/* smart-home-blog.net — full styles
 * Phase 12 — Tech-Lab Dark color-system + self-hosted Inter / JetBrains Mono.
 * DSGVO: only self-hosted fonts, no external CDN.
 * Mobile-first.
 */

:root {
    /* Background-Layers */
    --c-bg:        #0a0e1a;   /* Primary dark (near-black-blue) */
    --c-bg-soft:   #11172a;   /* Card-background, subtle elevation */
    --c-bg-line:   #1c2238;   /* Borders, separators */
    --c-bg-code:   #0d1224;   /* Code-block-background */

    /* Text */
    --c-text:      #e2e8f0;   /* Primary readable on dark */
    --c-text-soft: #94a3b8;   /* Secondary, meta, hints */
    --c-text-dim:  #8b95a4;   /* Tertiary, low-importance — WCAG AA on --c-bg (5.85:1) */

    /* Accents */
    --c-accent:        #22d3ee; /* Terminal Cyan — links, highlights, brand */
    --c-accent-soft:   #0e7490; /* Cyan hover/active */
    --c-cta:           #facc15; /* Amber — CTAs (Newsletter, Affiliate-Click) */
    --c-cta-soft:      #ca8a04; /* Amber hover */
    --c-zap:           #ff7e3a; /* ZAP-Hosting brand-accent */

    /* Status */
    --c-success: #4ade80;
    --c-warn:    #fb923c;
    --c-error:   #f87171;

    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', Consolas, monospace;

    /* Legacy aliases — kept for backwards-compat with existing components.
     * To be removed in Phase 12.1 once all selectors migrate to new tokens. */
    --c-muted:           var(--c-text-soft);
    --c-link:            var(--c-accent);
    --c-link-hover:      var(--c-accent-soft);
    --c-border:          var(--c-bg-line);
    --c-card-bg:         var(--c-bg-soft);
    --c-affiliate:       var(--c-bg-soft);
    --c-affiliate-border:var(--c-cta);

    --max-width: 720px;
}

@font-face {
    font-family: 'Inter';
    src: url('/static/fonts/Inter-de.woff2') format('woff2');
    font-weight: 100 900;
    font-display: swap;
    font-style: normal;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('/static/fonts/JetBrainsMono-de.woff2') format('woff2');
    font-weight: 100 900;
    font-display: swap;
    font-style: normal;
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

code, pre, .brand {
    font-family: var(--font-mono);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1em;
}

header.site-header {
    border-bottom: 1px solid var(--c-bg-line);
    padding: 1.5em 1em;
    text-align: center;
    background: var(--c-bg-soft);
}
.brand {
    font-size: 1.4em;
    font-weight: 700;
    color: var(--c-accent);
    text-decoration: none;
}
.brand:hover { color: var(--c-accent-soft); }
.tagline {
    color: var(--c-text-soft);
    margin: 0.3em 0 0;
    font-size: 0.95em;
}

