/* Variables */
:root {
    /* Colors */
    --color-midnight: #0D1B2A;
    --color-midnight-light: #1B2A3A;
    --color-cyan: #00B4D8;
    --color-gray: #E0E0E0;
    --color-neon: #9EF01A;
    --color-white: #FFFFFF;

    /* Typography */
    --font-primary: 'Space Grotesk', sans-serif;
    --font-secondary: 'Outfit', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* Other */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 5px 10px rgba(0,0,0,0.05);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Global Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-gray);
    background: var(--color-midnight);
    overflow-x: hidden;
    background: linear-gradient(135deg, var(--color-midnight) 0%, var(--color-midnight-light) 100%);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-cyan);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

button, .button {
    display: inline-block;
    background: var(--color-cyan);
    color: var(--color-midnight);
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: var(--font-size-md);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}



button:hover::before, .button:hover::before {
    transform: translateX(100%);
}

button:hover, .button:hover {
    box-shadow: 0 5px 15px rgba(158, 240, 26, 0.4);
    transform: translateY(-2px);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md);
}

.section {
    padding: var(--space-xl) 0;
    position: relative;
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-md);
}

/* Fractal Background Effect */
.fractal-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
    background-image:
            repeating-linear-gradient(45deg, var(--color-midnight) 0, var(--color-midnight) 1px, transparent 0, transparent 50%),
            repeating-linear-gradient(135deg, var(--color-midnight-light) 0, var(--color-midnight-light) 1px, transparent 0, transparent 50%);
    background-size: 60px 60px;
    background-position: 0 0;
    animation: fractalMove 120s linear infinite;
}

@keyframes fractalMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 1000px 1000px;
    }
}

/* Particle Effect */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

/* Header Styles */
.header {
    position: relative;
    z-index: 100;
    padding: var(--space-md) 0;
    width: 100%;
    transition: transform var(--transition-normal);
}

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

.header.hidden {
    transform: translateY(-100%);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
}

.logo-text::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    background-color: var(--color-neon);
    border-radius: 50%;
    margin-right: 8px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(158, 240, 26, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(158, 240, 26, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(158, 240, 26, 0);
    }
}

.navbar {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-normal);
    padding: var(--space-xl) var(--space-lg);
    overflow-y: auto;
}

.navbar.active {
    right: 0;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.nav-overlay.active {
    display: block;
}

.nav-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--color-white);
    cursor: pointer;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    margin-top: var(--space-xl);
}

.nav-item {
    margin-bottom: var(--space-lg);
}

.nav-link {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--color-white);
    transition: all var(--transition-normal);
    transform-origin: left;
    position: relative;
    padding-left: var(--space-md);
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-cyan);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-neon);
    transform: translateX(5px);
}

.nav-link:hover::before {
    background: var(--color-neon);
    transform: translateY(-50%) scale(1.5);
}

.burger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
}

.burger span {
    width: 100%;
    height: 2px;
    color: var(--color-white);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 50%;
    height: 100%;
    top: 0;
    right: 0;
    background: linear-gradient(45deg, transparent, rgba(0, 180, 216, 0.05));
    clip-path: polygon(100% 0, 0 0, 100% 100%);
}

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

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

.hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
    position: relative;
}

.hero-title span {
    display: block;
    color: var(--color-neon);
}

.hero-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--color-cyan);
    margin-top: var(--space-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
    color: var(--color-gray);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
}

.hero-image {
    position: relative;
    height: 100%;
}

.hero-image-container {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-image-inner {
    position: absolute;
    width: 100%;
    height: 100%;
    transform: translateZ(0);
    transition: transform var(--transition-slow);
}

.hero-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
}

/* Courses Section */
.courses {
    position: relative;
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-xl);
    padding-left: var(--space-md);
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--color-neon);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.course-card {
    background: rgba(27, 42, 58, 0.6);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    z-index: 1;
}

