:root {
  --bg: #0f172a;
  --bg-soft: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #22c55e;
  --accent-soft: #86efac;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

.container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: var(--white);
  padding: 96px 0 80px;
}

.hero__badge,
.section__eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__top {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 0;
}

.brand-mark__logo {
  width: 64px;
  height: 64px;
  display: block;
  filter: drop-shadow(0 12px 24px rgba(34, 197, 94, 0.25));
}

.brand-mark__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-mark__text strong {
  font-size: 26px;
  font-weight: 800;
  color: var(--white);
}

.brand-mark__text span {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.hero__badge {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  margin-bottom: 0;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.08;
  margin: 0 0 20px;
  max-width: 760px;
}

.hero__text {
  max-width: 760px;
  font-size: 20px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 32px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
}

.btn--primary {
  background: var(--white);
  color: var(--primary-dark);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.section {
  padding: 88px 0;
}

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

.section__eyebrow {
  color: var(--accent);
  margin-bottom: 16px;
}

.section h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  margin: 0;
}

.grid {
  display: grid;
  gap: 36px;
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.card h3 {
  position: relative;
  margin: 0 0 8px;
  padding-left: 14px;
  font-size: 20px;
}

.card h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 6px;
  height: 22px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--primary) 100%);
}

.card p,
.checklist p,
.timeline__item p,
.footer p,
.section p {
  margin: 0;
  color: var(--muted);
}

.checklist,
.vision-list {
  display: grid;
  gap: 18px;
}

.checklist div,
.vision-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}

.checklist strong,
.vision-item strong {
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 800;
}

.vision-item strong {
  color: var(--primary-dark);
}

.vision-item p {
  margin: 0;
  color: var(--muted);
}

.vision-item {
  position: relative;
  overflow: hidden;
}

.vision-item::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--primary) 100%);
}

.footer {
  padding: 40px 0 56px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.footer__brand strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}

.footer__meta {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer__meta span {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

@media (max-width: 768px) {
  .container {
    width: min(100%, calc(100% - 28px));
  }

  .grid--2,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .hero__top {
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
  }

  .brand-mark {
    gap: 12px;
  }

  .brand-mark__logo {
    width: 54px;
    height: 54px;
  }

  .brand-mark__text strong {
    font-size: 22px;
  }

  .brand-mark__text span {
    font-size: 12px;
    letter-spacing: 0.12em;
  }

  .hero__badge {
    font-size: 11px;
    padding: 7px 12px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.15;
    margin-bottom: 16px;
  }

  .hero__text {
    font-size: 17px;
    line-height: 1.65;
    margin-bottom: 24px;
  }

  .hero__actions {
    width: 100%;
  }

  .btn {
    width: 100%;
    min-height: 52px;
  }

  .section {
    padding: 56px 0;
  }

  .section h2 {
    font-size: 30px;
  }

  .card,
  .checklist div,
  .vision-item {
    padding: 20px;
    border-radius: 18px;
  }

  .footer {
    padding: 32px 0 44px;
  }

  .footer__inner,
  .footer__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
}