-fill-mode:backwards !important}