/* =========================================================
   Component: navbar
   Layout: two rows desktop / one row mobile + drawer
   Sticky + shrink on scroll
   ========================================================= */

.navbar {
	position: sticky;
	top: 0;
	z-index: var(--z-header);
	background: var(--color-bg-base);
	border-bottom: 1px solid var(--color-border-default);
	transition: box-shadow var(--duration-base) var(--easing-default);
}
.navbar.is-scrolled {
	box-shadow: var(--shadow-sm);
}

/* ---------- Row 1 ---------- */
.navbar__row--main {
	background: var(--color-bg-base);
}
.navbar__inner {
	display: grid;
	grid-template-columns: auto auto 1fr auto auto;
	align-items: center;
	gap: var(--space-4);
	min-height: 80px;
	padding-block: var(--space-3);
	transition: min-height var(--duration-base) var(--easing-default);
}
.navbar.is-scrolled .navbar__inner { min-height: 64px; }

.navbar__hamburger {
	display: none;
	width: 44px;
	height: 44px;
	align-items: center;
	justify-content: center;
	color: var(--color-ink-primary);
	border-radius: var(--radius-sm);
}
.navbar__hamburger:hover { background: var(--color-bg-subtle); }
.navbar__hamburger:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

.navbar__brand {
	display: flex;
	align-items: center;
}
.navbar__brand .site-wordmark { font-size: 1.75rem; }
.navbar__brand img { max-height: 44px; width: auto; }

/* Search */
.navbar__search {
	position: relative;
	max-width: 540px;
	width: 100%;
	justify-self: stretch;
}
.navbar__search-icon {
	position: absolute;
	left: 14px; top: 50%;
	transform: translateY(-50%);
	color: var(--color-ink-muted);
	pointer-events: none;
	display: flex;
}
.navbar__search-input {
	width: 100%;
	height: 44px;
	padding: 0 var(--space-4) 0 44px;
	border: 1px solid var(--color-border-default);
	border-radius: var(--radius-pill);
	background: var(--color-bg-surface);
	color: var(--color-ink-primary);
	font-size: var(--fs-body-s);
	transition: border-color var(--duration-fast) var(--easing-default),
	            box-shadow var(--duration-fast) var(--easing-default);
}
.navbar__search-input::placeholder { color: var(--color-ink-muted); }
.navbar__search-input:hover { border-color: var(--color-ink-muted); }
.navbar__search-input:focus { outline: none; border-color: var(--color-brand-primary); box-shadow: var(--shadow-focus); }

/* Shortcuts */
.navbar__shortcuts {
	display: flex;
	gap: var(--space-1);
	align-items: center;
}
.navbar__shortcut {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: 8px 12px;
	border-radius: var(--radius-sm);
	color: var(--color-ink-primary);
	text-decoration: none;
	font-size: var(--fs-body-s);
	font-weight: 500;
	transition: background var(--duration-fast) var(--easing-default);
}
.navbar__shortcut:hover { background: var(--color-bg-subtle); }
.navbar__shortcut-icon { display: flex; color: var(--color-brand-primary); }
.navbar__shortcut-label { white-space: nowrap; }

@media (max-width: 1100px) {
	.navbar__shortcut-label { display: none; }
	.navbar__shortcut { padding: 8px; }
}

/* Actions */
.navbar__actions {
	display: flex;
	align-items: center;
	gap: 2px;
}
.navbar__action {
	position: relative;
	display: inline-flex;
	width: 44px; height: 44px;
	align-items: center;
	justify-content: center;
	color: var(--color-ink-primary);
	border-radius: var(--radius-sm);
	text-decoration: none;
	transition: background var(--duration-fast) var(--easing-default);
}
.navbar__action:hover { background: var(--color-bg-subtle); color: var(--color-brand-primary); }
.navbar__action:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

.navbar__cart-count {
	position: absolute;
	top: 4px; right: 4px;
	min-width: 18px; height: 18px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 5px;
	border-radius: 999px;
	background: var(--color-accent);
	color: var(--color-bg-surface);
	font-size: 11px;
	font-weight: 600;
	line-height: 1;
}
.navbar__cart-count[hidden] { display: none; }

