/* ==========================================================================
   YẾN SÀO BẢO LINH - HỆ THỐNG GIAO DIỆN HIỆN ĐẠI & ĐẲNG CẤP HOÀNG GIA
   Thương hiệu thành lập năm 2017 • Khánh Hòa
   Bộ nhận diện: Đỏ Ruby Hoàng Gia (#9E0B0F) & Vàng Kim (#D4AF37)
   ========================================================================== */

:root {
  /* Bảng màu nhận diện thương hiệu */
  --primary-red: #9e0b0f;
  --primary-red-hover: #b80f14;
  --dark-red: #660306;
  --deep-maroon: #480204;
  --soft-red: #fff0f1;

  --royal-gold: #d4af37;
  --gold-gradient: linear-gradient(135deg, #f7e6a7 0%, #d4af37 50%, #aa820a 100%);
  --gold-light: #faeec7;
  --gold-dark: #a17c09;

  --cream-bg: #faf7f2;
  --cream-card: #ffffff;
  --cream-soft: #f4efe6;

  --text-main: #1f1b1b;
  --text-muted: #5e5755;
  --text-light: #8a8280;

  --border-gold: rgba(212, 175, 55, 0.4);
  --border-light: rgba(0, 0, 0, 0.08);

  --shadow-sm: 0 4px 12px rgba(110, 8, 12, 0.06);
  --shadow-md: 0 10px 30px rgba(110, 8, 12, 0.1);
  --shadow-lg: 0 20px 50px rgba(110, 8, 12, 0.18);
  --shadow-gold: 0 8px 25px rgba(212, 175, 55, 0.35);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

/* ==========================================================================
   QUY CHUẨN ĐẶC BIỆT: SỐ ĐIỆN THOẠI TRÊN MỘT DÒNG & NGẮT DÒNG Ý TỨ
   ========================================================================== */
.phone-single-line, .phone-nowrap, .hotline-number {
  white-space: nowrap !important;
  display: inline-block !important;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.5px;
}

/* Định dạng ngắt dòng theo ngữ pháp tiếng Việt: Mỗi ý một dòng */
.idea-line {
  display: block;
  margin-bottom: 6px;
  line-height: 1.6;
}

.idea-line:last-child {
  margin-bottom: 0;
}

.idea-highlight-red {
  color: var(--primary-red);
  font-weight: 700;
}

.idea-highlight-gold {
  color: var(--gold-dark);
  font-weight: 700;
}

.idea-bullet-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0;
}

.idea-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.5;
}

.idea-bullet-icon {
  color: var(--royal-gold);
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 2px;
}


/* RESET CƠ BẢN */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--cream-bg);
  color: var(--text-main);
  line-height: 1.65;
  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);
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.3;
  font-weight: 700;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--soft-red);
  color: var(--primary-red);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(158, 11, 15, 0.2);
  margin-bottom: 12px;
}

.section-tag::before {
  content: '✦';
  color: var(--royal-gold);
  font-size: 0.9rem;
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 16px;
  color: var(--dark-red);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   TOP BAR & NAVIGATION
   ========================================================================== */
.top-bar {
  background: linear-gradient(90deg, var(--dark-red) 0%, var(--primary-red) 50%, var(--dark-red) 100%);
  color: #fff;
  font-size: 0.875rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-gold);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.top-info-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffffff;
}

.top-info-item span.icon {
  color: var(--royal-gold);
}

.top-info-item a:hover {
  color: var(--gold-light);
}

.top-badge-origin {
  background: rgba(212, 175, 55, 0.25);
  border: 1px solid var(--royal-gold);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 0.5px;
}

/* MAIN NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-bottom: 2px solid var(--royal-gold);
  transition: var(--transition);
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-logo-img {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--royal-gold);
  box-shadow: var(--shadow-gold);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.brand-logo-wrap:hover .brand-logo-img {
  transform: rotate(5deg) scale(1.05);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-red);
  letter-spacing: 0.5px;
  line-height: 1.15;
  white-space: nowrap !important;
  display: block;
}

