:root {
  --bg: #07111f;
  --bg-2: #0b1528;
  --bg-3: #0f1d36;
  --surface: rgba(11, 21, 40, 0.72);
  --surface-strong: rgba(10, 18, 33, 0.92);
  --surface-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(170, 196, 255, 0.14);
  --line-strong: rgba(170, 196, 255, 0.24);
  --text: #f5f8ff;
  --muted: #95a8ca;
  --accent: #4f8cff;
  --accent-2: #8c61ff;
  --accent-soft: rgba(79, 140, 255, 0.16);
  --success: #4be0a1;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: radial-gradient(circle at top, #0c1830 0%, #06101d 55%, #040912 100%);
  font-family: "Manrope", sans-serif;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 9, 18, 0.08), rgba(4, 9, 18, 0.42));
  pointer-events: none;
  z-index: -1;
}

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

.bg-scene {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -2;
  pointer-events: none;
}

.bg-orb,
.bg-grid,
.bg-glow {
  position: absolute;
  inset: auto;
}

.bg-orb {
  border-radius: 999px;
  filter: blur(34px);
  opacity: 0.8;
}

.orb-a {
  top: -6vh;
  left: -8vw;
  width: 34vw;
  height: 34vw;
  min-width: 280px;
  min-height: 280px;
  background: radial-gradient(circle, rgba(88, 144, 255, 0.34) 0%, rgba(88, 144, 255, 0) 70%);
}

.orb-b {
  right: -10vw;
  top: 18vh;
  width: 42vw;
  height: 42vw;
  min-width: 320px;
  min-height: 320px;
  background: radial-gradient(circle, rgba(140, 97, 255, 0.24) 0%, rgba(140, 97, 255, 0) 72%);
}

.orb-c {
  left: 26vw;
  bottom: -18vh;
  width: 36vw;
  height: 36vw;
  min-width: 300px;
  min-height: 300px;
  background: radial-gradient(circle, rgba(45, 224, 180, 0.16) 0%, rgba(45, 224, 180, 0) 72%);
}

.bg-grid {
  inset: 0;
  background-image:
    linear-gradient(rgba(157, 183, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 183, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black 28%, transparent 88%);
}

.bg-glow {
  inset: 0;
  background:
    radial-gradient(circle at 20% 18%, rgba(79, 140, 255, 0.22), transparent 22%),
    radial-gradient(circle at 75% 32%, rgba(140, 97, 255, 0.16), transparent 18%),
    radial-gradient(circle at 48% 80%, rgba(75, 224, 161, 0.12), transparent 20%);
}

.page-shell {
  position: relative;
}

.site-header,
main,
.site-footer {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 6px -20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  background: rgba(7, 14, 27, 0.36);
  z-index: -1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 14px 30px rgba(79, 140, 255, 0.28);
}

.brand-text {
  font-size: 1.08rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: var(--muted);
  font-size: 0.96rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease,
    border-color 220ms ease;
}

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

.button-primary,
.button-nav,
.button-footer {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 18px 36px rgba(79, 140, 255, 0.28);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

main {
  position: relative;
  scroll-snap-type: y mandatory;
}

.slide-indicators {
  position: fixed;
  right: clamp(16px, 4vw, 44px);
  top: 50%;
  z-index: 20;
  display: grid;
  gap: 12px;
  transform: translateY(-50%);
}

.slide-dot {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  color: var(--muted);
}

.slide-dot::after {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 0 rgba(79, 140, 255, 0.36);
  transition: all 220ms ease;
}

.slide-dot span {
  opacity: 0;
  transform: translateX(8px);
  transition: all 220ms ease;
  font-size: 0.85rem;
}

.slide-dot:hover span,
.slide-dot.is-current span {
  opacity: 1;
  transform: translateX(0);
}

.slide-dot.is-current {
  color: var(--text);
}

.slide-dot.is-current::after {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 0 0 7px rgba(79, 140, 255, 0.12);
}

.slide-section {
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 110px 0 48px;
}

.hero {
  position: relative;
  display: block;
  max-width: 1080px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 12% -12% 4% -6%;
  background:
    radial-gradient(circle at 26% 50%, rgba(79, 140, 255, 0.16) 0%, transparent 22%),
    radial-gradient(circle at 74% 30%, rgba(140, 97, 255, 0.15) 0%, transparent 28%),
    radial-gradient(circle at 54% 84%, rgba(75, 224, 161, 0.14) 0%, transparent 22%);
  filter: blur(26px);
  z-index: -1;
}

.hero-copy {
  position: relative;
  max-width: 880px;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 14px;
  color: #7ca6ff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2,
.cta-panel h2 {
  margin: 0;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 14ch;
  font-size: clamp(3.3rem, 6vw, 6rem);
}

