/* ==========================================================================
   Cygnus Strategy - Landing Page Styles
   Using Atkinson Hyperlegible Next for maximum readability
   WCAG 2.2 AA compliant
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors - USA Flag palette */
    --color-primary: #0A3161;        /* Old Glory Blue */
    --color-primary-dark: #061d3a;
    --color-primary-light: #0d4080;
    --color-accent: #B31942;         /* Old Glory Red */
    --color-accent-hover: #8a1433;
    
    --color-text: #1a202c;           /* Near black for body text */
    --color-text-secondary: #4a5568; /* Gray for secondary text */
    --color-text-inverse: #ffffff;
    
    --color-bg: #ffffff;
    --color-bg-alt: #f7fafc;         /* Light gray for alternating sections */
    --color-bg-dark: #1a365d;
    
    --color-border: #e2e8f0;
    --color-success: #276749;
    
    /* Typography */
    --font-family: 'Atkinson Hyperlegible Next', system-ui, -apple-system, sans-serif;
    --font-size-base: 1.125rem;      /* 18px - accessible minimum */
    --font-size-sm: 1rem;            /* 16px */
    --font-size-lg: 1.25rem;         /* 20px */
    --font-size-xl: 1.5rem;          /* 24px */
    --font-size-2xl: 2rem;           /* 32px */
    --font-size-3xl: 2.5rem;         /* 40px */
    --font-size-4xl: 3rem;           /* 48px */
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    
    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   Accessibility
   -------------------------------------------------------------------------- */
   
/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-sm);
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for all interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--space-md);
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-primary);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

p {
    margin-top: 0;
    margin-bottom: var(--space-md);
}

strong {
    font-weight: 700;
}

a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
}

ul, ol {
    margin-top: 0;
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

li {
    margin-bottom: var(--space-xs);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

section {
    padding: var(--space-2xl) 0;
    scroll-margin-top: 100px;
}

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    gap: var(--space-md);
}

.logo {
    text-decoration: none;
}

.logo-img {
    height: 80px;
    width: auto;
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.nav-list {
    display: flex;
    gap: var(--space-md);
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-list a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-list a:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
}

.nav-cta {
    background-color: var(--color-primary) !important;
    color: var(--color-text-inverse) !important;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--radius-md) !important;
}

.nav-cta:hover {
    background-color: var(--color-primary-dark) !important;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-text-inverse);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
    padding: var(--space-3xl) 0;
}

.hero-content {
    max-width: var(--container-narrow);
}

.hero h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
}

.hero-cta {
    margin-bottom: var(--space-xl);
}

.hero-proof {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.proof-item {
    display: flex;
    flex-direction: column;
}

.proof-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.proof-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
    background-color: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 300px 1fr;
    }
}

.about-image {
    display: flex;
    justify-content: center;
}

.profile-photo {
    width: 250px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.about-role {
    font-size: var(--font-size-lg);
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.about-cta {
    margin-top: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Results Section
   -------------------------------------------------------------------------- */
.results {
    background-color: var(--color-bg-alt);
}

.section-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: var(--container-narrow);
    margin-bottom: var(--space-xl);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 600px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.result-card {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.result-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.result-outcome {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.result-metrics {
    list-style: none;
    padding: 0;
    margin: 0;
}

.result-metrics li {
    padding: var(--space-xs) 0;
    border-top: 1px solid var(--color-border);
}

.result-metrics li:first-child {
    border-top: none;
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
.services {
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 900px) {
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.service-category h3 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: var(--space-lg);
}

.service-card {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.service-card:last-child {
    border-bottom: none;
}

.service-card h4 {
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.service-card p {
    margin-bottom: var(--space-xs);
    color: var(--color-text-secondary);
}

.service-outcome {
    font-weight: 500;
    color: var(--color-success) !important;
    font-style: italic;
}

.services-cta {
    text-align: center;
    margin-top: var(--space-xl);
}

/* --------------------------------------------------------------------------
   Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials {
    background-color: var(--color-bg-alt);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 600px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.testimonial-card {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    margin: 0;
}

.testimonial-text {
    font-size: var(--font-size-base);
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    line-height: var(--line-height-relaxed);
}

.testimonial-attribution {
    display: block;
}

.testimonial-attribution cite {
    font-style: normal;
    display: flex;
    flex-direction: column;
}

.testimonial-name {
    font-weight: 700;
    color: var(--color-primary);
}

.testimonial-role {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.testimonials-note {
    text-align: center;
    margin-top: var(--space-lg);
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Trust Section
   -------------------------------------------------------------------------- */
.trust {
    background-color: var(--color-bg);
    text-align: center;
}

.trust h2 {
    margin-bottom: var(--space-md);
}

.trust p {
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-lg);
}

.trust-list {
    list-style: none;
    padding: 0;
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.trust-list li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.trust-list li:last-child {
    border-bottom: none;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
    background-color: var(--color-bg-dark);
    text-align: center;
    padding: var(--space-3xl) 0;
}

.cta-section h2 {
    color: var(--color-text-inverse);
    font-size: var(--font-size-2xl);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-lg);
}

.cta-section .btn-primary {
    background-color: var(--color-text-inverse);
    color: var(--color-primary);
    border-color: var(--color-text-inverse);
}

.cta-section .btn-primary:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-bg-alt);
}

.cta-alternative {
    margin-top: var(--space-lg);
    font-size: var(--font-size-sm);
}

.cta-alternative a {
    color: var(--color-text-inverse);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-text-inverse);
    padding: var(--space-xl) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--space-sm);
}

.footer-brand .logo-text {
    color: var(--color-text-inverse);
    font-size: var(--font-size-lg);
    display: block;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.footer-contact h3,
.footer-location h3 {
    color: var(--color-text-inverse);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-sm);
}

.footer-contact p,
.footer-location p {
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact a {
    color: var(--color-text-inverse);
}

.footer-contact a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.5rem;
    }
    
    .site-header {
        display: none;
    }
    
    .hero {
        padding: var(--space-xl) 0;
    }
    
    .hero-proof {
        gap: var(--space-lg);
    }
    
    section {
        padding: var(--space-xl) 0;
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    .site-header,
    .skip-link,
    .btn,
    .hero-cta,
    .about-cta,
    .services-cta,
    .cta-section {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    a {
        text-decoration: none;
        color: var(--color-text);
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}