/* stravica.ai — "Quiet Authority" (global) + "Methodology Notebook" (rcf body)
 * Hand-rolled CSS, zero deps. Tokens at :root; section-specific overrides on .page--<slug>.
 */

/* -------- Tokens (Quiet Authority — global chrome) -------- */
:root {
  --paper:    #f7f5f0;
  --ink:      #0a0a0a;
  --mute:     #3a3a3a;
  --rule:     #d4cdb8;
  --signal:   #c14a3a;   /* burnt orange */
  --signal-2: #a23a2c;

  --max-w:        72rem;   /* ~1152px */
  --max-w-prose:  40rem;   /* ~640px — comfortable read */
  --gutter:       clamp(1.25rem, 3vw, 2.5rem);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --type-base: 17px;
}

/* -------- Reset / base -------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--type-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration-color: var(--signal); text-underline-offset: 3px; }
a:hover { color: var(--signal); }

.skip {
  position: absolute; left: -9999px; top: auto;
  background: var(--ink); color: var(--paper);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono); font-size: 0.875rem;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 100; }

/* -------- Header -------- */
.site-header {
  border-bottom: 1px solid var(--rule);
}
.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.5rem var(--gutter);
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1.5rem;
}
.site-header__brand {
  text-decoration: none;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  font-feature-settings: "ss01", "ss02";
  letter-spacing: -0.01em;
}
.site-header__nav {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.site-header__nav a {
  text-decoration: none;
  padding: 0.25rem 0.25rem;
  border-bottom: 1px solid transparent;
}
.site-header__nav a:hover,
.site-header__nav a[aria-current="page"] {
  border-bottom-color: var(--signal);
  color: var(--ink);
}

/* -------- Footer -------- */
.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 6rem;
}
.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem var(--gutter);
}
.site-footer__meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--mute);
  margin: 0;
}
.site-footer__sep { opacity: 0.5; padding: 0 0.4em; }

/* -------- Hero (home) -------- */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
}
.hero__inner {
  max-width: var(--max-w-prose);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--signal);
  margin: 0 0 1.25rem;
}
.hero__headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  /* Variable-font opsz axis — large display setting */
  font-variation-settings: "opsz" 144;
}
.hero__lede {
  font-size: 1.1875rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 2.5rem;
  max-width: 36rem;
}
.hero__cta {
  display: flex; gap: 1rem; flex-wrap: wrap;
}

.cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--ink);
  border-radius: 0;
  transition: background 0.15s ease, color 0.15s ease;
}
.cta--primary {
  background: var(--ink); color: var(--paper);
}
.cta--primary:hover { background: var(--signal); border-color: var(--signal); color: var(--paper); }
.cta--secondary {
  background: transparent; color: var(--ink);
}
.cta--secondary:hover { background: var(--ink); color: var(--paper); }
.cta__arrow { transition: transform 0.15s ease; }
.cta:hover .cta__arrow { transform: translateX(2px); }

/* -------- Lanes (home, 3-col) -------- */
.lanes {
  border-top: 1px solid var(--rule);
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.lanes__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 56rem) {
  .lanes__inner { grid-template-columns: repeat(3, 1fr); gap: 3rem; }
}
.lane { display: flex; flex-direction: column; gap: 0.75rem; }
.lane__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--signal);
  margin: 0;
}
.lane__heading {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0;
  font-variation-settings: "opsz" 24;
  letter-spacing: -0.005em;
}
.lane__body {
  font-size: 1rem;
  color: var(--mute);
  margin: 0;
  line-height: 1.6;
}
.lane__cta {
  margin: 0.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.lane__cta a {
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--signal);
  padding-bottom: 0.125rem;
}
.lane__cta a:hover { color: var(--signal); }
.lane__cta .lane__cta-placeholder {
  color: var(--mute);
  border-bottom: 1px dashed var(--rule);
  padding-bottom: 0.125rem;
  cursor: default;
}

/* -------- Latest writing (home) -------- */
.latest {
  border-top: 1px solid var(--rule);
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.latest__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.latest__header {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; margin-bottom: 2rem; flex-wrap: wrap;
}
.latest__heading {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0;
  font-variation-settings: "opsz" 24;
}
.latest__all {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--signal);
  padding-bottom: 0.125rem;
}
.latest__all:hover { color: var(--signal); }
.latest__list {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: 1fr; gap: 2rem;
}
@media (min-width: 56rem) {
  .latest__list { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
}
.latest__item { display: flex; flex-direction: column; gap: 0.5rem; }
.latest__date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--signal);
  margin: 0;
}
.latest__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1875rem;
  margin: 0;
  line-height: 1.3;
}
.latest__title a { text-decoration: none; color: var(--ink); }
.latest__title a:hover { color: var(--signal); }
.latest__deck { font-size: 0.9375rem; color: var(--mute); margin: 0; line-height: 1.55; }

