:root {
    --teal-50:  #e0f2f1;
    --teal-100: #b2dfdb;
    --teal-300: #4db6ac;
    --teal-500: #009688;
    --teal-600: #00897b;
    --teal-700: #00796b;
    --teal-900: #004d40;

    --brand:        #009688;
    --brand-hover:  #00796b;
    --brand-dark:   #004d40;

    --bg:       #fafafa;
    --surface:  #ffffff;
    --on-surface: #1c1b1f;
    --on-surface-muted: #5f6368;
    --outline:  #e0e0e0;
    --header-bg: rgba(255,255,255,.92);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
    --shadow-lg: 0 20px 60px rgba(0,77,64,.18), 0 8px 24px rgba(0,0,0,.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, sans-serif;
    color: var(--on-surface);
    background: var(--bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--brand-hover); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; letter-spacing: -.01em; }
h3 { font-size: 1.15rem; font-weight: 600; }

p { margin: 0 0 1em; }

/* ── Layout ────────────────────────────────────────────────── */

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.muted   { color: var(--on-surface-muted); font-weight: 500; }
.accent  { color: var(--brand); }

/* ── Header & Navigation ────────────────────────────────────── */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--header-bg);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--outline);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--on-surface);
    font-weight: 700;
    font-size: 1.15rem;
    text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-logo {
    width: 36px;
    height: 36px;
    display: block;
}
.brand-name {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--brand);
    letter-spacing: -.01em;
}
.nav { display: flex; align-items: center; gap: 24px; }
.nav a { color: var(--on-surface); font-weight: 500; }
.nav a:hover { color: var(--brand-hover); text-decoration: none; }
.nav-cta {
    background: var(--brand);
    color: #fff !important;
    padding: 8px 16px;
    border-radius: 999px;
    transition: background .2s ease;
}
.nav-cta:hover { background: var(--brand-hover); }

@media (max-width: 640px) {
    .nav a:not(.nav-cta) { display: none; }
}

/* ── Buttons ─────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    transition: all .2s ease;
}
.btn-primary {
    background: var(--brand);
    color: #fff;
}
.btn-primary:hover {
    background: var(--brand-hover);
    text-decoration: none;
}
.btn-outline {
    background: transparent;
    color: var(--on-surface);
    border: 2px solid var(--outline);
}
.btn-outline:hover {
    border-color: var(--brand);
    color: var(--brand);
    text-decoration: none;
}

/* ── Hero (landing page) ─────────────────────────────────────── */

.hero {
    background:
        radial-gradient(1000px 500px at 85% 0%, var(--teal-100) 0%, transparent 60%),
        radial-gradient(600px 300px at -10% 120%, var(--teal-50) 0%, transparent 50%);
    padding: 80px 0 64px;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero-label {
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--on-surface-muted);
    font-weight: 600;
    margin-bottom: 12px;
}
.hero-content .lead {
    font-size: 1.15rem;
    color: var(--on-surface-muted);
    max-width: 42rem;
    margin-bottom: 28px;
}
.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

@media (max-width: 800px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
}

/* ── Hero (sub-page / app landing) ───────────────────────────── */

.hero-logo {
    width: 88px;
    height: 88px;
    display: block;
    margin-bottom: 20px;
    filter: drop-shadow(0 6px 16px rgba(0, 121, 107, 0.25));
}
@media (max-width: 860px) {
    .hero-logo { width: 72px; height: 72px; }
}
.hero-text .lead {
    font-size: 1.15rem;
    color: var(--on-surface-muted);
    max-width: 38rem;
    margin-bottom: 28px;
}
.hint {
    margin-top: 14px;
    font-size: .9rem;
    color: var(--on-surface-muted);
}
.hero-art {
    display: flex;
    justify-content: center;
}

@media (max-width: 860px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-art { order: -1; }
}

