/* ============================================================
   CIVIC BUILD CO — Design tokens
   Palette: Deep Indigo-Charcoal / Cool Concrete / Emerald / Amber / Steel
   Display: Sora (contemporary geometric sans, confident headlines)
   Body: Plus Jakarta Sans (warm, modern, highly legible)
   Utility: JetBrains Mono (spec / tender reference codes)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root{
  --ink:        #161C2C;   /* deep indigo-charcoal - nav, headers, footer */
  --ink-2:      #232C42;   /* lighter panel tone */
  --concrete:   #F1F2EE;   /* page background - cool light grey */
  --concrete-2: #F7F7F3;   /* section-alt background */
  --rust:       #0F9D74;   /* primary accent - emerald */
  --amber:      #F2A93B;   /* secondary accent - warm amber, CTAs */
  --steel:      #5C6670;   /* secondary text, rules */
  --charcoal:   #1B2230;   /* body text */
  --white:      #FFFFFF;

  --display: 'Sora', sans-serif;
  --label:   'Sora', sans-serif;
  --body:    'Plus Jakarta Sans', sans-serif;
  --mono:    'JetBrains Mono', monospace;

  --max: 1180px;
}

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

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

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }

h1,h2,h3,h4{
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0;
  color: var(--ink);
}

.eyebrow{
  font-family: var(--label);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}
.eyebrow::before{
  content:"";
  width: 22px;
  height: 2px;
  background: var(--rust);
  display:inline-block;
}

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

/* ---------- header / nav ---------- */
.site-header{
  background: var(--ink);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 3px solid var(--amber);
}
.nav-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 20px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap: 10px;
  color: var(--white);
}
.brand-mark{
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: 0.01em;
  color: var(--white);
}
.brand-mark span{ color: var(--amber); }
.brand-sub{
  font-family: var(--label);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9FB0BE;
  display:none;
}
@media (min-width: 640px){ .brand-sub{ display:inline; } }

.nav-links{
  display:flex;
  gap: 28px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  font-family: var(--label);
  color: #D7DEE4;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-links a:hover, .nav-links a.active{
  color: var(--white);
  border-bottom-color: var(--amber);
}
.nav-toggle{ display:none; }

@media (max-width: 760px){
  .nav-links{
    position:absolute;
    top: 100%; left:0; right:0;
    background: var(--ink);
    flex-direction:column;
    padding: 8px 28px 20px;
    gap: 14px;
    display:none;
    border-bottom: 3px solid var(--amber);
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{
    display:inline-flex;
    background:none;
    border: 1px solid #3A5066;
    color: var(--white);
    padding: 8px 12px;
    font-size: 1.1rem;
    cursor:pointer;
    border-radius: 3px;
  }
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background: var(--ink);
  color: var(--white);
  overflow:hidden;
  padding: 84px 0 96px;
}
.hero::after{
  /* dashed survey line motif */
  content:"";
  position:absolute;
  left:0; right:0; bottom:0;
  height: 1px;
  background-image: linear-gradient(90deg, rgba(214,160,61,0.6) 0 10px, transparent 10px 20px);
  background-size: 20px 1px;
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width: 760px;
}
.hero h1{
  color: var(--white);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  margin-top: 18px;
}
.hero p.lede{
  font-size: 1.15rem;
  color: #C7D2DA;
  max-width: 560px;
  margin-top: 20px;
}
.hero .cta-row{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top: 34px;
}

/* skyline silhouette graphic */
.skyline{
  position:absolute;
  right: -40px; bottom: -1px;
  opacity: 0.9;
  width: min(52vw, 620px);
  z-index:1;
}
.skyline path{ fill: var(--ink-2); }
.skyline .rust{ fill: var(--rust); opacity:0.55; }

/* corner registration marks - signature element */
.regmark{
  position:absolute;
  width: 26px; height:26px;
  border-color: var(--amber);
  opacity:0.7;
}
.regmark.tl{ top:18px; left:18px; border-top:2px solid; border-left:2px solid; }
.regmark.br{ bottom:18px; right:18px; border-bottom:2px solid; border-right:2px solid; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 13px 26px;
  font-family: var(--label);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .12s ease, background .15s ease, color .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-amber{ background: var(--amber); color: var(--ink); font-weight:600; }
.btn-amber:hover{ background:#E4B155; }
.btn-outline{ border-color: rgba(255,255,255,0.4); color: var(--white); }
.btn-outline:hover{ border-color: var(--white); }
.btn-ink{ border-color: var(--ink); color: var(--ink); }
.btn-ink:hover{ background: var(--ink); color: var(--white); }

/* ---------- sections ---------- */
section{ padding: 88px 0; position:relative; }
.section-alt{ background: var(--concrete-2); }
.section-ink{ background: var(--ink); color: var(--white); }
.section-ink h2, .section-ink .eyebrow{ color: var(--white); }
.section-ink .eyebrow::before{ background: var(--amber); }

.section-head{ max-width: 640px; margin-bottom: 52px; }
.section-head h2{ font-size: clamp(2rem, 4vw, 2.8rem); margin-top: 14px; }
.section-head p{ color: var(--steel); margin-top: 16px; font-size: 1.05rem; }
.section-ink .section-head p{ color: #B9C4CC; }

/* spec tag - mono reference code, used because services genuinely map to tender/spec codes */
.spec-tag{
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--rust);
  letter-spacing: 0.08em;
  background: rgba(166,70,31,0.09);
  padding: 3px 8px;
  border-radius: 2px;
  display:inline-block;
}
.section-ink .spec-tag{ background: rgba(214,160,61,0.14); color: var(--amber); }

/* grid */
.grid{ display:grid; gap: 28px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){ .grid-3{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px){ .grid-3, .grid-2{ grid-template-columns: 1fr; } }

.card{
  background: var(--white);
  border: 1px solid #DEDACF;
  padding: 30px 26px;
  border-radius: 3px;
  position:relative;
}
.card h3{ font-size: 1.4rem; margin-top:12px; }
.card p{ color: var(--steel); margin-top:10px; font-size: 0.98rem; }
.card .regmark{ width:14px; height:14px; opacity:0.5; }
.card .regmark.tl{ top:10px; left:10px; }

/* directors */
.director{
  background: var(--white);
  border: 1px solid #E2E2DC;
  border-top: 4px solid var(--rust);
  padding: 0;
  border-radius: 3px;
}
.director-body{ padding: 30px 26px 32px; }
.director-body .role{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color: var(--rust);
}
.director-body h3{ margin-top: 8px; font-size: 1.5rem; }
.director-body p{ color: var(--steel); margin-top:12px; font-size: 0.95rem; }

/* project placeholder frames */
.project-frame{
  aspect-ratio: 4/3;
  background: repeating-linear-gradient(135deg, #DAD6CB 0 2px, var(--concrete-2) 2px 14px);
  border: 1px dashed var(--steel);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  color: var(--steel);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  text-align:center;
  padding: 16px;
}

/* divider with dashed survey line */
.dashline{
  border:0;
  height:1px;
  background-image: linear-gradient(90deg, rgba(92,107,117,0.5) 0 8px, transparent 8px 16px);
  background-size: 16px 1px;
  margin: 0;
}

/* value list */
.value-list{ list-style:none; margin:0; padding:0; display:grid; gap:22px; }
.value-list li{ display:flex; gap:16px; align-items:flex-start; }
.value-num{
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--white);
  background: var(--rust);
  min-width: 34px; height:34px;
  border-radius: 2px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.value-list h4{ font-family: var(--body); font-weight:700; font-size:1.05rem; }
.value-list p{ color: var(--steel); font-size:0.94rem; margin-top:4px; }

/* CTA band */
.cta-band{
  background: var(--rust);
  color: var(--white);
  padding: 64px 0;
  text-align:center;
}
.cta-band h2{ color: var(--white); font-size: clamp(1.8rem, 4vw, 2.6rem); }
.cta-band p{ color: #F3D9CB; max-width: 560px; margin: 16px auto 0; }
.cta-band .cta-row{ justify-content:center; margin-top: 30px; }

/* forms */
.form-grid{ display:grid; gap:18px; grid-template-columns: 1fr 1fr; }
.form-grid .full{ grid-column: 1 / -1; }
@media (max-width:640px){ .form-grid{ grid-template-columns: 1fr; } }
label{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color: var(--steel);
  display:block;
  margin-bottom:8px;
}
input, textarea, select{
  width:100%;
  padding: 12px 14px;
  border: 1px solid #C9C4B6;
  background: var(--white);
  font-family: var(--body);
  font-size: 0.98rem;
  color: var(--charcoal);
  border-radius: 2px;
}
input:focus, textarea:focus, select:focus{
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}
textarea{ resize: vertical; min-height: 130px; }

/* contact info blocks */
.info-block{ display:flex; gap:16px; align-items:flex-start; padding: 18px 0; }
.info-block + .info-block{ border-top: 1px solid #DEDACF; }
.info-block .label{ font-family:var(--mono); font-size:0.7rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--rust); min-width:120px; }

