:root {
    /* Premium Herbalife-inspired Palette */
    --primary: #78be20;
    /* Fresh Green */
    --primary-dark: #5da012;
    --secondary: #2C3E50;
    /* Deep Slate */
    --accent: #F1C40F;
    /* Gold/Energy */
    --text-dark: #1a1a1a;
    --text-light: #f8f9fa;
    --bg-light: #f4f7f6;
    --white: #ffffff;
    --gradient-main: linear-gradient(135deg, #78be20 0%, #2ecc71 100%);
    --gradient-dark: linear-gradient(135deg, #2C3E50 0%, #000000 100%);
    --shadow-sm: 0 5px 15px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 15px 30px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
    background: var(--gradient-main);
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-dark);
    border: 2px solid var(--primary);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
}

.text-center {
    text-align: center;
}

.section-padding {
    padding: 4rem 0;
}

.hidden {
    display: none;
}

.mt-2 {
    margin-top: 2rem;
}

.bg-white {
    background: var(--white);
}

/* Sticky Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-dark);
}

/* Footer */
footer {
    background: var(--secondary);
    color: var(--text-light);
    padding: 3rem 0;
    text-align: center;
}

footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-links p {
    margin-bottom: 0.5rem;
}

/* Anim */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeIn 0.8s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

/* Hero */
.hero-section {
    padding: 120px 0 80px;
    /* Space for fixed header */
    background: radial-gradient(circle at top right, #f0fdf4, #ffffff);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero-media {
    flex: 1;
    text-align: center;
}

.hero-image {
    max-width: 80%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
}

.headline {
    font-size: 3.5rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary);
}

.sub-highlight {
    color: var(--primary-dark);
    font-size: 0.8em;
    display: block;
    margin-top: 0.5rem;
}

.subheadline {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-benefits li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-pulse {
    animation: pulse 2s infinite;
    font-size: 1.25rem;
    padding: 1.2rem 3rem;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(120, 190, 32, 0.7);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(120, 190, 32, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(120, 190, 32, 0);
    }
}

.micro-copy {
    font-size: 0.9rem;
    color: #666;
    margin-top: 1rem;
}

/* Pain Grid */
.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.pain-item {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.pain-item:hover {
    transform: translateY(-5px);
}

.pain-item .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.step-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--radius);
    border: 1px solid #eee;
    position: relative;
    overflow: hidden;
}

.step-number {
    background: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 1rem;
}

/* Two Col */
.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.check-list li {
    margin-bottom: 0.5rem;
    padding-left: 25px;
    position: relative;
}

.check-list li::before {
    content: '✓';
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* FAQ */
.faq-grid {
    max-width: 800px;
    margin: 3rem auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid #eee;
    cursor: pointer;
}

.faq-item summary {
    font-weight: bold;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary);
}

.faq-item[open] summary::after {
    content: '-';
}

.faq-item p {
    margin-top: 1rem;
    color: #555;
}

/* Section Title */
.section-title {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 3rem;
    text-align: center;
}

/* Videos */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .section-padding {
        padding: 3rem 0;
    }

    .headline {
        font-size: 2.2rem;
    }

    .mobile-reverse {
        flex-direction: column-reverse;
    }

    .hero-content {
        padding-right: 0;
        text-align: center;
    }

    .hero-image {
        margin-bottom: 2rem;
        max-width: 100%;
    }

    .two-col-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-benefits {
        display: inline-block;
        text-align: left;
        margin: 1rem 0;
    }

    .hero-benefits li {
        justify-content: center;
    }
}

/* Utilities Extras */
.mb-2 {
    margin-bottom: 2rem;
}

.mt-1 {
    margin-top: 1rem;
}

.text-left {
    text-align: left;
}

/* Coach Badge */
.hero-badge-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.coach-badge {
    width: 200px;
    height: auto;
    max-width: 100%;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
}

.coach-badge:hover {
    transform: scale(1.05) rotate(5deg);
}