/* =====================================================================
   Design tokens
   ===================================================================== */
:root {
  --ink: #212B2E;
  --paper: #EDF1EF;
  --paper-raised: #FFFFFF;
  --blueprint: #16233D;
  --blueprint-deep: #0E1729;
  --line: #B9C4C0;
  --accent: #2A6F97;      /* blueprint cerulean */
  --accent-deep: #1D4E6B;
  --brass: #A8763E;        /* survey-instrument brass */
  --brass-bright: #C99A5B;
  --ok: #3C7A5C;
  --danger: #B5473A;

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;

  --container: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  font-size: 16px;
}

a { color: inherit; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

/* =====================================================================
   Header
   ===================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(237, 241, 239, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 104px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--blueprint);
}

.brand .brand-mark {
  color: var(--accent);
}

.brand .brand-logo {
  height: 72px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  vertical-align: middle;
}

.brand small {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink);
  opacity: 0.6;
  letter-spacing: 0.08em;
}

nav.main-nav { display: flex; gap: 30px; }

nav.main-nav a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

nav.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right 0.25s ease;
}

nav.main-nav a:hover::after { right: 0; }

.nav-toggle { display: none; }

@media (max-width: 780px) {
  nav.main-nav {
    position: fixed;
    inset: 104px 0 0 0;
    background: var(--paper);
    flex-direction: column;
    padding: 24px 28px;
    gap: 20px;
    transform: translateY(-110%);
    transition: transform 0.3s ease;
  }
  nav.main-nav.open { transform: translateY(0); }
  .nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--line);
    border-radius: 6px;
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }
}

/* =====================================================================
   Hero — blueprint field with contour drift + coordinate lock
   ===================================================================== */
.hero {
  position: relative;
  background: var(--blueprint);
  color: #EAF0F5;
  overflow: hidden;
  padding: 96px 0 76px;
}

.hero .grid-field {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 42px 42px;
}

.hero .contours {
  position: absolute;
  inset: -10% -10%;
  width: 120%;
  height: 120%;
  opacity: 0.5;
}

.hero .contours path {
  fill: none;
  stroke: rgba(122, 179, 214, 0.5);
  stroke-width: 1;
}

.hero .contours .drift {
  animation: driftContours 26s ease-in-out infinite;
}

@keyframes driftContours {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-1.5%, 1%) scale(1.015); }
  100% { transform: translate(0, 0) scale(1); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
}

.hero .eyebrow { color: var(--brass-bright); }

.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.08;
  margin: 14px 0 20px;
  color: #FFFFFF;
}

.hero h1 em {
  font-style: normal;
  color: var(--brass-bright);
}

.hero p.lede {
  font-size: 1.08rem;
  color: #C7D6E0;
  max-width: 46ch;
  margin-bottom: 30px;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--brass-bright); color: #1B1204; }
.btn-primary:hover { background: #DBAE72; }

.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: #EAF0F5;
}
.btn-ghost:hover { border-color: #EAF0F5; }

.btn-solid {
  background: var(--accent);
  color: #fff;
}
.btn-solid:hover { background: var(--accent-deep); }

/* Coordinate readout panel — the signature element */
.coord-panel {
  background: rgba(14, 23, 41, 0.7);
  border: 1px solid rgba(122, 179, 214, 0.4);
  border-radius: 6px;
  padding: 22px 24px;
  font-family: var(--font-mono);
}

.coord-panel .coord-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7AB3D6;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.coord-panel .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #7EE0A6;
  box-shadow: 0 0 0 0 rgba(126,224,166,0.6);
  animation: pulseDot 1.8s ease-out infinite;
}

@keyframes pulseDot {
  0%   { box-shadow: 0 0 0 0 rgba(126,224,166,0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(126,224,166,0); }
  100% { box-shadow: 0 0 0 0 rgba(126,224,166,0); }
}

.coord-panel .coord-value {
  font-size: 1.3rem;
  color: #EAF0F5;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

.coord-panel .coord-sub {
  font-size: 0.78rem;
  color: #8FA4B3;
  border-top: 1px dashed rgba(122,179,214,0.3);
  margin-top: 14px;
  padding-top: 12px;
}

/* Project phases panel — the signature element */
.phase-panel {
  background: rgba(14, 23, 41, 0.7);
  border: 1px solid rgba(122, 179, 214, 0.4);
  border-radius: 6px;
  padding: 22px 24px;
  font-family: var(--font-mono);
}

.phase-panel .phase-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7AB3D6;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.phase-panel .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #7EE0A6;
  box-shadow: 0 0 0 0 rgba(126,224,166,0.6);
  animation: pulseDot 1.8s ease-out infinite;
  flex-shrink: 0;
}

