:root {
  --navy-950: #0A0A0C;
  --navy-900: #121318;
  --navy-800: #1C1E26;
  --navy-700: #2A2D3A;
  --slate-600: #4B5563;
  --slate-500: #6B7280;
  --slate-300: #D1D5DB;
  --slate-200: #E5E7EB;
  --slate-100: #F3F4F6;
  --slate-50: #F8F9FA;
  --amber-600: #E04800;
  --amber-500: #FF5500;
  --amber-400: #FF7722;
  --amber-100: #FFEDD5;
  --amber-50: #FFF7ED;
  --fb-blue: #1877F2;
  --line-green: #06C755;
  --line-green-dark: #05A847;
  --emerald-600: #059669;
  --emerald-100: #D1FAE5;
  --white: #FFFFFF;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 10px rgba(10, 10, 12, 0.06);
  --shadow-md: 0 12px 32px rgba(10, 10, 12, 0.11);
  --shadow-lg: 0 22px 54px rgba(10, 10, 12, 0.22);
  --shadow-gold: 0 8px 28px rgba(255, 85, 0, 0.42);
  --font-head: 'Prompt', 'Sarabun', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Sarabun', 'Prompt', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--navy-900);
  background-color: var(--slate-50);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  line-height: 1.28;
  color: var(--navy-900);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Top Corporate Announcement Bar */
.topbar {
  background: var(--navy-950);
  color: var(--slate-300);
  font-size: 0.86rem;
  border-bottom: 1px solid rgba(255, 85, 0, 0.28);
  padding: 8px 0;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

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

.topbar-badge {
  background: linear-gradient(135deg, var(--amber-400), var(--amber-600));
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 2px 11px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  box-shadow: 0 0 12px rgba(255, 85, 0, 0.45);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-head);
  font-size: 0.84rem;
}

.topbar-right a {
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.topbar-right a:hover {
  color: var(--amber-400);
}

/* Header Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(10, 10, 12, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 85, 0, 0.22);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 16px;
}

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

.brand-logo img {
  height: 56px;
  width: 56px;
  object-fit: cover;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 85, 0, 0.7);
  box-shadow: 0 0 16px rgba(255, 85, 0, 0.45);
}

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

.brand-title {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.3px;
}

.brand-title span {
  color: var(--amber-500);
}

.brand-sub {
  font-family: var(--font-head);
  font-size: 0.72rem;
  color: var(--slate-300);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-head);
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--slate-200);
}

.nav-links a:hover {
  color: var(--amber-400);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.22s ease;
  text-align: center;
  line-height: 1.3;
}

.btn-amber {
  background: linear-gradient(135deg, #FF7722 0%, #FF5500 55%, #D93800 100%);
  color: var(--white);
  box-shadow: var(--shadow-gold);
}

.btn-amber:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 85, 0, 0.55);
}

.btn-line {
  background: var(--line-green);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(6, 199, 85, 0.28);
}

.btn-line:hover {
  background: var(--line-green-dark);
  transform: translateY(-2px);
}

.btn-fb {
  background: var(--fb-blue);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(24, 119, 242, 0.28);
}

.btn-fb:hover {
  background: #1464C9;
  transform: translateY(-2px);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  border: 1.5px solid rgba(255, 119, 34, 0.65);
}

.btn-outline-light:hover {
  background: rgba(255, 85, 0, 0.18);
  border-color: var(--amber-400);
}

.btn-navy {
  background: var(--navy-900);
  color: var(--white);
}

.btn-navy:hover {
  background: var(--navy-800);
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 1.25rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  background:
    radial-gradient(circle at 80% 18%, rgba(255, 85, 0, 0.24) 0%, transparent 45%),
    linear-gradient(125deg, rgba(10, 10, 12, 0.96) 0%, rgba(18, 19, 24, 0.92) 55%, rgba(18, 19, 24, 0.84) 100%),
    url('/img/banner-renovate.jpg') center/cover no-repeat;
  color: var(--white);
  padding: 56px 0 54px;
  border-bottom: 4px solid var(--amber-500);
}

/* Official Rebranded Cover Banner Showcase */
.hero-banner-frame {
  margin-bottom: 36px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(255, 85, 0, 0.55);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.65), 0 0 32px rgba(255, 85, 0, 0.25);
  background: var(--navy-950);
  position: relative;
}

