* {
  box-sizing: border-box;
}

:root {
  --bg: #04050b;
  --bg-2: #0d1020;
  --panel: rgba(12, 14, 24, 0.82);
  --panel-strong: rgba(16, 18, 32, 0.94);
  --line: rgba(255, 255, 255, 0.08);
  --line-bright: rgba(129, 230, 255, 0.22);
  --text: #f5f7ff;
  --muted: #a7b0cb;
  --cyan: #7ae5ff;
  --gold: #f6d58c;
  --purple: #7d6bff;
  --pink: #ff6ea8;
  --green: #85f2c5;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.46);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(122, 229, 255, 0.11), transparent 22%),
    radial-gradient(circle at 90% 12%, rgba(246, 213, 140, 0.1), transparent 18%),
    radial-gradient(circle at 80% 80%, rgba(125, 107, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #04050b 0%, #090c16 38%, #05060d 100%);
  overflow-x: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 92%);
}

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(100px);
  pointer-events: none;
  opacity: 0.24;
}

.orb-left {
  top: -120px;
  left: -120px;
  width: 360px;
  height: 360px;
  background: rgba(122, 229, 255, 0.35);
}

.orb-right {
  top: 120px;
  right: -120px;
  width: 300px;
  height: 300px;
  background: rgba(246, 213, 140, 0.28);
}

.orb-bottom {
  bottom: -180px;
  left: 28%;
  width: 420px;
  height: 420px;
  background: rgba(125, 107, 255, 0.24);
}

.container {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(6, 8, 15, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-shell {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text);
}

.brand strong,
.hero h1,
.section-head h2,
.signal-grid h2,
.commerce-block h2,
.contact-intro h2 {
  font-family: "Syne", sans-serif;
}

.brand strong {
  display: block;
  font-size: 1.05rem;
}

.brand span:last-child {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.brand-sigil {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--cyan));
  box-shadow:
    0 0 0 10px rgba(255, 255, 255, 0.03),
    0 0 32px rgba(122, 229, 255, 0.42);
}

.site-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav a,
.footer-shell a {
  color: var(--text);
  text-decoration: none;
}

.site-nav a {
  padding: 12px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  transition: background 0.22s ease, color 0.22s ease;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.06);
}

.menu-toggle {
  display: none;
  width: 72px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  font-weight: 700;
}

.hero {
  padding: 78px 0 52px;
}

.hero-shell {
  display: grid;
  grid-template-columns: 0.93fr 1.07fr;
  gap: 34px;
  align-items: center;
}

.kicker,
.tiny-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.kicker {
  color: var(--gold);
}

.tiny-label {
  color: var(--cyan);
}

.hero h1,
.section-head h2,
.signal-grid h2,
.commerce-block h2,
.contact-intro h2 {
  margin: 0;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2.2rem, 4.15vw, 3.95rem);
  line-height: 1.01;
}

.hero-text,
.hero-ribbon p,
.command-card p,
.signal-grid p,
.section-head p,
.system-card p,
.commerce-block p,
.contact-intro p,
.footer-shell p,
.contact-status {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 18px;
  padding: 15px 22px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--gold), #fff0bf);
  color: #15110a;
  box-shadow: 0 16px 42px rgba(246, 213, 140, 0.22);
}

.btn-secondary {
  background: linear-gradient(135deg, rgba(122, 229, 255, 0.14), rgba(125, 107, 255, 0.12));
  border-color: rgba(122, 229, 255, 0.18);
  color: var(--text);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.hero-ribbon,
.command-card,
.system-card,
.commerce-block,
.contact-panel,
.signal-grid article {
  background: linear-gradient(180deg, rgba(17, 19, 33, 0.84), rgba(10, 12, 22, 0.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-ribbon {
  margin-top: 28px;
  padding: 22px 22px 20px;
  border-radius: 26px;
  max-width: 520px;
}

.hero-ribbon span,
.price-row span {
  display: block;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-ribbon strong,
.price-row strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
}

