/* ==========================================================================
   PERFORMANCES — premium refonte (tâche 6.4)
   Charte Deep Navy + Electric Teal. Variables uniquement, zéro hex hardcodé.
   ========================================================================== */


/* ============================== HERO ============================== */
.perf-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(5rem, 11vw, 8rem) var(--space-4) var(--rhythm-block);
    background:
        radial-gradient(ellipse at 80% 20%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 55%),
        radial-gradient(ellipse at 10% 90%, color-mix(in srgb, var(--primary-soft) 55%, transparent), transparent 60%),
        linear-gradient(180deg, var(--primary) 0%, var(--primary-soft) 120%);
    color: var(--gray-200);
}
.perf-hero__inner {
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
}

.perf-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 var(--space-5);
}
.perf-hero__dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent);
}

.perf-hero__title {
    font-family: var(--font-display);
    font-size: var(--fs-display);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 var(--space-5);
    color: var(--white);
}
.perf-hero__title em {
    font-style: italic;
    background: linear-gradient(135deg, var(--gray-400) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.perf-hero__lead {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.6;
    color: var(--gray-400);
    margin: 0 auto var(--space-10);
    max-width: 720px;
}
.perf-hero__lead strong {
    color: var(--white);
    font-weight: 600;
}
.perf-hero__lead a {
    color: var(--accent-hover);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}
.perf-hero__lead abbr {
    text-decoration: none;
    border-bottom: 1px dotted color-mix(in srgb, var(--gray-400) 50%, transparent);
    cursor: help;
}

/* KPIs glass card 4 cellules */
.perf-hero__kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    max-width: 820px;
    margin: 0 auto var(--space-8);
    padding: var(--space-6);
    border: 1px solid color-mix(in srgb, var(--white) 12%, transparent);
    border-radius: var(--radius-xl);
    background: color-mix(in srgb, var(--white) 4%, transparent);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
}
.perf-kpi {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    text-align: center;
}
.perf-kpi dt {
    order: 2;
    margin: 0;
    font-size: var(--fs-caption);
    color: var(--gray-400);
    letter-spacing: 0.04em;
}
.perf-kpi dd {
    order: 1;
    margin: 0;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}
.perf-kpi .num {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
}
.perf-kpi .unit {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    color: var(--gray-400);
}
.perf-kpi--accent .num {
    color: var(--accent-hover);
    text-shadow: 0 0 24px color-mix(in srgb, var(--accent) 40%, transparent);
}

/* Actions */
.perf-hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin: 0 0 var(--space-8);
}

/* Source line */
.perf-hero__source {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-caption);
    color: var(--gray-400);
    margin: 0;
}
.perf-hero__source svg {
    color: var(--accent);
    flex-shrink: 0;
}

@media (max-width: 720px) {
    .perf-hero__kpis {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
        padding: var(--space-4);
    }
    .perf-hero__actions .btn {
        width: 100%;
        justify-content: center;
    }
}


/* ============================== SECTIONS GÉNÉRIQUES ============================== */
.perf-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--rhythm-section) var(--space-4);
}
.perf-section__head {
    text-align: center;
    margin-bottom: var(--rhythm-block);
}
.perf-section__num {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    color: var(--accent-deep);
    letter-spacing: 0.14em;
    margin: 0 0 var(--space-2);
}
[data-theme="dark"] .perf-section__num {
    color: var(--accent);
}
.perf-section__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin: 0 0 var(--space-3);
}
.perf-section__sub {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto;
}


/* ============================== BENTO VUE D'ENSEMBLE ============================== */
.perf-bento {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-4);
}
.perf-cell {
    grid-column: span 2;
    padding: var(--space-6);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: border-color var(--transition-fast),
                transform var(--transition-fast),
                box-shadow var(--transition-fast);
}
.perf-cell--lg {
    grid-column: span 3;
}
.perf-cell--accent {
    background: color-mix(in srgb, var(--accent) 6%, var(--bg-surface));
    border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
}
.perf-cell:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}
.perf-cell__label {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 var(--space-3);
}
.perf-cell__num {
    font-family: var(--font-mono);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--accent-deep);
    line-height: 1.1;
    margin: 0 0 var(--space-2);
}
[data-theme="dark"] .perf-cell__num {
    color: var(--accent);
}
.perf-cell--lg .perf-cell__num {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
}
.perf-cell__note {
    font-size: var(--fs-caption);
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 900px) {
    .perf-bento { grid-template-columns: repeat(2, 1fr); }
    .perf-cell,
    .perf-cell--lg { grid-column: span 1; }
}
@media (max-width: 480px) {
    .perf-bento { grid-template-columns: 1fr; }
}


