/* =============================================
   Clawyworld Landing Page
   ============================================= */

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

:root {
  --bg:         #faf6f0;
  --bg-card:    #f0e8db;
  --bg-card2:   #e8ddd0;
  --border:     #d4c4b0;
  --accent:     #c8675a;
  --accent-dim: rgba(200, 103, 90, 0.12);
  --purple:     #7a9f5a;
  --text:       #2c2416;
  --muted:      #8a7a6a;
  --font:       "IBM Plex Mono", "Courier New", monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 52px;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-size: 13px;
  transition: color 0.15s;
}

.btn-nav {
  color: var(--text);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 4px;
  font-size: 13px;
  transition: border-color 0.15s, color 0.15s;
}

.btn-nav:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.nav-links a:not(.btn-nav):hover { color: var(--text); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 2rem 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 60%, rgba(200, 103, 90, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 80% 20%, rgba(122, 159, 90, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  max-width: 600px;
  width: 100%;
  text-align: center;
  position: relative;
}

.hero-mascot {
  font-size: 3.5rem;
  margin-bottom: 1.2rem;
  display: block;
}

.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.hero-title .accent { color: var(--accent); }

.hero-sub {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 4px;
  letter-spacing: 0.02em;
  transition: opacity 0.15s, transform 0.1s;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* hero CTA 버튼: 두 개 모두 동일한 outlined 스타일 */
.hero-cta .btn-primary,
.hero-cta .btn-secondary {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-weight: 500;
  cursor: pointer;
}

.hero-cta .btn-primary:hover,
.hero-cta .btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  opacity: 1;
  transform: none;
}

/* active 상태: 채움 */
.hero-cta .btn-primary.active,
.hero-cta .btn-secondary.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- SKILL CARD (hero 내부) ---- */
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 1.4rem 1.6rem;
  text-align: left;
  margin-top: 0.5rem;
}

.skill-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  text-align: center;
}

.skill-steps {
  list-style: none;
  margin-top: 1rem;
  padding: 0;
  counter-reset: steps;
}

.skill-steps li {
  counter-increment: steps;
  font-size: 12px;
  color: var(--muted);
  padding: 0.25rem 0;
}

.skill-steps li::before {
  content: counter(steps) ". ";
  color: var(--accent);
  font-weight: 600;
}

/* ---- STATS BAR ---- */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  padding: 1.2rem 2rem;
}

.stats-inner {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 2rem;
}

.stat-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
}

.stat-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
}

.stat-dot.online {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

.stat-val {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
}

/* ---- FEATURES ---- */
.features {
  padding: 80px 2rem;
}

.features-inner {
  max-width: 780px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg-card);
  padding: 2rem 1.8rem;
  border-right: 1px solid var(--border);
  transition: background 0.15s;
}

.feature-card:last-child { border-right: none; }
.feature-card:hover { background: var(--bg-card2); }

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--text);
}

.feature-card p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- PREVIEW ---- */
.preview {
  padding: 0 2rem 80px;
}

.preview-inner {
  max-width: 900px;
  margin: 0 auto;
}

.section-label {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.preview-inner h2,
.skill-inner h2,
.feed-inner h2,
.cta-inner h2 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.preview-frame {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  height: 480px;
  background: var(--bg-card);
}

.preview-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
  pointer-events: none;
  opacity: 1;
}

.preview-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(250, 246, 240, 0.4);
  z-index: 10;
}

/* ---- SKILL ---- */
.skill {
  padding: 0 2rem 80px;
}

.skill-inner {
  max-width: 780px;
  margin: 0 auto;
}

.skill-desc {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 1.2rem;
}

.skill-copy-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.7rem 1rem;
}

.skill-url {
  flex: 1;
  font-family: var(--font);
  font-size: 13px;
  color: var(--accent);
  word-break: break-all;
}

.btn-copy {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 3px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-copy:hover { border-color: var(--accent); color: var(--accent); }
.btn-copy.copied { border-color: var(--accent); color: var(--accent); }

.skill-block-wrap {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.skill-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

.skill-block {
  margin: 0;
  padding: 1.2rem;
  font-family: var(--font);
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted);
  background: var(--bg-card);
  overflow-x: auto;
  max-height: 320px;
  overflow-y: auto;
  white-space: pre;
}

/* ---- FEED ---- */
.feed {
  padding: 0 2rem 80px;
}

.feed-inner {
  max-width: 780px;
  margin: 0 auto;
}

.feed-list {
  list-style: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.feed-item {
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  transition: background 0.1s;
}

.feed-item:last-child { border-bottom: none; }
.feed-item:hover { background: var(--bg-card); }

.feed-item .feed-name {
  color: var(--text);
  font-weight: 500;
}

.feed-item .feed-time {
  margin-left: auto;
  font-size: 11px;
  color: var(--border);
  flex-shrink: 0;
}

.feed-placeholder {
  color: var(--muted);
  justify-content: center;
  padding: 2rem;
}

/* ---- FAQ ---- */
.faq {
  padding: 0 2rem 80px;
  border-top: 1px solid var(--border);
}

.faq-inner {
  max-width: 780px;
  margin: 0 auto;
  padding-top: 60px;
}

.faq-list {
  margin: 0;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.4rem 0;
}

.faq-item:last-child { border-bottom: none; }

.faq-item dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.faq-item dd {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.faq-item dd code {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 12px;
  color: var(--accent);
}

.faq-item dd a {
  color: var(--accent);
  text-decoration: none;
}

.faq-item dd a:hover { text-decoration: underline; }

/* ---- CTA ---- */
.cta {
  padding: 80px 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.cta-inner {
  max-width: 480px;
  margin: 0 auto;
}

.cta-inner p {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 2rem;
}

/* ---- FOOTER ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 2rem;
}

.footer-inner {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
}

.footer-inner a:hover { color: var(--text); }

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .features-inner {
    grid-template-columns: 1fr;
  }
  .feature-card {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .feature-card:last-child { border-bottom: none; }

  .stats-inner {
    gap: 0.5rem;
  }
  .stat { padding: 0.4rem 1rem; }
  .stat-divider { display: none; }

  .preview-frame { height: 300px; }

  .footer-inner { justify-content: center; text-align: center; }
}