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

/* Insologic-Hausschrift lokal eingebettet (kein Google-Fonts/CDN noetig, CSP-sicher) */
@font-face {
    font-family: 'Oxanium';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url('../fonts/oxanium-latin-300-normal.woff2') format('woff2');
}
@font-face {
    font-family: 'Oxanium';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/oxanium-latin-400-normal.woff2') format('woff2');
}
@font-face {
    font-family: 'Oxanium';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/oxanium-latin-500-normal.woff2') format('woff2');
}

:root {
    --tenant-primary: #0057b8;
    --tenant-surface: #ffffff;
    --tenant-accent: #f4a800;
    --tenant-background: #f0f2f5;
    --tenant-text: #1c2b3a;
    --tenant-nav-bg: #1b2a4a;
    --tenant-nav-text: #ffffff;
    --tenant-muted: rgba(28, 43, 58, 0.72);
    --tenant-border: rgba(27, 42, 74, 0.10);
    --tenant-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(244, 168, 0, 0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(0, 87, 184, 0.15), transparent 30%),
        linear-gradient(180deg, #f8fafc 0%, var(--tenant-background) 100%);
    color: var(--tenant-text);
    font-size: 16px;
    line-height: 1.65;
    min-height: 100vh;
}

a {
    color: inherit;
}

.landing-shell,
.tenant-dashboard,
.tenant-admin-wrap {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.landing-shell {
    padding: 32px 0 72px;
}

.landing-hero {
    position: relative;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 32px;
    background:
        radial-gradient(circle at 8% 0%, rgba(96, 165, 250, 0.12), transparent 28%),
        linear-gradient(180deg, #24262a 0%, #16181c 100%);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
    color: #f8fafc;
    overflow: hidden;
}

.landing-hero::after {
    content: "";
    position: absolute;
    inset: auto -80px -120px auto;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.16), transparent 68%);
}

.landing-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 48px;
    height: 48px;
    display: block;
    flex: 0 0 auto;
}

.brand-mark-inline {
    color: #58A6FF;
    overflow: visible;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 108px;
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--tenant-nav-bg);
    color: var(--tenant-nav-text);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-copy strong {
    font-size: 1rem;
}

.brand-copy span {
    color: var(--tenant-muted);
    font-size: 0.92rem;
}

.brand-copy-insologic {
    gap: 6px;
    line-height: 1;
}

.brand-copy-insologic strong {
    color: #f8fafc;
    font-family: 'Oxanium', 'Segoe UI', Arial, sans-serif;
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: .16em;
    white-space: nowrap;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.brand-copy-insologic strong span {
    color: #58A6FF;
    font-size: inherit;
}

.brand-copy-insologic small {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #cbd5e1;
    font-family: 'Oxanium', 'Segoe UI', Arial, sans-serif;
    font-size: .56rem;
    font-weight: 500;
    letter-spacing: .2em;
    white-space: nowrap;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.brand-copy-insologic small span {
    color: inherit;
    font-size: inherit;
}

.brand-copy-insologic small i {
    display: block;
    width: 3px;
    height: 3px;
    border-radius: 999px;
    background: #58A6FF;
}

.brand-copy-insologic::after {
    content: "";
    display: block;
    width: 34px;
    height: 3px;
    margin-top: 2px;
    border-radius: 999px;
    background: #58A6FF;
}

.topbar-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: #f8fafc;
    text-decoration: none;
    font-weight: 700;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.95fr);
    gap: 28px;
    align-items: stretch;
}

.hero-copy {
    padding: 18px 8px 8px;
}

.hero-kicker,
.section-intro span,
.story-copy span,
.hero-card-label,
.tenant-login-kicker {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(0, 87, 184, 0.10);
    color: var(--tenant-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.landing-hero .hero-kicker,
.landing-hero .hero-card-label {
    background: rgba(96, 165, 250, 0.12);
    color: #bfdbfe;
}

