:root {
    --ink: #102033;
    --muted: #5f6f82;
    --line: #d7e1ea;
    --bg: #f6f8fb;
    --panel: #ffffff;
    --teal: #0f766e;
    --blue: #1d4ed8;
    --sky: #e0f2fe;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

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

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 36px;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}

.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--teal);
    color: #fff;
}

nav {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--muted);
    font-weight: 700;
}

.worker-link {
    color: var(--teal);
}

.hero {
    min-height: 620px;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) 390px;
    align-items: center;
    gap: 40px;
    padding: 70px 7vw;
    background:
        linear-gradient(110deg, rgba(8, 47, 73, .88), rgba(15, 118, 110, .7)),
        url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1800&q=80");
    background-size: cover;
    background-position: center;
    color: #fff;
}

.hero.purifier {
    background:
        linear-gradient(110deg, rgba(8, 47, 73, .9), rgba(29, 78, 216, .62)),
        url("https://images.unsplash.com/photo-1548839140-29a749e1cf4d?auto=format&fit=crop&w=1800&q=80");
    background-size: cover;
    background-position: center;
}

.hero h1 {
    max-width: 860px;
    margin: 0;
    font-size: 62px;
    line-height: 1.04;
    letter-spacing: 0;
}

.hero p {
    max-width: 700px;
    margin: 22px 0 0;
    color: rgba(255, 255, 255, .86);
    font-size: 19px;
    line-height: 1.6;
}

.eyebrow {
    display: block;
    margin-bottom: 14px;
    color: #99f6e4;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 18px;
    border-radius: 8px;
    background: var(--teal);
    color: #fff;
    font-weight: 800;
}

.button.secondary {
    background: rgba(255, 255, 255, .15);
    border: 1px solid rgba(255, 255, 255, .45);
}

.hero-panel {
    padding: 28px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .95);
    color: var(--ink);
    box-shadow: 0 24px 60px rgba(0, 0, 0, .24);
}

.hero-panel strong {
    color: var(--teal);
    text-transform: uppercase;
    font-size: 13px;
}

.hero-panel h2 {
    margin: 10px 0;
    font-size: 30px;
}

.hero-panel p {
    color: var(--muted);
    font-size: 16px;
}

.hero-panel a {
    display: inline-block;
    margin-top: 16px;
    color: var(--teal);
    font-weight: 800;
}

.section {
    padding: 70px 7vw;
}

.section-heading {
    margin-bottom: 28px;
}

.section-heading .eyebrow {
    color: var(--teal);
}

.section h2 {
    margin: 0;
    font-size: 36px;
}

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

.service-card,
.benefit-grid article,
.contact-band {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.service-card {
    overflow: hidden;
}

.service-card.featured {
    grid-column: span 2;
}

.service-media {
    height: 165px;
    background-size: cover;
    background-position: center;
}

.water { background-image: url("https://images.unsplash.com/photo-1548839140-29a749e1cf4d?auto=format&fit=crop&w=900&q=80"); }
.tech { background-image: url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=900&q=80"); }
.home { background-image: url("https://images.unsplash.com/photo-1581578731548-c64695cc6952?auto=format&fit=crop&w=900&q=80"); }
.bakery { background-image: url("https://images.unsplash.com/photo-1486427944299-d1955d23e34d?auto=format&fit=crop&w=900&q=80"); }
.craft { background-image: url("https://images.unsplash.com/photo-1452860606245-08befc0ff44b?auto=format&fit=crop&w=900&q=80"); }
.advisors { background-image: url("https://images.unsplash.com/photo-1556761175-b413da4baf72?auto=format&fit=crop&w=900&q=80"); }

.service-card div:not(.service-media) {
    padding: 22px;
}

.service-card span {
    color: var(--teal);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.service-card h3,
.benefit-grid h3 {
    margin: 10px 0;
    font-size: 23px;
}

.service-card p,
.benefit-grid p,
.contact-band p {
    color: var(--muted);
    line-height: 1.55;
}

.service-card a {
    display: inline-block;
    margin-top: 12px;
    color: var(--blue);
    font-weight: 800;
}

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

.benefit-grid article {
    padding: 24px;
}

.contact-band {
    margin: 0 7vw 70px;
    padding: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 28px;
}

.contact-band .eyebrow {
    color: var(--teal);
}

.contact-band h2 {
    margin: 0;
    font-size: 30px;
}

@media (max-width: 980px) {
    .hero,
    .service-grid,
    .benefit-grid,
    .contact-band {
        grid-template-columns: 1fr;
    }

    .service-card.featured {
        grid-column: auto;
    }

    .hero h1 {
        font-size: 44px;
    }

    .contact-band {
        display: grid;
    }
}

@media (max-width: 640px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 20px;
    }

    nav {
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero,
    .section {
        padding: 44px 20px;
    }

    .hero h1 {
        font-size: 34px;
    }

    .contact-band {
        margin: 0 20px 44px;
    }
}