/* ============================================================
   MINH KY LAWFIRM – Premium Design System
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  /* --color-navy:        #0a1628; */
  --color-navy:        #122040;
  --color-navy-mid:    #1d3461;
  --color-navy-light:  #284172;
  --color-gold:        #c8a84b;
  --color-gold-light:  #e2c97e;
  --color-gold-dark:   #9a7a28;
  --color-white:       #ffffff;
  --color-off-white:   #f8f6f1;
  --color-gray-100:    #f3f2ef;
  --color-gray-200:    #e5e3de;
  --color-gray-400:    #999489;
  --color-gray-600:    #6b6760;
  --color-text:        #1a1916;

  /* Typography */
  --font-heading: 'Playfair Display', 'Times New Roman', serif;
  --font-body:    'Inter', 'Source Sans Pro', sans-serif;
  --font-accent:  'Cormorant Garamond', serif;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1280px;
  --nav-height: 88px;

  /* Transitions */
  --transition-fast:   0.15s ease;
  --transition-base:   0.3s ease;
  --transition-slow:   0.6s ease;
  --transition-slower: 1s ease;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.12);
  --shadow-md:  0 4px 16px rgba(0,0,0,.15);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.2);
  --shadow-gold: 0 4px 20px rgba(200,168,75,.3);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Preloader ---------- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader-badge {
  width: 120px;
  height: 120px;
  animation: preloader-spin 2s linear infinite, preloader-pulse 2s ease-in-out infinite;
}
.preloader-bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,.15);
  border-radius: 2px;
  overflow: hidden;
}
.preloader-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  width: 0;
  transition: width 0.4s ease;
  border-radius: 2px;
}
.preloader-text {
  font-family: var(--font-accent);
  color: var(--color-gold);
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  text-transform: uppercase;
}

@keyframes preloader-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes preloader-pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.6; }
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-navy);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
p  { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

/* ---------- Layout Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-xl);
}
@media (max-width: 640px) { .container { padding-inline: var(--space-md); } }

.section {
  padding-block: var(--space-4xl);
}
.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: var(--color-white); }

.section--gray { background: var(--color-gray-100); }
.section--offwhite { background: var(--color-off-white); }

.section-header { text-align: center; margin-bottom: var(--space-3xl); }
.section-header p { color: var(--color-gray-600); font-size: 1.05rem; max-width: 640px; margin-inline: auto; }

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}
.section--dark .section-label { color: var(--color-gold-light); }

.gold-line {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}
.section-header .gold-line { margin-top: var(--space-md); }

/* ---------- Navigation ---------- */
/* Nav stretches full viewport width; override .container's max-width */
#navbar .container {
  max-width: 100%;
  padding-inline: clamp(var(--space-lg), 4vw, var(--space-3xl));
}

#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
#navbar.scrolled {
  background: rgba(10, 22, 40, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
#navbar.solid {
  background: var(--color-navy);
  box-shadow: 0 2px 20px rgba(0,0,0,.25);
}

.nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--nav-height);
  gap: 0;
}
.nav-logo { justify-self: start; }
.nav-menu { justify-self: center; }
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-self: end;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}
.nav-logo img {
  height: 72px;
  width: auto;
  transition: transform var(--transition-base);
}
.nav-logo:hover img { transform: scale(1.05); }
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.nav-logo-text .brand { font-family: var(--font-heading); color: var(--color-white); font-size: 1.05rem; font-weight: 700; letter-spacing: 0.08em; white-space: nowrap; }
.nav-logo-text .tagline { font-size: 0.62rem; color: var(--color-gold); letter-spacing: 0.22em; text-transform: uppercase; white-space: nowrap; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.nav-link {
  color: rgba(255,255,255,.85);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  letter-spacing: 0.03em;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  width: 0; height: 2px;
  background: var(--color-gold);
  transform: translateX(-50%);
  transition: width var(--transition-base);
  border-radius: 1px;
}
.nav-link:hover { color: var(--color-white); }
.nav-link:hover::after,
.nav-link.active::after { width: calc(100% - var(--space-xl)); }
.nav-link.active { color: var(--color-gold); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav-phone {
  color: var(--color-gold);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: color var(--transition-fast);
}
.nav-phone:hover { color: var(--color-gold-light); }

