/* ============================================
   SISTEMA VISUAL — arturobisono.com
   ============================================ */

:root {
  --cream:     #FFFFFF;
  --cream-2:   #F7F7F4;
  --ink:       #161616;
  --ink-soft:  #6B6B6B;
  --olive:     #5D6B3D;
  --terra:     #8E3A2A;
  --divider:   #E8E6E0;

  --serif-display: 'Cormorant Garamond', Georgia, serif;
  --serif-body:    'Source Serif Pro', Georgia, serif;
  --mono:          'IBM Plex Mono', 'Courier New', monospace;
  --ui:            'Inter', -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--serif-body);
  font-weight: 400;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; }

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: sticky;
  top: 0;
  background: var(--cream);
  border-bottom: 1px solid var(--divider);
  padding: 22px 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-name {
  font-family: var(--ui);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 36px;
  font-family: var(--ui);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--olive); }

/* ============================================
   HERO
   ============================================ */

.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 96px 48px 120px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-text h1 {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 52px;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 36px;
  letter-spacing: -0.5px;
}

.hero-text p {
  font-family: var(--serif-body);
  font-weight: 300;
  font-size: 20px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 480px;
}

.hero-image { position: relative; }

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(0.92) contrast(1.02);
}

.hero-caption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--ink-soft);
  margin-top: 14px;
  text-transform: uppercase;
}

/* ============================================
   PAGE HEADER (subpages)
   ============================================ */

.page-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 96px 48px 64px;
  border-bottom: 1px solid var(--divider);
}

.page-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 24px;
}

.page-title {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 64px;
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -1px;
  margin-bottom: 24px;
  max-width: 900px;
}

.page-subtitle {
  font-family: var(--serif-body);
  font-weight: 300;
  font-style: italic;
  font-size: 22px;
  color: var(--ink-soft);
  line-height: 1.5;
  max-width: 720px;
}

/* ============================================
   PULL QUOTE — TEDx
   ============================================ */

.quote {
  background: var(--cream-2);
  padding: 120px 48px;
  text-align: center;
}

.quote-inner { max-width: 900px; margin: 0 auto; }

.quote-text {
  font-family: var(--serif-display);
  font-weight: 300;
  font-style: italic;
  font-size: 38px;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 32px;
  letter-spacing: -0.2px;
}

.quote-attribution {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.quote-attribution a {
  color: var(--olive);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.quote-attribution a:hover { border-bottom-color: var(--olive); }

/* ============================================
   NUMBERS — CIFRAS
   ============================================ */

.numbers {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px;
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
}

.number { text-align: left; }

.number-figure {
  font-family: var(--mono);
  font-weight: 300;
  font-size: 56px;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.number-label {
  font-family: var(--ui);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 8px;
}

.number-detail {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.5px;
  line-height: 1.5;
}

/* ============================================
   FOUR SECTIONS PREVIEW
   ============================================ */

.sections {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  border-top: 1px solid var(--divider);
}

.section-card {
  display: block;
  padding: 0;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-body {
  font-family: var(--serif-body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-bottom: 24px;
  max-width: 460px;
}

.section-tags {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--ink);
  text-transform: uppercase;
}

.section-arrow {
  display: inline-block;
  margin-top: 24px;
  font-family: var(--ui);
  font-weight: 400;
  font-size: 13px;
  color: var(--olive);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--olive);
  padding-bottom: 4px;
}

/* ============================================
   GENERIC CONTENT BLOCKS
   ============================================ */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 96px 48px;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 96px 48px;
}

.prose p {
  font-family: var(--serif-body);
  font-weight: 300;
  font-size: 19px;
  line-height: 1.75;
  color: var(--ink);
  margin-bottom: 24px;
  max-width: 680px;
}

.prose p.lead {
  font-size: 24px;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.5;
}

.prose h2 {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 36px;
  line-height: 1.2;
  color: var(--ink);
  margin-top: 80px;
  margin-bottom: 24px;
}

.prose h3 {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 26px;
  margin-top: 56px;
  margin-bottom: 16px;
  color: var(--ink);
}

.prose a {
  color: var(--olive);
  text-decoration: none;
  border-bottom: 1px solid var(--olive);
  transition: opacity 0.2s;
}

.prose a:hover { opacity: 0.7; }

/* ============================================
   TIMELINE
   ============================================ */

.timeline {
  max-width: 800px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 40px;
  padding: 20px 0;
  border-bottom: 1px solid var(--divider);
}

.timeline-year {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 15px;
  color: var(--olive);
  letter-spacing: 1px;
}

.timeline-event {
  font-family: var(--serif-body);
  font-weight: 400;
  font-size: 17px;
  color: var(--ink);
  line-height: 1.5;
}

.timeline-event em {
  display: block;
  font-style: italic;
  font-weight: 300;
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 4px;
}

/* ============================================
   EMPRESA BLOCK
   ============================================ */

.empresa {
  padding: 96px 0;
  border-bottom: 1px solid var(--divider);
}

.empresa:last-child { border-bottom: none; }

.empresa-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.empresa-info { padding-top: 16px; }

