/* ============================================================
   AARON KHAN — design tokens
   Palette:
     --charcoal   #1B1D1F  primary dark (header/footer, plates)
     --charcoal-2 #232629  secondary dark surface
     --parchment  #F3EFE6  primary light background
     --parchment-2 #EAE4D6 secondary light surface
     --ink        #22201C  body text on light
     --brass      #A6803C  primary accent
     --brass-dim  #8A6A31  brass hover/darker
     --steel      #4B5560  secondary accent (steel/circuit)
     --moss       #5B6B4E  tertiary accent (tactical/gaming)
     --rule       #D8D0BF  hairline rule on light
     --rule-dark  #3A3D40  hairline rule on dark
   Type:
     Display/headings — 'Spectral' serif
     Body — 'Inter' sans
     Labels / specs — 'IBM Plex Mono'
   ============================================================ */

:root {
  --charcoal: #1B1D1F;
  --charcoal-2: #232629;
  --parchment: #F3EFE6;
  --parchment-2: #EAE4D6;
  --ink: #22201C;
  --brass: #A6803C;
  --brass-dim: #8A6A31;
  --steel: #4B5560;
  --moss: #5B6B4E;
  --rule: #D8D0BF;
  --rule-dark: #3A3D40;

  --font-display: 'Spectral', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --measure: 62ch;
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--charcoal);
}

h1 { font-size: clamp(2.3rem, 4.5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1.1em; }

.measure { max-width: var(--measure); }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.btn-primary {
  background: var(--brass);
  color: var(--charcoal);
  border-color: var(--brass);
}
.btn-primary:hover { background: var(--brass-dim); border-color: var(--brass-dim); }

.btn-ghost {
  background: transparent;
  color: var(--parchment);
  border-color: rgba(243,239,230,0.4);
}
.btn-ghost:hover { border-color: var(--brass); color: var(--brass); }

.btn-outline {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
}
.btn-outline:hover { border-color: var(--brass); color: var(--brass-dim); }

/* ---------- Header ---------- */

.site-header {
  background: var(--charcoal);
  border-bottom: 1px solid var(--rule-dark);
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--parchment);
}

.brand svg { width: 34px; height: 34px; }

.brand-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.brand-text small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--brass);
  margin-top: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule-dark);
  color: var(--parchment);
  width: 42px;
  height: 42px;
  border-radius: 2px;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--parchment);
  margin: 0 auto;
  position: relative;
  transition: transform 160ms ease;
}
.nav-toggle span::before { position: absolute; top: -6px; width: 18px; }
.nav-toggle span::after { position: absolute; top: 6px; width: 18px; }

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  color: var(--parchment);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

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

@media (max-width: 780px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--charcoal);
    border-bottom: 1px solid var(--rule-dark);
    max-height: 0;
    overflow: hidden;
    transition: max-height 220ms ease;
  }
  .site-nav.open { max-height: 320px; }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 28px 20px;
  }
  .site-nav li { border-top: 1px solid var(--rule-dark); }
  .site-nav a { display: block; padding: 14px 0; }
}

/* ---------- Hero ---------- */

.hero {
  background: var(--charcoal);
  color: var(--parchment);
  padding: 88px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-eyebrow-free h1 { color: var(--parchment); }

.hero p.lede {
  font-size: 1.15rem;
  color: var(--parchment-2);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-plate {
  border: 1px solid rgba(166,128,60,0.5);
  background: var(--charcoal-2);
  padding: 26px 28px;
  border-radius: 2px;
}

.hero-plate .plate-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--brass);
  margin-bottom: 14px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--rule-dark);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.spec-row:first-of-type { border-top: none; }
.spec-row dt { color: var(--parchment-2); }
.spec-row dd { margin: 0; color: var(--brass); text-align: right; }

.hero-plate.light-plate {
  background: var(--parchment-2);
  border-color: var(--rule);
  color: var(--ink);
}
.hero-plate.light-plate .plate-label { color: var(--brass-dim); }
.hero-plate.light-plate .spec-row { border-color: var(--rule); }
.hero-plate.light-plate .spec-row dt { color: var(--steel); }
.hero-plate.light-plate .spec-row dd { color: var(--brass-dim); }

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
}

/* ---------- Sections ---------- */

section { padding: 84px 0; }

.section-alt { background: var(--parchment-2); }

.section-dark {
  background: var(--charcoal);
  color: var(--parchment-2);
}
.section-dark h2, .section-dark h3 { color: var(--parchment); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.section-head p { margin: 0; max-width: 40ch; color: var(--steel); }

hr.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0;
}

/* ---------- Plate grid (services / specs) ---------- */

.plate-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.plate {
  background: var(--parchment);
  padding: 34px 30px;
}

.plate .plate-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--brass-dim);
  display: block;
  margin-bottom: 16px;
}

.plate h3 { margin-bottom: 10px; }

.plate p { color: var(--steel); margin-bottom: 0; font-size: 0.98rem; }

@media (max-width: 860px) {
  .plate-grid { grid-template-columns: 1fr; }
}

/* ---------- Blog cards ---------- */

.post-list {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
}

.post-row {
  background: var(--parchment);
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 26px 4px;
  text-decoration: none;
  color: inherit;
}

.post-row .post-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass-dim);
  letter-spacing: 0.04em;
}

.post-row h3 { margin: 0 0 6px; font-size: 1.2rem; }
.post-row p { margin: 0; color: var(--steel); font-size: 0.95rem; }

.post-row .post-tag {
  align-self: start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--moss);
  border: 1px solid var(--moss);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

@media (max-width: 700px) {
  .post-row { grid-template-columns: 1fr; gap: 8px; }
}

article.post-body {
  max-width: var(--measure);
  margin: 0 auto;
}

article.post-body h2 { margin-top: 1.6em; }

.post-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass-dim);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.field {
  margin-bottom: 22px;
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--steel);
  margin-bottom: 8px;
}

.field input,
.field textarea {
  width: 100%;
  background: var(--parchment);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
}

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

.contact-info dl {
  margin: 0;
}
.contact-info dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--brass-dim);
  margin-top: 24px;
}
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { margin: 6px 0 0; font-size: 1.05rem; }

.form-note {
  font-size: 0.88rem;
  color: var(--steel);
  margin-top: 4px;
}

/* ---------- Legal pages ---------- */

.legal-body h2 {
  margin-top: 2em;
  font-size: 1.35rem;
}
.legal-body h2:first-child { margin-top: 0; }
.legal-body ul { padding-left: 1.2em; }
.legal-body li { margin-bottom: 0.5em; }
.legal-updated {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass-dim);
  margin-bottom: 34px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--charcoal);
  color: var(--parchment-2);
  padding: 56px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--rule-dark);
}

.footer-grid h4 {
  color: var(--parchment);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-grid li { margin-bottom: 10px; }
.footer-grid a {
  text-decoration: none;
  color: var(--parchment-2);
  font-size: 0.92rem;
}
.footer-grid a:hover { color: var(--brass); }

.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--parchment-2); max-width: 34ch; font-size: 0.92rem; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--steel);
}

.footer-bottom a { text-decoration: none; color: var(--steel); }
.footer-bottom a:hover { color: var(--brass); }

@media (max-width: 780px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* ---------- Misc content blocks ---------- */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; }
}

.pull-quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.4;
  color: var(--charcoal);
  border-left: 2px solid var(--brass);
  padding-left: 24px;
  margin: 36px 0;
}

.tag-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.tag-list li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 5px 12px;
  color: var(--steel);
}