.phase-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.phase-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px dashed rgba(122,179,214,0.25);
  color: #8FA4B3;
  font-size: 0.92rem;
  transition: color 0.5s ease;
}

.phase-item:first-child { border-top: none; }

.phase-item .phase-num {
  font-size: 0.78rem;
  color: #5E7A8C;
  width: 22px;
  flex-shrink: 0;
  transition: color 0.5s ease;
}

.phase-item.active {
  color: #EAF0F5;
}

.phase-item.active .phase-num {
  color: var(--brass-bright);
}

.phase-sub {
  font-size: 0.78rem;
  color: #8FA4B3;
  border-top: 1px dashed rgba(122,179,214,0.3);
  margin-top: 14px;
  padding-top: 12px;
}

/* =====================================================================
   Section scaffolding
   ===================================================================== */
section { padding: 84px 0; }

.section-head {
  max-width: 620px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-top: 10px;
  color: var(--blueprint);
}

.section-head p {
  color: #4A5457;
  margin-top: 14px;
}

/* =====================================================================
   Services — ruled ledger with measurement ticks
   ===================================================================== */
.services-list { border-top: 1px solid var(--line); }

.service-row {
  display: grid;
  grid-template-columns: 64px 1fr 1.3fr;
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

@media (max-width: 760px) {
  .service-row { grid-template-columns: 40px 1fr; }
  .service-row .service-desc { grid-column: 2; }
}

.service-tick {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-deep);
  padding-top: 4px;
}

.service-tick .measure {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--brass);
  margin-top: 8px;
}

.service-row h3 {
  font-size: 1.2rem;
  color: var(--blueprint);
  margin-bottom: 4px;
}

.service-desc { color: #46504F; font-size: 0.97rem; }

/* =====================================================================
   Portfolio — dynamic project grid
   ===================================================================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

@media (max-width: 900px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

.project-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-thumb {
  height: 168px;
  background: linear-gradient(135deg, var(--blueprint) 0%, var(--accent-deep) 100%);
  position: relative;
  overflow: hidden;
}

.project-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.project-thumb .placeholder-grid {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(255,255,255,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 20px 20px;
}

.project-body { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: rgba(42,111,151,0.09);
  display: inline-block;
  padding: 4px 8px;
  border-radius: 3px;
  margin-bottom: 10px;
  width: fit-content;
}

.project-body h3 { font-size: 1.05rem; color: var(--blueprint); margin-bottom: 8px; }
.project-body p { font-size: 0.9rem; color: #4A5457; flex: 1; }

.project-meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: #7A8683;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  display: flex;
  justify-content: space-between;
}

.portfolio-empty {
  font-family: var(--font-mono);
  color: #7A8683;
  padding: 30px 0;
}

/* =====================================================================
   About strip
   ===================================================================== */
.about {
  background: var(--paper-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.stat { border-left: 2px solid var(--brass); padding-left: 14px; }
.stat .num { font-family: var(--font-mono); font-size: 1.7rem; color: var(--blueprint); display: block; }
.stat .lbl { font-size: 0.82rem; color: #4A5457; }

/* =====================================================================
   Contact
   ===================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

@media (max-width: 850px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }

.field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blueprint);
}

.field input, .field textarea, .field select {
  font-family: var(--font-body);
  font-size: 0.96rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper-raised);
  color: var(--ink);
}

.field input:focus, .field textarea:focus, .field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.field textarea { resize: vertical; min-height: 110px; }

.form-msg {
  margin-top: 14px;
  font-size: 0.9rem;
  padding: 10px 14px;
  border-radius: 4px;
  display: none;
}
.form-msg.ok { display: block; background: rgba(60,122,92,0.12); color: var(--ok); }
.form-msg.err { display: block; background: rgba(181,71,58,0.12); color: var(--danger); }

.contact-info-card {
  background: var(--blueprint);
  color: #EAF0F5;
  border-radius: 6px;
  padding: 30px 28px;
  font-family: var(--font-mono);
}

.contact-info-card .row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(122,179,214,0.3);
  font-size: 0.88rem;
}
.contact-info-card .row:last-child { border-bottom: none; }
.contact-info-card .row span:first-child { color: #7AB3D6; }

/* =====================================================================
   Footer
   ===================================================================== */
footer {
  background: var(--blueprint-deep);
  color: #93A3AD;
  padding: 40px 0;
  font-size: 0.85rem;
}

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

footer a { text-decoration: none; color: #C7D6E0; }