/* =========================================================
   NK CONSTRUCTION — design tokens
   Palette: charcoal jobsite ink, concrete, paper, steel,
   signal orange (accent), blueprint (secondary accent)
   ========================================================= */
:root{
  --ink: #17181A;
  --ink-soft: #2A2C2F;
  --concrete: #E9E6DF;
  --paper: #F7F5F0;
  --steel: #5B5F63;
  --steel-light: #8B8F92;
  --green: #3A5C42;
  --green-dark: #2A4530;
  --sage: #5C6B57;
  --line: rgba(23,24,26,0.14);
  --line-soft: rgba(23,24,26,0.08);

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --wrap: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }
.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}
h1,h2,h3{
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0 0 0.4em;
  line-height: 1.05;
}
p{ margin: 0 0 1em; color: var(--steel); }
:focus-visible{
  outline: 3px solid var(--green);
  outline-offset: 2px;
}

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

/* ---------- shared bits ---------- */
.eyebrow, .section-tag, .form-id, .service-tag, .trust-label{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12.5px;
}
.section-tag{
  color: var(--green-dark);
  font-weight: 600;
  margin-bottom: 10px;
  display:block;
}
.section-tag.light{ color: var(--green); }
.section-title{
  font-size: clamp(28px, 4vw, 40px);
  max-width: 720px;
}
.section-title.light{ color: var(--paper); }

.btn{
  display:inline-block;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 15px;
  padding: 15px 30px;
  border: 2px solid var(--ink);
  text-decoration:none;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn-primary{
  background: var(--green);
  border-color: var(--green);
  color: var(--paper);
  font-weight: 600;
}
.btn-primary:hover{ background: var(--green-dark); border-color: var(--green-dark); transform: translateY(-1px); }
.btn-ghost{
  background: transparent;
  color: var(--paper);
  border-color: var(--paper);
}
.btn-ghost:hover{ background: var(--paper); color: var(--ink); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  text-decoration:none; color: var(--ink);
}
.brand-mark{ border-radius:50%; }
.brand-word{
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--green-dark);
}
.brand-word em{ font-style: normal; }

.nav{ display:flex; align-items:center; gap: 30px; }
.nav a{
  text-decoration:none;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover{ border-color: var(--green); }
.nav-cta{
  background: var(--ink);
  color: var(--paper) !important;
  padding: 10px 18px !important;
  border-bottom: none !important;
}
.nav-cta:hover{ background: var(--green-dark); }

.nav-toggle{
  display:none;
  flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding: 8px;
}
.nav-toggle span{ width:24px; height:2px; background: var(--ink); display:block; }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  background: var(--ink);
  color: var(--concrete);
  position: relative;
  overflow: hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 40px;
  padding-top: 88px;
  padding-bottom: 96px;
}
.hero-copy .eyebrow{ color: var(--green); margin-bottom: 18px; display:block; }
.hero-heading-row{
  display:flex;
  align-items:center;
  gap: 18px;
}
.hero-logo{
  flex-shrink:0;
  width: 64px;
  height: 64px;
}
.hero h1{
  color: var(--paper);
  font-size: clamp(24px, 3.2vw, 38px);
  max-width: 700px;
}
.hero-sub{
  color: var(--steel-light);
  max-width: 560px;
  font-size: 17px;
  margin-top: 16px;
}
.hero-actions{ display:flex; gap:16px; margin-top: 32px; flex-wrap: wrap; }

.hero-stamp{
  justify-self: center;
  transform: rotate(-9deg);
  opacity: 0.94;
  filter: drop-shadow(0 6px 18px rgba(0,0,0,0.35));
}
.hero-stamp img{ width: min(280px, 60vw); }

.hazard-strip{
  height: 6px;
  background: var(--green);
}

/* =========================================================
   TRUST STRIP
   ========================================================= */
.trust-strip{
  background: var(--concrete);
  border-bottom: 1px solid var(--line);
}
.trust-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 34px 28px;
  gap: 20px;
  text-align:center;
}
.trust-item{
  display:flex; flex-direction:column; gap:6px;
  border-left: 1px solid var(--line);
  padding-left: 20px;
}
.trust-item:first-child{ border-left:none; padding-left:0; }
.trust-num{
  font-family: var(--font-display);
  font-size: 26px;
  text-transform: uppercase;
  color: var(--green-dark);
}
.trust-label{ color: var(--steel); }

