:root {
  --blue: #2a4e8c;
  --blue-bright: #3a68b8;
  --grey: #818283;
  --ink: #0f1a2e;
  --ink-2: #16243d;
  --text: #1f2937;
  --muted: #5b6472;
  --bg: #ffffff;
  --bg-soft: #f3f5f9;
  --line: #e3e7ee;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 26, 46, .08);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; letter-spacing: -.01em; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }

:focus-visible { outline: 3px solid var(--blue-bright); outline-offset: 3px; border-radius: 6px; }

.container { width: min(1120px, 100% - 32px); margin-inline: auto; }

.skip-link {
  position: absolute; left: 16px; top: -48px; z-index: 100;
  background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px;
}
.skip-link:focus { top: 12px; }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .85em 1.5em; border-radius: 999px; font-weight: 600; text-decoration: none;
  border: 2px solid transparent; transition: transform .15s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 1.1em; height: 1.1em; fill: currentColor; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-bright); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn-ghost:hover { border-color: #fff; }
.btn-sm { padding: .6em 1.1em; font-size: .95rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: rgba(15, 26, 46, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand img { height: 50px; width: auto; }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { color: #cfd6e2; text-decoration: none; font-weight: 500; }
.nav a:hover { color: #fff; }

/* Hero */
.hero {
  color: #cfd6e2;
  background:
    radial-gradient(800px 400px at 85% 30%, rgba(58, 104, 184, .35), transparent 70%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  padding: clamp(56px, 10vw, 120px) 0;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; }
.hero .lead { font-size: 1.15rem; max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-logo img { width: 100%; max-width: 480px; margin-inline: auto; filter: drop-shadow(0 20px 40px rgba(0, 0, 0, .35)); }

.eyebrow {
  text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700;
  color: var(--blue-bright); margin-bottom: .8em;
}
.hero .eyebrow { color: #8fb0e8; }

/* Secções */
.section { padding: clamp(64px, 9vw, 104px) 0; }
.section-head { margin-bottom: 40px; }
.section-dark { background: var(--ink); color: #cfd6e2; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .eyebrow { color: #8fb0e8; }

/* Serviços */
.cards {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px;
}
.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: box-shadow .2s, transform .2s, border-color .2s;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: transparent; }
.card p { color: var(--muted); margin: 0; }
.icon {
  width: 44px; height: 44px; padding: 10px; margin-bottom: 16px; border-radius: 12px;
  fill: var(--blue); background: rgba(42, 78, 140, .1);
}

/* Sobre */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature { border-top: 2px solid rgba(255, 255, 255, .12); padding-top: 24px; }
.feature p { margin: 0; }
.feature-num { display: block; font-weight: 800; font-size: 1.6rem; color: var(--grey); margin-bottom: 12px; }

/* Contactos */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-list { margin: 0; display: grid; gap: 24px; }
.contact-list dt {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; color: var(--muted);
}
.contact-list dd { margin: 4px 0 0; font-size: 1.1rem; font-weight: 500; color: var(--ink); }
.contact-list dd a { color: var(--ink); text-decoration-color: var(--line); text-underline-offset: 4px; }
.contact-list dd a:hover { color: var(--blue); text-decoration-color: currentColor; }
.contact-list small { font-size: .78rem; font-weight: 400; color: var(--muted); }
.map {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  aspect-ratio: 4 / 3; background: var(--bg-soft);
}
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* Footer */
.site-footer { background: var(--ink); color: #8a94a6; font-size: .9rem; padding: 28px 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.footer-inner p { margin: 0; }

/* Responsivo */
@media (max-width: 860px) {
  .hero-inner, .contact-grid { grid-template-columns: 1fr; }
  .hero-logo { order: -1; }
  .hero-logo img { max-width: 300px; }
  .features { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 640px) {
  .nav { display: none; }
  .header-inner { justify-content: space-between; }
  .brand img { height: 42px; }
  .hero-actions .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}