/* ============================================
   StopLight — Design System
   Premium dark-mode AI productivity aesthetic
   ============================================ */

/* Font loaded via <link> in HTML for faster performance */

/* ── CSS Custom Properties ── */
:root {
  /* Brand — Traffic Light Accents (from logo) */
  --red: #C23B22;
  --red-light: #E04A30;
  --red-glow: rgba(194, 59, 34, 0.3);
  --amber: #E6A817;
  --amber-light: #F0BD2F;
  --amber-glow: rgba(230, 168, 23, 0.3);
  --green: #2D8B46;
  --green-light: #3AA856;
  --green-glow: rgba(45, 139, 70, 0.3);

  /* Neutral Dark Palette */
  --bg-primary: #0A0A0F;
  --bg-secondary: #101018;
  --bg-tertiary: #16161F;
  --bg-card: #1A1A26;
  --bg-card-hover: #20202E;
  --bg-elevated: #1E1E2C;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);

  /* Text */
  --text-primary: #F0F0F5;
  --text-secondary: #A0A0B5;
  --text-tertiary: #8A8AA0;
  --text-on-accent: #FFFFFF;

  /* Typography Scale */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.25rem;
  --font-size-hero: 4rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-section: 7rem;

  /* Borders & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow-red: 0 0 30px var(--red-glow);
  --shadow-glow-amber: 0 0 30px var(--amber-glow);
  --shadow-glow-green: 0 0 30px var(--green-glow);
}

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

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

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

/* ── Skip to Content (a11y) ── */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber);
  color: #000;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-to-content:focus {
  top: var(--space-md);
}

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

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

ul, ol {
  list-style: none;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-hero);
  font-weight: 800;
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.highlight-red { color: var(--red-light); }
.highlight-amber { color: var(--amber); }
.highlight-green { color: var(--green-light); }

/* ── Container ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-narrow {
  max-width: 800px;
}

.container-wide {
  max-width: 1400px;
}

/* ── Section ── */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-header p {
  margin-top: var(--space-md);
  font-size: var(--font-size-md);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  background: rgba(230, 168, 23, 0.08);
  border: 1px solid rgba(230, 168, 23, 0.15);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: var(--transition-base);
  background: transparent;
}

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

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo img {
  height: 56px;
  width: auto;
}

.nav-logo span {
  font-weight: 700;
  font-size: var(--font-size-lg);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

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

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--amber);
  transition: var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: var(--space-lg);
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
  background: none;
  border: none;
}

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

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--red), var(--red-light));
  color: var(--text-on-accent);
  box-shadow: 0 4px 15px var(--red-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--red-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 20px;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-green {
  background: linear-gradient(135deg, var(--green), var(--green-light));
  color: var(--text-on-accent);
  box-shadow: 0 4px 15px var(--green-glow);
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--green-glow);
}

.btn-lg {
  padding: 18px 40px;
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 10px 20px;
  font-size: var(--font-size-xs);
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: var(--transition-base);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-glass {
  background: rgba(26, 26, 38, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-red {
  background: rgba(194, 59, 34, 0.12);
  color: var(--red-light);
  border: 1px solid rgba(194, 59, 34, 0.2);
}

.badge-amber {
  background: rgba(230, 168, 23, 0.12);
  color: var(--amber-light);
  border: 1px solid rgba(230, 168, 23, 0.2);
}

.badge-green {
  background: rgba(45, 139, 70, 0.12);
  color: var(--green-light);
  border: 1px solid rgba(45, 139, 70, 0.2);
}

/* ── Hero ── */
/* ── Hero Background Animations ── */
@keyframes ambientGlow1 {
  0% { transform: scale(1) translate(0, 0); opacity: 0.6; }
  50% { transform: scale(1.1) translate(3%, 4%); opacity: 1; }
  100% { transform: scale(1) translate(0, 0); opacity: 0.6; }
}