.hero-copy h1 {
    margin-top: 18px;
    font-size: clamp(2.6rem, 4vw, 4.7rem);
    line-height: 1.03;
    letter-spacing: -0.04em;
    max-width: 12ch;
    color: #f8fafc;
}

.hero-text {
    margin-top: 22px;
    max-width: 60ch;
    font-size: 1.08rem;
    color: #cbd5e1;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.btn-hero-primary,
.btn-hero-secondary,
.story-link,
.tenant-login-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn-hero-primary,
.story-link,
.tenant-login-link {
    background: var(--tenant-primary);
    color: #fff;
    box-shadow: 0 14px 30px rgba(0, 87, 184, 0.22);
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(27, 42, 74, 0.12);
}

.landing-hero .btn-hero-secondary {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.14);
    color: #f8fafc;
}

.btn-hero-primary:hover,
.btn-hero-secondary:hover,
.story-link:hover,
.tenant-login-link:hover {
    transform: translateY(-1px);
}

.hero-card,
.story-panel,
.feature-card,
.value-strip article,
.tenant-login-card,
.modul-karte,
.admin-kachel,
.login-card {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--tenant-border);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
}

.hero-card {
    position: relative;
    padding: 24px;
    border-radius: 26px;
    overflow: hidden;
}

.hero-card h2 {
    margin-top: 16px;
    font-size: 1.55rem;
    line-height: 1.15;
}

.hero-card p {
    margin-top: 14px;
    color: var(--tenant-muted);
}

.hero-visual {
    margin-top: 22px;
    padding: 18px;
    border-radius: 22px;
    background:
        linear-gradient(180deg, rgba(27, 42, 74, 0.96), rgba(27, 42, 74, 0.86)),
        linear-gradient(140deg, rgba(0, 87, 184, 0.18), rgba(244, 168, 0, 0.18));
    color: #fff;
}

.hero-visual-window {
    display: flex;
    gap: 7px;
}

.hero-visual-window span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
}

.hero-visual-chart {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: end;
    gap: 12px;
    height: 110px;
    margin-top: 18px;
}

.hero-bar {
    border-radius: 16px 16px 10px 10px;
    background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,255,255,0.32));
}

.hero-bar-a { height: 46%; }
.hero-bar-b { height: 74%; }
.hero-bar-c { height: 58%; }
.hero-bar-d { height: 88%; background: linear-gradient(180deg, var(--tenant-accent), rgba(255,255,255,0.40)); }

.hero-visual-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 18px;
}

.hero-visual-metrics div {
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.12);
}

.hero-visual-metrics strong {
    display: block;
    font-size: 0.95rem;
}

.hero-visual-metrics span {
    display: block;
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.84rem;
}

.hero-facts {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.hero-facts div {
    padding-top: 16px;
    border-top: 1px solid rgba(27, 42, 74, 0.10);
}

.hero-facts dt {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--tenant-primary);
}

.hero-facts dd {
    margin-top: 6px;
    font-weight: 600;
}

.value-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.value-strip article {
    padding: 22px;
    border-radius: 22px;
}

.value-strip strong {
    display: block;
    font-size: 1.02rem;
}

.value-strip span {
    display: block;
    margin-top: 10px;
    color: var(--tenant-muted);
}

.content-section,
.story-section,
.showcase-section {
    margin-top: 26px;
    padding: 28px;
    border-radius: 28px;
    border: 1px solid var(--tenant-border);
    background: rgba(255, 255, 255, 0.70);
}

.section-intro {
    max-width: 760px;
}

.section-intro h2,
.story-copy h2 {
    margin-top: 16px;
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    line-height: 1.1;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 24px;
}

.feature-card {
    padding: 24px;
    border-radius: 24px;
}

.feature-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: rgba(0, 87, 184, 0.10);
    color: var(--tenant-primary);
    font-weight: 800;
}

