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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #17202a;
    background: #ffffff;
    line-height: 1.6;
}

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

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #e5e7eb;
}

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

.logo {
    font-size: 24px;
    font-weight: 800;
}

.logo span {
    color: #2563eb;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    font-weight: 600;
}

nav a:hover {
    color: #2563eb;
}

.hero {
    min-height: 680px;
    display: flex;
    align-items: center;
    color: #ffffff;
    background:
        radial-gradient(circle at 80% 20%, #2563eb 0, transparent 35%),
        linear-gradient(135deg, #07111f, #111f33);
}

.hero-content {
    max-width: 850px;
    padding-top: 80px;
    padding-bottom: 80px;
}

.eyebrow,
.section-label {
    margin-bottom: 16px;
    color: #60a5fa;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
}

h1 {
    max-width: 800px;
    font-size: clamp(44px, 7vw, 82px);
    line-height: 1.02;
}

h2 {
    max-width: 700px;
    margin-bottom: 40px;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.1;
}

h3 {
    margin-bottom: 12px;
    font-size: 23px;
}

.hero-description {
    max-width: 600px;
    margin-top: 26px;
    font-size: 19px;
    color: #dbeafe;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 36px;
}

.button {
    display: inline-flex;
    min-height: 50px;
    padding: 0 24px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 700;
    transition: transform 0.2s;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background: #2563eb;
}

.button-secondary {
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.section {
    padding: 110px 0;
}

.services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.service-card {
    padding: 34px;
    background: #f7f8fa;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
}

.service-number {
    display: block;
    margin-bottom: 35px;
    color: #2563eb;
    font-size: 14px;
    font-weight: 800;
}

.service-card p {
    color: #5c6673;
}

.section-dark {
    color: #ffffff;
    background: #0b1524;
}

.about,
.contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.about p {
    margin-bottom: 22px;
    color: #cbd5e1;
    font-size: 18px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
}

.contact-details a:hover {
    color: #2563eb;
}

.footer {
    padding: 28px 0;
    color: #94a3b8;
    background: #07111f;
}

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

@media (max-width: 800px) {
    nav {
        gap: 15px;
        font-size: 14px;
    }

    .hero {
        min-height: 580px;
    }

    .services,
    .about,
    .contact {
        grid-template-columns: 1fr;
    }

    .about,
    .contact {
        gap: 30px;
    }

    .section {
        padding: 75px 0;
    }
}

@media (max-width: 520px) {
    .navigation {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        padding: 12px 0;
    }

    nav {
        width: 100%;
        justify-content: space-between;
    }

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