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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 50%, #f8fafc 100%);
    min-height: 100vh;
    position: relative;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 2rem 0;
    text-align: center;
    background: linear-gradient(135deg, #2c3e50, #1a252f);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.02) 50%,
            transparent 70%);
    pointer-events: none;
}

header::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center,
            transparent 0%,
            rgba(102, 126, 234, 0.03) 50%,
            transparent 100%);
    pointer-events: none;
}

.logo-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.logo {
    height: 90px;
    width: 175px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 6px 24px rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.logo:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.4);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.subtitle {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    font-weight: 300;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

main {
    padding: 4rem 0;
}

.hero-section {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.project-description {
    background: white;
    border-radius: 25px;
    padding: 3rem;
    margin: 0 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.project-description h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2d3748;
    font-weight: 700;
}

.project-description p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #4a5568;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-top: 4px solid #667eea;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
    border-top-color: #e74c3c;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

.feature-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

.cta-section {
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 30px;
    padding: 3rem 2rem;
    margin: 2rem 0 4rem 0;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    animation: rotate 20s linear infinite;
    z-index: -1;
}

.demo-description {
    font-size: 1.1rem;
    color: #4a5568;
    margin-top: 1.5rem;
    font-style: italic;
}

.demo-button {
    display: inline-block;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 1.5rem 4rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(231, 76, 60, 0.4);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    animation: pulse 3s ease-in-out infinite;
}

.demo-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.demo-button:hover::before {
    left: 100%;
}

.demo-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(231, 76, 60, 0.6);
    background: linear-gradient(135deg, #c0392b, #a93226);
}

.demo-button:active {
    transform: translateY(-2px) scale(1.02);
}

footer {
    background: linear-gradient(135deg, rgba(45, 55, 72, 0.95), rgba(26, 32, 44, 0.95));
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    padding: 2rem 0;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(102, 126, 234, 0.3);
    box-shadow: 0 -4px 20px rgba(102, 126, 234, 0.1);
}

.contact-section {
    margin-bottom: 1rem;
}

.contact-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-section a:hover {
    color: white;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .logo-section {
        gap: 1rem;
    }

    .logo {
        height: 70px;
        width: 140px;
        padding: 0.6rem 1rem;
    }

    .project-description {
        padding: 2rem;
    }

    .project-description h2 {
        font-size: 2rem;
    }

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

    .demo-button {
        padding: 1rem 2.5rem;
        font-size: 1.1rem;
    }

    .cta-section {
        padding: 2rem 1.5rem;
        margin: 1rem 0 3rem 0;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    25% {
        transform: translateY(-20px) rotate(90deg);
    }

    50% {
        transform: translateY(-10px) rotate(180deg);
    }

    75% {
        transform: translateY(-25px) rotate(270deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 10px 25px rgba(231, 76, 60, 0.4);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 15px 35px rgba(231, 76, 60, 0.6);
        transform: scale(1.02);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}