/* ==========================================================================
   Fracture Group LLC — Design Tokens & Base Styles
   Palette derived from brand photography: matte black, olive drab tactical
   gear, brass/gold wordmark, khaki/tan support tones.
   ========================================================================== */

:root {
  /* Color tokens */
  --color-black: #0c0e0b;
  --color-charcoal: #16180f;
  --color-charcoal-2: #1f221a;
  --color-olive: #4b5320;
  --color-olive-light: #6b7a45;
  --color-olive-dim: #343a1a;
  --color-brass: #b08d57;
  --color-brass-light: #d9bc82;
  --color-tan: #e9e3d2;
  --color-tan-dim: #d8d0b8;
  --color-white: #f6f4ee;
  --color-gray: #9a9c8f;
  --color-gray-dark: #5c5e54;
  --color-success: #4b7a3f;
  --color-error: #a5432f;

  /* Semantic tokens */
  --bg-primary: var(--color-black);
  --bg-surface: var(--color-charcoal);
  --bg-surface-2: var(--color-charcoal-2);
  --bg-light: var(--color-tan);
  --text-on-dark: var(--color-white);
  --text-on-dark-muted: var(--color-gray);
  --text-on-light: var(--color-black);
  --text-on-light-muted: var(--color-gray-dark);
  --accent-primary: var(--color-olive-light);
  --accent-brass: var(--color-brass);
  --border-on-dark: rgba(246, 244, 238, 0.14);
  --border-on-light: rgba(12, 14, 11, 0.14);

  /* Typography */
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  /* Spacing scale (4/8px rhythm) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --space-9: 128px;

  /* Layout */
  --container-max: 1200px;
  --radius-sm: 2px;
  --radius-md: 4px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  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;
    scroll-behavior: auto !important;
  }
}

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

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

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

ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.1;
  margin: 0;
}

p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--color-brass-light);
  outline-offset: 3px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-6); }
}

section { position: relative; }

.section-pad {
  padding: var(--space-7) 0;
}

@media (min-width: 1024px) {
  .section-pad { padding: var(--space-9) 0; }
}

.bg-dark { background: var(--bg-primary); color: var(--text-on-dark); }
.bg-surface { background: var(--bg-surface); color: var(--text-on-dark); }
.bg-light { background: var(--bg-light); color: var(--text-on-light); }

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-brass);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  background: currentColor;
  display: inline-block;
}

.h1 { font-size: clamp(40px, 6vw, 84px); }
.h2 { font-size: clamp(30px, 4.5vw, 52px); }
.h3 { font-size: clamp(22px, 3vw, 30px); }
.h4 { font-size: 18px; letter-spacing: 0.04em; }

.lede {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.65;
  color: var(--text-on-dark-muted);
  max-width: 60ch;
}

.bg-light .lede { color: var(--text-on-light-muted); }

.text-muted { color: var(--text-on-dark-muted); }
.bg-light .text-muted { color: var(--text-on-light-muted); }

.mono-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  min-height: 48px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
  touch-action: manipulation;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-brass {
  background: var(--color-brass);
  color: var(--color-black);
}
.btn-brass:hover { background: var(--color-brass-light); }

.btn-outline {
  background: transparent;
  border-color: var(--border-on-dark);
  color: var(--text-on-dark);
}
.btn-outline:hover { border-color: var(--color-brass-light); color: var(--color-brass-light); }

.bg-light .btn-outline {
  border-color: var(--border-on-light);
  color: var(--text-on-light);
}
.bg-light .btn-outline:hover { border-color: var(--color-olive); color: var(--color-olive); }

.btn-olive {
  background: var(--color-olive);
  color: var(--color-white);
}
.btn-olive:hover { background: var(--color-olive-light); }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 14, 11, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-on-dark);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.logo svg { width: 36px; height: 36px; }

.logo-text {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.1;
}

.logo-text span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--color-brass);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .nav-links { display: flex; }
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  padding: var(--space-2) 0;
  border-bottom: 1px solid transparent;
  transition: color var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-on-dark);
  border-color: var(--color-brass);
}

.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-on-dark);
  border-radius: var(--radius-sm);
  color: var(--text-on-dark);
}
@media (min-width: 900px) { .nav-toggle { display: none; } }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) 0 var(--space-5);
  border-top: 1px solid var(--border-on-dark);
}

.mobile-menu.is-open { display: flex; }

.mobile-menu a {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-3) var(--space-2);
  color: var(--text-on-dark-muted);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.mobile-menu a[aria-current="page"] { color: var(--color-brass-light); }

@media (min-width: 900px) {
  .mobile-menu { display: none !important; }
}

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

.hero {
  padding: var(--space-8) 0 var(--space-7);
  background-color: var(--bg-primary);
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border-on-dark);
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
  align-items: end;
}

@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.4fr 1fr; }
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-on-dark);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

/* ==========================================================================
   Badge strip (certifications)
   ========================================================================== */

.badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-4) 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-on-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

.badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-olive-light);
  flex-shrink: 0;
}

.badge.pending .dot { background: var(--color-brass); }

.bg-light .badge { border-color: var(--border-on-light); color: var(--text-on-light-muted); }

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

.grid {
  display: grid;
  gap: var(--space-4);
}

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

@media (min-width: 700px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-on-dark);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}

.card:hover { border-color: var(--color-olive-light); }

.card .icon {
  width: 40px;
  height: 40px;
  color: var(--color-brass-light);
  margin-bottom: var(--space-4);
}

.card h3 { font-size: 18px; margin-bottom: var(--space-2); }

.bg-light .card {
  background: var(--color-white);
  border-color: var(--border-on-light);
}
.bg-light .card:hover { border-color: var(--color-olive); }

.stat {
  border-left: 2px solid var(--color-brass);
  padding-left: var(--space-3);
}

.stat .num {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  color: var(--text-on-dark);
  display: block;
}

.stat .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

/* ==========================================================================
   Data table (certifications / company data)
   ========================================================================== */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.data-table tr { border-bottom: 1px solid var(--border-on-dark); }
.bg-light .data-table tr { border-color: var(--border-on-light); }

.data-table th, .data-table td {
  text-align: left;
  padding: var(--space-3) var(--space-2);
  vertical-align: top;
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brass);
  width: 40%;
  font-weight: 500;
}

@media (max-width: 600px) {
  .data-table th { width: 45%; }
}

/* ==========================================================================
   Disclaimer / notice box
   ========================================================================== */

.notice {
  border: 1px solid var(--color-brass);
  background: rgba(176, 141, 87, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.notice .icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-brass);
  margin-top: 2px;
}

.notice p { font-size: 14px; color: var(--text-on-dark-muted); line-height: 1.6; }
.bg-light .notice p { color: var(--text-on-light-muted); }

/* ==========================================================================
   Photo blocks
   ========================================================================== */

.photo-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-on-dark);
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-tag {
  position: absolute;
  bottom: var(--space-3);
  left: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(12, 14, 11, 0.75);
  padding: 6px 10px;
  border: 1px solid var(--border-on-dark);
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-field label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

.form-field .required { color: var(--color-brass); }

.form-field input,
.form-field textarea,
.form-field select {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-on-dark);
  border-radius: var(--radius-sm);
  padding: 14px var(--space-3);
  font-size: 16px;
  color: var(--text-on-dark);
  min-height: 48px;
  transition: border-color var(--duration-base) var(--ease-out);
}

.form-field textarea { min-height: 140px; resize: vertical; }

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--color-brass);
  outline: none;
}

.form-field .hint { font-size: 13px; color: var(--text-on-dark-muted); }
.form-field .error-text { font-size: 13px; color: #e08a6f; display: none; }
.form-field.has-error .error-text { display: block; }
.form-field.has-error input,
.form-field.has-error textarea { border-color: var(--color-error); }

.form-row { display: grid; gap: var(--space-4); }
@media (min-width: 700px) { .form-row-2 { grid-template-columns: 1fr 1fr; } }

.form-status {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 14px;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.success { background: rgba(75, 122, 63, 0.15); border: 1px solid var(--color-success); }
.form-status.error { background: rgba(165, 67, 47, 0.15); border: 1px solid var(--color-error); }

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

.site-footer {
  border-top: 1px solid var(--border-on-dark);
  padding: var(--space-7) 0 var(--space-5);
  background: var(--color-black);
}

.footer-grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
}

.footer-links a {
  display: block;
  padding: var(--space-1) 0;
  color: var(--text-on-dark-muted);
  font-size: 14px;
}
.footer-links a:hover { color: var(--color-brass-light); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-on-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-on-dark-muted);
}

@media (min-width: 700px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

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

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-3);
  background: var(--color-brass);
  color: var(--color-black);
  padding: var(--space-2) var(--space-3);
  z-index: 1000;
  border-radius: var(--radius-sm);
  transition: top var(--duration-base) var(--ease-out);
}
.skip-link:focus { top: var(--space-3); }

.divider {
  height: 1px;
  background: var(--border-on-dark);
  border: none;
  margin: var(--space-6) 0;
}
.bg-light .divider { background: var(--border-on-light); }

/* Reveal-on-scroll (subtle, respects reduced motion) */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}