:root {
    --primary-color: #3b82f6;
    --secondary-color: #1d4ed8;
    --accent-color: #8b5cf6;
    --dark-bg: #111827;
    --darker-bg: #0f172a;
    --card-bg: #1f2937;
    --text-color: #f3f4f6;
    --text-muted: #9ca3af;
}

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

.section {
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    padding: 80px 0;
    position: relative;
    background-color: var(--dark-bg);
}

.section.bg-light {
    background-color: var(--darker-bg) !important;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--text-color);
    padding: 0;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-content {
    padding-right: 50px;
}

.section-title {
    margin-bottom: 40px;
    position: relative;
    color: var(--text-color);
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.service-card {
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    background-color: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card:hover {
    transform: translateY(-5px);
}

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

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 30px;
    aspect-ratio: 16/9;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(37, 99, 235, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 20px;
}

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

.portfolio-overlay .text-white {
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay .text-white {
    transform: translateY(0);
}

.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    position: fixed;
    width: 100%;
    z-index: 1000;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .navbar-brand {
    color: var(--text-color);
    font-weight: 600;
}

.navbar .nav-link {
    color: var(--text-color);
    transition: color 0.3s ease;
}

.navbar .nav-link:hover {
    color: var(--accent-color);
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.1);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

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

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

.btn-light {
    background-color: var(--text-color);
    color: var(--dark-bg);
    border: none;
}

.btn-light:hover {
    background-color: var(--accent-color);
    color: var(--text-color);
}

.form-control {
    background-color: var(--darker-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.form-control:focus {
    background-color: var(--darker-bg);
    border-color: var(--primary-color);
    color: var(--text-color);
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.social-links {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-5px);
    border-color: transparent;
}

.social-links a:hover::before {
    opacity: 1;
}

.social-links i {
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.social-links a:hover i {
    transform: scale(1.1);
}

.social-links a::after {
    content: attr(title);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
}

.social-links a:hover::after {
    opacity: 1;
}

footer {
    background-color: var(--darker-bg) !important;
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 30px;
    }
}

.modal-content {
    background-color: var(--darker-bg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.4);
}

.modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    background-color: rgba(31, 41, 55, 0.8);
    border-top-left-radius: 0.3rem;
    border-top-right-radius: 0.3rem;
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    background-color: rgba(31, 41, 55, 0.8);
    border-bottom-left-radius: 0.3rem;
    border-bottom-right-radius: 0.3rem;
    padding: 1.5rem;
}

.modal-title {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.4rem;
}

.modal-body {
    padding: 2rem;
    background: linear-gradient(145deg, var(--darker-bg), var(--dark-bg));
}

.modal-body p {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.btn-close:hover {
    opacity: 1;
}

.modal-backdrop.show {
    opacity: 0.85;
    background-color: var(--dark-bg);
}

.modal .btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border: none;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.modal .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.3);
}

.scroll-arrow {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.scroll-arrow.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-arrow i {
    color: var(--text-color);
    font-size: 1.2rem;
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.scroll-arrow:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.scroll-arrow:hover::before {
    opacity: 1;
}

.scroll-arrow:hover i {
    transform: translateY(-3px);
    color: #ffffff;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.scroll-arrow.show i {
    animation: bounce 2s infinite;
}

.scroll-arrow:active {
    transform: translateY(-2px) scale(0.95);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}