/* ============================================================
   Horizon — article page (sak-*.html) styles
   Loaded only on the single-article template.
   ============================================================ */

.ahero {
  position: relative;
  background: var(--hz-ink);
  padding: 132px 32px 0;
  border-bottom: 1px solid var(--hz-ink-4);
}
.ahero__inner { max-width: 820px; margin: 0 auto; }

.pcrumb { display: flex; align-items: center; gap: 10px; font-family: var(--hz-font-mono); font-size: 12px; color: var(--hz-fg-on-dark-3); margin-bottom: 26px; flex-wrap: wrap; }
.pcrumb a { color: var(--hz-fg-on-dark-3); text-decoration: none; transition: color var(--hz-dur-base); }
.pcrumb a:hover { color: var(--hz-hero); }
.pcrumb .sep { opacity: 0.5; }
.pcrumb .here { color: var(--hz-fg-on-dark-2); }

.ahero__meta { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.ahero__cat {
  font-family: var(--hz-font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--hz-fg-on-hero); background: var(--hz-hero);
  padding: 5px 11px; border-radius: var(--hz-r-pill); font-weight: 600;
}
.ahero__date { font-family: var(--hz-font-mono); font-size: 13px; letter-spacing: 0.04em; color: var(--hz-fg-on-dark-3); }

.ahero__title {
  font-family: var(--hz-font-display); font-weight: 600;
  font-size: clamp(30px, 4.4vw, 52px); line-height: 1.06; letter-spacing: -0.025em;
  color: var(--hz-fg-on-dark-1); margin: 0; text-wrap: balance;
}

.ahero__media {
  max-width: 980px; margin: 44px auto 0; position: relative;
  transform: translateY(48px);
}
.ahero__media img { width: 100%; height: auto; display: block; border-radius: var(--hz-r-xl); }
.ahero__media image-slot {
  width: 100%; height: auto; display: block;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--hz-ink-4); border-radius: var(--hz-r-xl); overflow: hidden;
  box-shadow: var(--hz-shadow-lg);
}
.ahero__media--fit image-slot { aspect-ratio: var(--hero-ar, 16 / 9); }

/* article body */
.abody { background: var(--hz-ink); padding: 96px 32px 40px; }
.art { max-width: 720px; margin: 0 auto; }
.art__fig { margin: 30px 0; }
.art__fig img { width: 100%; height: auto; display: block; border-radius: var(--hz-r-md); border: 1px solid var(--hz-ink-4); }
.art__figcap { margin-top: 12px; font-family: var(--hz-font-mono); font-size: 12px; letter-spacing: 0.04em; line-height: 1.5; color: var(--hz-fg-on-dark-3); text-align: center; }
.art__p { font-size: 18px; line-height: 1.72; color: var(--hz-fg-on-dark-2); margin: 0 0 22px; font-weight: 300; }
.art__p strong { color: var(--hz-fg-on-dark-1); font-weight: 600; }
.art__h {
  font-family: var(--hz-font-display); font-weight: 600;
  font-size: clamp(22px, 2.4vw, 28px); line-height: 1.18; letter-spacing: -0.015em;
  color: var(--hz-fg-on-dark-1); margin: 44px 0 16px;
}
.art__ul { margin: 0 0 22px; padding-left: 4px; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.art__ul li {
  position: relative; padding-left: 26px; font-size: 18px; line-height: 1.6;
  color: var(--hz-fg-on-dark-2); font-weight: 300;
}
.art__ul li::before {
  content: ''; position: absolute; left: 4px; top: 11px; width: 8px; height: 8px;
  border-radius: 2px; background: var(--hz-hero);
}
.art__sign { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--hz-ink-4); }
.art__sign-name { font-family: var(--hz-font-display); font-weight: 600; font-size: 19px; color: var(--hz-fg-on-dark-1); }
.art__sign-role { font-family: var(--hz-font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--hz-fg-on-dark-3); margin-top: 4px; }

.art__quote {
  margin: 32px 0; padding: 22px 26px;
  border-left: 3px solid var(--hz-hero); background: var(--hz-ink-2);
  border-radius: 0 var(--hz-r-md) var(--hz-r-md) 0;
}
.art__quote p { margin: 0; font-family: var(--hz-font-display); font-weight: 500; font-size: 19px; line-height: 1.5; color: var(--hz-fg-on-dark-1); font-style: normal; }
.art__quote-by { display: block; margin-top: 14px; font-family: var(--hz-font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--hz-fg-on-dark-3); font-style: normal; }
.art__quotefig { display: flex; gap: 24px; align-items: stretch; margin: 32px 0; }
.art__quotefig-img { flex: 0 0 190px; width: 190px; align-self: flex-start; height: auto; display: block; border-radius: var(--hz-r-md); border: 1px solid var(--hz-ink-4); object-fit: cover; }
.art__quotefig .art__quote { margin: 0; flex: 1 1 auto; }
@media (max-width: 620px) {
  .art__quotefig { flex-direction: column; gap: 18px; }
  .art__quotefig-img { width: 140px; }
}

.art__back {
  display: inline-flex; align-items: center; gap: 9px; margin-top: 48px;
  font-family: var(--hz-font-sans); font-weight: 600; font-size: 15px;
  color: var(--hz-fg-on-dark-1); text-decoration: none;
  background: var(--hz-ink-2); border: 1px solid var(--hz-ink-4); border-radius: var(--hz-r-pill);
  padding: 12px 22px; transition: background var(--hz-dur-base), border-color var(--hz-dur-base), transform var(--hz-dur-base) var(--hz-ease-out);
}
.art__back:hover { background: var(--hz-ink-3); border-color: var(--hz-paper-5); transform: translateY(-2px); }
.art__back .arr { color: var(--hz-hero); }

/* "not found" fallback */
.art__missing { max-width: 720px; margin: 0 auto; text-align: center; }
.art__missing h1 { font-family: var(--hz-font-display); font-weight: 600; font-size: 32px; color: var(--hz-fg-on-dark-1); margin: 0 0 14px; }
.art__missing p { color: var(--hz-fg-on-dark-2); font-size: 18px; margin: 0 0 28px; }

/* related */
.related { background: var(--hz-black); padding: 72px 32px 88px; border-top: 1px solid var(--hz-ink-4); }
.related__inner { max-width: 1180px; margin: 0 auto; }
.related__head { font-family: var(--hz-font-display); font-weight: 600; font-size: 24px; letter-spacing: -0.015em; color: var(--hz-fg-on-dark-1); margin: 0 0 32px; }

@media (max-width: 720px) {
  .ahero { padding-top: 104px; }
  .abody { padding: 80px 20px 32px; }
  .related { padding: 56px 20px 64px; }
}