:root {
    --navy: #082653;
    --navy-2: #103b73;
    --blue: #0b67f4;
    --blue-2: #2a8cff;
    --cyan: #14cfe8;
    --cyan-soft: #dffaff;
    --orange: #f4b03a;
    --orange-soft: #fff4d8;
    --bg: #f6f9fd;
    --surface: #ffffff;
    --surface-blue: #eef5ff;
    --text: #10253f;
    --muted: #60728b;
    --line: #dbe5f0;
    --shadow: 0 24px 70px rgba(8, 38, 83, .10);
    --max: 1180px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: var(--text);
    line-height: 1.6;
    background:
        radial-gradient(circle at 80% 8%, rgba(20, 207, 232, .16), transparent 27rem),
        radial-gradient(circle at 8% 18%, rgba(11, 103, 244, .09), transparent 24rem),
        var(--bg);
}

a { color: inherit; }

.container {
    width: min(calc(100% - 2.5rem), var(--max));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(8, 38, 83, .09);
    background: rgba(255,255,255,.90);
    backdrop-filter: blur(18px);
}

.nav-wrap {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand img {
    display: block;
    width: auto;
    height: 48px;
    max-width: 250px;
    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.7rem;
}

.main-nav a,
.footer-links a {
    color: var(--muted);
    font-weight: 650;
    text-decoration: none;
    transition: color .2s ease;
}

.main-nav a:hover,
.footer-links a:hover,
.text-link:hover {
    color: var(--blue);
}

.hero {
    padding: 6.4rem 0 5.4rem;
}

.hero-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(390px, .78fr);
    gap: clamp(2.5rem, 7vw, 6rem);
    align-items: center;
}

.hero-copy {
    min-width: 0;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--blue);
    font-size: .78rem;
    font-weight: 850;
    letter-spacing: .18em;
}

h1, h2, h3 {
    margin-top: 0;
    color: var(--navy);
    letter-spacing: -.04em;
    line-height: 1.04;
}

h1 {
    margin-bottom: 1.5rem;
    max-width: 770px;
    font-size: clamp(3rem, 6vw, 5.7rem);
    text-wrap: balance;
}

h2 {
    margin-bottom: 1rem;
    font-size: clamp(2rem, 3.4vw, 3.2rem);
}

h3 {
    margin-bottom: .8rem;
    font-size: 1.55rem;
}

.lead {
    margin: 0;
    max-width: 700px;
    color: var(--muted);
    font-size: clamp(1.05rem, 1.7vw, 1.28rem);
}

.actions {
    display: flex;
    align-items: center;
    gap: .9rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: .85rem 1.15rem;
    border-radius: 13px;
    font-weight: 800;
    text-decoration: none;
}

.button-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--blue-2));
    box-shadow: 0 12px 28px rgba(11, 103, 244, .22);
}

.status-pill,
.tag {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    border: 1px solid #d3dfec;
    border-radius: 999px;
    padding: .4rem .72rem;
    color: var(--muted);
    font-size: .82rem;
    background: rgba(255,255,255,.82);
}

.orbit-card {
    overflow: hidden;
    border: 1px solid rgba(8,38,83,.09);
    border-radius: 28px;
    background: rgba(255,255,255,.88);
    box-shadow: var(--shadow);
}

.orbit-visual {
    position: relative;
    min-height: 340px;
    overflow: hidden;
    background:
        radial-gradient(circle at center, rgba(11,103,244,.12), transparent 32%),
        linear-gradient(145deg, #eef6ff 0%, #e8fbff 58%, #fff8e7 100%);
}

.orbit-ring {
    position: absolute;
    inset: 50%;
    border: 2px solid rgba(11,103,244,.16);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.orbit-ring-one {
    width: 220px;
    height: 220px;
}

.orbit-ring-two {
    width: 300px;
    height: 300px;
    border-color: rgba(20,207,232,.22);
}

.orbit-core,
.orbit-node {
    position: absolute;
    display: grid;
    place-items: center;
    border-radius: 50%;
    box-shadow: 0 12px 30px rgba(8,38,83,.14);
}

.orbit-core {
    top: 50%;
    left: 50%;
    width: 128px;
    height: 128px;
    padding: 1rem;
    color: #fff;
    text-align: center;
    background: linear-gradient(145deg, var(--navy), var(--blue));
    transform: translate(-50%, -50%);
}

.orbit-core strong {
    display: block;
    max-width: 92px;
    font-size: 1.05rem;
    line-height: 1.12;
    text-align: center;
}

.orbit-node {
    width: 58px;
    height: 58px;
    color: #fff;
    font-weight: 900;
}

