/* Handwerker – Mobile-first, Breakpoints sm/md/lg/xl/2xl
   Content max-width 1320px, nur relative Pfade */

* { box-sizing: border-box; }

:root {
    --bg: #f8f7f5;
    --bg-card: #fff;
    --bg-alt: #f0eeeb;
    --text: #1c1c1c;
    --text-muted: #4a4a4a;
    --accent: #2d5a4a;
    --accent-hover: #3d6a5a;
    --border: #e0ddd8;
    --overlay: rgba(28, 28, 28, 0.5);
    /* Content-Container: max 1320px, über 1320px nur Whitespace (zentriert) */
    --container: min(1320px, 100% - 2rem);
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 5rem;
    --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-serif: Georgia, 'Times New Roman', serif;
    --line-tight: 1.25;
    --line-normal: 1.5;
    --line-relaxed: 1.65;
    --radius: 8px;
    --radius-lg: 12px;
    --header-height: 64px;
    /* Header-Farbe: wird per Klasse umgeschaltet */
    --header-fg: #ffffff;
    --header-bg: rgba(28, 28, 28, 0.95);
}

/* Breakpoints: sm 640, md 768, lg 1024, xl 1280, 2xl 1536 */
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: var(--line-normal);
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ---- Header: fixiert, Farbumschaltung via --header-fg ---- */
.site-header {
    width: 100%;
    padding-top: var(--header-height);
}

.header-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    min-height: var(--header-height);
    background: var(--header-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-sm) var(--space-md);
    transition: background 0.25s, border-color 0.25s, color 0.25s;
}

/* Hero sichtbar: Header hell, Text schwarz (#000) */
.site-header.header-overlay .header-bar {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: var(--border);
}
.site-header.header-overlay { --header-fg: #000000; }

/* Hero gescrolled: Header dunkel, Text weiss (#fff) */
.site-header:not(.header-overlay) { --header-fg: #ffffff; }

.logo {
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
    color: var(--header-fg);
    transition: color 0.25s;
}

.nav {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.nav a {
    color: var(--header-fg);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.25s, opacity 0.25s;
}

.nav a:hover,
.nav a.active {
    opacity: 0.85;
}

.site-header:not(.header-overlay) .nav a:hover,
.site-header:not(.header-overlay) .nav a.active {
    color: #e8e8e8;
}

.site-header.header-overlay .nav a:hover,
.site-header.header-overlay .nav a.active {
    color: var(--accent);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23000'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 6h16M4 12h16M4 18h16'/%3E%3C/svg%3E") center no-repeat;
    cursor: pointer;
    border-radius: var(--radius);
    transition: filter 0.25s;
}

/* Icon-Farbe: bei dunklem Header invertieren */
.site-header:not(.header-overlay) .nav-toggle {
    filter: invert(1);
}

.nav-toggle[aria-expanded="true"] {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23000'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 18L18 6M6 6l12 12'/%3E%3C/svg%3E");
}

/* lg: 1024px – Hamburger */
@media (max-width: 1023px) {
    .nav-toggle { display: block; }
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-card);
        color: var(--text);
        padding: var(--space-md);
        gap: 0.5rem;
        border-bottom: 1px solid var(--border);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.25s ease, opacity 0.2s;
    }
    .nav a { color: var(--text-muted); }
    .nav a:hover,
    .nav a.active { color: var(--accent); }
    .nav[aria-hidden="false"] {
        max-height: 320px;
        opacity: 1;
    }
    .site-header:not(.header-overlay) .nav-toggle[aria-expanded="true"] ~ .nav {
        background: var(--header-bg);
    }
    .site-header:not(.header-overlay) .nav-toggle[aria-expanded="true"] ~ .nav a {
        color: #fff;
    }
}

.header-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-md);
}

/* ---- Hero: cover, center, no-repeat, keine schwarzen Ränder ---- */
.header-hero {
    position: relative;
    width: 100%;
    min-height: min(50vh, 420px);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.header-hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay);
}

