/*-----------------------------------------------------------------------------------

	Klient:			Deko Bistro
	Tier:			T1 Prezentační web
	Postavil:		Riverlab (riverlab.cz)
	Verze:			0.3 (koncept, nový design podle referencí)
	Dodáno:			Listopad 2026

-----------------------------------------------------------------------------------

	OBSAH

	01. Základ a rozvržení
	02. Hlavička a tlačítka
	03. Badge a preview lišta

-----------------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------------
	ZAČÁTEK: 01. Základ a rozvržení
-----------------------------------------------------------------------------------*/

html, body {
	overflow-x: clip;
}

::selection { background: var(--c-apricot-500); color: var(--c-espresso-900); }

.container {
	width: 100%;
	max-width: 76rem;
	margin-inline: auto;
	padding-inline: var(--gutter);
}

.skip-link {
	position: absolute;
	left: 1rem;
	top: -4rem;
	z-index: 100;
	padding: 0.75rem 1rem;
	background: var(--color-dark);
	color: var(--color-on-dark);
	border-radius: 0.5rem;
}
.skip-link:focus { top: 1rem; }

.sekce { padding-block: var(--section-y); position: relative; }
/* dvě světlé sekce za sebou: mezeru dělá jen spodní odsazení první */
.sekce:not(.sekce--vlna) + .sekce:not(.sekce--vlna) { padding-top: 0; }
.sekce--tmava { background: var(--color-dark); color: var(--color-on-dark); }
.sekce--pruh { background: var(--color-band); }

.nadpis {
	font-size: var(--step-2);
	font-weight: 400;
}
.perex { font-size: var(--step-1); line-height: 1.45; max-width: 34ch; }
.text { max-width: var(--measure); }
.text > * + * { margin-top: 1rem; }
.muted { color: var(--color-text-muted); }
.sekce--tmava .muted { color: rgb(253 255 230 / 0.72); }

.foto {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

a.odkaz {
	color: inherit;
	text-decoration: underline;
	text-decoration-thickness: 0.08em;
	text-underline-offset: 0.22em;
}
a.odkaz:hover { color: var(--color-link-hover); }
.sekce--tmava a.odkaz:hover { color: var(--c-apricot-500); }

/*-----------------------------------------------------------------------------------
	KONEC: 01. Základ a rozvržení
-----------------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------------
	ZAČÁTEK: 02. Hlavička a tlačítka
-----------------------------------------------------------------------------------*/

.header {
	position: relative;
	z-index: 50;
	margin: calc(var(--rm) / 2) var(--rm) 0;
	border-radius: 1.5rem;
	background: var(--c-espresso-900) var(--pruhy);
	color: var(--c-paper-50);
}
.header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	height: var(--header-h);
}
.header__logo {
	flex: none;
	font-family: var(--font-heading);
	font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.25rem);
	line-height: 1;
	padding-block: 0.75rem;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	white-space: nowrap;
	color: var(--c-paper-50);
	text-decoration: none;
	transition: color 0.2s, transform 0.3s var(--ease-out);
}
.header__logo:hover { color: var(--c-apricot-500); transform: rotate(-2deg); }
.header__pravo { display: flex; align-items: center; gap: 2rem; }
.nav { display: none; }
.nav ul { display: flex; gap: 2.25rem; margin: 0; padding: 0; list-style: none; }
.nav a { color: var(--c-paper-50); text-decoration: none; font-weight: 500; font-size: var(--step--1); letter-spacing: 0.02em; }
.nav a:hover { color: var(--c-apricot-500); }
.header .btn--obrys { color: var(--c-paper-50); border-color: var(--c-paper-50); }
.header .btn--obrys:hover { background: var(--c-paper-50); color: var(--c-espresso-900); }
@media (min-width: 52rem) {
	.nav { display: block; }
	.header__inner { display: grid; grid-template-columns: 1fr auto 1fr; column-gap: 3rem; }
	.nav--l ul { justify-content: flex-end; }
	.header__pravo { justify-content: space-between; }
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 3rem;
	padding: 0.7rem 1.5rem;
	border-radius: 999px;
	border: 2px solid var(--color-action);
	background: var(--color-action);
	color: var(--color-action-text);
	font-weight: 600;
	font-size: 1.0625rem;
	text-decoration: none;
	transition: background-color 0.2s, border-color 0.2s, transform 0.2s var(--ease-out);
}
.btn:hover { background: var(--color-action-hover); border-color: var(--color-action-hover); color: var(--color-action-text); transform: translateY(-1px); }
.btn:active { transform: scale(0.96); }
.btn--obrys { background: transparent; color: var(--color-text); border-color: var(--color-text); }
.btn--obrys:hover { background: var(--color-text); border-color: var(--color-text); color: var(--color-bg); }
.sekce--tmava .btn--obrys { color: var(--color-on-dark); border-color: var(--color-on-dark); }
.sekce--tmava .btn--obrys:hover { background: var(--color-on-dark); color: var(--color-dark); }
.btn--maly { min-height: 2.75rem; padding: 0.45rem 1.15rem; font-size: 1rem; }
.btn--velke { min-height: 3.5rem; padding-inline: 2rem; font-size: 1.1875rem; }

