/* ==========================================================================
   XE GHÉP THÀNH SEN - LUXURY EXECUTIVE RESPONSIVE STYLESHEET
   Google Fonts: 'Be Vietnam Pro' & 'Playfair Display' (Native Vietnamese Support)
   UI/UX Pro Max Standard - Mobile-First Responsive
   ========================================================================== */

/* Import Google Fonts with Vietnamese diacritic support */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Playfair+Display:ital,wght@0,600;0,700;0,800;0,900;1,600&display=swap');

:root {
  /* Fonts */
  --font-body: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  /* Luxury Obsidian & Royal Navy Palette */
  --lux-black: #060b12;
  --lux-dark: #0a1320;
  --lux-card-dark: #0f1c2e;
  --lux-card-border: rgba(212, 175, 55, 0.28);
  --lux-blue-dark: #0d2038;
  
  /* Champagne Gold Accents */
  --gold-primary: #d4af37;
  --gold-light: #f7e7b4;
  --gold-dark: #a67c1e;
  --gold-gradient: linear-gradient(135deg, #fcebc2 0%, #d4af37 50%, #9e7417 100%);
  --gold-gradient-hover: linear-gradient(135deg, #ffffff 0%, #e6c65b 50%, #b88d22 100%);
  --gold-glow: 0 4px 20px rgba(212, 175, 55, 0.35);
  
  /* Zalo Official Brand Blue */
  --zalo-official: #0068ff;
  --zalo-hover: #0056d6;
  
  /* Call Accent (Executive Crimson Red) */
  --crimson-call: #b91c1c;
  --crimson-hover: #991b1b;
  --crimson-glow: 0 4px 20px rgba(185, 28, 28, 0.35);

  /* Light Theme & Text Colors */
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  --border-light: #e2e8f0;
  
  /* Radius & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 16px 36px -4px rgba(0, 0, 0, 0.12);
  --shadow-lux: 0 20px 45px -10px rgba(8, 18, 32, 0.35);
  --shadow-float: 0 12px 30px rgba(0, 0, 0, 0.25);
  
  --container-max: 1200px;
  --header-height: 72px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  padding-bottom: calc(85px + env(safe-area-inset-bottom, 0px));
  overflow-x: hidden;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: var(--font-body);
  font-size: 1rem;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* ==========================================================================
   TOP BAR (LUXURY GOLD & OBSIDIAN)
   ========================================================================== */

.top-bar {
  background: var(--lux-black);
  color: #cbd5e1;
  font-size: 0.82rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.top-bar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold-light);
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.top-bar-badge svg {
  color: var(--gold-primary);
  flex-shrink: 0;
}

.top-bar-contacts {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-bar-contacts a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--gold-light);
  font-weight: 700;
  transition: color 0.2s;
}

.top-bar-contacts a:hover {
  color: #ffffff;
}

@media (max-width: 640px) {
  .top-bar-inner {
    justify-content: center;
    text-align: center;
  }
  .top-bar-contacts span:first-child {
    display: none;
  }
}

/* ==========================================================================
   MAIN HEADER (EXECUTIVE SLEEK)
   ========================================================================== */

.main-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(10, 19, 32, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  min-height: var(--header-height);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Luxury Emblem Monogram */
.brand-emblem {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #1e293b 0%, #0a1320 100%);
  border: 1.5px solid var(--gold-primary);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-emblem::before {
  content: "";
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(212,175,55,0.2) 50%, transparent 60%);
  animation: shine 4s infinite linear;
}

@keyframes shine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

.brand-emblem-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.brand-emblem-sub {
  font-size: 0.5rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--gold-light);
  text-transform: uppercase;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.15;
  letter-spacing: 0.5px;
}

.brand-title span {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: #94a3b8;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.main-nav {
  display: none;
}

@media (min-width: 992px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 1.8rem;
  }
  
  .nav-link {
    font-weight: 600;
    color: #e2e8f0;
    transition: color 0.2s;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
  }
  
