/* ========================================
   AI BUSINESS MASTERY v2.0 — SALES PAGE CSS
   Dark Premium + Gold + Orange Gradient
   Bám sát 100% nội dung Offer v2.0
   ======================================== */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0a0e1a;
  color: #e2e8f0;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
.container { max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* === CSS VARIABLES === */
:root {
  --bg-dark: #0a0e1a;
  --bg-card: #111827;
  --bg-section: #0f172a;
  --bg-alt: #1e293b;
  --gold: #facc15;
  --gold-dim: rgba(250,204,21,0.15);
  --orange: #ff6b35;
  --orange2: #f7931e;
  --red: #ef4444;
  --green: #22c55e;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(255,255,255,0.08);
  --glow-gold: 0 0 30px rgba(250,204,21,0.15);
  --glow-orange: 0 0 20px rgba(255,107,53,0.3);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 { font-weight: 800; line-height: 1.25; }
h2 { font-size: 1.5rem; text-align: center; margin-bottom: 10px; }
h2 .gold { color: var(--gold); }
.section-line {
  width: 60px; height: 3px; margin: 12px auto 30px;
  background: linear-gradient(90deg, var(--gold), var(--orange));
  border-radius: 2px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 600px;
  margin: -10px auto 30px;
  line-height: 1.6;
}

/* === ANIMATIONS === */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,53,0.5); }
  50% { box-shadow: 0 0 0 15px rgba(255,107,53,0); }
}
@keyframes pulseRing {
  0%, 100% { box-shadow: 0 0 0 0 rgba(250,204,21,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(250,204,21,0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.7); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes countBlink {
  0%, 100% { color: var(--gold); }
  50% { color: #fff; }
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Scroll reveal */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-left.visible, .reveal-right.visible { opacity: 1; transform: translateX(0); }

/* === CTA BUTTONS === */
.cta-btn {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: 18px 24px;
  background: linear-gradient(135deg, var(--orange), var(--orange2));
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  animation: pulse 2s infinite;
  box-shadow: 0 4px 15px rgba(255,107,53,0.4);
  transition: transform 0.3s, box-shadow 0.3s;
  letter-spacing: 0.5px;
}
.cta-btn:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 25px rgba(255,107,53,0.5);
}
.cta-btn-secondary {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: 14px 24px;
  background: transparent;
  color: var(--gold);
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid var(--gold);
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 10px;
}
.cta-btn-secondary:hover {
  background: rgba(250,204,21,0.1);
  transform: scale(1.02);
}

/* =====================================================
   SECTION 1 — HERO
   ===================================================== */
.hero {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0f172a 100%);
  padding: 60px 20px 40px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -30%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(250,204,21,0.06), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,107,53,0.04), transparent 70%);
  pointer-events: none;
}
.hero-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}
.hero-badge {
  display: inline-block;
  background: rgba(250,204,21,0.1);
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid rgba(250,204,21,0.3);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
}
.hero-title {
  font-size: 2rem;
  color: #fff;
  text-align: center;
  line-height: 1.15;
}
.hero-title .highlight {
  color: var(--gold);
  display: block;
  font-size: 2.5rem;
}
.hero-tagline {
  font-size: 1.1rem;
  color: var(--gold);
  text-align: center;
  font-style: italic;
  opacity: 0.9;
}
.hero-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.7;
}
.hero-photo-wrapper {
  position: relative;
  width: 240px;
}
.hero-photo {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(250,204,21,0.12);
  animation: float 4s ease-in-out infinite;
}
.hero-name-tag {
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15,23,42,0.95);
  border: 1px solid rgba(250,204,21,0.3);
  padding: 8px 20px;
  border-radius: 30px;
  text-align: center;
  backdrop-filter: blur(10px);
  white-space: nowrap;
}
.hero-name-tag strong { color: var(--gold); font-size: 0.85rem; display: block; }
.hero-name-tag span { color: var(--text-secondary); font-size: 0.7rem; }
.hero-spots {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 8px;
}
.hero-spots strong { color: var(--gold); }

@media (min-width: 768px) {
  .hero { padding: 80px 40px 60px; }
  .hero-layout { flex-direction: row; text-align: left; }
  .hero-badge, .hero-title, .hero-tagline, .hero-desc { text-align: left; }
  .hero-desc { margin: 0; }
  .hero-title { font-size: 2.6rem; }
  .hero-title .highlight { font-size: 3.2rem; }
  .hero-photo-wrapper { width: 300px; flex-shrink: 0; }
}

