:root {
    /* Color Palette - Medical/AI Theme */
    --primary: #10b981; /* Emerald Green */
    --primary-light: #34d399;
    --primary-dark: #059669;
    --secondary: #14b8a6; /* Teal */
    --secondary-light: #2dd4bf;
    --accent: #0f766e;
    --accent-light: #0d9488;

    /* Gradients */
    --gradient-main: linear-gradient(135deg, #10b981 0%, #14b8a6 50%, #0ea5e9 100%);
    --gradient-hero: linear-gradient(135deg, #020617 0%, #0f172a 50%, #022c22 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    --gradient-cta: linear-gradient(135deg, #34d399 0%, #2dd4bf 100%);
    --gradient-button: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --dark: #020617; /* Slate 950 */

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-glow: 0 0 40px rgba(16, 185, 129, 0.3);
    --shadow-glow-hover: 0 0 60px rgba(20, 184, 166, 0.5);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--gray-300);
}

p {
    color: var(--gray-400);
    font-size: 1.125rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-main);
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-button);
    color: var(--dark);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-hover);
}

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 0;
    background-image: linear-gradient(135deg, rgba(2, 6, 23, 0.95) 0%, rgba(2, 44, 34, 0.8) 100%), url('/images/med_hero_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
    text-align: center;
}

/* Animated Background Elements */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 60%);
    animation: pulse 8s ease-in-out infinite;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, transparent 60%);
    animation: pulse 10s ease-in-out infinite reverse;
    z-index: 0;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 0.5; }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
}

.logo-wrapper {
    margin-bottom: var(--spacing-2xl);
    display: inline-block;
}

.logo-img {
    height: 120px;
    width: auto;
    filter: drop-shadow(0 0 20px rgba(16, 185, 129, 0.4));
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    background: var(--white);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .gradient-text {
    background: var(--gradient-cta);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

/* Subscribe Form */
.subscribe-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 0.5rem;
    backdrop-filter: blur(10px);
}

.subscribe-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0 var(--spacing-lg);
    color: var(--white);
    font-size: 1rem;
    outline: none;
}

.subscribe-input::placeholder {
    color: var(--gray-500);
}

.subscribe-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
}

/* Footer */
.footer {
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--dark);
    position: relative;
    z-index: 10;
}

.footer p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Responsive */
@media (max-width: 768px) {
    .subscribe-form {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
        gap: var(--spacing-md);
    }

    .subscribe-input {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-full);
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .subscribe-btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .logo-img {
        height: 80px;
    }
}