/* 
   NEXA - Next Level Glow-Up
   Modern Stylesheet 2025
*/

/* ===== Base Styles ===== */
:root {
    /* Color Variables */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #0f0f12;
    --color-bg-card: #16161a;
    --color-bg-card-hover: #1c1c22;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-accent-blue: #00c2ff;
    --color-accent-purple: #d000ff;
    --color-accent-gradient: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-purple));
    --color-accent-gradient-hover: linear-gradient(135deg, #00d2ff, #e100ff);
    --glow-blue: 0 0 15px rgba(0, 194, 255, 0.7);
    --glow-purple: 0 0 15px rgba(208, 0, 255, 0.7);
    --glow-mix: 0 0 20px rgba(154, 97, 255, 0.8);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Outfit', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 28px;
    --border-radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(154, 97, 255, 0.3);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: clamp(1rem, 1.1vw, 1.1rem);
}

a {
    text-decoration: none;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
    position: relative;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    background: rgba(154, 97, 255, 0.1);
    color: var(--color-accent-blue);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
}

.section-title {
    margin-bottom: var(--spacing-sm);
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    font-weight: 800;
    text-shadow: var(--glow-mix);
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
    width: 100%;
    text-align: center;
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* ===== Utility Classes ===== */
.glow-text {
    background-image: linear-gradient(135deg, #00c2ff, #d000ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px rgba(154, 97, 255, 0.5);
    position: relative;
    font-weight: 800;
    letter-spacing: -0.02em;
    display: inline-block;
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    line-height: 1.1;
    padding-bottom: 5px;
    margin-bottom: 15px;
}

/* Trait sous le titre supprimé */

/* Styles pour les titres de section */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    margin: 0.5rem 0;
}

.section-header .glow-text {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    box-shadow: var(--glow-mix);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(154, 97, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-accent-purple);
    box-shadow: 0 0 10px rgba(208, 0, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(208, 0, 255, 0.1);
    box-shadow: 0 0 15px rgba(208, 0, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-accent-blue);
    box-shadow: 0 0 10px rgba(0, 194, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(0, 194, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 194, 255, 0.5);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.2rem 0;
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: var(--glow-mix);
    letter-spacing: -0.02em;
}

.nav-menu ul {
    display: flex;
    gap: var(--spacing-md);
}

.nav-menu a {
    position: relative;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0.2rem;
    color: var(--color-text-secondary);
}

.nav-menu a:hover {
    color: var(--color-text-primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-gradient);
    transition: var(--transition-normal);
    border-radius: var(--border-radius-full);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    gap: 10px;
}

.btn-connect {
    background: rgba(154, 97, 255, 0.1);
    color: var(--color-text-primary);
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius-full);
    font-weight: 500;
    border: 1px solid rgba(154, 97, 255, 0.2);
    transition: var(--transition-normal);
}

.btn-connect:hover {
    background: rgba(154, 97, 255, 0.2);
    border-color: rgba(154, 97, 255, 0.3);
    transform: translateY(-2px);
}

.btn-signup {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius-full);
    font-weight: 500;
    border: none;
    transition: var(--transition-normal);
    box-shadow: 0 0 15px rgba(154, 97, 255, 0.3);
}

.btn-signup:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(154, 97, 255, 0.5);
}

.hamburger {
    display: none;
    cursor: pointer;
    background: transparent;
    border: none;
}

.bar {
    display: block;
    width: 22px;
    height: 2px;
    margin: 6px 0;
    transition: var(--transition-normal);
    background-color: var(--color-text-primary);
    border-radius: var(--border-radius-full);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
    position: relative;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-tag {
    display: inline-block;
    background: rgba(154, 97, 255, 0.1);
    color: var(--color-accent-blue);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-cta {
    margin-top: var(--spacing-md);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    perspective: 1000px;
}

/* Effets de lumière autour du téléphone */
.phone-light-effect {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.4;
    z-index: 1;
    pointer-events: none;
}

.light-1 {
    width: 150px;
    height: 150px;
    background: rgba(0, 194, 255, 0.3);
    top: 20%;
    right: 30%;
    animation: float 8s ease-in-out infinite alternate;
}