/* ---------- Row 2 — species nav ---------- */
.navbar__row--nav {
	border-top: 1px solid var(--color-border-default);
	background: var(--color-bg-base);
}
.species-nav {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-1);
	list-style: none;
	margin: 0;
	padding: 0;
	min-height: 48px;
}
.species-nav__item { margin: 0; }

.species-nav__trigger,
.species-nav__link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 12px 16px;
	font-family: var(--font-body);
	font-size: var(--fs-body);
	font-weight: 500;
	color: var(--color-ink-primary);
	text-decoration: none;
	border-radius: var(--radius-sm);
	transition: background var(--duration-fast) var(--easing-default),
	            color var(--duration-fast) var(--easing-default);
}
.species-nav__trigger:hover,
.species-nav__link:hover,
.species-nav__item.is-open .species-nav__trigger {
	background: var(--color-bg-subtle);
	color: var(--color-brand-primary);
}
.species-nav__trigger:focus-visible,
.species-nav__link:focus-visible {
	outline: none;
	box-shadow: var(--shadow-focus);
}

.species-nav__chevron {
	display: inline-flex;
	transition: transform var(--duration-fast) var(--easing-default);
}
.species-nav__item.is-open .species-nav__chevron { transform: rotate(180deg); }

/* ---------- Mega-menu panel ---------- */
.megamenu {
	position: absolute;
	left: 0; right: 0;
	top: 100%;
	background: var(--color-bg-surface);
	border-top: 1px solid var(--color-border-default);
	border-bottom: 1px solid var(--color-border-default);
	box-shadow: var(--shadow-md);
	opacity: 0;
	transform: translateY(-4px);
	pointer-events: none;
	transition: opacity var(--duration-base) var(--easing-default),
	            transform var(--duration-base) var(--easing-default);
}
.megamenu[hidden] { display: none; }
.species-nav__item.is-open .megamenu {
	opacity: 1;
	transform: translateY(0);
	pointer-events: auto;
}

.megamenu__inner {
	display: grid;
	grid-template-columns: 1fr 280px;
	gap: var(--space-7);
	padding-block: var(--space-6);
}
@media (max-width: 1100px) {
	.megamenu__inner { grid-template-columns: 1fr 240px; gap: var(--space-5); }
}

.megamenu__columns {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: var(--space-6);
}
.megamenu__column-title {
	color: var(--color-ink-muted);
	margin: 0 0 var(--space-3);
}
.megamenu__links {
	list-style: none;
	margin: 0; padding: 0;
}
.megamenu__links li { margin: 0; }
.megamenu__links a {
	display: block;
	padding: 6px 0;
	color: var(--color-ink-primary);
	text-decoration: none;
	font-size: var(--fs-body-s);
	transition: color var(--duration-fast) var(--easing-default);
}
.megamenu__links a:hover { color: var(--color-brand-primary); }

.megamenu__feature {
	display: flex;
	flex-direction: column;
	gap: var(--space-3);
}
.megamenu__feature-image {
	position: relative;
	display: block;
	aspect-ratio: 4 / 5;
	border-radius: var(--radius-md);
	overflow: hidden;
	text-decoration: none;
	color: var(--color-ink-inverse);
	background: var(--color-bg-subtle);
}
.megamenu__feature-placeholder {
	position: absolute; inset: 0;
	background:
		linear-gradient(135deg, rgba(28,38,32,0.05) 0%, rgba(28,38,32,0.25) 100%),
		var(--color-secondary-soft);
}
.megamenu__feature-label {
	position: absolute;
	left: var(--space-4); bottom: var(--space-4);
	font-family: var(--font-display);
	font-size: 1.125rem;
	color: var(--color-bg-base);
	font-weight: 500;
	text-shadow: 0 1px 8px rgba(0,0,0,0.25);
}
.megamenu__feature-cta {
	font-size: var(--fs-body-s);
	font-weight: 600;
	color: var(--color-brand-primary);
	text-decoration: underline;
	text-underline-offset: 3px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
	.navbar__inner {
		grid-template-columns: auto auto 1fr auto;
		gap: var(--space-2);
		min-height: 64px;
	}
	.navbar__hamburger { display: inline-flex; }
	.navbar__search { display: none; }
	.navbar__shortcuts { display: none; }
	.navbar__action--user,
	.navbar__action[aria-label="Favoritos"] { display: none; }
	.navbar__row--nav { display: none; }
}

