/* ===== Rockdale — Design Tokens ===== */
:root {
  --bg: #14171A;
  --panel: #1C2024;
  --panel-raised: #21262B;
  --steel-line: #3A4046;
  --steel-line-soft: #262B30;
  --text: #EDEFF1;
  --text-muted: #8B939B;
  --accent-blue: #3E77C4;
  --accent-blue-dim: #2A4E7D;
  --accent-brass: #C77A3E;
  --accent-brass-dim: #9B5D2C;

  --font-display: 'Oswald', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --gutter: clamp(24px, 5vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

/* Sheet frame — engineering drawing border, desktop only */
.sheet-frame {
  position: fixed;
  inset: 10px;
  border: 1px solid var(--steel-line-soft);
  pointer-events: none;
  z-index: 1;
  display: none;
}
@media (min-width: 1100px) {
  .sheet-frame { display: block; }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin: 0 0 14px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--steel-line);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}
.btn-primary {
  background: var(--accent-brass);
  border-color: var(--accent-brass);
  color: #14171A;
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-brass-dim); border-color: var(--accent-brass-dim); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent-blue); color: var(--accent-blue); }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 23, 26, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--steel-line-soft);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-img { height: 100px; width: 100px; display: block; }
.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.14em;
  font-size: 1rem;
  color: var(--text);
}
@media (max-width: 480px) {
  .logo-text { display: none; }
}
.site-nav { display: flex; align-items: center; gap: 32px; }
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.site-nav a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 18px;
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue) !important;
  border-radius: 2px;
}
.nav-cta:hover { background: var(--accent-blue); color: var(--bg) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); display: block; }

@media (max-width: 860px) {
  .site-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--steel-line-soft);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px var(--gutter) 28px;
    gap: 18px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .nav-toggle { display: flex; }
}

/* ===== Hero ===== */
.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) var(--gutter) clamp(40px, 6vw, 72px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero-copy h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.08;
  margin-bottom: 22px;
}
.hero-sub {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 46ch;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}
.hero-meta .dot { color: var(--steel-line); margin: 0 8px; }

.hero-drawing { width: 100%; }
#part-svg { width: 100%; height: auto; }
.dim-label {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--text-muted);
}
.spec-label {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--text-muted);
  letter-spacing: 0.05em;
}
.draw-line {
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: draw 1.4s ease forwards;
}
text.draw-line { opacity: 0; animation: fadein 0.6s ease forwards; }
.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.7s; }
.delay-3 { animation-delay: 0.9s; }
.delay-4 { animation-delay: 1.2s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadein { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .draw-line { animation: none !important; stroke-dashoffset: 0; opacity: 1; }
}

/* ===== Dimension rule divider ===== */
.dim-rule {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.dim-rule::before, .dim-rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--steel-line);
}

/* ===== Capability strip ===== */
.capability-strip { padding: 56px 0 64px; border-bottom: 1px solid var(--steel-line-soft); }
.strip-grid {
  max-width: 1280px;
  margin: 22px auto 0;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--steel-line-soft);
  border: 1px solid var(--steel-line-soft);
}
.strip-item {
  background: var(--bg);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.strip-index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-blue);
  letter-spacing: 0.08em;
}
.strip-value {
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.35;
}
.strip-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
@media (max-width: 900px) {
  .strip-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .strip-grid { grid-template-columns: 1fr; }
}

.strip-footnote {
  max-width: 1280px;
  margin: 14px auto 0;
  padding: 0 var(--gutter);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ===== Section head ===== */
.section-head { max-width: 1280px; margin: 0 auto; padding: 64px var(--gutter) 28px; }
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  max-width: 20ch;
}

/* ===== Shop gallery ===== */
.shop-gallery { padding-bottom: 24px; }
.gallery-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  grid-auto-flow: dense;
  gap: 12px;
}