.empresa-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 16px;
}

.empresa-name {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 48px;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.empresa-tagline {
  font-family: var(--serif-body);
  font-weight: 300;
  font-style: italic;
  font-size: 20px;
  color: var(--ink-soft);
  margin-bottom: 32px;
  line-height: 1.5;
}

.empresa-body {
  font-family: var(--serif-body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 32px;
}

.empresa-meta {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--divider);
}

.empresa-meta-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
}

.empresa-meta-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.empresa-meta-value {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  line-height: 1.5;
}

.empresa-link {
  display: inline-block;
  font-family: var(--ui);
  font-weight: 500;
  font-size: 13px;
  color: var(--olive);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--olive);
  padding-bottom: 4px;
}

.empresa-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(0.92) contrast(1.02);
}

/* ============================================
   PIECE LIST (papers, columnas, TEDx)
   ============================================ */

.piece {
  display: grid;
  grid-template-columns: 100px 1fr 120px;
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--divider);
  align-items: start;
}

.piece-date {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--olive);
  letter-spacing: 1px;
  padding-top: 4px;
}

.piece-content { }

.piece-title {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 8px;
}

.piece-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.piece-title a:hover { border-bottom-color: var(--olive); }

.piece-meta {
  font-family: var(--serif-body);
  font-weight: 300;
  font-style: italic;
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.piece-blurb {
  font-family: var(--serif-body);
  font-weight: 300;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  max-width: 560px;
}

.piece-source {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: right;
  padding-top: 4px;
}

.piece-source a {
  color: var(--olive);
  text-decoration: none;
  border-bottom: 1px solid var(--olive);
}

/* ============================================
   NEWSLETTER — Notas
   ============================================ */

.newsletter {
  background: var(--ink);
  color: var(--cream);
  padding: 140px 48px;
  text-align: center;
}

.newsletter-inner { max-width: 720px; margin: 0 auto; }

.newsletter-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--divider);
  margin-bottom: 32px;
}

.newsletter-title {
  font-family: var(--serif-display);
  font-weight: 300;
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 24px;
}

.newsletter-subtitle {
  font-family: var(--serif-body);
  font-weight: 300;
  font-style: italic;
  font-size: 19px;
  color: var(--divider);
  margin-bottom: 56px;
  line-height: 1.5;
}

.newsletter-form {
  display: flex;
  gap: 0;
  max-width: 480px;
  margin: 0 auto;
  border-bottom: 1px solid var(--divider);
}

.newsletter-form input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--ui);
  font-size: 15px;
  color: var(--cream);
  padding: 16px 0;
  font-weight: 300;
}

.newsletter-form input::placeholder { color: var(--ink-soft); }

.newsletter-form button {
  background: transparent;
  border: none;
  font-family: var(--ui);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cream);
  cursor: pointer;
  padding: 16px 0 16px 24px;
  transition: color 0.2s;
}

.newsletter-form button:hover { color: var(--olive); }

.newsletter-note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 24px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--cream);
  padding: 80px 48px 56px;
  border-top: 1px solid var(--divider);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.footer-brand {
  font-family: var(--serif-display);
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-tagline {
  font-family: var(--serif-body);
  font-weight: 300;
  font-style: italic;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 280px;
  line-height: 1.5;
}

.footer-col h4 {
  font-family: var(--ui);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-family: var(--serif-body);
  font-size: 14px;
  font-weight: 300;
  color: var(--ink-soft);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--olive); }

.footer-bottom {
  max-width: 1280px;
  margin: 56px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--divider);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--ink-soft);
  text-transform: uppercase;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
  .nav-inner { padding: 0 24px; flex-wrap: wrap; gap: 16px; }
  .nav-links { gap: 18px; font-size: 11px; }
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 56px 24px 80px;
  }
  .hero-text h1 { font-size: 36px; }
  .hero-text p { font-size: 17px; }
  .page-header { padding: 56px 24px 40px; }
  .page-title { font-size: 40px; }
  .page-subtitle { font-size: 18px; }
  .quote { padding: 80px 24px; }
  .quote-text { font-size: 26px; }
  .numbers {
    grid-template-columns: 1fr;
    gap: 56px;
    padding: 80px 24px;
  }
  .number-figure { font-size: 44px; }
  .sections {
    grid-template-columns: 1fr;
    gap: 56px;
    padding: 80px 24px;
  }
  .section-title { font-size: 26px; }
  .empresa-grid { grid-template-columns: 1fr; gap: 40px; }
  .empresa-name { font-size: 36px; }
  .piece {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .piece-source { text-align: left; }
  .container { padding: 56px 24px; }
  .container-narrow { padding: 56px 24px; }
  .newsletter { padding: 100px 24px; }
  .newsletter-title { font-size: 32px; }
  .newsletter-form { max-width: 100%; }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-bottom { flex-direction: column; gap: 12px; }
}