/* ==========================================================================
   CỨU HỘ GIAO THÔNG 92 - QUẢNG NAM & ĐÀ NẴNG
   Stylesheet hoàn thiện: UI hiện đại, chuẩn Mobile-First, Tối ưu chuyển đổi (CRO)
   ========================================================================== */

:root {
  --navy: #0b1c2c;
  --navy-light: #12283e;
  --navy-dark: #07131e;
  --orange: #f47732;
  --orange-hover: #e0631f;
  --orange-light: #fff5ee;
  --blue: #1475bd;
  --blue-hover: #0e5b94;
  --zalo: #0068ff;
  --zalo-hover: #0056d6;
  --bg-page: #f6f8fa;
  --bg-card: #ffffff;
  --text-main: #192734;
  --text-muted: #5e6d7a;
  --border-light: #e3e8ee;
  --border-focus: #f47732;
  --shadow-sm: 0 2px 8px rgba(11, 28, 44, 0.06);
  --shadow-md: 0 6px 20px rgba(11, 28, 44, 0.08);
  --shadow-lg: 0 12px 32px rgba(11, 28, 44, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.25s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

main {
  display: flex;
  flex-direction: column;
}

.hero { order: 1; }
.emergency-section { order: 2; }
.trust-strip { order: 3; }
.gallery-section { order: 4; }
.services-section { order: 5; }
.coverage-section { order: 6; }
.commitment-section { order: 7; }
.process-section { order: 8; }
.faq-section { order: 9; }
.contact-section { order: 10; }

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  height: 90px;
  min-height: 90px;
  padding: 0 4%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 14px rgba(11, 28, 44, 0.08);
  border-bottom: 2px solid #edf1f5;
}

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

.brand-logo-img {
  height: 78px;
  width: 78px;
  flex-shrink: 0;
  border-radius: 0;
  object-fit: cover;
  border: 0;
  background: transparent;
  box-shadow: none;
  transition: transform 0.25s ease;
}

.brand:hover .brand-logo-img {
  transform: scale(1.05);
}

.brand-name {
  font-size: 19px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.2px;
}

.brand-name b {
  color: var(--orange);
}

.brand-name small {
  display: block;
  font-size: 10.5px;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: 1px;
  margin-top: 4px;
}

.footer-col .brand-logo-img {
  height: 88px;
  width: 88px;
  border: 0;
}

.main-nav {
  display: flex;
  gap: 22px;
  font-size: 13px;
  font-weight: 700;
  color: #33475b;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
}

.main-nav a:hover {
  color: var(--orange);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: var(--transition);
}

.main-nav a:hover::after {
  width: 100%;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-zalo {
  background: #e8f2ff;
  color: var(--zalo);
  border: 1px solid #bcdcff;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-zalo:hover {
  background: var(--zalo);
  color: #fff;
}

.header-call {
  background: var(--orange);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(244, 119, 50, 0.28);
}

.header-call:hover {
  background: var(--orange-hover);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--navy);
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background-color: var(--navy);
  color: #fff;
  overflow: hidden;
}

.hero-photo {
  position: absolute;
  inset: 0;
  background-image: url('images/banner-cuu-ho-oto.jpg');
  background-position: center 45%;
  background-size: cover;
  transform: scale(1.02);
}

.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 19, 30, 0.94) 0%, rgba(7, 19, 30, 0.82) 48%, rgba(7, 19, 30, 0.4) 100%),
              linear-gradient(0deg, rgba(7, 19, 30, 0.7) 0%, transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 70px 5% 70px 8%;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(244, 119, 50, 0.18);
  border: 1px solid var(--orange);
  color: #ff9d63;
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.6px;
  margin-bottom: 20px;
}

.live-pulse {
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--orange);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(244, 119, 50, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(244, 119, 50, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(244, 119, 50, 0); }
}

.hero h1 {
  font-size: clamp(34px, 5.2vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.hero h1 em {
  color: var(--orange);
  font-style: normal;
  display: block;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.7;
  color: #d1dde6;
  max-width: 660px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.btn {
  min-height: 50px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.3px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-orange {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
  box-shadow: 0 8px 24px rgba(244, 119, 50, 0.35);
}

.btn-orange:hover {
  background: var(--orange-hover);
  border-color: var(--orange-hover);
}

.btn-zalo {
  background: var(--zalo);
  color: #fff;
  border-color: var(--zalo);
  box-shadow: 0 8px 20px rgba(0, 104, 255, 0.3);
}

