/* ==========================================================================
   PHUQUOC TOURIST — STYLESHEET (CSS3)
   Theme: Luxury Ocean & Tropical Island
   Brand Palette extracted from PQ Logo:
   - Ocean Blue: #006CB8
   - Tropical Teal: #0098A6
   - Emerald Green: #2EA043
   ========================================================================== */

:root {
  /* Brand Palette */
  --color-primary: #006CB8;
  --color-primary-dark: #005596;
  --color-secondary: #0098A6;
  --color-accent: #2EA043;
  --color-accent-hover: #268939;

  /* Gradient */
  --brand-gradient: linear-gradient(135deg, #006CB8 0%, #0098A6 50%, #2EA043 100%);
  --brand-gradient-hover: linear-gradient(135deg, #005a9c 0%, #00818d 50%, #248135 100%);
  --brand-gradient-subtle: linear-gradient(135deg, rgba(0, 108, 184, 0.06) 0%, rgba(0, 152, 166, 0.06) 50%, rgba(46, 160, 67, 0.06) 100%);
  --hero-overlay: linear-gradient(180deg, rgba(11, 37, 69, 0.75) 0%, rgba(11, 37, 69, 0.45) 50%, rgba(11, 37, 69, 0.85) 100%);

  /* Neutrals & Surfaces */
  --color-bg: #FFFFFF;
  --color-bg-light: #F4F8FC;
  --color-bg-card: #FFFFFF;
  --color-dark: #0B2545;
  --color-text: #2C3E50;
  --color-muted: #5A6E85;
  --color-border: #E2ECF5;
  --color-border-light: #F0F4F8;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Sizing & Radius */
  --container-max-width: 1200px;
  --container-padding: 24px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(11, 37, 69, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 37, 69, 0.08);
  --shadow-lg: 0 16px 40px rgba(11, 37, 69, 0.12);
  --shadow-glow: 0 8px 25px rgba(0, 108, 184, 0.25);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark);
  font-weight: 700;
  line-height: 1.25;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--brand-gradient-subtle);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: var(--color-muted);
  max-width: 680px;
  margin: 0 auto;
}

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

/* Container & Sections */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: clamp(60px, 8vw, 100px);
}

.section-bg-light {
  background-color: var(--color-bg-light);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--brand-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 108, 184, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.28);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: all var(--transition-normal);
  padding-block: 18px;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(11, 37, 69, 0.08);
  padding-block: 10px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-logo img {
  height: 62px;
  width: auto;
  object-fit: contain;
  transition: all var(--transition-fast);
}

.site-header.scrolled .brand-logo img {
  height: 52px;
}

.brand-logo:hover img {
  transform: scale(1.04);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: #FFFFFF;
  position: relative;
  padding-block: 4px;
}

.site-header.scrolled .nav-link {
  color: var(--color-dark);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

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

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

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
  font-weight: 600;
  color: #FFFFFF;
}

.site-header.scrolled .lang-switch {
  background: var(--color-border-light);
  color: var(--color-dark);
}

.lang-btn {
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.lang-btn.active {
  background: var(--color-primary);
  color: #FFFFFF;
}

/* Hamburger for Mobile */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  z-index: 1001;
}

.hamburger span {
  display: block;
  height: 2.5px;
  width: 100%;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.site-header.scrolled .hamburger span {
  background-color: var(--color-dark);
}

.hamburger.is-active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
  background-color: var(--color-dark);
}

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

.hamburger.is-active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
  background-color: var(--color-dark);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #FFFFFF;
  padding-top: 100px;
  padding-bottom: 60px;
  overflow: hidden;
}

.hero-bg-container {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide .hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
  transition: transform 7s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slide.active .hero-bg-image {
  transform: scale(1.08);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
  z-index: 2;
  pointer-events: none;
}

.hero-indicators {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 5;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.6);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-normal);
}

.hero-dot:hover {
  background: rgba(255, 255, 255, 0.75);
}

.hero-dot.active {
  width: 32px;
  background: var(--brand-gradient);
  border-color: transparent;
  box-shadow: 0 0 12px rgba(0, 152, 166, 0.65);
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  color: #FFFFFF;
  margin-bottom: 22px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 20%, #7ee6a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  max-width: 680px;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   ABOUT & TRUST INDICATORS
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.about-image-wrapper:hover img {
  transform: scale(1.03);
}

.about-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  padding: 16px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-accent);
}

