:root {
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --brand: #1d4ed8;
  --brand-deep: #1e3a8a;
  --brand-soft: #eff6ff;
  --ok: #047857;
  --danger: #b42318;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --radius: 16px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.site-nav, .account-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.05em;
  font-size: 1.15rem;
  color: inherit;
  text-decoration: none;
}
.brand-logo {
  height: 42px;
  width: auto;
  display: block;
  object-fit: contain;
}
.mark {
  display: none;
}
.nav-links { display: flex; gap: 18px; align-items: center; color: var(--muted); font-size: 0.95rem; }
.nav-links a { color: inherit; text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--brand); color: #fff; }
.btn.primary:hover { background: #1e40af; }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.full { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn.google {
  background: #fff;
  color: #1f1f1f;
  border: 1px solid var(--line);
  margin-top: 12px;
}
.btn.google:hover { background: #f8fafc; }
.btn.google svg { width: 18px; height: 18px; flex-shrink: 0; }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 12px 0 80px; }
.hero {
  display: grid;
  gap: 28px;
  padding: 36px 0 20px;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.15fr 0.85fr; align-items: center; padding: 56px 0 36px; }
}
.kicker {
  display: inline-block;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -0.06em; line-height: 1.05; margin: 0 0 14px; }
h2 { letter-spacing: -0.04em; margin: 0 0 8px; }
.lede { color: var(--muted); font-size: 1.08rem; max-width: 38rem; line-height: 1.55; }
.hero-card, .card, .legal {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card { padding: 24px; }
.hero-card ul { margin: 0; padding: 0; list-style: none; color: var(--muted); }
.hero-card li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.hero-card li:last-child { border-bottom: 0; }
.features, .plans {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}
@media (min-width: 800px) {
  .features { grid-template-columns: repeat(3, 1fr); }
  .plans { grid-template-columns: 1fr 1fr; }
}
.card { padding: 22px; position: relative; }
.card.featured { border-color: #bfdbfe; }
.badge {
  position: absolute;
  top: -10px;
  left: 18px;
  background: #fbbf24;
  color: #1a1400;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 5px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}
.price { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.06em; margin: 10px 0 4px; }
.muted { color: var(--muted); }
.list { padding: 0; margin: 16px 0 20px; list-style: none; color: var(--muted); }
.list li { margin: 8px 0; padding-left: 18px; position: relative; }
.list li::before { content: ""; position: absolute; left: 0; top: 8px; width: 8px; height: 8px; border-radius: 50%; background: #93c5fd; }
.section-title { margin: 48px 0 8px; }
.foot { margin-top: 48px; color: var(--muted); font-size: 0.9rem; display: flex; gap: 16px; flex-wrap: wrap; }
.auth-shell {
  min-height: 100vh;
  display: grid;
}
@media (min-width: 920px) {
  .auth-shell { grid-template-columns: 1fr 1fr; }
}
.auth-panel {
  background:
    radial-gradient(circle at 20% 20%, rgba(96,165,250,.25), transparent 40%),
    linear-gradient(180deg, #0f172a, #1e3a8a);
  color: #fff;
  padding: 36px;
  display: none;
}
@media (min-width: 920px) {
  .auth-panel { display: flex; flex-direction: column; justify-content: space-between; }
}
.auth-panel p { color: #cbd5e1; max-width: 26rem; line-height: 1.6; }
.auth-main { display: grid; place-items: center; padding: 28px 20px; }
.auth-card { width: min(420px, 100%); background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 28px; box-shadow: var(--shadow); }
.auth-card h1 { font-size: 1.7rem; }
label { display: block; font-size: 0.85rem; font-weight: 700; margin: 14px 0 6px; }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%;
  min-height: 46px;
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 0 12px;
  font-size: 16px;
  background: #fff;
}
input:focus { outline: 2px solid #bfdbfe; border-color: #60a5fa; }
.note { min-height: 1.2em; margin: 12px 0 0; font-size: 0.9rem; color: var(--danger); }
.note.ok { color: var(--ok); }
.switch { margin-top: 18px; color: var(--muted); font-size: 0.92rem; text-align: center; }
.status {
  border: 1px solid #bfdbfe;
  background: var(--brand-soft);
  color: var(--brand-deep);
  border-radius: 14px;
  padding: 14px 16px;
  margin: 8px 0 22px;
}
.status.warn { background: #fff7ed; border-color: #fdba74; color: #9a3412; }
.status.ok { background: #ecfdf5; border-color: #6ee7b7; color: #065f46; }
.user-meta { color: var(--muted); font-size: 0.92rem; }
.legal {
  padding: 36px 40px;
  margin: 24px auto 64px;
  max-width: 820px;
}
.legal-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.legal h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin: 0 0 10px;
}
.legal h2 {
  font-size: 1.2rem;
  margin: 34px 0 12px;
  color: var(--ink);
}
.legal h3 {
  font-size: 1.02rem;
  margin: 22px 0 8px;
  color: var(--ink);
}
.legal p,
.legal li {
  color: var(--muted);
  line-height: 1.75;
  font-size: 0.98rem;
}
.legal p { margin: 0 0 14px; }
.legal ul,
.legal ol {
  margin: 0 0 16px;
  padding-left: 1.25rem;
}
.legal li { margin: 8px 0; }
.legal .callout {
  background: var(--brand-soft);
  border: 1px solid #bfdbfe;
  border-radius: 14px;
  padding: 16px 18px;
  margin: 8px 0 24px;
  color: var(--brand-deep);
  line-height: 1.65;
}
.legal .callout strong { color: var(--brand-deep); }
.legal a { font-weight: 600; }
.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin: 0 0 28px;
  font-size: 0.9rem;
}
.legal-nav a { color: var(--brand-deep); }
.success-box { max-width: 520px; margin: 80px auto; text-align: center; padding: 36px; }