/* ============================================================
   VINHOMES SAIGON PARK - MAIN STYLESHEET
   Cập nhật: 05/2026
   ============================================================ */

/* ── CSS Variables ── */
:root {
  --primary: #003580;
  --primary-dark: #002460;
  --primary-light: #1a4f9e;
  --gold: #C9993B;
  --gold-light: #E8C56A;
  --gold-dark: #A07820;
  --dark: #0D1B2A;
  --gray-900: #111827;
  --gray-800: #1F2937;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --gray-50: #F9FAFB;
  --white: #FFFFFF;
  --green: #059669;
  --red: #DC2626;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 10px 25px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.08);
  --shadow-gold: 0 4px 20px rgba(201,153,59,0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ── */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); font-weight: 600; line-height: 1.3; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--gray-600); line-height: 1.75; }

/* ── Layout ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--gray-50); }
.section-dark { background: var(--dark); color: var(--white); }
.section-dark p { color: var(--gray-400); }

/* ── Section Header ── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, rgba(201,153,59,0.1), rgba(201,153,59,0.2));
  color: var(--gold-dark); font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  padding: 6px 16px; border-radius: 50px;
  border: 1px solid rgba(201,153,59,0.3);
  margin-bottom: 16px;
}
.section-title { color: var(--dark); margin-bottom: 16px; }
.section-dark .section-title { color: var(--white); }
.section-subtitle { color: var(--gray-500); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.title-line {
  width: 60px; height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px; margin: 20px auto 0;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px;
  font-weight: 700; font-size: 0.95rem;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0; transition: var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white); box-shadow: var(--shadow-gold);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,153,59,0.5); }
.btn-outline {
  border: 2px solid var(--white); color: var(--white);
  background: transparent;
}
.btn-outline:hover { background: var(--white); color: var(--primary); }
.btn-blue {
  background: var(--primary); color: var(--white);
  box-shadow: 0 4px 15px rgba(0,53,128,0.3);
}
.btn-blue:hover { transform: translateY(-2px); background: var(--primary-light); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ══════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: var(--transition);
  padding: 16px 0;
}
#navbar.scrolled {
  background: rgba(0, 35, 80, 0.97);
  backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.nav-logo-img {
  display: block;
  height: auto;
  max-height: 46px;
  width: auto;
  max-width: min(240px, 58vw);
  object-fit: contain;
}
.nav-logo-img--footer {
  max-height: 52px;
  max-width: 260px;
}
.nav-logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1.2rem; color: white;
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-text span:first-child { font-size: 0.65rem; color: var(--gold-light); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.nav-logo-text strong { font-size: 1rem; color: white; font-weight: 800; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link {
  color: rgba(255,255,255,0.85); font-size: 0.85rem; font-weight: 500;
  padding: 8px 12px; border-radius: 8px;
  transition: var(--transition);
}
.nav-link:hover { color: var(--gold-light); background: rgba(255,255,255,0.08); }
.nav-link.active { color: var(--gold-light); }
.nav-cta { margin-left: 8px; }
.nav-hotline { color: var(--gold-light); font-weight: 700; font-size: 0.9rem; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: 8px;
  transition: var(--transition);
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: white; border-radius: 2px;
  transition: var(--transition);
}

/* ══════════════════════════════════════════════
   HERO SECTION
══════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, #1a4080 70%, #0a2550 100%);
  position: relative; overflow: hidden;
  display: flex; align-items: center;
}
.hero-bg-pattern {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(201,153,59,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(26,79,158,0.3) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(0,0,0,0.1) 0%, transparent 70%);
}
.hero-grid {
  position: absolute; inset: 0; overflow: hidden;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero-content {
  position: relative; z-index: 1;
  padding: 140px 0 80px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,153,59,0.2); border: 1px solid rgba(201,153,59,0.4);
  color: var(--gold-light); font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  padding: 8px 20px; border-radius: 50px;
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease;
}
.hero-badge span { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; animation: pulse 2s infinite; }
.hero-title {
  color: white; margin-bottom: 8px;
  animation: fadeInDown 0.8s ease;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,0.75); margin-bottom: 32px;
  animation: fadeInDown 1s ease;
}
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 24px;
  margin-bottom: 40px;
  animation: fadeInUp 1.2s ease;
}
.hero-stat {
  text-align: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 16px 24px;
  backdrop-filter: blur(10px);
  min-width: 130px;
}
.hero-stat strong { display: block; font-size: 1.6rem; font-weight: 800; color: var(--gold-light); }
.hero-stat span { font-size: 0.78rem; color: rgba(255,255,255,0.65); text-transform: uppercase; letter-spacing: 1px; }
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 16px;
  animation: fadeInUp 1.4s ease;
}
.hero-visual {
  position: relative; z-index: 1;
  animation: fadeInRight 1s ease;
}
.hero-card {
  background: rgba(13, 27, 42, 0.88);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.hero-card h3 { color: white; margin-bottom: 20px; font-size: 1.1rem; }
.hero-info-list { display: flex; flex-direction: column; gap: 14px; }
.hero-info-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold);
}
.hero-info-item .icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.hero-info-item div span { display: block; font-size: 0.7rem; color: var(--gold-light); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.hero-info-item div strong { color: white; font-size: 0.9rem; }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%); z-index: 1;
  color: rgba(255,255,255,0.6); font-size: 0.8rem; text-align: center;
  animation: bounce 2s infinite;
}
.hero-scroll::before {
  content: ''; display: block; width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
  margin: 0 auto 8px;
}

