/* In-box "base" theme for published sites (CMS Core TDD §8; marketing structural classes
   ported in trio 5). Token-driven; brand themes override the --brand-*/--font-* tokens and
   reuse these component classes. The publisher copies this to <output>/themes/base.css. */

/* ── Fallback tokens (a brand theme overrides these) ── */
:root {
  --brand-bg: #16161a;
  --brand-bg-deep: #101013;
  --brand-surface: #1e1e24;
  --brand-surface-2: #26262e;
  --brand-text: #e8e8ec;
  --brand-text-muted: #93939d;
  --brand-border: rgba(255, 255, 255, 0.08);
  --brand-accent: #8888ff;
  --brand-accent-2: #c8c8d8;
  --brand-glow: #8888ff;
  --font-display: system-ui, sans-serif;
  --font-body: system-ui, sans-serif;
  --font-mono: ui-monospace, monospace;

  --glow-soft: color-mix(in oklab, var(--brand-glow) 15%, transparent);
  --glow-faint: color-mix(in oklab, var(--brand-glow) 7%, transparent);
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { color-scheme: dark; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--brand-bg);
  color: var(--brand-text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
img, svg { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; font-weight: 600; text-wrap: balance; }
p { text-wrap: pretty; }
a { color: var(--brand-accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--brand-accent); outline-offset: 3px; border-radius: 2px; }
code, pre { font-family: var(--font-mono); font-size: 0.92em; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ── Layout primitives ── */
.l-container { width: min(100% - 2.5rem, 72rem); margin-inline: auto; }
.l-narrow { width: min(100% - 2.5rem, 44rem); margin-inline: auto; }

/* ── Nav (sticky) ── */
.c-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in oklab, var(--brand-bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--brand-border);
}
.c-nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.8rem; }
.c-nav__brand { color: var(--brand-text); }
.c-nav__brand:hover { text-decoration: none; }
.c-nav__wordmark { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; }
.c-nav__links { display: flex; align-items: center; gap: 1.5rem; }
.c-nav__links a:not(.c-btn) { color: var(--brand-text-muted); font-size: 0.95rem; }
.c-nav__links a:not(.c-btn):hover { color: var(--brand-text); text-decoration: none; }
.c-nav__mobile { display: none; position: relative; }
.c-nav__mobile summary { list-style: none; cursor: pointer; padding: 0.5rem; }
.c-nav__mobile summary::-webkit-details-marker { display: none; }
.c-nav__burger, .c-nav__burger::before, .c-nav__burger::after {
  display: block; width: 1.4rem; height: 2px; background: var(--brand-text); position: relative; content: "";
}
.c-nav__burger::before { position: absolute; top: -6px; }
.c-nav__burger::after { position: absolute; top: 6px; }
.c-nav__mobile nav {
  position: absolute; right: 0; top: calc(100% + 0.5rem);
  display: flex; flex-direction: column; gap: 0.75rem; min-width: 12rem;
  padding: 1rem 1.25rem; background: var(--brand-surface);
  border: 1px solid var(--brand-border); border-radius: 0.75rem; box-shadow: 0 12px 40px rgb(0 0 0 / 0.35);
}
.c-nav__mobile nav a { color: var(--brand-text); }
@media (max-width: 640px) {
  .c-nav__links { display: none; }
  .c-nav__mobile { display: block; }
}

/* ── Footer ── */
.c-footer { margin-top: 5rem; border-top: 1px solid var(--brand-border); background: var(--brand-bg-deep); font-size: 0.95rem; }
.c-footer__inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; padding-block: 3rem; }
.c-footer__name { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.c-footer__tagline { color: var(--brand-text-muted); margin-top: 0.35rem; max-width: 34ch; }
.c-footer__links { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 1.25rem; }
.c-footer__links a { color: var(--brand-text-muted); }
.c-footer__links a:hover { color: var(--brand-text); }
.c-footer__family-heading {
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--brand-text-muted); margin-bottom: 1rem;
}
.c-footer__family ul { list-style: none; padding: 0; display: grid; gap: 0.9rem; }
.c-footer__family a { color: var(--brand-text); font-weight: 600; }
.c-footer__family span { display: block; color: var(--brand-text-muted); font-size: 0.875rem; }
.c-footer__legal { border-top: 1px solid var(--brand-border); padding-block: 1.25rem; color: var(--brand-text-muted); font-size: 0.85rem; }
@media (max-width: 640px) { .c-footer__inner { grid-template-columns: 1fr; gap: 2rem; } }

