/* ==========================================================================
   FURNACE — Black Forge Systems
   Global tokens + landing page styles
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* ground & surfaces */
  --black: #0a0a0a;
  --dark: #111111;
  --dark-gray: #1a1a1a;
  --gray: #2a2a2a;
  --mid-gray: #4a4a4a;
  --light-gray: #888888;
  --fog: #bdbdbd;
  --white: #ffffff;

  --bg-0: var(--black);
  --bg-1: var(--dark);
  --bg-2: var(--dark-gray);
  --bg-3: #232323;

  --fg: var(--white);
  --fg-muted: var(--light-gray);
  --fg-subtle: var(--mid-gray);
  --fg-invert: var(--black);

  --border: var(--gray);
  --border-strong: #3a3a3a;
  --border-subtle: #1f1f1f;

  /* accents */
  --accent: #ff4d00;
  --accent-dark: #cc3d00;
  --accent-light: #ff6a2a;
  --accent-glow: rgba(255, 77, 0, 0.3);
  --accent-haze: rgba(255, 77, 0, 0.12);

  --accent-blue: #4a7fff;
  --accent-blue-dark: #3a6fee;
  --accent-blue-light: #6b9fff;
  --accent-blue-glow: rgba(74, 127, 255, 0.3);
  --accent-blue-haze: rgba(74, 127, 255, 0.12);

  --status-live: #22c55e;
  --status-warn: #f59e0b;
  --status-danger: #ef4444;

  --ember: #ff8a3d;
  --steel: #9aa7b4;

  /* type */
  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  --h1: clamp(3.5rem, 12vw, 8rem);
  --h2: clamp(2.5rem, 5vw, 4rem);
  --h3: clamp(1.75rem, 3vw, 2.5rem);
  --h4: 1.5rem;
  --h5: 1.25rem;
  --body-lg: 1.25rem;
  --body: 1rem;
  --small: 0.875rem;
  --tiny: 0.75rem;
  --micro: 0.65rem;
  --stat: 3rem;

  --lh-tight: 0.95;
  --lh-snug: 1.2;
  --lh-normal: 1.6;

  --track-tight: 0.02em;
  --track-wide: 0.1em;
  --track-wider: 0.15em;
  --track-widest: 0.2em;

  /* spacing */
  --container: 1200px;
  --gutter: 2rem;
  --section-y: 6rem;
  --section-y-mobile: 4rem;

  /* shadows / motion */
  --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lift: 0 10px 30px var(--accent-glow);
  --shadow-lift-blue: 0 10px 30px var(--accent-blue-glow);
  --shadow-laser: 0 0 10px var(--accent), 0 0 20px var(--accent),
                  0 0 40px var(--accent), 0 0 60px var(--accent-glow);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 300ms;
  --transition: all var(--dur) var(--ease);

  --z-nav: 1000;
  --z-badge: 999;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--fg);
  font-size: var(--body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--track-tight);
  text-transform: uppercase;
  color: var(--fg);
}
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }
h4 { font-size: var(--h4); font-weight: 600; line-height: var(--lh-snug); }

p { color: var(--fg-muted); line-height: var(--lh-normal); }

.lead { font-size: var(--body-lg); font-weight: 300; color: var(--fg-muted); }

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-light); }

.eyebrow {
  display: inline-block;
  font-size: var(--tiny);
  font-weight: 600;
  letter-spacing: var(--track-widest);
  text-transform: uppercase;
  color: var(--accent);
}

.mono { font-family: var(--font-mono); }

.theme-services {
  --accent: var(--accent-blue);
  --accent-dark: var(--accent-blue-dark);
  --accent-light: var(--accent-blue-light);
  --accent-glow: var(--accent-blue-glow);
  --accent-haze: var(--accent-blue-haze);
  --shadow-lift: var(--shadow-lift-blue);
}

