/* ============================================================
   css/pages/about.css — v3
   Styles COMMUNS à toutes les sous-pages about/
   Même architecture que contact.css :
     - Hero gradient via --gradient-hero
     - Variables CSS uniquement, 7 thèmes supportés
     - Animations propres (fade-in, slide, pop)
   ============================================================ */

/* ══════════════════════════════════════════════════════════════
   HERO ABOUT — gradient comme le hero de contact
══════════════════════════════════════════════════════════════ */
.about-hero {
    padding: calc(var(--navbar-height, 70px) + 60px) 0 60px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 85%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 15%, rgba(255,255,255,0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
    animation: heroFloat 20s ease-in-out infinite;
    pointer-events: none;
}

.about-hero-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 1;
}

.about-hero .section-tag {
    display: inline-block;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.35);
    color: white;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 6px 18px;
    border-radius: 30px;
    margin-bottom: 18px;
    backdrop-filter: blur(8px);
}

.about-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.about-hero p {
    font-size: 1.08rem;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    line-height: 1.75;
}

/* ══════════════════════════════════════════════════════════════
   BODY WRAPPER
══════════════════════════════════════════════════════════════ */
.about-body {
    max-width: 960px;
    margin: 0 auto;
    padding: 60px var(--space-lg) var(--space-2xl);
}

/* ══════════════════════════════════════════════════════════════
   SECTION HEADER (tag + titre)
══════════════════════════════════════════════════════════════ */
.about-section-header {
    margin-bottom: var(--space-lg);
}

.about-section-header .section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-primary);
    background: rgba(102,126,234,0.08);
    border: 1px solid rgba(102,126,234,0.2);
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.about-section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.3px;
}

/* ══════════════════════════════════════════════════════════════
   INTRO CARD
══════════════════════════════════════════════════════════════ */
.about-intro {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: 1.5rem 2rem;
    margin-bottom: var(--space-xl);
    font-size: 1.02rem;
    color: var(--text-secondary);
    line-height: 1.8;
    box-shadow: var(--shadow);
}

.about-intro strong { color: var(--text-primary); }

/* ══════════════════════════════════════════════════════════════
   VISION CARDS (page propos)
══════════════════════════════════════════════════════════════ */
.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.vision-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.vision-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

.vision-card:hover { transform: translateY(-6px); border-color: var(--border-hover); box-shadow: var(--shadow-hover); }
.vision-card:hover::before { transform: scaleX(1); }

.vision-icon {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    display: block;
    line-height: 1;
    transition: transform 0.3s ease;
}

.vision-card:hover .vision-icon { transform: scale(1.15) rotate(-5deg); }

.vision-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.vision-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ══════════════════════════════════════════════════════════════
   QUOTE
══════════════════════════════════════════════════════════════ */
.about-quote {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem 3rem;
    text-align: center;
    margin-top: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.about-quote::before {
    content: '"';
    position: absolute;
    top: -20px; left: 24px;
    font-size: 8rem;
    font-family: var(--font-heading);
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.12;
    line-height: 1;
    pointer-events: none;
}

.about-quote blockquote {
    font-family: var(--font-heading);
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 1rem;
}

.about-quote cite {
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-style: normal;
    font-family: var(--font-mono);
}

/* ══════════════════════════════════════════════════════════════
   TIMELINE VERTICALE (cursus & sport)
══════════════════════════════════════════════════════════════ */
.about-timeline {
    position: relative;
    padding-left: 2px;
    margin-bottom: var(--space-xl);
}

.about-timeline::before {
    content: '';
    position: absolute;
    left: 16px; top: 0; bottom: 0;
    width: 3px;
    background: var(--gradient-main);
    border-radius: 2px;
    opacity: 0.3;
}

.at-item {
    position: relative;
    padding-left: 56px;
    margin-bottom: var(--space-xl);
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.at-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.at-dot {
    position: absolute;
    left: 6px; top: 4px;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    box-shadow: 0 0 0 4px rgba(102,126,234,0.1), var(--shadow);
    transition: var(--transition);
    z-index: 1;
}

.at-item:hover .at-dot {
    transform: scale(1.25);
    box-shadow: 0 0 0 7px rgba(102,126,234,0.16), var(--shadow-hover);
}

.at-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.at-card::before {
    content: '';
    position: absolute;
    left: -8px; top: 14px;
    width: 0; height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 8px solid var(--border-color);
}

.at-card::after {
    content: '';
    position: absolute;
    left: -6px; top: 14px;
    width: 0; height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 8px solid var(--bg-card);
}

.at-item:hover .at-card {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
    transform: translateX(4px);
}

.at-year {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

.at-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.at-sub {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
    opacity: 0.85;
}

.at-body {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ══════════════════════════════════════════════════════════════
   LANGUES — Cards + barres de progression
══════════════════════════════════════════════════════════════ */
.lang-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.lang-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.4s ease, transform 0.4s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.lang-card.visible { opacity: 1; transform: scale(1); }

.lang-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px) scale(1) !important;
}

.lang-flag { font-size: 2rem; margin-bottom: 0.75rem; display: block; }

.lang-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
}

.lang-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.lang-pct {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    flex-shrink: 0;
    min-width: 42px;
    text-align: right;
}

.lang-bar-bg {
    width: 100%;
    height: 6px;
    background: var(--bg-surface);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 8px;
}

