/* ========================================
   Variables & Reset
   ======================================== */
:root {
    /* Colors */
    --bg-primary: #0a0b0d;
    --bg-secondary: #111215;
    --bg-tertiary: #1a1c20;
    --bg-card: #16181c;

    --accent-primary: #00d4ff;
    --accent-secondary: #0099ff;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);

    --text-primary: #ffffff;
    --text-secondary: #a0a0a8;
    --text-tertiary: #6b6b73;

    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions - Apple-like easing */
    --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-base: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 800ms cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: auto; /* Désactivé car on gère le smooth scroll en JS */
    overflow-y: scroll;
    overflow-x: hidden;
    /* Optimisation du rendu pour un scroll fluide */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    height: 100%;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ========================================
   Utilities
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animation states - controlled by JS Intersection Observer */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Stagger delays using nth-child */
.fade-in:nth-child(1) { transition-delay: 0.05s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.15s; }
.fade-in:nth-child(4) { transition-delay: 0.2s; }
.fade-in:nth-child(5) { transition-delay: 0.25s; }

/* Removed keyframe animations to eliminate flashing */

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 11, 13, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
    transition: all var(--transition-base);
}

.logo-image:hover {
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.6));
    transform: rotate(-5deg) scale(1.1);
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a:not(.btn) {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

.nav-links .btn {
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.4);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow:
        0 12px 32px rgba(0, 212, 255, 0.4),
        0 0 40px rgba(0, 212, 255, 0.3);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.99);
    transition-duration: 100ms;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0) scale(0.98);
    transition-duration: 100ms;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-icon {
    font-size: 1.2rem;
}

.btn-hero-main {
    padding: 1.25rem 2.5rem;
}

.btn-main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.btn-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
}

.btn-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.9;
    line-height: 1.2;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    max-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    padding-bottom: 0;
    margin-bottom: 0;
    overflow: visible;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    background: linear-gradient(
        to bottom,
        var(--bg-primary) 0%,
        var(--bg-primary) 50%,
        var(--bg-secondary) 100%
    );
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: -200px;
    z-index: 0;
    pointer-events: none;
    overflow: visible;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    will-change: transform;
    transition: transform 0.1s ease-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    bottom: 100px;
    left: -100px;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #00ffaa 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    max-width: 95%;
    margin-left: auto;
    margin-right: auto;
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 0;
}

.trust-badges {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    max-width: 900px;
    margin: var(--spacing-md) auto 0;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.badge-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}

/* ========================================
   Sections
   ======================================== */
.section {
    min-height: 100vh;
    max-height: 100vh;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xs) 0;
    overflow: hidden;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    flex-shrink: 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-sm);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
}

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

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0, 212, 255, 0.08) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(0, 212, 255, 0.2);
}

.card:active {
    transform: translateY(-4px) scale(1.01);
    transition-duration: 100ms;
}

/* ========================================
   How It Works
   ======================================== */
.how-it-works {
    padding-top: 0;
    margin-top: 0;
    background: linear-gradient(
        to bottom,
        var(--bg-secondary) 0%,
        var(--bg-secondary) 15%,
        var(--bg-secondary) 85%,
        var(--bg-primary) 100%
    );
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: 0 auto;
    flex: 1;
    align-items: center;
    max-width: 1200px;
}

.step {
    position: relative;
    text-align: center;
    overflow: visible;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

.step-number {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 48px;
    height: 48px;
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.6);
    z-index: 10;
    border: 3px solid var(--bg-primary);
}

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

.step-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

.how-it-works-footer {
    text-align: center;
    flex-shrink: 0;
    margin-top: var(--spacing-md);
}

.highlight-text {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--text-primary);
    max-width: 800px;
}

.highlight-text .icon {
    font-size: 1.2rem;
}

/* ========================================
   Features
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    align-items: center;
    align-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
}

.feature-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* ========================================
   Why Botlyz
   ======================================== */
.why-botlyz {
    background: linear-gradient(
        to bottom,
        var(--bg-primary) 0%,
        var(--bg-secondary) 15%,
        var(--bg-secondary) 85%,
        var(--bg-primary) 100%
    );
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    flex: 1;
}

