/* =========================================================
   TCON — Accounting Services
   Navy + Gold (brand colors from logo)
   ========================================================= */

:root {
  --primary: #142847;
  --secondary: #c9a227;
  --secondary-light: #d4af37;
  --accent: #b8860b;
  --gold-soft: #f3e6b8;
  --navy-deep: #0f1f35;
  --bg: #fbf7ed;
  --bg-white: #fffefa;
  --text: #1a2332;
  --text-muted: #6b7280;
  --border: #e8dfc8;
  --success: #16a34a;
  --warning: #d4af37;
  --danger: #ef4444;

  --radius: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(20, 40, 71, 0.05);
  --shadow: 0 8px 30px rgba(20, 40, 71, 0.07);
  --shadow-lg: 0 20px 50px rgba(20, 40, 71, 0.12);
  --shadow-blue: 0 12px 40px rgba(201, 162, 39, 0.28);

  --header-h: 80px;
  --container: 1200px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: auto;
  height: 100%;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  max-width: 100%;
  position: relative;
  min-height: 100%;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 800;
  line-height: 1.25;
  color: var(--primary);
}

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

.section {
  padding: 100px 0;
  position: relative;
}

.section-sm {
  padding: 70px 0;
}

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

.section-dark {
  background: var(--primary);
  color: #fff;
}

.section-dark h2,
.section-dark h3,
.section-dark .section-title {
  color: #fff;
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  font-weight: 400;
}

.section-header {
  margin-bottom: 56px;
}

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

.section-header.center .section-desc {
  margin: 0 auto;
}

.section-header.center .eyebrow {
  justify-content: center;
}

.section-header.center .eyebrow::before {
  display: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background: var(--secondary);
  color: var(--navy-deep);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  background: var(--secondary-light);
  color: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(201, 162, 39, 0.35);
}

.btn-accent {
  background: #fffefa;
  color: var(--primary);
}

.btn-accent:hover {
  background: var(--gold-soft);
  color: var(--navy-deep);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  background: rgba(201, 162, 39, 0.04);
}

.btn-white {
  background: #fff;
  color: var(--secondary);
}

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

.btn-ghost-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.btn-ghost-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

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

/* Ripple */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ---------- HEADER ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition);
}

.header-top {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  padding: 8px 0;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.header-top a {
  color: rgba(255, 255, 255, 0.85);
}

.header-top a:hover {
  color: var(--secondary-light);
}

.header-top-left,
.header-top-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-top i {
  color: var(--secondary);
  margin-right: 6px;
}

.header-main {
  background: rgba(255, 254, 250, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.site-header.scrolled .header-main {
  background: rgba(255, 254, 250, 0.96);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.site-header.scrolled .header-top {
  display: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img,
.logo svg {
  height: 52px;
  width: auto;
}

.logo-img {
  height: 52px;
  width: auto;
  display: block;
  border-radius: 8px;
  object-fit: contain;
}

.logo-img--sm {
  height: 40px;
}

.logo-img--footer {
  height: 64px;
  border-radius: 10px;
}

.logo-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  box-shadow: var(--shadow-blue);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--secondary);
  background: rgba(201, 162, 39, 0.06);
}

.nav-link i {
  font-size: 0.65rem;
  opacity: 0.6;
}

/* Mega menu */
.mega-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 640px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 100;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mega-item {
  display: flex;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.mega-item:hover {
  background: var(--bg);
}

.mega-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(201, 162, 39, 0.08);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.mega-item h5 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.mega-item p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-hotline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: rgba(20, 40, 71, 0.08);
  transition: background var(--transition);
}

.header-hotline:hover {
  background: rgba(20, 40, 71, 0.14);
}

.header-hotline-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.header-hotline-text span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-hotline-text strong {
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--primary);
  font-size: 1.2rem;
}

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: min(360px, 90vw);
  height: 100%;
  height: 100dvh;
  background: #fff;
  z-index: 1100;
  padding: 24px;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--transition), visibility var(--transition);
  box-shadow: var(--shadow-lg);
}