.about-badge-number {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.about-badge-text {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-weight: 600;
  margin-top: 4px;
}

.about-checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
  margin-bottom: 32px;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--color-dark);
}

.checklist-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-accent);
}

/* ==========================================================================
   PARTNER LOGOS
   ========================================================================== */
.partners-section {
  padding-block: 40px;
  border-bottom: 1px solid var(--color-border);
}

.partners-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.partners-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 5vw, 64px);
}

.partner-item {
  color: #94A3B8;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-item svg, .partner-item img {
  height: 36px;
  width: auto;
  opacity: 0.75;
  transition: all var(--transition-fast);
}

.partner-item:hover {
  color: var(--color-primary);
}

.partner-item:hover svg, .partner-item:hover img {
  opacity: 1;
  transform: translateY(-2px);
}

/* ==========================================================================
   WHY CHOOSE US
   ========================================================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.why-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  position: relative;
  transition: all var(--transition-normal);
}

.why-card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.why-number {
  font-size: 2.35rem;
  font-weight: 900;
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 16px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  display: inline-block;
  letter-spacing: -0.5px;
}

.why-card:hover .why-number {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transform: scale(1.1);
}

.why-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.why-desc {
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   VISION & MISSION
   ========================================================================== */
.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 50px;
}

.vision-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 44px 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.vision-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--brand-gradient);
}

.vision-tag-small {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.vision-card h3 {
  font-size: 1.45rem;
  margin-bottom: 14px;
}

.vision-card p {
  color: var(--color-muted);
  font-size: 1.02rem;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 50px;
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.service-image-box {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.service-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.service-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 37, 69, 0.7);
  backdrop-filter: blur(6px);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-full);
}

.service-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.service-desc {
  color: var(--color-muted);
  font-size: 0.94rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border-light);
  padding-top: 16px;
}

.service-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

/* ==========================================================================
   GALLERY & LIGHTBOX
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 50px;
}

.gallery-item {
  position: relative;
  height: 270px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11, 37, 69, 0.8) 100%);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-caption {
  color: #FFFFFF;
  font-weight: 600;
  font-size: 1rem;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(11, 37, 69, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
}

.lightbox-image {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.2);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* ==========================================================================
   THANK YOU POPUP MODAL
   ========================================================================== */
.thankyou-modal {
  position: fixed;
  inset: 0;
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.thankyou-modal.active {
  opacity: 1;
  visibility: visible;
}

.thankyou-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 37, 69, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.thankyou-card {
  position: relative;
  z-index: 1;
  background: #FFFFFF;
  border-radius: 24px;
  max-width: 480px;
  width: 100%;
  padding: 40px 32px 32px;
  text-align: center;
  box-shadow: 0 25px 60px -15px rgba(0, 85, 150, 0.35), 0 0 0 1px rgba(0, 85, 150, 0.08);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.38s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.thankyou-modal.active .thankyou-card {
  transform: scale(1) translateY(0);
}

.thankyou-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: #F1F5F9;
  color: #64748B;
  font-size: 24px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.thankyou-close:hover {
  background: #E2E8F0;
  color: #0F172A;
  transform: rotate(90deg);
}

.thankyou-icon-box {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10B981, #059669);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
  animation: pulse-ring 2.2s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70% { box-shadow: 0 0 0 14px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.thankyou-check-icon {
  width: 40px;
  height: 40px;
}

.thankyou-badge {
  display: inline-block;
  background: #ECFDF5;
  color: #059669;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  border: 1px solid #A7F3D0;
}

.thankyou-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 12px;
}

.thankyou-desc {
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 22px;
}

.thankyou-desc strong {
  color: var(--color-primary);
}

.thankyou-quick-contacts {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.thankyou-contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.thankyou-contact-btn svg {
  width: 20px;
  height: 20px;
}

.thankyou-contact-btn.hotline {
  background: #FFF7ED;
  color: #EA580C;
  border: 1px solid #FFEDD5;
}

.thankyou-contact-btn.hotline:hover {
  background: #FFEDD5;
  transform: translateY(-2px);
}

.thankyou-contact-btn.zalo {
  background: #EFF6FF;
  color: #0068FF;
  border: 1px solid #DBEAFE;
}

.thankyou-contact-btn.zalo:hover {
  background: #DBEAFE;
  transform: translateY(-2px);
}

.thankyou-contact-btn.whatsapp {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}

.thankyou-contact-btn.whatsapp:hover {
  background: #D1FAE5;
  transform: translateY(-2px);
}

