:root {
  --bg: #000000;
  --text: #ffffff;
  --text-muted: #888888;
  --line: #2a2a2a;
  --grid: rgba(255, 255, 255, 0.22);
  --grid-major: rgba(255, 255, 255, 0.38);
  --container: 1320px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --font-mono: 'IBM Plex Mono', monospace;
  --font-sans: 'Inter', sans-serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --nav-h: 5rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body.home,
body.page-template-front-page,
body.blog {
  /* scroll snap only on homepage */
}

body.home html,
html:has(body.home) {
  scroll-snap-type: y mandatory;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

html[dir="rtl"] body {
  font-family: 'Vazirmatn', var(--font-sans);
}

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.narrow {
  max-width: calc(720px + var(--gutter) * 2);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--nav-h) var(--gutter) 3rem;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.hero__grid-wrap {
  position: absolute;
  inset: -10% -5%;
  pointer-events: none;
  will-change: transform;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 192px 192px, 192px 192px, 48px 48px, 48px 48px;
  mask-image:
    radial-gradient(ellipse 60% 65% at 50% 45%, black 20%, transparent 75%),
    linear-gradient(to bottom, black 30%, transparent 100%);
  -webkit-mask-image:
    radial-gradient(ellipse 60% 65% at 50% 45%, black 20%, transparent 75%),
    linear-gradient(to bottom, black 30%, transparent 100%);
  mask-composite: intersect;
  -webkit-mask-composite: source-in;
  animation: gridDrift 18s linear infinite;
}

.hero__grid-glow { display: none; }

@keyframes gridDrift {
  0%   { background-position: 0 0, 0 0, 0 0, 0 0; }
  100% { background-position: 192px 192px, 192px 192px, 48px 48px, 48px 48px; }
}

.logo {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform, opacity;
}

.logo img {
  width: clamp(340px, 58vw, 720px);
  height: auto;
  display: block;
  background: transparent;
}

@media (min-width: 1200px) {
  .logo img { width: min(780px, 62vw); }
}

/* Projects list */
.projects { display: flex; flex-direction: column; }

.project {
  min-height: 100svh;
  display: flex;
  align-items: center;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  border-top: 1px solid var(--line);
  cursor: pointer;
  opacity: 0.35;
  transition: opacity 0.6s var(--ease);
}

.project.is-active { opacity: 1; }

.project__inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 1rem) var(--gutter) 3rem;
  display: grid;
  grid-template-columns: 38fr 62fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
}

.project__info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  min-height: clamp(200px, 28vw, 280px);
}

.project__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.project__title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.project__category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.project__desc {
  font-size: clamp(0.8rem, 1.5vw, 0.85rem);
  color: var(--text-muted);
  max-width: 38ch;
  line-height: 1.75;
}

.project__year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: auto;
}

.project__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #111;
}

.project__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s var(--ease);
}

.project:hover .project__media img { transform: scale(1.04); }

.footer {
  scroll-snap-align: end;
  padding: 2.5rem var(--gutter) 3rem;
  text-align: center;
  border-top: 1px solid var(--line);
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero .logo { animation: fadeUp 1s var(--ease) 0.2s both; }

/* Single project */
.project-hero {
  position: relative;
  padding: 0 0 4rem;
  overflow: hidden;
}

.project-hero__pattern {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.project-hero__grid-wrap {
  position: absolute;
  inset: -12% -6% 0;
  pointer-events: none;
  will-change: transform;
}

.project-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 192px 192px, 192px 192px, 48px 48px, 48px 48px;
  mask-image:
    radial-gradient(ellipse 85% 95% at 50% 48%, black 12%, transparent 82%),
    linear-gradient(to bottom, black 0%, black 72%, transparent 100%);
  -webkit-mask-image:
    radial-gradient(ellipse 85% 95% at 50% 48%, black 12%, transparent 82%),
    linear-gradient(to bottom, black 0%, black 72%, transparent 100%);
  mask-composite: intersect;
  -webkit-mask-composite: source-in;
  animation: gridDrift 18s linear infinite;
}

.project-hero__stage {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: clamp(72px, 12vw, 110px);
  padding: clamp(1.25rem, 3vw, 2rem) var(--gutter) clamp(1rem, 2.5vw, 1.5rem);
}

.project-hero__logo {
  display: block;
  will-change: transform;
  transition: opacity 0.25s var(--ease);
}

.project-hero__logo:hover {
  opacity: 0.88;
}

.project-hero__logo img {
  width: clamp(22px, 4vw, 40px);
  height: auto;
  display: block;
  background: transparent;
}

.project-hero__head,
.project-hero__intro-wrap {
  position: relative;
  z-index: 2;
}

.project-hero__intro-wrap {
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
}

@media (max-width: 900px) {
  .project-hero__logo img {
    width: clamp(18px, 6vw, 32px);
  }
  .project-hero__stage {
    min-height: clamp(56px, 14vw, 88px);
  }
  .project-hero { padding-bottom: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  .project-hero__grid { animation: none; }
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.breadcrumb a {
  color: #b8b8b8;
  transition: color 0.25s var(--ease);
}

.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { opacity: 0.35; }
.breadcrumb span:last-child {
  color: var(--text);
  opacity: 1;
}

.project-hero__layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem 4rem;
  align-items: start;
}

.project-hero__cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #b0b0b0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.project-hero__title {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 1.75rem;
}

.project-hero__intro {
  font-size: clamp(0.9rem, 1.6vw, 1rem);
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 52ch;
  margin: 0;
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-width: 140px;
  padding-top: 0.5rem;
}

.project-meta__item h4 {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: #9a9a9a;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.35rem;
}

.project-meta__item p {
  margin: 0;
  font-size: 0.9rem;
  color: #e8e8e8;
}

.cover { margin-bottom: clamp(3rem, 8vw, 6rem); }
.cover img { width: 100%; height: auto; display: block; }

.content { padding-bottom: clamp(3rem, 8vw, 6rem); }

.block-text { margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.block-text p {
  font-size: clamp(0.9rem, 1.6vw, 1rem);
  color: var(--text-muted);
  line-height: 1.9;
  max-width: 58ch;
  margin: 0;
}

.block-image { margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.block-image img { width: 100%; height: auto; display: block; }
.block-image--full {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.block-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 3vw, 2rem);
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.block-grid img { width: 100%; height: 100%; object-fit: cover; display: block; }

.project-nav {
  border-top: 1px solid var(--line);
  padding: clamp(2.5rem, 6vw, 4rem) 0;
}
.project-nav__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.project-nav__item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem 0;
  transition: opacity 0.3s var(--ease);
}
.project-nav__item:hover { opacity: 0.65; }
.project-nav__item--next { text-align: right; align-items: flex-end; }
.project-nav__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.project-nav__title {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 500;
}
.project-nav__desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 36ch;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .logo img { width: clamp(280px, 78vw, 420px); }
  .project__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .project__info { order: 2; min-height: auto; }
  .project__media { order: 1; }
  .project-hero__layout { grid-template-columns: 1fr; }
  .project-meta { flex-direction: row; gap: 2.5rem; }
  .block-grid { grid-template-columns: 1fr; }
  .project-nav__grid { grid-template-columns: 1fr; }
  .project-nav__item--next {
    text-align: left;
    align-items: flex-start;
    border-top: 1px solid var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__grid { animation: none; }
  .reveal { opacity: 1; transform: none; }
  .project { opacity: 1; }
}