/* ============================== ÉTUDES DE CAS ============================== */
.perf-cases {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}
.perf-case {
    padding: var(--space-8);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    transition: border-color var(--transition-fast),
                transform var(--transition-fast),
                box-shadow var(--transition-fast);
}
.perf-case:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
    box-shadow: var(--shadow-lg);
}
.perf-case__head {
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--border);
}
.perf-case__sector {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-deep);
    margin: 0 0 var(--space-2);
}
[data-theme="dark"] .perf-case__sector {
    color: var(--accent);
}
.perf-case__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
    letter-spacing: -0.01em;
}
.perf-case__role {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    color: var(--text-muted);
    margin: 0;
}
.perf-case__mission {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin: 0 0 var(--space-5);
}
.perf-case__actions {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.perf-case__actions li {
    position: relative;
    padding-left: var(--space-5);
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--text-secondary);
}
.perf-case__actions li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 12px;
    height: 1px;
    background: var(--accent);
}

/* Top mots-clés (Médéré uniquement) */
.perf-case__keywords {
    margin: var(--space-5) 0;
    padding: var(--space-4);
    background: color-mix(in srgb, var(--accent) 5%, var(--bg-elevated));
    border-radius: var(--radius-lg);
    border: 1px dashed color-mix(in srgb, var(--accent) 25%, transparent);
}
.perf-case__keywords-label {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-deep);
    margin: 0 0 var(--space-3);
}
[data-theme="dark"] .perf-case__keywords-label {
    color: var(--accent);
}
.perf-case__keywords-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.perf-case__keywords-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.9375rem;
}
.perf-case__keywords-list .kw {
    color: var(--text-primary);
    font-style: italic;
}
.perf-case__keywords-list .pos {
    font-family: var(--font-mono);
    font-weight: 600;
    /* Pastille pleine : texte blanc sur fond --accent-deep (#007A63) = 5.3:1 AA */
    color: #FFFFFF;
    padding: 0.15rem 0.6rem;
    background: var(--accent-deep);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
}
[data-theme="dark"] .perf-case__keywords-list .pos {
    /* Sombre : texte navy profond sur teal vif = ~10:1 AA */
    color: var(--primary-dark);
    background: var(--accent);
}

/* KPIs grid dans chaque étude de cas */
.perf-case__kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin: 0 0 var(--space-5);
    padding: var(--space-4);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.perf-case__kpi {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}
.perf-case__kpi .num {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-deep);
    line-height: 1;
}
[data-theme="dark"] .perf-case__kpi .num {
    color: var(--accent);
}
.perf-case__kpi .lbl {
    font-size: var(--fs-caption);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Pills stack */
.perf-case__pills,
.perf-pills {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}
.perf-case__pills li,
.perf-pills li {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent-deep);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast), border-color var(--transition-fast);
}
.perf-case__pills li:hover,
.perf-pills li:hover {
    background: color-mix(in srgb, var(--accent) 18%, transparent);
    border-color: var(--accent);
}
[data-theme="dark"] .perf-case__pills li,
[data-theme="dark"] .perf-pills li {
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}

@media (max-width: 900px) {
    .perf-cases { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .perf-case { padding: var(--space-5); }
    .perf-case__kpis { grid-template-columns: repeat(2, 1fr); }
}


