:root {
  --green: #0b6b4f;
  --green-dark: #17342b;
  --wine: #b0003a;
  --gold: #f8dc53;
  --ink: #252525;
  --muted: #666;
  --paper: #f5f3ed;
  --line: #ddd8cb;
  --max: 1180px;
  font-family: Lato, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 0; }
.skip-link:focus { left: 16px; z-index: 99; padding: 10px 14px; background: #fff; }

.site-header { position: sticky; top: 0; z-index: 40; background: #fff; box-shadow: 0 1px 0 rgb(0 0 0 / 12%); }
.nav { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 320px; max-height: 64px; object-fit: contain; object-position: left center; }
.main-nav { display: flex; align-items: center; gap: 28px; font-weight: 900; font-size: 14px; text-transform: uppercase; }
.main-nav a { padding-block: 30px; border-bottom: 3px solid transparent; }
.main-nav a:hover { color: var(--wine); border-color: var(--gold); }
.menu-toggle { display: none; border: 0; padding: 11px 14px; background: var(--gold); font: inherit; font-weight: 900; }

.portal-hero { color: #fff; background: linear-gradient(120deg, rgb(23 52 43 / 96%), rgb(176 0 58 / 84%)), url("instituto/assets/sede.jpg") center/cover; }
.hero-grid { min-height: 620px; display: grid; grid-template-columns: minmax(0, 1fr) 520px; gap: 60px; align-items: center; padding-block: 70px; }
.kicker { margin: 0 0 14px; color: var(--gold); font-size: 12px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.kicker.dark { color: var(--wine); }
.hero-copy h1 { max-width: 780px; margin: 0; color: var(--gold); font-size: 48px; line-height: .92; }
.hero-subtitle { max-width: 720px; margin: 22px 0 18px; color: #fff; font-size: clamp(28px, 4vw, 46px); font-weight: 900; line-height: 1.05; }
.hero-copy p:not(.hero-subtitle) { max-width: 620px; font-size: 20px; line-height: 1.65; }
.access-grid { display: grid; gap: 16px; }
.access-card { min-height: 240px; display: flex; flex-direction: column; justify-content: space-between; padding: 30px; background: rgb(255 255 255 / 94%); color: var(--ink); border-top: 8px solid var(--gold); transition: transform .2s ease; }
.access-card:hover { transform: translateY(-4px); }
.access-card span { color: var(--wine); font-size: 13px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.access-card strong { display: block; margin-block: 18px; font-size: 25px; line-height: 1.25; }
.access-card em { color: var(--green); font-style: normal; font-weight: 900; }
.access-card.instituto { border-color: var(--green); }

.section { padding: 86px 0; background: var(--paper); }
.section-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px; }
.section-grid article { padding: 42px; background: #fff; border: 1px solid var(--line); }
.section h2, .contact-band h2 { margin: 0 0 16px; font-size: clamp(32px, 4vw, 50px); line-height: 1.08; }
.section p { color: var(--muted); font-size: 18px; line-height: 1.7; }
.arrow-link { display: inline-block; margin-top: 14px; color: var(--green); font-weight: 900; }
.arrow-link::after { content: " ->"; }

.contact-band { padding: 78px 0; color: #fff; background: var(--green-dark); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.contact-list { font-size: 17px; line-height: 1.7; }
.contact-list a { color: var(--gold); font-weight: 900; }
.site-footer { padding: 22px 0; color: #d7e0dc; background: #1f1d1e; font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 850px) {
  .brand img { width: 235px; }
  .menu-toggle { display: inline-flex; }
  .main-nav { position: absolute; top: 84px; left: 20px; right: 20px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; color: #fff; background: var(--green-dark); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 15px; border-bottom: 1px solid rgb(255 255 255 / 14%); }
  .hero-grid, .section-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { min-height: auto; padding-block: 62px; }
}

@media (max-width: 560px) {
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .nav { min-height: 74px; }
  .brand img { width: 205px; }
  .main-nav { top: 74px; left: 14px; right: 14px; }
  .hero-copy h1 { font-size: 48px; }
  .access-card, .section-grid article { padding: 26px; }
  .access-card strong { font-size: 22px; }
  .footer-inner { flex-direction: column; }
}