.btn-nav {
  background: var(--color-gold);
  color: var(--color-navy);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn-nav:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Tablet: hide logo text to save space */
@media (max-width: 1100px) {
  .nav-logo-text { display: none; }
  .nav-link { font-size: 0.8rem; padding: var(--space-sm) 10px; }
}
/* Small tablet / mobile: collapse menu into hamburger */
@media (max-width: 860px) {
  .nav-inner {
    grid-template-columns: auto 1fr;
  }
  .nav-menu { display: none; }
  .nav-right { grid-column: 2; justify-self: end; }
  .hamburger { display: flex; }
}
/* Mobile: hide button text on phone link, keep icon */
@media (max-width: 480px) {
  .nav-phone-text { display: none; }
  .btn-nav { display: none; }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(10,22,40,.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 999;
  padding: var(--space-lg);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  pointer-events: none;
  border-top: 1px solid rgba(200,168,75,.2);
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.mobile-menu .nav-link { display: block; padding: var(--space-md); font-size: 1rem; }
.mobile-menu .nav-link::after { display: none; }
.mobile-menu-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-gold);
  color: var(--color-navy);
}
.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}
.btn-outline {
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
}
.btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-navy);
  transform: translateY(-2px);
}
.btn-outline-white {
  border: 2px solid rgba(255,255,255,.6);
  color: var(--color-white);
}
.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-navy);
}
.btn-ghost {
  color: var(--color-gold);
  padding-left: 0; padding-right: 0;
  border-bottom: 1px solid transparent;
}
.btn-ghost:hover { border-bottom-color: var(--color-gold); }

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy);
}
.hero-video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video-bg video {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,22,40,.92) 0%,
    rgba(10,22,40,.75) 50%,
    rgba(18,32,64,.85) 100%
  );
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-block: calc(var(--nav-height) + var(--space-4xl)) var(--space-4xl);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(200,168,75,.12);
  border: 1px solid rgba(200,168,75,.35);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fade-up 0.8s 0.5s ease forwards;
}
.hero-badge span {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
}
.hero-title {
  font-family: var(--font-heading);
  color: var(--color-white);
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fade-up 0.8s 0.7s ease forwards;
}
.hero-title em {
  font-style: normal;
  color: var(--color-gold);
}
.hero-tagline {
  font-family: var(--font-accent);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,.8);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fade-up 0.8s 0.9s ease forwards;
}
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,.75);
  max-width: 600px;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fade-up 0.8s 1.1s ease forwards;
}
.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up 0.8s 1.3s ease forwards;
}
.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,.1);
  opacity: 0;
  animation: fade-up 0.8s 1.5s ease forwards;
  flex-wrap: wrap;
}
.hero-stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-gold);
  line-height: 1;
  display: block;
}
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,.6); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0;
  animation: fade-in 1s 2s ease forwards;
}
.scroll-indicator span { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,.5); }
.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(255,255,255,.3);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}
.scroll-mouse::before {
  content: '';
  width: 3px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 2px;
  animation: scroll-dot 1.5s ease infinite;
}
@keyframes scroll-dot {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  background: var(--color-navy);
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(200,168,75,.08) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero .section-label { display: block; margin-bottom: var(--space-sm); }
.page-hero h1 { color: var(--color-white); margin-bottom: var(--space-md); }
.page-hero p { color: rgba(255,255,255,.7); max-width: 600px; font-size: 1.05rem; }
.breadcrumb {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-lg);
  font-size: 0.8rem;
  color: rgba(255,255,255,.5);
}
.breadcrumb a { color: var(--color-gold); }
.breadcrumb a:hover { color: var(--color-gold-light); }
.breadcrumb-sep { color: rgba(255,255,255,.3); }

/* ---------- Cards ---------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card-img { overflow: hidden; }
.card-img img {
  width: 100%; aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: var(--space-xl); }
.card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold-dark);
  margin-bottom: var(--space-sm);
}
.card-title { font-size: 1.15rem; margin-bottom: var(--space-sm); color: var(--color-navy); }
.card-text { font-size: 0.9rem; color: var(--color-gray-600); line-height: 1.6; }

