:root {
    --primary-gradient: linear-gradient(135deg, #ffd700 0%, #ffaa00 100%);
    --transition-speed: 0.4s;
}

body {
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
    overflow-x: hidden;
    background-color: var(--bs-body-bg);
    transition: background-color 0.3s ease, color 0.3s ease;
    padding-top: 100px;
    
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
}

footer {
    margin-top: auto; 
}

[data-bs-theme="dark"] body {
    background-color: #000000;
}
[data-bs-theme="dark"] .navbar {
    background-color: rgba(0, 0, 0, 0.8) !important;
}
[data-bs-theme="dark"] .bg-body {
    background-color: #000000 !important;
}
[data-bs-theme="dark"] .bg-body-tertiary {
    background-color: rgba(15, 15, 15, 0.8) !important;
}
[data-bs-theme="dark"] .project-card,
[data-bs-theme="dark"] .contact-card {
    background-color: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(8px);
    border-color: rgba(255, 255, 255, 0.05);
}

[data-bs-theme="dark"] .project-card,
[data-bs-theme="dark"] .contact-card,
[data-bs-theme="dark"] .about-card {
    background-color: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(8px);
    border-color: rgba(255, 255, 255, 0.05);
}

[data-bs-theme="dark"] .dropdown-menu {
    background-color: rgba(20, 20, 20, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}
[data-bs-theme="dark"] .dropdown-item {
    color: #fff;
}
[data-bs-theme="dark"] .dropdown-item:hover {
    background-color: rgba(255, 215, 0, 0.15);
    color: #ffd700;
}

#matrixCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.8;
}

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar {
    backdrop-filter: blur(15px);
    background-color: rgba(var(--bs-body-bg-rgb), 0.8) !important;
    border-bottom: 1px solid rgba(128, 128, 128, 0.1);
    padding-top: 1rem;
    padding-bottom: 0.5rem;
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: -0.5px;
    font-size: 1.5rem;
    padding-left: 0;
}

.nav-link {
    font-weight: 600;
    transition: color var(--transition-speed);
    padding: 0.5rem 1rem !important;
    white-space: nowrap; 
    display: flex;
    align-items: center;
}

.nav-link:hover {
    color: #ffd700 !important;
}

.nav-link i {
    margin-right: 6px;
    font-size: 0.9em;
}

.nav-item:first-child .nav-link {
    padding-left: 0 !important;
}
.nav-item:last-child .nav-link {
    padding-right: 0 !important;
}

.top-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-toggle-btn {
    background: transparent;
    border: 1px solid rgba(128, 128, 128, 0.2);
    color: var(--bs-body-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-toggle-btn:hover, .lang-toggle-btn:focus {
    border-color: #ffd700;
    color: #ffd700;
}

@media (max-width: 576px) {
    .nav-link {
        font-size: 0.9rem;
        padding: 0.5rem 0.2rem !important;
    }
    .nav-link i {
        margin-right: 5px; 
        font-size: 1em;
    }
    .navbar-brand {
        font-size: 1.25rem; 
    }
    .top-controls {
        gap: 10px;
    }
    
    .btn-custom {
        padding: 10px 18px !important;
        font-size: 0.85rem !important;
        white-space: nowrap;
    }
    .btn-outline-custom {
        padding: 8px 18px !important;
        font-size: 0.85rem !important;
        white-space: nowrap;
    }
}

.hero-section {
    display: flex;
    align-items: center;
    position: relative;
    width: 100%;
}

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

.animate-on-load {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

.project-card, .contact-card, .about-card {
    border: 1px solid rgba(128, 128, 128, 0.1);
    border-radius: 1.5rem;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
    overflow: hidden;
    background-color: var(--bs-body-bg);
}

[data-bs-theme="dark"] .project-card,
[data-bs-theme="dark"] .contact-card,
[data-bs-theme="dark"] .about-card {
    background-color: rgba(12, 12, 12, 0.75) !important;
    backdrop-filter: blur(12px);
    border-color: rgba(255, 255, 255, 0.08);
}

.project-card {
    height: 100%;
}

.contact-card {
    padding: 4rem 2rem;
}

.project-card:hover, .contact-card:hover {
    transform: translateY(-12px) scale(1.00);
    border-color: rgba(255, 215, 0, 0.150) !important; 
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.150) !important; 
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(128, 128, 128, 0.1);
    color: var(--bs-body-color);
    text-decoration: none;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary-gradient);
    color: #000;
    transform: translateY(-5px);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.theme-toggle-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--bs-body-color);
    cursor: pointer;
    transition: transform 0.3s ease;
    padding: 0;
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    color: #ffd700;
}

.btn-custom {
    background: var(--primary-gradient);
    color: #111;
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: opacity var(--transition-speed);
}

.btn-custom:hover {
    opacity: 0.9;
    color: #000;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.btn-outline-custom {
    border: 2px solid var(--bs-body-color);
    color: var(--bs-body-color);
    padding: 10px 30px; 
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all var(--transition-speed);
    background: transparent;
}

.btn-outline-custom:hover {
    background-color: var(--bs-body-color);
    color: var(--bs-body-bg);
    border-color: var(--bs-body-color);
}

.contact-email-text {
    font-size: 1.4rem;
    word-break: break-word;
}

@media (min-width: 768px) {
    .contact-email-text {
        font-size: 2rem;
    }
}