/* ═══════════════════════════════════════════════════════════
   ReadToLoud — Shared Stylesheet
   Design inspired by rogueamoeba.com/audiohijack/
   ─────────────────────────────────────────────────────────── */

:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --bg-dark: #1d1d1f;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #aeaeb2;
  --border: #d2d2d7;
  --border-light: #e8e8ed;

  /* Accent — overridden per page theme */
  --accent: #007aff;
  --accent-rgb: 0, 122, 255;
  --accent-light: #e8f4ff;
  --accent-dark: #0051a8;
  --gradient-hero: linear-gradient(160deg, #f0f7ff 0%, #ffffff 55%);
  --gradient-accent: linear-gradient(135deg, #007aff 0%, #5ac8fa 100%);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 6px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.09);
  --shadow-lg: 0 16px 56px rgba(0,0,0,0.13);
  --max-width: 1080px;
  --nav-h: 62px;
}

/* ─── Theme Overrides ─── */
.theme-ios {
  --accent: #007aff;
  --accent-rgb: 0, 122, 255;
  --accent-light: #e8f4ff;
  --accent-dark: #0051a8;
  --gradient-hero: linear-gradient(155deg, #eef6ff 0%, #f8faff 40%, #ffffff 65%);
  --gradient-accent: linear-gradient(135deg, #007aff 0%, #5ac8fa 100%);
}

.theme-mac {
  --accent: #5856d6;
  --accent-rgb: 88, 86, 214;
  --accent-light: #f0eeff;
  --accent-dark: #3634a3;
  --gradient-hero: linear-gradient(155deg, #f3f0ff 0%, #faf8ff 40%, #ffffff 65%);
  --gradient-accent: linear-gradient(135deg, #5856d6 0%, #af52de 100%);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ─── Utility ─── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ═══════════════ NAVIGATION ═══════════════ */
.nav {
  position: sticky;
  top: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-light);
  z-index: 200;
  transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: var(--shadow-sm); }

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  color: var(--text);
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.35);
}
.nav-logo .brand { color: var(--text); }
.nav-logo .brand-accent { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.5rem;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 0.18s, background 0.18s;
}
.nav-links a:hover { color: var(--text); background: var(--bg-alt); }
.nav-links a.active { color: var(--accent); background: var(--accent-light); }

.nav-spacer { flex: 1; }

.nav-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  font-size: 0.875rem;
  font-weight: 650;
  padding: 8px 18px;
  border-radius: 20px;
  transition: background 0.18s, transform 0.15s, box-shadow 0.18s;
  box-shadow: 0 2px 10px rgba(var(--accent-rgb), 0.28);
}
.nav-cta:hover {
  background: var(--accent-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.36);
  color: #fff !important;
}

/* ═══════════════ HERO ═══════════════ */
.hero {
  background: var(--gradient-hero);
  padding: 7rem 2rem 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 500px at 50% -100px, rgba(var(--accent-rgb),0.09) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner { max-width: 680px; margin: 0 auto; position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid rgba(var(--accent-rgb), 0.18);
}
.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-icon {
  width: 110px;
  height: 110px;
  margin: 0 auto 1.75rem;
  background: var(--gradient-accent);
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 54px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(var(--accent-rgb),0.12);
}

.hero-title {
  font-size: clamp(2.6rem, 5.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.08;
  margin-bottom: 1.25rem;
  color: var(--text);
}
.hero-title em { font-style: normal; color: var(--accent); }

.hero-tagline {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0 auto 2.25rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 1.0625rem;
  font-weight: 650;
  padding: 15px 30px;
  border-radius: 26px;
  transition: all 0.22s;
  box-shadow: 0 4px 18px rgba(var(--accent-rgb), 0.32);
  letter-spacing: -0.01em;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(var(--accent-rgb), 0.42);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.9);
  color: var(--text);
  font-size: 1.0625rem;
  font-weight: 600;
  padding: 15px 30px;
  border-radius: 26px;
  border: 1.5px solid var(--border);
  transition: all 0.22s;
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: #fff;
  border-color: var(--text-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hero-meta {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-meta-sep { color: var(--border); }

/* ═══════════════ SECTIONS ═══════════════ */
section { padding: 5.5rem 2rem; }
.section-alt { background: var(--bg-alt); }

