/* 
   pdfed Landing Page - YC-Level Premium Design
   Theme: Dark, Modern, Vibrant Gradients
*/

/* =========================================
   CSS VARIABLES & DESIGN TOKENS
   ========================================= */
:root {
  /* Colors - Dark Theme */
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-tertiary: #18181b;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);

  /* Accent Colors - Coral/Orange (PDF brand) */
  --accent-primary: #ff5a36;
  --accent-secondary: #ff8a65;
  --accent-tertiary: #ffd54f;

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-tertiary: rgba(255, 255, 255, 0.4);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #ff5a36 0%, #ff8a65 50%, #ffd54f 100%);
  --gradient-text: linear-gradient(90deg, #ff5a36, #ff8a65, #ffd54f);
  --gradient-glow: radial-gradient(ellipse at center, rgba(255, 90, 54, 0.15) 0%, transparent 70%);
  --gradient-card-border: linear-gradient(135deg, rgba(255, 90, 54, 0.3), rgba(255, 138, 101, 0.1), transparent);

  /* Glass Effect */
  --glass-bg: rgba(17, 17, 19, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(255, 90, 54, 0.3);

  /* Typography */
  --font-display: 'Outfit', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Spacing */
  --section-padding: 120px;
  --container-max: 1200px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================
   RESET & BASE STYLES
   ========================================= */
*,
*::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-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* =========================================
   UTILITIES
   ========================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

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

/* Glass Card */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

/* Gradient Border Card */
.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: 20px;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-card-border);
  -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;
  pointer-events: none;
}

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse-glow {

  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s var(--transition-base) forwards;
  opacity: 0;
}

.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}

.delay-4 {
  animation-delay: 0.4s;
}

.delay-5 {
  animation-delay: 0.5s;
}

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: transparent;
  transition: var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 11, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  padding: 6px;
  border-radius: 99px;
  border: 1px solid var(--border-subtle);
}

.nav-links a {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 99px;
  transition: var(--transition-fast);
}

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

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 12px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
  border-radius: 10px;
}

.btn-md {
  padding: 12px 24px;
  font-size: 15px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-primary {
  background: var(--gradient-primary);
  background-size: 200% 200%;
  color: #000;
  box-shadow: 0 4px 24px rgba(255, 90, 54, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 90, 54, 0.5);
  animation: gradient-shift 3s ease infinite;
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.btn-firefox {
  background: linear-gradient(135deg, #ff9500 0%, #ff5f15 100%);
  color: #fff;
  box-shadow: 0 4px 24px rgba(255, 149, 0, 0.3);
}

.btn-firefox:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 149, 0, 0.4);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 140px;
  padding-bottom: 80px;
  overflow: hidden;
}

/* Mesh Gradient Background */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 90, 54, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(255, 138, 101, 0.1) 0%, transparent 40%),
    radial-gradient(ellipse 50% 30% at 20% 80%, rgba(255, 213, 79, 0.08) 0%, transparent 40%);
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite;
}

.hero-container {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Badge/Pill */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

.hero-badge .badge-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

/* Hero Title */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 84px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 900px;
}

.hero-title .highlight {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
}

/* Hero Subtitle */
.hero-subtitle {
  font-size: clamp(18px, 2.5vw, 22px);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 40px;
}

/* CTA Buttons */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

/* Social Proof Stats */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  padding: 24px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  margin-bottom: 64px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.stat-item .stat-icon {
  font-size: 18px;
}

.stat-item .stat-value {
  font-weight: 700;
  color: var(--text-primary);
}

/* Hero image */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin-top: 40px;
}

.hero-image-wrap {
  position: relative;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.hero-image {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

/* Floating Feature Cards */
.float-card {
  position: absolute;
  padding: 14px 18px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
  z-index: 10;
  animation: float 4s ease-in-out infinite;
}