.hero-banner-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* 5 Core Service Pillars Bar (matching the new Banner) */
.core-pillars-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 38px;
}

.core-pillar-card {
  background: linear-gradient(180deg, rgba(28, 30, 38, 0.95) 0%, rgba(14, 15, 20, 0.98) 100%);
  border: 1px solid rgba(255, 85, 0, 0.35);
  border-top: 3px solid var(--amber-500);
  border-radius: var(--radius-md);
  padding: 16px 14px;
  text-align: center;
  transition: all 0.22s ease;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.core-pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--amber-400);
  box-shadow: 0 14px 30px rgba(255, 85, 0, 0.28);
}

.core-pillar-icon {
  width: 46px;
  height: 46px;
  margin: 0 auto 10px;
  border-radius: 12px;
  background: rgba(255, 85, 0, 0.16);
  border: 1px solid rgba(255, 119, 34, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
}

.core-pillar-card h3 {
  color: var(--white);
  font-size: 1.02rem;
  margin-bottom: 4px;
}

.core-pillar-card p {
  color: var(--amber-400);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 500;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 85, 0, 0.18);
  border: 1px solid rgba(255, 119, 34, 0.55);
  color: var(--amber-400);
  font-family: var(--font-head);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 6px 15px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero-slogan {
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 2.3vw, 1.65rem);
  font-weight: 700;
  color: var(--amber-400);
  text-shadow: 0 0 20px rgba(255, 85, 0, 0.55);
  margin-bottom: 8px;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.hero h1 .gold {
  color: var(--amber-500);
  text-shadow: 0 0 24px rgba(255, 85, 0, 0.45);
}

.hero-tagline {
  font-family: var(--font-head);
  font-size: clamp(1.08rem, 1.9vw, 1.35rem);
  color: var(--slate-100);
  font-weight: 600;
  margin-bottom: 14px;
}

.hero-desc {
  color: var(--slate-300);
  font-size: 1.02rem;
  margin-bottom: 22px;
  max-width: 650px;
}

.hero-desc strong {
  color: var(--white);
}

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

.hero-cta-row .btn {
  padding: 14px 24px;
  font-size: 1rem;
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 26px;
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--slate-100);
}

.hero-badge-item .check {
  color: var(--amber-500);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-stat-card {
  background: rgba(18, 19, 24, 0.78);
  border: 1px solid rgba(255, 85, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.hero-stat-card b {
  display: block;
  font-family: var(--font-head);
  font-size: 1.45rem;
  color: var(--amber-400);
  line-height: 1.2;
}

.hero-stat-card span {
  font-size: 0.82rem;
  color: var(--slate-300);
}

/* Hero Right Dual-Path Card */
.hero-panel {
  background: rgba(14, 15, 20, 0.95);
  border: 1.5px solid rgba(255, 85, 0, 0.5);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 28px rgba(255, 85, 0, 0.18);
}

.hero-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-panel-header h2 {
  color: var(--white);
  font-size: 1.22rem;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.18);
  color: #34D399;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(52, 211, 153, 0.35);
}

.live-dot {
  width: 8px;
  height: 8px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
}

.dual-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.path-card {
  background: rgba(28, 30, 38, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all 0.2s ease;
}

.path-card:hover {
  border-color: var(--amber-500);
  transform: translateY(-2px);
}

.path-card-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.tag-owner {
  background: rgba(255, 85, 0, 0.22);
  color: var(--amber-400);
}

.tag-partner {
  background: rgba(56, 189, 248, 0.2);
  color: #38BDF8;
}

.path-card h3 {
  color: var(--white);
  font-size: 1.08rem;
  margin-bottom: 6px;
}

.path-card p {
  color: var(--slate-300);
  font-size: 0.88rem;
  margin-bottom: 12px;
}

.path-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Trust Marquee Ribbon */
.trust-ribbon {
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  padding: 16px 0;
}

.trust-ribbon-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--white);
  background: linear-gradient(135deg, var(--amber-500), var(--amber-600));
  padding: 5px 14px;
  border-radius: 999px;
}

.trust-chip {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-800);
  background: var(--slate-100);
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid var(--slate-200);
}

/* Section Layout */
.section {
  padding: 76px 0;
}

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

.section-dark {
  background: var(--navy-900);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 44px;
}

.section-kicker {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--amber-600);
  background: var(--amber-100);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.section-dark .section-kicker {
  background: rgba(255, 85, 0, 0.22);
  color: var(--amber-400);
}