.section-header { margin-bottom: 3rem; }
.section-header.centered { text-align: center; }
.section-header.centered .section-subtitle { margin: 0 auto; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.875rem, 3.5vw, 2.625rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--text);
  margin-bottom: 0.875rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 520px;
}

/* ═══════════════ FEATURE GRID ═══════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(305px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 1.875rem;
  border: 1.5px solid var(--border-light);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature-card:hover::after { opacity: 1; }

.feature-card.featured {
  border-color: rgba(var(--accent-rgb), 0.3);
  background: linear-gradient(145deg, var(--accent-light) 0%, var(--bg) 60%);
}
.feature-card.featured::after { opacity: 1; }

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 1.125rem;
  transition: transform 0.25s;
}
.feature-card:hover .feature-icon { transform: scale(1.08); }

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 750;
  letter-spacing: -0.022em;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.58;
}

.feature-tag {
  display: inline-block;
  margin-top: 1rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ═══════════════ APP TOUR ═══════════════ */
.tour-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.tour-grid.reverse { direction: rtl; }
.tour-grid.reverse > * { direction: ltr; }

.tour-text { }
.tour-text h2 {
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--text);
}
.tour-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 1rem;
}

.tour-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 1.5rem;
}
.tour-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}
.tour-feature-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}
.tour-feature strong { color: var(--text); font-weight: 600; }

.mockup-wrap {
  position: relative;
}
.mockup {
  background: var(--bg-alt);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.mockup.phone { aspect-ratio: 9/19.5; max-width: 300px; margin: 0 auto; }
.mockup.mac { aspect-ratio: 16/10; }

.mockup-bar {
  height: 38px;
  background: rgba(0,0,0,0.04);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 7px;
}
.mockup-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 26px;
  background: var(--bg-dark);
  border-radius: 0 0 16px 16px;
  z-index: 2;
}

.mockup-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 200px;
  padding: 2rem;
  flex-direction: column;
  gap: 0.75rem;
  text-align: center;
  color: var(--text-tertiary);
}
.mockup-content .mock-icon { font-size: 3rem; margin-bottom: 0.5rem; opacity: 0.5; }
.mockup-content p { font-size: 0.875rem; }

/* ═══════════════ VERSION COMPARISON ═══════════════ */
.version-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.version-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 2px solid var(--border-light);
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
}
.version-card:hover { box-shadow: var(--shadow-md); border-color: var(--border); }
.version-card.featured { border-color: var(--accent); position: relative; }

.version-card-label {
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.version-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.version-card .version-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.75rem;
  flex: 1;
}

.version-feature-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 1.75rem;
}
.version-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text);
}
.version-feature-item.off { color: var(--text-tertiary); }
.vf-check {
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
  font-weight: 700;
}
.version-feature-item .vf-check { background: rgba(var(--accent-rgb),0.12); color: var(--accent); }
.version-feature-item.off .vf-check { background: var(--bg-alt); color: var(--text-tertiary); }

.version-cta {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 650;
  transition: all 0.2s;
  border: 2px solid var(--accent);
  color: var(--accent);
}
.version-cta:hover { background: var(--accent); color: #fff; }
.version-card.featured .version-cta { background: var(--accent); color: #fff; }
.version-card.featured .version-cta:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

/* ═══════════════ TESTIMONIALS ═══════════════ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1.5px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.testimonial-stars { font-size: 0.875rem; letter-spacing: 2px; color: #ff9f0a; }
.testimonial-quote {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text);
  font-style: italic;
  flex: 1;
}
.testimonial-quote::before { content: '\201C'; color: var(--accent); font-size: 1.5rem; line-height: 0; vertical-align: -0.35rem; margin-right: 3px; font-style: normal; }
.testimonial-author {
  font-size: 0.875rem;
  font-weight: 650;
  color: var(--text-secondary);
}

/* ═══════════════ CTA BAND ═══════════════ */
.cta-section {
  background: var(--gradient-accent);
  text-align: center;
  padding: 7rem 2rem;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.cta-section .container { position: relative; }
.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.cta-section p {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}
.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--accent);
  font-size: 1.0625rem;
  font-weight: 700;
  padding: 15px 32px;
  border-radius: 26px;
  transition: all 0.22s;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.24); }

