/* ═══════════════════════════════════════════════════════════════
   QUANTOS — Shared stylesheet
   Single source of truth for variables, reset, nav, footer,
   buttons, and utilities. Imported by every page.
   Page-specific styles live in quantos-linear.css (index)
   and quantos.css (sub-pages).
   ═══════════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg: #0a0a0b;
  --surface-1: rgba(255,255,255,0.03);
  --surface-2: rgba(255,255,255,0.045);
  --surface-3: #1e1e22;
  --surface-4: #26262c;

  /* Lines */
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.12);
  --line-3: rgba(255,255,255,0.18);

  /* Ink */
  --ink-1: #ffffff;
  --ink-2: rgba(255,255,255,0.7);
  --ink-3: rgba(255,255,255,0.5);
  --ink-4: rgba(255,255,255,0.35);
  --ink-5: rgba(255,255,255,0.2);

  /* Accent */
  --em: #22c55e;
  --em-hi: #4ade80;
  --em-lo: #16a34a;
  --em-ink: #86efac;
  --em-08: rgba(34,197,94,0.08);
  --em-12: rgba(34,197,94,0.12);
  --em-20: rgba(34,197,94,0.22);
  --em-40: rgba(34,197,94,0.44);

  /* Semantic */
  --red: #ef4444;
  --red-dim: rgba(239,68,68,0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245,158,11,0.12);
  --cyan: #22d3ee;

  /* Layout */
  --nav-h: 56px;
  --page-max: 1280px;
  --page-pad: 32px;

  /* Type — mono scale */
  --fs-mono-xxs: 10px;
  --fs-mono-xs: 11px;
  --fs-mono-sm: 12px;
  --fs-mono-md: 13px;
  --fs-mono-base: 14px;
  --fs-mono-lg: 16px;

  /* Radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;

  /* Easing */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* Section padding */
  --sec-pad: 80px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink-1);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
::selection { background: var(--em-40); color: #fff; }
:focus-visible { outline: 2px solid var(--em); outline-offset: 2px; border-radius: 6px; }

/* ── Layout ─────────────────────────────────────────────────── */
.page {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  width: 100%;
}
@media (max-width: 640px) {
  .hero-industries .page {
    padding: 0 !important;
    max-width: 100% !important;
    overflow: hidden !important;
  }
}

/* ── Type primitives ────────────────────────────────────────── */
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mono-xs); font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--em);
}

.divider { height: 1px; background: var(--line); }

/* ── Utilities ──────────────────────────────────────────────── */
.mono { font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 99px;
  background: var(--em-08); border: 1px solid var(--em-20); color: var(--em);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mono-xs); font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
}
.pill--neutral { background: var(--surface-2); border-color: var(--line-2); color: var(--ink-3); }
.pill--amber { background: var(--amber-dim); border-color: rgba(245,158,11,0.25); color: var(--amber); }
.pill--red { background: var(--red-dim); border-color: rgba(239,68,68,0.25); color: var(--red); }

/* ═══ BUTTONS ═══════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--r-sm);
  font-size: var(--fs-mono-base); font-weight: 600;
  transition: all 160ms var(--ease);
  border: 1px solid transparent;
  white-space: nowrap; text-decoration: none;
  cursor: pointer;
}
.btn svg { width: 14px; height: 14px; }
.btn--primary { background: var(--em); color: #0a0a0b; }
.btn--primary:hover { background: var(--em-hi); transform: translateY(-1px); box-shadow: 0 10px 30px -10px rgba(74,222,128,0.45); }
.btn--ghost { color: var(--ink-2); border-color: var(--line-2); }
.btn--ghost:hover { color: var(--ink-1); border-color: var(--line-3); background: var(--surface-2); }
.btn--pri { background: var(--em); color: #0a0a0b; border: none; padding: 10px 16px; border-radius: var(--r-sm); font-size: var(--fs-mono-md); font-weight: 600; }
.btn--pri:hover { background: var(--em-hi); }
.btn--sec { background: transparent; color: var(--ink-3); border: 1px solid var(--line); padding: 10px 16px; border-radius: var(--r-sm); font-size: var(--fs-mono-md); font-weight: 500; }
.btn--sec:hover { color: var(--ink-1); border-color: var(--line-2); }
.btn--sm { padding: 8px 14px; font-size: var(--fs-mono-md); border-radius: 8px; }

/* ═══ NAV ════════════════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(10,10,11,0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line);
  transition: transform 0.3s ease;
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; max-width: var(--page-max); margin: 0 auto; padding: 0 var(--page-pad);
  gap: 24px;
}
.nav__brand { display: flex; align-items: center; flex-shrink: 0; }
.nav__brand img { height: 42px; opacity: 1; }
.nav__logo { height: 42px; }
.nav__links {
  display: flex; align-items: center; gap: 4px; list-style: none;
  position: absolute; left: 50%; transform: translateX(-50%);
}
.nav__link {
  font-size: var(--fs-mono-md); font-weight: 500;
  color: rgba(255,255,255,0.48);
  padding: 7px 14px; border-radius: var(--r-sm);
  transition: color 140ms var(--ease), background 140ms var(--ease);
  white-space: nowrap;
}
.nav__link:hover { color: rgba(255,255,255,0.9); background: var(--surface-2); }
.nav__link.active { color: var(--em); }
.nav__cta {
  font-size: var(--fs-mono-md); white-space: nowrap; font-weight: 600;
  color: #0a0a0b; background: var(--em);
  padding: 8px 18px; border-radius: var(--r-sm);
  transition: all 140ms var(--ease);
}
.nav__cta:hover { background: var(--em-hi); transform: translateY(-1px); }
.nav__right { display: flex; align-items: center; gap: 12px; }
.nav__menu-btn {
  display: none;
  border: 1px solid var(--line-2);
  color: var(--ink-2); padding: 7px 14px; border-radius: var(--r-sm);
  font-size: var(--fs-mono-sm); font-weight: 600;
  transition: all 140ms var(--ease);
}
.nav__menu-btn:hover { color: var(--ink-1); border-color: var(--line-3); }

