/* ==========================================================================
   ZYNROS BROWSER - OFFICIAL WEBSITE & DOWNLOAD PORTAL DESIGN SYSTEM
   Inspired by Aloha Browser Aesthetics: Obsidian Dark, Glassmorphism, 
   Vibrant Neon Cyan & Emerald Gradients, Responsive Precision Layouts.
   ========================================================================== */

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

:root {
  /* Color Palette */
  --bg-darkest: #05070a;
  --bg-primary: #090c12;
  --bg-surface: #0f141e;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 35, 54, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  /* Accent Colors */
  --cyan-main: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.35);
  --cyan-subtle: rgba(0, 240, 255, 0.08);
  --emerald-main: #00e5a3;
  --emerald-glow: rgba(0, 229, 163, 0.35);
  --purple-main: #9d4edd;
  --purple-glow: rgba(157, 78, 221, 0.35);
  --pink-accent: #ff4081;
  --amber-warning: #ffb703;
  
  /* Text Colors */
  --text-pure: #ffffff;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Borders & Shadows */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(0, 240, 255, 0.25);
  --border-hover: rgba(0, 240, 255, 0.45);
  --shadow-card: 0 12px 32px -4px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 35px rgba(0, 240, 255, 0.2);
  --shadow-glow-emerald: 0 0 35px rgba(0, 229, 163, 0.2);
  
  /* Layout & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --max-width: 1240px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-darkest);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  background: radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.07) 0%, transparent 60%),
              radial-gradient(circle at 85% 30%, rgba(157, 78, 221, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 15% 70%, rgba(0, 229, 163, 0.05) 0%, transparent 50%),
              var(--bg-darkest);
}

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

/* ==========================================================================
   NAVIGATION BAR (FLOATING OBSIDIAN GLASS)
   ========================================================================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(9, 12, 18, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}

.site-nav.scrolled {
  background: rgba(5, 7, 10, 0.92);
  border-bottom-color: rgba(0, 240, 255, 0.15);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-pure);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
}

.brand-icon-box {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(0, 229, 163, 0.1));
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--cyan-glow);
}

.brand-title span {
  background: linear-gradient(135deg, var(--cyan-main), var(--emerald-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover, .nav-link.active {
  color: var(--cyan-main);
}

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

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 22px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #00b4d8 100%);
  color: #05070a;
  box-shadow: 0 4px 20px var(--cyan-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 240, 255, 0.55);
  background: linear-gradient(135deg, #33f3ff 0%, #00c4ea 100%);
}

.btn-emerald {
  background: linear-gradient(135deg, #00e5a3 0%, #00b884 100%);
  color: #05070a;
  box-shadow: 0 4px 20px var(--emerald-glow);
}

.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 229, 163, 0.55);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-pure);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-cyan);
  color: var(--cyan-main);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 30px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-pure);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
  text-align: center;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--cyan-subtle);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cyan-main);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-pure);
  max-width: 960px;
  margin: 0 auto 22px;
  letter-spacing: -0.8px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #00f0ff 20%, #00e5a3 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.22rem;
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-mobile-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-mobile-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 500;
}

.mobile-store-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(18, 24, 38, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.mobile-store-pill:hover {
  background: var(--bg-card-hover);
  border-color: var(--cyan-main);
  color: var(--cyan-main);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 240, 255, 0.2);
}

.mobile-store-pill.android-pill:hover {
  border-color: var(--emerald-main);
  color: var(--emerald-main);
  box-shadow: 0 4px 16px rgba(0, 229, 163, 0.25);
}

.mobile-store-pill.ios-pill:hover {
  border-color: #38bdf8;
  color: #38bdf8;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.25);
}

.cta-helper-text {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 40px;
}

.cta-helper-text a {
  color: var(--cyan-main);
  text-decoration: none;
  font-weight: 600;
}

.cta-helper-text a:hover {
  text-decoration: underline;
}

/* Trust Badges Strip */
.trust-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 600;
}

.trust-item svg {
  color: var(--emerald-main);
}

/* ==========================================================================
   BROWSER SHOWCASE MOCKUP (INTERACTIVE PRODUCT DISPLAY)
   ========================================================================== */
.browser-mockup-wrapper {
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
}

