/* ============================================================
   La route d'un développeur — page narrative + organigramme
   Design system aware : tokens uniquement (--text, --accent,
   --line, --glass-bg, etc.). Aucun hex hardcodé.
   ============================================================ */

.la-route-page { position: relative; z-index: 1; }

/* ===== Hero ===== */
.lr-hero-title {
    font-size: clamp(44px, 7vw, 96px);
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 1.02;
    margin: 24px 0 0;
    text-wrap: balance;
    max-width: 1000px;
}
.lr-hero-em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: color-mix(in oklab, var(--accent) 92%, white);
    letter-spacing: -0.02em;
}
.lr-hero-lede {
    max-width: 680px;
    margin-top: 36px;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-soft);
}
.lr-hero-lede p { margin: 0 0 14px; }
.lr-hero-lede p:last-child { margin-bottom: 0; }
.lr-hero-lede strong { color: var(--text); font-weight: 600; }

/* Lien inline dans le lede — visible d'office (couleur accent + soulignement permanent)
   au lieu du `link-u` du design system qui ne s'affiche qu'au hover. */
.lr-link-inline {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid color-mix(in oklab, var(--accent) 45%, transparent);
    padding-bottom: 1px;
    transition: border-color 240ms ease, color 240ms ease;
}
.lr-link-inline:hover {
    color: color-mix(in oklab, var(--accent) 88%, white);
    border-bottom-color: var(--accent);
}
.lr-link-inline:focus-visible {
    outline: none;
    border-radius: 2px;
    box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 35%, transparent);
}
.lr-hero-hint {
    margin-top: 24px !important;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.lr-hint-icon {
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 14px;
    animation: lrHintBounce 1.6s ease-in-out infinite;
}
@keyframes lrHintBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}
@media (prefers-reduced-motion: reduce) {
    .lr-hint-icon { animation: none; }
}

/* ===== Organigramme ===== */
.lr-flow {
    max-width: 920px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lr-flow-head {
    text-align: center;
    margin-bottom: 40px;
}
.lr-flow-head .section-eyebrow {
    justify-content: center;
}
.lr-flow-head .section-kicker {
    margin-left: auto;
    margin-right: auto;
    max-width: 480px;
}

/* Tronc commun — pile centrée */
.lr-trunk {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 380px;
}

/* Connecteur vertical entre 2 noeuds */
.lr-vline {
    width: 1px;
    height: 32px;
    margin: 6px auto;
    background: linear-gradient(to bottom, transparent 0%, var(--line-strong) 30%, var(--line-strong) 70%, transparent 100%);
    flex-shrink: 0;
}
.lr-vline--long {
    height: 48px;
}

/* Noeud de base */
.lr-node {
    position: relative;
    padding: 18px 22px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid var(--glass-border);
    border-radius: 14px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    column-gap: 16px;
    align-items: center;
    transition: transform 280ms ease, border-color 280ms ease, background 280ms ease;
}
.lr-node:hover {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    background: var(--glass-bg-strong);
}
.lr-node-num {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 6px 10px;
    border: 0.5px solid color-mix(in oklab, var(--accent) 30%, transparent);
    border-radius: 999px;
    background: color-mix(in oklab, var(--accent) 10%, transparent);
    white-space: nowrap;
    min-width: 52px;
    text-align: center;
}
.lr-node-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}
.lr-node-name {
    font-size: 17px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text);
}
.lr-node-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* Variante expandable : card cliquable avec détail dépliable */
.lr-node--expandable {
    cursor: pointer;
    user-select: none;
    outline: none;
}
.lr-node--expandable:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 35%, transparent);
}

.lr-node-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgb(var(--tint) / 0.05);
    border: 0.5px solid var(--line);
    color: var(--text-dim);
    transition: transform 320ms cubic-bezier(0.5, 0, 0.5, 1), color 280ms ease, background 280ms ease;
}
.lr-node--expandable:hover .lr-node-chevron {
    color: var(--accent);
    background: color-mix(in oklab, var(--accent) 10%, transparent);
}
.lr-node--expandable[aria-expanded="true"] .lr-node-chevron {
    transform: rotate(90deg);
    color: var(--accent);
    background: color-mix(in oklab, var(--accent) 14%, transparent);
}

/* Détail dépliable — grid trick pour anim height: auto */
.lr-node-detail {
    grid-column: 1 / -1;
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 360ms cubic-bezier(0.5, 0, 0.5, 1), margin-top 240ms ease;
    margin-top: 0;
}
.lr-node-detail > .lr-node-detail-inner {
    min-height: 0;
    overflow: hidden;
}
.lr-node--expandable[aria-expanded="true"] .lr-node-detail {
    grid-template-rows: 1fr;
    margin-top: 16px;
}
.lr-node-detail-inner {
    padding-top: 16px;
    border-top: 0.5px solid var(--line);
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-soft);
}
.lr-node-detail-inner p {
    margin: 0 0 10px;
}
.lr-node-detail-inner p:last-child {
    margin-bottom: 0;
}
.lr-node-detail-inner p strong {
    color: var(--text);
    font-weight: 600;
}

/* Bifurcation */
.lr-bifurc {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    color: var(--text-dim);
}
.lr-bifurc-card {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 32px;
    background: color-mix(in oklab, var(--accent) 12%, transparent);
    border: 0.5px solid color-mix(in oklab, var(--accent) 35%, transparent);
    border-radius: 999px;
    box-shadow: 0 0 32px color-mix(in oklab, var(--accent) 15%, transparent);
}
.lr-bifurc-eyebrow {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--accent) 90%, white);
}
.lr-bifurc-title {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: -0.005em;
    color: var(--text);
}
.lr-bifurc-svg {
    width: 100%;
    max-width: 320px;
    height: 80px;
    color: var(--accent);
    margin-top: 4px;
}

/* Deux voies — Frontend / Backend */
.lr-paths {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 4vw, 56px);
    width: 100%;
    margin-top: 8px;
}
.lr-path {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-width: 0;
}
.lr-path-head {
    text-align: center;
    margin-bottom: 18px;
    padding: 18px 14px;
    border-bottom: 0.5px solid var(--line);
}
.lr-path-eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 6px;
}
.lr-path-title {
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.015em;
    margin: 0 0 6px;
    color: var(--text);
}
.lr-path-kicker {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.5;
    margin: 0;
}

/* Variante "accent" — pour distinguer un choix préféré (ex: Symfony) */
.lr-node--accent {
    background: color-mix(in oklab, var(--accent) 6%, var(--glass-bg));
    border-color: color-mix(in oklab, var(--accent) 30%, var(--glass-border));
}
.lr-node--accent:hover {
    background: color-mix(in oklab, var(--accent) 10%, var(--glass-bg-strong));
    border-color: color-mix(in oklab, var(--accent) 45%, var(--line-strong));
}

/* ===== Choix de stack (toggle PHP / Node.js dans voie B) ===== */
.lr-stack-choice {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 4px 0 18px;
}
.lr-voie-switch {
    display: inline-flex;
    padding: 4px;
    border: 0.5px solid var(--line);
    border-radius: 999px;
    background: rgb(var(--tint) / 0.035);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.lr-voie-switch button {
    padding: 8px 18px;
    border: none;
    background: transparent;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    cursor: pointer;
    transition: background 240ms ease, color 240ms ease;
}
.lr-voie-switch button:hover {
    color: var(--text);
}
.lr-voie-switch button[aria-pressed="true"] {
    background: rgb(var(--tint) / 0.08);
    color: var(--text);
}
.lr-voie-switch button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 35%, transparent);
}

