:root {
  --primary: #c23e73;
  --primary-soft: #e0558a;
  --primary-container: #fce4ed;
  --secondary: #7b4fd1;
  --secondary-soft: #9c6cf2;
  --ink: #191722;
  --ink-60: rgba(25, 23, 34, 0.6);
  --gradient: linear-gradient(135deg, var(--primary-soft), var(--secondary-soft));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo",
    "Noto Sans KR", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
}

.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 20px;
}

.narrow {
  max-width: 720px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brand-mark {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-brand .brand-mark {
  font-size: 20px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  font-weight: 600;
}

.nav a:not(.btn) {
  color: var(--ink-60);
}

.nav a:not(.btn):hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  transition: opacity 0.15s;
}

.btn:hover {
  opacity: 0.9;
}

.btn-small {
  padding: 9px 18px;
  font-size: 14px;
}

.btn-large {
  padding: 16px 40px;
  font-size: 17px;
  box-shadow: 0 8px 24px rgba(194, 62, 115, 0.35);
}

/* Hero */
.hero {
  background: var(--gradient);
  color: #fff;
  text-align: center;
  padding: 96px 0 88px;
}

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

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 6vw, 56px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.hero-sub {
  margin: 0 auto;
  max-width: 560px;
  font-size: clamp(15px, 2.5vw, 18px);
  opacity: 0.95;
}

.hero-note {
  margin-top: 18px;
  font-size: 13px;
  opacity: 0.8;
}

/* Store buttons */
.store-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
  scroll-margin-top: 90px;
}

.store-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  border-radius: 14px;
  padding: 12px 22px;
  min-width: 190px;
  transition: transform 0.15s, opacity 0.15s;
}

.store-btn:hover {
  transform: translateY(-2px);
}

.store-btn span {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.25;
}

.store-btn small {
  font-size: 12px;
  opacity: 0.75;
}

.store-btn strong {
  font-size: 17px;
  font-weight: 700;
}

.store-btn.soon {
  opacity: 0.65;
  cursor: default;
}

.store-btn.soon:hover {
  transform: none;
}

/* Sections */
.section {
  padding: 88px 0;
  text-align: center;
}

.section h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.section-sub {
  margin: 0 auto 48px;
  max-width: 600px;
  color: var(--ink-60);
  font-size: 16px;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  text-align: left;
}

.card {
  background: #faf8fc;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 20px;
  padding: 28px 24px;
}

.card-icon {
  font-size: 30px;
  margin-bottom: 14px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
}

.card p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-60);
}

/* CTA */
.cta {
  background: var(--primary-container);
}

.cta-more {
  margin-top: 28px;
  font-size: 14px;
}

.cta-more a {
  color: var(--primary);
  font-weight: 700;
}

/* About page */
.narrow {
  text-align: left;
}

.narrow h2 {
  text-align: left;
  margin-top: 48px;
  font-size: 24px;
}

.narrow h2:first-child {
  margin-top: 0;
}

.narrow p {
  color: var(--ink-60);
  font-size: 16px;
}

.narrow a {
  color: var(--primary);
  font-weight: 600;
}

.feature-list {
  padding-left: 20px;
  margin: 0;
  color: var(--ink-60);
}

.feature-list li {
  margin-bottom: 12px;
}

.feature-list strong {
  color: var(--ink);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  background: #fafafa;
  padding: 40px 0;
  font-size: 14px;
  color: var(--ink-60);
}

.footer-brand {
  font-size: 15px;
  margin-bottom: 10px;
}

.site-footer p {
  margin: 4px 0;
}

.site-footer a {
  text-decoration: underline;
}

.copyright {
  margin-top: 14px;
  font-size: 13px;
}

@media (max-width: 640px) {
  .hero {
    padding: 64px 0 60px;
  }

  .section {
    padding: 64px 0;
  }

  .mobile-br {
    display: none;
  }
}