/* ===== BASE STYLES ===== */
:root {
    --primary: linear-gradient(135deg, #2563eb, #1e40af);
    --primary-dark: linear-gradient(135deg, #1e40af, #1e3a8a);
    --secondary: linear-gradient(135deg, #10b981, #059669);
    --dark: #1f2937;
    --light: #f9fafb;
    --gray: #6b7280;
    --white: #ffffff;
    --black: #000000;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Dark mode variables */
[data-theme="dark"] {
    --dark: #f9fafb;
    --light: #1f2937;
    --gray: #9ca3af;
    --white: #111827;
    --black: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

        html, body {
            overflow-x: hidden;
            width: 100%;
        }

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--dark);
            line-height: 1.6;
            background-color: var(--light);
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            box-sizing: border-box;
        }

section {
    padding: 100px 0;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

p {
    margin-bottom: 15px;
    color: var(--gray);
}

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

img {
    max-width: 100%;
    height: auto;
    transition: var(--transition);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

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

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

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

.btn-primary:hover::before {
    background: var(--primary-dark);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, #2563eb, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #2563eb, #10b981);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

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

.loader {
    display: flex;
    gap: 10px;
}

.loader .box {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    animation: bounce 1s infinite alternate;
}

.loader .box:nth-child(1) {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    animation-delay: 0s;
}

.loader .box:nth-child(2) {
    background: linear-gradient(135deg, #10b981, #059669);
    animation-delay: 0.2s;
}

.loader .box:nth-child(3) {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    animation-delay: 0.4s;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-20px); }
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 999;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 15px 0;
    background-color: rgba(var(--white-rgb), 0.95);
    backdrop-filter: blur(10px);
}

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

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

.logo {
    font-family: 'Agrandir Tight', sans-serif;
    font-size: 1.8rem;
    font-weight: 400;
    background: linear-gradient(135deg, #2563eb, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
}

.company-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #2563eb, #10b981);
    transition: var(--transition);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, #2563eb, #10b981);
    border-radius: 3px;
    transition: var(--transition);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    margin-left: 20px;
    cursor: pointer;
}

.theme-toggle i {
    font-size: 1.2rem;
    color: var(--dark);
    transition: var(--transition);
}

.theme-toggle:hover i {
    transform: rotate(30deg);
}

/* ===== HERO SECTION ===== */
.hero {
    padding-top: 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(249, 250, 251, 0.9), rgba(229, 231, 235, 0.9));
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, rgba(31, 41, 55, 0.9), rgba(17, 24, 39, 0.9));
}

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

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(135deg, #2563eb, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-title .title-word {
    display: inline-block;
    opacity: 0;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-img {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    object-fit: cover;
    border: 10px solid rgba(37, 99, 235, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
}

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

/* ===== SERVICES SECTION ===== */
.services {
    background-color: var(--white);
}

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

.service-card {
    background-color: var(--light);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    z-index: 1;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.1));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: #2563eb;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: var(--white);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #2563eb, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    background-color: var(--light);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    background-color: transparent;
    border: 1px solid var(--gray);
    color: var(--gray);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: var(--white);
    border-color: transparent;
}

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

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(16, 185, 129, 0.9));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-title {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 10px;
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-category {
    color: rgba(255, 255, 255, 0.8);
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-title,
.portfolio-item:hover .portfolio-category {
    transform: translateY(0);
}

/* ===== ABOUT SECTION ===== */
.about {
    background-color: var(--white);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    align-items: center;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-stats {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    min-width: 300px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(16, 185, 129, 0.05));
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.stat-item h4 {
    font-size: 2rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #2563eb, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: modalFadeIn 0.3s ease-out;
}

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

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--dark);
}

.modal-title {
    margin-bottom: 20px;
    text-align: center;
    background: linear-gradient(135deg, #2563eb, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== LIGHTBOX ===== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    display: block;
    margin: 0 auto;
    border-radius: 5px;
}

.lightbox-caption {
    color: white;
    text-align: center;
    margin-top: 15px;
    font-size: 1.2rem;
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}

.lightbox-nav button {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-nav button:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* ===== FOOTER SECTION ===== */
.footer {
    background: linear-gradient(135deg, #1f2937, #111827);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, #2563eb, #10b981);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(5px);
}