.btn-zalo:hover {
  background: var(--zalo-hover);
  border-color: var(--zalo-hover);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.btn-ghost:hover {
  background: #fff;
  color: var(--navy);
  border-color: #fff;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  max-width: 680px;
}

.stat-item b {
  display: block;
  font-size: 20px;
  font-weight: 900;
  color: #ff9d63;
}

.stat-item span {
  font-size: 11px;
  color: #b0c0ce;
}

/* ==========================================================================
   TRUST STRIP
   ========================================================================== */
.trust-strip {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  padding: 24px 6%;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  border-right: 1px solid var(--border-light);
  padding-right: 12px;
}

.trust-item:last-child {
  border-right: none;
}

.trust-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: var(--radius-sm);
  background: var(--orange-light);
  color: var(--orange);
  font-size: 20px;
  display: grid;
  place-items: center;
  border: 1px solid #ffd8c0;
}

.trust-item b {
  display: block;
  font-size: 13px;
  color: var(--navy);
  margin-bottom: 2px;
}

.trust-item small {
  font-size: 11px;
  color: var(--text-muted);
}

/* ==========================================================================
   SHARED SECTION HEADINGS & WRAPPERS
   ========================================================================== */
.section-wrap {
  padding: 70px 6%;
}

.section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 46px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--orange);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: clamp(26px, 3.8vw, 38px);
  color: var(--navy);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-head h2 em {
  color: var(--blue);
  font-style: normal;
}

.section-head p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.compact-head {
  margin-bottom: 30px;
}

/* ========================================================================== 
   QUICK EMERGENCY CHOICES
   ========================================================================== */
.emergency-section {
  background: #fff;
  padding-top: 54px;
  padding-bottom: 54px;
}

.emergency-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.emergency-card {
  min-height: 158px;
  padding: 22px 18px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-page);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.emergency-card:hover {
  transform: translateY(-4px);
  border-color: var(--orange);
  box-shadow: var(--shadow-md);
}

.emergency-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--orange);
}

.emergency-icon .ui-icon {
  width: 25px;
  height: 25px;
}

.emergency-card strong {
  color: var(--navy);
  font-size: 16px;
  margin-bottom: 4px;
}

.emergency-card small {
  color: var(--text-muted);
  font-size: 12px;
}

/* ==========================================================================
   SERVICES SECTION (6 CARDS)
   ========================================================================== */
.services-section {
  background: var(--bg-page);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-light);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: #d1dde8;
}

.service-card:hover::before {
  background: var(--orange);
}

.service-card.featured {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.service-card.featured::before {
  background: var(--orange);
}

.service-card.featured p {
  color: #b9cad8;
}

.service-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 10px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  background: #eef5fc;
  color: var(--blue);
  margin-bottom: 14px;
}

.service-card.featured .service-badge {
  background: rgba(244, 119, 50, 0.2);
  color: #ff9d63;
}

.service-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.service-icon {
  font-size: 28px;
}

.service-num {
  font-size: 12px;
  font-weight: 800;
  color: #92a4b3;
}

.service-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.3;
}

.service-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.service-card-cta {
  margin-top: auto;
  display: flex;
  gap: 10px;
  border-top: 1px solid #f0f3f6;
  padding-top: 14px;
}

.service-card.featured .service-card-cta {
  border-top-color: rgba(255, 255, 255, 0.12);
}

.service-card-cta a {
  font-size: 12px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-card-cta .call-link {
  color: var(--orange);
}

.service-card-cta .zalo-link {
  color: var(--zalo);
  margin-left: auto;
}

.service-card.featured .service-card-cta .zalo-link {
  color: #61a6ff;
}

/* ==========================================================================
   REAL PHOTO GALLERY (8 IMAGES)
   ========================================================================== */
.gallery-section {
  background: #fff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--navy);
  aspect-ratio: 4 / 3;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 19, 30, 0.88) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px;
  color: #fff;
}

.gallery-tag {
  align-self: flex-start;
  font-size: 9px;
  font-weight: 800;
  background: var(--orange);
  padding: 2px 7px;
  border-radius: 3px;
  margin-bottom: 5px;
  letter-spacing: 0.5px;
}

.gallery-title {
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
}

/* ==========================================================================
   COMMITMENTS (CAM KẾT CHẤT LƯỢNG & BÁO GIÁ MINH BẠCH)
   ========================================================================== */
.commitment-section {
  background: var(--bg-page);
}

