/* ============================================================
   LOGISQUEST — DESIGN SYSTEM & COLOR TOKENS
   Palette: Maritime Adventure (trích xuất từ anh-bia-2.jpg)
   Màu bắt buộc: Trắng #FFFFFF | Xanh #1A7FB5 | Vàng #F5C52A
   File màu đầy đủ: color-palette.css
   ============================================================ */
:root {
  /* ─── PRIMARY COLOR PALETTE (Tông màu Sáng: Trắng, Xanh Da Trời, Vàng) ─── */

  /* Trắng (Cloud White) */
  --color-white:         #FFFFFF;

  /* Xanh Da Trời (Sky Blue) */
  --color-sky-lightest:  #F0F9FF;   /* Nền trang siêu nhẹ */
  --color-sky-light:     #E0F2FE;   /* Nền section xanh da trời nhạt */
  --color-sky-soft:      #BAE6FD;   /* Viền mềm / Hover background */
  --color-sky:           #0EA5E9;   /* Xanh da trời chính (Sky Blue 500) */
  --color-sky-bright:    #38BDF8;   /* Xanh da trời sáng */
  --color-sky-dark:      #0284C7;   /* Xanh da trời đậm */
  --color-sky-deep:      #0369A1;   /* Xanh da trời đại dương */

  /* Vàng (Quest Gold / Warm Yellow) */
  --color-yellow:        #F59E0B;   /* Vàng ấm */
  --color-yellow-bright: #FACC15;   /* Vàng rực rỡ */
  --color-yellow-hover:  #FBBF24;
  --color-yellow-dark:   #D97706;

  /* Accent phụ (Cam & Đỏ) */
  --color-orange:        #F97316;
  --color-red:           #EF4444;

  /* ─── SEMANTIC TOKENS (NỀN SÁNG TRONG TRẺO CHUẨN XANH TRỜI TRẮNG VÀNG) ─── */

  /* Backgrounds */
  --bg-primary:          #FFFFFF;   /* Nền chính TRẮNG TINH KHIẾT */
  --bg-secondary:        #F0F7FF;   /* Nền section XANH DA TRỜI TƯƠI MÁT */
  --bg-tertiary:         #E1F0FF;   /* Nền thẻ bài & khung chức năng */

  /* Borders */
  --border-color:        #BAE6FD;   /* Viền Xanh Da Trời */
  --border-sky:          #0EA5E9;   /* Viền Xanh Da Trời Đậm */
  --border-yellow:       #F59E0B;   /* Viền Vàng */

  /* Accents */
  --accent:              #F59E0B;   /* Vàng Accent chính */
  --sky:                 #0EA5E9;   /* Xanh Da Trời Accent */

  --accent-glow:         rgba(245, 158, 11, 0.25);
  --sky-glow:            rgba(14, 165, 233, 0.25);
  --card-glow:           0 8px 24px rgba(14, 165, 233, 0.12);
  --accent-text-shadow:  0 0 12px rgba(245, 158, 11, 0.4);

  /* Text (Độ tương phản cao, rõ ràng trên nền sáng) */
  --text-primary:        #0F172A;   /* Chữ chính ĐẬM RÕ RÀNG (Slate 900) */
  --text-secondary:      #0369A1;   /* Chữ phụ XANH DA TRỜI ĐẬM (Sky 700) */
  --text-muted:          #475569;   /* Chữ ghi chú (Slate 600) */
  --white:               #FFFFFF;

  /* Fonts */
  --font-display:        'Cormorant Garamond', serif;
  --font-body:           'Montserrat', sans-serif;

  /* Layout & Spacing */
  --header-height:       68px;
  --container-width:     1200px;
  --border-radius-sm:    4px;
  --border-radius-md:    8px;
  --border-radius-lg:    16px;

  /* Shadows */
  --shadow-sm:           0 4px 12px rgba(14, 165, 233, 0.08);
  --shadow-md:           0 8px 24px rgba(14, 165, 233, 0.12);
  --shadow-lg:           0 16px 40px rgba(14, 165, 233, 0.18);

  /* Transitions */
  --transition-fast:     0.2s ease;
  --transition-normal:   0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow:     0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}


/* GENERAL RESETS & BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

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

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

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.5px;
}

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

/* CONTAINERS & BUTTONS */
.section-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 80px 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-yellow) 0%, #F97316 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
  font-weight: 700;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #F97316 0%, var(--color-yellow) 100%);
  color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.45);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--color-sky-dark);
  border-color: var(--color-sky);
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.1);
  font-weight: 600;
}

