/* ============================================
   KT DIESEL SERVICES — shared stylesheet
   Palette: asphalt / gunmetal / safety amber / diesel blue / bone
   ============================================ */

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

:root{
  --asphalt: #181614;
  --gunmetal: #33312E;
  --gunmetal-light: #47443F;
  --amber: #F5A300;
  --amber-dim: #b97e00;
  --diesel-blue: #2C4A63;
  --bone: #EDE8E0;
  --bone-dim: #B9B3A8;

  --display: 'Anton', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}

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

html{ scroll-behavior: smooth; }

body{
  background: var(--asphalt);
  color: var(--bone);
  font-family: var(--body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap{
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Scan-line signature ---------- */
@keyframes scan-sweep{
  0%{ transform: translateX(-100%); }
  100%{ transform: translateX(100%); }
}
.scan-divider{
  position: relative;
  height: 3px;
  background: var(--gunmetal-light);
  overflow: hidden;
  margin: 0;
}
.scan-divider::after{
  content:"";
  position:absolute;
  top:0; left:0;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  animation: scan-sweep 3.2s linear infinite;
}
@media (prefers-reduced-motion: reduce){
  .scan-divider::after{ animation: none; left: 30%; }
}

.readout{
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--amber);
}

/* ---------- Header ---------- */
header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(24,22,20,0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--gunmetal);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: 1140px;
  margin: 0 auto;
}
.logo{
  font-family: var(--display);
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  color: var(--bone);
}
.logo span{ color: var(--amber); }
nav ul{
  list-style:none;
  display:flex;
  gap: 32px;
}
nav a{
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bone-dim);
  transition: color .2s;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
nav a:hover, nav a.active{
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.call-btn{
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  background: var(--amber);
  color: var(--asphalt);
  font-weight: 600;
  padding: 10px 18px;
  white-space: nowrap;
}
.call-btn:hover{ background: var(--bone); }
.nav-toggle{ display:none; }

@media (max-width: 800px){
  nav ul{ display:none; }
  .header-inner{ padding: 16px 20px; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: 100px 0 80px;
  background:
    radial-gradient(ellipse at 80% -10%, rgba(44,74,99,0.35), transparent 55%),
    var(--asphalt);
  overflow: hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items:center;
}
.eyebrow{
  font-family: var(--mono);
  color: var(--amber);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display:flex;
  align-items:center;
  gap: 10px;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 2px;
  background: var(--amber);
}
.hero h1{
  font-family: var(--display);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: 0.005em;
  color: var(--bone);
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 em{
  font-style: normal;
  color: var(--amber);
}
.hero p.lede{
  font-size: 1.08rem;
  color: var(--bone-dim);
  max-width: 46ch;
  margin-bottom: 34px;
}
.btn-row{ display:flex; gap: 16px; flex-wrap: wrap; }
.btn{
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 15px 26px;
  display:inline-block;
  border: 1px solid var(--gunmetal-light);
  transition: all .2s;
}
.btn-primary{
  background: var(--amber);
  color: var(--asphalt);
  font-weight: 600;
  border-color: var(--amber);
}
.btn-primary:hover{ background: var(--bone); border-color: var(--bone); }
.btn-ghost{ color: var(--bone); }
.btn-ghost:hover{ border-color: var(--amber); color: var(--amber); }

/* Placeholder photo panel */
.photo-slot{
  position: relative;
  background: var(--gunmetal);
  border: 1px dashed var(--gunmetal-light);
  aspect-ratio: 4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow: hidden;
}
.photo-slot img{ width:100%; height:100%; object-fit:cover; position:absolute; inset:0; }
.photo-slot .label{
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-dim);
  text-align:center;
  padding: 0 20px;
  z-index: 2;
}
.photo-slot .label::before{
  content: "◱ ";
  color: var(--amber);
}
.photo-slot.tall{ aspect-ratio: 3/4; }
.photo-slot.wide{ aspect-ratio: 16/9; }

/* ---------- Section basics ---------- */
section{ padding: 84px 0; }
.section-head{ margin-bottom: 48px; max-width: 60ch; }
.section-head .eyebrow{ margin-bottom: 14px; }
.section-head h2{
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  text-transform: uppercase;
  line-height: 1.05;
}
.section-head p{ color: var(--bone-dim); margin-top: 14px; font-size: 1.02rem; }

.on-blue{ background: var(--diesel-blue); }
.on-gunmetal{ background: var(--gunmetal); }

/* ---------- Service grid ---------- */
.service-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gunmetal-light);
  border: 1px solid var(--gunmetal-light);
}
.service-card{
  background: var(--asphalt);
  padding: 34px 28px;
  transition: background .2s;
}
.service-card:hover{ background: var(--gunmetal); }
.service-card .code{
  font-family: var(--mono);
  color: var(--amber);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  display:block;
}
.service-card h3{
  font-family: var(--display);
  font-size: 1.25rem;
  text-transform: uppercase;
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}
.service-card p{ color: var(--bone-dim); font-size: 0.95rem; }

@media (max-width: 800px){
  .service-grid{ grid-template-columns: 1fr; }
  .hero-inner{ grid-template-columns: 1fr; }
}

/* ---------- Stats / spec strip ---------- */
.spec-strip{
  display:flex;
  border-top: 1px solid var(--gunmetal-light);
  border-bottom: 1px solid var(--gunmetal-light);
}
.spec-strip .spec{
  flex:1;
  padding: 26px 28px;
  border-right: 1px solid var(--gunmetal-light);
}
.spec-strip .spec:last-child{ border-right:none; }
.spec .num{
  font-family: var(--display);
  font-size: 2rem;
  color: var(--amber);
  text-transform: uppercase;
  display:block;
}
.spec .cap{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
@media (max-width: 700px){
  .spec-strip{ flex-wrap: wrap; }
  .spec-strip .spec{ flex: 1 1 50%; border-bottom: 1px solid var(--gunmetal-light); }
}

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--amber);
  color: var(--asphalt);
  padding: 56px 0;
  text-align:center;
}
.cta-band h2{
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.cta-band .btn-primary{ background: var(--asphalt); color: var(--amber); border-color: var(--asphalt); }
.cta-band .btn-primary:hover{ background: var(--gunmetal); color: var(--bone); }

/* ---------- Footer ---------- */
footer{
  background: var(--asphalt);
  border-top: 1px solid var(--gunmetal);
  padding: 52px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-grid h4{
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.footer-grid p, .footer-grid a{ color: var(--bone-dim); font-size: 0.94rem; margin-bottom: 8px; display:block; }
.footer-grid a:hover{ color: var(--amber); }
.footer-bottom{
  border-top: 1px solid var(--gunmetal);
  padding-top: 22px;
  display:flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--bone-dim);
  text-transform: uppercase;
}

@media (max-width: 700px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* ---------- Page header (interior pages) ---------- */
.page-header{
  padding: 64px 0 48px;
  background: var(--gunmetal);
}
.page-header h1{
  font-family: var(--display);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  text-transform: uppercase;
}
.page-header p{ color: var(--bone-dim); margin-top: 14px; max-width: 56ch; }

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- Two-col content block ---------- */
.two-col{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items:center;
}
@media (max-width: 800px){
  .two-col{ grid-template-columns: 1fr; }
}

/* ---------- Contact form ---------- */
.contact-block{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.form-field{ margin-bottom: 20px; }
.form-field label{
  display:block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bone-dim);
  margin-bottom: 8px;
}
.form-field input, .form-field textarea{
  width:100%;
  background: var(--gunmetal);
  border: 1px solid var(--gunmetal-light);
  color: var(--bone);
  padding: 13px 14px;
  font-family: var(--body);
  font-size: 0.95rem;
}
.form-field input:focus, .form-field textarea:focus{
  outline: none;
  border-color: var(--amber);
}
.contact-list{ list-style:none; }
.contact-list li{
  padding: 18px 0;
  border-bottom: 1px solid var(--gunmetal-light);
}
.contact-list .k{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  display:block;
  margin-bottom: 6px;
}
.contact-list .v{ font-size: 1.1rem; }

@media (max-width: 800px){
  .contact-block{ grid-template-columns: 1fr; }
}