.sem-form-shell,
.sem-form-shell * {
    box-sizing: border-box;
}
.sem-form-shell {
    width: 100%;
    padding: 18px 0;
    font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.sem-form-card {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: clamp(24px, 4vw, 48px);
    border: 1px solid rgba(15, 23, 42, .08);
    border-radius: 24px;
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, .08), transparent 32%),
        #fff;
    box-shadow: 0 24px 70px rgba(15, 23, 42, .10);
}
.sem-form-heading {
    margin-bottom: 28px;
}
.sem-kicker {
    display: inline-block;
    margin-bottom: 8px;
    color: #2563eb;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .14em;
}
.sem-form-heading h3 {
    margin: 0 0 8px;
    color: #0f172a;
    font-size: clamp(26px, 4vw, 38px);
    line-height: 1.15;
}
.sem-form-heading p {
    margin: 0;
    color: #64748b;
    font-size: 15px;
}
.sem-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.sem-field-full {
    grid-column: 1 / -1;
}
.sem-field label {
    display: block;
    margin-bottom: 8px;
    color: #0f172a;
    font-size: 13px;
    font-weight: 700;
}
.sem-field label span {
    color: #dc2626;
}
.sem-field input,
.sem-field textarea {
    width: 100%;
    min-height: 52px;
    padding: 13px 15px;
    border: 1px solid #dbe4f0;
    border-radius: 12px;
    outline: none;
    background: #f8fafc;
    color: #0f172a;
    font: inherit;
    font-size: 15px;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.sem-field textarea {
    min-height: 130px;
    resize: vertical;
}
.sem-field input:focus,
.sem-field textarea:focus {
    border-color: #2563eb;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
}
.sem-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    width: 100%;
    min-height: 56px;
    margin-top: 22px;
    padding: 14px 20px;
    border: 0;
    border-radius: 13px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    font: inherit;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(37, 99, 235, .25);
    transition: transform .2s ease, box-shadow .2s ease;
}
.sem-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 34px rgba(37, 99, 235, .30);
}
.sem-submit-btn.is-loading {
    opacity: .72;
    pointer-events: none;
}
.sem-arrow {
    font-size: 21px;
    line-height: 1;
}
.sem-alert {
    margin-bottom: 20px;
    padding: 13px 15px;
    border-radius: 10px;
    font-weight: 600;
}
.sem-alert-success {
    border: 1px solid #bbf7d0;
    background: #f0fdf4;
    color: #166534;
}
.sem-alert-error {
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: #991b1b;
}
.sem-honeypot {
    position: absolute !important;
    left: -99999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}
@media (max-width: 700px) {
    .sem-form-shell {
        padding: 10px 0;
    }
    .sem-form-card {
        padding: 22px 16px;
        border-radius: 18px;
    }
    .sem-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .sem-field-full {
        grid-column: auto;
    }
    .sem-form-heading {
        margin-bottom: 22px;
    }
}