:root {
  color-scheme: dark;
  --bg: #090c0f;
  --panel: #10151a;
  --panel-2: #141a20;
  --line: #29323a;
  --line-soft: #1b232a;
  --text: #f3f6f4;
  --muted: #8b969c;
  --faint: #5f6a70;
  --blue: #78adf7;
  --green: #75f96b;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 72% 8%, rgba(83, 132, 200, 0.09), transparent 30rem),
    var(--bg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
::selection { color: #071008; background: var(--green); }

main { overflow: clip; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: min(1240px, calc(100% - 40px));
  height: 76px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(82, 96, 107, 0.48);
  background: rgba(9, 12, 15, 0.78);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 11px; width: fit-content; }
.brand-mark { width: 38px; height: 38px; }
.brand span { display: grid; gap: 1px; line-height: 1; }
.brand strong { font-size: 13px; letter-spacing: -0.01em; }
.brand small {
  color: var(--muted);
  font: 700 8px/1.2 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.site-header nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a {
  color: #a4adb1;
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: color 150ms ease;
}
.site-header nav a:hover { color: #fff; }
.header-download {
  justify-self: end;
  border: 1px solid #3b4650;
  border-radius: 6px;
  padding: 10px 14px;
  color: #dce3e5;
  font: 750 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.header-download:hover { border-color: var(--blue); color: #fff; }

.hero {
  position: relative;
  width: min(1240px, calc(100% - 40px));
  min-height: 730px;
  margin: 0 auto;
  padding: 112px 0 92px;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  gap: 72px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.signal-rail {
  position: absolute;
  top: 34px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--faint);
  font: 700 8px/1 var(--mono);
  letter-spacing: 0.12em;
}
.signal-rail i { height: 1px; flex: 1; background: var(--line-soft); }
.signal-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(117, 249, 107, 0.55);
}
.kicker {
  margin: 0 0 18px;
  color: var(--blue);
  font: 750 10px/1.2 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(48px, 5.4vw, 78px);
  font-weight: 680;
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.hero-description {
  max-width: 600px;
  margin: 28px 0 0;
  color: #a5afb3;
  font-size: 17px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 10px; margin-top: 34px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border-radius: 7px;
  padding: 0 18px;
  font-size: 13px;
  font-weight: 780;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: #071209; background: var(--green); }
.button-primary:hover { background: #91ff88; }
.button-secondary { border: 1px solid #343f48; color: #b9c1c4; background: #11161b; }
.button-secondary:hover { border-color: #5c6871; color: #fff; }
.quick-specs {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: start;
  gap: 32px;
  margin: 42px 0 0;
}
.quick-specs div { display: grid; gap: 6px; }
.quick-specs dt {
  color: var(--faint);
  font: 700 8px/1 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.quick-specs dd { margin: 0; color: #c7ced0; font-size: 12px; font-weight: 650; }

