/* ==========================================================================
   Landingpage ai.heldele.de · Design wie info.html
   ========================================================================== */
:root {
    --yellow: #fab400;
    --on-yellow: #171717;
    --bg: #0d0f12;
    --soft: #111318;
    --surface: #151820;
    --text: #f5f5f4;
    --muted: #a1a1aa;
    --line: rgba(255,255,255,.12);
    --accent: #fab400;
    --shadow: 0 24px 80px rgba(0,0,0,.44);
    --ease: cubic-bezier(.2,0,0,1);
}

* {
    box-sizing: border-box;
}

body.lp {
    position: relative;
    isolation: isolate;
    margin: 0;
    min-width: 320px;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, 'Segoe UI Variable Display', 'Segoe UI', system-ui, sans-serif;
    line-height: 1.55;
}

    /* Weicher Glow als Seitenhintergrund – wird nirgends abgeschnitten */
    body.lp::before {
        content: '';
        position: fixed;
        z-index: -1;
        left: 50%;
        top: -420px;
        width: 1100px;
        height: 900px;
        margin-left: -550px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(250,180,0,.22), rgba(250,180,0,.07) 35%, transparent 70%);
        filter: blur(40px);
        animation: lp-glow 9s ease-in-out infinite alternate;
        pointer-events: none;
    }

a {
    color: inherit;
}

    a:focus-visible {
        outline: 3px solid var(--yellow);
        outline-offset: 4px;
    }

.lp-wrap {
    width: min(1120px, calc(100% - 40px));
    margin: auto;
}

/* Header */
.lp-header {
    border-bottom: 1px solid var(--line);
}

.lp-nav {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.lp-brand {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 800;
    text-decoration: none;
}

    .lp-brand img {
        width: 37px;
        height: 37px;
        object-fit: contain;
    }

    .lp-brand small {
        border: 1px solid var(--yellow);
        border-radius: 999px;
        color: var(--accent);
        padding: 2px 7px;
        font-size: 9px;
    }

.lp-nav-link {
    color: var(--muted);
    font-size: 13px;
}

/* Hero */
.lp-main {
    flex: 1;
}

.lp-hero {
    position: relative;
    padding: 78px 0 30px;
    text-align: center;
}

.lp-eyebrow {
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.lp-hero h1 {
    font-size: clamp(55px, 8vw, 104px);
    letter-spacing: -.08em;
    line-height: 1;
    margin: 16px 0 22px;
}

    .lp-hero h1 span {
        color: var(--accent);
    }

.lp-lead {
    font-size: 19px;
    color: var(--muted);
    max-width: 40rem;
    margin: 0 auto;
}

/* Karten */
.lp-section {
    padding: 40px 0 76px;
}

.lp-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.lp-card {
    display: flex;
    flex-direction: column;
    min-height: 300px;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
    text-decoration: none;
    transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
    animation: lp-enter .7s var(--ease) calc(var(--i, 0) * 110ms) both;
}

    .lp-card:hover {
        transform: translateY(-4px);
        border-color: var(--yellow);
        box-shadow: var(--shadow);
    }

.lp-icon {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: #292c36;
    color: var(--yellow);
    margin-bottom: 20px;
}

    .lp-icon svg {
        width: 28px;
        height: 28px;
    }

    .lp-icon img {
        width: 44px;
        height: 44px;
        object-fit: contain;
    }

.lp-card h2 {
    font-size: 22px;
    letter-spacing: -.04em;
    margin: 0 0 8px;
}

.lp-card p {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
}

.lp-phone {
    margin-top: 14px;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: .01em;
    font-variant-numeric: tabular-nums;
}

.lp-btn {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 9px;
    margin-top: auto;
    padding: 12px 18px;
    border-radius: 12px;
    background: var(--yellow);
    color: var(--on-yellow);
    font-size: 14px;
    font-weight: 800;
    transition: transform .18s var(--ease);
}

.lp-card p + .lp-btn {
    margin-top: 28px;
}

.lp-phone + .lp-btn {
    margin-top: 20px;
}

.lp-card:hover .lp-btn {
    transform: translateY(-2px);
}

/* Footer */
.lp-footer {
    border-top: 1px solid var(--line);
    padding: 28px 0 40px;
    color: var(--muted);
    font-size: 12px;
}

    .lp-footer .lp-wrap {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 24px;
        justify-content: space-between;
    }

    .lp-footer a {
        text-decoration-color: var(--yellow);
    }

/* Animationen */
@keyframes lp-glow {
    to {
        transform: scale(1.12) translateY(3%);
    }
}

@keyframes lp-enter {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

/* Responsive */
@media (max-width: 900px) {
    .lp-grid {
        grid-template-columns: 1fr;
        max-width: 560px;
    }

    .lp-card {
        min-height: 0;
    }

    .lp-hero {
        padding: 56px 0 20px;
    }
}

@media (max-width: 480px) {
    .lp-hero {
        padding: 45px 0 10px;
    }

    .lp-section {
        padding: 30px 0 55px;
    }

    .lp-card {
        padding: 20px;
    }
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f7f7f8;
        --soft: #f2f3f5;
        --surface: #fff;
        --text: #171717;
        --muted: #60646c;
        --line: rgba(0,0,0,.13);
        --accent: #795300;
        --shadow: 0 24px 80px rgba(0,0,0,.12);
    }

    .lp-icon {
        background: #f2f3f5;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}