:root {
  --bg: #0a0c0f;
  --surface: #111418;
  --surface2: #181d23;
  --border: #1e252e;
  --accent: #00e5ff;
  --accent2: #00ff99;
  --text: #e8edf2;
  --muted: #5a6a7a;
  --white: #ffffff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 5%;
  background: rgba(10,12,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  letter-spacing: 0.06em;
  color: var(--white);
  text-decoration: none;
}
.logo span { color: var(--accent); }
nav ul { list-style: none; display: flex; gap: 2rem; align-items: center; }
nav ul a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
nav ul a:hover { color: var(--accent); }
.nav-cta {
  background: var(--accent) !important;
  color: #000 !important;
  padding: 0.5rem 1.2rem !important;
  border-radius: 4px;
  font-weight: 600 !important;
  transition: opacity 0.2s !important;
}
.nav-cta:hover { opacity: 0.85 !important; color: #000 !important; }
.nav-cta-mobile { display: none; }

/* BUTTONS */
.btn-primary {
  background: var(--accent);
  color: #000;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  display: inline-block;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  display: inline-block;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* SECTION UTILS */
.section-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.03em;
  color: var(--white);
  line-height: 1;
  margin-bottom: 3rem;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 8rem 5% 5rem;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,255,0.07) 0%, transparent 70%);
  top: 50%; left: 65%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.hero-content { position: relative; max-width: 680px; }
.hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 30px; height: 1px;
  background: var(--accent);
}
.hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 2rem;
}
.hero h1 .accent-line { color: var(--accent); display: block; }
.hero-sub {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
}
.hero-sub strong { color: var(--text); font-weight: 500; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

/* SERVICES */
.services-section {
  background: var(--surface);
  padding: 6rem 5%;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.services-inner { max-width: 1200px; margin: 0 auto; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}
.service-card {
  background: var(--bg);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: background 0.2s;
  display: flex;
  flex-direction: column;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transition: transform 0.3s;
  transform-origin: left;
}
.service-card:hover { background: var(--surface2); }
.service-card:hover::after { transform: scaleX(1); }
.service-icon { font-size: 2rem; margin-bottom: 1.2rem; display: block; }
.service-title { font-weight: 600; font-size: 1.05rem; color: var(--white); margin-bottom: 0.75rem; }
.service-body { font-size: 0.88rem; color: var(--muted); line-height: 1.75; flex: 1; }
.card-link {
  display: inline-block;
  margin-top: 1.2rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-decoration: none;
  font-family: 'DM Mono', monospace;
  transition: opacity 0.2s;
}
.card-link:hover { opacity: 0.7; }

/* HOW IT WORKS */
.how-section { padding: 6rem 5%; }
.how-inner { max-width: 1200px; margin: 0 auto; }
.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}
.how-step { background: var(--bg); padding: 2.5rem 2rem; transition: background 0.2s; }
.how-step:hover { background: var(--surface2); }
.step-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 5rem;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1rem;
  transition: color 0.3s;
}
.how-step:hover .step-num { color: rgba(0,229,255,0.12); }
.step-title { font-weight: 600; font-size: 1rem; color: var(--white); margin-bottom: 0.6rem; }
.step-body { font-size: 0.88rem; color: var(--muted); line-height: 1.7; }

/* FOOTER */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 2rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
footer .logo { font-size: 1.3rem; }
footer p { font-size: 0.78rem; color: var(--muted); font-family: 'DM Mono', monospace; }

/* ANIMATIONS */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 768px) {
  nav ul { display: none; }
  .nav-cta-mobile {
    display: inline-block;
    background: var(--accent);
    color: #000;
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.45rem 1rem;
    border-radius: 4px;
    text-decoration: none;
  }
}