:root {
  --bg: #0b1118;
  --bg-2: #121a24;
  --ink: #e8eef6;
  --muted: #8fa0b5;
  --line: rgba(232, 238, 246, 0.12);
  --accent: #3dd6c6;
  --accent-2: #6ea8ff;
  --warn: #f0b429;
  --radius: 2px;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Syne", "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(61, 214, 198, 0.14), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(110, 168, 255, 0.12), transparent 50%),
    linear-gradient(180deg, #0a1017 0%, #0d141d 40%, #0b1118 100%);
  min-height: 100vh;
}

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

.top {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 6vw;
  backdrop-filter: blur(12px);
  background: rgba(11, 17, 24, 0.72);
  border-bottom: 1px solid var(--line);
}

.logo {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}
.logo span { color: var(--accent); font-weight: 700; margin-left: 0.2rem; }

nav { display: flex; gap: 1.4rem; font-size: 0.92rem; color: var(--muted); }
nav a:hover { color: var(--ink); }

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  padding: 7rem 6vw 4rem;
}

.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
  color: var(--accent);
  animation: rise 0.8s ease both;
}

.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.2vw, 2.8rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
  max-width: 16ch;
  animation: rise 0.9s 0.08s ease both;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 38ch;
  margin: 0 0 1.8rem;
  animation: rise 1s 0.14s ease both;
}

.cta { display: flex; flex-wrap: wrap; gap: 0.75rem; animation: rise 1s 0.2s ease both; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); color: inherit; }
.btn--primary { background: var(--accent); color: #06221f; }
.btn--primary:hover { background: #62e4d6; }
.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--accent); }

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fade 1.2s 0.15s ease both;
}

.rack {
  position: relative;
  width: min(320px, 70vw);
  height: min(520px, 68vh);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #151e2a, #0d131b);
  border-radius: 4px;
  padding: 1rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.rack__slot {
  flex: 1;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(90deg, #1a2431, #121923);
  position: relative;
}
.rack__slot::before {
  content: "";
  position: absolute;
  left: 0.7rem;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: #2a3646;
}
.rack__slot--lit::before {
  background: var(--accent);
  box-shadow: 0 0 12px rgba(61, 214, 198, 0.8);
  animation: blink 2.8s ease-in-out infinite;
}
.rack__slot--lit:nth-child(4)::before { animation-delay: 0.6s; background: var(--accent-2); box-shadow: 0 0 12px rgba(110, 168, 255, 0.75); }
.rack__slot--lit:nth-child(6)::before { animation-delay: 1.2s; background: var(--warn); box-shadow: 0 0 12px rgba(240, 180, 41, 0.7); }

.rack__glow {
  position: absolute;
  inset: auto -20% -30%;
  height: 45%;
  background: radial-gradient(circle, rgba(61, 214, 198, 0.25), transparent 65%);
  pointer-events: none;
  animation: pulse 4s ease-in-out infinite;
}

.section {
  padding: 5rem 6vw;
  border-top: 1px solid var(--line);
}
.section--alt { background: rgba(18, 26, 36, 0.55); }
.section h2 {
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}
.section__sub { color: var(--muted); margin: 0 0 2rem; max-width: 48ch; }

.lines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.lines article {
  padding: 1.4rem 0;
  border-top: 2px solid var(--accent);
}
.lines h3 {
  font-family: var(--display);
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
}
.lines p { margin: 0; color: var(--muted); line-height: 1.5; }

.fit {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem 2rem;
}
.fit li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.contact p { margin: 0.35rem 0; color: var(--muted); }
.contact a { color: var(--accent); font-weight: 600; }

.foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem 6vw 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
@keyframes fade {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: none; }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
@keyframes pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 6.5rem; min-height: auto; }
  .hero__visual { order: -1; }
  .rack { height: 280px; width: min(260px, 75vw); }
  .lines, .fit { grid-template-columns: 1fr; }
  nav { display: none; }
}