.course-card::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), rgba(158, 240, 26, 0.05));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.course-card:hover::before {
    opacity: 1;
}

.course-image {
    width: 100%;
    height: 200px;
    position: relative;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.course-card:hover .course-image img {
    transform: scale(1.1);
}

.course-content {
    padding: var(--space-lg);
}

.course-emoji {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
}

.course-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.course-info {
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
}

.course-info-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.course-info-item i {
    margin-right: var(--space-sm);
    color: var(--color-cyan);
}

.course-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-neon);
    margin: var(--space-md) 0;
}

.course-footer {
    margin-top: var(--space-md);
}

/* Instructors Section */
.instructors {
    position: relative;
}

.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.instructor-card {
    background: rgba(27, 42, 58, 0.6);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.instructor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.instructor-image {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.instructor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.instructor-card:hover .instructor-image img {
    transform: scale(1.05);
}

.instructor-content {
    padding: var(--space-lg);
    position: relative;
}

.instructor-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--color-cyan);
}

.instructor-name {
    font-size: var(--font-size-xl);
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.instructor-title {
    color: var(--color-cyan);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
}

.instructor-bio {
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
}

.instructor-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.expertise-tag {
    background: rgba(0, 180, 216, 0.1);
    color: var(--color-cyan);
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
}

/* Contact Section */
.contact {
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.contact-info {
    display: grid;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-icon {
    font-size: var(--font-size-xl);
    color: var(--color-cyan);
    min-width: 24px;
}

.contact-text {
    color: var(--color-gray);
}

.contact-text strong {
    display: block;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.contact-map {
    width: 100%;
    height: 100%;
    min-height: 300px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.contact-form {
    margin-top: var(--space-xl);
    background: rgba(27, 42, 58, 0.6);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--color-white);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid rgba(224, 224, 224, 0.1);
    border-radius: var(--border-radius-md);
    background: rgba(13, 27, 42, 0.5);
    color: var(--color-white);
    font-family: var(--font-primary);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 2px rgba(0, 180, 216, 0.2);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.form-checkbox input {
    margin-top: 5px;
}

.form-submit {
    margin-top: var(--space-lg);
    width: 100%;
}

/* Cookie Consent */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-lg);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
}

.cookie-consent.active {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
}

.cookie-text {
    flex: 1;
}

.cookie-buttons {
    display: flex;
    gap: var(--space-md);
}

/* Footer */
.footer {
    padding: var(--space-xl) 0;
    background: rgba(13, 27, 42, 0.8);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.footer-brand {
    flex: 1;
    min-width: 200px;
}

.footer-nav {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.footer-nav-group {
    min-width: 150px;
}

.footer-title {
    font-size: var(--font-size-md);
    color: var(--color-white);
    margin-bottom: var(--space-md);
    position: relative;
    padding-bottom: var(--space-sm);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-cyan);
}

.footer-links {
    list-style: none;
}

.footer-link {
    margin-bottom: var(--space-sm);
}

.footer-link a {
    color: var(--color-gray);
    transition: color var(--transition-fast);
    font-size: var(--font-size-sm);
}

.footer-link a:hover {
    color: var(--color-neon);
}

.footer-bottom {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(224, 224, 224, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

/* 404 Page */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 100vh;
    padding: var(--space-xl);
}

.error-title {
    font-size: clamp(5rem, 20vw, 15rem);
    color: var(--color-cyan);
    line-height: 1;
    margin: 0;
    position: relative;
    z-index: 1;
}

.error-subtitle {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin: var(--space-lg) 0;
}

.error-text {
    max-width: 600px;
    margin-bottom: var(--space-lg);
}

/* Thank You Page */
.thank-you {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 80vh;
    padding: var(--space-xl);
}

.thank-you-icon {
    font-size: 6rem;
    color: var(--color-neon);
    margin-bottom: var(--space-lg);
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

.thank-you-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-md);
}

.thank-you-text {
    margin-bottom: var(--space-lg);
}

/* Privacy/Terms/Cookies Pages */
.legal-page {
    padding: var(--space-xl) 0;
}

.legal-content {
    background: rgba(27, 42, 58, 0.6);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.legal-content h2 {
    font-size: var(--font-size-2xl);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-lg);
    color: var(--color-cyan);
}

.legal-content h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.legal-content ul, .legal-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-lg);
}

.legal-content li {
    margin-bottom: var(--space-sm);
}

.home-button {
    display: inline-block;
    margin-bottom: var(--space-lg);
    color: var(--color-cyan);
    transition: color var(--transition-fast);
}

.home-button:hover {
    color: var(--color-neon);
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title::after {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-subtitle {
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-image {
        margin-top: var(--space-xl);
    }
}

@media (max-width: 992px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
        --font-size-xl: 1.25rem;
    }

    .section {
        padding: var(--space-lg) 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-map {
        margin-top: var(--space-lg);
        height: 300px;
    }
}

@media (max-width: 768px) {
    .cookie-content{
        flex-direction: column;
    }

    .grid{
        display: flex;
        flex-direction: column;
    }

    :root {
        --space-xl: 3rem;
    }

    .instructors-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.5rem;
        --font-size-xl: 1.25rem;
        --space-xl: 2.5rem;
    }

    .container {
        width: 95%;
        padding: var(--space-sm);
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Utilities */
.text-center {
    text-align: center;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.hidden {
    display: none;
}

.highlight {
    color: var(--color-neon);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-cyan);
    color: var(--color-midnight);
}

.btn-outline:hover {
    background: var(--color-cyan);
    color: var(--color-midnight);
}

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

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in-delay-1 {
    animation: fadeIn 1s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}


/* Advanced Animations and Effects for Quantum Membrane Aesthetics */
:root {
    /* Extended Color Palette */
    --quantum-twilight-base: #0D1B2A;
    --quantum-twilight-deep: #0A1622;
    --quantum-twilight-highlight: #1B2A3A;
    --quantum-cyan-pulse: #00B4D8;
    --quantum-cyan-glow: rgba(0, 180, 216, 0.6);
    --quantum-neon-pulse: #9EF01A;
    --quantum-neon-glow: rgba(158, 240, 26, 0.6);
    --holographic-pearl: rgba(255, 255, 255, 0.8);
    --holographic-interference: rgba(180, 180, 255, 0.4);

    /* Animation Variables */
    --pulse-speed-slow: 8s;
    --pulse-speed-medium: 5s;
    --pulse-speed-fast: 3s;
    --morph-speed-slow: 20s;
    --morph-speed-medium: 12s;
    --morph-speed-fast: 6s;
}

/* ===== Quantum Pulse Effects ===== */
.quantum-pulse {
    position: relative;
    overflow: hidden;
}

.quantum-pulse::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
            circle at center,
            var(--quantum-cyan-glow) 0%,
            transparent 30%,
            var(--quantum-neon-glow) 60%,
            transparent 70%
    );
    opacity: 0;
    transform: scale(0.8);
    animation: quantum-pulse var(--pulse-speed-medium) ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
    mix-blend-mode: screen;
}

@keyframes quantum-pulse {
    0%, 100% {
        opacity: 0;
        transform: scale(0.8) rotate(0deg);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.2) rotate(15deg);
    }
}

/* ===== Membrane Undulation Effects ===== */
.membrane-undulate {
    position: relative;
    overflow: hidden;
}

.membrane-undulate::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
            ellipse at center,
            var(--quantum-twilight-highlight) 0%,
            transparent 70%
    );
    opacity: 0.5;
    animation: membrane-wave var(--morph-speed-slow) ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes membrane-wave {
    0%, 100% {
        transform: translate(-30%, -30%) scale(1);
    }
    25% {
        transform: translate(10%, -20%) scale(1.1);
    }
    50% {
        transform: translate(30%, 30%) scale(1);
    }
    75% {
        transform: translate(-10%, 20%) scale(1.1);
    }
}