.feature-card h3 {
    margin-top: 18px;
    font-size: 1.16rem;
}

.feature-card p {
    margin-top: 10px;
    color: var(--tenant-muted);
}

.showcase-section {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 22px;
    align-items: start;
}

.showcase-copy h2 {
    margin-top: 16px;
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    line-height: 1.1;
}

.showcase-copy p {
    margin-top: 14px;
    color: var(--tenant-muted);
}

.showcase-board {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 16px;
    padding: 18px;
    border-radius: 24px;
    background:
        linear-gradient(145deg, rgba(27, 42, 74, 0.96), rgba(27, 42, 74, 0.88)),
        linear-gradient(160deg, rgba(0, 87, 184, 0.14), rgba(244, 168, 0, 0.14));
    color: #fff;
    box-shadow: 0 22px 46px rgba(15, 23, 42, 0.16);
}

.showcase-sidebar {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px 14px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
}

.showcase-sidebar strong {
    font-size: 1rem;
}

.showcase-sidebar span {
    color: rgba(255, 255, 255, 0.72);
}

.showcase-main {
    display: grid;
    gap: 14px;
}

.showcase-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.showcase-strip article,
.showcase-panel {
    padding: 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.showcase-strip strong {
    display: block;
    font-size: 1.4rem;
}

.showcase-strip span,
.showcase-panel span {
    display: block;
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.70);
    font-size: 0.85rem;
}

.showcase-panels {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.showcase-panel strong {
    display: block;
    margin-top: 10px;
    font-size: 1rem;
    line-height: 1.35;
}

.showcase-panel-large {
    grid-column: 1 / -1;
    min-height: 144px;
    background:
        linear-gradient(135deg, rgba(0, 87, 184, 0.30), rgba(255, 255, 255, 0.08)),
        rgba(255, 255, 255, 0.10);
}

.story-section {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.85fr);
    gap: 22px;
    align-items: start;
}

.story-copy p,
.story-panel p {
    margin-top: 14px;
    color: var(--tenant-muted);
}

.story-panel {
    padding: 24px;
    border-radius: 24px;
}

.story-panel h3 {
    font-size: 1.2rem;
}

.story-link {
    margin-top: 18px;
}

.tenant-login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(700px, calc(100% - 32px));
    margin: 0 auto;
}

.tenant-login-card {
    width: min(520px, 100%);
    padding: 36px;
    border-radius: 28px;
    text-align: center;
}

.tenant-login-card h1 {
    margin-top: 16px;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.06;
}

.tenant-login-card p {
    margin-top: 16px;
    color: var(--tenant-muted);
}

.tenant-login-link {
    margin-top: 24px;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 0;
}

.auth-shell {
    width: min(780px, calc(100% - 32px));
    margin: 0 auto;
}

.auth-card {
    padding: 34px;
    border-radius: 30px;
    border: 1px solid var(--tenant-border);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.86)),
        linear-gradient(160deg, color-mix(in srgb, var(--tenant-primary), transparent 92%), color-mix(in srgb, var(--tenant-accent), transparent 92%));
    box-shadow: var(--tenant-shadow);
    backdrop-filter: blur(18px);
}

.auth-card-wide {
    width: min(720px, 100%);
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.auth-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: var(--tenant-nav-bg);
    color: var(--tenant-nav-text);
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.auth-brand-mark svg {
    width: 100%;
    height: 100%;
    display: block;
}

.auth-brand-copy {
    display: grid;
    gap: 4px;
}

.auth-brand-copy strong {
    font-size: 1.05rem;
}

.auth-brand-copy span {
    color: var(--tenant-muted);
    font-size: 0.92rem;
}

.auth-copy {
    margin-top: 24px;
}

.auth-copy .landing-title {
    margin-top: 16px;
    font-size: clamp(2.1rem, 4vw, 3.7rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    max-width: 14ch;
}

.auth-copy .landing-copy {
    margin-top: 18px;
    max-width: 58ch;
    color: var(--tenant-muted);
    font-size: 1.04rem;
}

