:root {
    /* BIONUTRICIONAL Color Palette */
    --primary: #001F3F;
    /* Deep Blue */
    --primary-light: #003366;
    --secondary: #32CD32;
    /* Lime Green */
    --secondary-light: #7FFF00;
    --accent: #FFD700;
    /* Gold for urgency/offers */
    --background: #FFFFFF;
    --surface: #F8F9FA;
    --text: #001F3F;
    --text-light: #546E7A;
    --white: #FFFFFF;
    --error: #FF4444;
    --success: #32CD32;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 31, 63, 0.05);
    --shadow-md: 0 8px 20px rgba(0, 31, 63, 0.1);
    --shadow-lg: 0 15px 35px rgba(0, 31, 63, 0.15);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 24px;

    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Vibrant Animations */
@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes glow {
    0% {
        box-shadow: 0 0 5px rgba(50, 205, 50, 0.2);
    }

    50% {
        box-shadow: 0 0 20px rgba(50, 205, 50, 0.6);
    }

    100% {
        box-shadow: 0 0 5px rgba(50, 205, 50, 0.2);
    }
}

.animate-up {
    animation: fadeInSlideUp 0.8s ease-out forwards;
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Navbar */
header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--secondary);
}

/* Sections */
section {
    padding: var(--spacing-lg) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-title h2 {
    font-size: 3rem;
    color: var(--primary);
    text-transform: uppercase;
}

.section-title h2 span {
    color: var(--secondary);
}

/* Hero Section (VSL Style) */
.hero {
    background: radial-gradient(circle at top right, var(--primary-light), var(--primary));
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
    opacity: 0.05;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.hero h1 span {
    color: var(--secondary);
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    font-weight: 300;
}

.vsl-container {
    background: #000;
    aspect-ratio: 16/9;
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    border-radius: var(--radius-md);
    box-shadow: 0 0 50px rgba(50, 205, 50, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.vsl-container i {
    font-size: 5rem;
    color: var(--secondary);
    opacity: 0.8;
}

.vsl-container:hover i {
    opacity: 1;
    transform: scale(1.1);
}

.combo-badge {
    background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
    color: var(--primary);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 800;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 0 20px rgba(50, 205, 50, 0.4);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--primary);
}

.btn-accent {
    background: linear-gradient(90deg, var(--accent), #FFA500);
    color: var(--primary);
    animation: glow 2s infinite;
}

.btn-accent:hover {
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 15px 30px rgba(255, 215, 0, 0.4);
}

/* Product Card */
.product-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
    border: 1px solid rgba(0, 31, 63, 0.05);
    text-align: center;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }
}