/* ===== Holographic Edge Effects ===== */
.holographic-edge {
    position: relative;
}

.holographic-edge::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid transparent;
    border-radius: inherit;
    background: linear-gradient(45deg,
    transparent 0%,
    var(--holographic-pearl) 25%,
    var(--quantum-cyan-pulse) 50%,
    var(--quantum-neon-pulse) 75%,
    transparent 100%
    ) border-box;
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    animation: holographic-shift var(--pulse-speed-medium) linear infinite;
    opacity: 0.7;
    pointer-events: none;
}

@keyframes holographic-shift {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 300% 0%;
    }
}

/* ===== Fractal Architecture Background ===== */
.fractal-architecture-bg {
    position: relative;
    overflow: hidden;
}

.fractal-architecture-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
            repeating-linear-gradient(0deg,
            var(--quantum-twilight-highlight) 0px,
            var(--quantum-twilight-highlight) 1px,
            transparent 1px,
            transparent 20px
            ),
            repeating-linear-gradient(90deg,
            var(--quantum-twilight-highlight) 0px,
            var(--quantum-twilight-highlight) 1px,
            transparent 1px,
            transparent 20px
            );
    transform: perspective(500px) rotateX(60deg);
    transform-origin: center top;
    animation: fractal-grid-shift var(--morph-speed-slow) linear infinite;
    opacity: 0.2;
    z-index: -1;
}

@keyframes fractal-grid-shift {
    0% {
        transform: perspective(500px) rotateX(60deg) translateY(0);
    }
    100% {
        transform: perspective(500px) rotateX(60deg) translateY(20px);
    }
}

/* ===== Biomechanical Element Animations ===== */
.biomechanical-element {
    position: relative;
    overflow: hidden;
}

.biomechanical-element::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 300%;
    height: 100%;
    background: linear-gradient(90deg,
    transparent 0%,
    var(--quantum-cyan-glow) 40%,
    var(--quantum-neon-glow) 50%,
    var(--quantum-cyan-glow) 60%,
    transparent 100%
    );
    opacity: 0.3;
    animation: biomech-scan var(--pulse-speed-medium) ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
    mix-blend-mode: overlay;
}

@keyframes biomech-scan {
    0%, 100% {
        transform: translateX(0%) skewX(45deg);
        opacity: 0;
    }
    33% {
        opacity: 0.3;
    }
    66% {
        opacity: 0.3;
    }
    100% {
        transform: translateX(33.33%) skewX(45deg);
        opacity: 0;
    }
}

/* ===== Geometric Morphing Effects ===== */
.geometric-morph {
    position: relative;
    z-index: 1;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.geometric-morph::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg,
    var(--quantum-twilight-highlight) 0%,
    transparent 100%
    );
    transform: scale(0.6) rotate(0deg);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: -1;
    border-radius: inherit;
}

.geometric-morph:hover::before {
    opacity: 1;
    transform: scale(1) rotate(5deg);
}

/* ===== Advanced Scroll Animations ===== */
/* Fade In From Quantum Void */
@keyframes quantum-fade-in {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(30px);
        filter: blur(8px);
    }
    50% {
        filter: blur(4px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0);
    }
}

/* Quantum Entanglement */
@keyframes quantum-entangle {
    0% {
        opacity: 0;
        transform: translateX(-50px) scale(1.2);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    }
    30% {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    60% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
}

/* Architectural Assembly */
@keyframes architectural-assemble {
    0% {
        opacity: 0;
        transform: translateY(100px);
        filter: contrast(0.8) brightness(0.8);
    }
    20% {
        opacity: 0.2;
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: contrast(1) brightness(1);
    }
}

