:root {
  --bg: #f3eee4;
  --ink: #161412;
  --muted: #5e5850;
  --line: #d8d0c2;
  --paper: #faf6ee;
  --accent: #161412;
  --serif: "Cormorant Garamond", "Iwanami Mincho", "Noto Serif TC", serif;
  --sans: "Manrope", "Noto Sans TC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(rgba(40, 32, 22, 0.045) 0.55px, transparent 0.7px),
    linear-gradient(180deg, #f7f2e8 0%, #efe6d6 100%);
  background-size: 3px 3px, 100% 100%;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 0.8rem;
}

.skip:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 6vw;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.mark {
  display: block;
  flex-shrink: 0;
  text-decoration: none;
  line-height: 0;
}

.mark img {
  display: block;
  height: 44px;
  width: auto;
}

nav {
  display: flex;
  gap: 1.4rem;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

main {
  padding: 0 6vw 5rem;
}

.hero {
  padding: 12vh 0 10vh;
  max-width: 46rem;
}

.eyebrow {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--muted);
  margin: 0 0 1.2rem;
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.12;
  margin: 0 0 1.4rem;
  color: var(--ink);
}

.lede {
  max-width: 34rem;
  color: var(--muted);
  margin: 0;
  font-size: 1.12rem;
}

.section-head {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

h2 {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 400;
  margin: 0;
  color: var(--ink);
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.2rem;
}

.project {
  display: grid;
  grid-template-columns: auto 1fr minmax(140px, 22%);
  gap: 1.2rem;
  align-items: start;
  padding: 1.4rem;
  background: var(--paper);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
}

.project-index {
  font-family: var(--serif);
  color: var(--accent);
  font-size: 1.1rem;
}

.project-body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.25rem;
  color: var(--ink);
}

.project-body p {
  margin: 0 0 0.8rem;
  color: var(--muted);
}

.meta {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.project-visual {
  min-height: 7.5rem;
  background: linear-gradient(135deg, #e4d6c2 0%, #b9a48a 100%);
}

.project-visual.alt {
  background: linear-gradient(160deg, #d7ddd4 0%, #8fa094 100%);
}

.project-visual.warm {
  background: linear-gradient(145deg, #ead0bc 0%, #c4a08c 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 2rem;
  align-items: start;
}

.about-grid p {
  margin: 0;
  font-size: 1.2rem;
}

.about-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.about-grid li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.contact {
  padding-bottom: 2rem;
}

.mail {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  text-decoration: none;
  color: var(--ink);
}

.mail:hover {
  color: var(--accent);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 6vw 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 800px) {
  .mark img {
    height: 36px;
  }

  .project {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}