/* ═══════════════════════════════════════════════════════════════
   projects.css — Projects Section
   ═══════════════════════════════════════════════════════════════ */

.projects-section {
    padding: var(--space-section-py) var(--space-section-px);
    background: var(--color-bg-section);
    text-align: center;
}

/* ── Label ── */
.projects-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--space-md);
}

.projects-label img {
    width: 28px;
}

.projects-label span {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-size: var(--label-span-font-size);
    font-weight: var(--label-span-font-weight);
    letter-spacing: var(--label-span-letter-spacing);
    text-transform: uppercase;
}

/* ── Heading ── */
.projects-heading {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7.2rem);
    font-weight: 900;
    color: var(--color-dark);
    text-transform: uppercase;
    letter-spacing: 6px;
    margin-bottom: var(--space-xl);
    line-height: 1;
    margin-top: 0;
}

/* ── Filter Bar ── */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-inter);
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-dark);

    padding: 10px 24px;
    border-radius: 999px;
    border: 2px solid transparent;
    background: #fff;

    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
    white-space: nowrap;
}

.filter-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ── Grid ── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.project-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition:
        transform 0.4s var(--transition-ease),
        box-shadow 0.4s var(--transition-ease),
        opacity 0.4s ease,
        scale 0.4s ease;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/5;
    opacity: 1;
    scale: 1;
}

.project-card.hide-anim {
    opacity: 0;
    scale: 0.9;
    pointer-events: none;
}

/* ── Project Card Overlay ── */
.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.92) 0%,
        rgba(0, 0, 0, 0.55) 45%,
        rgba(0, 0, 0, 0) 100%
    );
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.35s ease,
        transform 0.35s ease;
    border-radius: inherit;
    box-sizing: border-box;
}

.project-card:hover .project-overlay {
    opacity: 1;
    transform: translateY(0);
}

/* ── Figma Badge for Designing Projects ── */
.project-figma-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px 12px;
    border-radius: 99px;
    font-family: var(--font-inter);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--color-dark);
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 5;
    transition:
        opacity 0.3s ease,
        transform 0.2s ease;
}

.project-figma-badge:hover {
    transform: scale(1.05);
}

.figma-badge-icon {
    width: 14px;
    height: 14px;
}

/* Hide Figma Badge when overlay appears */
.project-card:hover .project-figma-badge {
    opacity: 0;
    pointer-events: none;
}

/* ══════════════════════
   Square Icon Buttons
══════════════════════ */
.overlay-icon-row {
    display: flex;
    flex-direction: row;
    gap: 12px;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(10px);
    transition:
        opacity 0.3s ease,
        transform 0.3s ease;
    transition-delay: 0s;
}

.project-card:hover .overlay-icon-row {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s; /* Wait for the overlay to animate in first */
}

.overlay-square-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1); /* Increased opacity for visibility */
    border: 1px solid rgba(255, 255, 255, 0.4); /* Increased border opacity */
    backdrop-filter: blur(1px); /* Less blur */
    -webkit-backdrop-filter: blur(2px);
    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-sizing: border-box;
}

.overlay-square-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.square-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
    filter: brightness(0) invert(1); /* Ensure icons are white */
}

.project-screenshot {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* ── Load more ── */
.load-more-wrap {
    text-align: center;
    margin-top: 2.5rem;
}

#load-more-btn {
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* Visibility toggle (used by JS instead of style.display) */
.is-hidden {
    display: none;
}

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */

/* Tablet: 2-col grid */
@media (max-width: 1100px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large mobile */
@media (max-width: 640px) {
    .projects-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }

    .projects-heading {
        font-size: 2.5rem;
    }

    .projects-label span {
        font-size: 18px;
    }

    /* Filter: horizontal scroll on mobile */
    .projects-filter {
        overflow-x: auto;
        gap: 10px;
        padding-bottom: 6px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .projects-filter::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        padding: 8px 14px;
        font-size: 0.85rem;
        flex-shrink: 0;
    }

    /* Overlay: Square icons on mobile */
    .project-overlay {
        padding: 8px;
    }

    .overlay-icon-row {
        gap: 8px;
    }

    .overlay-square-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
    }

    .square-logo {
        width: 18px;
        height: 18px;
    }

    #load-more-btn {
        font-size: 0.9rem;
    }
}

/* Very small screens: single column */
@media (max-width: 360px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}