/* ==========================================================================
   Whale Wire — Marketing Site Styles
   Dark fintech theme with green-to-cyan gradient accents
   ========================================================================== */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f17;
  --bg-card: #12121c;
  --bg-card-hover: #181825;
  --bg-elevated: #1a1a2e;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);

  --text-primary: #f0f0f5;
  --text-secondary: #9090a8;
  --text-tertiary: #606078;

  --accent-green: #00f5a0;
  --accent-cyan: #00d9f5;
  --accent-red: #ff4d6a;
  --accent-gradient: linear-gradient(135deg, #00f5a0, #00d9f5);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-glow: 0 0 60px rgba(0, 245, 160, 0.08);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-subtle);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* --- Layout --- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Animations --- */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition-base), border-color var(--transition-base), padding var(--transition-base);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(10, 10, 15, 0.85);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  backdrop-filter: blur(20px) saturate(1.2);
  border-bottom-color: var(--border-subtle);
  padding: 10px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 8px;
  background: var(--accent-gradient);
  color: #0a0a0f;
  transition: opacity var(--transition-fast);
}

.nav-cta:hover {
  opacity: 0.9;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(0, 245, 160, 0.06) 0%, rgba(0, 217, 245, 0.03) 40%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-light);
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 245, 160, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(0, 245, 160, 0); }
}

.hero-title {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 40px;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #0a0a0f;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

/* Hero stats */
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-light);
}

/* ==========================================================================
   Section Shared
   ========================================================================== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 16px auto 0;
}

/* ==========================================================================
   Features
   ========================================================================== */
.features {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 245, 160, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   Data Sources
   ========================================================================== */
.data-sources {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.sources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.source-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.source-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.source-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 245, 160, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
}

.source-name {
  font-size: 14px;
  font-weight: 600;
}

.source-type {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* ==========================================================================
   Signal Preview
   ========================================================================== */
.signal-preview {
  padding: 100px 0;
}

.signal-card-wrapper {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

.signal-card-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 300px;
  background: radial-gradient(ellipse at center, rgba(0, 245, 160, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.signal-card {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.signal-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border-subtle);
}

.signal-card-pair {
  display: flex;
  align-items: center;
  gap: 12px;
}

.signal-card-symbol {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.signal-card-badge {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.signal-card-badge--short {
  background: rgba(255, 77, 106, 0.15);
  color: var(--accent-red);
}

.signal-card-badge--long {
  background: rgba(0, 245, 160, 0.15);
  color: var(--accent-green);
}

.signal-card-score {
  display: flex;
  align-items: baseline;
}

.signal-card-score-value {
  font-size: 32px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.signal-card-score-max {
  font-size: 16px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.signal-card-body {
  padding: 24px 28px;
}

.signal-card-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.signal-card-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.signal-card-meta-label {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.signal-card-meta-value {
  font-size: 15px;
  font-weight: 600;
}

.signal-card-meta-value--green {
  color: var(--accent-green);
}

.signal-card-meta-value--red {
  color: var(--accent-red);
}

.signal-card-reasoning {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 245, 160, 0.04);
  border: 1px solid rgba(0, 245, 160, 0.08);
  margin-bottom: 16px;
}

.signal-card-reasoning-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-green);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.signal-card-reasoning-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.signal-card-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.signal-card-indicator {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}

.signal-card-indicator--bearish {
  background: rgba(255, 77, 106, 0.1);
  color: var(--accent-red);
}

.signal-card-indicator--bullish {
  background: rgba(0, 245, 160, 0.1);
  color: var(--accent-green);
}

.signal-card-indicator--neutral {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.signal-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  border-top: 1px solid var(--border-subtle);
}

.signal-card-time {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.signal-card-sources {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Pricing
   ========================================================================== */
.pricing {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.pricing-toggle-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-toggle-label[data-period="monthly"] {
  color: var(--text-primary);
}

body.is-annual .pricing-toggle-label[data-period="monthly"] {
  color: var(--text-secondary);
}

body.is-annual .pricing-toggle-label[data-period="annual"] {
  color: var(--text-primary);
}

.pricing-toggle-save {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  background: rgba(0, 245, 160, 0.12);
  color: var(--accent-green);
  font-weight: 600;
}

.pricing-toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 100px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  padding: 2px;
  transition: background var(--transition-base);
}

.pricing-toggle-knob {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-primary);
  transition: transform var(--transition-base);
}

body.is-annual .pricing-toggle-knob {
  transform: translateX(20px);
}

body.is-annual .pricing-toggle-switch {
  background: rgba(0, 245, 160, 0.2);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.pricing-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.pricing-card {
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 36px 32px;
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.pricing-card--featured {
  border-color: rgba(0, 245, 160, 0.25);
  background: linear-gradient(180deg, rgba(0, 245, 160, 0.04) 0%, var(--bg-card) 40%);
  box-shadow: 0 0 40px rgba(0, 245, 160, 0.06);
}

.pricing-card--featured:hover {
  border-color: rgba(0, 245, 160, 0.35);
}

.pricing-card-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  border-radius: 100px;
  background: var(--accent-gradient);
  color: #0a0a0f;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-card-header {
  margin-bottom: 24px;
}

.pricing-card-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.pricing-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-card-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 28px;
}

.pricing-card-amount {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.pricing-card-period {
  font-size: 16px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.pricing-card-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.pricing-card-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.pricing-card-feature--included {
  color: var(--text-primary);
}

.pricing-card-feature--included svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

.pricing-card-feature--excluded {
  color: var(--text-tertiary);
}

.pricing-card-feature--excluded svg {
  color: var(--text-tertiary);
  flex-shrink: 0;
  opacity: 0.5;
}

.pricing-card-cta {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* ==========================================================================
   Social Proof
   ========================================================================== */
.social-proof {
  padding: 100px 0;
}

.social-proof-inner {
  text-align: center;
}

.social-proof-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  margin-bottom: 12px;
}

.social-proof-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 12px;
}

.social-proof-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 48px;
}

.social-proof-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 56px;
}

.social-proof-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.social-proof-badge svg {
  color: var(--accent-green);
}

.social-proof-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
}

.social-proof-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.social-proof-stat-value {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.social-proof-stat-label {
  font-size: 14px;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.faq-item {
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.is-open {
  border-color: var(--border-light);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--accent-green);
}

.faq-chevron {
  transition: transform var(--transition-base);
  flex-shrink: 0;
  color: var(--text-tertiary);
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-top: 16px;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-link-soon span {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-elevated);
  color: var(--text-tertiary);
  margin-left: 6px;
  font-weight: 500;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 32px;
}

.footer-disclaimer {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 720px;
}

.footer-legal {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-legal a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 968px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid,
  .pricing-grid--4 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .social-proof-stats {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-subtle);
  }

  .hero {
    padding: 130px 0 80px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

  .hero-stat-divider {
    display: none;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .sources-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .signal-card-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .social-proof-badges {
    flex-direction: column;
    align-items: center;
  }

  .social-proof-stats {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-legal {
    flex-wrap: wrap;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

  .hero-title {
    font-size: 32px;
  }

  .signal-card-header {
    padding: 20px;
  }

  .signal-card-body {
    padding: 20px;
  }

  .signal-card-footer {
    padding: 14px 20px;
  }
}