/* ── Tokens ─────────────────────────────────────────────── */
:root {
    --bg:           #f7f4ef;
    --bg-subtle:    #ece8df;
    --border:       #dbd6cc;
    --text:         #1a1714;
    --text-muted:   #6e6860;
    --accent:       #2563eb;
    --accent-hover: #1d4ed8;
    --accent-visited: #7c3aed;
    --accent2:      #c96b10;
    --logo-green:   #1a9e48;
    --logo-de:      #888;
    --logo-box:     rgba(0,0,0,0.03);
    --logo-color:   #c96b10;
    --bg-stronger:  #e4dfd5;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg:           #100f0d;
        --bg-subtle:    #1a1815;
        --border:       #2c2924;
        --text:         #ede8e0;
        --text-muted:   #8c8278;
        --accent:       #82b4ff;
        --accent-hover: #a8ccff;
        --accent-visited: #c4a5ff;
        --accent2:      #f5a623;
        --logo-green:   #0bd43f;
        --logo-de:      #5d5d5d;
        --logo-box:     rgba(255,255,255,0.05);
        --logo-color:   #f5a623;
        --bg-stronger:  #252220;
    }
}

html[data-theme="light"] {
    --bg: #f7f4ef; --bg-subtle: #ece8df; --border: #dbd6cc;
    --text: #1a1714; --text-muted: #6e6860;
    --accent: #2563eb; --accent-hover: #1d4ed8; --accent-visited: #7c3aed; --accent2: #c96b10;
    --logo-green: #1a9e48; --logo-de: #aaa; --logo-box: rgba(0,0,0,0.03);
    --logo-color: #c96b10; --bg-stronger: #e4dfd5;
}

html[data-theme="dark"] {
    --bg: #100f0d; --bg-subtle: #1a1815; --border: #2c2924;
    --text: #ede8e0; --text-muted: #8c8278;
    --accent: #82b4ff; --accent-hover: #a8ccff; --accent-visited: #c4a5ff; --accent2: #f5a623;
    --logo-green: #0bd43f; --logo-de: #5d5d5d; --logo-box: rgba(255,255,255,0.05);
    --logo-color: #f5a623; --bg-stronger: #252220;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'IBM Plex Sans', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.2s, color 0.2s;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
.article a:visited, .content a:visited, .about-text a:visited { color: var(--accent-visited); }
a.nav-logo, a.nav-logo:visited, a.nav-logo:hover { color: var(--logo-color); }

/* Dot grid */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle, var(--text) 0.5px, transparent 0.5px);
    background-size: 24px 24px;
    opacity: 0.06;
    pointer-events: none;
    z-index: 9999;
}

h1, h2 { font-family: 'Rajdhani', sans-serif; font-weight: 600; }

/* ── Nav ─────────────────────────────────────────────────── */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: color-mix(in srgb, var(--bg) 80%, transparent);
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--logo-color);
    text-decoration: none;
    letter-spacing: -0.02em;
    position: relative;
    top: 2px;
}

.nav-logo .de { color: var(--logo-de); }

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

#themeBtn { color: var(--text-muted); text-decoration: none; }
#themeBtn:hover { color: var(--text); }
.theme-label { display: none; }
@media (max-width: 620px) {
    .theme-icon { display: none; }
    .theme-label { display: inline; }
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.25rem;
    line-height: 1;
}

@media (max-width: 620px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 56px; left: 0; right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem 1.5rem 1.5rem;
        gap: 1rem;
    }
    .nav-links.open { display: flex; }
    .hamburger { display: block; }
}

/* ── Layout helpers ──────────────────────────────────────── */
h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: 4.5rem 1.5rem;
}

.wrap--narrow {
    max-width: 720px;
    padding: 4rem 1.5rem;
}

.label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent2);
    margin-bottom: 0.75rem;
}

.intro {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
    max-width: 52ch;
    margin-bottom: 3rem;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 0.65rem 1.3rem;
    border-radius: 3px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.15s;
}

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

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--text-muted); }

/* ── SVG text images ─────────────────────────────────────── */
.svg-phone { vertical-align: -0.02em; }
.svg-email { vertical-align: -0.13em; }
html[data-theme="dark"] .svg-phone,
html[data-theme="dark"] .svg-email { filter: invert(1); }
@media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]) .svg-phone,
    html:not([data-theme="light"]) .svg-email { filter: invert(1); }
}

