:root {
  --bg: #f4f4f0;
  --ink: #000;
  --muted: #6b6b6b;
  --card: #fff;
  --accent-pink: #ff90e8;
  --google: #5383ec;
  --border: 1px solid #000;
  --radius: 4px;
  --font: "ABC Favorit", "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.45;
}
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  height: 4rem;
  border-bottom: var(--border);
  background: #fff;
}
.wordmark {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.nav { display: flex; gap: 1.25rem; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border: var(--border);
  border-radius: var(--radius);
  background: #000;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { text-decoration: none; opacity: 0.9; }
.btn-ghost {
  background: transparent;
  color: #000;
}

.hero {
  padding: 4rem 1.5rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
  max-width: 14ch;
}
.hero p.lead {
  font-size: 1.25rem;
  max-width: 40rem;
  margin: 0 0 1.75rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.bento {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto 3rem;
  padding: 0 1.5rem;
}
.bento article {
  background: var(--card);
  border: var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  min-height: 140px;
}
.bento h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.bento p { margin: 0; color: var(--muted); }

.stats {
  text-align: center;
  padding: 3rem 1.5rem;
  border-top: var(--border);
  border-bottom: var(--border);
}
.stats .big {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.site-footer {
  padding: 2rem 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.site-footer strong { color: var(--ink); }

/* Auth split */
.auth-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 1.2fr 0.8fr;
}
.auth-form-pane {
  padding: 2rem clamp(1.25rem, 4vw, 3.5rem);
  background: var(--bg);
  border-right: var(--border);
}
.auth-art {
  background:
    linear-gradient(135deg, #ff90e8 0%, #90a8ed 35%, #23a455 70%, #ffc900 100%);
  position: relative;
  overflow: hidden;
}
.auth-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, #000 0 12px, transparent 13px),
    radial-gradient(circle at 70% 40%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 40% 75%, #ff90e8 0 22px, transparent 23px),
    radial-gradient(circle at 80% 80%, #000 0 10px, transparent 11px);
  opacity: 0.35;
  mix-blend-mode: multiply;
}
.auth-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
.auth-form-pane h1 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  line-height: 1.25;
  font-weight: 500;
  max-width: 28ch;
  margin: 0 0 1.5rem;
}
.field { margin-bottom: 1rem; }
.field label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}
.field input {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: var(--border);
  border-radius: var(--radius);
  background: #fff;
  font: inherit;
}
.form-error {
  color: #b00020;
  margin: 0.75rem 0;
  min-height: 1.25rem;
}
.auth-form-pane .btn { width: 100%; margin-top: 0.5rem; }
.fineprint {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 860px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-art { display: none; }
  .nav .hide-sm { display: none; }
}