/* =========================================================
   vibe.ima.gent - global stylesheet
   夜色底 + 暖白字 + 一点琥珀光,留白克制。
   ========================================================= */

:root {
  --bg:           #0d1220;
  --bg-elev:     #161c2c;
  --bg-elev-2:   #1d2436;
  --fg:           #f3efe6;
  --fg-mute:     #a9a89f;
  --fg-dim:      #6e6f78;
  --line:         rgba(243, 239, 230, 0.10);
  --line-strong: rgba(243, 239, 230, 0.22);
  --accent:       #d99b54;
  --accent-soft:  #d99b5433;
  --radius:       14px;
  --radius-lg:    22px;
  --max-w:        1080px;
  --serif:        "Cormorant Garamond", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", Georgia, "Times New Roman", serif;
  --sans:         -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono:         ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: radial-gradient(ellipse at 50% -10%, #1a213a 0%, var(--bg) 55%, #06091216 100%) var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, color .25s ease;
}
a:hover { border-bottom-color: var(--accent); color: var(--accent); }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- layout ---------- */
header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 28px clamp(20px, 5vw, 56px) 0;
}
header.site .brand {
  font-family: var(--serif);
  font-size: clamp(18px, 2.4vw, 22px);
  letter-spacing: 0.04em;
  border-bottom: none;
}
header.site .brand:hover { color: var(--accent); }
header.site nav {
  display: flex;
  gap: clamp(14px, 3vw, 28px);
  font-size: 14px;
  text-transform: lowercase;
  letter-spacing: 0.06em;
}
header.site nav a {
  color: var(--fg-mute);
  border-bottom: none;
}
header.site nav a:hover { color: var(--accent); }

main { max-width: var(--max-w); margin: 0 auto; padding: 0 clamp(20px, 5vw, 56px); }

/* ---------- hero ---------- */
.hero {
  padding: clamp(80px, 14vh, 160px) 0 clamp(60px, 10vh, 110px);
}
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 28px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 8vw, 96px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 36px;
  color: var(--fg);
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero .lede {
  max-width: 640px;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.85;
  color: var(--fg-mute);
  margin: 0;
}
.hero .lede em {
  font-style: normal;
  font-family: var(--serif);
  font-size: 1.15em;
  color: var(--fg);
}

/* ---------- section ---------- */
section { padding: clamp(48px, 8vh, 88px) 0; border-top: 1px solid var(--line); }
section h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.02em;
  margin: 0 0 36px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
section h2 small {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

/* ---------- grid ---------- */
.grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s ease, border-color .35s ease, background .35s ease;
  min-height: 260px;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: var(--bg-elev-2);
}
.card .cover {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #1b2238 0%, #141a2c 100%);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-dim);
  font-family: var(--serif);
  font-size: 32px;
  letter-spacing: 0.06em;
}
.card .body {
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  margin: 4px 0 0;
  line-height: 1.25;
}
.card p {
  margin: 0;
  color: var(--fg-mute);
  font-size: 14px;
  line-height: 1.65;
}
.card a.fill {
  position: absolute;
  inset: 0;
  border-bottom: none;
}

/* ---------- placeholder (empty state) ---------- */
.card.placeholder {
  background: repeating-linear-gradient(
    -45deg,
    var(--bg-elev) 0,
    var(--bg-elev) 14px,
    var(--bg-elev-2) 14px,
    var(--bg-elev-2) 28px
  );
  border-style: dashed;
  border-color: var(--line-strong);
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 36px 28px;
  gap: 10px;
}
.card.placeholder .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin: 0 auto 14px;
  box-shadow: 0 0 0 0 var(--accent-soft);
  animation: pulse 2.4s ease-out infinite;
}
.card.placeholder h3 {
  color: var(--fg-mute);
  font-size: 20px;
}
.card.placeholder p { color: var(--fg-dim); font-size: 13px; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0    var(--accent-soft); }
  70%  { box-shadow: 0 0 0 14px transparent; }
  100% { box-shadow: 0 0 0 0    transparent; }
}

/* ---------- about ---------- */
.about p {
  max-width: 680px;
  color: var(--fg-mute);
  font-size: 16px;
  line-height: 1.85;
  margin: 0 0 18px;
}

/* ---------- footer ---------- */
footer.site {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px clamp(20px, 5vw, 56px) 36px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  text-transform: lowercase;
  border-top: 1px solid var(--line);
  margin-top: 48px;
}

/* ---------- responsive ---------- */
@media (max-width: 540px) {
  header.site { padding-top: 22px; }
  header.site nav { gap: 14px; font-size: 13px; }
  .hero { padding-top: 56px; }
  section { padding: 56px 0; }
  .grid { grid-template-columns: 1fr; }
}

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