/* =========================================
   HELF.LLC — Main Stylesheet
   Design: Clean White & Blue (Variant B)
   ========================================= */

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

:root {
  --bg: #FFFFFF;
  --bg-alt: #F8FAFF;
  --blue: #1D4ED8;
  --blue-dark: #1338A8;
  --blue-light: #3B82F6;
  --gold: #FBBF24;
  --text: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #E2E8F0;
  --card-bg: #FFFFFF;
  --shadow: 0 4px 24px rgba(29,78,216,0.08);
  --shadow-hover: 0 8px 40px rgba(29,78,216,0.16);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
  --max-w: 1200px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* --- Typography --- */
h1, h2, h3, h4, h5 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { color: var(--text-muted); line-height: 1.7; }

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-title {
  color: var(--text);
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(29,78,216,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline:hover {
  background: var(--blue);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--blue);
  border-color: #fff;
}
.btn-white:hover {
  background: var(--bg-alt);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gold);
  color: var(--text);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: #F59E0B;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(251,191,36,0.35);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(29,78,216,0.08); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo img { height: 42px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: var(--blue); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 24px;
  z-index: 999;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu .btn { justify-content: center; margin-top: 8px; }

/* --- Hero --- */
.hero {
  padding: 140px 0 100px;
  background: linear-gradient(135deg, #F8FAFF 0%, #EEF4FF 50%, #F0F9FF 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(29,78,216,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(251,191,36,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(29,78,216,0.08);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero h1 span { color: var(--blue); }

.hero-desc {
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat-item h3 { color: var(--blue); font-size: 1.8rem; font-weight: 800; }
.stat-item p { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }

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

.hero-phones {
  position: relative;
  width: 320px;
  height: 420px;
}

.phone-mockup {
  position: absolute;
  background: var(--blue);
  border-radius: 28px;
  box-shadow: var(--shadow-hover);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.phone-main {
  width: 200px; height: 380px;
  left: 60px; top: 20px;
  z-index: 2;
}

.phone-secondary {
  width: 160px; height: 300px;
  left: 0; top: 60px;
  z-index: 1;
  opacity: 0.7;
  transform: rotate(-8deg);
  background: #1338A8;
}

.phone-mockup .phone-icon {
  font-size: 3rem;
}

.phone-mockup .phone-label {
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  padding: 0 16px;
}

.phone-badge {
  position: absolute;
  right: 0; bottom: 60px;
  background: #fff;
  border-radius: 12px;
  padding: 10px 16px;
  box-shadow: var(--shadow-hover);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 3;
}
.phone-badge .badge-icon { font-size: 1.2rem; }
.phone-badge .badge-text { font-size: 0.75rem; font-weight: 700; color: var(--text); }
.phone-badge .badge-sub { font-size: 0.65rem; color: var(--text-muted); }

/* --- Apps Store Section --- */
.apps-strip {
  background: var(--blue);
  padding: 20px 0;
}
.apps-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.apps-strip p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  font-weight: 500;
}
.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.2);
}
.app-badge:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-2px);
}
.app-badge svg { width: 20px; height: 20px; fill: #fff; }

/* --- Section Common --- */
section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-subtitle {
  margin: 0 auto;
}

/* --- About --- */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}

.about-card-icon { font-size: 3rem; margin-bottom: 20px; }
.about-card h3 { color: #fff; margin-bottom: 12px; }
.about-card p { color: rgba(255,255,255,0.8); }

.about-float {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--gold);
  color: var(--text);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-hover);
}
.about-float strong { display: block; font-size: 1.5rem; font-weight: 800; }
.about-float span { font-size: 0.8rem; font-weight: 500; }

.about-content .section-label { text-align: left; }
.about-content .section-title { text-align: left; }

.about-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.about-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-point-icon {
  width: 44px; height: 44px;
  background: rgba(29,78,216,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.about-point-text h4 { color: var(--text); margin-bottom: 4px; }
.about-point-text p { font-size: 0.9rem; }

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

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(29,78,216,0.2);
}

.product-card.featured {
  background: var(--blue);
  border-color: var(--blue);
}

.product-card.featured h3,
.product-card.featured p,
.product-card.featured .product-tag { color: rgba(255,255,255,0.8); }
.product-card.featured h3 { color: #fff; }
.product-card.featured .product-icon { background: rgba(255,255,255,0.12); }

.product-icon {
  width: 56px; height: 56px;
  background: rgba(29,78,216,0.08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.product-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.product-card h3 { margin-bottom: 10px; }
.product-card p { font-size: 0.9rem; margin-bottom: 20px; }

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue);
  transition: gap var(--transition);
}
.product-card.featured .product-link { color: var(--gold); }
.product-link:hover { gap: 10px; }

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

.audience-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
}

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

.audience-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: var(--blue);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  border-radius: 12px;
  margin-bottom: 20px;
}

.audience-card h3 { margin-bottom: 12px; }

/* --- Market --- */
.market-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.market-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
}
.market-item:hover {
  border-color: rgba(29,78,216,0.2);
  box-shadow: var(--shadow);
}

