:root {
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  --blue: #007bba;
  --blue2: #1779af;
  --ink: #231f20;
  --mute: #5b6b76;
  --bg: #fff;
  --sky: #f2f8fc;
  --line: #d9e8f2;
  --glow: #bfe3f7;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(84px + env(safe-area-inset-top, 0px));
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    400 17px/1.6 Manrope,
    system-ui,
    sans-serif;
}
h1,
h2,
h3 {
  font-family: Unbounded, Manrope, sans-serif;
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
}
h1 {
  font-size: clamp(32px, 5vw, 56px);
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  letter-spacing: -0.01em;
}
h3 {
  font-size: 19px;
}
p {
  margin: 0;
}
a {
  color: inherit;
}
.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}
section {
  padding: 88px 0;
}
.alt {
  background: var(--sky);
}
.lead {
  color: var(--mute);
  max-width: 70ch;
  margin-top: 14px;
}
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--blue);
  cursor: pointer;
  font:
    700 16px Manrope,
    sans-serif;
  transition:
    background 0.2s,
    transform 0.2s;
}
.btn:hover {
  background: var(--blue2);
  transform: translateY(-2px);
}
.btn.ghost {
  background: transparent;
  color: var(--blue);
}
.btn.ghost:hover {
  background: var(--sky);
}
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}
/* header */
header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.bar img {
  height: 44px;
  width: auto;
  display: block;
}
nav ul {
  display: flex;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  color: var(--mute);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
nav a:hover,
nav a.on {
  color: var(--blue);
  border-color: var(--blue);
}
.burger {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  width: 44px;
  height: 44px;
  font-size: 22px;
  cursor: pointer;
  color: var(--blue);
}
/* hero */
.hero {
  padding: 56px 0 80px;
  background: radial-gradient(900px 500px at 78% 30%, var(--glow), transparent 70%), linear-gradient(#fff, var(--sky));
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: center;
}
.hero p.lead {
  font-size: 19px;
}
.cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.stage {
  position: relative;
}
#rb {
  width: 100%;
  aspect-ratio: 4/5;
  max-height: 600px;
  margin: 0 auto;
}
#rb canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
}
.stage svg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 560px;
}
.chip {
  position: absolute;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 123, 186, 0.14);
}
.chip b {
  display: block;
  color: var(--blue);
  font-family: Unbounded, sans-serif;
  font-weight: 500;
  font-size: 18px;
}
.c1 {
  left: 0;
  top: 34%;
}
.c2 {
  right: 0;
  top: 4%;
}
.c3 {
  right: 0;
  bottom: 8%;
}
.eye {
  animation: blink 5s infinite;
  transform-origin: center;
  transform-box: fill-box;
}
.core {
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes blink {
  0%,
  94%,
  100% {
    transform: scaleY(1);
  }
  97% {
    transform: scaleY(0.1);
  }
}
@keyframes pulse {
  50% {
    opacity: 0.45;
  }
}
/* stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: -40px;
  position: relative;
}
.stats div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}
.stats b {
  display: block;
  font:
    500 30px Unbounded,
    sans-serif;
  color: var(--blue);
}
.stats span {
  color: var(--mute);
  font-size: 15px;
}
/* services */
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card ul {
  margin: 6px 0 0;
  padding-left: 18px;
  color: var(--mute);
  font-size: 15px;
}
.card li {
  margin: 4px 0;
}
.ico {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--sky);
  display: grid;
  place-items: center;
}
.ico svg {
  width: 28px;
  height: 28px;
  stroke: var(--blue);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card a {
  margin-top: auto;
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}
/* process */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 44px;
  counter-reset: s;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  left: 5%;
  right: 5%;
  top: 22px;
  height: 2px;
  background: var(--line);
}
.step {
  position: relative;
  padding: 0 12px;
  text-align: center;
}
.step::before {
  counter-increment: s;
  content: counter(s);
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font:
    500 16px Unbounded,
    sans-serif;
  position: relative;
}
.step p {
  color: var(--mute);
  font-size: 14.5px;
  margin-top: 6px;
}
/* tech */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.tags span {
  padding: 9px 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 500;
  font-size: 15px;
}
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.pts {
  display: grid;
  gap: 16px;
}
.pts div {
  padding: 20px 22px;
  background: #fff;
  border-left: 4px solid var(--blue);
  border-radius: 6px 16px 16px 6px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pts p {
  color: var(--mute);
  font-size: 15px;
  margin-top: 4px;
}
/* cases */
.case b {
  font:
    500 34px Unbounded,
    sans-serif;
  color: var(--blue);
}
.case small {
  color: var(--mute);
}
/* faq */
details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
summary::after {
  content: "+";
  color: var(--blue);
  font-size: 24px;
  line-height: 1;
}
details[open] summary::after {
  content: "−";
}
details p {
  color: var(--mute);
  margin-top: 10px;
  max-width: 70ch;
}
/* contact */
.contact {
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  color: #fff;
  border-radius: 28px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact .lead {
  color: #dff1fb;
}
.fld {
  display: grid;
  gap: 12px;
}
.fld input,
.fld select,
.fld textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  border: 0;
  font:
    16px Manrope,
    sans-serif;
  background: #fff;
  color: var(--ink);
}
.fld .btn {
  background: var(--ink);
  border-color: var(--ink);
}
.ok {
  display: none;
  background: #fff;
  color: var(--ink);
  padding: 14px 16px;
  border-radius: 12px;
}
footer {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}
footer img {
  height: 40px;
  width: auto;
}
footer p,
footer a {
  color: var(--mute);
  font-size: 14px;
}
@media (max-width: 900px) {
  .burger {
    display: block;
  }
  nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: none;
    padding: 12px 24px 20px;
  }
  nav.open {
    display: block;
  }
  nav ul {
    flex-direction: column;
    gap: 6px;
  }
  .bar .btn {
    display: none;
  }
  .hero .wrap,
  .two,
  .contact,
  .grid3 {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: 1fr 1fr;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .steps::before {
    display: none;
  }
  .step {
    text-align: left;
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 0 16px;
    padding: 0;
  }
  .step::before {
    margin: 0;
    grid-row: span 2;
  }
  section {
    padding: 60px 0;
  }
  .contact {
    padding: 30px 22px;
  }
  .chip {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    scroll-behavior: auto !important;
  }
}