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

:root {
    --primary-color: #007AFF;      /* Bleu Apple classique */
    --secondary-color: #00D4FF;
    --accent-color: #00CBA9;
    --bg-color: #FBFBFD;           /* Fond clair Apple-style */
    --card-bg: #FFFFFF;
    --light-bg: #F5F5F7;
    --dark-text: #1D1D1F;          /* Texte presque noir Apple */
    --gray-text: #86868B;          /* Texte secondaire gris */
    --border-color: #D2D2D7;
    --gradient: linear-gradient(135deg, #007AFF 0%, #00D4FF 100%);
    --gradient-subtle: linear-gradient(180deg, #FFFFFF 0%, #F5F5F7 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 40px rgba(0, 122, 255, 0.1);
    --glow: 0 4px 15px rgba(0, 122, 255, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background Pattern (Subtle for Light Mode) */
.bg-pattern {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0.03;
    background-image:
        radial-gradient(circle at 20% 80%, var(--primary-color) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--secondary-color) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, var(--accent-color) 0%, transparent 40%);
    animation: floatPattern 20s ease-in-out infinite;
}

@keyframes floatPattern {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, -20px) rotate(1deg); }
    66% { transform: translate(20px, -10px) rotate(-1deg); }
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-color) 100%);
}

.hero-content {
    max-width: 1200px;
    width: 100%;
}

.hero-content, .hero-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--gray-text);
    margin-bottom: 2.5rem;
    font-weight: 400;
    max-width: 650px;
    line-height: 1.7;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient);
    color: #FFFFFF;
    border-radius: 14px;
    padding: 18px 40px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 1.15rem;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 122, 255, 0.3);
}

.btn-secondary {
    background: #FFFFFF;
    color: var(--primary-color);
    border-radius: 14px;
    padding: 18px 40px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 1.15rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background: var(--light-bg);
    transform: translateY(-3px);
}

.apple-logo {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.platform-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.2rem;
    background: var(--card-bg);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--gray-text);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

/* ===== BEFORE/AFTER DEMO SECTION ===== */
.demo-section {
    padding: 6rem 2rem;
    background: #FFFFFF;
    text-align: center;
}

.demo-container {
    max-width: 1000px;
    margin: 0 auto;
}

.demo-section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.demo-section > .demo-container > p {
    font-size: 1.2rem;
    color: var(--gray-text);
    margin-bottom: 4rem;
}

.before-after {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2.5rem;
    align-items: center;
    margin-bottom: 3rem;
}

.before-panel, .after-panel {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    box-shadow: var(--shadow);
}

.before-panel:hover, .after-panel:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.before-panel {
    background: #FFF9F9;
    border-color: #FEE2E2;
}

.after-panel {
    background: #F0FDF4;
    border-color: #DCFCE7;
}

.panel-label {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 2rem;
}

.before-panel .panel-label {
    background: #FEE2E2;
    color: #EF4444;
}

.after-panel .panel-label {
    background: #DCFCE7;
    color: #10B981;
}

/* Timeline visualization */
.timeline-vis {
    display: flex;
    gap: 4px;
    height: 60px;
    align-items: end;
    margin-bottom: 1.5rem;
    padding: 0 0.5rem;
}

.timeline-bar {
    flex: 1;
    border-radius: 4px 4px 0 0;
    min-height: 8px;
    transition: height 0.3s ease;
}

.timeline-bar.audio {
    background: #CBD5E1;
}

.timeline-bar.silence {
    background: #FCA5A5;
}

.timeline-bar.cut {
    background: var(--primary-color);
}

.panel-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: var(--gray-text);
}

.panel-stats strong {
    color: var(--dark-text);
}

.arrow-separator {
    font-size: 2.5rem;
    color: var(--primary-color);
    opacity: 0.4;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { opacity: 0.3; transform: translateX(0); }
    50% { opacity: 0.6; transform: translateX(5px); }
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: 6rem 2rem;
    background: var(--light-bg);
    text-align: center;
}

.how-it-works h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    color: var(--dark-text);
    font-weight: 700;
}

.how-it-works > p {
    font-size: 1.2rem;
    color: var(--gray-text);
    margin-bottom: 4.5rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step-card {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    color: #FFFFFF;
    margin: 0 auto 2rem;
}

.step-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.step-card p {
    color: var(--gray-text);
    font-size: 1.05rem;
}

/* ===== BENEFITS SECTION ===== */
.section-container {
    background: #FFFFFF;
    padding: 6rem 0;
}

.benefits {
    padding: 0 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.benefits h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 4rem;
    color: var(--dark-text);
    font-weight: 700;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.benefit-card {
    background: var(--card-bg);
    padding: 3rem 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
    color: var(--dark-text);
}

.benefit-card p {
    color: var(--gray-text);
    font-size: 1.1rem;
}

/* ===== TARGET USERS SECTION ===== */
.target-users {
    padding: 6rem 2rem;
    background: var(--light-bg);
    text-align: center;
}

.target-users h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.user-card {
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.user-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
}

.user-card .user-icon {
    font-size: 2.8rem;
    margin-bottom: 1.2rem;
}

.user-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

/* ===== CTA FINAL ===== */
.cta {
    text-align: center;
    padding: 8rem 2rem;
    background: linear-gradient(180deg, var(--light-bg) 0%, #FFFFFF 100%);
}

.cta h2 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--dark-text);
    font-weight: 800;
}

.cta p {
    font-size: 1.4rem;
    color: var(--gray-text);
    margin-bottom: 3.5rem;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-color);
    background: #FFFFFF;
}

footer p {
    color: var(--gray-text);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== PRICING SECTION ===== */
.pricing {
    padding: 6rem 2rem;
    background: #FFFFFF;
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
    margin-top: 4rem;
}

.pricing-card {
    background: var(--card-bg);
    padding: 3rem 2.5rem;
    border-radius: 28px;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    text-align: left;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    border-width: 2px;
    position: relative;
    overflow: hidden;
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary-color);
    color: white;
    padding: 8px 40px;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-text);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--dark-text);
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.price span {
    font-size: 1.1rem;
    color: var(--gray-text);
    font-weight: 500;
}

.price-detail {
    margin-bottom: 2rem;
    color: var(--gray-text);
    font-size: 0.95rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2.5rem;
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--dark-text);
    font-size: 1.05rem;
}

.feature-icon {
    color: #10B981;
    font-weight: bold;
    flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .before-after {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .arrow-separator {
        transform: rotate(90deg);
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}