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

:root {
    --primary: #00d4ff;
    --secondary: #7c3aed;
    --bg-dark: #0a0a1a;
    --bg-card: rgba(15, 23, 42, 0.8);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: rgba(148, 163, 184, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    animation: gridMove 20s linear infinite;
}

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

.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: gradientPulse 8s ease-in-out infinite;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switcher {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px;
}

.lang-btn {
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.lang-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.hero {
    padding: 120px 0 80px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
}

.tech-orb {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orb-ring {
    position: absolute;
    border: 2px solid transparent;
    border-radius: 50%;
    animation: ringRotate 8s linear infinite;
}

.orb-ring-1 {
    width: 100%;
    height: 100%;
    border-top-color: var(--primary);
    border-left-color: var(--primary);
    animation-duration: 8s;
}

.orb-ring-2 {
    width: 80%;
    height: 80%;
    border-right-color: var(--secondary);
    border-bottom-color: var(--secondary);
    animation-duration: 6s;
    animation-direction: reverse;
}

.orb-ring-3 {
    width: 60%;
    height: 60%;
    border-top-color: var(--primary);
    border-right-color: var(--primary);
    animation-duration: 10s;
}

@keyframes ringRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.orb-core {
    position: relative;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.5),
                0 0 100px rgba(124, 58, 237, 0.3);
    animation: corePulse 2s ease-in-out infinite;
}

@keyframes corePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 60px rgba(0, 212, 255, 0.5),
                    0 0 100px rgba(124, 58, 237, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 80px rgba(0, 212, 255, 0.7),
                    0 0 120px rgba(124, 58, 237, 0.5);
    }
}

.core-glow {
    position: absolute;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 3s ease-in-out infinite;
}

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

.core-icon {
    font-size: 48px;
    z-index: 1;
}

.orb-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    animation: particleFloat 4s ease-in-out infinite;
}

.particle:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.particle:nth-child(2) { top: 30%; right: 10%; animation-delay: 0.5s; }
.particle:nth-child(3) { bottom: 20%; left: 30%; animation-delay: 1s; }
.particle:nth-child(4) { bottom: 10%; right: 30%; animation-delay: 1.5s; }
.particle:nth-child(5) { top: 60%; left: 10%; animation-delay: 2s; }
.particle:nth-child(6) { top: 20%; right: 40%; animation-delay: 2.5s; }

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-20px) scale(1.2);
        opacity: 1;
    }
}

.features {
    padding: 80px 0;
}

.core-values {
    padding: 60px 0;
}

.values-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    margin-top: 40px;
}

.values-desc {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-secondary);
    background: var(--bg-card);
    padding: 24px 28px;
    border-radius: 16px;
    border: 1px solid var(--border);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.3s;
}

.values-desc.visible {
    opacity: 1;
    transform: translateY(0);
}

.values-desc::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 2px 0 0 2px;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    transition: all 0.3s;
    opacity: 0;
    transform: translateY(30px);
}

.value-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.value-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.15);
}

.value-icon {
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.value-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 968px) {
    .values-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .values-grid {
        grid-template-columns: 1fr;
    }
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.6s;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

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

.architecture {
    padding: 80px 0;
}

.architecture-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.arch-layer {
    width: 100%;
    max-width: 400px;
}

.arch-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
    opacity: 0;
    transform: translateY(30px);
}

.arch-box.visible {
    opacity: 1;
    transform: translateY(0);
}

.arch-box:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(124, 58, 237, 0.2);
}

.arch-label {
    font-size: 14px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 8px;
}

.arch-title {
    font-size: 24px;
    font-weight: 600;
}

.arch-arrow {
    font-size: 32px;
    color: var(--primary);
}

.cta {
    padding: 80px 0;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(124, 58, 237, 0.05));
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

.cta::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 36px;
    }
}