.product-carousel { position: relative; min-width: 0; }
.product-carousel::before {
  content: "";
  position: absolute;
  inset: 10% -12% 18% 15%;
  z-index: -1;
  background: radial-gradient(circle, rgba(75, 120, 179, 0.15), transparent 65%);
  filter: blur(28px);
}
.carousel-window {
  overflow: hidden;
  border: 1px solid #3a4650;
  border-radius: 12px;
  background: #090d10;
  box-shadow: 0 30px 90px rgba(0,0,0,0.42);
}
.carousel-chrome {
  height: 36px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 12px;
  border-bottom: 1px solid #283139;
  color: #aeb8bc;
  background: #11171b;
  font: 750 8px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.carousel-chrome > span:nth-child(2) { justify-self: center; }
.carousel-chrome small { justify-self: end; color: #5e6a70; font: inherit; }
.window-controls { display: inline-flex; gap: 5px; }
.window-controls i { width: 7px; height: 7px; border-radius: 50%; background: #354047; }
.carousel-stage {
  position: relative;
  aspect-ratio: 1.456 / 1;
  overflow: hidden;
  background: #080b0e;
}
.carousel-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transform: scale(1.012);
  transition: opacity 320ms ease, transform 520ms cubic-bezier(.2,.7,.2,1);
}
.carousel-slide.is-active { opacity: 1; transform: scale(1); }
.carousel-slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.carousel-details {
  min-height: 120px;
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 20px 0 18px;
  border-bottom: 1px solid var(--line);
}
.carousel-count {
  padding-top: 3px;
  color: var(--green);
  font: 750 9px/1 var(--mono);
  letter-spacing: 0.08em;
}
.carousel-copy { display: grid; gap: 7px; }
.carousel-copy p {
  margin: 0;
  color: #6e7a80;
  font: 750 8px/1 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.carousel-copy strong { font-size: 15px; line-height: 1.25; }
.carousel-copy small { max-width: 500px; color: #7e898e; font-size: 11px; line-height: 1.5; }
.carousel-arrows { display: flex; gap: 7px; }
.carousel-arrows button {
  width: 38px;
  height: 38px;
  border: 1px solid #35414a;
  border-radius: 6px;
  color: #b9c2c5;
  background: #11171b;
  cursor: pointer;
}
.carousel-arrows button:hover { border-color: var(--blue); color: #fff; }
.carousel-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; padding-top: 12px; }
.carousel-tabs button {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-top: 1px solid #263038;
  padding: 11px 2px 0;
  color: #667177;
  background: transparent;
  font: 750 7px/1.25 var(--mono);
  letter-spacing: 0.05em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
}
.carousel-tabs button span { color: #465158; }
.carousel-tabs button.is-active { border-color: var(--green); color: #dbe0e2; }
.carousel-tabs button.is-active span { color: var(--green); }

.tools-section,
.requirements-section,
.download-section,
.feedback-section,
footer { width: min(1240px, calc(100% - 40px)); margin-inline: auto; }
.tools-section { padding: 112px 0 118px; }
.section-heading { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 44px; align-items: end; }
.section-heading .kicker { align-self: start; padding-top: 10px; }
.section-heading-compact { display: block; }
.section-heading-compact h2 {
  color: var(--blue);
  font: 750 clamp(20px, 2vw, 28px)/1.1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.section-heading h2,
.requirements-copy h2,
.download-copy h2,
.feedback-section h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}
.section-heading h2 { max-width: 760px; }
.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 42px; }
.tool-card {
  min-height: 390px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 46px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  background: rgba(16, 21, 26, 0.86);
}
.tool-card-green { box-shadow: inset 0 2px 0 rgba(117, 249, 107, 0.72); }
.tool-card-blue { box-shadow: inset 0 2px 0 rgba(120, 173, 247, 0.78); }
.tool-index { color: #59656b; font: 700 10px/1 var(--mono); letter-spacing: 0.12em; }
.tool-label { margin: 0 0 12px; color: #d6dcde; font: 750 10px/1 var(--mono); letter-spacing: 0.13em; text-transform: uppercase; }
.tool-card h3 { max-width: 430px; margin: 0; font-size: 27px; line-height: 1.12; letter-spacing: -0.035em; }
.tool-card p:not(.tool-label) { max-width: 520px; margin: 18px 0 0; color: #919ca1; font-size: 14px; line-height: 1.75; }
.tool-card ul { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.tool-card li { border: 1px solid #303a42; border-radius: 999px; padding: 8px 10px; color: #879298; font: 700 8px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }

.requirements-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  padding: 94px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.requirements-copy p:last-child { max-width: 520px; margin: 22px 0 0; color: #929da2; font-size: 15px; line-height: 1.7; }
.install-steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.install-steps li { min-height: 92px; display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: center; border-bottom: 1px solid var(--line); }
.install-steps li > span { color: var(--blue); font: 700 10px/1 var(--mono); }
.install-steps div { display: grid; gap: 7px; }
.install-steps strong { font-size: 15px; }
.install-steps small { color: var(--muted); font-size: 12px; }

