.dde-wrap {
    --dde-ink: #17212b;
    --dde-muted: #64717d;
    --dde-line: #dce5e7;
    --dde-bg: #f5f8f7;
    --dde-panel: #ffffff;
    --dde-accent: #116466;
    --dde-accent-strong: #0b4446;
    --dde-gold: #d9a441;
    color: var(--dde-ink);
    background:
        linear-gradient(135deg, rgba(17, 100, 102, 0.1), rgba(217, 164, 65, 0.15)),
        var(--dde-bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    padding: clamp(28px, 5vw, 72px) 16px;
}

.dde-shell {
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(360px, 1.18fr);
    gap: clamp(24px, 5vw, 56px);
    align-items: start;
    max-width: 1180px;
    margin: 0 auto;
}

.dde-intro {
    position: sticky;
    top: 24px;
}

.dde-badge {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    border: 1px solid rgba(17, 100, 102, 0.24);
    border-radius: 999px;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.74);
    color: var(--dde-accent);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.dde-intro h1 {
    max-width: 680px;
    margin: 16px 0;
    color: var(--dde-ink);
    font-size: clamp(38px, 5vw, 66px);
    line-height: 1;
    letter-spacing: 0;
}

.dde-intro p {
    max-width: 560px;
    margin: 0;
    color: var(--dde-muted);
    font-size: 18px;
    line-height: 1.65;
}

.dde-service-strip {
    display: grid;
    gap: 10px;
    margin-top: 28px;
}

.dde-service-strip span {
    border-left: 4px solid var(--dde-gold);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--dde-ink);
    font-size: 15px;
    font-weight: 750;
    padding: 11px 12px;
}

.dde-image {
    display: block;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
    margin-top: 24px;
    box-shadow: 0 18px 48px rgba(23, 33, 43, 0.16);
}

.dde-card {
    border: 1px solid rgba(23, 33, 43, 0.1);
    border-radius: 8px;
    background: var(--dde-panel);
    box-shadow: 0 24px 70px rgba(23, 33, 43, 0.12);
    padding: clamp(18px, 3vw, 30px);
}

.dde-form {
    display: grid;
    gap: 22px;
}

.dde-form-section {
    display: grid;
    gap: 14px;
    border-bottom: 1px solid var(--dde-line);
    padding-bottom: 22px;
}

.dde-form-section:last-of-type {
    border-bottom: 0;
    padding-bottom: 0;
}

.dde-form-section h2 {
    margin: 0;
    color: var(--dde-ink);
    font-size: 21px;
    line-height: 1.2;
    letter-spacing: 0;
}

.dde-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.dde-form label {
    display: grid;
    gap: 7px;
    color: var(--dde-ink);
    font-size: 14px;
    font-weight: 750;
}

.dde-form input,
.dde-form textarea,
.dde-form select {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--dde-line);
    border-radius: 6px;
    background: #fbfcfd;
    color: var(--dde-ink);
    font: inherit;
    font-weight: 500;
    padding: 11px 12px;
    transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.dde-form textarea {
    min-height: 92px;
    resize: vertical;
}

.dde-form input:focus,
.dde-form textarea:focus,
.dde-form select:focus {
    outline: none;
    border-color: var(--dde-accent);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(17, 100, 102, 0.14);
}

.dde-form button {
    min-height: 52px;
    border: 0;
    border-radius: 6px;
    background: var(--dde-accent);
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-size: 16px;
    font-weight: 850;
    transition: background 160ms ease, transform 160ms ease;
}

.dde-form button:hover,
.dde-form button:focus {
    background: var(--dde-accent-strong);
    transform: translateY(-1px);
}

.dde-form button:disabled {
    cursor: wait;
    opacity: 0.76;
}

.dde-message {
    border-radius: 6px;
    padding: 11px 12px;
    margin-bottom: 18px;
    font-weight: 750;
    font-size: 14px;
}

.dde-message-success {
    background: #e8f6ef;
    color: #17613a;
}

.dde-message-error {
    background: #fdebec;
    color: #9b1c24;
}

@media (max-width: 920px) {
    .dde-shell {
        grid-template-columns: 1fr;
    }

    .dde-intro {
        position: static;
    }
}

@media (max-width: 620px) {
    .dde-wrap {
        padding: 22px 12px;
    }

    .dde-intro h1 {
        font-size: 34px;
    }

    .dde-intro p {
        font-size: 16px;
    }

    .dde-grid {
        grid-template-columns: 1fr;
    }
}