.brand-name .brand-part {
  white-space: nowrap !important;
  display: inline-block;
}

.brand-tagline {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gold-dark);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  white-space: nowrap !important;
  margin-top: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-tagline .tagline-part {
  white-space: nowrap !important;
  display: inline-block;
}

.brand-tagline .tagline-dot {
  color: var(--royal-gold);
  font-size: 0.75rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 4px 2px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.22;
  white-space: nowrap !important;
}

.nav-link span {
  display: block;
  white-space: nowrap !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-red);
  transition: width 0.3s ease;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-cart-trigger {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--soft-red);
  border: 1px solid rgba(158, 11, 15, 0.2);
  color: var(--primary-red);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-cart-trigger:hover {
  background: var(--primary-red);
  color: #fff;
  transform: scale(1.06);
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--royal-gold);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}

.btn-cta-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold-gradient);
  color: var(--dark-red);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
  border: 1px solid #fff;
  cursor: pointer;
  transition: var(--transition);
}

.btn-cta-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.6);
  filter: brightness(1.05);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--dark-red);
  cursor: pointer;
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(72, 2, 4, 0.94) 0%, rgba(158, 11, 15, 0.88) 100%),
              url('Nhà Yến Sào Bảo Linh.jpg') center/cover no-repeat;
  color: #ffffff;
  padding: 80px 0;
  overflow: hidden;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.25) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 650px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid var(--royal-gold);
  color: var(--gold-light);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.18;
  color: #ffffff;
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--royal-gold);
  font-style: italic;
}

.hero-desc {
  font-size: 1.15rem;
  color: #f7e6e6;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold-gradient);
  color: var(--dark-red);
  font-size: 1.05rem;
  font-weight: 800;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 25px rgba(212, 175, 55, 0.45);
  border: 2px solid #ffffff;
  transition: var(--transition);
}

.btn-hero-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(212, 175, 55, 0.6);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  transition: var(--transition);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #ffffff;
  transform: translateY(-2px);
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.stat-item h3 {
  font-size: 2.2rem;
  color: var(--royal-gold);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.85rem;
  color: #ebdcdb;
  line-height: 1.3;
}

/* HERO VISUAL CARD */
.hero-visual-card {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-main-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 8px;
  background: linear-gradient(135deg, var(--royal-gold), rgba(255, 255, 255, 0.3));
  box-shadow: var(--shadow-lg), 0 0 40px rgba(212, 175, 55, 0.3);
  animation: heroCardFloat 5s ease-in-out infinite;
}

@keyframes heroCardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-main-card img {
  width: 100%;
  max-width: 440px;
  height: 480px;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 4px);
}

.hero-floating-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  color: var(--text-main);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--royal-gold);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
}

.hero-floating-badge.badge-top {
  top: 20px;
  left: -20px;
}

.hero-floating-badge.badge-bottom {
  bottom: 20px;
  right: -20px;
  border-left: 4px solid var(--primary-red);
}

.floating-icon {
  font-size: 1.8rem;
}

.floating-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--primary-red);
}

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

/* ==========================================================================
   VALUES & TRUST TICKER
   ========================================================================== */
.trust-bar {
  background: #ffffff;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.trust-box:hover {
  background: var(--soft-red);
  transform: translateY(-2px);
}

.trust-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--soft-red), #ffffff);
  border: 1.5px solid var(--royal-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary-red);
  flex-shrink: 0;
}

.trust-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-red);
  margin-bottom: 2px;
}

.trust-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* ==========================================================================
   STORY & FOUNDER SECTION
   ========================================================================== */
.story-section {
  padding: 90px 0;
  background: var(--cream-bg);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.story-media {
  position: relative;
}

.story-main-img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 3px solid #ffffff;
}