.light-2 {
    width: 180px;
    height: 180px;
    background: rgba(208, 0, 255, 0.25);
    bottom: 25%;
    left: 30%;
    animation: float 10s ease-in-out infinite alternate-reverse;
}

.light-3 {
    width: 100px;
    height: 100px;
    background: rgba(154, 97, 255, 0.3);
    top: 50%;
    right: 20%;
    animation: float 7s ease-in-out infinite alternate;
}

@keyframes float {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(15px, -15px);
    }
}

/* Effet de réflexion sous le téléphone */
.phone-reflection {
    position: absolute;
    width: 200px;
    height: 30px;
    background: linear-gradient(to bottom, rgba(154, 97, 255, 0.2), transparent);
    border-radius: 50%;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    filter: blur(10px);
    z-index: 1;
}

/* Styles pour la boîte de chat simplifiée */
.chat-box-container {
    width: 350px;
    background: var(--color-bg-card);
    border-radius: 20px;
    padding: 2px;
    box-shadow: 0 0 30px rgba(0, 194, 255, 0.3), 0 0 15px rgba(208, 0, 255, 0.3);
    position: relative;
    border: 2px solid transparent;
    background-clip: padding-box;
    overflow: hidden;
    animation: chat-box-pulse 4s infinite alternate;
    z-index: 2;
}

.chat-box-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--color-accent-gradient);
    border-radius: 22px;
    z-index: -1;
}

@keyframes chat-box-pulse {
    0% {
        box-shadow: 0 0 30px rgba(0, 194, 255, 0.3), 0 0 15px rgba(208, 0, 255, 0.3);
    }
    100% {
        box-shadow: 0 0 40px rgba(0, 194, 255, 0.5), 0 0 25px rgba(208, 0, 255, 0.5);
    }
}

.chat-box-header {
    display: flex;
    align-items: center;
    padding: 15px;
    background: rgba(15, 15, 25, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 18px 18px 0 0;
}

.chat-box-content {
    padding: 15px;
    max-height: 350px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: var(--color-bg-primary);
    border-radius: 0 0 18px 18px;
}

.screen-content {
    padding: 15px;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #0a0a14 0%, #121220 100%);
}

.app-interface {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: rgba(10, 10, 14, 0.8);
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
    padding: 8px 8px 0 8px;
}

.app-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 20px;
    margin-bottom: 5px;
}

.status-time {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.status-icons {
    display: flex;
    gap: 5px;
}

.status-icon {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
}

.status-icon:nth-child(1) {
    background: rgba(0, 194, 255, 0.7);
}

/* Styles pour l'en-tête du chat */
.chat-header {
    display: flex;
    align-items: center;
    padding: 12px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-avatar span {
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.avatar-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--color-accent-gradient);
    opacity: 0.3;
    filter: blur(8px);
    animation: avatar-pulse 3s infinite alternate;
}

@keyframes avatar-pulse {
    0% {
        opacity: 0.2;
        transform: scale(0.95);
    }
    100% {
        opacity: 0.4;
        transform: scale(1.05);
    }
}

.chat-info {
    flex: 1;
}

.chat-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.chat-status {
    font-size: 0.7rem;
    color: rgba(0, 230, 118, 0.9);
    display: flex;
    align-items: center;
}

.chat-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(0, 230, 118, 0.9);
    margin-right: 4px;
    display: inline-block;
}

/* Styles pour le conteneur de chat */
.chat-container {
    flex: 1;
    padding: 15px 10px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: linear-gradient(180deg, rgba(10, 10, 14, 0.8) 0%, rgba(18, 18, 32, 0.8) 100%);
}

.chat-container.simple {
    overflow: hidden;
    justify-content: center;
}

.chat-container.full-convo {
    overflow-y: auto;
    max-height: 450px;
    padding-right: 5px;
    scrollbar-width: none; /* Firefox */
}

.chat-container.full-convo::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* Ajustements pour la conversation complète */
.chat-container.full-convo .message {
    margin-bottom: 8px;
}