.auth-form {
    display: grid;
    gap: 18px;
    margin-top: 26px;
}

.auth-field {
    display: grid;
    gap: 8px;
}

.auth-label {
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--tenant-primary);
}

.auth-input {
    width: 100%;
    min-height: 56px;
    padding: 0 18px;
    border: 1px solid rgba(27, 42, 74, 0.16);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--tenant-text);
    font: inherit;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.auth-input:focus {
    outline: none;
    border-color: color-mix(in srgb, var(--tenant-primary), white 18%);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--tenant-primary), transparent 86%);
}

.auth-submit {
    width: 100%;
    min-height: 52px;
    border: 0;
    border-radius: 18px;
    background: var(--tenant-primary);
    color: #fff;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(0, 87, 184, 0.22);
    transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}

.auth-submit:hover {
    transform: translateY(-1px);
}

.auth-error,
.auth-info {
    display: grid;
    gap: 6px;
    padding: 14px 16px;
    border-radius: 18px;
}

.auth-error {
    border: 1px solid rgba(184, 37, 37, 0.18);
    background: rgba(184, 37, 37, 0.08);
    color: #8f1d1d;
}

.auth-error strong {
    font-size: 0.9rem;
}

.auth-info {
    margin-top: 24px;
    border: 1px solid rgba(27, 42, 74, 0.10);
    background: rgba(255, 255, 255, 0.78);
    color: var(--tenant-muted);
}

/* Registrierung */
.registration-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 32px 0 72px;
}

.registration-shell::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(circle at 15% 8%, color-mix(in srgb, var(--tenant-accent), transparent 70%), transparent 28%),
        radial-gradient(circle at 88% 18%, color-mix(in srgb, var(--tenant-primary), transparent 72%), transparent 30%);
}

.registration-hero,
.registration-card,
.registration-side,
.registration-confirmation {
    border: 1px solid var(--tenant-border);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.82)),
        linear-gradient(160deg, color-mix(in srgb, var(--tenant-primary), transparent 92%), color-mix(in srgb, var(--tenant-accent), transparent 92%));
    box-shadow: var(--tenant-shadow);
    backdrop-filter: blur(18px);
}

.registration-hero {
    position: relative;
    padding: 32px;
    border-radius: 30px;
    overflow: hidden;
}

.registration-hero::after {
    content: "";
    position: absolute;
    right: -70px;
    bottom: -90px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--tenant-primary), transparent 78%), transparent 68%);
}

.registration-back {
    display: inline-flex;
    position: relative;
    z-index: 1;
    margin-bottom: 22px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,.62);
    color: var(--tenant-text);
    text-decoration: none;
    font-weight: 700;
}

.registration-hero h1,
.registration-confirmation h1 {
    position: relative;
    z-index: 1;
    max-width: 12ch;
    margin-top: 18px;
    font-size: clamp(2.4rem, 4vw, 4.1rem);
    line-height: 1.04;
    letter-spacing: -0.04em;
}

.registration-hero p,
.registration-confirmation p {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin-top: 18px;
    color: var(--tenant-muted);
    font-size: 1.06rem;
}

.registration-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
    gap: 22px;
    margin-top: 24px;
    align-items: start;
}

.registration-card,
.registration-side,
.registration-confirmation {
    border-radius: 28px;
    padding: 28px;
}

.registration-card {
    background: rgba(255, 255, 255, 0.92);
}

.registration-section {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin: 8px 0 20px;
}

.registration-section > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: rgba(0, 87, 184, 0.10);
    color: var(--tenant-primary);
    font-weight: 900;
}

.registration-section h2 {
    font-size: 1.22rem;
    line-height: 1.2;
}

.registration-section p,
.registration-side span {
    color: var(--tenant-muted);
}

.registration-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.registration-field {
    display: grid;
    gap: 7px;
}

.registration-field > span,
.registration-consent span {
    font-size: 0.86rem;
    font-weight: 800;
}