/* ============================== AVANT / APRÈS ============================== */
.perf-ba {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 880px;
    margin: 0 auto;
}
.perf-ba__row {
    padding: var(--space-6);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
}
.perf-ba__metric {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-4);
}
.perf-ba__bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.perf-ba__bar {
    position: relative;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
    width: var(--w, 100%);
    min-width: 120px;
    transform-origin: left center;
    animation: perf-bar-grow 1.2s ease-out both;
}
.perf-ba__bar--before {
    background: color-mix(in srgb, var(--text-muted) 18%, transparent);
    color: var(--text-secondary);
}
.perf-ba__bar--after {
    background: linear-gradient(90deg,
        color-mix(in srgb, var(--accent) 25%, transparent) 0%,
        color-mix(in srgb, var(--accent) 55%, transparent) 100%);
    color: var(--text-primary);
    border-left: 3px solid var(--accent);
}
.perf-ba__label {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.perf-ba__value {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
}
.perf-ba__delta {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    color: var(--accent-deep);
    margin: var(--space-4) 0 0;
    text-align: right;
}
[data-theme="dark"] .perf-ba__delta {
    color: var(--accent);
}
@keyframes perf-bar-grow {
    from { transform: scaleX(0); opacity: 0; }
    to { transform: scaleX(1); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
    .perf-ba__bar {
        animation: none;
    }
}


/* ============================== STACK & MÉTHODOLOGIE ============================== */
.perf-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 1040px;
    margin: 0 auto;
}
.perf-stack__col {
    padding: var(--space-5);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.perf-stack__col:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}
.perf-stack__title {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 var(--space-4);
}
@media (max-width: 720px) {
    .perf-stack { grid-template-columns: 1fr; }
}


/* ============================== MINI-FAQ PERFORMANCES ============================== */
.perf-section--faq .perf-faq {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.perf-faq__item {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast);
    overflow: hidden;
}
.perf-faq__item[open] {
    border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.perf-faq__q {
    cursor: pointer;
    list-style: none;
    padding: var(--space-4) var(--space-5);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    position: relative;
}
.perf-faq__q::-webkit-details-marker {
    display: none;
}
.perf-faq__q::after {
    content: "+";
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--accent-deep);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    line-height: 1;
}
[data-theme="dark"] .perf-faq__q::after {
    color: var(--accent);
}
.perf-faq__item[open] .perf-faq__q::after {
    transform: rotate(45deg);
}
.perf-faq__a {
    padding: 0 var(--space-5) var(--space-5);
    border-top: 1px solid var(--border);
}
.perf-faq__a p {
    margin: var(--space-3) 0 0;
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--text-secondary);
}
.perf-faq__a strong {
    color: var(--text-primary);
    font-weight: 600;
}
.perf-faq__a a {
    color: var(--accent-deep);
    text-decoration: underline;
    text-underline-offset: 2px;
}
[data-theme="dark"] .perf-faq__a a {
    color: var(--accent);
}


/* ============================== CTA FINAL ============================== */
.perf-cta {
    margin-top: var(--rhythm-section);
    padding: clamp(4rem, 9vw, 6rem) var(--space-4);
    background:
        radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%),
        linear-gradient(180deg, var(--primary-soft) 0%, var(--primary) 100%);
    color: var(--gray-200);
    text-align: center;
}
.perf-cta__inner {
    max-width: 720px;
    margin: 0 auto;
}
.perf-cta__eyebrow {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 var(--space-4);
}
.perf-cta__title {
    font-family: var(--font-display);
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    font-weight: 500;
    line-height: 1.15;
    color: var(--white);
    margin: 0 0 var(--space-4);
}
.perf-cta__title em {
    font-style: italic;
    background: linear-gradient(135deg, var(--gray-400) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.perf-cta__lead {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--gray-400);
    line-height: 1.6;
    margin: 0 auto var(--space-8);
    max-width: 560px;
}
.perf-cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
}
.perf-cta .btn--secondary {
    background: color-mix(in srgb, var(--white) 6%, transparent);
    border-color: color-mix(in srgb, var(--white) 22%, transparent);
    color: var(--white);
}
.perf-cta .btn--secondary:hover {
    background: color-mix(in srgb, var(--white) 10%, transparent);
    border-color: var(--accent);
    color: var(--accent);
}
@media (max-width: 640px) {
    .perf-cta__actions .btn {
        width: 100%;
        justify-content: center;
    }
}


/* ============================== AJUSTEMENTS BANNIÈRE AUDIT ============================== */
.perf-cta + .seo-banner {
    margin-top: 0;
}