/* ============================================================================
   OLHAR FACTUAL — Design tokens & component layer
   A warm-paper, broadsheet-inspired system for a modern news aggregator.
   Load order:  Google Fonts  →  this file  →  page-specific styles.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Libre+Caslon+Display&family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=IBM+Plex+Mono:wght@400;500;600;700&display=swap');

/* ----------------------------------------------------------------------------
   1. TOKENS
---------------------------------------------------------------------------- */
:root {
  /* — Paper & ink ————————————————————————————————————————————— */
  --of-paper:        #f4f1ea;   /* base background — warm ivory newsprint   */
  --of-paper-raised: #faf8f2;   /* cards, raised surfaces                   */
  --of-paper-sunken: #ece7da;   /* wells, code, quiet panels                */
  --of-ink:          #1c1917;   /* primary text — warm near-black           */

  /* ink at fixed opacities (use these, not ad-hoc rgba) */
  --of-ink-80: color-mix(in oklab, var(--of-ink) 80%, transparent);
  --of-ink-60: color-mix(in oklab, var(--of-ink) 60%, transparent);
  --of-ink-55: color-mix(in oklab, var(--of-ink) 55%, transparent);
  --of-ink-40: color-mix(in oklab, var(--of-ink) 40%, transparent);
  --of-ink-30: color-mix(in oklab, var(--of-ink) 30%, transparent);
  --of-ink-20: color-mix(in oklab, var(--of-ink) 20%, transparent);

  /* — Rules & lines ——————————————————————————————————————————— */
  --of-rule:        #ddd6c6;    /* hairline dividers, warm gray             */
  --of-rule-soft:   #e6e0d2;
  --of-rule-heavy:  var(--of-ink);

  /* — Accents ————————————————————————————————————————————————— */
  --of-crimson:   #8c1322;      /* editorial accent — links, hover, marks   */
  --of-breaking:  #b11226;      /* breaking / Urgente — louder red          */
  --of-on-red:    #fbf6ec;      /* text on red                              */

  /* — Bias data palette (reserved — only for coverage charts) ——— */
  /* Brazil convention: esquerda = vermelho, direita = azul (NOT the US mapping) */
  --of-bias-left:   #c1121f;    /* esquerda — vermelho                      */
  --of-bias-center: #847d70;    /* centro — neutral warm gray (readable)    */
  --of-bias-right:  #2f5fa3;    /* direita — azul                           */

  /* — Type families ——————————————————————————————————————————— */
  --of-display: 'Libre Caslon Display', 'Times New Roman', Georgia, serif;
  --of-serif:   'Newsreader', Georgia, 'Times New Roman', serif;
  --of-mono:    'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* — Type scale (fluid) ——————————————————————————————————————— */
  --of-fs-wordmark: clamp(2.75rem, 6vw, 4.75rem);
  --of-fs-d1: clamp(2.5rem, 5.2vw, 3.75rem);   /* hero headline            */
  --of-fs-d2: clamp(1.9rem, 3.4vw, 2.6rem);    /* section lead headline    */
  --of-fs-h3: 1.6rem;                          /* card headline (large)    */
  --of-fs-h4: 1.25rem;                         /* card headline (small)    */
  --of-fs-deck: clamp(1.15rem, 1.6vw, 1.4rem); /* standfirst / lede        */
  --of-fs-body: 1.1875rem;                     /* article body 19px        */
  --of-fs-sm: 0.95rem;
  --of-fs-label: 0.6875rem;                    /* 11px mono labels         */
  --of-fs-micro: 0.5625rem;                    /* 9px tiny labels          */

  /* — Spacing (8pt-ish, warm rhythm) ——————————————————————————— */
  --of-s1: 0.25rem; --of-s2: 0.5rem;  --of-s3: 0.75rem; --of-s4: 1rem;
  --of-s5: 1.5rem;  --of-s6: 2rem;    --of-s7: 3rem;    --of-s8: 4rem;
  --of-s9: 6rem;

  /* — Structure ——————————————————————————————————————————————— */
  --of-maxw: 1180px;
  --of-gutter: clamp(1rem, 4vw, 2rem);
  --of-radius: 2px;             /* near-square; paper has no soft corners   */
}

/* ----------------------------------------------------------------------------
   2. BASE / RESET
---------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--of-paper);
  color: var(--of-ink);
  font-family: var(--of-serif);
  font-size: var(--of-fs-body);
  line-height: 1.6;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--of-ink); color: var(--of-paper); }

/* ----------------------------------------------------------------------------
   3. LAYOUT
---------------------------------------------------------------------------- */
.of-container { max-width: var(--of-maxw); margin-inline: auto; padding-inline: var(--of-gutter); }
.of-stack > * + * { margin-top: var(--of-s4); }

/* ----------------------------------------------------------------------------
   4. TYPOGRAPHY PRIMITIVES
---------------------------------------------------------------------------- */
.of-kicker {
  font-family: var(--of-mono);
  font-size: var(--of-fs-label);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--of-ink-55);
}
.of-eyebrow {
  font-family: var(--of-mono);
  font-size: var(--of-fs-micro);
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--of-ink-55);
}

.of-headline { font-family: var(--of-display); font-weight: 400; line-height: 1.04; letter-spacing: -0.01em; color: var(--of-ink); text-wrap: balance; margin: 0; }
.of-headline--d1 { font-size: var(--of-fs-d1); }
.of-headline--d2 { font-size: var(--of-fs-d2); }
/* card headlines use Newsreader bold — tighter, more legible at small sizes */
.of-headline--h3, .of-headline--h4 { font-family: var(--of-serif); font-weight: 600; line-height: 1.18; letter-spacing: -0.005em; }
.of-headline--h3 { font-size: var(--of-fs-h3); }
.of-headline--h4 { font-size: var(--of-fs-h4); }

a.of-headline, .of-link-head { transition: color 0.18s ease; }
a.of-headline:hover, .group:hover .of-link-head { color: var(--of-crimson); }

.of-deck {
  font-family: var(--of-serif);
  font-weight: 400;
  font-size: var(--of-fs-deck);
  line-height: 1.5;
  color: var(--of-ink-80);
  margin: 0;
  text-wrap: pretty;
}

.of-body { font-family: var(--of-serif); font-size: var(--of-fs-body); line-height: 1.7; color: var(--of-ink-80); }
.of-body p { margin: 0 0 1.15em; }
.of-body p:first-of-type::first-letter {
  /* optional drop-cap helper, opt-in via .of-body--dropcap */
}
.of-body--dropcap > p:first-of-type::first-letter {
  font-family: var(--of-display); float: left; font-size: 3.6em; line-height: 0.72;
  padding: 0.06em 0.12em 0 0; color: var(--of-ink);
}
.of-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.of-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.of-clamp-4 { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }

/* ----------------------------------------------------------------------------
   5. RULES & SECTION HEADERS
---------------------------------------------------------------------------- */
.of-hr { border: 0; border-top: 1px solid var(--of-rule); margin: 0; }
.of-hr--heavy { border-top: 2px solid var(--of-rule-heavy); }

.of-section-head { display: flex; align-items: center; gap: var(--of-s5); margin-bottom: var(--of-s6); }
.of-section-head__tick { width: 22px; height: 2px; background: var(--of-ink); flex: none; }
.of-section-head__label {
  font-family: var(--of-mono); font-weight: 700; font-size: var(--of-fs-micro);
  letter-spacing: 0.42em; text-transform: uppercase; color: var(--of-ink-55); white-space: nowrap;
}
.of-section-head__line { flex: 1; height: 1px; background: var(--of-rule); }

/* ----------------------------------------------------------------------------
   6. BADGES
---------------------------------------------------------------------------- */
.of-badge {
  display: inline-block; vertical-align: middle;
  font-family: var(--of-mono); font-weight: 700; font-size: var(--of-fs-micro);
  letter-spacing: 0.2em; text-transform: uppercase;
  padding: 0.18em 0.5em; border-radius: var(--of-radius);
  background: var(--of-ink); color: var(--of-paper);
}
.of-badge--breaking { background: var(--of-breaking); color: var(--of-on-red); }
.of-badge--outline { background: transparent; color: var(--of-ink-60); border: 1px solid var(--of-rule); }
.of-badge--lg { font-size: 0.8rem; padding: 0.22em 0.55em; letter-spacing: 0.15em; }