/* =====================================================
   SECTION 2 — PRICE BAR
   ===================================================== */
.price-bar {
  background: linear-gradient(135deg, #e53935, var(--orange));
  padding: 24px 20px;
  text-align: center;
}
.price-current {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.price-original {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  text-decoration: line-through;
  margin-top: 4px;
}
.price-badge {
  display: inline-block;
  background: #fff;
  color: #e53935;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-left: 8px;
  animation: blink 1.5s infinite;
}
.price-urgency {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.9);
  margin-top: 10px;
}
.price-cta {
  display: inline-block;
  background: #fff;
  color: #e53935;
  padding: 10px 30px;
  border-radius: 25px;
  font-weight: 700;
  margin-top: 12px;
  font-size: 0.9rem;
  transition: transform 0.3s;
  cursor: pointer;
}
.price-cta:hover { transform: scale(1.05); }

/* =====================================================
   SECTION 3 — NỖI ĐAU (Pain Points)
   ===================================================== */
.pain-section {
  background: var(--bg-section);
  padding: 50px 20px;
}
.pain-pairs {
  max-width: 650px;
  margin: 0 auto 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.pain-card {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.15);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  transition: transform 0.3s;
}
.pain-card:hover { transform: translateY(-3px); }
.pain-card .label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.pain-card .has { color: #fff; font-weight: 700; font-size: 0.9rem; }
.pain-card .but { color: var(--red); font-weight: 700; font-size: 0.85rem; margin-top: 4px; }
.pain-card .vs { color: var(--text-muted); font-size: 0.7rem; margin: 4px 0; }

/* 5 Pain points */
.pain-list {
  max-width: 650px;
  margin: 0 auto;
}
.pain-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(239,68,68,0.1);
}
.pain-num {
  width: 32px; height: 32px; min-width: 32px;
  border-radius: 50%;
  background: rgba(239,68,68,0.15);
  color: var(--red);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pain-item h4 {
  font-size: 0.9rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 4px;
}
.pain-item p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Root Cause box */
.root-cause {
  max-width: 650px;
  margin: 30px auto 0;
  background: rgba(250,204,21,0.04);
  border: 1px solid rgba(250,204,21,0.15);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}
.root-cause p {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.8;
}
.root-cause strong { color: var(--gold); }
.root-cause .stat {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.root-cause .stat em {
  color: var(--gold);
  font-style: normal;
  font-weight: 800;
  font-size: 1.1rem;
}

/* =====================================================
   SECTION 4 — BANNER QUOTE
   ===================================================== */
.banner-highlight {
  background: #000;
  padding: 50px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.banner-highlight::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(250,204,21,0.05), transparent 70%);
}
.banner-quote {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold);
  font-style: italic;
  line-height: 1.5;
  max-width: 600px;
  margin: 0 auto 16px;
  position: relative;
}
.banner-sub {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
}

/* =====================================================
   SECTION 5 — TẦM NHÌN (AI First Vision)
   ===================================================== */
.vision-section {
  background: var(--bg-alt);
  padding: 50px 20px;
}
.vision-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 650px;
  margin: 0 auto 30px;
}
.vision-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid rgba(250,204,21,0.08);
  border-radius: 12px;
  padding: 16px;
  transition: transform 0.3s, border-color 0.3s;
}
.vision-card:hover {
  transform: translateY(-3px);
  border-color: rgba(250,204,21,0.25);
}
.vision-icon {
  width: 44px; height: 44px; min-width: 44px;
  border-radius: 12px;
  background: rgba(250,204,21,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}
.vision-card h4 { font-size: 0.88rem; color: #fff; margin-bottom: 4px; }
.vision-card p { font-size: 0.8rem; color: var(--text-secondary); }

/* Comparison Table */
.compare-table {
  max-width: 650px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(250,204,21,0.15);
}
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  font-size: 0.78rem;
}
.compare-row.header > div {
  padding: 12px 10px;
  font-weight: 700;
  text-align: center;
}
.compare-row.header .old-col { background: rgba(239,68,68,0.08); color: var(--red); }
.compare-row.header .new-col { background: rgba(34,197,94,0.08); color: var(--green); }
.compare-row > div {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.compare-row .old-col { color: var(--text-secondary); }
.compare-row .new-col { color: var(--text-primary); }
.compare-row:last-child .old-col { font-weight: 700; color: var(--red); border-bottom: none; }
.compare-row:last-child .new-col { font-weight: 700; color: var(--green); border-bottom: none; }

