/* =========================================================
   DigiHealth Solutions — MODERN DESIGN LAYER 2026
   Couche d'amelioration visuelle (surcharge style.css)
   Glassmorphism · ombres colorees · degrades mesh · micro-interactions
   ========================================================= */

/* ---------------------------------------------------------
   1. TOKENS — affinage du systeme de design
   --------------------------------------------------------- */
:root {
    /* Degrades enrichis */
    --grad-primary: linear-gradient(135deg, #2A9D8F 0%, #3AB4A6 55%, #4DC9B0 100%);
    --grad-mesh: radial-gradient(60% 60% at 15% 10%, rgba(42,157,143,0.18) 0%, transparent 60%),
                 radial-gradient(50% 50% at 90% 20%, rgba(58,180,166,0.14) 0%, transparent 55%),
                 radial-gradient(55% 55% at 50% 100%, rgba(29,53,87,0.10) 0%, transparent 60%);
    --grad-aurora: conic-gradient(from 180deg at 50% 50%, #2A9D8F, #1D3557, #3AB4A6, #2A9D8F);

    /* Ombres en couches, teintees */
    --sh-soft: 0 1px 2px rgba(16,24,40,0.04), 0 4px 12px rgba(16,24,40,0.06);
    --sh-card: 0 1px 3px rgba(16,24,40,0.05), 0 8px 24px -6px rgba(16,24,40,0.10);
    --sh-card-hover: 0 2px 6px rgba(16,24,40,0.06), 0 24px 48px -12px rgba(42,157,143,0.22);
    --sh-float: 0 20px 50px -12px rgba(29,53,87,0.30);
    --sh-glow: 0 0 0 1px rgba(42,157,143,0.10), 0 12px 32px -8px rgba(42,157,143,0.28);

    /* Rayons plus genereux */
    --r-card: 22px;
    --r-pill: 50px;

    /* Transition ressort */
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------------------------------------------------------
   2. TYPOGRAPHIE — hierarchie affinee
   --------------------------------------------------------- */
.section-title {
    letter-spacing: -0.02em;
    line-height: 1.12;
}
.hero-title {
    letter-spacing: -0.03em;
}
.section-subtitle {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

/* Tag de section — pilule moderne avec bordure douce */
.section-tag {
    background: rgba(42,157,143,0.08);
    border: 1px solid rgba(42,157,143,0.18);
    padding: 7px 18px;
    letter-spacing: 1.2px;
    font-size: 12.5px;
    position: relative;
}
.section-tag::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    margin-right: 9px;
    vertical-align: middle;
    box-shadow: 0 0 0 3px rgba(42,157,143,0.18);
}

/* Trait degrade sous le titre de section */
.section-header .section-title::after {
    content: '';
    display: block;
    width: 64px;
    height: 4px;
    margin: 22px auto 0;
    border-radius: 4px;
    background: var(--grad-primary);
}

/* ---------------------------------------------------------
   3. NAVBAR — glassmorphism premium
   --------------------------------------------------------- */
.navbar.scrolled {
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(22px) saturate(180%);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
    border-bottom: 1px solid rgba(16,24,40,0.06);
    box-shadow: 0 4px 24px -8px rgba(16,24,40,0.12);
}
.nav-link {
    position: relative;
    font-weight: 600;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease-smooth);
}
.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}
.nav-link.nav-cta {
    background: var(--grad-primary);
    color: #fff !important;
    border-radius: var(--r-pill);
    padding-left: 22px !important;
    padding-right: 22px !important;
    box-shadow: 0 6px 18px -4px rgba(42,157,143,0.45);
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}
.nav-link.nav-cta::after { display: none; }
.nav-link.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px -6px rgba(42,157,143,0.55);
}

/* ---------------------------------------------------------
   4. HERO — fond mesh + grille + visuel glass
   --------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, #16243f 0%, #0e1a31 45%, #112340 100%);
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-mesh);
    pointer-events: none;
    z-index: 1;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 0%, transparent 75%);
    pointer-events: none;
    z-index: 1;
}

/* Barre de confiance — verre fume */
.hero-trust-bar {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--r-pill);
    padding: 8px 16px;
    display: inline-flex;
    width: fit-content;
}
.htb-item i { color: var(--primary-light); }

.hero-badge {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Titre hero — degrade anime */
.hero-title .text-gradient {
    background: linear-gradient(110deg, #3AB4A6, #6FE3D2, #2A9D8F, #4DC9B0);
    background-size: 220% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shineText 6s linear infinite;
}
@keyframes shineText {
    to { background-position: 220% center; }
}

