:root {
  --bg: #07111f;
  --bg-elevated: rgba(14, 27, 46, 0.92);
  --bg-soft: rgba(255, 255, 255, 0.06);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-main: #f7fbff;
  --text-muted: #aec0d6;
  --accent: #1dd1a1;
  --accent-strong: #12b488;
  --danger: #ff6b81;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-stack);
  background:
    radial-gradient(circle at top, rgba(29, 209, 161, 0.18), transparent 28%),
    linear-gradient(180deg, #08101c 0%, #040812 100%);
  color: var(--text-main);
}

a {
  color: inherit;
}

.hidden {
  display: none !important;
}

.page-shell {
  min-height: 100vh;
  display: block;
}

.app-shell {
  width: min(100%, 72rem);
  margin: 0 auto;
  padding: var(--space-4);
}

.hero,
.control-panel,
.player-section,
.site-footer,
.ad-slot {
  backdrop-filter: blur(16px);
}

.hero {
  padding: var(--space-5) var(--space-4);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(10, 22, 38, 0.94), rgba(6, 12, 22, 0.86));
  box-shadow: var(--shadow);
}

.brand-mark,
.section-eyebrow,
.meta-label {
  margin: 0 0 var(--space-2);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

.hero h1,
.player-header h2 {
  margin: 0;
  line-height: 1.05;
}

.hero h1 {
  font-size: clamp(2rem, 8vw, 4.2rem);
  max-width: 11ch;
}

.hero-copy {
  margin: var(--space-3) 0 0;
  max-width: 38rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.control-panel,
.player-section {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  animation: fade-in 280ms ease;
}

.translate-form {
  display: grid;
  gap: var(--space-2);
}

.field-label {
  font-size: 0.95rem;
  color: var(--text-muted);
}

input,
textarea,
select,
button {
  width: 100%;
  min-height: 3.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
}

input,
textarea,
select {
  padding: 0 var(--space-3);
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.07);
}

textarea {
  min-height: 10rem;
  padding: var(--space-3);
  resize: vertical;
}

input::placeholder {
  color: rgba(247, 251, 255, 0.45);
}

button {
  cursor: pointer;
  border: 0;
  font-weight: 700;
  transition: transform 140ms ease, background 140ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  cursor: wait;
  opacity: 0.75;
  transform: none;
}

#submit-button {
  margin-top: var(--space-2);
  background: linear-gradient(135deg, var(--accent), #2de0ff);
  color: #042234;
}

.secondary-button {
  width: auto;
  padding: 0 var(--space-3);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.message,
.status-copy,
.metadata {
  color: var(--text-muted);
}

.error {
  margin: var(--space-3) 0 0;
  color: var(--danger);
}

.status-card {
  display: grid;
  gap: var(--space-2);
  justify-items: start;
}

.status-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.status-copy {
  margin: 0;
  line-height: 1.5;
}

.spinner {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 999px;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--accent);
  animation: spin 900ms linear infinite;
}

.ad-interstitial,
.ad-slot,
.preroll-overlay,
.pause-overlay,
.ad-surface,
.ad-unit {
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
}

.ad-slot,
.ad-surface,
.ad-unit {
  color: var(--text-muted);
}

.ad-banner,
.ad-unit,
.ad-surface {
  display: grid;
  place-items: center;
  text-align: center;
}

.ad-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 1.6rem;
  padding: 0 var(--space-2);
  border-radius: 999px;
  background: rgba(29, 209, 161, 0.18);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ad-copy {
  margin: 0;
  line-height: 1.5;
}

.ad-unit {
  width: 100%;
  min-height: 100%;
  padding: var(--space-3);
}

.ad-unit-box {
  width: min(100%, 45.5rem);
  min-height: min(15.625rem, 60vw);
  padding: var(--space-4);
  gap: var(--space-2);
}

.ad-unit-skyscraper {
  width: 10rem;
  min-height: 37.5rem;
}

.ad-unit-mobile {
  width: min(100%, 20rem);
  min-height: 3.125rem;
}

.ad-interstitial {
  width: 100%;
  margin-top: var(--space-2);
  padding: var(--space-3);
  background: rgba(4, 8, 18, 0.78);
  animation: fade-in 220ms ease;
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.metadata {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.metadata p {
  margin: 0;
}

.player-stage {
  position: relative;
}

.player-container {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #000;
}

.player-container iframe,
.player-container blockquote,
.player-container .player-placeholder {
  width: 100%;
  height: 100%;
  border: 0;
}

.player-placeholder {
  display: grid;
  place-items: center;
  color: var(--text-muted);
}

.subtitle-overlay {
  position: absolute;
  z-index: 10;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  width: min(92%, 42rem);
  padding: 0.8rem 1rem;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  text-align: center;
  line-height: 1.45;
  font-size: clamp(1rem, 2.8vw, 1.35rem);
  opacity: 0;
  transition: opacity 180ms ease;
  pointer-events: none;
}

.subtitle-overlay.visible {
  opacity: 1;
}

.preroll-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  background: rgba(5, 9, 15, 0.82);
  text-align: center;
}

.pause-overlay {
  position: absolute;
  inset: auto 1rem 1rem;
  z-index: 5;
  display: grid;
  justify-items: end;
  background: transparent;
  pointer-events: none;
}

