/* ============================================================
   subsite.css — Shared styles for ScoreVault / CloudKata subsites
   Requires: project-specific CSS (scorevault.css / cloudkata.css) loaded BEFORE this file.
   Uses CSS Custom Properties: --primary, --primary-light, --glow,
   --glass-bg, --glass-border, --bg
   ============================================================ */

/* Reset & Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--bg);
  color: #e2e8f0;
  font-family: 'Noto Sans JP', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}
h1, h2, h3, h4, .font-syne { font-family: 'Syne', sans-serif; }
.font-mono { font-family: 'JetBrains Mono', monospace; }

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 0 8px var(--glow);
}
.nav-logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: center;
}
.nav-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.82rem;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary-light);
  background: var(--glass-bg);
}
.nav-back a {
  color: #64748b;
  text-decoration: none;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
  transition: color 0.2s;
}
.nav-back a:hover { color: #94a3b8; }

/* ── Glass card ── */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
}

/* ── Gradient text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glow line ── */
.glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.4;
}

/* ── Status badge ── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--primary-light);
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary) 50%, transparent); }
  50%       { opacity: 0.8; box-shadow: 0 0 0 6px color-mix(in srgb, var(--primary) 0%, transparent); }
}

/* ── Hero ── */
.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, color-mix(in srgb, var(--primary) 12%, transparent) 0%, transparent 70%);
  pointer-events: none;
}
.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 10vw, 7rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: #94a3b8;
  margin-bottom: 0.75rem;
  font-weight: 500;
}
.hero-tagline {
  font-size: 0.9rem;
  color: #64748b;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 2rem;
}

/* ── Screenshot strip ── */
.screenshot-strip {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 1rem 0.5rem 1.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--primary) 30%, transparent) transparent;
}
.screenshot-strip::-webkit-scrollbar { height: 4px; }
.screenshot-strip::-webkit-scrollbar-track { background: transparent; }
.screenshot-strip::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--primary) 30%, transparent);
  border-radius: 4px;
}
.screenshot-strip img {
  height: 480px;
  max-height: 480px;
  width: auto;
  border-radius: 12px;
  scroll-snap-align: start;
  object-fit: contain;
  border: 1px solid var(--glass-border);
  flex-shrink: 0;
  transition: transform 0.3s, box-shadow 0.3s;
}
.screenshot-strip img:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--primary) 15%, transparent);
}

/* ── Feature cards ── */
.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.feature-card:hover {
  border-color: color-mix(in srgb, var(--primary) 30%, transparent);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--primary) 10%, transparent);
  transform: translateY(-4px);
}
.feature-icon { font-size: 2rem; margin-bottom: 1rem; }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  text-decoration: none;
  font-size: 0.95rem;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--primary) 30%, transparent);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 40%, transparent);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--glass-bg);
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  color: var(--primary-light);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.2s;
}
.btn-secondary:hover {
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  transform: translateY(-2px);
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Sections ── */
section { padding: 5rem 1.5rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: #475569;
  font-size: 0.85rem;
}
footer p + p {
  margin-top: 0.4rem;
  color: #334155;
  font-size: 0.78rem;
}

/* ── Document layout (for policy/legal pages) ── */
.doc-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}
.doc-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--glass-border);
}
.doc-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.doc-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}
.doc-updated {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: #475569;
}
.doc-section { margin-bottom: 2.5rem; }
.doc-section h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 1rem;
  padding: 0.6rem 1rem;
  background: color-mix(in srgb, var(--primary) 7%, transparent);
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
}
.doc-section p {
  color: #94a3b8;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}
.doc-section ul { list-style: none; padding: 0; margin: 0.5rem 0; }
.doc-section ul li {
  color: #94a3b8;
  font-size: 0.95rem;
  padding: 0.4rem 0 0.4rem 1.25rem;
  position: relative;
}
.doc-section ul li::before {
  content: '·';
  position: absolute;
  left: 0.3rem;
  color: var(--primary);
  font-size: 1.2rem;
  line-height: 1.4;
}
.doc-section a { color: var(--primary-light); text-decoration: none; }
.doc-section a:hover { text-decoration: underline; }
.divider { height: 1px; background: var(--glass-border); margin: 2rem 0; }

/* ── Hamburger / mobile nav ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: #64748b;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
nav.open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
nav.open .nav-hamburger span:nth-child(2) { opacity: 0; }
nav.open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0; right: 0;
    background: color-mix(in srgb, var(--bg) 97%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 1.5rem;
    gap: 0.5rem;
    z-index: 99;
  }
  nav.open .nav-links a { padding: 0.6rem 0.5rem; font-size: 0.9rem; }
  .screenshot-strip img { height: 340px; }
}