:root {
  color-scheme: dark;
  --bg: #070a10;
  --bg-soft: #0b1018;
  --panel: rgba(16, 23, 34, 0.82);
  --panel-strong: #111925;
  --line: rgba(162, 190, 211, 0.16);
  --line-strong: rgba(103, 215, 231, 0.34);
  --text: #f4f7fa;
  --muted: #a4b3c5;
  --quiet: #708096;
  --cyan: #67d7e7;
  --cyan-soft: rgba(103, 215, 231, 0.12);
  --mint: #7de3bd;
  --mint-soft: rgba(125, 227, 189, 0.12);
  --gold: #f1c96a;
  --danger: #ff8c7c;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --content: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 14% 8%, rgba(103, 215, 231, 0.1), transparent 28rem),
    radial-gradient(circle at 88% 24%, rgba(125, 227, 189, 0.07), transparent 25rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.42) 0 1px, transparent 1.2px),
    radial-gradient(circle, rgba(103, 215, 231, 0.3) 0 1px, transparent 1.2px);
  background-position: 0 0, 37px 61px;
  background-size: 113px 127px, 181px 193px;
  content: "";
  opacity: 0.18;
  pointer-events: none;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  transform: translateY(-160%);
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-weight: 750;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 40px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgba(7, 10, 16, 0.76);
  backdrop-filter: blur(18px);
}

.site-header::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  content: "";
}

.nav-shell {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 790;
  letter-spacing: -0.02em;
}

.brand img {
  width: 39px;
  height: 39px;
  border: 1px solid rgba(103, 215, 231, 0.56);
  border-radius: 10px;
  box-shadow: 0 0 24px rgba(103, 215, 231, 0.12);
}

.main-nav,
.language-nav,
.footer-links {
  display: flex;
  align-items: center;
}

.main-nav {
  gap: 28px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.main-nav a,
.footer-links a {
  transition: color 160ms ease;
}

.main-nav a:hover,
.footer-links a:hover {
  color: var(--cyan);
}

.language-nav {
  flex: 0 0 auto;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
}

.language-nav a {
  min-width: 36px;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--quiet);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: center;
}

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

.language-nav a[aria-current="page"] {
  background: var(--cyan-soft);
  color: var(--cyan);
}

.hero {
  position: relative;
  padding: 104px 0 78px;
}

.hero::before {
  position: absolute;
  top: 50px;
  left: 50%;
  z-index: -1;
  width: 860px;
  height: 520px;
  transform: translateX(-50%);
  border: 1px solid rgba(103, 215, 231, 0.08);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(103, 215, 231, 0.07), transparent 66%);
  content: "";
  filter: blur(1px);
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 58px;
  grid-template-columns: minmax(0, 0.82fr) minmax(540px, 1.18fr);
}

.eyebrow,
.section-kicker,
.download-platform {
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 820;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--cyan-soft);
}

.eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 14px rgba(125, 227, 189, 0.8);
  content: "";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 670px;
  margin: 24px 0 22px;
  font-size: clamp(3rem, 5.4vw, 5.8rem);
  font-weight: 780;
  letter-spacing: -0.064em;
  line-height: 0.98;
}

.accent-text {
  background: linear-gradient(115deg, var(--text) 12%, var(--cyan) 58%, var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy > p {
  max-width: 610px;
  margin-bottom: 31px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.24rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 19px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 760;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button::after {
  content: "\2197";
  font-size: 1rem;
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.065);
}

.button-primary {
  border-color: var(--cyan);
  background: var(--cyan);
  color: #041015;
  box-shadow: 0 12px 38px rgba(103, 215, 231, 0.18);
}

.button-primary:hover {
  border-color: #8ce9f5;
  background: #8ce9f5;
}

.release-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 23px;
  color: var(--quiet);
  font-size: 0.79rem;
  font-weight: 650;
}

.release-line span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.release-line span::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  content: "";
}

.product-frame {
  position: relative;
  margin: 0;
  transform: perspective(1400px) rotateY(-2.5deg) rotateX(1deg);
  transform-origin: center left;
  border: 1px solid rgba(158, 186, 209, 0.25);
  border-radius: 18px;
  background: #0b0f16;
  box-shadow: var(--shadow), 0 0 90px rgba(103, 215, 231, 0.07);
}

