/* ==========================================================================
   Schreiber Veranstaltungen · schreiber-veranstaltung.de
   Mobile-first, PHP-served
   ========================================================================== */

:root {
    --color-bg: #fbf8f3;
    --color-surface: #ffffff;
    --color-ink: #1f2a20;
    --color-ink-soft: #4a5548;
    --color-muted: #7a8479;
    --color-primary: #2d5a3d;
    --color-primary-dark: #1f4029;
    --color-accent: #c98a3b;
    --color-accent-soft: #f2d9b5;
    --color-border: #e4ddd1;
    --color-error: #b23a3a;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --shadow-sm: 0 2px 8px rgba(31, 42, 32, 0.06);
    --shadow-md: 0 10px 30px rgba(31, 42, 32, 0.10);

    --font-head: 'Playfair Display', Georgia, serif;
    --font-body: 'Open Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

    --maxw: 1180px;
    --gutter: 1.25rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-ink);
    background: var(--color-bg);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

h1, h2, h3 {
    font-family: var(--font-head);
    color: var(--color-ink);
    line-height: 1.2;
    margin: 0 0 0.75rem;
    font-weight: 700;
}
h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 0.75rem 1rem;
    z-index: 1000;
}
.skip-link:focus { left: 0; }

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-accent);
    margin: 0 0 0.5rem;
}

/* Buttons ------------------------------------------------------------------ */
.btn {
    display: inline-block;
    padding: 0.85rem 1.5rem;
    font-weight: 600;
    font-size: 0.98rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease;
    text-align: center;
}
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
}
.btn-ghost:hover, .btn-ghost:focus {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    text-decoration: none;
}
.btn-block { width: 100%; }

/* Header ------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(251, 248, 243, 0.95);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--color-border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}
.brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    color: var(--color-ink);
}
.brand:hover, .brand:focus { text-decoration: none; }
.brand-name {
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 700;
}
.brand-sub {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-top: 2px;
}
.nav-toggle {
    appearance: none;
    background: transparent;
    border: 0;
    width: 42px;
    height: 42px;
    cursor: pointer;
    padding: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-ink);
    transition: transform 0.2s ease, opacity 0.2s ease;
    transform-origin: center;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.primary-nav.open { max-height: 80vh; }
.primary-nav ul {
    list-style: none;
    margin: 0;
    padding: 0.5rem var(--gutter) 1rem;
}
.primary-nav li { border-bottom: 1px solid var(--color-border); }
.primary-nav li:last-child { border-bottom: 0; }
.primary-nav a {
    display: block;
    padding: 0.95rem 0;
    color: var(--color-ink);
    font-weight: 500;
}
.primary-nav a:hover { color: var(--color-primary); text-decoration: none; }
.primary-nav .nav-cta {
    color: var(--color-primary);
    font-weight: 700;
}

/* Hero --------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 82vh;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
    padding: 4.5rem 0 3.5rem;
    background: #14221a;
}
.hero-image {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(135deg, rgba(20, 35, 22, 0.85) 0%, rgba(45, 90, 61, 0.55) 60%, rgba(20, 35, 22, 0.7) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}
.hero h1 { color: #fff; margin-bottom: 1.25rem; }
.hero-kicker {
    color: var(--color-accent-soft);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.hero-lead {
    font-size: 1.08rem;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 2rem;
    max-width: 560px;
}
.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Sections ----------------------------------------------------------------- */
section { padding: 4rem 0; }

.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2.5rem;
}
.section-lead {
    color: var(--color-ink-soft);
    font-size: 1.05rem;
}

/* Leistungen --------------------------------------------------------------- */
.leistungen { background: var(--color-surface); }
.service-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}
.service-card {
    display: block;
    padding: 1.75rem 1.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.service-card:hover, .service-card:focus {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    border-color: var(--color-primary);
}
.service-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.service-card h3 { margin-bottom: 0.5rem; color: var(--color-primary); }
.service-card p { color: var(--color-ink-soft); margin-bottom: 1rem; }
.service-link { font-weight: 600; color: var(--color-accent); font-size: 0.92rem; }

/* Detail sections ---------------------------------------------------------- */
.detail { background: var(--color-surface); }
.detail.alternate { background: var(--color-bg); }
.detail-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}
.detail-text h2 { color: var(--color-primary-dark); }
.feature-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.feature-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.6rem;
    color: var(--color-ink-soft);
}
.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 10px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 50%;
}

.detail-visual { order: -1; }
.detail-visual picture,
.detail-visual img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #2d5a3d 0%, #1f4029 100%);
}

/* Über --------------------------------------------------------------------- */
.ueber { background: linear-gradient(to bottom, var(--color-bg) 0%, #f1ead9 100%); }
.ueber-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
}
.ueber-inner.no-visual .ueber-text { max-width: 720px; margin: 0 auto; text-align: center; }
.ueber-visual picture,
.ueber-visual img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #c98a3b 0%, #2d5a3d 100%);
}
.signature {
    font-family: var(--font-head);
    font-style: italic;
    color: var(--color-primary);
    margin-top: 1rem;
}

