/* =========================================================
   VEA – Verifizierte Aerifizierwerkzeuge für Sportrasen
   assets/styles/app.css
   Responsiv, Mobile-First, ohne externe Frameworks
   ========================================================= */

/* --- Lokale Schriftart (System-Stack, DSGVO-freundlich) --- */
:root {
    --color-primary: #1a5c2a;
    --color-primary-dark: #0f3a19;
    --color-primary-light: #2e8b47;
    --color-accent: #f0a500;
    --color-accent-dark: #c88400;
    --color-text: #1e1e1e;
    --color-text-light: #555555;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f7f5;
    --color-border: #d4e0d6;
    --color-white: #ffffff;
    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --radius: 6px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.14);
    --max-width: 1100px;
    --transition: 0.2s ease;
}

/* --- Reset & Box-Sizing --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: var(--color-primary);
    text-decoration: underline;
}

a:hover {
    color: var(--color-primary-dark);
}

/* --- Utility --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: 1.25rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- Header & Navigation --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-primary);
    box-shadow: 0 2px 6px rgba(0,0,0,0.18);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 0.75rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.site-logo img,
.site-logo svg {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

/* --- Hamburger --- */
.nav-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    color: var(--color-white);
}

.nav-toggle svg {
    width: 26px;
    height: 26px;
}

/* --- Main Navigation --- */
.main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    padding: 0.75rem 1.25rem 1rem;
}

.main-nav.is-open {
    display: block;
}

.main-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.main-nav a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius);
    transition: background var(--transition);
}

.main-nav a:hover {
    background: rgba(255,255,255,0.12);
    color: var(--color-white);
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    text-align: center;
    padding-block: 5rem 4rem;
}

.hero__eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.85;
    margin-bottom: 0.75rem;
}

.hero__title {
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    max-width: 780px;
    margin-inline: auto;
}

.hero__subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    opacity: 0.9;
    max-width: 600px;
    margin-inline: auto;
    margin-bottom: 2.5rem;
}

.hero__cta {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-text);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.85rem 2rem;
    border-radius: var(--radius);
    text-decoration: none;
    transition: background var(--transition), transform var(--transition);
}

.hero__cta:hover {
    background: var(--color-accent-dark);
    color: var(--color-text);
    transform: translateY(-2px);
}

/* --- Sections (shared) --- */
section {
    padding-block: 4rem;
}

section:nth-child(even) {
    background: var(--color-bg-alt);
}

.section-title {
    font-size: clamp(1.4rem, 3.5vw, 2rem);
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 1rem;
    line-height: 1.25;
}

.section-lead {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 680px;
    margin-bottom: 2.5rem;
}

/* --- Über uns --- */
.about__content {
    display: grid;
    gap: 2rem;
}

.about__text p + p {
    margin-top: 0.85rem;
}

.about__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 0.85rem;
    border-radius: 20px;
    margin-top: 1rem;
}

/* --- Sortiment / Produktkarten --- */
.products__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.product-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.product-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.product-card__icon {
    width: 56px;
    height: 56px;
}

.product-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.product-card__text {
    font-size: 0.95rem;
    color: var(--color-text-light);
    flex: 1;
}

/* --- Qualitätsversprechen --- */
.quality__steps {
    display: grid;
    gap: 1.25rem;
    margin-top: 2rem;
}

.quality-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.quality-step__number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.quality-step__content strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.2rem;
}

.quality-step__content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* --- Kontakt --- */
.contact__grid {
    display: grid;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.contact-item__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.contact-item__icon svg {
    width: 20px;
    height: 20px;
}

.contact-item__label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text-light);
    margin-bottom: 0.15rem;
}

.contact-item__value {
    font-size: 1rem;
    color: var(--color-text);
    word-break: break-word;
}

.contact-item__value a {
    color: var(--color-primary);
}

/* --- Footer --- */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.75);
    padding-block: 2rem;
    font-size: 0.88rem;
}

.site-footer .container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: underline;
}

.footer-links a:hover {
    color: var(--color-white);
}

/* --- Cookie-Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-size: 0.88rem;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.2);
}

.cookie-banner[hidden] {
    display: none;
}

.cookie-banner__text a {
    color: var(--color-accent);
}

.cookie-banner__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-text);
}

.btn--primary:hover {
    background: var(--color-accent-dark);
    color: var(--color-text);
}

.btn--ghost {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.4);
}

.btn--ghost:hover {
    background: rgba(255,255,255,0.1);
    color: var(--color-white);
}

/* --- Legal Pages --- */
.legal-page {
    padding-block: 3rem;
}

.legal-page h1 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

.legal-page .breadcrumb {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.legal-page .breadcrumb a {
    color: var(--color-primary);
}

.legal-content h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-top: 2rem;
    margin-bottom: 0.6rem;
}

.legal-content p {
    margin-bottom: 0.85rem;
    color: var(--color-text-light);
}

.legal-content ul {
    padding-left: 1.5rem;
    margin-bottom: 0.85rem;
    color: var(--color-text-light);
}

.legal-content li + li {
    margin-top: 0.25rem;
}

.todo-note {
    background: #fff8e1;
    border-left: 4px solid var(--color-accent);
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    color: #5a4200;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin-block: 1rem;
}

/* ==============================================
   Responsive Breakpoints
   ============================================== */

/* ---- Tablet: 640px+ ---- */
@media (min-width: 640px) {
    .cookie-banner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .cookie-banner__text {
        flex: 1;
    }

    .products__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quality__steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---- Desktop: 900px+ ---- */
@media (min-width: 900px) {
    /* Navigation als horizontale Leiste */
    .nav-toggle {
        display: none;
    }

    .main-nav {
        display: block !important;
        position: static;
        background: none;
        padding: 0;
    }

    .main-nav ul {
        flex-direction: row;
        gap: 0.25rem;
    }

    .main-nav a {
        padding: 0.4rem 0.75rem;
        font-size: 0.92rem;
    }

    .products__grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .about__content {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}