/* ============================================
   ทีมช่างบี้ - รับทำหลังคาทุกประเภท
   Style: Neumorphism | Modern Thai Roofing
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700;800&family=Kanit:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables --- */
:root {
  --bg: #e8edf2;
  --bg-dark: #dde3ea;
  --bg-light: #f0f4f8;
  --shadow-dark: #b8c4d0;
  --shadow-light: #ffffff;
  --text-primary: #2c3e50;
  --text-secondary: #5a6a7a;
  --text-muted: #8fa0b0;
  --accent: #e74c3c;
  --accent-dark: #c0392b;
  --accent-hover: #ff6b5b;
  --blue: #2980b9;
  --blue-dark: #1a6a99;
  --green: #27ae60;
  --gold: #f39c12;
  --line-green: #06c755;
  --fb-blue: #1877f2;
  --neu-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
  --neu-shadow-sm: 3px 3px 8px var(--shadow-dark), -3px -3px 8px var(--shadow-light);
  --neu-shadow-lg: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
  --neu-inset: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --transition: 0.3s ease;
  --font-heading: 'Kanit', sans-serif;
  --font-body: 'Sarabun', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); line-height: 1.3; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* --- Container --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-sm { padding: 50px 0; }

/* --- Section Title --- */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-title span { color: var(--accent); }
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 40px;
}
.title-center { text-align: center; }
.title-line {
  display: inline-block;
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 16px;
}

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 6px 20px rgba(0,0,0,0.15); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-icon {
  width: 44px; height: 44px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--neu-shadow-sm);
}
.nav-logo-text { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; line-height: 1.2; }
.nav-logo-text span { font-size: 0.8rem; color: var(--text-secondary); font-weight: 400; display: block; }
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition);
  background: transparent;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
}
.nav-cta {
  background: var(--accent);
  color: white !important;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: 4px 4px 8px var(--shadow-dark), -2px -2px 6px var(--shadow-light);
}
.nav-cta:hover { background: var(--accent-dark); box-shadow: 2px 2px 4px var(--shadow-dark); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================
   HERO SECTION
   ============================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231,76,60,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(41,128,185,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-title .highlight { color: var(--accent); }
.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 30px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-num { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.hero-visual { position: relative; }
.hero-card-main {
  background: var(--bg);
  box-shadow: var(--neu-shadow-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
}
.hero-card-main img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-card-main .hero-img-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #2c3e50 0%, #e74c3c 100%);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: white; gap: 12px;
}
.hero-img-placeholder .icon { font-size: 4rem; }
.hero-img-placeholder p { font-size: 0.95rem; opacity: 0.9; }
.hero-float-card {
  position: absolute;
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
}
.hero-float-card.card-1 { bottom: -20px; left: -30px; }
.hero-float-card.card-2 { top: -20px; right: -20px; }
.float-icon { font-size: 1.5rem; }

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 4px 4px 10px rgba(231,76,60,0.4), -2px -2px 6px var(--shadow-light);
}
.btn-primary:hover { background: var(--accent-dark); box-shadow: 2px 2px 6px rgba(231,76,60,0.3); transform: translateY(1px); }
.btn-line {
  background: var(--line-green);
  color: white;
  box-shadow: 4px 4px 10px rgba(6,199,85,0.35), -2px -2px 6px var(--shadow-light);
}
.btn-line:hover { background: #05a847; box-shadow: 2px 2px 6px rgba(6,199,85,0.25); transform: translateY(1px); }
.btn-fb {
  background: var(--fb-blue);
  color: white;
  box-shadow: 4px 4px 10px rgba(24,119,242,0.35), -2px -2px 6px var(--shadow-light);
}
.btn-fb:hover { background: #1565d8; box-shadow: 2px 2px 6px rgba(24,119,242,0.25); transform: translateY(1px); }
.btn-neu {
  background: var(--bg);
  color: var(--text-primary);
  box-shadow: var(--neu-shadow);
}
.btn-neu:hover { box-shadow: var(--neu-inset); transform: translateY(1px); }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }

/* ============================
   NEUMORPHISM CARDS
   ============================ */
.neu-card {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.neu-card:hover { box-shadow: var(--neu-shadow-lg); transform: translateY(-3px); }
.neu-card-flat {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  padding: 24px;
}
.neu-inset {
  background: var(--bg);
  box-shadow: var(--neu-inset);
  border-radius: var(--radius);
  padding: 24px;
}

/* ============================
   SERVICE SECTION
   ============================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  cursor: pointer;
  border-left: 4px solid transparent;
}
.service-card:hover {
  box-shadow: var(--neu-shadow-lg);
  transform: translateY(-4px);
  border-left-color: var(--accent);
}
.service-icon {
  width: 56px; height: 56px;
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.service-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.service-desc { font-size: 0.9rem; color: var(--text-secondary); }

/* ============================
   FEATURES
   ============================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--neu-shadow-lg); }
.feature-icon { font-size: 2.5rem; margin-bottom: 14px; }
.feature-title { font-family: var(--font-heading); font-weight: 700; font-size: 1rem; margin-bottom: 8px; }
.feature-desc { font-size: 0.85rem; color: var(--text-secondary); }

