/* =============================================
   BÌA MẠ VÀNG – Premium CSS Design System
   Colors: Navy #01308a | Gold #f39200 | Red #e03030
   ============================================= */

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

:root {
  --navy: #01308a;
  --navy-d: #011f5c;
  --gold: #f39200;
  --gold-d: #c97800;
  --gold-l: #ffd166;
  --red: #e03030;
  --white: #ffffff;
  --gray-1: #f5f6fa;
  --gray-2: #e9ecf3;
  --gray-3: #8898aa;
  --dark: #1a1a2e;
  --zalo: #0068ff;
  --shadow: 0 4px 24px rgba(1, 48, 138, .13);
  --shadow-gold: 0 4px 24px rgba(243, 146, 0, .25);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: .3s cubic-bezier(.4, 0, .2, 1);
  --font-main: 'Roboto', sans-serif;
  --font-head: 'Montserrat', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

strong {
  font-weight: 700;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-pad {
  padding: 80px 0;
}

.bg-light {
  background: var(--gray-1);
}

.bg-navy {
  background: var(--navy-d);
}

/* ---------- TOPBAR ---------- */
.topbar {
  background: var(--navy-d);
  color: rgba(255, 255, 255, .8);
  font-size: .82rem;
  padding: 7px 0;
  position: relative;
  z-index: 100;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-left i {
  color: var(--gold);
}

.topbar-divider {
  opacity: .3;
}

.topbar-zalo {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--gold);
  color: var(--navy-d);
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: .82rem;
  transition: var(--transition);
}

.topbar-zalo:hover {
  background: var(--gold-d);
  transform: scale(1.04);
}

/* ---------- HEADER ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--navy);
  box-shadow: none;
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(1, 48, 138, .3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  animation: logo-pulse 3s ease-in-out infinite;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}

@keyframes logo-pulse {

  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(243, 146, 0, .3), 0 4px 18px rgba(243, 146, 0, .5);
  }

  50% {
    box-shadow: 0 0 0 6px rgba(243, 146, 0, .15), 0 6px 26px rgba(243, 146, 0, .6);
  }
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 1px;
  line-height: 1.1;
  text-shadow: 0 0 20px rgba(243, 146, 0, .5), 0 2px 4px rgba(0, 0, 0, .3);
  background: linear-gradient(90deg, var(--gold-l), var(--gold), var(--gold-d), var(--gold));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shine-text 4s linear infinite;
}

@keyframes shine-text {
  0% {
    background-position: 0% center;
  }

  100% {
    background-position: 200% center;
  }
}

.logo-sub {
  font-size: .72rem;
  color: rgba(255, 255, 255, .75);
  letter-spacing: .5px;
  font-weight: 500;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: .82rem;
  font-weight: 600;
  color: rgba(255, 255, 255, .85);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: .4px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gold);
  background: rgba(243, 146, 0, .1);
}

/* Header Zalo button */
.btn-zalo-header {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--navy-d);
  font-weight: 800;
  font-size: .85rem;
  padding: 10px 20px;
  border-radius: 30px;
  white-space: nowrap;
  transition: var(--transition);
  box-shadow: 0 3px 14px rgba(243, 146, 0, .35);
  flex-shrink: 0;
}

.btn-zalo-header:hover {
  background: var(--gold-d);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(243, 146, 0, .4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--white);
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--navy-d);
  flex-direction: column;
  padding: 10px 0 16px;
  z-index: 998;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .3);
  transform: translateY(-10px);
  opacity: 0;
  transition: var(--transition);
}

.mobile-nav.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  color: rgba(255, 255, 255, .85);
  font-weight: 600;
  font-size: .9rem;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--gold);
  background: rgba(243, 146, 0, .08);
}

.mobile-nav-link.zalo-mob {
  color: var(--gold);
  font-weight: 800;
  margin-top: 4px;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('banner.png') center/cover no-repeat,
    linear-gradient(135deg, #011f5c 0%, #01308a 50%, #0a2060 100%);
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(1, 15, 50, 0.82) 0%,
      rgba(1, 48, 138, 0.70) 50%,
      rgba(0, 10, 40, 0.88) 100%);
  z-index: 1;
}

