/* Base Styles - Updated Color Scheme */
:root {
    --primary-color: #1e3a8a;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    --text-color: #2d3748;
    --text-light: #6b7280;
    --bg-color: #f8fafc;
    --bg-light: #f1f5f9;
    --bg-dark: #0f172a;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.underline {
    height: 3px;
    width: 80px;
    background-color: var(--secondary-color);
    margin: 0 auto 1.5rem;
}

section {
    padding: 5rem 0;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #152b67;
    color: white;
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(248, 250, 252, 0.95);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
    font-weight: 400;
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 1.5rem;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
}

.hero-content h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* About Section */
.about {
    background-color: var(--bg-light);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-image {
    flex: 1;
}

.image-container {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.image-container::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 3px solid var(--secondary-color);
    z-index: -1;
    border-radius: 10px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.key-stats {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
}

.stat {
    text-align: center;
}

.stat .number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat .label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.personal-info {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
}

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

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Experience Section - Modern Timeline */
.experience {
    background-color: var(--bg-color);
    padding: 6rem 0;
}

.experience .section-header h2 {
    color: var(--primary-color);
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 0.5rem;
}

.experience .underline {
    background-color: var(--secondary-color);
    height: 4px;
    width: 100px;
    margin: 0 auto 4rem;
}

.modern-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.modern-timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 40px;
    opacity: 0.2;
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    padding-left: 80px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    width: 24px;
    height: 24px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    left: 29px;
    top: 5px;
    z-index: 2;
    box-shadow: 0 0 0 6px rgba(14, 165, 233, 0.2);
}

.timeline-date {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.timeline-content {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    padding: 2rem;
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
}

.timeline-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.timeline-content p {
    margin-bottom: 1.5rem;
}

.timeline-content ul {
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-content ul li {
    list-style-type: disc;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

/* Education Section - Modern Cards Design */
.education {
    background-color: var(--bg-light);
    padding: 6rem 0;
}

.education .section-header h2 {
    color: var(--primary-color);
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 0.5rem;
}

.education .underline {
    background-color: var(--secondary-color);
    height: 4px;
    width: 100px;
    margin: 0 auto 4rem;
}

.education-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.education-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.education-card.degree {
    border-top: 5px solid var(--primary-color);
}

.education-card.certification {
    border-top: 5px solid var(--secondary-color);
}

.card-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.01);
    border-bottom: 1px solid var(--border-color);
}

.edu-icon {
    font-size: 1.8rem;
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    background-color: rgba(30, 58, 138, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.education-card.certification .edu-icon {
    color: var(--secondary-color);
    background-color: rgba(14, 165, 233, 0.1);
}

.edu-year {
    font-weight: 600;
    color: var(--text-light);
    background-color: rgba(0, 0, 0, 0.05);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.card-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.education-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.institution {
    color: var(--text-light);
    font-weight: 500;
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.education-card p {
    color: var(--text-color);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--bg-color);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    height: 300px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.testimonial-slide.active {
    opacity: 1;
}

.testimonial-content {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    text-align: center;
}

.quote-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.client-info {
    margin-top: 1.5rem;
}

.client-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.rating {
    color: var(--accent-color);
    margin-top: 0.5rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.prev-btn, .next-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.prev-btn:hover, .next-btn:hover {
    background-color: var(--secondary-color);
}

.slider-dots {
    display: flex;
    justify-content: center;
    margin: 0 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    background-color: var(--border-color);
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary-color);
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 3rem;
}

.contact-info, .contact-form {
    flex: 1;
}

.contact-item {
    display: flex;
    margin-bottom: 2rem;
}

.contact-item .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1.5rem;
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item p a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.contact-item p a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

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

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    transition: var(--transition);
}

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

.social-links .fa-twitter:hover {
    color: #fff;
}

.social-links .fa-instagram:hover {
    color: #fff;
}

.social-links .fa-telegram:hover {
    color: #fff;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Montserrat', sans-serif;
    transition: var(--transition);
    background-color: var(--card-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Footer */
footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-logo h2 {
    color: white;
    margin-bottom: 1rem;
}

.footer-logo span {
    color: var(--secondary-color);
}

.footer-links h3,
.footer-services h3,
.footer-contact h3 {
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-links h3::after,
.footer-services h3::after,
.footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 0.8rem;
}

.footer-links a,
.footer-services a {
    color: #d1d5db;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-contact i {
    margin-right: 1rem;
    color: var(--secondary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.legal-links {
    display: flex;
}

.legal-links a {
    color: #d1d5db;
    margin-left: 1.5rem;
}

.legal-links a:hover {
    color: var(--secondary-color);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .education-cards-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .nav-links li {
        margin: 1.5rem 0;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .key-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .legal-links {
        margin-top: 1rem;
        justify-content: center;
    }
    
    .legal-links a {
        margin: 0 0.75rem;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .modern-timeline::before {
        left: 30px;
    }
    
    .timeline-dot {
        left: 19px;
        width: 20px;
        height: 20px;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .education-card {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .education-cards-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 576px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .modern-timeline::before {
        left: 25px;
    }
    
    .timeline-dot {
        left: 14px;
        width: 18px;
        height: 18px;
    }
    
    .timeline-content h3 {
        font-size: 1.3rem;
    }
    
    .timeline-content h4 {
        font-size: 1rem;
    }
    
    .card-header {
        padding: 1.25rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .education-card h3 {
        font-size: 1.2rem;
    }
    
    .edu-icon {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: block;
    opacity: 1;
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover,
.close-modal:focus {
    color: #333;
    text-decoration: none;
}

.modal h2 {
    margin-top: 0;
    color: #333;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.modal-body {
    line-height: 1.6;
}

.modal-body h3 {
    margin-top: 25px;
    margin-bottom: 15px;
    color: #444;
}

.modal-body p, .modal-body ul {
    margin-bottom: 15px;
    color: #555;
}

.modal-body ul {
    padding-left: 20px;
}

.modal-body li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 15px;
    }
}