:root {
  --graphite-950: #0b0d12;
  --graphite-900: #0f1115;
  --graphite-800: #171a21;
  --graphite-700: #1f232c;
  --graphite-600: #2a2f3a;
  --amber: #e8a33d;
  --teal: #4fd1c5;
  --ink-100: #e7e9ee;
  --ink-300: #b7bbc6;
  --ink-500: #8a8f9c;
  --red: #f87171;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--graphite-900);
  color: var(--ink-100);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; }

a { color: inherit; }

::selection { background: rgba(232, 163, 61, 0.3); }

:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.quadrant-bg {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ---------- Layout helpers ---------- */
.container { max-width: 1152px; margin: 0 auto; padding: 0 24px; }
.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* ---------- Navbar ---------- */
.navbar {
  border-bottom: 1px solid var(--graphite-700);
  background: rgba(15, 17, 21, 0.8);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-100);
}
.brand span { color: var(--amber); }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a { font-size: 14px; color: var(--ink-300); text-decoration: none; }
.nav-links a:hover { color: var(--ink-100); }
.nav-email { font-family: var(--font-mono); font-size: 12px; color: var(--ink-500); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 6px;
  padding: 10px 18px;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: 0.15s ease;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--amber); color: var(--graphite-950); }
.btn-primary:hover { background: #eeb35e; }
.btn-secondary {
  background: var(--graphite-800);
  border-color: var(--graphite-600);
  color: var(--ink-100);
}
.btn-secondary:hover { border-color: rgba(232, 163, 61, 0.6); }
.btn-block { width: 100%; }

/* ---------- Cards / forms ---------- */
.card {
  border: 1px solid var(--graphite-700);
  background: var(--graphite-800);
  border-radius: 10px;
}
.auth-card { width: 100%; max-width: 420px; padding: 32px; position: relative; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 14px; font-weight: 500; color: var(--ink-300); }
.field input {
  width: 100%;
  background: var(--graphite-800);
  border: 1px solid var(--graphite-600);
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--ink-100);
  font-family: var(--font-body);
  font-size: 14px;
}
.field input:focus { border-color: var(--amber); outline: none; }
.field input::placeholder { color: var(--ink-500); }

.form-footer { margin-top: 24px; text-align: center; font-size: 14px; color: var(--ink-300); }
.form-footer a { color: var(--amber); font-weight: 500; text-decoration: none; }
.form-footer a:hover { text-decoration: underline; }

.forgot-link { display: flex; justify-content: flex-end; margin: -8px 0 16px; }
.forgot-link a { font-family: var(--font-mono); font-size: 12px; color: var(--amber); text-decoration: none; }

.divider { display: flex; align-items: center; gap: 12px; margin: 24px 0; }
.divider .line { flex: 1; height: 1px; background: var(--graphite-600); }
.divider span { font-family: var(--font-mono); font-size: 12px; color: var(--ink-500); }

.oauth-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ---------- Alerts ---------- */
.alert { border-radius: 6px; padding: 12px 16px; font-size: 14px; margin-bottom: 16px; display: none; }
.alert.show { display: block; }
.alert-error { background: rgba(248, 113, 113, 0.1); border: 1px solid rgba(248, 113, 113, 0.3); color: var(--red); }
.alert-success { background: rgba(79, 209, 197, 0.1); border: 1px solid rgba(79, 209, 197, 0.3); color: var(--teal); }

/* ---------- Hero ---------- */
.hero { border-bottom: 1px solid var(--graphite-700); position: relative; overflow: hidden; }
.hero .container { padding-top: 96px; padding-bottom: 96px; position: relative; z-index: 1; }
.hero h1 { font-size: 44px; font-weight: 600; line-height: 1.15; max-width: 720px; margin-top: 16px; }
.hero p.lead { max-width: 560px; margin-top: 20px; font-size: 18px; color: var(--ink-300); }
.hero-actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }

/* ---------- Product grid ---------- */
.section { padding: 80px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

.product-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.product-card:hover { transform: translateY(-2px); border-color: rgba(232, 163, 61, 0.5); }
.product-card .quad-index { font-family: var(--font-mono); font-size: 12px; color: var(--ink-500); }
.product-card .dot { width: 8px; height: 8px; border-radius: 50%; }
.product-card .top-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.product-card h3 { font-size: 20px; font-weight: 600; }
.product-card .tagline { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-500); margin-top: 4px; }
.product-card p.desc { font-size: 14px; line-height: 1.6; color: var(--ink-300); margin-top: 12px; }
.product-card .open-link { margin-top: 20px; font-size: 14px; font-weight: 500; color: var(--amber); }

footer.site-footer { border-top: 1px solid var(--graphite-700); padding: 32px 0; text-align: center; font-family: var(--font-mono); font-size: 12px; color: var(--ink-500); }

/* ---------- Dashboard / Profile ---------- */
.page-header { padding: 48px 0 0; }
.page-header h1 { font-size: 30px; font-weight: 600; margin-top: 8px; }
.page-header p { color: var(--ink-300); margin-top: 8px; }
.badge {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--amber);
  border: 1px solid var(--graphite-600);
  border-radius: 999px;
  padding: 2px 10px;
  margin-left: 8px;
}

.profile-card { max-width: 640px; padding: 32px; margin-top: 32px; }
.avatar-row { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.avatar-row img { width: 64px; height: 64px; border-radius: 50%; border: 1px solid var(--graphite-600); object-fit: cover; }
.avatar-row .email { font-size: 14px; font-weight: 500; }

/* ---------- Loading ---------- */
.spinner {
  width: 24px; height: 24px;
  border: 2px solid var(--graphite-600);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 32px 0; }
.loading-wrap span { font-family: var(--font-mono); font-size: 12px; color: var(--ink-500); }

.hidden { display: none !important; }