.mobile-nav.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.mobile-nav-close {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  font-size: 1.1rem;
}

.mobile-nav-list a {
  display: block;
  padding: 14px 0;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  color: var(--primary);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.mobile-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
  background: linear-gradient(160deg, #fffefa 0%, #f5e9c8 45%, #ede4d0 100%);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

.hero-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}

.shape-1 {
  width: 400px;
  height: 400px;
  background: rgba(201, 162, 39, 0.15);
  top: -100px;
  right: -50px;
  animation: float 12s ease-in-out infinite;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: rgba(20, 40, 71, 0.12);
  bottom: 10%;
  left: -80px;
  animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
  width: 200px;
  height: 200px;
  background: rgba(59, 130, 246, 0.1);
  top: 40%;
  left: 40%;
  animation: float 14s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(20px, -30px);
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--primary);
}

.hero-title .typed-wrap {
  color: var(--secondary);
  display: inline;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.75;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.btn-video {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
  font-family: var(--font);
  font-size: 0.95rem;
}

.btn-video-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 1rem;
  transition: all var(--transition);
  position: relative;
}

.btn-video-icon::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(201, 162, 39, 0.25);
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.35);
    opacity: 0;
  }
}

.btn-video:hover .btn-video-icon {
  background: var(--secondary);
  color: #fff;
  transform: scale(1.05);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-avatars {
  display: flex;
}

.hero-avatars img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -10px;
  object-fit: cover;
}

.hero-avatars img:first-child {
  margin-left: 0;
}

.hero-trust-text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-trust-text strong {
  color: var(--primary);
  font-weight: 700;
}

/* Hero visual */
.hero-visual {
  position: relative;
}

.hero-image-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image-wrap img {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.hero-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 50%,
    rgba(15, 23, 42, 0.25) 100%
  );
}

/* Floating cards — glass */
.float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  z-index: 3;
  animation: float-card 6s ease-in-out infinite;
}

.float-card-1 {
  top: 12%;
  left: -40px;
  animation-delay: 0s;
}

.float-card-2 {
  bottom: 18%;
  right: -30px;
  animation-delay: 1.5s;
}

.float-card-3 {
  bottom: -20px;
  left: 10%;
  animation-delay: 3s;
}

@keyframes float-card {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.float-card-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.float-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.float-card-icon.blue {
  background: rgba(201, 162, 39, 0.14);
  color: var(--secondary);
}

.float-card-icon.green {
  background: rgba(20, 40, 71, 0.1);
  color: var(--primary);
}

.float-card-icon.amber {
  background: rgba(201, 162, 39, 0.2);
  color: var(--accent);
}

.float-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.float-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---------- Brands / Partners strip ---------- */
.partners-strip {
  padding: 40px 0;
  background: var(--bg-white);
  border-block: 1px solid var(--border);
  overflow: hidden;
}

.partners-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}

.logo-marquee {
  overflow: hidden;
  mask-image: linear-gradient(
    90deg,
    transparent,
    #000 10%,
    #000 90%,
    transparent
  );
}

.logo-track {
  display: flex;
  gap: 60px;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.logo-track img,
.logo-item {
  height: 36px;
  opacity: 0.45;
  filter: grayscale(1);
  transition: all var(--transition);
  object-fit: contain;
}

.logo-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  white-space: nowrap;
}

.logo-item:hover,
.logo-track img:hover {
  opacity: 0.9;
  filter: grayscale(0);
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ---------- Cards common ---------- */
.card-soft {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  height: 100%;
}

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

/* ---------- About preview ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image-stack {
  position: relative;
  overflow: hidden;
}

.about-img-main {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img-main img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-img-sub {
  position: absolute;
  bottom: -30px;
  right: -20px;
  width: 48%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 6px solid #fff;
  box-shadow: var(--shadow);
}

