/* CSS Variables for Color Palette */
:root {
    /* Soft Pastel Colors */
    --color-cream: #F5F1EB;
    --color-light-brown: #E8D5C4;
    --color-sage-green: #C8D5B8;
    --color-soft-yellow: #F5E6A8;
    --color-muted-blue: #B8D4E3;
    --color-lavender: #E1D7E8;
    
    /* Contrast Colors */
    --color-dark-gray: #4A4A4A;
    --color-rich-brown: #8B4513;
    --color-deep-green: #2D5A3D;
    --color-navy: #2C3E50;
    --color-black: #1A1A1A;
    
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-light-gray: #F8F9FA;
    --color-medium-gray: #6C757D;
    
    /* Spacing System (8px base) */
    --spacing-xs: 0.5rem;  /* 8px */
    --spacing-sm: 1rem;    /* 16px */
    --spacing-md: 1.5rem;  /* 24px */
    --spacing-lg: 2rem;    /* 32px */
    --spacing-xl: 3rem;    /* 48px */
    --spacing-xxl: 4rem;   /* 64px */
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Border Radius */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    
    /* Shadows */
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-dark-gray);
    background-color: var(--color-white);
    font-weight: var(--font-weight-regular);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: var(--font-weight-semibold);
    color: var(--color-navy);
}

h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

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

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

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    color: var(--color-rich-brown);
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--color-dark-gray);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: var(--color-light-brown);
    color: var(--color-rich-brown);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-dark-gray);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-light-brown) 100%);
    padding: var(--spacing-xxl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-bold);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 280px;
    height: 500px;
    background: linear-gradient(145deg, var(--color-dark-gray), var(--color-black));
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.whatsapp-chat {
    height: 100%;
    background-color: #E5DDD5;
    display: flex;
    flex-direction: column;
}

.chat-header {
    background-color: #075E54;
    color: white;
    padding: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.chat-messages {
    flex: 1;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.message {
    background-color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    max-width: 80%;
    box-shadow: var(--shadow-sm);
}

.message.bot {
    align-self: flex-start;
    background-color: var(--color-white);
}

.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-sm);
}

.product-image {
    width: 100%;
    height: 80px;
    background: linear-gradient(45deg, var(--color-sage-green), var(--color-muted-blue));
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.product-info h4 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    color: var(--color-navy);
}

.price {
    color: var(--color-rich-brown);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-navy);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Features Section */
.features {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-light-gray);
}

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

.section-header h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-navy);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-medium-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-top: 4px solid var(--color-sage-green);
}

.feature-card:nth-child(even) {
    border-top-color: var(--color-muted-blue);
}

.feature-card:nth-child(3n) {
    border-top-color: var(--color-soft-yellow);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-navy);
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-light-brown) 100%);
    border-radius: var(--radius-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--color-rich-brown);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-navy);
}

/* CTA Section */
.cta {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-sage-green) 0%, var(--color-muted-blue) 100%);
    text-align: center;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
}

.cta-content p {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--color-white);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.7;
}

/* Privacy Policy Styles */
.privacy-page {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.privacy-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-light-brown) 100%);
    border-radius: var(--radius-lg);
}

.privacy-header h1 {
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.last-updated {
    color: var(--color-medium-gray);
    font-style: italic;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-section {
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-light-brown);
}

.privacy-section:last-child {
    border-bottom: none;
}

.privacy-section h2 {
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
}

.privacy-section h3 {
    color: var(--color-rich-brown);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
    font-size: 1.25rem;
}

.privacy-section ul {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.privacy-section li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.contact-info {
    background-color: var(--color-light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        padding-top: var(--spacing-xl);
        gap: var(--spacing-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .phone-mockup {
        width: 240px;
        height: 420px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .privacy-content {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto var(--spacing-sm) auto;
    }
    
    .phone-mockup {
        width: 200px;
        height: 360px;
        padding: 15px;
    }
}