/* Portfolio-specific styles */
.portfolio-nav {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
}

.portfolio-nav a {
    display: inline-block;
    margin: 0 15px;
    padding: 10px 20px;
    background: var(--primary-maroon);
    color: var(--text-white);
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.portfolio-nav a:hover {
    background: var(--saffron);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--primary-maroon, rgba(0,0,0,0.2));
}

.portfolio-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
    position: relative;
}

.portfolio-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8em;
    color: var(--primary-maroon);
    margin-bottom: 20px;
    position: relative;
    padding-left: 40px;
    transition: color 0.3s ease;
}

.portfolio-section h3:hover {
    color: var(--saffron);
}

.portfolio-section h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M50,10 C90,40 90,60 50,90 C10,60 10,40 50,10 Z' fill='%230A9396'/%3E%3Ccircle cx='50' cy='50' r='15' fill='%23005F73'/%3E%3Ccircle cx='50' cy='50' r='5' fill='%23FFD700'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    animation: rotateIcon 4s ease-in-out infinite;
}

.portfolio-section:not(:last-child) {
    border-bottom: none;
    margin-bottom: 0;
}

.portfolio-section:not(:last-child)::after {
    display: block;
}

.portfolio-section:not(:last-child)::before {
    display: none;
}

.portfolio-intro {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px;
    background: var(--bg-card);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

/* ==================== RESPONSIVE PORTFOLIO NAVIGATION ==================== */
/* Stack navigation buttons vertically on smaller screens */
@media (max-width: 768px) {
    .portfolio-nav {
        padding: 20px;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .portfolio-nav a {
        width: 100%;
        max-width: 250px;
        margin: 0;
    }
}

@media (max-width: 480px) {
    .portfolio-nav {
        padding: 15px 10px;
        gap: 12px;
    }

    .portfolio-nav a {
        max-width: 200px;
        font-size: 0.9em;
        padding: 8px 16px;
    }
}

@media (max-width: 360px) {
    .portfolio-nav {
        padding: 12px 8px;
        gap: 10px;
    }

    .portfolio-nav a {
        max-width: 180px;
        font-size: 0.85em;
        padding: 6px 14px;
    }
}

/* ==================== PORTFOLIO CARD ==================== */
.portfolio-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.15), 0 0 20px rgba(139, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 30px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(139, 0, 0, 0.25), 0 0 40px rgba(139, 0, 0, 0.2);
}

/* Dark theme for portfolio card */
[data-theme="dark"] .portfolio-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 215, 0, 0.2);
    box-shadow: 0 8px 40px rgba(0,0,0,0.4), var(--shadow-lg), var(--card-glow);
}

[data-theme="dark"] .portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(139, 0, 0, 0.4), var(--shadow-xl), var(--hover-glow);
    border: 1px solid rgba(255, 215, 0, 0.4);
}