:root {
    --aqua: #00ffff;
    --aqua-dark: #00c8c8;
    --card-bg: rgb(44, 54, 65);
    --text-secondary: #858585;
    --primary-bg: #1a1a1a;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-bg);
    color: white;
}

.project-card, .graphic-card {
    background-color: var(--card-bg);
    border: 1px solid var(--aqua);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    height: 100%;
}

.project-card.show, .graphic-card.show {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover, .graphic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.2);
}

.project-image, .graphic-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

.project-info, .graphic-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: calc(100% - 200px);
}

.project-info h3, .graphic-info h3 {
    color: var(--aqua);
    margin-bottom: 0.8rem;
}

.project-info p, .graphic-info p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    flex-grow: 1;
}

.btn-aqua {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--aqua);
    color: #000;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-aqua:hover {
    background-color: var(--aqua-dark);
    color: #000;
    transform: scale(1.05);
}

.maturita-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 200px;
    background-color: var(--card-bg);
    border-radius: 50%;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    border: 2px solid var(--aqua);
}

.maturita-btn:hover {
    transform: scale(1.05);
    background-color: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.maturita-btn i {
    color: var(--aqua);
    transition: transform 0.3s;
}

.maturita-btn:hover i {
    transform: rotate(10deg) scale(1.1);
}

.btn-back {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.5rem 1.5rem;
    color: var(--aqua);
    border: 1px solid var(--aqua);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-back:hover {
    background-color: rgba(0, 255, 255, 0.1);
    color: var(--aqua);
}

.display-3 {
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--aqua);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.lead {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.section-title {
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--aqua);
}

@media (max-width: 768px) {
    .display-3 { font-size: 2.5rem; }
    .maturita-btn { width: 150px; height: 150px; }
}

@media (max-width: 576px) {
    .display-3 { font-size: 2rem; }
    .maturita-btn { width: 120px; height: 120px; }
    .maturita-btn i { font-size: 2rem; }
}