:root {
  --bg: #f7f8fa;
  --paper: #ffffff;
  --paper-soft: #f8fafc;
  --ink: #101418;
  --ink-soft: #344054;
  --muted: #667085;
  --muted-strong: #475467;
  --line: #dde3ea;
  --line-strong: #cad4df;
  --accent: #0f6cbd;
  --accent-soft: #eaf4ff;
  --dark: #111820;
  --dark-card: #182431;
  --shadow: 0 32px 90px rgba(16, 20, 24, 0.14);
  --shadow-soft: 0 18px 44px rgba(16, 20, 24, 0.08);
  --radius: 8px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family:
    Inter,
    "Segoe UI",
    -apple-system,
    BlinkMacSystemFont,
    "Helvetica Neue",
    Arial,
    sans-serif;
  letter-spacing: 0;
}

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

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

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  color: var(--ink);
  letter-spacing: 0;
}

h1 {
  max-width: 980px;
  font-size: 66px;
  line-height: 1.06;
}

h2 {
  font-size: 40px;
  line-height: 1.18;
}

h3 {
  font-size: 18px;
  line-height: 1.25;
}

p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

pre,
code {
  font-family:
    "JetBrains Mono",
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
}

.section-shell {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

section[id] {
  scroll-margin-top: 96px;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  padding: 14px 0 0;
  pointer-events: none;
}

.nav-shell {
  display: flex;
  width: min(var(--container), calc(100% - 48px));
  height: 64px;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
  padding: 0 16px;
  border: 1px solid rgba(221, 227, 234, 0.92);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  pointer-events: auto;
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  height: 36px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fafc;
}

.language-toggle button {
  display: inline-flex;
  min-width: 36px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted-strong);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
}

.language-toggle button.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 6px 14px rgba(16, 20, 24, 0.08);
}

.brand,
.nav-links,
.footer-layout {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 15px;
  font-weight: 800;
}

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

.nav-links {
  gap: 28px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 700;
}

.nav-links a {
  transition: color 0.16s ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.button,
.nav-action {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 760;
  line-height: 1;
  white-space: nowrap;
}

.nav-action {
  min-width: 104px;
  background: var(--ink);
  color: #fff;
}

.button {
  min-width: 150px;
  padding: 0 18px;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 14px 32px rgba(16, 20, 24, 0.16);
}

.button-secondary {
  border-color: var(--line-strong);
  background: #fff;
  color: var(--ink);
}

.hero {
  padding: 66px 0 78px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 430px);
  align-items: start;
  column-gap: 70px;
  row-gap: 42px;
}

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

.eyebrow {
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 760px;
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.6;
}

.hero-support {
  display: grid;
  grid-column: 1;
  grid-row: 2;
  max-width: 720px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 46px rgba(16, 20, 24, 0.07);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.hero-support article {
  min-height: 76px;
  padding: 17px 20px;
}

.hero-support article + article {
  border-left: 1px solid var(--line);
}

.hero-support span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.hero-support strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 850;
  line-height: 1.35;
}

.download-panel {
  grid-column: 2;
  grid-row: 1 / span 2;
  width: 100%;
}

.quick-download {
  display: flex;
  min-height: 62px;
  align-items: center;
  gap: 14px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: #fff;
  padding: 0 20px;
  color: var(--ink);
}

.quick-download-primary {
  margin: 20px 0 12px;
  border-color: #101418;
  background:
    radial-gradient(circle at 18% 0, rgba(255, 255, 255, 0.16), transparent 34%),
    #101418;
  color: #fff;
  box-shadow: 0 20px 42px rgba(16, 20, 24, 0.22);
}

.quick-download span:last-child {
  display: grid;
}

.quick-download strong {
  font-size: 17px;
  font-weight: 850;
  line-height: 1.1;
}

.platform-mark {
  position: relative;
  width: 22px;
  height: 22px;
  color: currentColor;
  flex: 0 0 auto;
}

.platform-mark::before {
  position: absolute;
  inset: 0;
  background: currentColor;
  content: "";
  -webkit-mask: var(--platform-mark-mask) center / contain no-repeat;
  mask: var(--platform-mark-mask) center / contain no-repeat;
}