/* ============================
   ROOF TYPES
   ============================ */
.roof-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.roof-type-card {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  transition: var(--transition);
}
.roof-type-card:hover { transform: translateY(-3px); box-shadow: var(--neu-shadow-lg); }
.roof-type-icon { font-size: 2rem; margin-bottom: 10px; }
.roof-type-name { font-weight: 700; font-size: 0.95rem; color: var(--text-primary); }
.roof-type-desc { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* ============================
   GALLERY
   ============================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.gallery-item {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--neu-shadow-lg); }
.gallery-img {
  width: 100%; height: 200px;
  object-fit: cover;
  display: block;
}
.gallery-img-placeholder {
  width: 100%; height: 200px;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg) 100%);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.gallery-img-placeholder .ph-icon { font-size: 2.5rem; }
.gallery-caption {
  padding: 14px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.gallery-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* ============================
   REVIEWS
   ============================ */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  padding: 26px;
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--neu-shadow-lg); }
.review-stars { color: var(--gold); font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }
.review-text { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 16px; font-style: italic; line-height: 1.6; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.review-name { font-weight: 700; font-size: 0.9rem; }
.review-location { font-size: 0.78rem; color: var(--text-muted); }

/* ============================
   FAQ ACCORDION
   ============================ */
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.97rem;
  color: var(--text-primary);
  gap: 12px;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
}
.faq-icon {
  font-size: 1rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  width: 24px; height: 24px;
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 22px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 22px 18px; }

/* ============================
   CALCULATOR
   ============================ */
.calculator-box {
  background: var(--bg);
  box-shadow: var(--neu-shadow-lg);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 700px;
  margin: 0 auto;
}
.calc-title { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; text-align: center; margin-bottom: 28px; }
.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.calc-field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.calc-select, .calc-input {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: var(--neu-inset);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  appearance: none;
  cursor: pointer;
  outline: none;
}
.calc-result {
  background: var(--bg);
  box-shadow: var(--neu-inset);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  margin-bottom: 20px;
  display: none;
}
.calc-result.show { display: block; }
.calc-price { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--accent); }
.calc-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }

/* ============================
   CONTACT FORM
   ============================ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.88rem; font-weight: 600; color: var(--text-secondary); }
.form-input, .form-select, .form-textarea {
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: var(--neu-inset);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  box-shadow: inset 4px 4px 10px var(--shadow-dark), inset -4px -4px 10px var(--shadow-light), 0 0 0 2px var(--accent);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-error { font-size: 0.78rem; color: var(--accent); display: none; }
.form-field.error .form-error { display: block; }
.form-field.error .form-input,
.form-field.error .form-select,
.form-field.error .form-textarea {
  box-shadow: inset 4px 4px 10px var(--shadow-dark), inset -4px -4px 10px var(--shadow-light), 0 0 0 2px var(--accent);
}

/* ============================
   CONTACT INFO CARDS
   ============================ */
.contact-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.contact-card {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--neu-shadow-lg); }
.contact-card-icon { font-size: 2rem; margin-bottom: 12px; }
.contact-card-label { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-card-value { font-weight: 700; font-size: 1rem; color: var(--text-primary); }

/* ============================
   PROVINCES PAGE
   ============================ */
.search-box {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 40px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.search-input {
  flex: 1;
  min-width: 200px;
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: var(--neu-inset);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
}
.provinces-section { margin-bottom: 50px; }
.provinces-section-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}
.provinces-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
}
.province-link {
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  border-left: 3px solid transparent;
}
.province-link:hover {
  box-shadow: var(--neu-shadow);
  color: var(--accent);
  border-left-color: var(--accent);
  transform: translateX(3px);
}
.province-link .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.province-link.hidden { display: none; }

/* ============================
   AREA PAGE (Province/District)
   ============================ */
.area-hero {
  padding: 100px 0 60px;
  background: var(--bg);
}
.area-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.area-breadcrumb a { color: var(--accent); }
.area-breadcrumb span { color: var(--text-muted); }
.area-hero-title { font-family: var(--font-heading); font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 800; }
.area-hero-title span { color: var(--accent); }
.area-hero-sub { color: var(--text-secondary); margin-top: 10px; font-size: 1rem; }
.area-cta-row { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.area-content { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.area-text h2 { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.area-text p { color: var(--text-secondary); margin-bottom: 16px; font-size: 0.93rem; }
.area-text ul li {
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  gap: 8px;
}
.area-text ul li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }

/* ============================
   STICKY CTA (Mobile)
   ============================ */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  display: none;
  background: var(--bg);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
  padding: 10px 16px;
}
.sticky-cta-inner { display: flex; gap: 8px; }
.sticky-cta .btn { flex: 1; justify-content: center; padding: 11px 8px; font-size: 0.82rem; }

/* ============================
   SCROLL TO TOP
   ============================ */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 998;
  width: 46px;
  height: 46px;
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}
.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.scroll-top:hover { box-shadow: var(--neu-shadow-lg); transform: translateY(-2px); }

