/* ==========================================================================
   Symposium "Gesundes Sitzen" - Static Site Stylesheet
   Design: OTH Regensburg / Forschungsstelle Orthopaedie und Ergonomie
   Farben: Schwarz, Senfgelb/Ocker, Tuerkis (Roentgen-Teal)
   ========================================================================== */

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

:root {
    --accent-ocker: #d9a42b;
    --accent-ocker-dark: #b8861c;
    --accent-teal: #2aa7a8;
    --accent-teal-dark: #1f8384;
    --text: #1a1a1a;
    --text-light: #555;
    --text-muted: #8a8a8a;
    --bg: #ffffff;
    --bg-alt: #f7f7f5;
    --bg-dark: #111111;
    --border: #e5e3df;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
    --max-width: 1180px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Helvetica Neue", Helvetica, Arial, sans-serif;
    --radius: 6px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 110px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent-teal-dark);
    text-decoration: none;
    transition: color 0.2s;
    word-break: break-word;
}

a:hover {
    color: var(--accent-ocker-dark);
    text-decoration: underline;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-display);
    letter-spacing: -0.01em;
    color: var(--text);
}

/* ==========================================================================
   Archiv-Banner
   ========================================================================== */

.archive-banner {
    background: #fff3cd;
    border-bottom: 2px solid #ffc107;
    color: #664d03;
    font-size: 0.88rem;
    padding: 0.55rem 1.5rem;
    text-align: center;
    line-height: 1.4;
}

.archive-banner strong {
    color: #664d03;
}

.archive-banner-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

/* ==========================================================================
   Top Bar (Kontakt)
   ========================================================================== */

.topbar {
    background: #000;
    color: #fff;
    font-size: 0.82rem;
    padding: 0.45rem 1.5rem;
}

.topbar a {
    color: #fff;
}

.topbar a:hover {
    color: var(--accent-ocker);
    text-decoration: none;
}

.topbar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-mail::before {
    content: "\2709";
    margin-right: 0.4rem;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.6rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
}

.site-logo img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.site-logo .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.site-logo .logo-title {
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.site-logo .logo-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 0.15rem;
}

.main-nav a {
    display: block;
    padding: 0.5rem 0.85rem;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: background 0.2s, color 0.2s;
}

.main-nav a:hover {
    background: var(--bg-alt);
    color: var(--accent-teal-dark);
    text-decoration: none;
}

.main-nav a.active {
    color: var(--accent-ocker-dark);
    background: transparent;
    text-decoration: none;
}

.main-nav a.cta {
    background: var(--accent-ocker);
    color: #fff;
    padding: 0.5rem 1.1rem;
    margin-left: 0.25rem;
}

.main-nav a.cta:hover {
    background: var(--accent-ocker-dark);
    color: #fff;
}

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--text);
    margin: 5px 0;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
    background: var(--bg-alt);
    position: relative;
    overflow: hidden;
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.5rem 1.5rem 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid var(--accent-ocker);
    color: var(--accent-ocker-dark);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    background: #fff;
}

.hero-badge.with-globe::before {
    content: "\1F30D";
    font-size: 1rem;
}

.hero-badge.date-badge::before {
    content: "\1F4C5";
    font-size: 0.95rem;
}

.hero-banner {
    margin: 0 -1.5rem;
    line-height: 0;
}

.hero-banner img {
    width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Sections
   ========================================================================== */

section {
    padding: 4rem 1.5rem;
    scroll-margin-top: 90px;
}

section.tight {
    padding: 2.5rem 1.5rem;
}

.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

section.alt {
    background: var(--bg-alt);
}

section.dark {
    background: var(--bg-dark);
    color: #f0f0f0;
}

section.dark h2,
section.dark h3,
section.dark h4 {
    color: #fff;
}

section.dark a {
    color: var(--accent-ocker);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-ocker-dark);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