/* Boutons CTA hero — depth + shine */
.cta4-btn {
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease, background 0.3s ease;
    position: relative;
    overflow: hidden;
}
.cta4-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -120%;
    width: 60%;
    height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,0.35), transparent);
    transform: skewX(-18deg);
    transition: left 0.6s var(--ease-smooth);
}
.cta4-btn:hover {
    transform: translateY(-3px);
}
.cta4-btn:hover::after { left: 130%; }
.cta4-partner:hover { box-shadow: 0 12px 28px -8px rgba(42,157,143,0.55); }
.cta4-donate:hover  { box-shadow: 0 12px 28px -8px rgba(231,111,81,0.55); }

/* Visuel hero — cadre verre + halo */
.hero-image-container {
    border-radius: var(--r-card);
    box-shadow: var(--sh-float), 0 0 0 1px rgba(255,255,255,0.08);
    position: relative;
}
.hero-image-container::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, rgba(58,180,166,0.6), transparent 50%, rgba(255,255,255,0.15));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 3;
}
.hero-img-badge {
    background: rgba(255,255,255,0.16);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,0.25);
    font-weight: 600;
}

/* ---------------------------------------------------------
   5. RYTHME DES SECTIONS — fonds alternes subtils
   --------------------------------------------------------- */
.about { background: #fff; }
.services {
    background:
        radial-gradient(70% 50% at 100% 0%, rgba(42,157,143,0.05) 0%, transparent 60%),
        var(--gray-50);
}
.health-domains { background: #fff; }
.prevention {
    background:
        radial-gradient(60% 50% at 0% 100%, rgba(29,53,87,0.05) 0%, transparent 60%),
        var(--gray-50);
}
.partners { background: #fff; }
.produits {
    background:
        radial-gradient(70% 60% at 50% 0%, rgba(42,157,143,0.06) 0%, transparent 65%),
        var(--gray-50);
}
.actualites { background: #fff; }
.trust-section {
    background:
        radial-gradient(60% 50% at 100% 100%, rgba(42,157,143,0.05) 0%, transparent 60%),
        var(--gray-50);
}
.governance { background: #fff; }

/* ---------------------------------------------------------
   6. SYSTEME DE CARTES — bordure degrade + lift + glow
   --------------------------------------------------------- */
.service-card,
.why-card,
.partner-card,
.domain-card,
.prevention-card,
.actu-card,
.trust-card {
    border-radius: var(--r-card);
    box-shadow: var(--sh-card);
    transition: transform 0.4s var(--ease-smooth),
                box-shadow 0.4s var(--ease-smooth),
                border-color 0.4s ease;
}
.service-card:hover,
.why-card:hover,
.partner-card:hover,
.actu-card:hover,
.trust-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--sh-card-hover);
    border-color: rgba(42,157,143,0.30);
}
.domain-card:hover,
.prevention-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-card-hover);
}

/* Icones de carte — pastille degrade qui s'illumine */
.service-icon,
.why-icon,
.partner-icon,
.prevention-icon,
.value-icon {
    background: linear-gradient(135deg, rgba(42,157,143,0.14), rgba(58,180,166,0.08));
    border: 1px solid rgba(42,157,143,0.16);
    transition: var(--transition);
}
.service-card:hover .service-icon,
.why-card:hover .why-icon,
.partner-card:hover .partner-icon {
    background: var(--grad-primary);
    border-color: transparent;
    box-shadow: 0 8px 20px -6px rgba(42,157,143,0.5);
    transform: scale(1.06) rotate(-3deg);
}
.service-card:hover .service-icon i,
.why-card:hover .why-icon i,
.partner-card:hover .partner-icon i {
    color: #fff;
}

/* Domaines — overlay degrade + zoom doux + libelle epure */
.domain-card { border: 1px solid var(--gray-200); }
.domain-img-wrap { position: relative; }
.domain-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(29,53,87,0.45) 0%, transparent 45%);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.domain-card:hover .domain-img-wrap::after { opacity: 1; }
.domain-card:hover .domain-img-wrap img { transform: scale(1.08); }
.domain-card h3 {
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Badges numerotes (prevention / services) */
.prev-img-badge {
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    font-weight: 800;
}

/* ---------------------------------------------------------
   7. BOUTONS — profondeur + reflet
   --------------------------------------------------------- */
.btn {
    border-radius: var(--r-pill);
    letter-spacing: 0.01em;
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease, background 0.3s ease;
}
.btn-primary {
    background: var(--grad-primary);
    box-shadow: 0 8px 24px -6px rgba(42,157,143,0.45);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px -8px rgba(42,157,143,0.55);
}
.btn-white:hover { transform: translateY(-3px); }

