/* ================================================================
   VidGrab Pro v3 — Professional Light Theme
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:        #6366F1;
  --primary-dark:   #4F46E5;
  --primary-light:  #EEF2FF;
  --secondary:      #EC4899;
  --success:        #10B981;
  --warning:        #F59E0B;
  --error:          #EF4444;
  --bg:             #F8FAFC;
  --bg-white:       #FFFFFF;
  --bg-alt:         #F1F5F9;
  --text:           #0F172A;
  --text-muted:     #475569;
  --text-dim:       #94A3B8;
  --border:         #E2E8F0;
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:      0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg:      0 10px 40px rgba(0,0,0,0.10);
  --shadow-xl:      0 20px 60px rgba(0,0,0,0.12);
  --shadow-primary: 0 8px 32px rgba(99,102,241,0.28);
  --radius-sm:      8px;
  --radius:         12px;
  --radius-lg:      18px;
  --radius-xl:      24px;
  --gradient:       linear-gradient(135deg, #6366F1 0%, #EC4899 100%);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.65; font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; }

/* ═══ HEADER ═══ */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; font-size: 1.15rem; }
.logo-mark { flex-shrink: 0; }
.logo-text { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.header-nav { display: flex; gap: 24px; flex: 1; justify-content: center; }
.header-nav a { color: var(--text-muted); font-weight: 600; font-size: 0.88rem; transition: color 0.2s; }
.header-nav a:hover { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-install-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 18px; border-radius: var(--radius);
  background: var(--gradient); color: white;
  font-weight: 700; font-size: 0.85rem;
  box-shadow: var(--shadow-primary);
  transition: all 0.2s; white-space: nowrap;
}
.header-install-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 36px rgba(99,102,241,0.35); }
.install-icon { display: flex; align-items: center; }
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }

/* ═══ HERO ═══ */
.hero-section {
  position: relative; overflow: hidden;
  padding: 88px 0 68px; min-height: 80vh;
  display: flex; align-items: center;
  background: linear-gradient(160deg, #F0F4FF 0%, #FDF0F8 50%, #F0FDF7 100%);
}
.hero-orb {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(80px); opacity: 0.5;
}
.orb1 { width: 500px; height: 500px; top: -150px; right: -100px; background: radial-gradient(circle, rgba(99,102,241,0.3), transparent 70%); }
.orb2 { width: 400px; height: 400px; bottom: -100px; left: -100px; background: radial-gradient(circle, rgba(236,72,153,0.2), transparent 70%); }
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 780px; margin: 0 auto; width: 100%; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 20px;
  background: white; border: 1px solid rgba(99,102,241,0.2);
  color: var(--primary); font-size: 0.78rem; font-weight: 700;
  margin-bottom: 24px; box-shadow: var(--shadow-sm);
  letter-spacing: 0.02em;
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px rgba(16,185,129,0.2); animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{box-shadow:0 0 0 3px rgba(16,185,129,0.2)} 50%{box-shadow:0 0 0 6px rgba(16,185,129,0.1)} }

.hero-title { font-size: clamp(2.2rem, 5.5vw, 3.6rem); font-weight: 900; line-height: 1.12; margin-bottom: 18px; color: var(--text); letter-spacing: -0.02em; }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 580px; margin: 0 auto 40px; line-height: 1.75; }