@keyframes ambientGlow2 {
  0% { transform: scale(1) translate(0, 0); opacity: 0.5; }
  50% { transform: scale(1.15) translate(-3%, -2%); opacity: 0.9; }
  100% { transform: scale(1) translate(0, 0); opacity: 0.5; }
}

/* ── Abstract Background (Grid + Glowing Orbs) ── */
.abstract-bg {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-body);
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  z-index: 0;
}

.abstract-bg::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 70%;
  height: 110%;
  background: radial-gradient(circle, rgba(147, 51, 234, 0.35) 0%, rgba(255, 87, 87, 0.15) 45%, transparent 70%); /* Purple -> Red */
  filter: blur(60px);
  pointer-events: none;
  z-index: -1;
  animation: ambientGlow1 12s ease-in-out infinite;
}

.abstract-bg::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, rgba(45, 139, 70, 0.15) 50%, transparent 70%); /* Blue -> Green */
  filter: blur(60px);
  pointer-events: none;
  z-index: -1;
  animation: ambientGlow2 15s ease-in-out infinite alternate-reverse;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 580px;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
}

.hero-content p {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-2xl);
  max-width: 480px;
}

.hero-cta-group {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border-subtle);
}

.hero-stat h3 {
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
}

.hero-stat p {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ── Inbox Mockup ── */
.inbox-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.inbox-mockup-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-tertiary);
}

.inbox-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.inbox-mockup-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-left: var(--space-sm);
  color: var(--text-secondary);
}

.inbox-emails {
  padding: var(--space-sm);
}

.email-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  cursor: default;
  opacity: 0;
  transform: translateX(20px);
  animation: slideInEmail 0.5s ease forwards;
}

.email-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.email-priority {
  width: 4px;
  height: 36px;
  border-radius: 2px;
  flex-shrink: 0;
}

.email-priority.red { background: var(--red); box-shadow: var(--shadow-glow-red); }
.email-priority.amber { background: var(--amber); box-shadow: var(--shadow-glow-amber); }
.email-priority.green { background: var(--green); box-shadow: var(--shadow-glow-green); }

.email-content {
  flex: 1;
  min-width: 0;
}

.email-sender {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.email-subject {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-badge {
  flex-shrink: 0;
}

@keyframes slideInEmail {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.email-row:nth-child(1) { animation-delay: 0.3s; }
.email-row:nth-child(2) { animation-delay: 0.5s; }
.email-row:nth-child(3) { animation-delay: 0.7s; }
.email-row:nth-child(4) { animation-delay: 0.9s; }
.email-row:nth-child(5) { animation-delay: 1.1s; }
.email-row:nth-child(6) { animation-delay: 1.3s; }

/* ── Grid Layouts ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* ── Steps / How It Works ── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  position: relative;
}

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

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

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: var(--font-size-xl);
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.step:nth-child(1) .step-number {
  background: rgba(194, 59, 34, 0.1);
  color: var(--red-light);
  border: 2px solid rgba(194, 59, 34, 0.3);
}

.step:nth-child(2) .step-number {
  background: rgba(230, 168, 23, 0.1);
  color: var(--amber-light);
  border: 2px solid rgba(230, 168, 23, 0.3);
}

.step:nth-child(3) .step-number {
  background: rgba(45, 139, 70, 0.1);
  color: var(--green-light);
  border: 2px solid rgba(45, 139, 70, 0.3);
}

.step h3 {
  margin-bottom: var(--space-sm);
}

.step p {
  font-size: var(--font-size-sm);
  max-width: 280px;
  margin: 0 auto;
}

/* ── Feature Cards ── */
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.feature-icon.red {
  background: rgba(194, 59, 34, 0.1);
  border: 1px solid rgba(194, 59, 34, 0.2);
}

.feature-icon.amber {
  background: rgba(230, 168, 23, 0.1);
  border: 1px solid rgba(230, 168, 23, 0.2);
}

.feature-icon.green {
  background: rgba(45, 139, 70, 0.1);
  border: 1px solid rgba(45, 139, 70, 0.2);
}

