/* Demo page */
.demo-shell {
    position: relative;
    z-index: 2;
    padding: 56px 0 88px;
}

.demo-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.9fr);
    gap: 28px;
    align-items: stretch;
}

.demo-copy-card,
.demo-form-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-a);
}

.demo-copy-card {
    padding: clamp(24px, 3vw, 38px);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.kicker {
    width: fit-content;
    margin: 0;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(36, 79, 159, 0.12);
    color: var(--ink-soft);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.demo-copy-card h1 {
    font-size: clamp(2rem, 3.4vw, 3rem);
    line-height: 1.04;
    color: var(--ink);
}

.demo-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.demo-title-line {
    display: block;
}

.demo-title-accent {
    color: var(--ink-soft);
}

.lead-copy {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.66;
    max-width: 58ch;
}

.lead-copy-accent {
    color: var(--ink-soft);
    font-weight: 600;
}

.value-points {
    list-style: none;
    margin: 4px 0 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.value-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 600;
}

.value-points i {
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.airplane-shot {
    margin: 8px 0 0;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(36, 79, 159, 0.16);
    box-shadow: 0 14px 32px rgba(21, 62, 136, 0.16);
}

.airplane-shot img {
    display: block;
    width: 100%;
    height: clamp(190px, 34vh, 340px);
    object-fit: cover;
}

.demo-form-card {
    padding: clamp(24px, 2.6vw, 32px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: clamp(1.55rem, 2.1vw, 2rem);
    color: var(--ink);
    margin-bottom: 8px;
}

.email-inline {
    width: 34px;
    height: 34px;
    object-fit: contain;
    flex-shrink: 0;
}

.form-footnote {
    margin-top: 12px;
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.5;
}

.form-footnote a {
    color: var(--ink-soft);
    font-weight: 600;
    text-decoration: none;
}

.form-footnote a:hover {
    text-decoration: underline;
}

.demo-form-card p {
    color: var(--muted);
    margin-bottom: 18px;
}

.demo-input {
    border: 1.5px solid var(--line);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-size: 0.95rem;
    color: var(--text);
}

.demo-input:focus {
    border-color: var(--ink-soft);
    box-shadow: 0 0 0 3px rgba(36, 79, 159, 0.13);
}

.form-message {
    min-height: 24px;
    margin: 14px 0 0;
    font-size: 0.92rem;
    font-weight: 600;
}

.form-message.success {
    color: #1f7a31;
}

.form-message.error {
    color: #b00020;
}

@media (max-width: 1200px) {
    .demo-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(300px, 1fr);
        gap: 24px;
    }
}

@media (max-width: 991.98px) {
    .demo-shell {
        padding: 40px 0 64px;
    }

    .demo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .demo-copy-card {
        order: 2;
    }

    .demo-form-card {
        order: 1;
    }

    .airplane-shot img {
        height: clamp(180px, 32vh, 300px);
    }
}

@media (max-width: 767px) {
    .demo-shell {
        padding: 28px 0 48px;
    }

    .demo-copy-card,
    .demo-form-card {
        padding: 20px;
        border-radius: var(--radius-md);
    }

    .demo-copy-card {
        gap: 14px;
    }

    .demo-copy-card h1 {
        font-size: clamp(1.6rem, 6vw, 2rem);
    }

    .lead-copy {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .form-heading {
        font-size: 1.35rem;
        gap: 10px;
    }

    .email-inline {
        width: 28px;
        height: 28px;
    }

    .demo-form-card p {
        font-size: 0.92rem;
    }

    .airplane-shot img {
        height: clamp(160px, 40vw, 240px);
    }

    .form-footnote {
        font-size: 0.78rem;
    }
}

@media (max-width: 420px) {
    .demo-shell {
        padding: 20px 0 40px;
    }

    .demo-copy-card,
    .demo-form-card {
        padding: 16px;
    }

    .form-heading {
        font-size: 1.2rem;
    }
}