  .nav-link:hover, .nav-link.active {
    color: var(--gold-light);
  }

  .nav-link.active::after, .nav-link:hover::after {
    content: "";
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gold-gradient);
    border-radius: 2px;
  }
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-header-call {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #b91c1c, #991b1b);
  border: 1px solid rgba(247, 231, 180, 0.4);
  color: #ffffff;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: var(--crimson-glow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-header-call:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(185, 28, 28, 0.5);
}

.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  color: var(--gold-light);
  cursor: pointer;
}

@media (min-width: 992px) {
  .mobile-menu-btn {
    display: none;
  }
}

@media (max-width: 480px) {
  .brand-subtitle {
    display: none;
  }
  .btn-header-call span {
    display: none;
  }
  .btn-header-call {
    padding: 0.6rem;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
  }
}

/* Mobile Navigation Drawer (Luxury Obsidian & Champagne Gold) */
@media (max-width: 991px) {
  .main-nav {
    display: none;
  }
  .main-nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 19, 32, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--gold-primary);
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.65);
    padding: 1.25rem 1.5rem 1.75rem;
    gap: 0.5rem;
    z-index: 999;
    animation: fadeInDown 0.22s ease forwards;
  }
  .main-nav.is-open .nav-link {
    color: #e2e8f0;
    font-size: 1.05rem;
    font-weight: 700;
    padding: 0.85rem 1.15rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(212, 175, 55, 0.12);
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.2s;
    text-decoration: none;
  }
  .main-nav.is-open .nav-link:hover,
  .main-nav.is-open .nav-link.active {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--gold-primary);
    color: var(--gold-light);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   HERO SECTION (LUXURY DARK STAGE)
   ========================================================================== */

.hero {
  position: relative;
  background: 
    radial-gradient(ellipse 95% 80% at 85% 15%, rgba(16, 185, 129, 0.22) 0%, transparent 65%),
    radial-gradient(ellipse 70% 60% at 15% 85%, rgba(212, 175, 55, 0.18) 0%, transparent 60%),
    radial-gradient(circle at 50% 35%, #0e2238 0%, #081422 55%, #03070d 100%);
  color: white;
  padding: 3.5rem 0 4.5rem;
  overflow: hidden;
  border-bottom: 1.5px solid rgba(212, 175, 55, 0.35);
}

@media (max-width: 640px) {
  .hero {
    padding: 2.25rem 0 3.25rem;
  }
}

.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    linear-gradient(rgba(212, 175, 55, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.06) 1px, transparent 1px);
  background-size: 45px 45px;
  background-position: center center;
  mask-image: radial-gradient(circle at 60% 40%, black 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 60% 40%, black 25%, transparent 80%);
  pointer-events: none;
  opacity: 0.85;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: 0;
  right: 0;
  height: 220px;
  background: radial-gradient(ellipse at 50% 100%, rgba(16, 185, 129, 0.28) 0%, rgba(212, 175, 55, 0.12) 35%, transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  position: relative;
  z-index: 10;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.hero-content {
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.28);
  color: var(--gold-light);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 5.5vw, 3.15rem);
  line-height: 1.18;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.3px;
  margin-bottom: 1.15rem;
}

.hero-title .highlight {
  display: block;
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 3.2vw, 1.45rem);
  font-weight: 600;
  color: var(--gold-light);
  margin-top: 0.5rem;
  letter-spacing: 0.2px;
}

.hero-desc {
  font-size: 1.02rem;
  line-height: 1.7;
  color: #cbd5e1;
  margin-bottom: 1.75rem;
}

.hero-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

@media (max-width: 480px) {
  .hero-highlights {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
}

.hero-highlight-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.94rem;
  font-weight: 600;
  color: #f1f5f9;
}

.hero-highlight-icon {
  width: 22px;
  height: 22px;
  color: var(--gold-primary);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn-primary-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: linear-gradient(135deg, #b91c1c 0%, #7f1d1d 100%);
  border: 1px solid rgba(247, 231, 180, 0.4);
  color: #ffffff;
  padding: 0.95rem 1.6rem;
  min-height: 52px;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 1.02rem;
  box-shadow: var(--crimson-glow);
  transition: all 0.25s ease;
  flex: 1 1 200px;
}

.btn-primary-call:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(185, 28, 28, 0.55);
}

