:root {
    --primary: #1e40af;
    --primary-light: #eff6ff;
    --primary-border: #93c5fd;
    --success: #16a34a;
    --success-light: #f0fdf4;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --text: #1f2937;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --bg: #f9fafb;
}

html, body { font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif; color: var(--text); background: var(--bg); margin: 0 !important; padding: 0 !important; }

.container-form { max-width: 1100px; margin: 0 auto; padding: .5rem 1rem; }
.container-form > h1:first-child, .container-form > .dedup-check-bar:first-child, .container-form > h1 + .dedup-check-bar { margin-block-start: 0; }
.dedup-check-bar h6 { margin-block-start: 0; margin-top: 0; }

form { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 1.2rem 1.5rem; box-shadow: 0 1px 3px rgba(0,0,0,.06); }

/* Dedup check banner */
.dedup-check-bar { background: var(--primary-light); border: 1px solid var(--primary-border); border-radius: 10px; padding: 1rem 1.2rem; margin-bottom: 1.2rem; }
.dedup-check-bar h6 { font-size: .82rem; font-weight: 700; color: var(--primary); margin-bottom: .6rem; }
.dedup-check-bar .input-group { max-width: 400px; }
.dedup-check-bar input { font-size: .82rem; border-radius: 6px 0 0 6px; border: 1px solid var(--primary-border); }
.dedup-check-bar button { font-size: .78rem; border-radius: 0 6px 6px 0; }
#dedup_result { font-size: .78rem; margin-top: .4rem; font-weight: 600; }

/* Sections */
.form_section { margin-bottom: .8rem; border-left: 3px solid var(--primary); padding-left: .8rem; }
.form_section h2 { font-size: .78rem; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: .04em; margin-bottom: .5rem; padding: .25rem .5rem; background: var(--primary-light); border-radius: 4px; margin-left: -.8rem; }
.form-sections-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
@media (max-width: 768px) { .form-sections-grid { grid-template-columns: 1fr; } }

/* Labels */
label { font-size: .78rem; font-weight: 600; color: var(--text); display: block; margin-bottom: .1rem; padding-top: 2px; }
.star_required { color: var(--danger); }
.expert { font-weight: 400; font-size: .75rem; color: var(--text-muted); line-height: 1.3; }

/* Inputs */
form input[type="text"], form input[type="email"], form input[type="tel"], form textarea, form select {
    width: 100%; height: auto; padding: .35rem .6rem; font-size: .8rem; border: 1px solid var(--border); border-radius: 6px; color: var(--text); background: #fff; transition: border-color .2s, box-shadow .2s; box-sizing: border-box; margin-bottom: .1rem; text-indent: 0;
}
form input:focus, form select:focus, form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,64,175,.1); outline: none; }
form textarea { min-height: 50px; resize: vertical; }
form select { cursor: pointer; appearance: auto; -webkit-appearance: auto; -moz-appearance: auto; background-image: none; color: var(--text); }

/* Checkbox */
input[type="checkbox"] { width: 18px; height: 18px; -webkit-appearance: checkbox; border-radius: 3px; cursor: pointer; margin: 0; }

/* Rows */
.row { margin-bottom: .2rem; }
.row.g-3 { --bs-gutter-y: .4rem; --bs-gutter-x: .8rem; }

/* Validation */
.invalid { border-color: var(--danger) !important; }
.invalid-message-input, .invalid-message-select { display: none; font-size: .72rem; color: var(--danger); margin-top: .1rem; }
.invalid-message-show, .invalid-select-message-show { display: block; font-size: .72rem; color: var(--danger); }
.invalid-select { border-color: var(--danger) !important; }
.valid-select { border-color: var(--success); background-color: var(--success-light); }

/* Buttons */
.btn-submit { width: 100%; padding: .7rem; font-size: .95rem; font-weight: 700; border-radius: 8px; border: none; cursor: pointer; transition: all .2s; }
.btn-submit-primary { background: var(--primary); color: #fff; }
.btn-submit-primary:hover { background: #1e3a8a; }

/* End page */
.endText { text-align: center; padding: 1.5rem 0; }
.endText p { font-size: 1rem; font-weight: 600; color: var(--text); }
.endBtn { display: inline-block; padding: .6rem 2rem; font-size: .9rem; font-weight: 600; color: #fff; background: var(--primary); border: none; border-radius: 8px; cursor: pointer; text-decoration: none; transition: background .2s; }
.endBtn:hover { background: #1e3a8a; }

/* Tabs (steps) */
.tab { display: none; }
.step-tab { height: 8px; width: 60px; margin: 0 4px; display: inline-block; background: var(--border); border-radius: 4px; opacity: .5; }
.step-tab.active { opacity: 1; background: var(--primary); }
.step-tab.finish { background: var(--success); opacity: 1; }

/* CGU */
#cgu_form { clear: both; text-align: justify; font-size: .7rem; line-height: 1.3; color: var(--text-muted); margin-top: .8rem; }

/* Responsive */
@media (max-width: 576px) {
    .container-form { padding: .8rem .5rem; }
    form { padding: 1.2rem; }
    .form_section h2 { font-size: .8rem; }
}