.commitment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.pricing-note {
  max-width: 1040px;
  margin: 26px auto 0;
  padding: 18px 20px;
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--orange-light);
  color: var(--text-main);
  font-size: 14px;
  line-height: 1.7;
}

.commitment-item {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  border-top: 4px solid var(--orange);
}

.commitment-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.commitment-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--orange-light);
  color: var(--orange);
  display: grid;
  place-items: center;
  font-size: 22px;
  margin-bottom: 16px;
  border: 1px solid #ffd8c0;
}

.commitment-item h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.3;
}

.commitment-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.commitment-banner {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 30px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: var(--shadow-md);
}

.commitment-banner-text h4 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
  color: #fff;
}

.commitment-banner-text p {
  font-size: 13px;
  color: #c1d3e4;
}

.commitment-banner-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* ==========================================================================
   PROCESS SECTION (4 BƯỚC)
   ========================================================================== */
.process-section {
  background: #fff;
  border-top: 1px solid var(--border-light);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.process-step {
  padding: 24px 20px;
  background: var(--bg-page);
  border-radius: var(--radius-md);
  border-top: 4px solid var(--blue);
  position: relative;
}

.process-step.step-highlight {
  border-top-color: var(--orange);
  background: #fff9f5;
}

.step-num-badge {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 900;
  margin-bottom: 16px;
}

.process-step.step-highlight .step-num-badge {
  background: var(--orange);
}

.process-step h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   COVERAGE / KHU VỰC PHỤC VỤ
   ========================================================================== */
.coverage-section {
  background: var(--navy-dark);
  color: #fff;
}

.coverage-head h2 em {
  color: var(--orange);
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.coverage-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 24px;
}

.coverage-box h3 {
  font-size: 18px;
  color: #ff9d63;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.coverage-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 13px;
  color: #d1dde8;
}

.coverage-box ul li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.coverage-box ul li::before {
  content: '✓';
  color: var(--orange);
  font-weight: 900;
}

.coverage-callout {
  background: linear-gradient(90deg, #173b5c 0%, #102940 100%);
  border: 1px solid #235483;
  border-radius: var(--radius-md);
  padding: 24px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.coverage-callout-text h4 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 4px;
}

.coverage-callout-text p {
  font-size: 13px;
  color: #c1d3e4;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-section {
  background: #fff;
}

.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #fbfcfd;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--orange);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 14px;
}

.faq-item.active .faq-question {
  color: var(--orange);
}

.faq-icon {
  font-size: 20px;
  font-weight: 900;
  color: var(--orange);
  transition: transform 0.25s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 22px 18px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid #f2f4f7;
}

.faq-item.active .faq-answer {
  display: block;
  padding-top: 14px;
}

/* ==========================================================================
   CONTACT SECTION & FORM
   ========================================================================== */
.contact-section {
  background: var(--bg-page);
  border-top: 1px solid var(--border-light);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.contact-info-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 34px 30px;
  box-shadow: var(--shadow-sm);
}

.contact-info-card h3 {
  font-size: 24px;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 8px;
}

.contact-info-card p.contact-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 26px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-icon {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: var(--radius-sm);
  background: var(--orange-light);
  color: var(--orange);
  display: grid;
  place-items: center;
  font-size: 18px;
}

.contact-item b {
  display: block;
  font-size: 14px;
  color: var(--navy);
}

.contact-item span, .contact-item a {
  font-size: 13px;
  color: var(--text-muted);
}

.contact-item a:hover {
  color: var(--orange);
}

.contact-cta-buttons {
  display: flex;
  gap: 12px;
}

/* Form container */
.contact-form-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 34px 30px;
  box-shadow: var(--shadow-sm);
}

.contact-form-card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}

.contact-form-card p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #d4dce4;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-main);
  background: #fff;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(244, 119, 50, 0.15);
}

.form-details {
  margin: 2px 0 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-page);
}

.form-details summary {
  padding: 11px 14px;
  cursor: pointer;
  color: var(--navy);
  font-size: 12px;
  font-weight: 700;
}

.form-details .form-group {
  padding: 0 14px 2px;
}

#formFeedback.form-feedback-error {
  color: #c62828;
  font-weight: 700;
}

.form-success {
  display: none;
  background: #eafaf1;
  border: 1px solid #95e1b2;
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
}

.form-success h4 {
  color: #1e7e44;
  font-size: 16px;
  margin-bottom: 6px;
}

.form-success p {
  font-size: 12px;
  color: #2d6642;
  margin-bottom: 14px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--navy-dark);
  color: #fff;
  border-top: 3px solid var(--orange);
  padding: 60px 6% 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--orange);
}

.footer-col p {
  font-size: 12px;
  color: #a7b8c7;
  line-height: 1.8;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 12px;
  color: #a7b8c7;
}

.footer-links a:hover {
  color: var(--orange);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 12px;
  color: #8496a8;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (ZALO, CALL, BACK TO TOP)
   ========================================================================== */
.floating-actions {
  position: fixed;
  right: 20px;
  bottom: 85px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.28);
  color: #fff;
  cursor: pointer;
  position: relative;
  transition: transform 0.25s ease;
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-call {
  background: var(--orange);
  animation: callWobble 2s infinite ease-in-out;
}

@keyframes callWobble {
  0%, 100% { transform: rotate(0deg) scale(1); }
  10%, 30% { transform: rotate(-12deg) scale(1.05); }
  20%, 40% { transform: rotate(12deg) scale(1.05); }
  50% { transform: rotate(0deg) scale(1); }
}

.float-zalo {
  background: var(--zalo);
}

.float-zalo img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.float-tooltip {
  position: absolute;
  right: 62px;
  background: var(--navy);
  color: #fff;
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.25s ease;
}

.float-btn:hover .float-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* A single local SVG icon set keeps icons consistent across browsers and devices. */
.icon-library{position:absolute;width:0;height:0;overflow:hidden}
.ui-icon{width:19px;height:19px;display:inline-block;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.18em}
.service-icon .ui-icon{width:29px;height:29px;stroke-width:1.65}
.trust-icon .ui-icon{width:21px;height:21px;stroke-width:1.7}
.contact-icon .ui-icon{width:20px;height:20px}
.btn .ui-icon,.call-link .ui-icon,.header-call .ui-icon,.bar-call .ui-icon,.float-call .ui-icon{width:18px;height:18px}
.float-btn .ui-icon{width:22px;height:22px}
.back-to-top .ui-icon{width:20px;height:20px}

.back-to-top {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   MOBILE STICKY ACTION BAR (DƯỚI ĐÁY ĐIỆN THOẠI)
   ========================================================================== */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: #fff;
  box-shadow: 0 -3px 14px rgba(0, 0, 0, 0.14);
  z-index: 1000;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 7px 12px;
}

.mobile-sticky-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.bar-call {
  background: var(--orange);
  color: #fff;
}

.bar-zalo {
  background: var(--zalo);
  color: #fff;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav.nav-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 6%;
    box-shadow: var(--shadow-lg);
    border-bottom: 2px solid var(--orange);
    gap: 16px;
    z-index: 999;
  }

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

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

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

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

  .commitment-banner {
    flex-direction: column;
    text-align: center;
  }

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

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

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

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

@media (max-width: 768px) {
  .site-header {
    height: 78px;
    min-height: 78px;
    padding: 0 3.5%;
  }

  .brand {
    gap: 10px;
  }

  .brand-logo-img {
    height: 64px;
    width: 64px;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-name small {
    font-size: 9px;
  }

  .header-cta-group {
    display: none;
  }

  .hero {
    min-height: 520px;
  }

  .hero-content {
    padding: 50px 4% 60px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .trust-item {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 12px;
  }

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

  .emergency-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .emergency-card {
    min-height: 0;
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
    display: grid;
    grid-template-columns: 48px 1fr;
    column-gap: 14px;
  }

  .emergency-icon {
    grid-row: 1 / 3;
    margin-bottom: 0;
  }

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

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

  .commitment-banner-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .coverage-callout {
    flex-direction: column;
    text-align: center;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .mobile-sticky-bar {
    display: grid;
  }

  .site-footer {
    padding-bottom: 80px;
  }

  .floating-actions {
    bottom: 75px;
    right: 14px;
  }
}

@media (max-width: 480px) {
  .site-header {
    height: 74px;
    min-height: 74px;
    padding: 0 3%;
  }

  .brand {
    gap: 8px;
  }

  .brand-logo-img {
    height: 58px;
    width: 58px;
  }

  .brand-name {
    font-size: 13.5px;
  }

  .brand-name small {
    font-size: 8px;
    letter-spacing: 0.5px;
  }
}