.brief-hero-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 33rem);
    gap: clamp(24px, 3vw, 40px);
    align-items: start;
}

.brief-hero-copy {
    max-width: none;
    min-width: 0;
}

.brief-hero-aside {
    display: grid;
    gap: 16px;
    min-width: 0;
    position: sticky;
    top: 104px;
}

.brief-hero-title {
    max-width: 10.2ch;
    margin: 0 0 20px;
    font-family: var(--font-display);
    font-size: clamp(2.08rem, 4vw, 3.05rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.035em;
    text-wrap: balance;
}

.brief-hero-title-text {
    display: block;
    white-space: normal;
}

.brief-hero-copy .hero-subtitle {
    max-width: 35rem;
}

.brief-hero-copy .hero-support-links,
.brief-hero-copy .proof-strip {
    max-width: 37rem;
}

.brief-hero-card,
.brief-proof-card,
.brief-process-card {
    background: var(--bg-card-strong);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 24px 22px;
    box-shadow: var(--shadow-soft);
}

.brief-hero-card {
    display: grid;
    gap: 12px;
}

.brief-hero-card-primary {
    background: var(--bg-card);
    border-color: color-mix(in srgb, var(--accent-primary) 34%, var(--border-color));
}

.brief-hero-card-muted {
    background: color-mix(in srgb, var(--bg-secondary) 92%, transparent);
}

.brief-card-kicker {
    display: inline-flex;
    align-self: flex-start;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--bg-chip);
    color: var(--text-accent);
    border: 1px solid color-mix(in srgb, var(--accent-primary) 36%, var(--border-color));
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.brief-hero-card h2,
.brief-proof-card h3,
.brief-process-card h3 {
    font-family: var(--font-display);
    line-height: 1.15;
    text-wrap: balance;
}

.brief-hero-card h2 {
    font-size: 1.3rem;
}

.brief-hero-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.55;
}

.brief-hero-note,
.brief-proof-meta,
.brief-process-card p {
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.56;
}

.brief-page .contact-lane-presets {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
}

.brief-proof {
    background: color-mix(in srgb, var(--bg-secondary) 88%, transparent);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.brief-proof-grid,
.brief-process-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
}

.brief-proof-card,
.brief-process-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.brief-proof-card h3 {
    font-size: 1.24rem;
}

.brief-proof-card p {
    color: var(--text-secondary);
}

.brief-proof-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
    align-items: center;
}

.brief-proof-links .contact-lane-btn {
    min-height: 40px;
    font-size: 0.82rem;
}

.brief-process {
    background: var(--bg-primary);
}

.brief-process-card {
    min-height: 100%;
}

.brief-process-number {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.92rem;
    font-weight: 800;
    background: color-mix(in srgb, var(--accent-primary) 18%, #ffffff);
    color: var(--text-accent);
    border: 1px solid color-mix(in srgb, var(--accent-primary) 36%, var(--border-color));
}

.brief-form-section {
    background: color-mix(in srgb, var(--bg-secondary) 92%, transparent);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.brief-form-shell {
    align-items: start;
}

.brief-form-intro {
    position: sticky;
    top: 96px;
}

.brief-aftercare {
    background: var(--bg-primary);
}

@media (max-width: 1040px) {
    .brief-hero-shell,
    .brief-proof-grid,
    .brief-process-grid {
        grid-template-columns: 1fr;
    }

    .brief-form-intro {
        position: static;
    }

    .brief-hero-aside {
        position: static;
    }
}