:root {
    --yellow: #a8e600;
    --yellow-light: #caff3d;
    --yellow-dark: #74a800;
    --black: #050705;
    --black-soft: #0b0f08;
    --card: #10160b;
    --card-hover: #18210e;
    --white: #ffffff;
    --muted: #aab5c5;
    --border: rgba(255, 255, 255, 0.11);
    --success: #35d27b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    color: var(--white);
    background:
        radial-gradient(circle at 15% 5%, rgba(168, 230, 0, 0.17), transparent 28rem),
        radial-gradient(circle at 90% 30%, rgba(103, 151, 0, 0.18), transparent 25rem),
        var(--black);
    font-family: Inter, Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

a {
    color: inherit;
}

.container {
    width: min(1060px, calc(100% - 40px));
    margin: 0 auto;
}

.topbar {
    border-bottom: 1px solid var(--border);
    background: rgba(5, 7, 5, 0.92);
}

.topbar-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    text-decoration: none;
}

.brand img {
    width: 54px;
    height: 54px;
    padding: 2px;
    object-fit: contain;
    border-radius: 12px;
    background: #050505;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand-copy strong {
    font-size: 20px;
    letter-spacing: 0.4px;
}

.brand-copy span {
    margin-top: 5px;
    color: var(--yellow);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 1.8px;
    text-transform: uppercase;
}

.official {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    font-size: 13px;
}

.official::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(53, 210, 123, 0.13);
}

.main {
    padding: 52px 0 60px;
}

.hero-center {
    max-width: 790px;
    margin: 0 auto;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 8px 12px;
    border: 1px solid rgba(168, 230, 0, 0.30);
    border-radius: 999px;
    color: var(--yellow-light);
    background: rgba(168, 230, 0, 0.08);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.7px;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(39px, 5.7vw, 65px);
    line-height: 1.03;
    letter-spacing: -2.4px;
}

.yellow {
    color: var(--yellow);
}

.lead {
    max-width: 650px;
    margin: 19px auto 0;
    color: var(--muted);
    font-size: 17px;
}

.logo-showcase {
    width: 185px;
    height: 185px;
    display: grid;
    place-items: center;
    margin: 0 auto 23px;
    border: 1px solid rgba(168, 230, 0, 0.24);
    border-radius: 32px;
    background: #050505;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.32);
}

.logo-showcase img {
    width: 165px;
    height: 165px;
    object-fit: contain;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 23px;
    margin-top: 38px;
}

.choice-card {
    position: relative;
    overflow: hidden;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 23px;
    background: linear-gradient(145deg, var(--card), #070906);
    text-align: left;
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.choice-card:hover {
    transform: translateY(-4px);
    border-color: rgba(168, 230, 0, 0.45);
    background: linear-gradient(145deg, var(--card-hover), #070906);
}

.choice-card::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    top: -110px;
    right: -90px;
    border-radius: 50%;
    background: var(--yellow);
    filter: blur(8px);
    opacity: 0.12;
}

.choice-icon {
    width: 60px;
    height: 60px;
    display: grid;
    place-items: center;
    margin-bottom: 19px;
    border-radius: 18px;
    color: #11170a;
    background: linear-gradient(135deg, var(--yellow), var(--yellow-light));
}

.choice-icon svg {
    width: 32px;
    height: 32px;
}

.choice-card h2 {
    font-size: 25px;
}

.choice-card p {
    margin: 9px 0 22px;
    color: var(--muted);
}

.choice-link {
    color: var(--yellow-light);
    font-size: 14px;
    font-weight: 900;
}

.download-hero {
    display: grid;
    grid-template-columns: 1fr 0.82fr;
    align-items: center;
    gap: 52px;
}

.download-copy h1 {
    max-width: 640px;
}

.download-copy .lead {
    max-width: 580px;
    margin-left: 0;
}

.benefits {
    display: grid;
    gap: 11px;
    margin: 25px 0;
    list-style: none;
}

.benefits li {
    display: flex;
    align-items: center;
    gap: 11px;
    color: #e3e3e3;
    font-size: 14px;
}

.benefits li::before {
    content: "✓";
    width: 25px;
    height: 25px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 50%;
    color: #11170a;
    background: var(--yellow);
    font-weight: 950;
}

.download-button {
    width: min(100%, 410px);
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 14px;
    color: #11170a;
    background: linear-gradient(135deg, var(--yellow), var(--yellow-light));
    box-shadow: 0 14px 34px rgba(168, 230, 0, 0.17);
    font-size: 16px;
    font-weight: 950;
    text-align: center;
    text-decoration: none;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.download-button:hover {
    transform: translateY(-3px);
    filter: brightness(1.07);
}

.download-button svg {
    width: 21px;
    height: 21px;
}

.file-meta {
    width: min(100%, 410px);
    margin-top: 12px;
    color: #858585;
    text-align: center;
    font-size: 12px;
}

.visual {
    position: relative;
    display: grid;
    place-items: center;
}

.visual::before {
    content: "";
    position: absolute;
    width: 90%;
    height: 90%;
    border-radius: 50%;
    background: rgba(168, 230, 0, 0.20);
    filter: blur(45px);
}

.visual-card {
    position: relative;
    width: min(100%, 400px);
    padding: 25px;
    border: 1px solid rgba(168, 230, 0, 0.20);
    border-radius: 29px;
    background: linear-gradient(145deg, #050505, #0d120a);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.43);
}

.visual-card img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
}

.profile-chip {
    position: absolute;
    right: -13px;
    bottom: 23px;
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 13px;
    color: var(--white);
    background: rgba(18, 18, 18, 0.96);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.38);
    font-size: 13px;
    font-weight: 900;
}

.profile-chip svg {
    width: 23px;
    height: 23px;
    color: var(--yellow);
}

.install {
    margin-top: 52px;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(16, 22, 11, 0.82);
}

.install h2 {
    margin-bottom: 22px;
    font-size: 25px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.step {
    display: flex;
    gap: 12px;
}

.step-number {
    width: 35px;
    height: 35px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border: 1px solid rgba(168, 230, 0, 0.34);
    border-radius: 50%;
    color: var(--yellow-light);
    background: rgba(168, 230, 0, 0.09);
    font-weight: 950;
}

.step strong {
    display: block;
    margin: 4px 0;
}

.step p {
    color: var(--muted);
    font-size: 13px;
}

.notice {
    display: flex;
    gap: 11px;
    margin-top: 23px;
    padding: 15px;
    border-left: 3px solid var(--yellow);
    border-radius: 8px;
    color: #dedede;
    background: rgba(168, 230, 0, 0.07);
    font-size: 12px;
}

.notice strong {
    color: var(--yellow-light);
}

footer {
    padding: 28px 0 34px;
    border-top: 1px solid var(--border);
    color: #7f7f7f;
    text-align: center;
    font-size: 12px;
}

@media (max-width: 830px) {
    .download-hero {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .download-copy {
        text-align: center;
    }

    .download-copy .lead {
        margin-inline: auto;
    }

    .benefits {
        width: fit-content;
        margin-inline: auto;
        text-align: left;
    }

    .file-meta {
        width: 100%;
    }

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

@media (max-width: 630px) {
    .container {
        width: min(100% - 28px, 1060px);
    }

    .topbar-inner {
        min-height: 64px;
    }

    .brand img {
        width: 46px;
        height: 46px;
    }

    .brand-copy strong {
        font-size: 17px;
    }

    .official {
        display: none;
    }

    .main {
        padding-top: 36px;
    }

    h1 {
        letter-spacing: -1.5px;
    }

    .lead {
        font-size: 15px;
    }

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

    .choice-card,
    .install {
        padding: 23px;
        border-radius: 19px;
    }

    .logo-showcase {
        width: 155px;
        height: 155px;
    }

    .logo-showcase img {
        width: 145px;
        height: 145px;
    }

    .visual-card {
        padding: 18px;
        border-radius: 22px;
    }

    .profile-chip {
        right: 4px;
        bottom: 15px;
    }
}