.hero-text,
.section-head p,
.plans-note,
.site-footer p,
.faq-list p,
.service-card p,
.step-card p,
.device-card p,
.plan-card p {
  color: var(--muted);
  line-height: 1.72;
}

.hero-text {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 1.05rem;
}

.hero-services {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.hero-service-pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(157, 183, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: #dfe8ff;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
  padding: 18px 18px;
  max-width: 680px;
  border: 1px solid rgba(79, 140, 255, 0.22);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.12), rgba(255, 255, 255, 0.04));
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
}

.hero-note p {
  margin: 0;
  color: #d9e4ff;
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  color: #b9c9eb;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  opacity: 0.92;
}

.scroll-cue:hover {
  color: #eef4ff;
}

.scroll-cue-text {
  position: relative;
}

.scroll-cue-arrow {
  position: relative;
  display: inline-flex;
  width: 22px;
  height: 36px;
  border: 1px solid rgba(157, 183, 255, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-cue-arrow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-right: 2px solid #dce7ff;
  border-bottom: 2px solid #dce7ff;
  transform: rotate(45deg);
  animation: scrollCue 1.8s ease-in-out infinite;
}

@keyframes scrollCue {
  0%,
  100% {
    transform: translateY(0) rotate(45deg);
    opacity: 0.65;
  }
  50% {
    transform: translateY(8px) rotate(45deg);
    opacity: 1;
  }
}

.mono {
  padding: 7px 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.24), rgba(140, 97, 255, 0.18));
  color: #eff4ff;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.service-card,
.step-card,
.device-card,
.plan-card,
.faq-list details,
.cta-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.plan-name,
.service-tag {
  color: var(--muted);
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head h2,
.cta-panel h2 {
  font-size: clamp(2.3rem, 4.8vw, 4.2rem);
}

.services-grid,
.steps-grid,
.device-grid,
.plans-grid,
.faq-list {
  display: grid;
  gap: 18px;
}

.services-grid,
.device-grid,
.plans-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.step-card,
.device-card,
.plan-card,
.faq-list details {
  padding: 24px;
}

.service-card h3,
.step-card h3,
.device-card h3,
.plan-card h3 {
  margin: 14px 0 10px;
  font-size: 1.34rem;
}

.service-tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  font-weight: 700;
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.22), rgba(140, 97, 255, 0.18));
  color: #dce7ff;
  font-weight: 800;
}

.device-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.button-small {
  min-height: 42px;
  padding: 0 16px;
  font-size: 0.92rem;
}

.plan-card.featured {
  position: relative;
  border-color: rgba(79, 140, 255, 0.34);
  transform: translateY(-8px);
}

.plan-chip {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(79, 140, 255, 0.16);
  color: #dce7ff;
  font-size: 0.82rem;
  font-weight: 700;
}

.plan-card h3 {
  font-size: 2.2rem;
}

.plans-note {
  margin: 18px 0 0;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(79, 140, 255, 0.14), rgba(140, 97, 255, 0.1)),
    var(--surface-strong);
}

.faq-list details {
  background: rgba(255, 255, 255, 0.035);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 12px 0 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 42px;
  color: var(--muted);
}

.brand-footer {
  margin-bottom: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(56px) scale(0.985);
  transition:
    opacity 700ms ease,
    transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

@media (max-width: 1080px) {
  .hero,
  .services-grid,
  .steps-grid,
  .device-grid,
  .plans-grid,
  .site-footer,
  .cta-panel {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    max-width: none;
  }

  .slide-indicators {
    display: none;
  }
}

@media (max-width: 900px) {
  main {
    scroll-snap-type: none;
  }

  .site-header {
    position: static;
    padding-top: 22px;
    flex-wrap: wrap;
  }

  .site-header::before {
    inset: 0;
    border-radius: 26px;
  }

  .site-nav {
    width: 100%;
    justify-content: center;
  }

  .slide-section {
    min-height: auto;
    padding: 60px 0 18px;
  }

  .hero h1 {
    max-width: 100%;
  }

  .section-head h2,
  .cta-panel h2 {
    font-size: clamp(2rem, 9vw, 3.1rem);
  }
}

@media (max-width: 640px) {
  .site-header,
  main,
  .site-footer {
    width: min(calc(100% - 24px), var(--container));
  }

  .button,
  .button-nav,
  .button-primary,
  .button-secondary {
    width: 100%;
  }

  .hero-actions,
  .hero-services,
  .hero-note,
  .device-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .scroll-cue {
    width: 100%;
    justify-content: center;
  }

  .service-card,
  .step-card,
  .device-card,
  .plan-card,
  .faq-list details,
  .cta-panel {
    padding: 20px;
  }
}
