/* ─────────────────────────────────────────────────────────────
   Vibecraft 랜딩 페이지 스타일
   목표: 담백하고 신뢰감 있는 스튜디오 톤 + 모바일 대응
   ───────────────────────────────────────────────────────────── */

:root {
  --color-bg: #FFFAF5;
  --color-surface: #FFFFFF;
  --color-surface-alt: #FFF3E9;
  --color-text: #1F1B2E;
  --color-text-muted: #6B6577;
  --color-text-subtle: #9791A5;
  --color-primary: #FF6B9D;
  --color-primary-dark: #E55688;
  --color-accent: #7B5CFF;
  --color-border: #EEE6DC;
  --color-border-strong: #DCD3C8;
  --shadow-sm: 0 1px 3px rgba(28, 24, 48, 0.06), 0 1px 2px rgba(28, 24, 48, 0.04);
  --shadow-md: 0 6px 16px rgba(28, 24, 48, 0.08), 0 2px 4px rgba(28, 24, 48, 0.04);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ─── Header ────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 250, 245, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand-mark {
  color: var(--color-primary);
  font-size: 20px;
  transform: translateY(-1px);
}

.brand-name {
  font-size: 18px;
  color: var(--color-text);
}

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

.site-nav a {
  font-size: 14.5px;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color 0.15s ease;
}

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

/* ─── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 88px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 107, 157, 0.10), transparent 55%),
    radial-gradient(circle at 80% 30%, rgba(123, 92, 255, 0.10), transparent 60%);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: rgba(255, 107, 157, 0.10);
  border-radius: 999px;
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.hero-subtitle {
  margin: 0 0 32px;
  max-width: 660px;
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--color-text-muted);
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14.5px;
  transition: transform 0.12s ease, background 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 6px 16px rgba(255, 107, 157, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.btn-ghost:hover {
  background: var(--color-surface);
  border-color: var(--color-text-muted);
}

/* ─── Section base ──────────────────────────────────────────── */
.section {
  padding: 88px 0;
}

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

.section-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.section-lead {
  margin: 0 0 40px;
  color: var(--color-text-muted);
  max-width: 720px;
}

.prose p {
  margin: 0 0 18px;
  color: var(--color-text);
  font-size: 16.5px;
  max-width: 780px;
}

/* ─── About stats ───────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  text-align: left;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--color-text-muted);
}

/* ─── Service cards ─────────────────────────────────────────── */
.service-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: stretch;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.service-card-upcoming {
  opacity: 0.82;
}

.service-media {
  background: linear-gradient(135deg, rgba(255, 107, 157, 0.12), rgba(123, 92, 255, 0.12));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.service-emoji {
  font-size: 72px;
}

.service-body {
  display: flex;
  flex-direction: column;
}

.service-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.service-title {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.01em;
}

.service-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(46, 175, 125, 0.14);
  color: #1F8A5B;
}

.service-badge-soon {
  background: rgba(150, 150, 150, 0.14);
  color: #6B6577;
}

.service-tagline {
  margin: 0 0 16px;
  color: var(--color-text-muted);
  font-size: 15px;
}

.service-desc {
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.feature-item {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: 18px 16px;
}

.feature-icon {
  font-size: 22px;
  display: block;
  margin-bottom: 6px;
}

.feature-item h4 {
  margin: 0 0 4px;
  font-size: 14.5px;
  font-weight: 700;
}

.feature-item p {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.service-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
}

/* ─── Principles ────────────────────────────────────────────── */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.principle-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
}

.principle-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  color: var(--color-primary-dark);
}

.principle-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.7;
}

/* ─── Contact ──────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
}

.contact-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.contact-card p {
  margin: 0 0 6px;
  font-size: 14.5px;
}

.contact-card a {
  color: var(--color-primary-dark);
  font-weight: 600;
}

.contact-card code {
  background: var(--color-surface-alt);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 13px;
}

.contact-note {
  color: var(--color-text-subtle);
  font-size: 13px !important;
}

/* ─── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: #1F1B2E;
  color: #E0DCEB;
  padding: 64px 0 0;
  margin-top: 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-bottom: 40px;
}

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

.footer-brand .brand-name {
  color: #FFFFFF;
  font-size: 20px;
  font-weight: 800;
  margin-left: 6px;
}

.footer-tagline {
  margin: 12px 0 0;
  color: #9791A5;
  font-size: 14px;
  max-width: 320px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 13px;
  color: #FFFFFF;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: #C5BFD1;
  font-size: 14px;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding: 20px 0;
}

.footer-bottom p {
  margin: 0;
  font-size: 12.5px;
  color: #9791A5;
}

.footer-address {
  margin-top: 4px !important;
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

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

  .section {
    padding: 64px 0;
  }

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

  .service-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .service-media {
    min-height: 140px;
  }

  .service-emoji {
    font-size: 56px;
  }

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

  .principles-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 18px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}