/* ==========================================================================
   AI SELLER CREATOR SYSTEM — APPLE STUDIO LIGHT & LIQUID RETINA XDR THEME
   Color Identity: Ultra-Soft White/Alabaster Banner, Periwinkle (#6E7BF2),
   Royal Cobalt (#2563EB), Electric Indigo (#4F46E5), Sky Cyan (#06B6D4)
   ========================================================================== */

:root {
  --bg-pure: #FFFFFF;
  --bg-subtle: #F7F8FC;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.86);
  --bg-dark: #090A14;
  --bg-dark-card: #121526;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-on-dark: #F8FAFC;

  /* Brand Palette tailored to Ai Seller Creator System */
  --brand-periwinkle: #6E7BF2;
  --brand-indigo: #4F46E5;
  --brand-blue: #2563EB;
  --brand-cyan: #06B6D4;
  --brand-violet: #7C3AED;
  --brand-crimson: #E11D48;
  --brand-emerald: #10B981;
  --brand-amber: #F59E0B;

  --gradient-primary: linear-gradient(135deg, #4F46E5 0%, #2563EB 52%, #06B6D4 100%);
  --gradient-periwinkle: linear-gradient(135deg, #7C72F5 0%, #5B8DF8 55%, #38BDF8 100%);
  --gradient-surface: linear-gradient(180deg, #FFFFFF 0%, #F4F6FC 100%);
  --gradient-dark: linear-gradient(145deg, #0B0D1B 0%, #171B34 55%, #1E1B4B 100%);

  --border-light: rgba(15, 23, 42, 0.08);
  --border-focus: rgba(79, 70, 229, 0.28);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 32px -4px rgba(15, 23, 42, 0.06), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 24px 56px -12px rgba(37, 99, 235, 0.12), 0 8px 24px -4px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 32px 72px -12px rgba(79, 70, 229, 0.18);
  --shadow-cta: 0 14px 34px -6px rgba(79, 70, 229, 0.40);

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --container-width: 1220px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Prompt', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-pure);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.65;
  background-color: var(--bg-pure);
  padding-bottom: 84px;
}

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

a {
  text-decoration: none;
  color: inherit;
}

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

/* ==========================================================================
   TYPOGRAPHY & SHARED UTILITIES
   ========================================================================== */

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 52px;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: rgba(79, 70, 229, 0.07);
  border: 1px solid rgba(79, 70, 229, 0.16);
  color: var(--brand-indigo);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-indigo);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.16);
}

.section-title {
  font-size: clamp(1.9rem, 3.6vw, 2.95rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: var(--radius-pill);
  background: var(--gradient-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: var(--shadow-cta);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 20px 42px -6px rgba(79, 70, 229, 0.50);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: var(--radius-pill);
  background: #FFFFFF;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.02rem;
  border: 1.5px solid rgba(15, 23, 42, 0.12);
  box-shadow: var(--shadow-sm);
  transition: all 0.22s ease;
}

.btn-secondary:hover {
  border-color: var(--brand-indigo);
  color: var(--brand-indigo);
  transform: translateY(-2px);
}

/* ==========================================================================
   STICKY HEADER & NIMBUS UI "WATERLINE" LIQUID GLASS NAVBAR (NO CTA BUTTON)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.brand-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(79, 70, 229, 0.08);
  color: var(--brand-indigo);
  font-size: 0.74rem;
  font-weight: 700;
  border: 1px solid rgba(79, 70, 229, 0.16);
}

/* Liquid Glass Pill Container */
.liquid-nav-pill {
  position: relative;
  height: 48px;
  border-radius: 9999px;
  padding: 4px 6px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow:
    0 10px 28px -6px rgba(37, 99, 235, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  overflow: hidden;
  user-select: none;
}

.liquid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.85;
}

.liquid-specular-sheen {
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  pointer-events: none;
  z-index: 2;
  background: radial-gradient(
    130px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(110, 123, 242, 0.16),
    transparent 70%
  );
}

.liquid-nav-items {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 4px;
}

.liquid-well-indicator {
  position: absolute;
  top: 0;
  left: 0;
  height: 38px;
  border-radius: 9999px;
  background: linear-gradient(180deg, #FFFFFF 0%, #EEF2FF 100%);
  border: 1px solid rgba(79, 70, 229, 0.22);
  box-shadow:
    0 4px 12px rgba(79, 70, 229, 0.12),
    inset 0 1px 1px rgba(255, 255, 255, 0.95);
  transition: transform 0.36s cubic-bezier(0.22, 1, 0.36, 1), width 0.36s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  z-index: 1;
}

