/* ==========================================================================
   Container Retail Fabricators
   Modern industrial / commercial. Mobile-first.
   Palette: dark steel & graphite, white/light gray, strong amber accent.
   Structural grid + container-inspired ribbing. System fonts only.
   ========================================================================== */

:root {
  --graphite:  #16181B;   /* deepest ground */
  --steel:     #1D2125;   /* primary dark surface */
  --panel:     #262B31;   /* raised panel */
  --panel-2:   #2F353C;   /* hover / edge */
  --light:     #F4F6F7;   /* light section bg */
  --light-2:   #E6EAED;
  --white:     #FFFFFF;
  --gray:      #9BA5AE;   /* muted on dark */
  --gray-dark: #5A646D;   /* muted on light */
  --ink:       #14171A;   /* text on light */
  --accent:    #FF6A1F;   /* strong industrial amber */
  --accent-dim:#C8501420;
  --hair:      #363C43;   /* rule on dark */
  --hair-light:#D4DADF;   /* rule on light */

  --wrap: 1220px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;

  --step-h1:   clamp(2.5rem, 8.6vw, 5.6rem);
  --step-h2:   clamp(1.8rem, 4.6vw, 3rem);
  --step-h3:   clamp(1.1rem, 2vw, 1.28rem);
  --step-lede: clamp(1.03rem, 2.1vw, 1.26rem);

  --pad: clamp(1.25rem, 5vw, 2.5rem);
  --section-y: clamp(4.5rem, 10vw, 8.5rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--steel);
  color: var(--gray);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.66;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}

h1, h2, h3 { margin: 0; color: var(--white); font-weight: 650; line-height: 1.08; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
svg { display: block; }

a { color: var(--accent); text-underline-offset: 3px; }

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

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--accent);
  color: #10120F;
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* ---------- Shared type ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.15rem;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.eyebrow-rule {
  flex: none;
  width: 2.1rem;
  height: 2px;
  background: var(--accent);
}

.lede, .section-intro, .contact-lede {
  font-size: var(--step-lede);
  line-height: 1.58;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.95rem;
  border: 2px solid transparent;
  border-radius: 0;                 /* squared — structural, not soft */
  font-size: 0.88rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease,
              border-color .18s ease, transform .18s ease;
}
.btn-sm {
  padding: 0.62rem 1.2rem;
  font-size: 0.75rem;
  border-width: 2px;
}

.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #10120F;
}
.btn-accent:hover { background: #FF8244; border-color: #FF8244; }

.btn-outline {
  background: transparent;
  border-color: var(--hair);
  color: var(--white);
}
.btn-outline:hover { border-color: var(--white); }

.btn:active { transform: translateY(1px); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(22, 24, 27, 0.93);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--hair);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--white);
  text-decoration: none;
}
.brand-mark { color: var(--accent); flex: none; }

.brand-text { display: flex; flex-direction: column; line-height: 1.14; }
.brand-text strong {
  font-size: 1.02rem;
  font-weight: 750;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  color: var(--white);
}
.brand-text span {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gray);
}

/* Mobile nav toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-right: -0.5rem;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--white);
}
.nav-toggle-bars { display: block; width: 22px; }
.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle-bars i + i { margin-top: 5px; }

[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile-first nav panel.
   Uses display rather than opacity/visibility so the open state is immediate
   and never depends on a transition completing. */
.site-nav {
  position: absolute;
  inset: 100% 0 auto 0;
  display: none;
  gap: 0.3rem;
  padding: 0.6rem var(--pad) 1.6rem;
  background: var(--graphite);
  border-bottom: 1px solid var(--hair);
  box-shadow: 0 14px 28px -18px rgba(0, 0, 0, .7);
}
.nav-open .site-nav { display: grid; }

.site-nav ul { display: grid; }
.site-nav a {
  display: block;
  padding: 0.8rem 0;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
}
.site-nav a:hover { color: var(--accent); }
/* Header CTA button.
   Scoped as `.site-nav a.nav-cta` (0,2,1) so it outranks `.site-nav a` (0,1,1),
   which would otherwise strip the CTA's colour, padding and border. */
.nav-cta { justify-self: start; margin-top: 1rem; }

.site-nav a.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.6rem;
  border: 2px solid var(--accent);     /* present in both states: no layout shift */
  border-radius: 0;                    /* squared — keeps the industrial styling */
  background: var(--accent);
  color: #10120F;                      /* near-black on orange */
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;   /* never wrap to a second line */
  flex: none;            /* never get squeezed by the flex row */
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.site-nav a.nav-cta:hover,
.site-nav a.nav-cta:focus-visible,
.site-nav a.nav-cta:active {
  background: var(--graphite);         /* inverted */
  color: var(--accent);
  border-color: var(--accent);
}

.site-nav a.nav-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ==========================================================================
   Hero — structural grid ground
   ========================================================================== */
.hero {
  position: relative;
  padding-block: clamp(4.25rem, 13vw, 9.5rem) clamp(4.25rem, 11vw, 8.5rem);
  background: var(--graphite);
  overflow: hidden;
  border-bottom: 1px solid var(--hair);
}

/* Container/grid motif: intersecting structural lines, very restrained */
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(120% 90% at 82% 18%, #000 12%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 90% at 82% 18%, #000 12%, transparent 72%);
}

