/* ==========================================================================
   STYLE SHEET - ULTRA-PREMIUM LUXURY THEME (Production Version)
   ========================================================================== */

/* Typography & Fonts Import:
   - Playfair Display: Prestigious modern editorial serif for titles (magazine style)
   - Plus Jakarta Sans: Sleek, high-end geometric sans-serif for clean readability
*/
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600;1,700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Absolute Luxury Palette */
  --bg-primary: #040508;       /* Pure Obsidian Onyx Black */
  --bg-secondary: #0a0d16;     /* Deep Velvet Slate Blue */
  --bg-tertiary: #111624;      /* Medium Royal Slate Blue */
  
  --brand-red: #8c1318;        /* Prestige Royal Burgundy */
  --brand-red-rgb: 140, 19, 24;
  --brand-red-hover: #b3191f;  
  
  --brand-gold: #cca353;       /* Champagne Gold */
  --brand-gold-rgb: 204, 163, 83;
  --brand-gold-hover: #dfc384; /* Soft Champagne Highlight */
  --brand-gold-light: #f3e5c8; /* Platinum Gold Tint */
  
  --text-main: #f3f4f6;        /* Bone White */
  --text-muted: #9ca3af;       /* Platinum Gray */
  --text-dark: #07090e;        /* Deep Obsidian for button contrast */
  
  --border-color: rgba(204, 163, 83, 0.12); /* Delicate Gold border */
  --border-glow: rgba(204, 163, 83, 0.25);
  
  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-title: 'Playfair Display', Georgia, serif;
  
  /* Transitions */
  --transition-fast: 0.25s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-normal: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  
  /* Luxury Gradients */
  --gradient-gold: linear-gradient(135deg, #cca353 0%, #ecd29b 50%, #cca353 100%); /* Metallic Gold block */
  --gradient-burgundy: linear-gradient(135deg, #8c1318 0%, #5d0b0f 100%);
  --gradient-dark: linear-gradient(180deg, #040508 0%, #0a0d16 100%);
  --gradient-card: linear-gradient(145deg, #0a0d16 0%, #06080e 100%);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Ambient studio lighting elements */
body::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(204, 163, 83, 0.06) 0%, transparent 70%);
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
}

body::after {
  content: '';
  position: absolute;
  top: 50%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(140, 19, 24, 0.08) 0%, transparent 70%);
  filter: blur(150px);
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Premium Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 10px;
  border: 1px solid var(--border-color);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-gold);
}

/* ==========================================================================
   LANDING PAGE LAYOUT & STYLING
   ========================================================================== */
.landing-content {
  background-color: var(--bg-primary);
  width: 100%;
  position: relative;
}

/* ==========================================================================
   HEADER SECTION
   ========================================================================== */
.main-header {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  background: rgba(4, 5, 8, 0.85);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.15));
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.magazine-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.2px;
  color: #fff;
}

.magazine-sub {
  font-size: 0.65rem;
  color: var(--brand-gold);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Header CTA Button - Luxury Outline */
.header-cta-btn {
  border: 1px solid var(--brand-gold);
  color: var(--brand-gold);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 10px 20px;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.header-cta-btn:hover {
  background: var(--gradient-gold);
  color: var(--text-dark);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(204, 163, 83, 0.3);
}

/* ==========================================================================
   HERO SECTION (Elite Centered/Left Layout)
   ========================================================================== */
.hero-section {
  padding: 100px 0 80px 0;
  background: radial-gradient(circle at 75% 30%, rgba(140, 19, 24, 0.12) 0%, transparent 55%),
              radial-gradient(circle at 25% 75%, rgba(204, 163, 83, 0.08) 0%, transparent 55%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(204, 163, 83, 0.07);
  border: 1px solid rgba(204, 163, 83, 0.25);
  padding: 6px 16px;
  border-radius: 4px;
  width: fit-content;
  margin-bottom: 30px;
}

.hero-badge .badge-dot {
  width: 6px;
  height: 6px;
  background: var(--brand-gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-badge span {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--brand-gold-light);
}

.hero-title {
  font-family: var(--font-title);
  font-size: 3.2rem;
  line-height: 1.35;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title span.highlight-red {
  color: #fff;
  border-bottom: 2px solid var(--brand-red);
}

.hero-title span.highlight-gold {
  font-style: italic;
  font-weight: 600;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.85;
  border-left: 2px solid var(--brand-gold);
  padding-left: 20px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

/* Luxury Auto-Shine Button */
.btn-primary {
  background: var(--gradient-gold);
  color: var(--text-dark);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 18px 36px;
  border-radius: 4px;
  box-shadow: 0 8px 30px rgba(204, 163, 83, 0.25);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60px;
  height: 100%;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  animation: shine 4s infinite ease-in-out;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(204, 163, 83, 0.45);
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 18px 36px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-normal);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--brand-gold);
  color: var(--brand-gold);
  transform: translateY(-2px);
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-container {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border-color);
  position: relative;
}

.hero-image-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: inherit;
  pointer-events: none;
  z-index: 2;
}

.hero-image-container img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-image-container:hover img {
  transform: scale(1.04);
}

.hero-floating-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: rgba(10, 13, 22, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.hero-floating-icon {
  width: 44px;
  height: 44px;
  background: rgba(204, 163, 83, 0.1);
  border: 1px solid var(--brand-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-gold);
  font-size: 1.1rem;
}

.hero-floating-info {
  display: flex;
  flex-direction: column;
}

.floating-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  letter-spacing: 0.5px;
}

.floating-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   PAIN POINTS (8 PROBLEMS)
   ========================================================================== */
.section-padding {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 70px auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--brand-gold);
  letter-spacing: 3px;
  margin-bottom: 16px;
  display: block;
}

.section-title {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.section-title span {
  font-style: italic;
  font-weight: 600;
  color: var(--brand-gold);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.problem-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 36px;
  transition: var(--transition-normal);
  position: relative;
}

.problem-card:hover {
  transform: translateY(-8px);
  border-color: rgba(204, 163, 83, 0.4);
  box-shadow: 0 20px 40px rgba(204, 163, 83, 0.05);
}

.problem-num {
  font-family: var(--font-title);
  font-size: 3.2rem;
  font-weight: 400;
  font-style: italic;
  color: rgba(204, 163, 83, 0.15);
  line-height: 1;
  margin-bottom: 24px;
  transition: var(--transition-fast);
}

.problem-card:hover .problem-num {
  color: var(--brand-gold);
  transform: scale(1.05);
}

.problem-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
  letter-spacing: 0.2px;
}

.problem-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   BEFORE AFTER STORY
   ========================================================================== */
.story-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #080b12 50%, var(--bg-primary) 100%);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 20px;
}

.story-column {
  border-radius: 12px;
  padding: 48px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  background: var(--gradient-card);
  transition: var(--transition-normal);
}

.story-column.before {
  border-color: rgba(255, 255, 255, 0.04);
  background: rgba(255, 255, 255, 0.01);
}

.story-column.after {
  border-color: rgba(204, 163, 83, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  background: radial-gradient(circle at top right, rgba(204, 163, 83, 0.05) 0%, transparent 60%), #0a0d16;
}

.story-column:hover {
  transform: translateY(-4px);
}

.story-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.story-badge {
  padding: 6px 16px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.story-column.before .story-badge {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.story-column.after .story-badge {
  background: rgba(204, 163, 83, 0.1);
  color: var(--brand-gold-light);
  border: 1px solid rgba(204, 163, 83, 0.3);
}