/* ── Buttons & badges ── */
.c-btn {
  display: inline-block; font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  padding: 0.75rem 1.5rem; border-radius: 0.5rem; border: 1px solid transparent;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.c-btn:hover { text-decoration: none; transform: translateY(-1px); }
.c-btn--primary { background: var(--brand-accent); color: var(--brand-bg); }
.c-btn--primary:hover { box-shadow: 0 6px 24px var(--glow-soft); }
.c-btn--ghost { border-color: var(--brand-border); color: var(--brand-text); background: transparent; }
.c-btn--ghost:hover { background: var(--brand-surface); }
.c-btn--compact { padding: 0.45rem 1rem; font-size: 0.9rem; }
.c-badge {
  display: inline-block; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.02em;
  padding: 0.4rem 0.9rem; border-radius: 999px; border: 1px dashed var(--brand-border); color: var(--brand-text-muted);
}
.c-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--brand-accent); border: 1px solid var(--brand-border);
  border-radius: 999px; padding: 0.15rem 0.65rem;
}

/* ── Sections: shared rhythm ── */
.s-hero, .s-features, .s-tour, .s-prose, .s-cards, .s-stats, .s-quote, .s-faq { padding-block: 4.5rem; }
.s-heading { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 1rem; }
.s-intro { color: var(--brand-text-muted); max-width: 56ch; margin-bottom: 2.5rem; }

/* ── hero ── */
.s-hero { padding-block: clamp(4rem, 12vh, 7rem); background: radial-gradient(60rem 30rem at 70% -10%, var(--glow-faint), transparent 70%), var(--brand-bg); }
.s-hero__inner { display: grid; gap: 3rem; align-items: center; }
.s-hero__inner--media { grid-template-columns: 1.1fr 1fr; }
.s-hero__eyebrow { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-accent); margin-bottom: 1rem; }
.s-hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); font-weight: 600; }
.s-hero h1 em { font-style: normal; color: var(--brand-accent); }
.s-hero__lede { margin-top: 1.25rem; font-size: 1.15rem; color: var(--brand-text-muted); max-width: 52ch; }
.s-hero__ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.25rem; align-items: center; }
.s-hero__media img { border-radius: 0.75rem; border: 1px solid var(--brand-border); box-shadow: 0 24px 80px var(--glow-faint); }
@media (max-width: 960px) { .s-hero__inner--media { grid-template-columns: 1fr; } }

/* ── feature-grid ── */
.s-features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.s-features__item { background: var(--brand-surface); border: 1px solid var(--brand-border); border-radius: 0.75rem; padding: 1.5rem; }
.s-features__item svg { color: var(--brand-accent); margin-bottom: 1rem; }
.s-features__item h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.s-features__item p { color: var(--brand-text-muted); font-size: 0.95rem; }
@media (max-width: 960px) { .s-features__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .s-features__grid { grid-template-columns: 1fr; } }

/* ── tour ── */
.s-tour__stop { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; padding-block: 2.5rem; }
.s-tour__stop:nth-child(even) .s-tour__media { order: 2; }
.s-tour__kicker { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand-accent); margin-bottom: 0.6rem; }
.s-tour__stop h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.s-tour__stop p { color: var(--brand-text-muted); }
.s-tour__stop ul { margin-top: 1rem; padding-left: 1.2rem; color: var(--brand-text-muted); }
.s-tour__stop li { margin-block: 0.35rem; }
.s-tour__media img { border-radius: 0.75rem; border: 1px solid var(--brand-border); box-shadow: 0 16px 48px var(--glow-faint); }
@media (max-width: 960px) {
  .s-tour__stop { grid-template-columns: 1fr; gap: 1.5rem; }
  .s-tour__stop:nth-child(even) .s-tour__media { order: 0; }
}

/* ── prose ── */
.s-prose__body { max-width: 70ch; }
.s-prose__body h2 { font-size: 1.6rem; margin: 2.25rem 0 0.9rem; }
.s-prose__body h3 { font-size: 1.2rem; margin: 1.75rem 0 0.7rem; }
.s-prose__body p { margin-block: 0.9rem; }
.s-prose__body ul, .s-prose__body ol { padding-left: 1.3rem; margin-block: 0.9rem; }
.s-prose__body li { margin-block: 0.3rem; }
.s-prose__body blockquote { border-left: 3px solid var(--brand-accent); padding-left: 1.25rem; color: var(--brand-text-muted); margin-block: 1.25rem; }
.s-prose__body table { border-collapse: collapse; margin-block: 1.25rem; width: 100%; }
.s-prose__body th, .s-prose__body td { border: 1px solid var(--brand-border); padding: 0.5rem 0.9rem; text-align: left; }
.s-prose__body th { background: var(--brand-surface); font-family: var(--font-display); }