.mockup-glow-effect {
  position: absolute;
  top: 15%;
  left: 10%;
  right: 10%;
  height: 70%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.15), rgba(0, 229, 163, 0.08) 50%, transparent 70%);
  filter: blur(60px);
  z-index: 1;
  pointer-events: none;
}

.browser-mockup {
  position: relative;
  z-index: 2;
  background: #0d121c;
  border-radius: 16px;
  border: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.85),
              0 0 30px rgba(0, 240, 255, 0.12);
  overflow: hidden;
  text-align: left;
}

.mockup-titlebar {
  height: 42px;
  background: #090c14;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 14px;
}

.mockup-dots {
  display: flex;
  gap: 7px;
}

.mockup-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.mockup-dot.red { background: #ff5f56; }
.mockup-dot.yellow { background: #ffbd2e; }
.mockup-dot.green { background: #27c93f; }

.mockup-tabs {
  display: flex;
  gap: 6px;
  flex: 1;
}

.mockup-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 8px 8px 0 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  background: transparent;
}

.mockup-tab.active {
  background: #0f141e;
  color: var(--cyan-main);
  border-top: 2px solid var(--cyan-main);
}

.mockup-navbar {
  height: 48px;
  background: #0f141e;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 12px;
}

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

.mockup-omnibox {
  flex: 1;
  height: 32px;
  background: #07090e;
  border-radius: 8px;
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.mockup-omnibox .secure-badge {
  color: var(--emerald-main);
  display: flex;
  align-items: center;
}

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

.mockup-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 700;
}

.mockup-pill.shield {
  background: rgba(0, 229, 163, 0.12);
  color: var(--emerald-main);
  border: 1px solid rgba(0, 229, 163, 0.3);
}

.mockup-pill.vpn {
  background: rgba(0, 240, 255, 0.12);
  color: var(--cyan-main);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.mockup-screen {
  padding: 36px 30px;
  background: radial-gradient(circle at 50% 30%, rgba(0, 240, 255, 0.05), transparent 70%), #0a0e17;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.mockup-hero-search {
  text-align: center;
  max-width: 580px;
  width: 100%;
}

.mockup-search-input-box {
  width: 100%;
  height: 48px;
  background: #111723;
  border: 1px solid var(--border-cyan);
  border-radius: 12px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  margin-top: 18px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.mockup-search-input-box span {
  color: var(--text-dim);
  font-size: 0.92rem;
}

.mockup-widgets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  width: 100%;
  max-width: 650px;
  margin-top: 26px;
}

.mockup-widget-card {
  background: #111723;
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mockup-widget-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-pure);
}

.mockup-widget-stat {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--cyan-main);
  font-family: 'JetBrains Mono', monospace;
}

/* ==========================================================================
   FEATURES SECTION (ALOHA-INSPIRED 5 PILLARS)
   ========================================================================== */
.features-section {
  padding: 110px 0 80px;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--cyan-main);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.7rem;
  font-weight: 800;
  color: var(--text-pure);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 1.5rem;
}

.feature-icon-box.cyan {
  background: rgba(0, 240, 255, 0.12);
  color: var(--cyan-main);
  border: 1px solid rgba(0, 240, 255, 0.25);
}

.feature-icon-box.emerald {
  background: rgba(0, 229, 163, 0.12);
  color: var(--emerald-main);
  border: 1px solid rgba(0, 229, 163, 0.25);
}

.feature-icon-box.purple {
  background: rgba(157, 78, 221, 0.12);
  color: var(--purple-main);
  border: 1px solid rgba(157, 78, 221, 0.25);
}

.feature-icon-box.amber {
  background: rgba(255, 183, 3, 0.12);
  color: var(--amber-warning);
  border: 1px solid rgba(255, 183, 3, 0.25);
}

.feature-icon-box.pink {
  background: rgba(255, 64, 129, 0.12);
  color: var(--pink-accent);
  border: 1px solid rgba(255, 64, 129, 0.25);
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

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

.feature-checklist li {
  font-size: 0.88rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-checklist li svg {
  color: var(--emerald-main);
  flex-shrink: 0;
}