/* Kontakt ------------------------------------------------------------------ */
.kontakt { background: var(--color-surface); }
.kontakt-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}
.kontakt-info h2 { color: var(--color-primary-dark); }
.kontakt-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    border-top: 1px solid var(--color-border);
}
.kontakt-list li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}
.kontakt-label {
    color: var(--color-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}
.kontakt-value {
    color: var(--color-ink);
    font-weight: 500;
    text-align: right;
    word-break: break-word;
}
a.kontakt-value { color: var(--color-primary); }

/* Form --------------------------------------------------------------------- */
.kontakt-form {
    background: var(--color-bg);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}
.form-row { margin-bottom: 1.1rem; }
.form-row label {
    display: block;
    font-weight: 600;
    font-size: 0.92rem;
    margin-bottom: 0.4rem;
    color: var(--color-ink);
}
.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    padding: 0.8rem 0.9rem;
    font: inherit;
    color: var(--color-ink);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.15);
}
.form-row textarea { resize: vertical; min-height: 120px; }

.form-row-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.form-check {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75rem;
    align-items: start;
}
.form-check input {
    width: 20px;
    height: 20px;
    margin-top: 3px;
}
.form-check label {
    margin-bottom: 0;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--color-ink-soft);
}

.honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.form-status {
    margin-top: 1rem;
    font-size: 0.95rem;
    min-height: 1.5em;
}
.form-status.success { color: var(--color-primary); font-weight: 600; }
.form-status.error { color: var(--color-error); font-weight: 600; }

.input-error {
    border-color: var(--color-error) !important;
    box-shadow: 0 0 0 3px rgba(178, 58, 58, 0.15) !important;
}

/* Legal pages -------------------------------------------------------------- */
.legal {
    max-width: 760px;
    margin: 0 auto;
    padding: 5rem 1.25rem 4rem;
}
.legal h1 { color: var(--color-primary-dark); margin-bottom: 1.5rem; }
.legal h2 { color: var(--color-primary); margin-top: 2rem; font-size: 1.3rem; }
.legal p, .legal ul { color: var(--color-ink-soft); }
.legal ul { padding-left: 1.25rem; }

/* Footer ------------------------------------------------------------------- */
.site-footer {
    background: #14221a;
    color: #d6ddd4;
    padding: 3rem 0 1.5rem;
    margin-top: 2rem;
}
.site-footer a { color: #d6ddd4; }
.site-footer a:hover { color: var(--color-accent); }
.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-col .brand-name {
    color: #fff;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    display: block;
}
.footer-head {
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-bottom {
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: #8a9487;
    text-align: center;
}

/* ==========================================================================
   Tablet ≥ 640px
   ========================================================================== */
@media (min-width: 640px) {
    .hero-actions { flex-direction: row; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row-split { grid-template-columns: 1fr 1fr; }
    .footer-inner { grid-template-columns: 2fr 1fr 1fr; }
}

/* ==========================================================================
   Desktop ≥ 900px
   ========================================================================== */
@media (min-width: 900px) {
    :root { --gutter: 2rem; }

    section { padding: 6rem 0; }

    .nav-toggle { display: none; }
    .primary-nav {
        position: static;
        background: transparent;
        border: 0;
        max-height: none;
        overflow: visible;
    }
    .primary-nav ul { display: flex; gap: 0.25rem; padding: 0; }
    .primary-nav li { border: 0; }
    .primary-nav a {
        padding: 0.6rem 0.9rem;
        border-radius: var(--radius-sm);
        font-size: 0.95rem;
    }
    .primary-nav a:hover { background: rgba(45, 90, 61, 0.08); }
    .primary-nav .nav-cta {
        background: var(--color-primary);
        color: #fff !important;
        margin-left: 0.5rem;
    }
    .primary-nav .nav-cta:hover { background: var(--color-primary-dark); }

    .service-grid { grid-template-columns: repeat(3, 1fr); }

    .detail-inner { grid-template-columns: 1fr 1fr; gap: 4rem; }
    .detail-visual { order: 0; }
    .detail-inner.reverse .detail-text { order: 2; }
    .detail-inner.reverse .detail-visual { order: 1; }

    .ueber-inner { grid-template-columns: 3fr 2fr; }
    .ueber-inner.no-visual { grid-template-columns: 1fr; }

    .kontakt-inner { grid-template-columns: 1fr 1.1fr; gap: 4rem; align-items: start; }
    .kontakt-form { padding: 2.25rem; }
}

@media (min-width: 1100px) {
    .hero { min-height: 88vh; }
    .hero-lead { font-size: 1.15rem; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}