/* CSS Variables & Reset */
:root {
    /* Theme Colors */
    --color-primary: #1B4D3E; /* Dark Green */
    --color-primary-light: #2C6E5A;
    --color-accent: #8B0000; /* Dark Red */
    --color-accent-light: #A52A2A;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #F9F9F9;
    --color-white: #FFFFFF;
    --color-hero-overlay: rgba(0, 0, 0, 0.6);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    width: 90%;
    max-width: 400px; /* Mobile first constraint */
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1200px;
    }
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    gap: 0.5rem;
}

.btn-primary {
    background-color: #25D366; /* WhatsApp Green */
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-form {
    background-color: var(--color-primary);
    color: var(--color-white);
    width: 100%;
}

.btn-form:hover {
    background-color: var(--color-primary-light);
}

/* Header */
.header {
    background-color: var(--color-white);
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo .highlight {
    color: var(--color-accent);
}

/* Hero Section */
.hero {
    position: relative;
    background-color: var(--color-primary); /* Fallback */
    /* Using a gradient to simulate an image overlay for now */
    background: linear-gradient(135deg, var(--color-primary) 0%, #0d2e23 100%); 
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.cta-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.hero-trust {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Waitlist Section */
.waitlist-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg);
    margin-top: -2rem; /* Overlap effect */
    position: relative;
    z-index: 3;
}

.waitlist-box {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    border-top: 5px solid var(--color-accent);
}

.waitlist-box h2 {
    margin-bottom: var(--spacing-xs);
}

.waitlist-box p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.waitlist-form .form-group {
    margin-bottom: 1rem;
}

.waitlist-form input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.form-note {
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* Benefits Section */
.benefits-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.benefit-card {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    background-color: var(--color-bg);
}

.icon-box {
    width: 60px;
    height: 60px;
    background-color: rgba(27, 77, 62, 0.1);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-sm);
}

/* How It Works */
.how-it-works {
    padding: var(--spacing-lg) 0;
    background-color: #E8F5E9; /* Very light green */
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.step {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    position: relative;
    text-align: center;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto var(--spacing-xs);
}

/* Categories Preview */
.categories-preview {
    padding: var(--spacing-lg) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.cat-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    padding: 1.5rem;
    text-align: center;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.3s;
    cursor: default;
}

.cat-card:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Trust & Guarantee */
.trust-guarantee {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
}

.guarantee-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.g-item i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #4ADE80; /* Brighter green for icons on dark bg */
}

.g-item h4 {
    color: var(--color-white);
    margin-bottom: 0.25rem;
}

.g-item p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* FAQ */
.faq-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg);
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    text-align: left;
    padding: 1rem;
    background: none;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.accordion-header i {
    transition: transform 0.3s ease;
}

.accordion-header.active i {
    transform: rotate(180deg);
}

.accordion-item .accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1rem;
}

.accordion-item .accordion-content p {
    padding-bottom: 1rem;
    color: var(--color-text-light);
}

/* Footer */
.footer {
    background-color: #111;
    color: #eee;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.footer-contact h4 {
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--color-white);
    font-size: 1.2rem;
}

.social-links a:hover {
    color: var(--color-accent);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.copyright {
    text-align: center;
    border-top: 1px solid #333;
    padding-top: var(--spacing-md);
    font-size: 0.8rem;
    color: #888;
}

/* Tablet & Desktop Overrides */
@media (min-width: 768px) {
    .cta-group {
        flex-direction: row;
        justify-content: center;
    }

    .benefits-grid, .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .steps-container {
        flex-direction: row;
    }
    
    .step {
        flex: 1;
    }

    .guarantee-grid {
        flex-direction: row;
    }

    .g-item {
        flex: 1;
    }

    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}