.platform-mark-windows {
  --platform-mark-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='black' d='M6.555 1.375 0 2.237v5.45h6.555zM0 13.795l6.555.933V8.313H0zm7.278-5.4.026 6.378L16 16V8.395zM16 0 7.33 1.244v6.414H16z'/%3E%3C/svg%3E");
}

.platform-mark-mac {
  --platform-mark-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath fill='black' d='M318.7 268.7c-.2-36.7 16.4-64.4 50-84.8-18.8-26.9-47.2-41.7-84.7-44.6-35.5-2.8-74.3 20.7-88.5 20.7-15 0-49.4-19.7-76.4-19.2-39.5.6-76 22.9-96.4 58.4-41.1 71.4-10.5 177.2 29.5 235.1 19.6 28.3 42.9 60.1 73.5 58.9 29.5-1.2 40.6-19.1 76.4-19.1 35.8 0 45.8 19.1 76.9 18.5 31.7-.6 51.7-28.8 71.2-57.2 22.5-32.9 31.8-64.7 32.3-66.3-.7-.3-62-23.5-62.2-93.3zm-58-166.3c16.4-19.8 27.5-47.4 24.5-74.8-23.7 1-52.4 15.8-69.3 35.6-15.2 17.6-28.5 45.8-24.9 72.8 26.4 2 53.4-13.4 69.7-33.6z'/%3E%3C/svg%3E");
}

.platform-mark-release::before {
  position: absolute;
  left: 3px;
  top: 2px;
  width: 11px;
  height: 13px;
  border: 1.8px solid currentColor;
  border-radius: 3px;
  content: "";
}

.platform-mark-release::after {
  position: absolute;
  left: 6px;
  top: 5px;
  width: 5px;
  height: 5px;
  border-right: 1.8px solid currentColor;
  border-bottom: 1.8px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.desktop-download-card {
  border: 1px solid rgba(15, 23, 42, 0.09);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 249, 252, 0.9)),
    #fff;
  box-shadow: 0 30px 80px rgba(16, 20, 24, 0.1);
  padding: 26px 26px 24px;
}

.download-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.download-kicker {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid rgba(15, 108, 189, 0.18);
  border-radius: 999px;
  background: rgba(15, 108, 189, 0.08);
  padding: 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
}

.desktop-download-card h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.15;
}

.desktop-download-card > p {
  max-width: 330px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.5;
}

.download-version-pill {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  padding: 0 13px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
}

.download-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.download-option {
  display: flex;
  min-height: 62px;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.74);
  padding: 12px;
  color: var(--ink);
  transition:
    border-color 0.16s ease,
    background 0.16s ease,
    transform 0.16s ease;
}

.download-option:hover {
  border-color: rgba(15, 108, 189, 0.22);
  background: #fff;
  transform: translateY(-1px);
}

.download-option > span:last-child {
  display: grid;
  gap: 4px;
}

.download-option strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 820;
  line-height: 1.15;
}

.download-option small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.hero-window {
  margin-top: 38px;
}

.window-frame {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.window-bar {
  display: flex;
  height: 42px;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: #f3f5f7;
}

.window-bar span {
  width: 10px;
  height: 10px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: #e9eef3;
}

.window-frame img {
  width: 100%;
  max-height: 690px;
  object-fit: cover;
  object-position: center top;
}

.problem-section,
.usecase-section {
  padding: 96px 0;
}

.split-heading {
  display: grid;
  gap: 70px;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.62fr);
  align-items: end;
  margin-bottom: 58px;
}

.split-heading > p {
  color: var(--muted-strong);
  font-size: 17px;
  line-height: 1.65;
}

.compact-heading {
  grid-template-columns: minmax(0, 760px);
  gap: 0;
}

.value-intro {
  max-width: 760px;
  margin-bottom: 48px;
}

.value-board {
  display: grid;
  overflow: hidden;
  grid-template-columns: minmax(320px, 0.42fr) minmax(0, 0.58fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.value-thesis {
  display: flex;
  min-height: 370px;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px;
  background: var(--dark);
}

