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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --dark-bg: #0f172a;
    --light-bg: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --accent: #a78bfa;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1e1b4b 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Animated Logo Styles */
.aivolet-logo-animated {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    display: inline-flex;
    align-items: baseline;
    letter-spacing: -0.02em;
    background: transparent;
}

/* AI Part Styles */
.aivolet-logo-animated .ai-part {
    display: inline-flex;
    position: relative;
}

.aivolet-logo-animated .ai-part .letter {
    background: linear-gradient(135deg, #8B7CFF 0%, #C77DFF 50%, #E0AAFF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    opacity: 0;
    display: inline-block;
}

.aivolet-logo-animated .ai-part .letter::before {
    content: attr(data-letter);
    position: absolute;
    top: 0;
    left: 0;
    color: #8B7CFF;
    filter: blur(20px);
    opacity: 0;
    animation: logo-glow-pulse 0.6s ease-out infinite;
}

.aivolet-logo-animated .ai-part .letter::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(139, 124, 255, 0.6), rgba(199, 125, 255, 0.4) 50%, transparent 70%);
    opacity: 0;
    animation: logo-particle-burst 0.8s ease-out infinite;
}

.aivolet-logo-animated .letter-a {
    animation: logo-fade-in-glow-a 5.5s ease-out infinite;
}

.aivolet-logo-animated .letter-a::before {
    animation: logo-glow-pulse-a 5.5s ease-out infinite;
}

.aivolet-logo-animated .letter-a::after {
    animation: logo-particle-burst-a 5.5s ease-out infinite;
}

.aivolet-logo-animated .letter-i {
    animation: logo-fade-in-glow-i 5.5s ease-out infinite;
}

.aivolet-logo-animated .letter-i::before {
    animation: logo-glow-pulse-i 5.5s ease-out infinite;
}

.aivolet-logo-animated .letter-i::after {
    animation: logo-particle-burst-i 5.5s ease-out infinite;
}

/* Volet Part Styles */
.aivolet-logo-animated .volet-part {
    display: inline-flex;
}

.aivolet-logo-animated .volet-part .letter {
    color: #E6E8FF;
    opacity: 0;
    transform: translateY(-30px) scale(0.8);
    display: inline-block;
}

.aivolet-logo-animated .letter-v {
    animation: logo-drop-in-v 5.5s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.aivolet-logo-animated .letter-o {
    animation: logo-drop-in-o 5.5s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.aivolet-logo-animated .letter-l {
    animation: logo-drop-in-l 5.5s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.aivolet-logo-animated .letter-e {
    animation: logo-drop-in-e 5.5s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.aivolet-logo-animated .letter-t {
    animation: logo-drop-in-t 5.5s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

/* Looping Keyframe Animations - All synchronized to 3.5s cycle */

/* Letter A animations */
@keyframes logo-fade-in-glow-a {
    0% {
        opacity: 0;
        transform: scale(0.9);
        filter: blur(4px) brightness(0.5);
    }
    7% {
        opacity: 0.8;
        filter: blur(2px) brightness(1.2);
    }
    16% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0) brightness(1.1);
        text-shadow: 
            0 0 30px rgba(139, 124, 255, 0.8),
            0 0 60px rgba(139, 124, 255, 0.5),
            0 0 90px rgba(199, 125, 255, 0.3);
    }
    55% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0) brightness(1.1);
        text-shadow: 
            0 0 30px rgba(139, 124, 255, 0.8),
            0 0 60px rgba(139, 124, 255, 0.5),
            0 0 90px rgba(199, 125, 255, 0.3);
    }
    100% {
        opacity: 0;
        transform: scale(0.9);
        filter: blur(4px) brightness(0.5);
    }
}

@keyframes logo-glow-pulse-a {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    8.5% {
        opacity: 0.8;
    }
    23% {
        opacity: 0;
        transform: scale(1.5);
    }
    100% {
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes logo-particle-burst-a {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    6.5% {
        opacity: 0.6;
    }
    23% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(2);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
}

/* Letter I animations */
@keyframes logo-fade-in-glow-i {
    0% {
        opacity: 0;
        transform: scale(0.9);
        filter: blur(4px) brightness(0.5);
    }
    12% {
        opacity: 0.8;
        filter: blur(2px) brightness(1.2);
    }
    22% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0) brightness(1.1);
        text-shadow: 
            0 0 30px rgba(139, 124, 255, 0.8),
            0 0 60px rgba(139, 124, 255, 0.5),
            0 0 90px rgba(199, 125, 255, 0.3);
    }
    55% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0) brightness(1.1);
        text-shadow: 
            0 0 30px rgba(139, 124, 255, 0.8),
            0 0 60px rgba(139, 124, 255, 0.5),
            0 0 90px rgba(199, 125, 255, 0.3);
    }
    100% {
        opacity: 0;
        transform: scale(0.9);
        filter: blur(4px) brightness(0.5);
    }
}

@keyframes logo-glow-pulse-i {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    17% {
        opacity: 0.8;
    }
    31% {
        opacity: 0;
        transform: scale(1.5);
    }
    100% {
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes logo-particle-burst-i {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    17% {
        opacity: 0.6;
    }
    31% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(2);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
}

/* Volet letter animations */
@keyframes logo-drop-in-v {
    0% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    29% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    36% {
        transform: translateY(5px) scale(1.05);
    }
    40% {
        transform: translateY(-2px) scale(0.98);
    }
    43% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    55% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
}

@keyframes logo-drop-in-o {
    0% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    32% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    40% {
        transform: translateY(5px) scale(1.05);
    }
    43% {
        transform: translateY(-2px) scale(0.98);
    }
    47% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    55% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
}

@keyframes logo-drop-in-l {
    0% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    36% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    43% {
        transform: translateY(5px) scale(1.05);
    }
    47% {
        transform: translateY(-2px) scale(0.98);
    }
    51% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    55% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
}

@keyframes logo-drop-in-e {
    0% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    41% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    47% {
        transform: translateY(5px) scale(1.05);
    }
    51% {
        transform: translateY(-2px) scale(0.98);
    }
    55% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    55% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
}

@keyframes logo-drop-in-t {
    0% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    45% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    51% {
        transform: translateY(5px) scale(1.05);
    }
    55% {
        transform: translateY(-2px) scale(0.98);
    }
    59% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    62% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
}

.aivolet-logo-animated .ai-part .letter {
    filter: brightness(1.1) drop-shadow(0 0 20px rgba(139, 124, 255, 0.8));
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 100px 0;
    position: relative;
}

.hero-content h2 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 18px 45px;
    font-size: 1.1rem;
}

/* Hero Illustration */
.hero-illustration {
    position: relative;
    height: 400px;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: var(--primary-color);
    top: 0;
    left: 0;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: var(--secondary-color);
    top: 100px;
    right: 50px;
    animation-delay: 2s;
}

.shape-3 {
    width: 180px;
    height: 180px;
    background: var(--accent);
    bottom: 0;
    left: 100px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.05);
    }
}

/* Features Section */
.features {
    padding: 80px 0;
    text-align: center;
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 80px 0;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    font-weight: 700;
}

.about p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 20px;
    margin: 40px 0;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.contact p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Footer */
footer {
    padding: 40px 0;
    margin-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 60px 0;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .hero-illustration {
        height: 300px;
        margin-top: 40px;
    }

    nav ul {
        gap: 15px;
    }

    nav a {
        font-size: 0.9rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .cta-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .features h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
    }
}