:root {
    --ink: #0f172a;
    --muted: #64748b;
    --line: #dbe4ee;
    --soft: #f5f8fb;
    --brand: #0897d8;
    --brand-dark: #03648e;
    --accent: #f2b84b;
    --white: #ffffff;
    --shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--soft);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

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

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px clamp(20px, 5vw, 76px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
}

.brand img {
    width: 112px;
    height: auto;
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--muted);
    font-size: 0.94rem;
    font-weight: 700;
}

.top-nav a:hover {
    color: var(--brand-dark);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 560px);
    align-items: center;
    gap: clamp(28px, 5vw, 72px);
    min-height: min(820px, calc(100vh - 76px));
    padding: clamp(42px, 6vw, 78px) clamp(20px, 6vw, 96px);
    background:
        linear-gradient(110deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.72)),
        url("/assets/hero-bg.webp") center/cover;
}

.eyebrow,
.section-kicker {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    color: var(--brand-dark);
    background: rgba(8, 151, 216, 0.1);
    border: 1px solid rgba(8, 151, 216, 0.2);
    border-radius: 999px;
    padding: 7px 12px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 20px;
    max-width: 720px;
    font-size: clamp(3rem, 8vw, 6.8rem);
    line-height: 0.95;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 14px;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.08;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 8px;
    font-size: 1.2rem;
    line-height: 1.25;
}

.lead {
    max-width: 700px;
    color: #334155;
    font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border-radius: 8px;
    padding: 13px 20px;
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
}

.btn-primary {
    color: var(--white);
    background: var(--brand);
}

.btn-secondary {
    color: var(--brand-dark);
    background: var(--white);
    border: 1px solid var(--line);
}

.hero-media {
    align-self: center;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
}

.section {
    padding: clamp(54px, 7vw, 90px) clamp(20px, 6vw, 96px);
}

.section-head {
    max-width: 860px;
    margin-bottom: 34px;
}

.section-head p,
.contact p {
    color: var(--muted);
    font-size: 1.08rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-grid article {
    min-height: 190px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.06);
}

.feature-grid p {
    color: var(--muted);
    margin-bottom: 0;
}

.product {
    background: var(--white);
}

.screens {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

figure {
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
    background: var(--soft);
}

figure img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

figcaption {
    padding: 14px 16px;
    color: var(--muted);
    font-weight: 700;
}

.contact {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    background: #102235;
    color: var(--white);
}

.contact .section-kicker {
    color: #0b4a67;
    background: #dff4ff;
    border-color: #bfeaff;
}

.contact p {
    color: #c7d2df;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 28px clamp(20px, 6vw, 96px);
    color: #c7d2df;
    background: #0b1523;
}

.site-footer strong {
    color: var(--white);
    font-size: 1.35rem;
}

@media (max-width: 900px) {
    .site-header {
        position: static;
    }

    .top-nav {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 22px;
    }

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

    .hero-actions,
    .contact .btn {
        width: 100%;
    }

    .btn {
        width: 100%;
    }

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

@media (max-width: 520px) {
    h1 {
        font-size: clamp(2.7rem, 18vw, 4.2rem);
    }

    h2 {
        font-size: 2rem;
    }

    .hero,
    .section {
        padding-left: 18px;
        padding-right: 18px;
    }
}