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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #0c0c1e 0%, #1a1a3e 50%, #2d1b69 100%);
    color: #ffffff;
    overflow-x: hidden;
    position: relative;
}

/* Animated starfield background */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }
}

.shooting-star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #00ffff;
    border-radius: 50%;
    animation: shoot 4s infinite linear;
}

@keyframes shoot {
    0% {
        transform: translateX(-100vw) translateY(100vh);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateX(100vw) translateY(-100vh);
        opacity: 0;
    }
}

/* Main content */
.container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 15px 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(0, 255, 255, 0.5);
    transition: all 0.3s ease;
}

    .logo-image:hover {
        border-color: #00ffff;
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
        transform: scale(1.05);
    }

.logo-text {
    font-size: 1.6rem;
    font-weight: bold;
    color: #00ffff;
    text-shadow: 0 0 20px #00ffff;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

    .nav-links a {
        color: #ffffff;
        text-decoration: none;
        padding: 10px 20px;
        border-radius: 25px;
        transition: all 0.3s ease;
        border: 1px solid transparent;
    }

        .nav-links a:hover {
            background: rgba(0, 255, 255, 0.2);
            border: 1px solid #00ffff;
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
        }

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    transition: all 0.3s ease;
}

    .mobile-menu-toggle:hover {
        background: rgba(0, 255, 255, 0.2);
        border-color: #00ffff;
    }

    .mobile-menu-toggle span {
        width: 25px;
        height: 3px;
        background: #00ffff;
        margin: 3px 0;
        transition: 0.3s;
        border-radius: 2px;
    }

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 15px;
    margin-top: 10px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

    .mobile-menu.active {
        display: block;
        animation: slideDown 0.3s ease;
    }

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    list-style: none;
    gap: 15px;
}

    .mobile-nav-links a {
        color: #ffffff;
        text-decoration: none;
        padding: 15px 20px;
        border-radius: 10px;
        transition: all 0.3s ease;
        border: 1px solid transparent;
        text-align: center;
        font-size: 1.1rem;
    }

        .mobile-nav-links a:hover {
            background: rgba(0, 255, 255, 0.2);
            border: 1px solid #00ffff;
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
        }

/* Hamburger Animation */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    text-align: center;
    position: relative;
}

    .hero::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(0, 255, 255, 0.3) 0%, transparent 70%);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        animation: pulse 3s infinite;
    }

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #00ffff, #ffffff, #00ffff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glow 2s infinite alternate;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.5));
    }

    to {
        filter: drop-shadow(0 0 20px rgba(0, 255, 255, 1));
    }
}

.hero .slogan {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #a0a0ff;
    font-style: italic;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(45deg, #00ffff, #0080ff);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

    .cta-button::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        transition: left 0.5s;
    }

    .cta-button:hover::before {
        left: 100%;
    }

    .cta-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
    }

/* Services Section */
.services {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.2);
    margin-top: 50px;
}

    .services h2 {
        text-align: center;
        font-size: 3rem;
        margin-bottom: 60px;
        color: #00ffff;
        text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
    }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

    .service-card::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: conic-gradient(transparent, rgba(0, 255, 255, 0.1), transparent);
        animation: rotate 4s linear infinite;
        opacity: 0;
        transition: opacity 0.3s;
    }

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

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.2);
    border-color: #00ffff;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #00ffff;
    position: relative;
    z-index: 1;
}

.service-card p {
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* About Section */
.about {
    padding: 100px 0;
    text-align: center;
}

    .about h2 {
        font-size: 3rem;
        margin-bottom: 30px;
        color: #00ffff;
    }

    .about p {
        font-size: 1.2rem;
        line-height: 1.8;
        max-width: 800px;
        margin: 0 auto;
    }

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(0, 255, 255, 0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.contact-info p {
    margin: 5px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .slogan {
        font-size: 1.2rem;
    }

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

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

    /* Mobile Navigation */
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .logo-text {
        font-size: 1.3rem;
    }

    .logo-image {
        width: 40px;
        height: 40px;
    }
}

/* Floating planets */
.planet {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
}

.planet1 {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle at 30% 30%, #ff6b6b, #d63031);
    top: 20%;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.planet2 {
    width: 40px;
    height: 40px;
    background: radial-gradient(circle at 30% 30%, #74b9ff, #0984e3);
    top: 60%;
    left: 5%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    padding: 100px 0 50px;
    text-align: center;
    position: relative;
}

    .hero::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(0, 255, 255, 0.2) 0%, transparent 70%);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        animation: pulse 4s infinite;
    }

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.6;
    }
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #00ffff, #ffffff, #00ffff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    z-index: 10;
}

.hero .tagline {
    font-size: 1.5rem;
    color: #a0a0ff;
    font-style: italic;
    margin-bottom: 30px;
    position: relative;
    z-index: 10;
}

/* Content Sections */
.section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    color: #00ffff;
    text-align: center;
    margin-bottom: 50px;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.content-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

    .content-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(0, 255, 255, 0.1);
        border-color: #00ffff;
    }

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

/* Mission Section */
.mission {
    background: rgba(0, 0, 0, 0.2);
}

.mission-content {
    text-align: center;
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

.mission-highlight {
    background: linear-gradient(45deg, #00ffff, #0080ff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 1.3em;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

    .value-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
        transition: left 0.5s;
    }

    .value-card:hover::before {
        left: 100%;
    }

    .value-card:hover {
        transform: translateY(-10px);
        border-color: #00ffff;
        box-shadow: 0 20px 40px rgba(0, 255, 255, 0.2);
    }

