/* =============================================================================
   Black Fox Engineering Group — styles.css
   A single, modular stylesheet themed entirely through CSS custom properties.
   Sections:  1. Tokens  2. Reset/base  3. Layout  4. Components  5. Header/Nav
              6. Hero  7. About  8. Services  9. Capabilities  10. Why  11. Contact
              12. Footer  13. Motion/reveals  14. Responsive  15. Reduced motion
   ============================================================================= */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Palette — obsidian dark theme + steel-blue accent */
  --bg: #0B0E11;
  --surface: #12171D;
  --surface-2: #1A212A;
  --surface-3: #202935;
  --border: #232C36;
  --border-strong: #2E3A47;

  --text: #E6EBF0;
  --text-muted: #9AA7B4;
  --text-dim: #6C7884;

  --accent: #4C82B6;        /* steel */
  --accent-bright: #6FA3D6; /* hover / focus */
  --accent-deep: #2E5A86;
  --accent-soft: rgba(76, 130, 182, 0.14);

  --error: #E5645B;
  --success: #5FB98E;

  /* Typography */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Spacing scale (8px base) */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-5: 3rem;
  --sp-6: 4rem;
  --sp-7: 6rem;

  /* Layout */
  --container: 1200px;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --header-h: 76px;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 1px rgba(76, 130, 182, 0.35), 0 12px 40px rgba(46, 90, 134, 0.25);
  --ring: 0 0 0 3px rgba(111, 163, 214, 0.45);
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 2. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.12; font-weight: 700; margin: 0 0 0.5em; letter-spacing: -0.01em; }
p { margin: 0 0 1rem; }
a { color: var(--accent-bright); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text); }
img, svg { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 50%;
  top: -100px;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 200;
  transition: top var(--transition);
}
.skip-link:focus { top: 12px; color: #fff; }

/* ---------- 3. Layout ---------- */
.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }

.section { padding-block: clamp(4rem, 8vw, 7rem); position: relative; }

.section-head { max-width: 760px; margin-bottom: var(--sp-5); }

.eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-bright);
  margin: 0 0 0.9rem;
}

.section-heading { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
.section-intro { color: var(--text-muted); font-size: 1.08rem; max-width: 62ch; }
.lead { font-size: 1.12rem; color: var(--text); }
.accent-text { color: var(--accent-bright); }

/* ---------- 4. Components: buttons, chips ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition),
              border-color var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-bright); color: #fff; box-shadow: var(--shadow-glow); }

.btn-outline { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-outline:hover { color: #fff; border-color: var(--accent-bright); background: var(--accent-soft); }

.btn-sm { padding: 0.6rem 1.1rem; font-size: 0.88rem; }
.btn-block { width: 100%; }

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-display);
  transition: border-color var(--transition), background var(--transition);
}
.chip span { font-family: var(--font-body); font-weight: 400; color: var(--text-muted); font-size: 0.82rem; }
.chip:hover { border-color: var(--accent); }
.chip-muted { color: var(--text-muted); border-style: dashed; }
.chip-list { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* ---------- 5. Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 14, 17, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
.site-header.scrolled {
  background: rgba(11, 14, 17, 0.92);
  border-bottom-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1.5rem;
}

.brand { display: inline-flex; align-items: center; color: var(--text); }
.brand:hover { color: var(--text); }
/* The blackfoxeng.com logo is black-on-transparent; invert to crisp white on the dark theme */
.brand-logo { height: 42px; width: auto; display: block; filter: brightness(0) invert(1); transition: opacity var(--transition); }
.brand:hover .brand-logo { opacity: 0.82; }
.brand-logo-footer { height: 46px; }

.primary-nav { display: flex; align-items: center; }
.nav-menu { display: flex; align-items: center; gap: 1.6rem; }
.nav-menu a:not(.btn) {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.4rem 0;
}
.nav-menu a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--accent-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-menu a:not(.btn):hover,
.nav-menu a.active { color: var(--text); }
.nav-menu a:not(.btn):hover::after,
.nav-menu a.active::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  z-index: 110;
}
.nav-toggle-bar { width: 26px; height: 2px; background: var(--text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(560px, 88vh, 860px);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  /* Layered: photo placeholder (top, graceful) -> circuit pattern -> steel glow -> base gradient.
     Drop a real images/hero-bg.jpg in and it paints over the gradient automatically. */
  background-image:
    linear-gradient(180deg, rgba(11,14,17,0.55) 0%, rgba(11,14,17,0.82) 60%, var(--bg) 100%),
    url("images/hero-bg.jpg"),
    url("images/hero-pattern.svg"),
    radial-gradient(1200px 600px at 75% 18%, rgba(46,90,134,0.45), transparent 60%),
    linear-gradient(160deg, #0B0E11 0%, #10161D 45%, #0B0E11 100%);
  background-size: cover, cover, cover, cover, cover;
  background-position: center, center, center, center, center;
  background-repeat: no-repeat;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,14,17,0.7) 0%, transparent 55%);
}
.hero-inner { padding-block: clamp(3rem, 10vh, 7rem); max-width: 1100px; }
.hero-heading { font-size: clamp(2.4rem, 6.2vw, 4.4rem); margin-bottom: 1.2rem; white-space: nowrap; }
.hero-sub { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--text-muted); max-width: 58ch; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.4rem; }