/* ══════════════════════════════════════════════
   TỔNG QUAN MODULE
══════════════════════════════════════════════ */
.overview-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px; margin-bottom: 48px;
}
.overview-card {
  background: white; border-radius: var(--radius);
  padding: 28px 24px; border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex; align-items: flex-start; gap: 16px;
}
.overview-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--gold); }
.overview-icon {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.overview-card-body strong { display: block; font-size: 1.5rem; color: var(--primary); font-weight: 800; margin-bottom: 4px; }
.overview-card-body p { font-size: 0.85rem; margin: 0; }
.overview-highlight {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  padding: 40px; color: white;
  position: relative; overflow: hidden;
}
.overview-highlight::before {
  content: ''; position: absolute;
  top: -50%; right: -20%; width: 400px; height: 400px;
  background: rgba(255,255,255,0.05); border-radius: 50%;
}
.highlight-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }
.highlight-item { text-align: center; }
.highlight-item .num { font-size: 2rem; font-weight: 800; color: var(--gold-light); display: block; }
.highlight-item .label { font-size: 0.8rem; color: rgba(255,255,255,0.75); text-transform: uppercase; letter-spacing: 1px; }

/* ══════════════════════════════════════════════
   VỊ TRÍ MODULE
══════════════════════════════════════════════ */
.location-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.location-map-wrap {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3; position: relative;
}
.location-map-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.map-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #e8f0fe, #d1e3ff);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; flex-direction: column; gap: 12px;
}
.map-placeholder p { font-size: 1rem; color: var(--primary); font-weight: 600; }
.location-details { display: flex; flex-direction: column; gap: 16px; }
.location-address {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white; border-radius: var(--radius); padding: 24px;
}
.location-address h4 { color: var(--gold-light); margin-bottom: 8px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; }
.location-address p { color: white; font-size: 1rem; margin: 0; }
.distance-list { display: flex; flex-direction: column; gap: 10px; }
.distance-item {
  display: flex; align-items: center; gap: 12px;
  background: white; border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); padding: 14px 16px;
  transition: var(--transition);
}
.distance-item:hover { border-color: var(--gold); box-shadow: var(--shadow-sm); }
.distance-icon { font-size: 1.3rem; width: 36px; text-align: center; }
.distance-info { flex: 1; }
.distance-info span { display: block; font-size: 0.8rem; color: var(--gray-500); }
.distance-info strong { font-size: 0.95rem; color: var(--gray-800); }
.distance-time {
  background: var(--primary); color: white;
  font-size: 0.8rem; font-weight: 700;
  padding: 4px 12px; border-radius: 50px; white-space: nowrap;
}
.infra-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 32px; }
.infra-card {
  background: white; border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 20px;
  display: flex; gap: 14px; align-items: flex-start;
  transition: var(--transition);
}
.infra-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.infra-card-icon {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.infra-card h4 { font-size: 0.9rem; margin-bottom: 4px; }
.infra-card p { font-size: 0.82rem; margin: 0; }
.status-badge {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  padding: 2px 8px; border-radius: 4px; margin-top: 4px;
}
.status-done { background: #d1fae5; color: #065f46; }
.status-progress { background: #fef3c7; color: #92400e; }
.status-plan { background: #e0e7ff; color: #3730a3; }