.float-card:hover {
  transform: translateY(-5px) scale(1.02);
}

.card-1 {
  top: 15%;
  right: 16px;
  animation-delay: 0s;
}

.card-2 {
  bottom: 20%;
  left: -30px;
  animation-delay: 1s;
}

.card-3 {
  top: 45%;
  right: -20px;
  animation-delay: 0.5s;
}

.card-4 {
  bottom: 45%;
  left: -25px;
  animation-delay: 1.5s;
}

.card-5 {
  top: 8%;
  left: calc(50% - 90px);
  animation-delay: 0.3s;
}

.card-6 {
  bottom: 12%;
  right: 15%;
  animation-delay: 2s;
}

.icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.icon-box.blue {
  background: linear-gradient(135deg, #007AFF, #00C6FF);
}

.icon-box.red {
  background: var(--gradient-primary);
}

.icon-box.green {
  background: linear-gradient(135deg, #34C759, #30D158);
}

.icon-box.purple {
  background: linear-gradient(135deg, #AF52DE, #BF5AF2);
}

.icon-box.orange {
  background: linear-gradient(135deg, #FF9500, #FF6B00);
}

.float-text {
  display: flex;
  flex-direction: column;
}

.float-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.float-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

/* =========================================
   METRICS SECTION
   ========================================= */
.metrics-section {
  padding: 80px 0;
  position: relative;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.metric-item {
  text-align: center;
  padding: 24px;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* =========================================
   FEATURES SECTION - BENTO GRID
   ========================================= */
.features {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 24px;
}

.feature-card {
  position: relative;
  padding: 32px;
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-base);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(255, 90, 54, 0.2), transparent);
  -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-base);
}

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

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

/* Featured Cards (larger) */
.feature-card.featured {
  grid-column: span 2;
  padding: 40px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: white;
  font-size: 24px;
}

.feature-icon.icon-edit {
  background: linear-gradient(135deg, #007AFF, #00C6FF);
}

.feature-icon.icon-redact {
  background: linear-gradient(135deg, #AF52DE, #BF5AF2);
}

.feature-icon.icon-pages {
  background: linear-gradient(135deg, #34C759, #30D158);
}

.feature-icon.icon-sign {
  background: linear-gradient(135deg, #FF9500, #FF6B00);
}

.feature-icon.icon-security {
  background: var(--gradient-primary);
}

.feature-icon.icon-watermark {
  background: linear-gradient(135deg, #5856D6, #007AFF);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =========================================
   HOW IT WORKS
   ========================================= */
.steps {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.steps-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

/* Connection Line */
.steps-container::before {
  content: '';
  position: absolute;
  top: 45px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
  opacity: 0.3;
}

.step-item {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  background: var(--bg-card);
  border: 2px solid var(--border-medium);
  border-radius: 20px;
  color: var(--accent-primary);
}

.step-item h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-item p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 220px;
  margin: 0 auto;
}

/* =========================================
   TESTIMONIALS
   ========================================= */
.testimonials {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-base);
}

.testimonial-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
}

.stars {
  color: #FFD700;
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.review-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 24px;
  flex: 1;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 14px;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: white;
}

.avatar.blue {
  background: linear-gradient(135deg, #007AFF, #00C6FF);
}

.avatar.green {
  background: linear-gradient(135deg, #34C759, #30D158);
}

.avatar.purple {
  background: linear-gradient(135deg, #AF52DE, #BF5AF2);
}

.reviewer-info {
  display: flex;
  flex-direction: column;
}

.reviewer-info .name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
}

.reviewer-info .role {
  font-size: 13px;
  color: var(--text-secondary);
}

/* =========================================
   FAQ SECTION
   ========================================= */
.faq-section {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-question {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
  color: var(--text-primary);
}

.faq-question:hover {
  background: var(--bg-card-hover);
}

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

.faq-item.active .chevron {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

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

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 24px 24px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(255, 90, 54, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.cta-card {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 80px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.cta-card h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.cta-card p {
  font-size: 18px;
  margin-bottom: 32px;
  color: var(--text-secondary);
}

.cta-sub {
  font-size: 14px;
  margin-top: 16px;
  color: var(--text-tertiary);
}

/* =========================================
   FOOTER
   ========================================= */
footer {
  background: var(--bg-primary);
  padding: 80px 0 32px;
  border-top: 1px solid var(--border-subtle);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  margin-bottom: 60px;
}

