/* ==========================================================================
   온통기업 (ONTONG COMPANY) 공식 웹사이트 프리미엄 스타일시트
   ========================================================================== */

/* Google Fonts Import: Pretendard & Outfit */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color Palette */
  --primary-gold: #F59E0B;
  --primary-gold-dark: #D97706;
  --primary-gold-light: #FDE68A;
  --primary-gold-glow: rgba(245, 158, 11, 0.25);
  
  --accent-red: #DC2626;
  --accent-red-hover: #B91C1C;
  --accent-red-glow: rgba(220, 38, 38, 0.3);

  --dark-bg: #0B0F17;
  --dark-surface: #131B2A;
  --dark-surface-card: #1A2438;
  --dark-surface-hover: #22304A;
  --dark-border: rgba(255, 255, 255, 0.08);
  --dark-border-hover: rgba(245, 158, 11, 0.4);

  --light-bg: #F8FAFC;
  --light-surface: #FFFFFF;
  --light-border: #E2E8F0;
  
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-white: #FFFFFF;
  --text-white-muted: #94A3B8;
  --text-gold: #F59E0B;

  /* Typography */
  --font-base: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-en: 'Outfit', sans-serif;

  /* Transitions & Shadows */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.18);
  --shadow-gold: 0 10px 30px rgba(245, 158, 11, 0.2);
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.3);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

/* Reset & Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-base);
  color: var(--text-main);
  background-color: var(--light-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Helpers */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.tag-gold {
  background: rgba(245, 158, 11, 0.12);
  color: #D97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.tag-gold-dark {
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary-gold-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.tag-red {
  background: rgba(220, 38, 38, 0.1);
  color: var(--accent-red);
  border: 1px solid rgba(220, 38, 38, 0.25);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 700px;
}

.text-center {
  text-align: center;
}
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Header & GNB
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(11, 15, 23, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  border-bottom-color: rgba(245, 158, 11, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: height var(--transition-fast);
}

.site-header.scrolled .header-inner {
  height: 70px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #F59E0B, #EA580C);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-white);
  letter-spacing: 0.08em;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary-gold);
  letter-spacing: 0.12em;
}

/* Nav Menu */
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-white-muted);
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-gold), #EF4444);
  transition: width var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

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

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent-red), #B91C1C);
  color: #fff;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.925rem;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--accent-red-glow);
  transition: all var(--transition-fast);
}

.btn-header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(220, 38, 38, 0.4);
  background: linear-gradient(135deg, #EF4444, var(--accent-red));
}

.btn-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
}

.btn-mobile-toggle span {
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: 130px;
  padding-bottom: 90px;
  background: radial-gradient(circle at 75% 25%, #1A2438 0%, #0B0F17 65%);
  color: var(--text-white);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: 10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, rgba(220, 38, 38, 0.05) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.hero-badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--primary-gold);
  color: #000;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 900;
}

.hero-badge-text {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-gold-light);
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #FDE68A 0%, #F59E0B 50%, #F97316 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-white-muted);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 580px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: #0F172A;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  font-size: 1.05rem;
  font-weight: 800;
  box-shadow: 0 10px 25px rgba(245, 158, 11, 0.35);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(245, 158, 11, 0.45);
  background: linear-gradient(135deg, #FBBF24, #F59E0B);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 16px 30px;
  border-radius: var(--radius-full);
  font-size: 1.05rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Hero Stats Bar */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary-gold);
  line-height: 1.1;
  display: flex;
  align-items: baseline;
}

.stat-num .unit {
  font-size: 1.1rem;
  margin-left: 2px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-white-muted);
  margin-top: 4px;
}

/* Hero Visual Showcase */
.hero-visual {
  position: relative;
}

.hero-main-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--dark-surface-card);
}

.hero-media-wrap {
  position: relative;
  width: 100%;
  height: 480px;
  overflow: hidden;
}

.hero-media-wrap img, .hero-media-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-main-card:hover .hero-media-wrap img {
  transform: scale(1.04);
}

.hero-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11, 15, 23, 0.85) 0%, rgba(11, 15, 23, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}

.hero-floating-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  animation: floatSlow 4s ease-in-out infinite;
}

.floating-badge-icon {
  color: var(--primary-gold);
  font-size: 1.25rem;
}

.floating-badge-text {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
}

.floating-badge-text span {
  display: block;
  font-size: 0.72rem;
  color: var(--text-white-muted);
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   Section: Key Strengths (Why ONTONG?)
   ========================================================================== */
.section-features {
  padding: 120px 0;
  background: #FFFFFF;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
}

