:root {
    --bg-color: #050505;
    --card-bg: #0c0c0c;
    --text-color: #ffffff;
    --secondary-text: #888888;
    --accent: #ffffff;
    --border: #1a1a1a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* header / nav */
header {
    padding: 3rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.logo { font-size: 1.2rem; font-weight: 800; letter-spacing: 0.1em; text-decoration: none; color: var(--text-color); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.nav-links a { color: var(--secondary-text); text-decoration: none; transition: color 0.3s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text-color); }

.contact-btn {
    color: var(--text-color);
    text-decoration: none;
    padding: 1rem 2rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    white-space: nowrap;
}

.contact-btn:hover { background-color: var(--text-color); color: var(--bg-color); }

/* hero (home) */
.hero { padding: 10rem 0 8rem 0; }

h1 {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
}

.hero p { font-size: 1.4rem; color: var(--secondary-text); max-width: 800px; }

.section-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--secondary-text);
    margin-bottom: 4rem;
    display: block;
}

/* services (home) */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background-color: var(--border);
    border: 1px solid var(--border);
}

.service-card { background-color: var(--bg-color); padding: 5rem 3rem; transition: all 0.4s ease; }
.service-card:hover { background-color: var(--card-bg); }
.service-card h2 { font-size: 1.5rem; margin-bottom: 1.5rem; font-weight: 600; }
.service-card p { font-size: 1rem; color: var(--secondary-text); margin-bottom: 2rem; }

.service-list { list-style: none; font-size: 0.85rem; color: var(--text-color); text-transform: uppercase; letter-spacing: 0.05em; }
.service-list li { margin-bottom: 0.75rem; padding-left: 1.5rem; position: relative; }
.service-list li::before { content: ""; position: absolute; left: 0; top: 50%; width: 10px; height: 1px; background-color: var(--secondary-text); }

.about-section { padding: 10rem 0; border-top: 1px solid var(--border); }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.about-text h3 { font-size: 2rem; margin-bottom: 2rem; }
.about-text p { color: var(--secondary-text); margin-bottom: 1.5rem; }

/* inner page (legal / contact) */
.page { padding: 7rem 0 9rem 0; }
.page-head { max-width: 800px; margin-bottom: 5rem; }
.page-head h1 { font-size: 3.25rem; margin-bottom: 1.5rem; }
.page-head p { font-size: 1.2rem; color: var(--secondary-text); }

.legal { max-width: 820px; }
.legal section { padding: 3.5rem 0; border-top: 1px solid var(--border); }
.legal section:first-of-type { border-top: none; padding-top: 0; }
.legal h2 { font-size: 1.6rem; font-weight: 600; margin-bottom: 1.75rem; letter-spacing: -0.01em; }
.legal h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--secondary-text); margin: 2rem 0 0.75rem; }
.legal p { color: var(--secondary-text); margin-bottom: 1.1rem; }
.legal a { color: var(--text-color); }

/* definition-list for company data */
.data-list { display: grid; grid-template-columns: 220px 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); margin: 1rem 0 0.5rem; }
.data-list dt, .data-list dd { background: var(--bg-color); padding: 1rem 1.25rem; }
.data-list dt { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--secondary-text); }
.data-list dd { color: var(--text-color); }

/* contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); max-width: 900px; }
.contact-cell { background: var(--bg-color); padding: 3.5rem 3rem; }
.contact-cell .section-label { margin-bottom: 1.25rem; }
.contact-cell a.big { font-size: 1.5rem; color: var(--text-color); text-decoration: none; letter-spacing: -0.01em; display: inline-block; }
.contact-cell a.big:hover { color: var(--secondary-text); }
.contact-cell p { color: var(--secondary-text); }

/* footer */
footer { padding: 5rem 0; border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--secondary-text); }
.footer-flex { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-nav { display: flex; gap: 2rem; }
.footer-nav a { color: var(--secondary-text); text-decoration: none; transition: color 0.3s; }
.footer-nav a:hover { color: var(--text-color); }

@media (max-width: 1024px) {
    .services-grid { grid-template-columns: 1fr; }
    .about-content { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    h1 { font-size: 3rem; }
}

@media (max-width: 640px) {
    .container { padding: 0 1.25rem; }
    header { padding: 2rem 0; }
    .nav-links { gap: 1.5rem; }
    .page-head h1 { font-size: 2.4rem; }
    .data-list { grid-template-columns: 1fr; }
    .data-list dt { padding-bottom: 0; }
    .data-list dd { padding-top: 0.35rem; }
    .footer-flex { flex-direction: column; align-items: flex-start; }
}