.story-sub-img {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 240px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 4px solid var(--royal-gold);
  box-shadow: var(--shadow-lg);
}

.story-tag-year {
  position: absolute;
  top: 20px;
  left: 20px;
  background: linear-gradient(135deg, var(--dark-red), var(--primary-red));
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--royal-gold);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.story-tag-year span.year {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--royal-gold);
  line-height: 1;
}

.story-tag-year span.lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.story-content h2 {
  font-size: 2.3rem;
  margin-bottom: 20px;
  color: var(--dark-red);
}

.story-content p {
  font-size: 1.02rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  text-align: justify;
}

.founder-quote {
  background: #ffffff;
  border-left: 4px solid var(--royal-gold);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
  font-style: italic;
  color: var(--text-main);
  position: relative;
}

.founder-profile-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.founder-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--royal-gold);
}

.founder-info h4 {
  font-size: 1.1rem;
  color: var(--primary-red);
  margin-bottom: 2px;
}

.founder-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   PRODUCTS CATALOG (INTERACTIVE)
   ========================================================================== */
.products-section {
  padding: 90px 0;
  background: #ffffff;
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 36px 0 48px;
}

.filter-btn {
  background: var(--cream-soft);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--text-main);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary-red);
  color: #ffffff;
  border-color: var(--primary-red);
  box-shadow: 0 4px 14px rgba(158, 11, 15, 0.25);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  background: var(--cream-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-gold);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(212, 175, 55, 0.25);
  border-color: var(--royal-gold);
}

.product-media {
  position: relative;
  height: 280px;
  overflow: hidden;
  background: #f0ece3;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-media img {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--primary-red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--royal-gold);
}

.product-quick-view {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-red);
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(10px);
}

.product-card:hover .product-quick-view {
  opacity: 1;
  transform: translateY(0);
}

.product-quick-view:hover {
  background: var(--primary-red);
  color: #fff;
}

.product-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-category {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--royal-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.product-title {
  font-size: 1.25rem;
  color: var(--dark-red);
  margin-bottom: 8px;
  line-height: 1.35;
}

.product-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-weight-selector {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.weight-btn {
  flex: 1;
  background: var(--cream-soft);
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 6px 0;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.weight-btn.active {
  background: var(--soft-red);
  color: var(--primary-red);
  border-color: var(--primary-red);
  font-weight: 700;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-top: 12px;
  border-top: 1px dashed rgba(0, 0, 0, 0.1);
}

.price-main {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-red);
}

.price-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.btn-add-cart {
  background: linear-gradient(135deg, var(--dark-red), var(--primary-red));
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-add-cart:hover {
  background: linear-gradient(135deg, var(--primary-red), var(--primary-red-hover));
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(158, 11, 15, 0.3);
}

.btn-consult-now {
  background: var(--gold-light);
  border: 1px solid var(--royal-gold);
  color: var(--dark-red);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: var(--transition);
}

.btn-consult-now:hover {
  background: var(--royal-gold);
  color: #fff;
}

/* ==========================================================================
   VIDEO TOUR & MULTIMEDIA
   ========================================================================== */
.multimedia-section {
  padding: 90px 0;
  background: linear-gradient(180deg, var(--deep-maroon) 0%, var(--dark-red) 100%);
  color: #ffffff;
}

.multimedia-section .section-title {
  color: #ffffff;
}

.multimedia-section .section-subtitle {
  color: #e6d3d3;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.video-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  transform: translateY(-8px);
  border-color: var(--royal-gold);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 25px rgba(212, 175, 55, 0.3);
}

.video-wrapper {
  position: relative;
  height: 230px;
  background: #000;
  cursor: pointer;
  overflow: hidden;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-card:hover .video-wrapper video {
  transform: scale(1.05);
}

.video-play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.video-card:hover .video-play-overlay {
  background: rgba(0, 0, 0, 0.15);
}

.play-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-red);
  font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.6);
  transition: transform 0.3s ease;
}

