:root {
    --blue: #1478ff;
    --blue-light: #55a8ff;
    --background: #020812;
    --surface: #071324;
    --text: #ffffff;
    --text-soft: rgba(226, 232, 240, 0.82);
    --text-muted: rgba(148, 163, 184, 0.78);
    --border: rgba(82, 151, 255, 0.20);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--background);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

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

.site-header {
    position: absolute;
    z-index: 20;
    top: 0;
    left: 0;
    width: 100%;
}

.header-inner {
    width: min(1280px, calc(100% - 48px));
    margin: 0 auto;
    padding: 28px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand img {
    width: 220px;
    display: block;
}

.header-contact {
    padding: 11px 18px;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 10px;
    background: rgba(4,12,24,.42);
    backdrop-filter: blur(10px);
    font-size: 14px;
    font-weight: 650;
}

.hero {
    position: relative;
    min-height: 760px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background:
        url("/assets/images/background.webp")
        center center / cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(
            circle at 20% 30%,
            rgba(20,120,255,.22),
            transparent 42%
        ),
        linear-gradient(
            90deg,
            rgba(1,7,17,.93) 0%,
            rgba(1,7,17,.72) 48%,
            rgba(1,7,17,.40) 100%
        ),
        linear-gradient(
            180deg,
            rgba(1,7,17,.12),
            rgba(1,7,17,.72)
        );
}

.hero-content {
    position: relative;
    z-index: 2;
    width: min(1280px, calc(100% - 48px));
    margin: 0 auto;
    padding: 160px 0 110px;
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--blue-light);
    font-size: 13px;
    font-weight: 750;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 900px;
    margin: 0;
    font-size: clamp(52px, 7vw, 96px);
    line-height: .98;
    letter-spacing: -.055em;
}

.hero h1 span {
    color: #65adff;
}

.hero-description {
    max-width: 660px;
    margin: 28px 0 0;
    color: var(--text-soft);
    font-size: clamp(18px, 2vw, 23px);
    line-height: 1.55;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 36px;
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    border-radius: 10px;
    font-weight: 700;
    transition:
        transform .18s ease,
        border-color .18s ease,
        background .18s ease;
}

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

.button-primary {
    background: linear-gradient(
        135deg,
        var(--blue),
        #0860e9
    );
    box-shadow: 0 12px 34px rgba(20,120,255,.24);
}

.button-secondary {
    border: 1px solid rgba(255,255,255,.22);
    background: rgba(7,19,36,.54);
    backdrop-filter: blur(10px);
}

.features {
    width: min(1280px, calc(100% - 48px));
    margin: 0 auto;
    padding: 110px 0;
}

.section-heading {
    max-width: 700px;
    margin-bottom: 48px;
}

.section-heading h2,
.contact h2 {
    margin: 0 0 16px;
    font-size: clamp(34px, 4vw, 54px);
    line-height: 1.05;
    letter-spacing: -.04em;
}

.section-heading > p:last-child,
.contact p {
    color: var(--text-soft);
    font-size: 18px;
    line-height: 1.6;
}

.feature-grid {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.feature-card {
    min-height: 260px;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background:
        linear-gradient(
            145deg,
            rgba(20,120,255,.09),
            rgba(7,19,36,.76)
        );
}

.feature-number {
    margin-bottom: 50px;
    color: var(--blue-light);
    font-size: 13px;
    font-weight: 750;
}

.feature-card h3 {
    margin: 0 0 12px;
    font-size: 21px;
}

.feature-card p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

.contact {
    width: min(1280px, calc(100% - 48px));
    margin: 0 auto 100px;
    padding: 54px;
    display: flex;
    gap: 40px;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--border);
    border-radius: 22px;
    background:
        radial-gradient(
            circle at 90% 0%,
            rgba(20,120,255,.18),
            transparent 38%
        ),
        var(--surface);
}

.contact > div {
    max-width: 720px;
}

.contact p {
    margin-bottom: 0;
}

.site-footer {
    width: min(1280px, calc(100% - 48px));
    margin: 0 auto;
    padding: 30px 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid rgba(148,163,184,.14);
    color: var(--text-muted);
    font-size: 13px;
}

.site-footer img {
    width: 150px;
}

@media (max-width: 980px) {
    .feature-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .contact {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .header-inner,
    .hero-content,
    .features,
    .contact,
    .site-footer {
        width: min(100% - 32px, 1280px);
    }

    .header-inner {
        padding-top: 20px;
    }

    .brand img {
        width: 170px;
    }

    .header-contact {
        padding: 9px 12px;
        font-size: 12px;
    }

    .hero {
        min-height: 700px;
    }

    .hero-content {
        padding-top: 140px;
    }

    .hero h1 {
        font-size: clamp(46px, 14vw, 68px);
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .features {
        padding: 80px 0;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        min-height: 220px;
    }

    .contact {
        margin-bottom: 70px;
        padding: 32px 24px;
    }

    .site-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}