:root {
  --petroleo-900: #0b2a33;
  --petroleo-800: #0f3a47;
  --petroleo-700: #14505f;
  --petroleo-600: #1a6376;
  --petroleo-500: #22809a;
  --petroleo-100: #e3f1f5;
  --tinta-900: #14181a;
  --tinta-700: #3a4145;
  --tinta-500: #5f686c;
  --tinta-200: #d3d8da;
  --tinta-50: #f4f6f6;
  --papel: #ffffff;
  --linha: 1px solid var(--tinta-200);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--tinta-50);
  color: var(--tinta-900);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: inherit; }

a:focus-visible {
  outline: 3px solid var(--petroleo-500);
  outline-offset: 4px;
}

.site-header, .site-footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1240px;
  padding: 28px 40px;
}

.site-header { border-bottom: var(--linha); }

.logo-link { display: inline-flex; }
.logo { display: block; height: 32px; width: 214px; }
.logo-footer { height: 25px; width: 167px; }

.header-link {
  color: var(--tinta-700);
  font-size: 14px;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.hero, .statement, .pillars, .contact {
  margin: 0 auto;
  max-width: 1240px;
  padding-left: 40px;
  padding-right: 40px;
}

.hero {
  align-items: center;
  display: grid;
  gap: 72px;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr);
  min-height: 690px;
  padding-bottom: 96px;
  padding-top: 96px;
}

.eyebrow {
  color: var(--petroleo-700);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  margin: 0 0 24px;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  font-size: clamp(42px, 5.4vw, 72px);
  font-weight: 650;
  letter-spacing: -.055em;
  line-height: .98;
  margin-bottom: 32px;
  max-width: 720px;
}

.hero-text {
  color: var(--tinta-700);
  font-size: 20px;
  line-height: 1.55;
  margin-bottom: 40px;
  max-width: 550px;
}

.button {
  align-items: center;
  background: var(--petroleo-700);
  color: var(--papel);
  display: inline-flex;
  font-size: 16px;
  font-weight: 650;
  gap: 20px;
  min-height: 56px;
  padding: 0 24px;
  text-decoration: none;
}

.button:hover { background: var(--petroleo-600); }
.button span { font-size: 22px; line-height: 1; }

.hero-visual {
  aspect-ratio: 1;
  background: var(--petroleo-900);
  overflow: hidden;
  position: relative;
}

.visual-grid {
  background-image: linear-gradient(rgba(138,196,214,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(138,196,214,.1) 1px, transparent 1px);
  background-size: 52px 52px;
  inset: 0;
  position: absolute;
  transform: rotate(12deg) scale(1.35);
}

.orbit { border: 1px solid rgba(138,196,214,.45); border-radius: 50%; position: absolute; }
.orbit-one { height: 54%; left: 23%; top: 23%; transform: rotate(-28deg) scaleX(1.5); width: 54%; }
.orbit-two { height: 72%; left: 14%; top: 14%; transform: rotate(28deg) scaleX(1.25); width: 72%; }

.visual-core {
  align-items: center;
  background: var(--petroleo-500);
  border: 8px solid var(--petroleo-100);
  border-radius: 50%;
  color: var(--petroleo-900);
  display: flex;
  font-size: 44px;
  font-weight: 700;
  height: 92px;
  justify-content: center;
  left: calc(50% - 46px);
  position: absolute;
  top: calc(50% - 46px);
  width: 92px;
}

.signal { background: var(--petroleo-300, #8ac4d6); border-radius: 50%; height: 12px; position: absolute; width: 12px; }
.signal-one { left: 25%; top: 26%; }
.signal-two { right: 18%; top: 43%; }
.signal-three { bottom: 18%; left: 38%; }
.visual-label { color: var(--petroleo-100); font-size: 14px; letter-spacing: .1em; position: absolute; text-transform: uppercase; }
.label-top { left: 11%; top: 10%; }
.label-right { right: 8%; top: 28%; }
.label-bottom { bottom: 10%; left: 12%; }

.statement { align-items: start; border-top: var(--linha); display: grid; gap: 80px; grid-template-columns: 1fr 1fr; padding-bottom: 112px; padding-top: 112px; }
.statement h2, .contact h2 { font-size: clamp(32px, 4vw, 52px); font-weight: 650; letter-spacing: -.045em; line-height: 1.03; margin-bottom: 0; }
.statement-copy { color: var(--tinta-700); font-size: 18px; max-width: 500px; }
.statement-copy p + p { margin-top: 28px; }

.pillars { border-bottom: var(--linha); border-top: var(--linha); display: grid; grid-template-columns: repeat(3, 1fr); padding-bottom: 64px; padding-top: 64px; }
.pillar { padding-right: 48px; }
.pillar + .pillar { border-left: var(--linha); padding-left: 48px; }
.pillar-number { color: var(--petroleo-600); display: block; font-size: 14px; font-weight: 700; letter-spacing: .1em; margin-bottom: 28px; }
.pillar h3 { font-size: 24px; font-weight: 650; letter-spacing: -.03em; margin-bottom: 12px; }
.pillar p { color: var(--tinta-500); line-height: 1.6; margin-bottom: 0; max-width: 240px; }

.contact { align-items: end; background: var(--petroleo-100); display: grid; gap: 64px; grid-template-columns: 1fr 1fr; margin-top: 112px; padding-bottom: 80px; padding-top: 80px; }
.contact .eyebrow { margin-bottom: 20px; }
.contact-text { color: var(--tinta-700); font-size: 18px; margin-bottom: 0; max-width: 430px; }

.site-footer { color: var(--tinta-500); font-size: 14px; gap: 24px; }
@media (max-width: 800px) {
  .site-header, .site-footer, .hero, .statement, .pillars, .contact { padding-left: 24px; padding-right: 24px; }
  .site-header { padding-bottom: 20px; padding-top: 20px; }
  .header-link { display: none; }
  .hero { display: flex; flex-direction: column; gap: 56px; min-height: auto; padding-bottom: 72px; padding-top: 72px; }
  .hero-copy { width: 100%; }
  .hero-visual { width: min(100%, 520px); }
  .statement, .contact { display: block; padding-bottom: 72px; padding-top: 72px; }
  .statement-copy { margin-top: 40px; }
  .pillars { display: block; padding-bottom: 16px; padding-top: 16px; }
  .pillar, .pillar + .pillar { border-left: 0; border-top: var(--linha); padding: 32px 0; }
  .pillar:first-child { border-top: 0; }
  .contact { margin-top: 72px; }
  .contact-text { margin-top: 32px; }
  .site-footer { align-items: flex-start; flex-direction: column; padding-bottom: 32px; padding-top: 32px; }
}

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