.registration-field input,
.registration-field select,
.registration-field textarea {
    width: 100%;
    border: 1px solid rgba(27, 42, 74, 0.16);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
    padding: 12px 14px;
    color: var(--tenant-text);
    font: inherit;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.registration-field input:focus,
.registration-field select:focus,
.registration-field textarea:focus {
    outline: none;
    border-color: color-mix(in srgb, var(--tenant-primary), white 18%);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--tenant-primary), transparent 86%);
}

.registration-field textarea {
    resize: vertical;
}

.registration-field-wide {
    grid-column: 1 / -1;
}

.subdomain-input {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    border: 1px solid rgba(27, 42, 74, 0.16);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
    overflow: hidden;
}

.subdomain-input input {
    border: 0;
    border-radius: 0;
    background: transparent;
}

.subdomain-input strong {
    padding-right: 14px;
    color: var(--tenant-muted);
}

.registration-consent {
    display: grid;
    gap: 10px;
    margin-bottom: 22px;
}

.registration-consent label {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.registration-consent input {
    margin-top: 5px;
}

.registration-submit {
    min-height: 50px;
    border: 0;
    border-radius: 16px;
    padding: 0 22px;
    background: linear-gradient(135deg, var(--tenant-primary), color-mix(in srgb, var(--tenant-primary), var(--tenant-accent) 18%));
    color: #fff;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(0, 87, 184, 0.22);
}

.registration-submit:hover {
    transform: translateY(-1px);
}

.registration-side {
    display: grid;
    gap: 18px;
}

.registration-side h2 {
    font-size: 1.3rem;
}

.registration-side div {
    padding-top: 18px;
    border-top: 1px solid var(--tenant-border);
}

.registration-side div::before {
    content: "";
    display: block;
    width: 34px;
    height: 4px;
    margin-bottom: 12px;
    border-radius: 999px;
    background: var(--tenant-accent);
}

.registration-side strong,
.registration-side span {
    display: block;
}

.registration-token {
    display: inline-grid;
    gap: 4px;
    margin: 24px 0;
    padding: 14px 18px;
    border-radius: 16px;
    background: rgba(0, 87, 184, 0.08);
}

.registration-token span {
    color: var(--tenant-muted);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.registration-token strong {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

/* Registrierung: finaler Formular-Look, bewusst ohne experimentelle CSS-Funktionen. */
.registration-shell {
    display: grid;
    gap: 24px;
}

.registration-hero {
    min-height: 300px;
    display: grid;
    align-content: end;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.86)),
        radial-gradient(circle at 82% 18%, rgba(0, 87, 184, 0.18), transparent 34%),
        radial-gradient(circle at 12% 12%, rgba(244, 168, 0, 0.18), transparent 28%);
}

.registration-back {
    width: fit-content;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.registration-hero h1 {
    max-width: 780px;
}

.registration-layout {
    margin-top: 0;
}

.registration-card {
    display: grid;
    gap: 22px;
    padding: clamp(22px, 3vw, 34px);
}

.registration-section {
    margin: 0;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--tenant-border);
}

.registration-section > span {
    flex: 0 0 auto;
}

.registration-section h2 {
    margin: 0;
}

.registration-grid {
    margin-bottom: 8px;
}

.registration-grid:first-of-type .registration-field:first-child {
    grid-column: 1 / -1;
}

.registration-field > span {
    color: rgba(28, 43, 58, 0.72);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.registration-field input,
.registration-field select,
.registration-field textarea,
.subdomain-input {
    min-height: 48px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.registration-field textarea {
    min-height: 110px;
}

.subdomain-input input:focus {
    box-shadow: none;
}

.registration-consent {
    padding: 18px;
    border: 1px solid var(--tenant-border);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.68);
}

.registration-submit {
    width: 100%;
    min-height: 56px;
    font-size: 1rem;
}

