/* KRUTECH brand tokens, from brand/04-company-brand-kit/03-brand-tokens. */
:root {
  --kt-filament: #FFB45E;
  --kt-gold: #F6D89A;
  --kt-amber: #E8892E;
  --kt-ember: #B4460C;
  --kt-coal: #0F0907;
  --kt-smoke: #1C110C;
  --kt-ash: #A08A74;
  --kt-linen: #F3E6D3;
  --kt-border: #3A2418;
  --kt-gradient: linear-gradient(100deg, #B4460C, #E8892E 55%, #F6D89A);
  --kt-font-display: "Big Shoulders Display", "Oswald", "Arial Narrow", sans-serif;
  --kt-font-body: "IBM Plex Sans", system-ui, sans-serif;
  --kt-font-label: "IBM Plex Mono", ui-monospace, monospace;
  --kt-radius: 12px;
  --kt-dept-lighting: #E8892E;
  --kt-dept-power: #C8352B;
  --kt-dept-av: #2A72AE;
  --kt-dept-crew: #F6D89A;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--kt-coal);
  color: var(--kt-linen);
  font-family: var(--kt-font-body);
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--kt-font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.05;
}

a { color: var(--kt-filament); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

.label {
  font-family: var(--kt-font-label); font-weight: 500; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.3em; color: var(--kt-ash);
  margin: 0 0 12px;
}

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15, 9, 7, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--kt-border);
}
.top-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 72px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px;
}
.logo img { display: block; height: 64px; width: auto; }
.top nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.top nav a { color: var(--kt-linen); font-weight: 600; font-size: 0.95rem; }
.top nav a:hover { color: var(--kt-filament); text-decoration: none; }
.top nav a[aria-current="page"] { color: var(--kt-filament); box-shadow: inset 0 -2px 0 var(--kt-amber); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 8px; border: 0;
  background: var(--kt-amber); color: var(--kt-coal);
  font-family: var(--kt-font-body); font-weight: 600; font-size: 1rem;
  text-transform: uppercase; letter-spacing: 0.06em; cursor: pointer;
}
.btn:hover { text-decoration: none; background: var(--kt-filament); }
.btn-small { padding: 7px 14px; font-size: 0.85rem; }
.btn-ghost { background: transparent; color: var(--kt-linen); box-shadow: inset 0 0 0 1px var(--kt-border); }
.btn-ghost:hover { background: var(--kt-smoke); }

/* Page headers */
.hero {
  padding: 128px 0 112px;
  background:
    linear-gradient(90deg, rgba(15, 9, 7, 0.95) 0%, rgba(15, 9, 7, 0.7) 50%, rgba(15, 9, 7, 0.3) 100%),
    url("images/hero.jpg") center / cover no-repeat;
}
.hero h1 { font-size: clamp(2.8rem, 7vw, 5rem); margin: 0 0 20px; max-width: 14ch; }
.lead { color: var(--kt-linen); opacity: 0.85; font-size: 1.15rem; max-width: 56ch; margin: 0 0 32px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }

.banner { padding: 96px 0 72px; background-position: center; background-size: cover; }
.banner h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); margin: 0 0 8px; }
.banner p { color: var(--kt-linen); opacity: 0.85; margin: 0; font-size: 1.1rem; max-width: 56ch; }
.banner-services { background-image: linear-gradient(rgba(15, 9, 7, 0.55), rgba(15, 9, 7, 0.85)), url("images/services.jpg"); }
.banner-about { background-image: linear-gradient(rgba(15, 9, 7, 0.55), rgba(15, 9, 7, 0.85)), url("images/about.jpg"); }
.banner-contact { background-image: linear-gradient(rgba(15, 9, 7, 0.45), rgba(15, 9, 7, 0.85)), url("images/contact.jpg"); }

/* Sections */
.band { padding: 80px 0; border-top: 1px solid var(--kt-border); }
.band-alt { background: var(--kt-smoke); }
.band h2 { font-size: clamp(2rem, 4.5vw, 2.8rem); margin: 0 0 20px; }
.band p { max-width: 64ch; }
.muted { color: var(--kt-ash); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--kt-coal); border: 1px solid var(--kt-border);
  border-radius: var(--kt-radius); overflow: hidden; display: flex; flex-direction: column;
  color: var(--kt-linen);
}
a.card:hover { text-decoration: none; border-color: var(--kt-amber); }
.card img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.card-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.card h3 { margin: 0 0 8px; font-size: 1.6rem; }
.card p { color: var(--kt-ash); margin: 0; flex: 1; }
.card .more { margin-top: 16px; color: var(--kt-filament); }
.dept-lighting { border-top: 3px solid var(--kt-dept-lighting); }
.dept-power { border-top: 3px solid var(--kt-dept-power); }
.dept-av { border-top: 3px solid var(--kt-dept-av); }
.dept-crew { border-top: 3px solid var(--kt-dept-crew); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px;
         grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: step; }
.steps li { counter-increment: step; padding: 20px; border: 1px solid var(--kt-border); border-radius: var(--kt-radius); }
.steps li::before {
  content: counter(step, decimal-leading-zero); display: block;
  font-family: var(--kt-font-display); font-weight: 900; font-size: 2.4rem; color: var(--kt-amber); line-height: 1;
  margin-bottom: 8px;
}
.steps strong { display: block; margin-bottom: 4px; }
.steps span { color: var(--kt-ash); }

