/* ============================================================
   ClaraEA — shared stylesheet
   Used by: home (ClaraEA-Mockup.html), CMDB page, Author page
   ============================================================ */

:root {
  --bg-primary: #F5F2EC;
  --bg-elevated: #FFFFFF;
  --ink-primary: #1A1A1A;
  --ink-muted: #5C5C5C;
  --brand-deep: #1B2D4F;
  --brand-deep-hover: #0E1A2E;
  --accent-gold: #B8945E;
  --accent-gold-soft: #C9A370;
  --rule: #D9D4C7;
  --surface-dark: #0E1A2E;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ HEADER ============ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 242, 236, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.logo span { color: var(--accent-gold); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--ink-primary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent-gold);
  transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--brand-deep); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.current { color: var(--brand-deep); }
.nav-links a.current::after { width: 100%; }

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-switch {
  display: flex;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.lang-switch button {
  background: none;
  border: none;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 4px 6px;
  text-transform: uppercase;
  font-family: var(--sans);
  font-weight: 500;
  transition: color 0.2s;
}

.lang-switch button.active { color: var(--brand-deep); border-bottom: 1px solid var(--accent-gold); }
.lang-switch button:hover { color: var(--brand-deep); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s;
  cursor: pointer;
  font-family: var(--sans);
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.btn-primary { background: var(--brand-deep); color: #fff; }
.btn-primary:hover { background: var(--brand-deep-hover); transform: translateY(-1px); }

.btn-outline { background: transparent; color: var(--brand-deep); border-color: var(--brand-deep); }
.btn-outline:hover { background: var(--brand-deep); color: #fff; }

/* ============ HERO ============ */
.hero {
  padding: 120px 0 140px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 72px;
  align-items: center;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1/1;
  background: transparent;
  overflow: visible;
}

.hero-visual canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  background: transparent;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 32px;
}

.hero-quote {
  font-family: var(--serif);
  font-size: clamp(40px, 5.2vw, 72px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  max-width: 18ch;
  margin-bottom: 24px;
}

.hero-attribution {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-muted);
  margin-bottom: 40px;
}

.hero-subtitle {
  font-size: 19px;
  line-height: 1.55;
  max-width: 56ch;
  color: var(--ink-primary);
  margin-bottom: 48px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Page-style hero (without 3D), used by CMDB and Autor pages */
.page-hero {
  padding: 96px 0 64px;
}
.page-hero .section-title { max-width: 26ch; }

/* ============ SECTIONS ============ */
section {
  padding: 120px 0;
  border-top: 1px solid var(--rule);
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 32px;
  max-width: 22ch;
}

.section-lead {
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink-primary);
  max-width: 68ch;
  margin-bottom: 24px;
}

/* ============ MANIFESTO ============ */
.manifesto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.pullquote {
  border-left: 2px solid var(--accent-gold);
  padding: 12px 0 12px 32px;
  margin: 40px 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink-primary);
}

.pullquote cite {
  display: block;
  margin-top: 16px;
  font-style: normal;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ============ FRAMEWORK DIAGRAM ============ */
.framework {
  background: var(--bg-elevated);
  padding: 120px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.framework-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 80px;
  align-items: start;
}

.layers-stack { display: flex; flex-direction: column; gap: 6px; }

/* Direcionadores Estratégicos — orientadores externos, acima da pirâmide */
.strategic-drivers {
  border-left: 3px solid var(--accent-gold);
  background: var(--bg-primary);
  padding: 18px 22px 18px 22px;
  margin-bottom: 28px;
}
.strategic-drivers .sd-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 6px;
}
.strategic-drivers .sd-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 10px;
  letter-spacing: -0.005em;
}
.strategic-drivers .sd-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.strategic-drivers .sd-pill {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--rule);
  padding: 5px 12px;
  border-radius: 999px;
}
.strategic-drivers .sd-arrow {
  display: block;
  text-align: center;
  margin: 14px 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.layer-group-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin: 16px 0 8px;
}
.layer-group-label:first-child { margin-top: 0; }

.layer {
  background: var(--bg-primary);
  border: 1px solid var(--rule);
  border-left: 3px solid transparent;
  padding: 16px 20px;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 500;
}

.layer:hover { border-left-color: var(--accent-gold); background: #FAF8F4; }
.layer.active { background: var(--brand-deep); color: #fff; border-color: var(--brand-deep); border-left-color: var(--accent-gold); }

.layer .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-muted);
}
.layer.active .num { color: var(--accent-gold); }

.layer-detail {
  background: var(--bg-primary);
  border: 1px solid var(--rule);
  padding: 48px;
  min-height: 480px;
  position: sticky;
  top: 100px;
}

.layer-detail h3 {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.layer-detail .layer-cat {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 12px;
  font-weight: 600;
}

.layer-detail p { font-size: 16px; line-height: 1.7; color: var(--ink-primary); margin-bottom: 16px; }
.layer-detail ul { list-style: none; margin-top: 24px; }
.layer-detail ul li { padding: 10px 0; border-bottom: 1px solid var(--rule); font-size: 14px; color: var(--ink-muted); }
.layer-detail ul li:last-child { border-bottom: none; }

/* ============ EA/CMDB SECTION ============ */
.cmdb {
  background: var(--surface-dark);
  color: #fff;
  border: none;
}
.cmdb .section-eyebrow { color: var(--accent-gold); }
.cmdb .section-title { color: #fff; }
.cmdb .section-lead { color: rgba(255,255,255,0.78); }

.cmdb-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: center;
  margin-top: 56px;
}

