:root {
    --bg-color: #0a0a12;
    --text-color: #e0e0e0;
    --primary-color: #00f2ff;
    --secondary-color: #7b2cbf;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --hover-bg: rgba(0, 242, 255, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
.background-globes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.globe {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.globe-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
    animation: float 20s infinite alternate;
}

.globe-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary-color);
    bottom: -150px;
    right: -150px;
    animation: float 15s infinite alternate-reverse;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Header */
header {
    text-align: center;
    padding: 3rem 1rem;
    animation: fadeInDown 1s ease-out;
}

header h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -2px;
    background: linear-gradient(to right, var(--primary-color), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(0, 242, 255, 0.3);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.7;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    width: 90%;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Tabs */
.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-link {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.tab-link:hover {
    background: var(--hover-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-link.active {
    background: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.4);
}

/* Tab Content */
.tab-content {
    display: none;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    animation: fadeInUp 0.5s ease-out;
    margin-bottom: 3rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.tab-content.active {
    display: block;
}

.tab-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--glass-border);
    padding-bottom: 0.5rem;
    color: var(--primary-color);
}

.content-scroll {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 1rem;
}

/* Custom Scrollbar */
.content-scroll::-webkit-scrollbar {
    width: 6px;
}
.content-scroll::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
}
.content-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: #fff;
    font-size: 1.3rem;
}

p {
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.highlight {
    background: rgba(255, 50, 50, 0.1);
    border-left: 4px solid #ff4444;
    padding: 1rem;
    border-radius: 0 10px 10px 0;
    color: #ffaaaa;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}