:root {
  --bg: #05090f;
  --bg-soft: #080e16;
  --surface: #0c141f;
  --surface-2: #101b29;

  --border: #172638;
  --border-bright: #223a53;

  --text: #f5f8fc;
  --text-soft: #ccd6e2;
  --muted: #8798aa;

  --blue: #0c9cff;
  --blue-light: #54c3ff;
  --blue-dark: #0756af;

  --max: 1180px;

  --radius: 16px;
  --radius-lg: 22px;
}


/* RESET */

* {
  box-sizing: border-box;
}


html {
  scroll-behavior: smooth;
}


body {
  margin: 0;

  background: var(--bg);

  color: var(--text);

  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Arial,
    sans-serif;

  line-height: 1.6;

  -webkit-font-smoothing: antialiased;
}


img {
  display: block;
  max-width: 100%;
}


a {
  color: inherit;
}


.shell {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}


/* HEADER */

.header {
  position: sticky;
  top: 0;

  z-index: 100;

  background: rgba(5, 9, 15, 0.91);

  backdrop-filter: blur(18px);

  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}


.header-inner {
  min-height: 74px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 40px;
}


.brand {
  display: flex;
  align-items: center;

  gap: 12px;

  text-decoration: none;
}


.brand img {
  width: 46px;
  height: 46px;

  object-fit: contain;
}


.brand-text {
  display: flex;
  flex-direction: column;

  line-height: 1.15;
}


.brand-text strong {
  font-size: 15px;
  font-weight: 700;
}


.brand-text span {
  margin-top: 3px;

  color: var(--muted);

  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}


nav {
  display: flex;
  align-items: center;

  gap: 30px;
}


nav a {
  color: var(--muted);

  font-size: 13px;
  font-weight: 500;

  text-decoration: none;

  transition: color 0.2s ease;
}


nav a:hover {
  color: var(--text);
}


.nav-button {
  padding: 9px 15px;

  border: 1px solid var(--border-bright);

  border-radius: 7px;

  color: var(--text);
}


/* HERO */

.hero {
  position: relative;

  overflow: hidden;

  border-bottom: 1px solid var(--border);

  background:
    radial-gradient(
      circle at 82% 30%,
      rgba(0, 149, 255, 0.12),
      transparent 36%
    ),
    linear-gradient(
      180deg,
      #050a11,
      #05090f
    );
}


.grid-background {
  position: absolute;

  inset: 0;

  pointer-events: none;

  background-image:
    linear-gradient(
      rgba(30, 137, 209, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(30, 137, 209, 0.04) 1px,
      transparent 1px
    );

  background-size: 50px 50px;

  mask-image:
    linear-gradient(
      to bottom,
      black 0%,
      transparent 95%
    );
}


.hero-grid {
  position: relative;

  z-index: 2;

  min-height: 640px;

  display: grid;
  grid-template-columns: 1.08fr 0.92fr;

  align-items: center;

  gap: 80px;

  padding-top: 72px;
  padding-bottom: 72px;
}


.kicker,
.section-label {
  color: var(--blue);

  font-size: 11px;
  font-weight: 700;

  letter-spacing: 0.17em;

  text-transform: uppercase;
}


.hero h1 {
  max-width: 680px;

  margin: 16px 0 0;

  font-size: clamp(50px, 5.3vw, 76px);

  line-height: 1.01;

  letter-spacing: -0.045em;
}


.hero h1 span {
  display: block;

  margin-top: 4px;

  background:
    linear-gradient(
      100deg,
      #ffffff,
      #93d3ff 70%,
      #18a4ff
    );

  -webkit-background-clip: text;

  background-clip: text;

  color: transparent;
}


.hero-lead {
  max-width: 650px;

  margin: 24px 0 0;

  color: var(--muted);

  font-size: 18px;

  line-height: 1.75;
}


.hero-actions {
  display: flex;
  flex-wrap: wrap;

  gap: 12px;

  margin-top: 30px;
}


.btn {
  min-height: 46px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0 19px;

  border-radius: 8px;

  font-size: 13px;
  font-weight: 700;

  text-decoration: none;

  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}


.btn:hover {
  transform: translateY(-2px);
}


.btn-primary {
  background:
    linear-gradient(
      135deg,
      var(--blue-dark),
      var(--blue)
    );
}


