:root {
  --bg: #080d19;
  --surface: #101a2b;
  --text: #f4f6fc;
  --muted: #9ba8bd;
  --blue: #4778ff;
  --line: rgba(255,255,255,.13);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.navbar {
  height: 85px;
  padding: 0 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: rgba(8,13,25,.9);
  backdrop-filter: blur(15px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -1.5px;
}

.logo span {
  color: var(--blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 35px;
}

.nav-links a {
  color: var(--muted);
  font-size: 12px;
  transition: color .3s;
}

.nav-links a:hover {
  color: white;
}

.nav-links .nav-button {
  color: white;
  border: 1px solid var(--line);
  padding: 13px 20px;
  border-radius: 30px;
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  margin: 6px;
}

.hero {
  min-height: 760px;
  padding: 130px 8% 35px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-content {
  position: relative;
  z-index: 3;
}

.eyebrow,
.section-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: #7f9cff;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(58px, 8vw, 112px);
  line-height: 1.04;
  letter-spacing: -6px;
  margin: 30px 0;
  font-weight: 700;
}

.hero h1 span,
.about h2 span,
.section-heading h2 span,
.approach h2 span,
.contact h2 span {
  color: var(--blue);
}

.hero-content > p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  max-width: 440px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 38px;
}

.primary-button {
  display: inline-block;
  padding: 17px 25px;
  border-radius: 35px;
  background: var(--blue);
  color: white;
  font-size: 12px;
  font-weight: 600;
  transition: .3s;
}

.primary-button:hover {
  background: #6890ff;
  transform: translateY(-4px);
  box-shadow: 0 10px 35px rgba(71,120,255,.25);
}

.secondary-button {
  font-size: 12px;
  color: var(--muted);
}

.hero-orb {
  width: 430px;
  height: 430px;
  position: absolute;
  right: 7%;
  top: 150px;
  display: grid;
  place-items: center;
  animation: float 7s ease-in-out infinite;
}

.orb-core {
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #a5c0ff, #4778ff 40%, #101c52 80%);
  box-shadow: 0 0 90px rgba(71,120,255,.35),
              inset -20px -25px 50px rgba(0,0,0,.4);
}

.orb-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(101,145,255,.35);
  border-radius: 50%;
}

.ring-one {
  transform: rotateX(65deg) rotateZ(-25deg);
}

.ring-two {
  transform: rotateY(65deg) rotateZ(35deg);
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  right: 5%;
  top: 120px;
  background: rgba(45,91,230,.12);
  filter: blur(100px);
}

.hero-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--muted);
  position: relative;
  z-index: 3;
}

.section {
  padding: 130px 8%;
}

.about {
  background: var(--surface);
}

.about-content {
  display: grid;
  grid-template-columns: 1.5fr .7fr;
  gap: 80px;
  align-items: end;
  margin-top: 55px;
}

.about h2,
.section-heading h2,
.approach h2,
.contact h2 {
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.2;
  letter-spacing: -3px;
}

.about-content p,
.section-heading p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 35px;
  margin: 45px 0 70px;
}

.section-heading p {
  max-width: 260px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.solution-card {
  min-height: 340px;
  padding: 30px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, #111d32, #0b1220);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform .35s, border-color .35s;
}

.solution-card:hover {
  transform: translateY(-8px);
  border-color: var(--blue);
}

.solution-card > span {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 1.5px;
}

.card-icon {
  font-size: 40px;
  color: var(--blue);
  margin: 35px 0 20px;
}

.solution-card h3 {
  font-size: 21px;
  margin-bottom: 12px;
}

.solution-card p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}

.solution-card a {
  margin-top: auto;
  padding-top: 25px;
  font-size: 11px;
  color: #83a2ff;
}

.approach {
  background: var(--surface);
}

.approach h2 {
  margin: 40px 0 70px;
}

.approach-list > div {
  display: grid;
  grid-template-columns: 70px 1fr 30px;
  align-items: center;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  gap: 15px;
}

.approach-list > div:last-child {
  border-bottom: 1px solid var(--line);
}

.approach-list span {
  font-size: 11px;
  color: var(--muted);
}

.approach-list h3 {
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 500;
}

.contact {
  text-align: center;
}

.contact h2 {
  margin: 45px 0 25px;
  font-size: clamp(55px, 8vw, 100px);
}

.contact p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 35px;
}

footer {
  padding: 35px 8%;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer p,
footer > a:last-child {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 1px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@media (max-width: 850px) {
  .hero-orb {
    opacity: .35;
    right: -130px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .solution-card {
    min-height: 280px;
  }
}

@media (max-width: 650px) {
  .navbar {
    height: 72px;
    padding: 0 6%;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    padding: 25px 6%;
    background: #080d19;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links.active {
    display: flex;
  }

  .hero {
    min-height: 700px;
    padding: 110px 6% 30px;
  }

  .hero h1 {
    font-size: clamp(48px, 12vw, 75px);
    letter-spacing: -3px;
  }

  .hero-orb {
    width: 300px;
    height: 300px;
    top: 300px;
    right: -120px;
  }

  .orb-core {
    width: 140px;
    height: 140px;
  }

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

  .hero-bottom {
    font-size: 7px;
  }

  .section {
    padding: 90px 6%;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .about h2,
  .section-heading h2,
  .approach h2 {
    letter-spacing: -2px;
  }

  .approach-list > div {
    grid-template-columns: 35px 1fr 20px;
  }

  footer {
    flex-direction: column;
    gap: 22px;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity .8s ease, transform .8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}