* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top, rgba(0,255,140,0.16), transparent 35%),
        linear-gradient(135deg, #020403, #07140d 60%, #020403);
    color: #e9fff2;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 999;
    min-height: 76px;
    padding: 16px 26px;
    background: rgba(0, 0, 0, 0.92);
    border-bottom: 1px solid rgba(0, 255, 140, 0.35);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand strong {
    display: block;
    font-size: 24px;
    color: #18ff8f;
    letter-spacing: 1px;
}

.brand span {
    font-size: 13px;
    color: #b7ffd8;
}

.dropdown {
    position: relative;
}

.dropbtn {
    background: #0aff87;
    color: #001b0d;
    border: 0;
    padding: 12px 18px;
    border-radius: 10px;
    font-weight: 800;
    cursor: pointer;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    min-width: 220px;
    background: #020805;
    border: 1px solid rgba(0,255,140,0.45);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.55);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    color: #eafff3;
    padding: 14px 18px;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.dropdown-content a:hover,
.dropdown-content a.active {
    background: rgba(0,255,140,0.16);
    color: #18ff8f;
}

.page {
    width: min(1280px, calc(100% - 32px));
    margin: 32px auto;
}

.hero {
    padding: 42px;
    border: 1px solid rgba(0,255,140,0.35);
    border-radius: 26px;
    background:
        linear-gradient(135deg, rgba(0,255,140,0.16), rgba(0,0,0,0.65)),
        rgba(0,0,0,0.55);
    box-shadow: 0 22px 80px rgba(0,0,0,0.45);
}

.hero h1 {
    margin: 0 0 14px;
    color: #18ff8f;
    font-size: clamp(32px, 6vw, 68px);
}

.hero p {
    max-width: 940px;
    font-size: 18px;
    line-height: 1.7;
    color: #dcffe9;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.badge {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(0,255,140,0.12);
    border: 1px solid rgba(0,255,140,0.35);
    color: #bffff0;
    font-weight: 700;
}

.section {
    margin-top: 28px;
    padding: 30px;
    border-radius: 22px;
    background: rgba(0,0,0,0.58);
    border: 1px solid rgba(0,255,140,0.18);
}

.section h2 {
    margin-top: 0;
    color: #18ff8f;
    font-size: 30px;
}

.section h3 {
    margin-top: 28px;
    color: #b9ffdc;
}

.section p {
    line-height: 1.75;
    color: #e8fff1;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.card {
    padding: 20px;
    border-radius: 18px;
    background: rgba(0,255,140,0.08);
    border: 1px solid rgba(0,255,140,0.18);
}

.card h3 {
    margin-top: 0;
    color: #18ff8f;
}

.card ul {
    margin: 0;
    padding-left: 20px;
}

.card li {
    margin: 8px 0;
}

.code-note {
    padding: 18px;
    border-left: 5px solid #18ff8f;
    background: rgba(0,255,140,0.10);
    border-radius: 12px;
}

.footer {
    margin-top: 60px;
    padding: 24px;
    text-align: center;
    color: #9fffc8;
    background: rgba(0,0,0,0.85);
    border-top: 1px solid rgba(0,255,140,0.2);
}

@media (max-width: 850px) {
    .topbar {
        align-items: flex-start;
        gap: 16px;
    }

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

    .hero {
        padding: 26px;
    }
}

.footer-inner {
    width: min(1280px, calc(100% - 32px));
    margin: 0 auto;
}

.footer-name {
    margin: 0 0 12px;
    font-weight: 800;
    color: #18ff8f;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.footer-links a {
    color: #bffff0;
    text-decoration: none;
    font-weight: 700;
}

.footer-links a:hover {
    color: #18ff8f;
    text-decoration: underline;
}

.footer-inner {
    width: min(1280px, calc(100% - 32px));
    margin: 0 auto;
}

.footer-name {
    margin: 0 0 12px;
    font-weight: 800;
    color: #18ff8f;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.footer-links a {
    color: #bffff0;
    text-decoration: none;
    font-weight: 700;
}

.footer-links a:hover {
    color: #18ff8f;
    text-decoration: underline;
}

.footer {
    margin-top: 60px;
    padding: 30px 20px;
    text-align: center;
    background: rgba(0,0,0,0.92);
    border-top: 1px solid rgba(0,255,140,0.25);
}

.footer-inner {
    width: min(1280px, calc(100% - 32px));
    margin: 0 auto;
}

.footer-name {
    margin: 0 0 14px;
    font-size: 18px;
    font-weight: 900;
    color: #18ff8f;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
}

.footer-links a {
    color: #bffff0;
    text-decoration: none;
    font-weight: 800;
}

.footer-links a:hover {
    color: #18ff8f;
    text-decoration: underline;
}

.story p {
    font-size: 18px;
    line-height: 1.9;
}

.story h2 {
    border-bottom: 1px solid rgba(0,255,140,0.25);
    padding-bottom: 12px;
}