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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
}

.logo-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* ==================== Hero Section ==================== */
.hero {
    margin-top: 60px;
    height: calc(100vh - 60px);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    color: #fff;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)" /></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
    max-width: 600px;
}

.cta-button {
    padding: 12px 40px;
    font-size: 1rem;
    background-color: #fff;
    color: #667eea;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ==================== About Section ==================== */
.about {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.subtitle {
    color: #667eea;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #555;
    text-align: justify;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-item h4 {
    color: #667eea;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.feature-item p {
    color: #777;
    margin: 0;
}

/* ==================== Stats Section ==================== */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

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

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* ==================== Services Section ==================== */
.services {
    padding: 80px 0;
    background-color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:hover {
    background: #fff;
    border-color: #667eea;
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.2);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* ==================== Testimonials Section ==================== */
.testimonials {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    color: #555;
    font-style: italic;
    line-height: 1.8;
    position: relative;
    padding-left: 1.5rem;
}

.testimonial-content p::before {
    content: '"';
    position: absolute;
    left: 0;
    font-size: 2rem;
    color: #667eea;
    opacity: 0.5;
}

.testimonial-author h4 {
    color: #2c3e50;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.testimonial-author p {
    color: #667eea;
    font-size: 0.9rem;
    margin: 0;
}

/* ==================== CTA Section ==================== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button-large {
    padding: 15px 50px;
    font-size: 1.1rem;
    background-color: #fff;
    color: #667eea;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ==================== Contact Section ==================== */
.contact {
    padding: 80px 0;
    background-color: #fff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 3rem;
}

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

.info-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.info-item h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.info-item p {
    color: #666;
    line-height: 1.8;
}

.info-item a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.info-item a:hover {
    color: #764ba2;
    text-decoration: underline;
}

.contact-form {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 12px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

/* ==================== Footer ==================== */
.footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-col p {
    color: #bbb;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

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

.footer-col ul li {
    margin-bottom: 0.7rem;
}

.footer-col a {
    color: #bbb;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-col a:hover {
    color: #667eea;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #999;
}

/* ==================== Animations ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== Media Queries ==================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: #2c3e50;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        gap: 0;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        display: block;
        padding: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-8px, 8px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-8px, -8px);
    }

    .hero {
        margin-top: 50px;
        height: calc(100vh - 50px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .stat-item h3 {
        font-size: 2rem;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .cta-section h2 {
        font-size: 1.8rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 0.9rem;
    }

    .nav-container {
        padding: 0.8rem 15px;
    }

    .logo {
        font-size: 1.3rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.8rem;
    }

    .about-content p {
        font-size: 0.95rem;
        text-align: left;
    }

    .stat-item h3 {
        font-size: 1.8rem;
    }

    .stat-item p {
        font-size: 0.9rem;
    }

    .cta-button,
    .cta-button-large {
        padding: 10px 25px;
        font-size: 0.9rem;
    }

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

    .contact-form {
        padding: 1.2rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 16px;
    }

    .submit-btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
}

/* ==================== Scroll Animation ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}