/* ============================================
   TrueHorizon — Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color tokens */
  --ink: #0B1220;
  --ink-soft: #131D32;
  --paper: #F7F5F0;
  --paper-dim: #EEEBE3;
  --amber: #F5A623;
  --amber-dim: #D8920F;
  --teal: #2A9D8F;
  --teal-dim: #1F756A;
  --graphite: #5C6470;
  --graphite-soft: #889099;
  --line: rgba(11, 18, 32, 0.12);
  --line-soft: rgba(247, 245, 240, 0.14);
  --white: #FFFFFF;

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  --radius: 6px;
  --max-width: 1180px;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

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

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============ Typography ============ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { color: var(--graphite); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-sm);
}

.eyebrow::before {
  content: '//';
  color: var(--amber-dim);
}

.lede {
  font-size: 1.15rem;
  color: var(--graphite);
  max-width: 60ch;
}

.mono { font-family: var(--font-mono); }

/* ============ Buttons ============ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color .15s ease;
}
.btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--amber);
  color: var(--ink);
}
.btn-primary:hover { background: var(--amber-dim); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--ink); }

.btn-ghost-light {
  background: transparent;
  border-color: var(--line-soft);
  color: var(--paper);
}
.btn-ghost-light:hover { border-color: var(--paper); }

/* ============ Header / Nav ============ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo .mark {
  width: 10px; height: 10px;
  background: var(--amber);
  border-radius: 2px;
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a { position: relative; padding: 0.25rem 0; }
.nav-links a:hover { color: var(--teal-dim); }
.nav-links a.active { color: var(--teal-dim); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 100%; height: 2px;
  background: var(--amber);
}

.nav-cta { display: flex; align-items: center; gap: 1rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    padding: 1.5rem;
    border-bottom: 1px solid var(--line);
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .logo { font-size: 1rem; }
  .nav-cta .btn-primary { padding: 0.7rem 1rem; font-size: 0.8rem; }
}

/* ============ Sections ============ */

section { padding: var(--space-2xl) 0; }
.section-tight { padding: var(--space-xl) 0; }

.section-dark {
  background: var(--ink);
  color: var(--paper);
}
.section-dark p { color: rgba(247,245,240,0.7); }
.section-dark .eyebrow { color: var(--amber); }
.section-dark .eyebrow::before { color: var(--teal); }

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-lg);
}

/* ============ Grids & Cards ============ */

.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color .2s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(11,18,32,0.08);
  border-color: var(--teal);
}

.card .icon-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--teal-dim);
  background: rgba(42,157,143,0.08);
  border: 1px solid rgba(42,157,143,0.25);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.85rem;
}

.card h3 { margin-bottom: 0.6rem; }
.card p { font-size: 0.95rem; }

.card-list {
  margin-top: 0.85rem;
  list-style: none;
  font-size: 0.88rem;
  color: var(--graphite);
}
.card-list li {
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.35rem;
}
.card-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--amber-dim);
}

/* ============ Hero ============ */

.hero {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.hero-trust {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.hero-trust .stat-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
}
.hero-trust .stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--graphite-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============ Terminal / Audit panel (signature element) ============ */

.audit-panel {
  background: var(--ink);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(11,18,32,0.35);
  border: 1px solid rgba(255,255,255,0.08);
}

.audit-panel-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: var(--ink-soft);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.audit-panel-bar span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
}
.audit-panel-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(247,245,240,0.5);
  margin-left: 0.5rem;
}

.audit-panel-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: rgba(247,245,240,0.85);
}

.audit-line {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px dashed rgba(255,255,255,0.08);
}
.audit-line:last-child { border-bottom: none; }

.audit-status {
  font-weight: 600;
}
.audit-status.ok { color: var(--teal); }
.audit-status.warn { color: var(--amber); }

.audit-summary {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.audit-score {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--amber);
}

/* ============ Process / numbered steps (real sequence) ============ */

.process-list { counter-reset: step; }
.process-step {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 1.5rem;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--line);
}
.process-step:first-child { padding-top: 0; }
.process-step:last-child { border-bottom: none; }
.process-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--amber-dim);
  padding-top: 0.2rem;
}

/* ============ Logos / marquee strip ============ */

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: var(--space-md) 0;
}
.strip-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--graphite-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============ FAQ ============ */

.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.4rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}
.faq-question .plus {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--amber-dim);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.faq-item.open .plus { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p {
  padding-bottom: 1.4rem;
  font-size: 0.95rem;
}

/* ============ Forms ============ */

.form-field {
  margin-bottom: 1.25rem;
}
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--graphite);
  margin-bottom: 0.5rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--ink);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}
.form-field textarea { resize: vertical; min-height: 120px; }

/* ============ Footer ============ */

.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-xl) 0 var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--graphite-soft);
  margin-bottom: 1rem;
  font-weight: 500;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.65rem; }
.footer-links a { color: rgba(247,245,240,0.75); font-size: 0.92rem; }
.footer-links a:hover { color: var(--amber); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: var(--space-md);
  font-size: 0.85rem;
  color: rgba(247,245,240,0.5);
  font-family: var(--font-mono);
}

/* ============ Page hero (inner pages) ============ */

.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--graphite-soft);
  margin-bottom: 1rem;
}
.breadcrumb a:hover { color: var(--teal-dim); }

/* ============ Utility ============ */

.text-center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  background: rgba(245,166,35,0.12);
  color: var(--amber-dim);
  border: 1px solid rgba(245,166,35,0.3);
  margin-bottom: 0.5rem;
}
.badge-teal {
  background: rgba(42,157,143,0.1);
  color: var(--teal-dim);
  border-color: rgba(42,157,143,0.3);
}

.cta-band {
  background: var(--ink);
  color: var(--paper);
  border-radius: 14px;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245,166,35,0.15), transparent 70%);
}
.cta-band h2 { margin-bottom: 0.75rem; }
.cta-band p { color: rgba(247,245,240,0.7); max-width: 50ch; margin: 0 auto var(--space-md); }
.cta-band .hero-ctas { justify-content: center; }

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--amber);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  z-index: 200;
  font-family: var(--font-mono);
}
.skip-link:focus { left: 1rem; top: 1rem; }