/* ---------- Service Cards ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
@media (max-width: 1200px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px)  { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-gray-200);
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}
.service-card-img { overflow: hidden; position: relative; }
.service-card-img img {
  width: 100%; aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.service-card:hover .service-card-img img { transform: scale(1.06); }
.service-card-num {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--color-gold);
  color: var(--color-navy);
  font-weight: 700;
  font-size: 0.7rem;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.service-card-body { padding: var(--space-lg); flex: 1; display: flex; flex-direction: column; }
.service-card-title { font-size: 1rem; font-family: var(--font-heading); margin-bottom: var(--space-sm); color: var(--color-navy); }
.service-card-text { font-size: 0.875rem; color: var(--color-gray-600); flex: 1; line-height: 1.6; }
.service-card-link {
  display: flex; align-items: center; gap: 6px;
  margin-top: var(--space-md);
  font-size: 0.8rem; font-weight: 600;
  color: var(--color-gold-dark);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: gap var(--transition-fast);
}
.service-card:hover .service-card-link { gap: 10px; }

/* ---------- Lawyer Cards ---------- */
.lawyers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
@media (max-width: 1024px) { .lawyers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .lawyers-grid { grid-template-columns: 1fr; } }

.lawyer-card {
  cursor: pointer;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 2px solid transparent;
  transition: all var(--transition-base);
}
.lawyer-card:hover,
.lawyer-card.active { border-color: var(--color-gold); box-shadow: var(--shadow-gold); }

.lawyer-card-img { overflow: hidden; }
.lawyer-card-img img {
  width: 100%; aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
  transition: transform var(--transition-slow);
}
.lawyer-card:hover .lawyer-card-img img,
.lawyer-card.active .lawyer-card-img img { transform: scale(1.04); }

.lawyer-card-body { padding: var(--space-lg); text-align: center; }
.lawyer-card-name { font-size: 1rem; color: var(--color-navy); margin-bottom: 4px; }
.lawyer-card-title { font-size: 0.8rem; color: var(--color-gold-dark); font-weight: 600; letter-spacing: 0.05em; margin-bottom: var(--space-sm); }
.lawyer-card-meta { font-size: 0.8rem; color: var(--color-gray-600); }

/* Lawyer profile panel */
.lawyer-profile-panel {
  grid-column: 1 / -1;
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  border: 1px solid var(--color-gray-200);
  display: none;
  gap: var(--space-2xl);
  align-items: flex-start;
}
.lawyer-profile-panel.visible {
  display: grid;
  grid-template-columns: 280px 1fr;
  animation: fade-in 0.4s ease;
}
@media (max-width: 768px) {
  .lawyer-profile-panel.visible { grid-template-columns: 1fr; }
}
.lawyer-profile-img img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.lawyer-profile-content h3 { color: var(--color-navy); margin-bottom: var(--space-sm); }
.lawyer-profile-position { color: var(--color-gold-dark); font-weight: 600; margin-bottom: var(--space-lg); }
.lawyer-profile-fields { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.lawyer-profile-field {
  background: rgba(200,168,75,.1);
  border: 1px solid rgba(200,168,75,.3);
  color: var(--color-navy);
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 100px;
}
.lawyer-profile-contact { display: flex; gap: var(--space-md); flex-wrap: wrap; margin-top: var(--space-lg); }
.lawyer-contact-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.9rem; color: var(--color-navy); font-weight: 500;
}
.lawyer-contact-item a { color: var(--color-gold-dark); transition: color var(--transition-fast); }
.lawyer-contact-item a:hover { color: var(--color-gold); }

/* ---------- Slider / Album ---------- */
.slider-wrapper {
  width: 80%;
  margin-inline: auto;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  background: var(--color-navy);
}
@media (max-width: 1024px) { .slider-wrapper { width: 90%; } }
@media (max-width: 640px)  { .slider-wrapper { width: 100%; border-radius: 0; } }

.slider-track { display: flex; transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.slider-slide { flex: 0 0 100%; }
.slider-slide img {
  width: 100%;
  height: auto;
  display: block;
}
.slider-slide video {
  width: 100%;
  display: block;
  max-height: 80vh;
  object-fit: contain;
  background: #000;
}

.slider-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 10;
  width: 44px; height: 44px;
  background: rgba(10,22,40,.75);
  backdrop-filter: blur(4px);
  color: var(--color-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
  box-shadow: var(--shadow-md);
}
.slider-btn:hover { background: var(--color-gold); transform: translateY(-50%) scale(1.1); }
.slider-btn.prev { left: var(--space-md); }
.slider-btn.next { right: var(--space-md); }

