:root {
  --bg: #0a0c10;
  --bg-elev: #12161e;
  --ink: #f2f4f7;
  --muted: #9aa3b2;
  --line: rgba(255, 255, 255, 0.1);
  --cyan: #2de4d8;
  --magenta: #e84ec8;
  --accent: #2de4d8;
  --accent-2: #e84ec8;
  --radius: 14px;
  --max: 1120px;
  --max-wide: 1280px;
  --font: "Outfit", "Segoe UI", sans-serif;
  --display: "Syne", "Outfit", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(232, 78, 200, 0.12), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(45, 228, 216, 0.1), transparent 50%),
    var(--bg);
  line-height: 1.55;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: rgba(10, 12, 16, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 10px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

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

.nav-cta,
.header-cta {
  color: var(--bg) !important;
  background: linear-gradient(120deg, var(--cyan), #7af0ea 45%, var(--magenta));
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
}

.header-cta {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: min(100vh, 920px);
  display: grid;
  align-content: start;
  gap: 36px;
  padding: clamp(40px, 8vw, 88px) clamp(16px, 4vw, 40px) 28px;
}

.hero-glow {
  position: absolute;
  inset: -20% 10% auto -10%;
  height: 55%;
  background:
    radial-gradient(closest-side, rgba(45, 228, 216, 0.18), transparent),
    radial-gradient(closest-side at 70% 40%, rgba(232, 78, 200, 0.16), transparent);
  pointer-events: none;
  filter: blur(8px);
  animation: drift 12s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(4%, 3%, 0) scale(1.05); }
}

.hero-inner {
  position: relative;
  max-width: 760px;
  z-index: 1;
}

.hero-brand {
  margin: 0 0 14px;
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(105deg, #fff 10%, var(--cyan) 55%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: brand-in 0.9s ease both;
}

.hero h1 {
  margin: 0 0 16px;
  font-family: var(--display);
  font-size: clamp(1.55rem, 3.8vw, 2.45rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  animation: rise 0.8s 0.1s ease both;
}

.hero-lead {
  margin: 0 0 28px;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.08rem;
  animation: rise 0.8s 0.2s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  animation: rise 0.8s 0.28s ease both;
}

@keyframes brand-in {
  from { opacity: 0; transform: translateY(12px); filter: blur(4px); }
  to { opacity: 1; transform: none; filter: none; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, filter 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #071016;
  background: linear-gradient(120deg, var(--cyan), #8ff7f0 50%, #f0a0de);
}

.btn-ghost {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.btn-lg {
  min-height: 54px;
  padding: 0 24px;
  font-size: 1.05rem;
}

.hero-visual {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max-wide));
  margin: 0 auto;
  animation: rise 1s 0.25s ease both;
}

.hero-visual video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #000;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.hero-caption {
  margin: 12px 4px 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: clamp(56px, 10vw, 96px) 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 36px;
}

.section-head h2,
.contact-panel h2 {
  margin: 0 0 12px;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3.5vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-head p,
.contact-panel > p {
  margin: 0;
  color: var(--muted);
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.platform-card {
  padding: 26px 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(45, 228, 216, 0.06), rgba(255, 255, 255, 0.02));
}

.platform-os {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.platform-card h3 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.platform-card p {
  margin: 0;
  color: var(--muted);
}

.compat-block {
  padding: 26px 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(232, 78, 200, 0.07), rgba(255, 255, 255, 0.02));
}

.compat-block h3 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.compat-block > p {
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 48rem;
}

.compat-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.compat-tags li {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
}

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

.intro-grid article {
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}

.intro-grid h3 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.intro-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.feature-list li {
  padding: 18px 20px;
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, var(--cyan), var(--magenta)) 1;
  background: var(--bg-elev);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
}

.feature-list strong {
  display: block;
  color: var(--ink);
  margin-bottom: 4px;
  font-weight: 600;
}

.demos {
  width: min(100% - 32px, var(--max-wide));
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.demo-card {
  margin: 0;
}

.media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #000;
  aspect-ratio: 16 / 9;
}

.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.demo-card figcaption {
  padding: 16px 4px 0;
}

.demo-card h3 {
  margin: 0 0 4px;
  font-family: var(--display);
  font-size: 1.35rem;
}

.demo-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.gallery-grid figure {
  margin: 0;
}

.gallery-grid img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elev);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.gallery-grid figure:hover img {
  transform: translateY(-3px);
  border-color: rgba(45, 228, 216, 0.35);
}

.gallery-grid figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact {
  padding-bottom: 40px;
}

.contact-panel {
  padding: clamp(28px, 5vw, 48px);
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(45, 228, 216, 0.28);
  background:
    radial-gradient(700px 280px at 100% 0%, rgba(232, 78, 200, 0.16), transparent 55%),
    radial-gradient(600px 260px at 0% 100%, rgba(45, 228, 216, 0.14), transparent 50%),
    var(--bg-elev);
  text-align: center;
}

.contact-brand {
  margin: 0 0 10px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  background: linear-gradient(105deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact-panel h2 {
  max-width: 16ch;
  margin-left: auto;
  margin-right: auto;
}

.contact-panel > p {
  max-width: 40rem;
  margin: 0 auto 24px;
}

.contact-email {
  margin: 18px 0 0 !important;
  font-size: 0.95rem;
  color: var(--muted);
}

.contact-email a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-email a:hover {
  color: var(--ink);
}

.partner-note {
  margin: 20px 0 0 !important;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--muted);
}

.partner-note strong {
  color: var(--ink);
  font-weight: 600;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 720px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 4px 18px 4px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  padding: 14px 0;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--cyan);
  font-weight: 600;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0 0 16px;
  color: var(--muted);
  max-width: 40rem;
}

.site-footer {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 28px 0 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
}

.footer-brand img {
  border-radius: 7px;
}

.site-footer a:hover {
  color: var(--cyan);
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .header-cta {
    display: inline-flex;
  }

  .intro-grid,
  .feature-list,
  .platform-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .hero {
    min-height: auto;
    padding-top: 32px;
  }

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

  .btn {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-glow,
  .hero-brand,
  .hero h1,
  .hero-lead,
  .hero-actions,
  .hero-visual,
  .gallery-grid img {
    animation: none !important;
    transition: none !important;
  }
}