/*
 * Kuvani Premium — Components layer
 * Buttons, header/nav, mobile menu, product/category/blog cards, forms.
 */

/* ---------------- Buttons ---------------- */
.kv-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.95rem 2.1rem;
	min-height: 44px;
	font-size: var(--kv-small);
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	border-radius: var(--kv-radius);
	border: 1px solid transparent;
	transition: background-color var(--kv-transition), color var(--kv-transition), border-color var(--kv-transition), transform var(--kv-transition);
}
.kv-btn--primary {
	background-color: var(--kv-accent);
	color: var(--kv-black);
}
.kv-btn--primary:hover {
	background-color: var(--kv-white);
	transform: translateY(-2px);
}
.kv-btn--ghost {
	background-color: transparent;
	color: var(--kv-text);
	border-color: currentColor;
}
.kv-btn--ghost:hover {
	background-color: var(--kv-text);
	color: var(--kv-bg);
}

/* ---------------- Icon buttons ---------------- */
.kv-icon-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	position: relative;
	color: var(--kv-text);
	transition: color var(--kv-transition), opacity var(--kv-transition);
}
.kv-icon-btn:hover {
	color: var(--kv-accent-text);
}

/* ---------------- Header ---------------- */
.kv-header {
	position: sticky;
	top: 0;
	z-index: 999;
	width: 100%;
	background-color: var(--kv-bg);
	border-bottom: 1px solid var(--kv-border);
	transition: background-color var(--kv-transition), border-color var(--kv-transition), box-shadow var(--kv-transition);
}
.kv-header--transparent {
	background-color: transparent;
	border-bottom-color: transparent;
	position: absolute;
}
.kv-header.kv-header--scrolled {
	background-color: var(--kv-bg);
	border-bottom-color: var(--kv-border);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.kv-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	height: 84px;
	transition: height var(--kv-transition);
}
.kv-header.kv-header--scrolled .kv-header__inner {
	height: 68px;
}

.kv-header__logo-text {
	font-family: var(--kv-font-heading);
	font-size: 1.5rem;
	letter-spacing: 0.02em;
	text-transform: uppercase;
}

.kv-nav__list {
	display: flex;
	align-items: center;
	gap: 2.25rem;
}
.kv-nav__list a {
	font-size: var(--kv-small);
	font-weight: 500;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	position: relative;
	padding-block: 0.35rem;
}
.kv-nav__list a::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: 0;
	width: 0;
	height: 1px;
	background-color: var(--kv-accent);
	transition: width var(--kv-transition);
}
.kv-nav__list a:hover::after,
.kv-nav__list .current-menu-item > a::after {
	width: 100%;
}

.kv-header__actions {
	display: flex;
	align-items: center;
	gap: 0.25rem;
}

.kv-cart-toggle {
	position: relative;
}
.kv-cart-count {
	position: absolute;
	top: 2px;
	right: 2px;
	min-width: 16px;
	height: 16px;
	border-radius: 50%;
	background-color: var(--kv-accent);
	color: var(--kv-black);
	font-size: 10px;
	font-weight: 700;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	line-height: 1;
}

.kv-menu-toggle {
	display: none;
}

/* ---------------- Mobile menu ---------------- */
.kv-mobile-menu {
	position: fixed;
	inset: 0;
	z-index: 1200;
	background-color: var(--kv-bg);
	transform: translateX(100%);
	transition: transform var(--kv-transition);
	visibility: hidden;
}
.kv-mobile-menu.is-open {
	transform: translateX(0);
	visibility: visible;
}
.kv-mobile-menu__inner {
	padding: 6rem 2rem 2rem;
	height: 100%;
	overflow-y: auto;
}
.kv-mobile-menu__close {
	position: absolute;
	top: 1.25rem;
	right: 1.25rem;
}
.kv-mobile-menu__list li {
	border-bottom: 1px solid var(--kv-border);
}
.kv-mobile-menu__list a {
	display: block;
	padding: 1.1rem 0;
	font-family: var(--kv-font-heading);
	font-size: 1.5rem;
}

@media (max-width: 900px) {
	.kv-nav {
		display: none;
	}
	.kv-menu-toggle {
		display: inline-flex;
	}
}