/* ----------------------------------------------------------------------------
   7. STORY META  (source counts · article counts · time)
---------------------------------------------------------------------------- */
.of-meta { display: flex; align-items: center; gap: 0.65rem; flex-wrap: wrap;
  font-family: var(--of-mono); font-size: var(--of-fs-micro); text-transform: uppercase; letter-spacing: 0.08em; }
.of-meta__strong { color: var(--of-ink-80); }
.of-meta__num { color: var(--of-ink-60); }
.of-meta__time { color: var(--of-ink-55); letter-spacing: 0.05em; }
.of-meta__sep { color: var(--of-ink-20); letter-spacing: 0; }

/* ----------------------------------------------------------------------------
   8. COVERAGE BIAS BAR  (signature data viz)
---------------------------------------------------------------------------- */
.of-bias { margin-top: var(--of-s2); }
.of-bias__track { display: flex; height: 6px; border-radius: 99px; overflow: hidden; background: var(--of-paper-sunken); }
.of-bias__track--lg { height: 8px; }
.of-bias__seg { transition: width 0.4s ease; }
.of-bias__seg--left   { background: var(--of-bias-left); }
.of-bias__seg--center { background: var(--of-bias-center); }
.of-bias__seg--right  { background: var(--of-bias-right); }
.of-bias__legend { display: flex; justify-content: space-between; margin-top: 3px;
  font-family: var(--of-mono); font-size: 0.5rem; letter-spacing: 0.04em; }
.of-bias__legend .l { color: color-mix(in oklab, var(--of-bias-left) 75%, transparent); }
.of-bias__legend .c { color: var(--of-ink-60); }
.of-bias__legend .r { color: color-mix(in oklab, var(--of-bias-right) 75%, transparent); }

/* ----------------------------------------------------------------------------
   9. CARDS
---------------------------------------------------------------------------- */
.of-card { cursor: pointer; }
.of-card__img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--of-paper-sunken);
  filter: saturate(0.92); }
.of-card__img--portrait { aspect-ratio: 3 / 4; }
.of-card .of-meta { margin-top: var(--of-s3); }
.of-card .of-headline { margin-top: var(--of-s2); }
.of-card .of-deck { margin-top: var(--of-s2); font-size: var(--of-fs-sm); }

/* divider grids */
.of-divide-x > * + * { border-top: 1px solid var(--of-rule); }
@media (min-width: 768px) {
  .of-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); }
  .of-row-3 > * { padding-inline: var(--of-s6); border-right: 1px solid var(--of-rule); }
  .of-row-3 > *:first-child { padding-left: 0; }
  .of-row-3 > *:last-child { padding-right: 0; border-right: 0; }
  .of-divide-x > * + * { border-top: 0; }
}

/* ----------------------------------------------------------------------------
   8b. BIAS CHIPS & OUTLET COMPARISON  (core product surface)
   Olhar Factual aggregates the SAME story across Brazilian outlets and shows
   how each one frames it. These primitives express a single outlet's lean.
---------------------------------------------------------------------------- */
.of-chip { display: inline-flex; align-items: center; gap: 0.4em; font-family: var(--of-mono);
  font-size: var(--of-fs-micro); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.16em 0.5em; border-radius: 99px; border: 1px solid var(--of-rule); color: var(--of-ink-55); }
.of-chip::before { content: ''; width: 7px; height: 7px; border-radius: 99px; background: var(--of-ink-30); }
.of-chip--left::before   { background: var(--of-bias-left); }
.of-chip--center::before { background: var(--of-ink-40); }
.of-chip--right::before  { background: var(--of-bias-right); }