/* ============================
   FOOTER
   ============================ */
.footer {
  background: var(--bg-dark);
  padding: 60px 0 0;
  border-top: 1px solid var(--shadow-dark);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo-icon {
  width: 48px; height: 48px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--neu-shadow-sm);
}
.footer-brand-name { font-family: var(--font-heading); font-weight: 800; font-size: 1.1rem; }
.footer-brand-sub { font-size: 0.78rem; color: var(--text-muted); }
.footer-desc { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.7; }
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}
.social-btn:hover { box-shadow: var(--neu-shadow); transform: translateY(-2px); }
.footer-title { font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem; margin-bottom: 16px; color: var(--text-primary); }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 0.87rem; color: var(--text-secondary); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact-item { display: flex; gap: 10px; margin-bottom: 10px; font-size: 0.87rem; color: var(--text-secondary); }
.footer-contact-item .ic { color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid var(--shadow-dark);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-seo { font-size: 0.8rem; color: var(--text-muted); }

/* ============================
   TAGS & BADGES
   ============================ */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  color: var(--text-secondary);
}
.tag-accent { color: var(--accent); }
.badge-red { background: var(--accent); color: white; padding: 2px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; }

/* ============================
   MAP PLACEHOLDER
   ============================ */
.map-placeholder {
  background: var(--bg);
  box-shadow: var(--neu-inset);
  border-radius: var(--radius);
  height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 10px;
  font-size: 0.9rem;
}
.map-placeholder .map-icon { font-size: 3rem; }

/* ============================
   SERVICE DETAIL PAGE
   ============================ */
.service-detail-header {
  padding: 100px 0 50px;
  background: var(--bg);
}
.service-list { display: flex; flex-direction: column; gap: 30px; }
.service-detail-card {
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
}
.service-detail-card:hover { box-shadow: var(--neu-shadow-lg); }
.service-detail-top { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 20px; }
.service-detail-icon-big {
  width: 72px; height: 72px;
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}
.service-detail-title { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; margin-bottom: 6px; }
.service-detail-target { font-size: 0.87rem; color: var(--text-muted); }
.service-meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-top: 20px; }
.service-meta-item {
  background: var(--bg);
  box-shadow: var(--neu-inset);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.service-meta-label { font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-bottom: 6px; text-transform: uppercase; }
.service-meta-content { font-size: 0.87rem; color: var(--text-secondary); }

/* ============================
   PROCESS STEPS
   ============================ */
.process-steps { display: flex; gap: 0; position: relative; }
.process-step {
  flex: 1;
  text-align: center;
  padding: 20px 16px;
  position: relative;
}
.step-num {
  width: 44px; height: 44px;
  background: var(--bg);
  box-shadow: var(--neu-shadow);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--accent);
  font-size: 1.1rem;
  margin: 0 auto 12px;
}
.step-title { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.step-desc { font-size: 0.78rem; color: var(--text-muted); }

/* ============================
   HIGHLIGHT BAR
   ============================ */
.highlight-bar {
  background: var(--accent);
  color: white;
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 4px 4px 12px rgba(231,76,60,0.3);
}
.highlight-bar h3 { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; }
.highlight-bar p { font-size: 0.9rem; opacity: 0.9; margin-top: 4px; }

/* ============================
   ANIMATIONS
   ============================ */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-delay-1 { transition-delay: 0.1s; }
.fade-delay-2 { transition-delay: 0.2s; }
.fade-delay-3 { transition-delay: 0.3s; }

/* ============================
   PAGE HEADER (inner pages)
   ============================ */
.page-header {
  padding: 100px 0 50px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 100%;
  background: radial-gradient(circle at right, rgba(231,76,60,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.page-header-title { font-family: var(--font-heading); font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 800; margin-bottom: 12px; }
.page-header-title span { color: var(--accent); }
.page-header-sub { color: var(--text-secondary); font-size: 1rem; max-width: 600px; }

/* ============================
   TABLE OF CONTENTS (provinces)
   ============================ */
.toc-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.toc-link {
  background: var(--bg);
  box-shadow: var(--neu-shadow-sm);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.87rem;
  color: var(--text-secondary);
  transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.toc-link:hover { color: var(--accent); box-shadow: var(--neu-shadow); }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .area-content { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: var(--bg); box-shadow: 0 8px 24px rgba(0,0,0,0.12); padding: 16px; flex-direction: column; gap: 4px; }
  .nav-menu.open { display: flex; }
  .nav-link { padding: 12px 16px; border-radius: var(--radius-sm); }
  .hamburger { display: flex; }
  .section { padding: 60px 0; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .sticky-cta { display: flex; }
  .scroll-top { bottom: 80px; }
  .calc-grid { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; }
  .provinces-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .gallery-full-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}
@media (max-width: 480px) {
  .hero-stats { gap: 16px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
}

/* ============================
   UTILITY
   ============================ */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.mb-10 { margin-bottom: 10px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-12 { gap: 12px; }
.hidden { display: none !important; }

/* Print */
@media print { .navbar, .sticky-cta, .scroll-top { display: none; } }