.video-card:hover .play-circle {
  transform: scale(1.15);
}

.video-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.video-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--royal-gold);
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid var(--royal-gold);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.video-info h3 {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.video-info p {
  font-size: 0.88rem;
  color: #dfcece;
  line-height: 1.5;
}

/* ==========================================================================
   PHOTO GALLERY & PROCESS
   ========================================================================== */
.gallery-section {
  padding: 90px 0;
  background: var(--cream-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.gallery-item {
  position: relative;
  height: 290px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-6px);
  border-color: var(--royal-gold);
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(72, 2, 4, 0.9) 0%, rgba(72, 2, 4, 0) 100%);
  padding: 24px 18px 14px;
  color: #ffffff;
  transform: translateY(10px);
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.gallery-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--royal-gold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.gallery-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 4px 0 2px;
}

.gallery-caption {
  font-size: 0.78rem;
  color: #e0d0d0;
  opacity: 0.9;
}

/* ==========================================================================
   5-STEP PROCESS TIMELINE
   ========================================================================== */
.process-section {
  padding: 90px 0;
  background: #ffffff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 50px;
}

.process-card {
  background: var(--cream-soft);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  position: relative;
  border: 1px solid var(--border-gold);
  transition: var(--transition);
}

.process-card:hover {
  transform: translateY(-6px);
  background: #ffffff;
  box-shadow: var(--shadow-md);
  border-color: var(--primary-red);
}

.process-step-num {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dark-red), var(--primary-red));
  color: var(--royal-gold);
  font-size: 0.9rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.process-icon {
  font-size: 2.2rem;
  margin: 10px 0 14px;
}

.process-card h4 {
  font-size: 1.05rem;
  color: var(--dark-red);
  margin-bottom: 8px;
}

.process-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   COOKING GUIDE & DOSAGE CALCULATOR
   ========================================================================== */
.guide-section {
  padding: 90px 0;
  background: var(--cream-bg);
}

.guide-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  margin-top: 48px;
}

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

.guide-step-item {
  display: flex;
  gap: 20px;
  background: #ffffff;
  padding: 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--royal-gold);
  transition: var(--transition);
}

.guide-step-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.step-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--soft-red);
  color: var(--primary-red);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(158, 11, 15, 0.2);
}

.step-content h4 {
  font-size: 1.1rem;
  color: var(--primary-red);
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* DOSAGE CALCULATOR BOX */
.calc-box {
  background: #ffffff;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-gold);
  box-shadow: var(--shadow-md);
}

.calc-box h3 {
  font-size: 1.4rem;
  color: var(--dark-red);
  margin-bottom: 8px;
}

.calc-box p.intro {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-select, .form-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  background: #faf7f2;
  font-size: 0.95rem;
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

.form-select:focus, .form-input:focus {
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(158, 11, 15, 0.1);
  background: #ffffff;
}

.calc-result-box {
  background: var(--soft-red);
  border: 1.5px dashed var(--primary-red);
  padding: 20px;
  border-radius: var(--radius-md);
  margin-top: 24px;
}

.calc-result-box h4 {
  font-size: 1rem;
  color: var(--primary-red);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc-result-box p {
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.5;
}

/* ==========================================================================
   GOOGLE MAPS & CONTACT
   ========================================================================== */
.contact-section {
  padding: 90px 0;
  background: #ffffff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 48px;
}

.contact-card {
  background: var(--cream-soft);
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-gold);
  box-shadow: var(--shadow-sm);
}

.contact-card h3 {
  font-size: 1.6rem;
  color: var(--dark-red);
  margin-bottom: 12px;
}

.contact-card p.lead {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--soft-red);
  border: 1.5px solid var(--royal-gold);
  color: var(--primary-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--primary-red);
  margin-bottom: 2px;
}

.contact-text p, .contact-text a {
  font-size: 0.92rem;
  color: var(--text-main);
}