.btn-secondary {
  border: 1px solid var(--border-bright);

  background: rgba(255, 255, 255, 0.025);
}


.hero-tags {
  display: flex;
  flex-wrap: wrap;

  gap: 9px;

  margin-top: 29px;
}


.hero-tags span {
  padding: 7px 10px;

  color: #aebdcb;

  border: 1px solid var(--border);

  border-radius: 6px;

  background: rgba(255, 255, 255, 0.02);

  font-size: 11px;
}


/* HERO BRAND CARD */

.hero-brand-card {
  position: relative;

  overflow: hidden;

  min-height: 470px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  padding: 46px;

  text-align: center;

  background:
    linear-gradient(
      145deg,
      rgba(17, 30, 45, 0.96),
      rgba(7, 13, 21, 0.98)
    );

  border: 1px solid var(--border-bright);

  border-radius: var(--radius-lg);

  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.35);
}


.hero-brand-card::after {
  content: "";

  position: absolute;

  inset: 0;

  pointer-events: none;

  background:
    linear-gradient(
      135deg,
      rgba(13, 156, 255, 0.07),
      transparent 45%
    );
}


.brand-glow {
  position: absolute;

  width: 280px;
  height: 280px;

  top: -120px;
  right: -90px;

  border-radius: 50%;

  background: rgba(0, 149, 255, 0.16);

  filter: blur(80px);
}


.hero-logo {
  position: relative;

  z-index: 2;

  width: 180px;
  height: 180px;

  object-fit: contain;
}


.hero-brand-title {
  position: relative;

  z-index: 2;

  margin-top: 8px;

  font-size: 54px;
  font-weight: 800;

  line-height: 1;

  letter-spacing: 0.09em;
}


.hero-brand-name {
  position: relative;

  z-index: 2;

  margin-top: 12px;

  color: var(--text-soft);

  font-size: 14px;
  font-weight: 700;

  letter-spacing: 0.08em;

  text-transform: uppercase;
}


.hero-brand-line {
  position: relative;

  z-index: 2;

  margin-top: 7px;

  color: var(--muted);

  font-size: 9px;
  font-weight: 600;

  letter-spacing: 0.16em;

  text-transform: uppercase;
}


.brand-divider {
  position: relative;

  z-index: 2;

  width: 100%;

  height: 1px;

  margin: 32px 0 24px;

  background:
    linear-gradient(
      to right,
      transparent,
      #24547a,
      transparent
    );
}


.brand-stats {
  position: relative;

  z-index: 2;

  width: 100%;

  display: grid;
  grid-template-columns: repeat(3, 1fr);
}


.brand-stats div {
  display: flex;
  flex-direction: column;

  align-items: center;

  border-right: 1px solid var(--border);
}


.brand-stats div:last-child {
  border-right: none;
}


.brand-stats strong {
  color: var(--blue-light);

  font-size: 17px;
}


.brand-stats span {
  margin-top: 3px;

  color: var(--muted);

  font-size: 10px;
}


/* CAPABILITY BAR */

.capability-bar {
  background: #070c12;

  border-bottom: 1px solid var(--border);
}


.capability-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);
}


.capability-grid > div {
  min-height: 130px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  padding: 25px 34px;

  border-right: 1px solid var(--border);
}


.capability-grid > div:first-child {
  border-left: 1px solid var(--border);
}


.cap-number {
  margin-bottom: 7px;

  color: var(--blue);

  font-size: 10px;
  font-weight: 700;
}


.capability-grid strong {
  font-size: 15px;
}


.capability-grid p {
  margin: 5px 0 0;

  color: var(--muted);

  font-size: 12px;
}


/* SECTION */

.section {
  padding: 95px 0;

  border-bottom: 1px solid var(--border);
}


.section-alt {
  background:
    linear-gradient(
      180deg,
      #080e16,
      #060b11
    );
}