.cmdb-graph {
  position: relative;
  aspect-ratio: 1/1;
  width: 100%;
}

.cmdb-graph svg { width: 100%; height: 100%; display: block; }

.cmdb-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.cmdb-feature {
  border: 1px solid rgba(255,255,255,0.12);
  padding: 28px;
  background: rgba(255,255,255,0.03);
  transition: border-color 0.25s, background 0.25s;
}
.cmdb-feature:hover { border-color: var(--accent-gold); background: rgba(184,148,94,0.05); }

.cmdb-feature h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #fff;
  letter-spacing: -0.01em;
}

.cmdb-feature p { font-size: 15px; line-height: 1.6; color: rgba(255,255,255,0.7); }

.cmdb-feature .feature-icon {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--accent-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

/* ============ CAPABILITY GRID (CMDB page) ============ */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.capability-card {
  border: 1px solid var(--rule);
  background: var(--bg-elevated);
  padding: 36px 32px;
  transition: border-color 0.25s, transform 0.25s;
}
.capability-card:hover { border-color: var(--accent-gold); transform: translateY(-2px); }

.capability-card .cap-num {
  font-family: var(--serif);
  font-size: 14px;
  font-style: italic;
  color: var(--accent-gold);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  display: block;
  text-transform: uppercase;
}

.capability-card h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.capability-card p { font-size: 15px; line-height: 1.65; color: var(--ink-muted); }

/* ============ COMPARISON TABLE ============ */
.compare-wrap {
  margin-top: 48px;
  border: 1px solid var(--rule);
  background: var(--bg-elevated);
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.compare-table th, .compare-table td {
  text-align: left;
  padding: 18px 20px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.compare-table thead th {
  background: var(--bg-primary);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-primary);
}

.compare-table thead th.highlight {
  background: var(--brand-deep);
  color: #fff;
  border-bottom-color: var(--accent-gold);
}

.compare-table td.feature { font-weight: 500; }
.compare-table td.check-yes { color: var(--brand-deep); font-weight: 600; }
.compare-table td.check-partial { color: var(--accent-gold); font-weight: 500; }
.compare-table td.check-no { color: var(--ink-muted); }
.compare-table td.highlight { background: rgba(27,45,79,0.04); }

/* ============ CASES ============ */
.case-card {
  background: var(--bg-elevated);
  border: 1px solid var(--rule);
  padding: 64px;
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.case-card .case-tag {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: 16px;
}

.case-card h3 {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
}

.case-stat { text-align: center; padding: 24px; border-left: 1px solid var(--rule); }
.case-stat .figure {
  font-family: var(--serif);
  font-size: 64px;
  font-weight: 600;
  color: var(--brand-deep);
  line-height: 1;
  letter-spacing: -0.03em;
}
.case-stat .desc { font-size: 14px; color: var(--ink-muted); margin-top: 12px; max-width: 22ch; margin-left: auto; margin-right: auto; }

/* ============ AUTHOR ============ */
.author-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}

.author-photo {
  aspect-ratio: 1/1.2;
  background: linear-gradient(135deg, #2A3D5C 0%, #1B2D4F 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-photo .initials {
  font-family: var(--serif);
  font-size: 96px;
  color: rgba(184, 148, 94, 0.4);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.author-bio p { font-size: 17px; line-height: 1.7; margin-bottom: 16px; }

.timeline { margin-top: 48px; border-top: 1px solid var(--rule); padding-top: 32px; }
.timeline-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.timeline-row:last-child { border-bottom: none; }
.timeline-year {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--accent-gold);
  font-weight: 600;
  font-style: italic;
}
.timeline-event { font-size: 15px; color: var(--ink-primary); }

/* ============ NEWSLETTER ============ */
.newsletter {
  background: var(--surface-dark);
  color: #fff;
  padding: 96px 0;
  text-align: center;
  border: none;
}

.newsletter .section-eyebrow { color: var(--accent-gold); }

.newsletter h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.015em;
  color: #fff;
}

.newsletter p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  max-width: 52ch;
  margin: 0 auto 40px;
}

.newsletter-form {
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  gap: 8px;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-family: var(--sans);
  font-size: 15px;
  border-radius: 4px;
  outline: none;
}
.newsletter-form input:focus { border-color: var(--accent-gold); }
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }

.newsletter-form button {
  background: var(--accent-gold);
  color: var(--surface-dark);
  border: none;
  padding: 14px 28px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: background 0.2s;
}
.newsletter-form button:hover { background: var(--accent-gold-soft); }

/* ============ FOOTER ============ */
footer {
  background: var(--bg-primary);
  padding: 64px 0 32px;
  border-top: 1px solid var(--rule);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

footer .logo { display: block; margin-bottom: 12px; }

.footer-tagline {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-muted);
  font-size: 15px;
  max-width: 36ch;
}

.footer-col h4 {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-primary);
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--brand-deep); }

.footer-bottom {
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-muted);
  flex-wrap: wrap;
  gap: 16px;
}

/* ============ ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .manifesto-grid, .framework-grid, .author-grid, .case-card, .cmdb-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual { max-width: 360px; margin: 0 auto; }
  .case-card { padding: 40px; }
  .case-stat { border-left: none; border-top: 1px solid var(--rule); padding-top: 32px; }
  .layer-detail { position: static; min-height: auto; padding: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cmdb-features, .capability-grid { grid-template-columns: 1fr; }
  section { padding: 80px 0; }
  .hero { padding: 64px 0 80px; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .newsletter-form { flex-direction: column; }
  .timeline-row { grid-template-columns: 1fr; gap: 4px; }
}