:root {
  --ink: #17202a;
  --muted: #5f6f7d;
  --line: #dfe7ec;
  --surface: #ffffff;
  --soft: #f4f8fb;
  --brand: #007f73;
  --brand-dark: #075f58;
  --accent: #f2b544;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); font-family: Arial, Helvetica, sans-serif; background: var(--surface); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand { color: var(--brand-dark); font-size: 1.05rem; font-weight: 800; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.main-nav a { padding: 9px 12px; border-radius: 6px; color: var(--muted); font-size: 0.94rem; font-weight: 700; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: #ffffff; background: var(--brand); }

.hero {
  min-height: 620px;
  display: grid;
  align-items: end;
  padding: 120px clamp(18px, 6vw, 86px) 58px;
  color: #ffffff;
  background: linear-gradient(90deg, rgba(4, 26, 35, 0.86), rgba(4, 26, 35, 0.54), rgba(4, 26, 35, 0.18)), url("fotos/imagem da cidade tecnologica.jpg") center/cover;
}

.hero-copy { max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
.hero h1 { max-width: 780px; margin: 0; font-size: clamp(2.3rem, 5vw, 4.9rem); line-height: 1.02; letter-spacing: 0; }
.hero p:not(.eyebrow) { max-width: 640px; margin: 22px 0 0; color: rgba(255, 255, 255, 0.9); font-size: 1.14rem; line-height: 1.7; }

.hero-action, .featured a, .cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 28px;
  padding: 12px 18px;
  border-radius: 6px;
  color: #ffffff;
  background: var(--brand);
  font-weight: 800;
}
.hero-action:hover, .featured a:hover, .cta a:hover { background: var(--brand-dark); }

.intro { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-bottom: 1px solid var(--line); }
.intro div { min-height: 210px; padding: 34px clamp(20px, 4vw, 46px); background: var(--surface); }
.intro span { color: var(--brand); font-weight: 900; }
.intro h2 { margin: 18px 0 10px; font-size: 1.35rem; }
.intro p, .featured p, .article-body p, .cta p, .social-section p, footer p { color: var(--muted); line-height: 1.65; }

.featured { display: grid; grid-template-columns: minmax(280px, 0.95fr) minmax(280px, 1.05fr); gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(54px, 8vw, 104px) clamp(18px, 6vw, 86px); background: var(--soft); }
.featured img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; }
.featured h2, .section-heading h2, .cta h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.1; }
.featured p:not(.eyebrow) { margin: 20px 0 0; font-size: 1.04rem; }

.articles { padding: clamp(54px, 8vw, 104px) clamp(18px, 6vw, 86px); }
.section-heading { max-width: 780px; margin-bottom: 34px; }
.article-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
article { overflow: hidden; min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
article img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.article-body { padding: 22px; }
.meta { margin: 0 0 10px; color: var(--brand); font-size: 0.78rem; font-weight: 900; text-transform: uppercase; }
.article-body h3 { margin: 0; font-size: 1.18rem; line-height: 1.28; }
.article-body p:not(.meta) { margin: 14px 0 0; font-size: 0.95rem; }

.cta { margin: 0 clamp(18px, 6vw, 86px) clamp(54px, 8vw, 96px); padding: clamp(42px, 7vw, 72px); border-radius: 8px; color: #ffffff; background: linear-gradient(135deg, #063f4a, #007f73); }
.cta p { color: var(--accent); }
.cta h2 { max-width: 760px; }

.social-section { display: grid; grid-template-columns: minmax(260px, 0.9fr) minmax(280px, 1.1fr); gap: clamp(24px, 5vw, 64px); align-items: center; padding: 0 clamp(18px, 6vw, 86px) clamp(54px, 8vw, 96px); }
.social-section h2 { margin: 0; font-size: clamp(1.8rem, 3.4vw, 2.8rem); line-height: 1.12; }
.social-section p:not(.eyebrow) { max-width: 540px; margin: 16px 0 0; }
.social-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.social-links a { display: flex; align-items: center; gap: 12px; min-height: 72px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: #ffffff; color: var(--ink); font-weight: 800; }
.social-links a:hover { border-color: var(--brand); color: var(--brand-dark); }
.social-links span { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; color: #ffffff; background: var(--brand); font-size: 0.82rem; font-weight: 900; }

footer { padding: 24px clamp(18px, 6vw, 86px); border-top: 1px solid var(--line); background: #ffffff; }
.footer-content { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
footer p { margin: 0; font-size: 0.92rem; }
.footer-social { display: flex; flex-wrap: wrap; gap: 12px; }
.footer-social a { color: var(--brand-dark); font-size: 0.9rem; font-weight: 800; }

@media (max-width: 1040px) { .article-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .main-nav { width: 100%; }
  .main-nav a { flex: 1 1 auto; text-align: center; }
  .hero { min-height: 560px; padding-top: 88px; }
  .intro, .featured, .social-section, .article-grid { grid-template-columns: 1fr; }
  .social-links { grid-template-columns: 1fr; }
  .cta { margin-right: 18px; margin-left: 18px; }
  .footer-content { align-items: flex-start; flex-direction: column; }
}