:root {
  color-scheme: dark;
  --bg: #080808;
  --bg-soft: #0c0c0d;
  --panel: #111113;
  --panel-2: #171719;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f7f7f8;
  --muted: #b6b6bc;
  --subtle: #7e7e87;
  --lime: #42ddf5;
  --orange: #ff6470;
  --mint: #2fe7ad;
  --ink: #080808;
  --sidebar: 252px;
  --radius: 22px;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 36px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(66, 221, 245, 0.12), transparent 24%),
    radial-gradient(circle at top left, rgba(255, 100, 112, 0.09), transparent 22%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

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

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

button {
  font: inherit;
  color: inherit;
}

[hidden] { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.scroll-progress {
  position: fixed;
  z-index: 100;
  top: 0;
  left: var(--sidebar);
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--lime);
}

.sidebar {
  position: fixed;
  z-index: 40;
  inset: 0 auto 0 0;
  width: var(--sidebar);
  display: flex;
  flex-direction: column;
  padding: 30px 24px 24px;
  background: rgba(8, 8, 8, 0.96);
  border-right: 1px solid var(--line);
  backdrop-filter: blur(20px);
}

.brand,
.mobile-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand-logo {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  object-fit: cover;
  border-radius: 13px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.brand small {
  margin-top: 3px;
  color: var(--subtle);
  font-size: 10px;
  line-height: 1.2;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.sidebar-tools {
  display: flex;
  margin-top: 18px;
}

.mobile-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.lang-button {
  min-width: 48px;
  height: 32px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.lang-button:hover { color: var(--text); }

.lang-button.is-active {
  color: var(--ink);
  background: var(--lime);
}

.side-nav {
  display: grid;
  gap: 4px;
  margin-top: 38px;
}

.side-nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 8px 8px 8px 11px;
  border-radius: 9px;
  color: #878c94;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.side-nav a::before {
  content: "";
  position: absolute;
  left: -25px;
  width: 2px;
  height: 18px;
  background: transparent;
}

.side-nav a span {
  color: #555a62;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.side-nav a:hover,
.side-nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
}

.side-nav a.active::before { background: var(--lime); }
.side-nav a.active span { color: var(--lime); }

.sidebar-note {
  margin-top: auto;
  padding: 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.sidebar-note p {
  margin: 8px 0 0;
  color: var(--subtle);
  font-size: 11px;
  line-height: 1.55;
}

.sidebar-note strong {
  display: block;
  margin-bottom: 3px;
  color: #c7c9cd;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(66, 221, 245, 0.09);
}

.mobile-header {
  position: sticky;
  top: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(8, 8, 8, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
}

.menu-button {
  width: 42px;
  height: 42px;
  padding: 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
}

.menu-button span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
  border-radius: 999px;
}

.mobile-nav {
  position: absolute;
  inset: 100% 18px auto;
  display: none;
  padding: 12px;
  background: rgba(17, 17, 19, 0.98);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.mobile-nav.open {
  display: grid;
  gap: 6px;
}

.mobile-nav a {
  padding: 10px 12px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 12px;
}

.mobile-nav a.active,
.mobile-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

main {
  margin-left: var(--sidebar);
  padding: 0 28px 40px;
}

.section,
footer {
  max-width: 1220px;
  margin: 0 auto;
}

.hero {
  position: relative;
  width: calc(100% + 56px);
  margin: 0 -28px;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(330px, 0.58fr);
  align-items: center;
  gap: clamp(50px, 7vw, 110px);
  min-height: 820px;
  padding: 88px clamp(48px, 7vw, 120px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #090909;
}

.hero::after {
  content: "";
  position: absolute;
  right: 4%;
  top: 11%;
  width: 44%;
  height: 78%;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 45%;
  transform: rotate(-7deg);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to right, black, transparent 76%);
  pointer-events: none;
}

.hero-reticle {
  position: absolute;
  top: 8%;
  right: 3%;
  width: 470px;
  height: 470px;
  border: 1px solid rgba(66, 221, 245, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.hero-reticle::before,
.hero-reticle::after,
.hero-reticle span::before,
.hero-reticle span::after {
  content: "";
  position: absolute;
  background: rgba(66, 221, 245, 0.22);
}

