:root {
  --navy-900: #060d1a;
  --navy-800: #0a1628;
  --navy-700: #0f1f38;
  --navy-600: #16294a;
  --blue-500: #1a73ff;
  --blue-400: #3d8bff;
  --blue-300: #66a6ff;
  --grad: linear-gradient(135deg, #66a6ff 0%, #1a73ff 55%, #0a4bd6 100%);
  --text: #eaf1ff;
  --muted: #9bb0d3;
  --border: rgba(102, 166, 255, 0.14);
  --radius: 16px;
  --max: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--navy-900);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 26px;
  border-radius: 12px;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(26, 115, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(26, 115, 255, 0.5); }
.btn-ghost {
  background: rgba(102, 166, 255, 0.06);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(102, 166, 255, 0.14); transform: translateY(-2px); }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(6, 13, 26, 0.7);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 40px; height: 40px; border-radius: 10px; }
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -0.01em; }
.brand-name span { color: var(--blue-300); }
.nav { display: flex; gap: 30px; }
.nav a { color: var(--muted); font-size: 15px; font-weight: 500; transition: color .15s; }
.nav a:hover { color: var(--text); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 110px 0 90px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(26, 115, 255, 0.22), transparent 70%),
    var(--navy-900);
}
.hero-glow {
  position: absolute;
  width: 520px; height: 520px;
  left: 50%; top: -160px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(102, 166, 255, 0.25), transparent 65%);
  filter: blur(40px);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-300);
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(102, 166, 255, 0.06);
  margin-bottom: 26px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.hero-sub {
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 18px;
  color: var(--muted);
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 46px;
}
.hero-badges span {
  font-size: 14px;
  color: var(--muted);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
}

/* ---------- SECTIONS ---------- */
.section { padding: 90px 0; }
.section-alt { background: var(--navy-800); }
.kicker {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-lead { color: var(--muted); font-size: 17px; max-width: 600px; margin-bottom: 48px; }

/* ---------- CARDS ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: linear-gradient(180deg, var(--navy-700), var(--navy-800));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(102, 166, 255, 0.4); }
.card-icon {
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  border-radius: 14px;
  background: rgba(26, 115, 255, 0.12);
  border: 1px solid var(--border);
  margin-bottom: 20px;
}
.card h3 { font-size: 21px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }

/* ---------- CHECKLIST ---------- */
.checklist {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.checklist li {
  position: relative;
  padding: 18px 20px 18px 52px;
  background: var(--navy-700);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-weight: 500;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 18px; top: 50%;
  transform: translateY(-50%);
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 6px;
}

/* ---------- STEPS ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.step {
  background: var(--navy-700);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.step-num {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 38px; height: 38px;
  background: var(--grad);
  color: #fff;
  font-weight: 800;
  border-radius: 10px;
  margin-bottom: 16px;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14px; }

/* ---------- PORTFÓLIO ---------- */
.project-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: stretch;
  background: var(--navy-700);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color .2s ease;
}
.project-card:hover { border-color: rgba(102, 166, 255, 0.4); }
.project-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 12px;
}
.project-info h3 { font-size: 26px; margin-bottom: 12px; }
.project-info p { color: var(--muted); margin-bottom: 24px; max-width: 520px; }
.project-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
  min-height: 180px;
  padding: 20px;
  overflow: hidden;
}
.project-preview a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  transition: transform .2s ease, opacity .2s ease;
}
.project-preview a:hover { transform: scale(1.02); opacity: 0.95; }
.project-image {
  width: 100%;
  max-width: 320px;
  height: auto;
  object-fit: contain;
  display: block;
}

/* ---------- CTA ---------- */
.cta {
  position: relative;
  text-align: center;
  padding: 100px 0;
  overflow: hidden;
  background:
    radial-gradient(700px 400px at 50% 120%, rgba(26, 115, 255, 0.25), transparent 70%),
    var(--navy-800);
}
.cta-glow {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(102, 166, 255, 0.15), transparent 60%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(28px, 4.5vw, 44px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }
.cta p { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 auto 34px; }
.contact-info {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
  text-align: left;
}
.contact-info li {
  background: rgba(102, 166, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.contact-info strong {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 8px;
}
.contact-info span,
.contact-info a { color: var(--muted); font-size: 15px; }
.contact-info a:hover { color: var(--text); }

/* ---------- FOOTER ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 36px 0; background: var(--navy-900); }
.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 8px 24px;
}
.footer-details { grid-column: 2; text-align: right; }
.footer-details p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.footer-details a:hover { color: var(--text); }
.footer-copy { grid-column: 1 / -1; color: var(--muted); font-size: 14px; margin-top: 8px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .nav { display: none; }
  .cards { grid-template-columns: 1fr; }
  .checklist { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .project-card { grid-template-columns: 1fr; }
  .contact-info { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-details { grid-column: 1; text-align: left; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 70px; }
  .section { padding: 64px 0; }
}