/* ── Footer ──────────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    padding: 1.75rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

footer a { color: var(--text-muted); text-decoration: none; transition: color 0.15s; }
footer a:hover { color: var(--text); }

/* ── Photo strip ──────────────────────────────────────────── */
.photo-strip-wrap {
    width: 100%;
    height: 110px;
    overflow: hidden;
}
.photo-strip {
    width: 140vw;
    margin-left: -15vw;
    margin-top: -14px;
    height: 137px;
    transform: perspective(800px) rotateY(10deg);
    background:
        linear-gradient(to right, rgba(10,8,6,0.35), rgba(10,8,6,0.65)),
        url('strip9-dark.webp') center/cover no-repeat;
}
html[data-theme="dark"] .photo-strip {
    background:
        linear-gradient(to right, rgba(10,8,6,0.35), rgba(10,8,6,0.65)),
        url('strip9-light.webp') center/cover no-repeat;
}
@media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]) .photo-strip {
        background:
            linear-gradient(to right, rgba(10,8,6,0.35), rgba(10,8,6,0.65)),
            url('strip9-light.webp') center/cover no-repeat;
    }
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
    border-bottom: 1px solid var(--border);
    padding-top:    5rem;
    padding-bottom: 5rem;
}

.hero-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-terminal {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent2);
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.hero-terminal .cursor {
    display: inline-block;
    width: 0.55em;
    height: 1.05em;
    border: 1px solid var(--accent2);
    vertical-align: -0.15em;
    margin-left: 2px;
    animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.hero h1 {
    font-size: clamp(2.5rem, 6.5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin-bottom: 1.5rem;
    max-width: 20ch;
    color: var(--text);
}

.hero h1 em {
    font-style: normal;
    color: var(--accent2);
}

.hero p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 46ch;
    line-height: 1.75;
    margin-bottom: 2rem;
}

.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ── Services ────────────────────────────────────────────── */
.service-num {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent2);
    margin-bottom: 1rem;
    line-height: 1;
    letter-spacing: -0.02em;
}

/* ── About ───────────────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    align-items: start;
}

.about-photo {
    width: 100%;
    height: auto;
    border-radius: 4px;
    object-fit: cover;
    aspect-ratio: 3/4;
    display: block;
    margin-top: 0;
}

@media (max-width: 640px) {
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .about-photo { max-width: 200px; }
}

.about-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-text details {
    margin-bottom: 1.5rem;
}

.fact-list { display: flex; flex-direction: column; gap: 1.25rem; }

.fact {
    border-left: 2px solid var(--accent2);
    padding-left: 1rem;
}

.fact-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.fact-value { font-size: 0.9rem; font-weight: 500; margin-top: 0.15rem; }

/* ── Workshops ───────────────────────────────────────────── */
.workshops-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

.workshop-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    transition: box-shadow 0.15s;
}

.workshop-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.workshop-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.015em;
}

.workshop-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

.workshop-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    flex: 1;
}

.workshop-price {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent2);
    padding: 0.5rem 0;
}

.price-tax {
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text-muted);
}

.workshop-card .btn { text-align: center; }

/* ── Details / Summary expand ───────────────────────────── */
details summary {
    cursor: pointer;
    list-style: none;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent);
    transition: color 0.15s;
    user-select: none;
}

details summary::-webkit-details-marker { display: none; }

details summary:hover { color: var(--accent-hover); }

details summary::after {
    content: '\203A';
    display: inline-block;
    margin-left: 0.4em;
    transition: transform 0.2s;
}

details[open] summary::after {
    transform: rotate(90deg);
}

.workshop-card.expanded {
    grid-column: 1 / -1;
}

details .details-body {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

details .details-body p {
    margin-bottom: 0.5rem;
}

details .details-body p:last-child {
    margin-bottom: 0;
}

.workshop-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* ── Dates table ─────────────────────────────────────────── */
.dates-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    font-size: 0.95rem;
}
.dates-table th {
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0 1rem 0.75rem 0;
    border-bottom: 1px solid var(--border);
}
.dates-table td {
    padding: 1rem 1rem 1rem 0;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.dates-table td:last-child { text-align: right; padding-right: 0; }
.seats { font-size: 0.85rem; color: var(--text-muted); }
.seats.available { color: #1a9e48; }
.seats.sold-out { color: var(--text-muted); text-decoration: line-through; }
@media (max-width: 640px) {
    .dates-table thead { display: none; }
    .dates-table td { display: block; padding: 0.4rem 0; border: none; }
    .dates-table tr { display: block; padding: 1rem 0; border-bottom: 1px solid var(--border); }
    .dates-table td:last-child { text-align: left; padding-top: 0.75rem; }
}

