/* Base styles and reset */
:root {
    --primary-color: #22C55E;
    --secondary-color: #10B981;
    --dark-color: #064E3B;
    --light-color: #ECFDF5;
    --text-color: #111827;
    --light-text: #4B5563;
    --background: #F9FAFB;
    --card-background: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --border-radius: 10px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

a:hover {
    color: var(--dark-color);
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

h2:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Header */
header {
    background-color: var(--card-background);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo-icon {
    display: block;
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    font-weight: 600;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--primary-color) 100%);
    color: white;
    text-align: center;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 0.875rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.125rem;
    transition: var(--transition);
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.cta-button:hover {
    background: var(--light-color);
    color: var(--dark-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

.cta-button.large {
    padding: 1.125rem 3rem;
    font-size: 1.25rem;
}

.cta-center {
    text-align: center;
    margin-top: 3rem;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--light-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 1rem;
}

.feature-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-bottom: 4px solid var(--primary-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.feature-icon {
    margin-bottom: 1.75rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Examples Section */
.examples {
    padding: 6rem 0;
    background-color: var(--background);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.example-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

.example-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.example-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.example-card p {
    margin-bottom: 1.5rem;
    color: var(--light-text);
}

.example-link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 0.5rem;
    position: relative;
}

.example-link::after {
    content: '→';
    margin-left: 0.5rem;
    transition: var(--transition);
}

.example-link:hover::after {
    margin-left: 0.75rem;
}

/* Generate Section */
.generate {
    padding: 5rem 0;
    background-color: var(--dark-color);
    color: white;
    text-align: center;
}

.generate h2:after {
    background: white;
}

.generate p {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: #D1D5DB;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #9CA3AF;
}

/* Responsive Styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.25rem;
    }
    
    .features, .examples {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo {
        margin-bottom: 2rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.125rem;
    }
}

/* Mobile Menu (activated by JS) */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--card-background);
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mobile-nav a {
    font-size: 1.5rem;
    font-weight: 600;
}

.close-menu {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 2rem;
    color: var(--text-color);
}

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-card, .example-card {
    animation: fadeIn 0.5s ease forwards;
}

.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.4s; }

.example-card:nth-child(2) { animation-delay: 0.2s; }
.example-card:nth-child(3) { animation-delay: 0.4s; }