.btn-primary-zalo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: var(--zalo-official);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  padding: 0.95rem 1.6rem;
  min-height: 52px;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 1.02rem;
  box-shadow: 0 8px 25px rgba(0, 104, 255, 0.4);
  transition: all 0.25s ease;
  flex: 1 1 200px;
}

.btn-primary-zalo:hover {
  background: var(--zalo-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 104, 255, 0.5);
}

/* ==========================================================================
   QUICK BOOKING WIDGET (RESPONSIVE TOUCH-FIRST)
   ========================================================================== */

.booking-card {
  background: rgba(11, 23, 39, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.85rem 1.6rem;
  border: 1.5px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 30px rgba(16, 185, 129, 0.15);
  position: relative;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.booking-card:hover {
  border-color: rgba(212, 175, 55, 0.55);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.75), 0 0 40px rgba(212, 175, 55, 0.2);
}

@media (min-width: 640px) {
  .booking-card {
    padding: 2.2rem 2rem;
  }
}

.booking-card::before {
  content: "";
  position: absolute;
  top: 0; left: 20px; right: 20px;
  height: 2px;
  background: var(--gold-gradient);
  border-radius: 2px;
}

.booking-card-header {
  margin-bottom: 1.35rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  padding-bottom: 0.85rem;
}

.booking-badge {
  display: inline-block;
  background: rgba(212, 175, 55, 0.15);
  color: var(--gold-light);
  border: 1px solid rgba(212, 175, 55, 0.35);
  font-size: 0.74rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.booking-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
}

.booking-form-group {
  margin-bottom: 1rem;
}

.booking-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: 0.4rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.booking-select, .booking-input {
  width: 100%;
  padding: 0.75rem 0.95rem;
  min-height: 48px;
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: var(--radius-md);
  background-color: rgba(6, 11, 18, 0.82);
  font-size: 0.95rem;
  color: #ffffff;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.booking-select:focus, .booking-input:focus {
  outline: none;
  border-color: var(--gold-primary);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18), inset 0 2px 4px rgba(0, 0, 0, 0.2);
  background-color: rgba(10, 19, 32, 0.95);
}

.booking-select option {
  background: #0f1c2e;
  color: #ffffff;
}

/* 2 columns on tablet/desktop, 1 column on mobile to prevent clipping */
.booking-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .booking-row {
    grid-template-columns: 1fr 1fr;
  }
}

.btn-submit-booking {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: var(--zalo-official);
  color: white;
  padding: 0.95rem 1rem;
  min-height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(0, 104, 255, 0.35);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  margin-top: 0.5rem;
}

.btn-submit-booking:hover {
  background: var(--zalo-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 104, 255, 0.5);
}

.booking-notice {
  font-size: 0.78rem;
  color: #94a3b8;
  text-align: center;
  margin-top: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */

.section {
  padding: 3.5rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 4.5rem 0;
  }
}

.section-dark {
  background: var(--lux-dark);
  color: #ffffff;
}

.section-alt {
  background: #f8fafc;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.5rem;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 3.5rem;
  }
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gold-dark);
  letter-spacing: 0.4px;
  margin-bottom: 0.75rem;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--gold-primary);
  border-radius: 1px;
}

.section-dark .section-tag {
  color: var(--gold-light);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 0.85rem;
  letter-spacing: -0.3px;
}

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

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.section-dark .section-desc {
  color: #94a3b8;
}

/* ==========================================================================
   LUXURY FEATURES (6 CAM KẾT VÀNG)
   ========================================================================== */

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
}

.feature-card {
  background: white;
  border: 1px solid rgba(226, 232, 240, 0.85);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.04);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

@media (min-width: 640px) {
  .feature-card {
    padding: 2.25rem 2rem;
  }
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: transparent;
  transition: background 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px -6px rgba(15, 23, 42, 0.08);
  border-color: rgba(212, 175, 55, 0.35);
}

.feature-card:hover::before {
  background: var(--gold-gradient);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  background: #0a1320;
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold-light);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.55rem;
  letter-spacing: -0.2px;
}

.feature-text {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   FLEET SECTION (PHOTOREALISTIC LUXURY CARDS)
   ========================================================================== */

