/* About / Contact dropdown panels and their entrance animations */

.dropdown-section {
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    height: calc(100vh - 35px);
    background: rgba(0, 0, 0, 0.98);
    z-index: 999;
    transition: top 0.5s ease;
    overflow-y: auto;
}

.dropdown-section.active {
    top: 35px;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: 1px solid var(--matrix-color);
    color: var(--matrix-color);
    padding: 5px 15px;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s;
    z-index: 1000;
}

.close-btn:hover {
    background: var(--matrix-color);
    color: var(--bg-color);
}

.about-content,
.contact-content {
    position: relative;
    padding-top: 3rem;
}

/* Shared section heading inside dropdowns */
.dropdown-title {
    color: var(--matrix-color);
    margin-bottom: 3rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 2.5rem;
}

/* About */
.about-text {
    margin-bottom: 2rem;
}

.about-text p {
    margin-bottom: 1rem;
}

.about-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.about-card {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 149, 0.2);
}

.about-card h3 {
    color: var(--matrix-color);
    margin-bottom: 1rem;
}

.about-card ul {
    list-style: none;
}

/* Contact */
.contact-description {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.2rem;
    color: var(--text-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.contact-card {
    background: rgba(0, 0, 0, 0.3);
    height: 100%;
    z-index: 1;
    min-height: 200px;
    width: 100%;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 149, 0.2);
    text-decoration: none;
    color: var(--text-color);
    transform-style: preserve-3d;
    backface-visibility: hidden;
    display: block;
}

.contact-card i {
    font-size: 2rem;
    color: var(--matrix-color);
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--matrix-color);
}

.contact-card i,
.contact-card h3,
.contact-card p {
    transform: translateZ(30px);
    position: relative;
}

/* Entrance animations -------------------------------------------------- */
.about-title,
.contact-title {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.contact-description {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.about-card,
.contact-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.dropdown-section.active .about-title,
.dropdown-section.active .contact-title {
    opacity: 1;
    transform: translateY(0);
}

.dropdown-section.active .contact-description {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

/*
 * Each contact card is wrapped at runtime by the tilt effect, so the stagger
 * targets the wrappers (the real grid children) rather than the cards.
 */
.dropdown-section.active .tilt-wrapper-contact:nth-child(1) .contact-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.dropdown-section.active .tilt-wrapper-contact:nth-child(2) .contact-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}

.dropdown-section.active .tilt-wrapper-contact:nth-child(3) .contact-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1s;
}

.dropdown-section.active .tilt-wrapper-contact:nth-child(4) .contact-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.2s;
}

.dropdown-section.active .tilt-wrapper-contact:nth-child(5) .contact-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.4s;
}

.dropdown-section.active .tilt-wrapper-contact:nth-child(6) .contact-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.6s;
}

.dropdown-section.active .about-card:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}

.dropdown-section.active .about-card:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1s;
}

.dropdown-section.active .about-card:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.5s;
}