:root {
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    /* Nouvelles couleurs principales : Vert */
    --primary-color: #00e676; /* Vert vif */
    --secondary-color: #00c853; /* Vert plus foncé */
    --dock-bg: rgba(0, 0, 0, 0.6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    touch-action: manipulation; 
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: #0f130f; /* Fond légèrement vert-noir */
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* --- Arrière-plan Animé (Image) --- */
.background-anim {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: #0f130f;
}

.bg-image {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background-image: url('./whist.png'); /* URL de votre image */
    background-size: cover;
    background-position: center;
    opacity: 0.25; /* Semi-transparent */
    filter: blur(4px); /* Léger flou pour le style */
    animation: breathe 20s infinite ease-in-out;
}

@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* (Suppression des anciennes animations de blobs) */
.blob, .blob-1, .blob-2, .blob-3 { display: none; }


/* --- Layout Principal --- */
.glass-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.section {
    margin-bottom: 60px;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* --- Typographie & Héro --- */
.hero {
    text-align: center;
    padding-top: 80px;
    padding-bottom: 40px;
}

.badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    letter-spacing: 1px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(5px);
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 4rem;
    margin: 20px 0;
    line-height: 1.1;
    font-weight: 700;
}

.gradient-text {
    /* Nouveau dégradé vert */
    background: linear-gradient(to right, var(--primary-color), #69f0ae);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* --- Cartes Glassmorphism --- */
.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 600px) {
    .features { grid-template-columns: 1fr 1fr; }
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, background 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.glass-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.glass-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- Nouvelle Section : Detailed Features Grid --- */
.detailed-features h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 600px) {
    .feature-grid { grid-template-columns: 1fr 1fr; }
}

.small-card {
    padding: 20px;
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 15px;
}

.small-card h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}


/* --- Contenu Texte --- */
.deep-dive h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.text-block {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 30px;
    border: 1px solid var(--glass-border);
}

.text-block p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #e0e0e0;
}

.text-block h3 {
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

/* Icons dans les titres h3 */
.text-block h3::before {
    content: '';
    display: inline-block;
    margin-right: 10px;
    font-size: 1.3em;
}


.footer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    opacity: 0.5;
    margin-top: 50px;
}

.spacer { height: 100px; }

/* --- Dock Flottant (Boutons) --- */
.floating-dock {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 15px;
    background: var(--dock-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 100;
    width: 90%;
    max-width: 400px;
    justify-content: space-between;
}

.btn-support {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 10px 15px;
    border-radius: 30px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
}

.btn-support:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.btn-support .icon {
    margin-right: 6px;
    color: #ff4757;
}

.btn-play {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    /* Nouveau dégradé vert pour le bouton */
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: #000;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 14px 24px;
    border-radius: 30px;
    /* Nouvelle ombre verte */
    box-shadow: 0 0 20px rgba(0, 230, 118, 0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
}

.btn-play:active {
    transform: scale(0.95);
}

.btn-play .play-icon {
    margin-right: 8px;
    font-size: 0.9em;
}

.scroll-hidden {
    opacity: 0;
    transform: translateY(30px);
}

.scroll-visible {
    opacity: 1;
    transform: translateY(0);
}