/* =========================================================
   SERVICES (stacked blocks)
   ========================================================= */
.services{ padding: 96px 0; }
.service-intro{ max-width: 680px; margin-top: 14px; }
.service-list{ margin-top: 20px; }
.service-block{
  display:grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 44px 0;
  border-top: 1px solid var(--line);
}
.service-block:first-child{ border-top: 1px solid var(--line); }
.service-block-label{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 13px;
  font-weight: 600;
  color: var(--green-dark);
}
.service-block h3{ font-size: 26px; margin-bottom: 6px; }
.service-block-sub{
  font-family: var(--font-body);
  font-style: italic;
  color: var(--steel);
  margin-bottom: 14px;
  font-size: 15.5px;
}
.service-block p{ max-width: 640px; }
.service-tags{
  display:flex; flex-wrap:wrap; gap: 8px;
  margin: 18px 0 20px;
  padding: 0; list-style: none;
}
.service-tags li{
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: 1px solid var(--line);
  padding: 6px 11px;
  color: var(--steel);
}
.service-cta{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--green-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.service-cta:hover{ color: var(--ink); }

/* =========================================================
   GALLERY
   ========================================================= */
.gallery{ padding: 96px 0; background: var(--concrete); }
.gallery-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 44px;
}
.gallery-item{ background: var(--paper); }
.gallery-item img{
  width: 100%; height: 300px;
  object-fit: cover;
  display:block;
}
.gallery-caption{
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--steel);
}

/* =========================================================
   PROCESS
   ========================================================= */
.process{ padding: 96px 0; background: var(--ink); }
.process-grid{
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 44px;
}
.process-step{ border-top: 3px solid var(--green); padding-top: 18px; }
.process-num{
  display:block;
  font-family: var(--font-mono);
  font-size: 30px;
  color: var(--green);
  margin-bottom: 10px;
}
.process-step h3{ color: var(--paper); font-size: 16px; margin-bottom: 8px; }
.process-step p{ color: var(--steel-light); font-size: 14px; margin-bottom: 0; }

/* =========================================================
   SERVICE AREA BANNER
   ========================================================= */
.service-area{ padding: 72px 0; text-align:center; }
.service-area .section-tag{ display:block; margin: 0 auto 10px; }
.service-area h2{ max-width: 640px; margin: 0 auto 16px; }
.service-area p{ max-width: 600px; margin: 0 auto 18px; }
.service-area-list{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 13px;
  color: var(--green-dark);
  font-weight: 600;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about{ padding: 96px 0; background: var(--concrete); }
.about-inner{
  display:grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items:center;
}
.about-copy p{ font-size: 16px; max-width: 520px; }
.about-stamp-panel{
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 40px;
  display:flex; align-items:center; justify-content:center;
}
.about-stamp-panel img{ width: 100%; max-width: 280px; }

/* =========================================================
   WHY US
   ========================================================= */
.why{ background: var(--ink); padding: 96px 0; }
.why-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 44px;
}
.why-item{
  border-top: 3px solid var(--green);
  padding-top: 18px;
}
.why-item h3{
  color: var(--paper);
  font-size: 17px;
  margin-bottom: 8px;
}
.why-item p{ color: var(--steel-light); font-size: 14.5px; margin-bottom: 0; }

/* =========================================================
   QUOTE FORM
   ========================================================= */
.quote{ padding: 96px 0; }
.quote-form-panel{
  background: var(--paper);
  border: 2px solid var(--ink);
  max-width: 760px;
  margin: 0 auto;
  padding: 48px;
  position: relative;
}
.quote-form-panel::before{
  content:"";
  position:absolute;
  top: -2px; left: -2px; right: -2px;
  height: 5px;
  background: var(--green);
}
.form-id{
  color: var(--green-dark);
  font-weight: 600;
  margin-bottom: 14px;
}
.quote-form-header h2{ font-size: clamp(26px, 3.4vw, 34px); }
.quote-sub{ max-width: 480px; }

.quote-form{ margin-top: 30px; }
.form-row{ margin-bottom: 22px; }
.form-row-split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
label{
  display:block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin-bottom: 8px;
}
label span{ color: var(--green-dark); }
input, select, textarea{
  width:100%;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--steel-light);
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus{
  border-color: var(--ink);
}
textarea{ resize: vertical; }
.btn-submit{ width:100%; border:2px solid var(--ink); margin-top: 6px; }
.form-note{
  font-size: 12.5px;
  margin-top: 14px;
  margin-bottom: 0;
  color: var(--steel-light);
}
.form-note span{ color: var(--green-dark); }

.form-success{ margin-top: 30px; }
.form-success h3{ font-size: 24px; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  background: var(--ink);
  color: var(--steel-light);
  padding: 44px 0;
}
.footer-inner{
  display:flex;
  flex-wrap: wrap;
  align-items:center;
  justify-content:space-between;
  gap: 20px;
}
.footer-brand{ display:flex; align-items:center; gap:12px; }
.footer-brand-text{ display:flex; flex-direction:column; gap:2px; }
.footer-tagline{
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--steel-light);
}
.footer-brand .brand-word{ color: var(--green); }
.footer-brand .brand-word em{ font-style:normal; }
.footer-contact{
  display:flex; gap: 24px; flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
}
.footer-contact a{ text-decoration:none; }
.footer-contact a:hover{ color: var(--green); }
.footer-fine{
  width:100%;
  font-size: 12px;
  border-top: 1px solid rgba(247,245,240,0.12);
  padding-top: 20px;
  margin: 8px 0 0;
}

.privacy-main{
  max-width: 860px;
  padding-top: clamp(40px, 7vw, 80px);
  padding-bottom: clamp(48px, 8vw, 96px);
}
.privacy-main h1{ font-size: clamp(36px, 6vw, 56px); }
.privacy-date{ font-family: var(--font-mono); font-size: 12px; }
.privacy-intro{ font-size: 18px; color: var(--ink-soft); }
.privacy-main section{
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.privacy-main h2{ font-size: clamp(24px, 3vw, 30px); margin-bottom: 16px; }
.privacy-main ul{ padding-left: 24px; color: var(--steel); }
.privacy-main li{ margin-bottom: 10px; }
.privacy-main a, .form-note a{ color: var(--green-dark); text-underline-offset: 3px; }
.privacy-main a{ overflow-wrap: anywhere; }
.privacy-main a:hover, .form-note a:hover{ text-decoration-thickness: 2px; }
.privacy-back{ display: inline-block; margin-top: 24px; font-weight: 600; }
.footer-fine a{ text-underline-offset: 3px; }
.footer-fine a:hover{ color: var(--paper); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; padding-top: 60px; }
  .hero-stamp{ justify-self:flex-start; order:-1; transform: rotate(-6deg); }
  .hero-stamp img{ width: 140px; }
  .hero-logo{ width: 44px; height: 44px; }
  .hero-heading-row{ gap: 12px; }
  .trust-grid{ grid-template-columns: repeat(2,1fr); }
  .trust-item:nth-child(3){ border-left:none; padding-left:0; }
  .service-block{ grid-template-columns: 1fr; gap: 10px; }
  .gallery-grid{ grid-template-columns: repeat(2,1fr); }
  .process-grid{ grid-template-columns: repeat(2,1fr); }
  .about-inner{ grid-template-columns: 1fr; }
  .about-stamp-panel{ order:-1; max-width: 320px; }
  .why-grid{ grid-template-columns: repeat(2,1fr); }
  .quote-form-panel{ padding: 32px 22px; }
}

@media (max-width: 640px){
  .nav{
    position:absolute; top:100%; left:0; right:0;
    background: var(--paper);
    flex-direction:column; align-items:flex-start;
    padding: 20px 28px 28px;
    border-bottom: 1px solid var(--line);
    display:none;
    gap: 18px;
  }
  .nav.open{ display:flex; }
  .nav-toggle{ display:flex; }
  .nav-cta{ margin-top: 6px; }
  .gallery-grid{ grid-template-columns: 1fr; }
  .process-grid{ grid-template-columns: 1fr; }
  .why-grid{ grid-template-columns: 1fr; }
  .form-row-split{ grid-template-columns: 1fr; gap:0; }
  .trust-grid{ grid-template-columns: 1fr 1fr; }
}