/* ============================================================
   LULIUS INNOVATION — Operational design system
   black ground, heavy tight sans, warm metal accent, mono labels
   ============================================================ */

:root {
  --ink:        #050505;
  --ink-2:      #0C0C0C;
  --ink-3:      #141414;
  --paper:      #F5F5F4;
  --paper-2:    #E7E5E2;
  --mute:       #6E6E6A;
  --mute-2:     #9A9A95;
  --line:       #1E1E1C;
  --line-2:     #2A2A27;
  --accent:     #C8A45C;   /* warm metal */
  --signal:     #E94842;   /* alert red, used sparingly */

  --max:        1320px;
  --pad-x:      clamp(20px, 4vw, 56px);

  --f-display:  "Inter Tight", "Inter", ui-sans-serif, system-ui, sans-serif;
  --f-body:     "Inter", ui-sans-serif, system-ui, sans-serif;
  --f-mono:     "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* ─────── grid overlay (operational vibe) ─────── */
body.grid-on::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    linear-gradient(to right, rgba(200,164,92,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200,164,92,.045) 1px, transparent 1px);
  background-size: 80px 80px;
  mix-blend-mode: screen;
}

/* ─────── layout primitives ─────── */
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--pad-x); }
.row  { display: flex; }
.col  { display: flex; flex-direction: column; }
.hide-mobile { }
@media (max-width: 760px) {
  .hide-mobile { display: none !important; }
}

/* ─────── type system ─────── */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.eyebrow.mute { color: var(--mute-2); }
.eyebrow .dot { display: inline-block; width: 6px; height: 6px; background: var(--accent); margin-right: 8px; transform: translateY(-1px); }

.display {
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.95;
  font-size: clamp(40px, 7.5vw, 112px);
  text-wrap: balance;
}
.display.lg { font-size: clamp(56px, 10vw, 160px); line-height: 0.92; }

.h1 {
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.0;
  font-size: clamp(36px, 5.4vw, 76px);
  text-wrap: balance;
}
.h2 {
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-size: clamp(28px, 3.8vw, 52px);
  text-wrap: balance;
}
.h3 {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  font-size: clamp(20px, 2vw, 26px);
}
.lede {
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.45;
  color: var(--paper);
  max-width: 60ch;
}
.lede.mute { color: var(--mute-2); }

/* ─────── buttons ─────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--paper);
  background: var(--paper);
  color: var(--ink);
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.btn .arrow { font-family: var(--f-display); font-size: 14px; letter-spacing: 0; }
.btn.ghost { background: transparent; color: var(--paper); border-color: rgba(255,255,255,.35); }
.btn.ghost:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn.compact { padding: 10px 14px; font-size: 10.5px; }

/* ─────── section ─────── */
.section { padding: clamp(80px, 10vw, 160px) 0; position: relative; }
.section.tight { padding: clamp(56px, 7vw, 96px) 0; }
.section.flush { padding: 0; }

.divider { height: 1px; background: var(--line); width: 100%; }
.divider.accent { background: var(--accent); }

/* index label like "01 / Capabilities" */
.idx {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mute);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
}
.idx .num { color: var(--accent); }

/* ─────── card primitives ─────── */
.tile {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
  position: relative;
}
.tile:hover { border-color: var(--line-2); }
.tile .num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--accent);
}

/* ─────── scrolling marquee ─────── */
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee {
  display: flex;
  width: max-content;
  animation: marquee 40s linear infinite;
}

/* ─────── nav ─────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px var(--pad-x);
  display: flex; align-items: center; justify-content: space-between;
  transition: background .2s ease, border-color .2s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5,5,5,.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-links {
  display: flex; gap: 28px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper);
}
.nav-links a {
  position: relative;
  padding: 6px 0;
  opacity: 0.78;
  transition: opacity .15s ease;
}
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0;
  height: 1px; width: 100%;
  background: var(--accent);
}
.nav-right { display: flex; align-items: center; gap: 18px; }

/* ─────── drawer ─────── */
.drawer {
  position: fixed; inset: 0;
  background: var(--ink);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateY(-100%);
  transition: transform .55s cubic-bezier(.7,.05,.2,1);
  overflow: hidden;
}
.drawer.open { transform: translateY(0); }
.drawer-inner {
  flex: 1;
  padding: 28px var(--pad-x) 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-content: stretch;
}
@media (max-width: 880px) {
  .drawer-inner { grid-template-columns: 1fr; gap: 40px; }
}
.drawer-list {
  display: flex; flex-direction: column;
  gap: 2px;
  margin-top: 60px;
}
.drawer-link {
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.05;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 20px;
  transition: padding-left .25s ease, color .2s ease;
  color: var(--paper);
}
.drawer-link:hover { padding-left: 12px; color: var(--accent); }
.drawer-link .idxno {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--mute);
}

