/* ============================================================
   ChannelzIQ Design System & Landing Page Styles
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --primary: #7C3AED;
  --primary-light: #8B5CF6;
  --primary-dark: #6D28D9;
  --secondary: #2563EB;
  --accent: #06B6D4;
  --bg: #0A0A0F;
  --surface: #13131A;
  --surface-light: #1E1E2A;
  --text: #F8F8FF;
  --text-muted: #6B7280;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --radius: 12px;
  --transition: all 0.3s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font);
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font);
  font-size: 1rem;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

/* --- Selection --- */
::selection {
  background: var(--primary);
  color: #fff;
}

::-moz-selection {
  background: var(--primary);
  color: #fff;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--surface-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* --- Focus Visible --- */
*:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--primary-light);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(124, 58, 237, 0.1);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  background: transparent;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  border: none;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* --- Cards --- */
.card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* --- Inputs --- */
.input {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  font-size: 1rem;
  width: 100%;
  transition: var(--transition);
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

.input::placeholder {
  color: var(--text-muted);
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: rgba(124, 58, 237, 0.15);
  color: var(--primary-light);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}

.badge-info {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 0;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-logo span {
  color: var(--primary-light);
}

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

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* --- Orbit SVG Illustration --- */
.hero-illustration {
  width: 320px;
  height: 320px;
  margin: 0 auto 48px;
  position: relative;
}

.hero-illustration svg {
  width: 100%;
  height: 100%;
}

.orbit-node {
  animation: orbit 12s linear infinite;
  transform-origin: 160px 160px;
}

.orbit-node:nth-child(2) { animation-delay: -3s; }
.orbit-node:nth-child(3) { animation-delay: -6s; }
.orbit-node:nth-child(4) { animation-delay: -9s; }

.central-glow {
  animation: pulse 3s ease-in-out infinite;
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(110px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(110px) rotate(-360deg); }
}

/* --- Email Form --- */
.email-form {
  max-width: 520px;
  margin: 0 auto 24px;
}

.form-group {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.input-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper svg {
  position: absolute;
  left: 16px;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.input-wrapper .input {
  padding-left: 44px;
}

.input-wrapper .input.valid {
  border-color: var(--success);
}

.input-wrapper .input.invalid {
  border-color: var(--error);
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-error {
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 8px;
  display: none;
  text-align: left;
}

.form-error.visible {
  display: block;
}

.btn-loading {
  display: none;
}

.btn-loading svg {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

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

/* --- Success State --- */
.success-state {
  display: none;
  text-align: center;
  animation: fadeIn 0.5s ease;
}

.success-state.visible {
  display: block;
}

.success-state h2 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.success-state p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.referral-section {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 20px;
}

.referral-section h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.referral-link-row {
  display: flex;
  gap: 8px;
}

.referral-link-row .input {
  flex: 1;
  font-size: 0.875rem;
  padding: 10px 14px;
}

.copy-feedback {
  font-size: 0.8rem;
  color: var(--success);
  margin-top: 8px;
  display: none;
}

.copy-feedback.visible {
  display: block;
}

.share-buttons {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

/* --- Trust Row --- */
.trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 16px;
  flex-wrap: wrap;
}

.trust-row .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
}

.waitlist-counter {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 20px;
}

.waitlist-counter strong {
  color: var(--primary-light);
  font-weight: 600;
}

.scarcity-line {
  text-align: center;
  color: var(--warning);
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 12px;
}

/* --- Sections --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Feature Cards --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0), rgba(124, 58, 237, 0.3), rgba(6, 182, 212, 0));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(6, 182, 212, 0.1));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: var(--primary-light);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Social Proof --- */
.social-proof {
  text-align: center;
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.social-proof p {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 32px;
}

.platform-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.platform-icon {
  opacity: 0.4;
  transition: var(--transition);
  cursor: pointer;
}

.platform-icon:hover {
  opacity: 1;
}

.platform-icon svg {
  width: 40px;
  height: 40px;
}

.platform-icon:hover svg.yt { color: #FF0000; }
.platform-icon:hover svg.ig { color: #E4405F; }
.platform-icon:hover svg.tt { color: #00F2EA; }
.platform-icon:hover svg.wp { color: #21759B; }
.platform-icon:hover svg.li { color: #0A66C2; }