/* Featured Large Spotlight Card */
.feature-spotlight {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
  background: linear-gradient(135deg, rgba(15, 20, 30, 0.9), rgba(10, 14, 22, 0.95));
  border: 1px solid var(--border-cyan);
  padding: 44px;
}

.spotlight-media {
  background: #080c13;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  padding: 24px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   DOWNLOAD HUB (DESKTOP, MOBILE, WEB CLOUD)
   ========================================================================== */
.download-section {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.03) 50%, transparent);
}

.download-platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
}

.download-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-cyan);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.download-card.android:hover {
  border-color: var(--emerald-main);
  box-shadow: var(--shadow-card), var(--shadow-glow-emerald);
}

.download-card.ios:hover {
  border-color: #38bdf8;
  box-shadow: var(--shadow-card), 0 0 35px rgba(56, 189, 248, 0.25);
}

.download-card.recommended {
  border-color: var(--cyan-main);
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.08) 0%, rgba(18, 24, 38, 0.85) 100%);
  position: relative;
}

.recommended-ribbon {
  position: absolute;
  top: 14px;
  right: 18px;
  background: var(--cyan-main);
  color: #05070a;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}

.platform-logo-box {
  width: 64px;
  height: 64px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}

.platform-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 6px;
}

.platform-spec {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 22px;
}

.download-action-btn {
  width: 100%;
  margin-bottom: 12px;
}

.alt-downloads {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.alt-downloads a {
  color: var(--cyan-main);
  text-decoration: none;
  font-weight: 600;
  margin: 0 4px;
}

.alt-downloads a:hover {
  text-decoration: underline;
}

/* Mobile & PWA Card */
.mobile-download-banner {
  background: linear-gradient(135deg, rgba(18, 24, 38, 0.9), rgba(12, 17, 27, 0.9));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 30px;
}

.mobile-qr-box {
  background: white;
  padding: 12px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  flex-shrink: 0;
}

.mobile-qr-box img {
  width: 110px;
  height: 110px;
  display: block;
}

/* ==========================================================================
   COMPARISON TABLE SECTION
   ========================================================================== */
.compare-section {
  padding: 90px 0;
}

.compare-table-wrapper {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th, .compare-table td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.95rem;
}

.compare-table th {
  background: rgba(9, 12, 18, 0.95);
  color: var(--text-pure);
  font-weight: 700;
  font-size: 1rem;
}

.compare-table th.highlight, .compare-table td.highlight {
  background: rgba(0, 240, 255, 0.05);
  color: var(--cyan-main);
  font-weight: 700;
  border-left: 1px solid rgba(0, 240, 255, 0.2);
  border-right: 1px solid rgba(0, 240, 255, 0.2);
}

.check-yes {
  color: var(--emerald-main);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.check-no {
  color: var(--text-dim);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

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

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-pure);
  user-select: none;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.2s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding: 0 24px 20px;
}

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

/* ==========================================================================
   BOTTOM CALL-TO-ACTION BANNER
   ========================================================================== */
.cta-banner-section {
  padding: 80px 0 100px;
}

.cta-banner-card {
  background: radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.15) 0%, rgba(18, 24, 38, 0.9) 70%), #0e1420;
  border: 1px solid var(--border-cyan);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.cta-banner-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 16px;
}

.cta-banner-desc {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
}

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */
.site-footer {
  background: #05070a;
  border-top: 1px solid var(--border-glass);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand-col p {
  color: var(--text-muted);
  font-size: 0.92rem;
  max-width: 320px;
  margin-top: 14px;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--text-pure);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 18px;
}

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

.footer-col ul a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--cyan-main);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   RESPONSIVE DESIGN SYSTEM
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.8rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-spotlight { grid-column: span 2; grid-template-columns: 1fr; }
  .download-platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-secondary { display: none; }
  .mobile-toggle { display: block; }
  .hero-title { font-size: 2.2rem; }
  .hero-desc { font-size: 1.05rem; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-spotlight { grid-column: span 1; padding: 24px; }
  .download-platforms-grid { grid-template-columns: 1fr; }
  .mobile-download-banner { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}