/* ==========================================================================
   Nevco — Modern Design System
   ========================================================================== */
:root {
  --bg: #FAFBFC;
  --bg-alt: #F3F4F6;
  --surface: #FFFFFF;
  --ink: #0F1419;
  --ink-soft: #47505A;
  --ink-faint: #7A8592;
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #EFF6FF;
  --accent: #8B5CF6;
  --success: #059669;
  --success-light: #ECFDF5;
  --warning: #D97706;
  --warning-light: #FEF3C7;
  --error: #DC2626;
  --error-light: #FEE2E2;
  --line: #E5E7EB;
  --line-soft: #F3F4F6;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 20, 25, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 20, 25, 0.08);
  --shadow-lg: 0 8px 24px rgba(15, 20, 25, 0.12);
  --shadow-card: 0 1px 3px rgba(15, 20, 25, 0.06), 0 10px 30px rgba(15, 20, 25, 0.08);
  --max: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { 
  color: var(--primary); 
  text-decoration: none;
  transition: var(--transition);
}
a:hover { color: var(--primary-dark); text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); line-height: 1.1; font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); line-height: 1.2; }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 65ch; line-height: 1.7; }

.mono { font-family: var(--font-mono); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-weight: 600;
}

/* ---- Header / Nav ---- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  position: sticky; 
  top: 0; 
  z-index: 40;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.nav {
  display: flex; 
  align-items: center; 
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max); 
  margin: 0 auto;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  display: flex; 
  align-items: baseline; 
  gap: 2px;
  transition: var(--transition);
}
.brand:hover { color: var(--primary); }
.brand .mark { color: var(--primary); font-style: italic; }
.nav-links { 
  display: flex; 
  gap: 28px; 
  list-style: none; 
  margin: 0; 
  padding: 0; 
  align-items: center;
}
.nav-links a {
  color: var(--ink-soft); 
  text-decoration: none; 
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 4px; 
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { 
  color: var(--primary); 
  border-bottom-color: var(--primary);
}
.nav-cta {
  background: var(--primary); 
  color: #fff !important; 
  padding: 11px 28px;
  border-radius: var(--radius); 
  font-size: 0.95rem !important; 
  border: none;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  display: inline-block;
  margin-left: 8px;
}
.nav-cta:hover { 
  background: var(--primary-dark); 
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  transform: translateY(-1px);
}
.nav-cta:active {
  transform: translateY(0);
}
.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav-links { 
    position: fixed; 
    inset: 62px 0 0 0; 
    background: var(--surface); 
    flex-direction: column;
    padding: 24px; 
    gap: 4px; 
    transform: translateX(100%); 
    transition: transform .25s ease; 
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links li { border-bottom: 1px solid var(--line); }
  .nav-links a { display: block; padding: 14px 4px; }
  .nav-toggle {
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    width: 40px; 
    height: 40px; 
    border: 1px solid var(--line); 
    background: var(--surface);
    border-radius: var(--radius); 
    cursor: pointer; 
    font-size: 1.1rem;
    transition: var(--transition);
  }
  .nav-toggle:hover { border-color: var(--primary); }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  gap: 8px;
  font-family: var(--font-body); 
  font-weight: 600; 
  font-size: 0.95rem;
  padding: 12px 24px; 
  border-radius: var(--radius); 
  border: 1px solid transparent;
  cursor: pointer; 
  text-decoration: none; 
  line-height: 1;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-primary { 
  background: var(--primary); 
  color: #fff; 
}
.btn-primary:hover { 
  background: var(--primary-dark); 
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.btn-ghost { 
  background: transparent; 
  border-color: var(--line); 
  color: var(--ink); 
  box-shadow: none;
}
.btn-ghost:hover { 
  border-color: var(--primary); 
  color: var(--primary);
  background: var(--primary-light);
}
.btn-danger-ghost { 
  background: transparent; 
  border-color: var(--error); 
  color: var(--error); 
}
.btn-danger-ghost:hover { 
  background: var(--error-light); 
}
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---- Sections ---- */
.section { padding: 80px 0; }
.section-tight { padding: 48px 0; }
.section-alt { background: var(--bg-alt); }
.section-border-top { border-top: 1px solid var(--line); }
.hero { padding: 72px 0 48px; }
.hero-grid { 
  display: grid; 
  grid-template-columns: 1.15fr 0.85fr; 
  gap: 64px; 
  align-items: center; 
}
@media (max-width: 860px) { 
  .hero-grid { 
    grid-template-columns: 1fr; 
    gap: 40px; 
  } 
}

/* ---- Cards ---- */
.card {
  background: var(--surface); 
  border: 1px solid var(--line);
  border-radius: var(--radius-lg); 
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.card-grid { 
  display: grid; 
  grid-template-columns: repeat(3, 1fr); 
  gap: 24px; 
}
@media (max-width: 860px) { 
  .card-grid { 
    grid-template-columns: 1fr; 
  } 
}
.card h3 { margin-bottom: 12px; }
.card p { margin-bottom: 0; }
.card .glyph { 
  font-family: var(--font-mono); 
  color: var(--primary); 
  font-size: 0.9rem; 
  margin-bottom: 14px; 
  display: block;
  font-weight: 600;
}

/* ---- Ledger row (signature motif) ---- */
.ledger-line { 
  border-top: 1px solid var(--line); 
  padding: 18px 0; 
  display: flex; 
  gap: 18px; 
  align-items: baseline; 
  justify-content: space-between;
  transition: var(--transition);
}
.ledger-line:hover {
  background: var(--bg-alt);
  padding: 18px 12px;
  border-radius: var(--radius);
}
.ledger-line:last-child { border-bottom: 1px solid var(--line); }
.ledger-date { 
  font-family: var(--font-mono); 
  font-size: 0.85rem; 
  color: var(--ink-faint); 
  min-width: 90px;
  font-weight: 500;
}
.ledger-title { 
  flex: 1; 
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
}
.ledger-score { 
  font-family: var(--font-mono); 
  color: var(--primary); 
  font-weight: 600;
}

/* ---- Stamp (verdict badge) ---- */
.stamp {
  display: inline-flex; 
  align-items: center; 
  gap: 6px;
  font-family: var(--font-mono); 
  font-size: 0.75rem; 
  letter-spacing: 0.1em; 
  text-transform: uppercase;
  padding: 6px 12px; 
  border-radius: 999px; 
  border: 1.5px solid currentColor;
  font-weight: 600;
}
.stamp-good { color: var(--success); background: var(--success-light); }
.stamp-reconsider { color: var(--error); background: var(--error-light); }
.stamp-pending { color: var(--warning); background: var(--warning-light); }
.stamp-mixed { color: var(--primary); background: var(--primary-light); }

/* ---- Forms ---- */
label { 
  display: block; 
  font-size: 0.9rem; 
  font-weight: 600; 
  color: var(--ink); 
  margin-bottom: 8px; 
}
input[type="text"], 
input[type="number"], 
input[type="email"], 
textarea, 
select {
  width: 100%; 
  font-family: var(--font-body); 
  font-size: 0.98rem; 
  color: var(--ink);
  background: var(--surface); 
  border: 1px solid var(--line); 
  border-radius: var(--radius); 
  padding: 11px 14px; 
  margin-bottom: 4px;
  transition: var(--transition);
}
textarea { resize: vertical; min-height: 100px; }
input:focus, textarea:focus, select:focus { 
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-light);
}
.field { margin-bottom: 20px; }
.hint { font-size: 0.84rem; color: var(--ink-faint); margin-top: 6px; }
.error-text { font-size: 0.84rem; color: var(--error); margin-top: 6px; font-weight: 500; }
input[type="range"] { width: 100%; accent-color: var(--primary); }

/* ---- Table (scoring grid) ---- */
.score-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.score-table th, .score-table td { 
  padding: 12px 10px; 
  border-bottom: 1px solid var(--line); 
  text-align: left; 
  vertical-align: middle;
  transition: var(--transition);
}
.score-table th { 
  font-family: var(--font-mono); 
  font-size: 0.75rem; 
  text-transform: uppercase; 
  letter-spacing: 0.08em; 
  color: var(--ink-faint); 
  font-weight: 600;
  background: var(--bg-alt);
}
.score-table tr:hover { background: var(--bg-alt); }
.score-table input[type="number"] { width: 70px; text-align: center; }
.score-table .row-label { font-weight: 600; }

/* ---- Ad placeholder ---- */
.ad-slot {
  border: 1px solid var(--line); 
  background: var(--bg-alt);
  border-radius: var(--radius); 
  color: var(--ink-faint); 
  font-family: var(--font-mono);
  font-size: 0.75rem; 
  letter-spacing: 0.08em; 
  text-transform: uppercase;
  display: flex; 
  align-items: center; 
  justify-content: center; 
  text-align: center; 
  padding: 24px;
}
.ad-slot--leaderboard { min-height: 90px; }
.ad-slot--rectangle { min-height: 280px; max-width: 336px; margin: 0 auto; }
.ad-slot--inline { min-height: 120px; margin: 48px 0; }

/* ---- Footer ---- */
.site-footer { 
  border-top: 1px solid var(--line); 
  padding: 56px 0 36px; 
  background: var(--bg-alt);
}
.footer-grid { 
  display: grid; 
  grid-template-columns: 1.4fr 1fr 1fr 1fr; 
  gap: 40px; 
}
@media (max-width: 760px) { 
  .footer-grid { 
    grid-template-columns: 1fr 1fr; 
  } 
}
.footer-grid h4 { 
  font-family: var(--font-mono); 
  font-size: 0.75rem; 
  letter-spacing: 0.1em; 
  text-transform: uppercase; 
  color: var(--ink-faint); 
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { 
  color: var(--ink-soft); 
  text-decoration: none; 
  font-size: 0.95rem;
  transition: var(--transition);
}
.footer-grid a:hover { 
  color: var(--primary);
}
.footer-bottom { 
  margin-top: 44px; 
  padding-top: 24px; 
  border-top: 1px solid var(--line); 
  display: flex; 
  justify-content: space-between; 
  flex-wrap: wrap; 
  gap: 12px; 
  font-size: 0.85rem; 
  color: var(--ink-faint); 
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.flex { display: flex; }
.gap-12 { gap: 12px; }
.flex-wrap { flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.divider { border: none; border-top: 1px solid var(--line); margin: 36px 0; }
.empty-state { 
  border: 1px solid var(--line); 
  border-radius: var(--radius-lg); 
  padding: 48px 28px; 
  text-align: center; 
  color: var(--ink-soft);
  background: var(--bg-alt);
}
.badge-count { 
  font-family: var(--font-mono); 
  font-size: 0.82rem; 
  color: var(--ink-faint);
  font-weight: 500;
}
.two-col { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 44px; 
}
@media (max-width: 860px) { 
  .two-col { 
    grid-template-columns: 1fr; 
  } 
}

/* ---- Toast Notifications ---- */
.toast {
  position: fixed; 
  bottom: 24px; 
  left: 50%; 
  transform: translateX(-50%) translateY(120%);
  background: var(--ink); 
  color: #fff; 
  padding: 14px 24px; 
  border-radius: var(--radius); 
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform .3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 100;
  box-shadow: var(--shadow-lg);
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ---- Animations ---- */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.card {
  animation: slideInUp 0.5s ease-out;
}

.section {
  animation: fadeIn 0.6s ease-out;
}