/* ── Store Badges ────────────────────────────────────────────── */

.store-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.store-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #000;
    color: #fff !important;
    padding: 10px 18px;
    border-radius: 12px;
    text-decoration: none;
    min-width: 180px;
    transition: transform .15s ease, box-shadow .15s ease;
    box-shadow: var(--shadow-sm);
}
.store-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}
.store-badge-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.store-badge-text small {
    font-size: .7rem;
    opacity: .85;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.store-badge-text strong {
    font-size: 1.15rem;
    font-weight: 600;
}
.store-badge.coming-soon {
    position: relative;
    cursor: default;
    opacity: .75;
    pointer-events: none;
}
.store-badge.coming-soon::after {
    content: "Bald verfügbar";
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--brand);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: 3px 10px;
    border-radius: 999px;
    line-height: 1.4;
    white-space: nowrap;
}
.store-badge.coming-soon:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}

.store-badge-icon {
    width: 26px;
    height: 30px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512' fill='white'><path d='M318.7 268.7c-.2-36.7 16.4-64.4 50-84.8-18.8-26.9-47.2-41.7-84.7-44.6-35.5-2.8-74.3 20.7-88.5 20.7-15 0-49.4-19.7-76.4-19.7C63.3 141.2 4 184.8 4 273.5q0 39.3 14.4 81.2c12.8 36.7 59 126.7 107.2 125.2 25.2-.6 43-17.9 75.8-17.9 31.8 0 48.3 17.9 76.4 17.9 48.6-.7 90.4-82.5 102.6-119.3-65.2-30.7-61.7-90-61.7-91.9zM256.3 91.7c30.7-36.4 27.9-69.6 27-81.5-27.1 1.6-58.5 18.5-76.4 39.3-19.7 22.4-31.3 50.1-28.8 80.9 29.3 2.3 56-12.8 78.2-38.7z'/></svg>");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.store-badge-icon.play {
    width: 26px;
    height: 30px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'><path fill='%2300C4FF' d='M48 13.4C40 17.7 35 26 35 35.4v441.2c0 9.4 5 17.8 13 22.1l248-242.4z'/><path fill='%23FFD93B' d='M384 256l-78.4-76.6L48 13.4l326 188.8z'/><path fill='%23FF6B6B' d='M48 498.6l257.6-165.9L384 256 48 498.6z'/><path fill='%2300E676' d='M464 233.2l-80-46.3-78.4 69.1 78.4 76.6 80-46.3c22.7-13.1 22.7-39.9 0-53z'/></svg>");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.store-badge-icon.ms {
    width: 26px;
    height: 26px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M0 0h11.377v11.372H0z'/><path fill='white' d='M12.623 0H24v11.372H12.623z'/><path fill='white' d='M0 12.628h11.377V24H0z'/><path fill='white' d='M12.623 12.628H24V24H12.623z'/></svg>");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* ── App Grid (landing page product cards) ───────────────────── */

.app-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.app-card {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    transition: transform .2s ease, box-shadow .2s ease;
}
.app-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.app-icon {
    font-size: 2.4rem;
    margin-bottom: 12px;
}
.app-card h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}
.app-card p {
    font-size: .85rem;
    color: var(--on-surface-muted);
    margin: 0;
}
.app-card.coming {
    background: var(--teal-50);
    border-color: var(--teal-100);
}
.app-logo {
    width: 48px;
    height: 48px;
    display: block;
    margin: 0 auto 12px;
    border-radius: 12px;
}
.coming-label {
    display: inline-block;
    margin-top: 8px;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--brand);
}
.product-coming-badge {
    display: inline-block;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #fff;
    background: var(--brand);
    padding: 3px 10px;
    border-radius: 999px;
    vertical-align: middle;
    margin-left: 8px;
}

/* ── About Section (landing page) ────────────────────────────── */

.about {
    padding: 96px 0;
    background: var(--surface);
}
.about h2 { text-align: center; margin-bottom: 48px; }
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.about-card {
    background: var(--bg);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    transition: transform .2s ease;
}
.about-card:hover { transform: translateY(-2px); }
.about-card h3 { color: var(--brand); }
.about-card p { color: var(--on-surface-muted); margin: 0; }