/* ---------------------------------------------------------
   8. VALEURS / GOUVERNANCE — cartes affinees
   --------------------------------------------------------- */
.value-item {
    transition: transform 0.35s var(--ease-smooth);
}
.value-item:hover { transform: translateX(4px); }

.team-card,
.exec-card {
    border-radius: 18px;
    transition: transform 0.4s var(--ease-smooth), box-shadow 0.4s ease, border-color 0.3s ease;
}
.team-card:hover,
.exec-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-glow);
    border-color: rgba(42,157,143,0.30);
}
.team-avatar-role,
.president-avatar {
    transition: transform 0.4s var(--ease-spring);
}
.team-card:hover .team-avatar-role {
    transform: scale(1.08) rotate(-4deg);
}

/* Cadre legal — accent degrade */
.legal-frame {
    border-radius: var(--r-card);
    border-left: 4px solid transparent;
    border-image: var(--grad-primary) 1;
    background: linear-gradient(135deg, rgba(42,157,143,0.05), rgba(29,53,87,0.03));
}

/* ---------------------------------------------------------
   9. ECOSYSTEME / FUNDER — logos verre
   --------------------------------------------------------- */
.funder-logo {
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}
.funder-logo:hover {
    transform: translateY(-4px) scale(1.04);
    box-shadow: var(--sh-soft);
}

/* ---------------------------------------------------------
   10. ACTUALITES — filtres modernes
   --------------------------------------------------------- */
.actu-filter {
    border-radius: var(--r-pill);
    transition: all 0.3s var(--ease-smooth);
}
.actu-filter.active {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 6px 16px -4px rgba(42,157,143,0.45);
}
.actu-badge { backdrop-filter: blur(4px); }

/* ---------------------------------------------------------
   11. CONTACT & FORMULAIRE — inputs modernes
   --------------------------------------------------------- */
.contact-form input,
.contact-form select,
.contact-form textarea {
    border-radius: 12px;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(42,157,143,0.12);
    outline: none;
}
.contact-icon {
    transition: transform 0.3s var(--ease-spring);
}
.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(-5deg);
}
.social-link {
    transition: transform 0.3s var(--ease-spring), background 0.3s ease;
}
.social-link:hover {
    transform: translateY(-4px);
    background: var(--grad-primary);
}

/* ---------------------------------------------------------
   12. PRODUIT — fenetre app premium
   --------------------------------------------------------- */
.produit-card {
    border-radius: var(--r-card);
    box-shadow: var(--sh-card);
}
.produit-screen {
    box-shadow: var(--sh-float);
    border-radius: 16px;
}
.ptag,
.produit-spec {
    transition: transform 0.25s var(--ease-spring);
}
.ptag:hover { transform: translateY(-2px); }
.produit-dl-note {
    margin-top: 0.85rem;
    font-size: 0.8rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1.5;
}
.produit-dl-note::before {
    content: '\f019';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary);
    font-size: 0.78rem;
}

.coming-card {
    border-radius: 14px;
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}
.coming-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-soft);
}

/* ---------------------------------------------------------
   13. BANNIERES IMAGES — overlay raffine
   --------------------------------------------------------- */
.image-banner img,
.why-visual-banner img {
    transition: transform 8s ease;
}
.image-banner:hover img,
.why-visual-banner:hover img {
    transform: scale(1.06);
}

/* ---------------------------------------------------------
   14. SCROLLBAR + SELECTION
   --------------------------------------------------------- */
::selection {
    background: rgba(42,157,143,0.22);
    color: var(--secondary);
}
@media (min-width: 769px) {
    ::-webkit-scrollbar { width: 12px; }
    ::-webkit-scrollbar-track { background: var(--gray-50); }
    ::-webkit-scrollbar-thumb {
        background: linear-gradient(var(--primary), var(--primary-dark));
        border-radius: 10px;
        border: 3px solid var(--gray-50);
    }
    ::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }
}

/* ---------------------------------------------------------
   15. BACK-TO-TOP — flottant moderne
   --------------------------------------------------------- */
#back-to-top {
    box-shadow: 0 8px 24px -6px rgba(42,157,143,0.5);
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}
#back-to-top:hover {
    transform: translateY(-4px) scale(1.05);
}

/* ---------------------------------------------------------
   16. ACCESSIBILITE — reduction des animations
   --------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

/* ---------------------------------------------------------
   17. RAFFINEMENTS RESPONSIVE
   --------------------------------------------------------- */
@media (max-width: 768px) {
    .section-header .section-title::after { margin-top: 18px; }
    .hero::after { background-size: 40px 40px; }
    .hero-trust-bar { width: 100%; justify-content: center; }
}