/* ============================================================
   THE AUGMENTED LEADER · DESIGN SYSTEM
   Tokens, typography, components — shared across the site
   ============================================================ */

:root {
  /* INK · cream · gold (60/30/10) */
  --ink: #0e0d0b;
  --ink-2: #1a1814;
  --ink-3: #2a2520;
  --cream: #faf9f5;
  --cream-2: #f3eee2;
  --cream-3: #e6dec8;
  --gold: #c9a96e;
  --gold-deep: #8c7641;
  --gold-soft: #d9c193;
  --gold-glow: rgba(212, 161, 85, 0.18);

  /* Functional */
  --text: #2a2520;
  --text-muted: #6b665e;
  --line: #e6dec8;
  --green: #5d8a5d;
  --red-soft: #b85a4f;
  --ink-trans: rgba(14, 13, 11, 0.92);

  /* Shadows */
  --shadow-xs: 0 1px 4px rgba(28, 24, 20, 0.05);
  --shadow-sm: 0 2px 12px rgba(28, 24, 20, 0.07);
  --shadow-md: 0 8px 28px rgba(28, 24, 20, 0.10);
  --shadow-lg: 0 24px 60px rgba(28, 24, 20, 0.18);
  --shadow-gold: 0 4px 24px rgba(212, 161, 85, 0.30);
  --shadow-gold-strong: 0 8px 36px rgba(212, 161, 85, 0.42);

  /* Geometry */
  --radius: 4px;
  --radius-lg: 8px;

  /* 8pt grid spacing */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 16px;
  --s-4: 24px;
  --s-5: 32px;
  --s-6: 48px;
  --s-7: 64px;
  --s-8: 96px;
  --s-9: 120px;
}

/* ============================================================
   RESET + BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.serif { font-family: 'Cormorant Garamond', Georgia, serif; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 0.92em; }

/* ============================================================
   TYPOGRAPHY · Cormorant + Inter scale
   ============================================================ */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  color: var(--ink);
  text-wrap: balance;
}
h1 {
  font-size: clamp(44px, 6.5vw, 78px);
  font-weight: 400;
  letter-spacing: -1.5px;
  line-height: 1.05;
}
h2 {
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 500;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: var(--s-4);
}
h3 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 500;
  letter-spacing: -0.2px;
  line-height: 1.20;
  margin-bottom: var(--s-3);
}
h4 {
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: var(--s-3);
}
p { margin-bottom: var(--s-3); }
p.lead {
  font-size: 20px;
  line-height: 1.60;
  color: var(--text);
  font-weight: 400;
}
.eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
  margin-bottom: var(--s-3);
  display: inline-block;
}
.pull-quote {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.40;
  letter-spacing: 0.3px;
  color: var(--ink);
  margin: var(--s-6) 0;
  padding-left: var(--s-4);
  border-left: 3px solid var(--gold);
}
.caption {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  line-height: 1.50;
  color: var(--text-muted);
}

/* Reading-optimized prose for article pages */
.prose { max-width: 720px; margin: 0 auto; font-size: 19px; line-height: 1.75; }
.prose h2 { margin-top: var(--s-7); }
.prose h3 { margin-top: var(--s-6); }
.prose p { margin-bottom: var(--s-4); color: var(--text); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { font-style: italic; }
.prose ul, .prose ol { margin: var(--s-3) 0 var(--s-4) var(--s-4); }
.prose li { margin-bottom: var(--s-2); }
.prose blockquote {
  margin: var(--s-5) 0;
  padding-left: var(--s-4);
  border-left: 3px solid var(--gold);
  font-style: italic;
  color: var(--ink);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 22px;
  line-height: 1.5;
}
.prose .source {
  font-size: 14px;
  color: var(--text-muted);
  font-style: italic;
  margin: var(--s-3) 0 var(--s-5) 0;
  padding-left: var(--s-3);
  border-left: 1px solid var(--cream-3);
}
.prose .scoring-card {
  background: var(--cream-2);
  border-left: 3px solid var(--gold);
  padding: var(--s-4) var(--s-5);
  margin: var(--s-5) 0;
  border-radius: var(--radius);
}
.prose .scoring-card p { margin-bottom: var(--s-3); }

/* ============================================================
   LAYOUT containers + sections
   ============================================================ */
.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 28px; }
.container-wide { max-width: 1320px; margin: 0 auto; padding: 0 28px; }

section { padding: var(--s-9) 0; position: relative; }
@media (max-width: 768px) {
  section { padding: 72px 0; }
  .container, .container-narrow, .container-wide { padding: 0 20px; }
  .prose { font-size: 17px; }
}

.section-dark { background: var(--ink); color: var(--cream); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--cream); }
.section-dark p { color: var(--gold-soft); }
.section-dark .eyebrow { color: var(--gold); }
.section-dark .caption { color: var(--gold-soft); }

