:root {
    color-scheme: light;
    --bg: #eef4fb;
    --surface: rgba(255, 255, 255, 0.82);
    --surface-strong: #ffffff;
    --text: #17243b;
    --muted: #5f6f89;
    --line: rgba(23, 36, 59, 0.1);
    --accent: #2492ff;
    --accent-deep: #1275d6;
    --shadow: 0 24px 64px rgba(33, 68, 118, 0.14);
    --radius-xl: 32px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --max-width: 1120px;
    font-family: "Segoe UI", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(36, 146, 255, 0.18), transparent 34%),
        radial-gradient(circle at bottom right, rgba(18, 117, 214, 0.14), transparent 28%),
        linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
}

.page {
    width: min(calc(100% - 32px), var(--max-width));
    margin: 0 auto;
    padding: 32px 0;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.8fr);
    gap: 28px;
    align-items: stretch;
    min-height: calc(100vh - 64px);
}

.hero-copy,
.hero-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.hero-copy {
    padding: clamp(28px, 4vw, 56px);
    background: linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.84) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-hero-logo {
    display: block;
    width: min(100%, 520px);
    margin: 0 0 18px;
    filter: drop-shadow(0 18px 32px rgba(42, 88, 149, 0.12));
}

.hero-panel {
    background:
        linear-gradient(180deg, rgba(36, 146, 255, 0.96) 0%, rgba(18, 117, 214, 0.96) 100%);
    color: #fff;
    padding: clamp(24px, 3vw, 36px);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
}

.hero-panel::before,
.hero-panel::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
}

.hero-panel::before {
    width: 220px;
    height: 220px;
    top: -72px;
    right: -44px;
}

.hero-panel::after {
    width: 120px;
    height: 120px;
    bottom: 76px;
    left: -34px;
}

.eyebrow,
.panel-kicker,
.release-label {
    margin: 0;
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.eyebrow {
    color: var(--accent-deep);
    font-weight: 700;
}

h1 {
    margin: 18px 0 14px;
    max-width: 11ch;
    font-size: clamp(2.6rem, 5vw, 4.8rem);
    line-height: 0.94;
    letter-spacing: -0.04em;
}

.lead {
    max-width: 36rem;
    margin: 0;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.release-card {
    margin-top: 28px;
    padding: 22px 24px;
    border-radius: var(--radius-lg);
    background: var(--surface-strong);
    border: 1px solid rgba(36, 146, 255, 0.16);
}

.release-version {
    margin: 10px 0 8px;
    font-size: clamp(1.6rem, 2vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.release-meta,
.release-notes {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.release-notes:not(:empty) {
    margin-top: 10px;
}

.actions {
    margin-top: 28px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.button {
    appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 15px 24px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 16px 40px rgba(36, 146, 255, 0.28);
}

.button-primary:hover {
    background: var(--accent-deep);
}

.button-secondary {
    background: rgba(23, 36, 59, 0.06);
    color: var(--text);
}

.panel-block {
    position: relative;
    z-index: 1;
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.panel-block:first-child {
    border-top: 0;
}

.panel-block strong {
    display: block;
    margin-top: 8px;
    font-size: 1.12rem;
    line-height: 1.4;
}

.inline-link {
    color: #fff;
}

@media (max-width: 900px) {
    .page {
        width: min(calc(100% - 24px), var(--max-width));
        padding: 12px 0 24px;
    }

    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .hero-panel {
        min-height: 280px;
    }

    h1 {
        max-width: none;
    }
}