.chat-container.full-convo .message.bot {
    max-width: 90%;
}

.chat-container.full-convo .message.user {
    max-width: 75%;
}

/* Styles pour mettre en évidence l'efficacité de l'IA */
.ai-highlight {
    color: var(--color-accent-blue);
    font-weight: 600;
    position: relative;
}

.ai-highlight::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-accent-blue);
    opacity: 0.5;
}

.routine-step {
    font-weight: 600;
    color: var(--color-text-primary);
    position: relative;
    display: inline-block;
    margin-bottom: 3px;
}

.chat-date {
    text-align: center;
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    margin: 5px 0 15px;
    position: relative;
}

.chat-date::before,
.chat-date::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.chat-date::before {
    left: 0;
}

.chat-date::after {
    right: 0;
}

/* Styles pour les messages */
.message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    position: relative;
    animation: message-appear 0.3s ease-out;
}

.chat-container.simple .message {
    margin-bottom: 5px;
}

@keyframes message-appear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.bot {
    align-self: flex-start;
}

.message.user {
    align-self: flex-end;
}

.message-content {
    padding: 12px 15px;
    border-radius: 18px;
    font-size: 0.9rem;
    line-height: 1.5;
    position: relative;
}

.chat-container.simple .message-content {
    font-size: 0.95rem;
}

.message.bot .message-content {
    background: rgba(20, 20, 30, 0.6);
    border-top-left-radius: 4px;
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.chat-container.simple .message.bot .message-content {
    background: linear-gradient(135deg, rgba(20, 20, 30, 0.8), rgba(30, 30, 50, 0.8));
    border-left: 2px solid var(--color-accent-blue);
}

.message.user .message-content {
    background: var(--color-accent-gradient);
    border-top-right-radius: 4px;
    color: var(--color-text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.chat-container.simple .message.user .message-content {
    background: linear-gradient(135deg, rgba(0, 194, 255, 0.8), rgba(208, 0, 255, 0.8));
}

.message-time {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
    align-self: flex-end;
}

.message.bot .message-time {
    margin-left: 8px;
}

.message.user .message-time {
    margin-right: 8px;
}

/* Styles pour l'indicateur de frappe */
.message.typing .message-content {
    background: rgba(20, 20, 30, 0.4);
    padding: 12px;
    width: 60px;
}

.typing-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    animation: typing-bounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing-bounce {
    0%, 80%, 100% { 
        transform: scale(0.6);
    } 
    40% { 
        transform: scale(1.0);
    }
}

/* Styles pour la carte de message */
.message-card {
    background: linear-gradient(135deg, rgba(15, 15, 25, 0.9), rgba(25, 25, 40, 0.9));
    border-radius: var(--border-radius-md);
    padding: 15px;
    margin: 8px 0;
    border: 1px solid rgba(154, 97, 255, 0.2);
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2), 0 0 20px rgba(154, 97, 255, 0.1);
}

.message-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 194, 255, 0.05), transparent 70%);
    z-index: 0;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.card-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--color-accent-gradient);
    padding: 4px 10px;
    border-radius: var(--border-radius-full);
    color: var(--color-text-primary);
    letter-spacing: 0.5px;
    box-shadow: 0 0 10px rgba(154, 97, 255, 0.5);
    animation: badge-pulse 2s infinite alternate;
}

@keyframes badge-pulse {
    0% {
        box-shadow: 0 0 10px rgba(154, 97, 255, 0.5);
    }
    100% {
        box-shadow: 0 0 15px rgba(0, 194, 255, 0.7);
    }
}

.card-stats {
    display: flex;
    justify-content: space-around;
    position: relative;
    z-index: 1;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: transparent;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    margin-bottom: 4px;
    display: inline-block;
    text-shadow: 0 0 15px rgba(154, 97, 255, 0.5);
    position: relative;
}

.stat-value::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 2px;
    background: var(--color-accent-gradient);
    border-radius: var(--border-radius-full);
    opacity: 0.5;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
}

