/* ===================================
   건물열차단연구소 - 상가썬팅
   Shared Stylesheet
=================================== */

:root {
  --bg-0: #FFFFFF;
  --bg-1: #F8F6F2;
  --bg-2: #F1EDE6;
  --bg-3: #EAE4DA;
  --bg-4: #E2DBD0;
  --accent: #A8926E;
  --accent-dark: #7A6548;
  --accent-light: #C9B99A;
  --accent-pale: #EDE5D8;
  --text-1: #2A2018;
  --text-2: #5C5044;
  --text-3: #8C7E72;
  --border: #D8D0C4;
  --border-light: #EAE4DA;
  --shadow-sm: 0 1px 4px rgba(42,32,24,.06);
  --shadow-md: 0 4px 16px rgba(42,32,24,.09);
  --shadow-lg: 0 8px 32px rgba(42,32,24,.12);
  --r: 10px;
  --r-sm: 6px;
  --font: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  --max: 1140px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text-1); background: var(--bg-1); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

/* Typography */
h1, h2, h3, h4 { line-height: 1.35; letter-spacing: -0.5px; }
h2 { font-size: clamp(22px, 3.5vw, 32px); font-weight: 700; color: var(--text-1); }
h3 { font-size: clamp(17px, 2.5vw, 21px); font-weight: 600; }
p { color: var(--text-2); }

/* Layout */
.container { max-width: var(--max); margin: 0 auto; padding: 0 5%; }
.section { padding: 80px 0; }
.section-sm { padding: 60px 0; }

/* ===========================
   HEADER
=========================== */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(248,246,242,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .2s;
}
#site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.site-logo {
  font-size: 15px; font-weight: 700; color: var(--text-1);
  letter-spacing: -0.3px; white-space: nowrap;
}
.site-logo span { color: var(--accent-dark); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { font-size: 14px; color: var(--text-2); font-weight: 500; transition: color .18s; }
.main-nav a:hover { color: var(--accent-dark); }
.header-cta {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 15px; color: var(--accent-dark);
}
.header-cta svg { flex-shrink: 0; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 6px; border-radius: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-1); border-radius: 2px; transition: all .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
#mobile-nav {
  display: none; position: fixed; top: 66px; left: 0; right: 0;
  background: var(--bg-0); border-bottom: 1px solid var(--border);
  padding: 16px 5% 24px; z-index: 999;
  flex-direction: column; gap: 0;
}
#mobile-nav.open { display: flex; }
#mobile-nav a {
  font-size: 15px; color: var(--text-1); padding: 14px 0;
  border-bottom: 1px solid var(--border-light); font-weight: 500;
  transition: color .18s;
}
#mobile-nav a:hover { color: var(--accent-dark); }
#mobile-nav .m-phone {
  margin-top: 16px; padding: 14px;
  background: var(--accent-dark); color: #fff;
  border-radius: var(--r); text-align: center;
  font-weight: 700; font-size: 16px; border-bottom: none;
}

/* ===========================
   HERO SLIDER
=========================== */
.hero {
  position: relative; height: 100vh; min-height: 600px; max-height: 900px;
  overflow: hidden; margin-top: 66px;
}
.hero-slider { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  opacity: 0; transition: opacity .8s ease;
}
.hero-slide.active { opacity: 1; z-index: 1; }

/* Slide backgrounds */
.slide-1 { background: linear-gradient(150deg, #F7EBCF 0%, #EFE0B8 40%, #E8D4A0 100%); }
.slide-2 { background: linear-gradient(150deg, #F2EDE6 0%, #E8E0D4 50%, #DEDAD0 100%); }
.slide-3 { background: linear-gradient(150deg, #F0EAE4 0%, #E6DDD4 50%, #DDD4CC 100%); }
.slide-4 { background: linear-gradient(150deg, #EEF0EC 0%, #E4EAE4 50%, #D8E0D6 100%); }
.slide-5 { background: linear-gradient(150deg, #EEE9E2 0%, #E4DDD4 50%, #D8D0C8 100%); }

.slide-pattern {
  position: absolute; inset: 0; overflow: hidden;
}
.slide-pattern svg { position: absolute; right: 0; top: 0; height: 100%; width: auto; }

