:root {
    --black: #0b0b0b;
    --dark: #111;
    --card: #181818;
    --blue: #009dff;
    --white: #fff;
    --grey: #aaa;
    --border: #2a2a2a;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--black);
    color: var(--white);
    font-family: Arial, sans-serif;
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 18px 40px;
    background: rgba(11, 11, 11, 0.9);
    backdrop-filter: blur(12px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

.logo img {
    height: 55px;
    width: auto;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    margin-left: 28px;
    font-size: 14px;
}

.nav a:hover {
    color: var(--blue);
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 28px;
}

.hero {
    min-height: 100vh;
    padding: 150px 30px 80px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;

    background:
        linear-gradient(
            90deg,
            rgba(0,0,0,0.95) 0%,
            rgba(0,0,0,0.75) 38%,
            rgba(0,0,0,0.25) 100%
        ),
        url("images/hero.jpg");

    background-size: cover;
    background-position: center;
}

.hero-content {
    max-width: 720px;
    margin-left: 6vw;
}

.eyebrow {
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 13px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(50px, 9vw, 110px);
    line-height: 0.95;
    margin-bottom: 25px;
}

.hero-text {
    max-width: 560px;
    margin: 0;
    color: var(--grey);
    font-size: 20px;
    line-height: 1.6;
}

.btn{

display:inline-block;

background:var(--blue);

padding:18px 34px;

border-radius:999px;

text-decoration:none;

color:white;

font-weight:bold;

transition:.3s;

margin-right:15px;

}

.btn:hover{

transform:translateY(-3px);

box-shadow:0 0 25px rgba(0,157,255,.4);

}
.btn-secondary{

display:inline-block;

padding:18px 34px;

border-radius:999px;

border:1px solid white;

text-decoration:none;

color:white;

transition:.3s;

}

.btn-secondary:hover{

background:white;

color:black;

}


.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 30px;
    text-align: center;
}

.section.dark {
    max-width: none;
    background: var(--dark);
}

.section h2 {
    font-size: clamp(36px, 5vw, 64px);
    margin-bottom: 45px;
}

.grid {
    display: grid;
    gap: 24px;
}

.grid.four {
    grid-template-columns: repeat(4, 1fr);
}

.grid.three {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1100px;
    margin: 0 auto;
}

.card,
.service-card,
.price-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 34px;
}

.card h3,
.service-card h3,
.price-card h3 {
    color: var(--blue);
    margin-bottom: 14px;
}

.card p,
.service-card p {
    color: var(--grey);
    line-height: 1.7;
}

.steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}

.steps div {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 28px 18px;
}

.steps span {
    color: var(--blue);
    font-weight: bold;
    letter-spacing: 2px;
}

.steps h3 {
    margin: 14px 0;
}

.steps p {
    color: var(--grey);
}

.pricing-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.price-card p {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    color: var(--grey);
}

.price-card p:last-child {
    border-bottom: none;
}

.price-card strong {
    color: var(--white);
    white-space: nowrap;
}

.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    text-align: left;
}

.about p {
    color: var(--grey);
    line-height: 1.8;
    font-size: 18px;
}

.contact {
    background:
        radial-gradient(circle at center, rgba(0,157,255,0.18), transparent 35%),
        var(--black);
}

.contact p {
    color: var(--grey);
    font-size: 18px;
}

.footer {
    padding: 35px;
    text-align: center;
    color: var(--grey);
    border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
    .grid.four,
    .grid.three,
    .steps,
    .pricing-grid,
    .about {
        grid-template-columns: 1fr;
    }

    .nav {
        display: none;
        position: absolute;
        top: 85px;
        right: 25px;
        background: var(--dark);
        border: 1px solid var(--border);
        border-radius: 18px;
        padding: 20px;
    }

    .nav.active {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }

    .nav a {
        margin-left: 0;
    }

    .menu-btn {
        display: block;
    }

    .header {
        padding: 16px 24px;
    }

    .logo img {
        height: 45px;
    }

    .price-card p {
        flex-direction: column;
    }
    .hero {
    justify-content: center;
    text-align: center;
    background-position: center;
}

.hero-content {
    margin-left: 0;
}

.hero-text {
    margin: 0 auto;
}
}
.hero-subtitle{

color:var(--blue);

font-size:15px;

letter-spacing:4px;

text-transform:uppercase;

margin-bottom:18px;

font-weight:600;

}

.hero-buttons{

margin-top:40px;

display:flex;

gap:20px;

flex-wrap:wrap;

}
.device-section {
    padding-top: 110px;
}

.device-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 50px;
}

.device-card {
    min-height: 360px;
    padding: 38px;
    border-radius: 28px;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,0.08),
            rgba(255,255,255,0.02)
        );

    border: 1px solid rgba(255,255,255,0.12);
    text-decoration: none;
    color: var(--white);

    display: flex;
    flex-direction: column;
    justify-content: flex-end;

    position: relative;
    overflow: hidden;

    transition: 0.35s;
}

.device-card::before {
    content: "";
    position: absolute;
    inset: 0;

    background: radial-gradient(
        circle at top right,
        rgba(0,157,255,0.28),
        transparent 45%
    );

    opacity: 0;
    transition: 0.35s;
}

.device-card span,
.device-card h3,
.device-card p,
.device-card strong {
    position: relative;
    z-index: 1;
}

.device-card span {
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 12px;
    margin-bottom: 12px;
}

.device-card h3 {
    font-size: 42px;
    margin-bottom: 18px;
}

.device-card p {
    color: var(--grey);
    line-height: 1.7;
    margin-bottom: 28px;
}

.device-card strong {
    color: var(--blue);
}

.device-card:hover {
    transform: translateY(-10px);
    border-color: var(--blue);
    box-shadow: 0 25px 70px rgba(0,157,255,0.18);
}

.device-card:hover::before {
    opacity: 1;
}

@media (max-width: 900px) {
    .device-grid {
        grid-template-columns: 1fr;
    }

    .device-card {
        min-height: 280px;
    }
}