@font-face {
  font-family: "DM Sans";
  src: url("/assets/dm-sans-regular.ttf") format("truetype");
  font-weight: 400 600;
  font-display: swap;
}
@font-face {
  font-family: "DM Sans";
  src: url("/assets/dm-sans-bold.ttf") format("truetype");
  font-weight: 650 900;
  font-display: swap;
}
@font-face {
  font-family: "Lora";
  src: url("/assets/lora-variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}
:root {
  --paper: #f8f7f2;
  --ink: #232720;
  --orange: #fc4c02;
  --muted: #73776c;
  --line: #dedfd6;
  --surface: #fff;
  --serif: "Lora", Georgia, serif;
  --font: "DM Sans", Arial, sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button,
input {
  font: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  cursor: pointer;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 5px;
}
::selection {
  background: #fbc9b3;
  color: var(--ink);
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 700;
}
h1,
h2 {
  letter-spacing: -0.055em;
}
em {
  font-family: var(--serif);
  font-style: normal;
  font-weight: 500;
  letter-spacing: -0.035em;
}
p {
  line-height: 1.65;
}
.wrap {
  width: min(1184px, calc(100% - 96px));
  margin-inline: auto;
}
.icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  vertical-align: middle;
}
.icon-definitions {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.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;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  padding: 12px;
  background: var(--ink);
  color: white;
  z-index: 100;
}
.skip-link:focus {
  top: 10px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: 20px;
  background: linear-gradient(var(--paper) 65%, transparent);
}
.navigation {
  height: 68px;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 0 18px 0 21px;
  display: flex;
  align-items: center;
  background: rgba(248, 247, 242, 0.94);
  backdrop-filter: blur(16px);
  gap: 34px;
}
.github-support {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0 10px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: #f5f1e9;
  color: var(--muted);
  font-size: 12px;
}
.github-support a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.github-support a:hover {
  color: #b53600;
}
.github-support .icon {
  width: 15px;
  height: 15px;
  stroke-width: 1.8;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  font-size: 25px;
  letter-spacing: -1.15px;
  font-weight: 700;
  flex-shrink: 0;
}
.wordmark-dot {
  color: var(--orange);
}
.brand-icon {
  width: 33px;
  height: 33px;
  background: var(--orange);
  border-radius: 9px;
  margin-right: 10px;
  display: grid;
  place-items: center;
}
.brand-icon svg {
  width: 28px;
  fill: none;
  stroke: white;
  stroke-width: 2.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 31px;
  margin-left: auto;
  font-size: 13px;
}
.nav-links a {
  white-space: nowrap;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--orange);
}
.nav-github {
  display: flex;
  gap: 3px;
  align-items: center;
}
.nav-github .icon {
  width: 16px;
  height: 16px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 16px 22px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  transition:
    background 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
  white-space: nowrap;
}
.button:hover {
  transform: translateY(-2px);
}
.button:active {
  transform: translateY(0);
}
.button-dark {
  background: var(--ink);
  color: #fff;
}
.button-dark:hover {
  background: #42483c;
}
.button-orange {
  background: var(--orange);
  color: #fff;
}
.button-orange:hover {
  background: #e24606;
  box-shadow: 0 6px 20px #fc4c0220;
}
.nav-download {
  font-size: 12px;
  padding: 11px 15px;
  gap: 17px;
  border-radius: 8px;
}
.nav-download .icon {
  width: 16px;
  height: 16px;
}
.menu-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--ink);
  margin: 5px 0;
}
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 0;
  align-items: center;
  padding-block: 81px 60px;
  min-height: 568px;
}
.hero-copy {
  position: relative;
  z-index: 2;
}
.release-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 7px 12px;
  font-size: 11px;
  color: #5c6254;
  margin-bottom: 28px;
  background: var(--paper);
}
.release-pill .icon {
  width: 13px;
  height: 13px;
}
.status-dot {
  width: 6px;
  height: 6px;
  background: #6f8b52;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.pill-divider {
  height: 11px;
  width: 1px;
  background: var(--line);
  margin: 0 3px;
}
h1 {
  font-size: clamp(58px, 6.9vw, 91px);