.hero-text {
  position: relative; z-index: 2; max-width: var(--max);
  margin: 0 auto; padding: 0 5%;
}
.hero-text h1 {
  font-size: clamp(48px, 8vw, 88px); font-weight: 700;
  color: var(--text-1); letter-spacing: -2px; line-height: 1.1;
  text-shadow: 0 2px 20px rgba(248,246,242,.6);
}
/* Visually matches H1 for non-first slides (aria-hidden, not indexed) */
.hero-h1v {
  font-size: clamp(48px, 8vw, 88px); font-weight: 700;
  color: var(--text-1); letter-spacing: -2px; line-height: 1.1;
  text-shadow: 0 2px 20px rgba(248,246,242,.6);
}
.hero-text .hero-sub {
  font-size: clamp(16px, 2.2vw, 20px); color: var(--text-2);
  margin: 16px 0 8px; font-weight: 400; max-width: 520px;
}
.hero-text .hero-desc {
  font-size: clamp(14px, 1.6vw, 16px); color: var(--text-3);
  max-width: 480px; margin-bottom: 32px; line-height: 1.7;
}
.hero-badges {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap; margin-bottom: 32px;
}
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(42,32,24,.07); border-radius: 20px;
  padding: 6px 14px; font-size: 13px; color: var(--text-2); font-weight: 500;
}
.hero-btns { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-dark); color: #fff;
  padding: 14px 28px; border-radius: 40px;
  font-size: 16px; font-weight: 700; letter-spacing: -0.2px;
  box-shadow: 0 4px 16px rgba(122,101,72,.35);
  transition: background .2s, transform .15s;
}
.btn-primary:hover { background: var(--text-1); transform: translateY(-1px); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--accent); color: var(--accent-dark);
  padding: 13px 24px; border-radius: 40px;
  font-size: 15px; font-weight: 600;
  transition: all .2s;
}
.btn-outline:hover { background: var(--accent-dark); color: #fff; border-color: var(--accent-dark); }

.hero-dots {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; gap: 8px;
}
.hero-dot {
  width: 8px; height: 8px; border-radius: 4px;
  background: rgba(42,32,24,.25); transition: all .3s; cursor: pointer;
}
.hero-dot.active { width: 24px; background: var(--accent-dark); }

/* ===========================
   SECTION TITLES
=========================== */
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { margin-bottom: 12px; }
.section-title .lead {
  font-size: 16px; color: var(--text-3); max-width: 560px;
  margin: 0 auto; line-height: 1.7;
}
.section-label {
  display: inline-block; font-size: 12px; font-weight: 600;
  color: var(--accent-dark); letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 12px;
}

/* ===========================
   CASES SECTION (sec-1)
=========================== */
.cases-section { background: var(--bg-1); }
.cases-intro { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.cases-intro p { font-size: 16px; color: var(--text-2); line-height: 1.8; }

.cases-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-card {
  border-radius: var(--r); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .22s, box-shadow .22s;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.case-img {
  height: 200px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.case-img svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.case-info { background: var(--bg-0); padding: 18px 20px; border-top: 1px solid var(--border-light); flex: 1; }
.case-info h3 { font-size: 16px; margin-bottom: 6px; }
.case-info p { font-size: 14px; color: var(--text-3); line-height: 1.6; }

/* Case card colors (fallback) */
.case-cafe    { background: linear-gradient(145deg, #F7EBCC, #EDD9A8); }
.case-resto   { background: linear-gradient(145deg, #F0EAE0, #E4D8C8); }
.case-salon   { background: linear-gradient(145deg, #F0E8E4, #E4D8D0); }
.case-hospital{ background: linear-gradient(145deg, #EBF0EC, #D8E4DA); }
.case-academy { background: linear-gradient(145deg, #EEE8F4, #DDD4EC); }
.case-shop    { background: linear-gradient(145deg, #F0EEE4, #E0DCCC); }

/* Real photo case cards */
.case-img-photo {
  height: 200px; overflow: hidden; position: relative;
}
.case-img-photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .35s ease;
}
.case-card:hover .case-img-photo img { transform: scale(1.04); }

/* ===========================
   HEAT SECTION (sec-2)
=========================== */
.heat-section { background: var(--bg-2); }
.heat-content { max-width: 760px; margin: 0 auto; }
.heat-content .section-label { display: block; text-align: center; }
.heat-content h2 { text-align: center; margin-bottom: 28px; }
.heat-text { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px; }
.heat-block {
  background: var(--bg-0); border-radius: var(--r);
  padding: 24px; border-left: 3px solid var(--accent-light);
  box-shadow: var(--shadow-sm);
}
.heat-block h4 { font-size: 15px; margin-bottom: 10px; color: var(--accent-dark); font-weight: 600; }
.heat-block p { font-size: 14px; color: var(--text-2); line-height: 1.7; }