.slider-dots {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}
.slider-dot {
  width: 8px; height: 8px;
  background: rgba(255,255,255,.4);
  border-radius: 50%;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.slider-dot.active { background: var(--color-gold); transform: scale(1.3); }

.slider-counter {
  position: absolute;
  top: var(--space-md); right: var(--space-md);
  background: rgba(0,0,0,.5);
  color: var(--color-white);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 100px;
  z-index: 10;
}

/* ---------- Activities Section ---------- */
.activity-block { margin-bottom: var(--space-4xl); }
.activity-block-header { margin-bottom: var(--space-xl); text-align: center; }
.activity-block-header h3 { color: var(--color-navy); }
.activity-block-desc { color: var(--color-gray-600); max-width: 700px; margin-inline: auto; }

/* ---------- Videos Grid ---------- */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}
@media (max-width: 1024px) { .videos-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .videos-grid { grid-template-columns: 1fr; } }

.video-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/9;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.video-embed:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.video-embed iframe { width: 100%; height: 100%; border: none; }

/* ---------- FAQ Accordion ---------- */
.faq-list { max-width: 800px; margin-inline: auto; }
.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-lg) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  font-weight: 600;
  color: var(--color-navy);
  font-size: 1rem;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--color-gold-dark); }
.faq-question.open { color: var(--color-gold-dark); }
.faq-icon {
  width: 24px; height: 24px;
  flex-shrink: 0;
  border: 2px solid var(--color-gray-200);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition-base), border-color var(--transition-base);
  font-size: 0.8rem;
}
.faq-question.open .faq-icon { transform: rotate(45deg); border-color: var(--color-gold); }
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease, padding var(--transition-base);
  font-size: 0.95rem;
  color: var(--color-gray-600);
  line-height: 1.8;
}
.faq-answer.open { max-height: 500px; padding-bottom: var(--space-lg); }

/* ---------- Contact Form ---------- */
.contact-form-group { margin-bottom: var(--space-lg); }
.contact-form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}
.contact-form-group input,
.contact-form-group textarea,
.contact-form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.contact-form-group input:focus,
.contact-form-group textarea:focus,
.contact-form-group select:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(200,168,75,.15);
}
.contact-form-group textarea { resize: vertical; min-height: 120px; }

/* ---------- Map / Contact Info ---------- */
.contact-map-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
}
.contact-map-embed iframe { width: 100%; height: 100%; border: none; }

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-gray-200);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-icon {
  width: 44px; height: 44px;
  background: rgba(200,168,75,.1);
  border: 1px solid rgba(200,168,75,.25);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-gold-dark);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-info-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-gray-400); margin-bottom: 4px; }
.contact-info-value { font-size: 1rem; color: var(--color-navy); font-weight: 500; }
.contact-info-value a { color: var(--color-gold-dark); transition: color var(--transition-fast); }
.contact-info-value a:hover { color: var(--color-gold); }

/* Social channels */
.social-channels {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}
.social-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.social-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.social-btn.zalo    { background: #0068ff; color: #fff; }
.social-btn.fb      { background: #1877f2; color: #fff; }
.social-btn.phone   { background: var(--color-gold); color: var(--color-navy); }
.social-btn.tiktok  { background: #010101; color: #fff; }
.social-btn.youtube { background: #ff0000; color: #fff; }

/* ---------- Floating Contact Bar ---------- */
.floating-contact {
  position: fixed;
  right: var(--space-lg);
  bottom: var(--space-xl);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.float-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  font-size: 1.2rem;
}
.float-btn:hover { transform: scale(1.1); box-shadow: var(--shadow-lg); }
.float-btn.phone   { background: var(--color-gold); color: var(--color-navy); }
.float-btn.zalo    { background: #0068ff; }
.float-btn.fb      { background: #1877f2; }
.float-btn.consult { background: var(--color-navy); border: 1.5px solid rgba(200,168,75,.35); }
.float-btn img     { width: 26px; height: 26px; border-radius: 4px; display: block; object-fit: contain; }
/* ensure border:none on button */
.float-btn { border: none; cursor: pointer; text-decoration: none; }

