/* Professional Light Mode CSS for Energy Company */
:root {
    /* Color Palette */
    --clr-bg: #f8fafc;
    --clr-bg-alt: #ffffff;
    --clr-primary: #f97316;
    --clr-primary-hover: #ea580c;
    --clr-secondary: #ffedd5;
    --clr-text: #0f172a;
    --clr-text-muted: #475569;
    --clr-border: #e2e8f0;
    
    /* Typography */
    --font-main: 'Cairo', sans-serif;
    
    /* Spacing & Layout */
    --container-max: 1200px;
    --spacing-md: 2rem;
    --spacing-lg: 5rem;
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-slow: 0.4s ease;
}

/* Base Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-main);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* Typography Extras */
.highlight { color: var(--clr-primary); }
.section-title { font-size: 2.5rem; margin-bottom: 1rem; color: var(--clr-text); font-weight: 800; }

/* Layout */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: var(--spacing-lg) 0; }
.grid { display: grid; gap: 2rem; }

/* Navbar - Transparent at top */
.navbar {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    background: transparent;
    border: none;
    transition: var(--transition-slow);
}
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--clr-border);
}
.nav-container {
    display: flex; justify-content: space-between; align-items: center; height: 80px;
}

/* Logo */
.logo { 
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 1.8rem; font-weight: 800; color: white; 
    letter-spacing: -0.5px; transition: color var(--transition-fast); 
}
.logo-img { max-height: 40px; }
.navbar.scrolled .logo { color: var(--clr-text); }

/* Nav Links Centered */
.nav-menu { flex: 1; display: flex; justify-content: center; align-items: center; }
.nav-list.center-links { display: flex; gap: 2rem; justify-content: center; }
.nav-list a { font-weight: 600; color: rgba(255,255,255,0.9); transition: var(--transition-fast); }
.nav-list a:hover { color: var(--clr-primary); }
.navbar.scrolled .nav-list a { color: var(--clr-text-muted); }
.navbar.scrolled .nav-list a:hover { color: var(--clr-primary); }

/* Language Icon Button */
.lang-icon-btn {
    background: transparent;
    color: white;
    border: none;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-main);
    cursor: pointer;
    transition: var(--transition-fast);
}
.lang-icon-btn:hover { color: var(--clr-primary); }
.navbar.scrolled .lang-icon-btn { color: var(--clr-text); }
.navbar.scrolled .lang-icon-btn:hover { color: var(--clr-primary); }

.nav-actions-desktop { width: 80px; display: flex; justify-content: flex-end; }
.desktop-only { display: block; }
.nav-actions-mobile { display: none; align-items: center; gap: 1rem; }

/* Hamburger */
.nav-toggle { display: none; background: transparent; border: none; cursor: pointer; padding: 0.5rem; }
.hamburger, .hamburger::before, .hamburger::after {
    display: block; width: 25px; height: 3px; background: white;
    transition: var(--transition-fast); position: relative; border-radius: 2px;
}
.hamburger::before, .hamburger::after { content: ''; position: absolute; border-radius: 2px; }
.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }
.navbar.scrolled .hamburger, .navbar.scrolled .hamburger::before, .navbar.scrolled .hamburger::after {
    background: var(--clr-text);
}

/* Buttons */
.btn {
    display: inline-block; padding: 0.8rem 2.5rem; border-radius: 50px;
    font-weight: 600; transition: var(--transition-fast); cursor: pointer;
    border: 2px solid transparent; text-align: center;
}
.btn-primary {
    background: var(--clr-primary); color: white;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}
.btn-primary:hover {
    background: var(--clr-primary-hover);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4); transform: translateY(-2px);
}
.btn-secondary {
    border-color: var(--clr-primary); color: var(--clr-primary);
    background: transparent;
}
.btn-secondary:hover {
    background: var(--clr-secondary); transform: translateY(-2px);
}
.btn-secondary-light {
    border-color: rgba(255,255,255,0.8); color: white;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
}
.btn-secondary-light:hover {
    background: rgba(255,255,255,0.2); transform: translateY(-2px);
    border-color: white; color: white;
}

