@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg-color: #060608;
  --bg-surface: rgba(18, 18, 24, 0.65);
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-bg-hover: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.12);
  --card-border-hover: rgba(250, 204, 21, 0.5);
  
  --text-main: #ffffff;
  --text-dim: #a1a1aa;
  --text-muted: #71717a;
  
  /* DSA Forge Accent Palette */
  --accent-gold: #facc15;
  --accent-gold-hover: #eab308;
  --accent-gold-glow: rgba(250, 204, 21, 0.35);
  
  --accent-emerald: #10b981;
  --accent-amber: #d97706;
  --accent-purple: #a855f7;
  --accent-rose: #f43f5e;

  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 9999px;
  
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Glassmorphism Presets */
  --glass-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.2), 0 16px 40px rgba(0, 0, 0, 0.6);
  --glass-shadow-hover: inset 0 1px 1px 0 rgba(255, 255, 255, 0.35);
  --glass-blur: blur(24px) saturate(190%);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--text-main);
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-main);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(250, 204, 21, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 80% 30%, rgba(244, 63, 94, 0.1) 0%, transparent 40%);
}

/* Ambient Glowing Light Wave System */
.ambient-wave-top {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1400px;
  height: 450px;
  background: linear-gradient(90deg, 
    rgba(16, 185, 129, 0.35) 0%, 
    rgba(250, 204, 21, 0.4) 48%, 
    rgba(244, 63, 94, 0.32) 100%);
  filter: blur(95px);
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  opacity: 0.8;
}

.ambient-wave-mid {
  position: absolute;
  top: 850px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1300px;
  height: 380px;
  background: linear-gradient(90deg, 
    rgba(217, 119, 6, 0.28) 0%, 
    rgba(16, 185, 129, 0.35) 45%, 
    rgba(168, 85, 247, 0.28) 100%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.75;
}

.ambient-wave-footer {
  width: 100%;
  height: 160px;
  background: linear-gradient(90deg, 
    rgba(16, 185, 129, 0.45) 0%, 
    rgba(250, 204, 21, 0.5) 45%, 
    rgba(244, 63, 94, 0.4) 100%);
  filter: blur(65px);
  pointer-events: none;
  margin-bottom: -80px;
  position: relative;
  z-index: 1;
}

/* Header & Navigation (Ultra Glass) */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 6, 8, 0.65);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.05), 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #ffffff;
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.brand-link:hover .brand-logo {
  transform: scale(1.1) rotate(-5deg);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-dot {
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #ffffff;
}

.nav-links a.active {
  color: var(--accent-gold);
  font-weight: 600;
  text-shadow: 0 0 12px rgba(250, 204, 21, 0.4);
}

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

.nav-btn-login {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-btn-login:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.12);
}

.nav-btn-signup {
  background: var(--accent-gold);
  border: none;
  color: #000000;
  padding: 9px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 0 20px rgba(250, 204, 21, 0.4);
}

.nav-btn-signup:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(250, 204, 21, 0.6);
}

/* Hero Section */
main {
  position: relative;
  z-index: 2;
}

.hero-section {
  max-width: 1080px;
  margin: 0 auto;
  min-height: calc(100vh - 75px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.25), 0 8px 24px rgba(0, 0, 0, 0.3);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 5px 16px 5px 5px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  color: #e4e4e7;
  margin-bottom: 24px;
  max-width: 100%;
}

.hero-badge .badge-tag {
  background: #ffffff;
  color: #000000;
  font-weight: 800;
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-right: 8px;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.highlight-underline {
  position: relative;
  color: #ffffff;
  display: inline-block;
}

.highlight-underline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 3px;
  width: 100%;
  height: 4px;
  background: var(--accent-gold);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(250, 204, 21, 0.8);
}

.hero-subtitle {
  font-size: 0.98rem;
  color: var(--text-dim);
  max-width: 700px;
  margin: 0 auto 32px auto;
  line-height: 1.65;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 12px;
}

.btn-primary-pill {
  background: #ffffff;
  color: #000000;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 4px 24px rgba(255, 255, 255, 0.25), inset 0 1px 1px #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary-pill:hover {
  transform: translateY(-2px);
  background: #f4f4f5;
  box-shadow: none;
}