/* =====================================================
   SECTION 6 — 4 PHÒNG BAN AI
   ===================================================== */
.departments {
  background: var(--bg-section);
  padding: 50px 20px;
}
.dept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}
.dept-card {
  background: var(--bg-card);
  border: 1px solid rgba(250,204,21,0.12);
  border-radius: 16px;
  padding: 20px 16px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.dept-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(250,204,21,0.1);
}
.dept-icon {
  width: 70px; height: 70px;
  border-radius: 50%;
  border: 3px solid var(--gold);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: rgba(250,204,21,0.06);
}
.dept-card h3 { font-size: 0.88rem; color: #fff; margin-bottom: 6px; }
.dept-card p { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }
.dept-card ul {
  list-style: none;
  text-align: left;
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.dept-card ul li {
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}
.dept-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* =====================================================
   SECTION 7 — ĐỐI TƯỢNG (For / Not For)
   ===================================================== */
.audience-section {
  background: var(--bg-alt);
  padding: 50px 20px;
}
.audience-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 650px;
  margin: 0 auto;
}
@media (min-width: 600px) {
  .audience-split { grid-template-columns: 1fr 1fr; }
}
.audience-box {
  border-radius: 16px;
  padding: 20px;
}
.audience-box.for-box {
  background: rgba(34,197,94,0.05);
  border: 1px solid rgba(34,197,94,0.2);
}
.audience-box.not-box {
  background: rgba(239,68,68,0.04);
  border: 1px solid rgba(239,68,68,0.15);
}
.audience-box h3 {
  font-size: 0.9rem;
  margin-bottom: 12px;
  text-align: center;
}
.for-box h3 { color: var(--green); }
.not-box h3 { color: var(--red); }
.audience-box ul {
  list-style: none;
  font-size: 0.82rem;
}
.audience-box ul li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.audience-box ul li:last-child { border-bottom: none; }
.for-box ul li::before {
  content: '✅';
  position: absolute;
  left: 0;
  font-size: 0.7rem;
}
.not-box ul li::before {
  content: '❌';
  position: absolute;
  left: 0;
  font-size: 0.7rem;
}

/* =====================================================
   SECTION 8 — LỘ TRÌNH 4 MODULE
   ===================================================== */
.roadmap {
  background: var(--bg-section);
  padding: 50px 20px;
}
.roadmap-list {
  max-width: 650px;
  margin: 0 auto;
  position: relative;
}
.roadmap-list::before {
  content: '';
  position: absolute;
  left: 22px; top: 0; bottom: 0;
  width: 2px;
  background: rgba(250,204,21,0.15);
}
.roadmap-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  position: relative;
}
.roadmap-num {
  width: 44px; height: 44px; min-width: 44px;
  border-radius: 50%;
  background: var(--gold);
  color: #000;
  font-size: 1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 10px rgba(250,204,21,0.3);
  z-index: 1;
}
.roadmap-item h3 { font-size: 1rem; color: #fff; margin-bottom: 6px; }
.roadmap-item .subtitle { font-size: 0.82rem; color: var(--gold); font-style: italic; margin-bottom: 8px; }
.roadmap-item p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.roadmap-output {
  background: rgba(250,204,21,0.04);
  border-left: 3px solid var(--gold);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--gold);
}
.roadmap-value {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.roadmap-image {
  width: 100%;
  border-radius: 12px;
  margin-top: 12px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}
.roadmap-summary {
  max-width: 500px;
  margin: 24px auto 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.roadmap-summary strong { color: var(--gold); }

/* =====================================================
   SECTION 9 — VALUE STACK
   ===================================================== */
.value-stack {
  background: var(--bg-alt);
  padding: 50px 20px;
}
.value-list {
  max-width: 650px;
  margin: 0 auto;
}
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s, padding-left 0.2s;
}
.value-item:hover {
  background: rgba(250,204,21,0.02);
  padding-left: 8px;
  border-radius: 8px;
}
.value-check {
  width: 30px; height: 30px; min-width: 30px;
  border-radius: 50%;
  background: var(--gold);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.value-item h4 { font-size: 0.88rem; color: var(--gold); font-weight: 700; margin-bottom: 4px; }
.value-item p { font-size: 0.85rem; color: var(--text-primary); line-height: 1.6; }
.value-item .sub { color: var(--text-muted); font-size: 0.78rem; margin-top: 4px; display: block; }
.value-item.bonus-item {
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 12px;
  padding: 16px;
  background: rgba(239,68,68,0.03);
  margin-top: 10px;
}
.value-item.bonus-item .value-check { background: #e53935; color: #fff; }

