@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Noto+Serif+SC:wght@500;600;700;900&display=swap");

:root {
  --ink: #1d1d18;
  --muted: #77756d;
  --paper: #f3f0e8;
  --paper-deep: #e8e3d8;
  --signal: #e75b32;
  --night: #171713;
  --line: rgba(29, 29, 24, 0.16);
  --serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: "DM Sans", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  color: var(--ink);
  background: var(--paper);
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: var(--sans);
  background:
    linear-gradient(rgba(29, 29, 24, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 34px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 82px;
  padding: 0 4.5vw;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.79rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.wordmark i {
  width: 22px;
  height: 1px;
  background: var(--signal);
}

.header-title,
.header-count {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.header-title {
  color: var(--muted);
}

.header-count {
  justify-self: end;
}

.intro {
  display: grid;
  grid-template-columns: minmax(80px, 0.38fr) minmax(0, 1.8fr) minmax(240px, 0.75fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: end;
  min-height: 52vh;
  padding: clamp(5rem, 10vw, 9rem) 7vw clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.intro-index,
.archive-index {
  align-self: start;
  color: var(--signal);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.eyebrow {
  margin-bottom: 1.5rem;
  color: var(--signal);
  font-size: 0.69rem;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.intro h1 {
  max-width: 900px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 7vw, 7rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.065em;
  text-wrap: balance;
  animation: rise-in 800ms 100ms both;
}

.intro h1 em {
  color: var(--signal);
  font-style: normal;
}

.intro-note {
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--ink);
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  line-height: 1.8;
  animation: rise-in 800ms 220ms both;
}

.archive {
  padding: clamp(4rem, 8vw, 8rem) 7vw clamp(6rem, 10vw, 10rem);
}

.archive-head {
  display: grid;
  grid-template-columns: minmax(80px, 0.38fr) minmax(0, 1.8fr) minmax(240px, 0.75fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: baseline;
  margin-bottom: clamp(2.5rem, 5vw, 5rem);
}

.archive-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: -0.035em;
}

.archive-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

.article-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.article-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
  min-height: 430px;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  text-decoration: none;
}

.article-cover {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background: var(--night);
}

.article-cover::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(12, 13, 11, 0.22), transparent 55%),
    linear-gradient(0deg, rgba(12, 13, 11, 0.48), transparent 48%);
  transition: opacity 300ms ease;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 650ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.article-number {
  position: absolute;
  z-index: 1;
  top: 1.5rem;
  left: 1.5rem;
  color: white;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}

.article-main {
  display: flex;
  flex-direction: column;
  padding: clamp(2rem, 4.5vw, 5rem);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-bottom: clamp(2rem, 4vw, 4rem);
  color: var(--signal);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.article-card h3 {
  max-width: 800px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.7vw, 4rem);
  font-weight: 900;
  line-height: 1.13;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.article-description {
  max-width: 700px;
  margin: 1.6rem 0 2.5rem;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(0.96rem, 1.15vw, 1.1rem);
  line-height: 1.8;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.article-action {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid var(--ink);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.article-action i {
  width: 34px;
  height: 1px;
  background: var(--signal);
  transition: width 220ms ease;
}

.article-card:hover .article-cover img {
  transform: scale(1.035);
}

.article-card:hover .article-action i {
  width: 54px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.4rem 4.5vw;
  color: rgba(255, 255, 255, 0.58);
  background: var(--night);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
}

@media (max-width: 900px) {
  .intro,
  .archive-head {
    grid-template-columns: 55px minmax(0, 1fr);
  }

  .intro-note,
  .archive-head p {
    grid-column: 2;
  }

  .article-card {
    grid-template-columns: 1fr;
  }

  .article-cover {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 640px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 70px;
    padding: 0 1.25rem;
  }

  .header-title {
    display: none;
  }

  .intro {
    display: block;
    min-height: auto;
    padding: 5rem 1.25rem 4.5rem;
  }

  .intro-index {
    display: block;
    margin-bottom: 2rem;
  }

  .intro h1 {
    font-size: clamp(3rem, 15vw, 4.8rem);
  }

  .intro-note {
    margin-top: 3rem;
  }

  .archive {
    padding: 4rem 1.25rem 6rem;
  }

  .archive-head {
    display: block;
    margin-bottom: 2rem;
  }

  .archive-index {
    display: block;
    margin-bottom: 1.2rem;
  }

  .archive-head p {
    margin-top: 0.8rem;
  }

  .article-cover {
    min-height: 230px;
  }

  .article-main {
    padding: 2rem 1.4rem 2.3rem;
  }

  .article-meta {
    margin-bottom: 1.5rem;
  }

  .article-card h3 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .article-description {
    -webkit-line-clamp: 5;
  }

  .site-footer {
    display: grid;
    padding: 2rem 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}