.cta { text-align: center; }
.cta p { margin: 0 auto 28px; color: var(--kt-ash); }

/* Services page: image + text, alternating */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split img.photo { width: 100%; height: auto; border-radius: var(--kt-radius); display: block; }
.dept-heading { display: flex; align-items: center; gap: 14px; }
.dept-chip { width: 18px; height: 18px; border-radius: 3px; flex: none; }
.dept-chip-lighting { background: var(--kt-dept-lighting); }
.dept-chip-power { background: var(--kt-dept-power); }
.dept-chip-av { background: var(--kt-dept-av); }
.dept-chip-crew { background: var(--kt-dept-crew); }
.split-flip .split-media { order: 2; }
.split ul { padding-left: 1.2em; color: var(--kt-ash); }
.split li { margin: 4px 0; }

/* About */
.values { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.values div { padding: 24px; border: 1px solid var(--kt-border); border-radius: var(--kt-radius); background: var(--kt-coal); }
.values h3 { margin: 0 0 8px; font-size: 1.6rem; color: var(--kt-filament); }
.values p { margin: 0; color: var(--kt-ash); }

/* Contact form */
.form { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; max-width: 820px; }
.form .full { grid-column: 1 / -1; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 0.95rem; }
.form input, .form textarea {
  font: inherit; font-weight: 400; color: var(--kt-linen); background: var(--kt-coal);
  border: 1px solid var(--kt-border); border-radius: 8px; padding: 10px 12px;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--kt-amber); outline-offset: 1px; }
.form fieldset { border: 1px solid var(--kt-border); border-radius: 8px; padding: 12px 16px; margin: 0; }
.form legend { font-weight: 600; font-size: 0.95rem; padding: 0 6px; }
.form fieldset label { display: inline-flex; flex-direction: row; align-items: center; gap: 6px; margin: 4px 18px 4px 0; font-weight: 400; }
.req { color: var(--kt-amber); }
.form-note { color: var(--kt-ash); font-size: 0.9rem; }

/* Footer */
footer { border-top: 1px solid var(--kt-border); padding: 28px 0; color: var(--kt-ash); font-size: 0.9rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
footer p { margin: 0; }

/* Landing page */
.landing { min-height: 100vh; display: flex; flex-direction: column; }
.landing-main {
  flex: 1; display: flex; align-items: center; text-align: center; padding: 48px 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(232, 137, 46, 0.18), transparent 60%), var(--kt-coal);
}
.landing-main .wrap { width: 100%; }
.landing-title { margin: 0 0 12px; }
.landing-title img { width: min(460px, 84vw); height: auto; }
.landing-tag { margin: 0 0 40px; }
.tiles { display: flex; flex-wrap: wrap; gap: 12px; max-width: 760px; margin: 0 auto; }
.tile {
  flex: 1 1 220px; display: flex; flex-direction: column; gap: 4px; text-align: left;
  padding: 18px 20px; border-radius: var(--kt-radius);
  background: var(--kt-smoke); border: 1px solid var(--kt-border); color: var(--kt-linen);
  transition: border-color 0.15s, transform 0.15s;
}
.tile:hover { text-decoration: none; border-color: var(--kt-amber); transform: translateY(-2px); }
.tile-main { flex-basis: 100%; border-color: var(--kt-ember); }
.tile-name { font-family: var(--kt-font-display); font-size: 1.6rem; font-weight: 900; text-transform: uppercase; line-height: 1.1; }
.tile-desc { color: var(--kt-ash); font-size: 0.95rem; }
.tile-main .tile-name { color: var(--kt-filament); }
.tile .lock { font-size: 0.75em; margin-left: 4px; }
.tile-locked .tile-desc::after { content: " · password required"; }
.landing-none { color: var(--kt-ash); }

@media (max-width: 760px) {
  .top-inner { justify-content: center; }
  .logo img { height: 52px; }
  .top nav { justify-content: center; gap: 16px; }
  .hero { padding: 80px 0 72px; background-position: 70% center; }
  .banner { padding: 64px 0 48px; }
  .band { padding: 56px 0; }
  .split { grid-template-columns: 1fr; gap: 24px; }
  .split-flip .split-media { order: 0; }
  .form { grid-template-columns: 1fr; }
}