/* 건물열차단 연구소 - Main Stylesheet */
:root {
  --navy: #0b1f3a;
  --navy-mid: #152d52;
  --navy-light: #1e3f6b;
  --blue: #1d6fcc;
  --blue-light: #2563eb;
  --silver: #94a3b8;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --white: #ffffff;
  --light-blue: #dbeafe;
  --text-body: #334155;
  --text-muted: #64748b;
  --section-alt: #f8fafc;
}

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

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

body {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* ========== HEADER ========== */
#site-header {
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 12px rgba(0,0,0,0.10);
  border-bottom: 1px solid #e8edf3;
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
}
.logo { display: flex; flex-direction: column; }
.logo-text {
  color: var(--navy);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.logo-sub {
  color: #94a3b8;
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 2px;
}
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  color: #374151;
  font-size: 0.88rem;
  padding: 8px 11px;
  border-radius: 4px;
  transition: all 0.2s;
  white-space: nowrap;
  font-weight: 500;
}
.main-nav a:hover { color: var(--navy); background: #f1f5f9; }
.header-phone-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--navy);
  color: #ffffff !important;
  padding: 9px 16px !important;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.3px;
}
.header-phone-btn:hover { background: var(--navy-mid) !important; }

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ========== HERO ========== */
#hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 80px;
  background: #07111f;
}

/* 슬라이더 */
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  opacity: 0;
  transition: opacity 1.2s ease;
  transform: scale(1.04);
  animation: none;
}
.hero-slide.active {
  opacity: 1;
  animation: heroZoom 7s ease forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.04); }
  to   { transform: scale(1.00); }
}
.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(6,14,28,0.55) 0%, rgba(8,20,42,0.72) 60%, rgba(6,14,28,0.88) 100%),
    linear-gradient(to right, rgba(6,14,28,0.45) 0%, transparent 60%);
}

/* 슬라이드 닷 */
.hero-slide-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.3s;
}
.hero-dot.active {
  background: #fff;
  transform: scale(1.35);
}
.hero-inner {
  display: block;
  max-width: 800px;
  position: relative;
  z-index: 2;
}
.hero-content {}
.hero-eyebrow {
  display: inline-block;
  background: rgba(37,99,235,0.3);
  border: 1px solid rgba(37,99,235,0.5);
  color: #93c5fd;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-h1 {
  color: rgba(255,255,255,0.65);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 300;
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: 6px;
  text-transform: uppercase;
}
.hero-brand {
  color: var(--white);
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 900;
  margin-bottom: 28px;
  letter-spacing: -2px;
  line-height: 1.1;
}
.hero-desc {
  color: #cbd5e1;
  font-size: 1.08rem;
  margin-bottom: 12px;
  line-height: 1.8;
}
.hero-sub {
  color: #94a3b8;
  font-size: 0.9rem;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}
.hero-badge {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #e2e8f0;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 4px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: var(--blue-light);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  transition: all 0.2s;
  display: inline-block;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-primary:hover { background: #1d4ed8; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,0.4); }
.btn-secondary {
  background: transparent;
  color: var(--white);
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.3);
  transition: all 0.2s;
  display: inline-block;
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn-phone {
  background: #16a34a;
  color: var(--white);
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-phone:hover { background: #15803d; transform: translateY(-1px); }

.hero-visual { position: relative; }
.hero-data-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.data-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 20px;
  backdrop-filter: blur(10px);
}
.data-card-label {
  color: var(--silver);
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.data-card-value {
  color: var(--white);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}
.data-card-desc {
  color: #93c5fd;
  font-size: 0.78rem;
}
.data-card.highlight {
  grid-column: 1 / -1;
  background: rgba(37,99,235,0.2);
  border-color: rgba(37,99,235,0.4);
}

/* ========== REVIEWS SLIDER ========== */
#reviews {
  background: var(--white);
  padding: 60px 0;
  overflow: hidden;
}
.section-label {
  text-align: center;
  color: var(--blue-light);
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}
.section-title {
  text-align: center;
  color: var(--navy);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-desc {
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.reviews-track-wrap {
  overflow: hidden;
  position: relative;
}
.reviews-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  gap: 20px;
}
.review-card {
  flex: 0 0 calc(25% - 15px);
  min-width: calc(25% - 15px);
  background: var(--gray-100);
  border-radius: 10px;
  padding: 22px;
  border-left: 3px solid var(--blue-light);
}
.review-stars { color: #f59e0b; font-size: 0.9rem; margin-bottom: 10px; letter-spacing: 2px; }
.review-text { color: var(--text-body); font-size: 0.88rem; line-height: 1.7; margin-bottom: 14px; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.review-name { font-size: 0.82rem; font-weight: 700; color: var(--navy); }
.review-meta { font-size: 0.75rem; color: var(--text-muted); }
.reviews-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}
.reviews-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  background: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-size: 1rem;
  transition: all 0.2s;
}
.reviews-btn:hover { background: var(--blue-light); border-color: var(--blue-light); color: var(--white); }