/* ═══ DOWNLOAD BOX ═══ */
.download-box {
  background: white; border-radius: var(--radius-xl);
  padding: 28px 28px 24px;
  box-shadow: var(--shadow-xl), 0 0 0 1px var(--border);
  margin-bottom: 28px;
}
.input-row { display: flex; gap: 10px; margin-bottom: 10px; }
.url-input-wrap { flex: 1; position: relative; display: flex; align-items: center; }
.platform-detect-icon { position: absolute; left: 14px; z-index: 1; display: flex; pointer-events: none; transition: all 0.3s; }
.url-input {
  width: 100%; height: 54px; padding: 0 108px 0 46px;
  border: 2px solid var(--border); border-radius: var(--radius);
  font-family: inherit; font-size: 0.9rem; color: var(--text);
  background: var(--bg); transition: all 0.25s; outline: none;
}
.url-input:focus { border-color: var(--primary); background: white; box-shadow: 0 0 0 4px rgba(99,102,241,0.1); }
.url-input::placeholder { color: var(--text-dim); }
.paste-btn {
  position: absolute; right: 8px;
  display: flex; align-items: center; gap: 5px;
  height: 38px; padding: 0 13px;
  background: var(--primary-light); border: none; border-radius: var(--radius-sm);
  color: var(--primary); font-family: inherit; font-size: 0.8rem; font-weight: 700;
  cursor: pointer; transition: all 0.2s;
}
.paste-btn:hover { background: var(--primary); color: white; }
.analyze-btn {
  display: flex; align-items: center; gap: 8px;
  height: 54px; padding: 0 26px; border: none;
  background: var(--gradient); border-radius: var(--radius);
  color: white; font-family: inherit; font-size: 0.95rem; font-weight: 700;
  cursor: pointer; white-space: nowrap; box-shadow: var(--shadow-primary);
  transition: all 0.2s; min-width: 128px; justify-content: center;
}
.analyze-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(99,102,241,0.4); }
.analyze-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.input-hint { font-size: 0.76rem; color: var(--text-dim); text-align: center; padding: 0 4px; }

/* Error */
.error-box {
  display: flex; align-items: center; gap: 10px;
  margin-top: 14px; padding: 12px 16px;
  background: #FEF2F2; border: 1px solid #FECACA; border-radius: var(--radius);
  color: #DC2626; font-size: 0.86rem; font-weight: 500;
}

/* Loading */
.loading-state { padding: 24px 0 8px; }
.loading-bar { height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; margin-bottom: 16px; }
.loading-fill { height: 100%; background: var(--gradient); border-radius: 2px; width: 30%; animation: load-bar 2s ease-in-out infinite; }
@keyframes load-bar { 0%{width:10%;margin-left:0} 50%{width:40%;margin-left:30%} 100%{width:10%;margin-left:90%} }
.loading-row { display: flex; align-items: center; justify-content: center; gap: 12px; }
.spinner { width: 22px; height: 22px; border: 2.5px solid var(--primary-light); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.65s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
#loading-msg { font-size: 0.9rem; font-weight: 600; color: var(--text-muted); }

/* Result */
.result-section { margin-top: 22px; animation: fadeUp 0.4s ease; }
@keyframes fadeUp { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }

.video-preview {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px; background: var(--bg); border-radius: var(--radius);
  margin-bottom: 20px; border: 1px solid var(--border);
}
.thumb-wrap { position: relative; flex-shrink: 0; }
.video-thumb { width: 140px; height: 88px; object-fit: cover; border-radius: var(--radius-sm); display: block; background: var(--border); }
.thumb-play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.2); border-radius: var(--radius-sm); opacity: 0; transition: opacity 0.2s;
}
.thumb-wrap:hover .thumb-play { opacity: 1; }
.platform-pill { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 0.7rem; font-weight: 700; background: var(--primary-light); color: var(--primary); margin-bottom: 6px; }
.video-title { font-size: 0.92rem; font-weight: 700; line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.meta-chip { padding: 3px 10px; background: white; border: 1px solid var(--border); border-radius: 20px; font-size: 0.73rem; color: var(--text-muted); font-weight: 500; }

/* Quality */
.quality-section { margin-bottom: 20px; }
.quality-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.quality-header h3 { display: flex; align-items: center; gap: 7px; font-size: 0.95rem; font-weight: 700; }
.quality-count { font-size: 0.75rem; color: var(--text-dim); font-weight: 500; }
.quality-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 8px; }

.quality-card {
  border: 2px solid var(--border); border-radius: var(--radius);
  padding: 14px 8px; text-align: center; cursor: pointer;
  background: white; transition: all 0.2s; position: relative; user-select: none;
}
.quality-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.quality-card.selected { border-color: var(--primary); background: var(--primary-light); box-shadow: 0 0 0 3px rgba(99,102,241,0.15); }
.quality-card.selected .qc-check { opacity: 1; }
.quality-card.best-card { border-color: var(--warning); background: #FFFBEB; }
.quality-card.best-card:hover, .quality-card.best-card.selected { background: #FEF3C7; box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
.quality-card.audio-card { border-color: #A78BFA; }
.quality-card.audio-card:hover, .quality-card.audio-card.selected { background: #F5F3FF; box-shadow: 0 0 0 3px rgba(167,139,250,0.15); }
.qc-check { position: absolute; top: 6px; right: 8px; opacity: 0; transition: opacity 0.2s; }
.qc-icon { margin-bottom: 6px; line-height: 1; }
.qc-icon svg { display: block; margin: 0 auto; }
.qc-label { font-size: 0.78rem; font-weight: 700; color: var(--text); }
.qc-sub { font-size: 0.67rem; color: var(--text-dim); margin-top: 2px; }
.qc-size { font-size: 0.68rem; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

