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

:root {
    --primary-color: #00bcd4;
    --secondary-color: #00acc1;
    --dark-color: #1C2334;
    --light-color: #2a3447;
    --gray-color: #8892a6;
    --white-color: #ffffff;
    --gradient: linear-gradient(135deg, #00bcd4 0%, #0097a7 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--dark-color);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white-color);
}

.logo img {
    height: 65px;
    width: auto;
    object-fit: contain;
}

.logo i {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 110vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 150px 20px 80px;
    background: var(--dark-color);
    color: var(--white-color);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.btn {
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

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

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

.hero-stats {
    display: flex;
    gap: 60px;
    margin-top: 60px;
    z-index: 2;
    position: relative;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Services Section */
.services {
    padding: 100px 20px;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white-color);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--white-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-card p {
    color: var(--gray-color);
    line-height: 1.8;
}

/* About Section */
.about {
    padding: 100px 20px;
    background: var(--white-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: var(--dark-color);
}

.about-text p {
    color: var(--gray-color);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

/* Portfolio Section */
.portfolio {
    padding: 100px 20px;
    background: #f8fafc;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    cursor: pointer;
    height: 300px;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    color: var(--white-color);
    padding: 30px;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 0.95;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.portfolio-tag {
    background: var(--white-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 100px 20px;
    background: var(--white-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.contact-item p {
    color: var(--gray-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--gradient);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.form-message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    display: none;
    font-weight: 500;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.captcha-group {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.captcha-group label {
    flex: 0 0 auto;
    font-weight: 600;
    color: var(--dark-color);
    margin-right: 10px;
}

.captcha-group #captcha-question {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1rem;
}

.captcha-group input {
    flex: 1;
    width: auto !important;
}

.captcha-refresh {
    flex: 0 0 auto;
    background: var(--primary-color);
    color: var(--white-color);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.captcha-refresh:hover {
    background: var(--secondary-color);
    transform: rotate(180deg);
}

.captcha-refresh i {
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white-color);
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-col p {
    color: var(--gray-color);
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 25px;
    font-size: 0.9rem;
}

.newsletter-form button {
    background: var(--gradient);
    border: none;
    padding: 12px 20px;
    border-radius: 25px;
    color: var(--white-color);
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    transform: scale(1.05);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-color);
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--gradient);
    color: var(--white-color);
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: block;
}

.modal-content {
    background: var(--white-color);
    margin: 50px auto;
    padding: 0;
    max-width: 900px;
    border-radius: 15px;
    position: relative;
    animation: slideDown 0.4s ease;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--dark-color);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.modal-body {
    padding: 40px;
}

.modal-body h2 {
    color: var(--dark-color);
    margin-bottom: 30px;
    font-size: 2.2rem;
}

.modal-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 30px;
}

.modal-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.modal-info h3 {
    color: var(--dark-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.modal-info h4 {
    color: var(--dark-color);
    margin-top: 25px;
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.modal-info p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 20px;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tech-stack span {
    background: var(--gradient);
    color: var(--white-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.modal-info ul {
    list-style: none;
    padding: 0;
}

.modal-info ul li {
    color: var(--gray-color);
    padding: 8px 0;
    padding-left: 30px;
    position: relative;
    line-height: 1.6;
}

.modal-info ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.animate-fade-in {
    animation: fadeInUp 1s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        right: -100%;
        flex-direction: column;
        background: var(--dark-color);
        width: 100%;
        padding: 40px;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }

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

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

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

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

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

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

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

    .section-title {
        font-size: 2rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .modal-details {
        grid-template-columns: 1fr;
    }

    .modal-content {
        margin: 20px;
    }

    .modal-body {
        padding: 30px 20px;
    }


    .hero {
        min-height: 100vh;
        padding: 120px 20px 60px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

    .service-card {
        padding: 30px 20px;
    }

    .portfolio-item {
        height: 250px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input {
        width: 100%;
    }

    .captcha-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .captcha-group label {
        margin-bottom: 10px;
    }

    .captcha-group input {
        width: 100% !important;
    }

    .captcha-refresh {
        align-self: flex-end;
    }

    .contact-item {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        gap: 15px;
    }

    .contact-item i {
        flex-shrink: 0;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }

    .contact-item div {
        flex: 1;
    }

    .contact-item h4 {
        font-size: 1.1rem;
    }

    .contact-item p {
        font-size: 0.95rem;
        word-break: break-word;
    }

    .logo img {
        height: 50px;
    }

    .hero-buttons .btn {
        padding: 15px 30px;
    }
}

/* Tablet and Medium Devices */
@media (min-width: 769px) and (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        gap: 40px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .modal-details {
        grid-template-columns: 1fr;
    }

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

/* Small Mobile Devices */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 1rem;
    }

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

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

    .hero-stats {
        gap: 20px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .service-card h3 {
        font-size: 1.3rem;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .navbar .container {
        padding: 15px;
    }

    .logo img {
        height: 40px;
    }

    .modal-body h2 {
        font-size: 1.8rem;
    }

    .modal-close {
        font-size: 28px;
        top: 15px;
        right: 20px;
    }

    .portfolio-overlay h3 {
        font-size: 1.3rem;
    }

    .contact-form {
        padding: 0;
    }

    .form-group input,
    .form-group textarea {
        font-size: 0.95rem;
    }

    .portfolio-item {
        height: 220px;
    }

    .contact-item {
        margin-bottom: 25px;
    }

    .contact-item i {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .contact-item h4 {
        font-size: 1rem;
        margin-bottom: 3px;
    }

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

    .contact-content {
        gap: 40px;
    }
}