.footer-col {
  max-width: 300px;
}

.footer-col .logo {
  margin-bottom: 16px;
}

.footer-col>p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.footer-links {
  display: flex;
  gap: 80px;
}

.link-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.link-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

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

.link-col a:hover {
  color: var(--accent-primary);
}

.copyright {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-tertiary);
}

/* =========================================
   MOBILE OVERLAY MENU
   ========================================= */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 11, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-overlay .mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-bottom: 48px;
}

.mobile-menu-overlay .mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.mobile-menu-overlay.active .mobile-nav-links a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu-overlay.active .mobile-nav-links a:nth-child(1) {
  transition-delay: 0.1s;
}

.mobile-menu-overlay.active .mobile-nav-links a:nth-child(2) {
  transition-delay: 0.15s;
}

.mobile-menu-overlay.active .mobile-nav-links a:nth-child(3) {
  transition-delay: 0.2s;
}

.mobile-menu-overlay .mobile-nav-links a:hover {
  color: var(--accent-primary);
}

.mobile-menu-overlay .mobile-cta {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease 0.25s;
}

.mobile-menu-overlay.active .mobile-cta {
  opacity: 1;
  transform: translateY(0);
}

.mobile-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.mobile-close-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
}

.mobile-close-btn svg {
  width: 24px;
  height: 24px;
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card.featured {
    grid-column: span 2;
  }

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

  .hero-title {
    font-size: clamp(40px, 6vw, 64px);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px;
  }

  /* Navbar */
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .navbar .btn-primary {
    display: none;
  }

  /* Hero */
  .hero {
    padding-top: 100px;
    padding-bottom: 60px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 6px 12px;
  }

  .hero-title {
    font-size: 36px;
    line-height: 1.1;
    margin-bottom: 20px;
  }

  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 32px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    padding: 0 20px;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
    font-size: 15px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
    margin-bottom: 40px;
    border-radius: 12px;
  }

  .stat-item {
    font-size: 13px;
  }

  .float-card {
    display: none;
  }

  .hero-visual {
    margin-top: 24px;
  }

  .hero-image-wrap {
    border-radius: 12px;
  }

  /* Metrics */
  .metrics-section {
    padding: 48px 0;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .metric-item {
    padding: 16px;
  }

  .metric-value {
    font-size: 32px;
  }

  .metric-label {
    font-size: 13px;
  }

  /* Sections */
  .section-header {
    margin-bottom: 40px;
    padding: 0 8px;
  }

  .section-label {
    font-size: 11px;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 28px;
    margin-bottom: 12px;
  }

  .section-subtitle {
    font-size: 15px;
  }

  /* Features */
  .features {
    padding: 60px 0;
  }

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

  .feature-card,
  .feature-card.featured {
    grid-column: span 1;
    padding: 24px;
    border-radius: 16px;
  }

  .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin-bottom: 16px;
  }

  .feature-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
  }

  .feature-card p {
    font-size: 14px;
    line-height: 1.5;
  }

  /* Steps */
  .steps {
    padding: 60px 0;
  }

  .steps-container {
    flex-direction: column;
    gap: 32px;
  }

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

  .step-number {
    width: 56px;
    height: 56px;
    font-size: 22px;
    margin-bottom: 16px;
  }

  .step-item h3 {
    font-size: 18px;
  }

  .step-item p {
    font-size: 14px;
    max-width: 280px;
  }

  /* Testimonials */
  .testimonials {
    padding: 60px 0;
  }

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

  .testimonial-card {
    padding: 24px;
    border-radius: 16px;
  }

  .review-text {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .reviewer-info .name {
    font-size: 14px;
  }

  /* FAQ */
  .faq-section {
    padding: 60px 0;
  }

  .faq-item {
    border-radius: 12px;
  }

  .faq-question {
    padding: 18px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 16px;
  }

