:root {
    --bg: #0d1d32;
    --bg2: #132a49;
    --panel: #173358;
    --panel2: #1c416c;
    --text: #eef8ff;
    --muted: #9fb3c8;
    --line: rgba(255, 255, 255, .14);
    --cyan: #00aeef;
    --green: #00b26b;
    --orange: #f79009;
    --blue: #4bc8f5;
    --danger: #ed1a3b;
    --shadow: 0 30px 90px rgba(0, 0, 0, .34);
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: "Myriad Pro", "Segoe UI", Arial, sans-serif;
    background: radial-gradient(circle at 12% 0%, rgba(53, 227, 255, .25), transparent 34rem),
    radial-gradient(circle at 90% 5%, rgba(88, 255, 139, .14), transparent 30rem),
    linear-gradient(180deg, var(--bg), #050b12 70%);
    color: var(--text);
}

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

.container {
    width: min(1180px, calc(100% - 42px));
    margin: auto
}

.nav {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(5, 15, 25, .76);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}

.nav-inner {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 850
}

.brand img {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: contain;
    background: #e9eadf;
    padding: 3px
}

.brand small {
    display: block;
    color: var(--muted);
    font-weight: 650;
    margin-top: 2px
}

.nav-links {
    display: flex;
    gap: 22px;
    color: var(--muted);
    font-size: 14px
}

.nav-links a:hover {
    color: #fff
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    font-weight: 800;
    border: 1px solid rgba(53, 227, 255, .32);
    background: linear-gradient(135deg, rgba(53, 227, 255, .15), rgba(88, 255, 139, .08));
    box-shadow: 0 16px 44px rgba(0, 0, 0, .22);
    transition: .2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    border-color: rgba(53, 227, 255, .72)
}

.btn.primary {
    background: linear-gradient(135deg, var(--cyan), var(--green));
    color: #041018;
    border: 0
}

.btn.dark {
    background: #041018;
    color: #fff;
    border: 0
}

.hero {
    padding: 92px 0 76px
}

.grid {
    display: grid;
    grid-template-columns:1.05fr .95fr;
    gap: 54px;
    align-items: center
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid rgba(53, 227, 255, .27);
    background: rgba(53, 227, 255, .08);
    color: #c8faff;
    font-size: 14px;
    margin-bottom: 24px
}

.pulse {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 rgba(88, 255, 139, .55);
    animation: pulse 1.8s infinite
}

@keyframes pulse {
    70% {
        box-shadow: 0 0 0 12px rgba(88, 255, 139, 0)
    }
    100% {
        box-shadow: 0 0 0 0 rgba(88, 255, 139, 0)
    }
}

h1 {
    font-size: clamp(44px, 7vw, 86px);
    line-height: .95;
    letter-spacing: -3px;
    margin: 0
}

.gradient-text {
    background: linear-gradient(135deg, #fff, #b6f6ff 35%, #79ffac);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.lead {
    margin: 26px 0 0;
    max-width: 680px;
    color: #c0d3e4;
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.65
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px
}

.hero-card {
    position: relative;
    border: 1px solid var(--line);
    border-radius: 34px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .04));
    box-shadow: var(--shadow);
    padding: 18px;
    overflow: hidden
}

.hero-card:before {
    content: "";
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, rgba(53, 227, 255, .2), transparent 38%, rgba(88, 255, 139, .12));
    pointer-events: none
}

.hero-card img {
    position: relative;
    width: 100%;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, .13);
    display: block;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: #08131f
}

.floating {
    position: absolute;
    right: 30px;
    bottom: 30px;
    border-radius: 22px;
    padding: 14px 16px;
    background: rgba(4, 14, 22, .82);
    border: 1px solid rgba(88, 255, 139, .28);
    backdrop-filter: blur(14px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .35)
}

.floating small {
    display: block;
    color: var(--muted);
    margin-bottom: 5px
}

.floating b {
    display: flex;
    gap: 8px;
    align-items: center;
    color: var(--green)
}

.section {
    padding: 86px 0
}

.section.alt {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, .035)
}

.section-title {
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.05;
    letter-spacing: -1.6px;
    margin: 0
}

.section-lead {
    color: var(--muted);
    font-size: 18px;
    line-height: 1.75;
    max-width: 800px;
    margin: 18px 0 0
}

.cards {
    margin-top: 42px;
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 18px
}

.card {
    padding: 26px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .075);
    border-radius: 28px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, .15);
    min-height: 230px
}