/* Gold particle shimmer */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(243, 146, 0, .12) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(243, 146, 0, .10) 0%, transparent 50%);
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 80px 20px 60px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(243, 146, 0, .15);
  border: 1px solid rgba(243, 146, 0, .4);
  color: var(--gold-l);
  font-size: .82rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 22px;
  letter-spacing: .5px;
  animation: fadeDown .7s ease both;
}

.hero-badge i {
  color: var(--gold);
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
  animation: fadeDown .7s .1s ease both;
}

.hero-highlight {
  background: linear-gradient(90deg, var(--gold), var(--gold-l));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, .82);
  margin-bottom: 28px;
  line-height: 1.75;
  animation: fadeDown .7s .2s ease both;
}

.hero-sub strong {
  color: var(--gold-l);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
  animation: fadeDown .7s .3s ease both;
}

.hero-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  color: var(--white);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: .85rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.hero-tag i {
  color: var(--gold);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  animation: fadeDown .7s .4s ease both;
}

.btn-hero-zalo {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--zalo);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  padding: 14px 30px;
  border-radius: 50px;
  box-shadow: 0 6px 24px rgba(0, 104, 255, .45);
  transition: var(--transition);
  letter-spacing: .3px;
}

.btn-hero-zalo:hover {
  background: #005ee0;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 104, 255, .5);
}

.btn-hero-price {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(243, 146, 0, .7);
  color: var(--gold-l);
  font-weight: 700;
  font-size: .95rem;
  padding: 13px 26px;
  border-radius: 50px;
  transition: var(--transition);
}

.btn-hero-price:hover {
  background: rgba(243, 146, 0, .12);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255, 255, 255, .4);
  font-size: 1.4rem;
  animation: bounce 2s infinite;
}

/* ---------- URGENCY BAR ---------- */
.urgency-bar {
  background: linear-gradient(90deg, var(--red) 0%, #c0392b 100%);
  padding: 14px 0;
}

.urgency-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.urgency-inner i {
  color: #fff;
  font-size: 1.3rem;
}

.urgency-inner span {
  color: #fff;
  font-size: .92rem;
  flex: 1;
}

.urgency-inner strong {
  font-size: 1rem;
}

.urgency-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  color: var(--red);
  font-weight: 800;
  font-size: .85rem;
  padding: 8px 20px;
  border-radius: 30px;
  white-space: nowrap;
  transition: var(--transition);
}

.urgency-btn:hover {
  transform: scale(1.04);
  background: #ffe5e5;
}

/* ---------- SECTION HEADER ---------- */
.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-tag {
  display: inline-block;
  background: linear-gradient(90deg, var(--gold), var(--gold-d));
  color: var(--white);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  color: var(--navy-d);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-desc {
  color: var(--gray-3);
  font-size: .95rem;
  max-width: 560px;
  margin: 0 auto;
}

.section-header.light .section-title {
  color: var(--white);
}

.section-header.light .section-desc {
  color: rgba(255, 255, 255, .65);
}

/* ---------- FEATURES ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-2);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-l));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(1, 48, 138, .15);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}

.feature-icon.gold {
  background: linear-gradient(135deg, rgba(243, 146, 0, .15), rgba(243, 146, 0, .05));
  color: var(--gold-d);
  border: 1px solid rgba(243, 146, 0, .3);
}

.feature-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy-d);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: .9rem;
  color: var(--gray-3);
  line-height: 1.65;
}

/* ---------- SERVICES ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--gray-2);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(1, 48, 138, .18);
}

.service-img-wrap {
  position: relative;
}

.service-img-placeholder {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: rgba(255, 255, 255, .85);
}

.gold-grad {
  background: linear-gradient(135deg, #c97800, #f39200, #ffd166);
}

.blue-grad {
  background: linear-gradient(135deg, #01308a, #0a5fc5);
}

.red-grad {
  background: linear-gradient(135deg, #c0392b, #e03030);
}

.dark-grad {
  background: linear-gradient(135deg, #1a1a2e, #2c3e50);
}

.green-grad {
  background: linear-gradient(135deg, #1a7a4a, #27ae60);
}

.purple-grad {
  background: linear-gradient(135deg, #6c3483, #8e44ad);
}

.service-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--red);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.service-body {
  padding: 24px;
}