main {
    padding: 2em 0;
}

article.post-card {
    background: var(--c-bg-soft);
    /* Phase 12.1 fix-cycle (spec §3.3): cyan-border statt grau */
    border: 1px solid var(--c-accent);
    border-radius: 6px;
    margin-bottom: 1.5em;
    padding: 1.5em;
    position: relative;
    transition: box-shadow 0.15s ease-in-out;
}
article.post-card:hover {
    box-shadow: 0 0 0 1px var(--c-accent), 0 4px 12px rgba(34, 211, 238, 0.12);
}
article.post-card h2 {
    margin: 0 0 0.5em;
    font-size: 1.4em;
}
article.post-card h2 a {
    color: var(--c-text);
    text-decoration: none;
}
article.post-card h2 a:hover { color: var(--c-accent); }
article.post-card .meta {
    color: var(--c-text-soft);
    font-size: 0.85em;
    margin-bottom: 0.6em;
}
article.post-card .excerpt {
    margin: 0;
    color: var(--c-text);
}
/* Phase 12.1 fix-cycle (spec §3.3): Reading-Time-Badge top-right der Card */
.reading-time-badge {
    position: absolute;
    top: 0.75em;
    right: 0.75em;
    padding: 0.2em 0.6em;
    background: var(--c-bg-line);
    color: var(--c-text-soft);
    border-radius: 999px;
    font-size: 0.75em;
    font-family: var(--font-mono);
    line-height: 1.4;
}
/* Phase 12.1 fix-cycle (spec §3.3): Tag-Pills in Post-Card */
.card-tags {
    list-style: none;
    padding: 0;
    margin: 0.6em 0 0;
}
.card-tags li {
    display: inline-block;
    margin-right: 0.3em;
    margin-bottom: 0.3em;
}
.card-tags a {
    display: inline-block;
    padding: 0.15em 0.6em;
    background: var(--c-bg-line);
    color: var(--c-text-soft);
    border-radius: 999px;
    font-size: 0.75em;
    text-decoration: none;
}
.card-tags a:hover {
    background: var(--c-accent-soft);
    color: var(--c-text);
}
/* Phase 12.1 fix-cycle (spec §3.3): "Alle Beiträge"-Link unter Latest-Posts */
.all-posts-link {
    display: block;
    text-align: center;
    margin: 1.5em 0 0.5em;
    color: var(--c-accent);
    font-weight: 600;
    text-decoration: none;
}
.all-posts-link:hover {
    color: var(--c-accent-soft);
    text-decoration: underline;
}

article.post-detail h1 {
    font-size: 2em;
    margin: 0 0 0.3em;
    line-height: 1.2;
}
article.post-detail .meta {
    color: var(--c-text-soft);
    font-size: 0.9em;
    margin-bottom: 1.5em;
}
article.post-detail .body { font-size: 1.05em; }
article.post-detail .body h2 { font-size: 1.5em; margin-top: 1.5em; }
article.post-detail .body h3 { font-size: 1.2em; margin-top: 1.2em; }
article.post-detail .body img { max-width: 100%; height: auto; border-radius: 4px; }
article.post-detail .body pre {
    overflow-x: auto;
    padding: 1em;
    background: var(--c-bg-code);
    border-radius: 4px;
    border: 1px solid var(--c-bg-line);
}
article.post-detail .body code {
    background: var(--c-bg-code);
    padding: 0.1em 0.3em;
    border-radius: 3px;
    font-size: 0.95em;
    font-family: var(--font-mono);
}
article.post-detail .body pre code { background: none; padding: 0; }
article.post-detail .body blockquote {
    margin: 1em 0;
    padding: 0.5em 1em;
    border-left: 4px solid var(--c-accent);
    background: var(--c-bg-soft);
    color: var(--c-text-soft);
}
article.post-detail .body table { width: 100%; border-collapse: collapse; margin: 1em 0; }
article.post-detail .body th,
article.post-detail .body td { padding: 0.5em; border: 1px solid var(--c-bg-line); text-align: left; }
article.post-detail .body th { background: var(--c-bg-soft); }

.affiliate-block {
    background: var(--c-bg-soft);
    border: 1px solid var(--c-cta);
    border-radius: 6px;
    padding: 1em;
    margin: 1.5em 0;
}
.affiliate-block .disclosure {
    display: block;
    color: var(--c-text-soft);
    font-size: 0.85em;
    margin-bottom: 0.4em;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.affiliate-block a {
    font-weight: 600;
    color: var(--c-cta);
    text-decoration: none;
}
.affiliate-block a:hover { color: var(--c-cta-soft); text-decoration: underline; }

/* Phase 12.2.7 — ZAP-Hosting visual variant: orange accent */
.affiliate-block.aff-zap {
    border-color: var(--c-zap);
    box-shadow: 0 0 0 1px var(--c-zap) inset;
}
.affiliate-block.aff-zap a {
    color: var(--c-zap);
}