.thankyou-confirm-btn {
  width: 100%;
  padding: 13px 24px;
  font-size: 0.98rem;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 34px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: #F59E0B;
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.author-location {
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-list {
  max-width: 800px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-dark);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 22px;
  color: var(--color-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* ==========================================================================
   CONTACT SECTION & FORM
   ========================================================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-muted);
  margin-bottom: 32px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

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

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--brand-gradient-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon-box svg {
  width: 22px;
  height: 22px;
}

.contact-detail-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-detail-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-dark);
}

.contact-form-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 38px 34px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(0, 108, 184, 0.12);
}

@keyframes pulseSelect {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 108, 184, 0.4);
    border-color: var(--color-primary);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(46, 160, 67, 0.4);
    border-color: var(--color-accent);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 108, 184, 0);
    border-color: var(--color-primary);
  }
}

.highlight-pulse {
  animation: pulseSelect 1.5s ease-in-out;
  border-color: var(--color-accent) !important;
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-response-msg {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  margin-top: 16px;
}

.form-response-msg.success {
  display: block;
  background: #E8F5E9;
  color: #2E7D32;
  border: 1px solid #A5D6A7;
}

.form-response-msg.error {
  display: block;
  background: #FFEBEE;
  color: #C62828;
  border: 1px solid #EF9A9A;
}

/* ==========================================================================
   GOOGLE MAPS (FACADE PATTERN)
   ========================================================================== */
.map-facade-container {
  margin-top: 50px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  position: relative;
  height: 380px;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-facade-trigger {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(180deg, rgba(244, 248, 252, 0.85) 0%, rgba(244, 248, 252, 0.95) 100%);
  cursor: pointer;
  z-index: 2;
  padding: 20px;
  text-align: center;
}

.map-facade-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.map-facade-icon svg {
  width: 26px;
  height: 26px;
}

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

/* ==========================================================================
   FLOATING CTA BAR & QUICK CONTACT BUTTONS
   ========================================================================== */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.floating-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.floating-btn.hotline {
  background: #E53935;
}

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

.floating-btn.whatsapp {
  background: #25D366;
}

.floating-btn.messenger {
  background: #0084FF;
}

.floating-btn svg {
  width: 26px;
  height: 26px;
}

/* ==========================================================================
   SCROLL TO TOP BUTTON (NÚT CUỘN LÊN ĐẦU TRANG)
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0, 108, 184, 0.18);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 980;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-normal);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--brand-gradient);
  color: #FFFFFF;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 108, 184, 0.35);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
  transition: transform var(--transition-fast);
}

.back-to-top:hover svg {
  transform: translateY(-2px);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-dark);
  color: #E2ECF5;
  padding-top: 70px;
  padding-bottom: calc(30px + env(safe-area-inset-bottom));
}

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

.footer-brand img {
  height: 62px;
  width: auto;
  margin-bottom: 20px;
}

.footer-desc {
  color: #94A3B8;
  font-size: 0.94rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
}

.footer-heading::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: #94A3B8;
  font-size: 0.94rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-social-row {
  display: flex;
  gap: 14px;
  margin-top: 14px;
}

.social-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.social-icon-btn svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
  color: #94A3B8;
}

/* ==========================================================================
   RESPONSIVE (MOBILE FIRST ADAPTATIONS)
   ========================================================================== */
@media (max-width: 1024px) {
  .about-grid, .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .services-grid, .why-grid, .testimonials-grid, .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 82%;
    max-width: 360px;
    height: 100vh;
    background: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 40px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.15);
    transition: right var(--transition-normal);
    z-index: 1000;
    overflow-y: auto;
  }

  .nav-menu.is-active {
    right: 0;
  }

  .nav-link {
    color: var(--color-dark);
    font-size: 1.15rem;
    padding-block: 10px;
    width: 100%;
  }

  .header-actions .btn {
    display: none;
  }

  .services-grid, .why-grid, .testimonials-grid, .gallery-grid, .vision-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .floating-cta {
    bottom: calc(16px + env(safe-area-inset-bottom));
    right: 16px;
    gap: 10px;
  }

  .floating-btn {
    width: 48px;
    height: 48px;
  }

  .floating-btn svg {
    width: 24px;
    height: 24px;
  }

  .back-to-top {
    bottom: calc(16px + env(safe-area-inset-bottom));
    left: 16px;
    width: 44px;
    height: 44px;
  }
}