.hero-reticle::before { top: -11px; left: 50%; width: 1px; height: 22px; }
.hero-reticle::after { left: -11px; top: 50%; width: 22px; height: 1px; }
.hero-reticle span::before { bottom: -11px; left: 50%; width: 1px; height: 22px; }
.hero-reticle span::after { right: -11px; top: 50%; width: 22px; height: 1px; }

.callout-orbit {
  position: absolute;
  border: 1px solid rgba(66, 221, 245, 0.28);
  border-radius: 50%;
}

.callout-orbit::before {
  position: absolute;
  inset: 16px;
  content: "";
  border: 1px solid rgba(66, 221, 245, 0.28);
  border-radius: 50%;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 710px;
}

.hero-phone {
  position: relative;
  z-index: 3;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 28px;
  color: #d4d6d9;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow span {
  padding: 7px 10px;
  color: #ffffff;
  background: var(--orange);
  border-radius: 4px;
}

.eyebrow b {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  color: #d4d6d9;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
}

.eyebrow img {
  width: 18px;
  height: 18px;
  border-radius: 50%;
}

h1, h2, h3, p { text-wrap: pretty; }

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(52px, 6.2vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.065em;
  font-weight: 640;
}

h1 em {
  color: var(--lime);
  background: none;
  font-style: normal;
}

.hero-lede {
  max-width: 660px;
  margin: 30px 0 0;
  color: #b4b7bc;
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.7;
}

.hero-lede .lede-emphasis {
  display: inline;
  padding: 0 0.34em;
  margin: 0 0.08em;
  color: #081114;
  font-weight: 780;
  background: var(--lime);
  border: 1px solid rgba(66, 221, 245, 0.95);
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(66, 221, 245, 0.18);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.download-copy .button {
  display: flex;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 740;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.button-primary {
  color: var(--ink);
  background: var(--lime);
  box-shadow: none;
}

.button-primary:hover {
  background: #70e9fa;
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--line-strong);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 690px;
  margin: 54px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.hero-meta div {
  padding: 0;
}

.hero-meta div + div {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.highlight-card,
.download-panel,
.feature-card,
.focus-callout {
  background: rgba(17, 17, 19, 0.9);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-meta dt {
  color: var(--subtle);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-meta dd {
  margin: 3px 0 0;
  color: #dbdddf;
  font-size: 12px;
  font-weight: 650;
}

.hero-phone {
  width: min(100%, 300px);
  margin: 0 auto;
}

.phone-glow {
  display: none;
}

.image-button {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: zoom-in;
}

.hero-phone .image-button {
  position: relative;
  padding: 8px;
  background: #050505;
  border: 1px solid #2b2b2e;
  border-radius: 32px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}

.hero-phone img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 30px;
  box-shadow: none;
}

.expand-hint {
  position: absolute;
  right: 22px;
  bottom: 22px;
  padding: 5px 8px;
  color: #d9dbde;
  background: rgba(8, 9, 11, 0.75);
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: 9px;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.hero-phone .image-button:hover .expand-hint {
  opacity: 1;
  transform: translateY(0);
}

.hero-phone figcaption,
.feature-media figcaption,
.download-gallery figcaption {
  margin-top: 24px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.hero-phone figcaption span,
.feature-media figcaption span,
.download-gallery figcaption span {
  color: var(--lime);
  font-size: 9px;
  font-weight: 780;
  letter-spacing: 0.1em;
}

.hero-phone figcaption {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  width: 86%;
  margin: 24px auto 0;
}

.feature-media figcaption span,
.download-gallery figcaption span {
  margin-right: 8px;
}

.section {
  padding: 44px 0 0;
}

.section-heading {
  max-width: 840px;
  margin-bottom: 26px;
}

.split-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
}

.section-kicker {
  color: var(--lime);
  font-size: clamp(38px, 4.2vw, 62px);
  font-weight: 620;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.mini-label,
.callout-label {
  color: var(--lime);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading h2,
.download-copy h3 {
  margin: 6px 0 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.section-heading p,
.highlight-card p,
.download-copy p {
  color: var(--muted);
}

.feature-pair {
  display: grid;
  grid-template-columns: minmax(0, 1.85fr) minmax(280px, 0.92fr);
  gap: 16px;
  align-items: stretch;
}