.value-thesis span,
.value-thesis small {
  color: #85d7ff;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.value-thesis h3 {
  max-width: 430px;
  color: #fff;
  font-size: 30px;
  line-height: 1.25;
}

.value-thesis small {
  color: #aebdcc;
  text-transform: none;
}

.value-points {
  display: grid;
  align-content: stretch;
}

.value-points article {
  display: grid;
  min-height: 123px;
  grid-template-columns: 74px 1fr;
  gap: 22px;
  align-items: start;
  padding: 34px 36px;
  border-bottom: 1px solid var(--line);
}

.value-points article:last-child {
  border-bottom: 0;
}

.value-points span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
}

.value-points h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.value-points p {
  max-width: 560px;
  font-size: 15px;
  line-height: 1.58;
}

.decision-strip {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 14px;
}

.decision-strip article {
  min-height: 112px;
  padding: 20px 22px;
  border: 1px solid rgba(221, 227, 234, 0.82);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
}

.decision-strip span {
  display: block;
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.decision-strip strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 760;
  line-height: 1.55;
}

.gallery-section,
.component-section {
  padding: 94px 0 104px;
  border-top: 1px solid var(--line);
  background: var(--paper-soft);
}

.gallery-board {
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(0, 720px) minmax(360px, 1fr);
  align-items: start;
}

.gallery-primary,
.gallery-stack article,
.component-browser {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.gallery-primary {
  overflow: hidden;
}

.gallery-primary img {
  width: 100%;
  height: 322px;
  object-fit: cover;
  object-position: left top;
}

.gallery-primary div {
  padding: 28px 32px 34px;
}

.gallery-primary p {
  max-width: 560px;
  margin-top: 14px;
  font-size: 15px;
}

.gallery-stack {
  display: grid;
  gap: 18px;
}

.gallery-stack article {
  display: grid;
  min-height: 112px;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: center;
  padding: 16px;
}

.gallery-stack img {
  width: 120px;
  height: 80px;
  border-radius: 6px;
  object-fit: cover;
  object-position: left top;
}

.gallery-stack p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.45;
}

.component-section {
  background: #fff;
}

.component-browser {
  display: grid;
  overflow: hidden;
  min-height: 620px;
  grid-template-columns: 230px 1fr;
  background: #f8fafc;
}

.component-rail {
  display: grid;
  align-content: start;
  gap: 16px;
  border-right: 1px solid var(--line);
  background: #fff;
  padding: 32px 18px;
}

.component-rail a {
  display: flex;
  min-height: 38px;
  align-items: center;
  border-radius: var(--radius);
  padding: 0 14px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 760;
}

.component-rail a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.component-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 34px;
}

.component-grid article {
  min-height: 146px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 20px;
  box-shadow: 0 10px 26px rgba(16, 20, 24, 0.045);
}

.component-grid img {
  width: 58px;
  height: 58px;
  margin-bottom: 16px;
  object-fit: contain;
}

.component-grid h3 {
  margin-bottom: 8px;
  font-size: 16px;
}

.component-grid p {
  font-size: 14px;
  line-height: 1.35;
}

.usecase-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.usecase-grid article {
  min-height: 256px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.usecase-grid span {
  display: block;
  margin-bottom: 76px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
}

.usecase-grid h3 {
  margin-bottom: 14px;
  font-size: 20px;
}

.usecase-grid p {
  font-size: 15px;
  line-height: 1.58;
}

.engineering-section {
  padding: 84px 0;
  background: var(--dark);
  color: #fff;
}

.engineering-layout {
  display: grid;
  gap: 100px;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  align-items: start;
}

.engineering-section .eyebrow {
  color: #85d7ff;
}

.engineering-section h2 {
  color: #fff;
}

.engineering-section p {
  max-width: 560px;
  margin-top: 24px;
  color: #c9d4df;
  font-size: 17px;
}

.engineering-list {
  display: grid;
  gap: 12px;
}

.engineering-list article {
  display: grid;
  min-height: 46px;
  grid-template-columns: 170px 1fr;
  align-items: center;
  border: 1px solid #2a3948;
  border-radius: var(--radius);
  background: var(--dark-card);
  padding: 0 20px;
}