.hero-inner { position: relative; z-index: 2; max-width: 48rem; }

.hero h1 {
  font-size: var(--step-h1);
  font-weight: 750;
  letter-spacing: -0.028em;
  margin-bottom: 1.5rem;
}
.hero h1 em {
  display: inline-block;
  font-style: normal;
  color: var(--accent);
}

.hero .lede { max-width: 35rem; color: var(--gray); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.5rem;
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding-block: var(--section-y); }

.section-head { max-width: 42rem; margin-bottom: clamp(2.5rem, 5vw, 3.8rem); }
.section-head h2 { font-size: var(--step-h2); margin-bottom: 1.1rem; letter-spacing: -0.02em; }

/* ---------- Capabilities (dark, bordered grid = container bay) ---------- */
.capabilities { background: var(--steel); }

.cap-grid {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.cap-card {
  position: relative;
  padding: clamp(1.9rem, 4vw, 2.7rem);
  background: var(--panel);
  transition: background-color .22s ease;
}
.cap-card:hover { background: var(--panel-2); }

/* Left structural rib that lights up on hover */
.cap-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .3s ease;
}
.cap-card:hover::before { transform: scaleY(1); }

.cap-index {
  display: block;
  margin-bottom: 1.35rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.cap-card h3 { font-size: var(--step-h3); margin-bottom: 0.7rem; letter-spacing: -0.008em; }
.cap-card p { font-size: 0.96rem; color: var(--gray); }

/* ---------- Process (light section — hard contrast shift) ---------- */
.process {
  background: var(--light);
  color: var(--gray-dark);
}
.process h2 { color: var(--ink); }
.process .section-intro { color: var(--gray-dark); }

.process-track {
  display: grid;
  gap: 0;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: clamp(1.8rem, 4vw, 2.4rem) 0;
  border-top: 2px solid var(--ink);
}
.process-step:last-child { border-bottom: 2px solid var(--ink); }

.step-num {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.28rem 0.6rem;
  background: var(--ink);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.process-step h3 {
  color: var(--ink);
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}
.process-step p { font-size: 1rem; max-width: 34rem; }

/* ---------- Contact CTA (graphite + corrugated edge) ---------- */
.contact {
  position: relative;
  background: var(--graphite);
}
/* Container corrugation strip along the top edge */
.contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 10px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--accent) 0 3px,
    transparent 3px 11px
  );
  opacity: .8;
}

.contact-inner { max-width: 45rem; }
.contact h2 { font-size: var(--step-h2); margin-bottom: 1.2rem; letter-spacing: -0.02em; }
.contact-lede { color: var(--gray); }

.contact-card {
  margin-top: 2.5rem;
  padding: clamp(1.5rem, 4vw, 2.2rem);
  background: var(--panel);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--accent);
}
.contact-card-note { color: var(--gray); font-size: 0.95rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--steel); border-top: 1px solid var(--hair); }

.footer-inner {
  display: grid;
  gap: 2rem;
  padding-block: clamp(2.75rem, 6vw, 4rem) 2rem;
}

.footer-tag { margin-top: 0.7rem; color: var(--gray); font-size: 0.92rem; }

.footer-nav ul { display: flex; flex-wrap: wrap; gap: 1.6rem; }
.footer-nav a {
  display: inline-block;
  padding-block: 0.3rem;   /* keeps the hit area >= 24px tall */
  color: var(--gray);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}
.footer-nav a:hover { color: var(--accent); }

.footer-base { padding-block: 1.4rem; border-top: 1px solid var(--hair); }
.footer-base p { color: var(--gray-dark); font-size: 0.82rem; }

/* ==========================================================================
   Breakpoints
   ========================================================================== */

/* --- 600px: capabilities two-up --- */
@media (min-width: 600px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- 768px: desktop nav + process as a 3-bay track --- */
@media (min-width: 768px) {
  .nav-toggle { display: none; }

  /* Both selectors, so an open mobile panel cannot leak into desktop layout. */
  .site-nav,
  .nav-open .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 2.1rem;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
  }
  .site-nav ul { display: flex; gap: 2.1rem; }
  .site-nav a {
    padding: 0.45rem 0;   /* keeps the hit area >= 24px tall */
    border: 0;
    font-size: 0.76rem;
    color: var(--gray);
  }
  .nav-cta { margin-top: 0; }

  /* Process becomes three vertical bays divided by structural rules */
  .process-track {
    grid-template-columns: repeat(3, 1fr);
    border-top: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
  }
  .process-step {
    padding: clamp(1.9rem, 3.5vw, 2.6rem) clamp(1.25rem, 2.5vw, 2rem);
    border-top: 0;
    border-left: 1px solid var(--hair-light);
  }
  .process-step:first-child { border-left: 0; padding-left: 0; }
  .process-step:last-child { border-bottom: 0; padding-right: 0; }

  .footer-inner { grid-template-columns: 1fr auto; align-items: start; }
}

/* --- 1000px: full four-bay capability grid --- */
@media (min-width: 1000px) {
  .cap-grid { grid-template-columns: repeat(4, 1fr); }
}

/* --- 1440px+ --- */
@media (min-width: 1440px) {
  :root { --wrap: 1280px; }
  .hero-grid { background-size: 88px 88px; }
}

/* ---------- Motion / print ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

@media print {
  .site-header, .hero-grid, .hero-actions { display: none; }
  body { background: #fff; color: #000; }
  h1, h2, h3 { color: #000; }
}