:root {
  --blue:        #0b5cff;
  --blue-bright: #4d8bff;
  --blue-deep:   #123a9e;

  --ink:         #08090c;
  --ink-raised:  #0d1017;
  --ink-panel:   #0b0e15;
  --line:        rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text:        #eef1f7;
  --text-soft:   #a7b0c2;
  --text-faint:  #6f7a90;

  --wrap:        1180px;
  --radius:      14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
svg { display: block; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

/* diamond motif, lifted from the logo */
.dia {
  width: 8px;
  height: 8px;
  flex: none;
  transform: rotate(45deg);
  background: linear-gradient(140deg, var(--blue-bright), var(--blue));
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(8, 9, 12, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { height: 34px; width: auto; }

.brand-name {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 34px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-soft);
}

.nav a { transition: color 0.15s ease; }
.nav a:hover { color: var(--text); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding: 112px 0 100px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  top: -340px;
  left: 58%;
  width: 1150px;
  height: 800px;
  margin-left: -575px;
  background: radial-gradient(closest-side, rgba(11, 92, 255, 0.28), rgba(11, 92, 255, 0) 72%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.35rem);
  font-weight: 700;
}

.grad {
  background: linear-gradient(100deg, var(--blue) 0%, var(--blue-bright) 55%, #9dbcff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  margin-top: 24px;
  max-width: 52ch;
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-soft);
}

.pillbar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.pillbar li {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 17px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.02);
}

/* ---------- hero panel ---------- */

.panel {
  background: var(--ink-panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9),
              0 0 0 1px rgba(11, 92, 255, 0.08);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.dots { display: flex; gap: 6px; }

.dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
}

.dots i:first-child { background: rgba(11, 92, 255, 0.65); }

.panel-title {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.panel-body { padding: 22px; }

.nodegrid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
  margin-bottom: 22px;
}

.nodegrid i {
  aspect-ratio: 1;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
}

.nodegrid i.on  { background: linear-gradient(140deg, var(--blue), var(--blue-deep)); }
.nodegrid i.hot { background: var(--blue-bright); }

.layers { list-style: none; margin: 0; padding: 0; }

.layers li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  font-weight: 500;
}

.layer-name { flex: 1; }

.tag {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-bright);
  border: 1px solid rgba(77, 139, 255, 0.3);
  border-radius: 999px;
  padding: 3px 10px;
}

.spark {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 56px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.spark i {
  flex: 1;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, var(--blue-bright), rgba(11, 92, 255, 0.15));
}

/* ---------- section furniture ---------- */

.section { padding: 96px 0; }

.section-alt {
  background: var(--ink-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.section-title {
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  font-weight: 600;
}

.section-sub {
  margin-top: 10px;
  color: var(--text-faint);
  font-weight: 300;
  font-size: 1rem;
}

.count {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
}

/* ---------- service cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 42px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px 28px;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--blue-bright), transparent);
  opacity: 0.85;
}

.card:hover { border-color: var(--line-strong); transform: translateY(-3px); }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  color: var(--blue-bright);
  background: rgba(11, 92, 255, 0.12);
  border: 1px solid rgba(77, 139, 255, 0.26);
}

.icon svg { width: 24px; height: 24px; }

.card-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
}

.card h3 { font-size: 1.35rem; font-weight: 600; }

.card-lede {
  margin-top: 12px;
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 300;
}

.card ul {
  list-style: none;
  margin: 26px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.card li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 11px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-soft);
}

.card li:last-child { margin-bottom: 0; }

.card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  transform: rotate(45deg);
  background: var(--blue);
}

/* ---------- steps timeline ---------- */

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
}

.steps::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 12px;
  right: 12px;
  height: 1px;
  background: linear-gradient(90deg, var(--blue), rgba(77, 139, 255, 0.35), var(--line));
}

.steps li { position: relative; }

.step-num {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--blue), var(--blue-deep));
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 18px;
  box-shadow: 0 0 0 6px var(--ink-raised);
}

.steps h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 9px; }

.steps p {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-soft);
}

/* ---------- about ---------- */

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-copy p {
  margin-top: 20px;
  color: var(--text-soft);
  font-weight: 300;
  font-size: 0.98rem;
  max-width: 50ch;
}

.principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.principles li {
  background: var(--ink-panel);
  padding: 26px 24px;
}

.principles .dia { margin-bottom: 16px; }
.principles h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }

.principles p {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--text-faint);
  line-height: 1.55;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 38px 0;
  background: var(--ink-raised);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-faint);
}

.site-footer .brand-mark { height: 26px; }
.site-footer .brand-name { font-size: 0.95rem; color: var(--text); }
.muted { color: var(--text-faint); }

/* ---------- responsive ---------- */

@media (max-width: 1040px) {
  .hero-grid, .about { grid-template-columns: 1fr; gap: 48px; }
  .cards { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .steps::before { display: none; }
}

@media (max-width: 620px) {
  .wrap { padding: 0 20px; }
  .nav { gap: 20px; font-size: 0.8rem; }
  .hero { padding: 72px 0 64px; }
  .section { padding: 68px 0; }
  .steps, .principles { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}