/* ============================================================
   E+1 · shared styles
   ============================================================ */

:root {
  --paper: #EFEAE0;
  --paper-2: #E8E2D5;
  --ink: #0E0E0E;
  --ink-2: #2A2723;
  --ink-3: #5A5550;
  --ink-4: #8A8278;
  --rule: #B8AE9E;
  --rule-faint: #D5CCBC;
  --stamp: #B8261C;
  --grid: rgba(14, 14, 14, 0.045);

  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-draft: cubic-bezier(0.5, 0, 0.5, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: "opsz" 14, "SOFT" 30;
  font-feature-settings: "ss01", "ss02";
  line-height: 1.5;
  overflow-x: hidden;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.05 0 0 0 0 0.05 0 0 0 0 0.04 0 0 0 0 0.05 0 0 0 0.18 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.mono { font-family: 'JetBrains Mono', monospace; font-feature-settings: "ss02"; }

/* ============================================================
   Page transition system
   ============================================================ */

.page-veil {
  position: fixed;
  inset: 0;
  background: var(--paper);
  z-index: 200;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.55s var(--ease-out);
}
body.loaded .page-veil { opacity: 0; }
body.leaving .page-veil {
  opacity: 1;
  transition-duration: 0.35s;
  pointer-events: auto;
}

main {
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.8s var(--ease-out) 0.05s,
    transform 0.8s var(--ease-out) 0.05s;
}
body.loaded main { opacity: 1; transform: translateY(0); }
body.leaving main {
  opacity: 0;
  transform: translateY(-6px);
  transition-duration: 0.3s;
  transition-delay: 0s;
}

/* ============================================================
   Registration corners
   ============================================================ */

.reg-corner {
  position: fixed;
  width: 24px;
  height: 24px;
  z-index: 10;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.4);
  transition: opacity 0.6s var(--ease-out), transform 0.7s var(--ease-out);
}
body.loaded .reg-corner { opacity: 1; transform: scale(1); }
.reg-corner.tl { transition-delay: 0.15s; }
.reg-corner.tr { transition-delay: 0.22s; }
.reg-corner.bl { transition-delay: 0.29s; }
.reg-corner.br { transition-delay: 0.36s; }
body.leaving .reg-corner {
  opacity: 0;
  transform: scale(0.7);
  transition-delay: 0s;
  transition-duration: 0.25s;
}

.reg-corner::before, .reg-corner::after {
  content: "";
  position: absolute;
  background: var(--ink);
}
.reg-corner.tl { top: 18px; left: 18px; }
.reg-corner.tr { top: 18px; right: 18px; }
.reg-corner.bl { bottom: 18px; left: 18px; }
.reg-corner.br { bottom: 18px; right: 18px; }
.reg-corner::before { top: 0; left: 11px; width: 2px; height: 24px; }
.reg-corner::after { top: 11px; left: 0; width: 24px; height: 2px; }

/* ============================================================
   Nav
   ============================================================ */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 20px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 20;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(to bottom, var(--paper) 60%, transparent);
}

nav .logo {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 0, "WONK" 1;
  font-size: 22px;
  letter-spacing: -0.02em;
  text-transform: none;
  position: relative;
  cursor: pointer;
  text-decoration: none;
  color: var(--ink);
  display: inline-block;
}
nav .logo .plus { color: var(--stamp); font-weight: 600; }
nav .logo .ghost {
  position: absolute;
  left: 0; top: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
  font-style: italic;
  color: var(--ink-3);
}
nav .logo:hover .visible { opacity: 0; }
nav .logo:hover .ghost { opacity: 1; }
nav .logo .visible { transition: opacity 0.4s ease; }

nav ul { display: flex; gap: 36px; list-style: none; }
nav a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 4px;
}
nav a:hover { color: var(--stamp); }
nav a.active { color: var(--stamp); }
nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--stamp);
  animation: drawRule 0.6s var(--ease-out) both;
}
@keyframes drawRule { from { transform: scaleX(0); transform-origin: left; } to { transform: scaleX(1); } }

/* ============================================================
   Buttons / shared atoms
   ============================================================ */

.btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--stamp);
  transform: translateY(101%);
  transition: transform 0.35s var(--ease-out);
  z-index: -1;
}
.btn:hover { border-color: var(--stamp); background: var(--stamp); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--stamp);
}

.stamp {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stamp);
  border: 1.5px solid var(--stamp);
  padding: 8px 14px;
  transform: rotate(-6deg);
  background: var(--paper);
  display: inline-block;
}

/* ============================================================
   Footer
   ============================================================ */

footer {
  padding: 60px 56px 80px;
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  position: relative;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand .footer-logo {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 0, "WONK" 1;
  font-size: 64px;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
  text-decoration: none;
  color: var(--ink);
  display: inline-block;
}
.footer-brand .footer-logo .plus { color: var(--stamp); }
.footer-brand p {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  line-height: 1.7;
  color: var(--ink-3);
  max-width: 36ch;
}
.footer-col h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col ul { list-style: none; }
.footer-col li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  margin-bottom: 8px;
}
.footer-col a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--stamp); }

.footer-baseline {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-4);
  text-transform: uppercase;
}

/* ============================================================
   Reveal (IntersectionObserver-driven)
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal-stagger.in-view > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.in-view > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.in-view > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.in-view > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.in-view > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.in-view > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.in-view > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.in-view > *:nth-child(7) { transition-delay: 0.47s; }
.reveal-stagger.in-view > *:nth-child(8) { transition-delay: 0.54s; }

/* Word-by-word reveal */
.word-reveal .w {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}
.word-reveal.in-view .w { opacity: 1; transform: translateY(0); }

/* SVG line draw */
.draw-line {
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
}
.draw-line.in-view {
  animation: drawIn 2.4s var(--ease-draft) forwards;
}
@keyframes drawIn { to { stroke-dashoffset: 0; } }

/* ============================================================
   Responsive base
   ============================================================ */

@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  nav ul { gap: 18px; font-size: 10px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-baseline { flex-direction: column; gap: 8px; }
  .reg-corner { display: none; }
  footer { padding: 40px 24px 60px; }
}

@media (max-width: 600px) {
  nav ul { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-stagger > *, .word-reveal .w, main {
    opacity: 1 !important;
    transform: none !important;
  }
  .page-veil { display: none; }
}