:root {
    --bg: #060606;
    --panel: #101010;
    --panel-soft: #141414;
    --text: #f5f5f5;
    --muted: #b6b6b6;
    --border: #232323;
    --accent: #7ae7dc;
    --accent-dark: #55c8bc;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 1.25rem 2.5rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(6, 6, 6, 0.92);
    backdrop-filter: blur(8px);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.site-logo {
    width: 54px;
    height: 54px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.logo-wordmark {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.site-nav a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--accent);
}

.hero,
.products,
.about,
.contact-strip {
    padding: 5rem 2rem;
}

.hero {
    min-height: 72vh;
    display: grid;
    place-items: center;
    text-align: center;
    background:
        linear-gradient(rgba(6, 6, 6, 0.55), rgba(6, 6, 6, 0.9)),
        radial-gradient(circle at top, rgba(122, 231, 220, 0.18), transparent 35%);
}

.hero-inner {
    max-width: 760px;
}

.eyebrow {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.82rem;
    margin-bottom: 0.75rem;
}

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

h1 {
    font-size: clamp(2.8rem, 7vw, 5rem);
    line-height: 1.05;
    margin-bottom: 1.25rem;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-copy,
.section-heading p,
.contact-strip p,
.price {
    color: var(--muted);
}

.cta-button {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.95rem 1.5rem;
    background: var(--accent);
    color: #041311;
    text-decoration: none;
    font-weight: 700;
    border-radius: 999px;
    transition: transform 0.2s ease, background 0.2s ease;
}

.cta-button:hover,
.cta-button:focus {
    transform: translateY(-2px);
    background: var(--accent-dark);
}

.section-heading {
    max-width: 740px;
    margin-bottom: 2rem;
}

.narrow {
    max-width: 680px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: linear-gradient(180deg, var(--panel-soft), var(--panel));
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.25rem;
}

.img-placeholder {
    height: 250px;
    border-radius: 14px;
    border: 1px dashed #2c2c2c;
    background: linear-gradient(135deg, #171717, #0e0e0e);
    display: grid;
    place-items: center;
    color: #7f7f7f;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.price {
    font-weight: 700;
}

.about {
    background: #090909;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.contact-strip {
    text-align: center;
}

.site-footer {
    text-align: center;
    padding: 1.5rem;
    color: #7d7d7d;
    border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 640px) {
    .site-header,
    .hero,
    .products,
    .about,
    .contact-strip {
        padding-left: 1.2rem;
        padding-right: 1.2rem;
    }

    .site-nav {
        gap: 1rem;
    }
}