/* cheolgeo-soeum-minwon 전용 스타일시트 — 다른 페이지와 공유하지 않음 */
/* 타입 스케일 1.333 / 섹션 패딩 96px / 모서리 반경 4px */

:root {
  --color-primary: #3F3F46;
  --color-bg: #FFFFFF;
  --color-accent: #EF4444;
  --color-accent-dark: #B91C1C;
  --color-border: #D4D4D8;
  --color-muted: #71717A;
  --color-surface: #F4F4F5;

  --radius: 4px;
  --section-pad: 96px;

  --fs-base: 1rem;
  --fs-sm: 0.875rem;
  --fs-md: 1.333rem;
  --fs-lg: 1.777rem;
  --fs-xl: 2.369rem;
  --fs-xxl: 3.157rem;

  --font-heading: 'Noto Sans KR', 'Pretendard', sans-serif;
  --font-body: 'Noto Sans KR', 'Pretendard', sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-display: swap;
  color: var(--color-primary);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: var(--fs-base);
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.35;
  margin: 0 0 16px;
}

h2 { font-size: var(--fs-lg); }

p { margin: 0 0 16px; }

a { color: var(--color-accent-dark); }

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

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: 68px;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  height: 100%;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--fs-md);
  color: var(--color-primary);
}

.btn-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: var(--fs-sm);
  transition: background-color 0.15s ease;
}

.btn-call:hover { background: var(--color-accent-dark); }

@media (prefers-reduced-motion: reduce) {
  .btn-call { transition: none; }
}

.btn-call-lg {
  padding: 16px 32px;
  font-size: var(--fs-md);
  border-radius: var(--radius);
}

/* ---------- hero ---------- */
.hero {
  padding: var(--section-pad) 20px 72px;
  text-align: center;
  background: linear-gradient(180deg, #FAFAFA 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  max-width: 760px;
  margin: 0 auto;
}

.hero-eyebrow {
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: var(--fs-xxl);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: var(--fs-md);
  color: var(--color-muted);
  margin-bottom: 32px;
}

.hero-stats {
  margin: 40px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.stat {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 8px;
  background: var(--color-bg);
}

.stat dt {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: 6px;
}

.stat dd {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: 900;
  color: var(--color-accent-dark);
}

.stat dd span {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-primary);
}

/* ---------- sections ---------- */
.section { padding: var(--section-pad) 20px; }

.section-inner { max-width: 760px; margin: 0 auto; }

.section-problem { background: var(--color-surface); }

.section-standard h2:not(:first-child) { margin-top: 48px; }

/* ---------- gauge svg ---------- */
.section-gauge { border-top: 1px solid var(--color-border); }

.gauge-note {
  color: var(--color-muted);
  font-size: var(--fs-sm);
}

.gauge-svg {
  width: 100%;
  height: auto;
  margin-top: 16px;
}

/* ---------- table ---------- */
.section-table .section-inner { max-width: 900px; }

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 560px;
}

caption {
  text-align: left;
  padding: 12px 16px;
  font-weight: 700;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

th, td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: var(--fs-sm);
  white-space: nowrap;
}

thead th {
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
}

tbody th[scope="row"] {
  font-weight: 500;
  background: var(--color-surface);
}

tbody tr:last-child td,
tbody tr:last-child th { border-bottom: none; }

.table-caption-note {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-top: 12px;
}

/* ---------- photos ---------- */
.section-photos .section-inner { max-width: 1040px; }

.photo-row {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.photo-card {
  margin: 0;
  width: 100%;
  max-width: 420px;
}

.photo-card picture {
  display: block;
  position: relative;
  width: 100%;
  padding-bottom: 133.333%;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.photo-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-card figcaption {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-top: 8px;
  text-align: center;
}

/* ---------- faq ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }

details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--color-bg);
}

summary {
  font-weight: 700;
  cursor: pointer;
  font-size: var(--fs-md);
}

details p {
  margin: 12px 0 0;
  color: var(--color-primary);
}

/* ---------- cta ---------- */
.section-cta {
  background: var(--color-primary);
  color: #ffffff;
  text-align: center;
}

.section-cta h2 { color: #ffffff; }

.section-cta p {
  color: #D4D4D8;
  margin-bottom: 28px;
}

/* ---------- footer ---------- */
.site-footer {
  padding: 48px 20px;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}

.footer-links a {
  font-size: var(--fs-sm);
  text-decoration: none;
  color: var(--color-primary);
}

.footer-links a:hover { color: var(--color-accent-dark); }

.footer-biz {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin: 0;
}

/* ---------- breakpoints ---------- */
@media (min-width: 640px) {
  .photo-row { flex-direction: row; justify-content: center; }
  .photo-card { width: 30%; }
}

@media (min-width: 1024px) {
  :root { --section-pad: 120px; }
  .hero { padding-top: 120px; }
}

@media (min-width: 1280px) {
  .hero-inner, .section-inner { max-width: 820px; }
  .section-table .section-inner { max-width: 960px; }
}

@media (prefers-color-scheme: dark) {
  body { background: #18181B; color: #F4F4F5; }
  .site-header { background: #18181B; border-color: #3F3F46; }
  .hero { background: linear-gradient(180deg, #1F1F23 0%, #18181B 100%); border-color: #3F3F46; }
  .section-problem { background: #202024; }
  h1, h2, h3, .logo { color: #FAFAFA; }
  .stat { background: #202024; border-color: #3F3F46; }
  .stat dd span { color: #E4E4E7; }
  details { background: #202024; border-color: #3F3F46; }
  details p { color: #E4E4E7; }
  .table-scroll { border-color: #3F3F46; }
  th, td { border-color: #3F3F46; }
  tbody th[scope="row"] { background: #26262B; }
  caption { background: #26262B; border-color: #3F3F46; }
  .footer-links a { color: #E4E4E7; }
  .site-footer { border-color: #3F3F46; }
  .gauge-note, .table-caption-note, .footer-biz, .hero-lead { color: #A1A1AA; }
}