:root {
  color-scheme: light dark;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: rgba(15, 23, 42, 0.08);
  --accent: #ff0033;
  --accent-dark: #cc0029;
  --accent-soft: rgba(255, 0, 51, 0.1);
  --accent-glow: rgba(255, 0, 51, 0.22);
  --success: #16a34a;
  --success-soft: rgba(22, 163, 74, 0.12);
  --hero-gradient: linear-gradient(135deg, #fff5f7 0%, #ffffff 48%, #f8fbff 100%);
  --step-num-bg: #ff1744;
  --step-num-bg-dark: #d50032;
  --step-num-shadow: rgba(255, 0, 51, 0.42);
  --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 40px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 24px 60px rgba(255, 0, 51, 0.12);
  --radius-lg: 22px;
  --radius-md: 16px;
}

html.welcome-theme-dark {
    --bg: #080d18;
    --surface: #121a2a;
    --surface-elevated: #172033;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(148, 163, 184, 0.14);
    --accent-soft: rgba(255, 0, 51, 0.18);
    --accent-glow: rgba(255, 0, 51, 0.28);
    --success: #4ade80;
    --success-soft: rgba(74, 222, 128, 0.16);
    --hero-gradient: linear-gradient(135deg, #1a1020 0%, #121a2a 50%, #0f1728 100%);
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.28);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 24px 60px rgba(255, 0, 51, 0.18);
    --step-num-bg: #ff3158;
    --step-num-bg-dark: #e00035;
    --step-num-shadow: rgba(255, 23, 68, 0.48);
  color-scheme: dark;
}

html.welcome-theme-light {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 0, 51, 0.12), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(59, 130, 246, 0.1), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(255, 0, 51, 0.06), transparent 42%);
}

.page {
  position: relative;
  z-index: 1;
  width: min(940px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.hero {
  margin-bottom: 24px;
  padding: 28px 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--hero-gradient);
  box-shadow: var(--shadow-sm);
}

.top {
  margin-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.brand-icon-wrap {
  flex-shrink: 0;
  padding: 10px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.brand-icon {
  display: block;
  border-radius: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--success-soft);
  color: var(--success);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge::before {
  content: "✓";
  font-size: 10px;
}

.brand-title {
  margin: 0;
}

.brand-title__text {
  display: inline-block;
  margin: 0;
  line-height: 1.35;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  font-family: "Roboto", "Arial", sans-serif;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.brand-title__yt {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #e53935;
}

.brand-title__sep {
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  opacity: 0.85;
}

.brand-title__name {
  font-weight: 700;
  letter-spacing: 0.01em;
}

html.welcome-theme-dark .brand-title__yt {
  color: #ff6b6b;
}

.page-controls {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.theme-toggle:hover {
  border-color: rgba(255, 0, 51, 0.25);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.theme-toggle:active {
  transform: scale(0.96);
}

.theme-toggle__icon {
  width: 20px;
  height: 20px;
}

.theme-toggle__icon_sun {
  display: none;
}

html.welcome-theme-dark .theme-toggle__icon_moon {
  display: none;
}

html.welcome-theme-dark .theme-toggle__icon_sun {
  display: block;
}

.language-switch {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  font-size: 12px;
  color: var(--text-muted);
}

.language-switch::after {
  content: "";
  position: absolute;
  right: 24px;
  width: 7px;
  height: 7px;
  border-right: 1.75px solid currentColor;
  border-bottom: 1.75px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  pointer-events: none;
  transition: transform 0.18s ease;
}

.language-switch:focus-within::after {
  transform: translateY(2px) rotate(225deg);
}

.language-switch select {
  appearance: none;
  -webkit-appearance: none;
  min-width: 132px;
  padding: 9px 38px 9px 13px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent),
    var(--surface-elevated);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.language-switch select:hover,
.language-switch select:focus {
  border-color: rgba(255, 0, 51, 0.35);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}

.language-switch select:hover {
  transform: translateY(-1px);
}

.language-switch select option {
  background: var(--surface);
  color: var(--text);
}

.intro {
  margin: 0;
  max-width: 640px;
  color: var(--text-muted);
  font-size: 16px;
}

.onboarding {
  display: grid;
  gap: 18px;
}

.onboarding-title {
  margin: 0;
  padding: 0 4px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.onboarding-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.step-card {
  position: relative;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.step-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--step-num-bg) 0%, var(--step-num-bg-dark) 100%);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--step-num-shadow);
}

.step-copy h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.step-copy p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
}

.step-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #fff;
}

.step-figure-overlay {
  position: relative;
}

.step-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.step-figure_pin,
.step-figure_youtube {
  box-shadow: var(--shadow-md);
}

.step-figure_youtube .step-figure-overlay {
  line-height: 0;
}

.step-figure_youtube img {
  width: calc(100% + 8px);
  max-width: none;
  min-height: 220px;
  object-fit: cover;
}

.video-clickbait {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.video-clickbait__arrow {
  position: absolute;
  left: 49%;
  top: 16%;
  color: #ff0033;
  font: 900 72px/1 "Arial Black", sans-serif;
  transform: rotate(-17deg);
  -webkit-text-stroke: 5px #fff;
  paint-order: stroke fill;
  filter: drop-shadow(0 6px 8px rgba(0, 0, 0, 0.38));
}

.step-figure_youtube .plugin-highlight {
  position: absolute;
  top: 1%;
  left: 60.5%;
  right: 2.5%;
  height: 11%;
  border: 4px solid var(--accent);
  border-radius: 8px;
  pointer-events: none;
}

.step-figure figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: var(--surface-elevated);
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

.step-figure_youtube figcaption {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

.feature-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  text-align: left;
}

.feature-list li {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  width: 100%;
  max-width: 100%;
  padding: 0;
  font-size: 14px;
  line-height: 1.45;
  text-align: left;
}

.feature-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-icon_transcript {
  color: #475569;
}

.feature-icon_summary {
  color: #e53935;
}

.feature-icon_ask {
  color: #7c3aed;
}

html.welcome-theme-dark .feature-icon_transcript {
  color: #cbd5e1;
}

html.welcome-theme-dark .feature-icon_summary {
  color: #ff6b6b;
}

html.welcome-theme-dark .feature-icon_ask {
  color: #a78bfa;
}

.welcome-offer {
  display: grid;
  gap: 18px;
  justify-items: center;
  margin-bottom: 28px;
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.welcome-offer__title {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.welcome-offer__text {
  margin: 0;
  max-width: 560px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.5;
}

.button_large {
  max-width: 560px;
  min-height: 72px;
  margin-top: 8px;
  padding: 22px 40px;
  font-size: 24px;
}

.cta {
  margin-top: 24px;
}

.cta-card {
  display: grid;
  gap: 14px;
  justify-items: center;
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.cta-eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.button__rocket {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
  transform: rotate(-28deg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 380px;
  padding: 15px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, #ff3355 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(255, 0, 51, 0.32);
}

.button:active {
  transform: translateY(0);
}

.footer-note {
  margin: 0;
  max-width: 420px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .page {
    width: min(940px, calc(100% - 20px));
    padding-top: 16px;
  }

  .hero {
    padding: 20px 18px 18px;
  }

  .page-controls {
    top: 10px;
    right: 10px;
    gap: 6px;
  }

  .theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .language-switch {
    padding: 6px 10px;
    gap: 6px;
  }

  .language-switch select {
    min-width: 108px;
    padding: 7px 10px;
  }

  .step-card {
    padding: 18px 16px;
  }

  .step-head {
    gap: 12px;
  }

  .step-copy h3 {
    font-size: 16px;
  }
}