/* Explain: Styles for custom buttons, cards, navigation, and modal behavior. */
.site-header {
    background: rgba(247, 245, 242, 0.94);
    transition: box-shadow 260ms ease, background 260ms ease;
}

.site-header.is-scrolled {
    box-shadow: 0 14px 40px rgba(28, 27, 25, 0.10);
}

.nav-link {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-color);
    transition: color 220ms ease;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--accent-color);
}

.mobile-nav-link {
    display: flex;
    min-height: 48px;
    align-items: center;
    border-radius: 0.75rem;
    padding: 0 1rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--text-color);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
    background: var(--surface-color);
    color: var(--accent-color);
}

.eyebrow {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    line-height: 1.4;
    text-transform: uppercase;
}

.shop-btn-primary {
    border: 0;
    background: var(--ink-color);
    color: var(--cream-color);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: transform 260ms ease, background 260ms ease, box-shadow 260ms ease;
}

.shop-btn-primary:hover,
.shop-btn-primary:focus {
    background: var(--accent-color);
    box-shadow: 0 16px 36px rgba(156, 107, 74, 0.28);
    transform: translateY(-2px);
}

.shop-btn-ghost {
    border: 1px solid rgba(247, 245, 242, 0.5);
    background: rgba(247, 245, 242, 0.08);
    color: var(--cream-color);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: transform 260ms ease, background 260ms ease, border-color 260ms ease;
}

.shop-btn-ghost:hover,
.shop-btn-ghost:focus {
    border-color: var(--cream-color);
    background: rgba(247, 245, 242, 0.18);
    transform: translateY(-2px);
}

.shop-btn-cream {
    border: 0;
    background: var(--cream-color);
    color: var(--ink-color);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: transform 260ms ease, background 260ms ease;
}

.shop-btn-cream:hover,
.shop-btn-cream:focus {
    background: var(--accent-hover);
    color: var(--ink-color);
    transform: translateY(-2px);
}

.shop-btn-outline {
    border: 1px solid var(--ink-color);
    background: transparent;
    color: var(--ink-color);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: background 260ms ease, color 260ms ease;
}

.shop-btn-outline:hover,
.shop-btn-outline:focus {
    background: var(--ink-color);
    color: var(--cream-color);
}

.product-card {
    position: relative;
    display: flex;
    height: 100%;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--card-color);
    transition: transform 320ms ease, box-shadow 320ms ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
}

.product-media {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--surface-color);
}

.product-media img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform 700ms ease;
}

.product-card:hover .product-media img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 0.9rem;
    left: 0.9rem;
    border-radius: 999px;
    background: var(--ink-color);
    padding: 0.35rem 0.85rem;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cream-color);
}

.filter-chip {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    padding: 0 1.2rem;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-color);
    cursor: pointer;
    transition: background 220ms ease, color 220ms ease, border-color 220ms ease;
}

.filter-chip:hover {
    border-color: var(--ink-color);
}

.filter-chip.is-active {
    background: var(--ink-color);
    border-color: var(--ink-color);
    color: var(--cream-color);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.size-option {
    display: inline-flex;
    min-width: 3rem;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    padding: 0 0.9rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.size-option:hover {
    border-color: var(--ink-color);
}

.size-option.is-active {
    background: var(--ink-color);
    border-color: var(--ink-color);
    color: var(--cream-color);
}

.gallery-thumb {
    overflow: hidden;
    border-radius: 0.9rem;
    border: 1px solid var(--border-color);
    opacity: 0.65;
    cursor: pointer;
    transition: border-color 200ms ease, opacity 200ms ease;
}

.gallery-thumb.is-active {
    border-color: var(--ink-color);
    opacity: 1;
}

.status-success {
    background: rgba(28, 92, 70, 0.1);
    color: #1C5C46;
}

.status-error {
    background: rgba(184, 51, 51, 0.12);
    color: #8F2424;
}

.line-sep {
    border-top: 1px solid var(--border-color);
}

.product-monogram {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 3.4rem;
    line-height: 1;
    letter-spacing: 0.16em;
    color: rgba(28, 27, 25, 0.16);
    transition: color 320ms ease, transform 720ms ease;
}

.product-card:hover .product-monogram {
    color: rgba(156, 107, 74, 0.55);
    transform: scale(1.05);
}

.idea-modal {
    display: none;
}

.idea-modal.is-open {
    display: flex;
}