/* ==========================================================================
   Custom styles for Aviral Tripathi's Portfolio
   Theme Colors: Background #2B2C31, Typography #FFFEDF
   ========================================================================== */

/* 1. Animated Photo Holder
   ========================================================================== */
.photo-holder-container {
    position: relative;
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
    animation: float 6s ease-in-out infinite;
}

.photo-holder-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 254, 223, 0.15) 0%, rgba(255, 254, 223, 0.03) 100%);
    border: 2px solid rgba(255, 254, 223, 0.3);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morph 8s ease-in-out infinite;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3), inset 0 0 20px rgba(255, 254, 223, 0.1);
    transition: all 0.5s ease-in-out;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1;
}

.photo-holder-backdrop::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255, 254, 223, 0.2), transparent 60%);
    z-index: 2;
    pointer-events: none;
    border-radius: inherit;
}

.photo-holder-container:hover .photo-holder-backdrop {
    border-color: rgba(255, 254, 223, 0.6);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4), inset 0 0 30px rgba(255, 254, 223, 0.2);
    transform: scale(1.02);
}

.photo-holder-image {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 105%;
    height: 105%;
    object-fit: contain;
    z-index: 3;
    transform: translate(-50%, -10px) scale(1);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    -webkit-mask-image: linear-gradient(to top, transparent 4%, black 20%);
    mask-image: linear-gradient(to top, transparent 4%, black 20%);
}

.photo-holder-container:hover .photo-holder-image {
    transform: translate(-50%, -20px) scale(1.04);
}

@keyframes morph {
    0% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 0.7;
    }
}

/* 2. Skills Grid & Cards
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.skill-card {
    background: rgba(255, 254, 223, 0.03);
    border: 1px solid rgba(255, 254, 223, 0.1);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0; 
    left: 0; 
    width: 4px; 
    height: 100%;
    background-color: #FFFEDF;
    opacity: 0;
    transition: all 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 254, 223, 0.06);
    border-color: rgba(255, 254, 223, 0.25);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.skill-card:hover::before {
    opacity: 1;
}

.skill-card-icon {
    font-size: 2rem;
    color: #FFFEDF;
    margin-bottom: 15px;
    opacity: 0.9;
}

.skill-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #FFFEDF;
}

.skill-card p {
    font-size: 0.85rem;
    opacity: 0.7;
    margin: 0;
    line-height: 1.4;
}

/* 3. 3D Project Flip Cards
   ========================================================================== */
.flip-card-container {
    perspective: 1000px;
    margin-bottom: 30px;
}

.flip-card {
    width: 100%;
    height: 260px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.flip-card-container:hover .flip-card {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 12px;
    border: 1px solid rgba(255, 254, 223, 0.15);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    overflow: hidden;
}

.flip-card-front {
    background-color: #2E2F34;
    color: #FFFEDF;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    transition: all 0.3s;
}

.flip-card-front::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to top, rgba(43,44,49,0.9) 0%, rgba(43,44,49,0.2) 70%, transparent 100%);
    z-index: 1;
}

.flip-card-front-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.project-card-logo {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
    z-index: 0;
    padding: 0;
    background: transparent;
}

.mentora-logo {
    width: 78%;
    height: auto;
}

.ipa-logo {
    width: 70%;
    height: auto;
}

.student-council-logo {
    width: 72%;
    height: auto;
}

.enablers-logo {
    width: 82%;
    height: auto;
}

.flip-card-front-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #FFFEDF;
}

.flip-card-front-content p {
    font-size: 0.85rem;
    opacity: 0.7;
    margin: 0;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.flip-card-back {
    background-color: #FFFEDF;
    color: #2B2C31;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 25px;
    text-align: center;
}

.flip-card-back h4 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: #2B2C31;
    text-transform: none !important;
}

.flip-card-back p {
    font-size: 0.85rem;
    line-height: 1.4;
    margin-bottom: 20px;
    opacity: 0.9;
}

.flip-card-back .btn-flip {
    background-color: #2B2C31;
    color: #FFFEDF;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    text-decoration: none;
    border: 1px solid #2B2C31;
    display: inline-block;
}

.flip-card-back .btn-flip:hover {
    background-color: transparent;
    color: #2B2C31;
}

/* 4. Experience Timeline
   ========================================================================== */
.portfolio-timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto 0;
    padding: 0 15px;
}

.portfolio-timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: rgba(255, 254, 223, 0.15);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

@media (max-width: 768px) {
    .portfolio-timeline::after {
        left: 31px;
    }
}

.timeline-container {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-container::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    right: -8px;
    background-color: #2B2C31;
    border: 3px solid #FFFEDF;
    top: 25px;
    border-radius: 50%;
    z-index: 1;
    transition: all 0.3s ease;
}

.timeline-container.left {
    left: 0;
}

.timeline-container.right {
    left: 50%;
}

.timeline-container.right::after {
    left: -8px;
}

@media (max-width: 768px) {
    .timeline-container {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    .timeline-container.right {
        left: 0%;
    }
    .timeline-container::after {
        left: 23px !important;
    }
}

.timeline-content {
    padding: 20px 25px;
    background: rgba(255, 254, 223, 0.02);
    border: 1px solid rgba(255, 254, 223, 0.1);
    position: relative;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.timeline-container:hover .timeline-content {
    background: rgba(255, 254, 223, 0.05);
    border-color: rgba(255, 254, 223, 0.3);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.timeline-container:hover::after {
    background-color: #FFFEDF;
    transform: scale(1.2);
}