.node-one {
    top: 16%;
    left: 19%;
    background: linear-gradient(145deg, #0f58e8, #2c85ff);
}

.node-two {
    top: 31%;
    right: 13%;
    background: linear-gradient(145deg, #0ec4e0, #40dded);
}

.node-three {
    right: 25%;
    bottom: 10%;
    color: var(--navy);
    background: linear-gradient(145deg, #ffca68, var(--orange));
}

.orbit-copy {
    padding: 1.7rem 1.8rem 1.9rem;
}

.core-card-kicker {
    margin: 0 0 .55rem;
    color: var(--cyan);
    font-size: .75rem;
    font-weight: 850;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.orbit-copy h2 {
    margin-bottom: .75rem;
    font-size: clamp(1.55rem, 2.5vw, 2.15rem);
}

.orbit-copy p:last-child {
    margin-bottom: 0;
    color: var(--muted);
}

.section {
    padding: 5.2rem 0;
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(270px, .62fr);
    gap: 3rem;
    align-items: end;
}

.section-heading > p {
    margin: 0 0 1rem;
    color: var(--muted);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.35rem;
    margin-top: 2.6rem;
}

.product-card {
    min-width: 0;
    padding: 1.8rem;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: 0 18px 50px rgba(8,38,83,.07);
}

.product-card-blue {
    background:
        linear-gradient(180deg, rgba(11,103,244,.055), rgba(255,255,255,.96) 48%);
}

.product-card-cyan {
    background:
        linear-gradient(180deg, rgba(20,207,232,.07), rgba(255,255,255,.96) 48%);
}

.product-topline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.3rem;
}

.product-icon {
    display: grid;
    width: 50px;
    height: 50px;
    place-items: center;
    border-radius: 14px;
    color: #fff;
    font-weight: 900;
    background: linear-gradient(145deg, var(--blue), var(--cyan));
    box-shadow: 0 10px 24px rgba(11,103,244,.20);
}

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

.text-link {
    display: inline-block;
    margin-top: .65rem;
    color: var(--blue);
    font-weight: 800;
    text-decoration: none;
}

.architecture-section {
    background:
        linear-gradient(180deg, rgba(235,244,255,.72), rgba(246,249,253,.92));
    border-top: 1px solid rgba(8,38,83,.06);
    border-bottom: 1px solid rgba(8,38,83,.06);
}

.architecture-shell {
    display: grid;
    gap: 2rem;
}

.architecture-intro {
    max-width: 720px;
    color: var(--muted);
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.principle-card {
    min-height: 180px;
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: 19px;
    background: #fff;
    box-shadow: 0 14px 40px rgba(8,38,83,.06);
}

.principle-card span {
    display: inline-block;
    margin-bottom: 1.2rem;
    font-size: .75rem;
    font-weight: 850;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.principle-card strong {
    display: block;
    margin-bottom: .55rem;
    color: var(--navy);
    font-size: 1.2rem;
}

.principle-card p {
    margin: 0;
    color: var(--muted);
}

.principle-card-primary span { color: var(--blue); }
.principle-card-cyan span { color: #06a9bf; }
.principle-card-warm span { color: #d1880d; }

.page-hero {
    padding: 5.8rem 0 3.3rem;
}

.page-hero h1 {
    max-width: 900px;
}

.prose {
    max-width: 760px;
}

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

.site-footer {
    padding: 3rem 0;
    border-top: 1px solid rgba(8,38,83,.08);
    color: var(--muted);
    background: #fff;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

@media (max-width: 930px) {
    .hero {
        padding-top: 4.6rem;
    }

    .hero-shell,
    .section-heading,
    .architecture-grid {
        grid-template-columns: 1fr;
    }

    .hero-shell {
        gap: 2.4rem;
    }

    .orbit-card {
        max-width: 650px;
    }
}

@media (max-width: 680px) {
    .container {
        width: min(calc(100% - 1.5rem), var(--max));
    }

    .nav-wrap {
        min-height: auto;
        padding: .9rem 0 1rem;
        align-items: flex-start;
        flex-direction: column;
        gap: .7rem;
    }

    .brand img {
        height: 42px;
        max-width: 220px;
    }

    .main-nav {
        width: 100%;
        gap: 1rem;
        overflow-x: auto;
        padding-bottom: .15rem;
    }

    .main-nav a {
        white-space: nowrap;
        font-size: .94rem;
    }

    .hero {
        padding: 3.8rem 0 3.4rem;
    }

    h1 {
        font-size: clamp(2.6rem, 14vw, 4.2rem);
    }

    .orbit-visual {
        min-height: 300px;
    }

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

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

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