.btn-secondary:hover {
  background-color: var(--color-sky-lightest);
  border-color: var(--color-sky-dark);
  color: var(--color-sky-deep);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.2);
}

/* SECTION HEADER TEMPLATE */
.section-header {
  margin-bottom: 50px;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  color: var(--text-primary);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3.5rem;
  }
}

.section-description {
  max-width: 600px;
  margin: 15px auto 0;
  color: var(--text-secondary);
}

.section-divider {
  width: 60px;
  height: 2px;
  background-color: var(--accent);
  margin: 25px auto 0;
}

/* HEADER NAVIGATION */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: #FFFFFF !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 12px rgba(14, 165, 233, 0.1);
  z-index: 1000;
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s ease;
  transform: translateY(0);
  will-change: transform;
}

/* Tự động đẩy header lên khi cuộn xuống và trượt xuống khi cuộn lên */
.main-header.header-hidden {
  transform: translateY(-100%);
  box-shadow: none;
}

.header-container {
  max-width: var(--container-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.sub-logo {
  font-family: var(--font-body);
  font-size: 0.5625rem;
  letter-spacing: 3.5px;
  color: var(--color-sky);
  margin-top: 2px;
  font-weight: 600;
}

.nav-menu {
  display: none;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #334155;
  padding: 8px 0;
  position: relative;
  text-decoration: none;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--sky), var(--accent));
  transition: var(--transition-fast);
}

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

/* NAV DROPDOWN MENU FOR GIỚI THIỆU */
.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.dropdown-caret {
  font-size: 0.65rem;
  margin-left: 2px;
  transition: transform var(--transition-fast);
  display: inline-block;
}

.nav-dropdown:hover .dropdown-caret {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.18), 0 4px 16px rgba(0, 0, 0, 0.08);
  min-width: 210px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 1100;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.dropdown-item:hover, .dropdown-item.active {
  background-color: var(--bg-secondary);
  color: var(--color-sky);
}

.dropdown-icon {
  font-size: 0.95rem;
}

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

.mobile-toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 16px;
  z-index: 1002;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 992px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
  }
  .mobile-toggle {
    display: none;
  }
}

/* MOBILE NAVIGATION DRAWER */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  /* Solid dark background matching the header, no transparency/blur */
  background-color: var(--bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 40px;
  transform: translateX(-100%);
  transition: transform var(--transition-normal) ease-in-out;
  border-top: 1px solid var(--border-color);
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-link {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.mobile-link:hover {
  color: var(--accent);
}

/* HERO SECTION */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg,
    rgba(7, 26, 48, 0.10) 0%,
    rgba(7, 26, 48, 0.40) 40%,
    rgba(7, 26, 48, 0.88) 80%,
    rgba(7, 26, 48, 0.98) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  text-align: center;
  padding: 0 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 2px;
  margin-bottom: 12px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 5rem;
  }
}

.accent-title {
  color: var(--accent);
  display: block;
}

@media (min-width: 768px) {
  .accent-title {
    display: inline;
    margin-left: 10px;
  }
}

.hero-slogan {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  text-shadow: var(--accent-text-shadow);
}

@media (min-width: 768px) {
  .hero-slogan {
    font-size: 1.5rem;
  }
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

@media (min-width: 576px) {
  .hero-buttons {
    flex-direction: row;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.6875rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.arrow-down {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) rotate(45deg);
  }
  40% {
    transform: translateY(-8px) rotate(45deg);
  }
  60% {
    transform: translateY(-4px) rotate(45deg);
  }
}

/* LORE / ABOUT SECTION */
.lore-section {
  background-color: var(--bg-secondary);
}

.lore-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  align-items: center;
}

@media (min-width: 992px) {
  .lore-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
  }
}

.lore-image {
  position: relative;
}

.image-wrapper {
  border: 1px solid var(--border-color);
  padding: 12px;
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  margin: 6px;
  pointer-events: none;
  opacity: 0.3;
}

.lore-img {
  border-radius: var(--border-radius-sm);
  width: 100%;
  height: auto;
  display: block;
}

.lore-text h3 {
  font-size: 1.875rem;
  margin-bottom: 20px;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 12px;
}

.lore-text h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--accent);
}

.lore-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.9375rem;
}

.lore-features {
  margin-top: 35px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 576px) {
  .lore-features {
    grid-template-columns: 1fr 1fr;
  }
}

.feature-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  line-height: 1;
}

