/* ============================================
   RESET & ROOT VARIABLES
   ============================================ */

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

:root {
    /* Primary Colors */
    --color-primary: #7c3aed;
    --color-primary-dark: #6d28d9;
    --color-primary-light: #a78bfa;
    --color-accent: #ec4899;
    
    /* Neutral Colors */
    --color-dark: #1f2937;
    --color-dark-light: #374151;
    --color-gray: #6b7280;
    --color-gray-light: #f3f4f6;
    --color-light: #ffffff;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-family: 'Segoe UI', 'Roboto', sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-gray-light);
    color: var(--color-dark);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

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

nav {
    background-color: var(--color-dark);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: background-color var(--transition-normal);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    gap: 0;
}

nav li {
    flex: 0 1 auto;
}

nav a {
    display: block;
    color: var(--color-light);
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-lg);
    transition: all var(--transition-normal);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

nav a:hover {
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--color-primary-light);
}

nav a:hover::after {
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */

header {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    color: var(--color-light);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

header > * {
    position: relative;
    z-index: 1;
}

header h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    letter-spacing: -1px;
}

header h1 strong {
    color: var(--color-primary-light);
    display: block;
    margin-top: var(--spacing-sm);
}

header h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
    opacity: 0.9;
}

header h3 {
    font-size: var(--font-size-lg);
    font-weight: 500;
    opacity: 0.8;
}

/* ============================================
   GALLERY SECTION
   ============================================ */

.gallery-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.gallery-section h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: 700;
    position: relative;
    padding-bottom: var(--spacing-md);
}

.gallery-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-normal);
}

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

.gallery-item a {
    display: block;
    width: 100%;
    height: 100%;
}

.gallery-description {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    line-height: 1.8;
    max-width: 800px;
    margin: var(--spacing-lg) auto;
}

.gallery-description strong {
    color: var(--color-primary);
    font-weight: 600;
}

.gallery-description em {
    color: var(--color-accent);
    font-style: italic;
}

.gallery-description h3 {
    color: var(--color-dark);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.gallery-description a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-normal);
}

.gallery-description a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ============================================
   ACCORDION
   ============================================ */

#accordion,
#accordion2 {
    font-size: var(--font-size-sm);
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

#accordion h2,
#accordion2 h2 {
    color: var(--color-dark);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

#accordion h3,
#accordion2 h3 {
    font-size: var(--font-size-base);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

#accordion p,
#accordion2 p {
    line-height: 1.8;
    color: var(--color-gray);
}

#accordion ul,
#accordion2 ul {
    list-style: none;
    padding-left: 0;
}

#accordion li,
#accordion2 li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-gray);
}

#accordion li::before,
#accordion2 li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

/* ============================================
   TABLE
   ============================================ */

table {
    font-family: var(--font-family);
    border-collapse: collapse;
    width: 100%;
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

th {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-light);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 0.5px;
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-light);
    color: var(--color-dark);
}

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

tr:hover {
    background-color: rgba(124, 58, 237, 0.05);
}

.orange-item {
    color: #f97316;
    font-weight: 600;
}

.yellow-item {
    color: #eab308;
    font-weight: 600;
}

.purple-item {
    color: #a855f7;
    font-weight: 600;
}

/* ============================================
   FLEX LAYOUTS
   ============================================ */

.flex-columns {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: var(--spacing-lg) auto;
}

.flex-columns .card,
.flex-rows .card {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
    color: var(--color-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.flex-columns .card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.flex-columns .card:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    transform: translateX(8px);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

.flex-columns .card.orange-item {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.flex-columns .card.orange-item:hover {
    background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
}

.flex-columns .card.purple-item {
    background: linear-gradient(135deg, #a855f7 0%, #9333ea 100%);
}

.flex-columns .card.purple-item:hover {
    background: linear-gradient(135deg, #9333ea 0%, #a855f7 100%);
    box-shadow: 0 8px 20px rgba(168, 85, 247, 0.3);
}

.flex-columns .card.yellow-item {
    background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%);
}

.flex-columns .card.yellow-item:hover {
    background: linear-gradient(135deg, #ca8a04 0%, #eab308 100%);
    box-shadow: 0 8px 20px rgba(234, 179, 8, 0.3);
}

.flex-rows {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.flex-rows .card {
    flex: 1 1 200px;
    min-height: 120px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.flex-rows .card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 25px rgba(124, 58, 237, 0.3);
}

/* ============================================
   FORMS
   ============================================ */

form {
    max-width: 500px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-lg);
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

input[type="checkbox"] {
    margin-right: var(--spacing-xs);
    cursor: pointer;
}

input[type="checkbox"] + label {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

input[type="submit"] {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-light);
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

input[type="submit"]:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

input[type="submit"]:active {
    transform: translateY(0);
}

/* ============================================
   AUDIO & CANVAS
   ============================================ */

audio {
    width: 100%;
    max-width: 500px;
    display: block;
    margin: var(--spacing-lg) auto;
    border-radius: var(--radius-sm);
}

canvas {
    display: block;
    margin: var(--spacing-lg) auto;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    background-color: var(--color-light);
}

/* ============================================
   LINKS
   ============================================ */

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    margin-top: var(--spacing-xl);
    border-top: 3px solid var(--color-primary);
}

footer p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
    font-size: var(--font-size-sm);
}

footer a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-normal);
    font-weight: 500;
}

footer a:hover {
    color: var(--color-light);
    text-decoration: underline;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    border-radius: 50%;
    transition: all var(--transition-normal);
    padding: 0;
}

.social-links a:hover {
    background-color: var(--color-accent);
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.4);
}

.social-links a img {
    width: 24px;
    height: 24px;
    display: block;
    filter: brightness(1);
    transition: filter var(--transition-normal);
}

.social-links a:hover img {
    filter: brightness(1.2);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.clear {
    clear: both;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

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

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

.mt-lg {
    margin-top