/* ============================================================
   pixelenroute.fr — shared styles
   ============================================================ */

:root {
  /* base palette */
  --bg: #04060a;
  --bg-elev: #0a0f17;
  --bg-card: #0c1220;
  --line: rgba(120, 180, 220, 0.09);
  --line-strong: rgba(120, 180, 220, 0.18);
  --text: #e8eef5;
  --text-dim: #9aa6b8;
  --text-mute: #5a6576;

  /* accent — tweakable via JS (EDITMODE) */
  --accent-h: 215;   /* cyan by default */
  --accent-c: 0.15;
  --accent-l: 0.78;
  --accent: oklch(var(--accent-l) var(--accent-c) var(--accent-h));
  --accent-dim: oklch(var(--accent-l) var(--accent-c) var(--accent-h) / 0.5);
  --accent-ghost: oklch(var(--accent-l) var(--accent-c) var(--accent-h) / 0.12);
  --accent-glow: oklch(var(--accent-l) var(--accent-c) var(--accent-h) / 0.25);

  /* type */
  --f-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --f-body: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  /* layout */
  --maxw: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; }

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

body {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* subtle radial accent in the background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1000px 600px at 20% -10%, var(--accent-ghost), transparent 60%),
    radial-gradient(800px 500px at 90% 100%, var(--accent-ghost), transparent 60%);
  opacity: 0.7;
  z-index: 0;
}

a { color: var(--accent); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--text); }

img, video, iframe { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.8rem); line-height: 1.02; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); line-height: 1.1; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.2; }

p { margin: 0 0 1em; color: var(--text-dim); max-width: 62ch; }

/* ---------- layout helpers ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); position: relative; z-index: 1; }
.section { padding: clamp(72px, 10vw, 140px) 0; position: relative; z-index: 1; }
.section + .section { border-top: 1px solid var(--line); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 16px;
  text-transform: uppercase;
}
.brand-mark {
  width: 40px; height: 28px;
  background: url('logo-icon.png') no-repeat center / contain;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}
.brand-mark-lg {
  width: 56px; height: 36px;
}
.brand em {
  font-style: normal;
  color: var(--accent);
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  color: var(--text-dim);
  padding: 8px 14px;
  font-size: 14px;
  position: relative;
  font-family: var(--f-mono);
  letter-spacing: 0.04em;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px;
  bottom: 2px;
  height: 1px;
  background: var(--accent);
}
.nav-cta {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  color: var(--accent);
  transition: all .2s ease;
}
.nav-cta:hover { background: var(--accent); color: var(--bg); }

.nav-burger {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--text);
  padding: 8px 10px;
  cursor: pointer;
  font-family: var(--f-mono);
  font-size: 12px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid var(--accent);
  transition: all .2s ease;
  background: transparent;
  color: var(--accent);
}
.btn:hover {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 30px var(--accent-glow);
}
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(4px); }

.btn-solid {
  background: var(--accent);
  color: var(--bg);
}
.btn-solid:hover {
  background: transparent;
  color: var(--accent);
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
}
.btn-ghost:hover {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: none;
}

/* ---------- card ---------- */
.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg-card), transparent);
  padding: 32px;
  position: relative;
  transition: border-color .2s ease, transform .3s ease;
}
.card:hover { border-color: var(--accent-dim); }
.card .num {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--accent);
}

/* corner brackets for hero / featured cards */
.brackets { position: relative; }
.brackets::before, .brackets::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 1px solid var(--accent);
}
.brackets::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.brackets::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* ---------- hero ---------- */
.hero {
  padding-block: clamp(90px, 14vw, 160px) clamp(60px, 8vw, 100px);
  position: relative;
}
.hero h1 {
  max-width: 18ch;
}
.hero h1 .accent { color: var(--accent); }
.hero .lede {
  margin-top: 32px;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  max-width: 58ch;
  color: var(--text-dim);
}
.hero .cta-row {
  margin-top: 44px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- page header (inner pages) ---------- */
.pagehead {
  padding-block: clamp(80px, 10vw, 130px) clamp(40px, 6vw, 70px);
}
.pagehead .crumbs {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.pagehead .crumbs .sep { color: var(--accent); padding: 0 8px; }
.pagehead h1 { max-width: 20ch; }
.pagehead .desc {
  margin-top: 28px;
  font-size: 1.1rem;
  max-width: 60ch;
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 80px 0 40px;
  margin-top: 80px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 400;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 8px; font-size: 14px; }
.footer li a { color: var(--text-dim); }
.footer li a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.footer .brand-block p {
  font-size: 14px;
  max-width: 36ch;
  margin-top: 16px;
}

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- mono divider ---------- */
.divider {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line-strong);
}

/* ---------- media placeholder (striped) ---------- */
.placeholder {
  background:
    repeating-linear-gradient(45deg,
      rgba(120, 180, 220, 0.05) 0 10px,
      transparent 10px 20px),
    var(--bg-elev);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--text-mute);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  aspect-ratio: 16 / 9;
}

/* ---------- tweaks panel ---------- */
.tweaks-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 280px;
  background: var(--bg-elev);
  border: 1px solid var(--accent-dim);
  padding: 20px;
  z-index: 100;
  display: none;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px var(--line);
  font-family: var(--f-mono);
  font-size: 12px;
}
.tweaks-panel.on { display: block; }
.tweaks-panel h5 {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.tweaks-panel h5 .close { cursor: pointer; color: var(--text-mute); }
.tweaks-panel .group { margin-bottom: 18px; }
.tweaks-panel .group label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-mute);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.tweaks-panel .swatches { display: flex; gap: 8px; }
.tweaks-panel .swatch {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  background: var(--sw);
  position: relative;
}
.tweaks-panel .swatch.sel { border-color: #fff; }
.tweaks-panel .swatch.sel::after {
  content: '';
  position: absolute; inset: -4px;
  border: 1px solid #fff;
}
.tweaks-panel .chips { display: flex; gap: 6px; flex-wrap: wrap; }
.tweaks-panel .chip {
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  background: none;
  text-transform: uppercase;
}
.tweaks-panel .chip.sel {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- responsive ---------- */
@media (max-width: 840px) {
  .nav-links { display: none; }
  .nav-burger { display: inline-block; }
  .nav-cta { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}