a { color: var(--c-accent); }
a:hover { color: var(--c-accent-soft); }

/* ============================================================
 * Phase 12.1.5 — Site-Footer (rich, 3-col)
 * ============================================================ */
footer.site-footer {
    border-top: 1px solid var(--c-bg-line);
    padding: 2.5em 1em 2em;
    color: var(--c-text-soft);
    font-size: 0.9em;
    background: var(--c-bg-soft);
    margin-top: 3em;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}
.footer-brand {
    font-family: var(--font-mono);
    color: var(--c-accent);
    margin: 0 0 1.5em;
    font-size: 1.05em;
    letter-spacing: 0.02em;
}
.footer-cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5em;
    margin: 0 0 1.5em;
}
.footer-col h3 {
    margin: 0 0 0.5em;
    color: var(--c-text);
    font-size: 0.95em;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col li {
    margin: 0.25em 0;
}
.footer-col a {
    color: var(--c-text-soft);
    text-decoration: none;
}
.footer-col a:hover {
    color: var(--c-accent);
    text-decoration: underline;
}
.footer-rule {
    border: none;
    border-top: 1px solid var(--c-bg-line);
    margin: 1em 0;
}
.affiliate-disclosure {
    margin: 1em 0;
    color: var(--c-text-dim);
    font-size: 0.85em;
    line-height: 1.5;
}
.footer-copy {
    margin: 1em 0 0;
    color: var(--c-text-dim);
    font-size: 0.8em;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-cols {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================================
 * Phase 12.1.6 — About-Page
 * ============================================================ */
.about-page { max-width: var(--max-width); margin: 0 auto; }
.about-header h1 {
    margin: 0 0 0.5em;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    color: var(--c-text);
}
.about-intro {
    color: var(--c-text-soft);
    font-size: 1.05em;
    margin: 0 0 2em;
}
.about-section {
    margin: 2em 0;
}
.about-section h2 {
    color: var(--c-accent);
    font-size: 1.3em;
    margin: 0 0 0.6em;
    border-left: 3px solid var(--c-accent);
    padding-left: 0.5em;
}
.about-value-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1em;
}
.about-value-list li {
    padding: 1em 1.2em;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-bg-line);
    border-radius: 6px;
}
.about-value-list h3 {
    margin: 0 0 0.3em;
    color: var(--c-text);
    font-size: 1.05em;
}
.about-value-list p {
    margin: 0;
    color: var(--c-text-soft);
    font-size: 0.95em;
}
.about-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.about-contact-list li {
    margin: 0.4em 0;
    color: var(--c-text);
}

@media (min-width: 768px) {
    .about-value-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile-first: scale type and padding for larger screens */
@media (min-width: 768px) {
    body { font-size: 1.05em; }
}

/* iOS form-zoom prevention + Apple-HIG touch targets */
@media (pointer: coarse) {
    input, textarea, select { font-size: 16px; }
    button, a.btn { min-height: 44px; min-width: 44px; }
}

/* ============================================================
 * Phase 12.1.1 — Hero-Section
 * ============================================================ */
.hero {
    padding: 3em 1em 2em;
    background: var(--c-bg);
    text-align: left;
}
.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}
.hero-brand {
    font-family: var(--font-mono);
    color: var(--c-accent);
    font-size: 1rem;
    margin: 0 0 1.5em;
    letter-spacing: 0.02em;
}
.hero-brand-dot {
    position: relative;
}
.hero-brand-dot::after {
    content: '_';
    margin-left: 0.05em;
    animation: brand-blink 1s steps(2) infinite;
    color: var(--c-accent);
}
@keyframes brand-blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}
.hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.1;
    margin: 0 0 1em;
    color: var(--c-text);
    font-weight: 700;
    letter-spacing: -0.02em;
}
.promise-pills {
    list-style: none;
    padding: 0;
    margin: 0 0 2em;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
}
.promise-pills li {
    display: inline-flex;
    align-items: center;
    padding: 0.35em 0.9em;
    border: 1px solid var(--c-text-soft);
    border-radius: 999px;
    color: var(--c-text-soft);
    font-size: 0.85em;
    letter-spacing: 0.02em;
}
.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75em;
}
.hero-ctas .btn {
    display: inline-flex;
    align-items: center;
    padding: 0.7em 1.2em;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 120ms, color 120ms, border-color 120ms;
}
.hero-ctas .btn-primary {
    background: var(--c-accent);
    color: var(--c-bg);
    border: 1px solid var(--c-accent);
}
.hero-ctas .btn-primary:hover {
    background: var(--c-accent-soft);
    border-color: var(--c-accent-soft);
    color: var(--c-text);
}
.hero-ctas .btn-secondary {
    background: transparent;
    color: var(--c-accent);
    border: 1px solid var(--c-accent);
}
.hero-ctas .btn-secondary:hover {
    background: var(--c-bg-soft);
    color: var(--c-accent-soft);
    border-color: var(--c-accent-soft);
}

