:root {
  --bg: #0b1020;
  --bg-2: #0f162b;
  --surface: #131b33;
  --line: rgba(255, 255, 255, .08);
  --text: #e7ecf7;
  --muted: #9aa6c3;
  --accent: #5b8cff;
  --accent-2: #22d3ee;
  --grad: linear-gradient(120deg, var(--accent), var(--accent-2));
  --radius: 16px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .6);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.15; margin: 0 0 .6em; letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.container { width: min(1160px, 100%); margin-inline: auto; padding-inline: 24px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85em 1.5em; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--grad); color: #071022; font: 600 1rem var(--font);
  box-shadow: 0 10px 30px -10px rgba(91, 140, 255, .7);
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(34, 211, 238, .7); }
.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--line); box-shadow: none; }
.btn--ghost:hover { border-color: var(--accent); box-shadow: none; }
.btn--sm { padding: .55em 1.1em; font-size: .9rem; }
.btn--full { width: 100%; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 16, 32, .7); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font: 600 1.15rem var(--display); }
.brand strong { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-left: 2px; }
.nav__links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav__links a:not(.btn) { color: var(--muted); font-size: .95rem; transition: color .2s; }
.nav__links a:not(.btn):hover { color: var(--text); }
.nav__tools { display: flex; align-items: center; gap: 12px; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang button {
  background: none; border: 0; color: var(--muted); font: 600 .75rem var(--font);
  padding: .35em .7em; border-radius: 999px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--surface); color: var(--text); }
.nav__toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: .3s; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(80px, 14vw, 160px) 0 100px; }
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
}
.hero__glow {
  position: absolute; width: 900px; height: 600px; left: 50%; top: -260px; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(91, 140, 255, .35), rgba(34, 211, 238, .12), transparent);
  filter: blur(20px);
}
.hero__inner { position: relative; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: .4em 1em; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255, 255, 255, .03); color: var(--muted); font-size: .85rem;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); }
.hero h1 { font-size: clamp(2.5rem, 7vw, 5rem); margin: .5em 0 .4em; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 680px; margin: 0 auto 2em; font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--muted); }
.hero__cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__stats {
  list-style: none; padding: 0; margin: 72px auto 0; max-width: 760px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.hero__stats li { background: var(--bg); padding: 22px 12px; }
.hero__stats strong { display: block; font: 700 1.8rem var(--display); }
.hero__stats span { color: var(--muted); font-size: .85rem; }

/* Sections */
.section { padding: clamp(72px, 10vw, 120px) 0; }
.section--alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.kicker { color: var(--accent-2); font: 600 .8rem var(--font); letter-spacing: .14em; text-transform: uppercase; margin-bottom: .8em; }
.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.split p { color: var(--muted); font-size: 1.05rem; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  position: relative; padding: 32px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(91, 140, 255, .4); box-shadow: var(--shadow); }
.card p { color: var(--muted); margin: 0; }
.card__icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 20px;
  background: linear-gradient(120deg, rgba(91, 140, 255, .18), rgba(34, 211, 238, .18));
}
.card__icon svg, .contact__list svg { width: 24px; height: 24px; fill: none; stroke: var(--accent-2); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.steps li { padding: 28px; border-top: 2px solid var(--line); position: relative; }
.steps li::before { content: ""; position: absolute; top: -2px; left: 0; width: 48px; height: 2px; background: var(--grad); }
.steps__n { font: 700 .9rem var(--display); color: var(--accent); display: block; margin-bottom: 12px; }
.steps p { color: var(--muted); margin: 0; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 56px; }
.value { padding: 24px; border-radius: var(--radius); border: 1px dashed var(--line); text-align: center; }
.value h4 { font-size: 1.05rem; margin-bottom: .3em; }
.value p { color: var(--muted); margin: 0; font-size: .92rem; }

/* Facts */
.facts { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.facts div { display: grid; grid-template-columns: 200px 1fr; gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--line); }
.facts div:last-child { border-bottom: 0; }
.facts dt { color: var(--muted); font-size: .9rem; }
.facts dd { margin: 0; font-weight: 500; }

/* Contact */
.contact {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 72px);
  padding: clamp(28px, 5vw, 56px); border-radius: 24px;
  background: linear-gradient(160deg, var(--surface), var(--bg-2)); border: 1px solid var(--line);
}
.contact__list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.contact__list li { display: flex; align-items: center; gap: 12px; }
.contact__list a:hover { color: var(--accent-2); }
.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: .88rem; color: var(--muted); }
.form input, .form textarea {
  width: 100%; padding: .85em 1em; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(0, 0, 0, .25); color: var(--text); font: inherit; resize: vertical;
  transition: border-color .2s, box-shadow .2s;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91, 140, 255, .2); }
.form .invalid { border-color: #f87171; }
.form__note { margin: 0; min-height: 1.4em; font-size: .9rem; color: var(--accent-2); }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0; }
.footer__inner { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.footer .brand { margin-bottom: 10px; }
.footer p { margin: 0; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .cards, .steps, .values { grid-template-columns: repeat(2, 1fr); }
  .split, .contact { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 12px 24px 24px;
    background: var(--bg); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: .25s;
  }
  .nav__links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav__links .btn { margin-top: 16px; }
  .nav__tools { margin-left: auto; }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 560px) {
  .container { padding-inline: 18px; }
  .cards, .steps, .values, .form__row { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: 1fr; }
  .facts div { grid-template-columns: 1fr; gap: 2px; }
}