.section-head {
  display: grid;

  grid-template-columns: 1.15fr 0.85fr;

  align-items: end;

  gap: 70px;

  margin-bottom: 48px;
}


.section-head h2,
.technology-intro h2,
.approach h2,
.about-copy h2,
.contact h2 {
  margin: 12px 0 0;

  font-size: clamp(35px, 4vw, 54px);

  line-height: 1.08;

  letter-spacing: -0.035em;
}


.section-head > p,
.technology-intro > p {
  margin: 0;

  color: var(--muted);

  font-size: 15px;

  line-height: 1.8;
}


/* SERVICES */

.services {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 18px;
}


.service-card {
  position: relative;

  min-height: 375px;

  padding: 29px;

  background:
    linear-gradient(
      155deg,
      rgba(15, 27, 41, 0.98),
      rgba(8, 14, 22, 0.98)
    );

  border: 1px solid var(--border);

  border-radius: var(--radius);

  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}


.service-card:hover {
  transform: translateY(-4px);

  border-color: #285071;
}


.service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}


.service-top > span {
  color: #52667a;

  font-size: 11px;
  font-weight: 700;
}


.service-icon {
  min-width: 48px;
  height: 48px;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 0 10px;

  border: 1px solid rgba(30, 165, 255, 0.2);

  border-radius: 9px;

  background: rgba(12, 156, 255, 0.07);

  color: var(--blue);

  font-size: 11px;
  font-weight: 800;
}


.service-card h3 {
  margin: 26px 0 10px;

  font-size: 20px;
}


.service-card > p {
  min-height: 70px;

  margin: 0;

  color: var(--muted);

  font-size: 13px;

  line-height: 1.7;
}


.service-card ul {
  margin: 24px 0 0;

  padding: 0;

  list-style: none;
}


.service-card li {
  position: relative;

  padding: 8px 0 8px 16px;

  border-top: 1px solid rgba(255, 255, 255, 0.045);

  color: #b8c5d1;

  font-size: 12px;
}


.service-card li::before {
  content: "";

  position: absolute;

  left: 0;
  top: 50%;

  width: 5px;
  height: 5px;

  border-radius: 50%;

  background: var(--blue);

  transform: translateY(-50%);
}


/* TECHNOLOGY */

.technology-grid {
  display: grid;

  grid-template-columns: 0.8fr 1.2fr;

  gap: 80px;

  align-items: center;
}


.technology-intro > p {
  max-width: 470px;

  margin-top: 20px;
}


.technology-box {
  padding: 12px 34px;

  background: rgba(11, 20, 31, 0.82);

  border: 1px solid var(--border);

  border-radius: var(--radius-lg);
}


.tech-row {
  display: grid;

  grid-template-columns: 150px 1fr;

  gap: 25px;

  align-items: start;

  padding: 27px 0;

  border-bottom: 1px solid var(--border);
}


.tech-row:last-child {
  border-bottom: none;
}


.tech-title {
  color: var(--text-soft);

  font-size: 12px;
  font-weight: 700;
}


.tech-items {
  display: flex;
  flex-wrap: wrap;

  gap: 8px;
}


.tech-items span {
  padding: 7px 11px;

  border: 1px solid #1c344b;

  border-radius: 6px;

  background: #0b1723;

  color: #b7c5d2;

  font-size: 11px;
}


/* APPROACH */

.approach {
  display: grid;

  grid-template-columns: 0.9fr 1.1fr;

  gap: 90px;

  margin-top: 16px;
}


.approach-list {
  border-top: 1px solid var(--border);
}


.approach-list article {
  display: grid;

  grid-template-columns: 50px 1fr;

  gap: 20px;

  padding: 27px 0;

  border-bottom: 1px solid var(--border);
}


.approach-list article > span {
  color: var(--blue);

  font-size: 11px;
  font-weight: 700;
}


.approach-list h3 {
  margin: 0 0 7px;

  font-size: 18px;
}


.approach-list p {
  margin: 0;

  color: var(--muted);

  font-size: 13px;

  line-height: 1.75;
}


/* ABOUT */

.about-grid {
  display: grid;

  grid-template-columns: 0.8fr 1.2fr;

  gap: 80px;

  align-items: center;
}


.about-logo-box {
  min-height: 360px;

  display: flex;
  align-items: center;
  justify-content: center;

  background:
    radial-gradient(
      circle,
      rgba(0, 149, 255, 0.10),
      transparent 55%
    ),
    #090f17;

  border: 1px solid var(--border);

  border-radius: var(--radius-lg);
}


.about-logo-box img {
  width: 220px;

  filter:
    drop-shadow(
      0 20px 45px rgba(0, 128, 255, 0.18)
    );
}


.about-copy p {
  max-width: 660px;

  color: var(--muted);

  font-size: 14px;

  line-height: 1.8;
}


/* CONTACT */

.contact {
  position: relative;

  overflow: hidden;

  padding: 110px 0;

  text-align: center;

  background:
    radial-gradient(
      circle at center,
      rgba(0, 143, 255, 0.08),
      transparent 55%
    );
}


