/* ============================================================
   SECTEUR AÉRONAUTIQUE
   ============================================================ */

/* ============================================================
   HERO — Entrée séquentielle
   ============================================================ */
.hero-enfants-breadcrumb {
    opacity: 0;
    transform: translateY(1rem);
    animation: aero-fadeUp 0.6s ease-out 0.15s forwards;
}

.hero-enfants-title {
    opacity: 0;
    transform: translateY(1.5rem);
    animation: aero-fadeUp 0.8s ease-out 0.35s forwards;
}

.hero-enfants-subtitle {
    opacity: 0;
    transform: translateY(1.25rem);
    animation: aero-fadeUp 0.7s ease-out 0.6s forwards;
}

.hero-enfants-inner::after {
    opacity: 0;
    transform: scaleX(0);
    transform-origin: left;
    animation: aero-lineGrow 0.5s ease-out 0.9s forwards;
}

@keyframes aero-fadeUp {
    from { opacity: 0; transform: translateY(1.5rem); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes aero-lineGrow {
    from { opacity: 0; transform: scaleX(0); }
    to { opacity: 1; transform: scaleX(1); }
}

/* ============================================================
   COMPOSANTS RÉUTILISABLES
   ============================================================ */

/* Split — 2 colonnes texte + aside */
.aero-split {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 4rem;
    align-items: start;
}

.aero-split-text p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.aero-split-text p:last-child {
    margin-bottom: 0;
}

.aero-split-text strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* Aside — Fond blanc, bord gauche */
.aero-split-aside {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 0.5rem 0.5rem 0;
    padding: 1.75rem 1.5rem;
}

.aero-split-aside h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-dark);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

/* Liste à puces arrow */
.aero-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.aero-list li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.7;
}

.aero-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Callout — Encadré bord gauche bleu */
.aero-callout {
    padding: 1.25rem 1.75rem;
    background: rgba(5, 64, 242, 0.02);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 0.5rem 0.5rem 0;
    margin-top: 2rem;
}

.aero-callout p {
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
}

.aero-callout strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* Aside note */
.aero-aside-note {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    font-style: italic;
    margin-bottom: 0;
}

.aero-aside-note strong {
    color: var(--color-primary);
    font-weight: 700;
    font-style: normal;
}

/* ============================================================
   KPI — Lignes label/value dans l'aside
   ============================================================ */
.aero-kpi {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.625rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    gap: 0.75rem;
}

.aero-kpi:last-of-type {
    border-bottom: none;
}

.aero-kpi-label {
    font-size: 0.75rem;
    color: var(--color-text-light);
    flex-shrink: 0;
}

.aero-kpi-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-dark);
    text-align: right;
}

/* ============================================================
   MÉTAL — Texte + 2 colonnes dl
   ============================================================ */
.aero-metal-text {
    margin-bottom: 2rem;
}

.aero-metal-text p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
    margin: 0;
}

.aero-metal-text strong {
    color: var(--color-primary);
    font-weight: 700;
}

.aero-metal-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.aero-metal-col {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 0.5rem;
    padding: 1.75rem 1.5rem;
}

.aero-metal-col h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.625rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

/* dl spec rows */
.aero-dl {
    margin: 0;
}

.aero-dl div {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    gap: 0.5rem;
}

.aero-dl div:last-child {
    border-bottom: none;
}

.aero-dl dt {
    font-family: 'Kanit', sans-serif;
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--color-dark);
}

.aero-dl dd {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin: 0;
    text-align: right;
}

/* ============================================================
   FLEXIBILITÉ — 3 blocs numérotés
   ============================================================ */
.aero-flex-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.aero-flex-block {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 0.5rem;
    padding: 2rem 1.5rem;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.aero-flex-block:hover {
    box-shadow: 0 0.5rem 1.5rem rgba(5, 64, 242, 0.06);
    transform: translateY(-2px);
}

.aero-flex-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.aero-flex-num {
    font-family: 'Kanit', sans-serif;
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
    transition: opacity 0.3s ease;
}

