/* ================================================================
   LaFrance Manufacturing — Shared Stylesheet
   style.css — loaded by all pages
================================================================ */

/* ── Tokens ───────────────────────────────────────────────────── */
:root {
  --bg:            #1a1b1d;
  --surface:       #212326;
  --surface-raised:#282b2e;
  --border:        #313539;
  --border-faint:  #262a2e;
  --accent:        #c03030;
  --accent-dim:    rgba(192,48,48,0.10);
  --accent-blue:   #8ab4c8;
  --text:          #e8e4dc;
  --text-2:        #8a8a82;
  --text-muted:    #3e3e38;

  --f-display: 'Bebas Neue', sans-serif;
  --f-sub:     'Rajdhani', sans-serif;
  --f-body:    'Source Serif 4', serif;
  --f-mono:    'JetBrains Mono', monospace;

  --w: 1280px;
  --pad: 2.5rem;
  --nav-h: 62px;
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Layout ───────────────────────────────────────────────────── */
.w {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ── Reveal animations ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s cubic-bezier(.22,.68,0,1.1),
              transform 0.65s cubic-bezier(.22,.68,0,1.1);
}
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; }
.d2 { transition-delay: .2s; }
.d3 { transition-delay: .3s; }
.d4 { transition-delay: .4s; }

/* ── Type utilities ───────────────────────────────────────────── */
.label {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.label-amber { color: var(--accent); }

.hed {
  font-family: var(--f-display);
  line-height: 0.93;
  letter-spacing: 0.02em;
  color: var(--text);
}
.hed-xl  { font-size: clamp(4.5rem, 9vw, 9rem); }
.hed-lg  { font-size: clamp(3rem,   6vw, 6rem); }
.hed-md  { font-size: clamp(2rem,   4vw, 3.5rem); }
.hed-sm  { font-size: clamp(1.6rem, 3vw, 2.5rem); }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--f-sub);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-amber   { background: var(--accent); color: var(--bg); }
.btn-amber:hover { background: #d03535; }
.btn-ghost   { border: 1px solid var(--accent-blue); color: var(--accent-blue); }
.btn-ghost:hover { background: rgba(138,180,200,0.08); }
.btn-ghost-amber { border: 1px solid var(--accent); color: var(--accent); }
.btn-ghost-amber:hover { background: var(--accent-dim); }
.btn-invert  { background: var(--bg); color: var(--accent); border: 2px solid var(--bg); }
.btn-invert:hover { background: transparent; color: var(--bg); border-color: var(--bg); }

/* ── Navigation ───────────────────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e2dc;
  transition: border-color 0.35s;
}
#nav.scrolled { border-bottom-color: var(--accent); }

.nav-inner {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-logo {
  font-family: var(--f-sub);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #191a1c;
  margin-right: auto;
  flex-shrink: 0;
}
.nav-logo strong { color: var(--accent); font-weight: 700; }

.nav-links {
  display: flex;
  gap: 2.25rem;
  align-items: center;
}
.nav-links a {
  font-family: var(--f-sub);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #707070;
  transition: color 0.2s;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover,
.nav-links a.active { color: #191a1c; }
.nav-links a.active { border-bottom-color: var(--accent); }
.nav-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.nav-contact-btn {
  font-family: var(--f-sub);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 0.5rem 1.2rem;
  transition: background 0.2s;
  flex-shrink: 0;
}
.nav-contact-btn:hover { background: #d03535; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem var(--pad) 1.25rem;
  z-index: 199;
}
.nav-drawer.open { display: block; }
.nav-drawer a {
  display: block;
  padding: 0.9rem 0;
  font-family: var(--f-sub);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.nav-drawer a:last-child { border-bottom: none; }
.nav-drawer a:hover { color: var(--text); }

/* ── Alloy ticker band ────────────────────────────────────────── */
.alloy-band {
  background: var(--surface-raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 0.85rem 0;
}
.alloy-track {
  display: flex;
  white-space: nowrap;
  animation: alloy-scroll 24s linear infinite;
}
.alloy-track:hover { animation-play-state: paused; }
@keyframes alloy-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.alloy-item {
  flex-shrink: 0;
  font-family: var(--f-mono);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-2);
  padding: 0 2rem;
  border-right: 1px solid var(--border);
}
.alloy-item.hi { color: var(--accent); }

/* ── Callout strip ────────────────────────────────────────────── */
.callout-strip {
  background: var(--accent);
  padding: 3.5rem var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}
.callout-strip blockquote {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  color: var(--bg);
  line-height: 1.05;
  flex: 1;
  min-width: 220px;
  letter-spacing: 0.02em;
}

/* ── Footer ───────────────────────────────────────────────────── */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.footer-body {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding: 4rem var(--pad) 3rem;
  max-width: var(--w);
  margin: 0 auto;
}
.footer-logo {
  font-family: var(--f-sub);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.footer-logo strong { color: var(--accent); }
.footer-tagline {
  font-family: var(--f-mono);
  font-size: 0.63rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  line-height: 1.8;
}
.footer-col-head {
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}
.footer-nav { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav a {
  font-family: var(--f-sub);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--text); }
.footer-tel,
.footer-email {
  display: block;
  font-family: var(--f-mono);
  color: var(--accent);
  transition: color 0.2s;
  margin-bottom: 0.35rem;
}
.footer-tel  { font-size: 0.88rem; }
.footer-email{ font-size: 0.76rem; }
.footer-tel:hover,
.footer-email:hover { color: #d03535; }

.footer-bottom {
  max-width: var(--w);
  margin: 0 auto;
  padding: 1rem var(--pad);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy,
.footer-bottom a {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-bottom a:hover { color: var(--text-2); }

/* ── Spec panel (shared between pages) ───────────────────────── */
.spec-panel {
  background: var(--bg);
  border: 1px solid var(--border);
}
.spec-panel-head {
  padding: 0.8rem 1.25rem;
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border);
  font-family: var(--f-mono);
  font-size: 0.57rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.spec-panel-head::after { content: '■ ■ ■'; letter-spacing: 0.3em; color: var(--border); }
.spec-panel-rows { padding: 0 1.25rem; }
.spec-row {
  display: flex;
  align-items: baseline;
  padding: 0.6rem 0;
  border-bottom: 1px dotted var(--border);
  gap: 0.5rem;
}
.spec-row:last-child { border-bottom: none; }
.spec-key {
  font-family: var(--f-mono);
  font-size: 0.66rem;
  color: var(--text-2);
  white-space: nowrap;
  min-width: 130px;
  flex-shrink: 0;
}
.spec-val {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  color: var(--text);
  margin-left: auto;
  text-align: right;
  line-height: 1.65;
}
.spec-row--metals { align-items: flex-start; }

/* ── Section label + hed pattern ─────────────────────────────── */
.sh { margin-bottom: 4rem; }
.sh .label { display: block; margin-bottom: 1rem; }

/* ── Product rows (shared across index + products page) ──────── */
.product-rows { border-top: 1px solid var(--border); }
.prod-row {
  display: grid;
  grid-template-columns: 72px 1fr 1fr;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background 0.2s;
}
.prod-row::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.25s cubic-bezier(.22,.68,0,1.1);
}
.prod-row:hover { background: rgba(255,255,255,0.012); }
.prod-row:hover::before { transform: scaleY(1); }

.prod-num {
  font-family: var(--f-display);
  font-size: 3.8rem;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  padding: 2rem 0.75rem 2rem 1.75rem;
  opacity: 0.35;
  align-self: start;
  border-right: 1px solid var(--border);
}
.prod-left {
  padding: 2rem 1.75rem 2rem 2rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.prod-badge {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(200,146,42,0.18);
  padding: 0.22rem 0.6rem;
  display: inline-block;
  width: fit-content;
}
.prod-name {
  font-family: var(--f-display);
  font-size: clamp(1.6rem, 2.8vw, 2.6rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--text);
}
.prod-skus {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: auto;
}
.sku {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 0.18rem 0.45rem;
}
.prod-right {
  padding: 2rem 2.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
}
.prod-desc {
  font-size: 0.91rem;
  color: var(--text-2);
  line-height: 1.72;
}
.prod-cta {
  font-family: var(--f-sub);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  align-self: flex-start;
  transition: gap 0.2s;
}
.prod-cta::after { content: '→'; }
.prod-cta:hover { gap: 0.85rem; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  :root { --pad: 1.75rem; }

  .nav-links,
  .nav-contact-btn { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner { gap: 0.75rem; }

  .footer-body { grid-template-columns: 1fr 1fr; }
  .footer-body > :first-child { grid-column: 1 / -1; }
  .callout-strip { flex-direction: column; align-items: flex-start; }

  .prod-row { grid-template-columns: 52px 1fr; }
  .prod-right { display: none; }
  .prod-left { border-right: none; }
}

@media (max-width: 540px) {
  :root { --pad: 1.25rem; }
  .footer-body { grid-template-columns: 1fr; }
  .footer-body > :first-child { grid-column: auto; }
  .callout-strip .btn { width: 100%; text-align: center; justify-content: center; }
  .spec-panel { padding: 1.25rem; }
  .spec-key { min-width: 100px; }
}

/* ── Light mode ───────────────────────────────────────────────── */
html.light {
  --bg:            #f5f3ef;
  --surface:       #ede9e3;
  --surface-raised:#e4e0d8;
  --border:        #cbc7c0;
  --border-faint:  #d6d2cc;
  --text:          #1a1b1d;
  --text-2:        #4a4844;
  --text-muted:    #908c86;
}
html.light body {
  background-image: radial-gradient(circle, rgba(110,100,88,0.13) 1px, transparent 1px);
  background-size: 20px 20px;
  background-attachment: fixed;
}
html.light .alloy-band { background: var(--surface-raised); }
html.light footer { background: var(--surface); }
html.light .nav-drawer { background: var(--surface); }
html.light .prod-row:hover { background: rgba(0,0,0,0.018); }

/* ── Theme toggle button ──────────────────────────────────────── */
#theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid #d0ccc6;
  color: #707070;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  flex-shrink: 0;
}
#theme-toggle:hover {
  background: rgba(0,0,0,0.06);
  border-color: #aaa;
  color: #191a1c;
}
#theme-toggle svg { width: 15px; height: 15px; pointer-events: none; }

/* ── Language toggle button ───────────────────────────────────── */
#lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  padding: 0 0.75rem;
  border-radius: 4px;
  background: transparent;
  border: 1px solid #d0ccc6;
  color: #707070;
  font-family: var(--f-sub);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  flex-shrink: 0;
}
#lang-toggle:hover {
  background: rgba(0,0,0,0.06);
  border-color: #aaa;
  color: #191a1c;
}
#lang-toggle.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}