/* Styles pour le champ de saisie du chat */
.chat-input {
    display: flex;
    align-items: center;
    padding: 10px;
    background: rgba(10, 10, 14, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.chat-input input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    padding: 10px 15px;
    color: var(--color-text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-normal);
}

.chat-input input:focus {
    border-color: rgba(0, 194, 255, 0.5);
    box-shadow: 0 0 0 2px rgba(0, 194, 255, 0.1);
}

.chat-input input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.send-button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-accent-gradient);
    border: none;
    margin-left: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: 0 2px 10px rgba(154, 97, 255, 0.3);
}

.send-button:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 15px rgba(154, 97, 255, 0.5);
}

.send-button i {
    font-size: 0.9rem;
}

.app-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 10px;
}

/* Styles pour la section de transformation */
.app-transformation {
    padding: 10px;
    margin-bottom: 10px;
}

.transformation-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.transformation-progress {
    margin-top: 5px;
}

.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 5px;
}

.progress-fill {
    height: 100%;
    background: var(--color-accent-gradient);
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progress-shine 2s infinite;
}

@keyframes progress-shine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-text {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-align: right;
}

/* Styles pour la section des résultats */
.app-results {
    background: rgba(20, 20, 30, 0.6);
    border-radius: var(--border-radius-md);
    padding: 12px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.app-results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 194, 255, 0.05), transparent 70%);
    z-index: 0;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.result-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.result-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--color-accent-gradient);
    padding: 3px 8px;
    border-radius: 10px;
    color: var(--color-text-primary);
    letter-spacing: 0.5px;
}

.result-metrics {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.metric {
    text-align: center;
    flex: 1;
}

.metric-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: transparent;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    margin-bottom: 2px;
    display: inline-block;
}

.metric-value span {
    font-size: 0.7rem;
    font-weight: 500;
    margin-left: 1px;
}

.metric-label {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
}

/* Styles pour les tâches du jour */
.app-today {
    margin-bottom: 12px;
}

.today-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    padding: 0 5px;
}

.today-task {
    background: rgba(20, 20, 30, 0.6);
    border-radius: var(--border-radius-md);
    padding: 10px;
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.today-task.active {
    border-left: 3px solid rgba(0, 194, 255, 0.7);
}

.today-task.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 194, 255, 0.05), transparent);
    z-index: 0;
}

.today-task.completed {
    border-left: 3px solid rgba(0, 230, 118, 0.7);
    opacity: 0.8;
}

.task-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    position: relative;
    z-index: 1;
}

.task-icon i {
    font-size: 0.8rem;
    color: transparent;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
}

.today-task.completed .task-icon i {
    background: linear-gradient(135deg, #00e676, #00c853);
    -webkit-background-clip: text;
    background-clip: text;
}

.task-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.task-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.task-time {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
}

.task-status {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(0, 194, 255, 0.9);
    position: relative;
    z-index: 1;
}

.today-task.completed .task-status i {
    color: rgba(0, 230, 118, 0.9);
    font-size: 0.9rem;
}

/* Styles pour le bouton CTA */
.app-cta {
    margin-top: auto;
    padding: 0 5px;
}

.cta-button {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    text-align: center;
    padding: 12px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(154, 97, 255, 0.3);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    animation: pulse-light 2s infinite alternate;
}

.cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: button-shine 3s infinite;
}

@keyframes button-shine {
    0% {
        left: -100%;
    }
    20%, 100% {
        left: 100%;
    }
}

@keyframes pulse-light {
    0% {
        box-shadow: 0 4px 15px rgba(154, 97, 255, 0.3);
    }
    100% {
        box-shadow: 0 4px 25px rgba(154, 97, 255, 0.5);
    }
}

.app-feature {
    height: 60px;
    background: rgba(20, 20, 30, 0.6);
    border-radius: var(--border-radius-md);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.app-feature:nth-child(1) {
    border-left: 3px solid rgba(0, 194, 255, 0.7);
}

.app-feature:nth-child(2) {
    border-left: 3px solid rgba(208, 0, 255, 0.7);
}

.app-feature:nth-child(3) {
    border-left: 3px solid rgba(154, 97, 255, 0.7);
}

