/* MODELE 4 : Soft & Organique (Glassmorphism) - PREMIUM REFINEMENT */

:root {
    --m4-bg: #f0fdfa; /* Softer teal tint */
    --m4-primary: #059669; /* Richer vibrant green/teal */
    --m4-primary-light: #34d399;
    --m4-secondary: #0f172a; /* Soft Navy */
    --m4-accent: #fbbf24; /* Richer Peach/Yellow */
    --m4-text: #334155;
    --m4-text-light: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 12px 40px 0 rgba(16, 185, 129, 0.08); /* slight green tint in shadow */
}

body {
    font-family: 'Inter', sans-serif !important;
    color: var(--m4-text);
    background: radial-gradient(circle at 10% 20%, #e0f2fe 0%, #f0fdfa 45%, #f8fafc 100%);
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Subtle noise overlay */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.02'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: -2;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif !important;
    color: var(--m4-secondary);
    font-weight: 700 !important;
    letter-spacing: -1.5px;
}

/* Header Glassmorphism */
.header-m4 {
    position: fixed;
    top: 25px;
    left: 5vw;
    right: 5vw;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-m4:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.75);
}

.logo-m4 {
    font-family: 'Syne', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--m4-secondary);
    text-decoration: none;
    letter-spacing: 0px;
}
.logo-m4 span { color: var(--m4-primary); }

.nav-m4 { display: flex; gap: 30px; align-items: center;}
.nav-m4 a {
    color: var(--m4-text);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s ease;
    padding: 8px 18px;
    border-radius: 25px;
    font-size: 0.95rem;
}
.nav-m4 a:hover, .nav-m4 a.active {
    background: rgba(5, 150, 105, 0.1);
    color: var(--m4-primary);
}

.btn-m4 {
    background: linear-gradient(135deg, var(--m4-primary-light), var(--m4-primary));
    color: white !important;
    padding: 14px 28px !important;
    border-radius: 30px !important;
    font-weight: 600;
    box-shadow: 0 10px 20px rgba(5, 150, 105, 0.25);
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.2);
}
.btn-m4:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 25px rgba(5, 150, 105, 0.35);
    background: linear-gradient(135deg, #10b981, #047857);
}

/* General Components */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 35px;
    padding: 45px;
    box-shadow: var(--glass-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: "";
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    transition: all 0.6s ease;
}

.glass-panel:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.12);
    border-color: rgba(255, 255, 255, 1);
}

.glass-panel:hover::before {
    left: 200%;
}


.footer-m4 {
    margin: 100px 5vw 30px 5vw;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: 40px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}
.footer-m4:hover {
    background: rgba(255, 255, 255, 0.75);
}
.footer-m4 .logo-m4 { font-size: 1.6rem; }
.footer-links-m4 { display: flex; gap: 30px;}
.footer-links-m4 a { color: var(--m4-text); text-decoration: none; font-size: 0.95rem; font-weight: 500;}
.footer-links-m4 a:hover { color: var(--m4-primary); }

@media (max-width: 1024px) {
    .nav-m4 { display: none; }
    .header-m4 { 
        justify-content: space-between !important; 
        border-radius: 35px !important;
        padding: 12px 30px !important;
        left: 76px !important;
        right: 76px !important;
        top: 25px !important;
        width: auto !important;
    }
    .footer-m4 { flex-direction: column; gap: 20px; text-align:center; border-radius: 30px;}
}