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

:root {
    --primary-blue: #2563eb;
    --secondary-blue: #1e40af;
    --accent-blue: #3b82f6;
    --light-blue: #dbeafe;
    --dark-blue: #1e3a8a;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    padding-top: 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: var(--white);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(37, 99, 235, 0.8), rgba(30, 58, 138, 0.9)), url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: grain 8s steps(10) infinite;
}

@keyframes grain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -5%); }
    20% { transform: translate(-10%, 5%); }
    30% { transform: translate(5%, -10%); }
    40% { transform: translate(-5%, 15%); }
    50% { transform: translate(-10%, 5%); }
    60% { transform: translate(15%, 0); }
    70% { transform: translate(0, 10%); }
    80% { transform: translate(-15%, 0); }
    90% { transform: translate(10%, 5%); }
}

.hero-content {
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, var(--white), #93c5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.8rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.cta-button {
    padding: 1rem 2.5rem;
    background: var(--accent-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cta-button:hover {
    background: transparent;
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid var(--white);
}

.cta-button.secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 0; transform: translate(-50%, 0); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translate(-50%, 20px); }
}

/* Service Plans */
.service-plans {
    padding: 6rem 2rem;
    background: var(--white);
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--dark-blue);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: 2px;
}

.plans-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.plan-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-blue) 100%);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.plan-card:hover::before {
    left: 100%;
}

.plan-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.plan-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.plan-card h3 {
    color: var(--dark-blue);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.plan-card p {
    color: var(--text-light);
    font-style: italic;
    font-size: 1.1rem;
}

/* Sustainability */
.sustainability {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    text-align: center;
}

.sustain-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.sustain-content h3 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 3rem;
}

.energy-icons {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.energy-icon {
    font-size: 4rem;
    animation: float 3s ease-in-out infinite;
}

.energy-icon:nth-child(2) { animation-delay: 0.5s; }
.energy-icon:nth-child(3) { animation-delay: 1s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Detailed Services */
.detailed-services {
    padding: 6rem 2rem;
    background: var(--white);
}

.service-detail {
    background: linear-gradient(135deg, var(--white) 0%, #f0f9ff 100%);
    padding: 2.5rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    border-left: 4px solid var(--accent-blue);
    transition: all 0.3s ease;
}

.service-detail:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.service-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.service-text h3 {
    color: var(--dark-blue);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-text p {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* Pricing */
.pricing {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    text-align: center;
}

.pricing > p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.price {
    font-size: 5rem;
    font-weight: bold;
    color: var(--primary-blue);
    margin: 2rem 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.included-services {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    margin: 3rem auto;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.included-services h3 {
    color: var(--dark-blue);
    margin-bottom: 2rem;
}

.included-services ul {
    list-style: none;
    text-align: left;
}

.included-services li {
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
    position: relative;
    padding-left: 2rem;
}

.included-services li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.included-services li:last-child {
    border-bottom: none;
}

.discount-badge {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: var(--white);
    padding: 1.5rem 3rem;
    border-radius: 50px;
    display: inline-block;
    margin: 2rem 0;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.extra-charges {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    margin-top: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.extra-charges h4 {
    color: #ef4444;
    margin-bottom: 2rem;
    font-size: 1.3rem;
}

.extra-charges ul {
    list-style: disc;
    padding-left: 2rem;
    text-align: left;
}

.extra-charges li {
    padding: 0.7rem 0;
    color: var(--text-light);
}

/* Other Services */
.other-services {
    padding: 6rem 2rem;
    background: var(--white);
}

.services-list {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--white) 0%, #f0f9ff 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.services-list ul {
    columns: 2;
    column-gap: 3rem;
    list-style: none;
}

.services-list li {
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
    break-inside: avoid;
    position: relative;
    padding-left: 2rem;
    transition: all 0.3s ease;
}

.services-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.services-list li:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

/* Contact Footer */
footer {
    background: linear-gradient(135deg, var(--dark-blue) 0%, #1e3a8a 100%);
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.contact-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-info p {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .plans-container {
        grid-template-columns: 1fr;
    }
    
    .services-list ul {
        columns: 1;
    }
    
    nav {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    body {
        padding-top: 120px;
    }
    
    .service-detail {
        flex-direction: column;
        text-align: center;
    }
    
    .energy-icons {
        flex-direction: column;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .price {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Animation classes */
.animate__animated {
    opacity: 0;
}

.animate__fadeInUp {
    animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.contact-link {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

/* لجعلها متجاوبة على الموبايل */
@media (max-width: 768px) {
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-link {
        justify-content: center;
    }
}