* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

body {
    background-color: #121212;
    color: #fff;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(31, 31, 31, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 32px;
    color: #ff5722;
}

.logo span {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(45deg, #ff5722, #ff9800);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-header nav a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.site-header nav a:hover {
    color: #007bff;
}

/* Special Try Demo Button */
.cta-button {
    background-color: #ff5722;
    color: #fff;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.5);
}

.cta-button:hover {
    background-color: #e64a19;
    transform: translateY(-3px);
}

/* Darker Hero Banner with Enhanced Wave Animation */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(270deg, #0d0d0d, #1a1a1a);
    background-size: 400% 400%;
    animation: backgroundAnimation 15s ease infinite;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.1));
    z-index: -2;
}

.hero .wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://via.placeholder.com/1920x1080?text=Medical+AI+Background') no-repeat center center/cover;
    filter: brightness(0.3);
    z-index: -1;
    animation: waveAnimation 20s infinite linear;
}

.hero-content {
    max-width: 900px;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #e0e0e0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* New Background Animation */
@keyframes backgroundAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Hero Section Updates */
.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.hero-features span {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 1.1rem;
    animation: scaleIn 0.5s ease-out forwards;
}

.hero-features i {
    color: #ff5722;
}

/* Features Section */
.features {
    position: relative;
    overflow: hidden;
    padding: 100px 20px;
    background-color: #1a1a1a;
}

.features-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 87, 34, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 123, 255, 0.05) 0%, transparent 50%);
    animation: backgroundPulse 10s ease-in-out infinite;
    z-index: 0;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.features h2 {
    position: relative;
    z-index: 1;
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 60px;
    color: #fff;
}

.features-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #2a2a2a;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: scaleIn 0.5s ease-out forwards;
    opacity: 0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-card i {
    font-size: 2.5rem;
    color: #ff5722;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.feature-card p {
    color: #b0b0b0;
    line-height: 1.6;
}

/* Footer */
.footer {
    position: relative;
    background: linear-gradient(to bottom, #1a1a1a, #121212);
    padding: 80px 20px 30px;
    color: #fff;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 24px;
    color: #ff5722;
}

.footer-logo span {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
}

.footer-info p {
    color: #b0b0b0;
    line-height: 1.6;
    font-size: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-nav h4,
.footer-social h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-nav nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-nav a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #ff5722;
}

.footer-social .social-media {
    display: flex;
    gap: 20px;
}

.footer-social .social-media a {
    color: #b0b0b0;
    font-size: 20px;
    transition: color 0.3s ease, transform 0.3s ease;
}

.footer-social .social-media a:hover {
    color: #ff5722;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #808080;
    font-size: 14px;
}

/* Responsive Updates */
@media (max-width: 768px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 20px;
    }

    .site-header nav {
        margin: 10px 0;
        display: flex;
        flex-wrap: wrap;
    }

    .site-header nav a {
        margin: 5px 10px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .hero-features span {
        font-size: 1rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Animations */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.features-grid .feature-card:nth-child(1) { animation-delay: 0.2s; }
.features-grid .feature-card:nth-child(2) { animation-delay: 0.4s; }
.features-grid .feature-card:nth-child(3) { animation-delay: 0.6s; }
.features-grid .feature-card:nth-child(4) { animation-delay: 0.8s; }

/* Add smooth scrolling */
html {
    scroll-behavior: smooth;
}