/* --- General Section Styles --- */
.section {
    padding: 100px 10%;
}

#skills {
    padding-top: 20px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 60px;
    text-align: center;
    font-weight: 700;
}

.section-title span {
    color: var(--primary);
}

/* --- Card Base --- */
.card {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.card h3 {
    margin-bottom: 25px;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
    padding-bottom: 5px;
}

/* --- Skill Lists --- */
.skill-list,
.goals-list {
    list-style: none;
}

.skill-list li,
.goals-list li {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    color: var(--text-muted);
}

.skill-list li i,
.goals-list li i {
    color: var(--primary);
    margin-right: 15px;
    font-size: 1.2rem;
    margin-top: 4px;
}

/* --- Project Cards --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(0, 255, 249, 0.1), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
    pointer-events: none;
}

.project-card:hover::before {
    transform: translateX(100%);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 20px rgba(0, 255, 249, 0.3);
    border-color: var(--primary);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.project-title {
    font-size: 1.5rem;
    font-family: var(--font-en);
    margin-bottom: 15px;
    color: white;
    font-weight: 700;
    letter-spacing: 1px;
}

.folder-icon {
    font-size: 2.5rem;
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary);
}

.project-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    margin-left: 15px;
    transition: 0.3s;
}

.project-links a:hover {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary);
}

.project-description {
    font-size: 1rem;
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
}

.tag {
    background: rgba(0, 255, 249, 0.1);
    color: var(--primary);
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(0, 255, 249, 0.2);
    transition: 0.3s;
}

.project-card:hover .tag {
    border-color: var(--primary);
    box-shadow: 0 0 5px rgba(0, 255, 249, 0.2);
}

/* --- VOLT FIT Special Card Styling --- */
.voltfit-card {
    border-color: rgba(0, 255, 249, 0.25);
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.88) 0%, rgba(8, 14, 26, 0.94) 100%);
    position: relative;
    overflow: hidden;
}

.voltfit-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    border-radius: inherit;
}

.voltfit-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.04);
    min-width: 100%;
    min-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.52;
    /* brightness/contrast/saturation are baked into the video and poster files */
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.voltfit-video-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(15, 23, 42, 0.2) 0%, rgba(8, 14, 26, 0.78) 100%);
    opacity: 1;
    transition: opacity 0.5s ease;
    z-index: 1;
}

.voltfit-card:hover .voltfit-video-bg {
    opacity: 0.72;
    transform: translate(-50%, -50%) scale(1);
}

.voltfit-card:hover .voltfit-video-overlay {
    opacity: 0.85;
}

.voltfit-card > *:not(.voltfit-video-container) {
    position: relative;
    z-index: 2;
}

.voltfit-card .project-title {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85);
}

.voltfit-card .project-description {
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9);
}

.voltfit-header {
    align-items: flex-start;
    margin-bottom: 22px;
}

.voltfit-icon-card {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px;
    background: rgba(0, 243, 255, 0.06);
    border: 1.5px solid rgba(0, 243, 255, 0.35);
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0, 243, 255, 0.25), inset 0 0 15px rgba(0, 243, 255, 0.1);
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.project-card:hover .voltfit-icon-card {
    transform: translateY(-4px) scale(1.05);
    border-color: var(--primary);
    box-shadow: 0 12px 35px rgba(0, 243, 255, 0.5), inset 0 0 20px rgba(0, 243, 255, 0.2);
}

.voltfit-logo {
    width: 76px;
    height: 76px;
    border-radius: 15px;
    object-fit: cover;
    display: block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: transform 0.35s ease;
}

.project-card:hover .voltfit-logo {
    transform: rotate(2deg);
}

.project-card-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.project-card-actions .btn {
    margin-top: 0;
    margin-left: 0;
}

.privacy-btn,
.video-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-color: rgba(0, 255, 249, 0.35);
}

.privacy-btn:hover,
.privacy-btn:hover i,
.privacy-btn:hover span,
.video-btn:hover,
.video-btn:hover i,
.video-btn:hover span {
    border-color: var(--primary);
    color: black;
    box-shadow: 0 0 20px var(--primary);
}

/* --- Farida Special Card Styling --- */
.farida-card {
    background: #050505;
    border: 1px solid rgba(214, 0, 28, 0.3);
}

.farida-card::before {
    background: linear-gradient(45deg, transparent, rgba(214, 0, 28, 0.2), transparent);
}

.farida-card:hover {
    border-color: #D6001C;
    box-shadow: 0 0 25px rgba(214, 0, 28, 0.4);
}

.farida-logo {
    width: 85px;
    height: auto;
    max-height: 55px;
    object-fit: contain;
    z-index: 1;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
    transition: transform 0.3s ease;
}

.project-card:hover .farida-logo {
    transform: scale(1.06);
}

.farida-card .project-title {
    color: #ffffff;
    font-size: 1.35rem;
    z-index: 1;
    margin-top: 10px;
    letter-spacing: 0.5px;
}

.farida-card .project-description {
    color: #e2e8f0;
    z-index: 1;
    line-height: 1.7;
}

.btn-farida {
    background: #D6001C;
    box-shadow: 0 4px 15px rgba(214, 0, 28, 0.3);
    border: none;
    z-index: 1;
    position: relative;
    overflow: hidden;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.btn-farida:hover {
    background: #b50018;
    box-shadow: 0 6px 25px rgba(214, 0, 28, 0.5);
}

.farida-card .tag {
    background: rgba(214, 0, 28, 0.1);
    color: #ff8090;
    border: 1px solid rgba(214, 0, 28, 0.3);
    z-index: 1;
}

/* --- Detailed Skills Section (Tabs) --- */
.tabs-container {
    max-width: 1000px;
    margin: 0 auto;
}

.tabs-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.tab-btn {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--text-color);
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary);
    color: white;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skills-grid-detailed {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.skill-category-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.skill-category-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.skill-category-card h4 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detailed-list {
    list-style: none;
    padding-left: 0;
}

.detailed-list li {
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding-left: 20px;
}

.detailed-list li::before {
    content: '▹';
    color: var(--primary);
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 60px 5%;
    }
}