/* Startseite: Hero, Versprechen, Link-Karten */

.hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section .container {
    max-width: 800px;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.05) contrast(1.05);
    transform: scale(1.02);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(900px 500px at 20% 25%, rgba(0, 240, 255, 0.18), transparent 55%),
      linear-gradient(180deg, rgba(10, 25, 47, 0.35), rgba(10, 25, 47, 0.92));
    z-index: 1;
}

.hero-section h1 {
    color: var(--white);
}

.hero-section .usp {
    font-size: 1.2rem;
    margin: 1.5rem 0 2.5rem;
    color: var(--text-color);
}

.promise-section {
    padding: 4rem 0;
}

.promise-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
}

.promise-visual {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0, 240, 255, 0.22);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
}

.promise-visual img {
    display: block;
    width: 100%;
    height: auto;
}

.promise-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.promise-card {
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.08), rgba(0, 240, 255, 0.02));
    border: 1px solid rgba(0, 240, 255, 0.22);
    border-radius: 10px;
    padding: 1.75rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.promise-card .icon {
    font-size: 2rem;
    color: var(--cyber-cyan);
    margin-bottom: 0.75rem;
}

.promise-card h3 {
    color: var(--white);
    margin-bottom: 0.75rem;
}

.links-section {
    padding: 4rem 0;
}

.links-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.link-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.5rem;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 240, 255, 0.22);
    transition: transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
    position: relative;
    overflow: hidden;
}

.link-card--bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--card-bg);
    background-size: cover;
    background-position: center;
    opacity: 0.22;
    filter: saturate(1.05) contrast(1.05);
    transform: scale(1.03);
    z-index: 0;
}

.link-card--bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10, 25, 47, 0.92), rgba(10, 25, 47, 0.55));
    z-index: 0;
}

.link-card > * {
    position: relative;
    z-index: 1;
}

.link-card:hover {
    transform: translateY(-4px);
    border-color: var(--cyber-cyan);
    background-color: rgba(0, 240, 255, 0.04);
}

.link-card .icon {
    font-size: 1.6rem;
    color: var(--cyber-cyan);
    margin-top: 0.2rem;
}

.link-card h3 {
    margin-bottom: 0.25rem;
    color: var(--white);
}

.link-card p {
    margin-bottom: 0;
    color: rgba(230, 241, 255, 0.9);
}

@media (min-width: 768px) {
    .promise-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .promise-layout {
        grid-template-columns: 0.9fr 1.1fr;
        gap: 2rem;
        align-items: stretch;
    }

    .promise-visual img {
        height: 100%;
        object-fit: cover;
    }

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