.briefing-page {
    background:
        radial-gradient(circle at top left, rgba(233, 30, 99, 0.12), transparent 24%),
        radial-gradient(circle at 100% 0, rgba(59, 130, 246, 0.1), transparent 24%),
        linear-gradient(180deg, #05070c 0%, #080b11 48%, #05070c 100%);
    color: var(--tg-text);
}

.briefing-hero {
    padding: 148px 0 64px;
}

.briefing-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: var(--tg-accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.briefing-hero h1,
.briefing-section-heading h2 {
    margin: 20px 0 16px;
    color: #ffffff;
    font-family: var(--font-primary);
    line-height: 1.06;
    letter-spacing: -0.04em;
}

.briefing-hero h1 {
    max-width: 860px;
    font-size: clamp(2.2rem, 4.8vw, 4rem);
}

.briefing-hero p,
.briefing-section-heading p,
.briefing-field span,
.briefing-option span {
    color: var(--tg-muted);
    line-height: 1.75;
}

.briefing-hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 34px;
}

.briefing-meta-card,
.briefing-form-card {
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 20px 44px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(12px);
}

.briefing-meta-card {
    padding: 22px;
}

.briefing-meta-card strong {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(233, 30, 99, 0.14);
    color: #ffffff;
    font-family: var(--font-primary);
    font-size: 1rem;
    margin-bottom: 14px;
}

.briefing-form-section {
    padding: 0 0 96px;
}

.briefing-form-card {
    padding: clamp(28px, 4vw, 42px);
}

.briefing-section-block + .briefing-section-block {
    margin-top: 38px;
    padding-top: 38px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.briefing-section-heading {
    margin-bottom: 24px;
}

.briefing-section-heading h2 {
    margin-bottom: 8px;
    font-size: clamp(1.6rem, 2.4vw, 2.2rem);
}

.briefing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.briefing-grid.two-cols {
    margin-bottom: 22px;
}

.briefing-field {
    display: grid;
    gap: 10px;
}

.briefing-field.full-width {
    grid-column: 1 / -1;
}

.briefing-field span {
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
}

.briefing-field input,
.briefing-field textarea,
.briefing-options {
    width: 100%;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(7, 9, 14, 0.48);
    color: #ffffff;
    padding: 16px 18px;
    font: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.briefing-field textarea {
    resize: vertical;
    min-height: 132px;
}

.briefing-field input:focus,
.briefing-field textarea:focus {
    outline: none;
    border-color: rgba(233, 30, 99, 0.4);
    box-shadow: 0 0 0 4px rgba(233, 30, 99, 0.12);
}

.briefing-options {
    display: grid;
    gap: 12px;
}

.briefing-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.briefing-option input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    padding: 0;
}

.briefing-option span {
    color: var(--tg-text-soft);
    font-weight: 500;
}

.briefing-field .is-error,
.briefing-options.is-error {
    border-color: rgba(239, 68, 68, 0.7);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.08);
}

.briefing-field small {
    color: #fca5a5;
}

.briefing-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.briefing-alert {
    margin-bottom: 24px;
    padding: 16px 18px;
    border-radius: 18px;
    font-weight: 600;
}

.briefing-alert-success {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #bbf7d0;
}

.briefing-alert-danger {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fecaca;
}

@media (max-width: 980px) {
    .briefing-hero-meta,
    .briefing-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .briefing-hero {
        padding-top: 128px;
    }

    .briefing-actions {
        flex-direction: column;
    }

    .briefing-actions .btn {
        width: 100%;
    }
}