.feature-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
}

.feature-icon i {
    font-size: 0.9rem;
    color: transparent;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
}

.feature-text {
    flex: 1;
}

.feature-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 5px;
}

.feature-progress {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.feature-progress span {
    display: block;
    height: 100%;
    background: var(--color-accent-gradient);
    border-radius: 2px;
}

.app-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 15px;
    background: rgba(20, 20, 30, 0.4);
    border-radius: var(--border-radius-md);
    padding: 15px 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: transparent;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    margin-top: 3px;
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 25px;
    background: var(--color-bg-card);
    border-radius: 0 0 16px 16px;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.phone-notch::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0, 194, 255, 0.7);
    box-shadow: 0 0 5px rgba(0, 194, 255, 0.7);
    animation: camera-pulse 3s infinite;
}

@keyframes camera-pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 0.3;
    }
}

/* Ajout d'animations pour les éléments de l'app */
.app-feature {
    animation: feature-fade-in 0.5s ease forwards;
    opacity: 0;
    transform: translateY(10px);
}

.app-feature:nth-child(1) {
    animation-delay: 0.3s;
}

.app-feature:nth-child(2) {
    animation-delay: 0.5s;
}

.app-feature:nth-child(3) {
    animation-delay: 0.7s;
}

@keyframes feature-fade-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.glow-effect {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
}

.glow-1 {
    width: 300px;
    height: 300px;
    background: rgba(0, 194, 255, 0.15);
    top: 20%;
    right: 10%;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(208, 0, 255, 0.15);
    bottom: 10%;
    left: 10%;
}


.hero-content {
    flex: 1;
    max-width: 600px;
}

/* ===== Features Section ===== */
.features {
    background-color: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.features-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-item:hover {
    background: var(--color-bg-card-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(154, 97, 255, 0.2);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    background: rgba(154, 97, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.feature-icon-wrapper i {
    font-size: 1.8rem;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.feature-item h3 {
    margin: var(--spacing-sm) 0;
    font-size: 1.3rem;
}

.feature-item p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
}

/* ===== Pricing Section ===== */
.pricing {
    position: relative;
    overflow: hidden;
}

.offer-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(154, 97, 255, 0.2);
    position: relative;
}

.offer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 194, 255, 0.05), transparent 60%);
    z-index: 0;
}

.offer-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(208, 0, 255, 0.05), transparent 60%);
    z-index: 0;
}

.offer-price-tag {
    width: 200px;
    background: var(--color-accent-gradient);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    margin-bottom: var(--spacing-xs);
}

.price-period {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.offer-content {
    flex: 1;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.offer-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.offer-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.check-icon {
    color: var(--color-accent-blue);
    font-size: 1.2rem;
}

.offer-action {
    text-align: center;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-normal);
}

.btn-primary:hover {
    background: var(--color-accent-gradient-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(154, 97, 255, 0.4);
}

.offer-note {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* ===== Signup Section ===== */
.account {
    background-color: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
    padding-bottom: var(--spacing-xl);
}

/* Styles pour les onglets */
.account-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.tab-header {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tab {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    position: relative;
    transition: var(--transition-normal);
}

.tab:hover {
    color: var(--color-text-primary);
}

.tab.active {
    color: var(--color-text-primary);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent-gradient);
    border-radius: var(--border-radius-full);
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Styles pour le formulaire de connexion */
.login-container {
    display: flex;
    align-items: stretch;
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.login-form {
    flex: 1;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    margin-top: -5px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.remember-me input {
    accent-color: var(--color-accent-blue);
}

.forgot-password {
    color: var(--color-accent-blue);
    text-decoration: none;
}

.forgot-password:hover {
    text-decoration: underline;
}

.login-visual {
    width: 40%;
    background: var(--color-accent-gradient);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.signup-container {
    display: flex;
    align-items: stretch;
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.signup-form {
    flex: 1;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-field {
    position: relative;
}

.form-field input {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-field input:focus {
    outline: none;
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 194, 255, 0.2);
}

