:root {
  --bg: #FBFAF7;
  --bg-alt: #F3F0E9;
  --text: #17181c;
  --text-muted: #5b5f6b;
  --border: #E7E3D8;
  --accent: #276AC5;
  --navy: #1D1566;
  --accent-contrast: #ffffff;
  --radius: 12px;
  --container-width: 960px;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", Roboto, Helvetica, Arial,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container.narrow {
  max-width: 720px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(251, 250, 247, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--navy);
  text-decoration: none;
}

.logo {
  height: 22px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  gap: 28px;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.site-nav a:hover {
  color: var(--text);
}

/* Hero */
.hero {
  padding: 96px 0 40px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(39, 106, 197, 0.06), transparent 70%);
}

.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--navy);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

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

/* Sections */
.section {
  padding: 72px 0;
}

.section.alt {
  background: var(--bg-alt);
}

.section h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--navy);
}

.section p {
  color: var(--text-muted);
  font-size: 16px;
}

/* Grid / cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 8px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
}

.card p {
  margin: 0;
  font-size: 15px;
}

/* Progress timeline */
.timeline {
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--border);
}

.timeline li {
  position: relative;
  padding-bottom: 28px;
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline .dot {
  position: absolute;
  left: -25px;
  top: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
}

.timeline li.done .dot {
  background: var(--accent);
  border-color: var(--accent);
}

.timeline li.active .dot {
  background: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(39, 106, 197, 0.15);
}

.timeline li strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 2px;
}

.timeline li p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}

.timeline li.upcoming strong,
.timeline li.upcoming p {
  opacity: 0.7;
}

.status {
  display: inline-block;
  margin-left: 8px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: middle;
}

.timeline li.done .status {
  background: rgba(39, 106, 197, 0.12);
  color: var(--accent);
}

.timeline li.active .status {
  background: rgba(29, 21, 102, 0.08);
  color: var(--navy);
}

.timeline li.upcoming .status {
  background: var(--bg-alt);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* Contact */
.email-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.email-link:hover {
  text-decoration: underline;
}

.note {
  font-size: 13px;
  color: #6b6f7b;
  margin-top: 12px;
}

.callout {
  background: #fff7e6;
  border: 1px solid #ffe1a8;
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 14px;
  color: #7a5a00;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-inner a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--text);
}

/* Responsive */
@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    height: auto;
    padding: 8px 0;
    gap: 8px;
  }
  .site-nav {
    gap: 16px;
  }
  .hero {
    padding: 80px 0 56px;
  }
}
