:root {
    /* Colors */
    --primary-color: #00a884; /* WhatsApp Green - Adjusted for contrast */
    --primary-dark: #008f6f;
    --secondary-color: #ffc107; /* Vivid Yellow/Amber */
    --accent-color: #ff5722; /* Deep Orange */
    --danger-color: #d32f2f; /* Red */
    
    --text-color: #333333;
    --text-light: #666666;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --container-width: 1200px;
    --header-height: 80px;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    gap: 10px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px rgba(0, 168, 132, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 168, 132, 0.6);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: #000;
    box-shadow: 0 4px 14px rgba(255, 193, 7, 0.4);
}

.btn-secondary:hover {
    background-color: #ffca2c;
    transform: translateY(-2px);
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 168, 132, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 168, 132, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 168, 132, 0);
    }
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Header */
.header {
    background-color: var(--bg-white);
    height: var(--header-height);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 600;
    color: var(--text-color);
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.header-cta {
    display: none;
}

@media (min-width: 768px) {
    .header-cta {
        display: block;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1486262715619-67b85e0b08d3?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    background-color: #1a1a1a; /* Fallback */
    color: white;
    padding: 100px 0;
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-badge {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255,255,255,0.2);
}

/* About Section */
.about {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: center;
}

@media (min-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.trust-indicators {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.trust-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.trust-label {
    font-weight: 600;
    color: var(--text-light);
}

/* Differentiators (Features) */
.features {
    padding: 80px 0;
    background-color: #f0fdf4; /* Very light green */
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s;
    text-align: center;
    border-bottom: 4px solid var(--primary-color);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.stars {
    color: #ffc107;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    color: #4a4a4a;
}

.testimonial-author {
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.testimonial-location {
    font-weight: 400;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* How to Buy */
.how-to-buy {
    padding: 80px 0;
    background-color: #1a1a1a;
    color: white;
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

@media (min-width: 768px) {
    .steps-container {
        flex-direction: row;
        justify-content: space-between;
    }
}

.step-item {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--secondary-color);
    color: #000;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

/* Shipping */
.shipping {
    padding: 60px 0;
    background-color: var(--bg-white);
    text-align: center;
}

.shipping-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
    flex-wrap: wrap;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #666;
    opacity: 0.7;
}

/* Final CTA */
.cta-final {
    padding: 100px 0;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
    text-align: center;
    color: white;
}

.cta-final h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta-final p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background-color: #111;
    color: #999;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    z-index: 2000;
    transition: transform 0.3s;
    font-size: 30px;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-menu {
        display: none; /* Add mobile menu logic later if needed, or simple anchor list */
    }
    
    .cta-final h2 {
        font-size: 2rem;
    }
    
    .cta-final p {
        font-size: 1.1rem;
    }
}