/* Pulse animation for phone */
.float-btn.phone { animation: pulse-ring 2s ease infinite; }
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(200,168,75,.5); }
  70%  { box-shadow: 0 0 0 14px rgba(200,168,75,0); }
  100% { box-shadow: 0 0 0 0 rgba(200,168,75,0); }
}

/* ── FA icon box (replaces inline emoji divs) ── */
.fa-icon-box {
  display: flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  background: rgba(200,168,75,.1);
  border: 1px solid rgba(200,168,75,.25);
  border-radius: var(--radius-sm);
  color: var(--color-gold);
  margin-bottom: var(--space-md);
  font-size: 1.4rem;
}

/* ── Consult Modal ── */
.consult-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 9000;
  align-items: center; justify-content: center;
  padding: 16px;
  backdrop-filter: blur(4px);
}
.consult-modal-overlay.active { display: flex; }
.consult-modal-box {
  position: relative;
  width: 100%; max-width: 680px;
  height: min(85vh, 680px);
  background: var(--color-navy);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
  border: 1px solid rgba(200,168,75,.2);
}
.consult-modal-box iframe {
  width: 100%; height: 100%;
  border: none; display: block;
}
.consult-modal-close {
  position: absolute; top: 10px; right: 14px; z-index: 10;
  width: 32px; height: 32px;
  background: rgba(255,255,255,.12);
  border: none; border-radius: 50%;
  color: #fff; font-size: 1.2rem; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background var(--transition-fast);
}
.consult-modal-close:hover { background: rgba(200,168,75,.4); }

/* ---------- Footer ---------- */
#footer {
  background: var(--color-navy);
  color: rgba(255,255,255,.75);
  padding-top: var(--space-4xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px)  { .footer-grid { grid-template-columns: 1fr; } }

.footer-logo img { height: 56px; margin-bottom: var(--space-md); }
.footer-brand { font-family: var(--font-heading); color: var(--color-white); font-size: 1.1rem; margin-bottom: var(--space-sm); }
.footer-slogan { font-family: var(--font-accent); color: var(--color-gold); font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: var(--space-lg); }
.footer-desc { font-size: 0.875rem; line-height: 1.8; }

.footer-heading {
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}
.footer-links { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-link {
  font-size: 0.875rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.footer-link:hover { color: var(--color-gold); padding-left: 6px; }

.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: var(--space-md); font-size: 0.875rem; }
.footer-contact-item .icon { color: var(--color-gold); flex-shrink: 0; margin-top: 3px; display: flex; align-items: center; }
.icon-svg { display: block; flex-shrink: 0; }
.float-btn img { width: 24px; height: 24px; border-radius: 4px; display: block; }
.social-btn img { width: 18px; height: 18px; border-radius: 3px; display: block; flex-shrink: 0; }
.btn-icon { width: 16px; height: 16px; display: block; flex-shrink: 0; }
.footer-contact-item a { color: rgba(255,255,255,.7); transition: color var(--transition-fast); }
.footer-contact-item a:hover { color: var(--color-gold); }

.footer-bottom {
  padding: var(--space-lg) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,.4);
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.footer-bottom a { color: var(--color-gold); }

/* ---------- Intro Sections (Homepage) ---------- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}
@media (max-width: 768px) { .about-split { grid-template-columns: 1fr; } }

.about-img-wrap {
  position: relative;
}
.about-img-wrap img {
  border-radius: var(--radius-lg);
  width: 100%;
  box-shadow: var(--shadow-lg);
}
.about-badge-stat {
  position: absolute;
  bottom: -var(--space-lg);
  right: -var(--space-lg);
  background: var(--color-gold);
  color: var(--color-navy);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-gold);
}
@media (max-width: 768px) { .about-badge-stat { bottom: var(--space-md); right: var(--space-md); } }
.about-badge-num { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 700; line-height: 1; display: block; }
.about-badge-text { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
@media (max-width: 640px) { .values-grid { grid-template-columns: 1fr; } }