.liquid-nav-btn {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 15px;
  border-radius: 9999px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s ease, transform 0.18s ease;
  white-space: nowrap;
}

.liquid-nav-btn svg {
  width: 15px;
  height: 15px;
  stroke-width: 2;
}

.liquid-nav-btn:hover {
  color: var(--text-primary);
}

.liquid-nav-btn.active {
  color: var(--brand-indigo);
  font-weight: 700;
}

/* ==========================================================================
   SECTION 1: FULL-BLEED EDGE-TO-EDGE HERO BANNER (ULTRA-SOFT ALMOST WHITE)
   ========================================================================== */

.hero-section {
  padding: 0 0 56px;
  background: var(--bg-pure);
}

.hero-fullbleed-banner {
  position: relative;
  width: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  /* Ultra-soft, almost pure white background with a delicate whisper of pastel tint */
  background:
    radial-gradient(circle at 18% 28%, rgba(124, 114, 245, 0.055) 0%, transparent 48%),
    radial-gradient(circle at 82% 32%, rgba(56, 189, 248, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, #FFFFFF 0%, #FBFCFF 52%, #F7F9FF 100%);
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  padding: 18px 0 10px;
  overflow: hidden;
}

.hero-banner-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 4vw;
}

.hero-banner-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 28px;
}

.hero-banner-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(79, 70, 229, 0.18);
  color: var(--brand-indigo);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 18px;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.06);
}

/* Slightly lighter font-weight (600 instead of 800) for clean elegance */
.hero-headline {
  font-size: clamp(2.2rem, 4.1vw, 3.85rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: #0F172A;
  margin: 0;
}

.hero-headline .text-gradient {
  font-weight: 700;
}

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

.hero-cutout-img {
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: -24px 0 -28px;
  object-fit: contain;
  transform: scale(1.03);
}

/* Below-Banner Offer & Action Area */
.hero-below-banner {
  margin-top: 36px;
}

.hero-below-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: stretch;
}

.hero-offer-main-card {
  background: var(--bg-pure);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--shadow-lg);
  padding: 34px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
}

.hero-subheadline {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.74;
}

.hero-subheadline strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-price-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #F7F9FF 0%, #EEF4FF 100%);
  border: 1px solid rgba(79, 70, 229, 0.16);
}

.price-old {
  font-size: 1.05rem;
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 500;
}

.price-arrow {
  color: var(--brand-indigo);
  font-weight: 700;
}

.price-current {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--brand-indigo);
  line-height: 1;
}

.price-save-badge {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--brand-crimson);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.hero-trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  padding: 6px 13px;
  border-radius: var(--radius-pill);
}

/* 24-Hour Bonus Software Card */
.hero-bonus-card {
  background: var(--gradient-dark);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(110, 123, 242, 0.32);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.hero-bonus-card::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.42) 0%, transparent 70%);
  pointer-events: none;
}

.bonus-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.bonus-urgent-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(225, 29, 72, 0.22);
  border: 1px solid rgba(251, 113, 133, 0.45);
  color: #FFE4E6;
  font-size: 0.78rem;
  font-weight: 700;
}

.bonus-tool-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.bonus-tool-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  object-fit: contain;
  flex-shrink: 0;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.bonus-tool-title {
  font-size: 1.32rem;
  font-weight: 700;
  line-height: 1.28;
  color: #FFFFFF;
}

.bonus-tool-sub {
  font-size: 0.9rem;
  color: #A5B4FC;
  margin-top: 4px;
}

.bonus-checklist {
  list-style: none;
  display: grid;
  gap: 10px;
}

.bonus-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: #E2E8F0;
}

.bonus-checklist li span.check-icon {
  color: #38BDF8;
  font-weight: 700;
  flex-shrink: 0;
}

/* ==========================================================================
   SECTION 2: 9:16 VERTICAL SAMPLE VIDEOS + UNIFIED WHITE SHOWCASE
   ========================================================================== */

.showcase-reels-section {
  padding: 72px 0 40px;
  background: #FFFFFF;
  border-top: 1px solid rgba(15, 23, 42, 0.05);
}

.reels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.reel-card {
  background: #0F172A;
  border-radius: 24px;
  padding: 8px;
  box-shadow: 0 18px 40px -12px rgba(15, 23, 42, 0.18);
  border: 1px solid rgba(15, 23, 42, 0.08);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease;
}

.reel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px -10px rgba(79, 70, 229, 0.24);
}

.reel-screen {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: 17px;
  overflow: hidden;
  background: #090A14;
}

.reel-bg-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Minimal Floating Controls ONLY (Play/Pause + Mute/Unmute) */
.reel-controls-bar {
  position: absolute;
  bottom: 14px;
  right: 14px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
}

