/* ==========================================
   AN MỘC SPA — LUXURY WEBSITE DESIGN SYSTEM
   Style: Moody Elegance / Quiet Luxury
   ========================================== */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Design Tokens ── */
:root {
  /* Colors */
  --deep-forest: #1a2f23;
  --deep-forest-rgb: 26, 47, 35;
  --forest-mid: #243a2c;
  --soft-sage: #8BA888;
  --sage-light: #a8c4a5;
  --antique-gold: #C9A96E;
  --gold-light: #dfc594;
  --warm-cream: #F5F0E8;
  --cream-light: #FAF7F2;
  --pure-white: #FFFFFF;
  --charcoal: #2C2C2C;
  --charcoal-light: #3a3a3a;
  --blush-rose: #D4A5A5;
  --text-muted: #a0a89d;
  --overlay-dark: rgba(26, 47, 35, 0.85);
  --overlay-black: rgba(0, 0, 0, 0.5);

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-sub: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Spacing */
  --section-padding: 120px;
  --container-max: 1200px;
  --container-wide: 1400px;

  /* Transitions */
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.3s ease;
  --transition-slow: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--deep-forest);
  color: var(--warm-cream);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

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

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

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

/* ── Preloader ── */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--deep-forest);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

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

.preloader-logo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
  margin-bottom: 24px;
}

.preloader-text {
  font-family: var(--font-sub);
  font-size: 1.2rem;
  color: var(--antique-gold);
  letter-spacing: 4px;
  text-transform: uppercase;
  animation: fadeInUp 1s ease forwards;
}

.preloader-bar {
  width: 120px;
  height: 2px;
  background: rgba(201, 169, 110, 0.2);
  margin: 16px auto 0;
  border-radius: 2px;
  overflow: hidden;
}

.preloader-bar::after {
  content: '';
  display: block;
  width: 40%;
  height: 100%;
  background: var(--antique-gold);
  border-radius: 2px;
  animation: loading-bar 1.5s ease-in-out infinite;
}

@keyframes loading-bar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 1; filter: drop-shadow(0 0 10px rgba(201, 169, 110, 0.3)); }
  50% { transform: scale(1.05); opacity: 0.9; filter: drop-shadow(0 0 25px rgba(201, 169, 110, 0.5)); }
}

/* ── Navigation ── */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  padding: 20px 0;
  transition: var(--transition-smooth);
}

#main-nav.scrolled {
  background: rgba(26, 47, 35, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 40px;
}

.nav-logo img {
  height: 50px;
  width: 50px;
  border-radius: 50%;
  transition: var(--transition-fast);
}

#main-nav.scrolled .nav-logo img {
  height: 40px;
  width: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--warm-cream);
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--antique-gold);
  transition: var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--antique-gold);
}

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

.nav-cta {
  padding: 10px 28px !important;
  background: var(--antique-gold) !important;
  color: var(--deep-forest) !important;
  border-radius: 50px;
  font-weight: 600 !important;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.8rem !important;
  transition: var(--transition-fast) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: var(--gold-light) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201, 169, 110, 0.3);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
  z-index: 10001;
}

.nav-hamburger span {
  width: 28px;
  height: 2px;
  background: var(--warm-cream);
  transition: var(--transition-fast);
  border-radius: 2px;
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--deep-forest);
  z-index: 10000;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--warm-cream);
  letter-spacing: 2px;
}

.mobile-menu a:hover {
  color: var(--antique-gold);
}

/* ── Section Base ── */
.section {
  padding: var(--section-padding) 0;
  position: relative;
  overflow: hidden;
}

.section-dark {
  background: var(--charcoal);
}

.section-forest {
  background: var(--deep-forest);
}

.section-mid {
  background: var(--forest-mid);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-label {
  font-family: var(--font-sub);
  font-size: 1rem;
  color: var(--antique-gold);
  letter-spacing: 5px;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
  font-weight: 500;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 600;
  color: var(--pure-white);
  line-height: 1.2;
  margin-bottom: 24px;
}

