/* ===============================================
   BRANDING PREMIUM - AMÉLIORATIONS VISUELLES
   =============================================== */

/* Effet de texture dorée subtile sur le fond */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 140, 66, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Amélioration des titres principaux */
.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-gold);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
}

/* Effet glassmorphism sur les cartes importantes */
.offer-card.featured {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(212, 175, 55, 0.3);
}

/* Placeholders pour images/vidéos génériques */
.media-placeholder {
    position: relative;
    background: linear-gradient(135deg, 
        rgba(212, 175, 55, 0.08) 0%, 
        rgba(255, 140, 66, 0.08) 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    border: 2px dashed rgba(212, 175, 55, 0.3);
}

.media-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(212, 175, 55, 0.02) 10px,
            rgba(212, 175, 55, 0.02) 20px
        );
}

.media-placeholder-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-lg);
}

.media-placeholder-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 4px 12px rgba(212, 175, 55, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.media-placeholder-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    font-weight: 600;
}

.media-placeholder-hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 10px;
    font-style: italic;
}

/* Amélioration des boutons CTA */
.btn-primary,
.btn-offer {
    position: relative;
    overflow: hidden;
}

.btn-primary::before,
.btn-offer::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before,
.btn-offer:hover::before {
    width: 300px;
    height: 300px;
}

/* Effet de brillance sur les éléments dorés */
@keyframes shine {
    0% { background-position: -200px; }
    100% { background-position: 200px; }
}

.gold-shine {
    background: linear-gradient(
        90deg,
        var(--primary-color) 0%,
        #f4d03f 50%,
        var(--primary-color) 100%
    );
    background-size: 200px 100%;
    animation: shine 3s infinite;
}

/* Cartes avec effet de profondeur */
.problem-card,
.result-card,
.offer-card {
    transform-style: preserve-3d;
    transition: transform 0.4s ease;
}

.problem-card:hover,
.result-card:hover {
    transform: perspective(1000px) rotateY(2deg) rotateX(-2deg);
}

/* Amélioration des sections alternées */
.section:nth-child(even) {
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.02) 0%,
        rgba(212, 175, 55, 0.03) 50%,
        rgba(255, 255, 255, 0.02) 100%
    );
}

/* Effet de lueur douce sur les icônes importantes */
.result-icon i,
.problem-icon i {
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.4));
    transition: filter 0.3s ease;
}

.result-card:hover .result-icon i,
.problem-card:hover .problem-icon i {
    filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.7));
}

/* Amélioration de la navigation */
.navbar {
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background: rgba(45, 31, 26, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* Effet de particules dorées (subtil) */
@keyframes particle-float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) translateX(10px);
        opacity: 0.6;
    }
}

.hero::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 20%;
    left: 10%;
    animation: particle-float 4s ease-in-out infinite;
    box-shadow: 
        0 0 10px rgba(212, 175, 55, 0.5),
        20vw 10vh 0 2px rgba(255, 140, 66, 0.3),
        40vw 20vh 0 1px rgba(212, 175, 55, 0.4),
        60vw 5vh 0 3px rgba(255, 140, 66, 0.2),
        80vw 15vh 0 2px rgba(212, 175, 55, 0.3);
}

/* Placeholders vidéo prêts à l'emploi */
.video-container-ready {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* Ratio 16:9 */
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
    border: 3px solid var(--primary-color);
}

.video-container-ready::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(212, 175, 55, 0.1) 0%, 
        rgba(255, 140, 66, 0.1) 100%);
    z-index: 1;
}

.video-placeholder-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
}

.video-play-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.video-play-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(212, 175, 55, 0.7);
}

.video-play-icon i {
    font-size: 2rem;
    color: var(--bg-dark);
    margin-left: 5px;
}

.video-placeholder-text {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Responsive - Branding Premium */
@media (max-width: 768px) {
    .media-placeholder {
        min-height: 200px;
    }
    
    .media-placeholder-icon {
        font-size: 3rem;
    }
    
    .video-play-icon {
        width: 60px;
        height: 60px;
    }
    
    .video-play-icon i {
        font-size: 1.5rem;
    }
}

/* Mode sombre automatique (optionnel) */
@media (prefers-color-scheme: dark) {
    .media-placeholder {
        background: linear-gradient(135deg, 
            rgba(212, 175, 55, 0.12) 0%, 
            rgba(255, 140, 66, 0.12) 100%);
    }
}