/* Fractal Recursion */
@keyframes fractal-recursion {
    0% {
        opacity: 0;
        transform: scale(0) rotate(-10deg);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1) rotate(5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

/* Holographic Reveal */
@keyframes holographic-reveal {
    0% {
        opacity: 0;
        transform: perspective(800px) rotateX(60deg);
        filter: hue-rotate(60deg) brightness(0.8);
    }
    50% {
        filter: hue-rotate(30deg) brightness(0.9);
    }
    100% {
        opacity: 1;
        transform: perspective(800px) rotateX(0deg);
        filter: hue-rotate(0deg) brightness(1);
    }
}

/* Apply animation classes */
.quantum-fade-in {
    animation: quantum-fade-in 1.2s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

.quantum-entangle {
    animation: quantum-entangle 1.5s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

.architectural-assemble {
    animation: architectural-assemble 1s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

.fractal-recursion {
    animation: fractal-recursion 1.2s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

.holographic-reveal {
    animation: holographic-reveal 1.5s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

/* Animation Delay Classes */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }
.delay-900 { animation-delay: 900ms; }
.delay-1000 { animation-delay: 1000ms; }

/* ===== Custom Cursor Effects ===== */
.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--quantum-cyan-pulse);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, border-color 0.3s;
}

.cursor-trail {
    position: fixed;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--quantum-neon-pulse);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    opacity: 0.7;
}

/* ===== Interactive Elements ===== */
.quantum-interactive {
    position: relative;
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    overflow: hidden;
}

.quantum-interactive::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
            circle at center,
            var(--quantum-neon-glow) 0%,
            transparent 70%
    );
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    pointer-events: none;
    z-index: -1;
    mix-blend-mode: screen;
}

.quantum-interactive:hover::after {
    opacity: 0.3;
    transform: scale(1);
}

/* Enhanced Button Effects */
.button {
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.button::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
    var(--quantum-cyan-pulse),
    var(--quantum-neon-pulse),
    var(--quantum-cyan-pulse)
    );
    z-index: -2;
    background-size: 200% 200%;
    animation: button-gradient 3s ease infinite;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-cyan);
    z-index: -1;
    border-radius: inherit;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    color: var(--color-white);
}

.button:hover::before {
    opacity: 1;
}

.button:hover::after {
    opacity: 0.8;
    background: var(--color-cyan);
}

@keyframes button-gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ===== Fractal Card Elements ===== */
.fractal-card {
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.fractal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
    rgba(27, 42, 58, 0.8) 0%,
    rgba(13, 27, 42, 0.8) 100%
    );
    z-index: -2;
}

.fractal-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
            45deg,
            var(--quantum-cyan-glow) 0%,
            transparent 5%,
            transparent 45%,
            var(--quantum-neon-glow) 50%,
            transparent 55%,
            transparent 95%,
            var(--quantum-cyan-glow) 100%
    );
    opacity: 0.05;
    transform: translateY(100%);
    transition: all 1s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: -1;
    animation: fractal-shift 20s linear infinite;
}

.fractal-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.fractal-card:hover::after {
    transform: translateY(0);
    opacity: 0.1;
}

@keyframes fractal-shift {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 100%;
    }
}

/* ===== Responsive Adaptations ===== */
/* For high-performance devices */
@media (min-width: 992px) {
    .quantum-pulse::before {
        animation-duration: var(--pulse-speed-medium);
    }

    .membrane-undulate::before {
        animation-duration: var(--morph-speed-medium);
    }

    .fractal-architecture-bg::before {
        opacity: 0.3;
    }
}

/* For medium-performance devices */
@media (max-width: 991px) and (min-width: 768px) {
    .quantum-pulse::before {
        animation-duration: var(--pulse-speed-slow);
    }

    .membrane-undulate::before {
        animation-duration: var(--morph-speed-slow);
    }