.btn-secondary-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 8px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-secondary-pill:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

/* Featured Section (Ultra Glassy Cards) */
.featured-section {
  max-width: 1000px;
  margin: 0 auto 70px auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 24px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.featured-card {
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.featured-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow-hover);
}

.featured-card.green {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.16) 0%, rgba(16, 185, 129, 0.04) 100%);
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.featured-card.green:hover {
  border-color: rgba(16, 185, 129, 0.7);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.featured-card.gold {
  background: linear-gradient(135deg, rgba(250, 204, 21, 0.16) 0%, rgba(217, 119, 6, 0.04) 100%);
  border: 1px solid rgba(250, 204, 21, 0.35);
}
.featured-card.gold:hover {
  border-color: rgba(250, 204, 21, 0.7);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.featured-card.purple {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.16) 0%, rgba(168, 85, 247, 0.04) 100%);
  border: 1px solid rgba(168, 85, 247, 0.35);
}
.featured-card.purple:hover {
  border-color: rgba(168, 85, 247, 0.7);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.featured-card.rose {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.16) 0%, rgba(244, 63, 94, 0.04) 100%);
  border: 1px solid rgba(244, 63, 94, 0.35);
}
.featured-card.rose:hover {
  border-color: rgba(244, 63, 94, 0.7);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.featured-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.2));
}

.featured-card-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

/* Stat Numbers Row (Glassmorphic) */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: all 0.3s ease;
  position: relative;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.stat-card:hover {
  border-color: rgba(250, 204, 21, 0.45);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-2px);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.1rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1.1;
  margin-bottom: 8px;
  display: block;
  text-shadow: 0 0 20px rgba(250, 204, 21, 0.4);
}

.stat-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: #d4d4d8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
}

/* Master Class Banner Container (Ultra High Glass) */
.banner-container-box {
  max-width: 960px;
  margin: 90px auto;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-xl);
  padding: 50px 40px;
  text-align: center;
  position: relative;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.25), 0 30px 80px rgba(0, 0, 0, 0.7);
}

.banner-container-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

.banner-badge-row {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2);
  padding: 5px 16px 5px 6px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  color: #e4e4e7;
  margin-bottom: 26px;
}

.banner-badge-row .badge-tag {
  background: #ffffff;
  color: #000000;
  font-weight: 800;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-right: 10px;
  text-transform: uppercase;
}

.banner-title {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.banner-subtitle {
  font-size: 1.08rem;
  color: var(--text-dim);
  margin-bottom: 34px;
}

.banner-subtitle span {
  color: var(--accent-gold);
  font-weight: 700;
  text-shadow: 0 0 12px rgba(250, 204, 21, 0.4);
}

.banner-inner-stats {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 24px;
  margin-bottom: 36px;
  backdrop-filter: blur(16px);
}

.inner-stat-item {
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.inner-stat-item:last-child {
  border-right: none;
}

.inner-stat-val {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 4px;
  display: block;
}

.inner-stat-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.banner-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 40px;
  max-width: 680px;
  margin: 0 auto 38px auto;
  text-align: left;
}

.banner-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.94rem;
  color: #f4f4f5;
  font-weight: 500;
}

.banner-feature-item svg {
  color: var(--accent-gold);
  flex-shrink: 0;
  filter: drop-shadow(0 0 6px rgba(250, 204, 21, 0.5));
}

.banner-cta-btn {
  background: #ffffff;
  color: #000000;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 38px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 24px rgba(255, 255, 255, 0.25), inset 0 1px 1px #ffffff;
}

.banner-cta-btn:hover {
  background: #f4f4f5;
  transform: translateY(-2px);
  box-shadow: none;
}

/* Interactive Start Page & VPN Mockup Styling */
.section-title-box {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px auto;
}

.section-title-box h2 {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.section-title-box p {
  color: var(--text-dim);
  font-size: 1.02rem;
}