  line-height: 1.04;
  white-space: nowrap;
}
h1 em {
  color: var(--orange);
  font-size: 0.94em;
}
.hero-description {
  font-size: 16px;
  color: #64695f;
  max-width: 460px;
  margin-top: 27px;
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 30px;
}
.text-link {
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  gap: 12px;
  align-items: center;
}
.text-link:hover {
  color: var(--orange);
}
.hero-actions .text-link span {
  font-size: 20px;
}
.platform-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 15px;
}
.platform-note > span {
  margin: 0 7px;
}
.hero-art {
  position: relative;
  min-width: 0;
  height: 470px;
  margin-top: -15px;
  margin-left: -20px;
}
.terrain-art {
  position: absolute;
  width: 540px;
  height: 540px;
  max-width: none;
  top: -22px;
  left: -28px;
  pointer-events: none;
}
.map-coordinate {
  position: absolute;
  top: 27px;
  right: 9px;
  color: #8a8d7e;
  font-size: 9px;
  font-family: monospace;
  letter-spacing: 1px;
}
.route-stat {
  position: absolute;
  right: 1px;
  bottom: 78px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid #e8e6db;
  border-radius: 11px;
  padding: 16px 20px;
  box-shadow: 0 9px 30px #55593c0a;
  transform: rotate(-4deg);
}
.route-stat-icon {
  display: grid;
  place-items: center;
  background: #ffeee6;
  width: 37px;
  height: 37px;
  border-radius: 9px;
  color: var(--orange);
}
.route-stat-icon svg {
  width: 22px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.route-stat div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.route-stat div > span {
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--muted);
}
.route-stat strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.map-scale {
  position: absolute;
  bottom: 26px;
  left: 42px;
  display: flex;
  gap: 7px;
  align-items: center;
  font-size: 9px;
  color: #929681;
  font-family: monospace;
}
.map-scale > span {
  width: 46px;
  border: 1px solid #929681;
  border-top: 0;
  height: 4px;
}
.map-caption {
  position: absolute;
  bottom: 21px;
  right: 1px;
  color: #999c8f;
  font-family: var(--serif);
  font-style: normal;
  font-size: 19px;
}
.section-rule {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  font-size: 9px;
  letter-spacing: 1.2px;
  color: var(--muted);
}
.section-rule h2 {
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 1.5px;
}
.section-rule > span {
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.1px;
  font-size: 11px;
}
.mini-dot {
  width: 5px;
  height: 5px;
  border: 1px solid var(--orange);
  border-radius: 50%;
}
.preview-shell {
  padding: 17px;
  background: #ecece3;
  border: 1px solid #e0e1d7;
  border-radius: 16px;
  box-shadow: 0 20px 60px #32382406;
}
.preview-instruction {
  text-align: center;
  color: #888d7d;
  font-size: 11px;
  margin-top: 16px;
}
.preview-instruction span {
  font-size: 17px;
  margin-left: 5px;
  color: var(--orange);
}
.trust-row {
  display: flex;
  justify-content: center;
  gap: 76px;
  margin-top: 33px;
  padding-bottom: 39px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  color: #686d60;
}
.trust-row > span {
  display: flex;
  gap: 8px;
  align-items: center;
}
.trust-row .icon {
  width: 15px;
  height: 15px;
}
.section-space {
  padding-block: 100px;
}
.eyebrow {
  display: block;
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin-bottom: 24px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 42px;
}
.section-heading h2 {
  font-size: 49px;
  line-height: 1.09;
}
.section-heading h2 em {
  font-size: 1em;
}
.section-heading > p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  max-width: 270px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 19px;
}
.feature-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--paper);
  transition: transform 0.3s;
}
.feature-card:hover {
  transform: translateY(-5px);
}
.feature-visual {
  height: 201px;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  background: #efefe7;
}
.feature-body {
  padding: 26px 24px 24px;
}
.feature-number {
  font-size: 9px;
  font-family: monospace;
  color: var(--orange);
  display: block;
  margin-bottom: 13px;
}
.feature-body h3 {
  font-size: 19px;
  letter-spacing: -0.65px;
}
.feature-body p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  line-height: 1.75;
  min-height: 85px;
}
.feature-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 21px;
}
.feature-tags span {
  font-size: 8px;
  border: 1px solid var(--line);
