:root {
    --bg-top: #f7fbff;
    --bg-bottom: #e8f3ec;
    --ink: #183229;
    --muted: #496058;
    --accent: #1f8f56;
    --accent-strong: #166a40;
    --card: rgba(255, 255, 255, 0.86);
    --ring: rgba(31, 143, 86, 0.28);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, Verdana, sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 8% 12%, rgba(31, 143, 86, 0.18), transparent 38%),
        radial-gradient(circle at 86% 88%, rgba(24, 50, 41, 0.15), transparent 32%),
        linear-gradient(150deg, var(--bg-top), var(--bg-bottom));
    display: grid;
    place-items: center;
    padding: 20px;
}

.wrap {
    width: 100%;
    max-width: 780px;
}

.card {
    background: var(--card);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 20px;
    box-shadow: 0 20px 55px rgba(19, 45, 34, 0.16);
    padding: clamp(24px, 4vw, 46px);
    animation: cardEnter 500ms ease-out both;
}

.eyebrow {
    margin: 0;
    letter-spacing: 0.1em;
    font-size: 0.78rem;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 700;
}

h1 {
    margin: 10px 0 14px;
    font-size: clamp(1.7rem, 3.6vw, 2.6rem);
    line-height: 1.1;
}

.lead {
    margin: 0 0 24px;
    color: var(--muted);
    line-height: 1.6;
    font-size: clamp(1rem, 2.2vw, 1.1rem);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 999px;
    padding: 14px 26px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(180deg, var(--accent), var(--accent-strong));
    box-shadow: 0 10px 28px rgba(22, 106, 64, 0.35);
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(22, 106, 64, 0.42);
}

.download-btn:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 3px;
}

.stats {
    margin-top: 24px;
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid rgba(24, 50, 41, 0.12);
    background: rgba(255, 255, 255, 0.72);
}

.stats-label {
    font-size: 0.88rem;
    color: var(--muted);
}

.stats-value {
    font-size: 1.5rem;
    line-height: 1;
}

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 520px) {
    .card {
        border-radius: 16px;
    }

    .download-btn {
        width: 100%;
    }
}