.drawer-side {
  border-left: 1px solid var(--line);
  padding-left: 40px;
  margin-top: 60px;
  display: flex; flex-direction: column; gap: 36px;
}
@media (max-width: 880px) {
  .drawer-side { border-left: none; padding-left: 0; margin-top: 20px; }
}
.drawer-block .label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 12px;
}

/* close button */
.x-close {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper);
}
.x-close .x {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border: 1px solid var(--paper);
}

/* ─────── footer ─────── */
.foot {
  border-top: 1px solid var(--line);
  padding: 80px 0 40px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 880px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
.foot h5 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 14px;
  font-weight: 500;
}
.foot ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.foot a { opacity: .85; transition: opacity .15s, color .15s; }
.foot a:hover { color: var(--accent); opacity: 1; }

/* ─────── hero ─────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 120px;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,5,5,.55) 0%, rgba(5,5,5,.4) 40%, rgba(5,5,5,.92) 100%);
}
.hero-media image-slot {
  width: 100%; height: 100%;
}
.hero-content {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: clamp(48px, 6vw, 88px);
}
.hero-meta {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255,255,255,.18);
  margin-bottom: 32px;
}
.hero-meta .item {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper);
  opacity: .8;
}
.hero-meta .item b { color: var(--accent); font-weight: 500; }
@media (max-width: 760px) {
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* corner ticks */
.corner-ticks {
  position: absolute;
  top: 96px; left: var(--pad-x); right: var(--pad-x); bottom: 24px;
  pointer-events: none;
  z-index: 1;
}
.corner-ticks::before,
.corner-ticks::after,
.corner-ticks > i:nth-child(1),
.corner-ticks > i:nth-child(2) {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--accent);
  border-style: solid;
  border-width: 0;
}
.corner-ticks::before { top: 0; left: 0; border-top-width: 1px; border-left-width: 1px; }
.corner-ticks::after  { top: 0; right: 0; border-top-width: 1px; border-right-width: 1px; }
.corner-ticks > i:nth-child(1) { bottom: 0; left: 0; border-bottom-width: 1px; border-left-width: 1px; display:block; }
.corner-ticks > i:nth-child(2) { bottom: 0; right: 0; border-bottom-width: 1px; border-right-width: 1px; display:block; }

/* ─────── logo strip ─────── */
.logo-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  display: flex;
  align-items: center;
  gap: 56px;
  overflow: hidden;
}
.logo-strip .label {
  flex-shrink: 0;
  padding: 0 var(--pad-x) 0 var(--pad-x);
  border-right: 1px solid var(--line);
  min-height: 40px;
  display: flex; align-items: center;
}
.logo-strip-track { overflow: hidden; flex: 1; }
.logo-strip .item {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 56px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mute-2);
  text-transform: uppercase;
  white-space: nowrap;
}

/* ─────── product cards ─────── */
.product-card {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color .25s ease;
}
.product-card:hover { border-color: var(--accent); }
.product-card .media {
  aspect-ratio: 4 / 3;
  background: #0A0A0A;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.product-card .body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.product-card .body .meta {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
}
.product-card .body .meta b { color: var(--accent); font-weight: 500; }

/* ─────── numbers / stats ─────── */
.stat .n {
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  font-size: clamp(48px, 6vw, 84px);
  color: var(--paper);
  display: flex; align-items: baseline; gap: 4px;
}
.stat .n .u { font-size: 0.45em; color: var(--accent); font-weight: 500; letter-spacing: -0.01em; }
.stat .lbl {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* ─────── blockquote ─────── */
.pull {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-size: clamp(28px, 3.4vw, 44px);
  color: var(--paper);
  text-wrap: balance;
}
.pull .accent { color: var(--accent); }

/* ─────── breadcrumb ─────── */
.crumb {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
}
.crumb a { color: var(--mute); transition: color .15s; }
.crumb a:hover { color: var(--paper); }
.crumb .sep { color: var(--line-2); }
.crumb .curr { color: var(--accent); }

/* ─────── utility ─────── */
.mute { color: var(--mute-2); }
.accent-text { color: var(--accent); }
.tabular { font-variant-numeric: tabular-nums; }
.no-scroll { overflow: hidden; }

/* ─────── small-screen ─────── */
@media (max-width: 760px) {
  .nav-links { display: none; }
}