/* ==========================================================================
   pulldot (풀닷) Official Brand Webpage Stylesheet
   - Design System: Bright, Clean, Warm Lifestyle & Wellness (Tovie-inspired)
   - Brand Colors: Pulldot Warm Orange (#FF8A00), Warm Ivory, Slate Dark
   ========================================================================== */

:root {
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', sans-serif;
  
  /* Bright Lifestyle Color Palette */
  --bg-page: #FFFFFF;
  --bg-warm: #FAF9F6;
  --bg-warm-tint: #FFF8F2;
  --bg-card: #FFFFFF;
  --bg-card-subtle: #F6F7F9;
  --bg-dark-accent: #111827;
  
  /* Brand Pulldot Orange Tones */
  --primary: #FF8A00;
  --primary-hover: #E87A00;
  --primary-light: #FFF0E0;
  --primary-glow: rgba(255, 138, 0, 0.25);
  
  /* Naver Green for Store Badge */
  --naver-green: #03C75A;
  --naver-hover: #02b350;
  --naver-glow: rgba(3, 199, 90, 0.2);

  /* Typography Colors */
  --text-main: #111827;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  
  /* Borders & Shadows */
  --border-subtle: #E5E7EB;
  --border-warm: #FED7AA;
  --border-focus: rgba(255, 138, 0, 0.4);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);
  --shadow-brand: 0 10px 30px rgba(255, 138, 0, 0.18);
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  
  --container-max: 1200px;
  --nav-height: 78px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  line-height: 1.65;
  background-color: var(--bg-page);
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

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

/* Announcement Bar */
.announcement-bar {
  background: #FFF7ED;
  border-bottom: 1px solid var(--border-warm);
  padding: 10px 16px;
  font-size: 0.875rem;
  color: #9A3412;
  text-align: center;
  position: relative;
  z-index: 101;
  font-weight: 500;
}

.announcement-bar strong {
  color: #EA580C;
  font-weight: 700;
}

.announcement-link {
  color: #EA580C;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 8px;
  font-weight: 600;
}

/* Header & Navigation (Tovie style) */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 100;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-logo-img {
  height: 38px;
  max-height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  opacity: 0.9;
  transform: translateY(-1px);
}

.brand-symbol {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 900;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-text {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #111827;
}

.brand-sub {
  font-size: 0.75rem;
  font-weight: 600;
  color: #6B7280;
  margin-left: 4px;
  background: #F3F4F6;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 6px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-store {
  background: rgba(255, 138, 0, 0.08);
  color: var(--primary);
  border: 1px solid rgba(255, 138, 0, 0.25);
  font-weight: 700;
  transition: all var(--transition-fast);
}

.btn-nav-store:hover {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(255, 138, 0, 0.25);
  transform: translateY(-1px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 12px 30px rgba(255, 138, 0, 0.35);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-secondary {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #F9FAFB;
  border-color: #D1D5DB;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
}

/* Hero Section (Flagship Brand Showcase) */
.hero-section {
  position: relative;
  padding: 85px 0 100px;
  background: 
    radial-gradient(ellipse at 70% 35%, rgba(255, 138, 0, 0.08) 0%, rgba(254, 215, 170, 0.18) 35%, transparent 70%),
    radial-gradient(circle at 15% 65%, rgba(255, 237, 213, 0.35) 0%, transparent 55%),
    linear-gradient(180deg, #FFFFFF 0%, #FAFAF8 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 55px;
  position: relative;
  z-index: 1;
}

/* Brand Kicker / Eyebrow */
.hero-brand-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.kicker-pill {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(255, 138, 0, 0.1);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 138, 0, 0.2);
}

.kicker-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Headline */
.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.04em;
  color: #111827;
  margin-bottom: 24px;
  word-break: keep-all;
}

.hero-title-highlight {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.85;
  color: #4B5563;
  margin-bottom: 40px;
  word-break: keep-all;
  max-width: 620px;
}

.hero-subtitle strong {
  color: #111827;
  font-weight: 700;
}

/* CTA Group */
.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-brand {
  background: #111827;
  color: #FFFFFF;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.18);
}