.section-header h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.35rem);
  margin-bottom: 12px;
}

.section-dark .section-header h2 {
  color: var(--white);
}

.section-header p {
  color: var(--slate-600);
  font-size: 1.05rem;
}

.section-dark .section-header p {
  color: var(--slate-300);
}

/* Filter Pills */
.filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}

.filter-btn {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--slate-300);
  background: var(--white);
  color: var(--slate-600);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  border-color: var(--amber-500);
  color: var(--navy-900);
}

.filter-btn.active {
  background: var(--navy-950);
  color: var(--amber-400);
  border-color: var(--amber-500);
  box-shadow: 0 4px 14px rgba(255, 85, 0, 0.22);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--amber-400), var(--amber-600));
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--amber-500);
}

.service-icon-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--amber-50);
  border: 1px solid var(--amber-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.service-mode-badge {
  font-family: var(--font-head);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--slate-100);
  color: var(--navy-800);
}

.service-card h3 {
  font-size: 1.22rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--slate-600);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.service-bullets {
  list-style: none;
  margin-bottom: 20px;
  border-top: 1px dashed var(--slate-200);
  padding-top: 14px;
}

.service-bullets li {
  font-size: 0.89rem;
  color: var(--navy-800);
  margin-bottom: 7px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.service-bullets li::before {
  content: '✓';
  color: var(--amber-500);
  font-weight: 700;
}

.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--slate-100);
  gap: 10px;
}

.service-rate {
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--slate-600);
}

.service-rate strong {
  color: var(--amber-600);
  font-size: 1rem;
}

/* Hybrid Model & Comparison Table */
.hybrid-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 44px;
}

.hybrid-pillar {
  background: rgba(28, 30, 38, 0.88);
  border: 1px solid rgba(255, 85, 0, 0.25);
  border-radius: var(--radius-md);
  padding: 26px;
}

.hybrid-pillar .pillar-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--amber-400), var(--amber-600));
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  margin-bottom: 14px;
}

.hybrid-pillar h3 {
  color: var(--white);
  font-size: 1.18rem;
  margin-bottom: 10px;
}

.hybrid-pillar p {
  color: var(--slate-300);
  font-size: 0.94rem;
}

.compare-table-wrap {
  overflow-x: auto;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: var(--navy-900);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--slate-200);
  font-size: 0.95rem;
}

.compare-table thead th {
  background: var(--slate-100);
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--navy-900);
}

.compare-table thead th.highlight-col {
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  color: var(--amber-400);
}

.compare-table tbody td.highlight-col {
  background: var(--amber-50);
  font-weight: 600;
  color: var(--navy-900);
}

/* Interactive Cost Estimator */
.estimator-shell {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  background: var(--white);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-md);
}

.estimator-controls h3 {
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.calc-group {
  margin-bottom: 22px;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--navy-900);
}

.calc-select,
.calc-input,
.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--slate-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--navy-900);
  background: var(--white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.calc-select:focus,
.calc-input:focus,
.form-control:focus {
  outline: none;
  border-color: var(--amber-500);
  box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.18);
}

.area-input-row {
  display: grid;
  grid-template-columns: 1fr 130px;
  gap: 14px;
  align-items: center;
}

.area-slider {
  width: 100%;
  accent-color: var(--amber-500);
  height: 8px;
  cursor: pointer;
}

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.preset-chip {
  font-family: var(--font-head);
  font-size: 0.82rem;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--slate-300);
  background: var(--slate-50);
  cursor: pointer;
  color: var(--navy-800);
}

.preset-chip:hover,
.preset-chip.active {
  background: var(--amber-500);
  color: var(--white);
  border-color: var(--amber-600);
  font-weight: 600;
}

.tier-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.tier-card {
  border: 1.5px solid var(--slate-300);
  border-radius: var(--radius-sm);
  padding: 12px;
  cursor: pointer;
  background: var(--slate-50);
  transition: all 0.2s ease;
}

.tier-card.active {
  border-color: var(--amber-500);
  background: var(--amber-50);
  box-shadow: 0 0 0 2px rgba(255, 85, 0, 0.2);
}

.tier-card b {
  display: block;
  font-family: var(--font-head);
  font-size: 0.92rem;
  color: var(--navy-900);
  margin-bottom: 4px;
}