.fleet-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) and (max-width: 991px) {
  .fleet-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }
}

@media (min-width: 992px) {
  .fleet-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.25rem;
  }
}

.fleet-card {
  background: var(--lux-card-dark);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.22);
  overflow: hidden;
  box-shadow: var(--shadow-lux);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.fleet-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold-primary);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5), 0 0 20px rgba(212, 175, 55, 0.2);
}

.fleet-img-container {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: #000;
}

.fleet-img-container::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 55px;
  background: linear-gradient(to top, var(--lux-card-dark) 0%, transparent 100%);
  pointer-events: none;
}

.fleet-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.fleet-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(6, 11, 18, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid var(--gold-primary);
  color: var(--gold-light);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.4px;
  z-index: 2;
}

.fleet-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

@media (min-width: 640px) {
  .fleet-body {
    padding: 1.75rem;
  }
}

.fleet-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.fleet-type {
  font-size: 0.84rem;
  color: var(--gold-light);
  font-weight: 700;
  margin-bottom: 0.85rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.fleet-desc {
  font-size: 0.94rem;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 1.35rem;
}

.fleet-perks {
  list-style: none;
  margin-bottom: 1.5rem;
}

.fleet-perk-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: #e2e8f0;
  margin-bottom: 0.55rem;
}

.fleet-perk-item svg {
  color: var(--gold-primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-book-fleet {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
  border: 1.5px solid var(--gold-primary);
  color: var(--gold-light);
  padding: 0.85rem 1rem;
  min-height: 48px;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  transition: all 0.25s ease;
}

.btn-book-fleet:hover {
  background: var(--gold-gradient);
  color: #060b12;
  box-shadow: var(--gold-glow);
}

/* ==========================================================================
   ROUTES & PRICING: RESPONSIVE CARDS (MOBILE) & TABLE (DESKTOP)
   ========================================================================== */

/* Mobile Route Cards Layout (< 768px) */
.mobile-route-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-route-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.mobile-route-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 4px;
  background: var(--gold-gradient);
}

.mobile-route-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  gap: 0.5rem;
}

.mobile-route-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
}

.mobile-route-time {
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.mobile-route-sub {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 1.15rem;
  line-height: 1.5;
}

.mobile-route-pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  background: var(--bg-alt);
  padding: 0.85rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.15rem;
}

.mobile-price-item {
  display: flex;
  flex-direction: column;
}

.mobile-price-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.mobile-price-val {
  font-size: 1.05rem;
  font-weight: 800;
  color: #b91c1c;
}

.mobile-route-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  min-height: 46px;
  background: rgba(212, 175, 55, 0.12);
  border: 1.5px solid var(--gold-primary);
  color: #854d0e;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.92rem;
  transition: all 0.2s ease;
  text-decoration: none;
}

.mobile-route-btn:hover,
.mobile-route-btn:active {
  background: var(--gold-gradient);
  color: #060b12;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
  transform: translateY(-1px);
}

/* Desktop Route Table (> 768px) */
.desktop-route-table-wrapper {
  display: none;
}

@media (min-width: 768px) {
  .mobile-route-cards {
    display: none;
  }
  .desktop-route-table-wrapper {
    display: block;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(212, 175, 55, 0.3);
    overflow-x: auto;
    box-shadow: var(--shadow-md);
  }
}

.route-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 720px;
}

.route-table th {
  background: var(--lux-dark);
  color: var(--gold-light);
  font-size: 0.92rem;
  font-weight: 800;
  padding: 1.25rem 1.5rem;
  border-bottom: 2px solid var(--gold-primary);
  letter-spacing: 0.5px;
}

.route-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.96rem;
}

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

.route-table tr:hover {
  background-color: #f8fafc;
}

.route-name {
  font-weight: 800;
  color: var(--text-main);
  display: block;
  font-size: 1.02rem;
}

.route-sub {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.price-tag {
  font-weight: 800;
  color: #b91c1c;
  font-size: 1.1rem;
}

.btn-table-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--gold-primary);
  color: #854d0e;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 800;
  transition: all 0.2s;
}

.btn-table-action:hover {
  background: var(--gold-gradient);
  color: #060b12;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.35);
}

