/* ============================================
   MOBILE DATA AWARENESS & 5G EXPERIENCE GUIDE
   Design System - styles.css
   Colors: Soft Purple + Blue + White
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary-purple: #7B5EA7;
  --primary-blue: #4A90D9;
  --accent-purple: #9B7FCC;
  --accent-blue: #5BA3E8;
  --light-purple: #EDE8F5;
  --light-blue: #E8F3FC;
  --dark-purple: #4A3570;
  --dark-blue: #2D6AAD;
  --gradient-main: linear-gradient(135deg, #7B5EA7 0%, #4A90D9 100%);
  --gradient-soft: linear-gradient(135deg, #EDE8F5 0%, #E8F3FC 100%);
  --gradient-hero: linear-gradient(135deg, #4A3570 0%, #7B5EA7 50%, #4A90D9 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f5ff 100%);
  --white: #ffffff;
  --off-white: #F9F8FF;
  --text-dark: #1A1233;
  --text-mid: #3D3058;
  --text-muted: #7A7090;
  --border-light: rgba(123, 94, 167, 0.15);
  --shadow-soft: 0 4px 24px rgba(123, 94, 167, 0.12);
  --shadow-medium: 0 8px 40px rgba(74, 144, 217, 0.18);
  --shadow-strong: 0 16px 60px rgba(74, 53, 112, 0.22);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --radius-pill: 999px;
  --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--dark-blue);
}

ul, ol {
  list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p {
  color: var(--text-mid);
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

p:last-child { margin-bottom: 0; }

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

.container-sm {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

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

.section-lg {
  padding: 130px 0;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 24px rgba(123, 94, 167, 0.12);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
  transition: var(--transition);
}

.navbar.scrolled .navbar-inner {
  padding: 14px 24px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
  transition: var(--transition);
}

.navbar.scrolled .navbar-logo {
  color: var(--dark-purple);
}

.navbar-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-main);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(123, 94, 167, 0.35);
}

.navbar-logo span.logo-text {
  font-size: 1.15rem;
}

.navbar-logo span.logo-sub {
  font-size: 0.7rem;
  font-weight: 500;
  opacity: 0.75;
  display: block;
  line-height: 1;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-nav a {
  color: rgba(255,255,255,0.88);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
}

.navbar.scrolled .navbar-nav a {
  color: var(--text-mid);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  background: rgba(255,255,255,0.18);
  color: var(--white);
}

.navbar.scrolled .navbar-nav a:hover,
.navbar.scrolled .navbar-nav a.active {
  background: var(--light-purple);
  color: var(--primary-purple);
}

.navbar-cta {
  background: rgba(255,255,255,0.2) !important;
  border: 1.5px solid rgba(255,255,255,0.5) !important;
  font-weight: 600 !important;
}

.navbar.scrolled .navbar-cta {
  background: var(--gradient-main) !important;
  color: var(--white) !important;
  border: none !important;
}

/* Hamburger */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: transparent;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar.scrolled .navbar-toggle span {
  background: var(--dark-purple);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

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

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #9B7FCC, transparent);
  top: -150px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #5BA3E8, transparent);
  bottom: -100px;
  left: -50px;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #4A90D9, transparent);
  top: 50%;
  left: 45%;
  transform: translate(-50%, -50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}

.hero-badge .badge-dot {
  width: 7px;
  height: 7px;
  background: #7FFFA0;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: linear-gradient(90deg, #B8A0E8, #74C0FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.175rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  max-width: 580px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
}

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

.hero-stat .stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--white);
  color: var(--primary-purple);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.btn-primary:hover {
  background: var(--off-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  color: var(--dark-purple);
}

.btn-secondary {
  background: rgba(255,255,255,0.14);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-purple {
  background: var(--gradient-main);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(123, 94, 167, 0.4);
}

.btn-purple:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(123, 94, 167, 0.5);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--primary-purple);
  border: 2px solid var(--primary-purple);
}

.btn-outline:hover {
  background: var(--primary-purple);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 17px 36px;
  font-size: 1.0625rem;
}

.btn-sm {
  padding: 9px 20px;
  font-size: 0.875rem;
}

/* ---------- Section Headers ---------- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--light-purple);
  color: var(--primary-purple);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.section-header {
  max-width: 640px;
  margin-bottom: 60px;
}

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

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--text-muted);
}

/* ---------- Cards ---------- */
.card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(123, 94, 167, 0.25);
}

.card-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 22px;
  background: var(--gradient-soft);
}

.card-icon.purple { background: var(--light-purple); }
.card-icon.blue { background: var(--light-blue); }
.card-icon.gradient { background: var(--gradient-main); }

.card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

/* ---------- Grid Layouts ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ---------- Feature Strip ---------- */
.feature-strip {
  background: var(--gradient-soft);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.feature-strip-item {
  flex: 1;
  min-width: 180px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.feature-strip-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  background: var(--gradient-main);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  box-shadow: 0 4px 16px rgba(123, 94, 167, 0.3);
}

.feature-strip-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.feature-strip-item p {
  font-size: 0.875rem;
  margin: 0;
}

/* ---------- Info Blocks ---------- */
.info-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.info-block.reverse {
  direction: rtl;
}

.info-block.reverse > * {
  direction: ltr;
}

.info-block-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.info-block-image {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}

.info-block-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 60%);
}

.info-content h2 {
  margin-bottom: 18px;
}

.info-content p {
  margin-bottom: 20px;
}

.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-mid);
}

.info-list li::before {
  content: '✦';
  color: var(--primary-purple);
  font-size: 0.75rem;
  margin-top: 4px;
  flex-shrink: 0;
}

/* ---------- Stats Section ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.stat-card .stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-card .stat-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ---------- Accent Banner ---------- */
.accent-banner {
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  padding: 70px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.accent-banner::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(155,127,204,0.4), transparent);
  border-radius: 50%;
}

.accent-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(91,163,232,0.3), transparent);
  border-radius: 50%;
}

.accent-banner h2,
.accent-banner p {
  position: relative;
  z-index: 1;
}

.accent-banner h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.accent-banner p {
  color: rgba(255,255,255,0.78);
  max-width: 520px;
  margin: 0 auto 32px;
}

/* ---------- Blog Cards ---------- */
.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

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

.blog-card-image {
  aspect-ratio: 16/9;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}

.blog-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(74, 53, 112, 0.4));
}

.blog-card-body {
  padding: 28px;
}

.blog-tag {
  display: inline-flex;
  align-items: center;
  background: var(--light-purple);
  color: var(--primary-purple);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.blog-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-card-body p {
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.blog-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ---------- FAQ Accordion ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-item:hover {
  border-color: rgba(123, 94, 167, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-dark);
  gap: 16px;
}

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: var(--light-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-purple);
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition);
}

.faq-item.open .faq-icon {
  background: var(--gradient-main);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  padding: 0 28px 22px;
  max-height: 400px;
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

/* ---------- Process Steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 34px;
  left: calc(16.666% + 28px);
  right: calc(16.666% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary-purple), var(--primary-blue));
  opacity: 0.3;
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 36px 24px;
}

.step-num {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 6px 24px rgba(123, 94, 167, 0.4);
  position: relative;
  z-index: 1;
}

.step-card h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

/* ---------- Highlight Box ---------- */
.highlight-box {
  background: var(--gradient-soft);
  border-radius: var(--radius-lg);
  padding: 36px;
  border-left: 4px solid var(--primary-purple);
}

.highlight-box h4 {
  color: var(--primary-purple);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---------- Table ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.data-table thead {
  background: var(--gradient-main);
  color: var(--white);
}

.data-table th {
  padding: 16px 24px;
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.data-table td {
  padding: 15px 24px;
  font-size: 0.9375rem;
  color: var(--text-mid);
  border-bottom: 1px solid var(--border-light);
}

.data-table tbody tr {
  background: var(--white);
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: var(--light-purple);
}

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

/* ---------- Tags / Pills ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
}

.tag-purple { background: var(--light-purple); color: var(--primary-purple); }
.tag-blue { background: var(--light-blue); color: var(--dark-blue); }

/* ---------- Quote Block ---------- */
.quote-block {
  position: relative;
  padding: 32px 36px 32px 56px;
  background: var(--gradient-soft);
  border-radius: var(--radius-lg);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text-mid);
  line-height: 1.75;
}

.quote-block::before {
  content: '"';
  position: absolute;
  left: 20px;
  top: 10px;
  font-size: 4rem;
  color: var(--accent-purple);
  line-height: 1;
  opacity: 0.6;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.65);
}

.breadcrumb a:hover {
  color: var(--white);
}

.breadcrumb-sep {
  opacity: 0.5;
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  background: var(--gradient-hero);
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(155,127,204,0.3), transparent);
  border-radius: 50%;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(91,163,232,0.25), transparent);
  border-radius: 50%;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.page-hero p {
  color: rgba(255,255,255,0.78);
  font-size: 1.125rem;
  max-width: 620px;
}

/* ---------- Divider ---------- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
  margin: 0;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.72);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.55);
  margin-top: 16px;
  margin-bottom: 24px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 800;
  font-size: 1.1rem;
}

.footer-brand .footer-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-main);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.footer h5 {
  color: var(--white);
  margin-bottom: 20px;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-contact p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.footer-contact p span:first-child {
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-disclaimer {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  max-width: 680px;
  line-height: 1.65;
}

.footer-copy {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  white-space: nowrap;
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  background: var(--gradient-main);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 20px rgba(123, 94, 167, 0.45);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(123, 94, 167, 0.55);
}

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes rotateGlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fade-up {
  animation: fadeUp 0.7s ease forwards;
}

.animate-delay-1 { animation-delay: 0.15s; }
.animate-delay-2 { animation-delay: 0.3s; }
.animate-delay-3 { animation-delay: 0.45s; }
.animate-delay-4 { animation-delay: 0.6s; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.text-purple { color: var(--primary-purple); }
.text-blue { color: var(--primary-blue); }
.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-white { color: var(--white); }
.text-muted { color: var(--text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mb-64 { margin-bottom: 64px; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }
.mt-32 { margin-top: 32px; }
.bg-soft { background: var(--gradient-soft); }
.rounded-xl { border-radius: var(--radius-xl); }
.shadow-soft { box-shadow: var(--shadow-soft); }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .info-block { grid-template-columns: 1fr; gap: 40px; }
  .info-block.reverse { direction: ltr; }
  .accent-banner { padding: 50px 32px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .section-lg { padding: 80px 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .navbar-nav { display: none; }
  .navbar-toggle { display: flex; }
  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 999;
  }
  .navbar-nav.open a {
    font-size: 1.25rem;
    color: var(--white);
  }
  .navbar-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: rgba(255,255,255,0.15);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
  }
  .navbar-nav.open .navbar-close {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .hero h1 { font-size: 2.2rem; }
  .hero-stats { gap: 24px; }
  .feature-strip { padding: 28px; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
  .page-hero { padding: 120px 0 60px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .grid-4 { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .card { padding: 24px; }
  .accent-banner { padding: 36px 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}