/* ========================================
   TRACKBACK LANDING PAGE STYLES
   Brand Colors: Deep Teal + Warm Amber
   ======================================== */

/* ========================================
   CSS VARIABLES (Brand Colors)
   ======================================== */
:root {
    /* Primary Colors */
    --color-primary: #0d7377; /* Deep Teal */
    --color-primary-dark: #0a5a5d;
    --color-primary-light: #14a1a6;
    
    /* Secondary Colors */
    --color-secondary: #f4a261; /* Warm Amber */
    --color-secondary-dark: #e89244;
    --color-secondary-light: #f7b885;
    
    /* Neutrals */
    --color-bg: #fafaf8; /* Off-white */
    --color-bg-card: #ffffff;
    --color-text: #2d2d2d;
    --color-text-light: #666666;
    --color-border: #e5e5e5;
    
    /* Severity Scale (for future use) */
    --color-severity-1: #4ade80; /* Green */
    --color-severity-3: #fbbf24; /* Yellow */
    --color-severity-5: #f87171; /* Red-orange */
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Helvetica Neue', Arial, sans-serif;
    
    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: 2rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* ========================================
   LAYOUT
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

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

.nav-logo {
    display: inline-block;
    transition: opacity 0.2s ease;
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-logo img {
    height: 32px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.nav-links a:hover {
    background: var(--color-primary-light);
    color: white;
    border-color: var(--color-primary-light);
}

.nav-links a.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ========================================
   HERO SECTION (White Background)
   ======================================== */
.hero {
    background: var(--color-bg-card);
    color: var(--color-text);
    padding: var(--spacing-lg) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.logo {
    margin-bottom: var(--spacing-md);
}

.logo img {
    max-width: 600px;
    width: 100%;
    height: auto;
}

.logo h1 {
    color: var(--color-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

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

.headline {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.subheadline {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 0;
    font-weight: 400;
}

/* ========================================
   PAGE HEADER (For Support/Privacy Pages)
   ======================================== */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
    text-align: center;
}

.page-header h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 0;
}

/* ========================================
   PAGE CONTENT (For Support/Privacy Pages)
   ======================================== */
.page-content {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

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

.privacy-section,
.support-section {
    margin-bottom: var(--spacing-lg);
}

.privacy-section h2,
.support-section h2 {
    color: var(--color-primary-dark);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary-light);
}

.privacy-section h3,
.support-section h3 {
    color: var(--color-text);
    font-size: 1.25rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.privacy-intro {
    font-size: 1.125rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.privacy-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.privacy-highlight {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.highlight-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.privacy-highlight h3 {
    color: var(--color-primary);
    font-size: 1.125rem;
    margin: var(--spacing-xs) 0;
}

.privacy-highlight p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.privacy-list,
.support-checklist {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.privacy-list li,
.support-checklist li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.privacy-note {
    background: var(--color-bg-card);
    border-left: 4px solid var(--color-secondary);
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
}

.legal-footer {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.legal-footer p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

/* Support Page Specific */
.contact-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
    margin: var(--spacing-md) 0;
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-info h3 {
    margin-top: 0;
    color: var(--color-primary);
}

.contact-link {
    font-size: 1.125rem;
    font-weight: 600;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-meta {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: 0;
}

.faq-list {
    margin-top: var(--spacing-md);
}

.faq-item {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary-light);
}

.faq-item h3 {
    color: var(--color-primary-dark);
    margin-top: 0;
}

.faq-item p {
    margin-bottom: 0;
}

.feedback-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
}

.social-links-inline {
    margin-top: var(--spacing-sm);
    font-size: 1rem;
}

.social-links-inline a {
    color: var(--color-primary);
    font-weight: 500;
}

/* ========================================
   BENEFITS SECTION (Teal Background)
   ======================================== */
.benefits {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.benefit-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 1);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    filter: grayscale(20%);
}

.benefit-card h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    color: var(--color-text-light);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ========================================
   WAITLIST SECTION (Orange Background)
   ======================================== */
/* ========================================
   BETA DOWNLOAD SECTION
   ======================================== */
.beta-download {
    background: var(--color-bg-card);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.beta-download h2 {
    color: var(--color-text);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.beta-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.beta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-md);
}

.beta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(13, 115, 119, 0.3);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: white;
}

.beta-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.beta-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.beta-primary {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    display: block;
}

.beta-secondary {
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.95;
    display: block;
}

.beta-requirements {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ========================================
   TRUST SECTION (Orange Background)
   ======================================== */
.trust {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    padding: var(--spacing-xl) 0;
    color: var(--color-text);
}

.trust .container {
    max-width: 1200px;
}

.trust h2 {
    text-align: center;
    color: white;
    margin-bottom: var(--spacing-xl);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.trust-item {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.trust-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 1);
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.trust-item h3 {
    color: var(--color-primary-dark);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.trust-item p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    text-align: center;
}

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

.footer-tagline {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.95);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.social-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    color: var(--color-secondary);
    transform: translateY(-2px);
}

.social-links svg {
    width: 24px;
    height: 24px;
}

.footer-links {
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-separator {
    margin: 0 var(--spacing-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-credits {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .logo img {
        max-width: 400px;
    }
    
    .headline {
        font-size: 2.5rem;
    }
    
    .subheadline {
        font-size: 1.125rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .privacy-highlights {
        grid-template-columns: 1fr;
    }
    
    .beta-download h2 {
        font-size: 2rem;
    }
    
    .beta-button {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .beta-primary {
        font-size: 1.25rem;
    }
    
    .beta-secondary {
        font-size: 0.875rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .nav {
        padding: var(--spacing-xs) 0;
    }
    
    .nav-logo img {
        height: 24px;
    }
    
    .nav-links {
        gap: var(--spacing-xs);
        font-size: 0.875rem;
    }
    
    .nav-links a {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .logo img {
        max-width: 300px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .headline {
        font-size: 2rem;
    }
    
    .subheadline {
        font-size: 1rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .benefit-card {
        padding: var(--spacing-sm);
    }
    
    .trust-item {
        padding: var(--spacing-md);
    }
    
    .contact-card {
        flex-direction: column;
        text-align: center;
    }
    
    .social-links {
        gap: var(--spacing-sm);
    }
}

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

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .benefit-card,
    .trust-item,
    .privacy-highlight,
    .faq-item {
        border: 2px solid var(--color-primary);
    }
}