/* VISYN LABS — shared styles for marketing + auth + dashboard chrome.
 * Dark theme, system font stack, generous whitespace. Hand-rolled because
 * Tailwind would add a build step we don't want today.
 */

:root {
  --bg:           #050507;
  --bg-2:         #0d0d10;
  --bg-3:         #131316;
  --bg-4:         #1f1f23;
  --border:       #2a2a30;
  --border-soft:  #1d1d22;
  --text:         #ffffff;
  --text-2:       #c4c4cc;
  --text-3:       #8e8e96;
  --text-4:       #5a5a62;
  --accent:       #60a5fa;
  --accent-2:     #3b82f6;
  --ok:           #10b981;
  --warn:         #f59e0b;
  --bad:          #ef4444;
  --shadow:       0 18px 38px rgba(0, 0, 0, 0.45);
  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    22px;
  --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Top bar (shared) ─── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 36px;
  border-bottom: 1px solid var(--border-soft);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.brand:hover { text-decoration: none; }
.brand-name { font-size: 15px; letter-spacing: 0.18em; }
.logo-glyph {
  display: inline-block;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  position: relative;
}
.logo-glyph::after {
  content: '';
  position: absolute;
  bottom: 7px; left: 50%;
  transform: translateX(-50%);
  width: 14px; height: 3px;
  background: rgba(255,255,255,0.65);
  border-radius: 2px;
}
.topbar-nav { display: flex; gap: 22px; align-items: center; }
.topbar-nav a { color: var(--text-2); font-size: 14px; }
.topbar-nav a:hover { color: var(--text); text-decoration: none; }

/* ─── Buttons ─── */
.btn-primary, .btn-ghost, .btn-secondary, .btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.01em;
  padding: 10px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: filter .12s, background .12s, border-color .12s;
  font-family: var(--font);
}
.btn-primary {
  background: var(--accent);
  color: #050507;
}
.btn-primary:hover { filter: brightness(1.08); text-decoration: none; }
.btn-secondary {
  background: var(--bg-3);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-4); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-3); text-decoration: none; }
.btn-danger {
  background: transparent;
  color: var(--bad);
  border-color: rgba(239,68,68,0.35);
}
.btn-danger:hover { background: rgba(239,68,68,0.08); }
.btn-sm  { padding: 6px 14px; font-size: 13px; }
.btn-lg  { padding: 14px 28px; font-size: 15px; }

/* ─── Marketing hero ─── */
.hero {
  text-align: center;
  padding: 96px 24px 72px;
  max-width: 880px;
  margin: 0 auto;
}
.hero-eyebrow {
  color: var(--accent);
  letter-spacing: 0.32em;
  font-size: 11px;
  text-transform: uppercase;
  margin: 0 0 18px;
}
.hero-title {
  font-size: 56px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
}
.hero-sub {
  font-size: 19px;
  color: var(--text-2);
  max-width: 620px;
  margin: 0 auto 36px;
}
.hero-cta {
  display: inline-flex;
  gap: 14px;
  margin-bottom: 18px;
}
.hero-fineprint {
  color: var(--text-3);
  font-size: 13px;
  margin: 0;
}

/* ─── Features grid ─── */
.features {
  padding: 56px 24px 96px;
  max-width: 1080px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.feat {
  background: var(--bg-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.feat-icon {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 14px;
}
.feat h3 { margin: 0 0 6px; font-size: 17px; font-weight: 600; }
.feat p  { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.55; }

/* ─── CTA band ─── */
.cta-band {
  text-align: center;
  padding: 80px 24px;
  background: linear-gradient(180deg, transparent, rgba(96,165,250,0.05), transparent);
  border-top: 1px solid var(--border-soft);
}
.cta-band h2  { font-size: 36px; font-weight: 700; margin: 0 0 12px; }
.cta-band p   { color: var(--text-2); margin: 0 0 24px; }

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: 24px 36px;
  color: var(--text-3);
  font-size: 13px;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-links a { color: var(--text-3); }
.footer-links a:hover { color: var(--text-2); }

/* ─── Auth pages (login / signup / forgot / reset) ─── */
.page-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow);
}
.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-bottom: 28px;
}
.auth-brand .brand-name { font-size: 13px; }
.auth-card h1 {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 6px;
  text-align: center;
}
.auth-card .auth-sub {
  color: var(--text-3);
  text-align: center;
  font-size: 13px;
  margin: 0 0 26px;
}
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.field input {
  display: block;
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 13px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
  transition: border-color .12s, box-shadow .12s;
}
.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(96,165,250,0.15);
}
.btn-block {
  display: block;
  width: 100%;
  margin-top: 6px;
}
.auth-foot {
  text-align: center;
  margin-top: 22px;
  font-size: 13px;
  color: var(--text-3);
}
.error-line {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 14px;
}
.success-line {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: #6ee7b7;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 14px;
}
.hidden { display: none !important; }

@media (max-width: 600px) {
  .hero-title { font-size: 38px; }
  .hero { padding: 64px 20px 48px; }
  .topbar { padding: 16px 20px; }
  .topbar-nav { gap: 12px; }
  .topbar-nav a:not(.btn-primary) { display: none; }
}