:root {
  --white: #ffffff;
  --soft: #f7f9fc;
  --dark: #111827;
  --muted: #5b6472;
  --line: #e6eaf0;
  --red: #d71920;
  --blue: #102a63;
  --yellow: #ffc933;
  --green: #22c55e;
  --shadow: 0 24px 70px rgba(16, 42, 99, .14);
  --radius: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Montserrat', Arial, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 34px)); margin: 0 auto; }
.section-pad { padding: 90px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.navbar {
  width: min(1180px, calc(100% - 30px));
  margin: auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
  width: 48px; height: 48px; border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--red));
  color: white; font-size: 25px;
  box-shadow: 0 15px 25px rgba(215,25,32,.18);
}
.brand strong { display: block; font-size: 1.05rem; font-weight: 900; }
.brand small { display: block; color: var(--muted); font-weight: 600; font-size: .78rem; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 11px 14px;
  border-radius: 999px;
  font-weight: 700;
  color: var(--muted);
  transition: .25s ease;
}
.nav-links a:hover { background: var(--soft); color: var(--blue); }
.nav-links .nav-cta { background: var(--green); color: white; box-shadow: 0 12px 24px rgba(34,197,94,.2); }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; }
.menu-toggle span { display: block; width: 28px; height: 3px; background: var(--dark); margin: 5px 0; border-radius: 99px; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 690px;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 10% 20%, rgba(255,201,51,.22), transparent 24%),
    radial-gradient(circle at 90% 10%, rgba(215,25,32,.10), transparent 30%),
    linear-gradient(180deg, #fff, #f8fbff);
}
.hero-bg-shape {
  position: absolute;
  border-radius: 999px;
  filter: blur(0px);
  opacity: .75;
}
.shape-one { width: 210px; height: 210px; background: rgba(255,201,51,.2); left: -60px; bottom: 80px; }
.shape-two { width: 280px; height: 280px; background: rgba(16,42,99,.08); right: -80px; top: 120px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; align-items: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--red);
  letter-spacing: .08em;
  font-size: .78rem;
  margin-bottom: 14px;
}
.eyebrow::before { content: ''; width: 28px; height: 4px; border-radius: 99px; background: var(--yellow); }
.eyebrow.light { color: white; }
.hero h1 {
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: .92;
  letter-spacing: -0.07em;
  color: var(--blue);
  font-weight: 900;
  margin-bottom: 20px;
}
.hero-subtitle { font-size: clamp(1.25rem, 2vw, 1.8rem); color: var(--dark); font-weight: 700; margin-bottom: 14px; }
.hero-text { color: var(--muted); max-width: 610px; font-size: 1.04rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  border: 0;
  padding: 15px 22px;
  border-radius: 999px;
  font-weight: 900;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: var(--green); color: white; box-shadow: 0 14px 28px rgba(34,197,94,.25); }
.btn-secondary { background: white; color: var(--blue); border: 1px solid var(--line); box-shadow: 0 12px 25px rgba(16,42,99,.08); }
.btn-dark { background: var(--blue); color: white; }
.btn-light { background: white; color: var(--blue); }
.full { width: 100%; }

.battery-card {
  position: relative;
  max-width: 440px;
  width: 100%;
  margin: 0 auto;
  border-radius: 34px;
  background: linear-gradient(135deg, var(--blue), #07132d);
  color: white;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 8px solid white;
}
.battery-card::before {
  content: '';
  position: absolute;
  inset: 20px;
  border: 2px dashed rgba(255,255,255,.22);
  border-radius: 24px;
  pointer-events: none;
}
.battery-top, .battery-footer { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 2; }
.battery-top span:first-child {
  background: var(--yellow);
  color: var(--dark);
  font-weight: 900;
  padding: 10px 16px;
  border-radius: 14px;
}
.battery-top span:last-child { font-size: 2.2rem; }
.battery-body { min-height: 270px; display: grid; place-items: center; text-align: center; position: relative; z-index: 2; }
.battery-body h2 { font-size: 2.2rem; font-weight: 900; margin-top: 20px; }
.battery-body p { color: rgba(255,255,255,.74); font-weight: 700; }
.terminal { position: absolute; top: 48px; width: 55px; height: 24px; border-radius: 8px 8px 0 0; background: var(--yellow); }
.terminal-left { left: 55px; }
.terminal-right { right: 55px; background: var(--red); }
.charge-lines { display: flex; gap: 10px; }
.charge-lines span { width: 40px; height: 115px; border-radius: 10px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); }
.charge-lines span:nth-child(1), .charge-lines span:nth-child(2), .charge-lines span:nth-child(3) { background: linear-gradient(180deg, var(--yellow), #f99b1d); }
.battery-footer { border-top: 1px solid rgba(255,255,255,.16); padding-top: 18px; font-size: .9rem; }
.battery-footer strong { color: var(--yellow); }