.form-field input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.signup-btn {
    margin-top: var(--spacing-sm);
    width: 100%;
}

.signup-note {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.signup-note a {
    color: var(--color-accent-blue);
    text-decoration: underline;
}

.signup-visual {
    width: 40%;
    background: var(--color-accent-gradient);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-content {
    text-align: center;
    color: var(--color-text-primary);
}

.visual-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.visual-content h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.visual-content p {
    color: rgba(255, 255, 255, 0.8);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-lg);
}

.footer-brand {
    flex: 1;
}

.footer-brand p {
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--color-accent-gradient);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.footer-nav {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-nav-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-nav-group a {
    color: var(--color-text-secondary);
    transition: var(--transition-normal);
}

.footer-nav-group a:hover {
    color: var(--color-accent-blue);
    transform: translateX(3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.before-image {
    transform: rotate(-5deg);
    filter: grayscale(0.7) brightness(0.8);
}

.after-image {
    transform: rotate(5deg);
    filter: brightness(1.1);
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
    .hero .container {
        gap: var(--spacing-md);
    }
    
    .hero-content {
        max-width: 500px;
    }
    
    .phone-frame {
        width: 240px;
        height: 480px;
    }
}

@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        max-width: 600px;
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .offer-card {
        flex-direction: column;
    }
    
    .offer-price-tag {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .signup-container {
        flex-direction: column;
    }
    
    .signup-visual {
        width: 100%;
        order: -1;
        padding: var(--spacing-md);
    }
    
    .footer-main {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-nav {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .nav-menu, .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .chat-box-container {
        width: 100%;
        max-width: 350px;
        margin: 0 auto;
    }
    
    .features-container {
        grid-template-columns: 1fr;
    }
    
    .offer-features {
        margin-bottom: var(--spacing-md);
    }
    
    .footer-nav {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-nav-group {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Responsive pour les onglets de connexion */
    .tab-header {
        flex-direction: row;
        width: 100%;
        border-radius: var(--border-radius-full);
        background: rgba(20, 20, 30, 0.5);
        border: 1px solid rgba(255, 255, 255, 0.05);
        margin: 0 auto var(--spacing-md);
        max-width: 90%;
        overflow: hidden;
    }
    
    .tab {
        flex: 1;
        text-align: center;
        padding: 12px 5px;
        font-size: 0.95rem;
    }
    
    .tab.active {
        background: var(--color-accent-gradient);
    }
    
    .tab.active::after {
        display: none;
    }
    
    .signup-container,
    .login-container {
        flex-direction: column;
        max-width: 90%;
        margin: 0 auto;
    }
    
    .signup-visual,
    .login-visual {
        width: 100%;
        padding: var(--spacing-md);
        order: -1;
    }
    
    .visual-content h3 {
        font-size: 1.3rem;
    }
    
    .visual-content p {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero {
        padding-top: 80px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .phone-frame {
        width: 200px;
        height: 400px;
    }
    
    .offer-price-tag {
        padding: var(--spacing-sm);
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .offer-content {
        padding: var(--spacing-md);
    }
    
    .btn-large {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Styles pour les formulaires sur mobile */
    .form-field {
        margin-bottom: 12px;
    }
    
    .form-field input {
        padding: 12px 15px;
        font-size: 16px; /* Évite le zoom sur iOS */
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .signup-form,
    .login-form {
        padding: var(--spacing-md);
    }
    
    .signup-note,
    .forgot-password {
        font-size: 0.8rem;
    }
    
    /* Amélioration du menu mobile */
    .mobile-menu {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .mobile-menu .nav-menu ul {
        gap: var(--spacing-lg);
    }
    
    .mobile-menu .nav-cta {
        display: flex;
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 250px;
        margin-top: var(--spacing-lg);
    }
    
    .mobile-menu .btn {
        width: 100%;
        text-align: center;
    }
    
    /* Amélioration de la carte de résultats */
    .card-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    /* Amélioration du footer */
    .footer-main {
        text-align: center;
    }
    