.download-section {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  gap: 28px;
  align-items: center;
  margin-top: 92px;
  padding: 32px;
  border: 1px solid #35414a;
  border-radius: 18px;
  background: #10161b;
  box-shadow: inset 0 1px rgba(255,255,255,0.035);
}
.download-section img { width: 86px; height: 86px; border-radius: 18px; }
.download-copy .kicker { margin-bottom: 9px; }
.download-copy h2 { font-size: clamp(26px, 3vw, 38px); }
.download-copy > p:last-child { margin: 10px 0 0; color: #7f8a8f; font: 650 10px/1.4 var(--mono); }
.download-file { min-width: 170px; }

.feedback-section {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 100px;
  padding: 118px 0;
}
.feedback-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; }
.feedback-copy p { margin: 0 0 24px; color: #939da2; font-size: 14px; line-height: 1.7; }
.feedback-placeholder {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  border: 1px dashed #3b474f;
  border-radius: 7px;
  padding: 0 15px;
  color: #6f7a7f;
  font: 700 9px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.feedback-copy small { margin-top: 11px; color: #566167; font-size: 11px; }

footer {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: #667177;
  font: 700 9px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: #8e999e; }
.footer-mark { width: 28px; height: 28px; }

a:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
@media (prefers-reduced-motion: no-preference) {
  .carousel-window { transition: transform 220ms ease, border-color 220ms ease; }
  .product-carousel:hover .carousel-window { transform: translateY(-2px); border-color: #4b5862; }
}

@media (max-width: 1040px) {
  .hero { grid-template-columns: 1fr; gap: 58px; padding-top: 106px; }
  .hero-copy { max-width: 760px; }
  .product-carousel { max-width: 780px; }
  .download-section { grid-template-columns: 78px 1fr; }
  .download-section img { width: 78px; height: 78px; }
  .download-file { grid-column: 1 / -1; width: 100%; }
}

@media (max-width: 760px) {
  .site-header { width: min(100% - 28px, 1240px); grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero,
  .tools-section,
  .requirements-section,
  .download-section,
  .feedback-section,
  footer { width: min(100% - 28px, 1240px); }
  .hero { min-height: auto; padding-bottom: 74px; }
  .hero h1 { font-size: clamp(44px, 13vw, 68px); }
  .hero h1 br { display: none; }
  .hero-description { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .quick-specs { width: 100%; grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .carousel-details { grid-template-columns: 44px 1fr; }
  .carousel-arrows { grid-column: 2; }
  .section-heading,
  .tool-grid,
  .requirements-section,
  .feedback-section { grid-template-columns: 1fr; }
  .section-heading { gap: 16px; }
  .tool-grid { gap: 12px; }
  .tool-card { min-height: 350px; }
  .requirements-section,
  .feedback-section { gap: 46px; }
  .download-section { margin-top: 64px; padding: 22px; gap: 18px; }
  .download-copy h2 { font-size: 26px; }
  footer { flex-direction: column; align-items: flex-start; justify-content: center; gap: 14px; }
}

@media (max-width: 480px) {
  .brand strong { font-size: 12px; }
  .header-download { padding-inline: 10px; }
  .signal-rail span:last-child { display: none; }
  .hero { padding-top: 92px; }
  .carousel-chrome { height: 30px; }
  .carousel-details { min-height: 0; padding-block: 16px; }
  .carousel-copy small { display: none; }
  .carousel-tabs button { font-size: 0; }
  .carousel-tabs button span { font-size: 8px; }
  .quick-specs dd { font-size: 10px; }
  .download-section { grid-template-columns: 58px 1fr; }
  .download-section img { width: 58px; height: 58px; border-radius: 12px; }
  .download-copy > p:last-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}