:root {
  --bg: #ffffff;
  --fg: #0d0d0f;
  --muted: #8a8a90;
  --line: #ececec;
  --accent: #0d0d0f;
  --card: #ffffff;
  --media: #f4f4f4;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --maxw: 980px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.accent {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.5px;
}
.dot { color: var(--fg); }

/* ───────── NAV ───────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.nav.scrolled { border-color: var(--line); }
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 21px;
  letter-spacing: -1px;
}
.nav-links { display: flex; gap: 30px; font-size: 15px; }
.nav-links a { color: var(--muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px; height: 2px; background: var(--fg);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.nav-menu {
  display: none;
  flex-direction: column;
  padding: 0 32px;
  max-height: 0;
  overflow: hidden;
  border-top: 1px solid transparent;
  transition: max-height 0.3s ease, border-color 0.3s ease;
}
.nav-menu a {
  padding: 16px 0;
  font-size: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
}
.nav-menu.open { max-height: 280px; border-color: var(--line); padding-bottom: 12px; }

/* ───────── HERO ───────── */
.hero { padding: 84px 0 64px; max-width: 800px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.5px;
  margin-bottom: 26px;
}
.hero-title {
  font-size: 52px;
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -1.8px;
  margin-bottom: 28px;
}
.hero-lede {
  font-size: 19px;
  line-height: 1.62;
  color: #3a3a42;
  max-width: 60ch;
}
.hero-lede strong { font-weight: 600; color: var(--fg); }

/* ───────── SECTIONS ───────── */
.section { padding: 56px 0; border-top: 1px solid var(--line); }
.section-label {
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 36px;
}

/* ───────── WORK GRID ───────── */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 38px 32px;
}
.card { display: block; }
.card-media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
  background: var(--media);
}
.card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(.2,.7,.2,1);
}
.card:hover .card-media img { transform: scale(1.035); }
.card-title {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.4px;
  margin: 20px 0 6px;
  transition: color 0.15s;
}
.card:hover .card-title { color: var(--accent); }
.card:not(.card--soft) .card-title::after {
  content: "↗";
  display: inline-block;
  margin-left: 6px;
  opacity: 0;
  transform: translate(-4px, 2px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.card:not(.card--soft):hover .card-title::after {
  opacity: 1;
  transform: translate(0, 0);
}
.card-meta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.2px;
}
.card-desc {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.55;
  color: #4a4a52;
  max-width: 46ch;
}
.card--soft { cursor: default; }
.card--soft:hover .card-media img { transform: none; }
.card--soft:hover .card-title { color: var(--fg); }

/* ───────── ABOUT ───────── */
.about {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 56px;
}
.about-main p {
  margin-bottom: 18px;
  color: #34343c;
  font-size: 18px;
  line-height: 1.7;
}
.about-main p:last-child { margin-bottom: 0; }
.about-main strong { font-weight: 600; color: var(--fg); }
.aside-group { margin-bottom: 30px; }
.aside-group h4 {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 14px;
  font-weight: 500;
}
.aside-group ul { list-style: none; }
.aside-group li {
  font-size: 15px;
  color: #34343c;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
}
.aside-group li:last-child { border-bottom: none; }

/* ───────── FOOTER ───────── */
.footer {
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 72px 0 64px;
}
.footer-cta { margin-bottom: 64px; }
.footer-head {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -1.2px;
  margin-bottom: 22px;
}
.footer-mail {
  display: inline-block;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.5px;
  border-bottom: 2px solid var(--line);
  padding-bottom: 3px;
  transition: color 0.15s, border-color 0.15s;
}
.footer-mail:hover { color: var(--accent); border-color: var(--accent); }
.footer-link {
  display: inline-block;
  margin-left: 26px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--muted);
}
.footer-link:hover { color: var(--accent); }
.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.footer-brand {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -1px;
}
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
  font-size: 14px;
  color: var(--muted);
}
.footer-mono { font-family: var(--mono); font-size: 12px; }

/* ───────── ANIMATION ───────── */
@media (prefers-reduced-motion: no-preference) {
  /* Work cards: reveal on scroll, staggered */
  .card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  }
  .card.in { opacity: 1; transform: none; }
  .grid .card:nth-child(2) { transition-delay: 0.08s; }
  .grid .card:nth-child(3) { transition-delay: 0.16s; }
  .grid .card:nth-child(4) { transition-delay: 0.06s; }
  .grid .card:nth-child(5) { transition-delay: 0.14s; }
  .grid .card:nth-child(6) { transition-delay: 0.10s; }

  /* card lift on hover (override stagger delay so hover feels instant) */
  .card.in:not(.card--soft):hover {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
    transition-delay: 0s;
  }

  /* Hero: gentle load-in */
  .hero > * {
    opacity: 0;
    transform: translateY(18px);
    animation: rise 0.85s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  }
  .hero .eyebrow { animation-delay: 0.05s; }
  .hero-title { animation-delay: 0.14s; }
  .hero-lede { animation-delay: 0.26s; }
  @keyframes rise { to { opacity: 1; transform: none; } }

  /* Section labels fade in */
  .section-label, .about { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2,0.7,0.2,1); }
  .section-label.in, .about.in { opacity: 1; transform: none; }
}

/* ───────── RESPONSIVE ───────── */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { padding: 0 24px; }
  .nav-inner { padding: 18px 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu { display: flex; }

  .hero { padding: 56px 0 44px; }
  .hero-title { font-size: 36px; letter-spacing: -1.2px; }
  .hero-lede { font-size: 17px; }

  .grid { grid-template-columns: 1fr; gap: 34px; }
  .about { grid-template-columns: 1fr; gap: 36px; }

  .footer-head { font-size: 30px; }
  .footer-mail { font-size: 21px; }
  .footer-link { display: block; margin-left: 0; margin-top: 16px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}