:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #888888;
  --line: #e6e6e6;
  --gutter: clamp(20px, 5vw, 60px);
  --nav-h: 64px;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  background: rgba(255,255,255,0.86);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
  z-index: 50;
}

.brand {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.4;
  white-space: nowrap;
}

.nav { display: flex; gap: 32px; }
.nav a {
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.4;
  transition: color .2s ease;
}
.nav a:hover,
.nav a.active { color: var(--fg); }
.nav .nav-email {
  display: none;
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  width: 28px;
  height: 18px;
  position: relative;
  padding: 0;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--fg);
  transition: transform .3s ease, opacity .2s ease, top .3s ease;
}
.menu-toggle span { top: 50%; transform: translateY(-50%); }
.menu-toggle span::before { top: -8px; }
.menu-toggle span::after { top: 8px; }
.menu-toggle.open span { background: transparent; }
.menu-toggle.open span::before { top: 0; transform: rotate(45deg); }
.menu-toggle.open span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Layout ---------- */
.page {
  padding-top: var(--nav-h);
  min-height: 100vh;
}

/* ---------- Home ---------- */
.home {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--nav-h));
  padding: var(--gutter);
  text-align: center;
  overflow: hidden;
}
.home-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.home-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
  z-index: 1;
}
.home-nav { position: relative; z-index: 2; }
.home-mail {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  background: rgba(0,0,0,0.15);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background .2s ease, transform .2s ease;
}
.home-mail:hover {
  background: rgba(0,0,0,0.4);
  transform: translateX(-50%) scale(1.05);
}
.home-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-size: clamp(20px, 4vw, 44px);
  font-weight: 300;
  letter-spacing: 0.04em;
}
.home-nav a {
  color: #ffffff;
  text-shadow: 0 1px 12px rgba(0,0,0,0.45);
  transition: opacity .2s ease;
}
.home-nav a:hover { opacity: 0.5; }
.home-nav .dot { color: #ffffff; font-weight: 300; text-shadow: 0 1px 12px rgba(0,0,0,0.45); }

/* ---------- Work ---------- */
.work-intro {
  padding: calc(var(--gutter) * 1.2) var(--gutter) var(--gutter);
  max-width: 1200px;
}
.work-intro h2 {
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 44px);
  margin-top: 18px;
}
.cat-tabs {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.cat-tabs a { color: var(--muted); transition: color .2s ease; }
.cat-tabs a:hover,
.cat-tabs a.active { color: var(--fg); }
.cat-tabs .dot { color: var(--muted); }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 0 var(--gutter) var(--gutter);
}

.tile {
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  background: #f4f4f4;
}
.tile img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .6s ease, opacity .3s ease;
}
.tile:hover img { transform: scale(1.03); }

.tile-video {
  cursor: default;
  background: #000;
  aspect-ratio: 4 / 5;
}
.tile-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 900px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .gallery { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(17,17,17,0.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.lb-close, .lb-nav {
  position: absolute;
  background: none;
  border: 0;
  color: #fff;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity .2s;
}
.lb-close:hover, .lb-nav:hover { opacity: 1; }
.lb-close { top: 22px; right: 28px; font-size: 14px; }
.lb-prev { left: 24px; top: 50%; transform: translateY(-50%); font-size: 28px; }
.lb-next { right: 24px; top: 50%; transform: translateY(-50%); font-size: 28px; }

/* ---------- About ---------- */
.about {
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  text-align: center;
  padding: calc(var(--gutter) * 1.6) var(--gutter);
  min-height: calc(100vh - var(--nav-h));
}
.about-inner { max-width: 640px; }
.about h1 {
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(34px, 6vw, 64px);
  margin-bottom: 28px;
}
.about p {
  color: #444;
  font-size: 16px;
  margin-bottom: 18px;
}
.about .contact {
  margin-top: 40px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.about .contact a {
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  color: var(--fg);
}
.about .contact a:hover { border-color: var(--fg); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px var(--gutter);
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .nav {
    position: fixed;
    top: var(--nav-h);
    right: 0;
    height: calc(100vh - var(--nav-h));
    width: 100%;
    background: #fff;
    border-left: 1px solid var(--line);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
    padding: 36px 28px 28px;
    transform: translateX(100%);
    transition: transform .3s ease;
  }
  .nav.open { transform: translateX(0); }
  .nav a {
    font-size: 28px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--fg);
  }
  .nav .nav-email {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
    text-align: center;
    margin-top: 0;
    font-size: 12px;
    color: #111111;
    border-top: none;
    padding-top: 0;
    text-transform: none;
    letter-spacing: 0.1em;
  }
  .nav .nav-email svg {
    color: #111111;
    stroke: #111111;
    flex-shrink: 0;
  }
  .nav .nav-email span {
    color: #111111;
  }
}