/* ══════════════════════════════════════════════
   MẶT BẰNG MODULE
══════════════════════════════════════════════ */
.zones-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.zone-card {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  background: white;
}
.zone-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.zone-header {
  padding: 20px 24px;
  display: flex; align-items: center; gap: 16px;
}
.zone-number {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; color: white; flex-shrink: 0;
}
.zone-header h3 { font-size: 1rem; color: var(--dark); }
.zone-header span { font-size: 0.8rem; color: var(--gray-500); }
.zone-body { padding: 0 24px 20px; }
.zone-area {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--gray-600);
  margin-bottom: 10px;
}
.zone-area strong { color: var(--primary); font-size: 1rem; }
.zone-features { display: flex; flex-wrap: wrap; gap: 6px; }
.zone-tag {
  font-size: 0.75rem; padding: 3px 10px; border-radius: 50px;
  background: var(--gray-100); color: var(--gray-700); font-weight: 500;
}
.masterplan-visual {
  background: linear-gradient(135deg, #f0f4ff, #e8f0fe);
  border-radius: var(--radius-lg); padding: 40px;
  margin-bottom: 40px; text-align: center;
  border: 2px dashed var(--gray-200);
}
.masterplan-visual p { color: var(--gray-500); font-size: 0.9rem; margin-top: 12px; }

/* ══════════════════════════════════════════════
   SẢN PHẨM & GIÁ MODULE
══════════════════════════════════════════════ */
.product-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; justify-content: center; }
.product-tab {
  padding: 10px 24px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 600;
  border: 2px solid var(--gray-200);
  color: var(--gray-600);
  transition: var(--transition);
  background: white;
}
.product-tab.active, .product-tab:hover {
  border-color: var(--gold);
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: white;
}
.product-panels { }
.product-panel { display: none; }
.product-panel.active { display: block; animation: fadeIn 0.4s ease; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.product-card {
  background: white; border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-card-header {
  padding: 28px 24px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white; text-align: center; position: relative;
}
.product-card-header .badge {
  position: absolute; top: 16px; right: 16px;
  background: var(--gold); color: white;
  font-size: 0.7rem; font-weight: 700;
  padding: 4px 10px; border-radius: 50px;
}
.product-type { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2px; color: rgba(255,255,255,0.7); margin-bottom: 4px; }
.product-name { font-size: 1.2rem; font-weight: 700; }
.product-price {
  font-size: 1.6rem; font-weight: 800;
  color: var(--gold-light); margin: 8px 0 4px;
}
.product-price-unit { font-size: 0.8rem; color: rgba(255,255,255,0.7); }
.product-card-body { padding: 20px 24px; }
.product-specs { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.spec-item { text-align: center; flex: 1; min-width: 60px; }
.spec-item .val { font-size: 1rem; font-weight: 700; color: var(--primary); display: block; }
.spec-item .key { font-size: 0.72rem; color: var(--gray-500); }
.product-features { display: flex; flex-direction: column; gap: 8px; }
.product-feature {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--gray-700);
}
.product-feature::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.price-note {
  background: linear-gradient(135deg, #fff7e6, #fef3c7);
  border: 1px solid #fcd34d;
  border-radius: var(--radius);
  padding: 20px 24px; margin-top: 32px;
  display: flex; gap: 12px; align-items: flex-start;
}
.price-note .icon { font-size: 1.5rem; flex-shrink: 0; }
.price-note p { margin: 0; font-size: 0.88rem; color: var(--gray-700); }

/* ══════════════════════════════════════════════
   TIỆN ÍCH MODULE
══════════════════════════════════════════════ */
.amenity-cats { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 40px; }
.amenity-cat-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius);
  border: 2px solid var(--gray-200); background: white;
  font-size: 0.88rem; font-weight: 600; color: var(--gray-600);
  transition: var(--transition);
}
.amenity-cat-btn.active, .amenity-cat-btn:hover {
  border-color: var(--primary);
  background: var(--primary); color: white;
}
.amenities-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.amenity-item {
  background: white; border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 20px;
  transition: var(--transition); display: flex; gap: 14px;
}
.amenity-item:hover { border-color: var(--gold); box-shadow: var(--shadow); }
.amenity-icon { font-size: 2rem; flex-shrink: 0; }
.amenity-info h4 { font-size: 0.95rem; margin-bottom: 4px; }
.amenity-info p { font-size: 0.82rem; margin: 0; }
.amenity-scale { font-size: 0.75rem; color: var(--primary); font-weight: 600; margin-top: 4px; display: block; }

