:root {
  --blue: #0b5fa5;
  --blue-dark: #073b67;
  --red: #e53935;
  --ink: #202124;
  --gray: #4a4a4a;
  --muted: #73777f;
  --line: #e6e9ee;
  --soft: #f4f6f8;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(8, 35, 63, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: 86px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(230,233,238,.8);
}
.brand img { width: 210px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 600; color: var(--gray); }
.main-nav a:hover { color: var(--blue); }
.nav-cta { color: var(--white) !important; background: var(--red); padding: 12px 18px; border-radius: 999px; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 2px; background: var(--ink); margin: 6px 0; }

.section-pad { padding: 120px 6vw; }
.hero {
  min-height: 100vh;
  padding-top: 170px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 70px;
  align-items: center;
  overflow: hidden;
}
.eyebrow { margin: 0 0 18px; color: var(--blue); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: 12px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(45px, 6.6vw, 92px); line-height: .94; letter-spacing: -.07em; margin-bottom: 24px; }
h2 { font-size: clamp(34px, 4.2vw, 62px); line-height: 1; letter-spacing: -.055em; margin-bottom: 20px; }
h3 { font-size: 20px; letter-spacing: -.02em; margin-bottom: 12px; }
.hero-text { color: var(--muted); font-size: clamp(18px, 2vw, 22px); line-height: 1.55; max-width: 640px; margin-bottom: 34px; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border-radius: 999px; font-weight: 800; border: 1px solid transparent; transition: .25s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: var(--white); box-shadow: 0 12px 28px rgba(229,57,53,.25); }
.btn-secondary { background: var(--ink); color: var(--white); }
.btn-mail { background: var(--white); border-color: var(--line); color: var(--blue); }

.hero-visual { min-height: 540px; position: relative; border-radius: 38px; background: radial-gradient(circle at 20% 15%, rgba(11,95,165,.28), transparent 32%), linear-gradient(135deg, #0b1e33, #0b5fa5 58%, #101820); box-shadow: var(--shadow); overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .65; }
.orb-one { width: 230px; height: 230px; right: -60px; top: -50px; background: rgba(255,255,255,.22); }
.orb-two { width: 170px; height: 170px; left: 50px; bottom: 54px; background: rgba(229,57,53,.35); }
.tech-card { position: absolute; left: 42px; right: 42px; bottom: 42px; padding: 26px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22); border-radius: 26px; color: white; backdrop-filter: blur(18px); }
.tech-card strong { display: block; font-size: 24px; margin-bottom: 8px; }
.tech-card p { margin: 0; color: rgba(255,255,255,.78); }
.status-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: #38e078; margin-bottom: 18px; box-shadow: 0 0 0 8px rgba(56,224,120,.13); }
.node-grid { position: absolute; inset: 80px 70px auto auto; display: grid; grid-template-columns: repeat(3, 80px); gap: 56px; }
.node-grid span { width: 14px; height: 14px; background: rgba(255,255,255,.72); border-radius: 50%; box-shadow: 0 0 0 12px rgba(255,255,255,.08); }

.trust-strip { padding: 24px 6vw; background: var(--soft); border-block: 1px solid var(--line); text-align: center; color: var(--gray); font-weight: 700; }
.trust-strip p { margin: 0; }
.section-head { max-width: 780px; margin-bottom: 54px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { min-height: 260px; padding: 34px; border: 1px solid var(--line); border-radius: 28px; background: var(--white); transition: .25s ease; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(11,95,165,.24); }
.service-card p, .process-step p, .value-panel p, .contact-card p, .site-footer p { color: var(--muted); line-height: 1.65; }
.service-icon { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 50%; background: var(--soft); color: var(--blue); font-weight: 800; margin-bottom: 30px; }

.value { background: var(--soft); }
.value-panel { max-width: 1000px; padding: 70px; border-radius: 36px; background: linear-gradient(135deg, var(--blue-dark), var(--blue)); color: white; position: relative; overflow: hidden; }
.value-panel p { max-width: 680px; color: rgba(255,255,255,.82); font-size: 18px; }
.text-link { display: inline-block; margin-top: 18px; font-weight: 800; color: white; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-step { padding: 28px; border-left: 2px solid var(--blue); background: var(--white); }
.process-step span { color: var(--red); font-weight: 900; }

.contact-card { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; padding: 64px; border-radius: 36px; background: var(--soft); border: 1px solid var(--line); }
.contact-card p { max-width: 620px; }
.contact-actions { justify-content: flex-end; max-width: 420px; }
.contact-actions .btn { width: 100%; }

.floating-whatsapp { position: fixed; right: 22px; bottom: 22px; z-index: 999; width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: white; display: grid; place-items: center; font-weight: 900; box-shadow: 0 18px 36px rgba(0,0,0,.18); }
.to-top { position: fixed; right: 22px; bottom: 92px; z-index: 998; width: 46px; height: 46px; border: 0; border-radius: 50%; background: var(--ink); color: white; font-size: 20px; cursor: pointer; opacity: 0; transform: translateY(12px); pointer-events: none; transition: .25s ease; }
.to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.site-footer { padding: 55px 6vw; border-top: 1px solid var(--line); }
.site-footer img { width: 190px; margin-bottom: 20px; }
.site-footer small { color: var(--muted); }

.reveal { opacity: 0; transform: translateY(22px); transition: .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero, .contact-card { grid-template-columns: 1fr; }
  .hero-visual { min-height: 420px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-actions { justify-content: flex-start; max-width: none; }
}
@media (max-width: 720px) {
  .site-header { height: 76px; padding: 0 20px; }
  .brand img { width: 170px; }
  .menu-toggle { display: block; }
  .main-nav { position: fixed; left: 18px; right: 18px; top: 86px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 16px; background: white; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px; }
  .section-pad { padding: 88px 20px; }
  .hero { padding-top: 120px; gap: 42px; }
  h1 { font-size: 48px; }
  .hero-actions .btn { width: 100%; }
  .service-grid, .process-grid { grid-template-columns: 1fr; }
  .value-panel, .contact-card { padding: 36px 24px; border-radius: 28px; }
  .node-grid { transform: scale(.7); transform-origin: top right; right: 20px; }
  .tech-card { left: 22px; right: 22px; bottom: 22px; }
}