/* ─── Design tokens ─────────────────────────────────────────── */
:root {
  --bg:          #D6D3CE;
  --bg-surface:  #CCCAC4;
  --ink:         #111111;
  --ink-2:       rgba(17, 17, 17, 0.50);
  --ink-3:       rgba(17, 17, 17, 0.25);
  --line-hair:   rgba(17, 17, 17, 0.20);
  --line-border: rgba(17, 17, 17, 0.50);
  --max-w:       1080px;
}

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

/* ─── Base ──────────────────────────────────────────────────── */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: 'DM Mono', ui-monospace, monospace;
  font-weight: 400;
  line-height: 1.6;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

/* Paper grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  opacity: 0.045;
  pointer-events: none;
  z-index: 100;
  transform: translateY(var(--grain-y, 0px));
  animation: grain-breathe 14s ease-in-out infinite;
  will-change: transform;
}

@keyframes grain-breathe {
  0%,  100% { background-position: 0%  0%;  }
  33%        { background-position: 28% 14%; }
  66%        { background-position: 55% 4%;  }
}

/* ─── Cursor light ──────────────────────────────────────────── */
#cursor-light {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 98;
  background: radial-gradient(
    500px circle at var(--cx, -9999px) var(--cy, -9999px),
    rgba(255, 248, 230, 0.18),
    transparent 65%
  );
}

/* ─── Typography ────────────────────────────────────────────── */
h1,
.project-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-optical-sizing: auto;
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-border);
  transition: border-color 0.1s ease;
}

a:hover {
  border-bottom-color: var(--ink);
}

a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 1px;
  border-bottom-color: transparent;
}

@media (prefers-reduced-motion: reduce) {
  a {
    transition: none;
  }
}

/* ─── Shared inner wrapper ──────────────────────────────────── */
.header-inner,
main,
.footer-inner {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2rem);
}

/* ─── Header ────────────────────────────────────────────────── */
header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--line-hair);
}

.header-inner {
  padding-block: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.header-label {
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
}

h1 {
  font-size: clamp(2rem, 7vw, 3.25rem);
}

/* ─── Main ──────────────────────────────────────────────────── */
main {
  flex: 1;
  padding-block: 3rem 5rem;
}

/* ─── Intro ─────────────────────────────────────────────────── */
.intro {
  margin-bottom: 3.5rem;
}

.intro p {
  font-size: 0.875rem;
  color: var(--ink-2);
  max-width: 46ch;
}

/* ─── Projects head ─────────────────────────────────────────── */
.projects-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
}

.label {
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.count {
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-3);
}

/* ─── Divider ───────────────────────────────────────────────── */
.divider {
  height: 1px;
  background-color: var(--line-hair);
}

/* ─── Projects grid ─────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

/* ─── Project card ──────────────────────────────────────────── */
.project {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  padding: 1.75rem;
  border-top: 1px solid var(--line-hair);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.45s ease, box-shadow 0.3s ease;
}

.project:nth-child(even) {
  border-left: 1px solid var(--line-hair);
  padding-left: calc(1.75rem - 1px);
}

.project.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Disable transform transition during tilt so mouse following is instant */
.project.tilt-active {
  transition: box-shadow 0.2s ease;
}

.project-num {
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-3);
  padding-top: 0.2rem;
}

.project-body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.project-cat {
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.project-title {
  font-size: clamp(1.25rem, 3.5vw, 1.625rem);
}

.project-title a {
  font-variation-settings: 'opsz' 9;
  transition: font-variation-settings 0.4s ease, border-color 0.1s ease;
}

.project-title a:hover {
  font-variation-settings: 'opsz' 144;
}

.project-body > p {
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.project-detail {
  font-size: 0.6875rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  margin-top: 0.2rem;
}

/* ─── Footer ────────────────────────────────────────────────── */
footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--line-hair);
}

.footer-inner {
  padding-block: 1.5rem;
  font-size: 0.6875rem;
  color: var(--ink-2);
  letter-spacing: 0.06em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-inner a {
  color: var(--ink-2);
  border-bottom-color: var(--line-hair);
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 700px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project:nth-child(even) {
    border-left: none;
    padding-left: 1.25rem;
  }

  .project {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 1.25rem;
  }

  .project-num {
    display: none;
  }

  .header-inner {
    padding-block: 1.75rem;
  }
}

/* ─── Reduced motion overrides ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  body::after {
    animation: none;
    transform: none;
  }
  #cursor-light {
    display: none;
  }
  .project {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .project-title a {
    transition: border-color 0.1s ease;
  }
}