/* ==========================================================================
   TM FOODS - THỰC PHẨM SẠCH NHẬP KHẨU
   Style System & UI Components (UI/UX Pro Max Standard)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
  /* Brand Colors */
  --primary: #1B8738;
  --primary-hover: #146c2c;
  --primary-light: #eaf6ed;
  --primary-glow: rgba(27, 135, 56, 0.25);

  --accent: #DC2626;
  --accent-hover: #b91c1c;
  --accent-light: #fef2f2;
  --accent-glow: rgba(220, 38, 38, 0.25);

  --messenger: #0084FF;
  --messenger-hover: #0073e6;
  --messenger-glow: rgba(0, 132, 255, 0.35);

  --facebook: #1877F2;
  --facebook-hover: #166fe5;

  /* Neutrals */
  --bg-page: #F8FAF9;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-subtle: #F1F5F3;

  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  --border: #E2E8F0;
  --border-light: #EDF2F0;
  --border-focus: #1B8738;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -4px rgba(0, 0, 0, 0.08), 0 4px 8px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 35px -5px rgba(0, 0, 0, 0.1), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow-primary: 0 8px 20px var(--primary-glow);
  --shadow-glow-accent: 0 8px 20px var(--accent-glow);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max: 1200px;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  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;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

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

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.brand-logo-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
}

.brand-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

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

.brand-logo-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-logo-sub {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary);
  border-radius: var(--radius-full);
}

/* Header CTA */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.925rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: all var(--transition-normal);
  cursor: pointer;
  text-align: center;
  max-width: 100%;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-primary);
  color: var(--text-inverse);
}

.btn-accent {
  background-color: var(--accent);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-accent);
  color: var(--text-inverse);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-messenger {
  background-color: var(--messenger);
  color: #FFFFFF;
}

.btn-messenger:hover {
  background-color: var(--messenger-hover);
  box-shadow: 0 6px 16px var(--messenger-glow);
  transform: translateY(-2px);
}

.btn-facebook {
  background-color: var(--facebook);
  color: #FFFFFF;
}

.btn-facebook:hover {
  background-color: var(--facebook-hover);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
}

.mobile-toggle:hover {
  background-color: var(--bg-subtle);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--bg-surface);
  padding: 24px;
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-top: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

/* --- Hero Section --- */
.hero-section {
  padding: 48px 0 64px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--primary-light);
  color: var(--primary);
  align-self: flex-start;
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.hero-title span {
  color: var(--primary);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 520px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hero-visual-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  transform: perspective(1000px) rotateY(-2deg);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.hero-visual-card:hover {
  transform: perspective(1000px) rotateY(0deg) scale(1.01);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.hero-image {
  width: 100%;
  height: 440px;
  object-fit: cover;
  display: block;
}

.hero-floating-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.hero-floating-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* --- Section Shared Styles --- */
.section {
  padding: 80px 0;
}

.section-bg-subtle {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* --- Quality Pillars (3 Cam kết) --- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pillar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.pillar-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pillar-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Product Cards & Grid --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.product-media {
  position: relative;
  overflow: hidden;
  height: 240px;
  background-color: #f1f5f3;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-image {
  transform: scale(1.06);
}

.product-badge-overlay {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.product-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.product-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.product-desc {
  font-size: 0.885rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex-grow: 1;
}

.product-footer {
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Interactive Product Gallery (On products.html) --- */
.product-detail-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: start;
}

.gallery-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gallery-main-frame {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
}

.gallery-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--transition-fast);
}

.gallery-thumbnails {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.gallery-thumb {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
  opacity: 0.65;
  transition: all var(--transition-fast);
}

.gallery-thumb:hover, .gallery-thumb.active {
  border-color: var(--primary);
  opacity: 1;
  transform: translateY(-2px);
}

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

.detail-info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.detail-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
}

.detail-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

.tag-pill.tag-primary {
  background: var(--primary-light);
  color: var(--primary);
}

.detail-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.detail-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
}

.detail-spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--text-secondary);
}

.detail-spec-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Category Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.925rem;
  font-weight: 700;
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-glow-primary);
}

/* --- Brand Banner Feature Section --- */
.brand-showcase-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: 40px 0;
}

.brand-banner-img {
  width: 100%;
  max-height: 380px;
  object-fit: contain;
  background-color: #FFFFFF;
  display: block;
}

/* --- Direct Order Callout Block --- */
.direct-order-box {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  color: #FFFFFF;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.direct-order-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(27, 135, 56, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.direct-order-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.direct-order-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.direct-order-desc {
  font-size: 1.1rem;
  color: #cbd5e1;
  line-height: 1.6;
}

/* --- Contact Hub Cards (On contact.html) --- */
.contact-hub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto 48px;
}

.contact-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.contact-icon-large {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
}

.contact-icon-messenger {
  background: linear-gradient(135deg, #00B2FF 0%, #006AFF 100%);
  box-shadow: 0 10px 20px rgba(0, 106, 255, 0.3);
}

.contact-icon-facebook {
  background: #1877F2;
  box-shadow: 0 10px 20px rgba(24, 119, 242, 0.3);
}

.contact-card-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
}

.contact-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.quick-prompts-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  margin-top: 8px;
}

.quick-prompt-chip {
  padding: 8px 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* Service Badge Banner */
.service-location-banner {
  max-width: 680px;
  margin: 0 auto;
  background: var(--primary-light);
  border: 1px solid rgba(27, 135, 56, 0.2);
  border-radius: var(--radius-full);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
}

/* --- Cut Guide Table Section --- */
.cut-guide-section {
  margin-top: 64px;
}

.cut-guide-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.cut-guide-header {
  margin-bottom: 24px;
}

.cut-guide-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.cut-guide-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 6px;
}

.cut-guide-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.cut-guide-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.cut-guide-table th {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.cut-guide-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  vertical-align: middle;
}

.cut-guide-table tr:last-child td {
  border-bottom: none;
}

.cut-guide-table tr:hover td {
  background-color: #fafdfb;
}

.badge-thickness {
  display: inline-block;
  padding: 4px 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
}

/* --- Floating Messenger Button --- */
.floating-messenger-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00B2FF 0%, #006AFF 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px var(--messenger-glow);
  z-index: 1001;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.floating-messenger-btn:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 106, 255, 0.5);
}

.floating-messenger-btn::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid #00B2FF;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.4);
    opacity: 0;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* --- Back To Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 36px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--text-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* --- Toast Notification --- */
.tm-toast {
  position: fixed;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background: #0F172A;
  color: #FFFFFF;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  max-width: 90vw;
  text-align: center;
}

.tm-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* --- Footer --- */
.site-footer {
  background-color: #0F172A;
  color: #94A3B8;
  padding: 64px 0 32px;
  border-top: 1px solid #1E293B;
  font-size: 0.925rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #FFFFFF;
}

.footer-brand-desc {
  line-height: 1.6;
  max-width: 360px;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid #1E293B;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #64748B;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-detail-card {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }
  .nav-menu, .header-actions {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-visual-card {
    transform: none;
  }
  .hero-image {
    height: 320px;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .contact-hub-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .direct-order-box {
    padding: 36px 20px;
  }
  .direct-order-title {
    font-size: 1.65rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 1.65rem;
    line-height: 1.25;
    word-break: normal;
    overflow-wrap: break-word;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .floating-messenger-btn {
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
  }
  .back-to-top {
    bottom: 86px;
    right: 26px;
    width: 40px;
    height: 40px;
  }
}