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

:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #6366F1;
    --secondary-color: #10B981;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --bg-white: #FFFFFF;
    --bg-gray: #F9FAFB;
    --bg-dark: #111827;
    --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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

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

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

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

.btn-block {
    display: block;
    width: 100%;
}

.btn-link {
    padding: 0.5rem 1rem;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mockup {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    max-width: 500px;
}

/* Browser Window Mockup */
.browser-window {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    max-width: 600px;
    width: 100%;
}

.browser-chrome {
    background: #E5E7EB;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid #D1D5DB;
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red {
    background: #FF5F56;
}

.dot-yellow {
    background: #FFBD2E;
}

.dot-green {
    background: #27C93F;
}

.browser-url {
    background: white;
    padding: 0.35rem 0.875rem;
    border-radius: 0.375rem;
    font-size: 0.8125rem;
    color: var(--text-gray);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.browser-content {
    background: #F9FAFB;
    overflow: hidden;
}

.screenshot-image {
    width: 100%;
    height: auto;
    display: block;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 4rem;
}

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

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    background: var(--bg-gray);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

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

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: var(--bg-gray);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto 2rem;
}

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

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.plan-price {
    margin-bottom: 0.5rem;
}

.plan-price-alt {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-period {
    font-size: 1.125rem;
    color: var(--text-gray);
}

.price-amount-alt {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.price-period-alt {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-right: 0.5rem;
}

.price-savings {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--secondary-color);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    margin-left: 0.5rem;
}

.price-additional {
    display: block;
    font-size: 1rem;
    color: var(--text-gray);
    margin-top: 0.5rem;
}

.plan-description {
    color: var(--text-gray);
    font-size: 0.875rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.check-icon {
    color: var(--secondary-color);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.pricing-note {
    text-align: center;
    color: var(--text-gray);
    font-size: 0.875rem;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: var(--bg-dark);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-gray);
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-weight: 700;
    margin-bottom: 1rem;
}

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

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

.footer-column a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
    font-size: 0.875rem;
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .nav-links a:not(.btn) {
        display: none;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-image {
        order: -1;
    }

    .browser-window {
        max-width: 100%;
    }

    .browser-chrome {
        padding: 0.5rem 0.75rem;
    }

    .browser-url {
        font-size: 0.75rem;
        padding: 0.25rem 0.625rem;
    }

    .dot {
        width: 10px;
        height: 10px;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .browser-chrome {
        padding: 0.4rem 0.5rem;
        gap: 0.5rem;
    }

    .browser-url {
        font-size: 0.6875rem;
        padding: 0.2rem 0.5rem;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .browser-window {
        border-radius: 0.5rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}