/* ══════════════════════════════════════════════
   PHÁP LÝ & TIẾN ĐỘ MODULE
══════════════════════════════════════════════ */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute;
  left: 12px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--primary), var(--gray-200));
}
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-dot {
  position: absolute; left: -26px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid white; box-shadow: 0 0 0 3px var(--gold);
}
.timeline-dot.done { background: var(--green); box-shadow: 0 0 0 3px var(--green); }
.timeline-dot.progress { background: var(--gold); }
.timeline-dot.future { background: var(--gray-300); box-shadow: 0 0 0 3px var(--gray-300); }
.timeline-date { font-size: 0.8rem; color: var(--gold-dark); font-weight: 700; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 1px; }
.timeline-content {
  background: white; border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); padding: 16px 20px;
}
.timeline-content h4 { font-size: 0.95rem; color: var(--dark); margin-bottom: 6px; }
.timeline-content p { font-size: 0.85rem; margin: 0; }
.legal-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-bottom: 40px; }
.legal-card {
  background: white; border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 24px;
  display: flex; gap: 14px; align-items: flex-start;
  transition: var(--transition);
}
.legal-card:hover { border-color: var(--green); box-shadow: var(--shadow); }
.legal-card-icon { font-size: 2rem; flex-shrink: 0; }
.legal-card h4 { font-size: 0.95rem; margin-bottom: 6px; }
.legal-card p { font-size: 0.85rem; margin: 0; }

/* ══════════════════════════════════════════════
   PHÂN TÍCH ĐẦU TƯ MODULE
══════════════════════════════════════════════ */
.invest-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.invest-card {
  background: white; border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); overflow: hidden;
  transition: var(--transition);
}
.invest-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.invest-card-header {
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
  border-bottom: 1px solid var(--gray-200);
}
.invest-card-header h3 { font-size: 1rem; color: var(--dark); display: flex; align-items: center; gap: 10px; }
.invest-card-body { padding: 20px 24px; }
.growth-bar { margin-bottom: 16px; }
.growth-label { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 6px; }
.growth-track {
  height: 8px; background: var(--gray-100);
  border-radius: 50px; overflow: hidden;
}
.growth-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-dark));
  border-radius: 50px;
  transition: width 1s ease;
}
.risk-items { display: flex; flex-direction: column; gap: 12px; }
.risk-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px; border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.risk-pro { background: #f0fdf4; border-left: 3px solid var(--green); }
.risk-con { background: #fff7ed; border-left: 3px solid #f97316; }
.risk-icon { font-size: 1rem; flex-shrink: 0; }
.comparison-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.comparison-table th {
  background: var(--primary); color: white;
  padding: 12px 16px; text-align: left; font-weight: 600;
}
.comparison-table td { padding: 12px 16px; border-bottom: 1px solid var(--gray-100); }
.comparison-table tr:hover td { background: var(--gray-50); }
.comparison-table .winner { color: var(--green); font-weight: 700; }
.roi-highlight {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: white; border-radius: var(--radius);
  padding: 24px; text-align: center;
  margin-top: 24px;
}
.roi-highlight .big-num { font-size: 3rem; font-weight: 800; display: block; }
.roi-highlight p { color: rgba(255,255,255,0.85); margin: 4px 0 0; font-size: 0.9rem; }

/* ══════════════════════════════════════════════
   Q&A MODULE
══════════════════════════════════════════════ */
.qa-search {
  position: relative; max-width: 600px; margin: 0 auto 40px;
}
.qa-search input {
  width: 100%; padding: 16px 20px 16px 52px;
  border-radius: 50px; border: 2px solid var(--gray-200);
  font-size: 0.95rem; font-family: inherit;
  transition: var(--transition);
  background: white;
}
.qa-search input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(0,53,128,0.1); }
.qa-search-icon {
  position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  font-size: 1.2rem; color: var(--gray-400);
}
.qa-cats { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 32px; }
.qa-cat-btn {
  padding: 8px 20px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 600;
  border: 2px solid var(--gray-200); background: white;
  color: var(--gray-600); transition: var(--transition);
}
.qa-cat-btn.active, .qa-cat-btn:hover {
  border-color: var(--primary); background: var(--primary); color: white;
}
.qa-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.qa-item {
  background: white; border: 1px solid var(--gray-200);
  border-radius: var(--radius); overflow: hidden;
  transition: var(--transition);
}
.qa-item.open { border-color: var(--primary); box-shadow: var(--shadow); }
.qa-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; cursor: pointer;
  user-select: none;
}
.qa-question-text { font-weight: 600; font-size: 0.95rem; color: var(--dark); flex: 1; }
.qa-toggle {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--gray-100); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--gray-600);
  transition: var(--transition); margin-left: 16px;
}
.qa-item.open .qa-toggle { background: var(--primary); color: white; transform: rotate(45deg); }
.qa-answer {
  padding: 0 24px; max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.qa-item.open .qa-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}
.qa-answer-inner {
  padding-top: 12px; border-top: 1px solid var(--gray-100);
  font-size: 0.9rem; color: var(--gray-700); line-height: 1.8;
}
.qa-answer-inner ul { margin: 8px 0; padding-left: 16px; }
.qa-answer-inner ul li { margin-bottom: 4px; list-style: disc; }
.qa-cat-label {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px;
  color: var(--gold-dark); font-weight: 700;
  background: rgba(201,153,59,0.1); padding: 2px 8px; border-radius: 4px;
  margin-bottom: 4px; display: inline-block;
}