/* Value total box */
.value-total {
  max-width: 500px;
  margin: 30px auto 0;
  background: rgba(250,204,21,0.05);
  border: 1px solid rgba(250,204,21,0.2);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}
.value-total-label { color: var(--text-secondary); font-size: 0.85rem; }
.value-total-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  margin: 8px 0;
}
.value-total-price { font-size: 1.1rem; color: #fff; }
.value-total-price .red {
  color: #ef4444;
  text-decoration: line-through;
  margin-right: 8px;
}
.value-total-price .green {
  color: #22c55e;
  font-weight: 800;
  font-size: 1.4rem;
}
.value-total-save {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* =====================================================
   SECTION 10 — PRICE KNOCKDOWN
   ===================================================== */
.knockdown {
  background: var(--bg-section);
  padding: 50px 20px;
}
.knockdown-list {
  max-width: 550px;
  margin: 0 auto;
}
.knockdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.knockdown-row .item { color: var(--text-secondary); }
.knockdown-row .price { color: var(--red); text-decoration: line-through; font-weight: 600; }
.knockdown-total {
  margin-top: 20px;
  padding: 20px;
  text-align: center;
  background: rgba(239,68,68,0.05);
  border-radius: 12px;
  border: 1px solid rgba(239,68,68,0.2);
}
.knockdown-total .old-price {
  font-size: 1.4rem;
  color: var(--red);
  text-decoration: line-through;
  font-weight: 800;
}
.knockdown-arrow {
  font-size: 2rem;
  color: var(--gold);
  margin: 12px 0;
}
.knockdown-final {
  max-width: 550px;
  margin: 20px auto 0;
  padding: 24px;
  background: linear-gradient(135deg, rgba(34,197,94,0.08), rgba(250,204,21,0.08));
  border: 2px solid var(--gold);
  border-radius: 16px;
  text-align: center;
}
.knockdown-final .new-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--gold);
  animation: countBlink 2s ease infinite;
}
.knockdown-final .per-day {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 8px;
}
.knockdown-addon {
  max-width: 550px;
  margin: 16px auto 0;
  padding: 16px;
  background: rgba(250,204,21,0.04);
  border: 1px solid rgba(250,204,21,0.15);
  border-radius: 12px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.knockdown-addon strong { color: var(--gold); }

/* =====================================================
   SECTION 11 — CREDENTIALS
   ===================================================== */
.credentials {
  background: var(--bg-alt);
  padding: 50px 20px;
}
.cred-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}
.cred-card {
  background: var(--bg-section);
  border: 1px solid rgba(250,204,21,0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.cred-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.cred-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.cred-card .cred-caption {
  padding: 10px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  color: var(--gold);
}
.cred-wide { grid-column: span 2; }
.cred-wide img { aspect-ratio: 21/9; }

/* Credentials list (text style) */
.cred-stats {
  max-width: 650px;
  margin: 20px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.cred-stat {
  text-align: center;
  padding: 14px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.cred-stat .num { font-size: 1.4rem; font-weight: 800; color: var(--gold); }
.cred-stat .label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 4px; }

/* =====================================================
   SECTION 12 — CAM KẾT (Commitments)
   ===================================================== */
.commitments {
  background: var(--bg-section);
  padding: 50px 20px;
}
.commit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}
.commit-card {
  text-align: center;
  padding: 20px 12px;
}
.commit-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(250,204,21,0.08);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: transform 0.3s, background 0.3s;
}
.commit-card:hover .commit-icon {
  transform: scale(1.1);
  background: rgba(250,204,21,0.15);
}
.commit-card h3 {
  font-size: 0.82rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.commit-card p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .commit-grid { grid-template-columns: repeat(4, 1fr); }
}