.story-column-title {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: #fff;
}

.story-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
  flex-grow: 1;
}

.story-step {
  display: flex;
  gap: 20px;
}

.story-step-indicator {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.story-column.before .story-step-indicator {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.story-column.after .story-step-indicator {
  background: rgba(204, 163, 83, 0.15);
  color: var(--brand-gold);
  border: 1px solid rgba(204, 163, 83, 0.3);
}

.story-step-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.story-column.after .story-step-text {
  color: var(--text-main);
}

.story-footer-conclusion {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.story-conclusion-text {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.story-conclusion-text span {
  font-style: italic;
  font-weight: 600;
  color: var(--brand-gold);
}

/* ==========================================================================
   CREDIBILITY & Nguyễn Phúc Thịnh PROFILE (Editorial Magazine Layout)
   ========================================================================== */
.credibility-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}

.credibility-image-wrapper {
  position: relative;
  padding-left: 20px;
}

.credibility-frame {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border-color);
  position: relative;
}

.credibility-frame::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  box-shadow: inset 0 0 40px rgba(0,0,0,0.5);
  pointer-events: none;
}

.credibility-image-wrapper::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0px;
  width: 100%;
  height: 100%;
  border: 1px solid var(--brand-gold);
  border-radius: 4px;
  opacity: 0.25;
  z-index: -1;
  pointer-events: none;
}

.author-badge-floating {
  position: absolute;
  bottom: 30px;
  right: -20px;
  background: var(--gradient-gold);
  color: var(--text-dark);
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  box-shadow: 0 10px 25px rgba(204,163,83,0.3);
}

.credibility-content {
  display: flex;
  flex-direction: column;
}

.credibility-lead {
  font-family: var(--font-title);
  font-size: 1.85rem;
  font-style: italic;
  font-weight: 600;
  color: var(--brand-gold);
  margin-bottom: 24px;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.credibility-text {
  color: var(--text-muted);
  margin-bottom: 30px;
  font-size: 1rem;
  line-height: 1.8;
}

.credibility-highlight-box {
  background: rgba(204, 163, 83, 0.03);
  border: 1px solid rgba(204, 163, 83, 0.15);
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 30px;
}

.credibility-highlight-title {
  font-family: var(--font-title);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.credibility-highlight-title i {
  color: var(--brand-gold);
}

.credibility-bullets {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.credibility-bullet {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.95rem;
}

.credibility-bullet-icon {
  color: var(--brand-gold);
  flex-shrink: 0;
  margin-top: 5px;
  font-size: 0.9rem;
}

.credibility-bullet span {
  line-height: 1.6;
}

/* ==========================================================================
   BENEFITS & VALUES
   ========================================================================== */
.benefits-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #090c15 100%);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
}

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

.benefit-item {
  display: flex;
  gap: 24px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: 8px;
  transition: var(--transition-normal);
}

.benefit-item:hover {
  background: rgba(204, 163, 83, 0.02);
  border-color: rgba(204, 163, 83, 0.3);
  transform: translateX(6px);
}

.benefit-icon-wrapper {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: rgba(204, 163, 83, 0.08);
  border: 1px solid var(--brand-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-gold);
  font-size: 1.2rem;
}

.benefit-info {
  display: flex;
  flex-direction: column;
}

.benefit-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: #fff;
  letter-spacing: 0.2px;
}

.benefit-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.benefit-highlight-badge {
  background: rgba(140, 19, 24, 0.1);
  border: 1px solid rgba(140, 19, 24, 0.3);
  padding: 20px 24px;
  border-radius: 6px;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.6;
  text-align: center;
  box-shadow: 0 10px 30px rgba(140, 19, 24, 0.15);
}

/* ==========================================================================
   FAQ ACCORDION (Luxury Design)
   ========================================================================== */
.faq-section {
  background: radial-gradient(circle at bottom right, rgba(140, 19, 24, 0.08) 0%, transparent 60%);
}

.faq-list {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item:hover {
  border-color: rgba(204, 163, 83, 0.25);
}

.faq-item.active {
  border-color: rgba(204, 163, 83, 0.4);
  background: #0d111d;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.faq-trigger {
  width: 100%;
  padding: 26px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  cursor: pointer;
  color: #fff;
  font-family: var(--font-title);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.faq-trigger-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-trigger-icon {
  transform: rotate(45deg);
  background: var(--gradient-gold);
  color: var(--text-dark);
  border-color: transparent;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease;
}

.faq-inner {
  padding: 0 32px 30px 32px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 24px;
}

.faq-inner p {
  margin-bottom: 16px;
}

.faq-solution-badge {
  background: rgba(204, 163, 83, 0.08);
  border: 1px solid rgba(204, 163, 83, 0.2);
  color: var(--brand-gold-light);
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

/* ==========================================================================
   PRICING & VALUES (VIP Ticket Layout)
   ========================================================================== */
.pricing-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #060910 100%);
}

.compare-box {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 48px;
  margin-bottom: 70px;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.compare-col {
  display: flex;
  flex-direction: column;
}

.compare-col.traditional {
  border-right: 1px solid var(--border-color);
  padding-right: 50px;
}

.compare-col.podcast {
  padding-left: 10px;
}

.compare-col-title {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.compare-col-title.red-text { color: var(--brand-red-hover); }
.compare-col-title.gold-text { color: var(--brand-gold); }

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.compare-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.compare-col.podcast .compare-item {
  color: var(--text-main);
}

.compare-item-icon {
  flex-shrink: 0;
  margin-top: 5px;
}

.compare-col.traditional .compare-item-icon { color: var(--brand-red-hover); }
.compare-col.podcast .compare-item-icon { color: var(--brand-gold); }

/* Value Package Grid */
.value-pricing-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: stretch;
}

.value-list-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 48px;
}

.value-card-title {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 36px;
  color: #fff;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.value-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.value-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.value-name {
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 14px;
}

.value-name i {
  color: var(--brand-gold);
  font-size: 0.9rem;
}

.value-price {
  font-weight: 700;
  color: var(--text-muted);
}

.value-price.total {
  font-size: 1.3rem;
  color: var(--brand-gold);
  font-weight: 800;
  font-family: var(--font-title);
}

.bonus-box {
  background: rgba(204, 163, 83, 0.02);
  border: 1px dashed rgba(204, 163, 83, 0.25);
  padding: 24px;
  border-radius: 8px;
  margin-top: 30px;
}

.bonus-box-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--brand-gold);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 1px;
}

/* Pricing Offer Card - GOLD DOUBLE BORDER LUXURY CERTIFICATE */
.pricing-offer-card {
  background: radial-gradient(circle at 100% 0%, rgba(140,19,24,0.18) 0%, transparent 45%), 
              #070a13;
  border: 1px solid var(--brand-gold);
  outline: 1px solid rgba(204, 163, 83, 0.3);
  outline-offset: -8px; /* Classic double border look */
  border-radius: 16px;
  padding: 48px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(204, 163, 83, 0.08);
  position: relative;
}

.offer-popular-badge {
  position: absolute;
  top: -14px;
  background: var(--gradient-gold);
  color: var(--text-dark);
  padding: 6px 24px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: 0 4px 15px rgba(204, 163, 83, 0.3);
}