.reel-ctrl-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.68);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.reel-ctrl-btn:hover {
  background: var(--brand-indigo);
  border-color: rgba(255, 255, 255, 0.45);
  transform: scale(1.06);
}

.reel-ctrl-btn.unmuted {
  background: var(--brand-indigo);
  border-color: #7DD3FC;
}

.reel-ctrl-btn svg {
  width: 18px;
  height: 18px;
}

/* "ตัวอย่างเพิ่มเติม" CTA Button right after the 4 sample videos */
.more-samples-cta-wrap {
  display: flex;
  justify-content: center;
  margin: 8px 0 64px;
}

.btn-more-samples {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 36px;
  border-radius: var(--radius-pill);
  background: var(--gradient-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: var(--shadow-cta);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.btn-more-samples:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 42px -6px rgba(79, 70, 229, 0.52);
}

/* Unified White Background Showcase (No Card Borders, Seamless White Surface) */
.unified-white-showcase {
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto;
}

.unified-showcase-img {
  width: 100%;
  height: auto;
  display: block;
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: #FFFFFF;
}

/* ==========================================================================
   SECTION 3: 3D CONTAINER SCROLL ANIMATION (MACBOOK PRO XDR STUDIO DEMO)
   ========================================================================== */

.container-scroll-section {
  padding: 84px 0 64px;
  background: var(--bg-pure);
  overflow: hidden;
}

.scroll-animation-viewport {
  perspective: 1200px;
  max-width: 1120px;
  margin: 0 auto;
}

.scroll-header-wrap {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 36px;
  will-change: transform;
  transition: transform 0.12s ease-out;
}

.xdr-display-frame {
  background: #18181B;
  border: 4px solid #3F3F46;
  border-radius: 30px;
  padding: 14px;
  box-shadow:
    0 0 #0000004d,
    0 9px 20px #0000004a,
    0 37px 37px #00000042,
    0 84px 50px #00000026,
    0 149px 60px #0000000a,
    0 233px 65px #00000003;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.12s ease-out;
}

.xdr-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px 14px;
  color: #A1A1AA;
  font-size: 0.82rem;
}

.xdr-dots {
  display: flex;
  gap: 8px;
}

.xdr-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.xdr-dot.red { background: #EF4444; }
.xdr-dot.yellow { background: #F59E0B; }
.xdr-dot.green { background: #10B981; }

.xdr-title-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.07);
  color: #E4E4E7;
  font-weight: 600;
}

.xdr-screen-inner {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: #090A14;
  aspect-ratio: 16 / 9;
}

.xdr-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-sound-btn {
  position: absolute;
  bottom: 18px;
  right: 18px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(12px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.video-sound-btn:hover {
  background: var(--brand-indigo);
  border-color: transparent;
}

.demo-highlights-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.demo-highlight-item {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.demo-highlight-num {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--gradient-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.demo-highlight-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.demo-highlight-item p {
  font-size: 0.83rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   SECTION 4: AI SELLER VER 2.1 — BENTO OVERVIEW & 5-STEP INTERACTIVE TABS
   ========================================================================== */

.software-section {
  padding: 88px 0 0;
  background: #F4F3F9;
  border-top: 1px solid var(--border-light);
}

.bento-master-banner {
  background: var(--bg-pure);
  border-radius: var(--radius-xl);
  padding: 16px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  margin-bottom: 44px;
}

.bento-master-banner img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* 5-Step Interactive Pipeline */
.pipeline-interactive-box {
  background: var(--bg-pure);
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  margin-bottom: 44px;
}

.step-tabs-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 32px;
}

.step-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-align: left;
  transition: all 0.22s ease;
  font-family: inherit;
}

.step-tab-btn:hover {
  background: #EEF2FF;
  border-color: rgba(79, 70, 229, 0.25);
}

.step-tab-btn.active {
  background: linear-gradient(135deg, #4F46E5 0%, #2563EB 100%);
  color: #FFFFFF;
  box-shadow: 0 12px 26px -6px rgba(79, 70, 229, 0.42);
}

.step-tab-num {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brand-indigo);
  background: rgba(79, 70, 229, 0.1);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.step-tab-btn.active .step-tab-num {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.22);
}

.step-tab-title {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.step-tab-btn.active .step-tab-title {
  color: #FFFFFF;
}

.step-panel-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: center;
}

.step-panel-content {
  display: none;
  animation: fadeInStep 0.3s ease;
}

.step-panel-content.active {
  display: block;
}

@keyframes fadeInStep {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(79, 70, 229, 0.1);
  color: var(--brand-indigo);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.step-panel-heading {
  font-size: 1.68rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 14px;
}