/* footer */
footer{
  background: var(--ink);
  color: #A9B6C0;
  padding: 56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
}
@media (max-width:760px){ .footer-grid{ grid-template-columns: 1fr; gap:28px; } }
footer h5{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
footer ul{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
footer a:hover{ color: var(--white); }
.footer-bottom{
  border-top: 1px solid #2A3E54;
  padding-top: 22px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size: 0.82rem;
  color: #7E8D98;
}

/* ---------- scroll reveal system ---------- */
.grid > *, .section-head, .cta-band .wrap, .info-block{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.16,.84,.44,1), transform .7s cubic-bezier(.16,.84,.44,1);
}
.grid > *.is-visible, .section-head.is-visible, .cta-band .wrap.is-visible, .info-block.is-visible{
  opacity: 1;
  transform: none;
}

/* ---------- hero entrance (pure CSS, no JS dependency) ---------- */
.hero-inner > *{
  animation: heroIn .8s cubic-bezier(.16,.84,.44,1) both;
}
.hero-inner .eyebrow{ animation-delay: .05s; }
.hero-inner h1{ animation-delay: .15s; }
.hero-inner .lede{ animation-delay: .3s; }
.hero-inner .cta-row{ animation-delay: .45s; }
@keyframes heroIn{
  from{ opacity:0; transform: translateY(20px); }
  to{ opacity:1; transform: none; }
}

/* ---------- sticky header scroll state ---------- */
.site-header{ transition: box-shadow .25s ease, padding .25s ease; }
.site-header.is-scrolled{ box-shadow: 0 8px 24px rgba(0,0,0,0.18); }

/* ---------- stat counters ---------- */
.stat-row{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width:760px){ .stat-row{ grid-template-columns: 1fr; } }
.stat-card{ text-align:center; padding: 6px 10px; }
.stat-number{
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  color: var(--amber);
  line-height:1;
}
.stat-label{
  font-family: var(--label);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #C7D2DA;
  margin-top: 10px;
}

/* ---------- process steps ---------- */
.step-row{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
@media (max-width:900px){ .step-row{ grid-template-columns: 1fr 1fr; } }
@media (max-width:560px){ .step-row{ grid-template-columns: 1fr; } }
.step-card{
  background: var(--white);
  border: 1px solid #DEDACF;
  padding: 26px 22px;
  border-radius: 3px;
  position:relative;
}
.step-card::before{
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--rust);
  display:block;
  margin-bottom: 14px;
}
.step-card h4{ font-family: var(--body); font-weight:700; font-size: 1.02rem; color: var(--ink); }
.step-card p{ color: var(--steel); font-size: 0.9rem; margin-top: 8px; }

@media (prefers-reduced-motion: reduce){
  .grid > *, .section-head, .cta-band .wrap, .info-block, .hero-inner > *{
    transition:none !important; animation:none !important; opacity:1 !important; transform:none !important;
  }
}
/* ---------- trust strip ---------- */
.trust-strip{
  background: var(--ink-2);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap: 22px 32px;
  padding: 26px 0;
}
.trust-item{
  display:flex;
  align-items:center;
  gap: 10px;
  color: #D7DEE4;
  font-family: var(--label);
  font-size: 0.86rem;
  font-weight: 600;
}
.trust-item .dot{
  width: 7px; height:7px;
  border-radius: 50%;
  background: var(--rust);
  flex-shrink:0;
}

/* ---------- difference grid (4-col feature list) ---------- */
.difference-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
@media (max-width:900px){ .difference-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width:560px){ .difference-grid{ grid-template-columns: 1fr; } }
.difference-card{ padding: 4px 2px; }
.difference-card .icon{
  width: 46px; height:46px;
  border-radius: 3px;
  background: rgba(15,157,116,0.1);
  color: var(--rust);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--display);
  font-weight:700;
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.difference-card h4{ font-family: var(--body); font-weight:700; font-size: 1.05rem; color: var(--ink); }
.difference-card p{ color: var(--steel); font-size: 0.92rem; margin-top: 8px; }

/* ---------- project filter tabs ---------- */
.filter-tabs{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-tab{
  font-family: var(--label);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 9px 18px;
  border: 1px solid #D7D4C8;
  background: var(--white);
  color: var(--steel);
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.filter-tab:hover{ border-color: var(--rust); color: var(--rust); }
.filter-tab.active{ background: var(--ink); border-color: var(--ink); color: var(--white); }
.project-card{ transition: opacity .25s ease, transform .25s ease; }
.project-card.is-hidden{ display:none; }
.project-tag{
  position:absolute;
  top: 12px; left: 12px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
}

.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--amber); color:var(--ink); padding:10px 16px; z-index:100;
}
.skip-link:focus{ left: 12px; top:12px; }

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