.section-title em {
  font-style: italic;
  color: var(--antique-gold);
}

.section-divider {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--antique-gold), transparent);
  margin: 0 auto 24px;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ── HERO SECTION ── */
#hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  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;
  transform: scale(1.1);
  transition: transform 10s ease;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(26, 47, 35, 0.4) 0%,
    rgba(26, 47, 35, 0.6) 40%,
    rgba(26, 47, 35, 0.85) 100%
  );
  z-index: 2;
}

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

.hero-logo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 32px;
  border: 2px solid rgba(201, 169, 110, 0.3);
  padding: 4px;
  animation: fadeInDown 1s ease 0.3s both;
}

.hero-tagline {
  font-family: var(--font-sub);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--antique-gold);
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 500;
  animation: fadeInUp 1s ease 0.5s both;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--pure-white);
  line-height: 1.1;
  margin-bottom: 16px;
  animation: fadeInUp 1s ease 0.7s both;
}

.hero-title em {
  font-style: italic;
  color: var(--antique-gold);
  display: block;
}

.hero-desc {
  font-family: var(--font-sub);
  font-size: 1.2rem;
  color: rgba(245, 240, 232, 0.8);
  margin-bottom: 40px;
  font-style: italic;
  letter-spacing: 1px;
  animation: fadeInUp 1s ease 0.9s both;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 1.1s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--antique-gold);
  color: var(--deep-forest);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 50px;
  border: 2px solid var(--antique-gold);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  background: transparent;
  color: var(--antique-gold);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(201, 169, 110, 0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: transparent;
  color: var(--warm-cream);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 50px;
  border: 1px solid rgba(245, 240, 232, 0.3);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-outline:hover {
  border-color: var(--antique-gold);
  color: var(--antique-gold);
  transform: translateY(-3px);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeInUp 1s ease 1.5s both;
}

.hero-scroll span {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(245, 240, 232, 0.5);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--antique-gold), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.5; transform: scaleY(0.6); }
}

/* ── ABOUT / INTRO SECTION ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-image-accent {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--antique-gold);
  border-radius: 8px;
  z-index: -1;
  opacity: 0.5;
}

.about-text .section-label {
  text-align: left;
}

.about-text .section-title {
  text-align: left;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.about-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 40px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 14px;
}

.about-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.1);
  border: 1px solid rgba(201, 169, 110, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--antique-gold);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.about-feature span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--warm-cream);
}

/* Stats */
.stats-row {
  display: flex;
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(201, 169, 110, 0.15);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--antique-gold);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── SERVICES SECTION ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  group: true;
}

.service-card-image {
  position: relative;
  height: 400px;
  overflow: hidden;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.service-card:hover .service-card-image img {
  transform: scale(1.1);
}

.service-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    transparent 30%,
    rgba(26, 47, 35, 0.95) 100%
  );
  transition: var(--transition-smooth);
}

.service-card:hover .service-card-overlay {
  background: linear-gradient(
    180deg,
    rgba(26, 47, 35, 0.3) 0%,
    rgba(26, 47, 35, 0.95) 100%
  );
}

.service-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

.service-card:hover .service-card-content {
  transform: translateY(0);
}

.service-card-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
  display: block;
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--pure-white);
  margin-bottom: 8px;
}

.service-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
  opacity: 0;
  transition: var(--transition-smooth);
}

.service-card:hover .service-card-desc {
  opacity: 1;
}

.service-card-price {
  font-family: var(--font-sub);
  font-size: 1.1rem;
  color: var(--antique-gold);
  font-weight: 600;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--antique-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 12px;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition-smooth);
}

.service-card:hover .service-card-link {
  opacity: 1;
  transform: translateY(0);
}

/* Large service card spanning 2 rows */
.service-card.large {
  grid-row: span 2;
}

.service-card.large .service-card-image {
  height: 100%;
  min-height: 830px;
}

/* ── PRICING SECTION ── */
.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.pricing-tab {
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid rgba(245, 240, 232, 0.15);
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-fast);
  letter-spacing: 0.5px;
}

.pricing-tab:hover {
  border-color: var(--antique-gold);
  color: var(--antique-gold);
}

.pricing-tab.active {
  background: var(--antique-gold);
  color: var(--deep-forest);
  border-color: var(--antique-gold);
  font-weight: 600;
}

