:root {
    color-scheme: dark;
    --bg: #07111f;
    --border: rgba(121, 208, 255, 0.18);
    --text: #edf4ff;
    --muted: #95a5c8;
    --primary: #79d0ff;
    --primary-strong: #5f86ff;
    --shadow: 0 24px 80px rgba(2, 8, 18, 0.42);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Sora", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(95, 134, 255, 0.22), transparent 24%),
        radial-gradient(circle at bottom right, rgba(121, 208, 255, 0.16), transparent 28%),
        linear-gradient(145deg, #050b15 0%, var(--bg) 42%, #081324 100%);
}

.shell {
    width: min(1180px, calc(100vw - 32px));
    margin: 24px auto 40px;
}

header,
.hero,
.grid-card {
    border: 1px solid var(--border);
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(10, 21, 40, 0.95), rgba(8, 16, 31, 0.92));
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

header {
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-mark {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    border: 1px solid rgba(121, 208, 255, 0.24);
    background: linear-gradient(135deg, rgba(121, 208, 255, 0.22), rgba(95, 134, 255, 0.26));
    font-family: "JetBrains Mono", monospace;
    color: var(--primary);
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
}

.brand-subtitle {
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero {
    margin-top: 24px;
    padding: 36px;
    overflow: hidden;
    position: relative;
}

.hero::after {
    content: "";
    position: absolute;
    right: -60px;
    bottom: -80px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(121, 208, 255, 0.18), transparent 70%);
}

.eyebrow {
    color: var(--primary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

h1 {
    margin: 14px 0 12px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.02;
    max-width: 760px;
}

.copy {
    max-width: 720px;
    color: var(--muted);
    line-height: 1.8;
    font-size: 15px;
}

.actions {
    margin-top: 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 20px;
    border-radius: 18px;
    font-weight: 700;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #07111f;
}

.btn-google {
    gap: 10px;
    border: 1px solid rgba(121, 208, 255, 0.14);
    background: rgba(121, 208, 255, 0.08);
    color: var(--text);
}

.btn-secondary {
    border: 1px solid rgba(121, 208, 255, 0.14);
    background: rgba(121, 208, 255, 0.06);
    color: var(--text);
}

.google-icon {
    width: 18px;
    height: 18px;
    flex: none;
}

.grid {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.grid-card {
    padding: 24px;
}

.grid-card h2 {
    margin: 0 0 12px;
    font-size: 20px;
}

.grid-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
    font-size: 14px;
}

@media (max-width: 900px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .shell {
        width: calc(100vw - 16px);
        margin: 12px auto 24px;
    }

    header,
    .hero,
    .grid-card {
        border-radius: 20px;
    }

    .hero,
    .grid-card {
        padding: 20px;
    }
}