.aero-flex-block:hover .aero-flex-num {
    opacity: 0.6;
}

.aero-flex-header h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.0625rem;
    font-weight: 400;
    color: var(--color-dark);
    margin: 0;
}

.aero-flex-block ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.aero-flex-block ul li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.65;
}

.aero-flex-block ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* ============================================================
   CAS D'APPLICATION — 3 lignes numérotées
   ============================================================ */
.aero-cases {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.aero-case {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.aero-case:first-child {
    padding-top: 0;
}

.aero-case:last-child {
    border-bottom: none;
}

.aero-case:hover {
    transform: translateX(6px);
}

.aero-case-num {
    flex-shrink: 0;
    font-family: 'Kanit', sans-serif;
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary);
    opacity: 0.25;
    line-height: 1.2;
    padding-top: 0.1rem;
    transition: opacity 0.3s ease;
}

.aero-case:hover .aero-case-num {
    opacity: 0.5;
}

.aero-case-content h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.0625rem;
    font-weight: 400;
    color: var(--color-dark);
    margin-bottom: 0.375rem;
}

.aero-case-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
}

/* ============================================================
   POURQUOI — Check list dans l'aside
   ============================================================ */
.aero-why-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.aero-why-list li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.6;
}

.aero-why-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.8125rem;
}

/* ============================================================
   ANIMATIONS — Scroll transitions
   ============================================================ */
.section-header {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.section-header.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Split — Texte slide left, aside slide right */
.aero-split-text {
    opacity: 0;
    transform: translateX(-2rem);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.aero-split-text.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.aero-split-aside {
    opacity: 0;
    transform: translateX(2rem);
    transition: opacity 0.8s ease-out 0.15s, transform 0.8s ease-out 0.15s;
}

.aero-split-aside.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* KPIs stagger */
.aero-kpi {
    opacity: 0;
    transform: translateY(0.75rem);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.aero-kpi.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.aero-kpi:nth-child(2) { transition-delay: 0.1s; }
.aero-kpi:nth-child(3) { transition-delay: 0.2s; }

/* Metal */
.aero-metal-text {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.aero-metal-text.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.aero-metal-col {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.aero-metal-col.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.aero-metal-col:nth-child(2) { transition-delay: 0.15s; }

.aero-callout {
    opacity: 0;
    transform: translateY(1rem);
    transition: opacity 0.6s ease-out 0.2s, transform 0.6s ease-out 0.2s;
}

.aero-callout.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Flex blocks stagger */
.aero-flex-block {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.aero-flex-block.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.aero-flex-block:nth-child(2) { transition-delay: 0.15s; }
.aero-flex-block:nth-child(3) { transition-delay: 0.3s; }

/* Cases stagger */
.aero-case {
    opacity: 0;
    transform: translateX(2rem);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.aero-case.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.aero-case:nth-child(2) { transition-delay: 0.15s; }
.aero-case:nth-child(3) { transition-delay: 0.3s; }

/* FAQ */
.faq-item {
    opacity: 0;
    transform: translateY(1.25rem);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.faq-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.faq-item:nth-child(2) { transition-delay: 0.1s; }
.faq-item:nth-child(3) { transition-delay: 0.2s; }
.faq-item:nth-child(4) { transition-delay: 0.3s; }

/* CTA */
.cta {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.cta.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 64rem) {
    .aero-split {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .aero-metal-cols {
        grid-template-columns: 1fr;
    }

    .aero-flex-blocks {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 48rem) {
    .aero-split-aside {
        padding: 1.5rem 1.25rem;
    }

    .aero-metal-col {
        padding: 1.5rem 1.25rem;
    }

    .aero-flex-block {
        padding: 1.5rem 1.25rem;
    }

    .aero-case {
        gap: 1rem;
    }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .hero-enfants-breadcrumb,
    .hero-enfants-title,
    .hero-enfants-subtitle,
    .hero-enfants-inner::after,
    .section-header,
    .aero-split-text,
    .aero-split-aside,
    .aero-kpi,
    .aero-metal-text,
    .aero-metal-col,
    .aero-callout,
    .aero-flex-block,
    .aero-case,
    .faq-item,
    .cta {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
        animation: none !important;
    }
}