.feature-info h4 {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.feature-info p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.5;
}

/* CARDS DATABASE SECTION */
.cards-section {
  background-color: var(--bg-primary);
}

.gallery-controls {
  margin-bottom: 50px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

@media (min-width: 768px) {
  .gallery-controls {
    flex-direction: row;
    justify-content: space-between;
  }
}

.search-box {
  position: relative;
  width: 100%;
  max-width: 320px;
}

.search-box input {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 40px 12px 16px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--sky);
  box-shadow: 0 0 10px var(--sky-glow);
}

.search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.tab-btn {
  background: none;
  border: 1px solid var(--color-sky);
  color: var(--text-secondary);
  padding: 8px 18px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background-color: rgba(56, 189, 248, 0.15);
  border-color: var(--color-yellow);
  color: var(--color-yellow);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--color-yellow) 0%, var(--color-yellow-hover) 100%);
  border-color: transparent;
  color: #061325;
  font-weight: 700;
  box-shadow: 0 0 16px rgba(250, 204, 21, 0.35);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 30px;
}

.loading-placeholder {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* CUSTOM CARD DESIGN & INTERACTION */
.card-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-normal);
  perspective: 1000px;
}

.card-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  margin: 6px;
  pointer-events: none;
  opacity: 0.12;
  border-radius: calc(var(--border-radius-md) - 4px);
  transition: var(--transition-fast);
}

/* 3D tilt effect on hover */
.card-item:hover {
  transform: translateY(-10px) rotateX(6deg) rotateY(-4deg);
  border-color: var(--color-ocean);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(76,189,232,0.15), var(--card-glow);
}

.card-item:hover::before {
  opacity: 0.45;
  border-color: var(--sky);
}

.card-img-container {
  aspect-ratio: 5 / 7;
  overflow: hidden;
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-primary);
  position: relative;
  border: 1px solid var(--border-color);
}

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

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

.card-info {
  margin-top: 14px;
  padding: 0 4px 6px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-type {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* GAMEPLAY GUIDE SECTION */
.gameplay-section {
  background-color: var(--bg-secondary);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 992px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 36px 24px;
  position: relative;
  transition: all var(--transition-fast);
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--border-color);
  transition: var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.step-card:hover::before {
  background-color: var(--accent);
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.75;
  line-height: 1;
  margin-bottom: 20px;
}

.step-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CTA BANNER SECTION */
.cta-section {
  background: linear-gradient(rgba(7, 26, 48, 0.88), rgba(13, 46, 84, 0.92)), url('assets/anh-bia-2.jpg');
  background-size: cover;
  background-position: center;
  border-top: 1px solid var(--color-ocean);
  border-bottom: 1px solid var(--color-ocean);
}

.cta-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 100px 24px;
}

.cta-content h2 {
  font-size: 2.25rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .cta-content h2 {
    font-size: 3.5rem;
  }
}

.cta-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 35px;
}

/* FOOTER STYLES LOCATED AT END OF FILE */

/* CARD DETAILS MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(7, 26, 48, 0.96);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 850px;
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2.25rem;
  cursor: pointer;
  z-index: 10;
  line-height: 1;
}

.modal-close:hover {
  color: var(--accent);
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr;
  padding: 40px 24px;
  gap: 30px;
}

@media (min-width: 768px) {
  .modal-body {
    grid-template-columns: 1.1fr 1.5fr;
    padding: 50px;
    gap: 40px;
  }
}

.modal-card-view {
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-card-frame {
  max-width: 280px;
  width: 100%;
  aspect-ratio: 5 / 7;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--accent);
  padding: 8px;
  background-color: var(--bg-primary);
  box-shadow: 0 0 25px var(--accent-glow);
}

.modal-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
}

.modal-card-details {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.modal-card-type {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.modal-card-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.modal-card-effect {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-card-strategy h3 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 8px;
}

.modal-card-strategy p {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* NEW RULES SECTION STYLES */
.rules-block {
  margin-top: 40px;
}

.rules-subtitle {
  font-size: 1.5rem;
  color: var(--accent);
  margin: 40px 0 15px;
  text-align: left;
  border-left: 3px solid var(--accent);
  padding-left: 15px;
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.rules-desc-intro {
  color: var(--text-secondary);
  margin-bottom: 30px;
  font-size: 0.9375rem;
}

.flow-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 50px;
}

@media (min-width: 576px) {
  .flow-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .flow-container {
    grid-template-columns: repeat(4, 1fr);
  }
}