/* ===========================
   WHY SECTION (sec-3)
=========================== */
.why-section { background: var(--bg-1); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.why-item {
  background: var(--bg-0); border-radius: var(--r);
  padding: 24px 28px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light); position: relative;
  transition: box-shadow .2s;
}
.why-item:hover { box-shadow: var(--shadow-md); }
.why-q { font-size: 15px; color: var(--text-2); line-height: 1.7; font-weight: 500; padding-left: 24px; }
.why-q::before { content: 'Q'; position: absolute; left: 28px; color: var(--accent-light); font-weight: 700; }
.why-footer { background: var(--accent-pale); border-radius: var(--r); padding: 28px 32px; margin-top: 28px; text-align: center; }
.why-footer p { font-size: 16px; color: var(--text-2); line-height: 1.8; }
.why-footer strong { color: var(--accent-dark); }
.why-tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tag {
  background: var(--bg-0); border: 1px solid var(--border);
  border-radius: 20px; padding: 5px 14px;
  font-size: 13px; color: var(--accent-dark); font-weight: 500;
}

/* ===========================
   CONCERNS SECTION (sec-4)
=========================== */
.concerns-section { background: var(--bg-2); }
.concerns-list { max-width: 680px; margin: 0 auto 32px; }
.concern-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 18px 0; border-bottom: 1px solid var(--border-light);
  opacity: 0; transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease;
}
.concern-item:last-child { border-bottom: none; }
.concern-item.in-view { opacity: 1; transform: none; }
.concern-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  background: var(--accent-pale); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.concern-text { font-size: 16px; color: var(--text-2); font-style: italic; line-height: 1.6; padding-top: 4px; }
.concerns-answer {
  max-width: 680px; margin: 0 auto;
  background: var(--bg-0); border-radius: var(--r);
  padding: 28px 32px; box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--accent);
}
.concerns-answer p { font-size: 15px; color: var(--text-2); line-height: 1.8; }
.concerns-answer strong { color: var(--accent-dark); }

/* ===========================
   BEFORE/AFTER SECTION (sec-5)
=========================== */
.ba-section { background: var(--bg-1); }
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.ba-card {
  border-radius: var(--r); overflow: hidden;
  box-shadow: var(--shadow-md); background: var(--bg-0);
}
.ba-img {
  height: 360px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.ba-before { background: linear-gradient(145deg, #F8F0E0, #EDE0C8); }
.ba-after  { background: linear-gradient(145deg, #EAF0EA, #D8E8D8); }
.ba-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ba-before img { filter: brightness(1.12) saturate(0.75) sepia(0.18) contrast(0.92); }
.ba-after  img { filter: brightness(1.0) saturate(1.1) contrast(1.04); }
.ba-note {
  max-width: 680px; margin: 40px auto 0; text-align: center;
}
.ba-note p { font-size: clamp(16px, 2vw, 20px); color: var(--text-2); line-height: 1.9; }
.ba-label {
  position: absolute; top: 16px; left: 16px;
  background: rgba(42,32,24,.7); color: #fff;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.5px;
}
.ba-placeholder {
  text-align: center; padding: 20px;
}
.ba-placeholder svg { margin: 0 auto 10px; opacity: 0.4; }
.ba-placeholder p { font-size: 13px; color: var(--text-3); }
.ba-info { padding: 20px 24px; }
.ba-info h4 { font-size: 16px; margin-bottom: 8px; }
.ba-info p { font-size: 14px; color: var(--text-3); }
.ba-arrow {
  display: flex; align-items: center; justify-content: center;
  padding: 20px 0;
}
.ba-compare { display: flex; flex-direction: column; gap: 24px; }