    .footer-brand {
        margin-bottom: var(--spacing-md);
    }
    
    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-bg-primary);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateY(-20px);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu .nav-menu {
    margin-bottom: var(--spacing-lg);
}

.mobile-menu .nav-menu ul {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.mobile-menu .nav-menu a {
    font-size: 1.5rem;
    padding: var(--spacing-xs);
}

.mobile-menu .nav-cta {
    display: block;
    margin-top: var(--spacing-md);
}

.mobile-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.no-scroll {
    overflow: hidden;
}

/* ===== Navbar Scrolled State ===== */
.navbar-scrolled {
    padding: 0.8rem 0;
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* ===== Animations ===== */
.animate-ready {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered animations for features */
.features-container .feature-item:nth-child(1) { transition-delay: 0.1s; }
.features-container .feature-item:nth-child(2) { transition-delay: 0.2s; }
.features-container .feature-item:nth-child(3) { transition-delay: 0.3s; }
.features-container .feature-item:nth-child(4) { transition-delay: 0.4s; }
.features-container .feature-item:nth-child(5) { transition-delay: 0.5s; }
.features-container .feature-item:nth-child(6) { transition-delay: 0.6s; }

/* Form validation styles */
.form-field input.error {
    border-color: #ff3860;
    box-shadow: 0 0 0 2px rgba(255, 56, 96, 0.2);
}

.error-message {
    color: #ff3860;
    font-size: 0.8rem;
    margin-top: 5px;
}

.success-message {
    text-align: center;
    padding: var(--spacing-lg);
}

.success-icon {
    font-size: 3rem;
    color: #00d1b2;
    margin-bottom: var(--spacing-md);
}

.label {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    padding: 5px 15px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.glow-divider {
    width: 3px;
    height: 80%;
    background: var(--color-accent-gradient);
    box-shadow: var(--glow-mix);
    border-radius: var(--border-radius-sm);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.glow-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.circle-1 {
    top: 20%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: rgba(0, 194, 255, 0.15);
}

.circle-2 {
    bottom: 10%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: rgba(208, 0, 255, 0.15);
}

/* ===== Features Section ===== */
.features {
    background-color: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

.glow-icon {
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: var(--glow-mix);
}

.feature-detail ul {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-sm);
}

.feature-detail li {
    position: relative;
    padding-left: var(--spacing-sm);
    margin-bottom: 5px;
    color: var(--color-text-secondary);
}

.feature-detail li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent-blue);
}

/* ===== Community Section ===== */
.community {
    position: relative;
}

.challenge-highlight {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.challenge-content {
    flex: 1;
    padding: var(--spacing-md);
}

.challenge-image {
    flex: 1;
    height: 300px;
    overflow: hidden;
}

.challenge-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonials {
    margin-top: var(--spacing-lg);
}

.testimonials h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.testimonial-carousel {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
}

.testimonial-carousel::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.testimonial-card {
    flex: 0 0 300px;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    scroll-snap-align: start;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: var(--spacing-sm);
    border: 2px solid var(--color-accent-blue);
}

.user-info h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

.user-info span {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.testimonial-stats {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.prev-btn, .next-btn {
    background: var(--color-bg-card);
    border: none;
    color: var(--color-text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.prev-btn:hover, .next-btn:hover {
    background: var(--color-accent-gradient);
    box-shadow: var(--glow-mix);
}

/* ===== Pricing Section ===== */
.pricing {
    background-color: var(--color-bg-secondary);
    position: relative;
}

.pricing-single-card {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.pricing-single-card .pricing-card {
    max-width: 600px;
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px solid rgba(208, 0, 255, 0.3);
    box-shadow: 0 0 30px rgba(154, 97, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.pricing-single-card .pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 194, 255, 0.1), transparent 60%);
    z-index: 0;
}

.pricing-single-card .pricing-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(208, 0, 255, 0.1), transparent 60%);
    z-index: 0;
}

.pricing-single-card .pricing-header,
.pricing-single-card .pricing-features,
.pricing-single-card .pricing-cta {
    position: relative;
    z-index: 1;
    margin-top: var(--spacing-md);
    text-align: center;
}

