/* burth.space — Public-Site Stylesheet
 * Basiert auf Theme 02 (Tech-Clean Brutalist)
 * Harte Kanten, kräftige Kontraste, geometrische Blöcke,
 * keine abgerundeten Ecken, maximale typographische Klarheit.
 * Stand: 2026-04-27
 */

:root {
    --black: #000000;
    --white: #ffffff;
    --accent: #ff3c00;
    --accent2: #ffcc00;
    --gray-light: #f5f5f5;
    --gray-mid: #e0e0e0;
    --gray-text: #444444;
    --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
    --mono: "Courier New", Courier, monospace;
    --max-w: 960px;
    --border-thick: 3px solid var(--black);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--white);
    color: var(--black);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.site-header {
    background: var(--black);
    padding: 0;
    display: flex;
    align-items: stretch;
    border-bottom: var(--border-thick);
}

.logo-block {
    background: var(--accent);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    text-decoration: none;
    border-right: var(--border-thick);
}

.logo {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

nav {
    display: flex;
    align-items: stretch;
    margin-left: auto;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    border-left: 1px solid #333;
    transition: background 0.1s, color 0.1s;
}

nav a:hover {
    background: var(--accent);
    color: var(--white);
}

/* Hero */
.hero {
    border-bottom: var(--border-thick);
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 340px;
}

.hero-left {
    background: var(--black);
    color: var(--white);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: var(--border-thick);
}

.hero-tag {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    font-family: var(--mono);
    margin-bottom: 1rem;
    border-left: 3px solid var(--accent);
    padding-left: 0.75rem;
}

.hero-left h1 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.0;
    margin-bottom: 1.5rem;
}

.hero-left h1 .accent { color: var(--accent); }

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    font-weight: 900;
    font-size: 0.875rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: var(--border-thick);
    border-color: var(--accent);
    transition: background 0.1s, color 0.1s;
    width: fit-content;
}

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

.hero-right {
    background: var(--accent2);
    padding: 2rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-right p {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--black);
    line-height: 1.55;
}

/* Features Grid */
.features {
    border-bottom: var(--border-thick);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.feature-card {
    border-right: 2px solid var(--black);
    padding: 2rem 1.5rem;
    transition: background 0.15s;
}

.feature-card:last-child { border-right: none; }

.feature-card:hover { background: var(--gray-light); }

.feature-num {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent);
    font-family: var(--mono);
    line-height: 1;
    margin-bottom: 0.75rem;
    display: block;
}

.feature-card h3 {
    font-size: 0.9rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.82rem;
    color: var(--gray-text);
    line-height: 1.55;
}

/* Notice Block */
.notice-block {
    max-width: var(--max-w);
    margin: 2.5rem auto;
    padding: 0 2rem;
}

.notice-inner {
    border: var(--border-thick);
    padding: 1.5rem;
    position: relative;
}

.notice-inner::before {
    content: 'HINWEIS';
    position: absolute;
    top: -0.75rem;
    left: 1rem;
    background: var(--white);
    padding: 0 0.5rem;
    font-size: 0.7rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: var(--mono);
}

.notice-inner p {
    font-size: 0.875rem;
    color: var(--gray-text);
    line-height: 1.6;
}

.notice-inner strong { color: var(--black); }
.notice-inner a { color: var(--accent); font-weight: 700; }

/* Footer */
.site-footer {
    margin-top: auto;
    background: var(--black);
    color: var(--white);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.75rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-top: var(--border-thick);
}

@media (min-width: 1024px) {
    .site-footer {
        position: sticky;
        bottom: 0;
        z-index: 100;
    }

    /* Padding-Bottom damit Inhalt nicht vom Sticky-Footer verdeckt wird */
    .subpage-content { padding-bottom: 5rem; }
    .notice-block { margin-bottom: 5rem; }
}

.footer-links a {
    color: var(--accent2);
    text-decoration: none;
    margin-left: 1.25rem;
}