/* ===========================
   REVIEWS SECTION (sec-6)
=========================== */
.reviews-section { background: var(--bg-3); }
.reviews-track-wrap { overflow: hidden; position: relative; margin: 0 -2.5%; }
.reviews-track {
  display: flex; gap: 20px;
  animation: scrollReview 60s linear infinite;
  width: max-content;
}
.reviews-track:hover { animation-play-state: paused; }
@keyframes scrollReview {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.review-card {
  flex-shrink: 0; width: 300px;
  background: var(--bg-0); border-radius: var(--r);
  padding: 22px 24px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.review-stars { color: #C9A84C; font-size: 14px; letter-spacing: 1px; margin-bottom: 10px; }
.review-text { font-size: 14px; color: var(--text-2); line-height: 1.7; margin-bottom: 14px; }
.review-meta { font-size: 12px; color: var(--text-3); display: flex; align-items: center; gap: 8px; }
.review-type {
  background: var(--accent-pale); color: var(--accent-dark);
  padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600;
}

/* ===========================
   OWNER SECTION (sec-7)
=========================== */
.owner-section { background: var(--bg-2); }
.owner-inner {
  max-width: 760px; margin: 0 auto;
  display: grid; grid-template-columns: auto 1fr; gap: 48px; align-items: center;
}
.owner-center {
  display: block; text-align: center;
}
.owner-portrait {
  width: 160px; height: 160px; border-radius: 50%;
  background: linear-gradient(145deg, #C9B99A, #A8926E);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; box-shadow: var(--shadow-md);
}
.owner-portrait svg { opacity: 0.8; }
.owner-quote {
  font-size: clamp(24px, 3.5vw, 36px); font-weight: 700;
  color: var(--text-1); line-height: 1.5; margin-bottom: 0;
  letter-spacing: -0.5px;
}
.owner-quote span {
  display: block;
}
.owner-quote span + span { margin-top: 6px; }
.owner-body { font-size: 16px; color: var(--text-2); line-height: 1.9; margin-top: 32px; }
.owner-sig {
  margin-top: 20px; font-size: 14px; color: var(--text-3);
  display: flex; align-items: center; gap: 8px;
}
.owner-sig strong { color: var(--accent-dark); }

/* ===========================
   FAQ SECTION (sec-8)
=========================== */
.faq-section { background: var(--bg-1); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-0); border-radius: var(--r);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
  overflow: hidden; transition: box-shadow .2s;
}
.faq-item.open { box-shadow: var(--shadow-md); }
.faq-q {
  width: 100%; padding: 20px 24px; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 15px; font-weight: 600; color: var(--text-1);
  cursor: pointer; transition: color .18s;
}
.faq-q:hover { color: var(--accent-dark); }
.faq-q .q-num {
  flex-shrink: 0; width: 28px; height: 28px;
  background: var(--accent-pale); border-radius: 50%;
  font-size: 12px; font-weight: 700; color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center;
}
.faq-q .q-text { flex: 1; }
.faq-q .q-arrow {
  flex-shrink: 0; width: 20px; height: 20px;
  border-radius: 50%; background: var(--bg-2);
  display: flex; align-items: center; justify-content: center;
  transition: transform .25s, background .2s;
}
.faq-item.open .q-arrow { transform: rotate(180deg); background: var(--accent-pale); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, padding .25s;
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner {
  padding: 0 24px 22px 24px;
  padding-left: 68px;
  font-size: 14px; color: var(--text-2); line-height: 1.8;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

/* ===========================
   CTA SECTION
=========================== */
.cta-section {
  background: linear-gradient(150deg, var(--bg-3), var(--bg-4));
  text-align: center;
}
.cta-inner { max-width: 620px; margin: 0 auto; }
.cta-inner h2 { margin-bottom: 16px; font-size: clamp(22px, 3.5vw, 30px); }
.cta-inner .lead { font-size: 15px; color: var(--text-2); line-height: 1.8; margin-bottom: 36px; }
.cta-btns { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-phone {
  font-size: 22px; font-weight: 700; color: var(--accent-dark);
  display: flex; align-items: center; gap: 8px; margin-top: 20px;
  justify-content: center;
}

/* ===========================
   FOOTER
=========================== */
footer {
  background: var(--text-1); color: rgba(255,255,255,.7);
  padding: 56px 0 80px;
}
.footer-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 5%;
  display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: start;
}
.footer-info .f-brand {
  font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 16px;
}
.footer-info dl { font-size: 14px; line-height: 1.9; }
.footer-info dt { display: inline; font-weight: 600; color: rgba(255,255,255,.55); margin-right: 6px; }
.footer-info dd { display: inline; }
.footer-info dd + dt { margin-left: 12px; }
.footer-info .f-row { display: flex; align-items: baseline; gap: 4px; margin-bottom: 2px; }
.footer-info a { color: rgba(255,255,255,.8); transition: color .15s; }
.footer-info a:hover { color: #fff; }
.footer-links h4 { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.5); letter-spacing: 0.8px; text-transform: uppercase; margin-bottom: 14px; }
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links li a { font-size: 13px; color: rgba(255,255,255,.6); transition: color .15s; }
.footer-links li a:hover { color: #fff; }
.footer-bottom {
  max-width: var(--max); margin: 32px auto 0; padding: 24px 5% 0;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 12px; color: rgba(255,255,255,.35);
}

/* ===========================
   FIXED PHONE BUTTONS
=========================== */
/* PC: right side */
.pc-call-btn {
  position: fixed; right: 28px; bottom: 80px;
  z-index: 900; display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.pc-call-link {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--accent-dark); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(122,101,72,.45);
  transition: transform .2s, background .2s;
}
.pc-call-link:hover { transform: scale(1.08); background: var(--text-1); }
.pc-call-label {
  font-size: 10px; font-weight: 700; color: var(--accent-dark);
  writing-mode: vertical-rl; text-orientation: mixed; letter-spacing: 1px;
}

/* Mobile: bottom bar */
.mob-call-bar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 900;
  background: var(--accent-dark);
}
.mob-call-bar a {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px; color: #fff; font-size: 16px; font-weight: 700;
}

/* ===========================
   SUB-PAGE HERO
=========================== */
.sub-hero {
  padding: 100px 0 60px; text-align: center;
  background: linear-gradient(150deg, var(--bg-2), var(--bg-3));
  border-bottom: 1px solid var(--border);
}
.sub-hero h1 { font-size: clamp(32px, 5vw, 52px); font-weight: 700; margin-bottom: 12px; }
.sub-hero .sub-desc { font-size: 16px; color: var(--text-2); max-width: 520px; margin: 0 auto; }

/* ===========================
   SUB-PAGE CONTENT BLOCKS
=========================== */
.content-block { background: var(--bg-1); }
.content-block-alt { background: var(--bg-2); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.two-col-text h2 { margin-bottom: 16px; }
.two-col-text p { font-size: 15px; color: var(--text-2); line-height: 1.85; }
.two-col-text ul { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.two-col-text li { font-size: 14px; color: var(--text-2); padding-left: 16px; position: relative; line-height: 1.6; }
.two-col-text li::before { content: ''; position: absolute; left: 0; top: 10px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.two-col-img {
  border-radius: var(--r); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.col-img-area {
  height: 320px; display: flex; align-items: center; justify-content: center;
}

.info-boxes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.info-box {
  background: var(--bg-0); border-radius: var(--r);
  padding: 24px; box-shadow: var(--shadow-sm); text-align: center;
  border-top: 3px solid var(--accent-light);
}
.info-box h4 { font-size: 15px; margin-bottom: 10px; color: var(--accent-dark); }
.info-box p { font-size: 13px; color: var(--text-3); line-height: 1.65; }

/* ===========================
   SITEMAP PAGE
=========================== */
.sitemap-section { background: var(--bg-1); }
.sitemap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 40px; }
.sitemap-group h3 { font-size: 16px; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--accent-light); }
.sitemap-group li a { font-size: 14px; color: var(--text-2); line-height: 2; transition: color .15s; }
.sitemap-group li a:hover { color: var(--accent-dark); }

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 900px) {
  .main-nav, .header-cta { display: none; }
  .hamburger { display: flex; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .heat-text { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .owner-inner { grid-template-columns: 1fr; text-align: center; gap: 28px; }
  .owner-portrait { margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .info-boxes { grid-template-columns: 1fr 1fr; }
  .sitemap-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .section { padding: 56px 0; }
  .hero { height: 85vh; }
  .hero-text h1 { letter-spacing: -1.5px; }
  .hero-btns { flex-direction: column; align-items: flex-start; gap: 10px; }
  .cases-grid { grid-template-columns: 1fr; }
  .ba-grid { grid-template-columns: 1fr; }
  .pc-call-btn { display: none; }
  .mob-call-bar { display: block; }
  .cta-btns { flex-direction: column; }
  footer { padding-bottom: 100px; }
  .info-boxes { grid-template-columns: 1fr; }
  .sitemap-grid { grid-template-columns: 1fr; }
  .faq-a-inner { padding-left: 24px; }
}