:root {
  --bg-primary: #060913;
  --bg-secondary: #0b1120;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-hover: rgba(26, 38, 68, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.55);
  --bg-glass-heavy: rgba(11, 17, 32, 0.85);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --cyan-main: #06b6d4;
  --cyan-light: #22d3ee;
  --cyan-glow: rgba(6, 182, 212, 0.3);
  --violet-main: #8b5cf6;
  --violet-light: #a78bfa;
  --violet-glow: rgba(139, 92, 246, 0.3);
  --emerald-main: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.25);
  --amber-main: #f59e0b;
  --rose-main: #f43f5e;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(6, 182, 212, 0.45);
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.background-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.45;
}

.glow-orb-1 {
  width: 600px;
  height: 600px;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--cyan-main) 0%, rgba(6, 182, 212, 0) 70%);
}

.glow-orb-2 {
  width: 500px;
  height: 500px;
  top: 40%;
  right: -100px;
  background: radial-gradient(circle, var(--violet-main) 0%, rgba(139, 92, 246, 0) 70%);
}

.glow-orb-3 {
  width: 550px;
  height: 550px;
  bottom: -100px;
  left: -100px;
  background: radial-gradient(circle, #0284c7 0%, rgba(2, 132, 199, 0) 70%);
}

.neural-grid-bg {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.app-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(6, 9, 19, 0.75);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-smooth);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon-wrapper {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.brand-icon-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 40%, var(--cyan-light) 100%);
  -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: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

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

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

.lang-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.lang-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--cyan-main);
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-main) 0%, var(--violet-main) 100%);
  color: #ffffff;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--cyan-glow);
  transition: all var(--transition-smooth);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(6, 182, 212, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: all var(--transition-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--cyan-main);
  transform: translateY(-2px);
}

.hero-section {
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 100px;
  color: var(--cyan-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.gradient-title-span {
  background: linear-gradient(135deg, var(--cyan-light) 0%, var(--violet-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.google-play-badge-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000000;
  color: #ffffff;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-decoration: none;
  transition: all var(--transition-smooth);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.google-play-badge-btn:hover {
  border-color: var(--cyan-main);
  box-shadow: 0 6px 24px var(--cyan-glow);
  transform: translateY(-2px);
}

.play-store-svg {
  width: 28px;
  height: 28px;
}

.play-text-sub {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #cbd5e1;
  display: block;
}

.play-text-main {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  display: block;
  line-height: 1.1;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.proof-item {
  display: flex;
  flex-direction: column;
}

.proof-number {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.proof-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.proof-divider {
  width: 1px;
  height: 32px;
  background: var(--border-subtle);
}

.hero-visual-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup-frame {
  position: relative;
  width: 320px;
  height: 650px;
  background: #0a0f1d;
  border-radius: 46px;
  border: 4px solid #1e293b;
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 25px 60px -15px rgba(0, 0, 0, 0.9),
    0 0 45px rgba(6, 182, 212, 0.25);
  padding: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-smooth);
}

.phone-mockup-frame:hover {
  transform: translateY(-6px) rotate(-0.5deg);
}

.phone-island {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 20px;
  background: #000000;
  border-radius: 20px;
  z-index: 10;
}

.phone-screen-content {
  flex: 1;
  background: linear-gradient(180deg, #090e1a 0%, #0d1527 100%);
  border-radius: 36px;
  padding: 36px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.app-screen-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 4px;
}

.app-header-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
}

.app-header-streak {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--amber-main);
  display: flex;
  align-items: center;
  gap: 4px;
}

.app-level-card {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 14px;
  padding: 10px 12px;
  position: relative;
  overflow: hidden;
}

.app-level-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-main), var(--violet-main));
}

.level-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.level-badge-name {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cyan-light);
}

.level-xp-text {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.level-progress-bar-bg {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.level-progress-fill {
  width: 68%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-main), var(--violet-main));
  border-radius: 4px;
}

.app-radar-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.radar-header-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--cyan-light);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.radar-svg-canvas {
  width: 160px;
  height: 125px;
}