/* ---------------- Search overlay ---------------- */
.kv-search-overlay {
	position: fixed;
	inset: 0;
	z-index: 1300;
	background-color: var(--kv-overlay);
	backdrop-filter: blur(12px);
	display: flex;
	align-items: flex-start;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--kv-transition), visibility var(--kv-transition);
}
.kv-search-overlay.is-open {
	opacity: 1;
	visibility: visible;
}
.kv-search-overlay__inner {
	width: min(720px, 92vw);
	margin-top: 12vh;
	position: relative;
}
.kv-search-overlay__close {
	position: absolute;
	top: -60px;
	right: 0;
}
.kv-search-form {
	display: flex;
	align-items: center;
	border-bottom: 1px solid var(--kv-text);
	padding-bottom: 1rem;
	gap: 1rem;
}
.kv-search-form__input {
	flex: 1;
	background: none;
	border: none;
	color: var(--kv-text);
	font-family: var(--kv-font-heading);
	font-size: 1.75rem;
}
.kv-search-form__input::placeholder {
	color: var(--kv-muted);
}

/* ---------------- Cards ---------------- */
.kv-category-card {
	display: block;
	position: relative;
	overflow: hidden;
	aspect-ratio: 4 / 5;
	background-color: rgba(255, 255, 255, 0.04);
}
.kv-category-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}
.kv-category-card:hover .kv-category-card__media img {
	transform: scale(1.06);
}
.kv-category-card__label {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 1.25rem 1.5rem;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.75), transparent);
	color: #fff;
	font-family: var(--kv-font-heading);
	font-size: 1.15rem;
}
.kv-category-card__label svg {
	transition: transform var(--kv-transition);
}
.kv-category-card:hover .kv-category-card__label svg {
	transform: translateX(6px);
}

.kv-product-card {
	position: relative;
}
.kv-product-card__media {
	position: relative;
	aspect-ratio: 4 / 5;
	overflow: hidden;
	background-color: rgba(255, 255, 255, 0.04);
}
.kv-product-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.kv-product-card__image--hover {
	position: absolute;
	inset: 0;
	opacity: 0;
	transition: opacity var(--kv-transition);
}
.kv-product-card:hover .kv-product-card__image--hover {
	opacity: 1;
}
.kv-product-card__badges {
	position: absolute;
	top: 0.75rem;
	left: 0.75rem;
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	z-index: 1;
}
.kv-badge {
	display: inline-block;
	padding: 0.3rem 0.65rem;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	background-color: var(--kv-accent);
	color: var(--kv-black);
}
.kv-badge--out-of-stock {
	background-color: var(--kv-muted);
	color: var(--kv-black);
}
.kv-product-card__body {
	padding-top: 1rem;
}
.kv-product-card__category {
	font-size: 11px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--kv-muted);
	margin-bottom: 0.35rem;
}
.kv-product-card__title {
	font-size: 1rem;
	font-family: var(--kv-font-body);
	font-weight: 500;
	margin-bottom: 0.35rem;
}
.kv-product-card__price {
	font-family: var(--kv-font-heading);
	font-size: 1.05rem;
}
.kv-product-card__price ins {
	text-decoration: none;
	color: var(--kv-accent-text);
}
.kv-product-card__price del {
	color: var(--kv-muted);
	margin-right: 0.4em;
}
.kv-product-card__quick-view {
	position: absolute;
	left: 0.75rem;
	right: 0.75rem;
	bottom: 0.75rem;
	padding: 0.7rem 1rem;
	background-color: rgba(0, 0, 0, 0.78);
	color: var(--kv-white);
	font-size: 11px;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	text-align: center;
	opacity: 0;
	transform: translateY(8px);
	transition: opacity var(--kv-transition), transform var(--kv-transition), background-color var(--kv-transition);
	z-index: 2;
}
.kv-product-card:hover .kv-product-card__quick-view,
.kv-product-card__quick-view:focus-visible {
	opacity: 1;
	transform: translateY(0);
}
.kv-product-card__quick-view:hover {
	background-color: var(--kv-accent);
	color: var(--kv-black);
}
@media (hover: none) {
	/* Touch devices: no hover state, so keep it visible rather than unreachable. */
	.kv-product-card__quick-view {
		opacity: 1;
		transform: none;
		position: static;
		margin-top: 0.5rem;
		background-color: transparent;
		border: 1px solid var(--kv-border);
		color: var(--kv-text);
	}
}

