:root {
    --bg: #080b12;
    --bg-soft: #101522;
    --card: rgba(20, 27, 43, 0.88);
    --card-light: rgba(31, 41, 64, 0.75);
    --primary: #7c5cff;
    --primary-light: #a78bfa;
    --cyan: #28d7ff;
    --text: #f5f7ff;
    --muted: #9ba7bf;
    --border: rgba(255, 255, 255, 0.1);
    --success: #42dfaa;
    --warning: #ffca6b;
    --radius: 20px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--text);
    background:
        radial-gradient(
            circle at 10% 10%,
            rgba(124, 92, 255, 0.16),
            transparent 28rem
        ),
        radial-gradient(
            circle at 90% 20%,
            rgba(40, 215, 255, 0.1),
            transparent 24rem
        ),
        var(--bg);
    font-family:
        Inter,
        "Segoe UI",
        Roboto,
        Arial,
        sans-serif;
    line-height: 1.6;
}

body::before {
    position: fixed;
    z-index: -1;
    inset: 0;
    pointer-events: none;
    content: "";
    opacity: 0.35;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 40px 40px;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, calc(100% - 36px));
    margin: 0 auto;
}

.top-header {
    position: sticky;
    z-index: 10;
    top: 0;
    border-bottom: 1px solid var(--border);
    background: rgba(8, 11, 18, 0.82);
    backdrop-filter: blur(18px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 20px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 13px;
    color: #fff;
    font-size: 14px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    box-shadow: 0 10px 30px rgba(124, 92, 255, 0.3);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-text strong {
    letter-spacing: 1px;
    font-size: 16px;
}

.brand-text small {
    margin-top: 5px;
    color: var(--muted);
    letter-spacing: 1.6px;
    font-size: 9px;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 14px var(--success);
}

.announcement-wrap {
    padding-top: 18px;
}

.announcement {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border: 1px solid rgba(40, 215, 255, 0.18);
    border-radius: 12px;
    background: rgba(40, 215, 255, 0.06);
}

.announcement-label {
    flex: 0 0 auto;
    color: var(--cyan);
    letter-spacing: 1px;
    font-size: 11px;
    font-weight: 800;
}

.announcement-text {
    overflow: hidden;
    color: #d6def0;
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hero-section {
    padding: 100px 0 72px;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    padding: 7px 12px;
    border: 1px solid rgba(124, 92, 255, 0.35);
    border-radius: 999px;
    color: var(--primary-light);
    background: rgba(124, 92, 255, 0.1);
    letter-spacing: 1.4px;
    font-size: 11px;
    font-weight: 800;
}

.hero-section h1 {
    margin: 20px 0 18px;
    font-size: clamp(42px, 7vw, 76px);
    line-height: 1.05;
    letter-spacing: -3px;
}

.hero-section h1 span {
    color: transparent;
    background: linear-gradient(
        90deg,
        var(--primary-light),
        var(--cyan)
    );
    -webkit-background-clip: text;
    background-clip: text;
}

.hero-section p {
    max-width: 580px;
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.download-section,
.steps-section {
    padding: 30px 0 80px;
}

.section-heading {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.section-number {
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1px;
}

.section-heading h2 {
    margin: 0 0 5px;
    font-size: 27px;
    letter-spacing: -0.5px;
}

.section-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.download-card {
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background:
        linear-gradient(
            135deg,
            rgba(124, 92, 255, 0.12),
            transparent 45%
        ),
        var(--card);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}

.download-card-top {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 28px;
}

.download-icon {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 15px;
    color: white;
    font-size: 28px;
    background: linear-gradient(135deg, var(--primary), #5740d6);
}

.download-card h3 {
    margin: 0;
    font-size: 21px;
}

.download-card-top p {
    margin: 3px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #dce4f5;
    font-size: 13px;
    font-weight: 700;
}

.form-group select {
    width: 100%;
    min-height: 52px;
    padding: 0 15px;
    border: 1px solid var(--border);
    border-radius: 12px;
    outline: none;
    color: var(--text);
    background: #111827;
    font: inherit;
    cursor: pointer;
    transition: 0.2s ease;
}

.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.15);
}

.form-group select:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.selection-message {
    min-height: 25px;
    margin-top: 15px;
    color: var(--muted);
    font-size: 13px;
}

.selection-message.success {
    color: var(--success);
}

.selection-message.warning {
    color: var(--warning);
}

.download-action {
    margin-top: 12px;
}

.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    min-height: 52px;
    padding: 0 20px;
    border: 0;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), #5941d8);
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.4px;
    cursor: pointer;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        opacity 0.2s ease;
}

.primary-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(124, 92, 255, 0.3);
}

.primary-button:disabled {
    cursor: not-allowed;
    opacity: 0.42;
}

.button-arrow {
    font-size: 19px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.step-card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(20, 27, 43, 0.65);
}

.step-number {
    color: var(--cyan);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1px;
}

.step-card h3 {
    margin: 16px 0 7px;
    font-size: 18px;
}

.step-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.site-footer {
    border-top: 1px solid var(--border);
    background: rgba(4, 6, 11, 0.5);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 105px;
    gap: 20px;
}

.footer-inner strong {
    font-size: 14px;
    letter-spacing: 1px;
}

.footer-inner p {
    margin: 3px 0 0;
    color: var(--muted);
    font-size: 12px;
}

.footer-copy {
    color: var(--muted);
    font-size: 12px;
}

@media (max-width: 700px) {
    .container {
        width: min(100% - 26px, 1120px);
    }

    .header-status {
        display: none;
    }

    .hero-section {
        padding: 70px 0 55px;
    }

    .hero-section h1 {
        letter-spacing: -2px;
    }

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

    .download-card {
        padding: 20px;
    }

    .announcement-text {
        white-space: normal;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        padding: 24px 0;
    }
}
.announcement {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 18px auto;
    padding: 14px 18px;
    max-width: 1100px;
    border: 1px solid rgba(110, 93, 252, 0.35);
    border-radius: 12px;
    color: #f5f7ff;
    background: rgba(31, 34, 55, 0.9);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.announcement-label {
    flex: 0 0 auto;
    color: #8e7dff;
    font-weight: 700;
    white-space: nowrap;
}

.announcement-content {
    line-height: 1.6;
    word-break: break-word;
}

@media (max-width: 600px) {
    .announcement {
        display: block;
    }

    .announcement-label {
        margin-bottom: 6px;
    }
}