.feature-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border-radius: var(--radius);
}

.feature-card-filter {
  background: var(--panel);
}

.feature-card-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  min-height: 190px;
  padding: 30px 30px 26px;
}

.feature-card-header h3 {
  margin: 0 0 12px;
  font-size: clamp(23px, 2.2vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.feature-card-header p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.feature-product-icon {
  flex: 0 0 auto;
  width: 68px;
  height: 68px;
  object-fit: cover;
  border-radius: 50%;
}

.feature-media,
.download-gallery,
.highlight-grid {
  display: grid;
  gap: 16px;
}

.feature-media {
  position: relative;
  z-index: 1;
  margin-top: 0;
  padding: 0 18px 18px;
}

.feature-media-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.feature-media figure,
.download-gallery figure {
  min-width: 0;
  margin: 0;
  padding: 7px;
  background: #080808;
  border: 1px solid #29292c;
  border-radius: 18px;
}

.feature-media .image-button {
  border-radius: 13px;
}

.feature-media img,
.download-gallery img {
  width: 100%;
  height: auto;
  border-radius: 13px;
  border: 0;
}

.feature-media figcaption {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 7px 5px;
  margin-top: 0;
  color: var(--muted);
  font-size: 14px;
}

.feature-media figcaption span {
  color: var(--lime);
  font-size: 8px;
  font-weight: 780;
}

.focus-callout {
  position: relative;
  margin-top: 20px;
  padding: 22px 24px;
  border-radius: 22px;
  overflow: hidden;
}

.focus-callout p {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.callout-orbit {
  right: -60px;
  bottom: -58px;
  width: 180px;
  height: 180px;
}

.highlight-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.highlight-card {
  padding: 22px;
  border-radius: 22px;
}

.highlight-card h3 {
  margin: 12px 0 0;
  font-size: 22px;
  line-height: 1.15;
}

.highlight-card p {
  margin: 12px 0 0;
}

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 22px;
  padding: 24px;
  border-radius: 26px;
}

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

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 40px 0 20px;
  color: var(--muted);
}

.footer-brand small {
  margin-top: 3px;
}

footer p {
  margin: 0;
  max-width: 460px;
  text-align: center;
}

footer a:last-child {
  color: var(--text);
  text-decoration: none;
}

.lightbox {
  width: min(92vw, 1080px);
  max-width: none;
  padding: 0;
  background: rgba(10, 10, 12, 0.96);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.72);
}

.lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 42px;
  height: 42px;
  padding: 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.lightbox-content {
  padding: 24px;
}

.lightbox-content img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 20px;
}

.lightbox-content p {
  margin: 14px 0 0;
  color: var(--muted);
}

@media (max-width: 1100px) {
  :root { --sidebar: 220px; }

  main { padding: 0 22px 28px; }

  .hero {
    width: calc(100% + 44px);
    margin: 0 -22px;
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
    padding-top: 44px;
  }

  .hero-phone {
    justify-self: start;
    margin: 0;
  }

  .highlight-grid,
  .download-panel,
  .split-heading,
  .feature-pair {
    grid-template-columns: 1fr;
  }

  .split-heading {
    display: grid;
    align-items: start;
  }
}

@media (max-width: 820px) {
  .sidebar,
  .scroll-progress {
    display: none;
  }

  .mobile-header {
    display: flex;
  }

  main {
    margin-left: 0;
    padding: 0 16px 26px;
  }

  .hero {
    width: calc(100% + 32px);
    margin: 0 -16px;
    padding-top: 26px;
    gap: 26px;
  }

  .hero-grid,
  .hero-reticle,
  .callout-orbit {
    display: none;
  }

  .hero-meta,
  .feature-media-pair,
  .download-gallery,
  .highlight-grid {
    grid-template-columns: 1fr;
  }

  .hero-phone .image-button,
  .feature-card,
  .download-panel,
  .focus-callout,
  .highlight-card {
    border-radius: 20px;
  }

  h1 {
    font-size: clamp(36px, 12vw, 56px);
  }

  .section-heading h2,
  .download-copy h3 {
    font-size: clamp(28px, 9vw, 40px);
  }

  footer {
    flex-direction: column;
    align-items: start;
    padding-bottom: 28px;
  }

  footer p {
    text-align: left;
  }
}