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.6rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}
.trust-strip li { position: relative; padding-left: 1.4rem; }
.trust-strip li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.5em;
  width: 8px; height: 8px;
  background: var(--accent-bright);
  border-radius: 2px;
  transform: rotate(45deg);
}

.scroll-cue {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-pill);
  display: grid;
  place-items: start center;
  padding-top: 7px;
}
.scroll-cue span { width: 4px; height: 8px; border-radius: 2px; background: var(--accent-bright); animation: scrollcue 1.7s ease-in-out infinite; }
@keyframes scrollcue { 0%,100% { opacity: 0; transform: translateY(0); } 50% { opacity: 1; transform: translateY(8px); } }

/* ---------- 7. About ---------- */
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.value-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 2rem; margin-top: 2rem; }
.value-list li { padding-left: 1.1rem; border-left: 2px solid var(--accent); }
.value-name { display: block; font-family: var(--font-display); font-weight: 600; color: var(--text); margin-bottom: 0.2rem; }
.value-desc { display: block; color: var(--text-muted); font-size: 0.95rem; }

.about-media { position: relative; }
.media-frame {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 5;
  background-color: var(--surface);
  background-image:
    linear-gradient(150deg, rgba(46,90,134,0.45), rgba(11,14,17,0.85)),
    url("images/section-grid.svg");
  background-size: cover, 48px 48px;
  background-position: center, center;
  position: relative;
  overflow: hidden;
}
/* About media: civilian–government–military image collage */
.media-collage {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  gap: 6px;
  padding: 6px;
  background: var(--surface-2);
  background-image: none;
}
.collage-tile {
  border-radius: 8px;
  background-color: var(--surface-3);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 0;
  transition: transform var(--transition);
}
.media-collage:hover .collage-tile { transform: scale(1.012); }
.tile-civilian   { background-image: url("images/about-civilian.jpg"); }
.tile-government { background-image: url("images/about-government.jpg"); background-position: center 35%; }
.tile-military   { background-image: url("images/about-military.jpg"); }
.media-badge {
  position: absolute;
  left: 18px; bottom: 18px;
  background: rgba(11,14,17,0.78);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(6px);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
}
.media-badge-num { display: block; font-family: var(--font-display); font-weight: 700; color: var(--accent-bright); }
.media-badge-label { display: block; font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.12em; }

/* ---------- 8. Services ---------- */
.services { background: linear-gradient(180deg, var(--bg), var(--surface) 40%, var(--bg)); }
.group-title { font-family: var(--font-display); font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--accent-bright); margin: 2.6rem 0 1.4rem; }
.group-title:first-of-type { margin-top: 0; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.4rem; }
.card-grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
/* Balanced 2-up row (e.g. IT Support Services) that stacks on small screens */
.card-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 880px; }
@media (max-width: 640px) { .card-grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.card:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow-md); background: var(--surface-2); }
.card:hover::before { transform: scaleX(1); }

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent-bright);
  margin-bottom: 1.1rem;
}
.card-icon svg { width: 28px; height: 28px; }
.card-title { font-size: 1.18rem; margin-bottom: 0.5rem; }
.card p { color: var(--text-muted); font-size: 0.96rem; margin: 0; }
.card-quiet { background: transparent; border-style: dashed; display: flex; flex-direction: column; }
.card-link { margin-top: auto; padding-top: 0.6rem; font-family: var(--font-display); font-weight: 600; }

/* ---------- 9. Capabilities / Partnership & Teaming ---------- */
.capabilities { background: var(--bg); }
.cap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.4rem; }
.cap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.cap-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.cap-card-wide { grid-column: 1 / -1; }
.cap-title { font-size: 1.1rem; color: var(--text); margin-bottom: 1.1rem; display: flex; align-items: center; gap: 0.6rem; }
.cap-title::before { content: ""; width: 10px; height: 10px; background: var(--accent); transform: rotate(45deg); border-radius: 2px; flex: none; }
.cap-note { margin: 1rem 0 0; font-size: 0.84rem; color: var(--text-dim); }
.cap-lead { color: var(--text-muted); max-width: 92ch; margin-bottom: 1.3rem; font-size: 1.02rem; }
.cap-lead strong { color: var(--text); font-weight: 600; }

.id-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem 1.4rem; margin: 0; }
.id-list dt { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-muted); }
.id-list dd { margin: 0.15rem 0 0; font-family: var(--font-display); font-weight: 600; letter-spacing: 0.05em; }