/* ── Products Section (landing page) ─────────────────────────── */

.products {
    padding: 96px 0;
    background: linear-gradient(180deg, var(--surface), var(--teal-50));
}
.products h2 { text-align: center; margin-bottom: 56px; }
.product-list {
    display: flex;
    flex-direction: column;
    gap: 48px;
}
.product {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: var(--radius-lg);
    padding: 36px;
    align-items: center;
}
.product-image {
    display: flex;
    justify-content: center;
    align-items: center;
}
.product-preview {
    background: #111;
    border-radius: 24px;
    padding: 16px;
    width: 100%;
    max-width: 260px;
    aspect-ratio: 9/16;
    display: flex;
    flex-direction: column;
}
.preview-header {
    background: var(--brand);
    color: #fff;
    font-weight: 600;
    font-size: .75rem;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 12px;
}
.preview-list {
    background: var(--surface);
    border-radius: 8px;
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.preview-list span {
    font-size: .7rem;
    color: var(--on-surface);
    background: var(--teal-50);
    padding: 8px;
    border-radius: 6px;
}
.product-image.placeholder {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 60px 20px;
    text-align: center;
    border: 2px dashed var(--outline);
    color: var(--on-surface-muted);
}
.product-tag {
    display: inline-block;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--on-surface-muted);
    margin-bottom: 8px;
}
.product-features {
    list-style: none;
    padding: 0;
    margin: 16px 0 24px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    font-size: .9rem;
    color: var(--on-surface-muted);
}

@media (max-width: 800px) {
    .product { grid-template-columns: 1fr; }
    .product-image { order: -1; }
}

/* ── Feature Grid (sub-page) ─────────────────────────────────── */

.features { padding: 96px 0; }
.features h2 { margin-bottom: 48px; }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.feature {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--teal-100);
}
.feature-icon {
    font-size: 1.8rem;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--teal-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.feature p { color: var(--on-surface-muted); margin: 0; }

/* ── Steps / How It Works (sub-page) ─────────────────────────── */

.how {
    background: linear-gradient(180deg, var(--surface), var(--teal-50));
    padding: 96px 0;
}
.how h2 { text-align: center; margin-bottom: 56px; }
.steps {
    list-style: none;
    counter-reset: step;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    padding: 0;
    margin: 0;
}
.steps li {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    box-shadow: var(--shadow-sm);
    position: relative;
}
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    font-weight: 700;
    margin-bottom: 16px;
}
.steps p { color: var(--on-surface-muted); margin: 0; }

/* ── Privacy / Dark Section (sub-page) ───────────────────────── */

.privacy { padding: 96px 0; }
.privacy-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
    background: var(--brand-dark);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 56px 48px;
}
.privacy-inner h2 { color: #fff; }
.privacy-inner p  { color: rgba(255,255,255,.85); margin: 0; }
.privacy-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
    font-weight: 500;
}
.privacy-points li {
    background: rgba(255,255,255,.08);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
}
@media (max-width: 760px) {
    .privacy-inner { grid-template-columns: 1fr; padding: 40px 28px; }
}

/* ── CTA Section (sub-page) ──────────────────────────────────── */

.cta {
    text-align: center;
    padding: 96px 0 112px;
    background:
        radial-gradient(800px 300px at 50% 0%, var(--teal-100), transparent 70%);
}
.cta h2 { margin-bottom: 28px; }
.cta-inner .store-badges { justify-content: center; }

/* ── Contact Section (landing page) ──────────────────────────── */

.contact {
    padding: 96px 0;
}
.contact-inner {
    background: var(--brand-dark);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}
.contact-text h2 { color: #fff; }
.contact-text p { color: rgba(255,255,255,.85); font-size: 1.1rem; margin: 0; }
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,.08);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    color: #fff;
    font-weight: 500;
    transition: background .2s ease;
}
.contact-link:hover {
    background: rgba(255,255,255,.14);
    text-decoration: none;
}
.contact-icon { font-size: 1.2rem; }