.flow-step {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px 20px;
  position: relative;
  transition: all var(--transition-fast);
}

.flow-step:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.flow-num {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.flow-step h4 {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.flow-step p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.incoterms-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .incoterms-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.incoterm-group-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px;
  position: relative;
  transition: all var(--transition-fast);
}

.incoterm-group-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.incoterm-group-card h4 {
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.group-intro {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-style: italic;
  line-height: 1.4;
}

.group-list {
  list-style: none;
}

.group-list li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  position: relative;
  padding-left: 18px;
}

.group-list li strong {
  color: var(--text-primary);
}

.group-list li::before {
  content: "⚓";
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 0.75rem;
  color: var(--accent);
}

/* VIRTUAL VIEWS LAYOUT */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* ALTERNATING FEATURE SECTIONS */
.feature-section {
  padding: 80px 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.feature-section.alt-bg {
  background-color: var(--bg-secondary);
}

.feature-row {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}

.feature-col-img {
  width: 100%;
  flex: 1;
}

.feature-col-text {
  width: 100%;
  flex: 1.2;
}

@media (min-width: 992px) {
  .feature-row {
    flex-direction: row;
    gap: 80px;
  }
  
  .feature-row.row-reverse {
    flex-direction: row-reverse;
  }
}

.feature-title {
  font-size: 2.2rem;
  line-height: 1.15;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  flex-direction: column;
}

.feature-title .sub-title {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 10px;
}

.feature-line {
  width: 80px;
  height: 2px;
  background-color: var(--accent);
  margin: 20px 0 25px;
  box-shadow: 0 0 8px var(--accent-glow);
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  text-align: justify;
}

/* HERO SECTION UPDATES (For Full Image Banner) */
.hero-subtext {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 35px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

@media (min-width: 768px) {
  .hero-subtext {
    font-size: 2rem;
  }
}

/* CTA LAYOUT WITH MOCKUP */
.cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.cta-img-area {
  display: flex;
  justify-content: center;
}

.cta-mockup-img {
  max-width: 320px;
  width: 100%;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg), 0 20px 40px rgba(0, 0, 0, 0.7);
  transition: transform var(--transition-slow);
}

.cta-mockup-img:hover {
  transform: scale(1.05) rotate(2deg);
}

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

@media (min-width: 768px) {
  .cta-grid {
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
  }
  .cta-text-area {
    text-align: left;
  }
}

/* HOME FEATURES GRID */
.features-grid-section {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.home-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 40px;
}

@media (min-width: 576px) {
  .home-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .home-features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.home-feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 35px 25px;
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.home-feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  margin: 6px;
  pointer-events: none;
  opacity: 0.1;
  border-radius: calc(var(--border-radius-md) - 4px);
  transition: var(--transition-fast);
}

.home-feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg), var(--card-glow);
}

.home-feature-card:hover::before {
  opacity: 0.4;
}

.h-card-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: inline-block;
  line-height: 1;
  transition: transform var(--transition-normal);
}

.home-feature-card:hover .h-card-icon {
  transform: scale(1.15) rotate(5deg);
}

.home-feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.home-feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ABOUT VIEW & INTRO */
.about-intro-section {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.about-subheading {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
  line-height: 1.3;
}

/* CREATIVE TEAM SECTION */
.team-section {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.team-section.alt-bg {
  background-color: var(--bg-secondary);
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 40px;
}

@media (min-width: 576px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .team-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.team-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px 25px;
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  margin: 6px;
  pointer-events: none;
  opacity: 0.1;
  border-radius: calc(var(--border-radius-md) - 4px);
  transition: var(--transition-fast);
}

.team-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg), var(--card-glow);
}

.team-card:hover::before {
  opacity: 0.4;
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 25px;
  background: linear-gradient(135deg, var(--border-color) 0%, var(--bg-tertiary) 100%);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--accent);
  transition: all var(--transition-normal);
}

.team-card:hover .team-avatar {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--accent) 100%);
  color: var(--bg-primary);
  transform: scale(1.05);
}

.team-name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.team-role {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 16px;
}

.team-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   NEW HOME PAGE — INSPIRED BY QUYCHIEN.COM AESTHETIC
   ============================================================ */

/* ---- HERO BANNER: FULL SCREEN COVER IMAGE BACKGROUND LAYER ---- */
.home-banner-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.home-banner-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.home-banner-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  filter: none !important;
}