/* ==========================================================================
   TESTIMONIALS & FAQ
   ========================================================================== */

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
}

.testimonial-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

@media (min-width: 640px) {
  .testimonial-card {
    padding: 2.25rem 2rem;
  }
}

.stars {
  display: flex;
  gap: 0.25rem;
  color: #eab308;
  font-size: 1.1rem;
  margin-bottom: 1.15rem;
}

.testimonial-text {
  font-size: 0.96rem;
  color: var(--text-main);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.35rem;
  flex-grow: 1;
}

.client-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border-top: 1px solid var(--border-light);
  padding-top: 1.15rem;
}

.client-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--lux-dark), #1e293b);
  border: 1.5px solid var(--gold-primary);
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.05rem;
}

.client-name {
  font-weight: 800;
  color: var(--text-main);
  font-size: 0.98rem;
}

.client-route {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* FAQ */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all 0.2s;
}

.faq-item.active {
  border-color: var(--gold-primary);
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.15);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.25rem 1.4rem;
  min-height: 54px;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 1rem;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform 0.25s ease;
  flex-shrink: 0;
  color: var(--gold-dark);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 1.4rem;
}

.faq-item.active .faq-answer {
  max-height: 380px;
  padding-bottom: 1.25rem;
}

.faq-answer p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ==========================================================================
   BOTTOM CTA (LUXURY BANNER)
   ========================================================================== */

.bottom-cta {
  background: radial-gradient(circle at 50% 30%, #172c47 0%, var(--lux-dark) 60%, var(--lux-black) 100%);
  border: 1.5px solid var(--gold-primary);
  color: white;
  text-align: center;
  padding: 3rem 1.25rem;
  border-radius: var(--radius-lg);
  margin: 2.5rem auto;
  position: relative;
  box-shadow: var(--shadow-lux);
}

@media (min-width: 640px) {
  .bottom-cta {
    padding: 4rem 1.5rem;
    margin: 3.5rem auto;
  }
}

.bottom-cta-title {
  font-size: clamp(1.65rem, 5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 0.85rem;
}

.bottom-cta-desc {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.bottom-cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   FOOTER (OBSIDIAN & GOLD)
   ========================================================================== */

.main-footer {
  background: var(--lux-black);
  color: #94a3b8;
  padding: 3.5rem 0 2rem;
  font-size: 0.92rem;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

@media (min-width: 768px) {
  .main-footer {
    padding: 4.5rem 0 2rem;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 2.75rem;
  }
}

.footer-brand-title {
  color: white;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  letter-spacing: 0.5px;
}

.footer-brand-desc {
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-heading {
  color: var(--gold-light);
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 1.15rem;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  color: #cbd5e1;
  transition: color 0.2s;
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  color: #cbd5e1;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--gold-primary);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.75rem;
  text-align: center;
  font-size: 0.84rem;
  color: #64748b;
}

/* ==========================================================================
   FLOATING MOBILE DOCK (IOS SAFE-AREA TOUCH OPTIMIZED)
   ========================================================================== */

.mobile-sticky-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 19, 32, 0.98);
  backdrop-filter: blur(16px);
  border-top: 1.5px solid var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .mobile-sticky-dock {
    display: none;
  }
}

.dock-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 52px;
  min-height: 52px;
  max-height: 52px;
  padding: 0.35rem 0.25rem;
  border-radius: var(--radius-md);
  font-size: 0.76rem;
  font-weight: 800;
  gap: 0.2rem;
  letter-spacing: 0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-sizing: border-box;
}

.dock-btn svg, .dock-btn img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.dock-btn-call {
  background: linear-gradient(135deg, #b91c1c, #991b1b);
  border: 1px solid rgba(247, 231, 180, 0.4);
  color: white;
  box-shadow: var(--crimson-glow);
}

.dock-btn-zalo {
  background: var(--zalo-official);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.4);
}

.dock-btn-book {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--gold-primary);
  color: var(--gold-light);
}

/* Desktop Floating Action Buttons (Compact Round FABs) */
.desktop-floating-widgets {
  display: none;
}

@media (min-width: 768px) {
  .desktop-floating-widgets {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    position: fixed;
    bottom: 2.25rem;
    right: 2.25rem;
    z-index: 950;
  }
  