@media (min-width: 880px) {
  .cap-card-ids { grid-column: span 1; }
}

/* ---------- 10. Why Black Fox ---------- */
.why { background: linear-gradient(180deg, var(--bg), var(--surface) 50%, var(--bg)); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.why-list { margin-top: 1.6rem; display: grid; gap: 0.9rem; }
.why-list li { position: relative; padding-left: 1.9rem; color: var(--text-muted); }
.why-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.45em;
  width: 12px; height: 12px;
  border: 2px solid var(--accent-bright);
  border-radius: 3px;
  transform: rotate(45deg);
}
.why-list strong { color: var(--text); font-weight: 600; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  text-align: left;
  transition: border-color var(--transition), transform var(--transition);
}
.stat:hover { border-color: var(--accent); transform: translateY(-3px); }
.stat-num { display: block; font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 5vw, 3rem); color: var(--accent-bright); line-height: 1; letter-spacing: -0.02em; }
.stat-label { display: block; margin-top: 0.6rem; color: var(--text-muted); font-size: 0.92rem; }

/* ---------- 11. Contact ---------- */
.contact { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-info { display: grid; gap: 1.2rem; margin: 2rem 0 1.4rem; }
.contact-info li { display: grid; gap: 0.15rem; }
.contact-label { font-family: var(--font-display); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--accent-bright); }
.contact-ids { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 1.6rem; }

.contact-form-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.4rem);
  box-shadow: var(--shadow-md);
}
.field { margin-bottom: 1.3rem; }
.field label { display: block; font-family: var(--font-display); font-weight: 600; font-size: 0.92rem; margin-bottom: 0.5rem; }
.req { color: var(--accent-bright); }
.field input, .field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  padding: 0.8rem 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent-bright); box-shadow: var(--ring); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--error); }
.field-error { display: block; color: var(--error); font-size: 0.82rem; margin-top: 0.4rem; min-height: 1em; }

.form-status { padding: 0.85rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1.2rem; font-weight: 500; font-size: 0.95rem; }
.form-status.is-success { background: rgba(95,185,142,0.12); border: 1px solid var(--success); color: var(--success); }
.form-status.is-error { background: rgba(229,100,91,0.12); border: 1px solid var(--error); color: var(--error); }
.form-fineprint { font-size: 0.82rem; color: var(--text-dim); margin: 1rem 0 0; text-align: center; }

/* ---------- 12. Footer ---------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-tagline { color: var(--text-muted); margin: 1rem 0 1.2rem; max-width: 36ch; }
.footer-capstatement, .footer-heading { font-family: var(--font-display); }
.footer-capstatement { font-weight: 600; }
.footer-heading { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-muted); margin: 0 0 1rem; }
.footer-links ul, .footer-contact ul { display: grid; gap: 0.7rem; }
.footer-links a, .footer-contact a { color: var(--text-muted); }
.footer-links a:hover, .footer-contact a:hover { color: var(--text); }

.social { display: flex; gap: 0.8rem; margin-top: 1.2rem; }
.social a {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.social a:hover { color: #fff; border-color: var(--accent-bright); background: var(--accent-soft); }

.footer-legal { border-top: 1px solid var(--border); padding-block: 1.6rem 2.2rem; }
.footer-legal p { margin: 0 0 0.6rem; font-size: 0.82rem; color: var(--text-dim); }
.footer-disclaimer { max-width: 90ch; line-height: 1.55; }

/* ---------- 13. Motion / scroll reveals ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 600ms ease, transform 600ms cubic-bezier(0.2,0.7,0.2,1); }
.js .reveal.is-visible { opacity: 1; transform: none; }
/* Subtle stagger for grouped children */
.js .card.reveal, .js .cap-card.reveal, .js .stat.reveal { transition-delay: 40ms; }

/* ---------- 14. Responsive ---------- */
@media (max-width: 940px) {
  .about-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 460px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    background: rgba(11,14,17,0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem 1.6rem;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    box-shadow: var(--shadow-md);
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; visibility: visible; }
  .nav-menu a:not(.btn) { padding: 0.7rem 0.2rem; font-size: 1.05rem; }
  .nav-menu a:not(.btn)::after { display: none; }
  .nav-cta { margin-top: 0.5rem; }
  .nav-cta .btn { width: 100%; }

  .value-list, .stat-grid, .id-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 80vh; }
  .hero-heading { white-space: normal; }
}

@media (max-width: 420px) {
  .brand-logo { height: 34px; }
  .btn { width: 100%; }
  .hero-actions .btn { width: 100%; }
}

/* ---------- 15. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
  .scroll-cue span { animation: none; opacity: 1; }
  .btn:hover, .card:hover, .stat:hover { transform: none; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .scroll-cue, .hero-actions, .nav-toggle, .contact-form-wrap { display: none !important; }
  body { background: #fff; color: #000; }
}