.pricing-single-card .btn-primary {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    letter-spacing: 0.8px;
    box-shadow: 0 0 25px rgba(154, 97, 255, 0.8);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.pricing-single-card .btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(154, 97, 255, 0.8);
}

.pricing-single-card .price {
    font-size: 3.5rem;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: var(--glow-mix);
    margin: var(--spacing-sm) 0;
}

.pricing-single-card .pricing-badge {
    position: absolute;
    top: -15px;
    right: var(--spacing-md);
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    padding: 8px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--glow-mix);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.pricing-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    flex: 1;
    max-width: 350px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
    position: relative;
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 1px solid rgba(208, 0, 255, 0.3);
    box-shadow: 0 0 20px rgba(208, 0, 255, 0.2);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: var(--spacing-md);
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    padding: 5px 15px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--glow-mix);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.pricing-features .features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.03);
    transition: var(--transition-normal);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 1.5rem;
    color: transparent;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
}

.feature-text h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.feature-text p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .pricing-features .features-grid {
        grid-template-columns: 1fr;
    }
}

.pricing-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.pricing-features li i {
    margin-right: 10px;
    font-size: 0.9rem;
}

.pricing-features li.disabled {
    color: rgba(255, 255, 255, 0.3);
}

.pricing-features .fa-check {
    color: var(--color-accent-blue);
}

.pricing-features strong {
    font-weight: 600;
    color: var(--color-text-primary);
    position: relative;
}

.pricing-card.featured .pricing-features li {
    margin-bottom: 12px;
    position: relative;
    transition: var(--transition-normal);
}

.pricing-card.featured .pricing-features li:hover {
    transform: translateX(5px);
}

.pricing-card.featured .pricing-features li:hover i {
    text-shadow: var(--glow-blue);
}

.pricing-features .fa-times {
    color: rgba(255, 255, 255, 0.3);
}

.pricing-cta {
    text-align: center;
}

/* ===== Connexion Section ===== */
.download {
    position: relative;
    overflow: hidden;
}

.login-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.login-form {
    flex: 1;
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 10px rgba(0, 194, 255, 0.3);
}

.login-btn {
    width: 100%;
    margin-top: var(--spacing-sm);
    padding: 12px;
}

.login-text {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
}

.register-link {
    color: var(--color-accent-blue);
    font-weight: 600;
    transition: var(--transition-fast);
}

.register-link:hover {
    text-shadow: var(--glow-blue);
}

.login-info {
    flex: 1;
    padding: var(--spacing-md);
}

.login-info h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.8rem;
}

.login-features {
    margin-top: var(--spacing-md);
}

.login-features li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.login-features i {
    margin-right: 10px;
    color: var(--color-accent-blue);
    font-size: 1.2rem;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-bg-secondary);
    padding-top: var(--spacing-lg);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo .logo-text {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: var(--glow-mix);
}

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column ul li a {
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--color-accent-blue);
}

.footer-social h4 {
    margin-bottom: var(--spacing-sm);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
    background: var(--color-accent-gradient);
    transform: translateY(-5px);
    box-shadow: var(--glow-mix);
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ===== Responsive Styles ===== */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-image {
        justify-content: center;
    }
    
    .challenge-highlight {
        flex-direction: column;
    }
    
    .challenge-image {
        width: 100%;
    }
    
    .pricing-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card {
        width: 100%;
        max-width: 400px;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-logo, .footer-column, .footer-social {
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .nav-menu, .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        left: 0;
        top: 70px;
        width: 100%;
        background: var(--color-bg-secondary);
        padding: var(--spacing-md) 0;
        text-align: center;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        z-index: 999;
    }
    
    .nav-menu.active ul {
        flex-direction: column;
    }
    
    .nav-menu.active li {
        margin: 10px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download-options {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .before-image img, .after-image img {
        width: 150px;
        height: 250px;
    }
    
    .testimonial-carousel {
        padding-bottom: var(--spacing-md);
    }
    
    .testimonial-card {
        flex: 0 0 260px;
    }
}