.page { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

.icon { width: 1em; height: 1em; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ============================================================
   NAVBAR
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-nav); }
.nav .brand { display: flex; align-items: center; gap: 0.75rem; color: var(--fg); }
.nav .brand svg { width: 28px; height: 28px; color: var(--accent); stroke: currentColor; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.nav .brand .wm { font-family: var(--font-display); letter-spacing: 0.1em; font-size: 1.25rem; }
.nav ul { display: flex; gap: 2rem; list-style: none; }
.nav ul a { color: var(--fg-muted); font-size: var(--small); letter-spacing: 0.05em; text-transform: uppercase; font-weight: 500; }
.nav ul a:hover { color: var(--fg); }
.nav .cta {
  background: var(--accent); color: var(--fg);
  padding: 0.75rem 1.75rem;
  font-size: var(--tiny); font-weight: 600;
  letter-spacing: var(--track-wide); text-transform: uppercase;
  border: none; cursor: pointer;
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.nav .cta:hover { background: var(--accent-dark); box-shadow: var(--shadow-lift); }

/* Division strip */
.division-strip {
  position: fixed; top: 64px; left: 0; right: 0;
  z-index: var(--z-badge);
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-0);
}
.division-strip .tab {
  flex: 1;
  padding: 0.75rem 1.5rem;
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: var(--track-widest);
  text-transform: uppercase;
  color: var(--fg-muted);
  border-right: 1px solid var(--border);
  text-decoration: none;
  transition: var(--transition);
}
.division-strip .tab:last-child { border-right: none; }
.division-strip .tab.orange { color: var(--accent); }
.division-strip .tab.blue { color: var(--accent-blue); }
.division-strip .tab.active.orange { box-shadow: inset 0 -2px 0 var(--accent); }
.division-strip .tab.active.blue { box-shadow: inset 0 -2px 0 var(--accent-blue); }
.division-strip .tab:hover { background: var(--bg-1); }
.tab-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.95rem 1.85rem;
  font-family: var(--font-body);
  font-size: var(--tiny); font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  border: none; cursor: pointer;
  transition: var(--transition);
  background: var(--accent); color: var(--fg);
}
.btn:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.btn:active { transform: translateY(0); filter: brightness(0.9); }
.btn-outline { background: transparent; color: var(--fg); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: transparent; box-shadow: none; }
.btn-lg { padding: 1.1rem 2.25rem; font-size: var(--small); }
.ico-s { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }

/* ============================================================
   LANDING LAYOUT
   ============================================================ */
.main { padding-top: 112px; }

/* Hero */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 50%, var(--accent-haze) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, var(--accent-blue-haze) 0%, transparent 55%),
    var(--bg-0);
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.05;
  background-image:
    linear-gradient(var(--gray) 1px, transparent 1px),
    linear-gradient(90deg, var(--gray) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.4;
  background-image: radial-gradient(circle at 2px 2px, var(--gray) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, transparent, #000 50%, transparent);
}
.hero .page {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-head .eyebrow {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-size: 0.75rem; letter-spacing: 0.3em;
  margin-bottom: 1.5rem;
}
.hero-head .eyebrow::before {
  content: ''; display: inline-block; width: 40px; height: 1px; background: var(--accent);
}
.hero-head h1 {
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: 0.01em;
  margin-bottom: 1.5rem;
}
.hero-head h1 .brush { color: var(--accent); display: block; }
.hero-head p.lead { max-width: 36ch; margin-bottom: 2.5rem; }
.hero-actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.meta-row {
  display: flex; gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.meta-row .m { display: flex; flex-direction: column; gap: 0.25rem; }
.meta-row .mk {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: var(--track-widest);
  text-transform: uppercase;
  color: var(--fg-subtle);
}
.meta-row .mv {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--fg);
  letter-spacing: 0.02em;
}

