:root {
  --bg: #0b1020;
  --bg-alt: #10172b;
  --card: #141c33;
  --line: #24304f;
  --text: #e6eaf5;
  --muted: #9aa5c4;
  --cyan: #22d3ee;
  --violet: #8b5cf6;
  --grad: linear-gradient(135deg, var(--cyan), var(--violet));
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .logo { font-family: "Space Grotesk", sans-serif; line-height: 1.15; }
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 32px); }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px;
  background: var(--grad); color: #fff; font-weight: 600; border: 0; cursor: pointer;
  font: 600 15px "Inter", sans-serif; transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(139, 92, 246, .6); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-ghost { background: transparent; border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--cyan); box-shadow: none; }

/* Header */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  background: rgba(11, 16, 32, .75); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.header.scrolled { border-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.logo b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-left: 2px; }
.menu { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.menu a:not(.btn) { color: var(--muted); transition: color .2s; }
.menu a:not(.btn):hover { color: var(--text); }
.burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: .3s; }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; padding: 110px 0 70px; }
#net { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.hero::after {
  content: ""; position: absolute; width: 700px; height: 700px; right: -200px; top: -150px;
  background: radial-gradient(circle, rgba(139,92,246,.25), transparent 65%); pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; color: var(--cyan);
  font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
h1 { font-size: clamp(38px, 6.5vw, 72px); margin-bottom: 22px; letter-spacing: -.02em; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 640px; margin-bottom: 34px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags li { font-size: 13px; color: var(--muted); border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; background: rgba(20,28,51,.6); }

/* Sections */
.section { padding: 100px 0; }
.alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; letter-spacing: -.01em; }
.section p { color: var(--muted); }
.section-head p { font-size: 17px; }

.grid.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: transform .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, .5); }
.icon {
  width: 52px; height: 52px; display: grid; place-items: center; font-size: 24px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(34,211,238,.15), rgba(139,92,246,.15)); margin-bottom: 18px;
}
.card h3 { font-size: 20px; margin-bottom: 10px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split > div > p { margin-bottom: 26px; font-size: 17px; }

.industries { list-style: none; display: grid; gap: 12px; }
.industries li {
  background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--cyan);
  border-radius: 12px; padding: 16px 20px; display: grid; gap: 2px;
}
.industries li:nth-child(even) { border-left-color: var(--violet); }
.industries span { color: var(--muted); font-size: 14px; }

.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: s; }
.steps li { position: relative; padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.steps span { font: 700 40px "Space Grotesk", sans-serif; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; margin-bottom: 8px; }
.steps h3 { font-size: 19px; margin-bottom: 8px; }

.about-visual { display: grid; place-items: center; aspect-ratio: 1; max-width: 420px; margin: auto; width: 100%; position: relative; }
.about-visual::before { content: ""; position: absolute; inset: 8%; border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.25), transparent 70%); }
.about-visual svg { width: 60%; position: relative; animation: float 6s ease-in-out infinite; filter: drop-shadow(0 20px 40px rgba(139,92,246,.4)); }
@keyframes float { 50% { transform: translateY(-14px) rotate(3deg); } }
.checks { list-style: none; display: grid; gap: 12px; }
.checks li { padding-left: 32px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; font-size: 12px; font-weight: 700; }

details { border: 1px solid var(--line); border-radius: 12px; background: var(--card); margin-bottom: 12px; }
summary { cursor: pointer; padding: 18px 22px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--cyan); font-size: 22px; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { padding: 0 22px 20px; }

.contact { background: radial-gradient(ellipse at top left, rgba(34,211,238,.08), transparent 50%), var(--bg-alt); }
.contact-list { list-style: none; display: grid; gap: 10px; }
.contact-list a { color: var(--text); border-bottom: 1px dashed var(--line); }
.contact-list a:hover { color: var(--cyan); }
.form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: grid; gap: 16px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); font-weight: 500; }
.form input, .form select, .form textarea {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; outline: none; transition: border-color .2s; width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--cyan); }
.form .btn { justify-self: start; }
.form-note { font-size: 14px; min-height: 1em; }

.footer { border-top: 1px solid var(--line); padding: 28px 0; }
.foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.foot .logo { font-size: 17px; color: var(--text); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .about-visual svg, .dot { animation: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { max-width: 260px; }
}
@media (max-width: 820px) {
  .burger { display: block; }
  .menu {
    position: fixed; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 20px;
    transform: translateY(-120%); transition: transform .3s; z-index: -1;
  }
  .menu.open { transform: none; }
  .menu a:not(.btn) { padding: 14px 4px; width: 100%; border-bottom: 1px solid var(--line); }
  .menu .btn { margin-top: 16px; }
  .burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 560px) {
  .section { padding: 72px 0; }
  .steps, .form .row { grid-template-columns: 1fr; }
  .grid.cards { grid-template-columns: 1fr; }
  .foot { justify-content: center; text-align: center; }
}