@media (min-width: 768px) {
    .hero {
        min-height: 60vh;
        display: flex;
        align-items: center;
        padding: 5em 1em 4em;
    }
    .hero-inner { width: 100%; }
}

.section-title {
    font-size: 1.5em;
    margin: 0 0 1em;
    color: var(--c-text);
    border-left: 3px solid var(--c-accent);
    padding-left: 0.5em;
}
.latest-posts { margin-top: 2em; }

/* ============================================================
 * Phase 12.1.2 — Pillar-Grid
 * ============================================================ */
.pillars { margin: 2em 0; }
.pillar-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1em;
}
.pillar-card {
    display: block;
    padding: 1.5em 1.2em;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-bg-line);
    border-radius: 8px;
    text-decoration: none;
    color: var(--c-text);
    transition: border-color 120ms, transform 120ms;
}
.pillar-card:hover {
    border-color: var(--c-accent);
    transform: translateY(-1px);
}
.pillar-card .pillar-name {
    margin: 0 0 0.4em;
    color: var(--c-accent);
    font-size: 1.15em;
    font-weight: 700;
}
.pillar-card .pillar-subtitle {
    margin: 0 0 1em;
    color: var(--c-text-soft);
    font-size: 0.9em;
}
.pillar-card .pillar-count {
    margin: 0;
    color: var(--c-text-dim);
    font-size: 0.85em;
}
.pillar-card .pillar-arrow {
    margin-left: 0.4em;
    color: var(--c-accent);
}

@media (min-width: 768px) {
    .pillar-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (min-width: 1100px) {
    .pillar-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================================
 * Phase 12.1.3 — About-Box (Home-Footer-Section)
 * ============================================================ */
.about-box {
    margin: 3em 0 2em;
    padding: 1.8em 1.5em;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-bg-line);
    border-left: 3px solid var(--c-accent);
    border-radius: 6px;
}
.about-box h2 {
    margin: 0 0 0.6em;
    color: var(--c-accent);
    font-size: 1.2em;
}
.about-box .about-bio {
    margin: 0 0 0.8em;
    color: var(--c-text);
}
.about-box .about-topics {
    margin: 0 0 1em;
    color: var(--c-text-soft);
    font-size: 0.95em;
}
.about-box .about-links {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
}
.about-box .about-link {
    color: var(--c-accent);
    text-decoration: none;
    font-weight: 500;
}
.about-box .about-link:hover {
    color: var(--c-accent-soft);
    text-decoration: underline;
}

/* ============================================================
 * Phase 12.1.4 — Stats-Bar
 * ============================================================ */
.stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
    align-items: center;
    justify-content: center;
    padding: 1em;
    margin: 2em 0 0;
    color: var(--c-text-dim);
    font-size: 0.85em;
    border-top: 1px solid var(--c-bg-line);
    border-bottom: 1px solid var(--c-bg-line);
    text-align: center;
}
.stats-bar .sep {
    color: var(--c-text-dim);
    opacity: 0.7;
}
.stats-bar a {
    color: var(--c-text-soft);
    text-decoration: none;
}
.stats-bar a:hover {
    color: var(--c-accent);
}

/* ============================================================
 * Phase 12.2.5 — Sponsored-Banner
 * ============================================================ */
.sponsored-banner {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem 1rem;
    margin: 0 0 1.5rem;
    border-left: 4px solid var(--c-cta);
    background: rgba(250, 204, 21, 0.08);
    font-size: .875rem;
    color: var(--c-text-soft);
}
.sponsored-banner-label {
    font-weight: 700;
    color: var(--c-cta);
    text-transform: uppercase;
    letter-spacing: .05em;
}
.sponsored-banner-brand {
    color: var(--c-text-soft);
}

/* ============================================================
 * Phase 12.2.6 — First-Hand-Visual-Box
 * ============================================================ */
.first-hand-box {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--c-accent);
    border-radius: 8px;
    background: rgba(34, 211, 238, 0.05);
}
.first-hand-box h2 {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    color: var(--c-accent);
}
.fhb-row { margin: .5rem 0; }
.fhb-label { font-weight: 600; }
.fhb-bench-list {
    list-style: none;
    padding: 0;
    margin: .5rem 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: .5rem;
}
.fhb-bench-list li {
    padding: .25rem .5rem;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: .875rem;
}
.fhb-bench-key { color: var(--c-text-soft); }
.fhb-bench-value { color: var(--c-accent); }
.fhb-link {
    color: var(--c-accent);
    text-decoration: none;
}
.fhb-link:hover { text-decoration: underline; }
.fhb-limitations p { margin: .25rem 0 0; }

/* Phase 12.3.2 — Reading-Progress-Bar */
#progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--c-accent);
    z-index: 9999;
    transition: width 0.05s linear;
}

/* Phase 12.3.3 — Auto-TOC */
.post-toc {
    margin: 1.5rem 0;
    padding: 1rem 1.25rem;
    border: 1px solid var(--c-border, var(--c-text));
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.1);
}
.post-toc summary {
    font-weight: 600;
    cursor: pointer;
    color: var(--c-accent);
}
.toc-list {
    list-style: none;
    padding: 0;
    margin: .5rem 0 0;
}
.toc-list .toc-level-3 {
    padding-left: 1rem;
}
.toc-list a {
    color: var(--c-text);
    text-decoration: none;
}
.toc-list a:hover {
    color: var(--c-accent);
}

/* Phase 12.3.4 — Share-Buttons */
.share-buttons {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}
.share-label {
    font-weight: 600;
    color: var(--c-text);
}
.share-btn {
    padding: .375rem .75rem;
    border: 1px solid var(--c-accent);
    border-radius: 4px;
    color: var(--c-accent);
    background: transparent;
    text-decoration: none;
    font-family: inherit;
    font-size: .875rem;
    cursor: pointer;
}
.share-btn:hover {
    background: var(--c-accent);
    color: var(--c-bg);
}
.share-toast {
    color: var(--c-accent);
    font-size: .875rem;
}

/* Phase 12.4.7 — Newsletter-Form (3 variants: inline / footer / cta) */
.newsletter-form {
    margin: 2rem 0;
    padding: 1.5rem;
    border: 1px solid var(--c-cta);
    border-radius: 8px;
    background: rgba(250, 204, 21, 0.05);
}
.newsletter-form.newsletter-footer {
    margin: 1rem 0 0;
    border: none;
    background: transparent;
    padding: 0;
}
.newsletter-headline {
    margin: 0 0 .5rem;
    font-size: 1.125rem;
    color: var(--c-cta);
}
.newsletter-sub {
    margin: 0 0 1rem;
    color: var(--c-text);
}
.newsletter-form-inner {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}
.newsletter-email {
    flex: 1 1 200px;
    padding: .5rem .75rem;
    border: 1px solid var(--c-text);
    border-radius: 4px;
    background: var(--c-bg);
    color: var(--c-text);
    font: inherit;
}
.newsletter-submit {
    padding: .5rem 1rem;
    background: var(--c-cta);
    color: var(--c-bg);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
}
.newsletter-submit:hover { filter: brightness(1.1); }
.newsletter-submit:disabled { opacity: 0.5; cursor: wait; }
.newsletter-toast {
    flex-basis: 100%;
    margin: .5rem 0 0;
    font-size: .875rem;
}
.newsletter-toast.ok { color: var(--c-accent); }
.newsletter-toast.err { color: #f87171; }
.newsletter-disclosure {
    flex-basis: 100%;
    margin: .5rem 0 0;
    font-size: .75rem;
    color: var(--c-text-soft, var(--c-text));
}
.newsletter-disclosure a { color: var(--c-accent); }

/* Honeypot: visually hidden via off-screen positioning. NICHT display:none —
   einige bots erkennen display:none als spam-trap und überspringen das Feld. */
.hp-label {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}