.btn-brand:hover {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 12px 30px rgba(255, 138, 0, 0.35);
  transform: translateY(-2px);
}

.btn-ghost-play {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: #374151;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  border-radius: var(--radius-full);
}

.btn-ghost-play:hover {
  color: var(--primary);
  background: rgba(255, 138, 0, 0.06);
}

.play-btn-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 138, 0, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.btn-ghost-play:hover .play-btn-circle {
  transform: scale(1.1);
  background: var(--primary);
  color: #FFFFFF;
}

/* Tech Specs Row */
.hero-specs-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 34px;
  border-top: 1px solid var(--border-subtle);
}

.spec-box {
  display: flex;
  flex-direction: column;
}

.spec-box .val {
  font-size: 1.65rem;
  font-weight: 800;
  color: #111827;
  letter-spacing: -0.03em;
  font-family: var(--font-heading);
}

.spec-box .val span {
  font-size: 0.95rem;
  color: var(--primary);
  margin-left: 2px;
  font-weight: 700;
}

.spec-box .lbl {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  line-height: 1.4;
  word-break: keep-all;
}

/* Hero Visual Stage (Borderless Iconic Product Presentation) */
.hero-visual-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-stage {
  position: relative;
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Ambient Back Glow */
.hero-stage-glow {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(255, 138, 0, 0.16) 0%, rgba(254, 215, 170, 0.22) 45%, transparent 70%);
  border-radius: 50%;
  filter: blur(45px);
  pointer-events: none;
  z-index: 0;
}

/* Floating Product */
.hero-product-wrap {
  position: relative;
  z-index: 1;
  animation: heroFloat 5.5s ease-in-out infinite;
}

.hero-product-img {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 20px 35px rgba(0, 0, 0, 0.14));
  transition: transform var(--transition-slow);
}

.hero-stage:hover .hero-product-img {
  transform: scale(1.02);
}

/* Contact Floor Shadow */
.hero-stage-shadow {
  width: 250px;
  height: 20px;
  background: radial-gradient(ellipse at center, rgba(40, 25, 15, 0.18) 0%, rgba(40, 25, 15, 0.04) 55%, transparent 75%);
  border-radius: 50%;
  margin-top: -12px;
  z-index: 0;
  animation: shadowPulse 5.5s ease-in-out infinite;
}

/* Subtle Technical Badge */
.hero-tech-badge {
  position: absolute;
  bottom: 0px;
  right: -10px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.tech-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.tech-badge-text {
  font-size: 0.75rem;
  font-weight: 700;
  color: #374151;
  letter-spacing: -0.01em;
}

@keyframes heroFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes shadowPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.75;
  }
  50% {
    transform: scale(0.9);
    opacity: 0.45;
  }
}

/* Brand Value & Core Engineering Pillars */
.brand-pillars-section {
  padding: 42px 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.brand-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
}

.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  position: relative;
}

.pillar-item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 15%;
  right: -18px;
  height: 70%;
  width: 1px;
  background: var(--border-subtle);
}

.pillar-num {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.9;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.pillar-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.pillar-info p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  word-break: keep-all;
}

/* Section Global */
.section {
  padding: 95px 0;
  position: relative;
}

.section-warm {
  background-color: var(--bg-warm);
}

.section-header {
  margin-bottom: 55px;
  text-align: center;
}

.section-subtitle-tag {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.03em;
  color: #111827;
  margin-bottom: 16px;
  word-break: keep-all;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.75;
  word-break: keep-all;
}

/* Brand Story Section (From Brand Story.pdf) */
.story-box {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 60px 50px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-quote-mark {
  font-size: 3rem;
  color: var(--primary);
  line-height: 1;
  font-family: Georgia, serif;
  margin-bottom: 8px;
}

.story-lead {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: #111827;
  margin-bottom: 24px;
}

.story-paragraphs p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 18px;
  word-break: keep-all;
}

.story-signoff {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.05rem;
  margin-top: 24px;
}

.story-media-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.story-media-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.story-media-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.75) 0%, transparent 100%);
  color: #FFFFFF;
}

.story-media-overlay h4 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.story-media-overlay p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
}

/* How It Works (Tovie-style 3 Steps) */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-warm);
}