.mockup-container {
  max-width: 1000px;
  margin: 0 auto 90px auto;
  background: rgba(15, 15, 20, 0.7);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 30px 80px rgba(0, 0, 0, 0.8);
}

.tab-label-short, .vpn-text-short, .engine-name-short {
  display: none;
}

.mockup-topbar {
  background: rgba(20, 20, 26, 0.8);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mockup-controls {
  display: flex;
  gap: 8px;
}

.mockup-control-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.mockup-control-dot.red { background: #ef4444; }
.mockup-control-dot.yellow { background: #f59e0b; }
.mockup-control-dot.green { background: #10b981; }

.mockup-tab-strip {
  display: flex;
  gap: 6px;
}

.mockup-tab-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s ease;
}

.mockup-tab-item.active, .mockup-tab-item:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.mockup-tab-icon {
  width: 14px;
  height: 14px;
}

.mockup-toolbar {
  background: rgba(24, 24, 32, 0.8);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mockup-nav-btns {
  display: flex;
  gap: 8px;
  color: var(--text-dim);
}

.mockup-nav-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.mockup-nav-btn:hover { background: rgba(255, 255, 255, 0.1); color: #ffffff; }

.mockup-omnibox {
  flex: 1;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #d4d4d8;
}

.mockup-vpn-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
}

.mockup-vpn-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.mockup-body-preview {
  padding: 50px 30px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.tab-content-panel {
  display: none;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.tab-content-panel.active {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.preview-logo {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 20px rgba(250, 204, 21, 0.4));
}

.mockup-search-box {
  width: 100%;
  max-width: 520px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 8px 24px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 20px 0;
  position: relative;
}

.mockup-engine-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.1);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.84rem;
  color: #ffffff;
  cursor: pointer;
  user-select: none;
}

.mockup-engine-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 6px;
  background: #181820;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  width: 200px;
  display: none;
  flex-direction: column;
  z-index: 10;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.mockup-engine-dropdown.show { display: flex; }

.engine-option {
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--text-dim);
  cursor: pointer;
  text-align: left;
}
.engine-option:hover { background: rgba(255, 255, 255, 0.1); color: #ffffff; }

.mockup-search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  font-size: 0.9rem;
}

.mockup-speed-dial {
  display: flex;
  gap: 14px;
}

.speed-dial-tile {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.15);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #ffffff;
  cursor: pointer;
}
.speed-dial-tile:hover { background: rgba(255, 255, 255, 0.12); }

/* VPN Showcase Grid (Glass Cards) */
.vpn-showcase-box {
  max-width: 1000px;
  margin: 0 auto 90px auto;
  background: rgba(15, 15, 20, 0.65);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 20px 60px rgba(0, 0, 0, 0.6);
}

.vpn-showcase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.vpn-showcase-header h3 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 700;
  color: #ffffff;
}

.vpn-status-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: #10b981;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

.vpn-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.vpn-card-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s ease;
}

.vpn-card-item:hover, .vpn-card-item.active {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(250, 204, 21, 0.5);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.3), 0 8px 24px rgba(0, 0, 0, 0.4);
}

.vpn-country-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.vpn-flag { font-size: 1.4rem; }
.vpn-country-name { font-weight: 600; font-size: 0.92rem; color: #ffffff; }
.vpn-ping { font-size: 0.78rem; color: var(--text-dim); }

.vpn-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
}

.vpn-card-item.active .vpn-badge {
  background: var(--accent-gold);
  color: #000000;
  box-shadow: 0 0 12px rgba(250, 204, 21, 0.5);
}

/* Technical Architecture Box (Glass) */
.architecture-box {
  max-width: 1000px;
  margin: 0 auto 90px auto;
  background: rgba(15, 15, 20, 0.65);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 20px 60px rgba(0, 0, 0, 0.6);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.spec-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.spec-card .label { font-size: 0.78rem; color: var(--text-dim); }
.spec-card .val { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700; color: #ffffff; }

/* Trusted Educational / Tech Stack Banner (Image 4 style Glass) */
.trusted-container-box {
  max-width: 1000px;
  margin: 0 auto 90px auto;
  background: rgba(15, 15, 20, 0.65);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  padding: 44px 32px;
  text-align: center;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 20px 60px rgba(0, 0, 0, 0.6);
}