/* Hero Section - Full Background */
.hero {
    min-height: 100vh;
    display: flex; align-items: center;
    position: relative;
    padding-top: 80px; 
    /* PRESERVED USER IMAGE */
    background-image: url("images/A1.png");
    background-size: cover;
    background-position: center;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.2) 100%);
    z-index: 1;
}
.hero-container {
    display: block;
    max-width: 800px;
    position: relative; z-index: 2;
}
.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.2;
    margin-bottom: 1.5rem; font-weight: 800; color: white;
}
.hero-title .highlight {
    color: var(--clr-primary);
}
.hero-subtitle {
    font-size: 1.25rem; color: rgba(255,255,255,0.9);
    margin-bottom: 2.5rem; max-width: 600px;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* About Section */
.about { background: var(--clr-bg-alt); }
.about-container { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-image-wrapper {
    border-radius: 20px; overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.about-img { width: 100%; height: auto; object-fit: cover; }
.about-content p { color: var(--clr-text-muted); margin-bottom: 1rem; font-size: 1.1rem; }

/* Services Section */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p { color: var(--clr-text-muted); font-size: 1.1rem; }
.services-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card {
    background: var(--clr-bg-alt);
    border: 1px solid var(--clr-border);
    border-radius: 16px; 
    transition: var(--transition-slow);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    display: flex; flex-direction: column; overflow: hidden;
}
.card-img {
    width: 100%; height: 220px; object-fit: cover;
    border-bottom: 3px solid var(--clr-primary);
}
.card-content {
    padding: 2rem;
}
.card:hover {
    border-color: var(--clr-primary);
    box-shadow: 0 15px 30px rgba(249, 115, 22, 0.1);
}
.card h3 { font-size: 1.4rem; margin-bottom: 1rem; color: var(--clr-text); font-weight: 800; }
.card p { color: var(--clr-text-muted); line-height: 1.6; }

/* Footer - Centered & Matches Page BG */
.footer {
    background: var(--clr-bg);
    color: var(--clr-text);
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--clr-border);
}
.footer-center-content {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    max-width: 800px; margin: 0 auto;
}
.footer-brand { margin-bottom: 2.5rem; }
.footer-brand h2 { font-size: 2.2rem; margin-bottom: 1rem; color: var(--clr-text); }
.footer-slogan { font-size: 1.3rem; color: var(--clr-text-muted); line-height: 1.6; }

.footer-contact-info {
    display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap; width: 100%;
}
.footer-contact-item { text-align: center; }
.footer-contact-item h4 {
    color: var(--clr-primary); font-size: 1.1rem; margin-bottom: 0.5rem;
}
.footer-contact-item p { color: var(--clr-text-muted); font-size: 1rem; }

.footer-bottom {
    text-align: center; color: #94a3b8; font-size: 0.9rem;
    border-top: 1px solid var(--clr-border); padding-top: 2rem; margin-top: 4rem;
}

/* Responsive */
@media (max-width: 900px) {
    .about-container { grid-template-columns: 1fr; }
    .hero-container { text-align: center; max-width: 100%; }
    .hero-cta { justify-content: center; }
    .about-image-wrapper { order: -1; }
}

@media (max-width: 768px) {
    .desktop-only { display: none; }
    .nav-actions-desktop { display: none; }
    .nav-actions-mobile { display: flex; }
    .nav-toggle { display: block; }
    .nav-menu {
        position: absolute; top: 100%; left: 0; width: 100%;
        background: var(--clr-bg-alt); border-bottom: 1px solid var(--clr-border);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        transform: scaleY(0); transform-origin: top; transition: var(--transition-slow);
        padding: 2rem 0;
    }
    .nav-menu.active { transform: scaleY(1); }
    .nav-list.center-links { flex-direction: column; gap: 1.5rem; width: 100%; text-align: center; }
    
    /* Mobile Menu Colors Fix */
    .nav-list a { color: var(--clr-text) !important; }
    
    .footer-contact-info { flex-direction: column; gap: 2rem; }
}