.market-dot {
  width: 10px; height: 10px;
  background: var(--blue);
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.market-item h4 { margin-bottom: 4px; }
.market-item .market-size {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 2px;
}
.market-item p { font-size: 0.82rem; }

/* --- Timeline --- */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 28px; left: 12.5%; right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-light) 50%, var(--border) 100%);
}

.timeline-item {
  position: relative;
  text-align: center;
}

.timeline-dot {
  width: 56px; height: 56px;
  background: var(--blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.8rem;
  margin: 0 auto 20px;
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px var(--blue);
  position: relative;
  z-index: 1;
}

.timeline-dot.future {
  background: var(--bg-alt);
  color: var(--text-muted);
  box-shadow: 0 0 0 2px var(--border);
}

.timeline-item h4 { margin-bottom: 8px; }
.timeline-item p { font-size: 0.82rem; }

/* --- Blog --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

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

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

.blog-card-img {
  height: 200px;
  background: linear-gradient(135deg, #EEF4FF 0%, #DBEAFE 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.blog-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(29,78,216,0.08) 100%);
}

.blog-card-body { padding: 24px; }

.blog-category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(29,78,216,0.08);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.blog-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.4;
}

.blog-card p { font-size: 0.88rem; margin-bottom: 16px; }

.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-light);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.blog-read-more {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.blog-center { text-align: center; }

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--blue) 0%, #1338A8 100%);
  border-radius: var(--radius);
  padding: 72px 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 250px; height: 250px;
  background: rgba(251,191,36,0.08);
  border-radius: 50%;
}

.cta-banner h2 { color: #fff; margin-bottom: 16px; position: relative; z-index: 1; }
.cta-banner p { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: 36px; max-width: 540px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; }
.cta-banner .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* --- Contact --- */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info { }
.contact-info .section-label,
.contact-info .section-title { text-align: left; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px; height: 44px;
  background: rgba(29,78,216,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail h4 { color: var(--text); font-size: 0.85rem; font-weight: 600; margin-bottom: 2px; }
.contact-detail p, .contact-detail a { font-size: 0.95rem; color: var(--text-muted); }
.contact-detail a:hover { color: var(--blue); }

.contact-form {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font);
  color: var(--text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.1);
}

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

/* --- Footer --- */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding: 72px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand img { height: 36px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.88rem; line-height: 1.6; max-width: 260px; }

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p { font-size: 0.82rem; }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-legal a:hover { color: #fff; }

/* --- Blog Page --- */
.blog-hero {
  padding: 120px 0 72px;
  background: linear-gradient(135deg, #F8FAFF 0%, #EEF4FF 100%);
  text-align: center;
}

.blog-hero h1 { margin-bottom: 16px; }
.blog-hero p { font-size: 1.1rem; max-width: 540px; margin: 0 auto; }

.blog-page { padding: 72px 0; }
.blog-categories {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  justify-content: center;
}
.blog-cat-btn {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  transition: var(--transition);
}
.blog-cat-btn:hover,
.blog-cat-btn.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

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

/* --- Article Page --- */
.article-hero {
  padding: 120px 0 48px;
  background: linear-gradient(135deg, #F8FAFF 0%, #EEF4FF 100%);
}
.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.article-meta-bar a { color: var(--blue); }

.article-body {
  padding: 64px 0;
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
}
.article-content h2 { font-size: 1.7rem; margin: 40px 0 16px; }
.article-content h3 { font-size: 1.25rem; margin: 28px 0 12px; }
.article-content p { margin-bottom: 20px; font-size: 1.02rem; line-height: 1.8; }
.article-content ul { margin: 16px 0 20px 20px; list-style: disc; }
.article-content ul li { margin-bottom: 8px; color: var(--text-muted); line-height: 1.7; }

/* --- Privacy / Terms --- */
.legal-hero {
  padding: 120px 0 48px;
  background: var(--bg-alt);
  text-align: center;
}
.legal-body {
  padding: 64px 0;
  max-width: 800px;
  margin: 0 auto;
}
.legal-body h2 { font-size: 1.4rem; margin: 36px 0 12px; color: var(--text); }
.legal-body h3 { font-size: 1.1rem; margin: 24px 0 8px; color: var(--text); }
.legal-body p { margin-bottom: 16px; }
.legal-body ul { margin: 12px 0 16px 20px; list-style: disc; }
.legal-body ul li { margin-bottom: 8px; color: var(--text-muted); line-height: 1.7; }

/* --- Support --- */
.support-hero {
  padding: 120px 0 72px;
  background: linear-gradient(135deg, #F8FAFF 0%, #EEF4FF 100%);
  text-align: center;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.support-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.support-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.support-card .icon { font-size: 2.5rem; margin-bottom: 16px; }
.support-card h3 { margin-bottom: 10px; }
.support-card p { font-size: 0.9rem; margin-bottom: 20px; }

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 0; animation: fadeUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .hero { padding: 110px 0 72px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .hero-stats { gap: 20px; }

  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-float { position: relative; right: auto; bottom: auto; margin-top: 16px; display: inline-block; }

  .products-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .market-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-page-grid { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }

  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .cta-banner { padding: 48px 28px; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .timeline { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .cta-banner .btn-group { flex-direction: column; }
  .apps-strip-inner { flex-direction: column; }
}