/* Download Button */
.download-action { text-align: center; }
.download-main-btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 54px; padding: 0 36px; border: none; border-radius: var(--radius);
  background: var(--gradient); color: white;
  font-family: inherit; font-size: 0.97rem; font-weight: 700;
  cursor: pointer; box-shadow: var(--shadow-primary);
  transition: all 0.2s; min-width: 240px; justify-content: center;
}
.download-main-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(99,102,241,0.4); }
.download-main-btn:disabled { background: var(--bg-alt); color: var(--text-dim); box-shadow: none; cursor: not-allowed; }
.download-note { margin-top: 10px; display: flex; align-items: center; justify-content: center; gap: 5px; font-size: 0.75rem; color: var(--text-dim); }

/* Platform chips */
.platform-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.chip { display: flex; align-items: center; gap: 6px; padding: 6px 14px; background: white; border: 1px solid var(--border); border-radius: 20px; font-size: 0.78rem; font-weight: 600; color: var(--text-muted); box-shadow: var(--shadow-sm); }
.chip-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.chip-dot.yt { background: #FF0000; }
.chip-dot.tt { background: #000000; }
.chip-dot.ig { background: linear-gradient(45deg,#F09433,#BC1888); }
.chip-dot.fb { background: #1877F2; }
.chip-dot.tw { background: #000000; }
.chip-dot.vm { background: #1AB7EA; }
.chip-more { background: var(--primary-light); color: var(--primary); border-color: rgba(99,102,241,0.2); font-weight: 700; }

/* ═══ STATS ═══ */
.stats-section { padding: 32px 0; background: white; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-grid { display: flex; align-items: center; justify-content: center; }
.stat-item { text-align: center; padding: 0 48px; }
.stat-val { font-size: 2.1rem; font-weight: 900; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; margin-bottom: 4px; }
.stat-key { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.stat-divider { width: 1px; height: 48px; background: var(--border); flex-shrink: 0; }

/* ═══ SECTIONS ═══ */
.section { padding: 84px 0; }
.alt-bg { background: white; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-badge { display: inline-block; padding: 5px 16px; background: var(--primary-light); color: var(--primary); border-radius: 20px; font-size: 0.76rem; font-weight: 700; margin-bottom: 12px; letter-spacing: 0.03em; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 10px; letter-spacing: -0.01em; }
.section-head p { color: var(--text-muted); max-width: 480px; margin: 0 auto; font-size: 0.92rem; }

/* ═══ STEPS ═══ */
.steps-row { display: flex; align-items: flex-start; gap: 0; }
.step-card { flex: 1; text-align: center; padding: 36px 24px; background: white; border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow-sm); position: relative; transition: transform 0.2s, box-shadow 0.2s; }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step-number { position: absolute; top: 16px; right: 20px; font-size: 2.4rem; font-weight: 900; color: var(--border); line-height: 1; }
.step-ico { width: 64px; height: 64px; border-radius: var(--radius); background: var(--c, #EEF2FF); display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; }
.step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.75; }
.step-arrow { display: flex; align-items: center; padding: 0 16px; padding-top: 40px; flex-shrink: 0; }

/* ═══ FEATURES ═══ */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { padding: 28px 24px; border-radius: var(--radius-lg); background: var(--bg); border: 1px solid var(--border); transition: all 0.2s; }
.feature-card:hover { background: white; border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.feat-ico { width: 48px; height: 48px; border-radius: var(--radius); background: var(--primary-light); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.feature-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.72; }