.hero-ribbon p {
  margin: 10px 0 0;
}

.hero-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
  perspective: 1400px;
}

.hero-visual-upgraded {
  position: relative;
}

.command-card {
  padding: 20px;
  border-radius: 24px;
  min-height: 100%;
}

.command-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.top-card {
  border-color: rgba(122, 229, 255, 0.2);
}

.side-card {
  border-color: rgba(246, 213, 140, 0.18);
}

.screen-frame {
  grid-column: 1 / -1;
  position: relative;
  padding: 18px;
  border-radius: 38px;
  background:
    linear-gradient(180deg, rgba(18, 21, 38, 0.98), rgba(9, 11, 22, 0.96));
  border: 1px solid rgba(129, 230, 255, 0.2);
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.5),
    inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.animated-screen {
  transform-origin: center center;
  animation: screenFloat 6s ease-in-out infinite;
}

.screen-bar {
  display: flex;
  gap: 8px;
  padding: 6px 2px 14px;
}

.premium-bar {
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 4px 16px;
}

.bar-dots {
  display: flex;
  gap: 8px;
}

.screen-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.26);
}

.bar-label {
  flex: 1;
  color: #dce6ff;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.bar-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(122, 229, 255, 0.14), rgba(133, 242, 197, 0.12));
  border: 1px solid rgba(122, 229, 255, 0.16);
  color: #e9f8ff;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.screen-glow {
  position: absolute;
  inset: auto 10% -18% 10%;
  height: 140px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(122, 229, 255, 0.2) 0%, rgba(122, 229, 255, 0.04) 48%, transparent 75%);
  filter: blur(24px);
  pointer-events: none;
}

.screen-backlight {
  position: absolute;
  inset: 10% 12% auto 12%;
  height: 180px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(122, 229, 255, 0.2) 0%, rgba(125, 107, 255, 0.12) 42%, transparent 76%);
  filter: blur(42px);
  pointer-events: none;
}

.screen-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.2) 0 2px, transparent 3px),
    radial-gradient(circle at 82% 12%, rgba(122, 229, 255, 0.24) 0 2px, transparent 3px),
    radial-gradient(circle at 90% 72%, rgba(246, 213, 140, 0.18) 0 2px, transparent 3px);
  opacity: 0.55;
}

.screen-sheen {
  position: absolute;
  inset: -18% auto auto -22%;
  width: 48%;
  height: 150%;
  transform: rotate(18deg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.02), transparent 60%);
  pointer-events: none;
  opacity: 0.34;
}

.screen-frame img {
  width: 100%;
  display: block;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-app-image {
  position: relative;
  z-index: 2;
  transform: scale(1.045);
  transform-origin: center center;
  transition: transform 0.45s ease, filter 0.45s ease;
  filter: saturate(1.05) contrast(1.04);
}

.animated-screen:hover .hero-app-image {
  transform: scale(1.07);
  filter: saturate(1.1) contrast(1.08);
}

.animated-screen:hover {
  animation-play-state: paused;
}

@keyframes screenFloat {
  0% {
    transform: translateY(0) rotateX(0deg) rotateY(0deg);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.46);
  }
  50% {
    transform: translateY(-12px) rotateX(1.8deg) rotateY(-3deg);
    box-shadow: 0 44px 108px rgba(0, 0, 0, 0.56);
  }
  100% {
    transform: translateY(0) rotateX(0deg) rotateY(0deg);
    box-shadow: 0 34px 90px rgba(0, 0, 0, 0.5);
  }
}

.signal-band {
  padding: 18px 0 0;
}

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

.signal-grid article {
  padding: 26px;
  border-radius: 26px;
}

.signal-index {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--pink);
  font-weight: 800;
  letter-spacing: 0.14em;
}

.section {
  padding: 96px 0;
}

.section-head {
  max-width: 800px;
  margin-bottom: 34px;
}

.systems-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 500px);
  gap: 28px;
  align-items: center;
  margin-bottom: 34px;
}

