/* ============================================================
   STEM Official Site - Global Styles
   ============================================================ */

:root {
  --neon-blue: #00d4ff;
  --neon-pink: #ff2d78;
  --neon-purple: #a855f7;
  --bg-deep: #07090f;
  --bg-dark: #0d1117;
  --bg-card: #111827;
  --bg-card2: #141c2d;
  --bg-glass: rgba(255,255,255,0.04);
  --border-glass: rgba(255,255,255,0.08);
  --text-primary: #f0f4ff;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --gradient-hero: linear-gradient(135deg, #07090f 0%, #0a1628 50%, #0d0b1e 100%);
  --gradient-blue: linear-gradient(135deg, #00d4ff, #0066cc);
  --gradient-pink: linear-gradient(135deg, #ff2d78, #9d00ff);
  --gradient-cta: linear-gradient(135deg, #00d4ff 0%, #0099ff 50%, #00d4ff 100%);
  --shadow-neon-blue: 0 0 20px rgba(0,212,255,0.3), 0 0 60px rgba(0,212,255,0.1);
  --shadow-neon-pink: 0 0 20px rgba(255,45,120,0.3), 0 0 60px rgba(255,45,120,0.1);
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

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

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

.text-gradient-multi {
  background: linear-gradient(135deg, #00d4ff 0%, #a855f7 50%, #ff2d78 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 64px 0;
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(7, 9, 15, 0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #00d4ff, #a855f7, #ff2d78);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  color: white;
  letter-spacing: -0.05em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  flex-wrap: nowrap;
}

.nav-links a {
  padding: 6px 12px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}

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

.nav-links a.active {
  color: var(--neon-blue);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00d4ff, #0088ff);
  color: #000;
  box-shadow: var(--shadow-neon-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0,212,255,0.5), 0 8px 30px rgba(0,136,255,0.3);
  background: linear-gradient(135deg, #33ddff, #0099ff);
}

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

.btn-secondary:hover {
  background: var(--bg-glass);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-pink {
  background: linear-gradient(135deg, #ff2d78, #9d00ff);
  color: white;
  box-shadow: var(--shadow-neon-pink);
}

.btn-pink:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(255,45,120,0.5), 0 8px 30px rgba(157,0,255,0.3);
}

.btn-outline-blue {
  background: transparent;
  color: var(--neon-blue);
  border: 1px solid rgba(0,212,255,0.4);
}

.btn-outline-blue:hover {
  background: rgba(0,212,255,0.1);
  border-color: var(--neon-blue);
  box-shadow: var(--shadow-neon-blue);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
  border-radius: 14px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
  border-radius: 8px;
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(0,212,255,0.2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.card-glass {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 32px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ============================================================
   SECTION LABELS
   ============================================================ */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--neon-blue);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-label-pink {
  background: rgba(255,45,120,0.1);
  border-color: rgba(255,45,120,0.2);
  color: var(--neon-pink);
}

.section-label-purple {
  background: rgba(168,85,247,0.1);
  border-color: rgba(168,85,247,0.2);
  color: var(--neon-purple);
}

.section-title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
  padding-top: 64px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--neon-blue);
  top: -200px;
  right: -100px;
  animation: orb-float 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--neon-pink);
  bottom: -100px;
  left: -100px;
  animation: orb-float 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--neon-purple);
  top: 40%;
  left: 40%;
  animation: orb-float 12s ease-in-out infinite 2s;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-30px, -20px) scale(1.05); }
  66% { transform: translate(20px, 30px) scale(0.95); }
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  min-height: calc(100vh - 64px);
  padding: 80px 0;
}

.hero-text-area {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--neon-blue);
  width: fit-content;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--neon-blue);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

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

.hero-h1 {
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff 0%, #00d4ff 40%, #a855f7 70%, #ff2d78 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 500px;
}

.hero-tagline strong {
  color: var(--text-primary);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 8px;
  padding-top: 32px;
  border-top: 1px solid var(--border-glass);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--neon-blue);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================================
   PHONE MOCKUP
   ============================================================ */

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

.phone-mockup-wrapper {
  position: relative;
  width: 280px;
}

.phone-mockup {
  width: 280px;
  background: #1a1a2e;
  border-radius: 40px;
  border: 2px solid rgba(255,255,255,0.1);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05), inset 0 0 0 1px rgba(255,255,255,0.05);
  position: relative;
}