/* Affichage exclusif des chemins selon data-active-path / data-path
   Pattern générique : un chemin n'est visible que si son data-path matche
   le data-active-path du parent. Utilisé par PHP/Node.js et React/Vue.js
   et Symfony/Laravel. */
.lr-voie-path {
    display: none;
    flex-direction: column;
    animation: lrFadeIn 320ms ease;
}
[data-active-path="php"]     > .lr-voie-path[data-path="php"],
[data-active-path="node"]    > .lr-voie-path[data-path="node"],
[data-active-path="react"]   > .lr-voie-path[data-path="react"],
[data-active-path="vue"]     > .lr-voie-path[data-path="vue"],
[data-active-path="symfony"] > .lr-voie-path[data-path="symfony"],
[data-active-path="laravel"] > .lr-voie-path[data-path="laravel"] {
    display: flex;
}
@keyframes lrFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .lr-voie-path { animation: none; }
}

/* Eyebrow réutilisé par les toggles (.lr-stack-choice) */
.lr-subchoice-eyebrow {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--accent) 90%, white);
}

/* ===== Note personnelle — pattern glass-block (cohérent avec /product-builder) ===== */
.lr-glass-block {
    max-width: 720px;
    margin: 0 auto;
    padding: clamp(32px, 4vw, 56px) clamp(28px, 4vw, 48px);
    border-radius: 22px;
    background: var(--glass-bg);
    border: 0.5px solid var(--glass-border);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.lr-eyebrow-wrap {
    margin-bottom: 18px;
}
.lr-note-title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: 0 0 24px;
    color: var(--text);
}
.lr-note-quote {
    margin: 0;
    padding: 22px 26px;
    border-left: 2px solid var(--accent);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 22px;
    line-height: 1.5;
    color: var(--text);
    background: rgb(var(--tint) / 0.025);
    border-radius: 0 14px 14px 0;
}
.lr-note-quote em {
    font-style: italic;
    color: color-mix(in oklab, var(--accent) 90%, white);
}
.lr-note-conclusion {
    margin: 24px 0 0;
    font-size: 17px;
    color: var(--text-soft);
    line-height: 1.6;
}
.lr-note-conclusion strong {
    color: var(--text);
    font-weight: 600;
}

/* ===== CTA ===== pattern "Le workflow au complet" de /product-builder */
.lr-cta {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 48px 32px;
    border: 0.5px solid var(--glass-border);
    border-radius: 20px;
    background:
        radial-gradient(120% 140% at 50% 0%, color-mix(in oklab, var(--accent) 14%, transparent), transparent 60%),
        var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.lr-cta-title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 500;
    letter-spacing: -0.02em;
    margin: 14px 0 12px;
    color: var(--text);
}
.lr-cta-text {
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.65;
    max-width: 540px;
    margin: 0 auto 14px;
    text-wrap: pretty;
}
.lr-cta-text:last-of-type {
    margin-bottom: 0;
}
.lr-cta-btn {
    margin-top: 28px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 46px;
    padding: 0 22px;
    border-radius: 999px;
    border: 0.5px solid var(--accent);
    background: color-mix(in oklab, var(--accent) 10%, transparent);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: all 240ms ease;
}
.lr-cta-btn:hover {
    background: color-mix(in oklab, var(--accent) 18%, transparent);
    transform: translateY(-1px);
}
.lr-cta-btn-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
    animation: lrCtaPulse 2.4s ease-in-out infinite;
}
@keyframes lrCtaPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(0.85); }
}
@media (prefers-reduced-motion: reduce) {
    .lr-cta-btn-dot { animation: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
    .lr-trunk { max-width: 100%; }

    /* Les 2 voies passent en pile verticale */
    .lr-paths {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* Bifurcation principale : SVG moins large pour ne pas dévorer l'écran */
    .lr-bifurc-svg { max-width: 220px; height: 60px; }

    .lr-note-quote {
        font-size: 19px;
        padding: 22px 24px;
    }
}

@media (max-width: 560px) {
    .lr-node {
        padding: 16px 18px;
        column-gap: 12px;
    }
    .lr-node-num {
        font-size: 10px;
        min-width: 44px;
        padding: 4px 8px;
    }
    .lr-node-name { font-size: 15px; }
    .lr-node-tag { font-size: 9px; }

    .lr-cta { padding: 40px 20px; }
}