.section-cream-2 { background: var(--cream-2); }

/* ============================================================
   CTA buttons
   ============================================================ */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 36px;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
  min-height: 56px;
  line-height: 1.2;
}
.cta-primary {
  background: var(--gold);
  color: var(--ink);
  box-shadow: var(--shadow-gold);
}
.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-strong);
  background: var(--gold-soft);
}
.cta-secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.cta-secondary:hover {
  background: var(--ink);
  color: var(--cream);
  transform: translateY(-2px);
}
.section-dark .cta-secondary {
  color: var(--cream);
  border-color: var(--cream);
}
.section-dark .cta-secondary:hover {
  background: var(--cream);
  color: var(--ink);
}
.cta-arrow { font-size: 16px; line-height: 1; }
@media (max-width: 600px) {
  .cta { width: 100%; padding: 18px 24px; font-size: 13px; }
}

/* ============================================================
   NAV
   ============================================================ */
nav.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 245, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--cream-3);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  max-width: 1320px;
  margin: 0 auto;
  gap: 16px;
}
.nav-brand {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  letter-spacing: 3.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-brand .gold {
  color: var(--gold-deep);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 2.5px;
}
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-link {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--ink);
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--gold-deep); }
.nav-link.active { color: var(--gold-deep); font-weight: 600; }
.nav-cta {
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--cream);
  transition: all 0.2s ease;
}
.nav-cta:hover { background: var(--gold-deep); }
@media (max-width: 720px) {
  .nav-link.hide-mobile { display: none; }
  .nav-brand .gold { display: none; }
  .nav-links { gap: 14px; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background:
    radial-gradient(ellipse 900px 700px at 18% 22%, rgba(212, 161, 85, 0.16), transparent 60%),
    radial-gradient(ellipse 1100px 800px at 85% 78%, rgba(212, 161, 85, 0.12), transparent 65%),
    linear-gradient(155deg, #0e0d0b 0%, #1a1814 55%, #2a2520 100%);
  color: var(--cream);
  padding: 110px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 28%, var(--gold-soft) 50%, transparent),
    radial-gradient(1px 1px at 32% 62%, var(--gold-soft) 50%, transparent),
    radial-gradient(1px 1px at 68% 18%, var(--gold-soft) 50%, transparent),
    radial-gradient(1.5px 1.5px at 82% 72%, var(--gold) 50%, transparent),
    radial-gradient(1px 1px at 48% 88%, var(--gold-soft) 50%, transparent),
    radial-gradient(1px 1px at 88% 38%, var(--gold-soft) 50%, transparent),
    radial-gradient(1px 1px at 22% 82%, var(--gold-soft) 50%, transparent);
  opacity: 0.45;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; text-align: center; }
.hero h1 { color: var(--cream); margin-bottom: var(--s-4); }
.hero p.lead { color: var(--gold-soft); max-width: 720px; margin: 0 auto var(--s-5); }
.hero-cta-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-top: var(--s-5); }

/* Article hero (briefings) */
.article-hero {
  background: var(--ink);
  color: var(--cream);
  padding: 80px 0 60px;
  text-align: center;
}
.article-hero .eyebrow { color: var(--gold); }
.article-hero h1 { color: var(--cream); margin-bottom: var(--s-3); font-size: clamp(36px, 5.5vw, 60px); }
.article-hero .article-meta { color: var(--gold-soft); font-size: 14px; letter-spacing: 1px; }
.article-hero .article-meta span { margin: 0 8px; color: var(--gold-deep); }

/* ============================================================
   CARDS · entry points + briefing cards
   ============================================================ */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
  margin-top: var(--s-7);
}
@media (max-width: 900px) {
  .entry-grid { grid-template-columns: 1fr; gap: var(--s-4); }
}
.entry-card {
  background: var(--cream);
  border: 1px solid var(--cream-3);
  border-radius: var(--radius-lg);
  padding: var(--s-5) var(--s-5);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  min-height: 280px;
}
.entry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}
.entry-card .icon-glyph {
  font-family: 'Cormorant Garamond', serif;
  font-size: 56px;
  color: var(--gold);
  line-height: 1;
  margin-bottom: var(--s-3);
}
.entry-card h3 { margin-bottom: var(--s-2); color: var(--ink); }
.entry-card p { font-size: 16px; color: var(--text-muted); margin-bottom: var(--s-4); flex-grow: 1; }
.entry-card .arrow {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold-deep);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s ease;
}
.entry-card:hover .arrow { gap: 14px; color: var(--ink); }

/* Briefing cards (biblioteca) */
.briefing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-4);
  margin-top: var(--s-5);
}
@media (max-width: 760px) { .briefing-grid { grid-template-columns: 1fr; } }
.briefing-card {
  background: var(--cream);
  border: 1px solid var(--cream-3);
  border-radius: var(--radius-lg);
  padding: var(--s-4) var(--s-5);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  cursor: pointer;
}
.briefing-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
}
.briefing-card .briefing-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--gold-deep);
  font-weight: 500;
}
.briefing-card .briefing-date {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.briefing-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 var(--s-2);
  line-height: 1.25;
  letter-spacing: -0.3px;
}
.briefing-card .briefing-summary {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}
.briefing-card .briefing-tags {
  display: flex;
  gap: 6px;
  margin-top: var(--s-2);
  flex-wrap: wrap;
}
.briefing-card .tag {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--gold-deep);
  background: var(--cream-2);
  padding: 4px 10px;
  border-radius: 100px;
}
.briefing-card.locked { opacity: 0.55; cursor: default; }
.briefing-card.locked:hover { transform: none; border-color: var(--cream-3); box-shadow: none; }
.briefing-card.locked .briefing-num::after { content: ' · ARCHIVO'; color: var(--text-muted); }