.reel-panel {
  border: 1px dashed var(--steel-line);
  background:
    repeating-linear-gradient(45deg, var(--panel), var(--panel) 10px, var(--panel-raised) 10px, var(--panel-raised) 20px);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  overflow: hidden;
}
.reel-embed { width: 100%; }
.reel-embed:empty { display: none; }
.reel-fallback { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.reel-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue-dim);
  padding: 8px 14px;
  border-radius: 2px;
}
.reel-link:hover { background: var(--accent-blue); color: var(--bg); }
.gallery-tile {
  margin: 0;
  border: 1px dashed var(--steel-line);
  background:
    repeating-linear-gradient(45deg, var(--panel), var(--panel) 10px, var(--panel-raised) 10px, var(--panel-raised) 20px);
  display: flex;
  align-items: flex-end;
  padding: 14px;
  position: relative;
  overflow: hidden;
}
.tile-slides { position: absolute; inset: 0; }
.tile-slides img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.tile-slides img.active { opacity: 1; }
.gallery-tile .tile-label { position: relative; z-index: 2; }
.gallery-tile:has(img) { border-style: solid; }
.tile-wide { grid-column: span 2; }
@media (max-width: 760px) {
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 180px; }
  .tile-wide { grid-column: span 1; }
}
.tile-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: rgba(20, 23, 26, 0.7);
  padding: 6px 10px;
  border: 1px solid var(--steel-line-soft);
}
.gallery-note {
  max-width: 1280px;
  margin: 20px auto 0;
  padding: 0 var(--gutter);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-brass);
}

/* ===== Who we serve ===== */
.who-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}
.who-copy { font-size: 1.05rem; color: var(--text-muted); max-width: 62ch; }
.who-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.who-tags span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px 14px;
  border: 1px solid var(--steel-line);
  border-radius: 2px;
  color: var(--text-muted);
}
@media (max-width: 860px) { .who-grid { grid-template-columns: 1fr; } }
.who-footnote {
  max-width: 1280px;
  margin: 40px auto 0;
  padding: 20px var(--gutter);
  border-top: 1px solid var(--steel-line-soft);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

/* ===== Why us ===== */
.why-us { padding-top: 72px; }
.why-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--gutter) 80px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--steel-line-soft);
  border: 1px solid var(--steel-line-soft);
}
.why-card {
  background: var(--panel);
  padding: 36px 32px;
}
.why-num {
  display: block;
  font-family: var(--font-mono);
  color: var(--accent-brass);
  font-size: 0.85rem;
  margin-bottom: 14px;
}
.why-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  text-transform: none;
  letter-spacing: 0;
}
.why-card p { color: var(--text-muted); font-size: 0.96rem; }
@media (max-width: 720px) { .why-grid { grid-template-columns: 1fr; } }

/* ===== Quote section ===== */
.quote-section {
  background: var(--panel);
  border-top: 1px solid var(--steel-line-soft);
  border-bottom: 1px solid var(--steel-line-soft);
  padding: 80px 0;
}
.quote-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.quote-copy h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 18px; max-width: 18ch; }
.quote-copy > p { color: var(--text-muted); max-width: 46ch; margin-bottom: 32px; }
.quote-facts { display: flex; flex-direction: column; gap: 14px; }
.quote-facts li {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
  border-top: 1px solid var(--steel-line-soft);
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
  max-width: 380px;
}
.quote-facts li span { color: var(--text-muted); }
.quote-trust {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--steel-line-soft);
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 42ch;
  font-style: italic;
}

.quote-form { display: flex; flex-direction: column; gap: 18px; }
.form-row-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 520px) { .form-row-pair { grid-template-columns: 1fr; } }
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-row input, .form-row select, .form-row textarea {
  background: var(--panel-raised);
  border: 1px solid var(--steel-line);
  color: var(--text);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: 2px;
  resize: vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--accent-blue);
}
.form-row input[type="file"] {
  background: var(--panel-raised);
  border: 1px dashed var(--steel-line);
  padding: 10px 14px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.form-row input[type="date"] { color-scheme: dark; }
.form-note { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); min-height: 1.2em; }
.form-note.success { color: #7BC67B; }
.form-note.error { color: #D9776A; }
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 860px) { .quote-grid { grid-template-columns: 1fr; } }

/* ===== Footer ===== */
.site-footer { padding: 48px 0 32px; }
.footer-titleblock {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--steel-line-soft);
}
.tb-cell {
  padding: 14px 16px;
  border-right: 1px solid var(--steel-line-soft);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.tb-cell:last-child { border-right: none; }
.tb-cell span {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
@media (max-width: 860px) {
  .footer-titleblock { grid-template-columns: repeat(2, 1fr); }
  .tb-cell { border-bottom: 1px solid var(--steel-line-soft); }
}
.footer-bottom {
  max-width: 1280px;
  margin: 20px auto 0;
  padding: 0 var(--gutter);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-logo { height: 22px; width: 22px; opacity: 0.85; }