/* ==========================================================================
   Emil Sommerer - Minimalist 3D Card Deck Styles
   ========================================================================== */

/* Custom base resets */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    overflow: hidden;
    color: #ffffff;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

/* 3D Context Container */
.deck-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
    z-index: 10;
}

.card-deck {
    position: relative;
    width: 320px;
    height: 420px;
    transform-style: preserve-3d;
    transition: transform 0.5s ease;
}

/* Minimalist Flat Gray Cards */
.project-card-3d {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #121212;
    border-radius: 28px;
    overflow: hidden;
    cursor: pointer;
    transform-style: preserve-3d;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.20), /* premium top edge light reflection */
        inset 0 0 0 1px rgba(255, 255, 255, 0.08); /* crisp outer outline */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

/* Card Number */
.card-number {
    font-family: 'Outfit', sans-serif;
    font-size: 72px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    letter-spacing: -0.05em;
    user-select: none;
    transition: color 0.4s ease;
}

.project-card-3d:hover {
    background-color: #161616;
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.75), 
        inset 0 1px 0 rgba(255, 255, 255, 0.35), /* brighter top reflection on hover */
        inset 0 0 0 1px rgba(255, 255, 255, 0.18), /* brighter outline on hover */
        0 0 20px rgba(255, 255, 255, 0.02);
}

.project-card-3d:hover .card-number {
    color: rgba(255, 255, 255, 0.12);
}

/* Floating Active Card Badge */
.card-badge-floating {
    position: absolute;
    top: -45px;
    left: 50%;
    transform: translateX(-50%) translateZ(10px);
    background-color: #ffffff;
    color: #000000;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 6px 14px;
    border-radius: 30px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    transition: opacity 0.3s ease;
    z-index: 20;
}

/* Modal text and layout reveals */
.reveal-modal-text {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-modal-img {
    opacity: 0;
    transform: scale(0.97) rotateY(-3deg);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

#project-modal.show-modal .reveal-modal-text,
#about-modal.show-modal .reveal-modal-text,
#legal-modal.show-modal .reveal-modal-text {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

#project-modal.show-modal .reveal-modal-img {
    opacity: 1;
    transform: scale(1) rotateY(0);
    transition-delay: 0.15s;
}

/* Minimalist Side Click Navigation Arrows */
.arrow-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    padding: 24px;
    z-index: 45;
    transition: color 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
    outline: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
.arrow-btn svg {
    width: 32px;
    height: 32px;
    stroke-width: 1.5;
}
.arrow-btn:hover {
    color: rgba(255, 255, 255, 0.95);
    transform: translateY(-50%) scale(1.15);
}
.arrow-btn:active {
    transform: translateY(-50%) scale(0.95);
}
.left-arrow {
    left: 4%;
}
.right-arrow {
    right: 4%;
}

/* =====================
   Cover Image Cards
   ===================== */

/* Card 1 – GymApp */
.project-card-3d[data-project="1"] {
    background-image: url('assets/cover_gymapp.jpg');
    background-size: cover;
    background-position: center;
}
.project-card-3d[data-project="1"]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(0,0,0,0.10) 0%, rgba(0,0,0,0.45) 100%);
    pointer-events: none;
}
.project-card-3d[data-project="1"] .card-number { display: none; }

/* Card 2 – Box Tracker */
.project-card-3d[data-project="2"] {
    background-image: url('assets/cover_boxtracker.jpg');
    background-size: cover;
    background-position: center;
}
.project-card-3d[data-project="2"]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(0,0,0,0.08) 0%, rgba(0,0,0,0.45) 100%);
    pointer-events: none;
}
.project-card-3d[data-project="2"] .card-number { display: none; }

/* Card 3 – Bulky */
.project-card-3d[data-project="3"] {
    background-image: url('assets/cover_bulky.jpg');
    background-size: cover;
    background-position: center;
}
.project-card-3d[data-project="3"]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.35) 100%);
    pointer-events: none;
}
.project-card-3d[data-project="3"] .card-number { display: none; }

/* Card 4 – Sno. */
.project-card-3d[data-project="4"] {
    background-image: url('assets/cover_sno.jpg');
    background-size: cover;
    background-position: center;
}
.project-card-3d[data-project="4"]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.45) 100%);
    pointer-events: none;
}
.project-card-3d[data-project="4"] .card-number { display: none; }

/* Card 5 – Fotokabine */
.project-card-3d[data-project="5"] {
    background-image: url('assets/cover_fotokabine.jpg');
    background-size: cover;
    background-position: center 40%;
}
.project-card-3d[data-project="5"]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(0,0,0,0.08) 0%, rgba(0,0,0,0.40) 100%);
    pointer-events: none;
}
.project-card-3d[data-project="5"] .card-number { display: none; }

/* Card 6 – MailSort AI */
.project-card-3d[data-project="6"] {
    background-image: url('assets/cover_mailsort.jpg');
    background-size: cover;
    background-position: center;
}
.project-card-3d[data-project="6"]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(0,0,0,0.12) 0%, rgba(0,0,0,0.45) 100%);
    pointer-events: none;
}
.project-card-3d[data-project="6"] .card-number { display: none; }

/* Card 0 – Product AI Bot */
.project-card-3d[data-project="0"] {
    background-image: url('assets/cover_productbot.jpg');
    background-size: cover;
    background-position: center;
}
.project-card-3d[data-project="0"]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(0,0,0,0.12) 0%, rgba(0,0,0,0.45) 100%);
    pointer-events: none;
}
.project-card-3d[data-project="0"] .card-number { display: none; }

/* Card in Planning State */
.card-in-planning {
    background-color: #9ca3af !important; /* light gray base */
    border: 1.5px dashed rgba(0, 0, 0, 0.18) !important;
    box-shadow: none !important;
    opacity: 1.0 !important;
    filter: none !important;
    transition: opacity 0.4s ease, border-color 0.4s ease !important;
}

.card-in-planning:hover {
    opacity: 1.0 !important;
    border-color: rgba(0, 0, 0, 0.35) !important;
}

.card-in-planning .card-number {
    color: rgba(0, 0, 0, 0.15) !important;
    display: block !important;
}

.planning-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.planning-text {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(0, 0, 0, 0.18);
    padding: 6px 14px;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(2px);
    transition: all 0.3s ease;
}

.card-in-planning:hover .planning-text {
    color: rgba(0, 0, 0, 0.8);
    border-color: rgba(0, 0, 0, 0.35);
    background-color: rgba(255, 255, 255, 0.75);
}

/* Responsive adjustment sizes & Mobile Optimizations */
@media (max-width: 768px) {
    .deck-container {
        height: 340px;
    }
    .card-deck {
        width: 210px;
        height: 280px;
    }
    .card-number {
        font-size: 48px;
    }
    .card-badge-floating {
        top: -38px;
        font-size: 8px;
        padding: 4px 10px;
    }
    .arrow-btn {
        display: none;
    }
}

/* Custom slow rotation animation */
@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.animate-spin-slow {
    animation: spin-slow 22s linear infinite;
}