:root {
  --bg: #FFFBF5;
  --bg-deep: #FFF3E8;
  --surface: rgba(255,255,255,0.62);
  --surface-hover: rgba(255,255,255,0.88);
  --glass: rgba(255,255,255,0.30);
  --glass-border: rgba(200,160,120,0.20);
  --text: #1C1210;
  --text-secondary: #7A6558;
  --accent: #E65100;
  --accent-light: #FF6D00;
  --accent-soft: #FFF3E0;
  --accent-glow: rgba(255,109,0,0.22);
  --gradient-hero: radial-gradient(ellipse at 28% 45%, #FFF3E0 0%, #FFECD2 32%, #FFFBF5 68%);
  --gradient-btn: linear-gradient(135deg, #E65100 0%, #FF8F00 100%);
  --card-shadow: 0 8px 32px rgba(120,80,40,0.07);
  --glass-shadow: 0 8px 32px rgba(120,80,40,0.12);
  --radius: 22px;
  --radius-sm: 14px;
  --nav-blur: 22px;
  --tr: 0.32s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="dark"] {
  --bg: #0A080D;
  --bg-deep: #14101A;
  --surface: rgba(38,30,48,0.72);
  --surface-hover: rgba(52,42,64,0.90);
  --glass: rgba(255,255,255,0.055);
  --glass-border: rgba(255,180,100,0.10);
  --text: #F5F0EB;
  --text-secondary: #A89888;
  --accent: #FF8F00;
  --accent-light: #FFB300;
  --accent-soft: rgba(255,143,0,0.10);
  --accent-glow: rgba(255,143,0,0.28);
  --gradient-hero: radial-gradient(ellipse at 28% 45%, rgba(50,30,10,0.55) 0%, #0A080D 68%);
  --gradient-btn: linear-gradient(135deg, #FF6D00 0%, #FFB300 100%);
  --card-shadow: 0 8px 32px rgba(0,0,0,0.35);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.50);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--tr), color var(--tr);
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { line-height: 1.2; }
img { max-width: 100%; height: auto; }

/* ============================
   NAV
   ============================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(var(--nav-blur)); -webkit-backdrop-filter: blur(var(--nav-blur));
  background: var(--glass);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--tr);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto; padding: 14px 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.15rem;
  color: var(--text); text-decoration: none;
}
.nav-logo-image {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: var(--card-shadow);
  flex-shrink: 0;
}
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none;
  font-size: 0.88rem; font-weight: 500;
  transition: color var(--tr);
}
.nav-links a:hover { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--glass); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text); transition: all var(--tr);
}
.theme-toggle:hover { background: var(--surface-hover); }
.theme-toggle svg { width: 20px; height: 20px; }
.burger {
  display: none; background: none; border: none;
  cursor: pointer; color: var(--text);
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
}
.burger svg { width: 24px; height: 24px; }

/* ============================
   HERO — asymmetric split layout
   ============================ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 100px 0 80px;
  background: var(--gradient-hero);
  position: relative; overflow: hidden;
}
.hero-inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 48px; align-items: center;
  max-width: 1180px; margin: 0 auto; padding: 0 24px;
  width: 100%;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 18px; border-radius: 50px;
  background: var(--accent-soft);
  color: var(--accent); font-size: 0.82rem; font-weight: 600;
  margin-bottom: 22px;
  border: 1px solid rgba(255,109,0,0.14);
}
.hero-badge svg { width: 14px; height: 14px; }
.hero h1 {
  font-size: clamp(2.1rem, 4.8vw, 3.3rem);
  font-weight: 800; letter-spacing: -0.025em;
  margin-bottom: 18px;
}
.hero h1 .accent-word {
  background: var(--gradient-btn);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem; color: var(--text-secondary);
  max-width: 500px; margin-bottom: 32px; line-height: 1.72;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 14px;
  background: var(--gradient-btn);
  color: #fff; font-weight: 700; font-size: 1rem;
  text-decoration: none; border: none; cursor: pointer;
  box-shadow: 0 4px 24px var(--accent-glow);
  transition: all var(--tr);
  font-family: inherit;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px var(--accent-glow);
}
.btn-primary svg { width: 18px; height: 18px; }
.btn-primary.is-progress {
  pointer-events: none;
  opacity: 0.92;
  transform: none;
}
.btn-primary.is-progress::after {
  content: '';
  display: inline-block;
  width: 14px; height: 14px;
  margin-left: 8px;
  border: 2px solid rgba(255,255,255,0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: dl-spin 0.7s linear infinite;
  vertical-align: -2px;
}
@keyframes dl-spin { to { transform: rotate(360deg); } }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 14px;
  background: var(--glass);
  color: var(--text); font-weight: 600; font-size: 1rem;
  text-decoration: none;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  transition: all var(--tr);
}
.btn-secondary:hover {
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.hero-tags { display: flex; gap: 22px; flex-wrap: wrap; }
.hero-tag {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.82rem; color: var(--text-secondary); font-weight: 500;
}
.hero-tag svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }

.hero-visual {
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1;
}
.hero-media {
  position: relative;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.hero-media::before {
  content: '';
  position: absolute;
  inset: -18%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
  animation: pulse-glow 5s ease-in-out infinite;
}
.hero-media video {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 0.55; }
  50%      { transform: scale(1.12); opacity: 1; }
}

/* ============================
   SECTION COMMON
   ============================ */
.section { padding: 100px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.35rem);
  font-weight: 800; letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.section-header p {
  font-size: 1.05rem; color: var(--text-secondary);
  max-width: 560px; margin: 0 auto; line-height: 1.7;
}

/* ============================
   ADVANTAGES — 3-col glass grid
   ============================ */
.adv-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.adv-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px 26px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--card-shadow);
  transition: all var(--tr);
}
.adv-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow);
}
.adv-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  border: 1px solid rgba(255,109,0,0.10);
}
.adv-icon svg { width: 24px; height: 24px; color: var(--accent); }
.adv-card h3 { font-size: 1.06rem; font-weight: 700; margin-bottom: 8px; }
.adv-card p  { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.62; }

/* ============================
   FEATURES — alternating spotlight
   ============================ */
.feature-item {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
  margin-bottom: 72px;
}
.feature-item-wide {
  grid-template-columns: minmax(320px, 0.85fr) minmax(520px, 1.15fr);
  gap: 32px;
}
.feature-item:last-child { margin-bottom: 0; }
.feature-item:nth-child(even) { direction: rtl; }
.feature-item:nth-child(even) > * { direction: ltr; }
.feature-text h3 {
  font-size: 1.45rem; font-weight: 700; margin-bottom: 12px;
}
.feature-text p {
  font-size: 0.96rem; color: var(--text-secondary);
  line-height: 1.72; margin-bottom: 16px;
}
.feature-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent); font-size: 0.78rem; font-weight: 600;
  border: 1px solid rgba(255,109,0,0.10);
}
.feature-visual {
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--glass-shadow);
  min-height: 320px;
  overflow: hidden;
}
.feature-visual svg { width: 72px; height: 72px; color: var(--accent); opacity: 0.75; }
.feature-visual img,
.feature-visual video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  object-position: center;
}
.feature-visual-step img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-position: center top;
}
.feature-visual-playlist img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-position: center top;
}
.feature-visual-step {
  min-height: 360px;
}
.feature-visual-playlist {
  min-height: 360px;
}

@media (min-width: 1025px) {
  .feature-visual-step,
  .feature-visual-playlist {
    min-height: 460px;
    height: 460px;
  }

  .feature-visual-step img,
  .feature-visual-playlist img {
    width: 100%;
    height: 460px;
    min-height: 460px;
    max-height: 460px;
    object-fit: fill;
  }
}

/* ============================
   USE CASES
   ============================ */
.uc-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.uc-card {
  text-align: center;
  padding: 36px 16px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--card-shadow);
  transition: all var(--tr);
}
.uc-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow);
}
.uc-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
  border: 1px solid rgba(255,109,0,0.10);
}
.uc-icon svg { width: 26px; height: 26px; color: var(--accent); }
.uc-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 5px; }
.uc-card p  { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.55; }

