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

:root {
    /* Color Palette - Minimal Navy Blue and White */
    --primary-color: #1E3A8A;
    --primary-dark: #1E40AF;
    --primary-light: #3B82F6;
    --secondary-color: #34C759;
    --accent-color: #FF9500;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #FFFFFF;
    --background-primary: #FFFFFF;
    --background-secondary: #FFFFFF;
    --background-dark: #1E3A8A;
    --border-color: #E5E7EB;
    --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.08);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(30, 58, 138, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: #FFFFFF;
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #F3F4F6;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 var(--spacing-3xl);
    background: #F8FAFC;
    text-align: center;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-icon {
    margin-bottom: var(--spacing-lg);
}

.hero-app-icon {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-medium);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: #1F2937;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: #374151;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: #4B5563;
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.app-store-badge {
    height: 60px;
    width: auto;
}

/* Sections */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
    line-height: 1.7;
}

/* What is MAWL Section */
.what-is-mawl {
    padding: var(--spacing-3xl) 0;
    background: var(--background-primary);
}

.mawl-phases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.phase-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--background-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.phase-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: white;
    margin: 0 auto var(--spacing-lg);
}

.phase-icon.model {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.phase-icon.assist {
    background: linear-gradient(135deg, var(--secondary-color), #28A745);
}

.phase-icon.watch {
    background: linear-gradient(135deg, var(--accent-color), #E67E22);
}

.phase-icon.leave {
    background: linear-gradient(135deg, #6B7280, #4B5563);
}

.phase-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.phase-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* MAWL Visual Section */
.mawl-visual {
    padding: var(--spacing-3xl) 0;
    background: var(--background-primary);
    text-align: center;
}

.mawl-image-container {
    margin-top: var(--spacing-3xl);
    display: flex;
    justify-content: center;
    align-items: center;
}

.mawl-cycle-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mawl-cycle-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-large);
}

/* App Features Section */
.app-features {
    padding: var(--spacing-3xl) 0;
    background: var(--background-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--background-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    padding: var(--spacing-3xl) 0;
    background: var(--background-primary);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.screenshot-item {
    text-align: center;
}

.screenshot-img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    margin-bottom: var(--spacing-lg);
    transition: transform 0.3s ease;
}

.screenshot-img:hover {
    transform: scale(1.05);
}

.screenshot-caption {
    font-weight: 500;
    color: var(--text-secondary);
}

/* FAQ Preview Section */
.faq-preview {
    padding: var(--spacing-3xl) 0;
    background: var(--background-primary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.faq-item {
    padding: var(--spacing-xl);
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.faq-question {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.faq-link {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* Download Section */
.download-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.download-section .section-title {
    color: white;
}

.download-section .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.download-actions {
    margin-top: var(--spacing-xl);
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: var(--text-light);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.footer-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .mawl-phases {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: 100px 0 var(--spacing-2xl);
    }
    
    .hero-app-icon {
        width: 100px;
        height: 100px;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .app-store-badge {
        height: 50px;
    }
}

/* Page-specific styles */
.page-header {
    padding: 120px 0 var(--spacing-2xl);
    background: var(--background-primary);
    text-align: center;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.page-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.7;
}

.last-updated {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-style: italic;
}

/* Contact Page Styles */
.contact-content {
    padding: var(--spacing-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

.contact-form-section {
    background: var(--background-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.contact-icon {
    font-size: var(--font-size-2xl);
    width: 60px;
    height: 60px;
    background: var(--background-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-text {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.contact-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.faq-quick-links {
    background: var(--background-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
}

.quick-links-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.quick-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quick-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.quick-link:hover {
    color: var(--primary-dark);
}

.support-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-primary);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.support-card {
    background: var(--background-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.support-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
}

.support-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.support-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: var(--background-primary);
    color: var(--text-primary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    margin-top: var(--spacing-lg);
}

/* Privacy and Terms Page Styles */
.privacy-content,
.terms-content {
    padding: var(--spacing-3xl) 0;
}

.privacy-document,
.terms-document {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-section,
.terms-section {
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--border-color);
}

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

.privacy-title,
.terms-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.privacy-text,
.terms-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

.privacy-text h3,
.terms-text h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.privacy-text ul,
.terms-text ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.privacy-text li,
.terms-text li {
    margin-bottom: var(--spacing-sm);
}

.privacy-text a,
.terms-text a {
    color: var(--primary-color);
    text-decoration: none;
}

.privacy-text a:hover,
.terms-text a:hover {
    text-decoration: underline;
}

/* FAQ Page Styles */
.faq-content {
    padding: var(--spacing-3xl) 0;
}

.faq-categories {
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: var(--spacing-3xl);
}

.category-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-color);
}

.faq-item {
    margin-bottom: var(--spacing-md);
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-medium);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: var(--background-secondary);
}

.faq-icon {
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--background-primary);
}

.faq-answer p,
.faq-answer ul {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-answer ul {
    padding-left: var(--spacing-2xl);
}

.faq-answer li {
    margin-bottom: var(--spacing-sm);
}

/* App Store Badge */
.app-store-badge {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.app-store-badge:hover {
    transform: scale(1.05);
}

/* Responsive adjustments for new pages */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-form-section {
        padding: var(--spacing-lg);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .contact-icon {
        align-self: center;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: var(--font-size-3xl);
    }
    
    .privacy-title,
    .terms-title,
    .category-title {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 var(--spacing-xl);
    }
    
    .contact-content,
    .privacy-content,
    .terms-content,
    .faq-content {
        padding: var(--spacing-2xl) 0;
    }
    
    .contact-form-section,
    .faq-quick-links {
        padding: var(--spacing-lg);
    }
    
    .faq-question {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .faq-answer p,
    .faq-answer ul {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #FFFFFF;
        --text-secondary: #9CA3AF;
        --background-primary: #111827;
        --background-secondary: #1F2937;
        --border-color: #374151;
    }
    
    .header {
        background: rgba(17, 24, 39, 0.95);
    }
    
    .phase-card,
    .feature-card,
    .contact-form-section,
    .contact-info-section > *,
    .support-card,
    .faq-item {
        background: var(--background-secondary);
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        background: var(--background-primary);
        border-color: var(--border-color);
    }
    
    .faq-answer {
        background: var(--background-primary);
    }
}