.header-hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
    color: #fff;
    text-align: center;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.header-hero .header-hero-title {
    font-family: var(--font-sans);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: var(--line-tight);
    margin: 0 0 var(--space-sm);
}

.header-hero .header-hero-subline {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    margin: 0 0 var(--space-sm);
    opacity: 0.95;
}

.header-hero .header-hero-claim {
    font-size: clamp(0.95rem, 2vw, 1.2rem);
    line-height: var(--line-relaxed);
    margin: 0;
    max-width: 28em;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* ---- Main: Separator zwischen Hero und Leistungen ---- */
.home-main {
    padding-bottom: var(--space-3xl);
}

.home-main::before {
    content: '';
    display: block;
    width: min(1320px, 100% - 2rem);
    height: 10px;
    margin: 0 auto;
    background: #fff;
}

.container {
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

/* ========== BLOCK-SECTIONS: Full-width Background, Content max 1320px ========== */
.block {
    width: 100%;
}

/* 10px weißer Separator zwischen Sections (wie zwischen Header und Main) */
.block + .block::before {
    content: '';
    display: block;
    width: min(1320px, 100% - 2rem);
    height: 10px;
    margin: 0 auto;
    background: #fff;
}

.block-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: stretch;
    max-width: var(--container);
    margin: 0 auto;
}

.block-media {
    position: relative;
}

.block-media img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
}

.block-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

.block-title {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 var(--space-md);
    color: var(--text);
}

.block-text,
.block-intro {
    margin: 0;
    color: var(--text-muted);
    line-height: var(--line-relaxed);
}

.block-text p { margin: 0 0 var(--space-sm); }
.block-text p:last-child { margin-bottom: 0; }
.ueber-uns-text { white-space: pre-line; }

.block-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.block-link:hover { text-decoration: underline; }
.block-fallback { font-size: 0.9rem; opacity: 0.85; }

/* md: 768px – Bild + Text nebeneinander */
@media (min-width: 768px) {
    .block-inner--img-left {
        grid-template-columns: 1fr 1fr;
    }
    .block-inner--img-left .block-media { order: 1; }
    .block-inner--img-left .block-content { order: 2; }

    .block-inner--img-right {
        grid-template-columns: 1fr 1fr;
    }
    .block-inner--img-right .block-content { order: 1; }
    .block-inner--img-right .block-media { order: 2; }

    .block-content {
        padding: var(--space-2xl) var(--space-xl);
    }

    .block-title { font-size: 1.75rem; }
}


/* xl: 1280px – Text-Breite begrenzen */
@media (min-width: 1280px) {
    .block-inner--img-left { grid-template-columns: 1.1fr 1fr; }
    .block-inner--img-right { grid-template-columns: 1fr 1.1fr; }
}

/* Hintergründe für Sections (full-width) */
.block--leistungen { background: var(--bg); }
.block--leistungen .block-content { background: var(--bg-card); }
.block--ueber-uns { background: var(--bg-alt); }
.block--ueber-uns .block-content { background: var(--bg-card); }
.block--kontakt { background: var(--bg); }
.block--kontakt .block-content { background: var(--bg-card); }

/* ========== Legal (Impressum, Datenschutz) ========== */
main.legal {
    max-width: var(--container);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
}

main.legal h1 {
    font-size: 1.5rem;
    margin: 0 0 var(--space-md);
}

main.legal .page-content { margin-top: var(--space-md); }
main.legal .page-content p { margin: 0 0 var(--space-sm); }

/* ========== Footer ========== */
.site-footer {
    margin-top: auto;
    padding: var(--space-2xl) var(--space-md);
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    font-size: 0.9375rem;
    color: var(--text-muted);
    text-align: center;
}

.footer-inner {
    max-width: var(--container);
    margin: 0 auto;
}

.footer-name { font-weight: 600; color: var(--text); margin: 0 0 0.25rem; }
.footer-address { margin: 0; }
.footer-inner p { margin: 0; }
.footer-inner a { color: var(--accent); text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }
.footer-legal { margin: var(--space-md) 0 0; }