/* ============================================
   PREMIUM ANIMATED DESIGN - VSEM VPN
   Interactive, Dynamic, Professional
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: #f8fafc;
    background: #0f172a;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    animation: subtleMove 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes subtleMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, 30px) rotate(2deg); }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1e293b;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6 0%, #6366f1 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #60a5fa 0%, #818cf8 100%);
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 3rem;
    }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    animation: slideDown 0.6s ease-out;
}

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

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

@media (min-width: 768px) {
    .nav-content {
        height: 80px;
    }
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: all 0.3s ease;
    display: inline-block;
}

@media (min-width: 768px) {
    .logo {
        font-size: 1.75rem;
    }
}

.logo:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
    transition: all 0.2s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3b82f6;
    transition: width 0.3s ease;
}

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

.nav-links a:hover {
    color: #ffffff;
}

.nav-links .btn {
    margin-left: 1rem;
}

.mobile-menu-btn {
    display: flex;
    color: #ffffff;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.2s ease;
}

.mobile-menu-btn:hover {
    opacity: 0.7;
    transform: rotate(90deg);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.desktop-only {
    display: none;
}

@media (min-width: 768px) {
    .desktop-only {
        display: flex;
    }
}

.mobile-menu {
    max-height: 0;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    transition: max-height 0.3s ease;
}

.mobile-menu.open {
    max-height: 400px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-link {
    color: #cbd5e1;
    text-decoration: none;
    padding: 0.75rem;
    transition: all 0.2s ease;
    font-weight: 500;
    border-radius: 8px;
}

.mobile-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.mobile-btn {
    width: 100%;
    margin-top: 1rem;
}

.hidden {
    display: none;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
    font-family: 'Montserrat', sans-serif;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-download .btn-text-hover {
    display: none;
}

.btn-download:hover .btn-text-default {
    display: none;
}

.btn-download:hover .btn-text-hover {
    display: inline;
}

/* Hero Section with Particles */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 72px;
}

@media (min-width: 768px) {
    .hero {
        padding-top: 80px;
    }
}

.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    opacity: 1;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
    z-index: 0;
    animation: gridFloat 20s linear infinite;
}

@keyframes gridFloat {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Floating Shapes */
.floating-shapes {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.15), transparent);
    filter: blur(40px);
    animation: floatShape 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    bottom: 20%;
    left: 20%;
    background: radial-gradient(circle at 30% 30%, rgba(139, 92, 246, 0.12), transparent);
    animation-delay: 4s;
}

.shape-4 {
    width: 350px;
    height: 350px;
    top: 30%;
    right: 30%;
    animation-delay: 6s;
}

.shape-5 {
    width: 200px;
    height: 200px;
    bottom: 10%;
    right: 20%;
    background: radial-gradient(circle at 30% 30%, rgba(236, 72, 153, 0.1), transparent);
    animation-delay: 8s;
}

@keyframes floatShape {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
        opacity: 0.4;
    }
    75% {
        transform: translate(40px, 10px) scale(1.05);
        opacity: 0.6;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 4rem 0;
    opacity: 0;
    animation: heroFadeIn 1s ease-out 0.3s forwards;
}

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

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    color: #ffffff;
    animation: titleSlideUp 0.8s ease-out 0.5s both;
}

@keyframes titleSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 5rem;
    }
}

.gradient-text-1,
.gradient-text-2 {
    background: linear-gradient(135deg, #ffffff 0%, #60a5fa 50%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientFlow 3s ease-in-out infinite;
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #94a3b8;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.7;
    animation: subtitleFadeIn 0.8s ease-out 0.7s both;
}

@keyframes subtitleFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 640px) {
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 4rem;
    animation: buttonsFadeIn 0.8s ease-out 0.9s both;
}

@keyframes buttonsFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
        gap: 1rem;
    }
}

.hero-visual {
    margin-top: 4rem;
    position: relative;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: visualFadeIn 1s ease-out 1.1s forwards;
}

@keyframes visualFadeIn {
    to {
        opacity: 1;
    }
}

.network-visualization {
    position: relative;
    aspect-ratio: 16 / 10;
    border-radius: 16px;
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.network-visualization:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: translateY(-5px);
}

.network-circle {
    width: 300px;
    height: 300px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: circleRotate 30s linear infinite;
}

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

@media (min-width: 768px) {
    .network-circle {
        width: 400px;
        height: 400px;
    }
}

.network-center {
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.4);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: centerPulse 3s ease-in-out infinite;
}

@keyframes centerPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        box-shadow: 0 0 20px 10px rgba(59, 130, 246, 0);
    }
}

@media (min-width: 768px) {
    .network-center {
        width: 160px;
        height: 160px;
    }
}

.network-node {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #3b82f6;
    top: 50%;
    left: 50%;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
    transition: all 0.3s ease;
    animation: nodePulse 2s ease-in-out infinite;
}

