/* ========================================
   CogniGrit Cognitive Leadership Academy
   Design System & Styles
   ======================================== */

:root {
    /* Color Palette */
    --deep-slate: #1A1C1E;
    --alabaster: #F5F5F7;
    --performance-blue: #0052FF;
    --slate-light: #7F8185;
    --slate-medium: #464A4F;
    --slate-dark: #2D3035;
    --accent-success: #00A86B;
    --border-light: #E8E8EB;
    
    /* Spacing Scale */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-base: 1.5rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Typography */
    --font-serif: 'Crimson Text', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* 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 20px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ========================================
   GLOBAL STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--alabaster);
    color: var(--deep-slate);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    line-height: 1.1;
    font-weight: 600;
    margin-top: 0;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
    color: var(--deep-slate);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    margin-bottom: var(--spacing-md);
    color: var(--deep-slate);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-base);
    color: var(--deep-slate);
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-base);
    color: var(--slate-medium);
    line-height: 1.7;
}

strong {
    font-weight: 600;
    color: var(--deep-slate);
}

/* Links */
a {
    color: var(--performance-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    opacity: 0.8;
}

/* Utility Classes */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-intro {
    font-size: 1.25rem;
    color: var(--slate-light);
    max-width: 600px;
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    background: var(--alabaster);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(245, 245, 247, 0.95);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo h2 {
    color: var(--deep-slate);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--slate-medium);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.cta-link {
    color: var(--performance-blue) !important;
    font-weight: 600;
}

@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
        font-size: 0.875rem;
    }
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--performance-blue);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 82, 255, 0.25);
}

.btn-primary:hover {
    background-color: #003d99;
    box-shadow: 0 6px 16px rgba(0, 82, 255, 0.35);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--performance-blue);
    border: 2px solid var(--performance-blue);
}

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

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--alabaster) 0%, #F0F0F3 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-text h1 {
    color: var(--deep-slate);
    margin-bottom: var(--spacing-md);
    line-height: 1.15;
}

.hero-subtext {
    font-size: 1.25rem;
    color: var(--slate-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 500px;
}

.hero-footnote {
    font-size: 0.875rem;
    color: var(--slate-light);
    margin-top: var(--spacing-lg);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.hero-graphic {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-visual {
        min-height: 300px;
    }
}

/* ========================================
   AGE OF DISTRACTION SECTION
   ======================================== */

.age-of-distraction {
    padding: var(--spacing-2xl) 0;
    background-color: var(--deep-slate);
    color: var(--alabaster);
}

.age-of-distraction h2 {
    color: var(--alabaster);
}

.age-of-distraction .section-intro {
    color: #D0D0D0;
}

.scroll-journey {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: center;
}

.journey-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.journey-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.card-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--performance-blue);
    margin-bottom: var(--spacing-sm);
}

.journey-card p {
    color: #D0D0D0;
    margin-bottom: 0;
}

.journey-arrow {
    display: none;
    text-align: center;
    font-size: 2rem;
    color: var(--performance-blue);
}

@media (min-width: 1024px) {
    .scroll-journey {
        grid-template-columns: repeat(3, 1fr);
        gap: 0;
    }
    
    .journey-arrow {
        display: block;
        align-self: center;
        margin: 0 -1rem;
    }
}

/* ========================================
   RADAR SECTION
   ======================================== */

.radar-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--alabaster);
}

.radar-container {
    margin: var(--spacing-xl) 0;
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg);
}

.radar-chart {
    max-width: 600px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.08));
}

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

.insight-box {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--performance-blue);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.insight-box:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.insight-box h3 {
    color: var(--performance-blue);
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   TRUST SECTION
   ======================================== */

.trust-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #FAFAFC 0%, #F5F5F7 100%);
}

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

.trust-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.trust-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

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

/* ========================================
   METHODOLOGY PAGE STYLES
   ======================================== */

.methodology-hero {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--deep-slate) 0%, #2D3035 100%);
    color: var(--alabaster);
}