/* ═══ PLATFORMS ═══ */
.platforms-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.plat-card { text-align: center; padding: 26px 14px; background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); transition: all 0.22s; cursor: pointer; }
.plat-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.plat-icon { width: 54px; height: 54px; border-radius: 15px; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }
.plat-name { font-size: 0.88rem; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.plat-sub { font-size: 0.72rem; color: var(--text-dim); }
.plat-more { border-style: dashed; }

/* ═══ INSTALL APP ═══ */
.install-section { background: white; }
.install-box { display: flex; align-items: center; gap: 64px; }
.install-left { flex: 1; }
.install-left h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; margin-bottom: 14px; line-height: 1.2; letter-spacing: -0.01em; }
.install-left p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.75; margin-bottom: 28px; max-width: 420px; }
.app-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.app-btn {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; border-radius: var(--radius);
  font-family: inherit; font-size: 0.85rem; color: white;
  transition: all 0.2s; box-shadow: var(--shadow-md);
}
.app-btn small { display: block; font-size: 0.7rem; opacity: 0.8; margin-bottom: 1px; }
.app-btn strong { display: block; font-size: 0.95rem; font-weight: 700; }
.google-play { background: #1A1A2E; }
.google-play:hover { background: #2D2D4E; transform: translateY(-2px); }
.app-store { background: #000; }
.app-store:hover { background: #1A1A1A; transform: translateY(-2px); }
.install-right { flex-shrink: 0; }

/* Phone Mockup (CSS only) */
.phone-mockup { width: 200px; height: 380px; background: linear-gradient(145deg, #1E1E2E, #2D2D4E); border-radius: 36px; padding: 16px 12px; box-shadow: 0 30px 80px rgba(0,0,0,0.25), 0 0 0 2px rgba(255,255,255,0.1); position: relative; }
.phone-screen { background: var(--bg); border-radius: 24px; height: 100%; padding: 16px 10px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.phone-header { height: 28px; background: var(--gradient); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.phone-logo { color: white; font-size: 0.65rem; font-weight: 800; }
.phone-input { height: 30px; background: white; border-radius: 8px; border: 2px solid var(--border); }
.phone-card { height: 55px; border-radius: 10px; background: white; border: 1px solid var(--border); }
.phone-card.c1 { background: linear-gradient(120deg, #EEF2FF, #FDF2F8); }
.phone-card.c2 { background: white; }
.phone-card.c3 { height: 40px; background: #F0FDF4; }
.phone-dl-btn { height: 32px; border-radius: 8px; background: var(--gradient); }

/* ═══ ABOUT ═══ */
.about-box { display: flex; gap: 64px; align-items: flex-start; }
.about-img-wrap { flex-shrink: 0; position: relative; }
.about-img {
  width: 240px; height: 280px; border-radius: var(--radius-xl);
  overflow: hidden; background: var(--primary-light);
  box-shadow: var(--shadow-xl); border: 4px solid white;
  display: flex; align-items: center; justify-content: center;
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-avatar-fallback { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: var(--primary-light); }
.about-badge-card {
  position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  background: white; border-radius: var(--radius); padding: 12px 16px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  white-space: nowrap; min-width: 200px;
}
.abc-icon { width: 36px; height: 36px; border-radius: var(--radius-sm); background: #E8F5E9; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.abc-label { font-size: 0.7rem; color: var(--text-dim); font-weight: 500; }
.abc-value { font-size: 0.9rem; font-weight: 800; color: var(--text); }
.about-content { flex: 1; padding-top: 8px; }
.about-content h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin: 10px 0 16px; letter-spacing: -0.01em; }
.about-lead { font-size: 1rem; color: var(--text); font-weight: 500; line-height: 1.7; margin-bottom: 14px; }
.about-content > p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 24px; }
.about-services h4 { font-size: 0.85rem; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.service-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.svc-chip { display: flex; align-items: center; gap: 6px; padding: 7px 14px; background: var(--primary-light); color: var(--primary); border-radius: 20px; font-size: 0.8rem; font-weight: 600; }
.contact-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 28px; border-radius: var(--radius);
  background: #25D366; color: white; font-weight: 700; font-size: 0.92rem;
  box-shadow: 0 8px 24px rgba(37,211,102,0.3); transition: all 0.2s;
}
.contact-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(37,211,102,0.4); }

