:root {
  --bg:       #0a0a0a;
  --surface:  #111111;
  --surface2: #161616;
  --border:   #1e1e1e;
  --border2:  #2a2a2a;
  --text:     #efefef;
  --muted:    #666;
  --subtle:   #333;
  --accent:   #ffffff;
  --green:    #4ade80;
  --red:      #f87171;
  --ff:       'Inter', sans-serif;
  --mono:     'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--ff); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container { width: 100%; max-width: 900px; margin: 0 auto; padding: 0 24px; }

/* ── HEADER ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { display: flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 600; letter-spacing: -0.3px; }
.logo svg { flex-shrink: 0; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { font-size: 13.5px; color: var(--muted); transition: color 0.15s; }
.site-nav a:hover { color: var(--text); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 20px; height: 1.5px; background: var(--muted); border-radius: 2px; }
.mobile-menu { display: none; flex-direction: column; padding: 12px 24px 16px; gap: 4px; border-top: 1px solid var(--border); }
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 10px 0; font-size: 14px; color: var(--muted); border-bottom: 1px solid var(--border); }
.mobile-menu a:last-child { border-bottom: none; }

/* ── HERO ── */
.hero { padding: 80px 0 60px; }
.hero-tag { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 20px; }
.hero h1 { font-size: clamp(32px, 5.5vw, 52px); font-weight: 300; line-height: 1.12; letter-spacing: -2px; margin-bottom: 16px; }
.hero-sub { font-size: 14px; color: var(--muted); margin-bottom: 40px; }

/* ── DOWNLOADER ── */
.downloader { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; }
.input-group { display: flex; gap: 8px; }
.input-wrap { position: relative; flex: 1; }
.input-icon { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.input-wrap input {
  width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 13px 36px 13px 38px; font-family: var(--mono); font-size: 12px; color: var(--text);
  outline: none; transition: border-color 0.15s;
}
.input-wrap input::placeholder { color: var(--subtle); }
.input-wrap input:focus { border-color: var(--border2); }
.clear-btn { display: none; position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--muted); cursor: pointer; font-size: 12px; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; transition: background 0.15s; }
.clear-btn:hover { background: var(--subtle); color: var(--text); }
#fetchBtn { background: var(--text); color: var(--bg); border: none; border-radius: 10px; padding: 13px 24px; font-family: var(--ff); font-size: 13.5px; font-weight: 600; cursor: pointer; white-space: nowrap; transition: opacity 0.15s, transform 0.1s; }
#fetchBtn:hover { opacity: 0.88; }
#fetchBtn:active { transform: scale(0.97); }
#fetchBtn:disabled { opacity: 0.3; cursor: not-allowed; }

.disclaimer { font-size: 11px; color: var(--muted); margin-top: 12px; line-height: 1.6; }

/* ── VIDEO INFO ── */
.divider { height: 1px; background: var(--border); margin: 20px 0; }
.video-info {}
.video-row { display: flex; gap: 16px; }
.thumb-wrap { position: relative; width: 160px; height: 90px; border-radius: 8px; overflow: hidden; background: var(--bg); flex-shrink: 0; }
.thumb-wrap img { width: 100%; height: 100%; object-fit: cover; }
.play-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 20px; color: white; text-shadow: 0 2px 8px rgba(0,0,0,0.6); opacity: 0.8; }
.video-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.meta-badge { font-size: 10px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--green); font-family: var(--mono); }
.video-meta h2 { font-size: 14px; font-weight: 500; line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.duration-chip { font-family: var(--mono); font-size: 11px; color: var(--muted); background: var(--bg); border: 1px solid var(--border); padding: 2px 8px; border-radius: 4px; width: fit-content; }
.format-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; font-family: var(--mono); margin-bottom: 2px; }
.format-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.format-tab { font-family: var(--mono); font-size: 11.5px; padding: 5px 13px; border-radius: 7px; border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; transition: all 0.12s; }
.format-tab:hover { border-color: var(--border2); color: var(--text); }
.format-tab.active { background: var(--text); border-color: var(--text); color: var(--bg); }
.dl-btn { display: flex; align-items: center; gap: 8px; background: transparent; border: 1px solid var(--border2); border-radius: 10px; padding: 10px 18px; font-family: var(--ff); font-size: 13px; font-weight: 500; color: var(--text); cursor: pointer; transition: background 0.15s; width: fit-content; margin-top: auto; }
.dl-btn:hover { background: var(--surface2); }

/* ── PROGRESS ── */
.progress-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
#progressText { font-size: 13px; color: var(--muted); }
.progress-pct { font-family: var(--mono); font-size: 12px; color: var(--green); }
.progress-track { height: 2px; background: var(--border); border-radius: 100px; overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: var(--green); border-radius: 100px; transition: width 0.35s ease; }
.progress-speed { font-family: var(--mono); font-size: 11px; color: var(--subtle); margin-top: 8px; }

/* ── ERROR ── */
.error-box { margin-top: 16px; display: flex; align-items: flex-start; gap: 9px; font-size: 13px; color: var(--red); padding: 12px 14px; background: rgba(248,113,113,0.05); border: 1px solid rgba(248,113,113,0.15); border-radius: 8px; line-height: 1.5; }
.error-box svg { flex-shrink: 0; margin-top: 2px; }