/* ══════════════════════════════════════════════
   TỪ KHÓA MODULE
══════════════════════════════════════════════ */
.keyword-hero {
  background: linear-gradient(135deg, var(--dark), var(--gray-800));
  border-radius: var(--radius-lg); padding: 40px;
  margin-bottom: 32px; color: white; text-align: center;
}
.keyword-hero h3 { color: var(--gold-light); font-size: 1.5rem; margin-bottom: 8px; }
.keyword-hero p { color: var(--gray-400); margin: 0; }
.keyword-primary { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 24px; }
.kw-primary-tag {
  padding: 12px 24px; border-radius: 50px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: white; font-weight: 700; font-size: 1rem;
  box-shadow: var(--shadow-gold);
}
.keyword-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.keyword-card {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--gray-200); overflow: hidden;
}
.keyword-card-header {
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
}
.keyword-card-header h4 { font-size: 0.95rem; display: flex; align-items: center; gap: 8px; }
.keyword-list { padding: 16px 20px; display: flex; flex-direction: column; gap: 10px; }
.keyword-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}
.keyword-row:last-child { border-bottom: none; }
.kw-text { font-size: 0.88rem; font-weight: 500; color: var(--gray-800); flex: 1; }
.kw-vol {
  font-size: 0.78rem; color: var(--primary); font-weight: 700;
  background: rgba(0,53,128,0.08); padding: 3px 10px; border-radius: 50px;
  white-space: nowrap;
}
.kw-diff {
  font-size: 0.75rem; font-weight: 700;
  padding: 2px 8px; border-radius: 4px;
}
.kw-high { background: #fee2e2; color: #991b1b; }
.kw-med { background: #fef3c7; color: #92400e; }
.kw-low { background: #d1fae5; color: #065f46; }
.seo-tips { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
.seo-tip {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--gray-50); border-radius: var(--radius-sm);
  padding: 16px 20px;
}
.seo-tip-icon { font-size: 1.3rem; flex-shrink: 0; }
.seo-tip h5 { font-size: 0.9rem; margin-bottom: 4px; }
.seo-tip p { font-size: 0.82rem; margin: 0; }

/* ══════════════════════════════════════════════
   KHÁCH HÀNG MỤC TIÊU MODULE
══════════════════════════════════════════════ */
.segments-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.segment-card {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-200); transition: var(--transition);
  background: white;
}
.segment-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.segment-header {
  padding: 24px; text-align: center;
  position: relative;
}
.segment-avatar {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; margin: 0 auto 12px;
  background: rgba(255,255,255,0.2);
}
.segment-header h3 { color: white; font-size: 1.1rem; margin-bottom: 4px; }
.segment-header span { color: rgba(255,255,255,0.8); font-size: 0.8rem; }
.segment-body { padding: 20px 24px; }
.segment-needs { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.segment-need {
  display: flex; gap: 8px; align-items: flex-start;
  font-size: 0.85rem; color: var(--gray-700);
}
.segment-need::before { content: '▸'; color: var(--gold); flex-shrink: 0; }
.segment-products { display: flex; flex-wrap: wrap; gap: 6px; }
.seg-product-tag {
  font-size: 0.75rem; padding: 3px 10px; border-radius: 50px;
  background: var(--gray-100); color: var(--gray-700); font-weight: 500;
}
.seg-msg {
  background: linear-gradient(135deg, rgba(201,153,59,0.1), rgba(201,153,59,0.05));
  border: 1px solid rgba(201,153,59,0.2);
  border-radius: var(--radius-sm); padding: 12px 16px;
  font-size: 0.83rem; color: var(--gold-dark); font-style: italic;
  margin-top: 12px;
}