.product-frame::before {
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(125deg, rgba(103, 215, 231, 0.35), transparent 35%, rgba(125, 227, 189, 0.12));
  content: "";
  filter: blur(14px);
  opacity: 0.42;
}

.window-bar {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  color: var(--quiet);
  font-size: 0.72rem;
  font-weight: 690;
}

.window-bar i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #344152;
}

.window-bar span {
  margin-left: auto;
}

.screenshot-shell {
  overflow: hidden;
  border-radius: 0 0 17px 17px;
}

.screenshot-shell img {
  width: 100%;
  height: auto;
  aspect-ratio: 2559 / 1486;
  object-fit: cover;
}

.product-frame figcaption {
  position: absolute;
  right: 18px;
  bottom: -18px;
  padding: 9px 13px;
  border: 1px solid rgba(125, 227, 189, 0.32);
  border-radius: 10px;
  background: rgba(11, 16, 24, 0.94);
  color: var(--mint);
  font-size: 0.72rem;
  font-weight: 760;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.34);
}

.trust-strip {
  display: grid;
  overflow: hidden;
  margin-top: 76px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(14, 20, 30, 0.62);
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  min-width: 0;
  padding: 21px 24px;
  border-right: 1px solid var(--line);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-value {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
  font-size: 1.12rem;
  font-weight: 790;
  letter-spacing: -0.02em;
}

.trust-label {
  display: block;
  color: var(--quiet);
  font-size: 0.76rem;
  font-weight: 650;
}

.section {
  padding: 104px 0;
}

.section-muted {
  position: relative;
  border-block: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 20, 30, 0.54), rgba(8, 12, 18, 0.76));
}

.section-header {
  display: grid;
  align-items: end;
  gap: 40px;
  margin-bottom: 54px;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
}

.section-kicker {
  display: block;
  margin-bottom: 14px;
}

h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(2.2rem, 4.2vw, 4rem);
  font-weight: 760;
  letter-spacing: -0.052em;
  line-height: 1.04;
}

.section-header > p,
.section-lede {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.steps-grid {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.step {
  min-height: 270px;
  padding: 34px;
  background: var(--panel-strong);
}

.step-number {
  display: inline-grid;
  width: 34px;
  height: 34px;
  margin-bottom: 48px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 820;
}

.step h3,
.feature-card h3,
.download-card h3,
.source-card h3 {
  margin-bottom: 11px;
  font-size: 1.23rem;
  font-weight: 760;
  letter-spacing: -0.025em;
}

.step p,
.feature-card p,
.download-card p,
.source-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.feature-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(18, 27, 40, 0.92), rgba(11, 16, 24, 0.76));
  transition: border-color 180ms ease, transform 180ms ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.feature-card::after {
  position: absolute;
  right: -42px;
  bottom: -52px;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(103, 215, 231, 0.12);
  border-radius: 50%;
  content: "";
}

.feature-mark {
  display: inline-flex;
  min-width: 44px;
  height: 31px;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
  border-radius: 8px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.09em;
}

.feature-card:nth-child(2n) .feature-mark {
  background: var(--mint-soft);
  color: var(--mint);
}

.catalogue-band {
  display: grid;
  align-items: center;
  gap: 42px;
  margin-top: 16px;
  padding: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 80% 20%, rgba(103, 215, 231, 0.1), transparent 18rem),
    var(--panel-strong);
  grid-template-columns: 1.25fr 0.75fr;
}

.catalogue-band h3 {
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  letter-spacing: -0.045em;
}

.catalogue-band p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
}

.catalogue-numbers {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
}

.number-tile {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(5, 8, 13, 0.38);
}

.number-tile strong {
  display: block;
  color: var(--cyan);
  font-size: 1.7rem;
  letter-spacing: -0.04em;
}

.number-tile span {
  color: var(--quiet);
  font-size: 0.72rem;
  font-weight: 650;
}

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

.download-card,
.source-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.download-card-primary {
  border-color: rgba(103, 215, 231, 0.42);
  background: linear-gradient(150deg, rgba(103, 215, 231, 0.11), rgba(15, 22, 32, 0.88) 52%);
}