.step-panel-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.step-bullet-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.step-bullet-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.step-bullet-list li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.14);
  color: var(--brand-emerald);
  font-weight: 700;
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-motion-preview {
  background: #0B0D1B;
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(110, 123, 242, 0.28);
}

.step-motion-preview video {
  width: 100%;
  border-radius: 12px;
}

/* 3 Core Feature Cards */
.software-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.feature-card {
  background: var(--bg-pure);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.12) 0%, rgba(6, 182, 212, 0.12) 100%);
  color: var(--brand-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Unified Frameless Stacked Showcase: insert Photo.jpg FIRST on top, then insert Photo2.png below on exact #F4F3F9 -> #F2F1F5 shared surface */
.shared-surface-photo-stack {
  width: 100%;
  background: linear-gradient(180deg, #F4F3F9 0%, #F4F3F8 45%, #F2F1F5 100%);
  padding: 0;
  overflow: hidden;
}

.shared-surface-stack-inner {
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.frameless-stacked-img {
  width: 100%;
  height: auto;
  display: block;
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

.frameless-stacked-img.photo-studio-top {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

.frameless-stacked-img.photo-banner-bottom {
  width: 100%;
  max-width: 1920px;
  margin: -12px auto 0;
}

/* ==========================================================================
   SECTION 5: 14-TOPIC MASTERCLASS CURRICULUM
   ========================================================================== */

.curriculum-section {
  padding: 92px 0;
  background: var(--bg-pure);
  border-top: 1px solid var(--border-light);
}

/* Compact 3-Phase Bento Curriculum (Scannable 1-Line Modules 01-14) */
.curriculum-bento-phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.phase-card {
  background: var(--bg-subtle);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

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

.phase-card.phase-card-featured {
  background: linear-gradient(155deg, #10142A 0%, #1B234A 55%, #1E3A8A 100%);
  color: #FFFFFF;
  border-color: rgba(110, 123, 242, 0.35);
  box-shadow: var(--shadow-xl);
}

.phase-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.phase-card.phase-card-featured .phase-header {
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.phase-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(79, 70, 229, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.phase-card.phase-card-featured .phase-icon {
  background: rgba(255, 255, 255, 0.14);
}

.phase-step-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--brand-indigo);
  margin-bottom: 2px;
}

.phase-card.phase-card-featured .phase-step-label {
  color: #7DD3FC;
}

.phase-header h3 {
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.phase-card.phase-card-featured .phase-header h3 {
  color: #FFFFFF;
}

.compact-module-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compact-module-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 14px;
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.compact-module-list li:hover {
  transform: translateX(3px);
  border-color: rgba(79, 70, 229, 0.28);
}

.phase-card.phase-card-featured .compact-module-list li {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.phase-card.phase-card-featured .compact-module-list li.mod-highlight-row {
  background: rgba(56, 189, 248, 0.16);
  border-color: rgba(125, 211, 252, 0.42);
}

.mod-num {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--brand-indigo);
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.phase-card.phase-card-featured .mod-num {
  background: rgba(255, 255, 255, 0.16);
  color: #7DD3FC;
}

.mod-text {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  flex: 1;
}

.phase-card.phase-card-featured .mod-text {
  color: #F8FAFC;
}

.mod-hot-pill,
.mod-new-pill {
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.mod-hot-pill {
  background: #F43F5E;
  color: #FFFFFF;
}

.mod-new-pill {
  background: var(--brand-indigo);
  color: #FFFFFF;
}

/* ==========================================================================
   SECTION 6: VALUE STACK & 999 THB CHECKOUT CARD
   ========================================================================== */

.pricing-section {
  padding: 92px 0;
  background: linear-gradient(180deg, #F6F7FB 0%, #EEF2FF 100%);
  border-top: 1px solid var(--border-light);
}

.pricing-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: stretch;
}

.value-stack-card {
  background: var(--bg-pure);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

.value-stack-card h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.value-list {
  list-style: none;
  display: grid;
  gap: 16px;
}

.value-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(15, 23, 42, 0.1);
}

.value-item-left {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.value-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.12);
  color: var(--brand-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.82rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.value-item-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.value-item-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.value-item-price {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--brand-indigo);
  white-space: nowrap;
}

.checkout-card {
  background: var(--gradient-dark);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 42px 38px;
  box-shadow: var(--shadow-xl);
  border: 1.5px solid rgba(110, 123, 242, 0.4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.checkout-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #E11D48 0%, #F43F5E 100%);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.checkout-title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 8px;
}

.checkout-subtitle {
  color: #C7D2FE;
  font-size: 0.96rem;
  margin-bottom: 24px;
}

