:root {
  --bg:#0d0e11;
  --bg-alt:#16191f;
  --border:#222831;
  --text:#eef0f2;
  --text-dim:#a7b0bb;
  --accent:#e21818;
  --accent-hover:#ff3a3a;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --transition:140ms ease;
  --max-width:1180px;
  --shadow-sm:0 2px 4px -2px rgba(0,0,0,.4);
  --shadow-md:0 6px 18px -8px rgba(0,0,0,.55);
  --focus:0 0 0 3px rgba(226,24,24,.35);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial, sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

html,body {
  margin:0;
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
}

a { color:var(--accent); text-decoration:none; }
a:hover { color:var(--accent-hover); }

/* Title Styles */
.first-level-title {
  font-size: 1.5rem;
  margin: 0;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 2px;
}

.second-level-title {
  font-size: 3rem;
  margin: 0;
  font-weight: 700;
  color: var(--text);
}

.third-level-title {
  font-size: 1.5rem;
  margin: 0;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.site-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
  padding:1rem 2.5rem;
  border-bottom:1px solid var(--border);
  background:rgba(13,14,17,.82);
  backdrop-filter:blur(12px);
  position:sticky;
  top:0;
  z-index:50;
}

.brand {
  display:flex;
  align-items:center;
  gap:.75rem;
  font-weight:600;
  letter-spacing:.5px;
}

.brand-logo {
  width:40px;
  height:auto;
  display:block;
  filter:drop-shadow(0 2px 4px rgba(0,0,0,.55));
}

.brand-name {
  font-size:1.05rem;
}

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

.main-nav a {
  position:relative;
  font-size:.95rem;
  font-weight:500;
  padding:.35rem .2rem;
  color:var(--text-dim);
  transition:color var(--transition);
}

.main-nav a::after {
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--accent);
  transition:width var(--transition);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color:var(--text);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  width:100%;
}

.hero {
  max-width:var(--max-width);
  margin:4.5rem auto 2.5rem;
  padding:0 2.5rem;
  text-align:center;
}

.hero h1 {
  margin:0 0 1rem;
  font-size:clamp(2.4rem,4.2vw,3.6rem);
  letter-spacing:.5px;
  font-weight:700;
  line-height:1.1;
  background:linear-gradient(90deg,#fff,#c9cfd6);
  -webkit-background-clip:text;
  color:transparent;
}

.lead {
  max-width:780px;
  margin:0 auto 2.2rem;
  font-size:1.05rem;
  color:var(--text-dim);
}

.hero-actions {
  display:flex;
  justify-content:center;
  gap:1rem;
  flex-wrap:wrap;
}

.btn {
  --btn-bg:var(--bg-alt);
  --btn-color:var(--text);
  --btn-border:var(--border);
  padding:.85rem 1.4rem;
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.5px;
  border:1px solid var(--btn-border);
  border-radius:var(--radius-md);
  background:var(--btn-bg);
  color:var(--btn-color);
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  cursor:pointer;
  transition:background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration:none;
}

.btn.primary {
  --btn-bg:var(--accent);
  --btn-border:var(--accent);
  color: black;
}

.btn.outline {
  --btn-bg:transparent;
  --btn-border:var(--border);
  color:var(--text-dim);
}

.btn:hover {
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
}

.btn.primary:hover {
  background:var(--accent-hover);
  border-color:var(--accent-hover);
}

.btn.outline:hover {
  color:var(--text);
  border-color:var(--accent);
}

.btn:focus-visible {
  outline:none;
  box-shadow:var(--focus);
}

.highlights {
  max-width:var(--max-width);
  padding:0 2.5rem 1rem;
  margin:0 auto 3.5rem;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.6rem;
}

.card {
  background:linear-gradient(145deg,#14161b,#101114);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:1.6rem 1.5rem 1.75rem;
  display:flex;
  flex-direction:column;
  gap:.75rem;
  position:relative;
  overflow:hidden;
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card::before {
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 85% 15%,rgba(226,24,24,.14),transparent 60%),
    radial-gradient(circle at 15% 85%,rgba(255,255,255,.05),transparent 70%);
  opacity:.8;
  pointer-events:none;
}

.card h2 {
  margin:0;
  font-size:1.05rem;
  letter-spacing:.5px;
  font-weight:600;
}

.card p {
  margin:0;
  font-size:.9rem;
  color:var(--text-dim);
  line-height:1.4;
}

.card:hover {
  transform:translateY(-4px);
  border-color:#2e3742;
  box-shadow:var(--shadow-md);
}

.social-contact {
  max-width:var(--max-width);
  margin:0 auto 4rem;
  padding:0 2.5rem;
  text-align:center;
}

.social-contact h2 {
  font-size:1.5rem;
  margin:0 0 1.5rem;
  font-weight:600;
  letter-spacing:.5px;
}

.social-row {
  display:flex;
  justify-content:center;
  gap:1rem;
  flex-wrap:wrap;
  margin-bottom:1.4rem;
}

.social-row a {
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border:1px solid var(--border);
  border-radius:50%;
  background:#121417;
  transition:background var(--transition), border-color var(--transition), transform var(--transition);
}

.social-row a img {
  width:24px;
  height:24px;
  display:block;
}

.social-row a:hover {
  background:var(--accent);
  border-color:var(--accent);
  transform:translateY(-3px);
}

.contact-mail {
  font-size:.95rem;
  color:var(--text-dim);
}

.contact-mail a {
  color:var(--text);
  font-weight:500;
}

.contact-mail a:hover {
  color:var(--accent-hover);
}

.site-footer {
  border-top:1px solid var(--border);
  padding:1.2rem 2.5rem;
  text-align:center;
  font-size:.8rem;
  color:var(--text-dim);
  letter-spacing:.5px;
}

@media (max-width:1060px) {
  .highlights {
    grid-template-columns:repeat(2,1fr);
  }
}

@media (max-width:880px) {
  .highlights {
    grid-template-columns:1fr;
  }
  .site-header { padding: .85rem 1.4rem; }
  .hero { padding:0 1.4rem; }
  .highlights { padding:0 1.4rem 1rem; }
  .social-contact { padding:0 1.4rem; }
  .main-nav { gap:1rem; }
}