.contact-text a:hover {
  color: var(--primary-red);
  text-decoration: underline;
}

.contact-action-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-hotline {
  background: linear-gradient(135deg, var(--dark-red), var(--primary-red));
  color: #ffffff;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(158, 11, 15, 0.3);
}

.btn-hotline:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-maps {
  background: var(--gold-gradient);
  color: var(--dark-red);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-gold);
}

.btn-maps:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

/* MAPS WRAPPER */
.maps-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--royal-gold);
  position: relative;
  height: 100%;
  min-height: 420px;
}

.maps-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.maps-floating-info {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.maps-floating-info span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark-red);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: linear-gradient(180deg, var(--deep-maroon) 0%, #200002 100%);
  color: #ffffff;
  padding: 70px 0 24px;
  border-top: 3px solid var(--royal-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  font-size: 1.15rem;
  color: var(--royal-gold);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--royal-gold);
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: #dfcdcd;
  line-height: 1.6;
  margin: 16px 0 20px;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: #d1bebe;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--royal-gold);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.88rem;
  color: #dfcdcd;
}

.footer-contact-item span.icon {
  color: var(--royal-gold);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #ab9b9b;
}

.footer-bottom a {
  color: var(--royal-gold);
}

/* ==========================================================================
   MODALS: CART, PRODUCT QUICK VIEW, VIDEO PLAYER, LIGHTBOX
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 10001;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.modal-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
  border: 2px solid var(--royal-gold);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-backdrop.active .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--soft-red);
  color: var(--primary-red);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.modal-close-btn:hover {
  background: var(--primary-red);
  color: #fff;
}

/* CART DRAWER */
.cart-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 400px;
  max-width: 100%;
  height: 100%;
  background: #ffffff;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
  z-index: 10002;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.cart-drawer.open {
  right: 0;
}

.cart-header {
  background: linear-gradient(135deg, var(--dark-red), var(--primary-red));
  color: #ffffff;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--royal-gold);
}

.cart-header h3 {
  font-size: 1.25rem;
  color: #ffffff;
}

.cart-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.cart-empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.cart-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.cart-item-img {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border-gold);
}

.cart-item-info {
  flex: 1;
}

.cart-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark-red);
}

.cart-item-weight {
  font-size: 0.8rem;
  color: var(--royal-gold);
  font-weight: 600;
}

.cart-item-price {
  font-size: 0.92rem;
  color: var(--primary-red);
  font-weight: 700;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.qty-btn {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid #ccc;
  background: #f7f7f7;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-footer {
  padding: 20px;
  background: var(--cream-soft);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cart-total-price {
  color: var(--primary-red);
}

.btn-checkout {
  width: 100%;
  background: linear-gradient(135deg, var(--dark-red), var(--primary-red));
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(158, 11, 15, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-checkout:hover {
  filter: brightness(1.1);
}

/* QUICK FLOATING CONTACT (Zalo & Phone Buttons) */
.floating-actions {
  position: fixed;
  left: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9998;
}

.floating-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease;
  position: relative;
}

.floating-btn:hover {
  transform: scale(1.1);
}

.floating-btn.btn-phone {
  background: linear-gradient(135deg, #10b981, #059669);
  animation: phonePulse 2s infinite;
}

@keyframes phonePulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 14px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.floating-btn.btn-zalo {
  background: #0068ff;
  font-weight: 800;
  font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    margin: 0 auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-stats-row {
    max-width: 500px;
    margin: 0 auto;
  }
  .story-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .products-grid, .video-grid, .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .guide-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-bar-inner {
    justify-content: center;
    text-align: center;
  }
  .nav-links {
    position: fixed;
    top: 75px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 24px 0;
    gap: 16px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .mobile-menu-btn {
    display: block;
  }
  .btn-cta-gold {
    display: none;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid, .video-grid, .gallery-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .floating-actions {
    left: 16px;
    bottom: 80px;
  }
}