/* =====================================================
   SECTION 13 — REVIEWS
   ===================================================== */
.reviews {
  background: var(--bg-alt);
  padding: 50px 20px;
}
.reviews-list {
  max-width: 650px;
  margin: 0 auto;
}
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  transition: transform 0.3s;
}
.review-card:hover { transform: translateY(-3px); }
.review-header {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.review-avatar {
  width: 40px; height: 40px; min-width: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.review-name { font-size: 0.88rem; font-weight: 700; color: #fff; }
.review-location { font-size: 0.75rem; color: var(--text-muted); font-weight: 400; }
.review-stars { font-size: 0.7rem; margin-top: 2px; }
.review-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  margin-bottom: 12px;
}
.review-reply {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(250,204,21,0.03);
  padding: 10px 14px;
  border-radius: 8px;
}
.review-reply strong { color: var(--gold); }

/* Typing indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
}
.typing-dots { display: flex; gap: 4px; }
.typing-dot {
  width: 6px; height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: bounce 1.2s infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

/* =====================================================
   SECTION 14 — FAQ
   ===================================================== */
.faq {
  background: var(--bg-section);
  padding: 50px 20px;
}
.faq-list {
  max-width: 650px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.faq-q {
  padding: 16px 30px 16px 0;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  position: relative;
  transition: color 0.2s;
}
.faq-q:hover { color: var(--gold); }
.faq-q::after {
  content: '+';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--gold);
  transition: transform 0.3s;
}
.faq-item.open .faq-q::after {
  content: '−';
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding: 0;
}
.faq-item.open .faq-a {
  max-height: 200px;
  padding: 0 0 16px;
}

/* =====================================================
   SECTION 15 — ORDER FORM + COUNTDOWN
   ===================================================== */
.order-section {
  background: var(--bg-alt);
  padding: 50px 20px;
}
.order-heading {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
.order-heading .pulse-text {
  animation: blink 2s infinite;
  color: var(--gold);
}

/* Countdown */
.countdown-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 16px 0 20px;
}
.countdown-box {
  width: 65px; height: 75px;
  background: rgba(255,107,53,0.15);
  border: 1px solid var(--gold);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(250,204,21,0.1);
}
.countdown-box .num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gold);
}
.countdown-box .label {
  font-size: 0.6rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 2px;
}
.order-urgency {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
}

/* Form */
.order-form {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.order-form input,
.order-form select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-alt);
  border: 1.5px solid #334155;
  border-radius: 10px;
  font-size: 0.9rem;
  color: #fff;
  font-family: 'Inter', sans-serif;
  margin-bottom: 12px;
  transition: border 0.2s, box-shadow 0.2s;
  outline: none;
}
.order-form input::placeholder { color: var(--text-muted); }
.order-form input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(250,204,21,0.1);
}

/* Radio options */
.combo-group { margin: 12px 0; }
.combo-option {
  padding: 14px;
  border: 2px solid #334155;
  background: var(--bg-alt);
  border-radius: 12px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.combo-option:hover { border-color: rgba(250,204,21,0.4); }
.combo-option.selected {
  border-color: var(--gold);
  background: rgba(250,204,21,0.04);
}
.combo-radio {
  width: 18px; height: 18px; min-width: 18px;
  border-radius: 50%;
  border: 2px solid #475569;
  margin-top: 3px;
  position: relative;
  transition: border-color 0.2s;
}
.combo-option.selected .combo-radio {
  border-color: var(--gold);
}
.combo-option.selected .combo-radio::after {
  content: '';
  width: 10px; height: 10px;
  background: var(--gold);
  border-radius: 50%;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.combo-option input[type="radio"] { display: none; }
.combo-label { flex: 1; }
.combo-label strong { color: #fff; font-size: 0.88rem; display: block; margin-bottom: 4px; }
.combo-label p { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }
.combo-price { color: var(--gold) !important; font-weight: 700 !important; font-size: 0.9rem !important; }
.badge-hot {
  display: inline-block;
  background: rgba(239,68,68,0.2);
  color: var(--red);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 400;
}
.badge-sale {
  display: inline-block;
  background: rgba(250,204,21,0.2);
  color: var(--gold);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 400;
}

/* Submit button */
.order-submit {
  width: 100%;
  padding: 18px;
  background: linear-gradient(135deg, var(--orange), var(--orange2));
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  animation: pulse 2s infinite;
  letter-spacing: 0.5px;
  font-family: 'Inter', sans-serif;
  transition: transform 0.3s;
}
.order-submit:hover { transform: scale(1.02); }

