/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1a56db;
  --primary-dark: #1341a8;
  --primary-light: #e8f0fe;
  --gold: #f59e0b;
  --gold-dark: #d97706;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --gray: #64748b;
  --gray-light: #e2e8f0;
  --gray-bg: #f8fafc;
  --white: #ffffff;
  --success: #10b981;
  --danger: #ef4444;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.15);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all .25s cubic-bezier(.4,0,.2,1);
}

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

body {
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* =============================================
   TYPOGRAPHY
   ============================================= */
.gradient-text {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 50%, #1a56db 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: inherit;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(26,86,219,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,86,219,.45);
}

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

.btn-lg { padding: 16px 36px; font-size: 17px; border-radius: var(--radius-lg); }
.btn-full { width: 100%; }

.btn-header {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--white);
  padding: 10px 20px;
  font-size: 14px;
  border-radius: var(--radius);
  box-shadow: 0 3px 12px rgba(245,158,11,.3);
}
.btn-header:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245,158,11,.4); }

/* =============================================
   SECTION COMMON
   ============================================= */
.section { padding: 100px 0; }

.section-header { text-align: center; margin-bottom: 60px; }

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-light);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  flex-shrink: 0;
}
.logo-icon { font-size: 24px; }
.logo strong { color: var(--primary); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #1a1f6e 100%);
  padding: 100px 0 120px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,86,219,.25) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(245,158,11,.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,158,11,.15);
  border: 1px solid rgba(245,158,11,.3);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeInDown .6s ease;
}

.hero-title {
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 24px;
  animation: fadeInUp .7s ease .1s both;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,.75);
  max-width: 680px;
  margin: 0 auto 40px;
  animation: fadeInUp .7s ease .2s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
  animation: fadeInUp .7s ease .3s both;
}

.hero-actions .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,.4);
}
.hero-actions .btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.7);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  padding: 24px 48px;
  backdrop-filter: blur(10px);
  animation: fadeInUp .7s ease .4s both;
  flex-wrap: wrap;
  max-width: 760px;
  margin: 0 auto;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 36px;
}

.stat-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,.15);
}

/* =============================================
   PROCESS
   ============================================= */
.process-section { background: var(--gray-bg); }

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

.process-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  transition: var(--transition);
  overflow: hidden;
}

.process-card::before {
  content: attr(data-step);
  position: absolute;
  top: -12px; right: 20px;
  font-size: 72px;
  font-weight: 900;
  color: rgba(26,86,219,.06);
  line-height: 1;
  pointer-events: none;
}

.process-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26,86,219,.2);
}

.process-icon {
  font-size: 40px;
  margin-bottom: 20px;
}

.process-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.process-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.75;
}

/* =============================================
   FEATURES
   ============================================= */
.features-section { background: var(--white); }

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.features-left .section-title { text-align: left; margin-bottom: 16px; }
.features-left p { color: var(--gray); margin-bottom: 32px; }

.feature-list { display: flex; flex-direction: column; gap: 24px; }

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-item strong {
  display: block;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.feature-item p { font-size: 14px; color: var(--gray); }

.compare-card {
  background: var(--dark-2);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-xl);
}

.compare-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
  text-align: center;
}

.compare-table { display: flex; flex-direction: column; gap: 2px; }

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
}

.compare-row > div {
  background: rgba(255,255,255,.05);
  padding: 12px 16px;
  font-size: 14px;
  color: rgba(255,255,255,.75);
  border-radius: 6px;
  text-align: center;
}

.compare-row.header-row > div {
  background: rgba(26,86,219,.3);
  color: var(--white);
  font-weight: 700;
}

.compare-row .good { color: #4ade80; background: rgba(74,222,128,.1); }
.compare-row .bad { color: #fb923c; background: rgba(251,146,60,.1); }
.compare-row .mid { color: var(--gold); background: rgba(245,158,11,.1); }

/* =============================================
   PRICING
   ============================================= */
.pricing-section { background: linear-gradient(180deg, var(--gray-bg) 0%, var(--white) 100%); }

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

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 2px solid var(--gray-light);
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card-vip {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  border-color: var(--gold);
  box-shadow: var(--shadow-xl);
  transform: scale(1.03);
}
.pricing-card-vip:hover { transform: scale(1.03) translateY(-4px); border-color: var(--gold); }

.vip-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: .06em;
}

.pricing-header { text-align: center; }

.pricing-icon { font-size: 48px; margin-bottom: 12px; }

.pricing-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.pricing-card-vip .pricing-header h3 { color: var(--white); }

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}

.price-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary);
}

.pricing-card-vip .price-num { color: var(--gold); }

.price-unit {
  font-size: 14px;
  color: var(--gray);
  font-weight: 600;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--dark-3);
  line-height: 1.5;
}

.pricing-card-vip .pricing-features li { color: rgba(255,255,255,.8); }

.pricing-features .check { color: var(--success); font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.pricing-features .star { color: var(--gold); font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.pricing-features .cross { color: var(--danger); font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.pricing-features li.no { opacity: .6; }

.pricing-card-vip .btn-primary { background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%); border-color: var(--gold); }

