.brief-hero{background:var(--gradient-primary);padding:120px 0 60px;position:relative;overflow:hidden}.brief-hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:rgba(255,255,255,0.04);border-radius:50%;pointer-events:none}.brief-hero__badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.2);color:#fff;padding:6px 16px;border-radius:20px;font-size:0.8rem;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;margin-bottom:24px}.brief-hero__title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;color:#fff;line-height:1.2;margin-bottom:16px;text-wrap:balance}.brief-hero__title span{color:var(--color-accent,#f5a623)}.brief-hero__subtitle{font-size:1.1rem;color:rgba(255,255,255,0.85);max-width:560px;line-height:1.7;margin-bottom:32px}.brief-hero__meta{display:flex;gap:24px;flex-wrap:wrap}.brief-hero__meta-item{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,0.8);font-size:0.9rem}.brief-hero__meta-item i{color:var(--color-accent,#f5a623)}.brief-section{padding:60px 0 80px;background:var(--color-bg-light,#f8f9fa)}.brief-stepper{display:flex;justify-content:center;align-items:center;gap:0;margin-bottom:40px;flex-wrap:wrap;row-gap:12px}.brief-step{display:flex;align-items:center;gap:8px}.brief-step__dot{width:36px;height:36px;border-radius:50%;border:2px solid var(--color-border,#dee2e6);background:#fff;color:var(--color-text-muted,#6c757d);font-size:0.85rem;font-weight:700;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease;flex-shrink:0}.brief-step__label{font-size:0.78rem;font-weight:600;color:var(--color-text-muted,#6c757d);white-space:nowrap;transition:color 0.3s ease}.brief-step__connector{width:40px;height:2px;background:var(--color-border,#dee2e6);transition:background 0.3s ease;flex-shrink:0;margin:0 4px}@media (max-width:600px){.brief-stepper{flex-wrap:nowrap;margin-bottom:32px}.brief-step__label{display:none}.brief-step__connector{width:auto;flex:1;min-width:16px;margin:0 2px}}.brief-step.active .brief-step__dot{background:var(--color-primary,#004a5d);border-color:var(--color-primary,#004a5d);color:#fff}.brief-step.active .brief-step__label{color:var(--color-primary,#004a5d)}.brief-step.done .brief-step__dot{background:var(--color-success,#28a745);border-color:var(--color-success,#28a745);color:#fff}.brief-step.done .brief-step__label{color:var(--color-success,#28a745)}.brief-step.done + .brief-step__connector,.brief-step.active + .brief-step__connector{background:var(--color-primary,#004a5d)}.brief-card{background:#fff;border-radius:16px;box-shadow:0 4px 24px rgba(0,0,0,0.08);padding:40px 48px;max-width:720px;margin:0 auto}@media (max-width:640px){.brief-card{padding:28px 20px}}.brief-card__step{display:none}.brief-card__step.active{display:block;animation:fadeInStep 0.35s ease}@keyframes fadeInStep{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.brief-card__step-label{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--color-primary,#004a5d);margin-bottom:6px}.brief-card__step-title{font-size:1.35rem;font-weight:700;color:var(--color-text,#1a1a2e);margin-bottom:28px;line-height:1.3}.brief-field{margin-bottom:24px}.brief-field label{display:block;font-size:0.9rem;font-weight:600;color:var(--color-text,#1a1a2e);margin-bottom:8px}.brief-field label .brief-optional{font-weight:400;color:var(--color-text-muted,#6c757d);font-size:0.82rem}.brief-groupe{border:0;margin:0;min-width:0;padding:0}.brief-legende{color:var(--color-text,#1a1a2e);display:block;font-size:0.9rem;font-weight:600;margin-bottom:8px;padding:0}.brief-legende .brief-optional{color:var(--color-text-muted,#6c757d);font-size:0.82rem;font-weight:400}.brief-piege{height:1px;left:-9999px;overflow:hidden;position:absolute;width:1px}.brief-select,.brief-input{width:100%;padding:12px 16px;border:2px solid var(--color-border,#dee2e6);border-radius:10px;font-size:0.95rem;font-family:inherit;color:var(--color-text,#1a1a2e);background:#fff;transition:border-color 0.2s ease,box-shadow 0.2s ease;appearance:none;-webkit-appearance:none}.brief-select{padding-right:44px;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='1,1.5 6,6.5 