.card h3 {
  margin-bottom: var(--space-sm);
}

.card p {
  font-size: var(--font-size-sm);
}

/* ── Pricing ── */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.pricing-toggle span {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-tertiary);
  transition: var(--transition-fast);
}

.pricing-toggle span.active {
  color: var(--text-primary);
}

.toggle-switch {
  width: 52px;
  height: 28px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  transition: var(--transition-base);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--amber);
  transition: var(--transition-base);
}

.toggle-switch.annual::after {
  transform: translateX(24px);
}

.toggle-switch.annual {
  background: rgba(230, 168, 23, 0.15);
  border-color: rgba(230, 168, 23, 0.3);
}

.save-badge {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--green-light);
  background: rgba(45, 139, 70, 0.1);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(45, 139, 70, 0.2);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  transition: var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--amber);
  background: linear-gradient(180deg, rgba(230, 168, 23, 0.05) 0%, var(--bg-card) 30%);
  transform: scale(1.04);
}

.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--amber), var(--amber-light));
  color: #000;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.pricing-card .tagline {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-xl);
}

.price {
  margin-bottom: var(--space-xl);
}

.price .amount {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--text-primary);
}

.price .period {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

.pricing-features {
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '✓';
  color: var(--green-light);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-card .btn {
  width: 100%;
}

/* ── FAQ ── */
.faq-list {
  max-width: 740px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-size-md);
  color: var(--text-primary);
  transition: var(--transition-fast);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-family);
}

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

.faq-icon {
  font-size: var(--font-size-lg);
  transition: var(--transition-base);
  color: var(--text-tertiary);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--amber);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer-inner {
  padding-bottom: var(--space-lg);
}

.faq-answer p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* ── Form ── */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(230, 168, 23, 0.1);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B6B80' d='M1.41.59L6 5.17 10.59.59 12 2 6 8 0 2z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ── Social Proof / Testimonials ── */
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.testimonial-card p {
  font-size: var(--font-size-md);
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--amber));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: #fff;
}

.testimonial-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.testimonial-role {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* ── Stats Bar ── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  text-align: center;
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stat-item h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-xs);
}

.stat-item p {
  font-size: var(--font-size-sm);
}

/* ── Problem/Solution ── */
.problem-solution {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.problem-side,
.solution-side {
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
}

.problem-side {
  background: rgba(194, 59, 34, 0.05);
  border: 1px solid rgba(194, 59, 34, 0.15);
}

.solution-side {
  background: rgba(45, 139, 70, 0.05);
  border: 1px solid rgba(45, 139, 70, 0.15);
}

.vs-divider {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-tertiary);
  margin: 0 auto;
}

.problem-side h3 { color: var(--red-light); }
.solution-side h3 { color: var(--green-light); }

.problem-side li,
.solution-side li {
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.problem-side li::before {
  content: '✕';
  color: var(--red-light);
  font-weight: 700;
}

.solution-side li::before {
  content: '✓';
  color: var(--green-light);
  font-weight: 700;
}

/* ── Final CTA Banner ── */
.cta-banner {
  text-align: center;
  background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, var(--amber-glow) 0%, transparent 70%);
  opacity: 0.2;
  pointer-events: none;
}

.cta-banner h2 {
  margin-bottom: var(--space-md);
  position: relative;
}

.cta-banner p {
  margin-bottom: var(--space-2xl);
  font-size: var(--font-size-md);
  position: relative;
}

.cta-banner .btn {
  position: relative;
}

.spots-count {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--amber);
  margin-top: var(--space-lg);
  position: relative;
}

.spots-count .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

/* ── Footer ── */
.footer {
  padding: var(--space-4xl) 0 var(--space-2xl);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  max-width: 300px;
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  padding: var(--space-xs) 0;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.footer-logo {
  height: 52px;
  width: auto;
  margin-bottom: var(--space-sm);
}

/* ── Comparison Table ── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--font-size-sm);
}