.why-text {
    max-width: 550px;
}

.large-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.why-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

/* ========================================
   Telegram Mockup
   ======================================== */
.telegram-mockup {
    max-width: 400px;
    margin: 0 auto;
    overflow: hidden;
}

.mockup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

.mockup-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.telegram-icon {
    font-size: 1.3rem;
}

.mockup-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 50%;
    filter: drop-shadow(0 2px 8px rgba(0, 212, 255, 0.4));
}

.mockup-content {
    padding: var(--spacing-md);
    height: 360px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mockup-message {
    max-width: 80%;
    opacity: 0;
    transform: translateY(10px);
    visibility: hidden;
    flex-shrink: 0;
}

.mockup-message.received {
    align-self: flex-start;
}

.mockup-message.sent {
    align-self: flex-end;
}

.message-text {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.4;
}

.mockup-message.received .message-text {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.mockup-message.sent .message-text {
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* ========================================
   Telegram Message Animations
   ======================================== */

/* Message slide-in animation */
@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
        visibility: visible;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        visibility: visible;
    }
}

.mockup-message.animate {
    animation: messageSlideIn 0.4s ease-out forwards;
    visibility: visible;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-width: 80px;
    opacity: 0;
    visibility: hidden;
    flex-shrink: 0;
}

.typing-indicator.show {
    animation: messageSlideIn 0.3s ease-out forwards;
    visibility: visible;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: typingDot 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-4px);
    }
}

/* ========================================
   Telegram Section
   ======================================== */
.telegram-section {
    background: var(--bg-primary);
}

.telegram-cta {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 153, 255, 0.05) 100%);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.telegram-icon-large {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 400px;
}

.footer-description {
    color: var(--text-secondary);
    margin: var(--spacing-md) 0;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer-disclaimer {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
}

.footer-warnings {
    margin-top: var(--spacing-md);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

.footer-warning {
    font-size: 0.65rem;
    line-height: 1.4;
    color: rgba(160, 160, 168, 0.8);
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.footer-warning:last-child {
    margin-bottom: 0;
}

.footer-warning strong {
    color: var(--text-secondary);
    font-weight: 600;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .hero-content {
        padding: clamp(1.5rem, 6vh, 4rem) 0;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }
}

@media (max-width: 1200px) {
    .steps {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .step-icon, .feature-icon {
        font-size: 2.5rem;
    }

    .step-title, .feature-title {
        font-size: 1.05rem;
    }

    .step-description, .feature-description {
        font-size: 0.9rem;
    }
}

@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    html {
        scroll-snap-type: none;
    }

    .hero {
        min-height: auto;
        max-height: none;
        height: auto;
        padding-top: 70px;
        scroll-snap-align: none;
    }

    .hero-content {
        padding: clamp(2rem, 8vh, 4rem) 0;
        height: auto;
    }

    .section {
        min-height: auto;
        max-height: none;
        height: auto;
        overflow: visible;
        scroll-snap-align: none;
        display: block;
        padding: 3rem 0;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 3rem;
        display: flex;
        flex-direction: column;
    }

    .step {
        margin-bottom: 0;
    }

    .card {
        padding: var(--spacing-md);
        margin-bottom: 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        display: flex;
        flex-direction: column;
    }

    .section-header {
        margin-bottom: var(--spacing-lg);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

    .trust-badges {
        gap: var(--spacing-sm);
    }

    .badge-item {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }

    .why-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .why-visual {
        order: -1;
    }

    /* Telegram mockup responsive for tablets */
    .mockup-content {
        height: 420px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 640px) {
    .hero-content {
        padding: 1.5rem 0 2rem;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }

    .btn-hero-main {
        padding: 1rem 1.5rem;
    }

    .btn-title {
        font-size: 1rem;
    }

    .btn-subtitle {
        font-size: 0.7rem;
    }

    .trust-badges {
        flex-direction: column;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-md);
    }

    .badge-item {
        width: 100%;
        justify-content: center;
        padding: 0.875rem;
    }