.icon {
    width: 50px;
    height: 50px;
    border-radius: 17px;
    display: grid;
    place-items: center;
    background: rgba(53, 227, 255, .1);
    border: 1px solid rgba(53, 227, 255, .23);
    color: var(--cyan);
    font-weight: 900;
    margin-bottom: 20px
}

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

.card p, .card li {
    margin: 0;
    color: var(--muted);
    line-height: 1.65
}

.two {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 34px;
    align-items: center
}

.diagram {
    border: 1px solid var(--line);
    border-radius: 34px;
    background: rgba(3, 10, 18, .58);
    padding: 30px;
    box-shadow: var(--shadow)
}

.path {
    display: grid;
    grid-template-columns:1fr auto 1fr;
    gap: 16px;
    align-items: center;
    margin: 18px 0
}

.node {
    border: 1px solid rgba(255, 255, 255, .16);
    background: rgba(255, 255, 255, .06);
    border-radius: 22px;
    padding: 20px;
    min-height: 86px
}

.node.safe {
    border-color: rgba(88, 255, 139, .36);
    background: rgba(88, 255, 139, .08)
}

.node.common {
    border-color: rgba(53, 227, 255, .36);
    background: rgba(53, 227, 255, .08)
}

.node.unsafe {
    border-color: rgba(255, 157, 46, .26);
    background: rgba(255, 157, 46, .06);
    opacity: .78
}

.node b {
    display: block;
    margin-bottom: 6px
}

.node span {
    color: var(--muted);
    font-size: 14px
}

.line {
    width: 80px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--green), var(--cyan));
    box-shadow: 0 0 24px rgba(88, 255, 139, .25)
}

.line.off {
    background: repeating-linear-gradient(90deg, rgba(255, 157, 46, .5), rgba(255, 157, 46, .5) 8px, transparent 8px, transparent 14px);
    box-shadow: none
}

.steps {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 18px;
    margin-top: 38px
}

.step {
    border: 1px solid var(--line);
    border-radius: 28px;
    background: rgba(255, 255, 255, .065);
    padding: 26px
}

.step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan), var(--green));
    display: grid;
    place-items: center;
    color: #041018;
    font-weight: 900;
    margin-bottom: 16px
}

.specs {
    margin-top: 36px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: rgba(255, 255, 255, .055)
}

.spec-row {
    display: grid;
    grid-template-columns:270px 1fr;
    gap: 20px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--line)
}

.spec-row:last-child {
    border-bottom: 0
}

.spec-row span {
    color: var(--muted)
}

.gallery {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 18px;
    margin-top: 36px
}

.gallery img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 28px;
    border: 1px solid var(--line);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .22)
}

.downloads {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 18px;
    margin-top: 38px
}

.download {
    border: 1px solid var(--line);
    border-radius: 28px;
    background: rgba(255, 255, 255, .075);
    padding: 26px
}

.download p {
    color: var(--muted);
    line-height: 1.65
}

.faq {
    margin-top: 34px;
    display: grid;
    gap: 14px
}

details {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, .055);
    padding: 18px 20px
}

summary {
    cursor: pointer;
    font-weight: 800
}

details p {
    color: var(--muted);
    line-height: 1.7
}

.contact-box {
    border-radius: 38px;
    padding: 46px;
    background: linear-gradient(135deg, rgba(53, 227, 255, .96), rgba(88, 255, 139, .92));
    color: #041018;
    display: grid;
    grid-template-columns:1fr .9fr;
    gap: 34px;
    box-shadow: 0 30px 90px rgba(53, 227, 255, .12)
}

.contact-box p {
    color: rgba(4, 16, 24, .76)
}

.form {
    background: rgba(4, 16, 24, .12);
    border: 1px solid rgba(4, 16, 24, .14);
    border-radius: 26px;
    padding: 22px
}

.input {
    width: 100%;
    margin-bottom: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(4, 16, 24, .18);
    background: rgba(255, 255, 255, .62);
    font: inherit
}

textarea.input {
    min-height: 120px;
    resize: vertical
}

footer {
    color: var(--muted);
    border-top: 1px solid var(--line);
    padding: 30px 0;
    font-size: 14px
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap
}

@media (max-width: 980px) {
    .grid, .two, .contact-box {
        grid-template-columns:1fr
    }

    .cards, .downloads {
        grid-template-columns:1fr 1fr
    }

    .nav-links {
        display: none
    }
}

@media (max-width: 650px) {
    .cards, .steps, .downloads, .gallery, .path, .spec-row {
        grid-template-columns:1fr
    }

    .line {
        width: 100%
    }

    h1 {
        letter-spacing: -2px
    }

    .hero {
        padding-top: 60px
    }

    .contact-box {
        padding: 30px
    }
}