/* a single outlet's take on the story */
.of-outlet { display: grid; grid-template-columns: 150px 1fr; gap: var(--of-s5);
  padding-block: var(--of-s4); border-top: 1px solid var(--of-rule); align-items: start; }
.of-outlet:first-child { border-top: 0; }
.of-outlet__brand { display: flex; flex-direction: column; gap: 0.35rem; }
.of-outlet__name { font-family: var(--of-mono); font-weight: 700; font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--of-ink); }
.of-outlet__take { font-family: var(--of-serif); font-size: 1.05rem; line-height: 1.4; color: var(--of-ink-80); margin: 0; }
.of-outlet__take .hl-l { background: color-mix(in oklab, var(--of-bias-left) 18%, transparent); }
.of-outlet__take .hl-r { background: color-mix(in oklab, var(--of-bias-right) 20%, transparent); }
.of-outlet__note { font-family: var(--of-mono); font-size: var(--of-fs-micro); color: var(--of-ink-40);
  letter-spacing: 0.06em; margin-top: 0.4rem; }
@media (max-width: 640px){ .of-outlet { grid-template-columns: 1fr; gap: var(--of-s2); } }

/* big bias gauge for a story header */
.of-gauge { display: flex; flex-direction: column; gap: var(--of-s2); }
.of-gauge__nums { display: flex; justify-content: space-between; font-family: var(--of-mono);
  font-size: var(--of-fs-label); letter-spacing: 0.1em; }
.of-gauge__nums .l { color: var(--of-bias-left); } .of-gauge__nums .c { color: var(--of-ink-40); } .of-gauge__nums .r { color: var(--of-bias-right); }

/* ----------------------------------------------------------------------------
   10. BUTTONS & LINKS
---------------------------------------------------------------------------- */
.of-btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--of-mono); font-size: var(--of-fs-label); font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0.7em 1.3em; border: 1px solid var(--of-ink); background: var(--of-ink); color: var(--of-paper);
  border-radius: var(--of-radius); cursor: pointer; transition: background 0.18s, color 0.18s; }
.of-btn:hover { background: transparent; color: var(--of-ink); }
.of-btn--ghost { background: transparent; color: var(--of-ink); }
.of-btn--ghost:hover { background: var(--of-ink); color: var(--of-paper); }
.of-textlink {
  font-family: var(--of-mono); font-size: var(--of-fs-label); font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--of-ink-60);
  display: inline-flex; align-items: center; gap: 0.4em; transition: color 0.18s; }
.group:hover .of-textlink, .of-textlink:hover { color: var(--of-crimson); }

/* ----------------------------------------------------------------------------
   11. LOGO LOCKUP
---------------------------------------------------------------------------- */
.of-logo { display: inline-flex; align-items: center; gap: 0.75rem; color: var(--of-ink); }
.of-logo__mark { font-family: var(--of-display); font-size: 1.9rem; line-height: 0.9; letter-spacing: 0.02em; }
.of-logo__rule { width: 1px; align-self: stretch; background: var(--of-ink-30); }
.of-logo__word { font-family: var(--of-display); font-size: 0.78rem; line-height: 1.18;
  letter-spacing: 0.32em; text-transform: uppercase; }
.of-logo--stacked .of-logo__word { display: flex; flex-direction: column; }
/* avatar marks */
.of-avatar { display: inline-grid; place-items: center; font-family: var(--of-display);
  width: 2.6rem; height: 2.6rem; font-size: 1.05rem; letter-spacing: 0.02em; }
.of-avatar--square { background: var(--of-ink); color: var(--of-paper); border-radius: var(--of-radius); }
.of-avatar--outline { background: transparent; color: var(--of-ink); border: 1px solid var(--of-rule); border-radius: 6px; }
.of-avatar--circle { background: var(--of-ink); color: var(--of-paper); border-radius: 99px; }

