/* Masaru Journal: blog pages share the home page's "Midnight Silk" tokens. */
:root {
  --bg: #0b1226; --bg-2: #0f1932; --panel: #131e3b; --line: #27335a;
  --ink: #eef1f7; --muted: #a6b0c8; --silver: #c9d3ea;
  --gold: #d4af6a; --gold-hi: #f0d79c; --on-gold: #1d1405;
  --display: "Marcellus", "Trajan Pro", "Cinzel", Georgia, serif;
  --body: "Manrope", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --s-1: clamp(1.15rem, 1.05rem + 0.45vw, 1.4rem);
  --s-2: clamp(1.5rem, 1.25rem + 1.1vw, 2.2rem);
  --s-3: clamp(2rem, 1.5rem + 2.4vw, 3.6rem);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 clamp(1rem, 0.97rem + 0.15vw, 1.08rem)/1.7 var(--body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { max-width: 100%; display: block; }
a { color: var(--gold-hi); }
:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: 0.02em; }
p { margin: 0; }
.wrap { max-width: 1200px; margin-inline: auto; padding-inline: max(16px, env(safe-area-inset-left, 0px)); }
.kicker { font-size: 0.76rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--gold); display: inline-flex; align-items: center; gap: 0.9em; }
.kicker::before { content: ""; width: 2.4em; height: 1px; background: currentColor; }
.gold { color: var(--gold-hi); }
.row { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.55em; padding: 0.9em 1.5em; border-radius: 999px; font: 600 0.8rem var(--body); letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; cursor: pointer; border: 1px solid var(--gold); transition: background .2s, color .2s, border-color .2s; }
.btn-gold { background: var(--gold); color: var(--on-gold); }
.btn-gold:hover { background: var(--gold-hi); color: var(--on-gold); }
.btn-line { background: transparent; color: var(--ink); border-color: rgba(238,241,247,0.35); }
.btn-line:hover { border-color: var(--gold); color: var(--gold-hi); }

/* Header */
.head { position: sticky; top: 0; z-index: 30; padding-top: env(safe-area-inset-top, 0px); background: rgba(11,18,38,0.9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.6rem; }
.mark { display: block; line-height: 0; }
.wordmark { height: 50px; width: auto; display: block; }
.nav { display: flex; gap: 1.6rem; }
.nav a { color: var(--silver); text-decoration: none; font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--gold-hi); }
.head .btn { padding: 0.7em 1.15em; font-size: 0.72rem; }
@media (max-width: 920px) { .nav { display: none; } }
@media (max-width: 420px) { .wordmark { height: 42px; } .head .btn { padding: 0.6em 0.9em; font-size: 0.66rem; letter-spacing: 0.1em; } }

/* Journal index */
.journal-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); margin-bottom: 2rem; border-bottom: 1px solid var(--line); background: radial-gradient(80% 90% at 85% 40%, rgba(36,53,106,0.55), transparent 70%); }
.journal-hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.journal-hero .jh-text { display: grid; gap: 1rem; }
.journal-hero .jh-read { justify-self: start; margin-top: 0.4rem; }
.journal-hero h1 { font-size: var(--s-3); max-width: 14ch; }
.journal-hero p { max-width: 50ch; font-size: var(--s-1); font-weight: 300; color: var(--silver); }
.journal-hero .jh-video { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 24px 60px rgba(0,0,0,0.45); aspect-ratio: 16 / 9; background: var(--bg-2); }
.journal-hero video { width: 100%; height: 100%; object-fit: contain; display: block; max-width: none; }
@media (max-width: 820px) { .journal-hero .wrap { grid-template-columns: 1fr; } }
.feature { padding-block: 2rem 1rem; }
.feat { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 0; text-decoration: none; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.feat .card-img { aspect-ratio: auto; min-height: 320px; }
.feat-body { padding: clamp(1.4rem, 3vw, 2.4rem); display: grid; gap: 0.9rem; align-content: center; }
.feat-body h2 { font-size: var(--s-2); }
.feat-body p { color: var(--muted); }
.feat-body .btn { justify-self: start; }
.feat:hover h2 { color: var(--gold-hi); }
@media (max-width: 760px) { .feat { grid-template-columns: 1fr; } .feat .card-img { min-height: 0; aspect-ratio: 16 / 10; } }
.filters { display: flex; flex-wrap: wrap; gap: 0.45rem; padding-block: 1rem; }
.chip { font: 500 0.85rem var(--body); color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: 0.5em 1.05em; cursor: pointer; }
.chip:hover { border-color: var(--gold); }
.chip[aria-pressed="true"] { background: var(--gold); border-color: var(--gold); color: var(--on-gold); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; padding-bottom: 2rem; }
.card { display: grid; grid-template-rows: auto 1fr; text-decoration: none; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; min-width: 0; transition: border-color .2s; }
.card:hover { border-color: var(--gold); }
.card:hover h3 { color: var(--gold-hi); }
.card-img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-2); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.card:hover .card-img img, .feat:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 1.1rem 1.2rem 1.3rem; display: grid; gap: 0.5rem; align-content: start; }
.card-body h3 { font-size: 1.3rem; }
.card-body p { color: var(--muted); font-size: 0.93rem; line-height: 1.6; }
.meta { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.meta b { color: var(--gold); font-weight: 600; }
@media (max-width: 960px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }

/* Post */
.post-head { display: grid; gap: 0.9rem; padding-block: 2rem 1.4rem; max-width: 860px; }
.post-head h1 { font-size: var(--s-3); }
.back { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
.back:hover { color: var(--gold-hi); }
.byline { color: var(--muted); font-size: 0.9rem; }
.cover { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--bg-2); aspect-ratio: 21 / 9; max-width: 100%; }
.cover-media { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 640px) { .cover { aspect-ratio: 16 / 10; } }
.prose { max-width: 760px; padding-block: 2rem; }
.prose > * + * { margin-top: 1.15em; }
.prose p { color: #dde2ee; }
.prose h2 { font-size: var(--s-2); margin-top: 1.8em; color: var(--ink); }
.prose h3 { font-size: var(--s-1); margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3em; display: grid; gap: 0.55em; }
.prose li::marker { color: var(--gold); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { color: var(--silver); }
.prose .cta-line { border-left: 2px solid var(--gold); padding: 0.4em 0 0.4em 1.1em; color: var(--gold-hi); }
.prose .cta-line strong { color: inherit; font-weight: 500; }
.prose hr { border: 0; border-top: 1px solid var(--line); }
.inline-fig { margin: 2em 0; }
.inline-fig img { border-radius: 10px; border: 1px solid var(--line); }
.inline-fig figcaption { color: var(--muted); font-size: 0.85rem; margin-top: 0.6rem; }
.book-cta { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.4rem; align-items: center; background: linear-gradient(150deg, var(--panel), var(--bg-2)); border: 1px solid var(--gold); border-radius: 14px; padding: clamp(1.3rem, 3vw, 2.2rem); margin-bottom: 2.5rem; max-width: 960px; }
.book-cta h2 { font-size: var(--s-2); margin-block: 0.6rem; }
.book-cta p { color: var(--muted); font-size: 0.95rem; }
@media (max-width: 760px) { .book-cta { grid-template-columns: 1fr; } }
.more { padding-block: 1rem 2rem; border-top: 1px solid var(--line); }
.more h2 { font-size: var(--s-2); padding-block: 1.6rem 1.2rem; }

/* Footer */
footer { border-top: 1px solid var(--line); padding-block: 2.4rem calc(2rem + env(safe-area-inset-bottom, 0px)); background: var(--bg-2); }
.foot { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; }
.foot img { width: 180px; height: auto; }
.copyright { color: var(--muted); font-size: 0.8rem; text-align: center; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
@media (min-width: 700px) { .copyright { white-space: nowrap; } }
.foot nav { display: flex; flex-wrap: wrap; gap: 1.3rem; }
.foot nav a { color: var(--muted); text-decoration: none; font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; }
.foot nav a:hover { color: var(--gold-hi); }
@media (max-width: 700px) { .foot { grid-template-columns: 1fr; } }
.wa { position: fixed; right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 40; width: 3.4rem; height: 3.4rem; border-radius: 50%; display: grid; place-items: center; background: var(--gold); color: var(--on-gold); box-shadow: 0 12px 30px -10px rgba(212,175,106,0.7); }
.wa svg { width: 1.6rem; height: 1.6rem; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }