/* ===========================================================
   Atlantic Tech Partners — Stylesheet
   Design system: navigational chart aesthetic
   - Ink Navy (headers/nav), Deep Harbor (accents), Sea Fog (bg)
   - Brass (call-to-action / highlight accent)
   - Fraunces (display), IBM Plex Sans (body), IBM Plex Mono (labels)
   =========================================================== */

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

:root {
  --ink-navy: #142A3D;
  --deep-harbor: #1F4966;
  --sea-fog: #F1F3EF;
  --paper: #FBFAF7;
  --brass: #A9782F;
  --brass-light: #C4964F;
  --depth-green: #3E5C50;
  --text-ink: #1C2530;
  --text-muted: #5B6773;
  --line: #D8DDD5;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

/* --- Eyebrow / coordinate-style labels --- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
}

/* --- Sounding-line divider (signature element) --- */
.sounding {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
}
.sounding span {
  flex: none;
  width: 1px;
  background: var(--line);
}
.sounding span:nth-child(3n)   { height: 14px; }
.sounding span:nth-child(3n+1) { height: 8px; }
.sounding span:nth-child(3n+2) { height: 5px; }
.sounding-row { display: flex; gap: 5px; align-items: flex-end; height: 16px; }

/* --- Header / Nav --- */
header.site-header {
  background: var(--ink-navy);
  color: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: 1120px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.brand .mark {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.brand .mark svg { width: 100%; height: 100%; }
nav.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 34px;
}
nav.primary-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #C7D2DA;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
nav.primary-nav a:hover,
nav.primary-nav a[aria-current="page"] {
  color: var(--paper);
  border-bottom-color: var(--brass);
}
.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav-inner { flex-wrap: wrap; gap: 14px; }
  nav.primary-nav ul { flex-wrap: wrap; gap: 18px 22px; }
}

/* --- Hero --- */
.hero {
  background: var(--ink-navy);
  color: var(--paper);
  padding: 84px 0 96px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 4vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}
.hero p.lede {
  font-size: 1.08rem;
  color: #CBD4DA;
  max-width: 46ch;
  margin-bottom: 34px;
}
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 13px 24px;
  border-radius: 2px;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn-brass {
  background: var(--brass);
  color: var(--ink-navy);
  font-weight: 500;
}
.btn-brass:hover { background: var(--brass-light); }
.btn-outline {
  border: 1px solid #4A6478;
  color: var(--paper);
}
.btn-outline:hover { border-color: var(--brass); color: var(--brass-light); }

/* --- Hero chart panel (signature visual) --- */
.chart-panel {
  border: 1px solid #2C4A63;
  background: #102437;
  padding: 26px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #9FB1BE;
}
.chart-panel .row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed #26425A;
}
.chart-panel .row:last-child { border-bottom: none; }
.chart-panel .row strong {
  color: var(--paper);
  font-weight: 500;
}
.chart-panel .label { color: var(--brass-light); }

/* --- Sections --- */
section { padding: 78px 0; }
section.alt { background: var(--sea-fog); }
section.navy { background: var(--ink-navy); color: var(--paper); }

.section-head { max-width: 62ch; margin-bottom: 48px; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 2.6vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-head p { color: var(--text-muted); font-size: 1.02rem; }
section.navy .section-head p { color: #B9C4CC; }

/* --- Service / value grid --- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.card {
  background: var(--paper);
  padding: 32px 28px;
}
.card .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brass);
  margin-bottom: 16px;
  display: block;
}
.card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.card p { color: var(--text-muted); font-size: 0.96rem; }

@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; }
}

/* --- Two column text block --- */
.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: start;
}
.split .body p { margin-bottom: 18px; color: var(--text-ink); }
.split .body p:last-child { margin-bottom: 0; }

@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
}

/* --- Stat / coordinate strip --- */
.coord-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #2C4A63;
  border-bottom: 1px solid #2C4A63;
}
.coord-strip .item {
  padding: 26px 24px;
  border-left: 1px solid #2C4A63;
}
.coord-strip .item:first-child { border-left: none; }
.coord-strip .k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 8px;
}
.coord-strip .v {
  font-family: var(--font-display);
  font-size: 1.3rem;
}

@media (max-width: 760px) {
  .coord-strip { grid-template-columns: repeat(2, 1fr); }
  .coord-strip .item:nth-child(3) { border-left: none; }
}

/* --- Contact cards --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.contact-card { background: var(--paper); padding: 36px 32px; }
.contact-card .eyebrow { margin-bottom: 18px; }
.contact-card .big-link {
  font-family: var(--font-display);
  font-size: 1.5rem;
  display: block;
  margin-bottom: 6px;
}
.contact-card .big-link:hover { color: var(--brass); }
.contact-card .meta { color: var(--text-muted); font-size: 0.92rem; }

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* --- Simple form --- */
form.inquiry { display: grid; gap: 18px; max-width: 560px; }
form.inquiry label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: block;
}
form.inquiry input,
form.inquiry textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-ink);
}
form.inquiry input:focus,
form.inquiry textarea:focus {
  outline: none;
  border-color: var(--brass);
}
form.inquiry button {
  justify-self: start;
  border: none;
  cursor: pointer;
}

/* --- Footer --- */
footer.site-footer {
  background: var(--ink-navy);
  color: #A9B7C0;
  padding: 52px 0 32px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid #2C4A63;
  margin-bottom: 24px;
}
.footer-brand {
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 1.1rem;
}
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col .eyebrow { color: var(--brass-light); }
.footer-col a, .footer-col p { display: block; font-size: 0.92rem; margin-bottom: 8px; color: #A9B7C0; }
.footer-col a:hover { color: var(--paper); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #6D7E89;
  letter-spacing: 0.03em;
}

/* --- Breadcrumb / page header (inner pages) --- */
.page-header {
  background: var(--ink-navy);
  color: var(--paper);
  padding: 56px 0 48px;
}
.page-header h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
}
.page-header p {
  color: #B9C4CC;
  margin-top: 12px;
  max-width: 52ch;
}