/* ============================================================
   PIONEER TECHNICAL INSTITUTE — Design System
   Palette drawn from the workshop floor: charcoal steel, safety
   amber (like hazard signage / weld sparks), rust copper, and a
   warm cream that reads as paper/blueprint stock.
   ============================================================ */

:root {
  --charcoal: #1C1B19;
  --charcoal-soft: #2A2825;
  --steel: #46433D;
  --steel-light: #8A857A;
  --cream: #F6F2E9;
  --cream-dim: #EDE6D6;
  --amber: #F2A93B;
  --amber-dark: #C9821F;
  --rust: #B6532E;
  --white: #FFFFFF;

  --font-display: "Archivo Black", "Arial Black", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 2px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--charcoal);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0 0 0.5em;
  color: var(--charcoal);
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--steel); }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--rust);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--amber);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 2px solid var(--charcoal);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn-primary { background: var(--charcoal); color: var(--cream); }
.btn-primary:hover { background: var(--amber); border-color: var(--amber); color: var(--charcoal); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--charcoal); }
.btn-outline:hover { background: var(--charcoal); color: var(--cream); transform: translateY(-2px); }
.btn-light { border-color: var(--cream); color: var(--cream); }
.btn-light:hover { background: var(--amber); border-color: var(--amber); color: var(--charcoal); }

/* ---------- Header / Nav ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--charcoal);
  border-bottom: 3px solid var(--amber);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--cream);
}
.brand-mark {
  width: 40px; height: 40px;
  background: var(--amber);
  color: var(--charcoal);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  border-radius: var(--radius);
  flex-shrink: 0;
}
.brand-text { font-family: var(--font-display); text-transform: uppercase; font-size: 0.95rem; letter-spacing: 0.02em; }
.brand-text span { display: block; font-family: var(--font-mono); text-transform: none; font-size: 0.68rem; letter-spacing: 0.05em; color: var(--amber); margin-top: 2px; }

nav.main-nav { display: flex; gap: 28px; }
nav.main-nav a {
  color: var(--cream-dim);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--amber); border-color: var(--amber); }

.nav-toggle { display: none; background: none; border: 2px solid var(--cream); color: var(--cream); padding: 8px 10px; border-radius: var(--radius); cursor: pointer; }

@media (max-width: 860px) {
  nav.main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--charcoal); flex-direction: column; gap: 0;
    max-height: 0; overflow: hidden; transition: max-height 0.25s ease;
    border-bottom: 3px solid var(--amber);
  }
  nav.main-nav.open { max-height: 480px; }
  nav.main-nav a { padding: 16px 24px; border-bottom: 1px solid var(--steel); }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--charcoal);
  color: var(--cream);
  padding: 90px 0 70px;
  position: relative;
  overflow: hidden;
  border-bottom: 6px solid var(--amber);
}
.hero::after {
  content: "";
  position: absolute; right: -80px; top: -80px;
  width: 320px; height: 320px;
  border: 2px dashed var(--steel);
  border-radius: 50%;
  opacity: 0.4;
}
.hero .wrap { position: relative; z-index: 2; }
.hero h1 { color: var(--white); max-width: 760px; }
.hero p.lead { color: var(--cream-dim); font-size: 1.15rem; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

.hero-page {
  background: var(--charcoal);
  color: var(--cream);
  padding: 60px 0;
  border-bottom: 6px solid var(--amber);
}
.hero-page h1 { color: var(--white); }
.hero-page p { color: var(--cream-dim); max-width: 620px; }

/* ---------- Stat strip ---------- */
.stat-strip {
  background: var(--amber);
  color: var(--charcoal);
  padding: 28px 0;
}
.stat-row { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; }
.stat { flex: 1; min-width: 140px; text-align: center; }
.stat b { font-family: var(--font-display); font-size: 2.2rem; display: block; }
.stat span { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
section.tight { padding: 48px 0; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.alt { background: var(--cream-dim); }
.dark { background: var(--charcoal); color: var(--cream); }
.dark h2, .dark h3 { color: var(--white); }
.dark p { color: var(--cream-dim); }

/* ---------- Grids / Cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--white);
  border: 1px solid var(--cream-dim);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(28,27,25,0.12); }
.card-body { padding: 22px; }
.card-tag {
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--rust); margin-bottom: 8px; display: block;
}
.card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; background: var(--cream-dim); }

.course-card { border-left: 4px solid var(--amber); }
.course-card.short { border-left-color: var(--rust); }

.staff-card { text-align: left; }
.staff-card img { aspect-ratio: 1/1; }
.staff-card .card-body { padding: 16px 18px; }
.staff-card h3 { font-size: 1rem; margin-bottom: 2px; }
.staff-card .role { font-family: var(--font-mono); font-size: 0.75rem; color: var(--rust); text-transform: uppercase; letter-spacing: 0.04em; }
.staff-card .phone { font-family: var(--font-mono); font-size: 0.8rem; color: var(--steel); margin-top: 8px; }

.news-card .date { font-family: var(--font-mono); font-size: 0.72rem; color: var(--rust); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------- Values / feature list ---------- */
.feature-row { display: flex; gap: 18px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid var(--cream-dim); }
.feature-num { font-family: var(--font-mono); color: var(--amber-dark); font-size: 0.85rem; padding-top: 3px; }

/* ---------- Gallery ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.gallery-grid img { width: 100%; height: 220px; object-fit: cover; border-radius: var(--radius); }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Forms ---------- */
form { display: grid; gap: 16px; }
label { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--steel); display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--steel-light);
  border-radius: var(--radius); font-family: var(--font-body); font-size: 0.95rem;
  background: var(--white); color: var(--charcoal);
}
input:focus, select:focus, textarea:focus { outline: 3px solid var(--amber); outline-offset: 1px; border-color: var(--amber-dark); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--rust); color: var(--white);
  padding: 56px 0; text-align: center;
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255,255,255,0.85); }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--charcoal); color: var(--cream-dim); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-grid h4 { color: var(--cream); font-size: 0.85rem; margin-bottom: 14px; }
.footer-grid a, .footer-grid p { color: var(--steel-light); font-size: 0.9rem; }
.footer-grid a { display: block; margin-bottom: 8px; }
.footer-grid a:hover { color: var(--amber); }
.footer-bottom { border-top: 1px solid var(--steel); padding-top: 20px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--steel-light); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Utility ---------- */
.center { text-align: center; margin-left: auto; margin-right: auto; }
.loading-note { font-family: var(--font-mono); font-size: 0.8rem; color: var(--steel-light); }
.empty-state { padding: 40px; text-align: center; border: 2px dashed var(--steel-light); border-radius: var(--radius); color: var(--steel); }

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