.section-head h2,
.commerce-block h2,
.contact-intro h2 {
  font-size: clamp(2.2rem, 4.2vw, 4.1rem);
  max-width: 12ch;
}

.systems-intro .section-head {
  margin-bottom: 0;
}

.video-showcase {
  padding: 22px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(17, 19, 33, 0.84), rgba(10, 12, 22, 0.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.video-showcase-head {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.video-showcase-head strong {
  font-size: 1.1rem;
}

.video-frame-pro {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  min-height: 320px;
  background:
    linear-gradient(180deg, rgba(6, 10, 18, 0.48), rgba(6, 10, 18, 0.78)),
    url("assets/app-main.png") center/cover no-repeat;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.video-frame-pro iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  z-index: 2;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.system-card {
  min-height: 220px;
  padding: 24px;
  border-radius: 26px;
}

.system-card h3 {
  margin: 0 0 12px;
  font-size: 1.18rem;
}

.system-card.featured {
  background:
    linear-gradient(135deg, rgba(122, 229, 255, 0.16), rgba(246, 213, 140, 0.08)),
    linear-gradient(180deg, rgba(17, 19, 33, 0.88), rgba(10, 12, 22, 0.94));
  border-color: rgba(122, 229, 255, 0.22);
}

.system-tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.commerce-section {
  position: relative;
}

.commerce-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.commerce-block {
  padding: 30px;
  border-radius: 28px;
}

.price-row {
  margin: 24px 0 18px;
}

.contact-shell {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 24px;
  align-items: center;
}

.contact-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  max-width: 560px;
}

.contact-badges span {
  padding: 11px 15px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #dbe4ff;
  font-size: 0.88rem;
}

.contact-panel {
  padding: 28px;
  border-radius: 28px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  color: #e9efff;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  padding: 15px 16px;
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(122, 229, 255, 0.32);
  box-shadow: 0 0 0 4px rgba(122, 229, 255, 0.08);
}

.contact-form textarea {
  resize: vertical;
  min-height: 180px;
}

.contact-submit {
  width: 100%;
  margin-top: 6px;
}

.contact-status {
  display: none;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.contact-status.visible {
  display: block;
}

.contact-status.success {
  border-color: rgba(133, 242, 197, 0.26);
  color: #cbffe9;
}

.contact-status.error {
  border-color: rgba(255, 110, 168, 0.26);
  color: #ffd4e4;
}

.site-footer {
  padding: 32px 0 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(5, 7, 13, 0.7);
}

.footer-shell {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 20px;
  align-items: start;
}

.footer-shell strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.06rem;
}

.footer-shell a {
  display: block;
  margin-bottom: 10px;
  color: #dce5ff;
}

@media (max-width: 1120px) {
  .hero-shell,
  .systems-intro,
  .contact-shell,
  .footer-shell,
  .commerce-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid,
  .systems-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero h1,
  .section-head h2,
  .commerce-block h2,
  .contact-intro h2 {
    max-width: none;
  }

  .hero-shell {
    gap: 26px;
  }

  .hero-visual,
  .signal-grid,
  .systems-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    padding: 14px;
    border-radius: 20px;
    background: rgba(8, 10, 18, 0.96);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1 {
    font-size: 1.95rem;
    line-height: 1.02;
  }

  .signal-grid,
  .systems-grid,
  .hero-visual {
    grid-template-columns: 1fr;
  }

  .hero-text,
  .contact-intro p {
    font-size: 0.98rem;
  }

  .video-frame-pro {
    min-height: 240px;
  }

  .screen-frame {
    order: 3;
    padding: 16px;
  }

  .hero-app-image {
    transform: scale(1.02);
  }

  .premium-bar {
    flex-wrap: wrap;
  }

  .bar-label {
    width: 100%;
  }

  .top-card,
  .side-card {
    min-height: auto;
  }

  .section {
    padding: 74px 0;
  }

  .contact-panel {
    padding: 22px;
  }

  .contact-form input,
  .contact-form textarea,
  .btn {
    font-size: 0.96rem;
  }
}