/* ========== CASES SECTION ========== */
#cases {
  background: var(--gray-100);
  padding: 70px 0;
}
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.12); }
.case-img {
  height: 180px;
  background: linear-gradient(135deg, var(--navy-light), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}
.case-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.3) 100%);
}
.case-img-label {
  position: relative;
  z-index: 1;
  background: rgba(0,0,0,0.4);
  padding: 6px 14px;
  border-radius: 4px;
}
.case-body { padding: 20px; }
.case-tag {
  display: inline-block;
  background: var(--light-blue);
  color: var(--blue-light);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 10px;
}
.case-title { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.case-text { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
.case-point { font-size: 0.82rem; color: var(--blue-light); font-weight: 600; margin-top: 10px; }

/* ========== PROBLEM SECTION ========== */
#problems {
  background: var(--white);
  padding: 70px 0;
}
.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.problem-card {
  background: var(--gray-100);
  border-radius: 10px;
  padding: 28px 24px;
  border-top: 3px solid transparent;
  transition: all 0.2s;
}
.problem-card:hover { border-top-color: var(--blue-light); background: var(--white); box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.problem-num {
  color: var(--blue-light);
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 10px;
  opacity: 0.4;
}
.problem-title { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.problem-text { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* ========== SOLUTION SECTION ========== */
#solution {
  background: var(--navy);
  padding: 70px 0;
}
#solution .section-title { color: var(--white); }
#solution .section-desc { color: #94a3b8; }
#solution .section-label { color: #60a5fa; }
.solution-table-wrap { overflow-x: auto; margin-top: 40px; }
.solution-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  overflow: hidden;
}
.solution-table th {
  background: rgba(37,99,235,0.3);
  color: var(--white);
  padding: 16px 20px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.solution-table td {
  padding: 16px 20px;
  color: #cbd5e1;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.solution-table tr:last-child td { border-bottom: none; }
.solution-table tr:hover td { background: rgba(255,255,255,0.04); }
.film-type {
  color: #60a5fa;
  font-weight: 700;
}
.notice-box {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 16px 20px;
  color: #94a3b8;
  font-size: 0.85rem;
  margin-top: 24px;
  line-height: 1.6;
}

/* ========== SPACE SECTION ========== */
#spaces {
  background: var(--section-alt);
  padding: 70px 0;
}
.spaces-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
}
.space-tab {
  padding: 8px 20px;
  border-radius: 24px;
  border: 2px solid var(--gray-200);
  background: var(--white);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.space-tab:hover, .space-tab.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}
.space-content { display: none; }
.space-content.active { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.space-info {}
.space-title { font-size: 1.5rem; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.space-desc { color: var(--text-muted); margin-bottom: 20px; line-height: 1.7; }
.space-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.space-list li {
  display: flex;
  gap: 10px;
  color: var(--text-body);
  font-size: 0.9rem;
}
.space-list li::before {
  content: '▸';
  color: var(--blue-light);
  flex-shrink: 0;
  margin-top: 2px;
}
.space-visual {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-radius: 12px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  padding: 20px;
}

/* ========== COMPARISON SECTION ========== */
#comparison {
  background: var(--white);
  padding: 70px 0;
}
.comp-table-wrap { overflow-x: auto; margin-top: 40px; }
.comp-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.comp-table th {
  padding: 18px 20px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
}
.comp-table th:first-child { text-align: left; background: var(--gray-100); color: var(--gray-600); }
.comp-table th:nth-child(2) { background: var(--gray-100); color: var(--gray-600); }
.comp-table th:nth-child(3) { background: var(--navy); color: var(--white); }
.comp-table th:nth-child(4) { background: var(--gray-100); color: var(--gray-600); }
.comp-table td {
  padding: 16px 20px;
  text-align: center;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--text-body);
}
.comp-table td:first-child { text-align: left; font-weight: 600; color: var(--navy); }
.comp-table td:nth-child(3) { background: #f0f4ff; font-weight: 600; color: var(--blue-light); }
.comp-table tr:last-child td { border-bottom: none; }
.comp-good { color: #16a34a; font-weight: 700; }
.comp-mid { color: #d97706; }
.comp-low { color: #94a3b8; }