.comparison-table th {
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.comparison-table th:first-child {
  border-radius: var(--radius-md) 0 0 0;
}

.comparison-table th:last-child {
  border-radius: 0 var(--radius-md) 0 0;
}

.comparison-table td {
  color: var(--text-secondary);
}

.comparison-table .check {
  color: var(--green-light);
  font-size: var(--font-size-lg);
}

.comparison-table .cross {
  color: var(--text-tertiary);
  font-size: var(--font-size-lg);
}

/* ── Gamification ── */
.xp-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--space-md) 0;
}

.xp-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--red), var(--amber), var(--green));
  transition: width 1.5s ease;
}

.level-badges {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.level-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  min-width: 120px;
  transition: var(--transition-base);
}

.level-badge:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.level-badge .icon {
  font-size: 1.5rem;
}

.level-badge .name {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

.level-badge .xp {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* ── Users Section ── */
.user-types {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.user-type-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.user-type-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.user-type-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.user-type-card h4 {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-base);
}

.user-type-card p {
  font-size: var(--font-size-xs);
}

/* ── Scroll Animation ── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── Feature Detail Sections (Features Page) ── */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.feature-detail.reverse {
  direction: rtl;
}

.feature-detail.reverse > * {
  direction: ltr;
}

.feature-visual {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  font-size: 4rem;
}

.feature-text h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

.feature-text p {
  margin-bottom: var(--space-lg);
}

.feature-bullets li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.feature-bullets li::before {
  content: '→';
  color: var(--amber);
  font-weight: 700;
}

/* ── Early Access Page ── */
.ea-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) var(--space-xl);
  position: relative;
}

.ea-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 20%, var(--red-glow) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, var(--green-glow) 0%, transparent 50%);
  opacity: 0.15;
  pointer-events: none;
}

.ea-container {
  width: 100%;
  max-width: 520px;
  position: relative;
  z-index: 1;
}

.ea-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.ea-header h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.ea-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.ea-social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.ea-social-proof .count {
  color: var(--amber);
  font-weight: 700;
}

.ea-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  text-align: center;
}

.ea-step {
  padding: var(--space-lg);
}

.ea-step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--amber);
}

.ea-step p {
  font-size: var(--font-size-xs);
}

/* ── Success Message ── */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-2xl);
}

.form-success.show {
  display: block;
}

.form-success .icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.form-success h3 {
  color: var(--green-light);
  margin-bottom: var(--space-sm);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  :root {
    --font-size-hero: 3rem;
    --font-size-3xl: 2rem;
    --space-section: 5rem;
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-content {
    text-align: center;
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-content p {
    max-width: 100%;
    margin: 0 auto var(--space-2xl);
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .inbox-mockup {
    max-width: 500px;
    margin: 0 auto;
  }

  .grid-3,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps::before {
    display: none;
  }

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

  .pricing-card.featured {
    transform: scale(1);
  }

  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .feature-detail,
  .feature-detail.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .problem-solution {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .vs-divider {
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  :root {
    --font-size-hero: 2.25rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --space-section: 4rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.97);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2xl);
    z-index: 999;
  }

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

  .nav-links a {
    font-size: var(--font-size-xl);
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-cta {
    display: none;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .steps,
  .pricing-cards {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .user-types {
    grid-template-columns: 1fr;
  }

  .ea-steps {
    grid-template-columns: 1fr;
  }

  .level-badges {
    justify-content: center;
  }

  .level-badge {
    min-width: 100px;
  }
}

@media (max-width: 375px) {
  :root {
    --font-size-hero: 1.875rem;
    --space-section: 3rem;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: var(--font-size-sm);
  }
}

/* ── Legal Pages ── */
.legal-content h2 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

.legal-content h2:first-child {
  border-top: none;
  padding-top: 0;
}

.legal-content h3 {
  font-size: var(--font-size-lg);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.legal-content p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.legal-content ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.legal-content ul li {
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
  line-height: 1.7;
}