/* forms */
.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.section-head {
    margin-bottom: 2.5rem;
}

.section-head h2,
.section-centered h2,
.centered-small h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5.5vw, 2.9rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    position: relative;
    line-height: 1.1;
}

.section-centered > .label-tech {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.section-centered > h2 {
    margin-bottom: 1rem;
}


.section-centered {
    max-width: 960px;
    margin: 0 auto;
}

.filter-ui {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
    .filter-ui {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
}


.filter-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.active-filters {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted-text);
}

.clear-filters {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* form element reset - cross-browser consistency */
/* unified form reset */
input,
select,
textarea,
button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

/* select element normalization */
select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

select::-ms-expand {
    display: none;
}

.input-tech {
    width: 100%;
    height: 52px;
    padding: 0 1.25rem;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    outline: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: var(--radius-md);
    box-sizing: border-box;
}

.input-tech:focus {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 78, 204, 0.06);
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    height: 44px;
    padding: 0 1.1rem;
    border: 1.5px solid rgba(15, 20, 25, 0.15);
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-color);
    outline: none;
    transition:
        border-color 0.25s ease,
        background-color 0.25s ease,
        box-shadow 0.3s var(--ease-out-expo);
    border-radius: var(--radius-md);
    background: #ffffff;
    box-sizing: border-box;
}

.input-group input::placeholder,
.input-group textarea::placeholder {
    color: #64748b;
    opacity: 1;
}

.input-group textarea {
    height: auto;
    min-height: 80px;
    padding: 0.75rem 1.1rem;
    resize: vertical;
}

.input-group input:hover:not(:focus),
.input-group select:hover:not(:focus),
.input-group textarea:hover:not(:focus) {
    background: rgba(15, 20, 25, 0.055);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    border-color: var(--accent-color);
    background: var(--panel-bg);
    box-shadow:
        0 0 0 4px rgba(var(--accent-rgb), 0.12),
        0 10px 28px rgba(var(--accent-rgb), 0.08);
}

.input-group:focus-within label {
    color: var(--accent-color);
}

.input-group.invalid input,
.input-group.invalid select,
.input-group.invalid textarea {
    border-color: #c62828;
    background: rgba(198, 40, 40, 0.03);
    box-shadow: 0 0 0 4px rgba(198, 40, 40, 0.1);
}

.input-group.invalid {
    animation: fieldShake 0.4s var(--ease-out-expo);
}

@keyframes fieldShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(5px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(2px); }
}

@media (prefers-reduced-motion: reduce) {
    .input-group.invalid {
        animation: none;
    }
}

.input-error {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: #c62828;
    min-height: 0.8rem;
    letter-spacing: 0.05em;
}

.input-error:not(:empty) {
    animation: errorSlideIn 0.3s var(--ease-out-expo);
}

@keyframes errorSlideIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--muted-text);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.results-status {
    color: var(--accent-color);
    letter-spacing: 0.08em;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 640px) {
    .grid-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}




/* item card enhancement */
/* item card enhancement */
.item-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0;
    /* remove padding from container to let image bleed */
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-soft);
    text-align: left;
    /* ensure text aligns left */
    height: 100%;
    /* fill grid cell */
}

.item-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(0, 106, 255, 0.05), transparent);
    transition: left 0.5s;
    z-index: 2;
    pointer-events: none;
}

.item-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-medium);
}

.card-image-wrap {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #f0f0f0;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.item-card:hover .card-thumb {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent-color);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: flex;
    justify-content: space-between;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    transition: color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    letter-spacing: -0.01em;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-card:hover .card-title {
    color: var(--accent-color);
}

.card-desc {
    font-size: 0.85rem;
    color: var(--muted-text);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--muted-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: auto;
    /* push to bottom */
    width: 100%;
}

.card-footer span:first-child {
    color: var(--text-color);
    font-weight: 700;
}

/* form styles enhancement */
.tech-form {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px) saturate(1.3);
    -webkit-backdrop-filter: blur(20px) saturate(1.3);
    padding: 1.75rem 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 28px;
    box-shadow:
        0 40px 90px rgba(15, 20, 25, 0.08),
        0 12px 30px rgba(var(--accent-rgb), 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
    overflow: hidden;
}

@media (max-width: 768px) {
    .tech-form {
        padding: 1.5rem 1.25rem;
        gap: 1rem;
        border-radius: 20px;
    }
}


.section-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    font-weight: 500;
    color: var(--ink-3);
    margin: 1rem 0 0.25rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.section-divider::before {
    content: '';
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent-color);
    flex-shrink: 0;
}

.section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}


.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.input-group.required label::after {
    content: " *";
    color: #c62828;
}

.input-group label {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--ink-2);
    transition: color 0.25s ease;
}

/* file upload ui */
.file-upload-ui {
    position: relative;
    width: 100%;
    min-height: 110px;
    border: 1.5px dashed rgba(15, 20, 25, 0.18);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
    cursor: pointer;
    transition:
        border-color 0.3s ease,
        background-color 0.3s ease,
        transform 0.3s var(--ease-out-expo),
        box-shadow 0.3s var(--ease-out-expo);
    background: rgba(15, 20, 25, 0.02);
}

.file-upload-ui:hover,
.file-upload-ui:focus-within {
    border-color: var(--accent-color);
    background: rgba(var(--accent-rgb), 0.03);
}

.file-upload-ui:hover::before {
    transform: translateY(-3px) scale(1.06);
    color: var(--accent-color);
    border-color: rgba(var(--accent-rgb), 0.4);
}

/* drag-over state set by micro-interactions.js */
.file-upload-ui.dragover {
    border-color: var(--accent-color);
    border-style: solid;
    background: rgba(var(--accent-rgb), 0.06);
    transform: scale(1.015);
    box-shadow: 0 12px 32px rgba(var(--accent-rgb), 0.12);
}

.file-upload-ui input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.file-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--muted-text);
    pointer-events: none;
    text-align: center;
}

.file-upload-ui::before {
    content: '+';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1.5px solid rgba(15, 20, 25, 0.12);
    background: #fff;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--ink-3);
    font-weight: 300;
    transition:
        transform 0.3s var(--ease-out-expo),
        color 0.3s ease,
        border-color 0.3s ease;
}

.file-upload-ui.has-image::before,
.file-upload-ui.has-image .file-label {
    display: none;
}

.photo-preview {
    max-width: 100%;
    max-height: 180px;
    /* reduced specific height */
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    /* soft shadow */
    margin-top: 1rem;
    border: 1px solid var(--border-color);
}

.photo-preview.hidden {
    display: none;
}

/* submit button inside redesigned forms gradient brand blue */
.tech-form .btn-primary {
    min-height: 54px;
    border-radius: 14px;
    background: var(--accent-color);
    box-shadow: 0 10px 24px rgba(var(--accent-rgb), 0.28);
    margin-top: 0.5rem;
}

.tech-form .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -80%;
    width: 50%;
    height: 100%;
    background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transform: skewX(-20deg);
    transition: left 0.6s var(--ease-out-expo);
    pointer-events: none;
}

.tech-form .btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(var(--accent-rgb), 0.38);
}

.tech-form .btn-primary:hover::before {
    left: 130%;
}

.tech-form .btn-primary:focus-visible {
    outline: 2px solid var(--text-color);
    outline-offset: 3px;
}