/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --tiffany: #81D8D0;
    --tiffany-dark: #5BC0BE;
    --tiffany-light: #A8E6CF;
    --neon-cyan: #00FFFF;
    --neon-pink: #FF00FF;
    --neon-purple: #8A2BE2;
    --dark-bg: #0A0A0A;
    --darker-bg: #050505;
    --card-bg: rgba(129, 216, 208, 0.1);
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--dark-bg);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(129, 216, 208, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--tiffany);
    box-shadow: 0 0 20px rgba(129, 216, 208, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tiffany);
    animation: neon-glow 2s ease-in-out infinite alternate;
}

.logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
    animation: shield-pulse 3s ease-in-out infinite;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--tiffany), var(--neon-cyan));
    transition: width 0.3s ease;
    z-index: -1;
    border-radius: 5px;
}

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

.nav-menu a:hover {
    color: var(--dark-bg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--tiffany);
    margin: 3px 0;
    transition: 0.3s;
    box-shadow: 0 0 5px var(--tiffany);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(129, 216, 208, 0.1) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(255, 0, 255, 0.1) 50%, transparent 70%);
    animation: background-shift 10s ease-in-out infinite;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    animation: fade-in-up 1s ease-out 0.5s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fade-in-up 1s ease-out 1s both;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--tiffany), var(--neon-cyan));
    color: var(--dark-bg);
    box-shadow: 0 0 20px rgba(129, 216, 208, 0.5);
    border: 2px solid var(--tiffany);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(129, 216, 208, 0.8);
    animation: button-pulse 0.6s ease-in-out;
}

.btn-secondary {
    background: transparent;
    color: var(--tiffany);
    border: 2px solid var(--tiffany);
    box-shadow: 0 0 15px rgba(129, 216, 208, 0.3);
}

.btn-secondary:hover {
    background: var(--tiffany);
    color: var(--dark-bg);
    box-shadow: 0 0 25px rgba(129, 216, 208, 0.6);
    transform: translateY(-3px);
}

/* Security Animation */
.security-animation {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
    animation: float 6s ease-in-out infinite;
}

.shield-icon {
    font-size: 4rem;
    color: var(--tiffany);
    z-index: 2;
    animation: shield-glow 3s ease-in-out infinite;
    text-shadow: 0 0 30px var(--tiffany);
}

.encryption-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring {
    position: absolute;
    border: 2px solid var(--tiffany);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
    box-shadow: 0 0 20px rgba(129, 216, 208, 0.5);
}

.ring-1 {
    width: 200px;
    height: 200px;
    animation-duration: 15s;
    border-color: var(--tiffany);
}

.ring-2 {
    width: 300px;
    height: 300px;
    animation-duration: 20s;
    animation-direction: reverse;
    border-color: var(--neon-cyan);
}

.ring-3 {
    width: 400px;
    height: 400px;
    animation-duration: 25s;
    border-color: var(--neon-pink);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--darker-bg);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(129, 216, 208, 0.05) 0%, transparent 70%);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--tiffany);
    box-shadow: 0 0 20px rgba(129, 216, 208, 0.2);
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(129, 216, 208, 0.2), transparent);
    transition: left 0.5s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 0 40px rgba(129, 216, 208, 0.4);
    border-color: var(--neon-cyan);
}

.feature-icon {
    font-size: 3rem;
    color: var(--tiffany);
    margin-bottom: 1rem;
    animation: icon-bounce 2s ease-in-out infinite;
    text-shadow: 0 0 15px var(--tiffany);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Security Section */
.security {
    padding: 80px 0;
    background: var(--dark-bg);
    position: relative;
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.security-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.security-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.security-list {
    list-style: none;
}

.security-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.security-list li:hover {
    transform: translateX(10px);
    color: var(--tiffany);
}

.security-list i {
    color: var(--tiffany);
    margin-right: 1rem;
    font-size: 1.2rem;
    animation: check-pulse 2s ease-in-out infinite;
}

/* Security Diagram */
.security-diagram {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.diagram-layer {
    background: linear-gradient(135deg, var(--tiffany), var(--neon-cyan));
    color: var(--dark-bg);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(129, 216, 208, 0.3);
    animation: layer-glow 3s ease-in-out infinite alternate;
}

.diagram-layer:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(129, 216, 208, 0.5);
}

