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

body {
  font-family: Inter, system-ui, sans-serif;
  background: #f6f8f6;
  color: #333;
}

/* HEADER */
.solar-header {
  background: #2f6f3e;
}

.solar-header-inner {
  max-width: 1200px;
  margin: auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.solar-logo {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.header-btn {
  background: #fff;
  color: #2f6f3e;
  padding: 8px 16px;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 600;
}

/* HERO */
.solar-hero {
  background: linear-gradient(rgba(0,0,0,.65), rgba(0,0,0,.65)),
    url("../images/solar-bg.jpg") center/cover no-repeat;
  padding: 120px 20px;
}

.solar-hero-card {
  max-width: 900px;
  margin: auto;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  padding: 50px 40px;
  border-radius: 26px;
  text-align: center;
  color: #fff;
}

.solar-hero-card h1 {
  font-size: 44px;
  font-weight: 800;
}

.solar-hero-card p {
  margin-top: 14px;
  font-size: 18px;
}

.trust-badges {
  margin-top: 18px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 14px;
}

/* BUTTONS */
.hero-cta {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg,#2f6f3e,#43a047);
  color: #fff;
  padding: 14px 26px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  padding: 14px 26px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
}

/* SECTIONS */
.solar-section {
  padding: 90px 20px;
  background: #fff;
  text-align: center;
}

.solar-section h2 {
  font-size: 34px;
  margin-bottom: 50px;
}

/* CARDS */
.solar-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 30px;
}

.solar-card {
  background: #fff;
  border-radius: 22px;
  padding: 35px;
  box-shadow: 0 20px 50px rgba(0,0,0,.08);
  transition: all .35s ease;
  text-align: left;
}

.solar-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(47,111,62,.25);
}

.solar-card.highlight {
  border: 3px solid #2f6f3e;
}

.solar-icon {
  width: 70px;
  height: 70px;
  background: #e8f5ec;
  color: #2f6f3e;
  border-radius: 50%;
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.solar-card h3 {
  font-size: 22px;
}

.solar-sub {
  font-size: 14px;
  color: #666;
  margin-bottom: 10px;
}

.solar-card ul {
  padding-left: 18px;
  margin-top: 10px;
}

.solar-card li {
  margin-bottom: 6px;
  font-size: 14px;
}

.solar-btn {
  display: block;
  margin-top: 22px;
  background: #2f6f3e;
  color: #fff;
  text-align: center;
  padding: 12px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
}

/* WHY */
.solar-why {
  padding: 90px 20px;
  background: #f6f8f6;
  text-align: center;
}

.solar-why h2 {
  font-size: 34px;
  margin-bottom: 40px;
}

.why-grid {
  max-width: 1100px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 20px;
}

.why-grid div {
  background: #fff;
  padding: 20px;
  border-radius: 14px;
  font-weight: 600;
}

/* CTA */
.solar-cta {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg,#e8f5ec,#ffffff);
}

/* FOOTER */
.solar-footer {
  background: #2f6f3e;
  color: #fff;
  text-align: center;
  padding: 28px;
  margin-top: 40px;
}

/* MOBILE */
@media (max-width: 768px) {
  .solar-hero-card h1 {
    font-size: 30px;
  }

  .solar-hero-card {
    padding: 35px 25px;
  }
}