/* Blexa — Landing Page Styles
   Modern minimal · Linear/Stripe-inspired · Italian editorial accents */

:root {
  --bg: #fafaf7;
  --bg-elev: #ffffff;
  --bg-tint: #f3f1ec;
  --fg: #0a0a0a;
  --fg-2: #1c1c1a;
  --muted: #6b675e;
  --muted-2: #a8a29e;
  --line: rgba(10, 10, 10, 0.08);
  --line-2: rgba(10, 10, 10, 0.14);
  --accent: #dc2626;
  --accent-tint: rgba(220, 38, 38, 0.08);
  --good: #15803d;
  --warn: #b45309;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --space: 1;
  --font-sans: 'Geist', ui-sans-serif, -apple-system, system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-serif: 'Instrument Serif', 'Times New Roman', serif;
}

[data-theme='dark'] {
  --bg: #0a0a08;
  --bg-elev: #141411;
  --bg-tint: #1a1a17;
  --fg: #fafaf7;
  --fg-2: #e7e5df;
  --muted: #a3a098;
  --muted-2: #6b675e;
  --line: rgba(250, 250, 247, 0.08);
  --line-2: rgba(250, 250, 247, 0.14);
}

[data-theme='cream'] {
  --bg: #f5f1ea;
  --bg-elev: #fbf8f2;
  --bg-tint: #ece7dc;
  --fg: #1c1917;
  --fg-2: #292524;
  --muted: #78716c;
  --muted-2: #a8a29e;
  --line: rgba(28, 25, 23, 0.1);
  --line-2: rgba(28, 25, 23, 0.16);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01', 'cv11';
}

/* ─── Layout ───────────────────────────────────────────────────────────── */

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.container-narrow {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 32px;
}

section { position: relative; }

[data-density='compact'] .section { padding-block: 56px; }
[data-density='regular'] .section { padding-block: 96px; }
[data-density='comfortable'] .section { padding-block: 140px; }

.section { padding-block: 96px; }

/* ─── Type ─────────────────────────────────────────────────────────────── */

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
}

h1 {
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 450;
}

h2 {
  font-size: clamp(32px, 3.6vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  font-weight: 450;
}

h3 {
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 500;
}

.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.mono {
  font-family: var(--font-mono);
  font-feature-settings: 'ss01';
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--muted-2);
}

.lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--muted);
  letter-spacing: -0.005em;
  max-width: 60ch;
}

.section-title { margin-bottom: 16px; text-wrap: balance; }
.section-lead { margin-top: 0; margin-bottom: 64px; }

/* ─── Buttons ──────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 140ms cubic-bezier(.4,0,.2,1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--fg);
  color: var(--bg);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -8px rgba(0,0,0,0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover { background: var(--bg-tint); }

.btn-accent {
  background: var(--accent);
  color: white;
}
.btn-accent:hover { filter: brightness(1.05); }

.btn-sm { height: 36px; padding: 0 14px; font-size: 13px; }
.btn-lg { height: 52px; padding: 0 24px; font-size: 15px; }

/* ─── Nav ──────────────────────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 13.5px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: -0.005em;
}
.nav-links a:hover { color: var(--fg); }

/* ─── Banner ───────────────────────────────────────────────────────────── */

.banner {
  background: var(--fg);
  color: var(--bg);
  font-size: 13px;
  letter-spacing: -0.005em;
  padding: 10px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.banner-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}
.banner a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* ─── Cards ────────────────────────────────────────────────────────────── */

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 200ms cubic-bezier(.4,0,.2,1);
}
.card:hover {
  border-color: var(--line-2);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-tint);
  color: var(--muted);
  border: 1px solid var(--line);
}

/* ─── Score chip ───────────────────────────────────────────────────────── */

.score-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 6px;
}
.score-chip.low { background: rgba(220,38,38,0.1); color: #b91c1c; }
.score-chip.mid { background: rgba(180,83,9,0.1); color: #92400e; }
.score-chip.high { background: rgba(21,128,61,0.1); color: #15803d; }

[data-theme='dark'] .score-chip.low { background: rgba(220,38,38,0.18); color: #fca5a5; }
[data-theme='dark'] .score-chip.mid { background: rgba(245,158,11,0.18); color: #fcd34d; }
[data-theme='dark'] .score-chip.high { background: rgba(34,197,94,0.18); color: #86efac; }

/* ─── Forms ────────────────────────────────────────────────────────────── */

.input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--bg-elev);
  color: var(--fg);
  font: inherit;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  outline: none;
  transition: border-color 140ms;
}
.input::placeholder { color: var(--muted-2); }
.input:focus { border-color: var(--fg); }
.input.error { border-color: var(--accent); }

.signup-form {
  display: flex;
  gap: 8px;
  padding: 6px;
  background: var(--bg-elev);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  max-width: 480px;
  transition: border-color 140ms;
}
.signup-form:focus-within { border-color: var(--fg); }
.signup-form input {
  flex: 1;
  height: 40px;
  border: none;
  background: transparent;
  outline: none;
  font: inherit;
  font-size: 14.5px;
  padding: 0 14px;
  color: var(--fg);
}
.signup-form input::placeholder { color: var(--muted-2); }
.signup-form .btn { height: 40px; padding: 0 18px; font-size: 13.5px; }

/* ─── Trust row ────────────────────────────────────────────────────────── */

.trust-row {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.trust-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--muted-2);
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
}
.trust-dot::after {
  content: '';
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--muted-2);
}

/* ─── Avatars ──────────────────────────────────────────────────────────── */

.avatar-stack {
  display: inline-flex;
  align-items: center;
}
.avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--bg);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  margin-left: -8px;
  background: var(--bg-tint);
  color: var(--fg-2);
}
.avatar:first-child { margin-left: 0; }
.avatar.a1 { background: oklch(0.85 0.08 60); color: #5a3a1a; }
.avatar.a2 { background: oklch(0.82 0.07 200); color: #1a3a52; }
.avatar.a3 { background: oklch(0.83 0.07 340); color: #5a1a3a; }
.avatar.a4 { background: oklch(0.84 0.06 140); color: #1a4a2a; }

/* ─── Pill (countdown etc) ─────────────────────────────────────────────── */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 6px;
  border-radius: 999px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: -0.005em;
  color: var(--muted);
}
.pill-icon {
  display: inline-grid;
  place-items: center;
  width: 22px; height: 22px;
  border-radius: 999px;
  background: var(--bg-tint);
  color: var(--fg);
}

/* ─── Subtle dot grid ──────────────────────────────────────────────────── */

.dot-grid {
  background-image: radial-gradient(var(--line-2) 1px, transparent 1px);
  background-size: 16px 16px;
  background-position: -1px -1px;
}

/* ─── Reveal on scroll ─────────────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms cubic-bezier(.2,.6,.2,1), transform 600ms cubic-bezier(.2,.6,.2,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--muted-2); }

/* Selection */
::selection { background: var(--fg); color: var(--bg); }