/* ----------------------------------------------------------------------------
   12. MASTHEAD & NAV
---------------------------------------------------------------------------- */
.of-masthead { background: var(--of-paper); border-bottom: 1px solid var(--of-rule); }
.of-masthead__bar { display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--of-s2); border-bottom: 1px solid var(--of-rule); }
.of-masthead__date, .of-masthead__tagline {
  font-family: var(--of-mono); font-size: 0.625rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--of-ink-60); }
.of-masthead__title { text-align: center; padding-block: var(--of-s6); border-bottom: 2px solid var(--of-ink); }
.of-wordmark { font-family: var(--of-display); font-size: var(--of-fs-wordmark); line-height: 0.92;
  letter-spacing: 0.06em; margin: 0; }
.of-nav { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; }
.of-nav a { padding: 0.85rem 1rem; font-family: var(--of-mono); font-size: var(--of-fs-label);
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--of-ink-55);
  border-right: 1px solid var(--of-rule); transition: background 0.15s, color 0.15s; }
.of-nav a:last-child { border-right: 0; }
.of-nav a:hover { color: var(--of-ink); background: color-mix(in oklab, var(--of-paper-sunken) 60%, transparent); }
.of-nav a[aria-current="page"] { color: var(--of-ink); font-weight: 700; }

/* compact sticky header variant (article / section pages) */
.of-topbar { position: sticky; top: 0; z-index: 50; background: color-mix(in oklab, var(--of-paper) 92%, transparent);
  backdrop-filter: blur(6px); border-bottom: 1px solid var(--of-rule); }
.of-topbar__inner { display: flex; align-items: center; justify-content: space-between; padding-block: var(--of-s3); }

/* ----------------------------------------------------------------------------
   13. BREAKING TICKER
---------------------------------------------------------------------------- */
.of-ticker { background: var(--of-breaking); color: var(--of-on-red); overflow: hidden; }
.of-ticker__inner { display: flex; align-items: stretch; max-width: var(--of-maxw); margin-inline: auto; }
.of-ticker__tag { flex: none; background: color-mix(in oklab, #000 22%, var(--of-breaking));
  display: flex; align-items: center; gap: 0.6rem; padding: 0.6rem 1.1rem; }
.of-ticker__dot { font-size: 0.7rem; animation: of-pulse 1.6s ease-in-out infinite; }
.of-ticker__tag span { font-family: var(--of-mono); font-weight: 700; font-size: var(--of-fs-micro);
  letter-spacing: 0.3em; text-transform: uppercase; white-space: nowrap; }
.of-ticker__viewport { position: relative; overflow: hidden; flex: 1; padding-block: 0.6rem; }
.of-ticker__track { display: flex; white-space: nowrap; width: max-content; animation: of-marquee 38s linear infinite; }
.of-ticker__track:hover { animation-play-state: paused; }
.of-ticker__item { font-family: var(--of-serif); font-size: 0.95rem; padding-inline: 1.4rem; }
.of-ticker__item::after { content: '·'; opacity: 0.4; margin-left: 1.4rem; }

@keyframes of-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes of-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) {
  .of-ticker__track { animation: none; }
  .of-ticker__dot { animation: none; }
}

/* ----------------------------------------------------------------------------
   14. FOOTER
---------------------------------------------------------------------------- */
.of-footer { border-top: 2px solid var(--of-ink); margin-top: var(--of-s9); padding-block: var(--of-s7) var(--of-s6); }
.of-footer__cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--of-s6); }
.of-footer__col h4 { font-family: var(--of-mono); font-size: var(--of-fs-micro); font-weight: 700;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--of-ink-40); margin: 0 0 var(--of-s3); }
.of-footer__col a { display: block; font-family: var(--of-serif); font-size: 0.95rem; color: var(--of-ink-60);
  padding-block: 0.2rem; transition: color 0.15s; }
.of-footer__col a:hover { color: var(--of-crimson); }

/* ----------------------------------------------------------------------------
   15. UTILITIES
---------------------------------------------------------------------------- */
.of-grid { display: grid; gap: var(--of-s6); }
@media (min-width: 768px) {
  .of-grid--hero { grid-template-columns: 3fr 2fr; gap: var(--of-s7); align-items: start; }
  .of-grid--4 { grid-template-columns: repeat(4, 1fr); }
  .of-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .of-grid--article { grid-template-columns: minmax(0,1fr) 300px; gap: var(--of-s8); }
  .of-span-2 { grid-column: span 2; }
}
.of-mono { font-family: var(--of-mono); }
.of-muted { color: var(--of-ink-55); }
.of-pad-y { padding-block: var(--of-s7); }