/* ═══ FAQ ═══ */
.faq-list { max-width: 740px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: white; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color 0.2s; }
.faq-item.open { border-color: var(--primary); }
.faq-q {
  width: 100%; padding: 18px 22px; display: flex; align-items: center; justify-content: space-between;
  background: none; border: none; cursor: pointer; font-family: inherit;
  font-size: 0.9rem; font-weight: 700; color: var(--text); text-align: left; gap: 16px; transition: background 0.2s;
}
.faq-q:hover { background: var(--bg); }
.faq-arrow { transition: transform 0.3s; flex-shrink: 0; color: var(--primary); }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a { padding: 0 22px; max-height: 0; overflow: hidden; font-size: 0.86rem; color: var(--text-muted); line-height: 1.8; transition: all 0.35s ease; }
.faq-item.open .faq-a { max-height: 160px; padding: 0 22px 18px; }

/* ═══ FOOTER ═══ */
.site-footer { background: #0F172A; color: #94A3B8; padding: 60px 0 32px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo-wrap { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; color: white; margin-bottom: 14px; }
.footer-brand p { font-size: 0.84rem; line-height: 1.75; color: #64748B; margin-bottom: 18px; }
.footer-contact { margin-top: 4px; }
.wa-footer-btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.2); border-radius: var(--radius); color: #25D366; font-size: 0.82rem; font-weight: 700; transition: all 0.2s; }
.wa-footer-btn:hover { background: rgba(37,211,102,0.2); }
.footer-links h4 { color: white; font-size: 0.86rem; font-weight: 700; margin-bottom: 14px; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-links a { color: #64748B; font-size: 0.81rem; transition: color 0.2s; }
.footer-links a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; }
.footer-bottom p { font-size: 0.78rem; color: #475569; margin-bottom: 4px; }

/* ═══ WHATSAPP FLOAT ═══ */
.wa-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 1000;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: white;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 30px rgba(37,211,102,0.45);
  transition: all 0.3s; cursor: pointer;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 10px 40px rgba(37,211,102,0.55); }
.wa-pulse {
  position: absolute; width: 100%; height: 100%;
  border-radius: 50%; background: rgba(37,211,102,0.4);
  animation: wa-pulse 2.5s ease-out infinite;
}
@keyframes wa-pulse { 0%{transform:scale(1);opacity:0.8} 100%{transform:scale(1.7);opacity:0} }
.wa-tooltip {
  position: absolute; right: 70px; bottom: 50%; transform: translateY(50%);
  background: #1A1A2E; color: white; padding: 8px 14px;
  border-radius: var(--radius); font-size: 0.76rem; line-height: 1.5;
  white-space: nowrap; opacity: 0; pointer-events: none;
  transition: all 0.3s; box-shadow: var(--shadow-lg);
}
.wa-tooltip::after { content:''; position:absolute; right:-6px; top:50%; transform:translateY(-50%); border:6px solid transparent; border-right:none; border-left-color:#1A1A2E; }
.wa-float:hover .wa-tooltip { opacity: 1; right: 68px; }

/* ═══ ADS ═══ */
.ad-banner { text-align: center; margin: 24px auto; max-width: 728px; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
  .stats-grid { gap: 0; }
  .stat-item { padding: 0 32px; }
}
@media (max-width: 900px) {
  .steps-row { flex-direction: column; gap: 16px; }
  .step-arrow { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .platforms-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .install-box { flex-direction: column; gap: 40px; }
  .install-right { display: none; }
  .about-box { flex-direction: column; align-items: center; }
  .about-img-wrap { margin-bottom: 40px; }
  .header-nav { display: none; }
}
@media (max-width: 640px) {
  .hero-section { padding: 64px 0 48px; min-height: auto; }
  .input-row { flex-direction: column; }
  .analyze-btn { width: 100%; height: 50px; }
  .url-input { height: 50px; }
  .download-box { padding: 20px 16px; }
  .video-preview { flex-direction: column; }
  .video-thumb { width: 100%; height: 170px; }
  .quality-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { flex-wrap: wrap; }
  .stat-item { width: 50%; padding: 16px; }
  .stat-divider { display: none; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .about-img { width: 200px; height: 240px; }
  .mobile-menu-btn { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
}