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

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 158, 11, 0.4);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 3px;
  background: transparent;
  transition: background var(--transition-fast);
}

.feature-card:hover::before {
  background: linear-gradient(90deg, var(--primary-gold), var(--accent-red));
}

.feature-icon-box {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: #D97706;
  margin-bottom: 28px;
  transition: transform var(--transition-fast);
}

.feature-card:hover .feature-icon-box {
  transform: scale(1.1);
}

.feature-card h3 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-main);
  line-height: 1.35;
  word-break: keep-all;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 24px;
  word-break: keep-all;
}

.feature-highlight-box {
  background: #F8FAFC;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.875rem;
  font-weight: 700;
  color: #334155;
  border-left: 3px solid var(--primary-gold);
  word-break: keep-all;
  line-height: 1.5;
}

/* ==========================================================================
   Section: R&D & Technology & Safety
   ========================================================================== */
.section-tech {
  padding: 120px 0;
  background: var(--dark-bg);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-top: 60px;
}

.tech-info-wrap .tech-point-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 36px;
}

.tech-point-item {
  display: flex;
  gap: 20px;
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  padding: 24px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.tech-point-item:hover {
  border-color: var(--dark-border-hover);
  background: var(--dark-surface-card);
  transform: translateX(6px);
}

.tech-point-num {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary-gold);
  line-height: 1;
  flex-shrink: 0;
}

.tech-point-content h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.tech-point-content p {
  font-size: 0.95rem;
  color: var(--text-white-muted);
  line-height: 1.6;
}

/* KTR Safety Certificate Showcase */
.cert-card-wrap {
  position: relative;
  background: var(--dark-surface-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.cert-visual-inner {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
  background: #000;
}

.cert-visual-inner img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.cert-card-wrap:hover .cert-visual-inner img {
  transform: scale(1.03);
}

.cert-badge-floating {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(220, 38, 38, 0.9);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(8px);
}

.cert-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.cert-meta-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  text-align: center;
}

.cert-meta-label {
  font-size: 0.75rem;
  color: var(--text-white-muted);
  display: block;
  margin-bottom: 4px;
}

.cert-meta-val {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary-gold-light);
}

/* ==========================================================================
   Section: Product Showcase (Tabs & Specs)
   ========================================================================== */
.section-products {
  padding: 120px 0;
  background: var(--light-bg);
}

.product-tabs-header {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.product-tab-btn {
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-muted);
  background: #FFFFFF;
  border: 1px solid var(--light-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.product-tab-btn:hover {
  color: var(--text-main);
  border-color: #CBD5E1;
}

.product-tab-btn.active {
  background: #0F172A;
  color: #FFFFFF;
  border-color: #0F172A;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
}

.product-tab-pane {
  display: none;
  animation: fadeIn 0.4s ease;
}

.product-tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.product-detail-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--light-border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
}

.product-gallery-side {
  background: #F1F5F9;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}

.product-main-view {
  width: 100%;
  max-width: 440px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.03);
}

.product-main-view img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.12));
  transition: transform 0.4s ease;
}

.product-main-view:hover img {
  transform: scale(1.05);
}

.product-thumb-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.product-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  background: #fff;
  padding: 4px;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.product-thumb.active, .product-thumb:hover {
  border-color: var(--primary-gold);
  transform: translateY(-2px);
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.product-info-side {
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
}

.product-category-tag {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.product-name {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 12px;
}

.product-summary {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 28px;
}

.product-features-box {
  background: #F8FAFC;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 28px;
}

.product-feature-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: #1E293B;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-features-box ul {
  list-style: none;
}

.product-features-box li {
  font-size: 0.925rem;
  color: #475569;
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  line-height: 1.5;
}

.product-features-box li:last-child {
  margin-bottom: 0;
}

.product-features-box li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #D97706;
  font-weight: 900;
}

/* Specs Table */
.spec-table-wrap {
  margin-bottom: 32px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
}

.spec-table th, .spec-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #E2E8F0;
}

.spec-table th {
  background: #F8FAFC;
  font-weight: 700;
  color: #334155;
  width: 30%;
  text-align: left;
}

.spec-table td {
  color: #475569;
  font-weight: 500;
}

.product-actions {
  display: flex;
  gap: 16px;
  margin-top: auto;
}

/* ==========================================================================
   Section: Brand Mall (옥수수화로)
   ========================================================================== */
.section-brandmall {
  padding: 120px 0;
  background: radial-gradient(circle at 20% 40%, #1E293B 0%, #0F172A 70%);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.brandmall-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.brandmall-tag {
  background: rgba(220, 38, 38, 0.2);
  color: #F87171;
  border: 1px solid rgba(220, 38, 38, 0.4);
}

