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

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

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

/* ---------- Tokens ---------- */
:root {
  --bg: #f3efe8;
  --fg: #201d19;
  --fg-muted: #6f6a62;
  --border: #ddd5c8;
  --nav-h: 84px;
  --gutter: clamp(20px, 4vw, 48px);
  --font: "Helvetica Neue", "Inter", "Arial", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Nav ---------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  mix-blend-mode: difference;
}

.wordmark-group {
  display: flex;
  flex-direction: column;
}

.site-nav .wordmark {
  font-size: 16px;
  letter-spacing: 0.02em;
  color: #fff;
}

.wordmark-sub {
  font-size: 16px;
  letter-spacing: 0.02em;
  color: #fff;
  opacity: 0.55;
}

.site-nav .links {
  display: flex;
  gap: clamp(14px, 3vw, 44px);
}

@media (max-width: 400px) {
  .site-nav {
    padding: 0 16px;
  }
  .site-nav .wordmark,
  .wordmark-sub {
    font-size: 14px;
  }
}

.site-nav .links a {
  font-size: 16px;
  letter-spacing: 0.02em;
  color: #fff;
  opacity: 0.55;
  transition: opacity 0.2s ease;
}

.site-nav .links a:hover {
  opacity: 0.8;
}

.site-nav .links a[aria-current="page"] {
  opacity: 1;
}

/* ---------- Mobile nav toggle ---------- */
.nav-toggle-checkbox {
  position: fixed;
  top: 0;
  left: 0;
  opacity: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 22px;
  height: 16px;
  cursor: pointer;
}

.nav-toggle-label span {
  display: block;
  width: 100%;
  height: 1px;
  background: #fff;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle-checkbox:focus-visible ~ .site-nav .nav-toggle-label {
  outline: 1px solid #fff;
  outline-offset: 6px;
}

.mobile-menu {
  display: none;
}

@media (max-width: 720px) {
  .site-nav .links {
    display: none;
  }

  .nav-toggle-label {
    display: flex;
  }

  .mobile-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    z-index: 99;
    flex-direction: column;
    gap: 20px;
    background: var(--bg);
    padding: 24px var(--gutter) 32px;
  }

  .nav-toggle-checkbox:checked ~ .mobile-menu {
    display: flex;
  }

  .nav-toggle-checkbox:checked ~ .site-nav {
    background: var(--bg);
    mix-blend-mode: normal;
  }

  .nav-toggle-checkbox:checked ~ .site-nav .wordmark {
    color: var(--fg);
  }

  .nav-toggle-checkbox:checked ~ .site-nav .nav-toggle-label span {
    background: var(--fg);
  }

  .mobile-menu a {
    font-size: 16px;
    letter-spacing: 0.02em;
    color: var(--fg);
    opacity: 0.7;
  }

  .mobile-menu a[aria-current="page"] {
    opacity: 1;
    font-weight: 500;
  }

  .nav-toggle-checkbox:checked ~ .site-nav .nav-toggle-label span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle-checkbox:checked ~ .site-nav .nav-toggle-label span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle-checkbox:checked ~ .site-nav .nav-toggle-label span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}

/* ---------- Project scatter feed ---------- */
.project-track {
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-h) + 24px) var(--gutter) 96px;
}

.scroll-sentinel {
  width: 1px;
  height: 1px;
}

.project-card {
  display: block;
  margin-top: 144px;
}

.project-card:first-of-type {
  margin-top: 0;
}

.project-card:nth-of-type(4n+2) {
  margin-top: 8px;
}

.project-tile {
  position: relative;
  overflow: hidden;
}

.project-tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-tile:hover img {
  transform: scale(1.035);
}

.tile-info {
  padding-top: 18px;
}

.tile-info .tile-title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.tile-info .tile-meta {
  font-size: 16px;
  font-weight: 400;
  color: var(--fg-muted);
  margin-top: 4px;
}

.project-card:nth-of-type(4n+1) {
  width: 26%;
  align-self: flex-start;
}
.project-card:nth-of-type(4n+1) .project-tile {
  aspect-ratio: 3 / 4;
}

.project-card:nth-of-type(4n+2) {
  width: 58%;
  align-self: flex-end;
}
.project-card:nth-of-type(4n+2) .project-tile {
  aspect-ratio: 16 / 9;
}

.project-card:nth-of-type(4n+3) {
  width: 44%;
  align-self: flex-start;
  margin-left: 8%;
}
.project-card:nth-of-type(4n+3) .project-tile {
  aspect-ratio: 16 / 9;
}

.project-card:nth-of-type(4n+4) {
  width: 50%;
  align-self: center;
}
.project-card:nth-of-type(4n+4) .project-tile {
  aspect-ratio: 16 / 9;
}

@media (max-width: 720px) {
  .project-track {
    padding: calc(var(--nav-h) + 32px) 0 64px;
  }
  .project-card,
  .project-card:nth-of-type(4n+1),
  .project-card:nth-of-type(4n+2),
  .project-card:nth-of-type(4n+3),
  .project-card:nth-of-type(4n+4) {
    width: 100%;
    align-self: stretch;
    margin-left: 0;
    margin-top: 56px;
  }
  .project-card:first-of-type {
    margin-top: 0;
  }
  .tile-info {
    padding: 18px 24px 0;
  }
}

/* ---------- About ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 42%);
  gap: clamp(32px, 6vw, 96px);
  padding: calc(var(--nav-h) + 48px) var(--gutter) 0;
  align-items: start;
}

.about-portrait {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  width: 60%;
  margin-left: auto;
}

.about-portrait img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.about-copy {
  max-width: 33vw;
  padding-bottom: 120px;
}

.about-copy p {
  font-size: 16px;
  line-height: 1.4;
  color: var(--fg);
  margin-bottom: 1.25rem;
  text-wrap: pretty;
}

@media (max-width: 860px) {
  .about-layout {
    grid-template-columns: 1fr;
  }
  .about-copy {
    max-width: 100%;
    padding-bottom: 24px;
  }
  .about-portrait {
    position: static;
    width: 100%;
    max-width: 420px;
    margin-left: 0;
  }
}

/* ---------- Project page ---------- */
.project-layout {
  display: grid;
  grid-template-columns: 1fr 66%;
  align-items: start;
}

.project-text {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  padding: 0 var(--gutter) 48px var(--gutter);
}

.project-text .eyebrow {
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--fg-muted);
  margin-bottom: 32px;
}

.project-text h1 {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.005em;
  margin-bottom: 0;
}

.project-text h1 + p {
  margin-top: 24px;
}

.project-text p {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--fg);
}

.project-text p + p {
  margin-top: 24px;
}

.ffe-label {
  font-weight: 500;
}

.project-text .option-title {
  font-weight: 500;
}

.project-text .option-title + .option-items {
  margin-top: 8px;
}

.project-gallery {
  padding-top: calc(var(--nav-h) + 24px);
  padding-bottom: 96px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.project-gallery img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.project-gallery.grid-2up {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.project-gallery.grid-2up img {
  aspect-ratio: 3 / 4;
}

@media (max-width: 560px) {
  .project-gallery.grid-2up {
    grid-template-columns: 1fr;
  }
}

.gallery-caption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.1;
  color: var(--fg-muted);
}


@media (max-width: 860px) {
  .project-layout {
    grid-template-columns: 1fr;
  }
  .project-text {
    position: static;
    padding-top: calc(var(--nav-h) + 32px);
  }
  .project-gallery {
    padding-top: 0;
  }
  .gallery-caption {
    padding: 0 var(--gutter);
  }
}

/* ---------- Contact ---------- */
.contact-main {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) var(--gutter) 80px;
}

.contact-main .eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 18px;
}

.contact-main h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 40px;
  max-width: 16ch;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-links a {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 400;
  border-bottom: 1px solid transparent;
  width: max-content;
  transition: border-color 0.25s ease;
}

.contact-links a:hover {
  border-color: var(--fg);
}

.contact-meta {
  margin-top: 56px;
  color: var(--fg-muted);
  font-size: 0.95rem;
  max-width: 40ch;
  line-height: 1.6;
}