/* ═══════════════ FOOTER ═══════════════ */
footer {
  background: var(--bg-dark);
  padding: 4.5rem 2rem 2.5rem;
  color: rgba(255,255,255,0.55);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.05rem;
  font-weight: 750;
  color: #fff;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}
.footer-brand-logo-icon {
  width: 30px; height: 30px;
  border-radius: 7px;
  background: var(--gradient-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
}
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 650;
  color: #fff;
  margin-bottom: 1.125rem;
  letter-spacing: -0.01em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.48);
  transition: color 0.18s;
  display: inline-block;
}
.footer-col a:hover { color: rgba(255,255,255,0.9); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 2rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom-links {
  display: flex;
  gap: 1.25rem;
}
.footer-bottom-links a {
  color: rgba(255,255,255,0.4);
  font-size: 0.8125rem;
  transition: color 0.18s;
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.8); }

/* ═══════════════ HUB PAGE ═══════════════ */
.hub-hero {
  background: linear-gradient(155deg, #f5f5f7 0%, #ffffff 60%);
  padding: 7rem 2rem 5rem;
  text-align: center;
}
.hub-hero h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
}
.hub-hero h1 .blue { color: #007aff; }
.hub-hero h1 .purple { color: #5856d6; }
.hub-hero .tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 3rem;
  line-height: 1.55;
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.platform-block {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1.5px solid var(--border-light);
  background: var(--bg);
  transition: box-shadow 0.25s, transform 0.25s;
}
.platform-block:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.platform-header {
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.platform-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}
.platform-block.ios .platform-icon-wrap { background: linear-gradient(135deg, #007aff, #5ac8fa); box-shadow: 0 4px 16px rgba(0,122,255,0.3); }
.platform-block.mac .platform-icon-wrap { background: linear-gradient(135deg, #5856d6, #af52de); box-shadow: 0 4px 16px rgba(88,86,214,0.3); }

.platform-header h2 { font-size: 1.375rem; font-weight: 800; letter-spacing: -0.03em; }
.platform-header p { font-size: 0.9rem; color: var(--text-secondary); margin-top: 2px; }

.version-links { padding: 1.5rem 2rem 2rem; display: flex; flex-direction: column; gap: 12px; }
.version-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  transition: all 0.2s;
  background: var(--bg);
}
.platform-block.ios .version-link:hover { border-color: #007aff; background: #f0f7ff; }
.platform-block.mac .version-link:hover { border-color: #5856d6; background: #f3f0ff; }
.version-link-info h3 { font-size: 1rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 3px; }
.version-link-info p { font-size: 0.8125rem; color: var(--text-secondary); }
.version-link-arrow {
  font-size: 1.125rem;
  color: var(--text-tertiary);
  transition: transform 0.2s;
}
.platform-block.ios .version-link:hover .version-link-arrow { color: #007aff; transform: translateX(3px); }
.platform-block.mac .version-link:hover .version-link-arrow { color: #5856d6; transform: translateX(3px); }

/* ═══════════════ LANGUAGE SWITCHER ═══════════════ */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 3px;
}

.lang-btn {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 4px 9px;
  border-radius: 16px;
  transition: all 0.18s;
  letter-spacing: 0.02em;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font);
}
.lang-btn:hover { color: var(--text); background: rgba(0,0,0,0.05); }
.lang-btn.active {
  background: var(--bg);
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* ═══════════════ SCROLL ANIMATION ═══════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}
.fade-up-delay-1 { transition-delay: 0.08s; }
.fade-up-delay-2 { transition-delay: 0.16s; }
.fade-up-delay-3 { transition-delay: 0.24s; }

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 960px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .tour-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .tour-grid.reverse { direction: ltr; }
  .platform-grid { grid-template-columns: 1fr; max-width: 520px; }
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-badge { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero { padding: 5rem 1.5rem 4rem; }
  section { padding: 4rem 1.5rem; }
  .version-cards { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .mockup.phone { max-width: 220px; }
}

@media (max-width: 400px) {
  .hero-title { font-size: 2.1rem; }
  .btn-primary, .btn-secondary { padding: 13px 22px; font-size: 0.9375rem; }
}