/* ==========================================================================
   Grey Matter Ideations — site stylesheet
   ========================================================================== */

:root {
  --bg: #0e1116;
  --bg-elevated: #161b23;
  --bg-card: #1b212b;
  --border: #2a3240;
  --text: #e8ecf1;
  --text-muted: #9aa5b1;
  --accent: #7c9eff;
  --accent-strong: #5b7fe8;
  --accent-soft: rgba(124, 158, 255, 0.12);
  --radius: 14px;
  --max-width: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* --------------------------------------------------------------------------
   Header / navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(14, 17, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: 0.01em;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #0e1116;
}

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

.site-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  padding: 96px 0 80px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(124, 158, 255, 0.15), transparent),
    var(--bg);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 .accent {
  background: linear-gradient(90deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  max-width: 620px;
  margin: 0 auto 36px;
  color: var(--text-muted);
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-strong);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

section {
  padding: 72px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   App cards
   -------------------------------------------------------------------------- */

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.app-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.app-icon {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: var(--accent-soft);
}

.app-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.app-card .app-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 3px 10px;
}

.app-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

.app-status {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */

.about {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.about-inner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 18px;
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

.contact-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* --------------------------------------------------------------------------
   Legal / policy page
   -------------------------------------------------------------------------- */

.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.legal h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal .last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 40px 0 14px;
  padding-top: 8px;
}

.legal h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 28px 0 10px;
}

.legal p,
.legal li {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.legal ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.92rem;
}

.legal th,
.legal td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}

.legal th {
  background: var(--bg-card);
  color: var(--text);
  font-weight: 600;
}

.legal td {
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 22px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

/* --------------------------------------------------------------------------
   Responsive tweaks
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .site-nav {
    gap: 16px;
  }

  .site-nav a {
    font-size: 0.85rem;
  }

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

  section {
    padding: 52px 0;
  }

  .site-footer .container {
    flex-direction: column;
    text-align: center;
  }
}