/* ================================
   Angazi Concepts — Design Tokens
   Theme: Site plan / blueprint, built on a base of paper white,
   deep forest green and concrete grey, with a muted safety-amber
   used only for load-bearing moments.
================================= */

:root {
  --forest-900: #0F2019;
  --forest-800: #14291F;
  --forest-700: #1E4232;
  --forest-600: #275940;
  --forest-500: #2F6B4C;
  --amber: #C0812C;
  --amber-dim: #C0812C33;
  --paper: #FAF9F5;
  --paper-dim: #F1EFE8;
  --stone-200: #E7E4DA;
  --stone-300: #D9D5C9;
  --stone-500: #9C978B;
  --ink: #15201A;
  --ink-soft: #4B534C;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 2px;
}

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

body {
  margin: 0;
  background: var(--paper);
  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: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0 0 0.5em;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--forest-900);
}

p { margin: 0 0 1em; color: var(--ink-soft); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--amber);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  padding: 14px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--forest-800);
  color: var(--paper);
  border-color: var(--forest-800);
}
.btn-primary:hover { background: var(--forest-600); border-color: var(--forest-600); }

.btn-ghost {
  background: transparent;
  color: var(--forest-900);
  border-color: var(--stone-300);
}
.btn-ghost:hover { border-color: var(--forest-900); }

.btn-amber {
  background: var(--amber);
  color: var(--forest-900);
  border-color: var(--amber);
}
.btn-amber:hover { filter: brightness(1.08); }

/* ---------- Nav ---------- */
header.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 245, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--stone-200);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: var(--container);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--forest-900);
}

.logo-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.nav-links a {
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--forest-900); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--amber);
}

.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
  }
  .nav-cta .btn-ghost { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 90px 0 60px;
  overflow: hidden;
  border-bottom: 1px solid var(--stone-200);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  max-width: 12ch;
}

.hero-sub {
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 2em;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.corner-mark {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1.5px solid var(--stone-300);
  opacity: 0.9;
}
.corner-mark.tl { top: 24px; left: 24px; border-right: none; border-bottom: none; }
.corner-mark.br { bottom: 24px; right: 24px; border-left: none; border-top: none; }

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-tight { padding: 64px 0; }

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.bg-forest {
  background: var(--forest-900);
  color: var(--paper);
}
.bg-forest h1, .bg-forest h2, .bg-forest h3, .bg-forest h4 { color: var(--paper); }
.bg-forest p { color: #C9D2CB; }

.bg-dim { background: var(--paper-dim); }

/* ---------- Grids & Cards ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.card {
  background: var(--paper);
  border: 1px solid var(--stone-200);
  padding: 32px 28px;
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--forest-600); transform: translateY(-2px); }

.card .index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
  margin-bottom: 16px;
  display: block;
}

.audience-card {
  padding: 44px 36px;
  border: 1px solid var(--stone-200);
  background: var(--paper);
}
.audience-card.forest {
  background: var(--forest-900);
  color: var(--paper);
}
.audience-card.forest h3, .audience-card.forest p { color: var(--paper); }
.audience-card.forest p { color: #C9D2CB; }
.audience-card ul { padding-left: 0; list-style: none; margin: 24px 0 32px; }
.audience-card li {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px 0;
  border-top: 1px solid var(--stone-200);
  display: flex;
  gap: 12px;
}
.audience-card.forest li { border-top: 1px solid #ffffff22; }
.audience-card li:last-child { border-bottom: 1px solid var(--stone-200); }
.audience-card.forest li:last-child { border-bottom: 1px solid #ffffff22; }
.audience-card li::before { content: '—'; color: var(--amber); }

/* ---------- Stats strip ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--stone-300);
}
.stat {
  padding: 28px 24px;
  border-right: 1px solid var(--stone-300);
}
.stat:last-child { border-right: none; }
.stat .num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--forest-900);
  font-weight: 700;
}
.stat .label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--stone-500);
  margin-top: 6px;
}

/* ---------- Process steps ---------- */
.process-list { border-top: 1px solid var(--stone-300); }
.process-step {
  display: grid;
  grid-template-columns: 90px 1fr 1.4fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--stone-300);
  align-items: start;
}
.process-step .step-num {
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: 0.95rem;
}
.process-step h4 { margin-bottom: 8px; }

/* ---------- Footer ---------- */
footer {
  background: var(--forest-900);
  color: #C9D2CB;
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid #ffffff22;
}
.footer-grid h4 {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.footer-grid a, .footer-grid p { color: #C9D2CB; font-size: 0.92rem; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: #8FA096;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--forest-900);
  color: var(--paper);
  padding: 72px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--paper); font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.cta-banner .hero-actions { justify-content: center; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--stone-200);
}
.page-hero .eyebrow { margin-bottom: 20px; }
.page-hero h1 { font-size: clamp(2rem, 3.6vw, 2.8rem); max-width: 16ch; }
.page-hero p { max-width: 60ch; font-size: 1.05rem; }

/* ---------- Contact form ---------- */
.form-wrap {
  background: var(--paper);
  border: 1px solid var(--stone-300);
  padding: 40px;
}
.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--stone-300);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  border-radius: var(--radius);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--forest-600);
}
.field textarea { resize: vertical; min-height: 120px; }
.radio-row { display: flex; gap: 12px; }
.radio-option {
  flex: 1;
  border: 1px solid var(--stone-300);
  padding: 12px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.radio-option input { display: none; }
.radio-option.selected { border-color: var(--forest-700); background: var(--paper-dim); color: var(--forest-900); }

.form-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--stone-500);
  margin-top: 16px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--stone-200);
}
.contact-info-item:last-child { border-bottom: 1px solid var(--stone-200); }
.contact-info-item .ico { color: var(--amber); font-family: var(--font-mono); }

/* Keyboard focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-step { grid-template-columns: 1fr; gap: 10px; }
}

@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 16px 20px; }
  section { padding: 64px 0; }
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .radio-row { flex-direction: column; }
}