.trusted-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #d4d4d8;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.trusted-logos-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px 32px;
}

.tech-badge-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.18);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Downloads Matrix Section (Glass Cards) */
.downloads-section {
  max-width: 1280px;
  margin: 0 auto 100px auto;
  padding: 0 24px;
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.platform-card.highlight, .platform-card:hover {
  border-color: rgba(250, 204, 21, 0.5);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-4px);
}

.platform-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  color: var(--accent-gold);
  filter: drop-shadow(0 0 10px rgba(250, 204, 21, 0.5));
}

.platform-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.platform-subtitle {
  font-size: 0.84rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.download-link-btn {
  background: #ffffff;
  color: #000000;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  width: 100%;
  margin-bottom: 12px;
  transition: all 0.2s ease;
}

.download-link-btn:hover {
  background: #f4f4f5;
  transform: translateY(-1px);
  box-shadow: none;
}

.download-link-secondary {
  color: var(--text-dim);
  font-size: 0.8rem;
  text-decoration: none;
}
.download-link-secondary:hover { color: var(--accent-gold); }

/* Footer Section (Image 5 style Glass) */
footer {
  position: relative;
  background: rgba(6, 6, 8, 0.8);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 60px 24px 30px 24px;
  z-index: 2;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col-brand h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-col-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 380px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 8px;
}

.footer-contact-item svg {
  color: var(--accent-gold);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-bottom-bar {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-cta-pill {
  background: rgba(250, 204, 21, 0.12);
  border: 1px solid rgba(250, 204, 21, 0.4);
  box-shadow: 0 0 16px rgba(250, 204, 21, 0.2);
  color: var(--accent-gold);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.footer-cta-pill:hover {
  background: rgba(250, 204, 21, 0.22);
  border-color: var(--accent-gold);
  box-shadow: none;
}

/* Mobile & Responsive Scaling */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .banner-title, .section-title-box h2 {
    font-size: 1.9rem;
  }
}

@media (max-width: 900px) {
  .hero-section {
    min-height: auto;
    padding: 50px 20px 36px 20px;
  }
  .hero-title {
    font-size: 2.1rem;
    line-height: 1.22;
  }
  .hero-subtitle {
    font-size: 0.94rem;
  }
  .featured-grid, .platforms-grid, .specs-grid, .vpn-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
  .banner-features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .banner-features-grid {
    grid-template-columns: 1fr;
  }
  .banner-inner-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .inner-stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 12px;
  }
  .inner-stat-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

