:root {
  --bg: #04050d;
  --bg-elevated: #0f1019;
  --bg-accent: #121528;
  --bg-gradient-start: #151b3d;
  --bg-gradient-end: #05060f;
  --primary: #7b5cff;
  --primary-soft: rgba(123, 92, 255, 0.2);
  --secondary: #00eaff;
  --text: #f5f7ff;
  --text-soft: rgba(245, 247, 255, 0.7);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0px 24px 80px rgba(7, 12, 32, 0.75);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, rgba(48, 63, 159, 0.4), transparent 55%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  margin: 0;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 1.2rem;
  color: var(--text-soft);
}

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

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(4, 5, 13, 0.6);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: block;
  object-fit: cover;
}

.navigation {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  font-size: 0.95rem;
}

.navigation a {
  color: var(--text-soft);
  transition: color 0.2s ease;
}

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

.cta-button,
.ghost-button {
  padding: 0.8rem 1.8rem;
  border-radius: 16px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.cta-button {
  background: linear-gradient(150deg, var(--primary), var(--secondary));
  color: #06090f;
  box-shadow: 0px 18px 40px rgba(123, 92, 255, 0.35);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0px 20px 44px rgba(123, 92, 255, 0.5);
}

.cta-button--small {
  padding: 0.65rem 1.4rem;
  font-size: 0.9rem;
}

.cta-button--wide {
  width: 100%;
}

.ghost-button {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.ghost-button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero {
  padding: 7rem 0 5rem;
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 3rem;
  align-items: center;
}

.tagline {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--secondary);
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 3vw + 2rem, 4rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.lead {
  font-size: 1.05rem;
  color: rgba(245, 247, 255, 0.78);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

:root{
  --orbital-size: 340px;
  --phone-width: 70%;
  --phone-lift: -35%;
  --top-visible: 58%;
  --hero-visual-shift-desktop: 200px;
  --hero-visual-shift-mobile: 150px;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
  margin-top: var(--hero-visual-shift-desktop);
}

.orbital-wrap{
  position: relative;
  width: var(--orbital-size);
  height: var(--orbital-size);
  display: grid;
  place-items: center;
}

.orbital {
  position: relative;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: linear-gradient(160deg, rgba(123, 92, 255, 0.12), rgba(0, 234, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  display: grid;
  place-items: center;
  box-shadow: 0 24px 60px rgba(5, 9, 20, 0.6);
}

.orbital__ring {
  position: absolute;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  animation: spin 18s linear infinite;
}

.orbital__mask {
  position: absolute;
  bottom: -20%;
  width: 100%;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.orbital__phone {
  width: 70%;
  max-width: 230px;
  transform: translateY(-35%);
  animation: float 8s ease-in-out infinite;
}

.orbital__phone--inside{
  transform: translateY(var(--phone-lift));
  z-index: 2;
}

.orbital__phone--top{
  position: absolute;
  bottom: -20%;
  transform: translate(-50%, var(--phone-lift));
  pointer-events: none;
  z-index: 4;
  clip-path: inset(0 0 calc(100% - var(--top-visible)) 0);
}

.visual-caption {
  max-width: 320px;
  text-align: center;
  font-size: 0.95rem;
}

.section {
  padding: 6rem 0;
}

.section--accent {
  background: var(--bg-elevated);
}

.section--gradient {
  background: linear-gradient(140deg, rgba(17, 21, 48, 0.95), rgba(5, 6, 15, 0.98));
}

.section-header {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(2rem, 2vw + 1.5rem, 2.8rem);
  line-height: 1.2;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  gap: 1.8rem;
}

.grid--two {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.text-card {
  padding: 2.2rem;
  border-radius: 24px;
  background: rgba(12, 15, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}

.concept-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.8rem;
  align-items: start;
}

.concept-highlights {
  display: grid;
  gap: 1.5rem;
}

.demo-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.8rem;
  align-items: center;
}

.demo-media {
  border-radius: 24px;
  overflow: hidden;
  background: rgba(7, 12, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.demo-video {
  display: block;
  width: 100%;
  height: auto;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.team-card {
  padding: 2rem 2rem 0;
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(123, 92, 255, 0.12), rgba(0, 234, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.5rem;
  height: 100%;
  overflow: hidden;
}

.team-photo {
  width: calc(100% + 2rem);
  margin-left: -1rem;
  margin-right: -1rem;
  margin-top: auto;
  display: block;
  object-fit: contain;
  object-position: bottom center;
}

.team-info {
  width: 100%;
  padding: 0 0 0.5rem;
}

.team-info h3 {
  margin-bottom: 0.3rem;
}

.team-role {
  margin-bottom: 1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--secondary);
}

.highlight-card {
  padding: 1.8rem;
  border-radius: 20px;
  background: linear-gradient(150deg, rgba(123, 92, 255, 0.16), rgba(0, 234, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0px 18px 48px rgba(10, 12, 24, 0.55);
}

.highlight-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
}

.use-case-card {
  padding: 2rem;
  border-radius: 24px;
  background: rgba(10, 12, 25, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.3s ease;
}

.use-case-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(123, 92, 255, 0.12), transparent 70%);
  z-index: -1;
}

.use-case-card:hover {
  transform: translateY(-8px);
}

.case-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 1.4rem;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(0, 234, 255, 0.08);
  border: 1px solid rgba(0, 234, 255, 0.12);
}

.use-case-card h3 {
  margin-bottom: 1rem;
}

.impact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.impact-callout {
  padding: 2rem;
  border-radius: 24px;
  background: rgba(7, 12, 32, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 3.5rem 0;
  background: rgba(4, 5, 13, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
  display: grid;
  gap: 1.6rem;
  text-align: center;
  justify-items: center;
}

.footer-copy {
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 1.6rem;
  font-size: 0.9rem;
}

.footer-links a {
  color: rgba(245, 247, 255, 0.6);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-meta {
  font-size: 0.8rem;
  color: rgba(245, 247, 255, 0.5);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 720px) {
  :root{
    --orbital-size: 280px;
  }

  .site-header {
    position: static;
    background: rgba(4, 5, 13, 0.95);
  }

  .navigation {
    display: none;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .cta-button--small {
    display: none;
  }

  .hero-actions {
    width: 100%;
  }

  .cta-button,
  .ghost-button {
    flex: 1;
  }

  .orbital {
    width: 280px;
    height: 280px;
  }

  .hero-visual{
    margin-top: var(--hero-visual-shift-mobile);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(4, 5, 13, 0.75);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 20;
}

.modal-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background: rgba(4, 5, 13, 0.95);
  border-radius: 28px;
  padding: 2.5rem;
  width: min(420px, 90vw);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: var(--text);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  cursor: pointer;
}

.modal-title {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.modal-description {
  margin-bottom: 1rem;
  color: var(--text-soft);
}

.modal-requirements {
  list-style: none;
  padding: 0;
  margin: 0 0 1.4rem;
  display: grid;
  gap: 0.35rem;
}

.modal-requirements li {
  font-size: 0.95rem;
  color: var(--text-soft);
}

.modal-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
}

body.modal-open header,
body.modal-open main,
body.modal-open footer {
  filter: blur(6px);
  pointer-events: none;
}

body.modal-open .modal-backdrop {
  pointer-events: auto;
}