:root {
  --bg: #f4efe6;
  --bg-strong: #e5ddcf;
  --ink: #171717;
  --muted: #5f5a52;
  --card: rgba(255, 250, 242, 0.82);
  --card-strong: #fffaf2;
  --line: rgba(23, 23, 23, 0.12);
  --accent: #e04e39;
  --accent-strong: #111111;
  --accent-soft: #f4bc42;
  --shadow: 0 24px 64px rgba(32, 24, 14, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(224, 78, 57, 0.18), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(244, 188, 66, 0.28), transparent 24%),
    linear-gradient(180deg, #f7f1e8 0%, #efe7da 55%, #f8f2ea 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-shell {
  position: relative;
  overflow-x: hidden;
}

.page-glow {
  position: fixed;
  inset: auto -10vw -12rem auto;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  background: rgba(224, 78, 57, 0.13);
  filter: blur(48px);
  pointer-events: none;
}

.landing,
.content-page {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.hero-card,
.info-card,
.image-frame,
.download-panel,
.notice-strip,
.hero-panel .stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-card {
  margin-top: 4rem;
  padding: 3rem;
  border-radius: 2rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
strong {
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 0.95;
  max-width: 12ch;
}

.hero-copy,
.hero-text p,
.section-copy p,
.language-card span,
.link-card span {
  color: var(--muted);
  line-height: 1.65;
}

.language-grid,
.link-grid,
.grid-section {
  display: grid;
  gap: 1rem;
}

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

.language-card,
.link-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(23, 23, 23, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.language-card:hover,
.link-card:hover,
.button:hover {
  transform: translateY(-2px);
}

.language-card:hover,
.link-card:hover {
  border-color: rgba(224, 78, 57, 0.35);
  background: rgba(255, 255, 255, 0.8);
}

.language-tag {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, opacity 180ms ease;
}

.button-primary {
  background: var(--accent);
  color: #fff7f2;
}

.button-secondary {
  background: transparent;
  color: var(--accent-strong);
  border: 1px solid rgba(23, 23, 23, 0.16);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
}

.lang-switch {
  display: flex;
  gap: 0.5rem;
  padding: 0.35rem;
  background: rgba(255, 250, 242, 0.78);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.lang-switch a {
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  color: var(--muted);
}

.lang-switch a.active {
  background: #111;
  color: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 1rem;
  align-items: stretch;
}

.hero-text,
.hero-panel {
  padding: 2rem;
  border-radius: 2rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-korean .hero-text,
.hero-english .hero-text {
  background: linear-gradient(135deg, rgba(255, 250, 242, 0.92), rgba(255, 245, 232, 0.78));
}

.hero-panel {
  background: linear-gradient(180deg, rgba(17, 17, 17, 0.94), rgba(55, 28, 22, 0.92));
  color: #fff8f2;
  display: grid;
  gap: 1rem;
}

.hero-panel .stat-card {
  padding: 1rem 1.1rem;
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.hero-panel .stat-card span {
  display: block;
  color: rgba(255, 248, 242, 0.68);
  font-size: 0.82rem;
  margin-bottom: 0.45rem;
}

.hero-panel .stat-card strong {
  font-size: 1.1rem;
}

.notice-strip {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  border-radius: 1.25rem;
}

.notice-strip strong {
  color: var(--accent);
}

.grid-section {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.25rem;
}

.info-card,
.download-panel {
  padding: 1.5rem;
  border-radius: 1.65rem;
}

.feature-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
}

.performance-section {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1rem;
  align-items: center;
}

.section-copy {
  padding: 1rem 0.25rem;
}

.image-frame {
  border-radius: 1.75rem;
  overflow: hidden;
  padding: 0.75rem;
}

.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1.25rem;
}

.download-panel {
  margin-top: 1.25rem;
}

.link-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

@media (max-width: 920px) {
  .hero,
  .performance-section,
  .grid-section,
  .link-grid,
  .language-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    margin-top: 1.5rem;
    padding: 1.5rem;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}