  .faq-item.active .faq-answer {
    padding: 0 16px 18px;
  }

  .faq-answer p {
    font-size: 14px;
  }

  /* CTA */
  .cta-section {
    padding: 60px 0;
  }

  .cta-card {
    padding: 40px 20px;
    border-radius: 20px;
  }

  .cta-card h2 {
    font-size: 26px;
    margin-bottom: 12px;
  }

  .cta-card p {
    font-size: 15px;
    margin-bottom: 24px;
  }

  .cta-card .btn {
    width: 100%;
    max-width: 280px;
  }

  .cta-sub {
    font-size: 12px;
    margin-top: 12px;
  }

  /* Footer */
  footer {
    padding: 48px 0 24px;
  }

  .footer-container {
    flex-direction: column;
    gap: 40px;
    margin-bottom: 40px;
  }

  .footer-col {
    max-width: 100%;
    text-align: center;
  }

  .footer-col .logo {
    justify-content: center;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-links {
    width: 100%;
    justify-content: space-between;
    gap: 24px;
  }

  .link-col {
    text-align: left;
  }

  .link-col h4 {
    font-size: 12px;
    margin-bottom: 8px;
  }

  .link-col a {
    font-size: 13px;
  }

  .copyright {
    font-size: 12px;
    padding-top: 24px;
  }
}

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

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

  .hero-subtitle {
    font-size: 15px;
  }

  .section-title {
    font-size: 24px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .metric-value {
    font-size: 28px;
  }

  .metric-label {
    font-size: 12px;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 32px;
  }

  .link-col {
    text-align: center;
  }
}

/* =========================================
   PAGE-SPECIFIC STYLES (Secondary Pages)
   ========================================= */
.page-header {
  padding-top: 140px;
  padding-bottom: 60px;
  text-align: center;
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center top, rgba(255, 90, 54, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Content Section for Privacy/Changelog */
.content-section {
  max-width: 800px;
  margin: 0 auto 100px;
  background: var(--bg-card);
  border-radius: 24px;
  padding: 48px;
  border: 1px solid var(--border-subtle);
}

.policy-block {
  margin-bottom: 40px;
}

.policy-block:last-child {
  margin-bottom: 0;
}

.policy-block h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.policy-block p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.policy-block ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.policy-block li {
  margin-bottom: 10px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.policy-block a {
  color: var(--accent-primary);
  font-weight: 500;
}

.policy-block a:hover {
  text-decoration: underline;
}

/* Support Page */
.support-grid {
  max-width: 1000px;
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.support-card {
  background: var(--bg-card);
  border-radius: 24px;
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-base);
}

.support-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
}

.icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--accent-primary);
}

.support-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.support-card p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.contact-form-section {
  max-width: 600px;
  margin: 0 auto 100px;
  background: var(--bg-card);
  border-radius: 24px;
  padding: 48px;
  border: 1px solid var(--border-subtle);
}

.contact-form-section h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 32px;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border-medium);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 15px;
  transition: var(--transition-fast);
}

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

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(255, 90, 54, 0.15);
}

.form-textarea {
  height: 140px;
  resize: vertical;
}

/* Changelog Page */
.version-block {
  background: var(--bg-card);
  border-radius: 24px;
  padding: 40px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}

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

.version-number {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 14px;
}

.version-tag {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 99px;
  background: rgba(255, 90, 54, 0.15);
  color: var(--accent-primary);
  font-weight: 600;
}

.version-date {
  color: var(--text-secondary);
  font-size: 14px;
}

.change-group {
  margin-bottom: 28px;
}

.change-group:last-child {
  margin-bottom: 0;
}

.change-type {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  display: inline-block;
  padding: 5px 10px;
  border-radius: 6px;
}

.type-added {
  background: rgba(52, 199, 89, 0.15);
  color: #34C759;
}

.type-fixed {
  background: rgba(255, 149, 0, 0.15);
  color: #FF9500;
}

.type-improved {
  background: rgba(0, 122, 255, 0.15);
  color: #007AFF;
}

.change-list {
  list-style: none;
  padding: 0;
}

.change-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.change-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

.latest-badge {
  position: absolute;
  top: 24px;
  right: -32px;
  background: var(--gradient-primary);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 40px;
  transform: rotate(45deg);
}