@keyframes nodePulse {
    0%, 100% {
        box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.8);
    }
}

.network-node:hover {
    transform: scale(1.5) !important;
    box-shadow: 0 0 25px rgba(59, 130, 246, 1);
    z-index: 10;
}

@media (min-width: 768px) {
    .network-node {
        width: 20px;
        height: 20px;
    }
}

.node-1 { animation: nodeOrbit1 4s ease-in-out infinite, nodePulse 2s ease-in-out infinite; }
.node-2 { animation: nodeOrbit2 4s ease-in-out infinite 0.5s, nodePulse 2s ease-in-out infinite 0.3s; }
.node-3 { animation: nodeOrbit3 4s ease-in-out infinite 1s, nodePulse 2s ease-in-out infinite 0.6s; }
.node-4 { animation: nodeOrbit4 4s ease-in-out infinite 1.5s, nodePulse 2s ease-in-out infinite 0.9s; }
.node-5 { animation: nodeOrbit5 4s ease-in-out infinite 2s, nodePulse 2s ease-in-out infinite 1.2s; }
.node-6 { animation: nodeOrbit6 4s ease-in-out infinite 2.5s, nodePulse 2s ease-in-out infinite 1.5s; }

@keyframes nodeOrbit1 {
    0%, 100% { transform: translate(calc(-50% + 120px), -50%); opacity: 0.7; }
    50% { transform: translate(calc(-50% + 120px), -50%); opacity: 1; }
}

@keyframes nodeOrbit2 {
    0%, 100% { transform: translate(calc(-50% + 85px), calc(-50% + 85px)); opacity: 0.7; }
    50% { transform: translate(calc(-50% + 85px), calc(-50% + 85px)); opacity: 1; }
}

@keyframes nodeOrbit3 {
    0%, 100% { transform: translate(calc(-50% - 85px), calc(-50% + 85px)); opacity: 0.7; }
    50% { transform: translate(calc(-50% - 85px), calc(-50% + 85px)); opacity: 1; }
}

@keyframes nodeOrbit4 {
    0%, 100% { transform: translate(calc(-50% - 120px), -50%); opacity: 0.7; }
    50% { transform: translate(calc(-50% - 120px), -50%); opacity: 1; }
}

@keyframes nodeOrbit5 {
    0%, 100% { transform: translate(calc(-50% - 85px), calc(-50% - 85px)); opacity: 0.7; }
    50% { transform: translate(calc(-50% - 85px), calc(-50% - 85px)); opacity: 1; }
}

@keyframes nodeOrbit6 {
    0%, 100% { transform: translate(calc(-50% + 85px), calc(-50% - 85px)); opacity: 0.7; }
    50% { transform: translate(calc(-50% + 85px), calc(-50% - 85px)); opacity: 1; }
}

.network-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.network-lines line {
    stroke: rgba(59, 130, 246, 0.2);
    stroke-width: 1;
    animation: lineGlow 3s ease-in-out infinite;
}

@keyframes lineGlow {
    0%, 100% {
        opacity: 0.3;
        stroke-width: 1;
    }
    50% {
        opacity: 0.6;
        stroke-width: 1.5;
    }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    opacity: 0;
    animation: sectionFadeIn 0.8s ease-out forwards;
}

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

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
    letter-spacing: -0.02em;
}

@media (min-width: 640px) {
    .section-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-subtitle {
    color: #94a3b8;
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.7;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: #0f172a;
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(20px);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.feature-card:hover {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.icon-primary {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.icon-secondary {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.icon-accent {
    background: rgba(236, 72, 153, 0.1);
    color: #ec4899;
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.2);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #ffffff;
    transition: color 0.3s ease;
}

.feature-card:hover .feature-title {
    color: #60a5fa;
}

.feature-description {
    color: #94a3b8;
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background: rgba(30, 41, 59, 0.2);
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.3), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-content {
    animation: slideFromLeft 0.8s ease-out;
}

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

.about-text {
    font-size: 1.0625rem;
    color: #cbd5e1;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: rgba(30, 41, 59, 0.4);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3b82f6, transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.stat-item:hover::before {
    transform: translateX(100%);
}

.stat-item:hover {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    transition: transform 0.3s ease;
}

.stat-item:hover .stat-icon {
    transform: scale(1.1);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: #94a3b8;
    font-weight: 500;
}

.about-visual {
    position: relative;
    animation: slideFromRight 0.8s ease-out;
}

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

.about-network {
    position: relative;
    aspect-ratio: 1;
    border-radius: 16px;
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.about-network:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.about-network-center {
    position: absolute;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #3b82f6;
    border: 2px solid #60a5fa;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: centerSpin 4s ease-in-out infinite;
}

@keyframes centerSpin {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        box-shadow: 0 0 30px rgba(59, 130, 246, 0.8);
    }
}