@media (max-width: 700px) {
    .contact-inner { grid-template-columns: 1fr; padding: 40px 24px; }
}

/* ── Legal Pages (Datenschutz, Impressum) ────────────────────── */

.legal {
    padding: 64px 0 96px;
}
.legal-inner {
    max-width: 820px;
}
.legal h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: .25em;
}
.legal h2 {
    font-size: 1.35rem;
    margin-top: 2em;
    margin-bottom: .6em;
    color: var(--brand-dark);
}
.legal p { color: var(--on-surface); }
.legal ul {
    margin: 0 0 1em;
    padding-left: 1.4em;
}
.legal ul li { margin-bottom: .25em; }
.legal ul ul { margin-top: .25em; margin-bottom: .5em; }
.legal-block {
    background: var(--teal-50);
    border: 1px solid var(--teal-100);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .9rem;
    color: var(--on-surface);
    white-space: pre-wrap;
    overflow-x: auto;
    margin: 0 0 1em;
}

/* ── Phone Mockup (product-specific) ─────────────────────────── */

.phone {
    width: 280px;
    height: 560px;
    background: #111;
    border-radius: 44px;
    padding: 14px;
    box-shadow: var(--shadow-lg);
    position: relative;
}
.phone::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 110px;
    height: 22px;
    background: #111;
    border-radius: 0 0 14px 14px;
    z-index: 2;
}
.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--teal-50), #fff 40%);
    border-radius: 32px;
    padding: 40px 16px 16px;
    position: relative;
    overflow: hidden;
}
.screen-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--teal-900);
    margin-bottom: 16px;
}
.screen-header img {
    width: 20px;
    height: 20px;
    border-radius: 5px;
}
.screen-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}
.screen-tabs .tab {
    flex: 1;
    text-align: center;
    padding: 8px 0;
    font-size: .8rem;
    border-radius: 999px;
    background: var(--surface);
    color: var(--on-surface-muted);
    border: 1px solid var(--outline);
}
.screen-tabs .tab.active {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
}
.screen-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.screen-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    box-shadow: var(--shadow-sm);
}
.screen-list strong {
    display: block;
    font-size: .9rem;
}
.screen-list small {
    color: var(--on-surface-muted);
    font-size: .75rem;
}
.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--brand);
    flex-shrink: 0;
}
.screen-fab {
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 52px;
    height: 52px;
    border-radius: 18px;
    background: var(--brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: var(--shadow-md);
}

/* ── Footer ──────────────────────────────────────────────────── */

.site-footer {
    border-top: 1px solid var(--outline);
    background: var(--surface);
    padding: 24px 0;
    color: var(--on-surface-muted);
    font-size: .9rem;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-nav { display: flex; gap: 20px; }
.footer-nav a { color: var(--on-surface-muted); }
.footer-muted { color: var(--on-surface-muted); font-size: .9rem; }

/* ── Dark Theme ──────────────────────────────────────────────── */

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #121212;
        --surface: #1e1e1e;
        --on-surface: #e0e0e0;
        --on-surface-muted: #9e9e9e;
        --outline: #333;
        --header-bg: rgba(30,30,30,.92);
        --teal-50: #15302e;
        --teal-100: #1a403d;
        --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
        --shadow-md: 0 4px 12px rgba(0,0,0,.4);
        --shadow-lg: 0 20px 60px rgba(0,0,0,.5), 0 8px 24px rgba(0,0,0,.3);
    }
}

[data-theme="dark"] {
    --bg: #121212;
    --surface: #1e1e1e;
    --on-surface: #e0e0e0;
    --on-surface-muted: #9e9e9e;
    --outline: #333;
    --header-bg: rgba(30,30,30,.92);
    --teal-50: #15302e;
    --teal-100: #1a403d;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,.4);
    --shadow-lg: 0 20px 60px rgba(0,0,0,.5), 0 8px 24px rgba(0,0,0,.3);
}

