/* =========================
   ČO JE DRONOVÝ FUTBAL
========================= */

.about-drone {
    padding: 28px 0 34px;
    background: var(--white);
}

html.dark-mode .about-drone {
    background: var(--bg-dark);
}

.about-drone-card {
    padding: 30px 28px 18px;
    border: 1px solid rgba(7, 27, 69, .08);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, .88);
    box-shadow: var(--shadow-card);
}

.about-drone-card h2 {
    margin-bottom: 24px;
    color: var(--blue-dark);
    font-size: var(--font-h3);
    font-weight: 900;
    line-height: 1.15;
    text-transform: uppercase;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
    margin-top: 42px;
}

.about-feature {
    min-height: 150px;
    padding: 22px 14px 18px;
    border: 1px solid rgba(7, 27, 69, .08);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, .72);
    text-align: center;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .75);
}

.about-feature img {
    width: 42px;
    height: 42px;
    margin: 0 auto 16px;
    object-fit: contain;
}

.about-feature strong {
    display: block;
    min-height: 34px;
    margin-bottom: 4px;
    color: var(--blue-dark);
    font-size: 12px;
    font-weight: 900;
    line-height: 1.25;
    text-transform: uppercase;
}

.about-feature span {
    display: block;
    margin-top: 9px;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 700;
    line-height: 1.45;
    text-transform: uppercase;
}

.about-drone-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 24px;
}

.about-drone-actions .btn {
    min-height: 42px;
}

.about-toggle {
    display: flex;
    width: fit-content;
    min-width: 260px;
    min-height: 42px;
    margin: 0;
    padding-inline: 22px;
}

.about-expanded {
    max-height: 0;
    overflow: hidden;
    background: var(--white);
    transition: max-height .55s ease, padding .55s ease;
}

.about-expanded.active {
    max-height: 900px;
    padding: 0 0 44px;
}

.about-expanded-inner {
    display: grid;
    grid-template-columns: .9fr 1.25fr;
    gap: 34px;
    padding: 34px;
    border: 1px solid rgba(7, 27, 69, .08);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, .88);
    box-shadow: var(--shadow-card);
}

.about-expanded-content h3 {
    color: var(--blue-dark);
    font-size: 28px;
    font-weight: 900;
    line-height: 1.1;
    text-transform: uppercase;
}

.about-expanded-content p {
    margin-top: 18px;
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.75;
}

.about-expanded-content ul {
    display: grid;
    gap: 12px;
    margin-top: 22px;
    padding-left: 0;
    list-style: none;
}

.about-expanded-content li {
    position: relative;
    padding-left: 28px;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.45;
}

.about-expanded-content li::before {
    position: absolute;
    left: 0;
    top: 0;
    color: var(--blue);
    font-weight: 900;
    content: "✓";
}

.about-expanded-video {
    overflow: hidden;
    border-radius: 14px;
    background: var(--bg-dark);
    box-shadow: 0 20px 50px rgba(7, 27, 69, .16);
}

.about-expanded-video iframe {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 0;
}

html.dark-mode .about-expanded {
    background: var(--bg-dark);
}

html.dark-mode .about-drone-card,
html.dark-mode .about-expanded-inner,
html.dark-mode .about-feature {
    border-color: rgba(255, 255, 255, .1);
    background: linear-gradient(135deg, rgba(8, 24, 58, .72), rgba(4, 14, 36, .52));
    box-shadow: 0 24px 60px rgba(0, 0, 0, .28);
}

html.dark-mode .about-drone-card h2,
html.dark-mode .about-feature strong,
html.dark-mode .about-expanded-content h3 {
    color: var(--white);
}

html.dark-mode .about-feature span,
html.dark-mode .about-expanded-content p,
html.dark-mode .about-expanded-content li {
    color: rgba(255, 255, 255, .64);
}

html.dark-mode .about-feature img {
    filter: brightness(0) invert(1);
}

@media (max-width: 1180px) {
    .about-features {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 780px) {
    .about-drone-card {
        padding: 24px 18px 18px;
    }

    .about-features {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-expanded-inner {
        grid-template-columns: 1fr;
        padding: 24px 18px;
    }

    .about-toggle {
        min-height: 44px;
    }
}

@media (max-width: 460px) {
    .about-features {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-toggle {
        width: 100%;
        min-width: 0;
    }

    .about-drone-actions .btn {
        width: 100%;
    }
}

@media (max-width: 700px) {
    .about-drone {
        padding: 44px 0;
    }

    .about-features {
        gap: 10px;
        margin-top: 28px;
    }

    .about-feature {
        padding-inline: 10px;
    }

    .about-feature img {
        width: 34px;
        height: 34px;
    }

    .about-feature strong {
        font-size: 11px;
    }

    .about-feature span {
        font-size: 8px;
    }
}