.phone-notch {
  width: 120px;
  height: 30px;
  background: #0a0a1a;
  border-radius: 0 0 20px 20px;
  margin: 0 auto;
}

.phone-screen {
  background: var(--bg-dark);
  min-height: 500px;
  padding: 16px;
}

.phone-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.65rem;
  color: var(--text-secondary);
  padding: 0 4px;
}

/* STEM App UI in phone */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  margin-bottom: 12px;
}

.app-header-title {
  font-size: 1rem;
  font-weight: 700;
  background: linear-gradient(135deg, #00d4ff, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-tabs {
  display: flex;
  gap: 4px;
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 12px;
}

.app-tab {
  flex: 1;
  text-align: center;
  padding: 4px 0;
  font-size: 0.6rem;
  border-radius: 7px;
  color: var(--text-muted);
}

.app-tab.active {
  background: rgba(0,212,255,0.15);
  color: var(--neon-blue);
}

/* Chat bubbles */
.chat-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.chat-info {
  flex: 1;
  min-width: 0;
}

.chat-name {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.chat-preview {
  font-size: 0.575rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.chat-time {
  font-size: 0.5rem;
  color: var(--text-muted);
}

.chat-badge {
  background: var(--neon-blue);
  color: #000;
  font-size: 0.5rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* AI assistant chip in phone */
.ai-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(168,85,247,0.1));
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 12px;
  padding: 8px 12px;
  margin-top: 8px;
}

.ai-chip-icon {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #00d4ff, #a855f7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  flex-shrink: 0;
}

.ai-chip-text {
  flex: 1;
}

.ai-chip-label {
  font-size: 0.55rem;
  color: var(--neon-blue);
  font-weight: 600;
}

.ai-chip-message {
  font-size: 0.575rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Floating elements around phone */
.phone-float {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 12px 16px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.phone-float-1 {
  top: 20px;
  right: -80px;
  animation: float-1 4s ease-in-out infinite;
}

.phone-float-2 {
  bottom: 80px;
  left: -90px;
  animation: float-2 5s ease-in-out infinite 1s;
}

.phone-float-3 {
  bottom: 20px;
  right: -70px;
  animation: float-1 6s ease-in-out infinite 2s;
}

@keyframes float-1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes float-2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.float-icon {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.float-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.float-sub {
  font-size: 0.5625rem;
  color: var(--text-secondary);
}

/* ============================================================
   FEATURE ICON
   ============================================================ */

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.feature-icon-blue {
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
}

.feature-icon-pink {
  background: rgba(255,45,120,0.1);
  border: 1px solid rgba(255,45,120,0.2);
}

.feature-icon-purple {
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.2);
}

.feature-icon-green {
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.2);
}

.feature-icon-orange {
  background: rgba(251,146,60,0.1);
  border: 1px solid rgba(251,146,60,0.2);
}

/* ============================================================
   GRID LAYOUTS
   ============================================================ */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

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

/* ============================================================
   AI SECRETARY SECTION
   ============================================================ */

.ai-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00d4ff, #a855f7, #ff2d78);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: 0 auto 24px;
  position: relative;
  box-shadow: 0 0 40px rgba(0,212,255,0.3), 0 0 80px rgba(168,85,247,0.2);
}

.ai-avatar::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00d4ff, #a855f7, #ff2d78);
  z-index: -1;
  opacity: 0.5;
  filter: blur(8px);
}

.ai-avatar-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.3);
  animation: ring-pulse 3s ease-in-out infinite;
}

.ai-avatar-ring-2 {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 1px solid rgba(168,85,247,0.2);
  animation: ring-pulse 3s ease-in-out infinite 0.5s;
}

@keyframes ring-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(1.05); }
}

/* ============================================================
   COMPARISON TABLE
   ============================================================ */

.compare-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: center;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-glass);
}

.compare-table th {
  background: rgba(255,255,255,0.04);
  font-weight: 700;
  font-size: 0.9375rem;
}

.compare-table th.stem-col {
  background: rgba(0,212,255,0.08);
  color: var(--neon-blue);
}

.compare-table td:first-child {
  text-align: left;
  color: var(--text-secondary);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