.lang-bar-fill {
    height: 100%;
    background: var(--bar-color, var(--color-primary));
    border-radius: 3px;
    width: 0%;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-level {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ══════════════════════════════════════════════════════════════
   LOISIRS — Grille de cartes icône
══════════════════════════════════════════════════════════════ */
.loisirs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
}

.loisir-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    cursor: default;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.4s ease, transform 0.4s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.loisir-card.visible { opacity: 1; transform: scale(1); }

.loisir-card::after {
    content: '';
    position: absolute; inset: 0;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.loisir-card:hover {
    transform: translateY(-8px) scale(1) !important;
    box-shadow: var(--shadow-hover);
    border-color: var(--border-hover);
}

.loisir-card:hover::after { opacity: 0.04; }

.loisir-icon {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    display: block;
    line-height: 1;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.loisir-card:hover .loisir-icon { transform: scale(1.25) rotate(-8deg); }

.loisir-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.loisir-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ══════════════════════════════════════════════════════════════
   SPORT CARD PRINCIPALE
══════════════════════════════════════════════════════════════ */
.sport-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl, 20px);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    margin-bottom: var(--space-xl);
}

.sport-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, #10B981, #059669, #34D399);
}

.sport-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-hover); }

.sport-icon-big {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: block;
    line-height: 1;
    animation: bounceSport 2.5s ease-in-out infinite;
}

@keyframes bounceSport {
    0%, 100% { transform: translateY(0); }
    45%       { transform: translateY(-10px); }
    55%       { transform: translateY(-7px); }
}

.sport-card h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.sport-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 0.75rem;
}

.sport-card strong { color: var(--text-primary); }

.stack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: var(--space-md);
}

.stack-tag {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--color-primary);
    border-radius: 20px;
    transition: var(--transition);
}

.stack-tag:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ══════════════════════════════════════════════════════════════
   GALERIE PHOTOS
══════════════════════════════════════════════════════════════ */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.photo-grid img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: zoom-in;
    display: block;
}

.photo-grid img:hover {
    transform: scale(1.05) translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-hover);
    z-index: 2;
    position: relative;
}

/* ══════════════════════════════════════════════════════════════
   PERMIS / CERTIFICATS
══════════════════════════════════════════════════════════════ */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: zoom-in;
}

.cert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--border-hover); }

.cert-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; display: block; }

.cert-label {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    font-family: var(--font-mono);
    border-top: 1px solid var(--border-color);
}

/* ══════════════════════════════════════════════════════════════
   BADGES
══════════════════════════════════════════════════════════════ */
.badge { display: inline-block; font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 12px; letter-spacing: 0.3px; text-transform: uppercase; }
.badge-primary { background: rgba(102,126,234,0.14); color: #667eea; border: 1px solid rgba(102,126,234,0.28); }
.badge-green   { background: rgba(16,185,129,0.12);  color: #10B981; border: 1px solid rgba(16,185,129,0.28); }
.badge-purple  { background: rgba(139,92,246,0.12);  color: #8B5CF6; border: 1px solid rgba(139,92,246,0.28); }
.badge-amber   { background: rgba(245,158,11,0.12);  color: #F59E0B; border: 1px solid rgba(245,158,11,0.28); }
.badge-orange  { background: rgba(249,115,22,0.12);  color: #F97316; border: 1px solid rgba(249,115,22,0.28); }
.badge-red     { background: rgba(239,68,68,0.12);   color: #EF4444; border: 1px solid rgba(239,68,68,0.28); }

/* ══════════════════════════════════════════════════════════════
   ANIMATIONS STAGGER (override propre about)
══════════════════════════════════════════════════════════════ */
.about-body .stagger-1 { transition-delay: 0.05s !important; }
.about-body .stagger-2 { transition-delay: 0.12s !important; }
.about-body .stagger-3 { transition-delay: 0.19s !important; }
.about-body .stagger-4 { transition-delay: 0.26s !important; }
.about-body .stagger-5 { transition-delay: 0.33s !important; }
.about-body .stagger-6 { transition-delay: 0.40s !important; }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .about-hero { padding-top: calc(var(--navbar-height, 70px) + 2.5rem); padding-bottom: 2.5rem; }
    .about-hero h1 { font-size: 2rem; }
    .about-body { padding-top: 40px; }
    .vision-grid  { grid-template-columns: 1fr; }
    .lang-grid    { grid-template-columns: 1fr 1fr; }
    .loisirs-grid { grid-template-columns: 1fr 1fr; }
    .photo-grid   { grid-template-columns: repeat(2, 1fr); }
    .cert-grid    { grid-template-columns: repeat(2, 1fr); }
    .about-quote  { padding: 2rem 1.5rem; }
    .sport-card   { padding: 1.75rem 1.25rem; }
    .at-item      { padding-left: 44px; }
    .at-card::before, .at-card::after { display: none; }
}

@media (max-width: 480px) {
    .lang-grid    { grid-template-columns: 1fr; }
    .loisirs-grid { grid-template-columns: 1fr; }
    .cert-grid    { grid-template-columns: 1fr; }
    .photo-grid   { grid-template-columns: repeat(2, 1fr); }
    .about-body   { padding-left: 1rem; padding-right: 1rem; }
    .about-hero-inner { padding: 0 1rem; }
}