.step-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: #FED7AA;
  line-height: 1;
  margin-bottom: 18px;
}

.step-card:hover .step-number {
  color: var(--primary);
}

.step-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #111827;
}

.step-card-desc {
  font-size: 0.975rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.step-card-img {
  margin-top: auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 200px;
}

.step-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.step-card:hover .step-card-img img {
  transform: scale(1.05);
}

/* Video Showcase Section (Tovie style) */
.video-showcase-box {
  background: #111827;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
  display: flex;
  flex-direction: column;
}

.video-container {
  width: 100%;
  position: relative;
  background: #000;
  overflow: hidden;
  line-height: 0;
}

.video-container video {
  width: 100%;
  max-height: 600px;
  object-fit: cover;
  display: block;
}

.video-caption-bar {
  padding: 26px 36px;
  background: #161C26;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.video-caption-text {
  flex: 1 1 320px;
}

.video-caption-text h3 {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 6px;
  color: #FFFFFF;
}

.video-caption-text p {
  font-size: 0.95rem;
  color: #9CA3AF;
  line-height: 1.4;
}

/* Problem vs Solution Matrix (Light Theme) */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.matrix-card {
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  min-width: 0;
  box-sizing: border-box;
}

.matrix-card.featured {
  background: #FFFDF9;
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-brand);
  position: relative;
  transform: translateY(-8px);
}

.matrix-top-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.matrix-card-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #111827;
}

.matrix-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.matrix-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: auto;
  min-width: 0;
}

.matrix-list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--text-secondary);
  min-width: 0;
}

.matrix-list-item > span:last-child {
  min-width: 0;
  flex: 1 1 auto;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.matrix-list-item.good {
  color: #111827;
  font-weight: 600;
}

.matrix-icon-bad {
  color: #EF4444;
  flex-shrink: 0;
  margin-top: 3px;
}

.matrix-icon-neutral {
  color: #F59E0B;
  flex-shrink: 0;
  margin-top: 3px;
}

.matrix-icon-good {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* 4 Heads Interactive (Tovie style) */
.head-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.head-tab-btn {
  padding: 13px 24px;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.head-tab-btn:hover {
  background: #FFF7ED;
  color: var(--primary);
  border-color: var(--border-warm);
}

.head-tab-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: var(--shadow-brand);
}

.head-display-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 50px;
  align-items: center;
  box-shadow: var(--shadow-md);
}

.head-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #F9FAFB;
  border: 1px solid var(--border-subtle);
}

.head-image-wrap img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.head-target-badge {
  display: inline-block;
  background: #FFF7ED;
  color: #EA580C;
  border: 1px solid var(--border-warm);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.head-info-content h3 {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: #111827;
}

.head-info-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
}

.head-detail-box {
  background: #F9FAFB;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.head-detail-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #374151;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.head-target-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.target-tag {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: #1F2937;
  font-weight: 600;
}

/* 5-Speed Intensity Simulator (Bright Theme) */
.intensity-simulator-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.speed-steps-bar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 40px;
}

.speed-step-btn {
  flex: 1;
  padding: 16px 10px;
  background: #F9FAFB;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-base);
}

.speed-step-btn:hover {
  background: #FFF7ED;
  color: var(--primary);
  border-color: var(--border-warm);
}

.speed-step-btn.active {
  background: #FFF7ED;
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 4px 18px var(--primary-glow);
}

.step-level {
  font-size: 1.25rem;
  font-weight: 800;
}

.step-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
}

.speed-step-btn.active .step-label {
  color: var(--primary);
}

.speed-display-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.gauge-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gauge-metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.gauge-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #111827;
}

.gauge-rpm {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.gauge-bar-outer {
  width: 100%;
  height: 16px;
  background: #F3F4F6;
  border-radius: var(--radius-full);
  overflow: hidden;
  padding: 2px;
}

.gauge-bar-inner {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #FFB74D, var(--primary));
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 10px rgba(255, 138, 0, 0.4);
}

.speed-details-text h4 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #111827;
}

.speed-details-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.recommended-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  color: #15803D;
  font-size: 0.875rem;
  font-weight: 700;
}