.brandmall-title {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 20px;
}

.brandmall-desc {
  font-size: 1.1rem;
  color: var(--text-white-muted);
  line-height: 1.75;
  margin-bottom: 36px;
}

.brandmall-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.brandmall-point-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.bm-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-red);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 2px;
}

.bm-text h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.bm-text p {
  font-size: 0.925rem;
  color: var(--text-white-muted);
}

/* Brand Mall Food Visual Cards */
.brandmall-visual-collage {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.bm-food-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.bm-food-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.bm-food-card:hover img {
  transform: scale(1.06);
}

.bm-card-large {
  height: 380px;
}

.bm-card-small-wrap {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.bm-card-small {
  height: 181px;
}

/* ==========================================================================
   Section: About Us & CEO Message
   ========================================================================== */
.section-about {
  padding: 120px 0;
  background: #FFFFFF;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ceo-message-card {
  background: #F8FAFC;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  border: 1px solid var(--light-border);
  position: relative;
}

.quote-mark {
  font-size: 4rem;
  line-height: 1;
  font-family: serif;
  color: var(--primary-gold);
  margin-bottom: 12px;
  opacity: 0.6;
}

.ceo-quote {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1E293B;
  line-height: 1.65;
  margin-bottom: 24px;
}

.ceo-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 32px;
}

.ceo-sign-area {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: 20px;
  border-top: 1px solid #E2E8F0;
}

.ceo-name-wrap h5 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
}

.ceo-name-wrap span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.about-vision-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.vision-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--light-border);
  background: #FFFFFF;
  transition: all var(--transition-fast);
}

.vision-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}

.vision-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.1);
  color: #D97706;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.vision-info h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 6px;
}

.vision-info p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Section: Contact & Inquiry Form
   ========================================================================== */
.section-contact {
  padding: 120px 0;
  background: var(--light-bg);
}

.contact-card-wrap {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--light-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  margin-top: 60px;
}

.contact-info-panel {
  background: radial-gradient(circle at top left, #1E293B, #0F172A);
  color: #fff;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-panel h3 {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.3;
}

.contact-info-panel p {
  color: var(--text-white-muted);
  font-size: 0.975rem;
  line-height: 1.65;
  margin-bottom: 36px;
}

.contact-direct-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.direct-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.direct-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  font-size: 1rem;
  flex-shrink: 0;
}

.direct-detail span {
  display: block;
  font-size: 0.775rem;
  color: var(--text-white-muted);
  margin-bottom: 2px;
}

.direct-detail strong {
  font-size: 1rem;
  color: #fff;
  font-weight: 700;
}

.contact-form-panel {
  padding: 48px 40px;
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: #334155;
  margin-bottom: 8px;
}

.form-label .req {
  color: var(--accent-red);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid #CBD5E1;
  background: #F8FAFC;
  font-family: inherit;
  font-size: 0.95rem;
  color: #0F172A;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  background: #FFFFFF;
  border-color: var(--primary-gold-dark);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
  outline: none;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

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

.btn-submit-inquiry {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-red), #B91C1C);
  color: #fff;
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 1.05rem;
  font-weight: 800;
  box-shadow: 0 6px 18px var(--accent-red-glow);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-submit-inquiry:hover {
  background: linear-gradient(135deg, #EF4444, var(--accent-red));
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(220, 38, 38, 0.4);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #0B0F17;
  color: #94A3B8;
  padding: 80px 0 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand h4 {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.925rem;
  line-height: 1.65;
  color: #64748B;
  max-width: 320px;
}

.footer-nav-col h5 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-links a {
  font-size: 0.9rem;
  color: #94A3B8;
}

.footer-nav-links a:hover {
  color: var(--primary-gold);
}

.footer-info-details {
  font-size: 0.85rem;
  line-height: 1.8;
}

.footer-info-details p {
  margin-bottom: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Interactive Modals & Lightbox
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #F1F5F9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #334155;
  z-index: 10;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: #E2E8F0;
  color: #0F172A;
}

/* ==========================================================================
   AI Ontong Consultant (Floating Chat Widget)
   ========================================================================== */
.ai-floating-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1500;
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 14px 22px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(245, 158, 11, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(245, 158, 11, 0.25);
  cursor: pointer;
  transition: all var(--transition-fast);
  animation: pulseGold 3s infinite;
}