.pause-overlay .ad-surface {
  width: min(100%, 20rem);
  min-height: 6rem;
  padding: var(--space-3);
  gap: var(--space-2);
  background: rgba(8, 14, 24, 0.9);
  pointer-events: auto;
}

.inline-link {
  color: var(--accent);
  text-decoration: none;
}

.inline-link:hover,
.page-nav a:hover,
.site-footer a:hover {
  color: var(--text-main);
}

.ad-slot {
  gap: var(--space-2);
  min-height: 6rem;
  margin-top: var(--space-4);
  padding: var(--space-3);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin: var(--space-4) 0 var(--space-5);
  color: var(--text-muted);
}

.marketing-shell {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.page-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.brand-link,
.page-nav a,
.site-footer a {
  text-decoration: none;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  color: var(--text-muted);
}

.marketing-hero {
  padding: var(--space-5);
}

.hero-grid,
.suggestion-hero {
  display: grid;
  gap: var(--space-4);
}

.price-badge {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-4);
  padding: 0.85rem 1.1rem;
  border: 1px solid rgba(45, 224, 255, 0.22);
  border-radius: 999px;
  background: rgba(8, 28, 46, 0.7);
  color: #d4f9ff;
  font-weight: 700;
}

.signup-meter,
.lead-card,
.feature-card {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.signup-meter {
  margin-top: var(--space-4);
  padding: var(--space-4);
}

.meter-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.meter-count,
.meter-note {
  margin: 0;
}

.meter-count {
  font-size: 1.1rem;
  font-weight: 700;
}

.meter-note {
  color: var(--text-muted);
}

.progress-track {
  width: 100%;
  height: 0.9rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent), #2de0ff);
  transition: width 180ms ease;
}

.lead-card {
  padding: var(--space-4);
}

.lead-card h2,
.feature-card h2 {
  margin: 0 0 var(--space-2);
}

.lead-form {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.success {
  margin: var(--space-3) 0 0;
  color: var(--accent);
}

.feature-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.feature-card {
  padding: var(--space-4);
}

.feature-card p:last-child {
  margin-bottom: 0;
}

.legal-shell {
  padding-top: var(--space-5);
  padding-bottom: calc(var(--space-6) * 1.5);
}

.legal-hero h1 {
  max-width: 15ch;
}

.legal-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.legal-card {
  padding: var(--space-4);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}

.legal-card h2 {
  margin-top: 0;
}

.legal-card p {
  margin: 0 0 var(--space-3);
  color: var(--text-muted);
  line-height: 1.7;
}

.legal-card p:last-child {
  margin-bottom: 0;
}

.cookie-banner {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  left: var(--space-4);
  z-index: 20;
  display: grid;
  gap: var(--space-3);
  max-width: 64rem;
  margin: 0 auto;
  padding: var(--space-4);
  border: 1px solid rgba(45, 224, 255, 0.18);
  border-radius: var(--radius-md);
  background: rgba(4, 10, 18, 0.96);
  box-shadow: var(--shadow);
}

.cookie-banner-copy {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.cookie-banner-actions button {
  width: auto;
  min-width: 9rem;
  padding: 0 var(--space-4);
}

.button-outline {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: transparent;
  color: var(--text-main);
}

.ad-slot-left,
.ad-slot-right {
  display: none;
}
@media (min-width: 768px) {
  .translate-form {
    grid-template-columns: 1.8fr 1fr auto;
    align-items: end;
  }

  .translate-form .field-label:nth-of-type(1),
  .translate-form .field-label:nth-of-type(2) {
    grid-row: 1;
  }

  #video-url,
  #target-lang,
  #submit-button {
    grid-row: 2;
  }

  #submit-button {
    width: auto;
    padding: 0 1.75rem;
    margin-top: 0;
  }

  .metadata {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(20rem, 0.95fr);
    align-items: start;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .legal-grid {
    grid-template-columns: minmax(0, 2fr) minmax(18rem, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-shell {
    display: grid;
    grid-template-columns: minmax(9rem, 12rem) minmax(0, 1fr) minmax(9rem, 12rem);
    gap: var(--space-4);
    align-items: start;
    padding: var(--space-4);
  }

  .app-shell {
    grid-column: 2;
    width: 100%;
    padding: 0;
  }

  .ad-banner-left {
    grid-column: 1;
    display: grid;
    position: sticky;
    top: var(--space-4);
    justify-items: center;
    min-height: 24rem;
    margin-top: 0;
  }

  .ad-banner-right {
    grid-column: 3;
    display: grid;
    position: sticky;
    top: var(--space-4);
    justify-items: center;
    min-height: 24rem;
    margin-top: 0;
  }

  .ad-banner-bottom {
    display: none;
  }
}

@media (max-width: 1023.98px) {
  .ad-banner-left,
  .ad-banner-right {
    display: none;
  }

  .ad-banner-bottom {
    position: sticky;
    bottom: var(--space-3);
    z-index: 4;
  }

  .pause-overlay {
    inset: auto 0.75rem 4.75rem;
  }

  .subtitle-overlay {
    bottom: 5.5rem;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}