:root {
    --bg-start: #0a1322;
    --bg-end: #07101b;
    --surface: rgba(14, 24, 39, 0.86);
    --surface-soft: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
    --text: #f3f7fb;
    --muted: #b6c2d3;
    --accent: #6ee7c8;
    --accent-2: #7dafff;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
    --content: 1160px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Avenir Next", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 26%),
        radial-gradient(circle at 85% 15%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 22%),
        linear-gradient(180deg, var(--bg-start), var(--bg-end));
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 92%);
}

a {
    color: inherit;
    text-decoration: none;
}

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

.shell {
    width: min(calc(100% - 2rem), var(--content));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(16px);
    background: rgba(7, 16, 27, 0.72);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar .shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 0.85rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #06101a;
    font-weight: 800;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}

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

.brand-copy span,
.section-intro p,
.hero-copy p,
.stat span,
.feature-card p,
.info-list li,
.footer-copy,
.cta-panel p {
    color: var(--muted);
}

.topnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.topnav a {
    padding: 0.8rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    transition: transform 180ms ease, background-color 180ms ease;
}

.topnav a:hover,
.topnav a:focus-visible,
.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
    gap: 2rem;
    align-items: center;
    padding: 4.5rem 0 2rem;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.8rem);
    max-width: 10ch;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 3rem);
}

.hero-copy .lead {
    margin-top: 1.4rem;
    line-height: 1.75;
    font-size: 1.05rem;
    max-width: 58ch;
}

.hero-actions,
.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.2rem;
    padding: 0.9rem 1.3rem;
    border: 0;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.button-primary {
    color: #06101a;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 18px 34px color-mix(in srgb, var(--accent) 20%, transparent);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
}

.button-disabled {
    opacity: 0.7;
    cursor: default;
}

.hero-card,
.feature-card,
.stat,
.cta-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 1.5rem;
    border-radius: 28px;
}

.app-icon {
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 1.4rem;
    object-fit: cover;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
}

.hero-card-head {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-card-head strong {
    display: block;
    font-size: 1.2rem;
}

.pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.2rem;
}

.pill {
    padding: 0.55rem 0.8rem;
    border-radius: 999px;
    background: var(--surface-soft);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #dbe5f1;
    font-size: 0.92rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 2rem 0 0;
}

.stat {
    padding: 1.2rem;
    border-radius: 18px;
}

.stat strong {
    display: block;
    font-size: 1.8rem;
    color: color-mix(in srgb, var(--accent) 75%, white);
}

.section {
    padding: 2rem 0 0;
}

.section-intro {
    max-width: 58rem;
    margin-bottom: 1.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.feature-card {
    padding: 1.4rem;
    border-radius: 22px;
}

.feature-card h3 {
    margin-bottom: 0.7rem;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-panel {
    display: grid;
    gap: 1rem;
}

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

.field {
    display: grid;
    gap: 0.45rem;
}

.field label {
    font-weight: 700;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 0.95rem 1rem;
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    font: inherit;
}

.field textarea {
    min-height: 180px;
    resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
    color: color-mix(in srgb, var(--muted) 85%, white);
}

.field select option {
    color: #111;
}

/* ── Screenshots ─────────────────────────────────────────── */
.screenshot-scroll {
    display: flex;
    gap: 0.85rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.12) transparent;
    padding: 0.25rem 0 0.75rem;
    cursor: grab;
}

.screenshot-scroll:active {
    cursor: grabbing;
}

.screenshot-scroll::-webkit-scrollbar {
    height: 4px;
}

.screenshot-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.screenshot-scroll::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.12);
    border-radius: 999px;
}

.screenshot-frame {
    flex-shrink: 0;
    width: 12rem;
    border-radius: 1.2rem;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
    cursor: zoom-in;
    transition: transform 200ms ease, border-color 200ms ease;
}

.screenshot-frame:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong, rgba(255,255,255,0.18));
}

