/**
 * SquareShift Academy Style System
 * Version: 1.0.0
 * 
 * A comprehensive style system for SquareShift Academy's learning platform.
 * Following SquareShift's brand guidelines with luxury and professional aesthetics.
 */

/* -----------------------------
 * Variables & Theme Settings
 * ---------------------------- */
:root {
    /* Brand Colors */
    --deep-green: #0D5630;
    --sage-green: #426653;
    --royal-gold: #D4AF37;
    --bronze-gold: #B8860B;
    --pure-gold: #F3CD29;

    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #181818;
    --grey: #595959;
    --medium-grey: #595959;
    --dark-grey: #181818;

    /* Secondary Neutrals */
    --warm-beige: #C5B9AB;
    --deep-brown: #57473A;
    --medium-taupe: #A59788;
    --light-cream: #E6DFD4;
    --sage-brown: #83735F;

    /* Background Colors */
    --bg-color: #f7fafc;

    /* Gradients */
    --gold-gradient: linear-gradient(to right, var(--royal-gold), var(--bronze-gold));
    --gold-gradient-vertical: linear-gradient(to bottom, var(--royal-gold), var(--bronze-gold));
    --gold-gradient-border: linear-gradient(to right, rgba(212, 175, 55, 0.3), rgba(184, 134, 11, 0.3));

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* No Border Radius - Sharp rectangular design */

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-lg: 0 6px 12px rgba(0,0,0,0.1);
    --shadow-gold: 0 4px 8px rgba(184, 134, 11, 0.2);
}

/* -----------------------------
 * Typography
 * ---------------------------- */
body {
    font-family: 'Roboto Condensed', sans-serif;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--bg-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Fjalla One', sans-serif;
    letter-spacing: 0.5px;
}

.heading-xl {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.heading-lg {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.heading-md {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.heading-sm {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* -----------------------------
 * Layout Components
 * ---------------------------- */

/* Module Header Styles */
.module-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.module-header-content {
    flex: 1;
    min-width: 300px;
}

.module-overview {
    margin-top: 1rem;
}
.main-header {
    background-color: var(--sage-green);
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-family: 'Fjalla One', sans-serif;
    color: var(--white);
    font-size: 1.5rem;
    text-decoration: none;
    letter-spacing: 1px;
}

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

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-family: 'Fjalla One', sans-serif;
    font-size: 1rem;
    letter-spacing: 0.5px;
    padding: var(--spacing-sm) 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.nav-link:hover {
    border-bottom-color: var(--royal-gold);
}

.nav-link.active {
    border-bottom-color: var(--royal-gold);
}

/* Main Content Layout */
main {
    margin-top: 70px;
    flex-grow: 1;
    background-color: var(--bg-color);
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 70px);
}

.page-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: center;
}

.content-wrapper {
    background-color: var(--white);
    
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl) var(--spacing-xxl);
    width: 1000px;
    margin: 0 auto;
    position: relative;
}

.content-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold-gradient);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* -----------------------------
 * Cards & Containers
 * ---------------------------- */
.luxury-card {
    background-color: var(--white);
    border: 1px solid;
    border-image: var(--gold-gradient-border) 1;
    
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: all 0.2s ease;
}

.luxury-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold-gradient);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.luxury-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Side Accent Variant */
.luxury-card--side-accent::before {
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    
}

/* -----------------------------
 * Buttons & Interactive Elements
 * ---------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    
    text-decoration: none;
    font-family: 'Fjalla One', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn--primary {
    background: var(--gold-gradient);
    color: var(--white);
    box-shadow: var(--shadow-gold);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(184, 134, 11, 0.4);
}

.btn--secondary {
    background: var(--white);
    color: var(--deep-green);
    border: 2px solid var(--sage-green);
    box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
    background: var(--sage-green);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--subtle {
    background: var(--light-cream);
    color: var(--deep-green);
    border: 1px solid var(--warm-beige);
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.btn--subtle:hover {
    background: var(--warm-beige);
    transform: translateY(-1px);
}

.btn i {
    font-size: 0.9em;
    transition: transform 0.2s ease;
}

.btn:hover i {
    transform: translateX(2px);
}

/* -----------------------------
 * Tags & Labels
 * ---------------------------- */
.tag {
    padding: var(--spacing-sm) var(--spacing-md);
    
    font-family: 'Fjalla One', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 400;
    text-transform: uppercase;
}

.tag i {
    font-size: 1em;
}

/* Difficulty Level Tags - Subtle, Informational */
.tag--difficulty {
    background: rgba(66, 102, 83, 0.1);
    color: var(--sage-green);
    border: 1px solid rgba(66, 102, 83, 0.2);
}

/* Content Type Tags - Neutral, Descriptive */
.tag--content-type {
    background: var(--light-cream);
    color: var(--deep-green);
    border: 1px solid var(--warm-beige);
}

/* Phase/Status Tags - Prominent but Not Actionable */
.tag--phase {
    background: linear-gradient(135deg, rgba(13, 86, 48, 0.9), rgba(66, 102, 83, 0.8));
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

/* Status Tags - Required/Optional Indicators */
.tag--status {
    background: var(--light-cream);
    color: var(--deep-green);
    border: 2px solid var(--royal-gold);
    font-weight: 600;
}

/* Action Tags - Golden, Call Attention */
.tag--action {
    background: var(--gold-gradient);
    color: var(--white);
    box-shadow: var(--shadow-gold);
}

/* -----------------------------
 * Learning Resources Table
 * ---------------------------- */
.learning-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-lg) 0;
}

.learning-table th {
    background: var(--deep-green);
    color: var(--white);
    padding: var(--spacing-md);
    text-align: left;
    font-family: 'Fjalla One', sans-serif;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 400;
}

.learning-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--light-cream);
    vertical-align: top;
}

.learning-table tr:hover {
    background-color: rgba(233, 223, 212, 0.3);
}

.learning-table tr:last-child td {
    border-bottom: none;
}

.learning-table .resource-name {
    font-weight: 600;
    color: var(--deep-green);
    margin-bottom: var(--spacing-xs);
}

.learning-table .resource-description {
    color: var(--medium-grey);
    font-size: 0.9rem;
    line-height: 1.5;
}

.learning-table .content-type {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--sage-green);
}

.learning-table .content-type i {
    font-size: 1em;
}

/* -----------------------------
 * Icons & Decorative Elements
 * ---------------------------- */
.icon-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-title i {
    color: var(--bronze-gold);
    font-size: 1.2em;
}

/* -----------------------------
 * Utility Classes
 * ---------------------------- */
.text-deep-green { color: var(--deep-green); }
.text-sage-green { color: var(--sage-green); }
.text-royal-gold { color: var(--royal-gold); }
.text-bronze-gold { color: var(--bronze-gold); }

.bg-deep-green { background-color: var(--deep-green); }
.bg-sage-green { background-color: var(--sage-green); }
.bg-royal-gold { background-color: var(--royal-gold); }
.bg-bronze-gold { background-color: var(--bronze-gold); }

.gradient-text {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* -----------------------------
 * Accordion Component
 * ---------------------------- */
.accordion {
    margin-bottom: var(--spacing-xl);
}

.accordion-item {
    margin-bottom: var(--spacing-md);
    background: var(--white);
    border: 1px solid;
    border-image: var(--gold-gradient-border) 1;
    
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    box-shadow: var(--shadow-md);
}

.accordion-header {
    padding: var(--spacing-lg);
    background: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    transition: all 0.3s ease;
    position: relative;
}

.accordion-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gold-gradient-vertical);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.accordion-header:hover::before,
.accordion-item.active .accordion-header::before {
    opacity: 1;
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-grow: 1;
}

.accordion-title i {
    color: var(--bronze-gold);
    font-size: 1.2em;
    transition: color 0.3s ease;
}

.accordion-title h3 {
    font-family: 'Fjalla One', sans-serif;
    color: var(--deep-green);
    margin: 0;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
}

.accordion-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.accordion-time {
    color: var(--grey);
    font-size: 0.9rem;
    white-space: nowrap;
}

.accordion-icon {
    color: var(--bronze-gold);
    transition: transform 0.3s ease;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--bg-color);
}

.accordion-item.active .accordion-content {
    max-height: 2000px;
    border-top: 1px solid var(--light-cream);
}

.accordion-body {
    padding: var(--spacing-xl);
}

.accordion-section {
    margin-bottom: var(--spacing-lg);
}

.accordion-section:last-child {
    margin-bottom: 0;
}

.accordion-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--sage-green);
    font-family: 'Fjalla One', sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.accordion-section-title i {
    color: var(--bronze-gold);
}

/* -----------------------------
 * Animations
 * ---------------------------- */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.gradient-border {
    border: 1px solid transparent;
    background: var(--gold-gradient-border) border-box;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
}