/* ── Diagnostic page (diagnostic.html) — styles spécifiques ─────────────
   Réutilise les tokens et couleurs déjà définis dans main.css
   (--blue-primary, --blue-dark, --gray-text, --white, --gray-border).
   Ne redéfinit que ce qui est propre à cette page. */

.commencer-page {
    background: linear-gradient(180deg, #fff 0%, #f6fbff 100%);
    padding: 50px 0 72px;
    position: relative;
    overflow: hidden;
    flex: 1;
}
.commencer-page::before {
    content: "";
    position: absolute;
    right: -120px;
    top: -150px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    border: 36px solid rgba(10,125,235,.08);
    pointer-events: none;
}
.commencer-page::after {
    content: "";
    position: absolute;
    left: -150px;
    bottom: -190px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    border: 44px solid rgba(10,125,235,.06);
    pointer-events: none;
}

/* Hero layout */
.commencer-hero {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 76px;
    align-items: start;
    margin-bottom: 48px;
}

/* Headings */
.commencer-h1 {
    font-family: var(--font-title);
    color: var(--blue-dark);
    font-weight: 700;
    font-size: clamp(38px, 5vw, 58px);
    line-height: 1.2;
    margin: 0 0 20px;
}
.commencer-h1 .highlight { color: var(--blue-primary); }

.commencer-lead {
    font-size: 17px;
    line-height: 1.6;
    color: var(--blue-dark);
    margin: 0 0 12px;
}
.commencer-sublead {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-text);
    margin: 0 0 24px;
}

/* CTA area */
.commencer-actions {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin: 28px 0 34px;
}
.commencer-reassurance {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    color: var(--blue-dark);
    font-size: 13px;
    font-weight: 500;
}
.commencer-reassurance span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.commencer-reassurance i {
    font-size: 12px;
    color: var(--blue-primary);
}
.commencer-reassurance span:not(:last-child) {
    padding-right: 14px;
    border-right: 1px solid #DCEBFA;
}

/* Proof cards */
.commencer-proofs {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}
.commencer-proof {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,.72);
    border: 1px solid #DCEBFA;
    border-radius: 18px;
    padding: 16px 20px;
    box-shadow: 0 8px 24px rgba(7,27,73,.025);
}
.commencer-proof-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: rgba(16, 124, 225, 0.10);
    color: var(--blue-primary);
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    font-size: 17px;
}
.commencer-proof strong {
    display: block;
    color: var(--blue-dark);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 3px;
}
.commencer-proof span {
    display: block;
    color: var(--gray-text);
    font-size: 14px;
    line-height: 1.45;
}

/* Side card */
.commencer-side-card {
    background: rgba(255,255,255,.88);
    border: 1px solid #DCEBFA;
    border-radius: 26px;
    box-shadow: 0 20px 60px rgba(7,27,73,.07);
    padding: 38px 40px;
    margin-top: 80px;
}
.commencer-lock-icon {
    width: 64px;
    height: 64px;
    border-radius: 22px;
    background: var(--white);
    display: grid;
    place-items: center;
    color: var(--blue-primary);
    font-size: 26px;
    box-shadow: 0 14px 38px rgba(10,125,235,.10);
    margin-bottom: 28px;
}
.commencer-side-card h2 {
    font-family: var(--font-title);
    color: var(--blue-dark);
    font-size: 26px;
    line-height: 1.2;
    letter-spacing: -.03em;
    margin: 0 0 18px;
    font-weight: 700;
}
.commencer-side-card p {
    margin: 0;
    color: var(--gray-text);
    font-size: 15px;
    line-height: 1.7;
}
.commencer-mini-list {
    display: grid;
    gap: 0;
    margin-top: 24px;
}
.commencer-mini-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px 0;
    border-top: 1px solid #DCEBFA;
}
.commencer-mini-item:last-child { padding-bottom: 0; }
.commencer-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--blue-primary);
    color: white;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    font-size: 11px;
    margin-top: 1px;
}
.commencer-mini-item strong {
    display: block;
    color: var(--blue-dark);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}
.commencer-mini-item span {
    display: block;
    color: var(--gray-text);
    font-size: 14px;
    line-height: 1.5;
}

/* Steps section */
.commencer-steps {
    background: rgba(255,255,255,.72);
    border: 1px solid #DCEBFA;
    border-radius: 28px;
    padding: 30px 34px 34px;
    box-shadow: 0 22px 70px rgba(7,27,73,.055);
}
.commencer-steps-kicker {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: var(--blue-primary);
    margin-bottom: 20px;
}
.commencer-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    align-items: start;
}
.commencer-step {
    position: relative;
    text-align: center;
    padding: 12px 12px 0;
}
.commencer-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 52px;
    right: -36px;
    width: 60px;
    border-top: 2px dashed #BEDAF6;
}
.commencer-step-num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(16, 124, 225, 0.10);
    color: var(--blue-primary);
    font-size: 13px;
    font-weight: 700;
    display: grid;
    place-items: center;
    margin: 0 auto 14px;
}
.commencer-step-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(16, 124, 225, 0.10);
    display: grid;
    place-items: center;
    margin: 0 auto 14px;
    color: var(--blue-primary);
    font-size: 24px;
    border: 1px solid #D9EBFD;
}
.commencer-step h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--blue-dark);
    margin: 0 0 7px;
}
.commencer-step p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--gray-text);
    margin: 0;
}

/* Small note */
.commencer-small-note {
    margin-top: 20px;
    padding: 14px 18px;
    border-radius: 16px;
    background: linear-gradient(90deg, rgba(238,246,255,.92), rgba(255,255,255,.72));
    color: var(--gray-text);
    font-size: 14px;
    line-height: 1.5;
    text-align: center;
}
.commencer-small-note strong { color: var(--blue-dark); }

/* Responsive */
@media (max-width: 980px) {
    .commencer-hero { grid-template-columns: 1fr; gap: 30px; }
    .commencer-side-card { margin-top: 0; }
    .commencer-steps-grid { grid-template-columns: 1fr 1fr; }
    .commencer-step:not(:last-child)::after { display: none; }
}
@media (max-width: 640px) {
    .commencer-h1 { font-size: 36px; }
    .commencer-side-card { padding: 26px; }
    .commencer-steps { padding: 22px; }
    .commencer-steps-grid { grid-template-columns: 1fr; }
    .commencer-actions { flex-direction: column; align-items: flex-start; }
    .commencer-reassurance span:not(:last-child) { border-right: 0; padding-right: 0; }
    .btn-primary.btn-large { width: 100%; justify-content: center; }
}