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.3;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  position: relative;
  z-index: 1;
}

.step h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

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

/* --- Roadmap Teaser --- */
.roadmap-teaser {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 48px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.roadmap-items {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}

.roadmap-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--surface-light);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.roadmap-item-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.roadmap-item h4 {
  font-size: 1rem;
  font-weight: 600;
}

.upvote-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 8px;
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.upvote-btn:hover {
  background: rgba(124, 58, 237, 0.2);
}

/* --- Secondary CTA --- */
.cta-section {
  text-align: center;
  padding: 100px 0;
}

.cta-section h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

/* --- Footer --- */
.footer {
  background: var(--surface);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 280px;
}

.footer-brand .nav-logo {
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--text);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- Particle Canvas --- */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* --- Confetti Canvas --- */
#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.05); }
}

@keyframes confetti {
  0%   { transform: translateY(0) rotateZ(0); opacity: 1; }
  100% { transform: translateY(100vh) rotateZ(720deg); opacity: 0; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.shake {
  animation: shake 0.5s ease;
}

/* --- Cookie Consent Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  padding: 20px;
  background: rgba(19, 19, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: none;
}

.cookie-banner.visible {
  display: block;
  animation: slideUp 0.4s ease;
}

.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner p {
  color: var(--text-muted);
  font-size: 0.9rem;
  flex: 1;
  min-width: 200px;
}

.cookie-banner p a {
  color: var(--primary-light);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 12px;
}

/* --- Legal Page Styles --- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 140px 24px 80px;
}

.legal-content h1 {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.legal-content .last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 48px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text);
}

.legal-content h3 {
  font-size: 1.2rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-content ul, .legal-content ol {
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content ul {
  list-style: disc;
}

.legal-content ol {
  list-style: decimal;
}

.legal-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.legal-content a {
  color: var(--primary-light);
  text-decoration: underline;
}

.legal-content strong {
  color: var(--text);
}

/* --- Roadmap Page --- */
.roadmap-page {
  padding: 140px 24px 80px;
  max-width: 900px;
  margin: 0 auto;
}

.roadmap-page h1 {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.roadmap-page > p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: var(--transition);
}

.filter-tab:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}

.filter-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.roadmap-list {
  display: grid;
  gap: 16px;
}

.roadmap-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  transition: var(--transition);
}

.roadmap-card:hover {
  border-color: rgba(124, 58, 237, 0.2);
}

.roadmap-card-info h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.roadmap-card-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.suggest-feature {
  margin-top: 32px;
  text-align: center;
}

/* --- Changelog Page --- */
.changelog-page {
  padding: 140px 24px 80px;
  max-width: 800px;
  margin: 0 auto;
}

.changelog-page h1 {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.changelog-page > p {
  color: var(--text-muted);
  margin-bottom: 48px;
}

.changelog-timeline {
  position: relative;
  padding-left: 32px;
}

.changelog-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.06);
}

.changelog-entry {
  position: relative;
  padding-bottom: 40px;
}

.changelog-entry::before {
  content: '';
  position: absolute;
  left: -37px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg);
}

.changelog-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.changelog-entry h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.changelog-entry p {
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Error Pages --- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.error-page p {
  color: var(--text-muted);
  font-size: 1.2rem;
  margin-bottom: 32px;
}

/* --- Upvote Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.visible {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 420px;
  width: 90%;
  animation: slideUp 0.3s ease;
}

.modal h3 {
  margin-bottom: 8px;
}

.modal p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.25rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .hero-illustration {
    width: 240px;
    height: 240px;
  }

  .form-group {
    flex-direction: column;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .steps-grid::before {
    display: none;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .roadmap-teaser {
    padding: 24px;
  }

  .cookie-banner-inner {
    flex-direction: column;
    text-align: center;
  }

  .trust-row {
    flex-direction: column;
    gap: 8px;
  }

  .trust-row .dot {
    display: none;
  }

  .platform-icons {
    gap: 32px;
  }

  .roadmap-card {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-illustration {
    width: 200px;
    height: 200px;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

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

  .error-code {
    font-size: 5rem;
  }

  .legal-content h1,
  .roadmap-page h1,
  .changelog-page h1 {
    font-size: 1.75rem;
  }
}