.checkout-price-box {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.checkout-old-price {
  font-size: 1rem;
  color: #94A3B8;
  text-decoration: line-through;
}

.checkout-new-price {
  font-size: 3.3rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.05;
  margin: 6px 0;
}

.checkout-new-price span {
  font-size: 1.2rem;
  font-weight: 600;
  color: #7DD3FC;
}

.checkout-note {
  font-size: 0.85rem;
  color: #A5B4FC;
}

.checkout-cta-btn {
  width: 100%;
  padding: 18px 28px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #6366F1 0%, #2563EB 55%, #06B6D4 100%);
  color: #FFFFFF;
  font-size: 1.12rem;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 16px 36px -6px rgba(56, 189, 248, 0.45);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.checkout-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 44px -6px rgba(56, 189, 248, 0.6);
}

.audience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.audience-tag {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: #E2E8F0;
}

/* ==========================================================================
   SECTION 7: FAQ ACCORDION & FOOTER
   ========================================================================== */

.faq-section {
  padding: 88px 0;
  background: var(--bg-pure);
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item.open {
  background: var(--bg-pure);
  border-color: rgba(79, 70, 229, 0.28);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1.04rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
}

.faq-toggle-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.1);
  color: var(--brand-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-toggle-icon {
  transform: rotate(45deg);
  background: var(--brand-indigo);
  color: #FFFFFF;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
}

.site-footer {
  background: #090A14;
  color: #94A3B8;
  padding: 56px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand img {
  height: 40px;
  margin-bottom: 10px;
  filter: brightness(1.15);
}

/* ==========================================================================
   STICKY BOTTOM CONVERSION BAR
   ========================================================================== */

.sticky-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 95;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid rgba(79, 70, 229, 0.16);
  box-shadow: 0 -10px 30px rgba(15, 23, 42, 0.08);
  padding: 12px 0;
}

.sticky-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sticky-cta-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sticky-cta-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: contain;
}

.sticky-cta-title {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--text-primary);
}

.sticky-cta-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.sticky-cta-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sticky-price-tag {
  text-align: right;
}

.sticky-price-old {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: line-through;
  display: block;
}

.sticky-price-new {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-indigo);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (DESKTOP, TABLET & MOBILE)
   ========================================================================== */

@media (max-width: 1080px) {
  .hero-banner-grid,
  .hero-below-grid,
  .step-panel-grid,
  .pricing-wrapper {
    grid-template-columns: 1fr;
  }

  .hero-banner-copy {
    align-items: center;
    text-align: center;
  }

  .hero-cutout-img {
    max-width: 500px;
    margin: -10px auto -18px;
  }

  .reels-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
  }

  .demo-highlights-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .step-tabs-nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .software-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .curriculum-bento-phases {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .liquid-nav-pill {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .liquid-nav-pill::-webkit-scrollbar {
    display: none;
  }

  .hero-fullbleed-banner {
    padding: 20px 0 12px;
  }

  .hero-eyebrow {
    font-size: 0.72rem;
    padding: 6px 12px;
  }

  .hero-headline {
    font-size: clamp(1.75rem, 6.8vw, 2.35rem);
  }

  .hero-cutout-img {
    max-width: 360px;
    margin: -6px auto -12px;
  }

  .hero-offer-main-card,
  .hero-bonus-card,
  .pipeline-interactive-box,
  .value-stack-card,
  .checkout-card {
    padding: 24px 20px;
  }

  /* 2x2 grid on mobile so users can see all 4 vertical videos comfortably */
  .reels-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .reel-card {
    padding: 6px;
    border-radius: 18px;
  }

  .reel-screen {
    border-radius: 13px;
  }

  .reel-ctrl-btn {
    width: 34px;
    height: 34px;
  }

  .reel-ctrl-btn svg {
    width: 15px;
    height: 15px;
  }

  .xdr-topbar {
    font-size: 0.72rem;
    padding: 6px 10px 10px;
  }

  .xdr-title-pill {
    display: none;
  }

  .demo-highlights-bar,
  .step-tabs-nav,
  .software-features-grid,
  .curriculum-bento-phases {
    grid-template-columns: 1fr;
  }

  .shared-surface-stack-inner {
    padding: 0;
  }

  .value-item {
    flex-direction: column;
    gap: 8px;
  }

  .value-item-price {
    padding-left: 36px;
  }

  .sticky-cta-sub,
  .sticky-price-tag {
    display: none;
  }

  .sticky-cta-title {
    font-size: 0.88rem;
  }
}

@media (max-width: 420px) {
  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-secondary {
    width: 100%;
  }
}