:root {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(32, 211, 238, 0.35);
  color: #ffffff;
}

.nav-link {
  position: relative;
  transition: color 180ms ease;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: #20d3ee;
  content: "";
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -15;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  mask-image: linear-gradient(to bottom, black 0%, transparent 82%);
}

.hero-image {
  filter: saturate(1.04) contrast(1.03);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0.85rem 1.25rem;
  font-weight: 800;
  line-height: 1;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.btn-primary {
  background: #20d3ee;
  color: #0b1017;
  box-shadow: 0 0 38px rgba(32, 211, 238, 0.22);
}

.btn-primary:hover {
  background: #ffffff;
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  border-color: rgba(32, 211, 238, 0.55);
  background: rgba(32, 211, 238, 0.12);
  transform: translateY(-2px);
}

.metric {
  min-height: 92px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  padding: 1rem;
  backdrop-filter: blur(16px);
}

.metric strong,
.metric span {
  display: block;
}

.metric strong {
  font-size: clamp(1rem, 1.8vw, 1.45rem);
  font-weight: 900;
}

.metric span {
  margin-top: 0.35rem;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
}

.signal-panel {
  width: min(100%, 380px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(8, 13, 20, 0.72);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  padding: 1.25rem;
  backdrop-filter: blur(22px);
}

.signal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  padding: 0.95rem 1rem;
  color: rgba(255, 255, 255, 0.68);
}

.signal-row b {
  color: #ffffff;
  font-size: 0.9rem;
}

.section {
  padding: clamp(5rem, 8vw, 7.5rem) 0;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.section-heading.left {
  margin: 0;
  text-align: left;
}

.section-heading span {
  color: #20d3ee;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin-top: 1rem;
  color: #ffffff;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  font-weight: 950;
  line-height: 1.02;
}

.section-heading p {
  margin-top: 1.25rem;
  color: rgba(255, 255, 255, 0.66);
  font-size: 1.08rem;
  line-height: 1.8;
}

.section-heading.light h2 {
  color: #111827;
}

.section-heading.light p {
  color: rgba(17, 24, 39, 0.66);
}

.service-card {
  min-height: 260px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.04);
  padding: 1.5rem;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.service-card:hover {
  border-color: rgba(32, 211, 238, 0.42);
  background:
    linear-gradient(145deg, rgba(32, 211, 238, 0.13), rgba(255, 255, 255, 0.055)),
    rgba(255, 255, 255, 0.04);
  transform: translateY(-4px);
}

.service-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 8px;
  background: rgba(32, 211, 238, 0.14);
  color: #20d3ee;
  font-size: 0.82rem;
  font-weight: 950;
}

.service-card h3,
.platform-card h3,
.timeline-item h3 {
  margin-top: 1.2rem;
  font-size: 1.3rem;
  font-weight: 900;
}

.service-card p,
.platform-card p,
.timeline-item p {
  margin-top: 0.8rem;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.75;
}

.platform-card {
  min-height: 250px;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 8px;
  background: #f7fafc;
  padding: 1.5rem;
  box-shadow: 0 22px 60px rgba(17, 24, 39, 0.08);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.platform-card:hover {
  border-color: rgba(32, 211, 238, 0.52);
  box-shadow: 0 28px 80px rgba(17, 24, 39, 0.14);
  transform: translateY(-4px);
}

.platform-card h3 {
  color: #111827;
}

.platform-card p {
  color: rgba(17, 24, 39, 0.66);
}

.platform-kicker {
  color: #0d95a7;
  font-size: 0.74rem;
  font-weight: 950;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.platform-card.featured {
  display: grid;
  gap: 1.5rem;
  background:
    radial-gradient(circle at 78% 28%, rgba(32, 211, 238, 0.22), transparent 34%),
    #101827;
  color: #ffffff;
}

.platform-card.featured h3,
.platform-card.featured p {
  color: #ffffff;
}

.platform-card.featured p {
  color: rgba(255, 255, 255, 0.68);
}

.platform-preview {
  display: grid;
  gap: 0.8rem;
}

.platform-preview span {
  display: block;
  height: 52px;
  border-radius: 8px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.48));
}

.mobile-card {
  display: grid;
  gap: 1.5rem;
}

.store-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-content: start;
}

.store-tags span {
  border-radius: 999px;
  background: #111827;
  padding: 0.7rem 1rem;
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 800;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  padding: 1.3rem;
}

.timeline-item b {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 8px;
  background: #20d3ee;
  color: #0b1017;
  font-size: 0.86rem;
}

.timeline-item h3 {
  margin-top: 0;
}

.contact-band {
  background:
    radial-gradient(circle at 88% 25%, rgba(247, 185, 85, 0.18), transparent 28%),
    radial-gradient(circle at 12% 18%, rgba(32, 211, 238, 0.2), transparent 28%),
    #0b1017;
}

.contact-box {
  display: grid;
  gap: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.065);
  padding: clamp(1.5rem, 5vw, 3rem);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (min-width: 768px) {
  .platform-card.featured,
  .mobile-card,
  .contact-box {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: auto;
  }

  .hero-image {
    opacity: 0.55;
  }

  .metric {
    padding: 0.85rem;
  }

  .contact-actions .btn-primary,
  .contact-actions .btn-secondary {
    width: 100%;
  }
}