/*-----------------------------------------------------------------------------------
	KONEC: 02. Hlavička a tlačítka
-----------------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------------
	ZAČÁTEK: 03. Badge a preview lišta
-----------------------------------------------------------------------------------*/

.rl-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	text-decoration: none;
	color: inherit;
	font-size: 11px;
	font-weight: 400;
	letter-spacing: 0.02em;
	opacity: 0.5;
	transition: opacity 0.2s ease, color 0.2s ease;
}
.rl-badge:hover { opacity: 1; color: #A78BFA; }
.rl-badge svg { flex-shrink: 0; }

/* preview overlay: vzhled Riverlabu podle sablona-preview-overlay.md, vlastní písmo systémové (CSP) */
.rvl-preview-bar {
	position: fixed; left: 0; right: 0; bottom: 0; z-index: 999999;
	display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
	padding: 10px 20px; padding-bottom: calc(10px + env(safe-area-inset-bottom));
	background: #161220; border-top: 3px solid #8B5CF6; box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.25);
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.rvl-preview-bar svg { width: 21px; height: 20px; flex-shrink: 0; }
.rvl-preview-bar strong { color: #A78BFA; font-weight: 700; }
.rvl-preview-text { margin: 0; color: #F5F3FF; font-size: clamp(12px, 2.5vw, 14px); line-height: 1.4; text-align: center; }
.rvl-preview-close { background: transparent; border: none; color: #F5F3FF; font-size: 22px; line-height: 1; cursor: pointer; padding: 2px 8px; margin-left: 4px; flex-shrink: 0; opacity: 0.65; transition: opacity 0.2s ease; }
.rvl-preview-close:hover { opacity: 1; }
.rvl-preview-bar[hidden] { display: none; }

/*-----------------------------------------------------------------------------------
	KONEC: 03. Badge a preview lišta
-----------------------------------------------------------------------------------*/


/* varianty tlačítek podle podkladu */
.btn--tmave { background: var(--c-espresso-900); border-color: var(--c-espresso-900); color: var(--c-paper-50); }
.btn--tmave:hover { background: var(--c-espresso-800); border-color: var(--c-espresso-800); color: var(--c-paper-50); }
.btn--svetle { background: var(--c-paper-50); border-color: var(--c-paper-50); color: var(--c-espresso-900); }
.btn--svetle:hover { background: var(--c-apricot-500); border-color: var(--c-apricot-500); color: var(--c-espresso-900); }
.btn { font-family: var(--font-body); }
.nadpis, .hero__nadpis, .kontakt__nadpis, .usp h3, .listek h3 { font-family: var(--font-heading); }