.about-img-sub img {
  height: 180px;
  width: 100%;
  object-fit: cover;
}

.experience-badge {
  position: absolute;
  top: 30px;
  left: -20px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.experience-badge strong {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
}

.experience-badge span {
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.85;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.about-feature i {
  color: var(--accent);
  font-size: 1.1rem;
  margin-top: 3px;
}

.about-feature h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.about-feature p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  text-align: center;
  padding: 36px 28px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.value-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  background: linear-gradient(
    135deg,
    rgba(201, 162, 39, 0.14),
    rgba(20, 40, 71, 0.08)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--secondary);
}

.value-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(201, 162, 39, 0.08);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 22px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--secondary);
  color: var(--navy-deep);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--secondary);
}

.service-link i {
  transition: transform var(--transition);
}

.service-card:hover .service-link i {
  transform: translateX(4px);
}

/* ---------- Why choose ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.why-item {
  display: flex;
  gap: 18px;
  padding: 20px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.why-item:hover {
  box-shadow: var(--shadow);
  border-color: transparent;
}

.why-item-num {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.why-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.stat-card:nth-child(1) {
  background: linear-gradient(145deg, var(--primary), var(--navy-deep));
  border: none;
  color: #fff;
}

.stat-card:nth-child(1) .stat-number,
.stat-card:nth-child(1) .stat-label {
  color: #fff;
}

.stat-card:nth-child(1) .stat-number span {
  color: var(--accent);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-number span {
  color: var(--secondary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ---------- Process timeline ---------- */
.process-track {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
  margin-top: 20px;
}

.process-track::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  opacity: 0.25;
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-num {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--secondary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.process-step:hover .process-num {
  background: var(--secondary);
  color: #fff;
  border-color: var(--secondary);
  transform: scale(1.08);
}

.process-step h4 {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0 4px;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px 32px;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-8px);
}

.pricing-card.featured .pricing-name,
.pricing-card.featured .pricing-price,
.pricing-card.featured .pricing-price small,
.pricing-card.featured .pricing-desc,
.pricing-card.featured .pricing-features li {
  color: #fff;
}

.pricing-card.featured .pricing-features li i {
  color: var(--accent);
}

.pricing-ribbon {
  position: absolute;
  top: 20px;
  right: -8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 8px 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pricing-ribbon::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  border: 4px solid transparent;
  border-top-color: #0f1f35;
  border-right-color: #0f1f35;
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}

.pricing-price {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.pricing-price small {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.pricing-features {
  flex: 1;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.pricing-card.featured .pricing-features li {
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.pricing-features li i {
  color: var(--accent);
  margin-top: 3px;
}

.pricing-card .btn {
  width: 100%;
}

/* ---------- Case studies ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  height: 340px;
  group: true;
}

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

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

.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 30%,
    rgba(15, 23, 42, 0.9) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  transition: background var(--transition);
}

.case-card:hover .case-overlay {
  background: linear-gradient(
    180deg,
    rgba(201, 162, 39, 0.3) 0%,
    rgba(15, 23, 42, 0.95) 100%
  );
}

.case-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 8px;
}

.case-overlay h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.case-overlay p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition);
}

.case-card:hover .case-overlay p {
  opacity: 1;
  max-height: 80px;
  margin-bottom: 12px;
}

.case-link {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
}

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

/* ---------- Testimonials ---------- */
.testimonial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  height: 100%;
}

.stars {
  color: var(--warning);
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 28px;
  line-height: 1.75;
  font-weight: 400;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-author img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

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

.swiper-testimonials {
  padding-bottom: 48px !important;
}

.swiper-pagination-bullet {
  background: var(--secondary) !important;
}

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.blog-thumb {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-thumb img {
  transform: scale(1.06);
}

.blog-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: #fff;
  color: var(--secondary);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.blog-meta i {
  margin-right: 4px;
  color: var(--secondary);
}

.blog-body h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  transition: color var(--transition);
}

