/* SF Clean Windows Club - Premium Design System */
:root {
  --primary-color: #005f73; /* Robust Teal */
  --secondary-color: #0a9396; /* Aqua */
  --accent-color: #ee9b00; /* Warm pop for CTAs */
  --dark-bg: #1e1e24;
  --light-bg: #f8f9fa;
  --text-dark: #2b2d42;
  --text-light: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.95);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
  --radius-md: 8px;
  --radius-lg: 16px;
  --font-main: 'Outfit', sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 3.5rem; color: var(--text-light); text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
h2 { font-size: 2.5rem; margin-bottom: 1rem; color: var(--primary-color); }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(238, 155, 0, 0.4);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: #fff;
}

/* Header */
header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 10;
}

.nav-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hero Section */
.hero {
  position: relative;
  height: 90vh;
  min-height: 600px;
  background:
    linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url('hero-bg.png') no-repeat center center/cover;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-text {
  color: #fff;
}

.hero-sub {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Form Card */
.lead-form-card {
  background: var(--glass-bg);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.form-header h3 {
  color: var(--primary-color);
}

.form-header p {
  color: #666;
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: #444;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: var(--radius-md);
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary-color);
}

/* Features/Services */
.features {
  padding: 5rem 0;
  background-color: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  text-align: center;
}

.feature-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--light-bg);
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
}

/* Pricing / Offer */
.pricing-banner {
  background: var(--primary-color);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.pricing-banner h2 {
  color: #fff;
}

.offer-tag {
  background: var(--accent-color);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  text-transform: uppercase;
  font-size: 0.9rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 1rem;
}

/* Footer */
footer {
  background: var(--dark-bg);
  color: #888;
  padding: 3rem 0;
  text-align: center;
}

footer p {
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  .hero-content { grid-template-columns: 1fr; }
  .lead-form-card { margin-top: 2rem; }
}