.glass-header {
    background: rgba(17, 24, 39, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.glass-header:hover {
    background: rgba(17, 24, 39, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.logo-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Section solution - Design cohérent et logique */

.solution-background {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Particules de succès - plus cohérentes que les blobs */
.success-particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: linear-gradient(45deg, #10b981, #34d399);
    border-radius: 50%;
    opacity: 0;
    animation: success-float 4s ease-in-out infinite;
}

@keyframes success-float {
    0%, 100% {
        opacity: 0;
        transform: translateY(0px) scale(0.5);
    }
    50% {
        opacity: 0.7;
        transform: translateY(-20px) scale(1);
    }
}

.solution-container {
    position: relative;
    z-index: 2;
    padding: 3rem;
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(34, 197, 94, 0.2);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

/* Icône de transformation */
.transformation-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.icon-before {
    animation: icon-shake 2s ease-in-out infinite;
}

.icon-arrow {
    color: #10b981;
    font-weight: bold;
    animation: icon-pulse 2s ease-in-out infinite;
}

.icon-after {
    animation: icon-glow 2s ease-in-out infinite;
}

@keyframes icon-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

@keyframes icon-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

@keyframes icon-glow {
    0%, 100% {
        transform: scale(1);
        text-shadow: 0 0 0 rgba(16, 185, 129, 0);
    }
    50% {
        transform: scale(1.1);
        text-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
    }
}

/* Styles pour la section beta positive */
.beta-card {
    border: 2px solid #10b981;
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2);
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(20px);
}

.exclusive-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
    padding: 0.5rem 2rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.beta-icon {
    font-size: 4rem;
    margin: 0 auto;
    display: block;
    animation: float 3s ease-in-out infinite;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: rgba(16, 185, 129, 0.05);
    transform: translateX(5px);
}

.benefit-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #10b981, #34d399);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.special-benefit {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 12px;
}

.special-icon {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

.main-cta {
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
    border: none;
    cursor: pointer;
}

.main-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
}

.reason-card {
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.reason-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(16, 185, 129, 0.3);
}

.reason-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.author {
    color: #10b981;
    font-size: 0.875rem;
}

/* Animation pour le compteur */
#waitlist-count {
    color: #3b82f6;
}

/* Responsive */
@media (max-width: 768px) {
    .beta-card {
        padding: 2rem;
        margin: 0 1rem;
    }

    .exclusive-badge {
        font-size: 0.75rem;
        padding: 0.375rem 1.5rem;
    }

    .beta-icon {
        font-size: 3rem;
    }
}



/* Points de solution avec étapes */
.solution-point {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.solution-point.animate {
    opacity: 1;
    transform: translateY(0);
}

.solution-step {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}


.step-number {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, #10b981, #34d399);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.875rem;
    color: white;
    margin-bottom: 0.5rem;
}

.solution-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.solution-point:hover .solution-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* Témoignage de transformation */
.transformation-quote {
    padding: 2rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 16px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    text-align: center;
}

.quote-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.quote-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.progress-step {
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
    animation: progress-step-appear 0.5s ease-in forwards;
    opacity: 0;
}

.progress-step:nth-child(1) { animation-delay: 0.5s; }
.progress-step:nth-child(3) { animation-delay: 1s; }
.progress-step:nth-child(5) { animation-delay: 1.5s; }
.progress-step:nth-child(7) { animation-delay: 2s; }

.progress-arrow {
    color: #10b981;
    font-weight: bold;
    opacity: 0;
    animation: progress-arrow-appear 0.3s ease-in forwards;
}

.progress-arrow:nth-child(2) { animation-delay: 0.8s; }
.progress-arrow:nth-child(4) { animation-delay: 1.3s; }
.progress-arrow:nth-child(6) { animation-delay: 1.8s; }

@keyframes progress-step-appear {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes progress-arrow-appear {
    to { opacity: 1; }
}

/* Solution reveal animation */
.solution-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Responsive */
@media (max-width: 768px) {
    .solution-container {
        padding: 2rem;
        margin: 0 1rem;
    }

    .transformation-icon {
        font-size: 1.5rem;
        gap: 0.5rem;
    }

    .quote-progress {
        flex-direction: column;
        gap: 0.75rem;
    }

    .progress-step {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
}

/* Version sans animation pour l'accessibilité */
@media (prefers-reduced-motion: reduce) {
    .success-particle,
    .transformation-icon > *,
    .solution-icon {
        animation: none !important;
    }

    .solution-point {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Cartes de problèmes */
.problem-card {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.problem-card:hover::before {
    left: 100%;
}

.problem-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(168, 85, 247, 0.2);
}

/* Icônes des cartes */
.card-icon {
    position: relative;
}

.icon-glow {
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    opacity: 0.5;
    filter: blur(8px);
    transition: opacity 0.3s ease;
}

.glow-orange {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

.glow-purple {
    background: linear-gradient(135deg, #a855f7, #ec4899);
}

.glow-blue {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
}

.problem-card:hover .icon-glow {
    opacity: 0.8;
}

.icon-content {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    font-size: 2rem;
    font-weight: bold;
    transform: scale(1);
    transition: transform 0.3s ease;
}

