/* ============================================================
   UI Design — panorama profils + concepts
   Design system aware : tokens uniquement (--text, --accent,
   --line, --glass-bg, --tint…). Aucun hex hardcodé.
   ============================================================ */

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

/* ============================================================
   Hero
   ============================================================ */
.ui-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;
}
.ui-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;
}
.ui-hero-lede {
    max-width: 680px;
    margin-top: 36px;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-soft);
}
.ui-hero-lede p { margin: 0 0 14px; }
.ui-hero-lede p:last-child { margin-bottom: 0; }
.ui-hero-lede strong { color: var(--text); font-weight: 600; }

/* Lien inline dans le lede — accent + soulignement permanent */
.ui-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;
}
.ui-link-inline:hover {
    color: color-mix(in oklab, var(--accent) 88%, white);
    border-bottom-color: var(--accent);
}
.ui-link-inline:focus-visible {
    outline: none;
    border-radius: 2px;
    box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 35%, transparent);
}

.ui-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;
}
.ui-hint-icon {
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 14px;
    animation: uiHintBounce 1.6s ease-in-out infinite;
}
@keyframes uiHintBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}
@media (prefers-reduced-motion: reduce) {
    .ui-hint-icon { animation: none; }
}

/* ============================================================
   Note personnelle — pattern glass block
   ============================================================ */
.ui-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%);
}
.ui-eyebrow-wrap {
    margin-bottom: 18px;
}
.ui-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);
}
.ui-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;
}
.ui-note-quote em {
    font-style: italic;
    color: color-mix(in oklab, var(--accent) 90%, white);
}
.ui-note-conclusion {
    margin: 24px 0 0;
    font-size: 17px;
    color: var(--text-soft);
    line-height: 1.6;
}
.ui-note-conclusion strong {
    color: var(--text);
    font-weight: 600;
}

/* ============================================================
   Section head (titre + kicker centrés)
   ============================================================ */
.ui-section-head {
    text-align: center;
    margin-bottom: 40px;
}
.ui-section-head .section-eyebrow {
    justify-content: center;
}
.ui-section-head .section-kicker {
    margin-left: auto;
    margin-right: auto;
    max-width: 560px;
}

/* ============================================================
   3 profils UI — grille 3 colonnes
   ============================================================ */
.ui-profils-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1080px;
    margin: 0 auto;
}
.ui-profil-card {
    background: var(--glass-bg);
    border: 0.5px solid var(--glass-border);
    border-radius: 18px;
    padding: 28px 26px;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: transform 280ms ease, border-color 280ms ease, background 280ms ease;
}
.ui-profil-card:hover {
    transform: translateY(-3px);
    border-color: var(--line-strong);
    background: var(--glass-bg-strong);
}
.ui-profil-header {
    padding-bottom: 16px;
    border-bottom: 0.5px solid var(--line);
}
.ui-profil-nom {
    font-size: 20px;
    font-weight: 500;
    letter-spacing: -0.015em;
    color: var(--text);
    margin: 0 0 4px;
}
.ui-profil-sous-titre {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 15px;
    color: color-mix(in oklab, var(--accent) 88%, white);
    margin: 0;
}
.ui-profil-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.ui-profil-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.ui-profil-list {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-soft);
}

/* ============================================================
   Sections famille (Fondamentaux / Patterns / Principes)
   ============================================================ */
.ui-famille {
    max-width: 1080px;
    margin: 0 auto;
}
.ui-famille-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 32px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 0.5px solid var(--line);
}
.ui-famille-title {
    font-size: clamp(28px, 3.6vw, 44px);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin: 12px 0 8px;
    color: var(--text);
}
.ui-famille-kicker {
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.55;
    margin: 0;
    max-width: 520px;
}
.ui-famille-badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 999px;
    background: color-mix(in oklab, var(--accent) 10%, transparent);
    border: 0.5px solid color-mix(in oklab, var(--accent) 30%, transparent);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-soft);
}
.ui-famille-badge > span {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: -0.01em;
}

/* ============================================================
   Grille des cartes concept
   ============================================================ */
.ui-concepts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* ============================================================
   Carte concept expansible
   ============================================================ */
.ui-concept-card {
    background: var(--glass-bg);
    border: 0.5px solid var(--glass-border);
    border-radius: 14px;
    padding: 20px 22px;
    cursor: pointer;
    user-select: none;
    outline: none;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    transition: transform 240ms ease, border-color 240ms ease, background 240ms ease;
    display: grid;
    grid-template-rows: auto auto;
}
.ui-concept-card:hover {
    transform: translateY(-3px);
    border-color: var(--line-strong);
    background: var(--glass-bg-strong);
}
.ui-concept-card:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 35%, transparent);
}

.ui-concept-header {
    display: grid;
    grid-template-columns: 1fr auto;
    column-gap: 16px;
    align-items: center;
}
.ui-concept-titles {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}
.ui-concept-nom {
    margin: 0;
    font-size: 17px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text);
}
.ui-concept-objectif {
    margin: 0;
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-dim);
}

.ui-concept-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);
    flex-shrink: 0;
    transition: transform 320ms cubic-bezier(0.5, 0, 0.5, 1), color 280ms ease, background 280ms ease;
}
.ui-concept-card:hover .ui-concept-chevron {
    color: var(--accent);
    background: color-mix(in oklab, var(--accent) 10%, transparent);
}
.ui-concept-card.is-open .ui-concept-chevron {
    transform: rotate(90deg);
    color: var(--accent);
    background: color-mix(in oklab, var(--accent) 14%, transparent);
}

/* Corps expansible — grid trick pour anim height: auto */
.ui-concept-body {
    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;
}
.ui-concept-body > .ui-concept-body-inner {
    min-height: 0;
    overflow: hidden;
}
.ui-concept-card.is-open .ui-concept-body {
    grid-template-rows: 1fr;
    margin-top: 16px;
}
.ui-concept-body-inner {
    padding-top: 16px;
    border-top: 0.5px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.ui-concept-body-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.ui-concept-body-inner p {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-soft);
}

/* ============================================================
   CTA / maillage interne — pattern glass block
   ============================================================ */
.ui-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%);
}
.ui-cta-title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 500;
    letter-spacing: -0.02em;
    margin: 14px 0 12px;
    color: var(--text);
}
.ui-cta-text {
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.65;
    max-width: 540px;
    margin: 0 auto 14px;
    text-wrap: pretty;
}
.ui-cta-text:last-of-type {
    margin-bottom: 0;
}
.ui-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;
}
.ui-cta-btn:hover {
    background: color-mix(in oklab, var(--accent) 18%, transparent);
    transform: translateY(-1px);
}
.ui-cta-btn-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
    animation: uiCtaPulse 2.4s ease-in-out infinite;
}
@keyframes uiCtaPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(0.85); }
}
@media (prefers-reduced-motion: reduce) {
    .ui-cta-btn-dot { animation: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
    .ui-profils-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        max-width: 560px;
    }
    .ui-concepts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .ui-famille-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .ui-note-quote {
        font-size: 19px;
        padding: 22px 24px;
    }
}

@media (max-width: 560px) {
    .ui-concept-card {
        padding: 18px 18px;
    }
    .ui-concept-nom { font-size: 16px; }
    .ui-profil-card { padding: 24px 22px; }
    .ui-cta { padding: 40px 20px; }
}