/* Photo Gallery & Lightbox */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 1 / 1;
  background: #F9FAFB;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.45);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
  color: #FFFFFF;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-lg);
}

.modal-content img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 1.2rem;
  z-index: 10;
}

/* Lifestyle Cards */
.lifestyle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.lifestyle-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.lifestyle-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-warm);
}

.lifestyle-img-wrap {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.lifestyle-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.lifestyle-content {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.lifestyle-badge {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.lifestyle-content h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #111827;
}

.lifestyle-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.lifestyle-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.lifestyle-tag {
  font-size: 0.8125rem;
  color: #4B5563;
  background: #F3F4F6;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* Specs Table */
.specs-table-wrapper {
  max-width: 900px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table tr {
  border-bottom: 1px solid var(--border-subtle);
}

.specs-table tr:last-child {
  border-bottom: none;
}

.specs-table th {
  padding: 18px 28px;
  text-align: left;
  font-size: 0.925rem;
  font-weight: 700;
  color: #374151;
  background: #F9FAFB;
  width: 32%;
  border-right: 1px solid var(--border-subtle);
}

.specs-table td {
  padding: 18px 28px;
  font-size: 0.95rem;
  color: #111827;
  font-weight: 500;
}

/* Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

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

.review-stars {
  color: #F59E0B;
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  font-size: 1rem;
}

.review-quote {
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 12px;
  color: #111827;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  flex: 1;
}

.review-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.verified-buyer {
  color: var(--naver-green);
  font-weight: 700;
}

/* FAQ Accordion */
.faq-wrapper {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 18px var(--primary-glow);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: #111827;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: #9CA3AF;
  transition: transform var(--transition-base);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 28px;
  font-size: 0.975rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  max-height: 280px;
  padding: 0 28px 24px 28px;
}

/* Final CTA Section (Warm & Punchy) */
.final-cta-section {
  padding: 110px 0;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, #FFF7ED 0%, #FFFFFF 100%);
  border-top: 1px solid var(--border-subtle);
}

.final-cta-box {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.final-cta-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: #111827;
  margin-bottom: 20px;
}

.final-cta-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
}

.final-benefits-list {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 36px;
  font-size: 0.925rem;
  font-weight: 600;
  color: #374151;
}

.final-benefit-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Bottom Sticky Purchase Bar */
.bottom-floating-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.08);
  padding: 14px 0;
  z-index: 99;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.bottom-floating-bar.visible {
  transform: translateY(0);
}

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

.floating-product-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.floating-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: #FFF7ED;
  border: 1px solid var(--border-warm);
  overflow: hidden;
  flex-shrink: 0;
}

.floating-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-title {
  font-weight: 800;
  font-size: 1rem;
  color: #111827;
}

.floating-subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Footer (Clean & Modern) */
.site-footer {
  background-color: #FAF9F6;
  border-top: 1px solid var(--border-subtle);
  padding: 70px 0 100px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #111827;
  margin-bottom: 14px;
}

.footer-brand p {
  line-height: 1.7;
  max-width: 380px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #111827;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .hero-content {
    display: contents;
  }

  .hero-brand-kicker {
    order: 1;
    justify-content: center;
    margin-bottom: 12px;
  }

  .hero-title {
    order: 2;
    font-size: clamp(2rem, 5.5vw, 2.8rem);
    line-height: 1.25;
    margin-bottom: 16px;
  }

  .hero-subtitle {
    order: 3;
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0 auto 16px;
    max-width: 540px;
  }

  .hero-visual-box {
    order: 4;
    margin: 10px auto 28px;
    width: 100%;
    max-width: 360px;
  }

  .hero-stage {
    max-width: 340px;
  }

  .hero-stage-glow {
    width: 280px;
    height: 280px;
  }

  .hero-product-img {
    max-width: 300px;
  }

  .hero-stage-shadow {
    width: 200px;
  }

  .hero-cta-group {
    order: 5;
    justify-content: center;
    margin: 0 auto 36px;
    width: 100%;
    max-width: 440px;
  }

  .hero-specs-row {
    order: 6;
    max-width: 520px;
    margin: 0 auto;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    text-align: center;
    padding-top: 28px;
  }

