/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --primary-dark: #1a252f;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #2c3e50;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #2c3e50, #3498db);
    --gradient-2: linear-gradient(135deg, #3498db, #2c3e50);
    --transition: all 0.3s ease;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    background: var(--light-bg);
}

/* Performance Optimizations */
img {
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* Header and Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 5%;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.logo h1 {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-top: 2px;
    text-transform: uppercase;
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-1);
    transition: var(--transition);
}

.logo h1:hover::after {
    width: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--primary-color);
    z-index: 1001;
}

.mobile-menu.active i {
    transform: rotate(90deg);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 1rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(46, 204, 113, 0.3), rgba(52, 152, 219, 0.3));
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    color: var(--white);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 1px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    color: var(--white);
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-1);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.cta-button:hover::before {
    transform: translateX(100%);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

/* Services Section */
.services {
    padding: 5rem 5%;
    background: var(--white);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
    position: relative;
    display: inline-block;
}

.services h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(44, 62, 80, 0.1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover i {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.service-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.service-card p {
    color: var(--text-color);
    position: relative;
    z-index: 2;
}

/* Projects Section */
.projects {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.projects h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
    position: relative;
    display: inline-block;
}

.projects h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-2);
    border-radius: 2px;
}

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

.project-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-card h3 {
    position: absolute;
    bottom: 40px;
    left: 20px;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.project-card p {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover h3,
.project-card:hover p {
    transform: translateY(0);
    opacity: 1;
}

/* About Section */
.about {
    padding: 5rem 5%;
    background: var(--white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    position: relative;
    display: inline-block;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border: 1px solid rgba(46, 204, 113, 0.1);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.15);
}

.stat-item h3 {
    font-size: 2.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
    position: relative;
    display: inline-block;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-2);
    border-radius: 2px;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border: 1px solid rgba(46, 204, 113, 0.1);
}

.info-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.15);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(44, 62, 80, 0.1);
    border-radius: 8px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.submit-button {
    background: var(--gradient-1);
    color: var(--white);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* Footer */
footer {
    background: var(--text-color);
    color: var(--white);
    padding: 3rem 5% 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    color: var(--primary-color);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-1);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
    transition: var(--transition);
    color: var(--white);
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.5s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        padding: 1rem;
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu {
        display: block;
        padding: 0.5rem;
    }

    .nav-links a {
        font-size: 1.1rem;
        margin: 0.8rem 0;
        width: 100%;
        text-align: center;
        padding: 0.8rem;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .nav-links a:hover {
        background: rgba(44, 62, 80, 0.1);
    }

    .hero {
        height: 100vh;
        background-attachment: scroll;
        background-position: center;
        padding: 0 1rem;
        min-height: 600px;
    }

    .hero-content {
        padding: 0 1rem;
        width: 100%;
        max-width: 100%;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-content p {
        font-size: 1.1rem;
        line-height: 1.5;
        margin-bottom: 2rem;
        padding: 0 1rem;
    }

    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
        width: auto;
        min-width: 200px;
        margin: 0 auto;
    }

    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        padding: 2rem 1rem;
    }

    .footer-section {
        margin-bottom: 2rem;
    }

    .social-links a {
        font-size: 1.2rem;
        margin: 0 0.5rem;
    }
}

/* Additional Mobile Optimizations */
@media (max-width: 480px) {
    .hero {
        min-height: 500px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
        padding: 0 0.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-item {
        width: 100%;
    }

    .contact-container {
        flex-direction: column;
        gap: 2rem;
    }

    .contact-info {
        width: 100%;
    }

    .contact-form {
        width: 100%;
    }

    .notification {
        width: 90%;
        left: 5%;
        right: 5%;
        text-align: center;
    }
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading::after {
    content: '';
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 2rem;
    border-radius: 8px;
    color: var(--white);
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease;
    box-shadow: var(--box-shadow);
}

.notification.success {
    background: var(--gradient-1);
}

.notification.error {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

/* Form Validation Styles */
.contact-form input:invalid,
.contact-form textarea:invalid {
    border-color: #e74c3c;
}

.contact-form input:valid,
.contact-form textarea:valid {
    border-color: #2ecc71;
}

/* Loading State Styles */
.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Responsive Form Styles */
@media (max-width: 768px) {
    .contact-form {
        padding: 1rem;
    }
    
    .contact-form input,
    .contact-form textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}