:root {
  --bg: #07080a;
  --bg-2: #0e1116;
  --bg-3: #151a22;
  --panel: rgba(18, 22, 30, 0.72);
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8edf4;
  --muted: #93a0b3;
  --cyan: #3ad4ff;
  --cyan-2: #7ae4ff;
  --steel: #8ea0b8;
  --warn: #ffb45a;
  --ok: #3ee0a8;
  --radius: 18px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Manrope", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(7, 8, 10, 0.62);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 13px;
}
.brand img {
  width: 42px; height: 42px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--line);
}
.nav-links {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--cyan);
  color: #041018;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lang-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.lang-switch button {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 8px 11px;
  cursor: pointer;
}
.lang-switch button.active {
  background: var(--cyan);
  color: #041018;
}
.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
}

/* HERO */
.hero {
  min-height: 100vh;
  padding: 120px 0 70px;
  position: relative;
  display: grid;
  align-items: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 400px at 80% 20%, rgba(58, 212, 255, 0.12), transparent 55%),
    radial-gradient(700px 400px at 10% 80%, rgba(255, 180, 90, 0.06), transparent 50%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.kicker {
  color: var(--cyan);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 18px;
}
h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 22px;
}
h1 span { color: var(--cyan); }
.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid transparent;
}
.btn-primary { background: var(--cyan); color: #041018; }
.btn-ghost { border-color: var(--line); color: var(--text); }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
  max-width: 520px;
}
.stat { border-top: 1px solid var(--line); padding-top: 14px; }
.stat b {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 28px;
  letter-spacing: -0.04em;
}
.stat span { color: var(--muted); font-size: 13px; }
.hero-visual {
  position: relative;
}
.hero-visual img {
  width: 100%;
  height: 78vh;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.badge {
  position: absolute;
  left: 18px; bottom: 18px;
  background: rgba(7,8,10,.72);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 13px;
}
.badge small { display: block; color: var(--muted); }

/* SECTIONS */
section { padding: 96px 0; }
.section-head { max-width: 680px; margin-bottom: 42px; }
h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 8px 0 16px;
}
.muted { color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 220px;
}
.card h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 22px;
  margin: 14px 0 10px;
}
.icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(58,212,255,0.1);
  color: var(--cyan);
  font-weight: 800;
}

/* APPLICATIONS */
.app-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}
.app-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  min-height: 360px;
  border: 1px solid var(--line);
}
.app-card img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.app-card .overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,.78));
}
.app-side { display: grid; gap: 18px; }
.app-mini { min-height: 171px; }

/* PROCESS */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.step {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}
.step .n {
  font-family: "Space Grotesk", sans-serif;
  color: var(--cyan);
  font-size: 28px;
  letter-spacing: -0.05em;
}

/* MATERIALS */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}
.split img {
  border-radius: 24px;
  height: 460px;
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}
.list { list-style: none; margin-top: 18px; }
.list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 10px;
  color: var(--muted);
}
.list b { color: var(--text); min-width: 130px; }

/* WHY */
.why {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.why-item {
  background: var(--bg-3);
  border-radius: 18px;
  padding: 24px;
  border: 1px solid var(--line);
}

/* CONTACT */
.contact-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 40px;
}
.contact-info p { margin: 10px 0 18px; color: var(--muted); }
.fb-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #0a0d12;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
}
.fb-card strong { font-family: "Space Grotesk", sans-serif; font-size: 22px; }
.fb-card p { color: var(--muted); margin: 0; }
.btn-fb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #1877f2;
  color: #fff;
  padding: 13px 18px;
  border-radius: 999px;
  font-weight: 700;
}

footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 50px;
  color: var(--muted);
  font-size: 14px;
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 960px) {
  .hero-grid, .app-grid, .split, .contact-panel, .cards, .process, .why {
    grid-template-columns: 1fr;
  }
  .hero-visual img { height: 56vh; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: #0b0e13;
    padding: 20px;
    border-bottom: 1px solid var(--line);
  }
  .nav-cta { display: none; }
  .menu-btn { display: block; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
}