.section-heading {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
}

.section-heading::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-ocker);
    margin-top: 0.75rem;
    border-radius: 2px;
}

.section-heading.center {
    text-align: center;
}

.section-heading.center::after {
    margin-left: auto;
    margin-right: auto;
}

.section-lead {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 800px;
    margin-bottom: 2rem;
}

/* ==========================================================================
   Home: Grifka-Intro
   ========================================================================== */

.grifka-intro p {
    margin-bottom: 1rem;
    text-align: justify;
}

.grifka-signature {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 2px solid var(--accent-ocker);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.grifka-signature strong {
    font-size: 1.05rem;
}

.grifka-signature .title {
    color: var(--text-light);
    font-size: 0.92rem;
}

/* Two-column days overview */
.days-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2.5rem;
}

.day-card {
    background: #fff;
    border: 1px solid var(--border);
    border-top: 6px solid var(--accent-ocker);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
}

.day-card.day2 {
    border-top-color: var(--accent-teal);
}

.day-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.day-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
}

.day-card .day-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.day-card ul {
    list-style: none;
    padding: 0;
}

.day-card li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    font-size: 0.95rem;
    border-bottom: 1px dashed var(--border);
}

.day-card li:last-child {
    border-bottom: none;
}

.day-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1em;
    width: 8px;
    height: 8px;
    background: var(--accent-ocker);
    border-radius: 50%;
}

.day-card.day2 li::before {
    background: var(--accent-teal);
}

.day-card strong {
    display: inline-block;
    color: var(--text);
}

/* Festvortrag highlight */
.festvortrag {
    margin-top: 3rem;
    background: #fff;
    border-left: 5px solid var(--accent-ocker);
    border-radius: var(--radius);
    padding: 0;
    display: grid;
    grid-template-columns: minmax(260px, 1fr) 2fr;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.festvortrag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 240px;
}

.festvortrag-body {
    padding: 1.75rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.festvortrag-eyebrow {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-ocker-dark);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.festvortrag h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.festvortrag p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.festvortrag .photo-credit {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    font-style: italic;
}

/* ==========================================================================
   Programm
   ========================================================================== */

.programm-image {
    margin: 2rem 0 1.5rem;
    background: #fff;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.programm-image img {
    width: 100%;
    height: auto;
}

.programm-days {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2.5rem;
}

.programm-day {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.programm-day-header {
    background: var(--accent-ocker);
    color: #fff;
    padding: 1rem 1.5rem;
}

.programm-day.teal .programm-day-header {
    background: var(--accent-teal);
}

.programm-day-header .day-date {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.9;
}

.programm-day-header h3 {
    color: #fff;
    font-size: 1.25rem;
    margin-top: 0.2rem;
}

.programm-list {
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
}

.programm-list li {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
    align-items: start;
}

.programm-list li:last-child {
    border-bottom: none;
}

.programm-list li.break {
    background: var(--bg-alt);
    color: var(--text-light);
    font-style: italic;
}

.programm-list li.highlight {
    background: #fff8e6;
}

.programm-list li.topic {
    background: transparent;
    padding-top: 1.1rem;
    padding-bottom: 0.45rem;
    border-bottom: 2px solid var(--accent-ocker);
}

.programm-day.teal .programm-list li.topic {
    border-bottom-color: var(--accent-teal);
}

.programm-list .entry-topic {
    display: block;
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--accent-ocker-dark);
    letter-spacing: 0.01em;
}

.programm-day.teal .programm-list .entry-topic {
    color: var(--accent-teal-dark);
}

.programm-list li.roundtable {
    background: var(--bg-alt);
}

.programm-list li.roundtable .entry-title {
    font-style: italic;
    font-weight: 600;
}

.programm-list .time {
    font-weight: 600;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.programm-list .entry-title {
    display: block;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.programm-list .entry-speaker {
    display: block;
    color: var(--text-light);
    font-size: 0.85rem;
}