.pricing-panel {
  display: none;
}

.pricing-panel.active {
  display: block;
  animation: fadeInUp 0.5s ease;
}

.pricing-list {
  max-width: 800px;
  margin: 0 auto;
}

.pricing-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid rgba(245, 240, 232, 0.08);
  transition: var(--transition-fast);
}

.pricing-item:hover {
  padding-left: 16px;
  border-bottom-color: rgba(201, 169, 110, 0.2);
}

.pricing-item:last-child {
  border-bottom: none;
}

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

.pricing-item-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--pure-white);
  margin-bottom: 4px;
}

.pricing-item-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pricing-item-dots {
  flex: 1;
  border-bottom: 1px dotted rgba(245, 240, 232, 0.15);
  margin: 0 20px;
  min-width: 40px;
}

.pricing-item-price {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--antique-gold);
  white-space: nowrap;
}

.pricing-item.popular {
  background: rgba(201, 169, 110, 0.08);
  margin: 0 -24px;
  padding: 24px;
  border-radius: 8px;
  border-bottom: none;
}

.pricing-item.popular .pricing-item-name::after {
  content: 'Phổ biến';
  font-family: var(--font-body);
  font-size: 0.65rem;
  background: var(--antique-gold);
  color: var(--deep-forest);
  padding: 3px 10px;
  border-radius: 20px;
  margin-left: 12px;
  vertical-align: middle;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ── GALLERY SECTION ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 280px);
  gap: 12px;
}

.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.gallery-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 47, 35, 0);
  transition: var(--transition-fast);
}

.gallery-item:hover::after {
  background: rgba(26, 47, 35, 0.3);
}

.gallery-item:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item:nth-child(4) {
  grid-column: span 2;
}

/* ── TESTIMONIALS SECTION ── */
.testimonials-wrapper {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.testimonial-slide {
  display: none;
  text-align: center;
  padding: 0 40px;
}

.testimonial-slide.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.testimonial-quote {
  font-size: 4rem;
  color: var(--antique-gold);
  font-family: var(--font-heading);
  line-height: 0.5;
  margin-bottom: 24px;
  opacity: 0.5;
}

.testimonial-text {
  font-family: var(--font-sub);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--warm-cream);
  line-height: 1.8;
  margin-bottom: 32px;
}

.testimonial-author {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--antique-gold);
  font-weight: 600;
  margin-bottom: 4px;
}

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

.testimonial-stars {
  color: var(--antique-gold);
  margin-bottom: 24px;
  font-size: 1.1rem;
  letter-spacing: 4px;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 40px;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(245, 240, 232, 0.2);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
}

.testimonial-dot.active {
  background: var(--antique-gold);
  transform: scale(1.2);
}

.google-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(245, 240, 232, 0.05);
  border: 1px solid rgba(245, 240, 232, 0.1);
  padding: 12px 24px;
  border-radius: 50px;
  margin-top: 40px;
}

.google-badge-icon {
  font-size: 1.5rem;
}

.google-badge-text {
  font-size: 0.85rem;
  color: var(--warm-cream);
}

.google-badge-stars {
  color: var(--antique-gold);
  margin-left: 8px;
}

/* ── EXPERT SECTION ── */
.expert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.expert-image-wrapper {
  position: relative;
}

.expert-image {
  border-radius: 12px;
  overflow: hidden;
}

.expert-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.expert-badge {
  position: absolute;
  bottom: -20px;
  right: 30px;
  background: var(--antique-gold);
  color: var(--deep-forest);
  padding: 16px 24px;
  border-radius: 8px;
  text-align: center;
}

.expert-badge-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.expert-badge-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.expert-name {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--pure-white);
  margin-bottom: 8px;
}

.expert-title-role {
  font-family: var(--font-sub);
  font-size: 1.1rem;
  color: var(--antique-gold);
  font-style: italic;
  margin-bottom: 24px;
}

.expert-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.expert-credentials {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.credential-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.credential-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--antique-gold);
  flex-shrink: 0;
}

