/* Base Styles */
:root {
    --primary-color: #6b7280;
    --secondary-color: #4b5563;
    --text-color: #374151;
    --light-text: #9ca3af;
    --background: #ffffff;
    --light-background: #f3f4f6;
    --border-color: #e5e7eb;
    --hover-color: #4b5563;
    --shadow-color: rgba(0, 0, 0, 0.05);
    --container-padding: 2rem;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 400;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
    font-weight: 300;
}

h2 {
    font-size: 2rem;
    font-weight: 300;
}

h3 {
    font-size: 1.5rem;
    font-weight: 300;
}

p {
    margin-bottom: 1rem;
    color: var(--light-text);
}

/* Header & Navigation */
.site-header {
    background-color: var(--background);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 2.5rem;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.brand-name {
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--text-color);
    letter-spacing: -0.5px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.brand-name:hover {
    color: var(--hover-color);
}

.logo img {
    display: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--light-text);
    font-weight: 400;
    transition: color 0.2s ease;
}

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

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

/* Hero Section */
.hero {
    background-color: var(--light-background);
    text-align: center;
    padding: 6rem 0;
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero p {
    max-width: 600px;
    margin: 0 auto 2rem;
    color: var(--light-text);
}

/* Features Section */
.features {
    padding: 4rem 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
}

/* CTA Section */
.cta-section {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta-section h2 {
    color: white;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--text-color);
    color: var(--background);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 400;
    transition: background-color 0.2s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: var(--hover-color);
}

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

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

.footer-section h3 {
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: var(--light-text);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--text-color);
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 calc(var(--container-padding) * 0.8);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 calc(var(--container-padding) * 0.6);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--background);
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .site-header {
        padding: 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 calc(var(--container-padding) * 0.4);
    }
    
    .main-nav {
        padding: 0.75rem 0;
    }
    
    .brand-name {
        font-size: 1.5rem;
    }

    .site-header {
        padding: 0 1rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Pricing Page Styles */
.pricing-hero {
    background-color: var(--light-background);
    padding: 4rem 0;
    text-align: center;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.plan-card {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.2s ease;
}

.plan-card:hover {
    transform: translateY(-4px);
}

.plan-card.featured {
    border-color: var(--text-color);
}

.plan-header {
    margin-bottom: 2rem;
}

.plan-price {
    margin: 1rem 0;
}

.price {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--text-color);
}

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

.plan-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.plan-features li {
    padding: 0.5rem 0;
    color: var(--light-text);
    border-bottom: 1px solid var(--border-color);
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background-color: var(--light-background);
}

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

.faq-item {
    background-color: var(--background);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

/* About Page Styles */
.about-hero {
    background-color: var(--light-background);
    padding: 4rem 0;
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin: 4rem 0;
}

.about-text {
    padding-right: 2rem;
}

/* Values Section */
.values-section {
    padding: 4rem 0;
    background-color: var(--light-background);
}

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

.value-card {
    background-color: var(--background);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    text-align: center;
}

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

/* Team Section */
.team-section {
    padding: 4rem 0;
}

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

.team-member {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.team-member h3 {
    margin-bottom: 0.5rem;
}

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

/* Responsive Design for About Page */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-text {
        padding-right: 0;
    }
}

/* Contact Page Styles */
.contact-hero {
    background-color: var(--light-background);
    padding: 4rem 0;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin: 4rem 0;
}

.contact-info {
    padding-right: 2rem;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-form {
    background-color: var(--light-background);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-color);
    background-color: var(--background);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-color);
}

/* Responsive Design for Contact Page */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-info {
        padding-right: 0;
    }
}