/* Featured (latest) briefing on Home */
.featured-briefing {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--s-5);
  align-items: center;
  background: var(--ink);
  color: var(--cream);
  padding: var(--s-5) var(--s-6);
  border-radius: var(--radius-lg);
  margin-top: var(--s-6);
}
@media (max-width: 720px) {
  .featured-briefing { grid-template-columns: 1fr; padding: var(--s-5); }
}
.featured-briefing .featured-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 96px;
  color: var(--gold);
  line-height: 1;
  font-weight: 400;
}
.featured-briefing h3 {
  color: var(--cream);
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(28px, 3.5vw, 38px);
  margin-bottom: var(--s-3);
}
.featured-briefing p { color: var(--gold-soft); margin-bottom: var(--s-3); }
.featured-briefing .arrow { color: var(--gold); }

/* ============================================================
   SEARCH BAR (biblioteca)
   ============================================================ */
.search-wrap {
  margin-top: var(--s-6);
  margin-bottom: var(--s-5);
}
.search-input {
  width: 100%;
  padding: 18px 24px;
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  background: var(--cream);
  border: 1.5px solid var(--cream-3);
  border-radius: var(--radius-lg);
  color: var(--ink);
  transition: all 0.2s ease;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
  outline: none;
  border-color: var(--gold);
  background: white;
  box-shadow: var(--shadow-sm);
}
.search-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--s-3);
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}
.tag-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag-filter button {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--cream-3);
  padding: 6px 14px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.tag-filter button:hover { border-color: var(--gold); color: var(--gold-deep); }
.tag-filter button.active { background: var(--ink); color: var(--cream); border-color: var(--ink); }

/* ============================================================
   AUTHOR CARD (about)
   ============================================================ */
.author-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--s-7);
  align-items: start;
}
@media (max-width: 800px) { .author-grid { grid-template-columns: 1fr; } }
.author-portrait {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(155deg, var(--ink-2), var(--ink-3));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 84px;
  color: var(--gold);
  font-weight: 400;
}
.author-portrait img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-lg); }

/* ============================================================
   CONTACT CARDS
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  margin-top: var(--s-6);
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--cream);
  border: 1.5px solid var(--cream-3);
  border-radius: var(--radius-lg);
  padding: var(--s-5);
  text-align: center;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
}
.contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
}
.contact-card .glyph {
  font-family: 'Cormorant Garamond', serif;
  font-size: 48px;
  color: var(--gold);
  line-height: 1;
  margin-bottom: var(--s-2);
}
.contact-card h3 { margin-bottom: var(--s-1); font-size: 22px; }
.contact-card p { font-size: 14px; color: var(--text-muted); margin-bottom: var(--s-3); line-height: 1.5; }
.contact-card .contact-link {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gold-deep);
  border-top: 1px solid var(--cream-3);
  padding-top: var(--s-3);
  margin-top: auto;
  width: 100%;
}
.contact-card:hover .contact-link { color: var(--ink); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--ink);
  color: var(--cream-3);
  padding: var(--s-7) 0 var(--s-5);
}
footer .container { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--s-5); }
@media (max-width: 760px) {
  footer .container { grid-template-columns: 1fr 1fr; gap: var(--s-4); }
  footer .footer-brand { grid-column: 1 / -1; }
}
footer h4 { color: var(--gold); margin-bottom: var(--s-3); }
footer .footer-brand .brand-name {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--cream);
  text-transform: uppercase;
  margin-bottom: var(--s-2);
}
footer .footer-brand p { font-size: 14px; color: var(--gold-soft); line-height: 1.6; max-width: 360px; }
footer ul { list-style: none; padding: 0; }
footer li { margin-bottom: 10px; }
footer a {
  font-size: 14px;
  color: var(--cream-3);
  transition: color 0.2s ease;
}
footer a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--ink-3);
  padding-top: var(--s-4);
  margin-top: var(--s-6);
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
}
.footer-tagline {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 18px;
  color: var(--gold-soft);
  margin-top: var(--s-3);
  text-align: center;
  letter-spacing: 0.3px;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.mt-3 { margin-top: var(--s-3); }
.mt-5 { margin-top: var(--s-5); }
.mt-7 { margin-top: var(--s-7); }
.divider { border: 0; border-top: 1px solid var(--cream-3); margin: var(--s-6) 0; }
.section-dark .divider { border-color: var(--ink-3); }
.divider-gold { border: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); margin: var(--s-5) 0; }

/* Smooth scroll arrival animation */
.fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }