:root {
    --black: #080808;
    --black-soft: #111111;
    --card: #171717;
    --card-hover: #1f1f1f;
    --orange: #ff6500;
    --orange-light: #ff9a32;
    --white: #ffffff;
    --muted: #aeb5bc;
    --border: rgba(255, 255, 255, 0.11);
    --success: #39d98a;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--white);
    background:
        radial-gradient(circle at 12% 5%, rgba(255, 101, 0, 0.18), transparent 30rem),
        radial-gradient(circle at 92% 30%, rgba(255, 138, 0, 0.10), transparent 25rem),
        var(--black);
    font-family: Inter, Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

a {
    color: inherit;
}

.container {
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
}

.topbar {
    border-bottom: 1px solid var(--border);
    background: rgba(8, 8, 8, 0.88);
}

.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;
    text-decoration: none;
}

.brand img {
    width: 50px;
    height: 50px;
    padding: 3px;
    object-fit: contain;
    border-radius: 13px;
    background: var(--white);
}

.brand-name {
    font-size: 21px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

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

.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(57, 217, 138, 0.13);
}

.main {
    padding: 48px 0 38px;
}

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

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 8px 12px;
    border: 1px solid rgba(255, 101, 0, 0.31);
    border-radius: 999px;
    color: var(--orange-light);
    background: rgba(255, 101, 0, 0.09);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.7px;
    text-transform: uppercase;
}

h1 {
    max-width: 650px;
    font-size: clamp(38px, 5.4vw, 63px);
    line-height: 1.03;
    letter-spacing: -2.2px;
}

.lead {
    max-width: 590px;
    margin-top: 20px;
    color: var(--muted);
    font-size: 17px;
}

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

.benefits li {
    display: flex;
    align-items: center;
    gap: 11px;
    color: #e2e5e7;
    font-size: 14px;
}

.benefits li::before {
    content: "✓";
    width: 25px;
    height: 25px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 50%;
    color: var(--black);
    background: var(--orange);
    font-size: 14px;
    font-weight: 900;
}

.download-button {
    width: min(100%, 390px);
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 11px;
    padding: 14px 22px;
    border-radius: 14px;
    color: var(--white);
    background: linear-gradient(135deg, var(--orange), var(--orange-light));
    box-shadow: 0 14px 34px rgba(255, 101, 0, 0.20);
    font-size: 16px;
    font-weight: 900;
    text-align: center;
    text-decoration: none;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.download-button:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
}

.download-button svg {
    width: 21px;
    height: 21px;
    flex: 0 0 auto;
}

.file-meta {
    width: min(100%, 390px);
    margin-top: 12px;
    color: #858e96;
    font-size: 12px;
    text-align: center;
}

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

.visual::before {
    content: "";
    position: absolute;
    width: 90%;
    height: 90%;
    border-radius: 50%;
    background: rgba(255, 101, 0, 0.24);
    filter: blur(45px);
}

.logo-card {
    position: relative;
    width: min(100%, 420px);
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: 28px;
    background: linear-gradient(145deg, #ffffff, #f3f3f3);
    box-shadow: 0 25px 75px rgba(0, 0, 0, 0.46);
}

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

.profile-chip {
    position: absolute;
    right: -16px;
    bottom: 26px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 13px;
    color: var(--white);
    background: rgba(18, 18, 18, 0.95);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
    font-size: 13px;
    font-weight: 800;
}

.profile-chip svg {
    width: 24px;
    height: 24px;
    color: var(--orange);
}

.install {
    margin-top: 54px;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(23, 23, 23, 0.80);
}

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

.steps {
    display: grid;
    grid-template-columns: repeat(3, 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(255, 101, 0, 0.39);
    border-radius: 50%;
    color: var(--orange-light);
    background: rgba(255, 101, 0, 0.10);
    font-weight: 900;
}

.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(--orange);
    border-radius: 8px;
    color: #d9dddf;
    background: rgba(255, 101, 0, 0.08);
    font-size: 13px;
}

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

.hub-title {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.hub-title .lead {
    margin-inline: auto;
}

.hub-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin-top: 35px;
}

.hub-card {
    padding: 29px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: linear-gradient(145deg, var(--card), #0d0d0d);
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.hub-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 101, 0, 0.48);
    background: linear-gradient(145deg, var(--card-hover), #0d0d0d);
}

.hub-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    border-radius: 17px;
    color: var(--white);
    background: var(--orange);
}

.hub-icon svg {
    width: 31px;
    height: 31px;
}

.hub-card h2 {
    font-size: 23px;
}

.hub-card p {
    margin: 8px 0 20px;
    color: var(--muted);
}

.hub-link {
    color: var(--orange-light);
    font-weight: 900;
}

footer {
    padding: 27px 0 35px;
    margin-top: 52px;
    border-top: 1px solid var(--border);
    color: #818a92;
    text-align: center;
    font-size: 12px;
}

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

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

    .lead,
    .benefits {
        margin-inline: auto;
    }

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

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

    .download-button {
        width: min(100%, 430px);
    }

    .file-meta {
        width: 100%;
    }

    .profile-chip {
        right: 10px;
    }
}

@media (max-width: 620px) {
    .container {
        width: min(100% - 28px, 1080px);
    }

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

    .official {
        display: none;
    }

    .brand img {
        width: 44px;
        height: 44px;
    }

    .main {
        padding-top: 32px;
    }

    h1 {
        letter-spacing: -1.4px;
    }

    .lead {
        font-size: 15px;
    }

    .logo-card {
        padding: 18px;
        border-radius: 21px;
    }

    .profile-chip {
        right: 4px;
        bottom: 16px;
    }

    .install {
        padding: 23px;
        border-radius: 18px;
    }

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