.service-body h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy-d);
  margin-bottom: 10px;
}

.service-body p {
  font-size: .88rem;
  color: var(--gray-3);
  line-height: 1.62;
  margin-bottom: 18px;
}

.service-btn {
  display: inline-flex;
  align-items: center;
  background: var(--navy);
  color: var(--white);
  font-size: .82rem;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 30px;
  transition: var(--transition);
  letter-spacing: .3px;
}

.service-btn:hover {
  background: var(--gold-d);
  transform: translateX(3px);
}

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

.pricing-note {
  background: linear-gradient(90deg, rgba(243, 146, 0, .1), rgba(243, 146, 0, .05));
  border-left: 4px solid var(--gold);
  padding: 14px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .88rem;
  color: var(--dark);
  margin-bottom: 28px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.pricing-note i {
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.price-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
}

.price-table thead {
  background: var(--navy);
}

.price-table th {
  color: var(--white);
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 700;
  padding: 18px 16px;
  text-align: center;
  letter-spacing: .4px;
}

.price-table th.highlight-col {
  background: var(--gold-d);
}

.badge-urgent {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: .68rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 12px;
  margin-bottom: 4px;
  letter-spacing: .3px;
}

.price-table tbody tr {
  border-bottom: 1px solid var(--gray-2);
}

.price-table tbody tr:last-child {
  border-bottom: none;
}

.price-table tbody tr:hover {
  background: rgba(1, 48, 138, .03);
}

.price-table td {
  padding: 18px 16px;
  text-align: center;
  font-size: .92rem;
  color: var(--dark);
}

.price-table td:first-child {
  text-align: left;
}

.size-dim {
  color: var(--gray-3);
  font-size: .78rem;
  font-weight: 400;
}

.highlight-col {
  background: rgba(243, 146, 0, .07);
}

.price-cell {
  font-weight: 700;
  color: var(--navy-d);
  font-size: 1rem;
}

.highlight-col.price-cell {
  color: var(--gold-d);
  font-size: 1.05rem;
}

.pricing-cta {
  text-align: center;
  margin-top: 32px;
}

/* ---------- SHARED BUTTON ---------- */
.btn-zalo-gold {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--zalo) 0%, #0050cc 100%);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: .95rem;
  padding: 14px 30px;
  border-radius: 50px;
  box-shadow: 0 5px 20px rgba(0, 104, 255, .35);
  transition: var(--transition);
  letter-spacing: .2px;
}

.btn-zalo-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 104, 255, .45);
  background: linear-gradient(135deg, #0050cc, var(--zalo));
}

.btn-zalo-gold.big {
  font-size: 1.05rem;
  padding: 16px 36px;
}

/* ---------- HOW IT WORKS ---------- */
.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.step-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  flex: 1;
  min-width: 220px;
  max-width: 300px;
  transition: var(--transition);
  backdrop-filter: blur(6px);
}

.step-card:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-6px);
}

.step-num {
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--gold);
  margin-bottom: 14px;
  opacity: .8;
}

.step-icon {
  font-size: 2.2rem;
  color: var(--gold);
  margin-bottom: 16px;
}

.step-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.step-card p {
  font-size: .88rem;
  color: rgba(255, 255, 255, .65);
  line-height: 1.65;
}

.step-arrow {
  color: var(--gold);
  font-size: 1.4rem;
  opacity: .5;
  align-self: center;
  padding: 0 8px;
}

.how-cta {
  text-align: center;
  margin-top: 44px;
}

/* ---------- GALLERY ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 200px);
  gap: 16px;
}

.gallery-placeholder {
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.gallery-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.gp1 {
  background: linear-gradient(135deg, #c97800 0%, #ffd166 50%, #d4a300 100%);
  grid-column: span 1;
  grid-row: span 2;
}