.about-node {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #3b82f6;
    top: 50%;
    left: 50%;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
    transition: all 0.3s ease;
}

.about-node:hover {
    transform: scale(1.5) !important;
    box-shadow: 0 0 20px rgba(59, 130, 246, 1);
}

.about-node.node-1 { animation: aboutOrbit1 4s ease-in-out infinite; }
.about-node.node-2 { animation: aboutOrbit2 4s ease-in-out infinite 0.5s; }
.about-node.node-3 { animation: aboutOrbit3 4s ease-in-out infinite 1s; }
.about-node.node-4 { animation: aboutOrbit4 4s ease-in-out infinite 1.5s; }
.about-node.node-5 { animation: aboutOrbit5 4s ease-in-out infinite 2s; }
.about-node.node-6 { animation: aboutOrbit6 4s ease-in-out infinite 2.5s; }

@keyframes aboutOrbit1 {
    0%, 100% { transform: translate(calc(-50% + 80px), -50%); opacity: 0.7; }
    50% { transform: translate(calc(-50% + 80px), -50%); opacity: 1; }
}

@keyframes aboutOrbit2 {
    0%, 100% { transform: translate(calc(-50% + 56px), calc(-50% + 56px)); opacity: 0.7; }
    50% { transform: translate(calc(-50% + 56px), calc(-50% + 56px)); opacity: 1; }
}

@keyframes aboutOrbit3 {
    0%, 100% { transform: translate(calc(-50% - 56px), calc(-50% + 56px)); opacity: 0.7; }
    50% { transform: translate(calc(-50% - 56px), calc(-50% + 56px)); opacity: 1; }
}

@keyframes aboutOrbit4 {
    0%, 100% { transform: translate(calc(-50% - 80px), -50%); opacity: 0.7; }
    50% { transform: translate(calc(-50% - 80px), -50%); opacity: 1; }
}

@keyframes aboutOrbit5 {
    0%, 100% { transform: translate(calc(-50% - 56px), calc(-50% - 56px)); opacity: 0.7; }
    50% { transform: translate(calc(-50% - 56px), calc(-50% - 56px)); opacity: 1; }
}

@keyframes aboutOrbit6 {
    0%, 100% { transform: translate(calc(-50% + 56px), calc(-50% - 56px)); opacity: 0.7; }
    50% { transform: translate(calc(-50% + 56px), calc(-50% - 56px)); opacity: 1; }
}

.about-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.about-lines line {
    stroke: rgba(59, 130, 246, 0.2);
    stroke-width: 1;
    animation: lineGlow 3s ease-in-out infinite;
}

/* Download Section */
.download-section {
    padding: 6rem 0;
    background: #0f172a;
    position: relative;
}

.download-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(236, 72, 153, 0.3), transparent);
}

.download-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.download-card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.download-card:hover {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.download-card-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.download-icon {
    width: 56px;
    height: 56px;
    background: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.download-card:hover .download-icon {
    transform: scale(1.05) rotate(5deg);
}

.download-icon svg {
    width: 32px;
    height: 32px;
    color: #0f172a;
}

.download-text {
    text-align: left;
}

.download-label {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-bottom: 0.25rem;
}

.download-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: #ffffff;
}

.download-soon {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    color: #64748b;
    font-size: 0.75rem;
    font-weight: 500;
}

.download-soon i {
    width: 14px;
    height: 14px;
}

/* Footer */
.footer {
    background: rgba(30, 41, 59, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.footer-description {
    color: #94a3b8;
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-company {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.company-name {
    color: #cbd5e1;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.company-address {
    color: #64748b;
    font-size: 0.8125rem;
    line-height: 1.6;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: all 0.2s ease;
    font-size: 0.9375rem;
}

.footer-link:hover {
    color: #ffffff;
    transform: translateX(3px);
}

.footer-links .footer-link {
    display: block;
}

.footer-copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    text-align: center;
}

.footer-copyright p {
    color: #64748b;
    font-size: 0.875rem;
}

/* Legal Pages */
.legal-section {
    padding: 8rem 0 4rem;
    background: #0f172a;
    min-height: 100vh;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    color: #ffffff;
}

.legal-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #ffffff;
    letter-spacing: -0.02em;
}

@media (max-width: 640px) {
    .legal-title {
        font-size: 2rem;
    }
}

.legal-updated {
    color: #94a3b8;
    font-size: 0.875rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.legal-section-content {
    margin-bottom: 2.5rem;
}

.legal-section-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.legal-section-content p {
    color: #cbd5e1;
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.legal-section-content ul {
    color: #cbd5e1;
    line-height: 1.8;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-section-content li {
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.legal-section-content a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.2s ease;
}

.legal-section-content a:hover {
    color: #60a5fa;
}

.legal-section-content strong {
    color: #ffffff;
    font-weight: 600;
}

/* Utility */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}