/* Nav dropdown — shared two-column panel */
.nav__drop { position: relative; }
.nav__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 300px;
  padding: 16px;
  background: #141416;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms var(--ease), transform 160ms var(--ease);
  display: flex;
  gap: 24px;
  z-index: 200;
}
.nav__drop:hover .nav__dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.nav__dropdown-group {
  display: flex; flex-direction: column; gap: 4px; min-width: 120px;
}
.nav__dropdown-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-4); margin-bottom: 6px;
}
.nav__dropdown a {
  display: block;
  font-size: var(--fs-mono-md); font-weight: 500;
  color: var(--ink-3);
  padding: 6px 10px; border-radius: 6px;
  transition: color 140ms var(--ease), background 140ms var(--ease);
}
.nav__dropdown a:hover { color: var(--ink-1); background: rgba(255,255,255,0.04); }

/* Nav mobile */
.nav__mobile {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(10,10,11,0.97);
  backdrop-filter: blur(20px);
  padding: 24px var(--page-pad);
  overflow-y: auto; z-index: 99;
}
.nav__mobile.open { display: block; }
.nav__mobile a {
  display: block; padding: 14px 0;
  color: var(--ink-2); font-size: 16px; font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.nav__mobile a:hover { color: var(--ink-1); }
.nav__mobile-group-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mono-xxs); font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--em); margin: 20px 0 4px;
}

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__menu-btn { display: inline-flex; }
}

/* ═══ FOOTER ═════════════════════════════════════════════════ */
.footer--quantos {
  padding: 80px 0 40px;
  border-top: 1px solid var(--line);
}
.footerQ__brand {
  margin-bottom: 40px;
  display: block;
  margin-left: -24px;
}
.footerQ__brand img {
  height: 56px;
  opacity: 1;
  display: block;
}
.footerQ__top {
  margin-bottom: 56px;
  max-width: 640px;
}
.footerQ__headline {
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink-1);
  margin: 0 0 12px;
}
.footerQ__subhead {
  font-size: 15px;
  color: var(--ink-3);
  margin: 0;
}
.footerQ__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
@media (max-width: 860px) {
  .footerQ__grid { grid-template-columns: 1fr; gap: 36px; }
}
.footerQ__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mono-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 14px;
  display: block;
}
.footerQ__links {
  display: flex; flex-direction: column; gap: 8px;
  font-size: var(--fs-mono-base);
  color: var(--ink-3);
  line-height: 1.5;
}
.footerQ__links a { transition: color 140ms var(--ease); }
.footerQ__links a:hover { color: var(--ink-1); }
.footerQ__group { margin-bottom: 16px; }
.footerQ__group:last-child { margin-bottom: 0; }
.footerQ__groupTitle {
  font-size: var(--fs-mono-md);
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 4px;
}
.footerQ__groupText {
  font-size: var(--fs-mono-md);
  color: var(--ink-4);
  line-height: 1.5;
}
.footerQ__groupText a { transition: color 140ms var(--ease); }
.footerQ__groupText a:hover { color: var(--ink-2); }
.footerQ__meta { margin-bottom: 32px; }
.footerQ__metaRow {
  display: flex; gap: 64px; flex-wrap: wrap;
}
.footerQ__metaBlock { display: flex; flex-direction: column; gap: 4px; }
.footerQ__metaText {
  font-size: var(--fs-mono-md);
  color: var(--ink-3);
  margin: 0; line-height: 1.5;
}
.footerQ__bottom {
  font-size: var(--fs-mono-sm);
  color: var(--ink-5);
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footerQ__legal { display: flex; gap: 20px; }
.footerQ__legal a {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mono-xs);
  font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-4);
  transition: color 140ms var(--ease);
}
.footerQ__legal a:hover { color: var(--ink-2); }

/* ── Footer mobile ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .footer--quantos { padding: 56px 0 32px; }
  .footerQ__brand { margin-left: 0; }
  .footerQ__brand img { height: 40px; }
  .footerQ__headline { font-size: clamp(18px, 5vw, 26px); }
  .footerQ__metaRow { gap: 32px; }
  .footerQ__bottom { flex-direction: column; align-items: flex-start; }
}

/* ═══ NAV HIDE ON SCROLL — JS controlled ════════════════════ */
/* Applied by scroll JS on all pages */
/* ── Nav drop-menu (sub-page variant) ── */
.nav__drop-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  padding: 8px;
  background: #141416;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 160ms var(--ease), transform 160ms var(--ease);
  list-style: none;
  z-index: 200;
}
.nav__drop:hover .nav__drop-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.nav__drop-menu li a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: var(--fs-mono-md);
  color: var(--ink-3);
  transition: color 140ms var(--ease), background 140ms var(--ease);
}
.nav__drop-menu li a:hover {
  color: var(--ink-1);
  background: rgba(255,255,255,0.04);
}
.nav__drop-menu li a span {
  font-size: var(--fs-mono-md);
  font-weight: 600;
  color: var(--ink-2);
}
.nav__drop-menu li a small {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* Nav dropdown caret — CSS-drawn triangle, font-independent */
.nav-caret {
  display: inline-block;
  margin-left: 6px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  vertical-align: middle;
  position: relative;
  top: -1px;
  opacity: 0.7;
}