.download-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
}

.version-pill {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 760;
}

.download-card h3 {
  margin-bottom: 8px;
  font-size: 1.7rem;
}

.download-meta {
  min-height: 48px;
  margin-bottom: 29px !important;
}

.download-card .button {
  width: 100%;
  margin-top: 28px;
}

.download-note {
  margin: 22px 0 0;
  padding: 14px 17px;
  border-left: 2px solid var(--gold);
  background: rgba(241, 201, 106, 0.07);
  color: #c9bea0;
  font-size: 0.82rem;
}

.source-card {
  display: grid;
  align-items: center;
  gap: 30px;
  margin-top: 18px;
  grid-template-columns: 1fr auto;
}

.source-card h3 {
  margin-bottom: 6px;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
  margin-inline: auto;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(15, 22, 32, 0.72);
}

.faq-list summary {
  position: relative;
  padding: 21px 56px 21px 23px;
  cursor: pointer;
  font-weight: 720;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 23px;
  transform: translateY(-50%);
  color: var(--cyan);
  content: "+";
  font-size: 1.25rem;
}

.faq-list details[open] summary::after {
  content: "\2212";
}

.faq-list details p {
  margin: 0;
  padding: 0 23px 23px;
  color: var(--muted);
}

.closing-panel {
  position: relative;
  overflow: hidden;
  padding: 62px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 90% 10%, rgba(125, 227, 189, 0.13), transparent 19rem),
    radial-gradient(circle at 0 100%, rgba(103, 215, 231, 0.12), transparent 22rem),
    #101823;
  text-align: center;
}

.closing-panel h2 {
  max-width: 780px;
  margin: 0 auto 17px;
}

.closing-panel p {
  max-width: 650px;
  margin: 0 auto 28px;
  color: var(--muted);
}

.closing-panel .button-row {
  justify-content: center;
}

.site-footer {
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 0.8rem;
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-copy p {
  margin-bottom: 3px;
}

.footer-copy p:last-child {
  margin-bottom: 0;
}

.footer-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.solar-warning {
  color: #ac9d87;
}

.not-found {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 30px;
}

.not-found-card {
  width: min(100%, 700px);
  padding: 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  text-align: center;
  box-shadow: var(--shadow);
}

.not-found-code {
  display: block;
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.18em;
}

.not-found-card h1 {
  margin-inline: auto;
  font-size: clamp(2.5rem, 8vw, 5rem);
}

.not-found-card p {
  color: var(--muted);
}

.not-found-card .button-row {
  justify-content: center;
}

@media (max-width: 1040px) {
  .main-nav {
    display: none;
  }

  .hero {
    padding-top: 80px;
  }

  .hero-grid {
    gap: 52px;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .product-frame {
    transform: none;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .catalogue-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 28px), var(--content));
  }

  .nav-shell {
    min-height: 68px;
    gap: 14px;
  }

  .brand {
    gap: 9px;
    font-size: 1.08rem;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .language-nav a {
    min-width: 31px;
    padding-inline: 7px;
    font-size: 0.66rem;
  }

  .hero {
    padding: 62px 0 55px;
  }

  h1 {
    font-size: clamp(2.85rem, 14vw, 4.2rem);
  }

  .hero::before {
    width: 100%;
  }

  .product-frame figcaption {
    display: none;
  }

  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-item:nth-child(2) {
    border-right: 0;
  }

  .trust-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 76px 0;
  }

  .section-header {
    gap: 20px;
    margin-bottom: 36px;
    grid-template-columns: 1fr;
  }

  .steps-grid,
  .feature-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .step {
    min-height: auto;
    padding: 27px;
  }

  .step-number,
  .feature-mark {
    margin-bottom: 26px;
  }

  .feature-card {
    min-height: auto;
  }

  .catalogue-band {
    padding: 30px;
  }

  .source-card {
    align-items: stretch;
    grid-template-columns: 1fr;
  }

  .closing-panel {
    padding: 46px 24px;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 460px) {
  .language-nav {
    gap: 1px;
    padding: 3px;
  }

  .language-nav a {
    min-width: 27px;
    padding: 4px 5px;
  }

  .button-row .button {
    width: 100%;
  }

  .trust-item {
    padding: 17px;
  }

  .catalogue-numbers {
    grid-template-columns: 1fr;
  }

  .not-found-card {
    padding: 38px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