.kv-product-card__actions {
	margin-top: 0.75rem;
}
.kv-product-card__actions a,
.kv-product-card__actions .button {
	display: inline-flex;
	width: 100%;
	justify-content: center;
	padding: 0.75rem 1rem;
	font-size: var(--kv-small);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	border: 1px solid var(--kv-border);
	transition: background-color var(--kv-transition), border-color var(--kv-transition);
}
.kv-product-card__actions a:hover,
.kv-product-card__actions .button:hover {
	background-color: var(--kv-accent);
	border-color: var(--kv-accent);
	color: var(--kv-black);
}

/* ---------------- Blog card ---------------- */
.kv-blog-card__media {
	display: block;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background-color: rgba(255, 255, 255, 0.04);
	margin-bottom: 1rem;
}
.kv-blog-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 700ms ease;
}
.kv-blog-card:hover .kv-blog-card__media img {
	transform: scale(1.04);
}
.kv-blog-card__meta {
	display: flex;
	gap: 0.5rem;
	font-size: var(--kv-small);
	color: var(--kv-muted);
	margin-bottom: 0.5rem;
}
.kv-blog-card__title {
	font-size: 1.35rem;
	margin-bottom: 0.5rem;
}
.kv-blog-card__title a:hover {
	color: var(--kv-accent-text);
}

/* ---------------- Breadcrumbs ---------------- */
.kv-breadcrumbs {
	font-size: var(--kv-small);
	color: var(--kv-muted);
	margin: 1.5rem 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
}
.kv-breadcrumbs a:hover {
	color: var(--kv-accent-text);
}
.kv-breadcrumbs__sep {
	opacity: 0.5;
}

/* ---------------- Forms (comment form, search fallback, etc.) ---------------- */
input[type='text'],
input[type='email'],
input[type='url'],
input[type='search'],
input[type='tel'],
input[type='password'],
textarea,
select {
	width: 100%;
	padding: 0.85rem 1rem;
	min-height: 44px;
	background-color: transparent;
	border: 1px solid var(--kv-border);
	border-radius: var(--kv-radius);
	transition: border-color var(--kv-transition);
}
input:focus,
textarea:focus,
select:focus {
	border-color: var(--kv-accent);
}

/* ---------------- 404 ---------------- */
.kv-404__inner {
	text-align: center;
	padding-block: clamp(4rem, 12vw, 8rem);
}
.kv-404__code {
	font-family: var(--kv-font-heading);
	font-size: clamp(4rem, 12vw, 8rem);
	color: var(--kv-accent-text);
	margin: 0;
	line-height: 1;
}
.kv-404__actions {
	display: flex;
	gap: 1rem;
	justify-content: center;
	margin: 2rem 0;
	flex-wrap: wrap;
}

/* ---------------- Footer ---------------- */
.kv-footer {
	background-color: var(--kv-black);
	color: var(--kv-white);
	border-top: 1px solid var(--kv-border);
	padding-block: var(--kv-section-space);
}
.kv-footer__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: 2.5rem;
}
.kv-footer__brand {
	grid-column: span 2;
	min-width: 240px;
}
.kv-footer__social {
	display: flex;
	gap: 1rem;
	margin-top: 1rem;
}
.kv-footer__nav-list li {
	margin-bottom: 0.6rem;
}
.kv-footer__widget-title,
.kv-widget-title {
	font-size: 1rem;
	margin-bottom: 1rem;
}
.kv-footer__bottom {
	margin-top: 3rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--kv-border);
	font-size: var(--kv-small);
	color: var(--kv-muted);
}

@media (max-width: 1024px) {
	.kv-footer__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (max-width: 560px) {
	.kv-footer__grid {
		grid-template-columns: 1fr;
	}
}

/* ---------------- Newsletter ---------------- */
.kv-newsletter__heading {
	font-size: 1rem;
	margin-bottom: 1rem;
}
.kv-newsletter__embed input[type='email'],
.kv-newsletter__embed input[type='text'] {
	margin-bottom: 0.75rem;
}
.kv-newsletter__embed button,
.kv-newsletter__embed input[type='submit'] {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.85rem 1.5rem;
	min-height: 44px;
	background-color: var(--kv-accent);
	color: var(--kv-black);
	font-size: var(--kv-small);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	border: none;
}