/* ==========================================================================
   TOKENS — palette, type scale, spacing. Shared design system.
   ========================================================================== */
:root {
  --graphite-950: #0c0f12;
  --graphite-900: #12161b;
  --graphite-800: #1a2027;
  --slate-700: #2a323b;
  --slate-600: #454f59;
  --slate-500: #67717c;
  --slate-400: #8b939c;
  --slate-300: #b3bac0;
  --slate-200: #d6dade;
  --paper-100: #eceeef;
  --paper-50: #f4f2ee;
  --paper-0: #faf9f7;
  --surface-2-light: #ebe8e2;

  --amber-300: #f2a768;
  --amber-500: #e8792a;
  --amber-600: #c25f18;
  --cyan-300: #93d4da;
  --cyan-500: #4fb8c4;
  --cyan-700: #2f8a95;

  --ground: var(--graphite-950);
  --surface: var(--graphite-900);
  --surface-2: var(--graphite-800);
  --border: var(--slate-700);
  --border-strong: var(--slate-600);
  --text-primary: var(--paper-100);
  --text-secondary: var(--slate-400);
  --text-tertiary: var(--slate-500);
  --accent: var(--amber-500);
  --accent-hover: var(--amber-300);
  --accent-ink: var(--graphite-950);
  --accent-soft: rgba(232, 121, 42, 0.14);
  --trace: var(--cyan-500);
  --trace-soft: rgba(79, 184, 196, 0.14);

  --font-display: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
  --space-9: 96px; --space-10: 128px; --space-11: 192px; --space-12: 256px;

  --text-2xs: 0.6875rem;
  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: 1.125rem;
  --text-md: 1.3125rem;
  --text-lg: 1.625rem;
  --text-xl: clamp(1.6rem, 1.3rem + 1.2vw, 2.0625rem);
  --text-2xl: clamp(1.9rem, 1.5rem + 1.8vw, 2.625rem);
  --text-3xl: clamp(2.2rem, 1.6rem + 2.6vw, 3.3125rem);
  --text-4xl: clamp(2.6rem, 1.8rem + 3.4vw, 4.25rem);
  --text-5xl: clamp(2.9rem, 1.8rem + 4.8vw, 5.375rem);

  --measure: 40rem;
  --container: 74rem;
  --radius: 2px;
  --nav-h: 76px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --ground: var(--paper-50);
    --surface: var(--paper-0);
    --surface-2: var(--surface-2-light);
    --border: var(--slate-200);
    --border-strong: var(--slate-300);
    --text-primary: var(--graphite-900);
    --text-secondary: var(--slate-600);
    --text-tertiary: var(--slate-500);
    --accent: var(--amber-600);
    --accent-hover: var(--amber-500);
    --accent-ink: var(--paper-0);
    --accent-soft: rgba(194, 95, 24, 0.08);
    --trace: var(--cyan-700);
    --trace-soft: rgba(47, 138, 149, 0.08);
    color-scheme: light;
  }
}
:root[data-theme="dark"] {
  --ground: var(--graphite-950); --surface: var(--graphite-900); --surface-2: var(--graphite-800);
  --border: var(--slate-700); --border-strong: var(--slate-600);
  --text-primary: var(--paper-100); --text-secondary: var(--slate-400); --text-tertiary: var(--slate-500);
  --accent: var(--amber-500); --accent-hover: var(--amber-300); --accent-ink: var(--graphite-950);
  --accent-soft: rgba(232, 121, 42, 0.14); --trace: var(--cyan-500); --trace-soft: rgba(79, 184, 196, 0.14);
  color-scheme: dark;
}
:root[data-theme="light"] {
  --ground: var(--paper-50); --surface: var(--paper-0); --surface-2: var(--surface-2-light);
  --border: var(--slate-200); --border-strong: var(--slate-300);
  --text-primary: var(--graphite-900); --text-secondary: var(--slate-600); --text-tertiary: var(--slate-500);
  --accent: var(--amber-600); --accent-hover: var(--amber-500); --accent-ink: var(--paper-0);
  --accent-soft: rgba(194, 95, 24, 0.08); --trace: var(--cyan-700); --trace-soft: rgba(47, 138, 149, 0.08);
  color-scheme: light;
}

/* ==========================================================================
   RESET / BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background 200ms ease, color 200ms ease;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; font-weight: 400; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, dl { list-style: none; margin: 0; padding: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--accent-soft); color: var(--text-primary); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

@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; }
}

.visually-hidden {
  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: fixed; top: -100%; left: var(--space-5); z-index: 200;
  background: var(--accent); color: var(--accent-ink); padding: 10px 16px;
  font-family: var(--font-mono); font-size: var(--text-xs); border-radius: var(--radius);
  transition: top 150ms ease;
}
.skip-link:focus { top: var(--space-4); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-6); }
@media (max-width: 640px) { .container { padding: 0 var(--space-5); } }

.eyebrow {
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: .14em;
  text-transform: uppercase; color: var(--text-tertiary); display: inline-flex; align-items: center; gap: var(--space-3);
}
.eyebrow::before { content: ""; width: 20px; height: 1px; background: var(--accent); display: inline-block; flex-shrink: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: .1em; text-transform: uppercase;
  padding: 15px 26px; border-radius: var(--radius); border: 1px solid transparent;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; border-color: var(--border-strong); color: var(--text-primary); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-secondary); padding: 15px 10px; }
.btn-ghost:hover { color: var(--text-primary); }

/* ==========================================================================
   SITE HEADER / NAV
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, background 200ms ease;
}
.site-header.is-scrolled { border-bottom-color: var(--border); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }

.logo { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.logo-mark { color: var(--accent); flex-shrink: 0; }
.logo-word {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-primary);
}
.logo-tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-tertiary); border-left: 1px solid var(--border); padding-left: var(--space-3); margin-left: var(--space-1);
}
@media (max-width: 900px) { .logo-tag { display: none; } }

.nav-links { display: flex; align-items: center; gap: var(--space-7); }
.nav-links a {
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-secondary); transition: color 150ms ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text-primary); }
@media (max-width: 900px) { .nav-links { display: none; } }

.nav-actions { display: flex; align-items: center; gap: var(--space-4); }
.nav-actions .btn-primary { padding: 12px 20px; }
@media (max-width: 900px) { .nav-actions .btn-primary { display: none; } }

.theme-toggle {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-secondary);
  transition: color 150ms ease, border-color 150ms ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--border-strong); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }

.menu-toggle {
  display: none; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-primary); align-items: center; justify-content: center;
}
@media (max-width: 900px) { .menu-toggle { display: flex; } }
.menu-toggle svg { width: 18px; height: 18px; }
.menu-toggle .icon-menu-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-menu-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-menu-close { display: block; }

.mobile-menu {
  display: none; position: fixed; inset: var(--nav-h) 0 0 0; z-index: 90;
  background: var(--ground); border-top: 1px solid var(--border);
  padding: var(--space-7) var(--space-6); overflow-y: auto;
}
.mobile-menu.is-open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: var(--space-6); }
.mobile-menu a {
  font-family: var(--font-display); font-size: var(--text-2xl); letter-spacing: -0.01em; color: var(--text-primary);
}
.mobile-menu .btn { margin-top: var(--space-7); width: 100%; }

/* ==========================================================================
   HERO (homepage)
   ========================================================================== */
.hero { position: relative; padding: var(--space-11) 0 var(--space-10); overflow: hidden; border-bottom: 1px solid var(--border); }
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 46rem; }
.hero h1 {
  font-family: var(--font-display); font-size: var(--text-5xl); line-height: 1.03; letter-spacing: -0.02em;
  margin-top: var(--space-5); max-width: 18ch;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero .lede {
  font-size: var(--text-md); line-height: 1.6; color: var(--text-secondary);
  margin-top: var(--space-6); max-width: 34rem;
}
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); margin-top: var(--space-8); }
.hero-actions .btn-primary { padding: 17px 30px; font-size: var(--text-xs); }
.hero-note { font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--text-tertiary); letter-spacing: .04em; }

.hero-trace { position: absolute; top: 0; right: -4%; width: 56%; height: 100%; opacity: .9; pointer-events: none; }
@media (max-width: 1100px) { .hero-trace { opacity: .45; width: 70%; } }
@media (max-width: 700px) { .hero-trace { display: none; } }
.trace-base { fill: none; stroke: var(--border-strong); stroke-width: 2; }
.trace-pulse { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 60 900; animation: trace-flow 7s linear infinite; }
.trace-pulse-2 { fill: none; stroke: var(--trace); stroke-width: 2; stroke-dasharray: 40 900; animation: trace-flow 9s linear infinite reverse; }
.trace-node { fill: var(--surface); stroke: var(--border-strong); stroke-width: 2; }
.trace-node.is-accent { stroke: var(--accent); }
.trace-node.is-trace { stroke: var(--trace); }
@keyframes trace-flow { to { stroke-dashoffset: -960; } }
@media (prefers-reduced-motion: reduce) { .trace-pulse, .trace-pulse-2 { animation: none; opacity: 0; } }

/* ==========================================================================
   PAGE HERO (interior / vertical pages)
   ========================================================================== */
.back-link {
  display: flex; width: fit-content; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-secondary); margin-bottom: var(--space-6); transition: color 150ms ease;
}
.back-link:hover { color: var(--accent); }

.page-hero { padding: var(--space-9) 0 var(--space-10); border-bottom: 1px solid var(--border); }
.page-hero .eyebrow { margin-bottom: 0; }
.page-hero h1 {
  font-family: var(--font-display); font-size: var(--text-4xl); line-height: 1.05; letter-spacing: -0.015em;
  margin-top: var(--space-5); max-width: 20ch;
}
.page-hero .lede {
  font-size: var(--text-md); line-height: 1.6; color: var(--text-secondary);
  margin-top: var(--space-6); max-width: 38rem;
}
.page-hero-actions { display: flex; gap: var(--space-5); flex-wrap: wrap; margin-top: var(--space-8); }

.page-hero-meta {
  display: flex; gap: var(--space-9); flex-wrap: wrap;
  margin-top: var(--space-9); padding-top: var(--space-7); border-top: 1px solid var(--border);
}
.page-hero-meta dt { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-tertiary); }
.page-hero-meta dd { margin: 6px 0 0; font-size: var(--text-sm); color: var(--text-primary); max-width: 20rem; }

/* ==========================================================================
   SERVICES GRID (homepage) + service cards (shared)
   ========================================================================== */
.section { padding: var(--space-10) 0; border-bottom: 1px solid var(--border); }
.section-head { max-width: 40rem; margin-bottom: var(--space-8); }
.section-head h2 {
  font-family: var(--font-display); font-size: var(--text-3xl); letter-spacing: -0.015em; margin-top: var(--space-4);
}
.section-head p { font-size: var(--text-md); color: var(--text-secondary); margin-top: var(--space-4); }

.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
@media (max-width: 720px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  position: relative;
  border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-7);
  transition: border-color 150ms ease, transform 150ms ease;
}
.service-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.service-icon {
  width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--accent); margin-bottom: var(--space-6);
}
.service-icon svg { width: 22px; height: 22px; }
.service-card h3 { font-family: var(--font-display); font-size: var(--text-xl); letter-spacing: -0.01em; }
.service-card p { margin-top: var(--space-4); color: var(--text-secondary); font-size: var(--text-sm); line-height: 1.65; }
.service-tag {
  display: block; margin-top: var(--space-5); font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-tertiary);
}
.card-link {
  position: relative; display: inline-flex; align-items: center; gap: 6px; margin-top: var(--space-5);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent);
}
.card-link:hover { color: var(--accent-hover); }
.card-link::after { content: ""; position: absolute; inset: 0; }

/* Related-services grid (interior pages) */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 860px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  position: relative; border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-6);
  transition: border-color 150ms ease, transform 150ms ease;
}
.related-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.related-card .service-icon { width: 36px; height: 36px; margin-bottom: var(--space-5); }
.related-card .service-icon svg { width: 18px; height: 18px; }
.related-card h3 { font-family: var(--font-display); font-size: var(--text-lg); letter-spacing: -0.01em; }
.related-card p { margin-top: var(--space-3); color: var(--text-secondary); font-size: var(--text-sm); line-height: 1.6; }

/* ==========================================================================
   PROCESS / WORKFLOW STEPS
   ========================================================================== */
.process-list { display: flex; flex-direction: column; }
.process-step {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: var(--space-6);
  padding: var(--space-7) 0; border-top: 1px solid var(--border);
}
.process-step:first-child { border-top: none; padding-top: 0; }
.process-num { font-family: var(--font-display); font-style: italic; font-size: var(--text-2xl); color: var(--accent); line-height: 1; }
.process-step h3 { font-family: var(--font-display); font-size: var(--text-xl); letter-spacing: -0.01em; }
.process-step p { margin-top: var(--space-3); color: var(--text-secondary); font-size: var(--text-sm); line-height: 1.65; max-width: 42rem; }
@media (max-width: 640px) { .process-step { grid-template-columns: 1fr; gap: var(--space-2); } }

/* ==========================================================================
   STANDARDS LIST
   ========================================================================== */
.standards-list { border-top: 1px solid var(--border); }
.standard-row { display: grid; grid-template-columns: 11rem 1fr; gap: var(--space-6); padding: var(--space-5) 0; border-bottom: 1px solid var(--border); }
.standard-code { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .02em; color: var(--text-primary); padding-top: 2px; }
.standard-row p { color: var(--text-secondary); font-size: var(--text-sm); line-height: 1.65; }
@media (max-width: 640px) { .standard-row { grid-template-columns: 1fr; gap: var(--space-2); } }

/* ==========================================================================
   DELIVERABLES
   ========================================================================== */
.deliverables-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5) var(--space-7); }
@media (max-width: 640px) { .deliverables-grid { grid-template-columns: 1fr; } }
.deliverable-item { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--text-sm); color: var(--text-primary); }
.deliverable-item svg { flex-shrink: 0; margin-top: 3px; color: var(--accent); width: 16px; height: 16px; }

/* ==========================================================================
   CTA BANNER (interior pages)
   ========================================================================== */
.cta-banner-inner {
  border: 1px solid var(--border-strong); border-radius: var(--radius); padding: var(--space-8);
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); flex-wrap: wrap;
}
.cta-banner h2 { font-family: var(--font-display); font-size: var(--text-2xl); letter-spacing: -0.01em; max-width: 24ch; }
.cta-banner p { color: var(--text-secondary); margin-top: var(--space-3); max-width: 34rem; }
.cta-banner .btn { flex-shrink: 0; }

/* ==========================================================================
   TESTIMONIALS (homepage)
   ========================================================================== */
.testimonials-section { background: var(--surface); }
.carousel { position: relative; margin-top: var(--space-6); }
.carousel-track {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  border-radius: var(--radius);
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-slide {
  flex: 0 0 100%; scroll-snap-align: start; padding: var(--space-8);
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--ground);
}
.carousel-slide + .carousel-slide { margin-left: var(--space-6); }
.carousel-slide blockquote {
  margin: 0; font-family: var(--font-display); font-style: italic; font-size: var(--text-xl);
  line-height: 1.4; max-width: 40rem; color: var(--text-primary);
}
.carousel-slide cite {
  display: block; margin-top: var(--space-6); font-style: normal; font-family: var(--font-mono);
  font-size: var(--text-2xs); letter-spacing: .08em; text-transform: uppercase; color: var(--text-tertiary);
}
.carousel-slide cite b { color: var(--text-secondary); font-weight: 400; }

.carousel-controls { display: flex; align-items: center; justify-content: center; gap: var(--space-6); margin-top: var(--space-6); }
.carousel-btn {
  width: 40px; height: 40px; border: 1px solid var(--border); border-radius: var(--radius);
  display: grid; place-items: center; color: var(--text-secondary); transition: color 150ms ease, border-color 150ms ease;
}
.carousel-btn:hover { color: var(--accent); border-color: var(--border-strong); }
.carousel-btn svg { width: 16px; height: 16px; }
.carousel-dots { display: flex; gap: var(--space-3); }
.carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); transition: background 150ms ease, transform 150ms ease; }
.carousel-dot[aria-selected="true"] { background: var(--accent); transform: scale(1.2); }

/* ==========================================================================
   CONTACT (homepage)
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: var(--space-10); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: var(--space-8); } }

.contact-info h2 { font-family: var(--font-display); font-size: var(--text-3xl); letter-spacing: -0.015em; margin-top: var(--space-4); }
.contact-info p { color: var(--text-secondary); margin-top: var(--space-5); max-width: 30rem; }
.contact-detail-list { margin-top: var(--space-8); display: flex; flex-direction: column; gap: var(--space-5); }
.contact-detail dt { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-tertiary); }
.contact-detail dd { margin: 4px 0 0; font-size: var(--text-sm); color: var(--text-primary); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary); }
.field .optional { color: var(--text-tertiary); text-transform: none; letter-spacing: 0; }
.field input, .field select, .field textarea {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 13px 14px; font-size: var(--text-sm); color: var(--text-primary);
  transition: border-color 150ms ease;
}
.field textarea { resize: vertical; min-height: 120px; font-family: var(--font-body); }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--border-strong); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.field input:invalid:not(:placeholder-shown):not(:focus),
.field textarea:invalid:not(:placeholder-shown):not(:focus) { border-color: var(--amber-500); }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 8l5 5 5-5' stroke='%2367717c' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}
.field-error { font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--amber-500); min-height: 1em; }

.contact-form { margin-top: var(--space-7); }
.form-submit { display: flex; align-items: center; gap: var(--space-5); margin-top: var(--space-6); flex-wrap: wrap; }
.form-status { font-family: var(--font-mono); font-size: var(--text-xs); }
.form-status[data-state="success"] { color: var(--cyan-500); }
.form-status[data-state="error"] { color: var(--amber-500); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { padding: var(--space-8) 0 var(--space-9); }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-6); flex-wrap: wrap; margin-bottom: var(--space-8); }
.footer-links { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer-links a { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary); }
.footer-links a:hover { color: var(--accent); }

.stamp-grid { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 780px) { .stamp-grid { grid-template-columns: repeat(2, 1fr); } }
.stamp-cell { padding: var(--space-4) var(--space-5); border-left: 1px solid var(--border); }
.stamp-cell:first-child { border-left: none; }
.stamp-cell b { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-tertiary); font-weight: 400; margin-bottom: 6px; }
.stamp-cell span { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-primary); }