.programm-note {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

.programm-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.65rem 1.3rem;
    border: 2px solid var(--accent-teal);
    color: var(--accent-teal-dark);
    border-radius: var(--radius);
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.programm-download:hover {
    background: var(--accent-teal);
    color: #fff;
    text-decoration: none;
}

.programm-download::before {
    content: "\2B07";
    font-size: 1rem;
}

/* ==========================================================================
   Referenten Grid
   ========================================================================== */

.referenten-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.referent {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.25rem 1.5rem;
    transition: box-shadow 0.2s, transform 0.2s;
    position: relative;
    border-left: 4px solid var(--accent-ocker);
}

.referent.day-1 {
    border-left-color: var(--accent-ocker);
}

.referent.day-2 {
    border-left-color: var(--accent-teal);
}

/* Referent tritt an beiden Tagen auf: Gradient Ocker -> Teal im border-left.
   Nur border-image verwenden, damit die Strichbreite exakt 4px bleibt -
   identisch zu .day-1 und .day-2. Kein zusaetzlicher background-image-Layer. */
.referent.day-both {
    border-left: 4px solid var(--accent-ocker); /* Fallback-Farbe, falls border-image nicht unterstuetzt */
    border-image: linear-gradient(to bottom, var(--accent-ocker) 0%, var(--accent-ocker) 45%, var(--accent-teal) 55%, var(--accent-teal) 100%) 1;
}

.referent:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.referent h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.35rem;
    line-height: 1.35;
}

.referent .role {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

.referent .city {
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--accent-ocker-dark);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.referent.day-2 .city {
    color: var(--accent-teal-dark);
}

.referent.day-both .city {
    /* Gradient-Text als visuelle Andeutung 'beide Tage' */
    background: linear-gradient(90deg, var(--accent-ocker-dark) 0%, var(--accent-teal-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ==========================================================================
   Veranstaltungsort
   ========================================================================== */

.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
    margin-top: 2rem;
}

.location-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--accent-teal-dark);
}

.location-info p {
    margin-bottom: 1rem;
}

.location-info address {
    font-style: normal;
    font-size: 1.05rem;
    line-height: 1.7;
    padding: 1rem 1.25rem;
    background: var(--bg-alt);
    border-left: 4px solid var(--accent-ocker);
    border-radius: var(--radius);
    margin: 0.5rem 0;
}

.location-map {
    aspect-ratio: 4 / 3;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.location-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

/* ==========================================================================
   Anreise & Unterkunft
   ========================================================================== */

.anreise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
    margin-top: 2rem;
}

.anreise-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.anreise-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--accent-teal-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.anreise-card h3::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--accent-ocker);
    border-radius: 50%;
}

.anreise-card p {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.anreise-card ul {
    margin: 0.5rem 0 0.75rem 1.25rem;
    font-size: 0.93rem;
}

.anreise-card li {
    margin-bottom: 0.4rem;
}

.anreise-card strong {
    color: var(--text);
}

/* ==========================================================================
   Anmeldung (CTA)
   ========================================================================== */

.anmeldung-box {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #fff8e6 0%, #ffffff 100%);
    border: 1px solid var(--border);
    border-top: 6px solid var(--accent-ocker);
    border-radius: var(--radius);
    max-width: 780px;
    margin: 2rem auto 0;
    box-shadow: var(--shadow);
}

.anmeldung-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.anmeldung-box p {
    color: var(--text-light);
    max-width: 560px;
    margin: 0 auto 1.5rem;
}

.anmeldung-box .btn-primary {
    display: inline-block;
    background: var(--accent-ocker);
    color: #fff;
    padding: 0.9rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, transform 0.15s;
}

.anmeldung-box .btn-primary:hover {
    background: var(--accent-ocker-dark);
    transform: translateY(-1px);
    color: #fff;
    text-decoration: none;
}