[data-theme="light"] {
    --bg: #fafafa;
    --surface: #ffffff;
    --on-surface: #1c1b1f;
    --on-surface-muted: #5f6368;
    --outline: #e0e0e0;
    --header-bg: rgba(255,255,255,.92);
    --teal-50: #e0f2f1;
    --teal-100: #b2dfdb;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
    --shadow-lg: 0 20px 60px rgba(0,77,64,.18), 0 8px 24px rgba(0,0,0,.08);
}

[data-theme="dark"] .hero {
    background:
        radial-gradient(1000px 500px at 85% 0%, #1a403d 0%, transparent 60%),
        radial-gradient(600px 300px at -10% 120%, #15302e 0%, transparent 50%);
}

[data-theme="dark"] .cta {
    background:
        radial-gradient(800px 300px at 50% 0%, #1a403d, transparent 70%);
}

@media (prefers-color-scheme: dark) {
    .hero {
        background:
            radial-gradient(1000px 500px at 85% 0%, #1a403d 0%, transparent 60%),
            radial-gradient(600px 300px at -10% 120%, #15302e 0%, transparent 50%);
    }
    .cta {
        background:
            radial-gradient(800px 300px at 50% 0%, #1a403d, transparent 70%);
    }
}

[data-theme="dark"] .phone-screen {
    background: linear-gradient(180deg, var(--teal-50), var(--surface) 40%);
}

@media (prefers-color-scheme: dark) {
    .phone-screen {
        background: linear-gradient(180deg, var(--teal-50), var(--surface) 40%);
    }
}

[data-theme="dark"] .legal h2 {
    color: var(--teal-300);
}

@media (prefers-color-scheme: dark) {
    .legal h2 {
        color: var(--teal-300);
    }
}

/* ── Theme Toggle Button ─────────────────────────────────────── */

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--outline);
    border-radius: 50%;
    background: transparent;
    color: var(--on-surface-muted);
    cursor: pointer;
    transition: color .2s ease, border-color .2s ease, background .2s ease;
    padding: 0;
    flex-shrink: 0;
}
.theme-toggle:hover {
    color: var(--brand);
    border-color: var(--brand);
    background: var(--teal-50);
}
.theme-toggle:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}
.theme-toggle svg {
    display: block;
}
.theme-toggle .theme-icon-dark { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon-dark { display: block; }
[data-theme="dark"] .theme-toggle .theme-icon-light { display: none; }

@media (prefers-color-scheme: dark) {
    .theme-toggle .theme-icon-dark { display: block; }
    .theme-toggle .theme-icon-light { display: none; }
}
[data-theme="light"] .theme-toggle .theme-icon-dark { display: none; }
[data-theme="light"] .theme-toggle .theme-icon-light { display: block; }

@media (prefers-color-scheme: dark) {
    [data-theme="light"] .theme-toggle .theme-icon-dark { display: none; }
    [data-theme="light"] .theme-toggle .theme-icon-light { display: block; }
}

@media (max-width: 640px) {
    .theme-toggle { margin-left: auto; }
}

/* Beta-Anmeldung */
.beta-form {
    max-width: 480px;
    margin: 1.5rem auto 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.beta-platform {
    border: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}
.beta-platform legend {
    font-weight: 600;
    margin-bottom: 0.5rem;
    padding: 0;
}
.beta-platform label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}
.beta-email {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.beta-email label {
    font-weight: 600;
}
.beta-email input {
    padding: 0.7rem 0.9rem;
    border: 1px solid rgba(128, 128, 128, 0.4);
    border-radius: 8px;
    font-size: 1rem;
    background: transparent;
    color: inherit;
}
.beta-submit {
    align-self: flex-start;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}
.beta-feedback {
    max-width: 480px;
    margin: 1rem auto 0;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-weight: 500;
}
.beta-feedback-success {
    background: rgba(46, 160, 67, 0.15);
    color: #2ea043;
}
.beta-feedback-error {
    background: rgba(218, 54, 51, 0.15);
    color: #da3633;
}