.tier-card small {
  display: block;
  font-size: 0.78rem;
  color: var(--slate-600);
  line-height: 1.35;
}

.addon-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.addon-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  background: var(--slate-50);
  font-size: 0.9rem;
  cursor: pointer;
}

.addon-item input {
  width: 17px;
  height: 17px;
  accent-color: var(--amber-500);
}

/* Estimator Result Panel */
.estimator-result {
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-950) 100%);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1.5px solid rgba(255, 85, 0, 0.45);
}

.est-Price-box {
  background: rgba(255, 85, 0, 0.08);
  border: 1px solid rgba(255, 85, 0, 0.45);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 20px;
  text-align: center;
}

.est-Price-label {
  font-size: 0.85rem;
  color: var(--slate-300);
  margin-bottom: 4px;
}

.est-Price-value {
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 2.5vw, 2.1rem);
  font-weight: 700;
  color: var(--amber-400);
  line-height: 1.25;
}

.est-Price-sub {
  font-size: 0.84rem;
  color: var(--slate-300);
  margin-top: 6px;
}

.boq-breakdown {
  margin-bottom: 20px;
}

.boq-breakdown h4,
.milestone-box h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 6px;
}

.boq-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
  color: var(--slate-200);
  margin-bottom: 8px;
}

.boq-row strong {
  color: var(--amber-400);
  font-family: var(--font-head);
}

.milestone-list {
  list-style: none;
  margin-bottom: 20px;
}

.milestone-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.83rem;
  color: var(--slate-300);
  padding: 5px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.milestone-list li span:last-child {
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--amber-500);
}

.project-img-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--navy-900);
}

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

.project-card:hover .project-img-wrap img {
  transform: scale(1.05);
}

.project-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(10, 10, 12, 0.9);
  color: var(--amber-400);
  font-family: var(--font-head);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 85, 0, 0.5);
}

.project-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-body h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
}

.project-body p {
  color: var(--slate-600);
  font-size: 0.91rem;
  margin-bottom: 14px;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--slate-500);
  border-top: 1px solid var(--slate-100);
  padding-top: 12px;
}

.project-meta a {
  color: var(--amber-600);
  font-family: var(--font-head);
  font-weight: 600;
}

/* Forms Section (Dual Forms: Owner Quote & Partner Registration) */
.forms-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
  align-items: start;
}

.form-card {
  background: var(--white);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.form-card.partner-card {
  border-color: rgba(255, 85, 0, 0.3);
  background: linear-gradient(180deg, #FFFFFF 0%, #FFF7ED 100%);
}

.form-card-head {
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--slate-200);
}

.form-card-head h3 {
  font-size: 1.38rem;
  margin-bottom: 6px;
}

.form-card-head p {
  color: var(--slate-600);
  font-size: 0.93rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

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

.form-group label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: 6px;
}

.form-group label .req {
  color: #DC2626;
}

.submission-result {
  display: none;
  margin-top: 20px;
  background: var(--amber-50);
  border: 1.5px solid var(--amber-500);
  border-radius: var(--radius-md);
  padding: 20px;
}

.submission-result.show {
  display: block;
}

.submission-result h4 {
  color: var(--navy-900);
  margin-bottom: 8px;
}

.submission-summary-pre {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  white-space: pre-wrap;
  color: var(--navy-900);
  margin-bottom: 14px;
}

/* Service Area Coverage Box (Bangkok /* 77 Provinces Coverage Box */ Central Region) */
.provinces-box {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-sm);
}

.province-search-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.province-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  padding: 6px 2px;
}

.prov-pill {
  font-size: 0.84rem;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  color: var(--navy-800);
  cursor: pointer;
  transition: all 0.15s ease;
}

.prov-pill:hover {
  background: var(--amber-500);
  color: var(--white);
  border-color: var(--amber-600);
  font-weight: 600;
}

/* FAQ Accordion */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 22px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.04rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.35rem;
  color: var(--amber-500);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-body {
  padding: 0 22px 18px;
  color: var(--slate-600);
  font-size: 0.96rem;
  border-top: 1px solid var(--slate-100);
  padding-top: 14px;
}

/* Footer */
.site-footer {
  background: var(--navy-950);
  color: var(--slate-300);
  padding: 64px 0 36px;
  border-top: 4px solid var(--amber-500);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--amber-400);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.86rem;
  color: var(--slate-500);
}