.credential-text {
  font-size: 0.95rem;
  color: var(--warm-cream);
}

/* ── BLOG SECTION ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.blog-card {
  background: rgba(245, 240, 232, 0.03);
  border: 1px solid rgba(245, 240, 232, 0.06);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.blog-card:hover {
  transform: translateY(-8px);
  border-color: rgba(201, 169, 110, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.blog-card-image {
  height: 220px;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.blog-card-content {
  padding: 28px;
}

.blog-card-category {
  font-size: 0.75rem;
  color: var(--antique-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  margin-bottom: 12px;
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--pure-white);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── BOOKING CTA SECTION ── */
.cta-section {
  position: relative;
  padding: 130px 0;
  text-align: center;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(14, 28, 20, 0.90);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  color: var(--pure-white);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.cta-title em {
  font-style: italic;
  color: var(--antique-gold);
}

.cta-desc {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #FFFFFF;
  font-weight: 400;
  line-height: 1.8;
  margin: 0 auto 40px;
  max-width: 700px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.cta-highlight {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 8px 22px;
  background: rgba(201, 169, 110, 0.18);
  border: 1px solid var(--antique-gold);
  border-radius: 30px;
  color: var(--antique-gold);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
}

/* Crisp Logo Optimization */
.nav-logo img, .hero-logo, .footer-brand img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.hero-logo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 28px;
  border: 2px solid rgba(201, 169, 110, 0.7);
  padding: 4px;
  background: rgba(26, 47, 35, 0.7);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ── FOOTER ── */
#footer {
  background: var(--charcoal);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(245, 240, 232, 0.08);
}

.footer-brand img {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin-bottom: 20px;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--pure-white);
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(245, 240, 232, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--warm-cream);
  transition: var(--transition-fast);
  font-size: 0.9rem;
}

.footer-social a:hover {
  background: var(--antique-gold);
  border-color: var(--antique-gold);
  color: var(--deep-forest);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--pure-white);
  margin-bottom: 24px;
  font-weight: 600;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--antique-gold);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-contact-icon {
  color: var(--antique-gold);
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-contact-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-contact-text a {
  color: var(--warm-cream);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── FLOATING CTA ── */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--pure-white);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.float-btn:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.float-btn-zalo {
  background: #0068FF;
}

.float-btn-phone {
  background: #25D366;
  animation: phone-ring 2s ease-in-out infinite;
}

.float-btn-top {
  background: var(--antique-gold);
  color: var(--deep-forest);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

.float-btn-top.visible {
  opacity: 1;
  visibility: visible;
}

@keyframes phone-ring {
  0%, 100% { transform: scale(1); }
  10%, 30% { transform: scale(1.1) rotate(5deg); }
  20%, 40% { transform: scale(1.1) rotate(-5deg); }
  50% { transform: scale(1); }
}

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* ── Keyframe Animations ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Gold shimmer effect */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--antique-gold) 0%,
    var(--gold-light) 50%,
    var(--antique-gold) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }

  .about-grid,
  .expert-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card.large {
    grid-row: span 1;
  }

  .service-card.large .service-card-image {
    min-height: 400px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 220px);
  }

  .gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
  }

  .gallery-item:nth-child(4) {
    grid-column: span 1;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }

  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .about-image img {
    height: 350px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .stats-row {
    flex-wrap: wrap;
    gap: 24px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card-image,
  .service-card.large .service-card-image {
    height: 300px;
    min-height: 300px;
  }

  .service-card-desc {
    opacity: 1;
  }

  .service-card-link {
    opacity: 1;
    transform: translateY(0);
  }

  .service-card-content {
    transform: translateY(0);
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(4, 180px);
  }

  .gallery-item:nth-child(1) {
    grid-column: span 2;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .pricing-tabs {
    gap: 6px;
  }

  .pricing-tab {
    padding: 10px 20px;
    font-size: 0.8rem;
  }

  .pricing-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .pricing-item-dots {
    display: none;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .expert-image img {
    height: 350px;
  }

  .testimonial-text {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .nav-inner {
    padding: 0 16px;
  }

  .hero-logo {
    width: 90px;
    height: 90px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .pricing-item-price {
    font-size: 1rem;
  }

  .floating-cta {
    bottom: 16px;
    right: 16px;
  }

  .float-btn {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }
}