.anmeldung-meta {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}

.anmeldung-meta-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    /* Schrift in der Farbe des Sektions-Hintergrunds (dark) -> stark kontrastierend */
    color: var(--bg-dark);
}

/* Spezifischer als `section.dark h4` (0,1,2), damit der dunkle Text in
   den weissen Cards sichtbar bleibt. */
section.dark .anmeldung-meta-card h4,
.anmeldung-meta-card h4 {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--bg-dark);
    margin-bottom: 0.5rem;
}

.anmeldung-meta-card p {
    font-size: 0.95rem;
    margin: 0.15rem 0;
    color: var(--bg-dark);
}

.anmeldung-meta-card a {
    color: var(--bg-dark);
    text-decoration: underline;
}

.anmeldung-meta-card a:hover {
    color: var(--accent-ocker-dark);
}

/* ==========================================================================
   Datenschutz / Impressum
   ========================================================================== */

.legal-content {
    max-width: 880px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-ocker);
}

.legal-content h3 {
    font-size: 1.2rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--accent-teal-dark);
}

.legal-content h4 {
    font-size: 1.05rem;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.legal-content p {
    margin-bottom: 1rem;
    text-align: justify;
}

.legal-content .legal-lead {
    font-size: 1.02rem;
    color: var(--text-muted, #555);
    border-left: 3px solid var(--accent-ocker);
    padding: 0.25rem 0 0.25rem 1rem;
    margin-bottom: 1.75rem;
    text-align: left;
}

.legal-content ul {
    margin: 0.5rem 0 1rem 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-content strong {
    color: var(--text);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: #000;
    color: #ccc;
    padding: 2.5rem 1.5rem 1.5rem;
    margin-top: 0;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #333;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-brand img {
    width: 48px;
    height: auto;
}

.footer-brand .brand-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.footer-brand p {
    font-size: 0.88rem;
    color: #aaa;
    max-width: 340px;
}

.footer-col h5 {
    font-size: 0.8rem;
    color: #fff;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col li {
    margin-bottom: 0.4rem;
}

.footer-col a {
    color: #bbb;
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: var(--accent-ocker);
    text-decoration: none;
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 1.25rem auto 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.82rem;
    color: #888;
}

.footer-bottom a {
    color: #aaa;
}

.footer-bottom a:hover {
    color: var(--accent-ocker);
}

/* ==========================================================================
   E-Mail-Obfuscation
   .obf-email wird via JS in einen klickbaren <a> umgewandelt.
   Ohne JS sieht der Nutzer die obskurierte Textform, Bots ebenso.
   ========================================================================== */

.obf-email {
    font-style: normal;
    color: inherit;
    white-space: nowrap;
}

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

@media (max-width: 960px) {
    .days-grid,
    .programm-days,
    .location-grid {
        grid-template-columns: 1fr;
    }

    .festvortrag {
        grid-template-columns: 1fr;
    }

    .festvortrag img {
        min-height: 220px;
        max-height: 320px;
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        padding: 0.75rem 1rem;
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav a {
        padding: 0.75rem 1rem;
    }

    .main-nav a.cta {
        margin-left: 0;
        margin-top: 0.5rem;
        text-align: center;
    }

    section {
        padding: 2.75rem 1.25rem;
    }

    .section-heading {
        font-size: 1.6rem;
    }

    .programm-list li {
        grid-template-columns: 60px 1fr;
        gap: 0.75rem;
        padding: 0.65rem 1rem;
        font-size: 0.88rem;
    }

    .hero-inner {
        padding: 1rem 1.25rem 0;
    }

    .hero-banner {
        margin: 0 -1.25rem;
    }

    .site-logo .logo-sub {
        display: none;
    }

    .anmeldung-box {
        padding: 2rem 1.25rem;
    }

    .topbar-inner {
        justify-content: center;
        flex-wrap: wrap;
        font-size: 0.78rem;
    }
}

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .referenten-grid {
        grid-template-columns: 1fr;
    }
}