/* ── Contact ─────────────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.75fr;
    gap: 4rem;
    align-items: start;
}

@media (max-width: 640px) {
    .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.contact-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 1.75rem;
}

.contact-info a { color: var(--accent); text-decoration: none; }

form { display: flex; flex-direction: column; gap: 1rem; }

.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
}
.modal {
    background: var(--bg);
    border-radius: 1rem;
    padding: 2.5rem 3rem;
    text-align: center;
    max-width: 400px;
}
.modal p {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

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

@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }

label {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

input, textarea, select {
    width: 100%;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 0.65rem 0.875rem;
    font-size: 0.875rem;
    color: var(--text);
    font-family: inherit;
    appearance: none;
    transition: border-color 0.15s;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}

input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 0.6; }
textarea { resize: vertical; min-height: 110px; }

/* ── Alternating sections ────────────────────────────────── */
.section-alt {
    background: var(--bg-stronger);
    max-width: none;
    padding-left:  max(1.5rem, calc((100vw - 960px) / 2 + 1.5rem));
    padding-right: max(1.5rem, calc((100vw - 960px) / 2 + 1.5rem));
}

/* ── Page header ─────────────────────────────────────────── */
.page-header {
    padding: 3.5rem 0 2.5rem;
    margin-bottom: 2.5rem;
}

.page-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.page-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* ── Blog post list ──────────────────────────────────────── */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.post-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.5rem;
    align-items: start;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: background 0.15s;
}

.post-item:first-child { border-top: 1px solid var(--border); }

.post-item:hover .post-title { color: var(--accent); }

.post-tag {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent2);
    margin-bottom: 0.4rem;
}

.post-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    transition: color 0.15s;
}

.post-excerpt {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 56ch;
}

.post-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
    padding-top: 0.2rem;
}

@media (max-width: 560px) {
    .post-item { grid-template-columns: 1fr; gap: 0.5rem; }
    .post-meta { order: -1; }
}

/* ── Article ─────────────────────────────────────────────── */
.article-header {
    padding: 3.5rem 0 2.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2.5rem;
}

.article-header .label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent2);
    margin-bottom: 0.75rem;
}

.article-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.article-header .meta {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.article p {
    margin-bottom: 1.25rem;
    line-height: 1.75;
}

.article h2 {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.post-source {
    font-size: 0.82rem;
    font-style: italic;
    color: var(--text-muted);
    margin-top: 2.5rem;
}

.article ol {
    margin-bottom: 1.25rem;
    padding-left: 1.25rem;
}

.article ol li {
    margin-bottom: 1rem;
    line-height: 1.75;
}

.article code {
    font-family: 'Share Tech Mono', ui-monospace, monospace;
    font-size: 0.85em;
    background: var(--bg-subtle);
    padding: 0.15em 0.4em;
    border-radius: 3px;
}

.article pre {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    overflow-x: auto;
    line-height: 1.6;
}

.article pre code {
    background: none;
    padding: 0;
    font-size: 0.82rem;
}

.article em {
    font-style: italic;
}

.article a {
    color: var(--accent);
    text-decoration: none;
}

.article a:hover { color: var(--accent-hover); }

.back-link {
    display: inline-block;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover { color: var(--accent-hover); }

/* ── Content (impressum etc.) ────────────────────────────── */
.content h2 {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.content p {
    margin-bottom: 1.25rem;
    line-height: 1.75;
}

.content a {
    color: var(--accent);
    text-decoration: none;
}

.content a:hover { color: var(--accent-hover); }

/* ── Honeypot (anti-spam) ──────────────────────────────── */
.hp { position: absolute; left: -9999px; }