:root {
  --green: #0b7a48;
  --green-dark: #075b36;
  --yellow: #f6b91a;
  --ink: #173126;
  --muted: #64756d;
  --light: #f4f9f6;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(20, 75, 50, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e4eee8;
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-icon {
  width: 45px; height: 45px; border-radius: 13px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--yellow), #ffd96d);
  font-size: 25px; box-shadow: 0 8px 20px rgba(246,185,26,.25);
}
.brand strong, .brand small { display: block; line-height: 1.1; }
.brand strong { color: var(--green-dark); font-size: 17px; }
.brand small { font-weight: 700; color: var(--yellow); letter-spacing: 2px; text-transform: uppercase; font-size: 10px; margin-top: 5px; }
.nav-links { display: flex; align-items: center; gap: 28px; font-weight: 600; }
.nav-links a:hover { color: var(--green); }
.nav-call { background: var(--green); color: white !important; padding: 11px 18px; border-radius: 10px; }
.menu-btn { display: none; border: 0; background: transparent; font-size: 27px; }

.hero {
  position: relative; overflow: hidden;
  min-height: 680px; display: grid; align-items: center;
  background: linear-gradient(125deg, #eff9f3 0%, #fff 58%, #fff8dd 100%);
}
.sun-glow {
  position: absolute; width: 400px; height: 400px; border-radius: 50%;
  right: -120px; top: -120px;
  background: radial-gradient(circle, rgba(246,185,26,.26), rgba(246,185,26,0) 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 60px; padding: 85px 0; }
.eyebrow {
  display: inline-block; color: var(--green); font-weight: 800; text-transform: uppercase;
  font-size: 12px; letter-spacing: 1.7px; margin-bottom: 10px;
}
h1 { font-size: clamp(42px, 5.7vw, 70px); line-height: 1.08; letter-spacing: -2.7px; margin: 0 0 22px; }
h1 span { color: var(--green); }
.hero-copy > p { max-width: 650px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 22px; border: 0; border-radius: 12px;
  font: inherit; font-weight: 800; cursor: pointer; transition: .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.primary { background: var(--green); color: white; box-shadow: 0 10px 25px rgba(11,122,72,.22); }
.whatsapp { background: #25d366; color: white; }
.light { background: white; color: var(--green-dark); }
.full { width: 100%; }
.trust-row { display: flex; gap: 34px; margin-top: 38px; flex-wrap: wrap; }
.trust-row div { display: flex; flex-direction: column; }
.trust-row strong { font-size: 22px; color: var(--green-dark); }
.trust-row span { font-size: 12px; color: var(--muted); }

.solar-card {
  min-height: 430px; position: relative; border-radius: 34px;
  background: linear-gradient(#bde7ff 0 58%, #87be69 58% 100%);
  box-shadow: var(--shadow); overflow: hidden; border: 8px solid white;
}
.sun { position: absolute; right: 38px; top: 30px; font-size: 68px; filter: drop-shadow(0 7px 12px rgba(255,190,20,.25)); }
.panel {
  position: absolute; width: 70%; height: 185px; left: 15%; bottom: 96px;
  transform: perspective(600px) rotateX(12deg) rotateZ(-2deg);
  background: #0b4771; border: 8px solid #e7f0f4; display: grid;
  grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(3, 1fr);
  gap: 3px; box-shadow: 0 18px 30px rgba(0,0,0,.22);
}
.panel span { border: 1px solid rgba(255,255,255,.65); background: linear-gradient(135deg, #12649b, #082f55); }
.ground { position: absolute; width: 14px; height: 90px; background: #526d5b; left: 49%; bottom: 35px; }
.service-badge {
  position: absolute; left: 24px; top: 25px; background: rgba(255,255,255,.9);
  padding: 10px 14px; border-radius: 10px; font-weight: 800; color: var(--green-dark); font-size: 13px;
}
.section { padding: 95px 0; }
.section-heading { max-width: 680px; margin: 0 auto 45px; text-align: center; }
h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.15; letter-spacing: -1.4px; margin: 0 0 16px; }
.section-heading p, .about p, .contact p { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  border: 1px solid #e3ece7; border-radius: 22px; padding: 32px;
  background: white; box-shadow: 0 10px 30px rgba(20,75,50,.06); transition: .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card.featured { border-top: 5px solid var(--yellow); }
.card .icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 16px; background: var(--light); font-size: 28px; }
.card h3 { font-size: 22px; margin: 20px 0 10px; }
.card p { color: var(--muted); }
.card a { color: var(--green); font-weight: 800; }
.about { background: var(--light); }
.about-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 70px; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 25px 0 0; }
.check-list li { position: relative; padding: 9px 0 9px 30px; font-weight: 600; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }
.about-box { background: white; border-radius: 24px; padding: 35px; box-shadow: var(--shadow); }
.about-box h3 { margin-top: 0; font-size: 25px; }
.why-item { display: flex; gap: 14px; margin: 22px 0; }
.why-item > span { flex: 0 0 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: #dff5e9; color: var(--green); font-weight: 900; }
.why-item p { margin: 2px 0 0; font-size: 14px; }
.cta { background: linear-gradient(120deg, var(--green-dark), var(--green)); color: white; padding: 54px 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 25px; }
.cta h2 { margin-bottom: 6px; font-size: 34px; }
.cta p { margin: 0; opacity: .85; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 65px; }
.contact-list { margin-top: 28px; display: grid; gap: 14px; }
.contact-list > * { display: flex; gap: 14px; align-items: center; padding: 14px; background: var(--light); border-radius: 12px; }
.contact-list > * > span { font-size: 23px; }
.contact-list small, .contact-list strong { display: block; }
.contact-list small { color: var(--muted); }
.contact-form { background: white; padding: 30px; border-radius: 22px; border: 1px solid #e3ece7; box-shadow: var(--shadow); }
.contact-form label { display: block; font-weight: 700; margin-bottom: 15px; }
input, select, textarea {
  width: 100%; padding: 13px 14px; margin-top: 7px; border-radius: 10px; border: 1px solid #ccd9d1;
  font: inherit; outline: none; background: white;
}
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(11,122,72,.1); }
footer { background: #102c20; color: white; padding: 33px 0; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
footer p { margin: 4px 0; color: #b9cec2; font-size: 13px; }
.floating-wa {
  position: fixed; z-index: 80; right: 20px; bottom: 20px; width: 58px; height: 58px;
  border-radius: 50%; display: grid; place-items: center; background: #25d366; font-size: 27px;
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
}
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav-links {
    position: absolute; top: 76px; left: 18px; right: 18px; background: white; border: 1px solid #e4eee8;
    border-radius: 14px; box-shadow: var(--shadow); padding: 18px; display: none; flex-direction: column; align-items: stretch; gap: 8px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 9px; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-grid { padding: 65px 0; gap: 42px; }
  .solar-card { min-height: 350px; }
  .cards { grid-template-columns: 1fr; }
  .cta-inner, .footer-grid { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .container { width: min(100% - 24px, 1120px); }
  .hero-grid { padding-top: 48px; }
  h1 { font-size: 39px; letter-spacing: -1.5px; }
  .hero-actions .btn { width: 100%; }
  .trust-row { gap: 20px; justify-content: space-between; }
  .section { padding: 72px 0; }
  .solar-card { min-height: 290px; }
  .panel { height: 130px; bottom: 65px; }
  .ground { height: 60px; bottom: 15px; }
  .contact-form, .about-box, .card { padding: 24px; }
}