/* Global Styles - Google Material Design Colors */
:root {
    --google-blue: #4285f4;
    --google-red: #ea4335;
    --google-yellow: #fbbc04;
    --google-green: #34a853;
    --primary-color: #4285f4;
    --secondary-color: #34a853;
    --accent-color: #fbbc04;
    --danger-color: #ea4335;
    --dark-color: #202124;
    --light-color: #f8f9fa;
    --text-color: #5f6368;
    --text-dark: #202124;
    --text-light: #80868b;
    --border-color: #dadce0;
    --background-white: #ffffff;
    --gradient: linear-gradient(90deg, #4285f4 0%, #34a853 50%, #fbbc04 100%);
    --gradient-reverse: linear-gradient(90deg, #fbbc04 0%, #34a853 50%, #4285f4 100%);
    --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
    --shadow-md: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
    --shadow-lg: 0 2px 3px 0 rgba(60,64,67,0.3), 0 6px 10px 4px rgba(60,64,67,0.15);
    --shadow-xl: 0 4px 5px 0 rgba(60,64,67,0.3), 0 8px 12px 6px rgba(60,64,67,0.15);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}


.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a.btn-primary {
    color: white;
}

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

.nav-links a.btn-primary:hover {
    color: white;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn .icon {
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(180deg, white 0%, var(--light-color) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.hero-stats .stat {
    display: flex;
    flex-direction: column;
}

.hero-stats strong {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.hero-stats span {
    color: var(--text-light);
    font-size: 0.875rem;
}

.hero-image img {
    width: 100%;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.floating {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: white;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon svg {
    fill: white;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.gradient-feature {
    background: var(--gradient);
    color: white;
}

.gradient-feature h3,
.gradient-feature p {
    color: white;
}

/* Additional utility classes for consistent styling */
.gradient-light-bg {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.05) 0%, rgba(52, 168, 83, 0.05) 50%, rgba(251, 188, 4, 0.05) 100%);
}

.gradient-icon {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 50%, #fbbc04 100%);
    color: white;
}

.analysis-result {
    margin-top: 2rem; 
    padding: 2rem; 
    border-radius: 0.5rem; 
    text-align: center;
}

.hero-image-container {
    border-radius: 1rem; 
    padding: 2rem; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    min-height: 400px; 
    background: var(--light-color);
}

.version-badge {
    color: var(--google-green); 
    font-size: 0.5em;
}

/* How It Works */
.how-it-works {
    padding: 5rem 0;
    background: var(--light-color);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
}

.step {
    flex: 1;
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-light);
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

/* Pricing */
.pricing {
    padding: 5rem 0;
    background: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    padding: 2.5rem;
    background: white;
    border-radius: 1rem;
    border: 2px solid var(--border-color);
    position: relative;
    transition: all 0.3s;
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
}

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

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

.pricing-card p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-card li {
    padding: 0.5rem 0;
    color: var(--text-color);
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: var(--gradient);
    text-align: center;
    color: white;
}

.cta h2 {
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.social-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 1.25rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: space-around;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}