/* =========================================================
   chillarin-hub — app.css
   tokens.css / base.css の後に読み込むこと。
   ========================================================= */

:root {
  --hub-max-w: 960px;
  --hub-gap:   clamp(1.5rem, 4vw, 2.5rem);
}

body.page-hub {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- header ---------- */
.hub-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(1.2) blur(8px);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
}

.hub-header__inner {
  max-width: var(--hub-max-w);
  margin: 0 auto;
  padding: 0.75rem clamp(1rem, 3vw, 1.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hub-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.hub-brand__mark {
  font-size: 1.25rem;
  line-height: 1;
}

.hub-brand__name {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

/* ---------- main ---------- */
.hub-main {
  max-width: var(--hub-max-w);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1rem, 3vw, 1.5rem) clamp(3rem, 8vw, 5rem);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--hub-gap);
}

/* ---------- hero ---------- */
.hub-hero {
  text-align: center;
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(0.5rem, 2vw, 1rem);
}

.hub-hero__kicker {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.hub-hero__title {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: 0.01em;
}

.hub-hero__title-sub {
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 0.16em;
  text-transform: lowercase;
  margin-top: 0.5rem;
}

.hub-hero__tagline {
  max-width: 38rem;
  margin: 1.5rem auto 0;
  font-size: clamp(1rem, 2vw, 1.05rem);
  color: var(--text-dim);
  line-height: 1.85;
}

/* ---------- section common ---------- */
.hub-section__title {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 700;
  margin: 0 0 1.25rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--accent);
}

/* ---------- what i do list ---------- */
.hub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.hub-list__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  color: var(--text-dim);
  line-height: 1.75;
}

.hub-list__item strong {
  color: var(--text);
  font-weight: 600;
  margin-right: 0.35rem;
}

/* ---------- where i publish cards ---------- */
.hub-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 1rem;
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.hub-card:hover,
.hub-card:focus-visible {
  border-color: var(--accent-line);
  background: color-mix(in oklab, var(--bg-card) 90%, var(--accent-soft) 10%);
  transform: translateY(-2px);
  outline: none;
}

.hub-card__label {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.hub-card__title {
  font-family: "Noto Serif JP", serif;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
}

.hub-card__desc {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-top: 0.15rem;
}

.hub-card__host {
  margin-top: 0.5rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--text-muted, var(--text-dim));
  letter-spacing: 0.01em;
}

/* ---------- sns ---------- */
.hub-sns {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hub-sns a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
  background: var(--bg-card);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.hub-sns a:hover,
.hub-sns a:focus-visible {
  border-color: var(--accent-line);
  background: color-mix(in oklab, var(--bg-card) 88%, var(--accent-soft) 12%);
  outline: none;
}

.hub-sns__mark {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 700;
}

.hub-sns__handle {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.92rem;
}

/* ---------- footer ---------- */
.hub-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem clamp(1rem, 3vw, 1.5rem);
  text-align: center;
}

.hub-footer__copy {
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}