.value-item {
  text-align: center;
  padding: var(--space-xl);
  background: rgba(200,168,75,.05);
  border: 1px solid rgba(200,168,75,.15);
  border-radius: var(--radius-md);
  transition: background var(--transition-base), border-color var(--transition-base);
}
.value-item:hover { background: rgba(200,168,75,.1); border-color: rgba(200,168,75,.35); }
.value-icon { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; background: rgba(200,168,75,.1); border: 1px solid rgba(200,168,75,.25); border-radius: var(--radius-sm); color: var(--color-gold); margin-bottom: var(--space-md); }
.value-title { font-family: var(--font-heading); font-size: 1.1rem; color: var(--color-white); margin-bottom: var(--space-sm); }
.value-desc { font-size: 0.875rem; color: rgba(255,255,255,.65); line-height: 1.7; }

/* ---------- Intro Section content ---------- */
.intro-section { max-width: 900px; margin-inline: auto; }
.intro-section h2 { margin-bottom: var(--space-xl); }
.intro-section h3 { margin-top: var(--space-2xl); margin-bottom: var(--space-md); color: var(--color-navy-light); }
.intro-list { margin: var(--space-md) 0 var(--space-lg) var(--space-xl); }
.intro-list li { margin-bottom: var(--space-sm); color: var(--color-gray-600); font-size: 0.95rem; }
.intro-list li::marker { color: var(--color-gold); }

.charter-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}
@media (max-width: 640px) { .charter-grid { grid-template-columns: 1fr; } }
.charter-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-gold);
}
.charter-icon { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: rgba(200,168,75,.1); border-radius: var(--radius-sm); color: var(--color-gold); flex-shrink: 0; margin-top: 2px; }
.charter-text { font-size: 0.95rem; color: var(--color-navy); font-weight: 500; }

/* ---------- Animations ---------- */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Scroll-triggered animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-on-scroll[data-delay="1"] { transition-delay: 0.1s; }
.animate-on-scroll[data-delay="2"] { transition-delay: 0.2s; }
.animate-on-scroll[data-delay="3"] { transition-delay: 0.3s; }
.animate-on-scroll[data-delay="4"] { transition-delay: 0.4s; }
.animate-on-scroll[data-delay="5"] { transition-delay: 0.5s; }

/* ---------- Consulting Page ---------- */
.chat-container {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  height: 480px;
}
.chat-header {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.chat-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-gold);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  color: var(--color-navy);
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--color-gray-100);
}
.chat-msg { max-width: 80%; }
.chat-msg.bot { align-self: flex-start; }
.chat-msg.user { align-self: flex-end; }
.chat-bubble {
  padding: 10px 16px;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.6;
}
.chat-msg.bot .chat-bubble {
  background: var(--color-white);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  border-bottom-left-radius: 4px;
}
.chat-msg.user .chat-bubble {
  background: var(--color-navy);
  color: var(--color-white);
  border-bottom-right-radius: 4px;
}
.chat-input-area {
  display: flex;
  border-top: 1px solid var(--color-gray-200);
  background: var(--color-white);
}
.chat-input-area input {
  flex: 1;
  border: none;
  outline: none;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.chat-send-btn {
  padding: 0 var(--space-lg);
  background: var(--color-gold);
  color: var(--color-navy);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: background var(--transition-fast);
}
.chat-send-btn:hover { background: var(--color-gold-light); }

/* ---------- News Grid ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}
@media (max-width: 1024px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .news-grid { grid-template-columns: 1fr; } }

.news-card-date { font-size: 0.75rem; color: var(--color-gray-400); margin-bottom: var(--space-sm); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.text-gold   { color: var(--color-gold); }
.text-navy   { color: var(--color-navy); }
.text-white  { color: var(--color-white); }
.text-muted  { color: var(--color-gray-600); }
.mt-auto     { margin-top: auto; }
.mb-0        { margin-bottom: 0; }
.mb-sm       { margin-bottom: var(--space-sm); }
.mb-md       { margin-bottom: var(--space-md); }
.mb-lg       { margin-bottom: var(--space-lg); }
.mb-xl       { margin-bottom: var(--space-xl); }
.mb-2xl      { margin-bottom: var(--space-2xl); }
.d-flex      { display: flex; }
.align-center { align-items: center; }
.gap-md      { gap: var(--space-md); }
.w-100       { width: 100%; }
.sr-only     { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ---------- Responsive adjustments ---------- */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .section { padding-block: var(--space-2xl); }
  .hero-stats { gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---------- Print ---------- */
@media print {
  #navbar, .floating-contact, #preloader { display: none; }
  .page-hero { padding-top: var(--space-xl); }
}