/* ---- Reset & tokens ---- */
*,
*::before,
*::after { box-sizing: border-box; }

:root {
  --bg: #f6f5f2;
  --fg: #141414;
  --muted: #6b6b6b;
  --line: #e0ded9;
  --accent: #141414;
  --max: 1200px;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; margin: 0; }
a { color: inherit; text-decoration: none; }

/* ---- Header / nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.1rem var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo { font-weight: 700; letter-spacing: -0.01em; font-size: 1.05rem; display: inline-flex; align-items: center; gap: 0.7rem; }
.nav__logo-img {
  height: clamp(42px, 6vw, 58px);
  width: auto;
  display: block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav__logo-name { font-weight: 700; letter-spacing: -0.01em; font-size: 1.05rem; }
.nav__logo:hover .nav__logo-img { transform: scale(1.04); opacity: 0.9; }
.nav__links { display: flex; gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.2s ease;
}
.nav__links a:hover { color: var(--fg); }

/* ---- Hero ---- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 12vw, 9rem) var(--pad) clamp(3rem, 7vw, 5rem);
}
.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}
.hero__title {
  font-size: clamp(2.25rem, 6vw, 4.75rem);
  max-width: 15ch;
  margin: 0 0 1.5rem;
}
.hero__lede { font-size: 1.15rem; color: var(--muted); max-width: 42ch; margin: 0 0 2.5rem; }
.hero__cta {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 999px;
  font-size: 0.95rem;
  transition: transform 0.15s ease, opacity 0.2s ease;
}
.hero__cta:hover { transform: translateY(-2px); opacity: 0.9; }

/* ---- Section head ---- */
.section-head {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
}
.section-head h2 {
  font-size: clamp(1.9rem, 4.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.section-head__count { color: var(--muted); font-size: 1rem; }

/* ---- Work grid ---- */
.work { padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(3rem, 7vw, 5rem); }
.grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--pad) 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.card { display: block; cursor: pointer; }
.card__thumb {
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  overflow: hidden;
  display: grid;
  place-items: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover .card__thumb {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.12);
}
.card__thumb span {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: rgba(255, 255, 255, 0.92);
  padding: 0 1rem;
  text-align: center;
  mix-blend-mode: overlay;
}
.card__thumb--img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12%;
}
.card__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.9rem;
  gap: 1rem;
}
.card__title { font-weight: 600; font-size: 1.05rem; }
.card__year { color: var(--muted); font-size: 0.9rem; flex: none; }
.card__tag {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

/* ---- About ---- */
.about { border-top: 1px solid var(--line); }
.about__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) var(--pad);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 780px;
}
.about h2 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.about p { margin: 0; font-size: 1.15rem; }

/* ---- Footer ---- */
.footer { background: var(--fg); color: var(--bg); }
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 7rem) var(--pad) 3rem;
}
.footer__title { font-size: clamp(2rem, 6vw, 3.5rem); margin-bottom: 1.5rem; }
.footer__email {
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}
.footer__email:hover { border-color: rgba(255, 255, 255, 0.9); }
.footer__social {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  padding: 0;
  margin: 2.5rem 0 4rem;
}
.footer__social a { color: rgba(255, 255, 255, 0.75); font-size: 0.95rem; transition: color 0.2s ease; }
.footer__social a:hover { color: #fff; }
.footer__copy { color: rgba(255, 255, 255, 0.5); font-size: 0.85rem; margin: 0; }

/* ---- Motion / reveal ---- */
.card { opacity: 0; transform: translateY(16px); }
.card.is-visible { opacity: 1; transform: none; transition: opacity 0.5s ease, transform 0.5s ease; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { opacity: 1; transform: none; }
  .card.is-visible { transition: none; }
}

/* ---- Card affordance ---- */
.card:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 6px;
  border-radius: 8px;
}

/* ---- Project overview overlay ---- */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--bg);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0.3s;
}
.overlay.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
body.overlay-open { overflow: hidden; }

.overlay__bar {
  position: sticky;
  top: 0;
  z-index: 2;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}
.overlay__back {
  font: inherit;
  font-size: 0.95rem;
  color: var(--fg);
  background: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.overlay__back:hover { background: #fff; border-color: var(--fg); }
.overlay__crumb { color: var(--muted); font-size: 0.95rem; }

.overlay__body {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) var(--pad) 6rem;
}
.overlay__head {
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(1.5rem, 4vw, 3rem);
}
.overlay__head-text { max-width: 60ch; }
.overlay__logo {
  flex: none;
  width: clamp(96px, 15vw, 168px);
  height: auto;
}
@media (max-width: 560px) {
  .overlay__logo { width: 80px; }
}
.overlay__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0 0 1rem;
}
.overlay__title { font-size: clamp(2.25rem, 6vw, 4rem); margin: 0 0 1.25rem; }
.overlay__desc { font-size: 1.15rem; color: var(--muted); margin: 0; }

.material-section { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.material-section__label {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
  margin: 0 0 1.75rem;
}
.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.material {
  border-radius: 6px;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  padding: 1rem;
  cursor: zoom-in;
  border: none;
  width: 100%;
  font-family: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.material:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15); }
.material:focus-visible { outline: 2px solid var(--fg); outline-offset: 4px; }
.material--tall { aspect-ratio: 3 / 4; }
.material--wide { aspect-ratio: 16 / 9; grid-column: 1 / -1; }
.material--sign { aspect-ratio: 3 / 2; }
.material-grid--wide { grid-template-columns: repeat(2, 1fr); }
.material--img { padding: 0; overflow: hidden; position: relative; }
.material--img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.5rem;
}

/* ---- Full-screen image lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(12, 12, 12, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0s linear 0.25s;
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.25s ease;
}
.lightbox__stage {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  max-height: 100%;
}
.lightbox__img {
  border-radius: 4px;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  height: min(78vh, 620px);
  aspect-ratio: 4 / 3;
  max-width: 92vw;
}
.lightbox__img--tall { height: min(82vh, 760px); aspect-ratio: 3 / 4; }
.lightbox__img--wide { height: min(64vh, 520px); aspect-ratio: 16 / 9; }
.lightbox__photo {
  max-width: 92vw;
  max-height: 84vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  background: rgba(255, 255, 255, 0.03);
}

.lightbox__nav,
.lightbox__close {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}
.lightbox__nav:hover,
.lightbox__close:hover { background: rgba(255, 255, 255, 0.22); border-color: rgba(255, 255, 255, 0.6); }
.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  font-size: 1.75rem;
  line-height: 1;
}
.lightbox__nav--prev { left: clamp(0.75rem, 3vw, 2rem); }
.lightbox__nav--next { right: clamp(0.75rem, 3vw, 2rem); }
.lightbox__nav[hidden] { display: none; }
.lightbox__close {
  top: clamp(0.75rem, 3vw, 1.75rem);
  right: clamp(0.75rem, 3vw, 1.75rem);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  font-size: 1.6rem;
  line-height: 1;
}
.lightbox__caption {
  position: absolute;
  bottom: clamp(1rem, 4vw, 2.25rem);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-align: center;
  padding: 0 1rem;
}
.lightbox__caption strong { color: #fff; font-weight: 600; }
.lightbox__count { color: rgba(255, 255, 255, 0.55); margin-left: 0.6rem; }

/* ---- Small screens ---- */
@media (max-width: 560px) {
  .nav__links { gap: 1.1rem; }
  .grid { grid-template-columns: 1fr; }
  .material-grid { grid-template-columns: 1fr; }
}