:root {
    --navy: #0b1f3a;
    --blue: #2563eb;
    --blue-light: #eef5ff;
    --text: #162033;
    --muted: #667085;
    --border: #e5eaf2;
    --background: #ffffff;
    --surface: #f7f9fc;
    --radius: 22px;
    --shadow: 0 18px 50px rgba(17, 38, 74, 0.10);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    color: var(--text);
    background: var(--background);
    line-height: 1.65;
}

a {
    color: inherit;
}

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

.narrow {
    max-width: 820px;
}


/* HEADER */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;

    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(18px);

    border-bottom: 1px solid rgba(229,234,242,0.8);
}

.nav-container {
    min-height: 76px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;

    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0.03em;
    color: var(--navy);
}

.brand-mark {
    width: 39px;
    height: 39px;

    display: grid;
    place-items: center;

    color: white;
    font-weight: 800;

    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 12px;
}

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

nav a {
    text-decoration: none;
    color: #475467;
    font-weight: 600;
    font-size: 0.94rem;
}

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

.menu-button {
    display: none;
    border: 0;
    background: transparent;
    font-size: 1.5rem;
}


/* HERO */

.hero {
    position: relative;
    overflow: hidden;

    padding: 105px 0 115px;

    background:
        radial-gradient(circle at 82% 20%,
        rgba(96,165,250,.22),
        transparent 30%),

        radial-gradient(circle at 8% 85%,
        rgba(147,197,253,.20),
        transparent 30%),

        linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 70px;
    align-items: center;
}

.eyebrow,
.section-label {
    display: inline-block;

    color: var(--blue);
    font-weight: 750;

    letter-spacing: .12em;
    text-transform: uppercase;

    font-size: .76rem;
}

.hero h1 {
    max-width: 760px;

    margin: 18px 0 24px;

    color: var(--navy);

    font-size: clamp(3rem, 6vw, 5.2rem);
    line-height: 1.02;
    letter-spacing: -0.045em;
}

.hero h1 span {
    display: block;

    background: linear-gradient(
        100deg,
        #2563eb,
        #4f8ef7
    );

    -webkit-background-clip: text;
    background-clip: text;

    color: transparent;
}

.hero-copy {
    max-width: 680px;

    color: var(--muted);
    font-size: 1.13rem;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;

    margin-top: 34px;
}

.button {
    display: inline-block;

    padding: 13px 22px;

    border-radius: 12px;

    text-decoration: none;
    font-weight: 700;

    transition:
        transform .2s ease,
        box-shadow .2s ease;
}

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

.primary {
    background: var(--blue);
    color: white;

    box-shadow: 0 10px 25px rgba(37,99,235,.22);
}

.secondary {
    background: white;
    border: 1px solid var(--border);
    color: var(--navy);
}

.hero-card {
    position: relative;

    padding: 38px;

    border: 1px solid rgba(220,229,240,.9);
    border-radius: 30px;

    background: rgba(255,255,255,.82);
    backdrop-filter: blur(16px);

    box-shadow: var(--shadow);
}

.hero-card-icon {
    width: 62px;
    height: 62px;

    display: grid;
    place-items: center;

    margin-bottom: 26px;

    border-radius: 18px;

    background: linear-gradient(135deg, #2563eb, #7bb5ff);
    color: white;

    font-size: 1.8rem;
    font-weight: 800;
}

.hero-card h2 {
    margin: 0 0 12px;
    color: var(--navy);
}

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

.technology-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;

    margin-top: 25px;
}

.technology-tags span {
    padding: 7px 11px;

    background: var(--blue-light);

    color: #285ea8;

    font-size: .82rem;
    font-weight: 650;

    border-radius: 999px;
}


/* SECTIONS */

.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--surface);
}

.section h2 {
    margin: 10px 0 22px;

    color: var(--navy);

    font-size: clamp(2rem, 4vw, 3.15rem);
    line-height: 1.12;
    letter-spacing: -0.035em;
}