.problem-card:hover .icon-content {
    transform: scale(1.1);
    animation: gentle-pulse 0.6s ease-in-out;
}

/* Fragments animés */
.fragment-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    animation: fragment-float 2s ease-in-out infinite;
}


/* Section solution */
.gradient-border {
    background: linear-gradient(135deg, #f287ff, #e855f7, #d333ea);
    padding: 2px;
    border-radius: 20px;
    position: relative;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, #f287ff, #e855f7, #d333ea);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    animation: gradient-rotate 3s linear infinite;
}

.gradient-border-inner {
    background: #111827;
    border-radius: 18px;
    height: 100%;
    width: 100%;
    position: relative;
    z-index: 2;
}

.solution-title {
    background: linear-gradient(135deg, #f287ff 0%, #a855f7 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solution-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.solution-point {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.solution-point.animate {
    opacity: 1;
    transform: translateY(0);
}

.solution-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Particules et effets de fond */
.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    background: linear-gradient(45deg, #f287ff, #e855f7);
    border-radius: 50%;
    opacity: 0.6;
    animation: particle-float 8s ease-in-out infinite;
}

.morphing-blob {
    animation: morphing 6s ease-in-out infinite;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes gentle-pulse {
    0%, 100% { transform: scale(1.1); }
    50% { transform: scale(1.15); }
}

@keyframes fragment-float {
    0%, 100% {
        transform: translateY(0px);
        opacity: 1;
    }
    50% {
        transform: translateY(-8px);
        opacity: 0.7;
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

@keyframes gradient-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes morphing {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
        transform: scale(1);
    }
    33% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
        transform: scale(1.1);
    }
    66% {
        border-radius: 70% 30% 40% 60% / 40% 70% 60% 50%;
        transform: scale(0.9);
    }
}

@keyframes particle-float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.6;
    }
    33% {
        transform: translateY(-20px) rotate(120deg);
        opacity: 0.8;
    }
    66% {
        transform: translateY(10px) rotate(240deg);
        opacity: 0.4;
    }
}

@keyframes explode-particle {
    0% {
        opacity: 1;
        transform: scale(1) translate(0, 0);
    }
    100% {
        opacity: 0;
        transform: scale(0);
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .problem-card:hover {
        transform: translateY(-5px) scale(1.01);
    }

    .challenge-text {
        font-size: 0.9em;
    }

    .icon-content {
        font-size: 1.5rem;
    }

    .solution-point {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

/* ==========================================================================
   Accessibilité
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .floating-particles,
    .morphing-blob,
    .particle,
    .arrow-pulse,
    .gradient-border::before {
        animation: none !important;
    }

    .problem-card:hover {
        transform: none;
    }

    .icon-content {
        animation: none !important;
    }
}

@media (prefers-contrast: high) {
    .glass-morphism {
        background: rgba(255, 255, 255, 0.15);
        border: 2px solid rgba(255, 255, 255, 0.3);
    }

    .challenge-text {
        color: #f59e0b !important;
        -webkit-text-fill-color: #f59e0b !important;
    }
}

/* ==========================================================================
   Effets interactifs
   ========================================================================== */

.problem-card:focus-within {
    outline: 2px solid #e855f7;
    outline-offset: 2px;
}

.solution-point:hover .solution-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* Effet de survol global pour améliorer l'engagement */
.problem-card:hover {
    z-index: 10;
}

.problem-card:hover h3 {
    text-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Optimisations de performance
   ========================================================================== */

.floating-particles,
.morphing-blob {
    will-change: transform;
}

.problem-card {
    will-change: transform, box-shadow;
}

.icon-content {
    will-change: transform;
} Plumia Landing Page - Styles principaux */

/* ==========================================================================
   Styles de base et utilitaires
   ========================================================================== */

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.warm-gradient {
    background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 50%, #fd79a8 100%);
}

.typewriter {
    overflow: hidden;
    border-right: 3px solid #f287ff;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret .75s step-end infinite;
}

.book-mockup {
    transform: perspective(1000px) rotateY(-15deg);
    transition: all 0.3s ease;
}

.book-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.05);
}

/* ==========================================================================
   Section Problème - Styles modernes et engageants
   ========================================================================== */

.problem-section {
    background-image:
        radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
}

.challenge-text {
    background: linear-gradient(135deg, #f59e0b, #f97316, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.challenge-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #f59e0b, #f97316, #ef4444);
    border-radius: 2px;
    opacity: 0.6;
}

/* Glassmorphisme moderne */
.glass-morphism {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/*

/* Curseur simple qui clignote après "défi" */
.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: #f97316;
    margin-left: 3px;
    vertical-align: bottom;
    animation: cursor-blink 1.5s infinite;
}

@keyframes cursor-blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Responsive */
@media (max-width: 768px) {
    .typing-cursor {
        width: 1.5px;
        height: 0.9em;
    }
}