body {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    background: #f6f1df;
    color: #172c24;
}

.presentation-page {
    min-height: 100vh;
    padding: 56px 0;
    background:
            linear-gradient(90deg, rgba(23, 44, 36, 0.06) 1px, transparent 1px),
            linear-gradient(rgba(23, 44, 36, 0.06) 1px, transparent 1px),
            #f6f1df;
    background-size: 44px 44px;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 90px;
}

.app-logo {
    width: 260px;
    max-width: 60vw;
}

.project-label {
    font-family: Arial, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #6f7f42;
}

.hero-content {
    margin-bottom: 80px;
}


h1 {
    font-size: clamp(3rem, 7vw, 6.8rem);
    line-height: 0.95;
    font-weight: 500;
    letter-spacing: -0.06em;
    margin: 0;
}

.lead-text {
    margin-top: 36px;
    max-width: 780px;
    font-family: Arial, sans-serif;
    font-size: clamp(1.35rem, 2.4vw, 2.2rem);
    line-height: 1.25;
    color: #47613d;
}

.side-note {
    font-family: Arial, sans-serif;
    font-size: 1.05rem;
    line-height: 1.8;
    color: #46564f;
    border-left: 2px solid #9ba85f;
    padding-left: 24px;
}

.content-panel {
    background-image: linear-gradient(to right bottom, rgba(255, 253, 244, 0.72), rgba(255, 253, 244, 0.92), rgba(255, 255, 255, 0.69));
    border: 1px solid rgba(23, 44, 36, 0.14);
    padding: 48px;
}

.content-panel h2 {
    font-size: 2.2rem;
    margin-bottom: 24px;
    letter-spacing: -0.04em;
}

.content-panel p {
    max-width: 760px;
    font-family: Arial, sans-serif;
    font-size: 1.08rem;
    line-height: 1.85;
    color: #41524a;
}

.data-list {
    border-top: 1px solid rgba(23, 44, 36, 0.18);
}

.data-list div {
    display: flex;
    gap: 22px;
    padding: 22px 0;
    border-bottom: 1px solid rgba(23, 44, 36, 0.18);
    font-family: Arial, sans-serif;
    font-size: 1.05rem;
    color: #263c33;
}

.data-list span {
    color: #87934d;
    font-weight: 700;
}

@media (max-width: 991px) {
    .top-bar {
        margin-bottom: 60px;
    }

    .side-note {
        margin-top: 36px;
    }

    .content-panel {
        padding: 32px;
    }
}

@media (max-width: 576px) {
    .presentation-page {
        padding: 32px 0;
    }

    .top-bar {
        align-items: center;
        text-align: center;
        gap: 24px;
        flex-direction: column;
    }

    .app-logo {
        width: 220px;
    }

    .content-panel {
        padding: 26px;
    }
}