  .brand-pillars-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .pillar-item:not(:last-child)::after {
    display: none;
  }
  
  .story-box {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 30px;
  }
  
  .steps-grid, .matrix-grid, .lifestyle-grid, .reviews-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .matrix-card {
    min-width: 0;
    width: 100%;
  }

  .matrix-list-item {
    word-break: keep-all;
    overflow-wrap: break-word;
  }

  .matrix-list-item span:last-child {
    min-width: 0;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  
  .matrix-card.featured {
    transform: none;
  }
  
  .head-display-card {
    grid-template-columns: 1fr;
    padding: 30px;
    min-width: 0;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .btn {
    white-space: normal;
    word-break: keep-all;
    max-width: 100%;
  }

  .hero-section {
    padding: 36px 0 48px;
  }

  .brand-logo-img {
    height: 26px;
  }

  .btn-nav-store {
    padding: 5px 10px;
    font-size: 0.74rem;
    gap: 4px;
    white-space: nowrap;
  }

  .hero-brand-kicker {
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 10px;
  }

  .kicker-pill {
    font-size: 0.68rem;
    padding: 3px 8px;
  }

  .kicker-title {
    font-size: 0.75rem;
  }

  .hero-title {
    font-size: clamp(1.5rem, 6.2vw, 1.95rem);
    letter-spacing: -0.03em;
    line-height: 1.28;
    word-break: keep-all;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 10px;
    word-break: keep-all;
  }

  .hero-visual-box {
    margin: 6px auto 18px;
    max-width: 280px;
  }

  .hero-stage {
    max-width: 260px;
  }

  .hero-stage-glow {
    width: 200px;
    height: 200px;
  }

  .hero-product-img {
    max-width: 230px;
  }

  .hero-stage-shadow {
    width: 150px;
  }

  .hero-tech-badge {
    position: static;
    margin-top: 10px;
    align-self: center;
    font-size: 0.7rem;
    padding: 6px 12px;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    gap: 10px;
    margin: 0 auto 24px;
  }

  .hero-cta-group .btn {
    width: 100%;
    padding: 12px 18px;
    justify-content: center;
    font-size: 0.925rem;
    text-align: center;
  }

  .hero-specs-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 8px;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    padding-top: 20px;
  }

  .spec-box .val {
    font-size: 1.3rem;
  }

  .spec-box .lbl {
    font-size: 0.72rem;
  }

  .brand-pillars-section {
    padding: 28px 0;
  }

  .brand-pillars-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section-title {
    font-size: 1.75rem;
    word-break: keep-all;
  }

  .section-desc {
    font-size: 0.925rem;
    word-break: keep-all;
  }

  .final-cta-section {
    padding: 60px 0;
  }
  
  .final-cta-title {
    font-size: 1.85rem;
    word-break: keep-all;
  }

  .final-cta-desc {
    font-size: 0.95rem;
    margin-bottom: 28px;
    word-break: keep-all;
  }

  .final-cta-box .btn-lg {
    width: 100%;
    max-width: 320px;
    padding: 14px 20px;
    font-size: 0.95rem;
  }

  .final-benefits-list {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .matrix-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .matrix-card {
    padding: 24px 18px;
  }

  .intensity-simulator-card {
    padding: 24px 16px;
  }

  .head-display-card {
    padding: 24px 16px;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .review-card {
    padding: 20px 16px;
  }

  .specs-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: #FFFFFF;
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
  }
  
  .nav-links.mobile-open {
    display: flex;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .speed-steps-bar {
    flex-direction: column;
  }
  
  .speed-display-box {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .floating-product-info {
    display: none;
  }
  
  .floating-bar-content {
    justify-content: center;
  }

  .video-caption-bar {
    padding: 20px 16px;
    flex-direction: column;
    align-items: stretch;
    text-align: left;
    gap: 12px;
  }

  .video-caption-text h3 {
    font-size: 1.15rem;
    margin-bottom: 4px;
  }

  .video-caption-text p {
    font-size: 0.875rem;
  }

  .video-caption-bar .btn {
    width: 100%;
    padding: 12px 18px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
}