/*
 Theme Name:   Neosol Premium v4
 Theme URI:    https://neosolenergy.com/
 Description:  Fully Custom Premium Theme for Neosol Energy Systems
 Author:       Antigravity AI
 Version:      1.0.3
*/

:root {
    --primary: #0b3d91;
    --secondary: #ff9900;
    --dark: #1a1a1a;
    --light: #f4f7f9;
    --white: #ffffff;
    --font-main: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-main); color: var(--dark); background: var(--light); line-height: 1.6; }

/* Navigation */
.site-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed; width: 100%; top: 0; z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 1.5rem 5%; max-width: 1400px; margin: 0 auto; }
.logo { font-size: 1.8rem; font-weight: 800; color: var(--primary); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo span { color: var(--secondary); }
.nav-menu { list-style: none; display: flex; gap: 2rem; }
.nav-menu a { text-decoration: none; color: var(--dark); font-weight: 600; transition: color 0.3s; }
.nav-menu a:hover { color: var(--secondary); }

/* Hero Section */
.hero {
    height: 100vh;
    background-size: cover;
    background-position: center;
    display: flex; align-items: center; justify-content: center;
    position: relative;
    text-align: center; color: var(--white);
    padding-top: 80px;
}
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(rgba(11, 61, 145, 0.7), rgba(0,0,0,0.6)); }
.hero-content { position: relative; z-index: 1; max-width: 900px; padding: 0 20px; }
.hero h1 { font-size: 4rem; margin-bottom: 1rem; line-height: 1.2; text-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.hero p { font-size: 1.5rem; margin-bottom: 2rem; opacity: 0.9; }
.btn { display: inline-block; padding: 1rem 2.5rem; background: var(--secondary); color: var(--white); text-decoration: none; border-radius: 50px; font-weight: bold; transition: transform 0.3s, box-shadow 0.3s; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(255, 153, 0, 0.4); }
.btn-outline { background: transparent; border: 2px solid var(--white); margin-left: 1rem; }
.btn-outline:hover { background: var(--white); color: var(--primary); box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2); }

/* Stats Row */
.stats-container { display: flex; justify-content: center; gap: 4rem; margin-top: 3rem; }
.stat-box { background: var(--white); box-shadow: 0 10px 30px rgba(0,0,0,0.1); padding: 1.5rem 3rem; border-radius: 15px; border: none; text-align: center; }
.stat-box h3 { font-size: 2.5rem; color: var(--secondary); margin-bottom: 0.5rem; }
.stat-box p { color: var(--primary); font-weight: bold; }

/* Sections */
.section { padding: 6rem 5%; max-width: 1400px; margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 4rem; font-size: 2.5rem; color: var(--primary); }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }

/* Cards */
.card {
    background: var(--white); border-radius: 20px; overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: transform 0.3s ease;
}
.card:hover { transform: translateY(-10px); }
.card-img { width: 100%; height: 250px; object-fit: cover; }
.card-content { padding: 2rem; }
.card-content h3 { color: var(--primary); margin-bottom: 1rem; font-size: 1.5rem; }

/* Footer */
.site-footer { background: var(--primary); color: var(--white); padding: 4rem 5% 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; max-width: 1400px; margin: 0 auto; }
.footer-col h4 { margin-bottom: 1.5rem; color: var(--secondary); }
.footer-bottom { text-align: center; margin-top: 4rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }

/* Mobile Responsiveness */
.mobile-menu-btn { display: none; background: none; border: none; font-size: 2rem; color: var(--primary); cursor: pointer; }
@media (max-width: 768px) {
    .nav-container { flex-wrap: wrap; }
    .mobile-menu-btn { display: block; }
    .nav-menu { display: none; flex-direction: column; width: 100%; text-align: center; padding: 2rem 0; gap: 1.5rem; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); margin-top: 1rem; border-radius: 10px; }
    .nav-menu.active { display: flex; }
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1.1rem; }
    .stats-container { flex-direction: column; gap: 1rem; transform: none; margin-top: 2rem; padding: 0 5%; }
    .grid-2, .grid-3, .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .section { padding: 4rem 5%; }
    .btn { padding: 0.8rem 1.5rem; }
    .nav-menu .btn { margin: 0 auto; }
}