.screenshot-frame img {
    width: 100%;
    height: auto;
    display: block;
    pointer-events: none;
}

/* ── Lightbox ────────────────────────────────────────────── */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease;
}

.lightbox.is-open {
    opacity: 1;
    pointer-events: all;
}

.lightbox-img {
    max-width: min(90vw, 26rem);
    max-height: 90vh;
    border-radius: 1.6rem;
    box-shadow: 0 40px 100px rgba(0,0,0,0.6);
    object-fit: contain;
    transition: transform 220ms ease;
    transform: scale(0.94);
}

.lightbox.is-open .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 180ms ease;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.16);
}

.lightbox-prev,
.lightbox-next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 180ms ease;
}

.lightbox-prev { left: 1.25rem; }
.lightbox-next { right: 1.25rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255,255,255,0.16);
}

.lightbox-counter {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.06em;
}

.legal-stack {
    display: grid;
    gap: 1rem;
}

.legal-card {
    padding: 1.5rem;
    border-radius: 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.legal-card h3 {
    margin-bottom: 0.85rem;
}

.legal-card p,
.legal-card li {
    color: var(--muted);
    line-height: 1.8;
}

.legal-card ul {
    margin: 0;
    padding-left: 1.2rem;
}

.meta-note {
    color: var(--muted);
    font-size: 0.95rem;
}

.info-list {
    margin: 0;
    padding-left: 1.2rem;
    line-height: 1.75;
}

.cta-panel {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    align-items: center;
    padding: 1.8rem;
    border-radius: 28px;
    margin: 2rem 0 4rem;
}


.site-footer {
    padding: 0 0 2.5rem;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--muted);
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-version {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.2);
    letter-spacing: 0.04em;
    flex-shrink: 0;
}

/* ── Tablet ─────────────────────────────────────────────── */
@media (max-width: 1040px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .hero-card {
        max-width: 32rem;
    }

    .feature-grid,
    .two-col {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta-panel {
        flex-direction: column;
        align-items: flex-start;
    }

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

/* ── Mobil ──────────────────────────────────────────────── */
@media (max-width: 640px) {
    /* Topbar: Nav unter Brand */
    .topbar .shell {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 0.85rem 0;
    }

    .topnav {
        width: 100%;
        gap: 0.4rem;
    }

    .topnav a {
        flex: 1 1 auto;
        text-align: center;
        padding: 0.6rem 0.8rem;
        font-size: 0.82rem;
    }

    /* Hero */
    .hero {
        padding: 2rem 0 1.5rem;
        gap: 1.5rem;
    }

    h1 {
        font-size: clamp(1.8rem, 8vw, 2.8rem);
        max-width: none;
    }

    h2 {
        font-size: clamp(1.4rem, 6vw, 2rem);
    }

    .hero-copy .lead {
        font-size: 0.95rem;
        margin-top: 1rem;
    }

    .hero-actions,
    .button-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.65rem;
        margin-top: 1.25rem;
    }

    .button {
        width: 100%;
        justify-content: center;
    }

    /* Hero-Card: kompakter */
    .hero-card {
        max-width: none;
        padding: 1.2rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        margin-top: 1.25rem;
    }

    /* Grids → 1 Spalte */
    .feature-grid,
    .two-col,
    .form-grid {
        grid-template-columns: 1fr;
    }

    /* Formular */
    .field input,
    .field select,
    .field textarea {
        font-size: 1rem;
        padding: 0.85rem 0.9rem;
    }

    .field textarea {
        min-height: 130px;
    }

    /* Sections */
    .section {
        padding-top: 2.5rem;
    }

    /* CTA */
    .cta-panel {
        padding: 1.3rem;
        margin-bottom: 2.5rem;
        gap: 1.2rem;
    }

    /* Legal */
    .legal-card {
        padding: 1.2rem;
    }

    /* Footer */
    .site-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding-bottom: 2rem;
    }
}