.timeline-date {
    font-size: 0.8rem;
    font-weight: 700;
    color: #FFFEDF;
    margin-bottom: 5px;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #FFFEDF;
}

.timeline-subtitle {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 10px;
    opacity: 0.6;
    color: #FFFEDF;
}

.timeline-desc {
    font-size: 0.85rem;
    line-height: 1.4;
    margin: 0;
    opacity: 0.8;
}

/* 5. Sleek SVG/CSS Image Placeholders
   ========================================================================== */
.img-placeholder-card {
    width: 100%;
    height: 100%;
    min-height: 180px;
    background: linear-gradient(135deg, rgba(255, 254, 223, 0.04) 0%, rgba(255, 254, 223, 0.01) 100%);
    border: 2px dashed rgba(255, 254, 223, 0.15);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #FFFEDF;
    opacity: 0.8;
    transition: all 0.3s ease;
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.img-placeholder-card::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: linear-gradient(to bottom right, rgba(255, 254, 223, 0.03), transparent);
    transform: rotate(30deg);
    pointer-events: none;
}

.img-placeholder-card:hover {
    background: linear-gradient(135deg, rgba(255, 254, 223, 0.07) 0%, rgba(255, 254, 223, 0.02) 100%);
    border-color: rgba(255, 254, 223, 0.35);
    opacity: 1;
    transform: translateY(-2px);
}

.img-placeholder-card i {
    font-size: 2rem;
    margin-bottom: 12px;
    opacity: 0.6;
}

.img-placeholder-card span {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.06em;
    text-transform: none;
    opacity: 0.9;
}

.intro-photo-placeholder {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #35363D 0%, #2B2C31 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: inherit;
}

/* 6. General Adjustments
   ========================================================================== */
.space-md {
    padding: 80px 0;
}

.lead {
    font-size: 1.15rem;
    line-height: 1.6;
    font-weight: 300;
}

.media-item-placeholder img,
.project-sidebar img,
.flip-card-front-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-sidebar .img-fluid {
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Back button */
.btn-back {
    display: inline-flex;
    align-items: center;
    color: #FFFEDF;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: opacity 0.3s;
    margin-bottom: 30px;
}

.btn-back i {
    margin-right: 8px;
    transition: transform 0.3s;
}

.btn-back:hover {
    color: #FFFEDF;
    opacity: 0.8;
}

.btn-back:hover i {
    transform: translateX(-4px);
}

/* ==========================================================================
   7. Fullscreen Content Dropdown Overlays
   ========================================================================== */
body.media-overlay-open {
    overflow: hidden;
}

.media-overlay {
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(36, 37, 41, 0.98); /* matching footer background #242529 */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 9999;
    overflow-y: auto;
    transition: top 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 80px 0;
}

.media-overlay.active {
    top: 0;
}

.media-overlay-close {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 2.5rem;
    color: #FFFEDF;
    opacity: 0.6;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 254, 223, 0.05);
}

.media-overlay-close:hover {
    opacity: 1;
    color: #FFFEDF;
    background: rgba(255, 254, 223, 0.15);
    transform: rotate(90deg);
}

.media-overlay-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.media-overlay-title {
    color: #FFFEDF;
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: 8px;
    text-align: center;
}

.media-overlay-desc {
    color: #FFFEDF;
    opacity: 0.7;
    font-size: 1.1rem;
    margin-bottom: 50px;
    text-align: center;
}

.media-grid {
    margin-top: 30px;
}

.media-item-placeholder {
    width: 100%;
    background: linear-gradient(135deg, rgba(255, 254, 223, 0.04) 0%, rgba(255, 254, 223, 0.01) 100%);
    border: 2px dashed rgba(255, 254, 223, 0.15);
    border-radius: 12px;
    aspect-ratio: 16 / 9;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #FFFEDF;
    opacity: 0.8;
    transition: all 0.3s ease;
    padding: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.media-item-placeholder:hover {
    background: linear-gradient(135deg, rgba(255, 254, 223, 0.08) 0%, rgba(255, 254, 223, 0.02) 100%);
    border-color: rgba(255, 254, 223, 0.35);
    opacity: 1;
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.media-item-placeholder i {
    font-size: 1.8rem;
    margin-bottom: 10px;
    opacity: 0.6;
    transition: transform 0.3s ease;
}

.media-item-placeholder:hover i {
    transform: scale(1.1);
    opacity: 0.9;
}

.media-item-placeholder span {
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.5;
}

.media-item-placeholder img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 2;
    transition: transform 0.5s ease;
}

.media-item-placeholder:hover img {
    transform: scale(1.05);
}

/* Cursor pointer style for the trigger cards */
.project-holder-card {
    cursor: pointer;
    transition: all 0.3s ease;
}
.project-holder-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
}

/* 5-Column Responsive Layout for Project Cards */
@media (min-width: 992px) {
    .col-lg-5-cols {
        flex: 0 0 20%;
        max-width: 20%;
    }
}

/* Custom logo sizing styles */
.wafee-logo {
    width: 80%;
    height: auto;
}

/* Image Zoom Lightbox */
.img-zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 18, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.img-zoom-overlay.active {
    opacity: 1;
    pointer-events: auto;
    cursor: zoom-out;
}

.img-zoom-overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.img-zoom-overlay.active img {
    transform: scale(1);
}

.media-grid img {
    cursor: zoom-in;
}