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

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

.social-links a:hover {
    background: linear-gradient(135deg, #2563eb, #10b981);
    transform: translateY(-5px);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ===== CHAT WIDGET ===== */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.chat-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.chat-button:hover {
    transform: scale(1.1);
}

.chat-box {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 300px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    display: none;
    transform-origin: bottom right;
    animation: scaleIn 0.2s ease-out;
}

@keyframes scaleIn {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.chat-header {
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-title {
    font-weight: 600;
}

.close-chat {
    cursor: pointer;
    font-size: 1.2rem;
}

.chat-body {
    padding: 15px;
    height: 300px;
    overflow-y: auto;
}

.chat-message {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}

.chat-message.bot {
    align-items: flex-start;
}

.chat-message.user {
    align-items: flex-end;
}

.message-content {
    padding: 10px 15px;
    border-radius: 18px;
    max-width: 80%;
    word-wrap: break-word;
}

.bot .message-content {
    background-color: #f1f1f1;
    color: var(--dark);
}

.user .message-content {
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
}

/* Dark mode chatbot styles */
[data-theme="dark"] .chat-box {
    background-color: var(--white);
    border: 1px solid #374151;
}

[data-theme="dark"] .bot .message-content {
    background-color: #374151;
    color: #f9fafb;
}

[data-theme="dark"] .user .message-content {
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
}

[data-theme="dark"] .chat-input {
    border-top: 1px solid #374151;
}

[data-theme="dark"] .chat-input input {
    background-color: #374151;
    border: 1px solid #4b5563;
    color: #f9fafb;
}

[data-theme="dark"] .chat-input input::placeholder {
    color: #9ca3af;
}

[data-theme="dark"] .chat-body {
    background-color: var(--white);
}

.message-time {
    font-size: 0.7rem;
    color: var(--gray);
    margin-top: 5px;
}

.chat-input {
    display: flex;
    padding: 10px;
    border-top: 1px solid #eee;
}

.chat-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 20px;
    outline: none;
}

.chat-input button {
    margin-left: 10px;
    background: linear-gradient(135deg, #2563eb, #10b981);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
}

/* ===== 404 PAGE ===== */
.error-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    padding: 20px;
    background-color: var(--light);
}

.error-code {
    font-size: 5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #2563eb, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 20px;
}

.error-message {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.error-description {
    max-width: 600px;
    margin-bottom: 40px;
    color: var(--gray);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        margin-bottom: 50px;
    }

    .hero-img {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
    }

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

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

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

    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            
            section {
                padding: 60px 0;
            }

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

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

            .portfolio-filter {
                gap: 10px;
            }

            .filter-btn {
                padding: 6px 15px;
                font-size: 0.9rem;
            }

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

            .hero-img {
                width: 250px;
                height: 250px;
            }

            .chat-box {
                width: 280px;
                right: -20px;
            }
            
            .portfolio-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .footer-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        
        @media (max-width: 480px) {
            .container {
                padding: 0 10px;
            }
            
            .hero-title {
                font-size: 1.8rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .hero-img {
                width: 200px;
                height: 200px;
            }
        }

/* Lazy loading */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.lazy.loaded {
    opacity: 1;
}

/* Newsletter Card Styles */
.newsletter-box {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}
.newsletter-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    padding: 32px 28px 28px 28px;
    max-width: 350px;
    width: 100%;
    margin: 0 auto;
}
.newsletter-card h3 {
    color: #222;
    margin-bottom: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
}
.newsletter-card h3::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: #1e90ff;
    margin-top: 6px;
    border-radius: 2px;
}
.newsletter-card p {
    color: #222;
    margin-bottom: 18px;
    font-size: 1.08rem;
}
.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.newsletter-form input[type="email"] {
    padding: 12px 14px;
    border-radius: 6px;
    border: none;
    font-size: 1rem;
    background: #f9fafb;
    margin-bottom: 0;
    outline: none;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.newsletter-form input[type="email"]::placeholder {
    color: #888;
    opacity: 1;
}
.newsletter-form .btn {
    width: 100%;
    font-size: 1.08rem;
    font-weight: 600;
    border-radius: 6px;
    padding: 12px 0;
    margin-top: 2px;
}
@media (max-width: 576px) {
    .newsletter-card {
        padding: 22px 10px 18px 10px;
        max-width: 100%;
    }
}