.blog-card:hover .blog-body h3 {
  color: var(--secondary);
}

.blog-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex: 1;
}

.blog-read {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- FAQ ---------- */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item.active {
  border-color: var(--secondary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  text-align: left;
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--secondary);
  transition: all var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--secondary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    padding 0.3s ease;
}

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

.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(135deg, #0f1f35 0%, #142847 45%, #c9a227 100%);
  padding: 64px;
  color: #fff;
}

.cta-banner::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(20, 40, 71, 0.15);
  top: -80px;
  right: -40px;
  filter: blur(40px);
  animation: float 8s ease-in-out infinite;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  margin-bottom: 14px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta-form-row {
  display: flex;
  gap: 12px;
}

.form-control-premium {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition);
}

.form-control-premium::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-control-premium:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.15);
}

.form-control-light {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition);
}

.form-control-light:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.12);
}

textarea.form-control-light,
textarea.form-control-premium {
  min-height: 120px;
  resize: vertical;
}

select.form-control-light {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* Contact card: tránh premium tối trên nền trắng */
.contact-form-card .form-control-premium {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
}

.contact-form-card .form-control-premium::placeholder {
  color: var(--text-muted);
}

.contact-form-card .form-control-premium:focus {
  border-color: var(--secondary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.12);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(160deg, #0f1f35 0%, #142847 55%, #1a3a5c 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(20, 40, 71, 0.1);
  top: -100px;
  right: -100px;
  filter: blur(60px);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin: 0 auto 24px;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb span {
  opacity: 0.4;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--primary);
  color: #fff;
  border-radius: 24px;
  padding: 40px;
  height: 100%;
}

.contact-info-card h3 {
  color: #fff;
  margin-bottom: 12px;
}

.contact-info-card > p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-info-item h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-info-item p,
.contact-info-item a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.contact-social {
  display: flex;
  gap: 10px;
  margin-top: 40px;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--transition);
}

.social-btn:hover {
  background: var(--secondary);
  color: #fff;
  transform: translateY(-3px);
}

.contact-form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary);
}

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  height: 400px;
  border: 1px solid var(--border);
}

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

/* ---------- Blog detail ---------- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.article-content {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.article-cover {
  height: 400px;
  overflow: hidden;
}

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

.article-body {
  padding: 40px;
}

.article-body h2 {
  font-size: 1.5rem;
  margin: 28px 0 14px;
}

.article-body p {
  margin-bottom: 16px;
  color: var(--text-muted);
}

.article-body ul {
  margin: 0 0 20px 20px;
}

.article-body li {
  list-style: disc;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.sidebar-widget {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}

.sidebar-widget h4 {
  font-size: 1.05rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg);
}

.sidebar-post {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.sidebar-post img {
  width: 72px;
  height: 72px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-post h5 {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 4px;
}

.sidebar-post span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---------- Timeline (about) ---------- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: 50%;
  padding-right: 40px;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 50%;
  padding-left: 40px;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--secondary);
  border: 3px solid #fff;
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.2);
  z-index: 1;
}

.timeline-year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 6px;
}

.timeline-content h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 60px;
}

.footer-brand .logo-text {
  color: #fff;
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 24px;
  font-weight: 700;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-links a i {
  font-size: 0.65rem;
  color: var(--accent);
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.footer-contact-item i {
  color: var(--accent);
  margin-top: 4px;
  width: 18px;
}

/* Floating contact — site colors, no overlap with back-top */
.float-contact {
  --float-size: 48px;
  --float-gap: 10px;
  --back-clear: 72px; /* space above back-top */
  position: fixed;
  right: 16px;
  bottom: var(--back-clear);
  z-index: 9990;
  display: flex;
  flex-direction: column-reverse; /* phone nearest bottom, zalo on top */
  align-items: center;
  gap: var(--float-gap);
  width: var(--float-size);
  max-height: none;
  overflow: visible;
  pointer-events: none;
}

