/* SuaveIQ shared design system */

:root {
  --bg: #08070a;
  --bg-deep: #050407;
  --bg-card: #0c0a10;
  --text: #f7f3ee;
  --text-soft: #c8bfb6;
  --accent: #d4a949;
  --accent-dim: #a07f30;
  --accent-glow: rgba(212, 169, 73, 0.22);
  --muted: #7a7068;
  --border: rgba(247, 243, 238, 0.08);
  --border-strong: rgba(247, 243, 238, 0.16);
  --danger: #c44;

  --font-display: 'Fraunces', Georgia, serif;
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
input, textarea, select { font: inherit; color: inherit; background: none; border: none; outline: none; }

::selection { background: var(--accent); color: var(--bg); }

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 22px; height: 1px;
  background: var(--accent);
}

.h-display {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.italic-gold { font-style: italic; color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--text); transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }

/* Card */
.card {
  background: rgba(247, 243, 238, 0.025);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.4s var(--ease);
}
.card:hover { border-color: rgba(184, 150, 62, 0.25); }

/* Logo */
.logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: inline-flex;
  gap: 1px;
}
.logo .gold { color: var(--accent); font-style: italic; }
.logo .light { color: var(--text); font-weight: 700; }

/* App nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(8, 7, 10, 0.8);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-soft);
  transition: color 0.3s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--accent); }

/* Upgrade CTA in member nav (only visible to non-Pro members) */
.nav-cta-upgrade {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.nav-cta-upgrade::before {
  content: '★';
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0;
}
.nav-cta-upgrade:hover {
  background: var(--text);
  color: var(--bg);
  transform: translateY(-1px);
}
.nav-cta-upgrade.visible { display: inline-flex; }

/* Forms */
.field { margin-bottom: 16px; }
.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.field-input {
  width: 100%;
  background: rgba(8, 7, 10, 0.6);
  border: 1px solid var(--border);
  padding: 14px 16px;
  font-size: 14px;
  border-radius: 2px;
  color: var(--text);
  transition: border-color 0.3s var(--ease);
}
.field-input:focus { border-color: var(--accent); }
.field-input::placeholder { color: var(--muted); }

.form-error {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--danger);
  margin-top: 8px;
}

/* Page-level layout helpers */
.page {
  min-height: 100vh;
  padding-top: 80px;
}
.page-grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(247, 243, 238, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 243, 238, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  z-index: -1;
}

/* Generic stack */
.stack-12 > * + * { margin-top: 12px; }
.stack-16 > * + * { margin-top: 16px; }
.stack-24 > * + * { margin-top: 24px; }

@media (max-width: 768px) {
  .nav-link.hide-mobile { display: none; }
}