.offer-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.original-price {
  font-family: var(--font-title);
  font-size: 1.9rem;
  font-weight: 500;
  text-decoration: line-through;
  color: var(--text-muted);
  opacity: 0.7;
  margin-bottom: 12px;
}

.promo-price {
  font-family: var(--font-title);
  font-size: 4.2rem;
  font-weight: 800;
  color: var(--brand-gold);
  line-height: 1;
  margin-bottom: 12px;
  text-shadow: 0 0 25px rgba(204, 163, 83, 0.35);
  letter-spacing: -0.02em;
}

.promo-price-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  letter-spacing: 0.5px;
}

.scarcity-widget {
  background: rgba(4, 5, 8, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 18px;
  width: 100%;
  margin-bottom: 30px;
}

.scarcity-spots {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.2px;
}

.scarcity-spots-red {
  color: #fff;
  background: var(--brand-red);
  padding: 2px 10px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 700;
}

.scarcity-progress-bar {
  height: 4px;
  background: #111624;
  border-radius: 10px;
  overflow: hidden;
}

.scarcity-progress-fill {
  height: 100%;
  width: 30%; 
  background: var(--brand-gold);
  border-radius: inherit;
  animation: pulse-fill 2.5s infinite;
}

.timer-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: block;
  letter-spacing: 1px;
}

.timer-countdown {
  display: flex;
  gap: 14px;
  justify-content: center;
}

.timer-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timer-num {
  font-family: var(--font-title);
  font-size: 1.7rem;
  font-weight: 700;
  background: #0a0d16;
  border-radius: 4px;
  width: 46px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid var(--border-color);
}

.timer-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   TESTIMONIALS SLIDER
   ========================================================================== */
.testimonials-section {
  background: var(--bg-primary);
}

.testimonials-slider {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform var(--transition-normal);
}

.testimonial-slide {
  min-width: 100%;
  padding: 10px;
}

.testimonial-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 50px;
  text-align: center;
  position: relative;
}

.testimonial-quote-icon {
  font-size: 3rem;
  font-family: var(--font-title);
  color: rgba(204, 163, 83, 0.2);
  line-height: 1;
  margin-bottom: 12px;
}

.testimonial-text {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-style: italic;
  font-weight: 500;
  line-height: 1.6;
  color: #e5e7eb;
  margin-bottom: 30px;
  letter-spacing: -0.01em;
}

.testimonial-user {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.testimonial-name {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--brand-gold);
  font-weight: 600;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
}

.testimonial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.testimonial-dot.active {
  background: var(--brand-gold);
  transform: scale(1.3);
  box-shadow: 0 0 8px var(--brand-gold);
}

/* ==========================================================================
   REGISTRATION FORM (Luxury Glassmorphism Overlay)
   ========================================================================== */
.registration-section {
  background: radial-gradient(circle at 50% 50%, rgba(140, 19, 24, 0.12) 0%, transparent 60%);
  padding: 140px 0;
}

.registration-card {
  max-width: 720px;
  margin: 0 auto;
  background: rgba(10, 13, 22, 0.8);
  backdrop-filter: blur(24px);
  border: 1px solid var(--brand-gold);
  border-radius: 12px;
  padding: 60px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.8), 0 0 50px rgba(204, 163, 83, 0.05);
  position: relative;
}

.registration-card::before {
  content: '';
  position: absolute;
  top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 1px solid rgba(204, 163, 83, 0.15);
  border-radius: inherit;
  pointer-events: none;
}

.form-header {
  text-align: center;
  margin-bottom: 44px;
  position: relative;
  z-index: 2;
}

.form-title {
  font-family: var(--font-title);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
  color: #fff;
}

.form-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
  z-index: 2;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-gold-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-label span.required {
  color: var(--brand-red-hover);
}

.form-control-input, .form-control-select, .form-control-textarea {
  background: rgba(4, 5, 8, 0.7);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 16px 20px;
  border-radius: 4px;
  transition: var(--transition-fast);
  width: 100%;
}

.form-control-input:focus, .form-control-select:focus, .form-control-textarea:focus {
  border-color: var(--brand-gold);
  background: rgba(4, 5, 8, 0.95);
  box-shadow: 0 0 12px rgba(204, 163, 83, 0.2);
}

.form-control-select option {
  background: #0a0d16;
  color: #fff;
}

.form-control-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-cta-btn {
  background: var(--gradient-gold);
  color: var(--text-dark);
  font-weight: 700;
  padding: 18px;
  border-radius: 4px;
  width: 100%;
  cursor: pointer;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  box-shadow: 0 8px 25px rgba(204, 163, 83, 0.25);
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
  z-index: 2;
  transition: var(--transition-normal);
}

.form-cta-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60px;
  height: 100%;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  animation: shine 4s infinite ease-in-out;
}

.form-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(204, 163, 83, 0.45);
}

.form-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 20px;
  display: block;
  letter-spacing: 0.2px;
}

/* Success Overlay */
.form-success-wrapper {
  display: none; 
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px 0;
  position: relative;
  z-index: 2;
  animation: fadeIn 0.5s ease;
}

.success-icon-container {
  width: 70px;
  height: 70px;
  background: rgba(204, 163, 83, 0.08);
  border: 1px solid var(--brand-gold);
  color: var(--brand-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin-bottom: 24px;
  box-shadow: 0 0 25px rgba(204, 163, 83, 0.2);
}

.success-title {
  font-family: var(--font-title);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--brand-gold);
  margin-bottom: 16px;
  letter-spacing: -0.015em;
}

.success-text {
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.main-footer {
  background: #020305;
  padding: 80px 0 40px 0;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--brand-gold);
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-brand-title {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--brand-gold);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-contact-icon {
  color: var(--brand-gold);
  flex-shrink: 0;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */
@keyframes shine {
  0% { left: -100%; }
  20% { left: 150%; }
  100% { left: 150%; }
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(204, 163, 83, 0.6);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(204, 163, 83, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(204, 163, 83, 0);
  }
}

@keyframes pulse-fill {
  0%, 100% {
    opacity: 1;
    background-color: #cca353;
  }
  50% {
    opacity: 0.7;
    background-color: #ecd29b;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 50px;
  }
  .hero-badge {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-subtitle {
    border-left: none;
    border-top: 2px solid var(--brand-gold);
    padding-left: 0;
    padding-top: 20px;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-floating-card {
    left: 20px;
  }
  .credibility-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .credibility-image-wrapper {
    max-width: 420px;
    margin: 0 auto;
    padding-left: 0;
  }
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .compare-col.traditional {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding-right: 0;
    padding-bottom: 40px;
  }
  .compare-col.podcast {
    padding-left: 0;
    padding-top: 30px;
  }
  .value-pricing-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-col.brand-summary {
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 14px;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .story-grid {
    grid-template-columns: 1fr;
  }
  .story-column {
    padding: 30px;
  }
  .value-list-card, .pricing-offer-card, .registration-card {
    padding: 30px 24px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-col.brand-summary {
    grid-column: span 1;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

/* ==========================================================================
   ===========  OBSIDIAN EDITORIAL — VISUAL UPGRADE v1.0  ====================
   Khối bổ sung (cascade override). KHÔNG xoá rule cũ; chỉ ghi đè khi cần.
   ========================================================================== */
@property --bd-angle { syntax:'<angle>'; inherits:false; initial-value:0deg; }