.footer-links a:hover { text-decoration: underline; }

/* Sub-Pages */
.subpage-content { max-width: var(--max-w); margin: 0 auto; padding: 3rem 2rem 4rem; }
.notice-banner { background: var(--accent2); color: var(--black); border: var(--border-thick); padding: .85rem 1.25rem; margin-bottom: 2.5rem; font-size: .82rem; font-weight: 700; }
.back-link { display: inline-block; margin-bottom: 1.5rem; color: var(--gray-text); font-size: .82rem; text-decoration: none; border-bottom: 2px solid var(--black); }
.back-link:hover { background: var(--accent); color: var(--white); }
.subpage-content h1 { font-size: 2.2rem; font-weight: 900; color: var(--black); text-transform: uppercase; margin-bottom: .5rem; border-bottom: var(--border-thick); padding-bottom: .5rem; }
.subpage-content .meta { font-size: .8rem; color: var(--gray-text); margin-bottom: 2.5rem; font-family: var(--mono); }
.subpage-content h2 { font-size: 1rem; font-weight: 900; text-transform: uppercase; color: var(--black); margin: 2rem 0 .75rem; border-left: 6px solid var(--accent); padding-left: .75rem; }
.subpage-content h3 { font-size: .88rem; font-weight: 700; color: var(--black); margin: 1.25rem 0 .5rem; }
.subpage-content p { font-size: .88rem; color: var(--gray-text); margin-bottom: .75rem; line-height: 1.7; }
.subpage-content ul { padding-left: 1.5rem; margin-bottom: .75rem; }
.subpage-content li { font-size: .85rem; color: var(--gray-text); line-height: 1.7; margin-bottom: .25rem; }
.subpage-content table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .82rem; }
.subpage-content th { text-align: left; padding: .5rem .75rem; background: var(--black); color: var(--white); font-weight: 900; border: 2px solid var(--black); }
.subpage-content td { padding: .5rem .75rem; border: 2px solid var(--black); color: var(--gray-text); vertical-align: top; }
code { font-family: var(--mono); background: var(--gray-mid); padding: .1em .4em; font-size: .82em; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: .82rem; font-weight: 900; text-transform: uppercase; color: var(--black); margin-bottom: .4rem; }
.form-group label .req { color: var(--accent); }
.form-group input, .form-group select, .form-group textarea { width: 100%; background: var(--white); border: var(--border-thick); color: var(--black); font-family: var(--font); font-size: .88rem; padding: .6rem .875rem; outline: none; transition: border-color .15s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); outline: 2px solid var(--accent); }
.form-group textarea { resize: vertical; min-height: 140px; }
.checkbox-group { display: flex; align-items: flex-start; gap: .6rem; margin-bottom: 1.5rem; }
.checkbox-group input[type="checkbox"] { flex-shrink: 0; margin-top: .2rem; accent-color: var(--accent); width: 16px; height: 16px; }
.checkbox-group label { font-size: .82rem; color: var(--gray-text); line-height: 1.6; }
.btn-submit { display: inline-block; background: var(--black); color: var(--white); font-size: .88rem; font-weight: 900; text-transform: uppercase; padding: .7rem 2rem; border: var(--border-thick); cursor: pointer; transition: background .15s; letter-spacing: .05em; }
.btn-submit:hover { background: var(--accent); color: var(--white); }
.form-note { font-size: .78rem; color: var(--gray-text); margin-top: 1rem; line-height: 1.6; font-family: var(--mono); }

/* Mesh-Toggle-Button (nur für Mesh-User via Caddy-Template sichtbar) */
.mesh-toggle-btn {
    display: inline-block;
    background: var(--black);
    color: var(--accent2);
    padding: 0.45rem 1.1rem;
    font-weight: 900;
    font-size: 0.75rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    border: 2px solid var(--accent2);
    font-family: var(--mono);
    transition: background 0.1s, color 0.1s, border-color 0.1s;
    white-space: nowrap;
}

.mesh-toggle-btn:hover {
    background: var(--accent2);
    color: var(--black);
}

/* Container für Mesh-Toggle in der Header-Nav */
.mesh-toggle-wrap {
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    border-left: 1px solid #333;
}

/* Kontakt-Variante C: Mailto-Buttons */
.kontakt-intro {
    margin-bottom: 2.5rem;
}

.kontakt-intro p {
    font-size: 0.95rem;
    color: var(--gray-text);
    line-height: 1.65;
    margin-bottom: 0;
}

.mailto-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.mailto-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem 1.5rem;
    background: var(--white);
    border: var(--border-thick);
    text-decoration: none;
    transition: background 0.1s, color 0.1s;
}

.mailto-btn:hover {
    background: var(--black);
}

.mailto-btn:hover .mailto-label {
    color: var(--white);
}

.mailto-btn:hover .mailto-desc {
    color: var(--gray-mid);
}

.mailto-label {
    font-size: 0.9rem;
    font-weight: 900;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.3rem;
}

.mailto-desc {
    font-size: 0.78rem;
    color: var(--gray-text);
    font-family: var(--mono);
    line-height: 1.4;
}

.mailto-btn-datenschutz .mailto-label {
    color: var(--accent);
}

.mailto-btn-datenschutz {
    border-color: var(--accent);
}

.mailto-btn-datenschutz:hover {
    background: var(--accent);
}

.mailto-btn-datenschutz:hover .mailto-label {
    color: var(--white);
}

.kontakt-future-note {
    font-size: 0.8rem;
    color: var(--gray-text);
    font-family: var(--mono);
    border: 1px dashed var(--gray-mid);
    padding: 0.85rem 1.1rem;
    line-height: 1.65;
}

.kontakt-future-note strong {
    color: var(--black);
}

@media (max-width: 768px) {
    .hero { grid-template-columns: 1fr; }
    .hero-left { border-right: none; border-bottom: var(--border-thick); }
    .features { grid-template-columns: repeat(2, 1fr); }
    .feature-card:nth-child(2) { border-right: none; }
    .feature-card:nth-child(3) { border-top: 2px solid var(--black); }
    .feature-card:nth-child(4) { border-right: none; border-top: 2px solid var(--black); }
    nav { display: none; }
    .mailto-grid { grid-template-columns: 1fr; }
    .mesh-toggle-wrap { display: none; }
}

@media (max-width: 480px) {
    .features { grid-template-columns: 1fr; }
    .feature-card { border-right: none; border-bottom: 2px solid var(--black); }
    .subpage-content { padding: 2rem 1.25rem; }
}