.ai-floating-btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 25px rgba(245, 158, 11, 0.4);
  border-color: var(--primary-gold);
}

.ai-floating-badge {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #F59E0B, #EA580C);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.ai-floating-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.ai-floating-text strong {
  font-size: 0.95rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
}

.ai-floating-text span {
  font-size: 0.72rem;
  color: var(--primary-gold-light);
}

@keyframes pulseGold {
  0%, 100% { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 15px rgba(245, 158, 11, 0.2); }
  50% { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 25px rgba(245, 158, 11, 0.45); }
}

/* Chat Drawer / Window */
.ai-chat-window {
  position: fixed;
  bottom: 96px;
  right: 28px;
  width: 400px;
  max-width: calc(100vw - 40px);
  height: 600px;
  max-height: calc(100vh - 120px);
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(15, 23, 42, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1500;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-smooth);
}

.ai-chat-window.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.ai-chat-header {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ai-chat-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-chat-avatar {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #F59E0B, #EA580C);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: 0 3px 8px rgba(245, 158, 11, 0.35);
}

.ai-chat-info h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.ai-chat-info span {
  font-size: 0.75rem;
  color: var(--primary-gold-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

.ai-chat-info span::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #10B981;
  border-radius: 50%;
  display: inline-block;
}

.ai-chat-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-btn-ctrl {
  color: #94A3B8;
  font-size: 1.1rem;
  padding: 4px;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.ai-btn-ctrl:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

/* Chat Messages Area */
.ai-chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: #F8FAFC;
}

.ai-msg {
  display: flex;
  gap: 10px;
  max-width: 90%;
}

.ai-msg.bot {
  align-self: flex-start;
}

.ai-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.ai-msg-avatar {
  width: 28px;
  height: 28px;
  background: var(--primary-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.ai-msg-bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.925rem;
  line-height: 1.6;
}

.ai-msg.bot .ai-msg-bubble {
  background: #FFFFFF;
  color: #1E293B;
  border: 1px solid #E2E8F0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border-top-left-radius: 4px;
}

.ai-msg.user .ai-msg-bubble {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: #0F172A;
  font-weight: 600;
  border-top-right-radius: 4px;
}

.ai-msg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.ai-action-btn {
  background: #F1F5F9;
  color: #0F172A;
  border: 1px solid #CBD5E1;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

.ai-action-btn:hover {
  background: #0F172A;
  color: #FFFFFF;
  border-color: #0F172A;
}

/* Quick Prompt Suggestions */
.ai-quick-prompts {
  padding: 10px 16px;
  background: #FFFFFF;
  border-top: 1px solid #E2E8F0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  white-space: nowrap;
}

.ai-quick-prompts::-webkit-scrollbar {
  height: 4px;
}
.ai-quick-prompts::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}

.ai-chip {
  padding: 6px 12px;
  background: rgba(245, 158, 11, 0.1);
  color: #B45309;
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.ai-chip:hover {
  background: var(--primary-gold);
  color: #0F172A;
}

/* Chat Input Bar */
.ai-chat-input-area {
  padding: 12px 16px;
  background: #FFFFFF;
  border-top: 1px solid #E2E8F0;
  display: flex;
  gap: 8px;
  align-items: center;
}

.ai-chat-input {
  flex: 1;
  padding: 10px 14px;
  border-radius: var(--radius-full);
  border: 1px solid #CBD5E1;
  background: #F8FAFC;
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.ai-chat-input:focus {
  border-color: var(--primary-gold);
  background: #FFFFFF;
}

.ai-chat-send-btn {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #F59E0B, #EA580C);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform var(--transition-fast);
}

.ai-chat-send-btn:hover {
  transform: scale(1.08);
}

/* Toast notification */
.toast-notice {
  position: fixed;
  bottom: 30px;
  left: 30px;
  background: #0F172A;
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border-left: 4px solid var(--primary-gold);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-smooth);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-title {
    font-size: 2.8rem;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .product-detail-card {
    grid-template-columns: 1fr;
  }
  .brandmall-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .contact-card-wrap {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #0B0F17;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .main-nav.mobile-open {
    display: flex;
  }
  .btn-mobile-toggle {
    display: flex;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .ai-chat-window {
    right: 12px;
    bottom: 84px;
    width: calc(100vw - 24px);
    height: 520px;
  }
  .ai-floating-btn {
    right: 16px;
    bottom: 16px;
    padding: 10px 16px;
  }
}