:root {
    --bg1: #07130f;
    --bg2: #10291f;
    --card: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.16);
    --text: #f4fff8;
    --muted: #c8d8ce;
    --accent: #65d58a;
    --accent2: #9ef0b7;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 20% 20%, rgba(101, 213, 138, 0.20), transparent 30%),
        radial-gradient(circle at 80% 10%, rgba(158, 240, 183, 0.12), transparent 28%),
        linear-gradient(135deg, var(--bg1), var(--bg2));
}

.hero {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px;
}

.card {
    width: min(860px, 100%);
    padding: 48px;
    border: 1px solid var(--border);
    border-radius: 28px;
    background: var(--card);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.38);
    backdrop-filter: blur(16px);
}

.badge {
    display: inline-flex;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(101, 213, 138, 0.15);
    border: 1px solid rgba(101, 213, 138, 0.35);
    color: var(--accent2);
    font-weight: 700;
    letter-spacing: 0.04em;
}

h1 {
    margin: 26px 0 18px;
    font-size: clamp(38px, 6vw, 72px);
    line-height: 0.96;
    letter-spacing: -0.05em;
}

p {
    max-width: 680px;
    margin: 0;
    font-size: 20px;
    line-height: 1.6;
    color: var(--muted);
}

.actions {
    margin-top: 34px;
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
}

.btn.primary {
    color: #062012;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
}

.hint {
    color: var(--muted);
}

@media (max-width: 640px) {
    .card {
        padding: 30px;
    }

    p {
        font-size: 17px;
    }
}