:root{
  --ink-deep:#02030a; --gold-deep:#8a6a2d; --gold-patina:#b8923f; --gold-white:#fffaf0;
  --glass-bg:rgba(12,15,24,0.55); --glass-bg-strong:rgba(10,13,22,0.72);
  --glass-stroke:rgba(204,163,83,0.16); --glass-hi:rgba(255,255,255,0.14);
  --aurora-gold:rgba(204,163,83,0.12); --aurora-burg:rgba(140,19,24,0.16); --aurora-cool:rgba(40,60,110,0.08);
  --gold-shimmer:linear-gradient(100deg,#cca353 0%,#f3e5c8 30%,#fffaf0 45%,#f3e5c8 58%,#cca353 80%,#cca353 100%);
  --gold-line:linear-gradient(90deg,transparent,#cca353 18%,#f3e5c8 50%,#cca353 82%,transparent);
  --gold-conic:conic-gradient(from var(--bd-angle,0deg),transparent 0 62%,#cca353 74%,#f3e5c8 84%,#8c1318 92%,transparent 100%);
  --shadow-card:0 20px 40px rgba(0,0,0,0.35); --shadow-deep:0 30px 60px rgba(0,0,0,0.6);
  --glow-gold-sm:0 0 24px rgba(204,163,83,0.22); --glow-gold-lg:0 0 44px rgba(204,163,83,0.35);
  --cta-glow:rgba(204,163,83,0.5);
  --ease-out-soft:cubic-bezier(.16,1,.3,1); --ease-out-quint:cubic-bezier(.22,1,.36,1);
  --t-reveal:.8s;
}

/* ---- 2. TYPOGRAPHY (clamp + shimmer) ---- */
.hero-title{ font-size:clamp(2.1rem,1.2rem + 4.4vw,3.8rem); line-height:1.16; font-weight:800; letter-spacing:-0.025em; text-wrap:balance; }
.section-title{ font-size:clamp(1.9rem,1.3rem + 2.6vw,3rem); line-height:1.22; letter-spacing:-0.02em; text-wrap:balance; }
.story-conclusion-text,.testimonial-text{ font-size:clamp(1.35rem,1rem + 1.7vw,1.85rem); }
.promo-price{ font-size:clamp(3rem,2rem + 5vw,4.8rem); letter-spacing:-0.02em; }
.value-card-title,.compare-col-title{ font-size:clamp(1.6rem,1.2rem + 1.4vw,2rem); }
.form-title{ font-size:clamp(1.9rem,1.4rem + 1.8vw,2.4rem); line-height:1.25; }
.credibility-lead{ font-size:clamp(1.45rem,1.1rem + 1.4vw,1.85rem); }

.highlight-gold,.section-title span,.promo-price{
  background:var(--gold-shimmer); background-size:200% auto;
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
  animation:goldFlow 6s linear infinite;
}
@keyframes goldFlow{ to{ background-position:200% center; } }

/* ---- 3. BACKGROUND & ATMOSPHERE ---- */
body::before,body::after{ display:none !important; }   /* gỡ 2 blob tĩnh cũ */

.fx-aurora{
  position:fixed; inset:-20%; z-index:-2; pointer-events:none;
  background:
    radial-gradient(42% 52% at 78% 18%,var(--aurora-burg),transparent 60%),
    radial-gradient(46% 56% at 20% 80%,var(--aurora-gold),transparent 60%),
    radial-gradient(38% 42% at 52% 50%,var(--aurora-cool),transparent 68%);
  filter:blur(60px); animation:auroraDrift 26s ease-in-out infinite alternate; will-change:transform;
}
@keyframes auroraDrift{
  0%{ transform:translate3d(0,0,0) scale(1); }
  50%{ transform:translate3d(-3%,2%,0) scale(1.08); }
  100%{ transform:translate3d(2%,-2%,0) scale(1.04); }
}
.fx-grain{ position:fixed; inset:0; z-index:-1; pointer-events:none; box-shadow:inset 0 0 320px 80px rgba(0,0,0,.85); }
.fx-grain::before{
  content:''; position:absolute; inset:0; opacity:.04; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.section-padding{ border-bottom:none; position:relative; }
.section-padding::before{
  content:''; position:absolute; top:0; left:0; right:0; height:1px; z-index:1;
  background:var(--gold-line); background-size:200% 100%; opacity:.45;
  animation:lineSweep 9s linear infinite;
}
@keyframes lineSweep{ to{ background-position:-200% 0; } }

/* ---- 4. COMPONENT KIT ---- */
.btn-primary,.form-cta-btn{ will-change:transform; }
.btn-primary::before{
  content:''; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  box-shadow:0 0 0 0 rgba(204,163,83,.45); transition:box-shadow .5s var(--ease-out-quint);
}
.btn-primary:hover::before{ box-shadow:0 0 42px 4px rgba(204,163,83,.32); }
.pricing-offer-card .btn-primary,.form-cta-btn{ animation:ctaBreathe 3.6s ease-in-out infinite; }
@keyframes ctaBreathe{
  0%,100%{ box-shadow:0 8px 30px rgba(204,163,83,.25); }
  50%{ box-shadow:0 8px 40px rgba(204,163,83,.5),0 0 22px var(--cta-glow); }
}
.btn-primary:active,.form-cta-btn:active{ transform:translateY(-1px) scale(.99); }

.glass{
  background:var(--glass-bg); backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%); border:1px solid var(--glass-stroke); position:relative;
}
.glass::before{
  content:''; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  background:linear-gradient(180deg,var(--glass-hi),transparent 38%); opacity:.5; z-index:0;
}
.problem-card,.benefit-item{ overflow:hidden; }
.problem-card::after,.benefit-item::after{
  content:''; position:absolute; inset:0; border-radius:inherit; pointer-events:none; opacity:0; transition:opacity .3s; z-index:0;
  background:radial-gradient(180px circle at var(--mx,50%) var(--my,50%),rgba(204,163,83,.12),transparent 60%);
}
.problem-card:hover::after,.benefit-item:hover::after{ opacity:1; }
.problem-card>*,.benefit-item>*{ position:relative; z-index:1; }

.fx-border{ position:relative; isolation:isolate; }
.fx-border::after{
  content:''; position:absolute; inset:0; border-radius:inherit; padding:1px; pointer-events:none; z-index:2;
  background:var(--gold-conic);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  animation:bdSpin 6s linear infinite;
}
@keyframes bdSpin{ to{ --bd-angle:360deg; } }

.hero-badge{
  background:var(--glass-bg); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--glass-stroke);
}
.badge-dot{ box-shadow:0 0 8px var(--brand-gold); }

.story-footer-conclusion{ border-top:1px solid transparent; border-image:var(--gold-line) 1; }

::-webkit-scrollbar-thumb{ background:linear-gradient(180deg,var(--gold-deep),var(--brand-gold)); border-radius:10px; border:1px solid var(--border-color); }
::-webkit-scrollbar-thumb:hover{ background:var(--brand-gold-light); }
html{ scrollbar-width:thin; scrollbar-color:var(--brand-gold) var(--bg-primary); }

.fx-progress{
  position:fixed; top:0; left:0; height:2px; width:100%; z-index:200;
  background:var(--gold-shimmer); transform:scaleX(0); transform-origin:left; will-change:transform;
}