@media (max-width: 600px) {
  .hero-section {
    padding: 295px 20px 60px 20px;
  }
  .hero-badge {
    font-size: 0.76rem;
    padding: 6px 14px 6px 6px;
    margin-bottom: 28px;
    max-width: 100%;
    line-height: 1.35;
    text-align: center;
  }
  .hero-badge .badge-tag {
    font-size: 0.64rem;
    padding: 3px 8px;
    margin-right: 8px;
  }
  .hero-title {
    font-size: 1.65rem;
    line-height: 1.25;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
  }
  .highlight-underline::after {
    height: 3px;
    bottom: 1px;
  }
  .hero-subtitle {
    font-size: 0.88rem;
    line-height: 1.65;
    margin-bottom: 32px;
    max-width: 330px;
  }
  .hero-buttons {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 330px;
    margin: 0 auto 20px auto;
    gap: 14px;
  }
  .btn-primary-pill, .btn-secondary-pill {
    flex: 1;
    min-width: 0;
    width: auto;
    height: 48px;
    justify-content: center;
    padding: 12px 10px;
    font-size: 0.84rem;
    border-radius: var(--radius-md);
    text-align: center;
    white-space: nowrap;
  }
  .btn-primary-pill svg {
    width: 16px;
    height: 16px;
  }
  .section-title-box {
    margin-bottom: 32px;
  }
  .section-title-box h2 {
    font-size: 1.45rem;
    margin-bottom: 10px;
  }
  .section-title-box p {
    font-size: 0.86rem;
  }
  .section-label {
    font-size: 1.25rem;
    margin-bottom: 24px;
  }
  .featured-section {
    margin-top: 20px;
    margin-bottom: 80px;
    padding: 0 20px;
  }
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 32px;
  }
  .featured-card {
    padding: 20px 14px;
    gap: 12px;
    border-radius: var(--radius-md);
  }
  .featured-icon {
    width: 36px;
    height: 36px;
  }
  .featured-card-title {
    font-size: 0.85rem;
  }
  .platforms-grid {
    grid-template-columns: 1fr;
    max-width: 330px;
    margin: 0 auto;
    gap: 16px;
  }
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .spec-card {
    padding: 14px 12px;
    border-radius: var(--radius-md);
  }
  .spec-card .label {
    font-size: 0.72rem;
  }
  .spec-card .val {
    font-size: 0.88rem;
  }
  .vpn-cards-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .stat-card {
    padding: 22px 16px;
  }
  .stat-number {
    font-size: 2.1rem;
    margin-bottom: 6px;
  }
  .stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.05em;
  }
  .banner-container-box {
    width: 85%;
    max-width: 330px;
    margin: 50px auto;
    padding: 20px 12px;
    border-radius: var(--radius-lg);
  }
  .banner-badge-row {
    font-size: 0.75rem;
    padding: 5px 12px 5px 5px;
    margin-bottom: 18px;
  }
  .banner-title {
    font-size: 1.35rem;
    line-height: 1.3;
    margin-bottom: 10px;
  }
  .banner-subtitle {
    font-size: 0.86rem;
    margin-bottom: 24px;
  }
  .inner-stat-val {
    font-size: 1.55rem;
  }
  .inner-stat-sub {
    font-size: 0.76rem;
  }
  .banner-feature-item {
    font-size: 0.84rem;
  }
  .banner-cta-btn {
    font-size: 0.86rem;
    padding: 12px 24px;
    width: 100%;
    justify-content: center;
  }
  .tab-label-full, .vpn-text-full, .engine-name-full {
    display: none;
  }
  .tab-label-short, .vpn-text-short, .engine-name-short {
    display: inline;
  }