/* ============================
   TRUST — compact grid
   ============================ */
.trust-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.trust-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: all var(--tr);
}
.trust-item:hover { transform: translateY(-3px); box-shadow: var(--glass-shadow); }
.trust-ico {
  flex-shrink: 0;
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,109,0,0.08);
}
.trust-ico svg { width: 20px; height: 20px; color: var(--accent); }
.trust-item h4 { font-size: 0.94rem; font-weight: 700; margin-bottom: 4px; }
.trust-item p  { font-size: 0.84rem; color: var(--text-secondary); line-height: 1.55; }

/* ============================
   PLATFORMS — large download cards
   ============================ */
.plat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.plat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--card-shadow);
  transition: all var(--tr);
}
.plat-card:hover { transform: translateY(-5px); box-shadow: var(--glass-shadow); }
.plat-icon {
  width: 64px; height: 64px; border-radius: 18px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  border: 1px solid rgba(255,109,0,0.10);
}
.plat-icon svg { width: 32px; height: 32px; color: var(--accent); }
.plat-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.plat-card p  { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.55; }
.plat-meta {
  display: block;
  margin: -8px 0 18px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}
.plat-card .btn-primary {
  width: 100%; justify-content: center;
  padding: 12px 20px; font-size: 0.92rem;
}

/* ============================
   PREVIEW
   ============================ */
.preview-showcase {
  display: grid;
  gap: 22px;
}
.preview-hero-shot {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.preview-hero-shot img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
}

/* ============================
   FAQ — accordion
   ============================ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--glass-border); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 22px 0;
  background: none; border: none;
  color: var(--text); font-size: 1rem; font-weight: 600;
  cursor: pointer; text-align: left;
  font-family: inherit; line-height: 1.45;
  transition: color var(--tr);
  gap: 16px;
}
.faq-q:hover { color: var(--accent); }
.faq-q svg {
  width: 20px; height: 20px; flex-shrink: 0;
  transition: transform var(--tr);
  color: var(--accent);
}
.faq-item.active .faq-q svg { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.45s ease, padding 0.35s ease;
}
.faq-item.active .faq-a { max-height: 500px; padding-bottom: 22px; }
.faq-a p {
  font-size: 0.92rem; color: var(--text-secondary); line-height: 1.72;
}
.faq-a a,
.how-card a {
  color: var(--accent);
}

/* ============================
   FINAL CTA
   ============================ */
.final-cta {
  text-align: center;
  padding: 110px 0;
  position: relative; overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 520px; height: 520px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}
.final-cta h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 800; margin-bottom: 16px;
  position: relative; z-index: 1;
}
.final-cta p {
  font-size: 1.06rem; color: var(--text-secondary);
  max-width: 520px; margin: 0 auto 32px;
  position: relative; z-index: 1; line-height: 1.7;
}
.final-cta .btn-primary {
  position: relative; z-index: 1;
  padding: 16px 44px; font-size: 1.06rem;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  padding: 48px 0 28px;
  border-top: 1px solid var(--glass-border);
}
.footer-grid {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 40px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.footer-logo {
  display: block;
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 16px;
  margin-bottom: 16px;
  box-shadow: var(--card-shadow);
}
.footer-col h4 {
  font-size: 0.88rem; font-weight: 700; margin-bottom: 14px;
}
.footer-col a {
  display: block; color: var(--text-secondary);
  text-decoration: none; font-size: 0.84rem;
  margin-bottom: 8px; transition: color var(--tr);
}
.footer-col a:hover { color: var(--accent); }
.footer-col p {
  font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6;
  max-width: 280px;
}
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 22px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.78rem; color: var(--text-secondary);
  flex-wrap: wrap; gap: 10px;
}

/* ============================
   SCROLL REVEAL
   ============================ */
.fade-up {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.72s ease, transform 0.72s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================
   MOBILE NAV OVERLAY
   ============================ */
.mobile-menu {
  display: none;
  position: fixed; top: 68px; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 99; padding: 28px 24px;
  flex-direction: column; gap: 0;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  display: block; padding: 16px 0;
  color: var(--text); text-decoration: none;
  font-size: 1.05rem; font-weight: 500;
  border-bottom: 1px solid var(--glass-border);
}
.mobile-menu a:last-child { border-bottom: none; }