    .fractal-architecture-bg::before {
        opacity: 0.2;
    }

    .biomechanical-element::before {
        display: none;
    }
}

/* For low-performance devices */
@media (max-width: 767px) {
    .quantum-pulse::before {
        animation: none;
    }

    .membrane-undulate::before {
        animation: none;
    }

    .fractal-architecture-bg::before {
        opacity: 0.1;
        transform: none;
        animation: none;
        background-image: linear-gradient(135deg,
        var(--quantum-twilight-highlight) 0%,
        transparent 100%
        );
    }

    .biomechanical-element::before {
        display: none;
    }
}

/* ===== Print Media Override ===== */
@media print {
    .quantum-pulse::before,
    .membrane-undulate::before,
    .holographic-edge::after,
    .fractal-architecture-bg::before,
    .biomechanical-element::before {
        display: none !important;
    }
}

/* Create the glitch effect for text elements */
.glitch-text {
    position: relative;
    display: inline-block;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    left: 2px;
    text-shadow: -1px 0 var(--quantum-cyan-pulse);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-1 5s infinite linear alternate-reverse;
}

.glitch-text::after {
    left: -2px;
    text-shadow: 1px 0 var(--quantum-neon-pulse);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-2 5s infinite linear alternate-reverse;
    animation-delay: 0.3s;
}

@keyframes glitch-anim-1 {
    0% { clip: rect(99px, 9999px, 70px, 0); }
    10% { clip: rect(29px, 9999px, 76px, 0); }
    20% { clip: rect(94px, 9999px, 98px, 0); }
    30% { clip: rect(13px, 9999px, 75px, 0); }
    40% { clip: rect(21px, 9999px, 12px, 0); }
    50% { clip: rect(35px, 9999px, 99px, 0); }
    60% { clip: rect(53px, 9999px, 9px, 0); }
    70% { clip: rect(98px, 9999px, 7px, 0); }
    80% { clip: rect(11px, 9999px, 44px, 0); }
    90% { clip: rect(89px, 9999px, 21px, 0); }
    100% { clip: rect(50px, 9999px, 63px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(65px, 9999px, 32px, 0); }
    10% { clip: rect(9px, 9999px, 95px, 0); }
    20% { clip: rect(75px, 9999px, 23px, 0); }
    30% { clip: rect(57px, 9999px, 97px, 0); }
    40% { clip: rect(29px, 9999px, 55px, 0); }
    50% { clip: rect(76px, 9999px, 83px, 0); }
    60% { clip: rect(82px, 9999px, 22px, 0); }
    70% { clip: rect(19px, 9999px, 26px, 0); }
    80% { clip: rect(7px, 9999px, 74px, 0); }
    90% { clip: rect(64px, 9999px, 51px, 0); }
    100% { clip: rect(10px, 9999px, 82px, 0); }
}

.burger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 32px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    padding: 5px;
    overflow: visible;
    transform: scale(1);
    transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}


.burger span {
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    border-radius: var(--border-radius-full);
    position: relative;
    display: block;
    transform-origin: center;
}

.burger::after {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: -12px;
    bottom: -12px;
    background: radial-gradient(circle at center, rgba(0, 180, 216, 0.2) 0%, transparent 80%);
    opacity: 0;
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: -1;
    pointer-events: none;
}

.burger:hover {
    transform: scale(1.05);
}

.burger span {
    background: var(--color-neon);
}

.burger span:nth-child(1) {
    transform: translateY(-1px);
}

.burger span:nth-child(3) {
    transform: translateY(1px);
}

.burger::after {
    opacity: 0.8;
    animation: pulse-burger 2s infinite;
}

@keyframes pulse-burger {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 180, 216, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(0, 180, 216, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 180, 216, 0);
    }
}

.navbar.active + .nav-overlay + .burger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background: var(--color-neon);
}

.navbar.active + .nav-overlay + .burger span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.navbar.active + .nav-overlay + .burger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background: var(--color-neon);
}