/* ============================================================
   DAGON IT — Design tokens
   Concept: an ancient guardian of the deep, watching for what
   surfaces. IT & cybersecurity consulting, expressed through
   sonar/instrument-panel visual language.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #0A1A27;          /* abyssal navy — page background */
  --ink-2: #10283A;        /* panel background, one step up */
  --surface: #163247;      /* card surface, two steps up */
  --line: rgba(220, 232, 233, 0.12);
  --foam: #DCE8E9;         /* primary text, pale sea-foam */
  --foam-dim: rgba(220, 232, 233, 0.62);
  --signal: #33C7B0;       /* bioluminescent teal — primary accent */
  --signal-dim: rgba(51, 199, 176, 0.14);
  --brass: #C89B5C;        /* instrument brass — secondary accent */
  --alert: #E4572E;        /* warning/alert */

  --display: 'Fraunces', Georgia, serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--foam);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; color: var(--foam-dim); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  display: flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 1em;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--signal);
  display: inline-block;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  padding: 13px 22px;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--signal);
  color: #06201C;
  font-weight: 500;
}
.btn-primary:hover { transform: translateY(-1px); background: #48d6c0; }
.btn-ghost {
  border-color: var(--line);
  color: var(--foam);
}
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(10, 26, 39, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--foam);
}
.brand strong { color: var(--foam); font-weight: 500; }
.brand span { color: var(--foam-dim); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.nav-links a {
  color: var(--foam-dim);
  position: relative;
  padding: 4px 0;
  transition: color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--signal); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1px;
  background: var(--signal);
}
.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 3px;
  width: 40px;
  height: 40px;
  color: var(--foam);
  cursor: pointer;
  font-size: 1.1rem;
}

@media (max-width: 820px) {
  .nav-links { position: fixed; top: 68px; left: 0; right: 0; background: var(--ink-2); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; padding: 20px 32px; gap: 18px; display: none; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-cta .btn-ghost { display: none; }
}

/* ---------- Sonar signature element ---------- */
.sonar {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
}
.sonar-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--signal);
  border-radius: 50%;
  opacity: 0;
  animation: ping 3.6s cubic-bezier(0.2, 0.6, 0.4, 1) infinite;
}
.sonar-ring:nth-child(2) { animation-delay: 1.2s; }
.sonar-ring:nth-child(3) { animation-delay: 2.4s; }
.sonar-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 14px; height: 14px;
  background: var(--signal);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 24px 6px var(--signal-dim);
}
.sonar-grid {
  position: absolute; inset: 8%;
  border: 1px solid var(--line);
  border-radius: 50%;
}
.sonar-grid::before, .sonar-grid::after {
  content: "";
  position: absolute;
  background: var(--line);
}
.sonar-grid::before { top: 50%; left: 0; right: 0; height: 1px; }
.sonar-grid::after { left: 50%; top: 0; bottom: 0; width: 1px; }

@keyframes ping {
  0% { transform: scale(0.15); opacity: 0.9; }
  80% { opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .sonar-ring { animation: none; opacity: 0.25; transform: scale(0.6); }
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 84px;
  border-bottom: 1px solid var(--line);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  color: var(--foam);
}
.hero h1 em {
  font-style: normal;
  color: var(--signal);
}
.hero .lede {
  font-size: 1.08rem;
  max-width: 46ch;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 48px; text-align: left; }
  .sonar { max-width: 280px; margin-top: 24px; }
}

/* ---------- Sections ---------- */
section { padding: 84px 0; }
.section-tight { padding: 64px 0; }
.section-head { max-width: 62ch; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.divider { border: none; border-top: 1px solid var(--line); margin: 0; }

/* ---------- Service cards ---------- */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card {
  background: var(--ink);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.service-card .num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--brass);
  letter-spacing: 0.08em;
}
.service-card h3 {
  font-size: 1.15rem;
  margin: 14px 0 10px;
}
.service-card p { font-size: 0.92rem; flex: 1; }
.service-card .go {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--signal);
  letter-spacing: 0.05em;
}

@media (max-width: 980px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Approach (process) ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.approach-step .num {
  font-family: var(--mono);
  color: var(--signal);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}
.approach-step h3 { margin-top: 12px; font-size: 1.2rem; }
@media (max-width: 820px) {
  .grid-3 { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- Trust strip ---------- */
.trust {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.trust .wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--foam-dim);
  flex-wrap: wrap;
}
.trust .dot { color: var(--brass); }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.cta-banner h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
.cta-banner .lede { max-width: 50ch; margin: 0 auto 28px; }
.cta-banner .hero-actions { justify-content: center; }

/* ---------- Service detail sections ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}
.service-detail:nth-child(even) .detail-visual { order: 2; }
.detail-visual {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px;
  min-height: 220px;
  position: relative;
  overflow: hidden;
}
.detail-visual .corner {
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--brass);
}
.detail-visual .corner.tl { top: 10px; left: 10px; border-right: none; border-bottom: none; }
.detail-visual .corner.br { bottom: 10px; right: 10px; border-left: none; border-top: none; }
.detail-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 12px;
}
.detail-list li {
  padding-left: 22px;
  position: relative;
  font-size: 0.95rem;
  color: var(--foam-dim);
}
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  border: 1px solid var(--signal);
  border-radius: 50%;
}
@media (max-width: 860px) {
  .service-detail { grid-template-columns: 1fr; }
  .service-detail:nth-child(even) .detail-visual { order: 0; }
}

/* ---------- Page header (interior pages) ---------- */
.page-header {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--line);
}
.page-header h1 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
.page-header .lede { max-width: 60ch; font-size: 1.05rem; }

/* ---------- About page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px;
}
.contact-card .row {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.contact-card .row:last-child { border-bottom: none; }
.contact-card .label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--brass);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.form-field { margin-bottom: 20px; }
.form-field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--foam-dim);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 12px 14px;
  color: var(--foam);
  font-family: var(--body);
  font-size: 0.95rem;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
  border-color: var(--signal);
}
.form-note {
  font-size: 0.82rem;
  color: var(--foam-dim);
  border-left: 2px solid var(--brass);
  padding-left: 12px;
  margin-top: 18px;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 56px 0 36px;
  border-top: 1px solid var(--line);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 36px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.footer-nav {
  display: flex;
  gap: 32px;
  font-family: var(--mono);
  font-size: 0.85rem;
  flex-wrap: wrap;
}
.footer-nav a { color: var(--foam-dim); }
.footer-nav a:hover { color: var(--signal); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--foam-dim);
}

/* focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}