/* -------- Coda (home, body-of-work paragraph) -------- */
.coda {
  border-top: 1px solid var(--rule);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.coda__inner {
  max-width: var(--max-w-prose);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.coda__inner p {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.1875rem;
  line-height: 1.5;
  font-style: italic;
  color: var(--ink);
  margin: 0;
  font-variation-settings: "opsz" 36;
}

/* ================================================================
   Editorial body — "Methodology Notebook" within the global chrome.
   Activated by .page--rcf (methodology section) and .page--blog (posts).
   Same body styling — cream paper, Source Serif Pro, signal-orange
   margin-rule on quotes.
   ================================================================ */

.page--rcf,
.page--blog {
  --paper: #fbf7ed;            /* warm cream */
  --ink:   #1a1a1a;            /* rich black */
  --rule:  #d4cdb8;
  --signal: #c14a3a;           /* same accent, continuity */
  --font-body: 'Source Serif Pro', 'Source Serif 4', Georgia, serif;
  --type-base: 18px;
}
.page--rcf body,
.page--blog body { font-size: var(--type-base); }

.rcf-section {
  max-width: var(--max-w-prose);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--gutter);
}
.rcf-section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--signal);
  margin: 0 0 1.25rem;
}
.rcf-section__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.1;
  margin: 0 0 1.25rem;
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 144;
}
.rcf-section__deck {
  font-family: var(--font-body);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 3rem;
  font-style: italic;
  border-left: 2px solid var(--signal);
  padding-left: 1rem;
}
.rcf-section__body h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 2.5rem 0 0.75rem;
  font-variation-settings: "opsz" 36;
}
.rcf-section__body p {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 0 0 1.1rem;
  font-feature-settings: "onum", "kern";
}
.rcf-section__body em {
  font-style: italic;
  color: var(--ink);
}

.rcf-section__nextup {
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
  padding-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--mute);
  display: flex; flex-direction: column; gap: 0.25rem;
}
.rcf-section__nextup-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--signal);
}

/* -------- Blog index -------- */
.blog-index {
  padding: clamp(3rem, 8vw, 6rem) 0;
}
.blog-index__inner {
  max-width: var(--max-w-prose);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.blog-index__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--signal);
  margin: 0 0 1.25rem;
}
.blog-index__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 1.25rem;
  font-variation-settings: "opsz" 144;
}
.blog-index__lede {
  font-size: 1.1875rem; line-height: 1.55; color: var(--ink);
  margin: 0 0 3rem; max-width: 36rem;
}
.blog-index__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 2.5rem; }
.blog-index__item { display: flex; flex-direction: column; gap: 0.5rem; padding-bottom: 2rem; border-bottom: 1px solid var(--rule); }
.blog-index__item:last-child { border-bottom: 0; }
.blog-index__date {
  font-family: var(--font-mono); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--signal); margin: 0;
}
.blog-index__entry-title {
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.5rem; margin: 0; line-height: 1.25;
  font-variation-settings: "opsz" 36;
}
.blog-index__entry-title a { text-decoration: none; color: var(--ink); }
.blog-index__entry-title a:hover { color: var(--signal); }
.blog-index__entry-deck { font-size: 1rem; color: var(--ink); margin: 0; line-height: 1.55; font-style: italic; }
.blog-index__empty {
  border-top: 1px solid var(--rule); padding-top: 2rem;
  font-family: var(--font-body); font-style: italic; color: var(--mute);
}

/* -------- Blog post (uses page--blog body styling) -------- */
.post {
  max-width: var(--max-w-prose);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--gutter);
}
.post__eyebrow {
  font-family: var(--font-mono); font-size: 0.8125rem;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--signal); margin: 0 0 1.25rem;
}
.post__eyebrow a { color: var(--signal); text-decoration: none; }
.post__eyebrow a:hover { text-decoration: underline; text-underline-offset: 3px; }
.post__sep { padding: 0 0.6em; opacity: 0.5; }
.post__title {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(2.25rem, 5vw, 3.25rem); line-height: 1.1;
  letter-spacing: -0.015em; margin: 0 0 1.25rem;
  font-variation-settings: "opsz" 144;
}
.post__deck {
  font-family: var(--font-body); font-size: 1.25rem; line-height: 1.5;
  color: var(--ink); margin: 0 0 3rem; font-style: italic;
  border-left: 2px solid var(--signal); padding-left: 1rem;
}
.post__body h2 {
  font-family: var(--font-display); font-weight: 500; font-size: 1.5rem;
  margin: 2.5rem 0 0.75rem; font-variation-settings: "opsz" 36;
}
.post__body p {
  font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.7;
  margin: 0 0 1.1rem; font-feature-settings: "onum", "kern";
}
.post__body em { font-style: italic; }
.post__body a { color: var(--ink); text-decoration-color: var(--signal); text-underline-offset: 3px; }
.post__signoff {
  margin: 3rem 0 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-style: italic;
  color: var(--ink);
}
.post__footer {
  border-top: 1px solid var(--rule); margin-top: 3rem; padding-top: 1.5rem;
  font-family: var(--font-mono); font-size: 0.875rem;
}
.post__footer a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--signal); }