.diagram-layer:not(:last-child)::after {
    content: '↓';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--tiffany);
    animation: arrow-bounce 2s ease-in-out infinite;
}

/* Quality Section */
.quality {
    padding: 80px 0;
    background: var(--darker-bg);
    color: var(--text-primary);
    position: relative;
}

.quality .section-title {
    color: var(--text-primary);
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.quality-card {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--tiffany);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.quality-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(129, 216, 208, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.quality-card:hover::before {
    transform: translateX(100%);
}

.quality-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px rgba(129, 216, 208, 0.4);
    border-color: var(--neon-cyan);
}

.quality-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--tiffany);
    margin-bottom: 1rem;
    animation: number-glow 3s ease-in-out infinite alternate;
}

.quality-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.quality-card p {
    color: var(--text-secondary);
}

/* Speed Slider Section */
.speed-slider-section {
    background: var(--card-bg);
    border: 1px solid var(--tiffany);
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 0 30px rgba(129, 216, 208, 0.2);
    margin-top: 2rem;
}

.speed-slider-section h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.speed-slider-container {
    max-width: 600px;
    margin: 0 auto;
}

.speed-display {
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(129, 216, 208, 0.1);
    border-radius: 10px;
    border: 1px solid var(--tiffany);
}

.speed-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--tiffany);
    animation: number-glow 3s ease-in-out infinite alternate;
}

.speed-unit {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.slider-wrapper {
    position: relative;
    margin: 2rem 0;
    height: 60px;
    display: flex;
    align-items: center;
}

.neon-slider {
    position: absolute;
    width: 100%;
    height: 8px;
    background: transparent;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    z-index: 2;
    cursor: pointer;
}

.neon-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--tiffany);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 20px var(--tiffany);
    transition: all 0.3s ease;
}

.neon-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 30px var(--tiffany);
}

.neon-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--tiffany);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 20px var(--tiffany);
    transition: all 0.3s ease;
}

.neon-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 30px var(--tiffany);
}

.slider-track {
    position: absolute;
    width: 100%;
    height: 8px;
    background: rgba(129, 216, 208, 0.2);
    border-radius: 4px;
    border: 1px solid var(--tiffany);
    box-shadow: 0 0 10px rgba(129, 216, 208, 0.3);
}

.slider-fill {
    position: absolute;
    height: 100%;
    background: linear-gradient(90deg, var(--tiffany), var(--neon-cyan));
    border-radius: 4px;
    transition: width 0.3s ease;
    box-shadow: 0 0 15px rgba(129, 216, 208, 0.5);
}

.speed-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.connection-status {
    margin-top: 2rem;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(129, 216, 208, 0.1);
    border: 1px solid var(--tiffany);
    border-radius: 25px;
    color: var(--tiffany);
    font-weight: 500;
}

.status-indicator i {
    font-size: 0.8rem;
    animation: pulse 2s ease-in-out infinite;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    color: var(--text-primary);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--tiffany);
    box-shadow: 0 0 20px rgba(129, 216, 208, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--tiffany);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.25rem 0;
    position: relative;
}

.footer-section a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--tiffany);
    transition: width 0.3s ease;
}

.footer-section a:hover::before {
    width: 100%;
}

.footer-section a:hover {
    color: var(--tiffany);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(129, 216, 208, 0.2);
    color: var(--text-secondary);
}

/* Animations */
@keyframes neon-glow {
    0% { text-shadow: 0 0 10px var(--tiffany); }
    100% { text-shadow: 0 0 20px var(--tiffany), 0 0 30px var(--tiffany); }
}

@keyframes shield-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes shield-glow {
    0%, 100% { text-shadow: 0 0 30px var(--tiffany); }
    50% { text-shadow: 0 0 50px var(--tiffany), 0 0 70px var(--tiffany); }
}

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

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

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

@keyframes check-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

@keyframes layer-glow {
    0% { box-shadow: 0 0 15px rgba(129, 216, 208, 0.3); }
    100% { box-shadow: 0 0 25px rgba(129, 216, 208, 0.5); }
}

@keyframes arrow-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes number-glow {
    0% { text-shadow: 0 0 20px var(--tiffany); }
    100% { text-shadow: 0 0 30px var(--tiffany), 0 0 40px var(--tiffany); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .security-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .quality-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .speed-slider-section {
        padding: 2rem 1rem;
    }
    
    .speed-value {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .quality-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .speed-value {
        font-size: 2rem;
    }
}