  .mockup-container {
    width: 85%;
    max-width: 330px;
    margin: 0 auto 60px auto;
    border-radius: var(--radius-lg);
  }
  .mockup-topbar {
    padding: 8px 10px;
    gap: 8px;
    justify-content: flex-start;
  }
  .mockup-controls {
    gap: 5px;
    flex-shrink: 0;
  }
  .mockup-control-dot {
    width: 8px;
    height: 8px;
  }
  .mockup-tab-strip {
    gap: 4px;
    flex: 1;
    min-width: 0;
    justify-content: flex-start;
  }
  .mockup-tab-item {
    padding: 4px 6px;
    font-size: 0.68rem;
    gap: 4px;
    flex: 1;
    justify-content: center;
    text-align: center;
    white-space: nowrap;
  }
  .mockup-tab-icon {
    width: 12px;
    height: 12px;
  }
  .mockup-toolbar {
    padding: 8px 10px;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
  }
  .mockup-nav-btns {
    gap: 4px;
  }
  .mockup-nav-btn {
    width: 24px;
    height: 24px;
  }
  .mockup-omnibox {
    font-size: 0.75rem;
    padding: 5px 8px;
    gap: 6px;
  }
  .mockup-vpn-pill {
    font-size: 0.68rem;
    padding: 3px 8px;
    gap: 4px;
    width: 100%;
    justify-content: center;
    margin-top: 2px;
  }
  .mockup-vpn-pill .dot {
    width: 5px;
    height: 5px;
  }
  .mockup-body-preview {
    padding: 24px 12px;
    min-height: 240px;
  }
  .preview-logo {
    width: 44px;
    height: 44px;
    margin-bottom: 8px;
  }
  .preview-title {
    font-size: 1.3rem !important;
    margin-bottom: 4px !important;
  }
  .preview-subtitle {
    font-size: 0.8rem !important;
    max-width: 270px !important;
    line-height: 1.4 !important;
    margin-bottom: 14px !important;
  }
  .mockup-search-box {
    padding: 6px 8px;
    margin: 12px 0 14px 0;
    gap: 6px;
    width: 100%;
  }
  .mockup-engine-btn {
    font-size: 0.74rem;
    padding: 4px 6px;
    gap: 4px;
    flex-shrink: 0;
  }
  .mockup-search-input {
    font-size: 0.76rem;
    min-width: 0;
  }
  .mockup-speed-dial {
    display: flex;
    gap: 6px;
    width: 100%;
    justify-content: center;
  }
  .speed-dial-tile {
    flex: 1;
    min-width: 0;
    padding: 8px 4px;
    font-size: 0.72rem;
    gap: 4px;
    justify-content: center;
    border-radius: var(--radius-sm);
  }
  .speed-dial-tile svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
  }
  .vpn-showcase-box {
    width: 85%;
    max-width: 330px;
    margin: 0 auto 60px auto;
    padding: 18px 12px;
    border-radius: var(--radius-lg);
  }
  .vpn-showcase-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 18px;
  }
  .vpn-showcase-header h3 {
    font-size: 1.2rem;
  }
  .vpn-status-tag {
    font-size: 0.76rem;
    padding: 4px 12px;
  }
  .vpn-card-item {
    padding: 10px 12px;
  }
  .vpn-flag {
    font-size: 1.2rem;
  }
  .vpn-country-name {
    font-size: 0.82rem;
  }
  .vpn-ping {
    font-size: 0.7rem;
  }
  .vpn-badge {
    font-size: 0.7rem;
    padding: 3px 8px;
  }
  .architecture-box {
    width: 85%;
    max-width: 330px;
    margin: 0 auto 60px auto;
    padding: 18px 12px;
    border-radius: var(--radius-lg);
  }
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .spec-card {
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    gap: 4px;
  }
  .spec-card .label {
    font-size: 0.68rem;
  }
  .spec-card .val {
    font-size: 0.8rem;
    line-height: 1.25;
    word-break: break-word;
  }
  .trusted-container-box {
    width: 85%;
    max-width: 330px;
    margin: 0 auto 60px auto;
    padding: 18px 12px;
    border-radius: var(--radius-lg);
  }
  .trusted-title {
    font-size: 0.7rem;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
  }
  .trusted-logos-grid {
    gap: 10px;
  }
  .tech-badge-item {
    padding: 10px 14px;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
  }
  .downloads-section {
    margin-bottom: 80px;
    padding: 0 20px;
  }
  .platform-card {
    padding: 28px 18px;
    border-radius: var(--radius-lg);
  }
  .platform-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
  }
  .platform-name {
    font-size: 1.25rem;
  }
  .platform-subtitle {
    font-size: 0.82rem;
    margin-bottom: 20px;
  }
  .download-link-btn {
    padding: 11px 20px;
    font-size: 0.86rem;
  }
  footer {
    padding: 44px 20px 24px 20px;
  }
  .footer-container {
    gap: 32px;
    margin-bottom: 40px;
  }
  .footer-col-brand h3 {
    font-size: 1.35rem;
  }
  .footer-col-brand p {
    font-size: 0.86rem;
  }
  .footer-contact-item {
    font-size: 0.84rem;
  }
  .footer-col h4 {
    font-size: 0.94rem;
    margin-bottom: 14px;
  }
  .footer-links a {
    font-size: 0.86rem;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    font-size: 0.78rem;
  }
  .nav-links {
    display: none;
  }
}

@media (max-width: 420px) {
  .hero-section {
    padding-top: 275px;
  }
  .hero-title {
    font-size: 1.5rem;
  }
  .hero-subtitle {
    font-size: 0.84rem;
  }
  .btn-primary-pill, .btn-secondary-pill {
    padding: 10px 8px;
    font-size: 0.8rem;
  }
  .banner-title {
    font-size: 1.28rem;
  }
  .section-title-box h2 {
    font-size: 1.28rem;
  }
  .stat-number {
    font-size: 1.95rem;
  }
}