/* Kardo — estilo corporativo */

:root {
  --navy-900: #0a1f3d;
  --navy-800: #0f2c54;
  --navy-700: #16396b;
  --navy-600: #1e4a87;
  --gold: #816526;
  --gold-light: #9c7a2e;
  --paper: #ffffff;
  --paper-alt: #f4f6f9;
  --ink: #1a2433;
  --ink-soft: #4b5768;
  --muted: #5a6472;
  --line: #dde3ea;
  --line-strong: #c3ccd7;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container: 1120px;
  --header-h: 84px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--navy-900);
  margin: 0 0 16px;
  line-height: 1.2;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }

p { margin: 0 0 16px; color: var(--ink-soft); }

.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 640px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 12px 20px;
  background: var(--navy-900);
  color: var(--paper);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  left: 8px;
  top: 8px;
}

main { scroll-margin-top: var(--header-h); }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  display: block;
  height: 32px;
  width: auto;
}

.main-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.main-nav a:not(.btn) {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:not(.btn):hover,
.main-nav a:not(.btn).active {
  color: var(--navy-900);
  border-bottom-color: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.header-actions .btn {
  padding: 11px 24px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.btn-label-short { display: none; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 2px;
}

.nav-toggle-btn:hover { background: var(--paper-alt); }
.nav-toggle-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy-900);
  border-radius: 1px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.nav-toggle-icon { position: relative; }
.nav-toggle-icon::before, .nav-toggle-icon::after { content: ""; position: absolute; left: 0; }
.nav-toggle-icon::before { top: -7px; }
.nav-toggle-icon::after { top: 7px; }

.nav-toggle-btn[aria-expanded="true"] .nav-toggle-icon { background: transparent; }
.nav-toggle-btn[aria-expanded="true"] .nav-toggle-icon::before { top: 0; transform: rotate(45deg); }
.nav-toggle-btn[aria-expanded="true"] .nav-toggle-icon::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .logo img { height: 26px; }

  .nav-toggle-btn { display: flex; }

  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px -12px rgba(10, 31, 61, 0.15);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    /* visibility flips instantly, but only after the collapse finishes */
    transition: max-height 0.2s ease, opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.2s;
  }

  .main-nav.nav-open {
    /* vh fallback first: without dvh support the panel would never open */
    max-height: calc(100vh - var(--header-h));
    max-height: calc(100dvh - var(--header-h));
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    overflow-y: auto;
    transition: max-height 0.2s ease, opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0s;
  }

  .main-nav a:not(.btn) {
    padding: 16px 32px;
    width: 100%;
    border-bottom: 1px solid var(--line);
    border-left: 2px solid transparent;
  }

  .main-nav a:not(.btn):hover,
  .main-nav a:not(.btn).active {
    border-bottom-color: var(--line);
    border-left-color: var(--gold);
    background: var(--paper-alt);
  }

  .header-actions .btn {
    padding: 10px 16px;
    font-size: 0.82rem;
  }

  .btn-label-full { display: none; }
  .btn-label-short { display: inline; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.7rem; }
  .hero { padding: 56px 0 48px; }
  .wrap { padding: 0 20px; }
}

/* Buttons */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: 2px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--navy-900);
  color: var(--paper);
  border: 1px solid var(--navy-900);
}

.btn-primary:hover { background: var(--navy-700); border-color: var(--navy-700); }

.btn-outline {
  background: transparent;
  color: var(--navy-900);
  border: 1px solid var(--line-strong);
}

.btn-outline:hover { border-color: var(--navy-900); }

.btn-gold {
  background: var(--gold);
  color: var(--paper);
  border: 1px solid var(--gold);
}

.btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--paper-alt) 0%, var(--paper) 100%);
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--line);
}

.hero .wrap { max-width: 780px; }

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 28px;
  padding: 16px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 620px;
}

.hero-note strong { color: var(--navy-900); }

/* Sections */
section { padding: 80px 0; }
section.alt { background: var(--paper-alt); }
section.navy {
  background: var(--navy-900);
  color: var(--paper);
}
section.navy h2, section.navy h3 { color: var(--paper); }
section.navy p { color: #c3ceda; }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

/* Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  h1 { font-size: 2.1rem; }
}

/* Cards */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 32px;
  border-radius: 2px;
}

.card-number {
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
}

.pillar-card {
  border-top: 3px solid var(--navy-900);
  background: var(--paper);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 36px;
}

.pillar-card.in-development { border-top-color: var(--muted); }

.pillar-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
  background: var(--paper-alt);
  color: var(--muted);
  margin-bottom: 16px;
}

.pillar-tag.active { background: #e8f0ea; color: #2c6e49; }

.pillar-list {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.pillar-list li { margin-bottom: 8px; }

.pillar-block {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.pillar-block h4 {
  font-family: var(--sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--navy-800);
  margin-bottom: 10px;
}

/* Team */
.team-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 32px;
}

.team-photo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--paper);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  overflow: hidden;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-name { font-size: 1.2rem; margin-bottom: 4px; }
.team-role { color: var(--gold); font-weight: 600; font-size: 0.9rem; margin-bottom: 4px; }
.team-discipline { color: var(--muted); font-size: 0.88rem; margin-bottom: 16px; }

.team-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.team-links a {
  font-size: 0.88rem;
  color: var(--navy-700);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--line-strong);
}
.team-links a:hover { border-bottom-color: var(--navy-700); }

/* Timeline / process */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.process-step:last-child { border-bottom: none; }

.process-step .num {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
}

@media (max-width: 700px) {
  .process-step { grid-template-columns: 1fr; gap: 8px; }
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 20px;
}

@media (max-width: 900px) {
  .principles-grid { grid-template-columns: 1fr; }
}

.principle-quote {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--navy-900);
  font-style: italic;
  margin-bottom: 10px;
}

/* Case grid */
.case-group-title {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--navy-800);
  margin: 40px 0 16px;
}

.case-group-title:first-child { margin-top: 0; }

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .case-grid { grid-template-columns: 1fr; } }

.case-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy-900);
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.case-card h4 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.case-metric {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--navy-900);
  font-size: 1rem;
  margin-bottom: 12px;
}

.case-meta {
  font-size: 0.82rem;
  color: var(--muted);
  margin: auto 0 0;
}

.disclaimer-box {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-left: 3px solid var(--navy-700);
  padding: 20px 24px;
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 32px 0;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.contact-item .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 6px;
}

.contact-item .value {
  font-size: 1.15rem;
  color: var(--navy-900);
  font-weight: 600;
}

.contact-item .value a { text-decoration: none; color: inherit; }
.contact-item .value a:hover { color: var(--gold); }

/* Footer */
.site-footer {
  background: var(--navy-900);
  color: #9fb0c4;
  padding: 56px 0 32px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-grid h4 {
  color: var(--paper);
  font-family: var(--sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.footer-grid a {
  display: block;
  color: #9fb0c4;
  text-decoration: none;
  font-size: 0.92rem;
  margin-bottom: 10px;
}
.footer-grid a:hover { color: var(--paper); }

.footer-bottom {
  padding-top: 24px;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* Utilities */
.cta-band {
  text-align: center;
}
.cta-band .wrap { max-width: 680px; }
.cta-band .hero-actions { justify-content: center; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  font-size: 0.78rem;
  padding: 4px 10px;
  background: var(--paper-alt);
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}