.value-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.value-card h3 {
    color: #00ffff;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.value-card p {
    position: relative;
    z-index: 1;
}

/* Stats Section */
.stats {
    background: rgba(0, 0, 0, 0.3);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 30px;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: #00ffff;
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    color: #a0a0ff;
}

/* Team Section */
.approach-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.step-card {
    background: linear-gradient(145deg, rgba(0, 255, 255, 0.1), rgba(0, 128, 255, 0.1));
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #00ffff, #0080ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
}

.step-card h4 {
    color: #00ffff;
    margin: 20px 0 15px;
}

/* Technology Section */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.tech-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

    .tech-item:hover {
        transform: scale(1.05);
        border-color: #00ffff;
        box-shadow: 0 10px 20px rgba(0, 255, 255, 0.2);
    }

.tech-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

/* CTA Section */
.cta-section {
    text-align: center;
    background: rgba(0, 0, 0, 0.4);
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(45deg, #00ffff, #0080ff);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 20px;
}

    .cta-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
    }

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .two-column {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .content-card {
        padding: 25px;
    }
}


/* Stats Overview */
.stats-overview {
    padding: 60px 0;
    background: rgba(0, 0, 0, 0.3);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 15px;
    padding: 30px 20px;
    transition: all 0.3s ease;
}

    .stat-item:hover {
        transform: translateY(-5px);
        border-color: #00ffff;
        box-shadow: 0 15px 30px rgba(0, 255, 255, 0.2);
    }

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #00ffff;
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    color: #a0a0ff;
    font-size: 1rem;
}

/* Case Studies */
.case-study {
    padding: 80px 0;
    position: relative;
}

    .case-study:nth-child(even) {
        background: rgba(0, 0, 0, 0.2);
    }

.case-study-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

    .case-study-card::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: conic-gradient(transparent, rgba(0, 255, 255, 0.05), transparent);
        animation: rotate 8s linear infinite;
        opacity: 0;
        transition: opacity 0.3s;
    }

    .case-study-card:hover::before {
        opacity: 1;
    }

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

.case-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.case-icon {
    font-size: 3rem;
    margin-right: 20px;
    padding: 15px;
    background: linear-gradient(45deg, #00ffff, #0080ff);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    height: 80px;
}

.case-title {
    flex: 1;
}

    .case-title h2 {
        color: #00ffff;
        font-size: 2rem;
        margin-bottom: 5px;
    }

.case-subtitle {
    color: #a0a0ff;
    font-size: 1.1rem;
}

.case-content {
    position: relative;
    z-index: 1;
}

.challenge-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 30px 0;
}

.challenge, .solution {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 25px;
    border-left: 4px solid #00ffff;
}

    .challenge h4, .solution h4 {
        color: #00ffff;
        margin-bottom: 15px;
        font-size: 1.2rem;
    }

.tech-stack {
    margin: 30px 0;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.tech-tag {
    background: rgba(0, 255, 255, 0.2);
    color: #00ffff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 255, 0.3);
}

.results {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(0, 128, 255, 0.1));
    border-radius: 15px;
    padding: 25px;
    margin-top: 30px;
}

    .results h4 {
        color: #00ffff;
        margin-bottom: 20px;
        text-align: center;
    }

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.result-item {
    text-align: center;
    padding: 15px;
}

.result-metric {
    font-size: 2rem;
    font-weight: bold;
    color: #00ffff;
    display: block;
}

.result-label {
    color: #ffffff;
    font-size: 0.9rem;
}

/* Capabilities Section */
.capabilities {
    padding: 80px 0;
    background: rgba(0, 0, 0, 0.3);
}

.section-title {
    font-size: 2.5rem;
    color: #00ffff;
    text-align: center;
    margin-bottom: 50px;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.capability-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

    .capability-card:hover {
        transform: translateY(-10px);
        border-color: #00ffff;
        box-shadow: 0 20px 40px rgba(0, 255, 255, 0.2);
    }

.capability-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.capability-card h3 {
    color: #00ffff;
    margin-bottom: 15px;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    text-align: center;
}

.cta-card {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(0, 255, 255, 0.4);
    border-radius: 20px;
    padding: 50px;
    max-width: 800px;
    margin: 0 auto;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(45deg, #00ffff, #0080ff);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
    margin: 10px;
}

    .cta-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
    }

    .cta-button.secondary {
        background: transparent;
        border: 2px solid #00ffff;
    }

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .challenge-solution {
        grid-template-columns: 1fr;
    }

    .case-header {
        flex-direction: column;
        text-align: center;
    }

    .case-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }
}


.policy-content {
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    animation: slideInUp 0.8s ease-out;
}

.policy-title {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
    text-align: center;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.last-updated {
    text-align: center;
    color: #666;
    font-style: italic;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #eee;
}

.highlight-box {
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-left: 4px solid #667eea;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 10px 10px 0;
}


.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
}

    .back-to-top.visible {
        opacity: 1;
        visibility: visible;
    }

    .back-to-top:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    }


.toc {
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

    .toc h3 {
        color: #333;
        margin-bottom: 1rem;
    }

    .toc ul {
        list-style: none;
        padding: 0;
    }

    .toc li {
        margin-bottom: 0.5rem;
    }

    .toc a {
        color: #667eea;
        text-decoration: none;
        transition: color 0.3s ease;
    }

        .toc a:hover {
            color: #ff6b6b;
            text-decoration: underline;
        }