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

:root{
    --bg: #0b1020;
    --bg2: #11182e;
    --card: rgba(255,255,255,0.06);
    --border: rgba(255,255,255,0.08);
    --text: #ffffff;
    --muted: #b7c0d8;
    --orange: #ff6b00;
    --orange2: #ff8a33;
}

html{
    scroll-behavior: smooth;
}

body{
    font-family: 'Inter', sans-serif;
    background: linear-gradient(180deg, var(--bg) 0%, #0f1530 100%);
    color: var(--text);
    line-height: 1.6;
}

.container{
    width: min(1100px, 92%);
    margin: 0 auto;
}

/* Шапка */

header{
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(11,16,32,0.7);
    border-bottom: 1px solid var(--border);
}

header .container{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.logo{
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo span{
    color: var(--orange);
}

nav a{
    color: var(--text);
    text-decoration: none;
    margin-left: 28px;
    font-weight: 500;
    transition: .25s;
}

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

/* Hero */

.hero{
    padding: 110px 0 90px;
    text-align: center;
}

.hero h1{
    font-size: clamp(38px, 6vw, 72px);
    line-height: 1.05;
    margin-bottom: 20px;
}

.hero p{
    color: var(--muted);
    max-width: 760px;
    margin: 0 auto 34px;
    font-size: 18px;
}

.buttons{
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn,
.btn2{
    padding: 14px 26px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    transition: .25s;
}

.btn{
    background: linear-gradient(135deg, var(--orange), var(--orange2));
    color: white;
    box-shadow: 0 12px 28px rgba(255,107,0,.35);
}

.btn:hover{
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(255,107,0,.45);
}

.btn2{
    border: 1px solid rgba(255,255,255,.14);
    color: var(--text);
    background: rgba(255,255,255,.04);
}

.btn2:hover{
    background: rgba(255,255,255,.08);
}

/* Секции */

section{
    padding: 80px 0;
}

h2{
    text-align: center;
    font-size: 38px;
    margin-bottom: 44px;
}

/* Карточки */

.cards{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
}

.card{
    background: var(--card);
    border: 1px solid var(--border);
    padding: 28px;
    border-radius: 22px;
    backdrop-filter: blur(10px);
    transition: .25s;
}

.card:hover{
    transform: translateY(-6px);
    border-color: rgba(255,107,0,.4);
    box-shadow: 0 18px 40px rgba(0,0,0,.28);
}

.card h3{
    margin-bottom: 12px;
    font-size: 22px;
}

.card p{
    color: var(--muted);
}

/* CTA */

.cta{
    text-align: center;
}

.cta p{
    color: var(--muted);
    margin-bottom: 26px;
}

/* Футер */

footer{
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 70px 0;
}

footer p{
    color: var(--muted);
}

.copy{
    opacity: .7;
}

/* Адаптив */

@media (max-width: 768px){

    header .container{
        flex-direction: column;
        gap: 14px;
    }

    nav a{
        margin: 0 10px;
    }

    .hero{
        padding-top: 80px;
    }

    h2{
        font-size: 30px;
    }
}