  padding: 5px 8px;
  border-radius: 5px;
  color: #727868;
}
.chart-visual {
  padding: 23px 26px;
}
.visual-heading {
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  letter-spacing: 1px;
  color: #8a8e7d;
}
.visual-heading > span:last-child {
  font-size: 17px;
  color: var(--orange);
  line-height: 1;
}
.mini-bars {
  height: 110px;
  display: flex;
  gap: 9px;
  align-items: flex-end;
  border-bottom: 1px solid #d4d7c7;
  padding-bottom: 0;
  margin-top: 5px;
}
.mini-bars i {
  flex: 1;
  background: #ffb491;
  border-radius: 3px 3px 0 0;
  height: var(--height);
  max-width: 28px;
}
.mini-bars i:nth-child(3n) {
  background: #fc4c02;
}
.mini-bars i:last-child {
  background: #fc4c02;
}
.visual-baseline {
  display: flex;
  justify-content: space-between;
  margin-top: 13px;
  font-size: 8px;
  color: #92967f;
}
.visual-baseline > span:last-child {
  font-family: monospace;
  font-size: 7px;
}
.map-visual {
  background: #e9ecdf;
}
.map-visual svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.map-visual-label {
  position: absolute;
  bottom: 16px;
  left: 20px;
  font-size: 7px;
  letter-spacing: 0.8px;
  background: #f8f7f2e8;
  padding: 7px 8px;
  border-radius: 5px;
  color: #737962;
}
.formula-visual {
  padding: 26px;
}
.formula-top {
  font-size: 8px;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: #7e866e;
}
.formula-dot {
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
}
.formula-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  font-size: 11px;
  margin-top: 31px;
}
.formula-line > span {
  padding: 10px 15px;
  border: 1px solid #d8dccd;
  background: #fffef7;
  border-radius: 6px;
  font-family: monospace;
}
.formula-line b {
  font-size: 22px;
  font-weight: 400;
  color: var(--orange);
}
.formula-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed #ced3c0;
  margin-top: 20px;
  padding-top: 13px;
  font-size: 10px;
  color: #777e69;
}
.formula-result svg {
  width: 100px;
  color: var(--orange);
}
.feature-footnote {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  margin-top: 27px;
}
.privacy-band {
  background: #252a22;
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.privacy-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 60px;
  padding-block: 74px;
}
.privacy-copy .eyebrow {
  color: #9aab89;
}
.privacy-copy h2 {
  font-size: 65px;
  line-height: 1.02;
}
.privacy-copy h2 em {
  color: #fc7640;
  font-size: 1em;
}
.privacy-copy p {
  font-size: 13px;
  line-height: 1.85;
  color: #b6bdae;
  max-width: 407px;
  margin-top: 25px;
}
.privacy-copy .text-link {
  color: #ebede3;
  font-size: 10px;
  margin-top: 27px;
  font-weight: 400;
}
.privacy-copy .text-link .icon {
  width: 15px;
  height: 15px;
}
.privacy-art {
  position: relative;
  height: 330px;
  display: grid;
  place-items: center;
}
.local-orbit {
  position: absolute;
  width: 318px;
  height: 318px;
  border: 1px dashed #59624e;
  border-radius: 50%;
  transform: rotate(-30deg) scaleY(0.75);
}
.orbit-two {
  width: 450px;
  height: 450px;
  border-color: #394233;
  transform: rotate(-30deg) scaleY(0.75);
}
.file-chip {
  position: absolute;
  border: 1px solid #687358;
  background: #30382b;
  font-family: monospace;
  font-size: 13px;
  padding: 17px 14px;
  border-radius: 8px;
  z-index: 2;
}
.chip-tcx {
  top: 17px;
  left: 35px;
  transform: rotate(-13deg);
}
.chip-fit {
  bottom: 51px;
  right: 7px;
  transform: rotate(11deg);
}
.local-computer {
  z-index: 1;
  background: #252a22;
  padding: 17px;
}
.local-computer > svg {
  width: 178px;
  stroke: #c9d1be;
  stroke-width: 1.5;
  fill: none;
}
.local-computer .computer-trace {
  stroke: var(--orange);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.local-computer > span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 7px;
  letter-spacing: 1px;
  margin-top: 17px;
  color: #a1ae8f;
}
.local-computer .icon {
  width: 11px;
  height: 11px;
}
.privacy-art-note {
  font-size: 19px;
  color: #7e8b70;
  position: absolute;
  bottom: 0;
  font-family: var(--serif);
  font-style: normal;
}
.how-section {
  padding-bottom: 87px;
}
.steps {
  list-style: none;
  padding: 0;
  margin: 47px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 58px;
}
.step-number {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 15px;
  margin-bottom: 21px;
  color: var(--orange);
  font-size: 26px;
  font-family: var(--serif);
  font-style: normal;
}
.step-number .icon {
  width: 22px;
  height: 22px;
