/* =====================================================
   CND TECH — 공통 스타일시트
   씨앤디테크 홈페이지 v2.0 (멀티페이지)
   ===================================================== */

/* Google Fonts & Pretendard는 각 HTML에서 로드 */

:root {
  --orange:        #F29400;
  --orange-deep:   #D97A00;
  --orange-soft:   #FFB13D;
  --orange-tint:   #FFF6E6;
  --orange-line:   #FFE0A8;
  --charcoal:      #1F1D1B;
  --charcoal-2:    #2E2B28;
  --gray-900:      #444140;
  --gray-700:      #6B6660;
  --gray-500:      #94908A;
  --gray-300:      #C9C4BC;
  --gray-200:      #E5E1D9;
  --gray-100:      #EFEBE3;
  --bg:            #FAFAF7;
  --bg-warm:       #F5F2EC;
  --bg-soft:       #FBF9F4;
  --white:         #FFFFFF;

  --text:       var(--charcoal);
  --text-dim:   var(--gray-700);
  --text-mute:  var(--gray-500);
  --line:       var(--gray-200);
  --line-strong:var(--gray-300);
  --accent:     var(--orange);
  --accent-deep:var(--orange-deep);

  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(31,29,27,0.04), 0 2px 6px rgba(31,29,27,0.04);
  --shadow-md: 0 4px 12px rgba(31,29,27,0.06), 0 12px 28px rgba(31,29,27,0.06);
  --shadow-lg: 0 8px 24px rgba(31,29,27,0.08), 0 24px 60px rgba(31,29,27,0.08);
  --shadow-orange: 0 8px 24px rgba(242,148,0,0.18), 0 16px 40px rgba(242,148,0,0.14);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.mono { font-family: 'JetBrains Mono', monospace; letter-spacing: 0.02em; }
.display { font-family: 'Space Grotesk', 'Pretendard', sans-serif; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── Background decorations ── */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(31,29,27,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,29,27,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 70%);
}
.bg-orange-glow {
  position: fixed; top: -200px; right: -200px; width: 600px; height: 600px;
  pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(242,148,0,0.08), transparent 60%);
  border-radius: 50%;
}

/* ── Layout ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 2; }
section { position: relative; padding: 120px 0; z-index: 2; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 8px;
  font-size: 13px; font-weight: 600;
  transition: all 0.2s; white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: var(--white); border: 1px solid var(--accent);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); transform: translateY(-1px); box-shadow: var(--shadow-orange); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--text); background: var(--white); }
.btn-ghost:hover { border-color: var(--charcoal); color: var(--charcoal); }
.btn-dark { background: var(--charcoal); color: var(--white); border: 1px solid var(--charcoal); }
.btn-dark:hover { background: var(--charcoal-2); transform: translateY(-1px); box-shadow: var(--shadow-md); }

/* ── Header ── */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(250,250,247,0.88);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: 1280px; margin: 0 auto; padding: 10px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 120px; width: auto; max-width: 560px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 17px; color: var(--text-dim); font-weight: 500;
  transition: color 0.2s; position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -20px;
  height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.is-active::after { transform: scaleX(1); }
.nav-links a.page-active { color: var(--charcoal); font-weight: 600; }
.nav-links a.page-active::after { transform: scaleX(1); }

.nav-cta { display: flex; gap: 12px; align-items: center; }
.lang-toggle {
  display: flex; border: 1px solid var(--line-strong);
  border-radius: 999px; padding: 3px; gap: 2px; background: var(--white);
}
.lang-toggle button {
  padding: 5px 12px; font-size: 11px; font-weight: 600;
  border-radius: 999px; color: var(--text-mute);
  transition: all 0.2s; font-family: 'JetBrains Mono', monospace;
}
.lang-toggle button.active { background: var(--charcoal); color: var(--white); }

/* Mobile menu toggle */
.menu-toggle {
  display: none; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: 8px;
  background: var(--white);
}
.menu-toggle svg { stroke: var(--charcoal); }

/* ── Page Hero Banner (내부 페이지용) ── */
.page-hero {
  padding-top: 160px; padding-bottom: 80px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border: 1px solid var(--orange-line); border-radius: 999px;
  font-size: 11px; color: var(--orange-deep); font-family: 'JetBrains Mono', monospace;
  margin-bottom: 20px; background: var(--orange-tint); font-weight: 600;
}
.page-hero-tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(242,148,0,0.18); }
.page-hero h1 {
  font-family: 'Space Grotesk', 'Pretendard', sans-serif;
  font-size: clamp(32px, 5vw, 60px); font-weight: 700;
  line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 16px; color: var(--charcoal);
}
.page-hero h1 .accent { color: var(--accent); }
.page-hero p.sub {
  font-size: 17px; color: var(--text-dim); max-width: 640px; line-height: 1.7;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--text-mute); margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-mute); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--line-strong); }

/* ── Image placeholder ── */
.img-placeholder {
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--bg-warm) 100%);
  border: 2px dashed var(--gray-300); border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--text-mute); position: relative; overflow: hidden;
}
.img-placeholder svg { opacity: 0.4; }
.img-placeholder .ph-label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em;
  opacity: 0.6;
}
/* 실제 사진 넣을 때는 img-placeholder에 background-image 적용 */
.img-photo {
  background-size: cover; background-position: center;
  border: none;
}

/* ── Section headings ── */
.sec-head { margin-bottom: 56px; }
.sec-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--accent-deep); text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 16px; font-weight: 600;
}
.sec-tag .bar { width: 32px; height: 2px; background: var(--accent); border-radius: 2px; }
.sec-head h2 {
  font-family: 'Space Grotesk', 'Pretendard', sans-serif;
  font-size: clamp(28px, 4vw, 44px); font-weight: 700;
  letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 16px; color: var(--charcoal);
}
.sec-head p { color: var(--text-dim); font-size: 16px; max-width: 720px; line-height: 1.7; }

/* section backgrounds */
.sec-alt { background: var(--bg-warm); }
.sec-dark { background: var(--charcoal); color: #f3eee5; }
.sec-dark .sec-head h2 { color: #fff; }
.sec-dark .sec-head p { color: #bdb6aa; }
.sec-dark .sec-tag { color: var(--orange-soft); }
.sec-dark .sec-tag .bar { background: var(--orange-soft); }

/* ── About section ── */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: start; }
.about-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-item {
  padding: 28px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--white);
  transition: all 0.3s; box-shadow: var(--shadow-sm);
}
.about-item:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.about-item h4 {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; color: var(--charcoal); margin-bottom: 10px; font-weight: 700;
}
.about-item h4 .num {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--orange-tint); color: var(--accent-deep);
  display: grid; place-items: center; font-size: 11px;
  font-family: 'JetBrains Mono', monospace; font-weight: 700;
  border: 1px solid var(--orange-line);
}
.about-item p { color: var(--text-dim); font-size: 14px; line-height: 1.7; }

/* ── Areas / Business ── */
.areas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.area-card {
  position: relative; padding: 36px 32px;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); transition: all 0.3s;
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.area-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.area-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.area-card:hover::before { transform: scaleX(1); }
.area-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--orange-tint); border: 1px solid var(--orange-line);
  display: grid; place-items: center; color: var(--accent-deep); margin-bottom: 24px;
}
.area-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 6px; color: var(--charcoal); }
.area-card .en-sub {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--text-mute); margin-bottom: 20px; text-transform: uppercase; font-weight: 600;
}
.area-card ul { list-style: none; }
.area-card ul li {
  padding: 9px 0; font-size: 14px; color: var(--text-dim);
  border-bottom: 1px dashed var(--line); display: flex; align-items: center; gap: 10px;
}
.area-card ul li:last-child { border-bottom: none; }
.area-card ul li::before { content: ''; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; flex-shrink: 0; }

/* ── Products ── */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.prod {
  padding: 28px; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius);
  position: relative; overflow: hidden; transition: all 0.3s; box-shadow: var(--shadow-sm);
}
.prod:hover { border-color: var(--orange-line); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.prod-header { display: flex; align-items: start; justify-content: space-between; margin-bottom: 18px; }
.prod-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--text-mute); letter-spacing: 0.1em; font-weight: 600; }
.prod-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--orange-tint); display: grid; place-items: center;
  color: var(--accent-deep); border: 1px solid var(--orange-line);
}
.prod h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; line-height: 1.3; color: var(--charcoal); }
.prod p.desc { font-size: 13px; color: var(--text-dim); line-height: 1.6; margin-bottom: 14px; }
.prod .brands { display: flex; flex-wrap: wrap; gap: 6px; }
.prod .brands span {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  padding: 4px 9px; border-radius: 5px;
  background: var(--orange-tint); color: var(--accent-deep);
  border: 1px solid var(--orange-line); font-weight: 600;
}

/* ── Product image card (이미지+설명 조합) ── */
.prod-visual {
  grid-column: span 1;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all 0.3s;
}
.prod-visual:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.prod-visual .prod-img {
  width: 100%; height: 200px;
}
.prod-visual .prod-body { padding: 24px; }

/* ── Achievements ── */
.clients-marquee {
  margin-top: 48px; overflow: hidden; position: relative;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.clients-track {
  display: flex; gap: 16px; animation: scroll 60s linear infinite; width: max-content;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.client-pill {
  padding: 14px 24px; border: 1px solid var(--line-strong);
  border-radius: 999px; white-space: nowrap;
  color: var(--text); font-size: 14px; font-weight: 600;
  background: var(--white); transition: all 0.3s;
}
.client-pill:hover { border-color: var(--accent); color: var(--accent-deep); background: var(--orange-tint); }

.achievement-tabs { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ach-block {
  padding: 36px; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.ach-block h3 {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-size: 18px; font-weight: 700; margin-bottom: 24px; color: var(--charcoal);
}
.ach-block h3 .badge {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  padding: 4px 10px; border-radius: 6px;
  background: var(--charcoal); color: var(--orange-soft); font-weight: 700;
}
.ach-block ul { list-style: none; }
.ach-block ul li {
  padding: 13px 0; font-size: 13px; color: var(--text-dim);
  line-height: 1.6; border-bottom: 1px solid var(--line);
  display: flex; gap: 12px; align-items: start;
}
.ach-block ul li:last-child { border-bottom: none; }
.ach-block ul li::before { content: '›'; color: var(--accent); flex-shrink: 0; font-weight: 700; font-family: 'JetBrains Mono', monospace; }

.highlight-strip {
  margin-top: 48px; padding: 44px;
  background: linear-gradient(135deg, var(--orange-tint) 0%, var(--bg-warm) 100%);
  border: 1px solid var(--orange-line); border-radius: var(--radius);
  display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: center;
  position: relative; overflow: hidden;
}
.highlight-strip::after {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(242,148,0,0.15), transparent 70%);
}
.highlight-strip .quote-mark {
  font-family: 'Space Grotesk', sans-serif; font-size: 90px;
  line-height: 0.7; color: var(--accent); opacity: 0.6; font-weight: 700;
}
.highlight-strip h4 { font-size: 18px; margin-bottom: 8px; font-weight: 700; color: var(--charcoal); }
.highlight-strip p { color: var(--text-dim); font-size: 14px; line-height: 1.7; }

/* ── Blog ── */
.blog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.blog-card {
  padding: 36px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--white);
  transition: all 0.3s; position: relative; overflow: hidden; box-shadow: var(--shadow-sm);
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-md); }
.blog-card .platform {
  display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--white); background: var(--charcoal);
  text-transform: uppercase; letter-spacing: 0.1em; font-weight: 700;
  padding: 4px 10px; border-radius: 6px; margin-bottom: 16px;
}
.blog-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; color: var(--charcoal); font-family: 'Space Grotesk', 'Pretendard', sans-serif; }
.blog-card p { color: var(--text-dim); font-size: 14px; margin-bottom: 24px; line-height: 1.7; }
.blog-card .blog-link { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--accent-deep); font-weight: 700; }
.blog-card .blog-link svg { transition: transform 0.2s; }
.blog-card:hover .blog-link svg { transform: translateX(4px); }

/* ── Contact ── */
.contact-wrap {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; padding: 60px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  position: relative; overflow: hidden; box-shadow: var(--shadow-md);
}
.contact-wrap::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(242,148,0,0.12), transparent 70%);
}
.contact-info h3 {
  font-family: 'Space Grotesk', 'Pretendard', sans-serif;
  font-size: 32px; font-weight: 700; margin-bottom: 16px;
  letter-spacing: -0.02em; color: var(--charcoal); line-height: 1.25;
}
.contact-info p { color: var(--text-dim); margin-bottom: 32px; line-height: 1.7; }
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.contact-list li {
  display: flex; gap: 16px; align-items: start;
  padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
.contact-list li:last-child { border-bottom: none; padding-bottom: 0; }
.contact-list .ic {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 10px; background: var(--orange-tint);
  border: 1px solid var(--orange-line); color: var(--accent-deep);
  display: grid; place-items: center;
}
.contact-list .lbl {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 4px; font-weight: 700;
}
.contact-list .val { font-size: 15px; color: var(--charcoal); font-weight: 600; }
.contact-card {
  padding: 36px; background: var(--bg-warm);
  border: 1px solid var(--line); border-radius: var(--radius); position: relative;
}
.contact-card h4 { font-size: 19px; margin-bottom: 8px; color: var(--charcoal); font-weight: 700; }
.contact-card p { color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-family: 'JetBrains Mono', monospace;
  font-size: 10px; color: var(--text-mute); text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 6px; font-weight: 700;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; font-size: 14px;
  background: var(--white); border: 1px solid var(--line-strong);
  border-radius: 8px; color: var(--text); font-family: inherit; transition: all 0.2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(242,148,0,0.12);
}
.form-group textarea { resize: vertical; min-height: 80px; }

/* ── Map embed ── */
.map-wrap {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); height: 280px;
  background: var(--gray-100);
}
.map-wrap iframe { width: 100%; height: 100%; border: none; }
.map-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 12px; font-size: 13px; color: var(--accent-deep); font-weight: 600;
}
.map-link:hover { text-decoration: underline; }

/* ── Footer ── */
footer { background: var(--charcoal); color: #d6d2cb; padding: 64px 0 32px; }
.footer-row {
  display: flex; justify-content: center; align-items: start;
  flex-wrap: wrap; gap: 32px; padding-bottom: 40px; margin-bottom: 24px;
  border-bottom: 1px solid #3a3633;
}
.footer-brand { display: none; }
.footer-cols { display: flex; gap: 80px; flex-wrap: wrap; justify-content: center; }
.footer-col { text-align: center; }
.footer-col h5 {
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--orange-soft); font-weight: 700; margin-bottom: 18px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a { font-size: 15px; color: #bdb6aa; transition: color 0.2s; }
.footer-col ul li a:hover { color: #fff; }
.footer-meta {
  font-size: 12px; color: #8b8680; line-height: 1.7;
  font-family: 'JetBrains Mono', monospace;
  display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; text-align: center;
}

/* ── Animations ── */
.fade-in { animation: fadeInUp 0.6s ease both; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }


/* ── Stats bar ── */
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 32px 0;
}
.hero-stats .stat { padding: 0 24px; border-right: 1px solid var(--line); }
.hero-stats .stat:last-child { border-right: none; }
.hero-stats .stat .num {
  font-family: 'Space Grotesk', sans-serif; font-size: 40px; font-weight: 700;
  color: var(--charcoal); display: flex; align-items: baseline; gap: 4px;
}
.hero-stats .stat .num .plus { color: var(--accent); font-size: 24px; }
.hero-stats .stat .lbl {
  font-size: 11px; color: var(--text-mute); margin-top: 4px;
  font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: 0.06em;
}

/* ── Stat cards (about 페이지) ── */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 56px; }
.stat-card {
  text-align: center; padding: 32px 20px;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.stat-card .big {
  font-family: 'Space Grotesk', sans-serif; font-size: 48px; font-weight: 700;
  color: var(--charcoal); line-height: 1; margin-bottom: 8px;
}
.stat-card .big .plus { color: var(--accent); font-size: 28px; }
.stat-card .label { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.08em; }

/* ── Image grid ── */
.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
.photo-grid .photo-item {
  border-radius: var(--radius); overflow: hidden; position: relative;
  aspect-ratio: 4/3;
}
.photo-grid .photo-item img { width: 100%; height: 100%; object-fit: cover; }
.photo-grid .photo-item .ph { width: 100%; height: 100%; }
.photo-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(31,29,27,0.7));
  color: #fff; font-size: 12px; font-weight: 600;
}

/* ── Partner logo strip ── */
.partner-logos {
  display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px;
}
.partner-logo {
  padding: 14px 24px; background: var(--white);
  border: 1px solid var(--line); border-radius: 10px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  font-weight: 700; color: var(--text-dim);
  transition: all 0.2s;
}
.partner-logo:hover { border-color: var(--accent); color: var(--accent-deep); background: var(--orange-tint); }

/* ── CTA section ── */
.cta-band {
  padding: 80px 0;
  background: var(--charcoal); color: #f3eee5; text-align: center;
}
.cta-band h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 44px); font-weight: 700;
  margin-bottom: 16px; color: #fff; letter-spacing: -0.02em;
}
.cta-band p { color: #bdb6aa; font-size: 16px; margin-bottom: 36px; }
.cta-band .btn-primary { font-size: 15px; padding: 14px 28px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 920px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .areas, .product-grid, .blog-grid, .contact-wrap, .achievement-tabs { grid-template-columns: 1fr; gap: 20px; }
  .about-list { grid-template-columns: 1fr; }
  .contact-wrap { padding: 32px 24px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .stat { padding: 16px 12px; border-bottom: 1px solid var(--line); border-right: none; }
  .hero-stats .stat:nth-child(odd) { border-right: 1px solid var(--line); }
  section { padding: 80px 0; }
  .container { padding: 0 20px; }
  .highlight-strip { grid-template-columns: 1fr; padding: 28px; }
  .highlight-strip .quote-mark { font-size: 48px; }
  .footer-row { flex-direction: column; }
  .footer-cols { gap: 32px; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .photo-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .stat-cards, .photo-grid { grid-template-columns: 1fr; }
  .partner-logos { gap: 10px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
}

/* ── Mobile nav drawer ── */
.mobile-nav {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(31,29,27,0.6); z-index: 200; backdrop-filter: blur(4px);
}
.mobile-nav.open { display: block; }
.mobile-nav-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(320px, 85vw);
  background: var(--white); padding: 32px 24px;
  display: flex; flex-direction: column; gap: 8px;
  overflow-y: auto;
}
.mobile-nav-close {
  align-self: flex-end; width: 36px; height: 36px;
  display: grid; place-items: center; margin-bottom: 16px;
  border: 1px solid var(--line); border-radius: 8px;
}
.mobile-nav-panel a {
  display: block; padding: 14px 16px; border-radius: 8px;
  font-size: 15px; font-weight: 600; color: var(--text-dim);
  transition: all 0.2s;
}
.mobile-nav-panel a:hover,
.mobile-nav-panel a.page-active { background: var(--orange-tint); color: var(--accent-deep); }
.mobile-nav-panel .nav-divider { height: 1px; background: var(--line); margin: 8px 0; }

/* ===== FAQ 섹션 ===== */
.sec-faq { padding: 100px 0; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--white); overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-item[open] {
  border-color: var(--orange-line);
  box-shadow: 0 4px 20px rgba(242,148,0,0.08);
}
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 28px; cursor: pointer; list-style: none;
  font-size: 16px; font-weight: 600; color: var(--charcoal);
  transition: color 0.2s;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-item[open] .faq-q { color: var(--accent-deep); }
.faq-chevron { flex-shrink: 0; color: var(--text-mute); transition: transform 0.25s ease; }
.faq-item[open] .faq-chevron { transform: rotate(180deg); color: var(--accent); }
.faq-a { padding: 0 28px 22px; }
.faq-a p { font-size: 15px; color: var(--text-dim); line-height: 1.75; border-top: 1px solid var(--line); padding-top: 16px; margin: 0; }

@media (max-width: 768px) {
  .sec-faq { padding: 64px 0; }
  .faq-q { padding: 18px 20px; font-size: 15px; }
  .faq-a { padding: 0 20px 18px; }
}