/* ========== INTERACTIVE SECTION ========== */
#interactive {
  background: var(--navy);
  padding: 70px 0;
}
#interactive .section-title { color: var(--white); }
#interactive .section-label { color: #60a5fa; }
.interactive-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 48px;
}
.checklist-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 30px;
}
.card-title { color: var(--white); font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  cursor: pointer;
}
.checklist-item input[type="checkbox"] { display: none; }
.check-box {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 4px;
  flex-shrink: 0;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.checklist-item.checked .check-box {
  background: var(--blue-light);
  border-color: var(--blue-light);
}
.checklist-item.checked .check-box::after {
  content: '✓';
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 900;
}
.check-label { color: #cbd5e1; font-size: 0.88rem; line-height: 1.5; }
.checklist-item.checked .check-label { color: var(--white); }
.check-result {
  margin-top: 20px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(37,99,235,0.2);
  border: 1px solid rgba(37,99,235,0.4);
  color: #93c5fd;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  display: none;
}
.check-result.show { display: block; }

/* ========== PROCESS SECTION ========== */
#process {
  background: var(--gray-100);
  padding: 70px 0;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 48px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--gray-200);
  z-index: 0;
}
.process-step { text-align: center; position: relative; padding: 0 10px; }
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--blue-light);
  color: var(--blue-light);
  font-size: 1.1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
}
.step-title { font-size: 0.9rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.step-text { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

/* ========== FAQ SECTION ========== */
#faq {
  background: var(--white);
  padding: 70px 0;
}
.faq-list { margin-top: 40px; }
.faq-item {
  border-bottom: 1px solid var(--gray-200);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  line-height: 1.5;
}
.faq-question:hover { color: var(--blue-light); }
.faq-toggle {
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--blue-light);
  transition: transform 0.3s;
  margin-top: 2px;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 500px; padding-bottom: 20px; }

/* ========== ESTIMATE FORM ========== */
#estimate-section {
  background: var(--section-alt);
  padding: 70px 0;
}
.estimate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.estimate-info {}
.estimate-title { font-size: 1.8rem; font-weight: 800; color: var(--navy); margin-bottom: 16px; line-height: 1.3; }
.estimate-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 24px; }
.info-list { display: flex; flex-direction: column; gap: 12px; }
.info-list li {
  display: flex;
  gap: 12px;
  color: var(--text-body);
  font-size: 0.9rem;
}
.info-list li::before {
  content: '·';
  color: var(--blue-light);
  font-weight: 900;
  font-size: 1.2rem;
  line-height: 1;
  flex-shrink: 0;
}
.form-card {
  background: var(--white);
  border-radius: 12px;
  padding: 36px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}
.form-title { font-size: 1.2rem; font-weight: 800; color: var(--navy); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--gray-600); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-body);
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--white);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--blue-light);
}
.form-textarea { height: 100px; resize: vertical; }
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--blue-light);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 8px;
  font-family: inherit;
}
.form-submit:hover { background: #1d4ed8; }
.form-phone-cta {
  text-align: center;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}
.form-phone-cta a {
  color: var(--navy);
  font-size: 1.1rem;
  font-weight: 700;
}
.form-phone-label { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 4px; }

/* ========== FINAL CTA ========== */
#final-cta {
  background: linear-gradient(135deg, var(--navy) 0%, #0f3460 100%);
  padding: 80px 0;
  text-align: center;
}
#final-cta .section-title { color: var(--white); margin-bottom: 16px; }
#final-cta .section-desc { color: #94a3b8; margin-bottom: 40px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== FOOTER ========== */
#footer {
  background: #060f1e;
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { color: var(--white); font-size: 1.1rem; font-weight: 800; margin-bottom: 10px; }
.footer-brand-sub { color: var(--silver); font-size: 0.78rem; margin-bottom: 16px; }
.footer-info { color: #475569; font-size: 0.8rem; line-height: 2; }
.footer-heading { color: var(--silver); font-size: 0.78rem; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 700; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: #475569; font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--silver); }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #334155;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ========== FLOATING ELEMENTS ========== */
.float-phone {
  position: fixed;
  right: 24px;
  bottom: 100px;
  z-index: 999;
}
.float-phone-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #16a34a;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 20px rgba(22,163,74,0.4);
  transition: all 0.3s;
  text-decoration: none;
  cursor: pointer;
  animation: pulse-phone 2.5s infinite;
}
.float-phone-btn:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(22,163,74,0.5); }
.float-phone-label {
  position: absolute;
  right: 66px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--navy);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.float-phone:hover .float-phone-label { opacity: 1; }

@keyframes pulse-phone {
  0%, 100% { box-shadow: 0 4px 20px rgba(22,163,74,0.4); }
  50% { box-shadow: 0 4px 30px rgba(22,163,74,0.7); }
}