.main-header.scrolled{
  padding:14px 0; background:rgba(4,5,8,.92);
  box-shadow:0 10px 30px rgba(0,0,0,.5); border-bottom-color:rgba(204,163,83,.28);
}

/* ---- 5. MOTION (reveal CSS) ---- */
.reveal{
  opacity:0; transform:translateY(28px);
  transition:opacity var(--t-reveal) var(--ease-out-soft),transform var(--t-reveal) var(--ease-out-soft);
  transition-delay:var(--d,0ms);
}
.reveal.in{ opacity:1; transform:none; }

/* ---- 6. PER-SECTION POLISH ---- */
.hero-floating-card{ animation:float 5s ease-in-out infinite alternate; }
@keyframes float{ to{ transform:translateY(-8px); } }

.story-column.before{ filter:grayscale(.25) opacity(.92); }
.story-column.before.reveal{ transform:translateX(-26px); }
.story-column.after.reveal{ transform:translateX(26px); }
.story-column.reveal.in{ transform:none; }

.benefit-icon-wrapper{ transition:box-shadow .35s var(--ease-out-quint); }
.benefit-item:hover .benefit-icon-wrapper{ box-shadow:0 0 18px rgba(204,163,83,.4); }

#cam-xuc .problem-num i{ filter:drop-shadow(0 0 14px rgba(204,163,83,.5)); }
#nhan-gi .problem-num i{ filter:drop-shadow(0 0 12px rgba(204,163,83,.45)); }

.compare-col.podcast .compare-item-icon{ filter:drop-shadow(0 0 8px rgba(204,163,83,.5)); }

.faq-item.active{ border-color:rgba(204,163,83,.45); box-shadow:var(--glow-gold-sm),0 10px 30px rgba(0,0,0,.4); }
.faq-trigger-icon{ transition:transform .4s var(--ease-out-quint); }

.original-price{ color:var(--brand-red-hover); }
.scarcity-spots-red{ animation:blinkSoft 1.8s ease-in-out infinite; }
@keyframes blinkSoft{ 50%{ opacity:.72; } }
.scarcity-progress-fill{
  background:linear-gradient(90deg,var(--gold-deep),var(--brand-gold),var(--brand-gold-light));
  background-size:200% 100%; animation:pulse-fill 2.5s infinite,fillShimmer 2.2s linear infinite;
}
@keyframes fillShimmer{ to{ background-position:-200% 0; } }
.timer-num{ background:var(--glass-bg-strong); border-color:rgba(204,163,83,.3); box-shadow:inset 0 0 12px rgba(0,0,0,.4); }

.success-icon-container{ position:relative; }
#form-success[style*="flex"] .success-icon-container::after{
  content:''; position:absolute; inset:0; border-radius:50%; border:1px solid var(--brand-gold);
  animation:ripple 1.6s ease-out infinite;
}
@keyframes ripple{ to{ transform:scale(1.8); opacity:0; } }

.main-footer{ border-top:1px solid transparent; border-image:var(--gold-line) 1; }
.main-footer .brand-logo{ filter:drop-shadow(0 2px 8px rgba(204,163,83,.35)); }

/* ---- 7. PERFORMANCE & A11Y ---- */
@media (max-width:600px){
  .fx-aurora{ filter:blur(40px); }
  .fx-grain::before{ opacity:.025; }
}
@media (hover:none),(pointer:coarse){
  .fx-border::after{ animation:none; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .fx-aurora{ animation:none; }
  .reveal{ opacity:1 !important; transform:none !important; }
  .highlight-gold,.section-title span,.promo-price{ animation:none; }
}

/* ==========================================================================
   PAYMENT BLOCK — SePay VietQR checkout (chèn vào #form-success)
   ========================================================================== */
.pay-block{ width:100%; margin-top:28px; text-align:left; animation:fadeIn .5s var(--ease-out-soft); }
.pay-divider{ display:flex; align-items:center; gap:14px; margin:8px 0 22px; }
.pay-divider::before,.pay-divider::after{ content:''; height:1px; flex:1; background:var(--gold-line); opacity:.6; }
.pay-divider span{ font-family:var(--font-title); font-size:1.15rem; color:var(--brand-gold-light); white-space:nowrap; }
.pay-grid{ display:grid; grid-template-columns:200px 1fr; gap:24px; align-items:start; }
.pay-qr{ display:flex; flex-direction:column; align-items:center; gap:10px; }
.pay-qr img{ width:200px; height:200px; border-radius:var(--r-lg); background:#fff; padding:8px; box-shadow:var(--shadow-card); }
.pay-qr-cap{ font-size:.78rem; color:var(--text-muted); text-align:center; }
.pay-info{ display:flex; flex-direction:column; gap:0; }
.pay-row{ display:flex; justify-content:space-between; align-items:center; gap:12px; padding:11px 0; border-bottom:1px solid var(--border-color); font-size:.95rem; }
.pay-row span{ color:var(--text-muted); }
.pay-row b{ color:var(--text-main); text-align:right; }
.pay-amount{ color:var(--brand-gold) !important; font-size:1.25rem; font-weight:800; }
.pay-copy{ transition:color .2s; }
.pay-copy:hover{ color:var(--brand-gold) !important; }
.pay-warn{ margin-top:14px; font-size:.85rem; color:var(--brand-gold-light); background:rgba(204,163,83,.08); border:1px solid var(--glass-stroke); border-radius:var(--r-md); padding:10px 12px; line-height:1.5; }
.pay-note{ margin-top:18px; font-size:.85rem; color:var(--text-muted); line-height:1.6; }
.pay-note strong,.pay-warn strong{ color:var(--text-main); }
@media (max-width:600px){ .pay-grid{ grid-template-columns:1fr; justify-items:center; } .pay-info{ width:100%; } }

/* ==========================================================================
   =================  BUILD SPEC V2 — "BỚT ĐI ĐỂ SANG LÊN"  =================
   Đè cascade lên v1. Triết lý: kiệm lời, 1 tiêu điểm/màn, vàng hiếm,
   ảnh có chất, khoảng trắng rộng, chỉ động khi tương tác.
   ========================================================================== */

/* ---- 3. TOKEN HỆ THỐNG (type-scale mobile-safe, spacing 8pt, 1 radius) ---- */
:root{
  --fs-hero:    clamp(2.4rem, 1.5rem + 3.4vw, 4.6rem);
  --fs-h2:      clamp(1.85rem, 1.35rem + 1.9vw, 2.9rem);
  --fs-h3:      clamp(1.3rem, 1.12rem + .8vw, 1.7rem);
  --fs-lead:    clamp(1.08rem, 1rem + .35vw, 1.32rem);
  --fs-body:    clamp(1rem, .97rem + .15vw, 1.0625rem);
  --fs-small:   .8125rem;
  --fs-eyebrow: .72rem;
  --fs-price:   clamp(2.4rem, 1.8rem + 3.2vw, 4.8rem);
  --lh-display:1.06; --lh-title:1.16; --lh-body:1.65; --tracking-eyebrow:.2em;
  --s-1:.5rem; --s-2:1rem; --s-3:1.5rem; --s-4:2rem; --s-5:3rem; --s-6:4rem; --s-7:6rem; --s-8:8rem;
  --gutter:clamp(1.25rem,.6rem + 2.8vw,2.5rem); --measure:64ch;
  --section-y:clamp(72px,8vw,120px); --section-y-accent:clamp(110px,13vw,190px);
  --radius:8px; --r-sm:8px; --r-md:8px; --r-lg:8px;
  --gold-static:linear-gradient(135deg,var(--brand-gold-light),var(--brand-gold));
}