.gp2 {
  background: linear-gradient(135deg, #01308a, #0a5fc5);
}

.gp3 {
  background: linear-gradient(135deg, #1a7a4a, #27ae60);
}

.gp4 {
  background: linear-gradient(135deg, #6c3483, #8e44ad);
}

.gp5 {
  background: linear-gradient(135deg, #c0392b, #e74c3c);
}

.gp6 {
  background: linear-gradient(135deg, #2c3e50, #3d5a72);
}

/* Pattern overlay */
.gallery-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .05) 0px, rgba(255, 255, 255, .05) 1px, transparent 1px, transparent 12px);
  pointer-events: none;
}

.gal-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .35);
  color: var(--white);
  font-size: 2rem;
  opacity: 0;
  transition: var(--transition);
}

.gallery-placeholder:hover .gal-overlay {
  opacity: 1;
}

.gallery-placeholder:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 36px rgba(0, 0, 0, .25);
}

.gal-label {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  color: var(--white);
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 700;
  background: rgba(0, 0, 0, .4);
  padding: 6px 12px;
  border-radius: 8px;
  backdrop-filter: blur(4px);
  letter-spacing: .3px;
}

/* ---------- TESTIMONIALS ---------- */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testi-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-2);
  transition: var(--transition);
  position: relative;
}

.testi-card::after {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 5rem;
  color: var(--gold);
  opacity: .12;
  font-family: Georgia, serif;
  line-height: 1;
}

.testi-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(1, 48, 138, .13);
}

.testi-stars {
  color: var(--gold);
  font-size: 1.05rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testi-text {
  font-size: .92rem;
  color: var(--dark);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

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

.testi-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--navy), var(--gold-d));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: .85rem;
  flex-shrink: 0;
}

.testi-author strong {
  display: block;
  font-size: .9rem;
  color: var(--navy-d);
}

.testi-author span {
  font-size: .78rem;
  color: var(--gray-3);
}

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

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

.contact-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--navy), #0a5fc5);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: .82rem;
  color: var(--gray-3);
  margin-bottom: 3px;
}

.contact-item span,
.contact-item a {
  font-size: .95rem;
  color: var(--navy-d);
  font-weight: 600;
}

.contact-link:hover {
  color: var(--zalo);
  text-decoration: underline;
}

.contact-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-2);
}

.contact-box-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy-d);
  margin-bottom: 12px;
}

.contact-box p {
  font-size: .9rem;
  color: var(--gray-3);
  margin-bottom: 22px;
  line-height: 1.65;
}

.contact-template {
  margin-bottom: 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.template-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--dark);
  background: var(--gray-1);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}

.template-line i {
  color: var(--gold-d);
  flex-shrink: 0;
}

/* ---------- GOOGLE MAPS ---------- */
.map-wrap {
  margin-top: 48px;
}

.map-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: .88rem;
  font-weight: 700;
  color: var(--navy-d);
  margin-bottom: 14px;
  padding: 10px 16px;
  background: linear-gradient(90deg, rgba(243, 146, 0, .1), rgba(243, 146, 0, .04));
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.map-label i {
  color: var(--gold-d);
  font-size: 1rem;
}

.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-2);
  line-height: 0;
}

.map-container iframe {
  display: block;
  width: 100%;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-2);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: 0 8px 28px rgba(1, 48, 138, .15);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy-d);
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--gold-d);
}

.faq-question i {
  color: var(--gold);
  font-size: .8rem;
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
}

.faq-item.open .faq-question {
  color: var(--gold-d);
  border-bottom: 1px solid var(--gray-2);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 18px 24px 22px;
}

.faq-answer p {
  font-size: .9rem;
  color: var(--dark);
  line-height: 1.75;
}

.faq-answer strong {
  color: var(--navy-d);
}

/* ---------- FOOTER ---------- */
.footer {
  background: #111827;
  color: rgba(255, 255, 255, .75);
  padding-top: 60px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--gold);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo i {
  color: var(--gold);
}