.contact-inner {
  position: relative;

  z-index: 2;

  max-width: 860px;
}


.contact h2 {
  max-width: 820px;

  margin-left: auto;
  margin-right: auto;
}


.contact p {
  margin: 20px auto 0;

  color: var(--muted);

  font-size: 15px;
}


.contact-link {
  display: inline-block;

  margin-top: 32px;

  color: var(--blue-light);

  font-size: clamp(25px, 3vw, 38px);
  font-weight: 700;

  text-decoration: none;
}


.contact-link:hover {
  color: white;
}


/* FOOTER */

footer {
  padding: 32px 0;

  border-top: 1px solid var(--border);

  background: #04070b;
}


.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;
}


.footer-brand {
  display: flex;
  align-items: center;

  gap: 11px;
}


.footer-brand img {
  width: 39px;
  height: 39px;

  object-fit: contain;
}


.footer-brand div {
  display: flex;
  flex-direction: column;

  line-height: 1.2;
}


.footer-brand strong {
  font-size: 13px;
}


.footer-brand span {
  margin-top: 3px;

  color: var(--muted);

  font-size: 9px;
}


.footer-meta {
  display: flex;

  gap: 22px;

  color: var(--muted);

  font-size: 10px;
}


/* TABLET */

@media (max-width: 1000px) {

  .hero-grid {
    grid-template-columns: 1fr;

    gap: 50px;
  }


  .hero-copy {
    max-width: 760px;
  }


  .hero-brand-card {
    max-width: 560px;

    min-height: 420px;
  }


  .services {
    grid-template-columns: repeat(2, 1fr);
  }


  .technology-grid,
  .about-grid,
  .approach {
    grid-template-columns: 1fr;

    gap: 50px;
  }


  .section-head {
    grid-template-columns: 1fr;

    gap: 20px;
  }

}


/* MOBILE */

@media (max-width: 700px) {

  .shell {
    width: min(100% - 28px, var(--max));
  }


  .header-inner {
    min-height: 66px;
  }


  .brand img {
    width: 40px;
    height: 40px;
  }


  .brand-text span {
    display: none;
  }


  nav {
    gap: 10px;
  }


  nav a {
    display: none;
  }


  nav .nav-button {
    display: inline-flex;
  }


  .hero-grid {
    min-height: auto;

    padding-top: 65px;
    padding-bottom: 65px;
  }


  .hero h1 {
    font-size: clamp(43px, 13vw, 62px);
  }


  .hero-lead {
    font-size: 16px;
  }


  .hero-actions {
    flex-direction: column;
  }


  .btn {
    width: 100%;
  }


  .hero-brand-card {
    min-height: 390px;

    padding: 35px 22px;
  }


  .hero-logo {
    width: 145px;
    height: 145px;
  }


  .hero-brand-title {
    font-size: 44px;
  }


  .hero-brand-name {
    font-size: 11px;
  }


  .capability-grid {
    grid-template-columns: 1fr;
  }


  .capability-grid > div,
  .capability-grid > div:first-child {
    border-left: none;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }


  .section {
    padding: 70px 0;
  }


  .services {
    grid-template-columns: 1fr;
  }


  .service-card {
    min-height: auto;
  }


  .service-card > p {
    min-height: auto;
  }


  .technology-box {
    padding: 5px 20px;
  }


  .tech-row {
    grid-template-columns: 1fr;

    gap: 14px;
  }


  .about-logo-box {
    min-height: 280px;
  }


  .about-logo-box img {
    width: 180px;
  }


  .contact {
    padding: 85px 0;
  }


  .footer-inner {
    flex-direction: column;

    align-items: flex-start;
  }


  .footer-meta {
    flex-direction: column;

    gap: 4px;
  }

}