/* mobile root chống lệch clamp (nếu có rule html 14px ở đâu đó) */
@media (max-width:600px){ html{ font-size:16px; } }
html,body{ overflow-x:hidden; }

/* áp scale */
body{ font-size:var(--fs-body); line-height:var(--lh-body); }
.section-title{ font-size:var(--fs-h2); line-height:var(--lh-title); letter-spacing:-0.018em; text-wrap:balance; }
.story-column-title,.compare-col-title,.value-card-title,.faq-trigger,.problem-title,.benefit-title{ font-size:var(--fs-h3); line-height:1.28; }
.credibility-lead,.story-conclusion-text,.testimonial-text{ font-size:var(--fs-lead); line-height:1.5; }
.form-title{ font-size:var(--fs-h3); line-height:1.25; }
.promo-price{ font-size:var(--fs-price); }
.problem-desc,.benefit-desc,.credibility-text,.section-header p{ max-width:var(--measure); }
.section-header p{ margin-inline:auto; }
.problem-desc,.benefit-desc{ line-height:1.6; }
p{ text-wrap:pretty; }
.section-padding{ padding-block:var(--section-y); }
.container{ padding-inline:var(--gutter); }
.section-header{ margin-bottom:clamp(44px,5vw,80px); }
.section-accent{ padding-block:var(--section-y-accent); }
.hero-cover-img,.credibility-frame,.problem-card,.benefit-item,.faq-item,.testimonial-card,
.value-list-card,.pricing-offer-card,.registration-card,.story-column,.compare-col{ border-radius:var(--radius); }

/* ---- 1. HERO CINEMATIC (bìa tạp chí, chữ lệch trái-dưới) ---- */
.hero-cover{ position:relative; min-height:clamp(560px,86svh,880px); display:flex; align-items:flex-end; padding:0; overflow:hidden; background:var(--bg-primary); }
.hero-cover-media{ position:absolute; inset:0; z-index:0; }
.hero-cover-img{ width:100%; height:100%; object-fit:cover; object-position:center 30%; filter:grayscale(.32) contrast(1.07) brightness(.6) saturate(1.05); transform:scale(1.04); }
.hero-cover-scrim{ position:absolute; inset:0; pointer-events:none;
  background:
    linear-gradient(90deg, rgba(4,5,8,.94) 0%, rgba(4,5,8,.74) 42%, rgba(4,5,8,.34) 72%, rgba(4,5,8,.6) 100%),
    linear-gradient(0deg, rgba(4,5,8,.96) 0%, transparent 48%),
    radial-gradient(120% 80% at 14% 100%, rgba(140,19,24,.18), transparent 55%); }
.hero-cover-inner{ position:relative; z-index:1; max-width:880px; margin-inline:0; padding-block:clamp(3rem,8vw,7rem); }
.hero-issue{ position:absolute; top:clamp(1.25rem,4vw,2.5rem); right:var(--gutter); font-family:var(--font-title); font-size:clamp(.95rem,2vw,1.35rem); color:var(--brand-gold-light); letter-spacing:.1em; opacity:.8; }
.hero-issue sup{ font-size:.6em; }
.hero-eyebrow{ display:inline-block; margin-bottom:22px; font-size:var(--fs-eyebrow); letter-spacing:var(--tracking-eyebrow); text-transform:uppercase; color:var(--text-muted); padding-bottom:10px; border-bottom:1px solid rgba(204,163,83,.28); }
.hero-eyebrow::before{ display:none; }
.hero-title{ font-family:var(--font-title); font-size:var(--fs-hero); line-height:var(--lh-display); font-weight:600; letter-spacing:-0.02em; color:#fff; text-wrap:balance; max-width:16ch; margin:0 0 22px; }
.hero-title .highlight-gold{ font-style:italic; font-weight:500; background:var(--gold-static); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; animation:none; border:none; }
.hero-subtitle{ border:none; padding:0; max-width:48ch; margin:0 0 36px; font-size:var(--fs-lead); line-height:1.65; color:var(--text-main); }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:18px; align-items:center; margin-bottom:30px; }
.btn-ghost{ display:inline-flex; align-items:center; gap:10px; color:#fff; font-weight:500; font-size:.95rem; padding:16px 4px; border:none; border-radius:0; border-bottom:1px solid rgba(255,255,255,.28); transition:var(--transition-fast); }
.btn-ghost:hover{ color:var(--brand-gold); border-color:var(--brand-gold); gap:14px; }
.hero-trust{ font-size:var(--fs-small); color:var(--text-muted); letter-spacing:.01em; margin:0; }
.hero-trust .dot{ color:var(--brand-gold); margin:0 6px; }
.hero-scroll{ position:absolute; bottom:28px; left:50%; transform:translateX(-50%); z-index:2; width:24px; height:40px; border:1px solid rgba(255,255,255,.28); border-radius:14px; }
.hero-scroll span{ position:absolute; top:8px; left:50%; margin-left:-1.5px; width:3px; height:8px; background:var(--brand-gold); border-radius:2px; animation:scrollDot 1.8s ease-in-out infinite; }
@keyframes scrollDot{ 0%{opacity:0;transform:translateY(0)} 30%{opacity:1} 100%{opacity:0;transform:translateY(14px)} }

/* ---- 4. KỶ LUẬT VÀNG + TẮT ĐỘNG VÔ HẠN ---- */
.section-label{ color:var(--text-muted); font-size:var(--fs-eyebrow); letter-spacing:var(--tracking-eyebrow); }
.section-label::before{ content:''; display:inline-block; width:28px; height:1px; background:var(--brand-gold); vertical-align:middle; margin-right:12px; }
.section-title span{ animation:none; background:none; -webkit-text-fill-color:initial; color:var(--brand-gold-hover); font-style:italic; font-weight:600; }
.highlight-gold{ background:var(--gold-static); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; animation:none; }
.section-padding::before{ animation:none; opacity:.22; height:1px; }
.fx-border::after{ animation:none; opacity:.4; }
.btn-primary{ animation:none; }
.pricing-offer-card .btn-primary,.form-cta-btn{ animation:none; }
.btn-primary::after,.btn-secondary::after{ animation:none; }
.scarcity-progress-fill{ animation:none; }
.fx-aurora{ animation-duration:40s; opacity:.5; }