.info-strip { padding: 28px 0; background: var(--blue); color: white; }
.strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.strip-item { display: flex; gap: 14px; align-items: center; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 18px; }
.strip-item span { font-size: 1.9rem; }
.strip-item strong { display: block; font-size: .78rem; text-transform: uppercase; color: var(--yellow); letter-spacing: .08em; }

.section-heading { text-align: center; max-width: 780px; margin: 0 auto 44px; }
.section-heading h2, .contact-copy h2, .highlight h2 { font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.05; letter-spacing: -0.04em; color: var(--blue); font-weight: 900; margin-bottom: 14px; }
.section-heading p, .contact-copy p { color: var(--muted); }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { background: white; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: 0 18px 40px rgba(17,24,39,.06); transition: .25s ease; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.card-icon { width: 66px; height: 66px; border-radius: 20px; display: grid; place-items: center; background: var(--soft); font-size: 2rem; margin-bottom: 22px; }
.service-card h3 { font-size: 1.25rem; color: var(--blue); margin-bottom: 10px; }
.service-card p { color: var(--muted); }

.highlight { background: linear-gradient(135deg, var(--blue), #07132d); color: white; position: relative; overflow: hidden; }
.highlight::after { content: ''; position: absolute; width: 320px; height: 320px; border-radius: 50%; background: rgba(255,201,51,.16); right: -80px; top: -80px; }
.highlight-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr .8fr; gap: 36px; align-items: center; }
.highlight h2 { color: white; }
.highlight p { color: rgba(255,255,255,.78); max-width: 600px; margin-bottom: 26px; }
.zone-panel { min-height: 310px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 34px; display: grid; place-items: center; text-align: center; padding: 36px; position: relative; }
.zone-panel h3 { font-size: 2.2rem; color: var(--yellow); }
.zone-panel p { margin: 0; }
.zone-panel strong { font-size: 1.1rem; }
.pulse-dot { width: 88px; height: 88px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 18px rgba(255,201,51,.14), 0 0 0 36px rgba(255,201,51,.07); margin-bottom: 20px; }

.contact-section { background: var(--soft); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; }
.contact-card { background: white; border-radius: 30px; padding: 28px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.contact-row { display: flex; justify-content: space-between; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-row span { color: var(--muted); font-weight: 700; }
.contact-row strong { color: var(--blue); text-align: right; }
.contact-buttons { display: grid; gap: 12px; margin-top: 22px; }

.floating-whatsapp { position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 58px; height: 58px; border-radius: 50%; background: var(--green); color: white; display: grid; place-items: center; font-size: 1.7rem; box-shadow: 0 16px 30px rgba(34,197,94,.35); }
.footer { background: #081023; color: white; padding: 42px 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 24px; }
.footer h2 { color: var(--yellow); }
.footer p { color: rgba(255,255,255,.72); }
.footer strong { display: block; color: var(--yellow); margin-bottom: 8px; }
.footer a { color: white; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }

@media (max-width: 850px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 78px;
    display: none;
    flex-direction: column;
    background: white;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; text-align: center; }
  .hero-grid, .highlight-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .battery-card { max-width: 390px; }
  .strip-grid, .cards-grid, .footer-grid { grid-template-columns: 1fr; }
  .section-pad { padding: 66px 0; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 3.6rem; }
  .hero-actions .btn { width: 100%; }
  .battery-body h2 { font-size: 1.8rem; }
  .charge-lines span { width: 32px; height: 92px; }
  .contact-row { flex-direction: column; gap: 4px; }
  .contact-row strong { text-align: left; }
}