/* Laser box */
.laser-box {
  position: relative;
  aspect-ratio: 1;
  border: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
}
.laser-box::before {
  content: ''; position: absolute; inset: 24px;
  border: 1px dashed rgba(255, 77, 0, 0.25);
  pointer-events: none;
}
.theme-services .laser-box::before { border-color: rgba(74, 127, 255, 0.25); }
.laser-box .beam {
  position: absolute;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow:
    0 0 10px var(--accent),
    0 0 20px var(--accent),
    0 0 40px var(--accent),
    0 0 60px var(--accent-glow);
  animation: trace 6s linear infinite;
  transform: translate(-50%, -50%);
}
@keyframes trace {
  0%   { top: 0;    left: 0; }
  25%  { top: 0;    left: 100%; }
  50%  { top: 100%; left: 100%; }
  75%  { top: 100%; left: 0; }
  100% { top: 0;    left: 0; }
}
.laser-box .corner {
  position: absolute;
  width: 28px; height: 28px;
  border: 2px solid var(--accent);
}
.laser-box .corner.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.laser-box .corner.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.laser-box .corner.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.laser-box .corner.br { bottom: 0; right: 0; border-left: none; border-top: none; }
.laser-box .core {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1rem;
  text-align: center;
}
.laser-box .core svg {
  width: 80px; height: 80px;
  color: var(--accent);
  stroke: currentColor; fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  opacity: 0.6;
}
.laser-box .core .t1 {
  font-family: var(--font-display);
  font-size: 2.25rem;
  letter-spacing: 0.05em;
  color: var(--fg);
}
.laser-box .core .t2 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.3em;
}
.laser-box .stamp {
  position: absolute; bottom: 20px; right: 20px;
  font-family: var(--font-mono);
  font-size: 0.6rem; letter-spacing: var(--track-widest);
  color: var(--fg-subtle);
}
.laser-box .stamp-tl {
  position: absolute; top: 20px; left: 20px;
  font-family: var(--font-mono);
  font-size: 0.6rem; letter-spacing: var(--track-widest);
  color: var(--fg-subtle);
}

/* ============================================================
   SECTION SHELL
   ============================================================ */
section.sec { padding: var(--section-y) 0; border-top: 1px solid var(--border-subtle); position: relative; }
.sec-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 2rem; margin-bottom: 3rem;
}
.sec-head .eyebrow { margin-bottom: 1rem; }
.sec-head h2 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
.sec-head .aside {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: var(--track-widest);
  text-transform: uppercase;
  color: var(--fg-subtle);
  white-space: nowrap;
}

/* ============================================================
   DIVISION SHOWCASE
   ============================================================ */
.divisions { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.division-card {
  position: relative;
  padding: 3rem;
  border: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
  min-height: 380px;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
  color: var(--fg);
}
.division-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: var(--transition);
}
.division-card:hover { border-color: var(--accent); transform: translateY(-5px); }
.division-card:hover::before { transform: scaleX(1); }
.division-card.blue::before { background: var(--accent-blue); }
.division-card.blue:hover { border-color: var(--accent-blue); }
.division-card .ghost {
  position: absolute; right: -60px; bottom: -60px;
  width: 280px; height: 280px;
  color: var(--accent); opacity: 0.06;
  transition: var(--transition);
  pointer-events: none;
}
.division-card.blue .ghost { color: var(--accent-blue); }
.division-card:hover .ghost { opacity: 0.12; transform: rotate(10deg); }
.division-card .ghost svg {
  width: 100%; height: 100%;
  stroke: currentColor; fill: none;
  stroke-width: 1; stroke-linecap: round; stroke-linejoin: round;
}
.div-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: inline-flex; align-items: center; gap: 0.75rem;
}
.division-card.blue .div-tag { color: var(--accent-blue); }
.div-tag::before {
  content: ''; width: 30px; height: 1px; background: currentColor;
}
.division-card h3 { font-size: 2.25rem; margin-bottom: 1rem; }
.division-card p { color: var(--fg-muted); max-width: 42ch; margin-bottom: 2rem; }
.division-card .links {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 2rem; position: relative; z-index: 1;
}
.division-card .links span {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-size: 0.85rem; color: var(--fg-muted);
}
.division-card .links span::before {
  content: '◆'; color: var(--accent); font-size: 0.65rem;
}
.division-card.blue .links span::before { color: var(--accent-blue); }
.division-card .go {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: var(--track-widest);
  text-transform: uppercase;
  font-weight: 600;
}
.division-card.blue .go { color: var(--accent-blue); }
.division-card .go svg { width: 16px; height: 16px; }

