:root {
  --bg: #081117;
  --bg-2: #0f2029;
  --surface: #ffffff;
  --soft: #f5f7f8;
  --text: #182127;
  --muted: #63717a;
  --line: #e4e9ec;
  --orange: #f58200;
  --orange-2: #ff9d2e;
  --green: #1dbf73;
  --cyan: #22d3ee;
  --shadow: 0 18px 50px rgba(8, 17, 23, .12);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, calc(100% - 36px)); margin: 0 auto; }
.section { padding: 78px 0; }
.section-dark {
  color: #fff;
  background:
    radial-gradient(circle at 15% 20%, rgba(245,130,0,.25), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(34,211,238,.17), transparent 28%),
    linear-gradient(135deg, #071016 0%, #102735 55%, #081117 100%);
}
.soft { background: var(--soft); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 17, 23, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { padding: 12px 0; }
.brand img { width: 205px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav a { color: rgba(255,255,255,.88); font-size: 15px; font-weight: 700; }
.main-nav a:hover { color: var(--orange-2); }
.menu-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,.22);
  background: transparent;
  color: #fff;
  border-radius: 12px;
  font-size: 26px;
  padding: 6px 12px;
}

.hero { padding: 105px 0 88px; overflow: hidden; position: relative; }
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -36% -10%;
  height: 320px;
  background: linear-gradient(90deg, transparent, rgba(245,130,0,.14), transparent);
  transform: rotate(-3deg);
}
.hero-grid,
.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}
.hero-copy { position: relative; z-index: 1; }
.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow.orange { color: var(--orange); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 18px; }
h1 { font-size: clamp(34px, 5vw, 58px); letter-spacing: -1.8px; }
h2 { font-size: clamp(28px, 3.8vw, 42px); letter-spacing: -1px; }
h3 { font-size: 20px; }
p { margin: 0 0 18px; color: var(--muted); }
.section-dark p { color: rgba(255,255,255,.78); }
.hero p { font-size: 19px; max-width: 680px; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #0b1115;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  box-shadow: 0 12px 28px rgba(245,130,0,.30);
}
.btn-outline { color: #fff; border: 1px solid rgba(255,255,255,.28); }
.btn-outline:hover { border-color: var(--orange-2); }

.hero-panel {
  position: relative;
  z-index: 1;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  background: rgba(255,255,255,.07);
  box-shadow: 0 30px 80px rgba(0,0,0,.26);
}
.signal-card {
  border-radius: 20px;
  background: rgba(255,255,255,.10);
  padding: 22px;
  border: 1px solid rgba(255,255,255,.12);
}
.signal-card strong { display: block; font-size: 22px; margin-bottom: 8px; }
.dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 8px;
  background: var(--green);
  box-shadow: 0 0 0 8px rgba(29,191,115,.13);
}
.metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 16px; }
.metric-grid div {
  padding: 18px;
  border-radius: 18px;
  background: rgba(0,0,0,.20);
  border: 1px solid rgba(255,255,255,.11);
}
.metric-grid strong { display: block; color: var(--orange-2); font-size: 22px; }
.metric-grid span { color: rgba(255,255,255,.76); font-size: 14px; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 38px; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-list article,
.card,
.tech-box,
.problem-box,
.cta-box {
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.feature-list article { padding: 24px; }
.feature-list p, .card p { margin-bottom: 0; }
.cards { display: grid; gap: 20px; }
.six-cards { grid-template-columns: repeat(3, 1fr); }
.card { padding: 26px; }
.card h3::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  border-radius: 999px;
  background: var(--orange);
  margin-bottom: 16px;
}
.center-action { text-align: center; margin-top: 30px; }

.reverse { grid-template-columns: .95fr 1.05fr; }
.tech-box { padding: 28px; }
.check-list,
.benefit-grid { padding: 0; margin: 0; list-style: none; }
.check-list li,
.benefit-grid li {
  position: relative;
  padding-left: 28px;
  margin: 10px 0;
  color: var(--text);
}
.check-list li::before,
.benefit-grid li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 900;
}
.two-cols { columns: 2; column-gap: 34px; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.services-gallery { grid-template-columns: repeat(5, 1fr); }
.gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.gallery img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform .35s ease;
}
.services-gallery img { height: 180px; }
.gallery figure:hover img { transform: scale(1.04); }
.gallery figcaption { padding: 14px 16px 16px; font-weight: 800; color: var(--text); }
.solar-gallery figure { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); }
.solar-gallery figcaption { color: #fff; }
.compact { grid-template-columns: 1fr; }
.compact img { height: 170px; }

.problem-box {
  padding: 34px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 28px;
  max-width: 920px;
  margin: 0 auto;
}
.cta { background: linear-gradient(135deg, #fff 0%, #fff8ef 100%); }
.cta-box { text-align: center; padding: 46px; }
.cta-box p { max-width: 720px; margin-left: auto; margin-right: auto; }

.site-footer {
  padding: 44px 0;
  color: rgba(255,255,255,.80);
  background: #070d12;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 34px; }
.footer-logo { width: 190px; margin-bottom: 12px; }
.site-footer p { color: rgba(255,255,255,.72); }
.site-footer h3 { color: #fff; font-size: 17px; margin-bottom: 12px; }
.site-footer a { display: block; margin-bottom: 8px; color: rgba(255,255,255,.78); }
.site-footer a:hover { color: var(--orange-2); }

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: #25d366;
  box-shadow: 0 12px 30px rgba(37,211,102,.40);
  animation: pulse 2.2s infinite;
  font-size: 28px;
  font-weight: 900;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.45); }
  70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

@media (max-width: 980px) {
  .hero-grid, .split, .reverse, .problem-box { grid-template-columns: 1fr; }
  .six-cards { grid-template-columns: repeat(2, 1fr); }
  .services-gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .compact { grid-template-columns: repeat(3, 1fr); }
  .problem-box .btn { justify-self: start; }
}
@media (max-width: 760px) {
  .header-inner { min-height: 78px; }
  .brand img { width: 168px; }
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    left: 18px;
    right: 18px;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 14px;
    border-radius: 18px;
    background: #0b141b;
    border: 1px solid rgba(255,255,255,.12);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { width: 100%; padding: 12px 8px; }
  .section { padding: 58px 0; }
  .hero { padding: 72px 0 62px; }
  h1 { letter-spacing: -1px; }
  .hero p { font-size: 17px; }
  .actions, .btn { width: 100%; }
  .metric-grid, .feature-list, .six-cards, .benefit-grid, .footer-grid, .gallery, .services-gallery, .compact { grid-template-columns: 1fr; }
  .two-cols { columns: 1; }
  .cta-box { padding: 30px 22px; }
  .gallery img, .services-gallery img, .compact img { height: 230px; }
}