/* Mobile Sticky Bar */
.mobile-sticky-bar {
  display: none;
}

@media (max-width: 1024px) {
  .hero-grid,
  .estimator-shell,
  .forms-grid {
    grid-template-columns: 1fr;
  }
  .core-pillars-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .services-grid,
  .portfolio-grid,
  .hybrid-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--navy-950);
    flex-direction: column;
    padding: 20px;
    border-bottom: 2px solid var(--amber-500);
  }
  .nav-links.open {
    display: flex;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .core-pillars-grid,
  .hero-badges,
  .hero-stats,
  .services-grid,
  .portfolio-grid,
  .hybrid-grid,
  .tier-cards,
  .addon-grid,
  .form-row-2,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .area-input-row {
    grid-template-columns: 1fr;
  }
  body {
    padding-bottom: 72px;
  }
  .mobile-sticky-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99;
    background: rgba(10, 10, 12, 0.96);
    border-top: 1px solid rgba(255, 85, 0, 0.45);
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    gap: 8px;
  }
  .mobile-sticky-bar a {
    flex: 1;
    text-align: center;
    padding: 11px 6px;
    border-radius: 8px;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.86rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
  }
}

/* ---- หน้าเสริม + แชตวิดเจ็ต ---- */
.sub-page { max-width: 900px; padding-top: 24px; padding-bottom: 40px; }
.sub-page h1 { margin-bottom: 14px; }
.sub-page h2 { margin: 26px 0 10px; }
.sub-page ul, .sub-page ol { padding-left: 22px; margin: 10px 0 16px; }
.sub-page li { margin-bottom: 6px; }
.sub-page .crumbs { font-size: 0.85rem; color: var(--slate-500); }
.sub-page .muted { color: var(--slate-500); font-size: 0.85rem; }
.sub-page .sub-cta { margin-top: 26px; display: flex; gap: 10px; flex-wrap: wrap; }
.sub-page .portfolio-grid { margin: 20px 0; }
.contact-simple label { display: block; font-weight: 600; }
.contact-simple .form-control { display: block; width: 100%; margin-top: 4px; }

.rn-chat { position: fixed; right: 16px; bottom: 88px; z-index: 60; font-family: inherit; }
.rn-chat-btn { background: var(--amber-500); color: #fff; border: 0; border-radius: 999px; padding: 12px 18px; font-weight: 700; cursor: pointer; box-shadow: var(--shadow-gold); }
.rn-chat-panel { position: absolute; right: 0; bottom: 54px; width: min(340px, calc(100vw - 32px)); background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); overflow: hidden; color: var(--navy-900); }
.rn-chat-head { background: var(--navy-950); color: #fff; padding: 12px 14px; font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
.rn-chat-x { background: none; border: 0; color: #fff; font-size: 1.4rem; cursor: pointer; line-height: 1; }
.rn-chat-log { max-height: 220px; overflow-y: auto; padding: 12px 14px; font-size: 0.9rem; }
.rn-chat-log p { margin: 0 0 8px; background: var(--slate-100); padding: 8px 10px; border-radius: 10px; }
.rn-chat-log p.me { background: var(--amber-100); text-align: right; }
.rn-chat-quick { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 10px; }
.rn-chat-quick button { border: 1px solid var(--amber-500); background: #fff; color: var(--amber-600); border-radius: 999px; padding: 4px 10px; font-size: 0.8rem; cursor: pointer; }
.rn-chat-form { display: flex; gap: 6px; padding: 0 14px 10px; }
.rn-chat-form input[name="name"], .rn-chat-form input[name="phone"] { min-width: 0; flex: 1; border: 1px solid var(--slate-300); border-radius: 8px; padding: 8px; }
.rn-chat-form button { background: var(--navy-950); color: #fff; border: 0; border-radius: 8px; padding: 0 14px; cursor: pointer; }
.rn-chat-foot { display: flex; justify-content: space-around; padding: 8px 14px 12px; font-size: 0.85rem; border-top: 1px solid var(--slate-200); }
@media (max-width: 760px) { .rn-chat { bottom: 96px; } }

/* มือถือ: ซ่อนปุ่มใน header ที่ซ้ำกับแถบล่าง เพื่อไม่ให้ปุ่มเมนู ☰ ล้นจอ */
@media (max-width: 768px) {
  .nav-actions .btn { display: none; }
}