/* ============================================================
   STATS BANNER
   ============================================================ */
.stats-wrap { padding: 0; }
.stats-wrap .page { padding: 0 var(--gutter); }
.stats-banner {
  background: var(--accent);
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}
.stats-banner.blue { background: var(--accent-blue); }
.stats-banner::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 200, 100, 0.18) 0%, transparent 30%, transparent 70%, rgba(80, 10, 0, 0.3) 100%);
}
.stats-banner.blue::before {
  background: linear-gradient(180deg, rgba(200, 220, 255, 0.18) 0%, transparent 30%, transparent 70%, rgba(10, 20, 80, 0.3) 100%);
}
.stats-banner::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
  background-size: 60px 60px;
}
.stats-banner .inner {
  position: relative;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2rem; text-align: center;
}
.stats-banner .inner > div + div { border-left: 1px solid rgba(255, 255, 255, 0.2); }
.stat-n {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  color: var(--fg);
  line-height: 1;
  letter-spacing: 0.02em;
}
.stat-l {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--track-wider);
  color: var(--fg);
  opacity: 0.95;
  margin-top: 0.5rem;
  font-weight: 500;
}

/* ============================================================
   SPEC PLATE
   ============================================================ */
.spec-plate {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  background: var(--bg-1);
  font-family: var(--font-mono);
}
.spec-plate .cell {
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.spec-plate .cell:nth-child(4n) { border-right: none; }
.spec-plate .cell:nth-last-child(-n+4) { border-bottom: none; }
.spec-plate .k {
  font-size: 0.6rem;
  letter-spacing: var(--track-widest);
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: 0.35rem;
}
.spec-plate .v {
  font-size: 0.875rem;
  color: var(--fg);
  font-weight: 500;
}
.spec-plate .v.ember { color: var(--ember); }

/* ============================================================
   FOOTER
   ============================================================ */
footer.foot {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-0);
  position: relative;
  overflow: hidden;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
}
.foot-brand p { font-size: 0.85rem; color: var(--fg-muted); max-width: 32ch; }
.foot-brand a {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--fg); margin-bottom: 1rem;
}
.foot-brand a svg {
  width: 28px; height: 28px;
  color: var(--accent);
  stroke: currentColor; fill: none;
  stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
}
.foot-brand a span {
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  font-size: 1.1rem;
}
.foot-grid h5 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 600;
}
.foot-grid ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.foot-grid li { font-size: 0.85rem; color: var(--fg-muted); cursor: pointer; transition: var(--transition); }
.foot-grid li:hover { color: var(--fg); }
.foot-bottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: var(--track-wider);
  color: var(--fg-subtle);
  text-transform: uppercase;
  flex-wrap: wrap; gap: 1rem;
}
.foot-bottom .trust { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.foot-bottom .trust span::before { content: '◆'; color: var(--accent); margin-right: 0.5rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .hero .page { grid-template-columns: 1fr; }
  .divisions { grid-template-columns: 1fr; }
  .spec-plate { grid-template-columns: repeat(2, 1fr); }
  .spec-plate .cell:nth-child(4n) { border-right: 1px solid var(--border); }
  .spec-plate .cell:nth-child(2n) { border-right: none; }
  .stats-banner .inner { grid-template-columns: repeat(2, 1fr); }
  .stats-banner .inner > div + div { border-left: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .sec-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 700px) {
  .nav ul { display: none; }
  .division-strip .tab { font-size: 0.6rem; padding: 0.6rem 0.5rem; }
  .nav { padding: 0.75rem 1rem; }
  .main { padding-top: 104px; }
  section.sec { padding: var(--section-y-mobile) 0; }
  .foot-grid { grid-template-columns: 1fr; gap: 2rem; }
  .meta-row { flex-wrap: wrap; gap: 1.5rem; }
  .laser-box .core .t1 { font-size: 1.75rem; }
  .division-card { padding: 2rem; min-height: 320px; }
}