.check-yes { color: #34d399; font-size: 1.1rem; }
.check-no { color: #475569; font-size: 1.1rem; }
.check-partial { color: #fbbf24; font-size: 1.1rem; }

/* ============================================================
   STEP / TIMELINE
   ============================================================ */

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 48px;
  bottom: 48px;
  width: 1px;
  background: linear-gradient(to bottom, var(--neon-blue), var(--neon-purple), var(--neon-pink));
  opacity: 0.3;
}

.step-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
}

.step-content {
  padding-top: 10px;
}

.step-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   FORM
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: rgba(0,212,255,0.5);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
}

/* ============================================================
   ACCORDION / FAQ
   ============================================================ */

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

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: inherit;
  transition: var(--transition);
}

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

.faq-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--neon-blue);
}

.faq-answer {
  display: none;
  padding: 0 0 24px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.9375rem;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-item.open .faq-answer {
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-glass);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.8;
  margin-top: 16px;
}

.footer-col-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

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

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-bottom-links a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-bottom-links a:hover {
  color: var(--text-secondary);
}

/* ============================================================
   PAGE HERO (sub pages)
   ============================================================ */

.page-hero {
  padding: 120px 0 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   TAGS / CHIPS
   ============================================================ */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tag-blue { background: rgba(0,212,255,0.1); color: var(--neon-blue); }
.tag-pink { background: rgba(255,45,120,0.1); color: var(--neon-pink); }
.tag-purple { background: rgba(168,85,247,0.1); color: var(--neon-purple); }
.tag-green { background: rgba(52,211,153,0.1); color: #34d399; }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */

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

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   MOBILE MENU
   ============================================================ */

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(7, 9, 15, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 80px 24px 40px;
}

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

.mobile-menu a {
  font-size: 1.25rem;
  font-weight: 600;
  padding: 12px 24px;
  color: var(--text-secondary);
  border-radius: 12px;
  transition: var(--transition);
  width: 100%;
  max-width: 300px;
  text-align: center;
}

.mobile-menu a:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu .btn {
  width: 100%;
  max-width: 300px;
  margin-top: 8px;
}

/* ============================================================
   NEON DIVIDER
   ============================================================ */

.neon-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
  opacity: 0.3;
  margin: 0;
}

/* ============================================================
   GLOW EFFECTS
   ============================================================ */

.glow-blue {
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
}

.glow-pink {
  box-shadow: 0 0 20px rgba(255,45,120,0.3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 60px 0;
    gap: 48px;
  }

  .hero-text-area {
    align-items: center;
  }

  .hero-tagline {
    margin: 0 auto;
  }

  .hero-visual {
    order: -1;
  }

  .nav-links {
    display: none;
  }

  .nav-menu-toggle {
    display: block;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .phone-float-1,
  .phone-float-2,
  .phone-float-3 {
    display: none;
  }

  .phone-mockup-wrapper {
    width: 240px;
  }

  .phone-mockup {
    width: 240px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-stats {
    justify-content: center;
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .compare-table {
    font-size: 0.75rem;
  }

  .compare-table th,
  .compare-table td {
    padding: 10px 8px;
  }

  .nav-cta .btn:not(:last-child) {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-h1 {
    font-size: 3.5rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   UTILITY
   ============================================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }
.w-full { width: 100%; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #34d399;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: #34d399;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* Highlight box */
.highlight-box {
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--neon-blue);
  background: rgba(0,212,255,0.05);
}

.highlight-box-pink {
  border-left-color: var(--neon-pink);
  background: rgba(255,45,120,0.05);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bounce-scroll 2s ease-in-out infinite;
}

.scroll-indicator-dot {
  width: 6px;
  height: 24px;
  border: 1.5px solid rgba(0,212,255,0.4);
  border-radius: 100px;
  display: flex;
  justify-content: center;
  padding-top: 4px;
}

.scroll-indicator-dot::after {
  content: '';
  width: 3px;
  height: 6px;
  background: var(--neon-blue);
  border-radius: 100px;
  animation: scroll-dot 1.5s ease-in-out infinite;
}

@keyframes scroll-dot {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(8px); }
}

@keyframes bounce-scroll {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

.scroll-indicator-label {
  font-size: 0.625rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}