.registration-side {
    position: sticky;
    top: 22px;
    background:
        linear-gradient(180deg, rgba(27, 42, 74, 0.96), rgba(12, 22, 40, 0.94)),
        radial-gradient(circle at top right, rgba(244, 168, 0, 0.28), transparent 34%);
    color: #fff;
}

.registration-side h2,
.registration-side strong {
    color: #fff;
}

.registration-side span {
    color: rgba(255, 255, 255, 0.72);
}

.registration-side div {
    border-top-color: rgba(255, 255, 255, 0.14);
}

/* Login */
.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: min(1080px, calc(100% - 32px));
    margin: 0 auto;
}

.login-card {
    border-radius: 24px;
    padding: 32px 28px;
    width: min(380px, 100%);
}

.login-logo {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--tenant-primary);
    text-align: center;
    margin-bottom: 1.8rem;
}

.login-field { margin-bottom: 1rem; }
.login-field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .3rem; }

.login-input {
    width: 100%;
    padding: .7rem .85rem;
    border: 1px solid #c8d0da;
    border-radius: 12px;
    font-size: .95rem;
    background: rgba(255, 255, 255, 0.92);
}

.login-input:focus {
    outline: 2px solid rgba(0, 87, 184, 0.18);
    border-color: var(--tenant-primary);
}

.login-field-inline { display: flex; align-items: center; gap: .5rem; margin-bottom: 1rem; font-size: .85rem; }

.login-btn {
    width: 100%;
    padding: .8rem;
    background: var(--tenant-primary);
    color: #fff;
    border: none;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: .5rem;
}

.login-error { color: #c0392b; font-size: .8rem; }

.login-error-box {
    background: #fde8e8;
    color: #c0392b;
    padding: .65rem .85rem;
    border-radius: 12px;
    font-size: .85rem;
    margin-bottom: .75rem;
}

/* Tenant dashboard/admin */
.tenant-dashboard,
.tenant-admin-wrap {
    max-width: 960px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.modul-karte {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-radius: 18px;
    padding: 1.2rem 1.5rem;
    margin-top: 1rem;
}

.modul-karte-icon { font-size: 2rem; }
.modul-karte-info { flex: 1; }
.modul-karte-name { font-weight: 700; font-size: 1rem; }
.modul-karte-desc { font-size: .85rem; color: #6b7280; }

.modul-karte-link {
    padding: .55rem 1rem;
    background: var(--tenant-primary);
    color: #fff;
    border-radius: 12px;
    text-decoration: none;
    font-size: .85rem;
    font-weight: 700;
}

.tenant-leer { color: #6b7280; margin-top: 1.5rem; }

.admin-kacheln {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.admin-kachel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
    border-radius: 18px;
    padding: 1.5rem 2rem;
    text-decoration: none;
    color: var(--tenant-text);
    transition: transform .15s ease, box-shadow .15s ease;
    min-width: 160px;
}

.admin-kachel:hover {
    transform: translateY(-1px);
    box-shadow: 0 22px 48px rgba(15, 23, 42, 0.12);
}

.admin-kachel-icon { font-size: 2.2rem; }
.admin-kachel-title { font-weight: 700; font-size: .95rem; }

@media (max-width: 980px) {
    .hero-grid,
    .story-section,
    .feature-grid,
    .value-strip,
    .showcase-section {
        grid-template-columns: 1fr;
    }

    .showcase-board {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .landing-shell {
        width: min(100% - 20px, 1180px);
        padding-top: 18px;
    }

    .landing-hero,
    .content-section,
    .story-section {
        padding: 20px;
        border-radius: 24px;
    }

    .landing-topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .brand-lockup {
        align-items: center;
        flex-direction: row;
    }

    .hero-copy h1 {
        font-size: 2.3rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .showcase-strip,
    .showcase-panels,
    .hero-visual-metrics,
    .registration-layout,
    .registration-grid {
        grid-template-columns: 1fr;
    }

    .registration-field-wide {
        grid-column: auto;
    }
}