:root {
  --brand-primary: #ff5402;
  --text-strong: #111111;
  --text-body: #333333;
  --text-muted: #6b6b6b;
  --text-subtle: #8a8a8a;
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --border: #ececec;
  --border-strong: #d9d9d9;
  --radius-pill: 999px;
  --max-width: 760px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--text-strong);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss06";
}

a {
  color: inherit;
}

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

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

/* ── Header ───────────────────────────────────────────── */
.site-header {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-strong);
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: block;
}

.brand-dot {
  color: var(--brand-primary);
}

.lang-toggle {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: border-color 0.15s, color 0.15s;
}

.lang-toggle:hover {
  color: var(--text-strong);
  border-color: var(--border-strong);
}

/* ── Hero ─────────────────────────────────────────────── */
main {
  padding: 96px 0 128px;
}

.hero {
  padding-bottom: 128px;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero h1 .accent {
  color: var(--brand-primary);
}

.hero .lead {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.6;
}

/* ── Sections ─────────────────────────────────────────── */
.product,
.about {
  margin-top: 176px;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-strong);
}

.product-subtitle {
  font-size: 15px;
  color: var(--text-subtle);
  margin-bottom: 20px;
}

p {
  color: var(--text-body);
}

.product-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.product-icon {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(255, 84, 2, 0.18), 0 2px 6px rgba(0, 0, 0, 0.06);
  flex-shrink: 0;
}

.product-header h2 {
  margin-bottom: 4px;
}

.product-header .product-subtitle {
  margin-bottom: 0;
}

.product p {
  max-width: 560px;
  margin-bottom: 28px;
}

@media (max-width: 520px) {
  .product-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
  }
  .product-header {
    gap: 16px;
  }
}

.metrics {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics li {
  list-style: none;
}

.metrics .value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.01em;
}

.metrics .label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Store buttons ────────────────────────────────────── */
.stores {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--text-strong);
  color: #ffffff;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: background 0.15s, transform 0.15s;
}

.store-btn:hover {
  background: #000000;
  transform: translateY(-1px);
}

.store-btn svg {
  flex-shrink: 0;
}

.store-btn-label {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-align: left;
}

.store-btn-label small {
  font-size: 10px;
  opacity: 0.75;
  font-weight: 400;
}

.store-btn-label strong {
  font-size: 14px;
  font-weight: 600;
  margin-top: 2px;
}

/* ── About ────────────────────────────────────────────── */
.about p {
  max-width: 560px;
}

.links {
  margin-top: 24px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-strong);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color 0.15s;
}

.links a:hover {
  color: var(--brand-primary);
}

/* ── Footer ───────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 64px;
  margin-top: 128px;
  background: var(--bg-soft);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 28px;
}

.footer-brand {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 4px;
  display: block;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 13px;
}

.footer-social {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--text-muted);
  transition: color 0.15s, border-color 0.15s;
  text-decoration: none;
}

.footer-social a:hover {
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.footer-legal dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  margin-bottom: 20px;
}

.footer-legal dt {
  color: var(--text-subtle);
  font-weight: 500;
}

.footer-legal dd {
  color: var(--text-body);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-subtle);
  font-size: 12px;
}

.footer-bottom-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.footer-bottom-links a:hover {
  color: var(--brand-primary);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 520px) {
  main {
    padding: 64px 0 88px;
  }
  .hero {
    padding-bottom: 88px;
  }
  .product,
  .about {
    margin-top: 120px;
  }
  h2 {
    font-size: 24px;
  }
  .metrics {
    gap: 20px;
  }
  .metrics .value {
    font-size: 20px;
  }
}