.methodology-hero h1 {
    color: var(--alabaster);
}

.methodology-hero .section-intro {
    color: #D0D0D0;
}

.system-section {
    padding: var(--spacing-2xl) 0;
}

.system-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.system-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--performance-blue);
    transition: all var(--transition-base);
}

.system-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.system-card h3 {
    color: var(--performance-blue);
}

/* ========================================
   GROWTH INDEX STYLES
   ======================================== */

.growth-intro {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--alabaster) 0%, #F0F0F3 100%);
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.dimension-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.dimension-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--performance-blue);
    margin-bottom: var(--spacing-sm);
}

.dimension-card h3 {
    color: var(--deep-slate);
}

/* ========================================
   TRACKS/PROGRAMS STYLES
   ======================================== */

.tracks-intro {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--performance-blue) 0%, #003d99 100%);
    color: white;
}

.tracks-intro h1,
.tracks-intro h2 {
    color: white;
}

.tracks-intro .section-intro {
    color: #E0E0E0;
}

.tracks-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.track-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.track-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.track-header {
    background: linear-gradient(135deg, var(--performance-blue), #003d99);
    color: white;
    padding: var(--spacing-lg);
}

.track-header h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.track-body {
    padding: var(--spacing-lg);
}

.milestone {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.milestone:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.milestone h4 {
    color: var(--performance-blue);
}

.milestone-timeline {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.timeline-marker {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--performance-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ========================================
   INSIGHTS PAGE STYLES
   ======================================== */

.insights-hero {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--alabaster) 0%, #F0F0F3 100%);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.insight-article {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
}

.insight-article:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.article-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--performance-blue), #003d99);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.article-content {
    padding: var(--spacing-lg);
}

.article-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--performance-blue);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.article-content h3 {
    margin-bottom: var(--spacing-sm);
}

.article-excerpt {
    font-size: 0.95rem;
    color: var(--slate-medium);
    margin-bottom: var(--spacing-sm);
}

.read-more {
    color: var(--performance-blue);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ========================================
   ADMISSIONS PAGE STYLES
   ======================================== */

.admissions-hero {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--deep-slate) 0%, #2D3035 100%);
    color: var(--alabaster);
}

.admissions-hero h1 {
    color: var(--alabaster);
}

.admissions-hero .section-intro {
    color: #D0D0D0;
}

.commitment-statement {
    background: rgba(0, 82, 255, 0.1);
    border-left: 4px solid var(--performance-blue);
    padding: var(--spacing-lg);
    border-radius: 4px;
    margin: var(--spacing-lg) 0;
}

.commitment-statement p {
    margin-bottom: 0;
}

.audit-process {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    margin: var(--spacing-xl) 0;
}

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

.step {
    display: flex;
    gap: var(--spacing-lg);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--performance-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-content h4 {
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    margin-bottom: 0;
}

.faq-section {
    margin: var(--spacing-xl) 0;
}

.faq-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-question {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    font-weight: 600;
    color: var(--deep-slate);
}

.faq-toggle {
    transition: transform var(--transition-fast);
}

.faq-toggle.open {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-answer.open {
    max-height: 500px;
    padding-top: var(--spacing-base);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--deep-slate);
    color: var(--alabaster);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--alabaster);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: #D0D0D0;
    transition: color var(--transition-fast);
}

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

.cta-footer {
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: #A0A0A0;
    font-size: 0.875rem;
}

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

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-content {
        gap: var(--spacing-lg);
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .scroll-journey {
        grid-template-columns: 1fr;
    }
    
    .tracks-container {
        grid-template-columns: 1fr;
    }
    
    .radar-container {
        padding: 0;
    }
    
    .radar-chart {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

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

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #0F1012;
        color: #E8E8EB;
    }
    
    .btn-secondary {
        color: #E8E8EB;
    }
}