/* =============================================
   GALLERY
   ============================================= */
.gallery-section { background: var(--dark); }

.gallery-section .section-tag {
  background: rgba(245,158,11,.2);
  color: var(--gold);
}

.gallery-section .section-title { color: var(--white); }
.gallery-section .section-desc { color: rgba(255,255,255,.6); }

.gallery-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 20px;
  align-items: start;
}

.gallery-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.gallery-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(255,255,255,.08);
  cursor: zoom-in;
  background: var(--dark-2);
}

.gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}

.gallery-item-featured .gallery-img-wrap { min-height: 340px; }
.gallery-item:not(.gallery-item-featured) .gallery-img-wrap { min-height: 240px; }

.gallery-img-wrap:hover img { transform: scale(1.06); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,86,219,.6) 0%, rgba(15,23,42,.4) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .3s ease;
}

.gallery-img-wrap:hover .gallery-overlay { opacity: 1; }

.gallery-zoom {
  font-size: 36px;
  transform: scale(.7);
  transition: transform .3s ease;
}

.gallery-img-wrap:hover .gallery-zoom { transform: scale(1); }

.gallery-caption {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 4px;
}

.gallery-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16,185,129,.15);
  border: 1px solid rgba(16,185,129,.3);
  color: #4ade80;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  width: fit-content;
}

.gallery-caption p {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  line-height: 1.6;
}

/* Gallery 7 ảnh */
.gallery-grid-7 {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.g7-row1 {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr;
  gap: 16px;
}

.g7-row2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.g7-featured,
.g7-small,
.g7-equal {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.g7-featured .gallery-img-wrap { min-height: 320px; }
.g7-small .gallery-img-wrap { min-height: 220px; }
.g7-equal .gallery-img-wrap { min-height: 200px; }

@media (max-width: 1024px) {
  .g7-row1 { grid-template-columns: 1fr 1fr; }
  .g7-featured { grid-column: span 2; }
  .g7-row2 { grid-template-columns: repeat(2, 1fr); }
  .g7-featured .gallery-img-wrap { min-height: 260px; }
}

@media (max-width: 600px) {
  .g7-row1,
  .g7-row2 { grid-template-columns: 1fr; }
  .g7-featured { grid-column: span 1; }
  .g7-featured .gallery-img-wrap { min-height: 230px; }
  .g7-small .gallery-img-wrap,
  .g7-equal .gallery-img-wrap { min-height: 190px; }
}

.gallery-cta {
  margin-top: 48px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.gallery-cta p {
  font-size: 16px;
  color: rgba(255,255,255,.7);
}

.gallery-cta strong { color: var(--gold); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 80px rgba(0,0,0,.6);
  transform: scale(.9);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}

.lightbox.active img { transform: scale(1); }

.lightbox-close {
  position: fixed;
  top: 20px; right: 24px;
  font-size: 32px;
  color: var(--white);
  cursor: pointer;
  background: rgba(255,255,255,.12);
  border: none;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  z-index: 10000;
}

.lightbox-close:hover { background: rgba(255,255,255,.25); }

@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item-featured .gallery-img-wrap { min-height: 260px; }
  .gallery-item:not(.gallery-item-featured) .gallery-img-wrap { min-height: 200px; }
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonial-section { background: var(--gray-bg); }

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

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--gray-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.stars { color: var(--gold); font-size: 18px; letter-spacing: 2px; }

.testimonial-card p {
  font-size: 15px;
  color: var(--dark-3);
  line-height: 1.8;
  font-style: italic;
  flex: 1;
}

.testimonial-card p::before { content: '"'; }
.testimonial-card p::after { content: '"'; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
}
.testimonial-author span { font-size: 13px; color: var(--gray); }

/* =============================================
   BRANCHES
   ============================================= */
.branches-section { background: var(--white); }

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

.branch-card {
  background: linear-gradient(135deg, var(--primary-light) 0%, #eff6ff 100%);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid rgba(26,86,219,.12);
  text-align: center;
  transition: var(--transition);
}

.branch-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.branch-icon { font-size: 48px; margin-bottom: 20px; }

.branch-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.branch-card p { font-size: 14px; color: var(--gray); line-height: 1.75; }

/* =============================================
   FORM SECTION
   ============================================= */
.form-section { background: var(--gray-bg); }

.form-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.form-left .section-title { text-align: left; font-size: 28px; }
.form-left p { color: var(--gray); margin-bottom: 28px; }

.info-list {
  list-style: decimal;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.info-list li {
  font-size: 15px;
  color: var(--dark-3);
  line-height: 1.65;
}

.info-list li strong { color: var(--primary); }

.contact-form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-light);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-3);
  letter-spacing: .02em;
}

.form-group input,
.form-group select {
  padding: 12px 16px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 15px;
  color: var(--dark);
  background: var(--gray-bg);
  transition: var(--transition);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(26,86,219,.1);
}

.form-note {
  font-size: 13px;
  color: var(--gray);
  text-align: center;
}

/* =============================================
   COMMITMENT
   ============================================= */
.commitment-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
}

