/* ============================================================
   Security Engineers — styles.css
   Palette + type system modeled on whythemove.com:
   near-black surface, hairline dividers, sharp corners,
   mono data labels, single accent color, no gradients/shadows.
   ============================================================ */

:root {
  --bg: #f7f7f7;
  --surface: #ffffff;
  --line: #d7d7d7;
  --line-strong: #b8b8b8;
  --text: #121212;
  --text-dim: #5c5c5c;
  --text-faint: #8a8a8a;
  --accent: #FDD302; /* yellow — signal / status color */
  --accent-dim: #fdf2b0;

  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --max-width: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 247, 247, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: 'Space Grotesk', var(--font-sans);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.logo span {
  background: var(--accent);
  color: var(--text);
  padding: 1px 3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-size: 14px;
  color: var(--text-dim);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

.nav-social {
  display: flex;
  align-items: center;
  gap: 18px;
}

.icon-link {
  color: var(--text-dim);
  display: inline-flex;
  padding: 3px;
  margin: -3px;
  transition: color 0.15s ease, background 0.15s ease;
}
.icon-link:hover {
  color: var(--text);
  background: var(--accent);
  border-radius: 3px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--text);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
}

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

.hero {
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  padding: 12px 0 40px;
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 28px;
}

.status-dot {
  width: 6px;
  height: 12px;
  background: var(--accent);
  display: inline-block;
  animation: status-blink 1.1s steps(1) infinite;
}

@keyframes status-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  max-width: 18ch;
  font-weight: 600;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 18px;
  max-width: 46ch;
  margin: 0 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 13px 22px;
  border: 1px solid var(--accent);
  color: var(--text);
  background: var(--accent);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn:hover {
  background: transparent;
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--text);
}

/* ---------- Ticker strip ---------- */

.ticker {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.ticker-item {
  padding: 14px 20px;
  border-right: 1px solid var(--line);
}
.ticker-item:last-child { border-right: none; }

.ticker-item .label { display: block; margin-bottom: 6px; }

.ticker-value {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--text);
}

/* ---------- Section scaffolding ---------- */

section {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

section:last-of-type { border-bottom: none; }

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

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.section-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}

/* ---------- Offering rows (Consulting) ---------- */

.offerings {
  border-top: 1px solid var(--line);
}

.offering-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.offering-row .tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text);
  background: var(--accent);
  padding: 4px 8px;
  align-self: start;
}

.offering-row p {
  margin: 0;
  color: var(--text-dim);
  max-width: 62ch;
  font-size: 16px;
}

/* ---------- Two-up feature (Architecture / Curriculum) ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-card {
  background: var(--surface);
  padding: 22px;
}

.feature-card .label { margin-bottom: 14px; display: block; }

.feature-card h3 {
  font-size: 19px;
  margin: 0 0 10px;
  font-weight: 600;
}

.feature-card p {
  color: var(--text-dim);
  margin: 0;
  font-size: 15px;
}

/* ---------- Philosophy / precision statement ---------- */

.statement {
  text-align: left;
}

.statement blockquote {
  margin: 0;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  line-height: 1.4;
  font-weight: 500;
  max-width: 30ch;
  letter-spacing: -0.005em;
}

.statement blockquote span {
  background: var(--accent);
  color: var(--text);
  padding: 0 4px;
}

/* ---------- Services page cards ---------- */

.service-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  background: var(--surface);
  padding: 20px 22px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
}

.service-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.service-card .label { display: block; margin-top: 8px; }

.service-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 15px;
  max-width: 64ch;
}

/* ---------- Labs page ---------- */

.labs-panel {
  border: 1px solid var(--line);
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.labs-panel h2 { margin-bottom: 10px; }
.labs-panel p { color: var(--text-dim); margin: 0; max-width: 52ch; }

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

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-top: 6px;
}

.contact-detail .label { margin-bottom: 4px; }

.contact-detail a {
  font-family: var(--font-mono);
  font-size: 16px;
}

.contact-detail a:hover {
  color: var(--text);
  background: var(--accent);
  padding: 0 4px;
  margin: 0 -4px;
}

form { display: grid; gap: 16px; }

.field { display: grid; gap: 8px; }

.field label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

input, textarea {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  color: var(--text);
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea { min-height: 120px; resize: vertical; }

.form-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  margin-top: -4px;
}

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

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

footer .label { color: var(--text-faint); }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature-grid { grid-template-columns: 1fr; }
  .ticker { grid-template-columns: repeat(2, 1fr); }
  .ticker-item:nth-child(2) { border-right: none; }
  .service-card { grid-template-columns: 1fr; gap: 10px; }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .nav-toggle { display: inline-block; }
  .offering-row { grid-template-columns: 1fr; gap: 8px; }
  .ticker { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}