11,1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:12px 8px;cursor:pointer}.brief-select-wrapper{position:relative}.brief-select:focus,.brief-input:focus{outline:none;border-color:var(--color-primary,#004a5d);box-shadow:0 0 0 3px rgba(0,74,93,0.1)}.brief-input::placeholder{color:var(--color-text-muted,#6c757d)}.brief-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.brief-options--full{grid-template-columns:1fr}.brief-options--three{grid-template-columns:1fr 1fr 1fr}@media (max-width:500px){.brief-options,.brief-options--three{grid-template-columns:1fr}}.brief-option{position:relative}.brief-option input[type="radio"],.brief-option input[type="checkbox"]{position:absolute;opacity:0;width:1px;height:1px;margin:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.brief-option__label{display:flex;align-items:center;gap:10px;padding:12px 16px;border:2px solid var(--color-border,#dee2e6);border-radius:10px;cursor:pointer;font-size:0.9rem;color:var(--color-text,#1a1a2e);transition:all 0.2s ease;background:#fff;user-select:none}.brief-option__label:hover{border-color:var(--color-primary,#004a5d);background:rgba(0,74,93,0.03)}.brief-option__label i{color:var(--color-text-muted,#6c757d);font-size:0.9rem;width:16px;text-align:center;flex-shrink:0;transition:color 0.2s ease}.brief-option input:checked + .brief-option__label{border-color:var(--color-primary,#004a5d);background:rgba(0,74,93,0.06);color:var(--color-primary,#004a5d);font-weight:600}.brief-option input:checked + .brief-option__label i{color:var(--color-primary,#004a5d)}.brief-option input:focus-visible + .brief-option__label{outline:3px solid var(--color-primary,#004a5d);outline-offset:2px}.brief-textarea-wrapper{position:relative}.brief-textarea{width:100%;padding:12px 16px;border:2px solid var(--color-border,#dee2e6);border-radius:10px;font-size:0.95rem;font-family:inherit;color:var(--color-text,#1a1a2e);resize:vertical;min-height:80px;transition:border-color 0.2s ease,box-shadow 0.2s ease}.brief-textarea:focus{outline:none;border-color:var(--color-primary,#004a5d);box-shadow:0 0 0 3px rgba(0,74,93,0.1)}.brief-textarea::placeholder{color:var(--color-text-muted,#6c757d)}.brief-char-count{text-align:right;font-size:0.75rem;color:var(--color-text-muted,#6c757d);margin-top:4px}.brief-nav{display:flex;justify-content:space-between;align-items:center;margin-top:32px;padding-top:24px;border-top:1px solid var(--color-border,#dee2e6)}.brief-nav--right{justify-content:flex-end}.btn-brief-prev{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border:2px solid var(--color-border,#dee2e6);border-radius:10px;background:#fff;color:var(--color-text-muted,#6c757d);font-size:0.9rem;font-weight:600;cursor:pointer;transition:all 0.2s ease;font-family:inherit}.btn-brief-prev:hover{border-color:var(--color-primary,#004a5d);color:var(--color-primary,#004a5d)}.btn-brief-next{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:var(--color-primary,#004a5d);color:#fff;border:none;border-radius:10px;font-size:0.95rem;font-weight:700;cursor:pointer;transition:all 0.2s ease;font-family:inherit}.btn-brief-next:hover{background:var(--color-primary-dark,#003845);transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,74,93,0.25)}.brief-error{display:none;color:#dc3545;font-size:0.82rem;margin-top:6px;align-items:center;gap:5px}.brief-error.visible{display:flex}.brief-field.has-error .brief-select,.brief-field.has-error .brief-input,.brief-field.has-error .brief-textarea{border-color:#dc3545}.brief-result{text-align:center}.brief-result__icon{width:72px;height:72px;background:linear-gradient(135deg,#004a5d,#006d8a);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.8rem;color:#fff}.brief-result__title{font-size:1.5rem;font-weight:700;color:var(--color-text,#1a1a2e);margin-bottom:10px}.brief-result__subtitle{color:var(--color-text-muted,#6c757d);margin-bottom:32px;line-height:1.6}.brief-result__actions{display:flex;flex-direction:column;gap:12px;max-width:400px;margin:0 auto}.btn-download{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;background:var(--color-primary,#004a5d);color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:all 