.app-quick-games-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.quick-game-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 6px 10px;
  border-radius: 10px;
}

.quick-game-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-game-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(6, 182, 212, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.quick-game-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-main);
}

.quick-game-cat {
  font-size: 0.62rem;
  color: var(--text-muted);
}

.quick-game-btn {
  background: var(--cyan-main);
  color: #000;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 6px;
  border: none;
}

.floating-badge {
  position: absolute;
  padding: 10px 16px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 20;
}

.floating-badge-1 {
  top: 12%;
  left: -35px;
  border-color: rgba(6, 182, 212, 0.4);
}

.floating-badge-2 {
  bottom: 15%;
  right: -35px;
  border-color: rgba(139, 92, 246, 0.4);
}

.badge-icon {
  font-size: 1.2rem;
}

.badge-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.badge-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.section-padding {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cyan-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.domains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.domain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.domain-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.domain-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.domain-icon-hippocampus {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #10b981;
}

.domain-icon-visuospatial {
  background: rgba(132, 204, 22, 0.15);
  border: 1px solid rgba(132, 204, 22, 0.35);
  color: #84cc16;
}

.domain-icon-frontoparietal {
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: #8b5cf6;
}

.domain-icon-prefrontal {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #3b82f6;
}

.domain-icon-motor {
  background: rgba(249, 115, 22, 0.15);
  border: 1px solid rgba(249, 115, 22, 0.35);
  color: #f97316;
}

.domain-icon-decision {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: #f43f5e;
}

.domain-icon-speed {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #f59e0b;
}

.domain-icon-logic {
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.35);
  color: #06b6d4;
}

.domain-icon-flexibility {
  background: rgba(236, 72, 153, 0.15);
  border: 1px solid rgba(236, 72, 153, 0.35);
  color: #ec4899;
}

.domain-icon-language {
  background: rgba(217, 70, 239, 0.15);
  border: 1px solid rgba(217, 70, 239, 0.35);
  color: #d946ef;
}

.domain-icon-math {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #6366f1;
}

.domain-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.domain-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.domain-tasks-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.domain-pill {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 9px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  color: #cbd5e1;
}

.minigame-section {
  background: radial-gradient(circle at center, rgba(15, 23, 42, 0.9) 0%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.minigame-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-xl);
  padding: 36px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px var(--cyan-glow);
  text-align: center;
}

.minigame-hud {
  display: flex;
  justify-content: space-around;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hud-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hud-val {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

.minigame-stimulus-box {
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  padding: 20px;
}

.stroop-stimulus-word {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: transform 0.1s ease;
}

.stroop-instruction-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

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

.stroop-color-btn {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.stroop-color-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.2);
}

.stroop-color-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-color-red { color: #f43f5e; border-color: rgba(244, 63, 94, 0.3); }
.btn-color-blue { color: #38bdf8; border-color: rgba(56, 189, 248, 0.3); }
.btn-color-green { color: #34d399; border-color: rgba(52, 211, 153, 0.3); }
.btn-color-yellow { color: #fbbf24; border-color: rgba(251, 191, 36, 0.3); }

.minigame-start-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

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

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--transition-smooth);
}

.feature-box:hover {
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-4px);
}

.feature-badge-icon {
  font-size: 1.8rem;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

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

.cta-banner-section {
  padding: 80px 0 100px;
}

.cta-banner-card {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.cta-banner-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.2;
}

.cta-banner-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 28px;
  max-width: 520px;
}

.qr-download-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.qr-code-box {
  width: 140px;
  height: 140px;
  background: #ffffff;
  border-radius: 12px;
  padding: 8px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-code-box svg,
.qr-code-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-code-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-col-brand h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}

.footer-col-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--cyan-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.8rem;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-dialog {
  background: #0d1424;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 760px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: #ffffff;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.7;
}

.modal-body h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: #ffffff;
  margin: 20px 0 8px;
}

.modal-body p {
  margin-bottom: 12px;
}

.modal-body ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta-group {
    justify-content: center;
  }
  
  .hero-social-proof {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .cta-banner-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .cta-banner-content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .floating-badge {
    display: none;
  }
}