/* Temporal Logik — brand site
   Palette anchors to the 9forty5 product: navy #1e3a5f on cool gray #eef2f6,
   with an amber accent reserved for "time" details and the coming-soon badge. */

:root {
  --navy: #1e3a5f;
  --navy-deep: #162c49;
  --amber: #e8a33d;
  --bg: #eef2f6;
  --surface: #ffffff;
  --surface-alt: #e3e9f0;
  --text: #1c2733;
  --text-muted: #55657a;
  --border: #d4dde7;
  --link-on-dark: #90caf9;
  --shadow: 0 1px 2px rgba(22, 44, 73, 0.06), 0 8px 24px rgba(22, 44, 73, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10161d;
    --surface: #1a222c;
    --surface-alt: #151d26;
    --text: #e7edf3;
    --text-muted: #9fb0c3;
    --border: #2b3846;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "Space Grotesk", "Inter", system-ui, sans-serif;
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }

a { color: var(--navy); }
@media (prefers-color-scheme: dark) {
  a { color: var(--link-on-dark); }
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container.narrow { max-width: 760px; }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
}

.brand-mark { width: 34px; height: 34px; flex: none; }
.mark-bg { fill: var(--navy); }

.brand-name {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav > a:not(.btn) {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav > a:not(.btn):hover { color: var(--text); }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-small { padding: 0.45rem 0.95rem; font-size: 0.9rem; }

.btn-primary {
  background: var(--navy);
  color: #ffffff !important;
}
.btn-primary:hover { background: var(--navy-deep); }

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

.btn-disabled {
  background: var(--surface-alt);
  color: var(--text-muted) !important;
  cursor: default;
  border-color: var(--border);
}

/* ---------- hero ---------- */

.hero {
  padding: 6.5rem 0 5.5rem;
  background:
    radial-gradient(60rem 30rem at 85% -10%, color-mix(in srgb, var(--navy) 14%, transparent), transparent 60%),
    radial-gradient(40rem 22rem at -10% 110%, color-mix(in srgb, var(--amber) 10%, transparent), transparent 60%);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--amber);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.9rem);
  font-weight: 700;
}

.lead {
  max-width: 34em;
  font-size: 1.2rem;
  color: var(--text-muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

/* ---------- sections ---------- */

.section { padding: 4.5rem 0; }

.section-alt {
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: 1.9rem;
  margin-bottom: 1.2rem;
}

/* ---------- products ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.9rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product-card p:last-of-type { flex: 1; }

.product-head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.35rem;
}

.product-head h3 { margin: 0; font-size: 1.45rem; }

.product-tagline {
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.6rem;
}
@media (prefers-color-scheme: dark) {
  .product-tagline { color: var(--link-on-dark); }
}

.badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

.badge-live { background: color-mix(in srgb, var(--navy) 12%, transparent); color: var(--navy); }
.badge-soon { background: color-mix(in srgb, var(--amber) 20%, transparent); color: #9a6a1a; }

@media (prefers-color-scheme: dark) {
  .badge-live { background: color-mix(in srgb, var(--link-on-dark) 18%, transparent); color: var(--link-on-dark); }
  .badge-soon { color: var(--amber); }
}

/* ---------- contact / footer ---------- */

.contact-line { margin-top: 1.5rem; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.footer-inner p { margin: 0; }

.footer-inner nav {
  display: flex;
  gap: 1.25rem;
}

.footer-inner a {
  color: var(--text-muted);
  text-decoration: none;
}
.footer-inner a:hover { color: var(--text); }

/* ---------- small screens ---------- */

@media (max-width: 640px) {
  .site-nav > a:not(.btn) { display: none; }
  .hero { padding: 4rem 0 3.5rem; }
}