/* Explain: Component styles and interactions for the custom printing site. */
.site-header {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(14px);
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0;
    color: var(--text-color);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: color 300ms ease;
}

.nav-link::after {
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    content: "";
    transition: width 300ms ease;
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--gold);
}

.nav-link:hover::after,
.nav-link.is-active::after {
    width: 100%;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 55;
    min-width: 15rem;
    padding: 0.5rem;
    border: 1px solid var(--glass-border);
    background: var(--surface-color);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(6px);
    transition: opacity 200ms ease, transform 200ms ease, visibility 200ms ease;
}

.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-panel a {
    display: block;
    padding: 0.6rem 0.9rem;
    color: var(--text-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: background 200ms ease, color 200ms ease;
}

.nav-dropdown-panel a:hover {
    background: var(--surface-raised);
    color: var(--gold);
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.6rem;
    min-height: 2.6rem;
    border: 1px solid transparent;
    color: var(--text-color);
    font-size: 1rem;
    transition: all 300ms ease;
}

.icon-btn:hover {
    border-color: var(--border-color);
    color: var(--gold);
}

.btn-gold,
.btn-outline-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 3rem;
    padding: 0.9rem 1.7rem;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: all 300ms ease;
}

.btn-gold {
    border: 1px solid var(--gold);
    background: var(--gold);
    color: #0B0B0B;
}

.btn-gold:hover {
    border-color: var(--gold-light);
    background: var(--gold-light);
    box-shadow: var(--shadow-button);
}

.btn-outline-gold {
    border: 1px solid var(--gold);
    background: transparent;
    color: var(--gold);
}

.btn-outline-gold:hover {
    background: var(--gold);
    color: #0B0B0B;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    padding: 1.6rem 0.5rem;
    text-align: center;
}

.tech-item i {
    color: var(--gold);
    font-size: 1.7rem;
}

.tech-label {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.tech-item .tech-label {
    color: var(--text-color);
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    transition: transform 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
}

.service-card:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-soft);
    transform: translateY(-6px);
}

.service-card .card-media {
    overflow: hidden;
}

.service-card .card-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 500ms ease;
}

.service-card:hover .card-media img {
    transform: scale(1.06);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.field-input,
.field-select,
.field-textarea {
    width: 100%;
    border: 1px solid var(--border-color);
    background: var(--field-bg);
    color: var(--text-color);
    padding: 0.9rem 1rem;
    font-family: var(--font-body);
    transition: border-color 300ms ease, background 300ms ease;
}

.field-input::placeholder,
.field-textarea::placeholder {
    color: #6f6f6f;
}

.field-input:focus,
.field-select:focus,
.field-textarea:focus {
    border-color: var(--gold);
    background: rgba(255, 255, 255, 0.06);
    outline: none;
}

.field-select option {
    background: var(--surface-color);
    color: var(--text-color);
}

.form-status.success {
    color: var(--gold-light);
}

.form-status.error {
    color: #E0736A;
}

.cart-drawer {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: none;
}

.cart-drawer.is-open {
    display: block;
}

.cart-drawer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(4px);
}

.cart-panel {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: min(100%, 27rem);
    overflow-y: auto;
    border-left: 1px solid var(--border-color);
    background: var(--surface-color);
    padding: 1.5rem;
    box-shadow: -30px 0 90px rgba(0, 0, 0, 0.5);
}

@media (max-width: 1023px) {
    .tech-item {
        border-color: var(--border-color);
    }
}