/* ---------- Drawer (mobile) ---------- */
.drawer-backdrop {
	position: fixed;
	inset: 0;
	background: rgba(28, 38, 32, 0.45);
	z-index: var(--z-overlay);
	opacity: 0;
	transition: opacity var(--duration-base) var(--easing-default);
}
.drawer-backdrop.is-visible { opacity: 1; }
.drawer-backdrop[hidden] { display: none; }

.drawer {
	position: fixed;
	top: 0; left: 0;
	width: min(360px, 88vw);
	height: 100dvh;
	background: var(--color-bg-base);
	z-index: var(--z-modal);
	transform: translateX(-100%);
	transition: transform var(--duration-base) var(--easing-default);
	display: flex;
	flex-direction: column;
	overflow-y: auto;
	overscroll-behavior: contain;
}
.drawer[aria-hidden="false"] { transform: translateX(0); }

.drawer__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--space-4);
	border-bottom: 1px solid var(--color-border-default);
}
.drawer__close {
	width: 40px; height: 40px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--color-ink-primary);
	border-radius: var(--radius-sm);
}
.drawer__close:hover { background: var(--color-bg-subtle); }

.drawer__search {
	position: relative;
	padding: var(--space-4);
	border-bottom: 1px solid var(--color-border-default);
}
.drawer__search-icon {
	position: absolute;
	left: calc(var(--space-4) + 14px); top: 50%;
	transform: translateY(-50%);
	color: var(--color-ink-muted);
	pointer-events: none;
	display: flex;
}
.drawer__search-input {
	width: 100%;
	height: 44px;
	padding: 0 var(--space-4) 0 44px;
	border: 1px solid var(--color-border-default);
	border-radius: var(--radius-pill);
	background: var(--color-bg-surface);
	color: var(--color-ink-primary);
	font-size: var(--fs-body-s);
}
.drawer__search-input:focus { outline: none; border-color: var(--color-brand-primary); box-shadow: var(--shadow-focus); }

.drawer__nav { padding: var(--space-2) 0 var(--space-7); flex: 1; }
.drawer__list { list-style: none; margin: 0; padding: 0; }
.drawer__item { margin: 0; }

.drawer__link,
.drawer__accordion-trigger {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 14px var(--space-4);
	font-family: var(--font-body);
	font-size: 1.0625rem;
	color: var(--color-ink-primary);
	text-decoration: none;
	text-align: left;
	transition: background var(--duration-fast) var(--easing-default);
}
.drawer__link:hover,
.drawer__accordion-trigger:hover { background: var(--color-bg-subtle); }
.drawer__link:focus-visible,
.drawer__accordion-trigger:focus-visible {
	outline: none;
	background: var(--color-bg-subtle);
}
.drawer__link--icon { gap: var(--space-3); }
.drawer__link--icon > span:first-child { display: inline-flex; color: var(--color-brand-primary); }

.drawer__chevron {
	transition: transform var(--duration-fast) var(--easing-default);
	color: var(--color-ink-muted);
}
.drawer__accordion-trigger[aria-expanded="true"] .drawer__chevron { transform: rotate(180deg); }

.drawer__accordion-panel {
	padding: var(--space-2) var(--space-4) var(--space-4);
	background: var(--color-bg-subtle);
}
.drawer__accordion-panel[hidden] { display: none; }
.drawer__see-all {
	display: inline-block;
	margin-bottom: var(--space-3);
	font-size: var(--fs-body-s);
	font-weight: 600;
	color: var(--color-brand-primary);
}
.drawer__group { margin-top: var(--space-3); }
.drawer__group-title { color: var(--color-ink-muted); margin: 0 0 var(--space-2); }
.drawer__sublinks { list-style: none; margin: 0; padding: 0; }
.drawer__sublinks li { margin: 0; }
.drawer__sublinks a {
	display: block;
	padding: 8px 0;
	font-size: var(--fs-body-s);
	color: var(--color-ink-primary);
	text-decoration: none;
}
.drawer__sublinks a:hover { color: var(--color-brand-primary); }

.drawer__divider {
	border: 0;
	border-top: 1px solid var(--color-border-default);
	margin: var(--space-3) 0;
}

body.has-drawer-open {
	overflow: hidden;
}