:root {
  --ink: #0b1220;
  --ink-2: #1e293b;
  --muted: #475569;
  --line: #e2e8f0;
  --paper: #f8fafc;
  --card: #ffffff;
  --brand: #0f766e;
  --brand-dark: #0d9488;
  --brand-deep: #115e59;
  --navy: #0f172a;
  --navy-2: #1e3a5f;
  --accent: #14b8a6;
  --danger: #b91c1c;
  --ok: #166534;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 10px 28px rgba(15, 23, 42, 0.08);
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--brand-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1080px, 92vw); margin: 0 auto; }
.container.wide { width: min(1200px, 94vw); }

/* Header */
.site-header {
  background: var(--navy);
  color: #f8fafc;
  padding: 0.9rem 0;
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  color: #fff !important;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  text-decoration: none !important;
}
.logo span { color: #5eead4; }
.nav { display: flex; flex-wrap: wrap; gap: 0.65rem 1rem; align-items: center; }
.nav a { color: #cbd5e1; font-size: 0.92rem; text-decoration: none; }
.nav a:hover { color: #fff; }
.nav-logout { display: inline; margin: 0; }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  border-radius: 9px;
  padding: 0.4rem 0.85rem;
  font-weight: 650;
  font-size: 0.9rem;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.2;
}
.nav-toggle:hover { background: rgba(255,255,255,0.08); }
.nav-toggle[aria-expanded="true"] {
  background: rgba(20, 184, 166, 0.2);
  border-color: #5eead4;
  color: #99f6e4;
}

/* Buttons */
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  background: var(--brand);
  color: #fff !important;
  border: none;
  border-radius: 9px;
  padding: 0.6rem 1.1rem;
  font-weight: 650;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none !important;
  line-height: 1.2;
}
.btn:hover, button.btn:hover { background: var(--brand-dark); }
.btn-secondary {
  background: #fff;
  color: var(--navy) !important;
  border: 1px solid var(--line);
}
.btn-secondary:hover { background: #f1f5f9; }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff !important;
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.85rem; }
.btn-danger { background: var(--danger); }

main { padding: 0 0 3rem; }
main > .container { padding-top: 1.5rem; }

/* Cards / typography */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
}
.card h2, .card h3 { margin-top: 0; color: var(--navy); }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.page-title { margin: 0 0 0.35rem; color: var(--navy); letter-spacing: -0.02em; }
.page-sub { margin: 0 0 1.25rem; color: var(--muted); }

/* Landing hero — full-bleed dark band */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: stretch;
  margin: -1.5rem calc(50% - 50vw) 0;
  padding: 3rem max(4vw, calc(50vw - 540px)) 2.75rem;
  background: linear-gradient(145deg, #0f172a 0%, #134e4a 55%, #0f766e 100%);
  color: #f8fafc;
}
.hero h1 {
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin: 0.5rem 0 0.85rem;
  color: #ffffff;
  max-width: 14ch;
}
.hero-lead {
  font-size: 1.12rem;
  color: #e2e8f0;
  margin: 0 0 1.35rem;
  max-width: 38rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero .btn-secondary {
  background: rgba(255,255,255,0.12);
  color: #fff !important;
  border: 1px solid rgba(255,255,255,0.35);
}
.hero .btn-secondary:hover { background: rgba(255,255,255,0.2); }
.hero .muted, .hero .muted strong {
  color: #cbd5e1 !important;
}
.hero .badge {
  display: inline-block;
  background: rgba(94, 234, 212, 0.18);
  color: #99f6e4;
  border: 1px solid rgba(94, 234, 212, 0.35);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
  margin: 0;
}
.hero-card {
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 14px;
  padding: 1.5rem 1.6rem;
  color: #f8fafc;
  backdrop-filter: blur(6px);
}
.hero-card h3 { margin: 0 0 0.85rem; color: #fff; font-size: 1.1rem; }
.hero-card ol { margin: 0; padding-left: 1.2rem; color: #e2e8f0; }
.hero-card li { margin-bottom: 0.45rem; }
.hero-card .hero-note {
  margin: 1.1rem 0 0;
  font-size: 0.85rem;
  color: #94a3b8;
}

/* Sections */
.section { padding: 2.25rem 0 0.5rem; }
.section h2 {
  color: var(--navy);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.step-num {
  display: inline-flex;
  width: 1.85rem;
  height: 1.85rem;
  align-items: center;
  justify-content: center;
  background: #ccfbf1;
  color: var(--brand-deep);
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 0.55rem;
}
.steps .card h3 { margin: 0 0 0.35rem; }
.steps .card p { margin: 0; }

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.price-card { text-align: left; }
.price-card .price {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--navy);
  margin: 0.35rem 0 0.85rem;
  letter-spacing: -0.03em;
}
.price-card ul {
  padding-left: 1.1rem;
  margin: 0 0 1.15rem;
  color: var(--ink-2);
}
.price-card li { margin-bottom: 0.35rem; }
.price-card.featured {
  border: 2px solid var(--brand);
  background: linear-gradient(180deg, #f0fdfa, #fff);
}
.price-card .badge {
  display: inline-block;
  background: #ecfeff;
  color: var(--brand-deep);
  border: 1px solid #99f6e4;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}
.disclaimer {
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: #92400e;
  margin: 1rem 0 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.75rem;
  color: var(--muted);
  font-size: 0.9rem;
  background: #fff;
  margin-top: 2rem;
}
.site-footer .disclaimer {
  font-size: 0.8rem;
  max-width: 52rem;
  background: transparent;
  border: none;
  padding: 0;
  color: var(--muted);
}
.site-footer a { color: var(--brand-deep); }

/* App chrome */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; margin-bottom: 1.25rem; }
.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}
.stat .label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat .value { font-size: 1.4rem; font-weight: 700; color: var(--navy); }

.flash { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid; }
.flash-ok { background: #ecfdf5; color: var(--ok); border-color: #a7f3d0; }
.flash-err { background: #fef2f2; color: var(--danger); border-color: #fecaca; }

label, .form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
  color: var(--navy);
}
input, select, textarea,
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
  color: var(--ink);
  margin-bottom: 0.9rem;
}
.form-row { margin-bottom: 0.9rem; }
.form-row input, .form-row select, .form-row textarea { margin-bottom: 0; }
.form-row textarea { min-height: 88px; resize: vertical; }
.form-actions, .actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

.table-wrap { overflow-x: auto; }
table, table.data { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td, table.data th, table.data td {
  text-align: left;
  padding: 0.6rem 0.45rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th, table.data th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
table.data tr:hover td { background: #f8fafc; }

.badge-paid { display: inline-block; background: #ecfdf5; color: var(--ok); border-radius: 999px; padding: 0.15rem 0.5rem; font-size: 0.75rem; font-weight: 700; }
.badge-due { display: inline-block; background: #fff7ed; color: #9a3412; border-radius: 999px; padding: 0.15rem 0.5rem; font-size: 0.75rem; font-weight: 700; }
.badge-free, .badge-paid-plan {
  display: inline-block;
  background: #f1f5f9;
  color: var(--navy);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.auth-card, .auth-box { max-width: 420px; margin: 2rem auto; }
.upgrade-card { border-color: var(--brand); background: #f0fdfa; }
.toolbar { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.empty { text-align: center; padding: 2rem 1rem; color: var(--muted); }
.inline-form { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: end; }
.checkbox-inline { display: flex; align-items: center; gap: 0.4rem; font-weight: 500; }
.checkbox-inline input { width: auto; margin: 0; }


/* First-run checklist */
.onboard-card {
  border-color: #99f6e4;
  background: linear-gradient(180deg, #f0fdfa, #fff);
}
.checklist {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.checklist > li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.checklist > li.done {
  border-color: #a7f3d0;
  background: #ecfdf5;
}
.checklist > li.locked { opacity: 0.72; }
.checklist .check-mark {
  flex: 0 0 auto;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  background: #ccfbf1;
  color: var(--brand-deep);
}
.checklist > li.done .check-mark {
  background: #166534;
  color: #fff;
}
.checklist > li > div { flex: 1; min-width: 0; }
.checklist > li strong { display: block; color: var(--navy); margin-bottom: 0.15rem; }
.checklist > li p { margin: 0 0 0.55rem; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 0.65rem; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 1.1rem;
  box-shadow: var(--shadow);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--brand);
  font-weight: 800;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0.65rem 0 0; color: var(--ink-2); font-size: 0.95rem; }

.billing-plans { margin-bottom: 1rem; }
.upgrade-card .badge {
  display: inline-block;
  background: #ecfeff;
  color: var(--brand-deep);
  border: 1px solid #99f6e4;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 800px) {
  .hero, .steps, .price-grid, .stat-grid, .grid-2, .grid-3, .form-row-2 {
    grid-template-columns: 1fr;
  }
  .hero { padding-top: 2.25rem; padding-bottom: 2rem; }

  .site-header .inner {
    flex-wrap: wrap;
    position: relative;
  }
  .nav-toggle { display: inline-flex; align-items: center; margin-left: auto; }
  .nav {
    display: none;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0;
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.5rem 0 0.15rem;
    border-top: 1px solid rgba(255,255,255,0.12);
  }
  .site-header.nav-open .nav { display: flex; }
  .nav a,
  .nav .nav-logout {
    display: block;
    padding: 0.7rem 0.35rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 1rem;
  }
  .nav a:last-of-type { border-bottom: none; }
  .nav .btn,
  .nav button.btn {
    width: 100%;
    justify-content: center;
  }
  .nav .nav-upgrade,
  .nav a.btn {
    margin-top: 0.35rem;
    border-bottom: none;
  }
  .nav .nav-logout {
    margin-top: 0.35rem;
    border-bottom: none;
    padding-top: 0.35rem;
  }
}

.legal h1 { color: var(--navy); margin-top: 0; }
.legal h2 { font-size: 1.05rem; margin: 1.25rem 0 0.35rem; color: var(--navy); }
.legal p, .legal li { color: var(--ink-2); }
.legal ul { margin: 0.35rem 0 0.75rem; padding-left: 1.2rem; }

/* Guide pages — compact dark teal strip + paper body */
.guide-hero {
  margin: -1.5rem calc(50% - 50vw) 1.5rem;
  padding: 2.25rem max(4vw, calc(50vw - 540px)) 2rem;
  background: linear-gradient(145deg, #0f172a 0%, #134e4a 55%, #0f766e 100%);
  color: #f8fafc;
}
.guide-hero .badge {
  display: inline-block;
  background: rgba(94, 234, 212, 0.18);
  color: #99f6e4;
  border: 1px solid rgba(94, 234, 212, 0.35);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 700;
}
.guide-hero h1 {
  font-size: clamp(1.55rem, 3.5vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0.65rem 0 0.7rem;
  color: #fff;
  max-width: 22ch;
}
.guide-hero .lead {
  margin: 0;
  max-width: 40rem;
  color: #e2e8f0;
  font-size: 1.05rem;
}
.guide-hero a { color: #99f6e4; }
.guide article.legal h2:first-of-type { margin-top: 0.5rem; }
.guide .cta-box {
  margin-top: 1.5rem;
  padding: 1.1rem 1.2rem;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
  border-radius: 10px;
}
.guide .cta-box h2 { margin-top: 0; }