/* ══════════════════════════════════════════════
   CONTACT / CTA
══════════════════════════════════════════════ */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute;
  top: -100px; right: -100px; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,153,59,0.15), transparent);
}
.cta-inner { text-align: center; position: relative; z-index: 1; padding: 80px 0; }
.cta-inner h2 { color: white; margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,0.75); font-size: 1.05rem; margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-bottom: 32px; }
.contact-channels { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.contact-channel {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius); padding: 14px 20px;
  color: white; font-size: 0.9rem; font-weight: 600;
  transition: var(--transition);
}
.contact-channel:hover { background: rgba(255,255,255,0.2); }
.contact-channel .ch-icon { font-size: 1.3rem; }
.contact-form-section { background: white; border-radius: var(--radius-lg); padding: 40px; margin-top: 40px; max-width: 640px; margin-left: auto; margin-right: auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px;
  border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: 0.9rem; font-family: inherit;
  transition: var(--transition); background: white;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0,53,128,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit { width: 100%; }
.form-note { text-align: center; font-size: 0.8rem; color: var(--gray-500); margin-top: 12px; }

/* ══════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════ */
footer {
  background: var(--dark); color: var(--gray-400);
  padding: 60px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; margin: 16px 0; }
.footer-legal { font-size: 0.78rem; color: var(--gray-500); }
.footer-col h5 { color: white; font-size: 0.9rem; margin-bottom: 16px; font-weight: 600; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 0.85rem; transition: var(--transition); }
.footer-links a:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; margin: 0; }
.footer-disclaimer {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 16px 20px; margin-bottom: 24px;
  font-size: 0.78rem; color: var(--gray-500); line-height: 1.6;
}

/* ══════════════════════════════════════════════
   FLOATING ELEMENTS
══════════════════════════════════════════════ */
.floating-cta {
  position: fixed; right: 24px; bottom: 24px; z-index: 900;
  display: flex; flex-direction: column; gap: 12px;
  align-items: flex-end;
}
.float-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px; border-radius: 50px;
  font-weight: 700; font-size: 0.9rem; color: white;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  white-space: nowrap;
}
.float-btn:hover { transform: scale(1.05) translateX(-4px); }
.float-phone { background: linear-gradient(135deg, #059669, #047857); }
.float-zalo { background: linear-gradient(135deg, #0068ff, #0050cc); }
.float-btn .pulse-ring {
  position: absolute; inset: 0; border-radius: 50px;
  border: 2px solid currentColor; animation: pulseRing 2s infinite;
}

/* ══════════════════════════════════════════════
   BACK TO TOP
══════════════════════════════════════════════ */
#back-to-top {
  position: fixed; left: 24px; bottom: 24px; z-index: 900;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none;
  transition: var(--transition);
}
#back-to-top.visible { opacity: 1; pointer-events: auto; }
#back-to-top:hover { background: var(--primary-light); transform: translateY(-3px); }

/* ══════════════════════════════════════════════
   PROGRESS BAR
══════════════════════════════════════════════ */
#read-progress {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 2000;
  background: linear-gradient(90deg, var(--gold), var(--gold-dark));
  width: 0%; transition: width 0.1s linear;
}

/* ══════════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════════ */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-10px); } }
@keyframes pulseRing { 0% { opacity: 0.8; transform: scale(1); } 100% { opacity: 0; transform: scale(1.5); } }

.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .location-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .nav-logo-img { max-height: 38px; max-width: min(200px, 52vw); }
  .nav-logo-img--footer { max-height: 44px; max-width: 220px; }
  .nav-menu { display: none; }
  .nav-menu.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 0; top: 64px;
    background: var(--primary-dark);
    padding: 24px; gap: 8px; z-index: 999;
  }
  .nav-link { padding: 12px 16px; font-size: 1rem; }
  .hamburger { display: flex; }
  .hero-stats { justify-content: center; }
  .hero-stat { min-width: 100px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .floating-cta { right: 16px; bottom: 16px; }
  .float-btn span.text { display: none; }
  .float-btn { padding: 14px; border-radius: 50%; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .product-tabs { gap: 4px; }
  .product-tab { padding: 8px 14px; font-size: 0.82rem; }
}

/* ══════════════════════════════════════════════
   UTILITY
══════════════════════════════════════════════ */
.text-gold { color: var(--gold); }
.text-primary { color: var(--primary); }
.text-green { color: var(--green); }
.text-center { text-align: center; }
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-24 { margin-bottom: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }