/* hetero8 homepage — 다크 단일 테마 (의도된 커밋) */

:root {
  --bg: #0B0E14;
  --surface: #121724;
  --line: #1E2534;
  --text: #E8EAF0;
  --text-dim: #9AA3B5;
  --slate: #5B6578;
  --accent: #FF5C38;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", "Pretendard Variable", Pretendard,
    -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  /* 은은한 상단 글로우 — 로고 액센트의 잔광 */
  background-image: radial-gradient(60rem 30rem at 70% -10%, rgba(255, 92, 56, 0.08), transparent 60%);
  background-repeat: no-repeat;
}

main, .site-header, .site-footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── header ── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.brand-mark { display: block; }

.brand-word {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.accent { color: var(--accent); }

.header-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-contact {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}
.header-contact:hover { color: var(--text); }

/* ── 언어 전환 (기본 = EN) ── */
html:not(.ko) .lang-ko { display: none; }
html.ko .lang-en { display: none; }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
}
.lang-sep { color: var(--line); }
.lang-btn {
  background: none;
  border: none;
  padding: 0.2rem 0.1rem;
  font: inherit;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  letter-spacing: 0.05em;
}
.lang-btn:hover { color: var(--text); }
.lang-btn[aria-pressed="true"] { color: var(--accent); }

/* ── hero ── */
.hero { padding: 5rem 0 4rem; }

.kicker {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.9rem, 5.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.hero-sub {
  margin: 1.5rem 0 0;
  max-width: 34rem;
  color: var(--text-dim);
  font-size: 1.05rem;
}

/* ── sections ── */
.section {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.section p {
  margin: 0 0 1rem;
  max-width: 36rem;
}

.contact-button {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.8rem 1.4rem;
  border: 1px solid var(--accent);
  border-radius: 0.6rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}
.contact-button:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ── footer ── */
.site-footer {
  padding-top: 3rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}

@media (max-width: 480px) {
  .header-contact { display: none; }
  .hero { padding: 3.5rem 0 3rem; }
}