* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #0b0f14;
    color: #d9e2ec;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, calc(100% - 40px));
    margin: auto;
}

header {
    border-bottom: 1px solid #202a35;
    background: rgba(11, 15, 20, .94);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
}

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

.logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 3px;
    color: #fff;
}

.logo span {
    color: #62b0ff;
}

nav {
    display: flex;
    gap: 28px;
    font-size: 14px;
    color: #91a0af;
}

nav a:hover {
    color: #fff;
}

.hero {
    padding: 110px 0 100px;
    border-bottom: 1px solid #202a35;
    background:
        radial-gradient(circle at 75% 20%, rgba(62, 151, 255, .12), transparent 30%),
        radial-gradient(circle at 15% 70%, rgba(83, 120, 255, .06), transparent 30%);
}

.eyebrow {
    color: #62b0ff;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

h1 {
    max-width: 850px;
    margin: 0;
    color: #fff;
    font-size: clamp(42px, 7vw, 76px);
    line-height: 1.05;
    letter-spacing: -3px;
}

.hero p {
    max-width: 700px;
    margin: 30px 0;
    color: #91a0af;
    font-size: 19px;
}

.button {
    display: inline-block;
    padding: 12px 22px;
    border: 1px solid #356d9e;
    border-radius: 6px;
    color: #fff;
    background: #102131;
    transition: .2s;
}

.button:hover {
    background: #17334d;
    border-color: #62b0ff;
}

section {
    padding: 85px 0;
    border-bottom: 1px solid #202a35;
}

.section-title {
    margin-bottom: 45px;
}

.section-title h2 {
    margin: 0 0 10px;
    color: #fff;
    font-size: 34px;
}

.section-title p {
    color: #7f8c99;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    padding: 28px;
    border: 1px solid #202a35;
    border-radius: 10px;
    background: #0f151c;
    transition: .2s;
}

.card:hover {
    transform: translateY(-3px);
    border-color: #34516b;
}

.card-number {
    color: #4f9de0;
    font-size: 13px;
    margin-bottom: 25px;
}

.card h3 {
    margin: 0 0 12px;
    color: #fff;
    font-size: 20px;
}

.card p {
    margin: 0;
    color: #84919e;
    font-size: 15px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat {
    border-left: 2px solid #315c7d;
    padding-left: 18px;
}

.stat strong {
    display: block;
    color: #fff;
    font-size: 30px;
}

.stat span {
    color: #788592;
    font-size: 13px;
}

.page {
    padding: 90px 0;
    min-height: calc(100vh - 150px);
}

.page h1 {
    font-size: clamp(40px, 6vw, 64px);
    margin-bottom: 30px;
}

.page-content {
    max-width: 800px;
    color: #9aa7b4;
    font-size: 17px;
}

.page-content h2 {
    color: #fff;
    margin-top: 45px;
}

footer {
    padding: 35px 0;
    color: #65727f;
    font-size: 13px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

@media (max-width: 800px) {
    nav {
        gap: 12px;
        font-size: 12px;
    }

    .grid,
    .stats {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 80px 0;
    }

    h1 {
        letter-spacing: -2px;
    }

    .footer-inner {
        flex-direction: column;
    }
}

/* =========================================================
   A-LEXXY — LIVE NETWORK EFFECT
   ========================================================= */

/* Базовое свечение линий */
.network-line {
    stroke-dasharray: 12 18;
    animation:
        networkFlow 12s linear infinite,
        networkGlow 4s ease-in-out infinite;
    opacity: .42;
}

/* Второй слой движется медленнее */
.network-line.slow {
    stroke-dasharray: 4 24;
    animation:
        networkFlowSlow 22s linear infinite,
        networkGlowSlow 7s ease-in-out infinite;
    opacity: .28;
}

/* Узлы сети */
.network-node {
    transform-box: fill-box;
    transform-origin: center;
    animation:
        networkPulse 3.5s ease-in-out infinite,
        networkNodeGlow 3.5s ease-in-out infinite;
}

/* Разная фаза для разных узлов */
.network-node:nth-child(2n) {
    animation-delay: -1.2s;
}

.network-node:nth-child(3n) {
    animation-delay: -2.4s;
}

/* Движение штрихов по линиям */
@keyframes networkFlow {
    from {
        stroke-dashoffset: 0;
    }
    to {
        stroke-dashoffset: -300;
    }
}

@keyframes networkFlowSlow {
    from {
        stroke-dashoffset: 0;
    }
    to {
        stroke-dashoffset: 300;
    }
}

/* Дыхание линий */
@keyframes networkGlow {
    0%, 100% {
        opacity: .25;
    }
    50% {
        opacity: .58;
    }
}

@keyframes networkGlowSlow {
    0%, 100% {
        opacity: .16;
    }
    50% {
        opacity: .38;
    }
}

/* Пульсация узлов */
@keyframes networkPulse {
    0%, 100% {
        transform: scale(.75);
        opacity: .45;
    }

    50% {
        transform: scale(1.45);
        opacity: 1;
    }
}

/* Свечение узлов */
@keyframes networkNodeGlow {
    0%, 100% {
        filter: drop-shadow(0 0 1px currentColor);
    }

    50% {
        filter:
            drop-shadow(0 0 4px currentColor)
            drop-shadow(0 0 9px currentColor);
    }
}

/* Лёгкая атмосферная подсветка самого SVG */
.network-grid,
.network-background,
svg.network-grid {
    overflow: visible;
}

/* На небольших экранах делаем движение спокойнее */
@media (max-width: 700px) {
    .network-line {
        animation-duration: 18s, 6s;
        opacity: .30;
    }

    .network-line.slow {
        animation-duration: 30s, 9s;
        opacity: .20;
    }

    .network-node {
        animation-duration: 5s, 5s;
    }
}

/* Если пользователь отключил анимацию в системе */
@media (prefers-reduced-motion: reduce) {
    .network-line,
    .network-line.slow,
    .network-node {
        animation: none !important;
    }
}