.engineering-list span {
  color: #85d7ff;
  font-size: 13px;
  font-weight: 760;
}

.engineering-list strong {
  color: #e7eef6;
  font-size: 14px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  color: var(--muted);
}

.footer-layout {
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
}

.footer-layout span:first-child {
  color: var(--ink);
  font-weight: 850;
}

@media (max-width: 1100px) {
  h1 {
    font-size: 56px;
  }

  h2 {
    font-size: 34px;
  }

  .nav-links {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .download-panel {
    grid-column: auto;
    grid-row: auto;
    max-width: 520px;
  }

  .hero-support {
    grid-column: auto;
    grid-row: auto;
  }

  .split-heading,
  .value-board,
  .gallery-board,
  .engineering-layout {
    grid-template-columns: 1fr;
  }

  .decision-strip,
  .usecase-grid,
  .component-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .value-thesis {
    min-height: 260px;
  }

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

  .hero-support article + article {
    border-left: 0;
  }

  .hero-support article:nth-child(2n) {
    border-left: 1px solid var(--line);
  }

  .hero-support article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .component-browser {
    grid-template-columns: 1fr;
  }

  .component-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

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

  h1 {
    font-size: 40px;
    line-height: 1.08;
  }

  h2 {
    font-size: 29px;
    line-height: 1.18;
  }

  p {
    font-size: 15px;
  }

  .site-header {
    padding-top: 10px;
  }

  .nav-shell {
    height: 56px;
    padding: 0 10px;
  }

  .nav-tools {
    gap: 8px;
  }

  .language-toggle {
    height: 34px;
  }

  .language-toggle button {
    min-width: 32px;
    height: 26px;
  }

  .nav-action {
    min-width: 88px;
  }

  .hero {
    padding: 52px 0 76px;
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-support {
    grid-template-columns: 1fr;
  }

  .hero-support article {
    min-height: 68px;
    padding: 15px 18px;
  }

  .hero-support article,
  .hero-support article:nth-child(2n),
  .hero-support article:nth-child(n + 3) {
    border-left: 0;
    border-top: 0;
  }

  .hero-support article + article {
    border-top: 1px solid var(--line);
  }

  .quick-download {
    width: 100%;
    font-size: 16px;
  }

  .desktop-download-card {
    border-radius: 18px;
    padding: 18px;
  }

  .download-card-head {
    display: grid;
    gap: 14px;
  }

  .download-version-pill {
    justify-items: start;
    text-align: left;
  }

  .download-list {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-window {
    margin-top: 36px;
  }

  .window-bar {
    height: 30px;
  }

  .window-frame img {
    max-height: none;
  }

  .problem-section,
  .usecase-section,
  .gallery-section,
  .component-section,
  .engineering-section {
    padding: 68px 0;
  }

  .split-heading {
    gap: 22px;
    margin-bottom: 36px;
  }

  .decision-strip,
  .usecase-grid,
  .component-grid,
  .gallery-stack article,
  .engineering-list article {
    grid-template-columns: 1fr;
  }

  .value-intro {
    margin-bottom: 34px;
  }

  .value-thesis {
    min-height: 260px;
    padding: 28px;
  }

  .value-thesis h3 {
    font-size: 24px;
  }

  .value-points article {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 26px 24px;
  }

  .decision-strip article {
    min-height: 0;
  }

  .decision-strip span {
    margin-bottom: 18px;
  }

  .usecase-grid article {
    min-height: 0;
    padding: 24px;
  }

  .usecase-grid span {
    margin-bottom: 28px;
  }

  .gallery-primary img {
    height: auto;
  }

  .gallery-stack article {
    gap: 14px;
  }

  .gallery-stack img {
    width: 100%;
    height: auto;
  }

  .component-rail {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px;
  }

  .component-grid {
    gap: 14px;
    padding: 18px;
  }

  .engineering-layout {
    gap: 34px;
  }

  .footer-layout {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .brand span {
    display: none;
  }

  .nav-action {
    min-width: 76px;
  }
}