.float-contact .float-btn {
  pointer-events: auto;
}

.float-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 var(--float-size);
  width: var(--float-size);
  height: var(--float-size);
  padding: 0;
  margin: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--primary);
  box-shadow: 0 6px 18px rgba(20, 40, 71, 0.28);
  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.12);
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
}

.float-btn i {
  font-size: 1.2rem;
  line-height: 1;
}

.float-btn-img {
  width: 26px;
  height: 26px;
  display: block;
  object-fit: contain;
  pointer-events: none;
  /* zl.png có nền đen — screen để nền biến mất trên nút primary */
  mix-blend-mode: screen;
}

.social-btn-zalo-img {
  width: 18px;
  height: 18px;
  display: block;
  object-fit: contain;
  mix-blend-mode: screen;
}

.float-btn--zalo,
.float-btn--messenger,
.float-btn--phone {
  background: var(--primary);
  color: #fff;
}

@media (hover: hover) {
  .float-btn:hover {
    color: var(--primary);
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(20, 40, 71, 0.32);
  }
}

/* Desktop only subtle pulse — avoid mobile jank / overflow */
@media (min-width: 769px) and (hover: hover) and (prefers-reduced-motion: no-preference) {
  @keyframes float-pulse-ring {
    0% {
      box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.35);
    }
    70% {
      box-shadow: 0 0 0 10px rgba(201, 162, 39, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(201, 162, 39, 0);
    }
  }
  .float-btn {
    animation: float-pulse-ring 2.8s ease-out infinite;
  }
  .float-btn--messenger {
    animation-delay: 0.4s;
  }
  .float-btn--zalo {
    animation-delay: 0.8s;
  }
}

.back-top {
  position: fixed;
  bottom: 16px;
  right: 16px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--secondary);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-blue);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease,
    transform 0.25s ease,
    background 0.2s ease;
  font-size: 1rem;
}

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

.back-top:hover {
  background: var(--primary);
}

@media (max-width: 768px) {
  .float-contact {
    --float-size: 44px;
    --float-gap: 8px;
    --back-clear: calc(64px + env(safe-area-inset-bottom, 0px));
    right: 12px;
  }

  .float-btn i {
    font-size: 1.1rem;
  }

  .float-btn-img {
    width: 24px;
    height: 24px;
  }

  .back-top {
    width: 44px;
    height: 44px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    font-size: 0.9rem;
  }
}

@media (max-width: 400px) {
  .float-contact {
    --float-size: 40px;
    --float-gap: 6px;
    --back-clear: calc(56px + env(safe-area-inset-bottom, 0px));
    right: 10px;
  }

  .float-btn-img {
    width: 22px;
    height: 22px;
  }

  .back-top {
    width: 40px;
    height: 40px;
    right: 10px;
    bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  }
}

/* Viewport thấp (mobile chưa ẩn thanh địa chỉ) */
@media (max-width: 768px) and (max-height: 720px) {
  .float-contact {
    --float-size: 40px;
    --float-gap: 6px;
    --back-clear: calc(56px + env(safe-area-inset-bottom, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .float-btn {
    animation: none !important;
  }
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

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

.footer-bottom-links a:hover {
  color: #fff;
}

.footer-map {
  margin-top: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 140px;
  opacity: 0.85;
}

.footer-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(0.3);
}

/* ---------- Utility ---------- */
.text-accent {
  color: var(--accent);
}
.text-secondary {
  color: var(--secondary);
}
.mt-4 {
  margin-top: 1.5rem;
}
.mb-0 {
  margin-bottom: 0;
}

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

/* Swiper nav custom */
.swiper-button-next,
.swiper-button-prev {
  width: 44px !important;
  height: 44px !important;
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow);
  color: var(--secondary) !important;
}

.swiper-button-next::after,
.swiper-button-prev::after {
  font-size: 0.9rem !important;
  font-weight: 700;
}