.commitment-section .section-tag {
  background: rgba(245,158,11,.2);
  color: var(--gold);
}

.commitment-section .section-title { color: var(--white); }
.commitment-section .section-desc { color: rgba(255,255,255,.6); }

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

.commitment-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
}

.commitment-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(245,158,11,.4);
  transform: translateY(-4px);
}

.commit-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.commitment-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: .04em;
  margin-bottom: 16px;
}

.commitment-card p { font-size: 15px; color: rgba(255,255,255,.65); line-height: 1.75; }

/* =============================================
   FAQ
   ============================================= */
.faq-section { background: var(--white); }

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26,86,219,.07);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover { background: var(--gray-bg); }
.faq-item.open .faq-question { background: var(--primary-light); color: var(--primary); }

.faq-arrow {
  font-size: 12px;
  flex-shrink: 0;
  transition: transform .3s ease;
}

.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}

.faq-item.open .faq-answer { max-height: 300px; }

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--dark-3);
  line-height: 1.8;
}

/* =============================================
   NEWS
   ============================================= */
.news-section { background: var(--gray-bg); }

.news-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 24px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--gray-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(26,86,219,.2);
  transform: translateY(-3px);
}

.news-card-featured {
  grid-row: span 2;
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 100%);
  border-color: transparent;
}

.news-card-featured h3 a, .news-card-featured p, .news-card-featured .read-more { color: rgba(255,255,255,.85) !important; }
.news-card-featured h3 { font-size: 22px; }

.news-tag {
  display: inline-block;
  background: rgba(245,158,11,.2);
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 4px 12px;
  border-radius: 100px;
  width: fit-content;
}

.news-card h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.news-card h3 a { color: var(--dark); transition: var(--transition); }
.news-card h3 a:hover { color: var(--primary); }

.news-card p { font-size: 14px; color: var(--gray); line-height: 1.7; flex: 1; }

.read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.read-more:hover { color: var(--primary-dark); }

/* =============================================
   DISCLAIMER
   ============================================= */
.disclaimer-section { background: var(--white); padding: 60px 0; }

.disclaimer-box {
  background: #fffbeb;
  border: 2px solid #fde68a;
  border-radius: var(--radius-xl);
  padding: 40px;
}

.disclaimer-box h3 {
  font-size: 18px;
  font-weight: 700;
  color: #92400e;
  margin-bottom: 16px;
}

.disclaimer-box p {
  font-size: 14px;
  color: #78350f;
  line-height: 1.8;
  margin-bottom: 12px;
}

.disclaimer-warning {
  background: rgba(239,68,68,.07);
  border-left: 4px solid #ef4444;
  padding: 16px 20px;
  border-radius: 8px;
  color: #991b1b !important;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer { background: var(--dark); padding: 80px 0 0; }

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col > p {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold);
  margin-bottom: 20px;
}

.footer-address {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-address li {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}

.footer-address strong { color: rgba(255,255,255,.85); }

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 4px;
}

.footer-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.6;
  transition: var(--transition);
}

.footer-btn strong { font-size: 16px; }

.footer-btn-call {
  background: rgba(26,86,219,.2);
  border: 1px solid rgba(26,86,219,.3);
  color: rgba(255,255,255,.85);
}
.footer-btn-call:hover { background: rgba(26,86,219,.35); }

.footer-btn-zalo {
  background: rgba(245,158,11,.15);
  border: 1px solid rgba(245,158,11,.3);
  color: rgba(255,255,255,.85);
}
.footer-btn-zalo:hover { background: rgba(245,158,11,.25); }

.footer-bottom {
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,.35);
  text-align: center;
}

.footer-bottom a {
  color: rgba(255,255,255,.55);
  transition: var(--transition);
}
.footer-bottom a:hover { color: var(--gold); }

/* =============================================
   FLOATING CTA
   ============================================= */
.floating-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  animation: pulse 2s ease infinite;
}

.float-call {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  animation-delay: 0s;
}

.float-zalo {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  animation-delay: .5s;
}

.float-btn:hover { transform: scale(1.15); box-shadow: var(--shadow-xl); }

.float-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(0,0,0,.2); }
  50% { box-shadow: 0 4px 30px rgba(26,86,219,.5); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; gap: 48px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .pricing-card-vip { transform: none; }
  .pricing-card-vip:hover { transform: translateY(-4px); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }

  .main-nav {
    display: none;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--gray-light);
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: flex; }
  .hamburger { display: flex; }
  .btn-header { display: none; }

  .hero-stats {
    padding: 20px 24px;
    gap: 8px;
  }
  .stat-item { padding: 8px 16px; }
  .stat-divider { display: none; }

  .testimonial-grid { grid-template-columns: 1fr; }
  .branches-grid { grid-template-columns: 1fr; }
  .commitment-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card-featured { grid-row: span 1; }

  .form-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 36px; }

  .hero-actions { flex-direction: column; align-items: stretch; max-width: 360px; margin: 0 auto 48px; }

  .floating-cta { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .section-title { font-size: 22px; }
  .contact-form { padding: 24px 20px; }
  .compare-card { padding: 24px 16px; }
}