/* Dòng chữ Hải Trình Đã Mở ở chính giữa, góc dưới hình bìa toàn màn hình */
.home-banner-caption {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  width: 90%;
  max-width: 900px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.home-banner-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.05;
  color: #FACC15;
  white-space: nowrap;
  -webkit-text-stroke: none !important;
  text-shadow: 
    0 4px 24px rgba(0, 0, 0, 0.95),
    0 2px 8px rgba(0, 0, 0, 0.95),
    0 0 35px rgba(0, 0, 0, 0.85);
  margin: 0;
}

.home-banner-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2.8vw, 1.8rem);
  color: #FFFFFF;
  letter-spacing: 1px;
  -webkit-text-stroke: none !important;
  text-shadow: 
    0 3px 16px rgba(0, 0, 0, 0.95),
    0 1px 4px rgba(0, 0, 0, 0.95);
  margin: 0;
}



/* Loại bỏ hoàn toàn bóng mờ, blur frame và chỉ báo cuộn */
.home-hero-overlay,
.hero-overlay,
.home-hero-scroll,
.scroll-indicator {
  display: none !important;
}

@keyframes home-scroll-pulse {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.4; transform: translateX(-50%) translateY(6px); }
}

/* ---- SHARED LABEL ---- */
.home-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ---- SHARED DIVIDER ---- */
.home-hr {
  width: 48px;
  height: 1px;
  background-color: var(--text-muted);
  margin: 20px 0;
}

/* ---- ABOUT SECTION ---- */
.home-about-section {
  padding: 100px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

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

@media (min-width: 768px) {
  .home-section-inner {
    grid-template-columns: 1fr 1fr;
    gap: 80px;
  }
}

.home-about-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}

.home-about-subheading {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 8px;
}

.home-about-desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  text-align: justify;
  margin-bottom: 16px;
}

.home-about-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
}

.home-about-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: brightness(0.85);
  transition: filter var(--transition-slow);
}

.home-about-img-wrap:hover .home-about-img {
  filter: brightness(1);
}

/* ---- FEATURE SECTIONS ---- */
.home-feature-section {
  padding: 100px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.home-feature-alt {
  background-color: var(--bg-secondary);
  max-width: 100%;
  padding: 100px 0;
}

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

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

@media (min-width: 768px) {
  .home-feature-inner {
    grid-template-columns: 1fr 1fr;
    gap: 80px;
  }

  .home-feature-reverse .home-feature-text {
    order: 2;
  }

  .home-feature-reverse .home-feature-visual {
    order: 1;
  }
}

.home-feature-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

.home-feature-desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  text-align: justify;
  margin-bottom: 16px;
}

/* ---- STAT GRID ---- */
.home-feature-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.home-stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.home-stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.home-stat-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.home-stat-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---- ICON SHOWCASE ---- */
.home-icon-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.home-icon-item {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.home-icon-item:hover {
  border-color: var(--accent);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transform: translateY(-4px);
}

.home-icon-emoji {
  font-size: 2rem;
  line-height: 1;
}

/* ---- QUOTE CARD ---- */
.home-feature-quote-card {
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--accent);
  border-radius: var(--border-radius-md);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.home-quote-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.home-quote-attr {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---- CTA SECTION ---- */
.home-cta-section {
  padding: 120px 24px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--border-color);
}

.home-cta-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.home-cta-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
}

.home-cta-desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 500px;
}

.home-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 8px;
}

/* ============================================================
   MAIN FOOTER STYLING
   ============================================================ */
.main-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 24px;
}

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

/* 1. Centered Top Brand Area */
.footer-top-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto 32px;
  text-align: center;
}

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

.footer-logo {
  height: 48px;
  width: auto;
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.footer-brand-desc {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-divider {
  width: 100%;
  height: 1px;
  background-color: var(--border-color);
  margin-bottom: 40px;
}

/* 2. 3 Information Columns Grid */
.footer-grid-3col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .footer-grid-3col {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}

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

.footer-col-title {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 8px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--accent);
  border-radius: 1px;
}

.footer-col-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-links a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

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

/* 3. Contact Icons (Facebook, TikTok, Zalo) */
.footer-social-buttons {
  display: flex;
  align-items: center;
  gap: 14px;
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--color-sky);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.12);
  transition: all var(--transition-fast);
  cursor: default;
}

.social-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.25);
  border-color: var(--color-sky);
}

.btn-facebook {
  color: #1877F2;
}

.btn-tiktok {
  color: #000000;
}

.btn-zalo {
  color: #0068FF;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

/* Footer Bottom Note */
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}