/* 
   ================================================================
   HELVETIC ASSIST — PREMIUM DESIGN LAYER (WAOUH EFFECT)
   ================================================================
   Ce fichier injecte les effets de profondeur, de typographie 
   et d'animations haut de gamme sur l'ensemble du site.
*/

:root {
    --fluid-h1: clamp(2.8rem, 8vw + 1rem, 6.5rem);
    --fluid-h2: clamp(2rem, 5vw + 1rem, 3.8rem);
    --premium-shadow: 0 20px 40px -10px rgba(26, 46, 59, 0.08);
    --premium-glass: rgba(255, 255, 255, 0.75);
    --premium-blur: blur(12px) saturate(160%);
}

/* --- 1. PROFONDEUR & TEXTURE --- */
body {
    position: relative;
    background-color: var(--ivory) !important;
}

body::after {
    content: "";
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: 
        radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--brass) 10%, transparent) 0%, transparent 40%),
        radial-gradient(circle at 0% 100%, color-mix(in srgb, var(--pine) 5%, transparent) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
    opacity: 0.6;
}

/* --- 2. TYPOGRAPHIE ÉDITORIALE --- */
h1, .claim {
    font-size: var(--fluid-h1) !important;
    letter-spacing: -0.04em !important;
    line-height: 0.95 !important;
    font-weight: 700 !important;
}

h2 {
    font-size: var(--fluid-h2) !important;
    letter-spacing: -0.03em !important;
    line-height: 1.1 !important;
}

/* --- 3. GLASSMORPHISM 2.0 --- */
nav.top, .nav-sticky {
    background: var(--premium-glass) !important;
    backdrop-filter: var(--premium-blur) !important;
    -webkit-backdrop-filter: var(--premium-blur) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3) !important;
}

.section-head {
    position: relative;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--brass);
    backdrop-filter: blur(8px);
    margin-bottom: 4rem !important;
    display: grid !important;
    grid-template-columns: 1.2fr 1fr !important; /* Rééquilibrage : Titre légèrement plus large que le texte */
    gap: 60px !important;
    align-items: center !important; /* Centrage vertical parfait */
}

/* Nouvelles règles pour améliorer la lisibilité dans les sections foncées */
.band .section-head, .section--dark .section-head {
    background: rgba(255, 255, 255, 0.05) !important;
    border-left-color: var(--brass) !important;
    backdrop-filter: blur(12px) !important;
}

.band .section-head .label, .section--dark .section-head .label {
    color: var(--brass) !important;
    letter-spacing: 0.3em !important;
}

.band .section-head h2, .section--dark .section-head h2,
.band .section-head p, .section--dark .section-head p {
    color: var(--ivory) !important;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* --- 7. HEADER LOGO OVERRIDE --- */
.brand, .brand a, .brand img {
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

@media (max-width: 820px) {
    .section-head {
        grid-template-columns: 1fr !important;
        padding: 1.5rem;
        gap: 20px !important;
    }
}

.section-head .display {
    text-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

/* --- FORMULAIRE / ELIG CARD PREMIUM --- */
#formulaire, .elig-section {
    position: relative;
    padding: 100px 0;
    background: radial-gradient(circle at center, color-mix(in srgb, var(--brass) 5%, transparent), transparent 70%);
}

.elig {
    border: 1px solid rgba(200, 168, 75, 0.3) !important;
    background: linear-gradient(135deg, #ffffff 0%, #fcfaf5 100%) !important;
}

.elig::before {
    border-top: 6px solid var(--brass) !important;
    box-shadow: 0 4px 12px rgba(200, 168, 75, 0.2);
}

.field input:focus, .field select:focus {
    border-color: var(--brass) !important;
    box-shadow: 0 0 0 4px rgba(200, 168, 75, 0.15) !important;
}

.elig .res-val {
    color: var(--brass-2) !important;
    text-shadow: 0 4px 10px rgba(176, 142, 54, 0.1);
}

.elig, .card, .flow, .form-container {
    background: var(--premium-glass) !important;
    backdrop-filter: var(--premium-blur) !important;
    -webkit-backdrop-filter: var(--premium-blur) !important;
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    box-shadow: var(--premium-shadow) !important;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease !important;
}

.elig:hover, .card:hover {
    transform: translateY(-8px) scale(1.01) !important;
    box-shadow: 0 30px 60px -12px rgba(26, 46, 59, 0.12) !important;
}

/* --- 4. BOUTONS PREMIUM --- */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1) !important;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 13px !important;
}

.btn:hover {
    transform: scale(1.03) translateY(-2px) !important;
    filter: brightness(1.1);
}

.btn::after {
    content: "";
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    opacity: 0; transition: opacity 0.4s;
    pointer-events: none;
}

.btn:hover::after { opacity: 1; }

/* --- 5. SYSTÈME DE RÉVÉLATION --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- 6. SLIDER MODERNISÉ --- */
input[type="range"] {
    height: 8px !important;
}

input[type="range"]::-webkit-slider-thumb {
    width: 28px !important;
    height: 28px !important;
    background: var(--brass) !important;
    box-shadow: 0 0 0 6px rgba(200, 168, 75, 0.2) !important;
}