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

:root {
    --primary-red: #dc143c;
    --dark-red: #8b0000;
    --light-red: #ff4757;
    --accent-red: #ff6b81;
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --text-light: #ffffff;
    --text-gray: #cccccc;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a0000 0%, #330000 50%, #0a0a0a 100%);
    background-attachment: fixed;
    color: var(--text-light);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(220, 20, 60, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 71, 87, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: bgPulse 10s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.navbar {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-red);
    box-shadow: 0 4px 20px rgba(220, 20, 60, 0.3);
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    animation: glow 2s ease-in-out infinite;
}

.nav-brand i {
    font-size: 2rem;
    color: var(--primary-red);
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes glow {
    0%, 100% { filter: drop-shadow(0 0 5px var(--primary-red)); }
    50% { filter: drop-shadow(0 0 20px var(--light-red)); }
}

.nav-brand h1 {
    font-size: 1.8rem;
    background: linear-gradient(45deg, var(--primary-red), var(--light-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), var(--light-red));
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--light-red);
}

.nav-menu a:hover::after {
    width: 100%;
}

.btn-invite {
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(220, 20, 60, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.btn-invite:hover {
    background: linear-gradient(135deg, var(--light-red), var(--primary-red));
    color: #fff !important;
    box-shadow: 0 6px 25px rgba(255, 71, 87, 0.6);
    transform: translateY(-2px);
}

main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

.hero {
    text-align: center;
    padding: 5rem 0;
    position: relative;
}

.hero-icon {
    font-size: 6rem;
    color: var(--primary-red);
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 0 30px var(--primary-red));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--light-red), var(--primary-red), var(--accent-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: var(--text-gray);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn i {
    position: relative;
    z-index: 1;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    color: #fff;
    box-shadow: 0 4px 15px rgba(220, 20, 60, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(255, 71, 87, 0.6);
}

.btn-secondary {
    background: rgba(220, 20, 60, 0.2);
    color: #fff;
    border: 2px solid var(--primary-red);
    box-shadow: 0 4px 15px rgba(220, 20, 60, 0.2);
}

.btn-secondary:hover {
    background: rgba(220, 20, 60, 0.3);
    box-shadow: 0 6px 25px rgba(220, 20, 60, 0.4);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: linear-gradient(135deg, rgba(220, 20, 60, 0.1), rgba(139, 0, 0, 0.1));
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(220, 20, 60, 0.3);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.6s ease-out backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(220, 20, 60, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-red);
    box-shadow: 0 10px 40px rgba(220, 20, 60, 0.4);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
    display: inline-block;
    animation: iconBounce 2s ease-in-out infinite;
    filter: drop-shadow(0 0 10px var(--primary-red));
}

@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.feature-card:hover .feature-icon {
    animation: iconSpin 0.6s ease-in-out;
}

@keyframes iconSpin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
    100% { transform: rotate(360deg) scale(1); }
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--light-red);
}

.content-section {
    background: linear-gradient(135deg, rgba(220, 20, 60, 0.1), rgba(10, 10, 10, 0.8));
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 20px;
    margin: 2rem auto;
    max-width: 900px;
    border: 1px solid rgba(220, 20, 60, 0.3);
    box-shadow: 0 8px 32px rgba(220, 20, 60, 0.2);
    animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.content-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, var(--light-red), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
}

.content-section h2 i {
    color: var(--primary-red);
    filter: drop-shadow(0 0 10px var(--primary-red));
}

.content-section h3 {
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-red);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.content-section h3 i {
    color: var(--primary-red);
}

.content-section p {
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.content-section ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content-section li {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
    position: relative;
    padding-left: 1rem;
}

.content-section li::before {
    content: '▸';
    position: absolute;
    left: -1rem;
    color: var(--primary-red);
}

.command-list {
    display: grid;
    gap: 1rem;
}

.command-item {
    background: rgba(220, 20, 60, 0.05);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-red);
    transition: all 0.3s ease;
    animation: slideInLeft 0.5s ease-out backwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.command-item:hover {
    background: rgba(220, 20, 60, 0.1);
    border-left-width: 8px;
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(220, 20, 60, 0.3);
}

.command-item code {
    background: rgba(220, 20, 60, 0.2);
    padding: 0.3rem 0.7rem;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    color: var(--light-red);
    border: 1px solid rgba(220, 20, 60, 0.3);
}

footer {
    background: linear-gradient(180deg, transparent, rgba(10, 10, 10, 0.9));
    padding: 2rem 0;
    text-align: center;
    border-top: 2px solid var(--primary-red);
    margin-top: 4rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-red), transparent);
    animation: lineMove 3s linear infinite;
}

@keyframes lineMove {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: var(--light-red);
}

.footer-links a:hover::after {
    width: 100%;
}

.success-message, .error-message {
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
    animation: popIn 0.5s ease-out;
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.success-message {
    background: linear-gradient(135deg, rgba(0, 255, 0, 0.1), rgba(0, 128, 0, 0.1));
    border: 2px solid #00ff00;
}

.error-message {
    background: linear-gradient(135deg, rgba(255, 0, 0, 0.1), rgba(139, 0, 0, 0.1));
    border: 2px solid #ff0000;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-red), var(--dark-red));
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--light-red), var(--primary-red));
}

/* Selection */
::selection {
    background: var(--primary-red);
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-icon {
        font-size: 4rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .content-section {
        padding: 2rem 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}