:root {
    --bg: #eef1f6;
    --bg-accent: radial-gradient(circle at top left, rgba(63, 99, 255, 0.12), transparent 28%), radial-gradient(circle at bottom right, rgba(36, 184, 138, 0.12), transparent 30%), linear-gradient(180deg, #f6f8fc 0%, #edf1f7 100%);
    --card: rgba(255, 255, 255, 0.9);
    --card-strong: rgba(255, 255, 255, 0.98);
    --border: rgba(38, 46, 66, 0.08);
    --text: #172033;
    --muted: #71809b;
    --accent: #2d6df6;
    --accent-strong: #1f57d0;
    --shadow: 0 24px 70px rgba(30, 44, 82, 0.08);
    --radius: 28px;
    --radius-sm: 16px;
    --font-display: "DM Serif Display", "Georgia", serif;
    --font-body: "Manrope", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background: var(--bg-accent);
    font-family: var(--font-body);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
    background-size: 30px 30px;
    mask-image: radial-gradient(circle at center, black 42%, transparent 85%);
    pointer-events: none;
}

a {
    color: inherit;
}

.shell {
    min-height: 100vh;
    padding: 32px 20px;
    display: grid;
    place-items: center;
}

.hero-card {
    width: min(100%, 920px);
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
}

.hero-copy {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: end;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    line-height: 0.96;
    font-weight: 400;
}

.lead {
    max-width: 560px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.shortener-form,
.installer-form {
    display: grid;
    gap: 14px;
    margin-top: 32px;
}

label {
    font-size: 0.94rem;
    font-weight: 600;
}

input,
button {
    font: inherit;
}

input {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid rgba(67, 54, 43, 0.14);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.92);
    color: var(--text);
}

input:focus {
    outline: 2px solid rgba(45, 109, 246, 0.18);
    border-color: rgba(45, 109, 246, 0.28);
}

button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border: 0;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

button:hover {
    transform: translateY(-1px);
    background: var(--accent-strong);
    box-shadow: 0 12px 24px rgba(45, 109, 246, 0.18);
}

.panel {
    margin-top: 24px;
    padding: 18px 20px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--card-strong);
}

.error-panel {
    color: #8b3838;
    background: rgba(192, 72, 72, 0.08);
}

.result-panel {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
}

.panel-label,
.muted {
    margin: 0;
}

.panel-label {
    color: var(--muted);
    font-size: 0.84rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.short-link {
    display: inline-block;
    margin-top: 6px;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
}

.muted {
    margin-top: 10px;
    color: var(--muted);
}

.qr-box {
    flex-shrink: 0;
    display: grid;
    gap: 12px;
    padding: 10px;
    border-radius: 22px;
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(80, 60, 40, 0.08);
}

.qr-box img {
    display: block;
    width: 150px;
    height: 150px;
}

.qr-download {
    color: var(--accent);
    font-size: 0.92rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
}

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

.installer-form button {
    grid-column: 1 / -1;
}

.turnstile-wrap {
    margin-top: 6px;
}

@media (max-width: 760px) {
    .hero-card {
        padding: 24px;
    }

    .hero-copy,
    .result-panel {
        display: grid;
    }

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

    .qr-box img {
        width: 132px;
        height: 132px;
    }
}