  .float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    color: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
    flex-shrink: 0;
  }
  
  .float-btn span {
    display: none;
  }
  
  .float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
  }
  
  .float-call {
    background: linear-gradient(135deg, #b91c1c, #991b1b);
    border: 1.5px solid var(--gold-primary);
    box-shadow: 0 4px 20px rgba(185, 28, 28, 0.45);
    animation: pulse-ring 2.5s infinite;
  }
  
  .float-zalo {
    background: var(--zalo-official);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.45);
  }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(185, 28, 28, 0.7); }
  70% { box-shadow: 0 0 0 16px rgba(185, 28, 28, 0); }
  100% { box-shadow: 0 0 0 0 rgba(185, 28, 28, 0); }
}

/* ==========================================================================
   BREADCRUMB & SUBPAGE
   ========================================================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 1.25rem 0;
  list-style: none;
}

.breadcrumb a {
  color: var(--gold-dark);
  font-weight: 600;
}

.breadcrumb-separator {
  color: var(--text-light);
}

.subpage-hero {
  background: radial-gradient(circle at 50% 30%, #15273e 0%, var(--lux-dark) 60%, var(--lux-black) 100%);
  border-bottom: 1.5px solid var(--gold-primary);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.subpage-title {
  font-size: clamp(1.85rem, 5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.65rem;
  letter-spacing: -0.5px;
}

.subpage-desc {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.7;
}

.article-content {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.25);
  box-shadow: var(--shadow-sm);
  margin-bottom: 3.5rem;
  line-height: 1.85;
}

@media (min-width: 640px) {
  .article-content {
    padding: 3rem;
  }
}

.article-content h2 {
  font-size: 1.65rem;
  color: var(--text-main);
  margin: 2rem 0 1.15rem;
  border-left: 4px solid var(--gold-primary);
  padding-left: 0.85rem;
}

.article-content h3 {
  font-size: 1.25rem;
  color: var(--text-main);
  margin: 1.5rem 0 0.75rem;
}

.article-content p {
  margin-bottom: 1.25rem;
  color: #334155;
  font-size: 1rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.35rem;
  padding-left: 1.5rem;
  color: #334155;
}

.article-content li {
  margin-bottom: 0.55rem;
  font-size: 1rem;
}

/* ==========================================================================
   BOOKING SUCCESS MODAL (LUXURY EXECUTIVE OVERLAY)
   ========================================================================== */

.booking-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(10, 19, 32, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  animation: modalFadeIn 0.25s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.booking-modal-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: #ffffff;
  border-radius: 20px;
  border: 1.5px solid var(--gold-primary);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(212, 175, 55, 0.15);
  padding: 2rem 1.75rem;
  text-align: center;
  animation: modalSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
  from { transform: translateY(20px) scale(0.97); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.booking-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.15rem;
  background: #f1f5f9;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #64748b;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.booking-modal-close:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.modal-icon-badge {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3);
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--lux-dark);
  margin-bottom: 0.5rem;
  letter-spacing: -0.3px;
}

.modal-subtitle {
  font-size: 0.92rem;
  color: #64748b;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.modal-summary-box {
  background: #f8fafc;
  border: 1px dashed rgba(212, 175, 55, 0.4);
  border-radius: 12px;
  padding: 1rem 1.15rem;
  text-align: left;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.summary-line {
  font-size: 0.9rem;
  color: #334155;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 0.4rem;
}

.summary-line:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.modal-clipboard-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: #15803d;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1.35rem;
  font-weight: 500;
}

.modal-actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.btn-modal-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-modal-zalo {
  background: #0068ff;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.28);
}

.btn-modal-zalo:hover {
  background: #0056d6;
  transform: translateY(-2px);
}

.btn-modal-call {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-primary) 100%);
  color: var(--lux-dark);
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.28);
}

.btn-modal-call:hover {
  background: linear-gradient(135deg, var(--gold-primary) 0%, var(--gold-dark) 100%);
  transform: translateY(-2px);
}

@media (max-width: 480px) {
  .modal-actions-grid {
    grid-template-columns: 1fr;
  }
}