    .step-number {
        width: 42px;
        height: 42px;
        font-size: 1.1rem;
        top: -12px;
        right: -12px;
    }

    .step {
        margin-bottom: 0;
        padding: var(--spacing-md);
    }

    .step-icon {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-sm);
    }

    .step-title {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-xs);
    }

    .step-description {
        font-size: 0.9rem;
    }

    .card {
        padding: var(--spacing-md);
        margin-bottom: 0;
    }

    .feature-card {
        margin-bottom: 0;
    }

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

    .feature-title {
        font-size: 1.05rem;
        margin-bottom: var(--spacing-xs);
    }

    .feature-description {
        font-size: 0.9rem;
    }

    .how-it-works-footer {
        margin-top: var(--spacing-xl);
    }

    .section {
        padding: 2.5rem 0;
    }

    .section-header {
        margin-bottom: var(--spacing-lg);
    }

    .steps {
        gap: 2rem;
    }

    .features-grid {
        gap: 2rem;
    }

    .why-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    /* Telegram mockup responsive */
    .mockup-content {
        height: 400px;
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .telegram-mockup {
        max-width: 100%;
    }

    .message-text {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

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

    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Cookie Consent Banner (RGPD)
   ======================================== */

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.98) 0%, rgba(15, 15, 25, 0.98) 100%);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md);
    z-index: 10000;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3);
    transform: translateY(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-consent.hidden {
    transform: translateY(100%);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.cookie-text {
    flex: 1;
}

.cookie-text p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.cookie-text p:first-child {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cookie-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.cookie-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.cookie-link {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: underline;
    transition: color var(--transition-base);
}

.cookie-link:hover {
    color: var(--primary-color);
}

/* Responsive Cookie Banner */
@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cookie-buttons .btn {
        width: 100%;
    }
}

/* ========================================
   Language Switcher
   ======================================== */

.language-switcher {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    margin-left: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    border-left: 1px solid var(--border-color);
}

.lang-btn {
    background: transparent;
    border: 2px solid transparent;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    transition: all var(--transition-base);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    line-height: 1;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
}

.lang-btn.active {
    background: var(--accent-gradient);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.lang-btn .flag {
    display: block;
    filter: grayscale(100%);
    transition: filter var(--transition-base);
}

.lang-btn:hover .flag,
.lang-btn.active .flag {
    filter: grayscale(0%);
}

/* Responsive Language Switcher */
@media (max-width: 768px) {
    .language-switcher {
        border-left: none;
        margin-left: 0;
        padding-left: 0;
        margin-top: var(--spacing-sm);
        justify-content: center;
    }
}

/* ========================================
   Écrans courts (Nest Hub, etc.)
   ======================================== */
@media (max-height: 700px) and (min-width: 768px) {
    /* Désactiver les contraintes de hauteur fixes */
    .section {
        min-height: auto !important;
        max-height: none !important;
        height: auto !important;
        overflow: visible !important;
        padding: 2rem 0;
    }

    .hero {
        min-height: auto !important;
        max-height: none !important;
        height: auto !important;
        padding-top: 70px;
    }

    /* Optimiser l'espace vertical */
    .section-header {
        margin-bottom: var(--spacing-md);
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xs);
    }

    .section-subtitle {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-sm);
    }

    /* Features cards - réduire l'espace */
    .features-grid {
        gap: var(--spacing-sm);
        grid-template-columns: repeat(3, 1fr);
    }

    .feature-card {
        padding: var(--spacing-sm);
    }

    .feature-icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-xs);
    }

    .feature-title {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-xs);
    }

    .feature-description {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    /* Steps - réduire l'espace */
    .steps {
        gap: var(--spacing-sm);
    }

    .step {
        padding: var(--spacing-sm);
    }

    .step-icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-xs);
    }

    .step-title {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-xs);
    }

    .step-description {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    /* Hero section */
    .hero-content {
        padding: 1.5rem 0;
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }

    /* Why section */
    .why-stats {
        gap: var(--spacing-sm);
    }

    .stat-item {
        padding: var(--spacing-sm);
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }
}