/* ── cta-band ── */
.s-ctaband { margin-block: 3rem; background: radial-gradient(40rem 16rem at 50% 120%, var(--glow-soft), transparent 70%), var(--brand-surface); border-block: 1px solid var(--brand-border); padding-block: 4rem; text-align: center; }
.s-ctaband h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
.s-ctaband p { color: var(--brand-text-muted); max-width: 50ch; margin: 0.9rem auto 0; }
.s-ctaband .c-btn, .s-ctaband .c-badge { margin-top: 2rem; }

/* ── card-grid ── */
.s-cards__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.s-cards__card { display: block; background: var(--brand-surface); border: 1px solid var(--brand-border); border-radius: 1rem; padding: 1.75rem; color: var(--brand-text); transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease; }
.s-cards__card:hover { text-decoration: none; transform: translateY(-3px); border-color: color-mix(in oklab, var(--brand-accent) 40%, var(--brand-border)); box-shadow: 0 16px 48px var(--glow-faint); }
.s-cards__card img { border-radius: 0.5rem; margin-bottom: 1.25rem; }
.s-cards__card h3 { font-size: 1.25rem; margin-block: 0.75rem 0.5rem; }
.s-cards__card p { color: var(--brand-text-muted); font-size: 0.95rem; }
.s-cards__external { font-size: 0.9em; color: var(--brand-accent); margin-left: 0.35rem; }
@media (max-width: 960px) { .s-cards__grid { grid-template-columns: 1fr; } }

/* ── stat-band ── */
.s-stats { padding-block: 3rem; border-block: 1px solid var(--brand-border); }
.s-stats__grid { display: flex; flex-wrap: wrap; gap: 3rem 4.5rem; justify-content: center; }
.s-stats__value { font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 600; color: var(--brand-accent); line-height: 1; }
.s-stats__label { color: var(--brand-text-muted); font-size: 0.9rem; margin-top: 0.45rem; }

/* ── quote ── */
.s-quote blockquote { position: relative; max-width: 44ch; margin-inline: auto; text-align: center; font-family: var(--font-display); font-size: clamp(1.35rem, 3vw, 1.8rem); line-height: 1.4; }
.s-quote blockquote::before { content: "\201C"; display: block; font-size: 4rem; line-height: 1; color: var(--brand-accent); }
.s-quote figcaption { text-align: center; margin-top: 1.25rem; color: var(--brand-text-muted); font-size: 0.95rem; }

/* ── faq ── */
.s-faq__items { max-width: 44rem; }
.s-faq__items details { border-bottom: 1px solid var(--brand-border); padding-block: 1.1rem; }
.s-faq__items summary { cursor: pointer; font-weight: 600; font-family: var(--font-display); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.s-faq__items summary::-webkit-details-marker { display: none; }
.s-faq__items summary::after { content: "+"; color: var(--brand-accent); font-size: 1.3rem; transition: transform 150ms ease; }
.s-faq__items details[open] summary::after { transform: rotate(45deg); }
.s-faq__items details > div { padding-top: 0.75rem; color: var(--brand-text-muted); }


/* ── yourplotline brand tokens (ported) ── */
/* YourPlotline theme — brand tokens over the shared structural base (marketing TDD-A §2
   token contract). The stage is the app's own dark slate (#0f172a/#1e293b family); the
   accent is the app's brand indigo, so the site reads as the same reading room as the
   app, lit for the audience. Display face is a literary serif — these are novels. */

@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 100 900;   /* variable file */
  font-display: swap;
  src: url("/fonts/fraunces-latin-var.woff2") format("woff2");
}

@font-face {
  font-family: "Fraunces";
  font-style: italic;
  font-weight: 100 900;   /* variable file */
  font-display: swap;
  src: url("/fonts/fraunces-latin-var-italic.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/inter-latin-400.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/inter-latin-600.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/jetbrains-mono-latin-400.woff2") format("woff2");
}

:root {
  --brand-bg:         #0f172a;   /* slate-900 — the deep stage under the app's slate-800 */
  --brand-bg-deep:    #0b1120;   /* deepest panel */
  --brand-surface:    #1e293b;   /* the app's own body slate-800 */
  --brand-surface-2:  #283548;   /* raised surface */
  --brand-text:       #f1f5f9;   /* primary text (slate-100) */
  --brand-text-muted: #94a3b8;   /* secondary text (slate-400) */
  --brand-border:     rgba(148, 163, 184, 0.16);
  --brand-accent:     #8b93f8;   /* the app's brand indigo, lifted for dark-bg contrast */
  --brand-accent-2:   #c7d2fe;   /* indigo-200 soft highlight */
  --brand-glow:       #6366f1;   /* brand-500 — the app's exact accent */
  --font-display:     "Fraunces", Georgia, serif;
  --font-body:        "Inter", system-ui, sans-serif;
  --font-mono:        "JetBrains Mono", ui-monospace, monospace;
}