/* ---- 5.1 TREATMENT ẢNH THỐNG NHẤT ---- */
.editorial-img,.credibility-frame{ position:relative; isolation:isolate; overflow:hidden; border-radius:var(--radius); border:1px solid rgba(255,255,255,.07); box-shadow:0 1px 2px rgba(0,0,0,.4),0 18px 48px -22px rgba(0,0,0,.8); }
.editorial-img img,.credibility-frame img{ filter:grayscale(.2) contrast(1.06) saturate(.92) brightness(.94); transition:filter .6s var(--ease-out-soft),transform 1.2s var(--ease-out-soft); }
.editorial-img:hover img,.credibility-frame:hover img{ filter:grayscale(0) contrast(1.04) brightness(1); transform:scale(1.03); }
.editorial-img::after,.credibility-frame::after{ content:''; position:absolute; inset:0; z-index:1; pointer-events:none; border-radius:inherit;
  background:linear-gradient(180deg,transparent 55%,rgba(4,5,8,.5)),radial-gradient(120% 100% at 50% 0%,transparent 58%,rgba(4,5,8,.45)); }
.credibility-frame.portrait{ aspect-ratio:4/5; }
.credibility-frame.portrait img{ width:100%; height:100%; object-fit:cover; object-position:center top; }
.editorial-caption{ margin-top:16px; font-size:var(--fs-small); letter-spacing:.12em; text-transform:uppercase; color:var(--text-muted); text-align:center; }
.editorial-caption span{ color:var(--brand-gold); margin:0 6px; }

/* ---- 5.2a "8 NỖI ĐAU" + CÁC GRID problem-card → DANH SÁCH EDITORIAL 2 CỘT ---- */
.problems-grid{ grid-template-columns:repeat(2,1fr); gap:0 var(--s-5); }
.problem-card{ background:none !important; border:none; border-radius:0; border-top:1px solid rgba(204,163,83,.14); padding:var(--s-4) 0; box-shadow:none; overflow:visible; backdrop-filter:none; -webkit-backdrop-filter:none; }
.problem-card::before,.problem-card::after{ display:none !important; }
.problem-card:hover{ transform:none; background:none; }
.problem-num{ font-size:clamp(2.2rem,1.4rem + 2vw,3rem); -webkit-text-stroke:1px rgba(204,163,83,.35); color:transparent; opacity:.6; margin-bottom:var(--s-2); transition:color .35s,opacity .35s,-webkit-text-stroke-color .35s; }
.problem-card:hover .problem-num{ color:var(--brand-gold); -webkit-text-stroke-color:transparent; opacity:1; }
/* icon-num (cảm xúc / nhận gì) giữ đặc, không bị stroke rỗng */
#cam-xuc .problem-num,#nhan-gi .problem-num{ -webkit-text-stroke:0; color:var(--brand-gold); opacity:1; }
#cam-xuc .problem-num i,#nhan-gi .problem-num i{ -webkit-text-stroke:0; color:var(--brand-gold); }
@media (max-width:600px){ .problems-grid{ grid-template-columns:1fr; } }

/* ---- 5.2d KHOẢNH KHẮC THƯƠNG HIỆU full-bleed ---- */
.brand-moment{ background:var(--ink-deep,#04050a); position:relative; }
.brand-moment::before{ content:''; position:absolute; top:0; left:0; right:0; height:1px; background:var(--gold-line); opacity:.25; }
.brand-moment-text{ font-family:var(--font-title); font-weight:600; letter-spacing:-0.02em; font-size:clamp(2.2rem,1.2rem + 5vw,5.2rem); line-height:1.08; color:#fff; max-width:18ch; text-align:left; text-wrap:balance; }
.brand-moment-text span{ color:var(--brand-gold); font-style:italic; }

/* ---- 6. CHI TIẾT TINH XẢO ---- */
.pricing-offer-card,.registration-card,.testimonial-card,.value-list-card{ box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 1px 2px rgba(0,0,0,.4),0 14px 40px -20px rgba(0,0,0,.7); border:1px solid rgba(204,163,83,.22); }
.registration-card::before{ display:none; }
.pricing-offer-card{ position:relative; outline:none; }
.pricing-offer-card::before,.pricing-offer-card::after{ content:''; position:absolute; width:20px; height:20px; pointer-events:none; border:1.5px solid var(--brand-gold); background:none; animation:none; -webkit-mask:none; mask:none; padding:0; border-radius:0; inset:auto; }
.pricing-offer-card::before{ top:14px; left:14px; border-right:none; border-bottom:none; }
.pricing-offer-card::after{ bottom:14px; right:14px; border-left:none; border-top:none; }
.credibility-lead.has-dropcap::first-letter{ font-family:var(--font-title); float:left; font-size:3.6em; line-height:.78; padding:.04em .12em 0 0; color:var(--brand-gold); font-style:italic; font-weight:700; }
.testimonial-card{ position:relative; overflow:hidden; }
.testimonial-card .quote-mark{ font-family:var(--font-title); font-size:8rem; line-height:0; color:var(--brand-gold); opacity:.12; position:absolute; top:.5em; left:.15em; pointer-events:none; }
.promo-price{ font-family:var(--font-title); text-shadow:0 1px 0 rgba(0,0,0,.6); }
.promo-save{ display:block; margin:6px 0 2px; font-size:.95rem; font-weight:700; color:var(--brand-gold); letter-spacing:.01em; }
.original-price{ color:var(--text-muted); }
#brand-podcast-form .form-control-input,#brand-podcast-form .form-control-textarea,#brand-podcast-form .form-control-select{ border:none; border-bottom:1px solid var(--border-color); border-radius:0; background:transparent; box-shadow:none; transition:border-color .3s var(--ease-out-soft); }
#brand-podcast-form .form-control-input:focus,#brand-podcast-form .form-control-textarea:focus,#brand-podcast-form .form-control-select:focus{ outline:none; border-bottom-color:var(--brand-gold); box-shadow:none; }
.section-title,.form-title,.brand-moment-text{ text-wrap:balance; }
.testimonial-dot{ width:24px; height:3px; border-radius:2px; }

/* FAQ: bỏ glow active, viền vàng mảnh */
.faq-item.active{ box-shadow:none; border-color:rgba(204,163,83,.45); }

/* Before/After: tắt viền xoay, After nhô lên, Before trầm */
.story-column.after{ transform:translateY(-12px); }
.story-column.before{ filter:grayscale(.4) opacity(.9); }

/* ---- 2.2 MOBILE BẤT KHẢ VỠ ---- */
.hero-title,.section-title,.story-column-title,.compare-col-title,.value-card-title,.form-title,.faq-trigger span,.brand-moment-text{ overflow-wrap:anywhere; word-break:normal; hyphens:none; }
@media (max-width:768px){ .container{ padding-inline:20px; } }
@media (max-width:600px){
  .hero-cover{ min-height:80svh; }
  .hero-cover-inner{ padding-block:clamp(2.5rem,12vw,4rem); }
  .hero-cover-scrim{ background:linear-gradient(0deg,rgba(4,5,8,.96) 0%,rgba(4,5,8,.55) 55%,rgba(4,5,8,.4) 100%),radial-gradient(120% 60% at 50% 100%,rgba(140,19,24,.16),transparent 60%); }
  .hero-issue{ display:none; }
  .hero-title{ max-width:100%; letter-spacing:-0.012em; line-height:1.12; }
  .hero-subtitle{ max-width:none; }
  .hero-ctas{ flex-direction:column; align-items:stretch; gap:12px; width:100%; }
  .btn-primary{ width:100%; justify-content:center; padding:16px 20px; font-size:.82rem; letter-spacing:.06em; }
  .btn-ghost{ align-self:flex-start; }
  .hero-trust{ font-size:.72rem; }
  .header-container{ gap:10px; }
  .magazine-sub{ display:none; }
  .header-cta-btn{ padding:9px 12px; font-size:0; gap:0; white-space:nowrap; }
  .header-cta-btn i{ font-size:1rem; }
  .brand-logo{ height:34px; }
  .section-padding{ padding-block:clamp(56px,14vw,80px); }
  .section-header{ margin-bottom:clamp(36px,9vw,56px); }
  .story-conclusion-text,.testimonial-text{ line-height:1.5; }
  .brand-moment-text{ font-size:clamp(2rem,1rem + 6vw,3rem); }
  .fx-tilt,.hero-cover-img{ transform:none !important; }
  .story-column.after{ transform:none; }
}
@media (max-width:360px){ .header-cta-btn i{ font-size:.95rem; } .hero-title{ letter-spacing:-0.006em; } }

/* polish: eyebrow hero không sát mép trên mobile */
@media (max-width:600px){
  .hero-eyebrow{ letter-spacing:.1em; font-size:.62rem; white-space:normal; line-height:1.5; }
}

/* ==========================================================================
   CTA BANDS (dải kêu gọi xen giữa) + STICKY CTA (thanh dính đáy)
   ========================================================================== */
.cta-band{
  padding-block:clamp(46px,6.5vw,86px);
  border-top:1px solid var(--border-color);
  border-bottom:1px solid var(--border-color);
  background:radial-gradient(120% 140% at 12% 0%, rgba(140,19,24,.10), transparent 60%);
  position:relative;
}
.cta-band-dark{ background:radial-gradient(120% 140% at 88% 0%, rgba(204,163,83,.08), transparent 60%), var(--ink-deep,#04050a); }
.cta-band-inner{ display:flex; align-items:center; justify-content:space-between; gap:clamp(24px,4vw,56px); flex-wrap:wrap; }
.cta-band-urgency{
  display:inline-block; margin-bottom:14px;
  font-size:.78rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--brand-gold);
}
.cta-band-urgency i{ margin-right:8px; }
.cta-band-text{
  font-family:var(--font-title); font-weight:600; letter-spacing:-0.015em;
  font-size:clamp(1.5rem,1.05rem + 1.9vw,2.45rem); line-height:1.22; color:#fff;
  max-width:30ch; margin:0; text-wrap:balance;
}
.cta-band-text span{ color:var(--brand-gold); font-style:italic; }
.cta-band .btn-primary{ flex-shrink:0; }
@media (max-width:700px){
  .cta-band-inner{ flex-direction:column; align-items:flex-start; }
  .cta-band .btn-primary{ width:100%; justify-content:center; }
}

.sticky-cta{
  position:fixed; left:0; right:0; bottom:0; z-index:150;
  transform:translateY(120%); transition:transform .45s var(--ease-out-quint);
  background:rgba(6,8,14,.94); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-top:1px solid rgba(204,163,83,.32);
  box-shadow:0 -10px 40px rgba(0,0,0,.5);
}
.sticky-cta.show{ transform:translateY(0); }
.sticky-cta-inner{ display:flex; align-items:center; justify-content:space-between; gap:16px; padding-block:12px; }
.sticky-cta-info{ display:flex; flex-direction:column; line-height:1.3; min-width:0; }
.sticky-cta-info b{ color:#fff; font-size:.95rem; font-weight:700; font-family:var(--font-title); }
.sticky-cta-info small{ color:var(--brand-gold); font-size:.76rem; letter-spacing:.02em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.sticky-cta-info small i{ margin-right:6px; }
.sticky-cta .btn-primary{ flex-shrink:0; padding:13px 24px; animation:none; }
@media (max-width:600px){
  .sticky-cta-inner{ padding-block:10px; }
  .sticky-cta-info b{ font-size:.82rem; }
  .sticky-cta-info small{ font-size:.68rem; }
  .sticky-cta .btn-primary{ padding:12px 16px; font-size:.78rem; letter-spacing:.04em; }
}
@media (max-width:380px){
  .sticky-cta-info b{ display:none; }
}

/* ==========================================================================
   IMAGE SYSTEM — full-bleed bands, studio gallery, image treatments
   ========================================================================== */
.img-band{ position:relative; min-height:clamp(300px,44vw,540px); display:flex; overflow:hidden; border-block:1px solid var(--border-color); }
.img-band img.img-band-bg{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:grayscale(.32) contrast(1.06) brightness(.6) saturate(1.04); transform:scale(1.06); }
.img-band::after{ content:''; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(0deg,rgba(4,5,8,.96),rgba(4,5,8,.35) 45%,rgba(4,5,8,.5)),
             linear-gradient(90deg,rgba(4,5,8,.8),transparent 55%),
             radial-gradient(120% 80% at 12% 100%,rgba(140,19,24,.2),transparent 55%); }
.img-band .container{ position:relative; z-index:2; align-self:flex-end; padding-block:clamp(34px,5vw,64px); }
.img-band-eyebrow{ display:inline-block; margin-bottom:16px; font-size:var(--fs-eyebrow); letter-spacing:var(--tracking-eyebrow); text-transform:uppercase; color:var(--brand-gold); }
.img-band-title{ font-family:var(--font-title); font-weight:600; letter-spacing:-0.018em; font-size:clamp(1.7rem,1.1rem + 2.4vw,3rem); line-height:1.14; color:#fff; max-width:22ch; margin:0; text-wrap:balance; }
.img-band-title span{ color:var(--brand-gold); font-style:italic; }

/* Studio gallery marquee */
.studio-gallery{ padding-block:var(--section-y); overflow:hidden; }
.gallery-head{ text-align:center; margin-bottom:clamp(28px,4vw,48px); }
.gallery-track{ display:flex; gap:18px; width:max-content; animation:marquee 48s linear infinite; }
.studio-gallery:hover .gallery-track{ animation-play-state:paused; }
.gallery-track img{ width:clamp(230px,27vw,380px); height:clamp(155px,18vw,250px); object-fit:cover; border-radius:var(--radius); border:1px solid rgba(255,255,255,.07); filter:grayscale(.28) brightness(.82) contrast(1.04); flex:0 0 auto; }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* brand-moment background image */
.brand-moment.has-bg{ overflow:hidden; }
.brand-moment .bm-bg{ position:absolute; inset:0; z-index:0; }
.brand-moment .bm-bg img{ width:100%; height:100%; object-fit:cover; filter:grayscale(.5) brightness(.4) contrast(1.06); }
.brand-moment .bm-bg::after{ content:''; position:absolute; inset:0; background:linear-gradient(90deg,rgba(4,5,8,.94),rgba(4,5,8,.5) 70%,rgba(4,5,8,.7)); }
.brand-moment .container{ position:relative; z-index:2; }

/* before/after column media */
.story-media{ width:100%; height:clamp(140px,18vw,180px); border-radius:var(--radius); overflow:hidden; margin-bottom:22px; border:1px solid rgba(255,255,255,.06); }
.story-media img{ width:100%; height:100%; object-fit:cover; transition:transform 1.2s var(--ease-out-soft); }
.story-column:hover .story-media img{ transform:scale(1.05); }
.story-column.before .story-media img{ filter:grayscale(.85) brightness(.55) contrast(1.05); }
.story-column.after .story-media img{ filter:grayscale(.1) brightness(.9) contrast(1.04) saturate(1.05); }

@media (max-width:600px){
  .img-band-title{ max-width:100%; }
  .gallery-track{ animation-duration:32s; }
}
@media (prefers-reduced-motion:reduce){ .gallery-track{ animation:none; } }