:root {
    --primary: #00f7ff;
    --secondary: #b967ff;
    --accent: #ff2a6d;
    --dark: #0c0f1d;
    --light: #f0f8ff;
    --glass: rgba(255, 255, 255, 0.05);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --glow: 0 0 15px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Exo 2', sans-serif;
    background: var(--dark);
    color: var(--light);
    overflow-x: hidden;
    min-height: 100vh;
    background: radial-gradient(circle at center, #0c0f1d 0%, #050811 100%);
    line-height: 1.6;
}

.light-mode {
    --dark: #f0f8ff;
    --light: #0c0f1d;
    --glass: rgba(0, 0, 0, 0.05);
    background: radial-gradient(circle at center, #e6f7ff 0%, #cce5ff 100%);
}


/* Header & Navigation */

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    background: var(--glass);
    border-bottom: 1px solid rgba(0, 247, 255, 0.1);
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: var(--glow) rgba(0, 247, 255, 0.3);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
}

nav a:hover {
    color: var(--primary);
}

nav a:hover::after {
    width: 100%;
}

.controls {
    display: flex;
    gap: 1rem;
}

.control-btn {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.control-btn:hover {
    background: rgba(0, 247, 255, 0.1);
    box-shadow: 0 0 15px var(--primary);
}

.lang-btn {
    width: auto;
    padding: 0 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}


/* Hero Section */

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 0 5%;
}

.hero-content {
    max-width: 600px;
    z-index: 10;
}

.hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero h1 span {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(185, 103, 255, 0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--dark);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.6s;
}

.cta-button:hover::after {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 247, 255, 0.4);
}

.hologram-container {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    z-index: 1;
    perspective: 1000px;
}

.hologram {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 247, 255, 0.1), rgba(185, 103, 255, 0.1));
    border-radius: 50%;
    transform-style: preserve-3d;
    animation: rotateHologram 20s infinite linear;
    box-shadow: inset 0 0 100px var(--primary), 0 0 50px var(--secondary);
}

.hologram-inner {
    position: absolute;
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
    background: linear-gradient(45deg, rgba(0, 247, 255, 0.2), rgba(185, 103, 255, 0.2));
    border-radius: 50%;
    box-shadow: inset 0 0 80px var(--secondary), 0 0 30px var(--primary);
}

.hologram-core {
    position: absolute;
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
    background: radial-gradient(circle, rgba(0, 247, 255, 0.4) 0%, rgba(185, 103, 255, 0.4) 100%);
    border-radius: 50%;
    animation: pulseCore 4s infinite alternate;
}

.ai-figure {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 80%;
    background: url('https://images.unsplash.com/photo-1633332755192-727a05c4013d?auto=format&fit=crop&w=400') center/contain no-repeat;
    filter: drop-shadow(0 0 20px var(--primary)) hue-rotate(90deg);
    opacity: 0.9;
}


/* Sections */

section {
    padding: 8rem 5%;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-header p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
    opacity: 0.8;
}


/* Cards & Grids */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--glass);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent));
    z-index: -1;
    border-radius: 22px;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark);
    z-index: -1;
    border-radius: 18px;
}

.light-mode .card::after {
    background: var(--light);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 247, 255, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}


/* Stats */

.stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.8;
}


/* Fundraising Section */

.fundraising {
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 247, 255, 0.05), rgba(185, 103, 255, 0.05)));
    border-radius: 20px;
    padding: 4rem;
    margin-top: 3rem;
    position: relative;
    overflow: hidden;
}

.fundraising::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.fundraising h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.progress-bar {
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 2rem auto;
    max-width: 600px;
    overflow: hidden;
    position: relative;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    width: 65%;
    border-radius: 10px;
    position: relative;
    transition: width 1s ease-in-out;
}

.progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: progress-shine 2s infinite;
}


/* Footer */

footer {
    padding: 4rem 5% 2rem;
    text-align: center;
    background: rgba(5, 8, 17, 0.8);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--light);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--dark);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 247, 255, 0.4);
}

.copyright {
    margin-top: 2rem;
    opacity: 0.6;
    font-size: 0.9rem;
}


/* Language Switch */

.lang-switch {
    display: flex;
    justify-content: center;
    margin: 1rem 0 3rem;
}

.lang-option {
    padding: 0.5rem 1.5rem;
    margin: 0 0.5rem;
    background: var(--glass);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.lang-option.active {
    background: rgba(0, 247, 255, 0.1);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 247, 255, 0.2);
}


/* Animations */

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 247, 255, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 247, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 247, 255, 0);
    }
}

@keyframes rotateHologram {
    0% {
        transform: rotateY(0deg) rotateX(10deg);
    }
    100% {
        transform: rotateY(360deg) rotateX(10deg);
    }
}

@keyframes pulseCore {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }
    100% {
        transform: scale(1.1);
        opacity: 1;
    }
}

@keyframes progress-shine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.animated-text {
    display: inline-block;
}

.animated-text span {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    animation: text-appear 0.5s forwards;
}

@keyframes text-appear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Responsive Design */

@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    .hero-content {
        margin-top: 5rem;
        margin-bottom: 3rem;
    }
    .hologram-container {
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        width: 100%;
        max-width: 400px;
        height: 400px;
        margin: 0 auto;
    }
    nav ul {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    .section-header h2 {
        font-size: 2rem;
    }
    .stats {
        gap: 1.5rem;
    }
    .stat-number {
        font-size: 2.2rem;
    }
    .fundraising {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .card {
        padding: 1.5rem;
    }
    .hologram-container {
        height: 300px;
    }
}