.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  background: var(--navy);
  display: none;
  padding: 10px 12px;
  gap: 8px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}
.mobile-cta-bar a {
  flex: 1;
  text-align: center;
  padding: 14px 8px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.3px;
}
.mobile-cta-phone { background: #16a34a; }
.mobile-cta-consult { background: var(--blue-light); }

/* ========== BREADCRUMB ========== */
.breadcrumb {
  background: var(--gray-100);
  padding: 12px 0;
}
.breadcrumb nav { display: flex; gap: 8px; align-items: center; font-size: 0.82rem; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--navy); }
.breadcrumb span { color: var(--gray-400); }

/* ========== PAGE HERO (subpages) ========== */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 16px;
}
.page-hero p {
  color: #94a3b8;
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== UTILITY ========== */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4 { margin-bottom: 16px; }

.highlight-box {
  background: var(--light-blue);
  border-left: 4px solid var(--blue-light);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  margin: 20px 0;
  color: var(--navy);
  font-size: 0.92rem;
  line-height: 1.7;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.info-box {
  background: var(--gray-100);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}
.info-box-title { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.info-box-value { font-size: 1.4rem; font-weight: 800; color: var(--navy); }
.info-box-sub { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

/* Blog styles */
.blog-hero { background: var(--navy); padding: 60px 0; }
.blog-hero h1 { color: var(--white); font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; max-width: 700px; margin: 0 auto 16px; text-align: center; line-height: 1.4; }
.blog-meta { text-align: center; color: var(--silver); font-size: 0.82rem; }
.blog-content { max-width: 820px; margin: 0 auto; padding: 60px 20px; }
.blog-content h2 { font-size: 1.4rem; font-weight: 800; color: var(--navy); margin: 40px 0 16px; }
.blog-content h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin: 28px 0 12px; }
.blog-content p { color: var(--text-body); line-height: 1.9; margin-bottom: 16px; }
.blog-content ul, .blog-content ol { margin: 12px 0 20px 20px; color: var(--text-body); line-height: 1.8; }
.blog-content li { margin-bottom: 6px; }
.blog-cta-inline {
  background: var(--light-blue);
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  padding: 24px;
  margin: 36px 0;
  text-align: center;
}
.blog-cta-inline p { font-size: 0.95rem; font-weight: 600; color: var(--navy); margin-bottom: 12px; }
.blog-faq { margin-top: 48px; }
.related-links { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--gray-200); }
.related-links h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.related-links a { display: block; color: var(--blue-light); font-size: 0.9rem; margin-bottom: 8px; }
.related-links a:hover { text-decoration: underline; }

/* ========== TRUST SECTION ========== */
#trust { background: var(--gray-50); padding: 80px 0; }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}
.trust-item {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px 20px;
  transition: box-shadow 0.2s;
}
.trust-item:hover { box-shadow: 0 4px 18px rgba(11,31,58,0.09); }
.trust-num {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--blue-light);
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.trust-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.trust-text { font-size: 0.84rem; color: var(--text-sub); line-height: 1.65; }

/* ========== A/S GUIDE SECTION ========== */
#as-guide { background: var(--white); padding: 80px 0; }
.as-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.as-card {
  background: var(--gray-50);
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 26px 22px;
}
.as-icon-wrap { font-size: 1.6rem; margin-bottom: 12px; }
.as-title { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.as-text { font-size: 0.84rem; color: var(--text-sub); line-height: 1.7; }

/* ========== FOOTER DISCLAIMER ========== */
.footer-disclaimer {
  text-align: center;
  font-size: 0.76rem;
  color: rgba(255,255,255,0.35);
  padding-top: 12px;
  line-height: 1.6;
}

/* ========== ANIMATIONS ========== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .process-steps::before { display: none; }
  .interactive-grid { grid-template-columns: 1fr; }
  .estimate-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .as-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #ffffff; border-top: 1px solid #e8edf3; box-shadow: 0 8px 20px rgba(0,0,0,0.08); padding: 16px; gap: 4px; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; border-radius: 6px; }
  .nav-toggle { display: flex; }
  #site-header { position: relative; }
  .header-main { position: relative; }
  .problems-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .space-content.active { grid-template-columns: 1fr; }
  .space-visual { display: none; }
  .info-grid { grid-template-columns: 1fr; }
  .hero-data-cards { grid-template-columns: 1fr 1fr; }
  .review-card { flex: 0 0 calc(100% - 0px); min-width: calc(100% - 0px); }
  .footer-grid { grid-template-columns: 1fr; }
  .mobile-cta-bar { display: flex; }
  body { padding-bottom: 60px; }
  .float-phone { bottom: 80px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .comp-table th, .comp-table td { padding: 10px 12px; font-size: 0.8rem; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .as-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-data-cards { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .process-steps { grid-template-columns: 1fr; }
  .reviews-track { gap: 12px; }
}