0.2s ease;font-family:inherit;width:100%}.btn-download:hover{background:var(--color-primary-dark,#003845);transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,74,93,0.3)}.btn-send-brief{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;background:#fff;color:var(--color-primary,#004a5d);border:2px solid var(--color-primary,#004a5d);border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all 0.2s ease;font-family:inherit;width:100%}.btn-send-brief:hover{background:rgba(0,74,93,0.05)}.brief-send-form{display:none;margin-top:24px;padding:24px;background:rgba(0,74,93,0.04);border-radius:12px;border:1px solid rgba(0,74,93,0.12);text-align:left}.brief-send-form.open{display:block;animation:fadeInStep 0.3s ease}.brief-send-form__title{font-size:1rem;font-weight:700;color:var(--color-text,#1a1a2e);margin-bottom:16px}.brief-send-form__row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}@media (max-width:500px){.brief-send-form__row{grid-template-columns:1fr}}.brief-send-form__rgpd{font-size:0.78rem;color:var(--color-text-muted,#6c757d);margin-top:12px;line-height:1.5}.brief-send-form__rgpd a{color:var(--color-primary,#004a5d)}.btn-send-submit{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;background:var(--color-primary,#004a5d);color:#fff;border:none;border-radius:10px;font-size:0.95rem;font-weight:700;cursor:pointer;transition:all 0.2s ease;font-family:inherit;margin-top:16px;width:100%}.btn-send-submit:hover{background:var(--color-primary-dark,#003845)}.btn-send-submit:disabled{opacity:0.6;cursor:not-allowed}.brief-confirm{display:none;text-align:center;padding:20px 0}.brief-confirm.visible{display:block;animation:fadeInStep 0.4s ease}.brief-confirm__icon{font-size:2.5rem;color:var(--color-success,#28a745);margin-bottom:12px}.brief-confirm__title{font-size:1.2rem;font-weight:700;color:var(--color-text,#1a1a2e);margin-bottom:8px}.brief-confirm__text{color:var(--color-text-muted,#6c757d);font-size:0.9rem;line-height:1.6}.brief-trust{display:flex;gap:20px;margin-top:32px;padding:20px 24px;background:rgba(0,74,93,0.04);border-radius:12px;flex-wrap:wrap}.brief-trust__item{display:flex;align-items:center;gap:8px;font-size:0.82rem;color:var(--color-text-muted,#6c757d)}.brief-trust__item i{color:var(--color-primary,#004a5d)}.brief-how{padding:60px 0;background:#fff}.brief-how__steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px}@media (max-width:768px){.brief-how__steps{grid-template-columns:1fr;gap:20px}}.brief-how__step{text-align:center;padding:24px}.brief-how__step-icon{width:56px;height:56px;background:rgba(0,74,93,0.08);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--color-primary,#004a5d);font-size:1.4rem;margin:0 auto 20px}.brief-how__step-title{font-size:1rem;font-weight:700;color:var(--color-text,#1a1a2e);margin-bottom:8px}.brief-how__step-text{font-size:0.88rem;color:var(--color-text-muted,#6c757d);line-height:1.6}.brief-cta{padding:60px 0;background:var(--color-bg-light,#f8f9fa);text-align:center}.brief-cta__title{font-size:1.6rem;font-weight:700;color:var(--color-primary,#004a5d);margin-bottom:12px}.brief-cta__text{color:var(--color-text-muted,#6c757d);margin-bottom:28px;font-size:1rem}.brief-cta__actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.brief-cta .btn--outline-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:#fff;color:var(--color-primary,#004a5d);border:2px solid var(--color-primary,#004a5d);border-radius:10px;font-weight:600;text-decoration:none;transition:all 0.2s ease}.brief-cta .btn--outline-primary:hover{background:var(--color-primary,#004a5d);color:#fff;transform:translateY(-2px);box-shadow:0 6px 15px rgba(0,74,93,0.25)}.brief-noscript{background:#fff3cd;border:1px solid #ffc107;border-radius:12px;color:#664d03;font-family:system-ui,-apple-system,sans-serif;line-height:1.6;margin:20px auto;max-width:720px;padding:20px 24px;text-align:center}.brief-noscript__titre{display:block;font-size:1.05rem;margin-bottom:8px}.brief-noscript__texte{font-size:0.95rem}.brief-noscript a{color:#664d03}.section-header--centre{text-align:center}