.footer-col p {
  font-size: .88rem;
  line-height: 1.7;
  margin-bottom: 8px;
}

.footer-col p i {
  color: var(--gold);
  margin-right: 6px;
}

.footer-col p a {
  color: rgba(255, 255, 255, .8);
}

.footer-col p a:hover {
  color: var(--gold);
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, .08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gold-d);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-head);
  font-size: .88rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: .88rem;
  color: rgba(255, 255, 255, .65);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a::before {
  content: '›';
  color: var(--gold);
  font-weight: 700;
}

.footer-col ul li a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-zalo-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--zalo);
  color: var(--white);
  font-weight: 700;
  font-size: .82rem;
  padding: 9px 20px;
  border-radius: 30px;
  margin-top: 14px;
  transition: var(--transition);
}

.footer-zalo-btn:hover {
  background: #005ee0;
  transform: translateY(-2px);
}

.footer-bottom {
  padding: 18px 0;
  text-align: center;
  font-size: .8rem;
  color: rgba(255, 255, 255, .4);
}

/* ---------- FLOATING ZALO ---------- */
.float-zalo {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--zalo);
  color: var(--white);
  font-weight: 800;
  font-size: .88rem;
  padding: 12px 20px 12px 16px;
  border-radius: 50px;
  box-shadow: 0 6px 24px rgba(0, 104, 255, .5);
  transition: var(--transition);
  text-decoration: none;
}

.float-zalo:hover {
  background: #005ee0;
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 12px 32px rgba(0, 104, 255, .55);
}

.float-zalo-label {
  white-space: nowrap;
}

.float-zalo-pulse {
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 14px;
  background: var(--red);
  border-radius: 50%;
  border: 2px solid var(--white);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 90px;
  right: 28px;
  z-index: 9998;
  width: 42px;
  height: 42px;
  background: var(--navy);
  color: var(--white);
  border: none;
  cursor: pointer;
  border-radius: 50%;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(1, 48, 138, .3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
}

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

.back-to-top:hover {
  background: var(--gold-d);
  transform: translateY(-3px);
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

@keyframes pulse-dot {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.4);
    opacity: .6;
  }
}

/* Scroll fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {

  .nav,
  .btn-zalo-header {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .topbar-left {
    gap: 6px;
    font-size: .75rem;
  }

  .hero {
    min-height: 100svh;
  }

  .hero-content {
    padding: 60px 20px 40px;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .steps-grid {
    gap: 16px;
  }

  .step-arrow {
    display: none;
  }

  .step-card {
    max-width: none;
    min-width: 0;
  }

  .section-pad {
    padding: 56px 0;
  }

  .float-zalo-label {
    display: none;
  }

  .float-zalo {
    padding: 12px;
    border-radius: 50%;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

  .btn-hero-zalo,
  .btn-hero-price {
    width: 100%;
    justify-content: center;
  }
}

/* ========== SERVICE CARD THUMBNAILS ========== */
.service-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-img-wrap {
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.service-view-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0, 0, 0, .65);
  color: #fff;
  font-size: .82rem;
  padding: 6px 14px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.service-img-wrap:hover .service-view-btn {
  opacity: 1;
  transform: translateY(0);
}

/* ========== LIGHTBOX MODAL ========== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, .8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
}

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

.lightbox-content {
  background: var(--navy);
  border: 1px solid rgba(212, 175, 55, .25);
  border-radius: 16px;
  padding: 32px;
  max-width: 900px;
  width: 92%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: lightboxIn .35s ease;
}

@keyframes lightboxIn {
  from {
    transform: scale(.9) translateY(24px);
    opacity: 0;
  }

  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.lightbox-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: .7;
  transition: var(--transition);
  z-index: 2;
}

.lightbox-close:hover {
  opacity: 1;
  color: var(--gold);
}

.lightbox-title {
  font-family: var(--font-head);
  color: var(--gold);
  font-size: 1.35rem;
  margin-bottom: 24px;
  text-align: center;
}

.lightbox-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.lightbox-img-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.lightbox-img-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, .15);
}

.lightbox-img-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
}

.lightbox-img-label {
  display: block;
  padding: 12px 14px;
  color: #ccc;
  font-size: .85rem;
  text-align: center;
}

.lightbox-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 auto;
  max-width: 280px;
}