:root {

    --black: #000000;

    --white: #f4f7f7;

    --muted: #8d999d;

    --cyan: #20f7ef;

    --pink: #ff3cae;

    --line: rgba(32, 247, 239, 0.18);

    --line-hover: rgba(32, 247, 239, 0.75);

    --mono:
        ui-monospace,
        SFMono-Regular,
        Menlo,
        Monaco,
        Consolas,
        "Liberation Mono",
        "Courier New",
        monospace;
}


* {
    box-sizing: border-box;
}


html {
    background: var(--black);
}


body {

    margin: 0;

    min-height: 100vh;

    background: #000;

    color: var(--white);

    font-family: var(--mono);

}


.landing {

    min-height: 100vh;

    background: #000;

}


.hero {

    width: min(1600px, 100%);

    min-height: 100vh;

    margin: 0 auto;

    padding:
        clamp(48px, 5vw, 90px)
        clamp(30px, 6vw, 110px);

    display: grid;

    grid-template-columns:
        minmax(500px, 0.95fr)
        minmax(450px, 1.05fr);

    gap:
        clamp(70px, 8vw, 150px);

    align-items: center;

}


/* --------------------------------------------------
   LINKS
-------------------------------------------------- */


.left-column {

    width: 100%;

}


.intro {

    margin-bottom: 45px;

}


.eyebrow {

    margin-bottom: 15px;

    color: var(--cyan);

    font-size: 0.70rem;

    letter-spacing: 0.20em;

}


h1 {

    margin: 0;

    font-size:
        clamp(2.6rem, 4.3vw, 5rem);

    font-weight: 400;

    line-height: 0.98;

    letter-spacing: -0.055em;

    text-transform: uppercase;

}


h1 span {

    color: var(--pink);

}


.intro-text {

    margin:
        25px
        0
        0;

    color: var(--muted);

    font-size: 0.95rem;

    letter-spacing: 0.08em;

}


/* --------------------------------------------------
   FEATURE LISTE
-------------------------------------------------- */


.feature-list {

    width: 100%;

    border-bottom:
        1px solid
        var(--line);

}


.feature-item {

    border-top:
        1px solid
        var(--line);

    transition:
        border-color 180ms ease,
        background-color 180ms ease;

}


.feature-item:hover,
.feature-item.is-open {

    border-color:
        var(--line-hover);

    background:

        linear-gradient(
            90deg,
            rgba(32,247,239,0.045),
            transparent 85%
        );

}


.feature-trigger {

    width: 100%;

    min-height: 64px;

    padding: 0;

    display: grid;

    grid-template-columns:
        40px
        1fr
        28px;

    gap: 14px;

    align-items: center;

    border: 0;

    background: transparent;

    color: var(--white);

    font-family: var(--mono);

    cursor: pointer;

    text-align: left;

}


.feature-trigger:focus-visible {

    outline:
        1px solid
        var(--cyan);

    outline-offset: -1px;

}


.feature-number {

    color: var(--pink);

    font-size: 0.68rem;

    letter-spacing: 0.10em;

}


.feature-title {

    font-size:
        clamp(
            0.80rem,
            1vw,
            0.98rem
        );

    letter-spacing: 0.035em;

    text-transform: uppercase;

    transition:
        color 180ms ease,
        transform 180ms ease;

}


.feature-item:hover
.feature-title,
.feature-item.is-open
.feature-title {

    color: var(--cyan);

    transform:
        translateX(4px);

}


.feature-symbol {

    color: var(--cyan);

    text-align: right;

    font-size: 1.15rem;

    font-weight: 300;

    transition:
        transform 240ms ease;

}


.feature-item.is-open
.feature-symbol {

    transform:
        rotate(45deg);

}


/* --------------------------------------------------
   AUSKLAPPBEREICH
-------------------------------------------------- */


.feature-content {

    display: grid;

    grid-template-rows: 0fr;

    transition:
        grid-template-rows
        320ms ease;

}


.feature-item.is-open
.feature-content {

    grid-template-rows: 1fr;

}


.feature-content-inner {

    min-height: 0;

    overflow: hidden;

}


.feature-content p {

    margin: 0;

    max-width: 650px;

    padding:
        0
        40px
        24px
        54px;

    color: var(--muted);

    font-size: 0.84rem;

    line-height: 1.7;

}


/* --------------------------------------------------
   RECHTS
-------------------------------------------------- */


.right-column {

    min-height: 650px;

    display: flex;

    align-items: center;

    justify-content: center;

}


.logo-stage {

    width: 100%;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    text-align: center;

}


.heartdrive-logo {

    width:
        min(
            620px,
            100%
        );

    height: auto;

    object-fit: contain;

    filter:
        drop-shadow(
            0 0 12px
            rgba(32,247,239,0.25)
        );

}


.brand-name {

    margin-top: 28px;

    font-size:
        clamp(
            1.8rem,
            3vw,
            3.3rem
        );

    letter-spacing:
        -0.05em;

}


.brand-heart {

    color: var(--pink);

}


.brand-cloud {

    color: var(--cyan);

}


.claim {

    margin-top: 22px;

    color: var(--pink);

    font-size: 0.80rem;

    letter-spacing: 0.16em;

    text-transform: uppercase;

}


/* --------------------------------------------------
   TABLET
-------------------------------------------------- */


@media
(max-width: 1050px) {

    .hero {

        grid-template-columns: 1fr;

        gap: 80px;

    }


    .right-column {

        min-height: auto;

    }


    .heartdrive-logo {

        width:
            min(
                520px,
                85vw
            );

    }

}


/* --------------------------------------------------
   MOBILE
-------------------------------------------------- */


@media
(max-width: 650px) {

    .hero {

        padding:
            42px
            20px
            65px;

    }


    .feature-trigger {

        grid-template-columns:
            32px
            1fr
            22px;

        gap: 9px;

        min-height: 62px;

    }


    .feature-title {

        font-size: 0.79rem;

    }


    .feature-content p {

        padding:
            0
            20px
            22px
            41px;

        font-size: 0.80rem;

    }


    .right-column {

        order: -1;

    }


    .heartdrive-logo {

        max-height: 310px;

    }

}


/* --------------------------------------------------
   ANIMATION REDUZIEREN
-------------------------------------------------- */


@media
(prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {

        transition-duration:
            0.01ms !important;

        animation-duration:
            0.01ms !important;

    }

}


/* --------------------------------------------------
   BUCHUNGSBUTTON
-------------------------------------------------- */

.booking-area {
    margin-top: 34px;
    display: flex;
    justify-content: center;
}

.booking-button {
    min-width: 260px;
    padding: 16px 34px;

    border: 1px solid var(--cyan);
    border-radius: 3px;

    background:
        linear-gradient(
            90deg,
            rgba(255, 60, 174, 0.10),
            rgba(32, 247, 239, 0.10)
        );

    color: var(--white);

    font-family: var(--mono);
    font-size: 0.85rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;

    box-shadow:
        0 0 18px
        rgba(32, 247, 239, 0.10);

    transition:
        border-color 180ms ease,
        box-shadow 180ms ease,
        color 180ms ease,
        background 180ms ease;
}

.booking-button:disabled {
    cursor: default;
    opacity: 0.72;
}