/* ── SECTIONS ── */
.section { padding: 80px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { font-size: clamp(22px, 4vw, 32px); font-weight: 300; letter-spacing: -1px; margin-bottom: 10px; }
.section-sub { font-size: 14px; color: var(--muted); margin-bottom: 48px; }

/* ── STEPS ── */
.steps { display: flex; align-items: center; gap: 0; }
.step { flex: 1; text-align: center; padding: 0 16px; }
.step-num { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border2); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 16px; font-weight: 500; margin: 0 auto 16px; color: var(--text); }
.step h3 { font-size: 15px; font-weight: 500; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.step-arrow { font-size: 20px; color: var(--border2); flex-shrink: 0; }

/* ── FEATURES ── */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.feature-card { background: var(--surface); padding: 24px; }
.feat-icon-wrap { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border2); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--muted); }
.feature-card h3 { font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; background: none; border: none; color: var(--text); font-family: var(--ff); font-size: 14px; font-weight: 500; cursor: pointer; text-align: left; transition: background 0.15s; gap: 16px; }
.faq-q:hover { background: var(--surface); }
.faq-arrow { font-size: 20px; color: var(--muted); flex-shrink: 0; transition: transform 0.2s; line-height: 1; }
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 20px 18px; }
.faq-item.open .faq-a { display: block; }
.faq-a p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* ── FOOTER ── */
.site-footer { border-top: 1px solid var(--border); }
.footer-inner { display: flex; gap: 60px; padding: 48px 0 40px; }
.footer-brand { flex: 1; }
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { font-size: 13px; color: var(--muted); line-height: 1.7; margin-top: 10px; }
.footer-links { display: flex; gap: 48px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title { font-size: 11px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--muted); font-family: var(--mono); margin-bottom: 4px; }
.footer-col a { font-size: 13px; color: var(--muted); transition: color 0.15s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding: 16px 0; }
.footer-bottom p { font-size: 12px; color: var(--subtle); font-family: var(--mono); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--text); }

/* ── LEGAL PAGES ── */
.legal-page { padding: 60px 0 80px; }
.legal-container { max-width: 720px; }
.legal-page h1 { font-size: clamp(24px, 4vw, 36px); font-weight: 300; letter-spacing: -1px; margin-bottom: 8px; }
.legal-date { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-bottom: 48px; }
.legal-content h2 { font-size: 16px; font-weight: 500; margin: 32px 0 12px; color: var(--text); }
.legal-content p { font-size: 14px; color: var(--muted); line-height: 1.8; margin-bottom: 12px; }
.legal-content ul { padding-left: 20px; margin-bottom: 12px; }
.legal-content li { font-size: 14px; color: var(--muted); line-height: 1.8; margin-bottom: 6px; }
.legal-content a { color: var(--text); border-bottom: 1px solid var(--border2); }
.legal-content a:hover { border-bottom-color: var(--text); }

/* ── UTILS ── */
.hidden { display: none !important; }

/* ── RESPONSIVE ── */
@media (max-width: 700px) {
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 50px 0 40px; }
  .hero h1 { letter-spacing: -1.5px; }
  .video-row { flex-direction: column; }
  .thumb-wrap { width: 100%; height: 180px; }
  .features { grid-template-columns: 1fr; }
  .steps { flex-direction: column; gap: 24px; }
  .step-arrow { transform: rotate(90deg); }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-links { gap: 32px; }
  .input-group { flex-direction: column; }
  #fetchBtn { width: 100%; }
}

/* ── LANG SWITCHER ── */
.lang-switcher { position: relative; }
.lang-btn { background: none; border: 1px solid var(--border); border-radius: 8px; padding: 5px 9px; font-size: 15px; cursor: pointer; color: var(--text); transition: border-color 0.15s; }
.lang-btn:hover { border-color: var(--border2); }
.lang-menu { display: none; position: absolute; top: calc(100% + 8px); right: 0; background: var(--surface); border: 1px solid var(--border2); border-radius: 12px; padding: 8px; width: 280px; z-index: 200; box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
.lang-menu.open { display: block; }
.lang-options { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; max-height: 320px; overflow-y: auto; }
.lang-option { background: none; border: none; padding: 7px 10px; font-size: 12.5px; color: var(--muted); cursor: pointer; border-radius: 7px; text-align: left; transition: background 0.12s, color 0.12s; display: flex; align-items: center; gap: 7px; font-family: var(--ff); }
.lang-option:hover { background: var(--surface2); color: var(--text); }
.lang-option.active { color: var(--text); background: var(--subtle); }
.lang-flag { font-size: 11px; font-family: var(--mono); color: var(--muted); min-width: 20px; }
.mobile-lang { padding: 12px 0 4px; border-top: 1px solid var(--border); margin-top: 4px; }
.lang-options-mobile { display: flex; flex-wrap: wrap; gap: 6px; }
.lang-option-mobile { background: none; border: 1px solid var(--border); border-radius: 6px; padding: 5px 10px; font-size: 12px; color: var(--muted); cursor: pointer; font-family: var(--ff); }
.lang-option-mobile.active { border-color: var(--text); color: var(--text); }