.order-trust {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* Bank info */
.bank-info {
  max-width: 480px;
  margin: 20px auto 0;
  background: var(--bg-card);
  border: 1px solid rgba(250,204,21,0.12);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.bank-info strong { color: var(--gold); }
.bank-info .bank-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}

/* =====================================================
   SECTION 16 — SOCIAL PROOF
   ===================================================== */
.social-proof {
  background: var(--bg-section);
  padding: 40px 20px;
}
.proof-image {
  width: 100%;
  border-radius: 16px;
  margin-bottom: -30px;
  position: relative;
  z-index: 1;
}
.proof-banner {
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(250,204,21,0.2);
  padding: 20px 24px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  position: relative;
  z-index: 2;
  margin: 0 20px;
}
.proof-number { font-size: 2rem; font-weight: 800; color: var(--gold); }
.proof-text { font-size: 0.85rem; color: rgba(255,255,255,0.8); margin-top: 4px; }
.proof-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}

/* =====================================================
   SECTION — FOOTER
   ===================================================== */
.footer {
  background: #050810;
  padding: 40px 20px;
  text-align: center;
}
.footer-brand {
  font-size: 1rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 10px;
}
.footer-info {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 2;
}
.footer-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 16px 0;
  font-size: 0.78rem;
}
.footer-links a {
  color: var(--text-secondary);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* =====================================================
   FLOATING ELEMENTS
   ===================================================== */
/* Phone Float */
.float-phone {
  position: fixed;
  bottom: 90px; right: 16px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 3px 12px rgba(34,197,94,0.4);
  animation: pulseRing 2s infinite;
  z-index: 999;
}

/* Sticky CTA bottom */
.sticky-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(135deg, var(--orange), var(--orange2));
  color: #fff;
  text-align: center;
  padding: 14px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  z-index: 998;
  box-shadow: 0 -3px 15px rgba(255,107,53,0.4);
  transition: transform 0.3s;
}
.sticky-cta:hover { filter: brightness(1.1); }
.sticky-cta.hidden { transform: translateY(100%); }

/* Order popup */
.order-popup {
  position: fixed;
  bottom: 60px; left: 16px;
  background: rgba(15,23,42,0.95);
  border: 1px solid rgba(250,204,21,0.2);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  transform: translateX(-120%);
  transition: transform 0.4s ease;
  z-index: 997;
  max-width: 320px;
}
.order-popup.show { transform: translateX(0); }
.popup-avatar {
  width: 36px; height: 36px; min-width: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.popup-text {
  font-size: 0.75rem;
  color: var(--text-primary);
  line-height: 1.5;
}
.popup-text .time { color: var(--text-muted); font-size: 0.65rem; }

/* Success Modal */
.success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.success-overlay.active { display: flex; }
.success-modal {
  background: var(--bg-card);
  border: 1px solid var(--gold);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  max-width: 350px;
  animation: scaleIn 0.3s ease;
}
.success-modal h3 { color: var(--gold); margin: 12px 0 8px; font-size: 1.2rem; }
.success-modal p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }
.close-btn {
  margin-top: 16px;
  padding: 10px 30px;
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: 25px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
}

/* =====================================================
   SECTION — 3 BƯỚC VẬN HÀNH
   ===================================================== */
.steps {
  background: var(--bg-section);
  padding: 50px 20px;
}
.steps-list {
  max-width: 650px;
  margin: 0 auto;
}
.step-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.step-num {
  width: 44px; height: 44px; min-width: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--orange2));
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 10px rgba(255,107,53,0.3);
}
.step-item h3 { font-size: 1rem; color: #fff; margin-bottom: 6px; }
.step-item p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.step-tip {
  max-width: 650px;
  margin: 20px auto 0;
  background: rgba(250,204,21,0.05);
  border-left: 3px solid var(--gold);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* =====================================================
   RESPONSIVE ADJUSTMENTS
   ===================================================== */
@media (max-width: 600px) {
  .pain-pairs { grid-template-columns: 1fr; }
  .dept-grid { grid-template-columns: 1fr; }
  .cred-grid { grid-template-columns: 1fr; }
  .cred-wide { grid-column: span 1; }
  .cred-wide img { aspect-ratio: 16/9; }
  .compare-row { font-size: 0.7rem; }
  h2 { font-size: 1.3rem; }
  .hero-title { font-size: 1.8rem; }
  .hero-title .highlight { font-size: 2.2rem; }
}