.section-intro {
    font-size: 1.15rem;
    color: #475467;
}

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

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 40px;

    margin-bottom: 44px;
}

.section-heading > p {
    max-width: 480px;
}


/* SERVICE CARDS */

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-card {
    padding: 28px;

    background: white;

    border: 1px solid var(--border);
    border-radius: var(--radius);

    transition:
        transform .25s ease,
        box-shadow .25s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.service-icon {
    width: 47px;
    height: 47px;

    display: grid;
    place-items: center;

    margin-bottom: 20px;

    background: var(--blue-light);
    color: var(--blue);

    border-radius: 13px;

    font-weight: 800;
    font-size: 1.1rem;
}

.service-card h3 {
    color: var(--navy);
    margin-bottom: 10px;
}


/* PRODUCT */

.product-card {
    display: grid;
    grid-template-columns: 1.1fr .9fr;

    overflow: hidden;

    border: 1px solid var(--border);
    border-radius: 30px;

    background:
        linear-gradient(
        135deg,
        #ffffff,
        #f4f8ff
    );

    box-shadow: var(--shadow);
}

.product-copy {
    padding: 54px;
}

.status-badge {
    display: inline-block;

    padding: 7px 12px;

    background: #eaf3ff;
    color: #2563eb;

    border-radius: 999px;

    font-size: .78rem;
    font-weight: 750;
}

.product-copy h3 {
    margin: 18px 0 2px;

    color: var(--navy);

    font-size: 3.2rem;
    line-height: 1;
}

.product-tagline {
    margin-top: 10px;

    color: #344054 !important;
    font-size: 1.18rem;
    font-weight: 600;
}

.product-visual {
    display: grid;
    place-items: center;

    min-height: 390px;

    background:
        radial-gradient(circle,
        rgba(96,165,250,.24),
        rgba(219,234,254,.55) 38%,
        rgba(255,255,255,.1) 70%);
}

.eira-orb {
    width: 230px;
    height: 230px;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    border-radius: 50%;

    background:
        linear-gradient(
        145deg,
        #ffffff,
        #deefff
    );

    box-shadow:
        0 25px 70px rgba(37,99,235,.17),
        inset 0 0 35px rgba(255,255,255,.8);
}

.eira-orb span {
    color: #376ed3;

    font-size: 2.4rem;
    font-weight: 800;

    letter-spacing: .16em;
}

.eira-orb small {
    margin-top: 7px;
    color: #667085;
}


/* CONTACT */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 70px;
    align-items: center;
}

.contact-card {
    padding: 34px;

    background: white;

    border: 1px solid var(--border);
    border-radius: var(--radius);

    box-shadow: 0 12px 38px rgba(17,38,74,.07);
}

.contact-label {
    display: block;

    color: var(--muted);

    font-size: .77rem;
    font-weight: 700;

    letter-spacing: .09em;
    text-transform: uppercase;
}

.contact-card a {
    display: inline-block;

    margin-top: 5px;

    color: var(--blue);

    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
}

.company-label {
    margin-top: 24px;
}


/* FOOTER */

footer {
    padding: 50px 0;

    background: #081a31;
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;

    align-items: center;
}

footer p {
    margin: 5px 0 0;
    color: #aebbd0;
}

.footer-links {
    display: flex;
    gap: 25px;
}

.footer-links a {
    color: #dce7f6;
    text-decoration: none;
}

.copyright {
    grid-column: 1 / -1;

    padding-top: 24px;

    border-top: 1px solid rgba(255,255,255,.12);

    font-size: .86rem;
}


/* PRIVACY PAGE */

.simple-page {
    min-height: 100vh;
    background: #f8fafc;
}

.policy {
    max-width: 800px;
    margin: 80px auto;

    padding: 48px;

    background: white;

    border: 1px solid var(--border);
    border-radius: 24px;

    box-shadow: var(--shadow);
}

.policy h1,
.policy h2 {
    color: var(--navy);
}

.policy h1 {
    font-size: 2.7rem;
}

.policy h2 {
    margin-top: 38px;
}

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

.back-link {
    display: inline-block;
    margin-top: 30px;

    color: var(--blue);
    font-weight: 700;

    text-decoration: none;
}


/* RESPONSIVE */

@media (max-width: 900px) {

    .hero-grid,
    .product-card,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .hero {
        padding-top: 70px;
    }

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

}

@media (max-width: 650px) {

    .container {
        width: min(100% - 28px, 1120px);
    }

    .menu-button {
        display: block;
    }

    nav {
        display: none;

        position: absolute;
        left: 14px;
        right: 14px;
        top: 68px;

        flex-direction: column;
        gap: 4px;

        padding: 16px;

        background: white;

        border: 1px solid var(--border);
        border-radius: 16px;

        box-shadow: var(--shadow);
    }

    nav.open {
        display: flex;
    }

    nav a {
        padding: 10px;
    }

    .hero {
        padding: 65px 0 75px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .section {
        padding: 72px 0;
    }

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

    .product-copy {
        padding: 34px 25px;
    }

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

    .eira-orb {
        width: 190px;
        height: 190px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .copyright {
        grid-column: 1;
    }

    .policy {
        margin: 35px auto;
        padding: 28px;
    }

}