:root {
  --primary: #16a34a;
  --primary-hover: #15803d;
  --primary-dark: #14532d;
  --secondary: #0284c7;
  --secondary-hover: #0369a1;
  --dark: #0f172a;
  --slate: #334155;
  --light-slate: #64748b;
  --light-bg: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

body {
  font-family: var(--font-main);
  color: var(--slate);
  background-color: var(--light-bg);
  line-height: 1.6;
  font-size: 16px;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--secondary-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Top bar */
.top-bar {
  background-color: var(--dark);
  color: var(--white);
  padding: 8px 0;
  font-size: 14px;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.top-info {
  display: flex;
  gap: 20px;
  align-items: center;
}
.top-info a {
  color: var(--white);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav */
header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}
.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo span {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}
.nav-menu a {
  color: var(--dark);
  font-weight: 600;
  font-size: 15px;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--dark);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}
.btn-primary {
  background-color: var(--primary);
  color: var(--white) !important;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn-secondary {
  background-color: var(--secondary);
  color: var(--white) !important;
}
.btn-secondary:hover {
  background-color: var(--secondary-hover);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary) !important;
}
.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white) !important;
}
.btn-phone {
  background-color: #eab308;
  color: var(--dark) !important;
  font-weight: 800;
}
.btn-phone:hover {
  background-color: #ca8a04;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(15,23,42,0.85) 0%, rgba(22,163,74,0.75) 100%), url('../assets/images/hero.jpg') center/cover no-repeat;
  color: var(--white);
  padding: 90px 0 80px;
  text-align: left;
}
.hero-content {
  max-width: 750px;
}
.hero-badge {
  display: inline-block;
  background-color: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero h1 {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero p {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.95;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Features Bar */
.features-bar {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  margin-top: -30px;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-lg);
  padding: 25px 30px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 15px;
}
.feature-icon {
  width: 48px;
  height: 48px;
  background-color: #dcfce7;
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  flex-shrink: 0;
}
.feature-text h4 {
  font-size: 16px;
  color: var(--dark);
}
.feature-text p {
  font-size: 13px;
  color: var(--light-slate);
}

/* Section styling */
.section {
  padding: 70px 0;
}
.section-title {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}
.section-title h2 {
  font-size: 32px;
  color: var(--dark);
  font-weight: 800;
  margin-bottom: 12px;
}
.section-title p {
  font-size: 16px;
  color: var(--light-slate);
}

/* Services Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.service-img {
  height: 220px;
  object-fit: cover;
  width: 100%;
}
.service-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.service-body h3 {
  font-size: 20px;
  color: var(--dark);
  margin-bottom: 10px;
}
.service-body p {
  font-size: 14px;
  color: var(--slate);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Content grid (About / Specs) */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.benefits-list {
  list-style: none;
  margin: 20px 0;
}
.benefits-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-weight: 600;
}
.benefits-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 900;
}

/* Quote Form */
.quote-box {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 35px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22,163,74,0.15);
}

/* Footer */
footer {
  background-color: var(--dark);
  color: #94a3b8;
  padding: 60px 0 20px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: var(--white);
  font-size: 18px;
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #94a3b8;
}
.footer-links a:hover {
  color: var(--white);
}
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

/* Mobile Breakpoints */
@media (max-width: 992px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 32px;
  }
}
@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav-menu.show {
    display: flex;
  }
  .top-bar {
    text-align: center;
  }
  .top-info {
    justify-content: center;
    width: 100%;
  }
}