/* =====================================================
   BASE.CSS
===================================================== */

:root {
  --primary: #2068b2;
  --primary-hover: #2f7fd0;

  --container: 1320px;
  --header-h: 86px;

  --bg: #050b16;
  --bg2: #0b1426;
  --bg3: #081221;
  --bg4: #0c1830;
  --bg-light: #f6f8fb;

  --text-main: #111111;
  --text-dark: #18253c;
  --muted: rgba(255, 255, 255, 0.74);
  --muted-dark: rgba(24, 37, 60, 0.78);

  --line: rgba(255, 255, 255, 0.12);
  --line-dark: rgba(19, 43, 79, 0.06);

  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 14px;

  --shadow: 0 22px 70px rgba(0, 0, 0, 0.28);
  --card-shadow: 0 16px 36px rgba(16, 32, 62, 0.08);

  --transition: 0.35s cubic-bezier(.77, 0, .18, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Pretendard", "Noto Sans KR", sans-serif;
  background: var(--bg);
  color: #fff;
  line-height: 1.75;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

.container {
  width: min(var(--container), calc(100% - 56px));
  margin: 0 auto;
}

/* 공통 섹션 */
.section {
  padding: 120px 0;
}

.section-light {
  background: var(--bg-light);
  color: var(--text-dark);
}

.section-label {
  margin-bottom: 18px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading {
  margin-bottom: 56px;
}

.section-heading h2,
.section-copy h2,
.contact-panel h2,
.contact-info-panel h2,
.contact-brand-box h2 {
  margin-bottom: 18px;
  font-size: 50px;
  line-height: 1.12;
  letter-spacing: -0.045em;
  font-weight: 800;
}

.section-copy p,
.contact-desc {
  margin-top: 20px;
  font-size: 18px;
  line-height: 1.82;
  color: var(--muted);
}

.section-subtext {
  margin-top: 18px;
  font-size: 18px;
  line-height: 1.82;
}

.dark-text {
  color: var(--muted-dark);
}

.center-heading {
  text-align: center;
}

.split-layout {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
}

.section-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.text-link {
  display: inline-block;
  margin-top: 28px;
  font-weight: 700;
  color: var(--primary);
}

.section-more {
  margin-top: 40px;
  text-align: center;
}

/* Footer */
.site-footer {
  background: #040914;
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, 0.6);
  flex-wrap: wrap;
}

/* Animation */
.fade-up {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .8s ease, transform .8s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}