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.how-card {
  padding: 28px 22px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}
.how-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  border-radius: 10px;
  background: var(--gradient-btn);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
}
.how-card h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 8px; }
.how-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }
.how-card a { color: var(--accent); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  transition: transform var(--tr), box-shadow var(--tr);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--glass-shadow); }
.blog-card img {
  display: block;
  width: 100%;
  height: 140px;
  object-fit: cover;
}
.blog-card-body { padding: 16px 18px 20px; }
.blog-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.blog-card h3 a { color: inherit; text-decoration: none; }
.blog-card h3 a:hover { color: var(--accent); }
.blog-card p { font-size: 0.84rem; color: var(--text-secondary); line-height: 1.5; }

/* ============================
   INNER PAGES
   ============================ */
.page {
  flex: 1;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 108px 0 64px;
}
.page-narrow {
  width: min(44rem, 100%);
  margin: 0 auto;
}
.crumbs {
  margin: 0 0 1rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
}
.crumbs a {
  color: var(--text-secondary);
  text-decoration: none;
}
.crumbs a:hover { color: var(--accent); }
.prose { font-size: 1.05rem; }
.prose > *:first-child { margin-top: 0; }
.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  margin: 1.6rem 0 0.7rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.prose h1 { margin-top: 0; font-size: 1.85rem; }
.prose h2 { font-size: 1.3rem; }
.prose h3,
.prose h4,
.prose h5 { font-size: 1.1rem; }
.prose p,
.prose ul,
.prose ol,
.prose table { margin: 0 0 1rem; }
.prose li { margin-bottom: 0.3rem; }
.prose a { color: var(--accent); }
.prose a.btn-primary { color: #fff; }
.prose img {
  display: block;
  width: 100%;
  margin: 0 0 1.1rem;
  border-radius: var(--radius-sm);
}
.prose .btn { margin: 0.15rem 0 0.4rem; }
.prose .table {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}
.cover {
  display: block;
  width: 100%;
  margin: 0 0 1.25rem;
  border-radius: var(--radius-sm);
}
.youtube-video {
  height: 0;
  overflow: hidden;
  margin: 0 0 1.25rem;
  padding-bottom: 56.25%;
  position: relative;
  border-radius: var(--radius-sm);
}
.youtube-video iframe {
  border: 0;
  height: 100%;
  left: 0;
  outline: 0;
  position: absolute;
  top: 0;
  width: 100%;
}
.cards-section {
  margin-top: 2rem;
  padding-top: 0.25rem;
}
.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.post-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  transition: transform var(--tr), box-shadow var(--tr);
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow);
}
.post-card-media { display: block; background: var(--bg-deep); }
.post-card-media img {
  display: block;
  width: 100%;
  height: 140px;
  object-fit: cover;
}
.post-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 0.9rem 1rem 1rem;
}
.post-card-body h3,
.post-card-body h5 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}
.post-card-body p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.45;
}
.article-link {
  color: inherit;
  text-decoration: none;
}
.article-link:hover { color: var(--accent); }
.chip-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}
.chip-nav a {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--tr);
}
.chip-nav a:hover,
.chip-nav a.is-active {
  border-color: transparent;
  background: var(--gradient-btn);
  color: #fff;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-content { order: 1; }
  .hero-visual { order: 0; margin-bottom: 12px; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-tags { justify-content: center; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-item { grid-template-columns: 1fr; gap: 28px; }
  .feature-item-wide { grid-template-columns: 1fr; gap: 28px; }
  .feature-item:nth-child(even) { direction: ltr; }
  .feature-visual { min-height: 260px; }
  .feature-visual img { min-height: 260px; }
  .uc-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  .section { padding: 64px 0; }
  .section-header { margin-bottom: 36px; }
  .adv-grid { grid-template-columns: 1fr; }
  .uc-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .plat-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .cards,
  .cards-4 { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; gap: 28px; }
  .feature-visual svg { width: 56px; height: 56px; }
  .feature-visual { min-height: 220px; }
  .feature-visual img { min-height: 220px; }
  .feature-visual-step img { object-position: center top; }
  .feature-visual-playlist img { object-position: center top; }
  .preview-hero-shot img { min-height: 260px; }
}

@media (max-width: 480px) {
  .hero { padding: 80px 0 48px; }
  .hero h1 { font-size: 1.75rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .uc-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}