  color: #7b846d;
}
.steps h3 {
  font-size: 17px;
  letter-spacing: -0.6px;
  margin-bottom: 10px;
}
.steps p {
  font-size: 12px;
  color: var(--muted);
  max-width: 250px;
}
.steps code {
  font-size: 11px;
}
.download-section {
  background: #eeefe6;
  border: 1px solid #e2e4d5;
  border-radius: 18px;
  padding: 56px 43px 31px;
  scroll-margin-top: 100px;
}
.download-heading {
  text-align: center;
}
.download-heading .eyebrow {
  margin-bottom: 16px;
}
.download-heading h2 {
  font-size: 63px;
  line-height: 1.1;
}
.download-heading h2 em {
  color: var(--orange);
  font-size: 1em;
}
.download-heading > p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 16px;
}
.version-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: #818773;
  margin-top: 17px;
}
.version-link .icon {
  width: 12px;
  height: 12px;
}
.version-link:hover {
  color: var(--orange);
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
  margin-top: 36px;
}
.download-card {
  background: var(--paper);
  border: 1px solid #d9ddce;
  border-radius: 11px;
  padding: 25px 23px 21px;
}
.download-card.is-recommended {
  border-color: var(--orange);
}
.os-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 23px;
}
.os-icon {
  width: 26px;
  height: 26px;
  stroke-width: 1.5;
}
.recommended {
  font-size: 6.5px;
  letter-spacing: 0.6px;
  color: var(--orange);
  border: 1px solid #ffd5c2;
  background: #fff3e9;
  padding: 5px 6px;
  border-radius: 4px;
  white-space: nowrap;
}
.download-card h3 {
  font-size: 25px;
  letter-spacing: -1px;
  margin-bottom: 7px;
}
.download-card > p {
  font-size: 10px;
  color: #929782;
}
.download-card > p span {
  margin-inline: 5px;
}
.os-download {
  width: 100%;
  margin-top: 24px;
  padding: 13px 15px;
  justify-content: space-between;
  font-size: 11px;
  border-radius: 6px;
  gap: 7px;
}
.os-download .icon {
  width: 15px;
  height: 15px;
}
.is-recommended .os-download {
  background: var(--orange);
}
.is-recommended .os-download:hover {
  background: #dc4304;
}
.download-alternative {
  font-size: 8px;
  color: #8e957d;
  text-align: center;
  display: block;
  margin-top: 13px;
}
.download-alternative span {
  margin-left: 2px;
}
a.download-alternative:hover {
  color: var(--orange);
}
.installation-note {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  font-size: 9px;
  color: #858d75;
  margin-top: 25px;
  line-height: 1.7;
}
.installation-note .icon {
  width: 12px;
  height: 12px;
  margin-right: 3px;
}
.installation-note a {
  margin-left: 5px;
  color: #59624e;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.faq-section {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 84px;
  padding-top: 101px;
  padding-bottom: 90px;
}
.faq-heading h2 {
  font-size: 41px;
  line-height: 1.2;
}
.faq-heading h2 em {
  font-size: 1em;
}
.faq-heading .eyebrow {
  margin-bottom: 19px;
}
.faq-heading > p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 23px;
}
.faq-heading > p a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 115px;
}
.faq-list summary {
  list-style: none;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  padding: 22px 0;
  cursor: pointer;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-plus {
  flex-shrink: 0;
  width: 13px;
  height: 13px;
  position: relative;
}
.faq-plus::before,
.faq-plus::after {
  content: "";
  position: absolute;
  background: #9ca18d;
  top: 6px;
  left: 0;
  width: 13px;
  height: 1px;
}
.faq-plus::after {
  transform: rotate(90deg);
  transition: transform 0.2s;
}
details[open] .faq-plus::after {
  transform: rotate(0);
}
details[open] summary {
  color: var(--orange);
}
.faq-answer {
  padding-bottom: 22px;
  font-size: 12px;
  color: var(--muted);
}
.faq-answer p + p {
  margin-top: 13px;
}
.faq-answer a {
  color: #58624b;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.command-block {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  background: #eaece2;
  border-radius: 6px;
  padding: 11px 12px;
  margin-block: 12px;
  font-size: 10px;
}
.command-block code {
  overflow-wrap: anywhere;
  line-height: 1.6;
}
.copy-command {
  font-size: 9px;
  background: var(--paper);
  border: 1px solid #d7dccd;
  border-radius: 4px;
  padding: 5px 8px;
  color: #69765b;
}
.copy-command:hover {
  border-color: var(--orange);
}
.open-source {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: 46px;
  display: flex;
  gap: 60px;
  align-items: center;
  justify-content: space-between;
}
.open-source > div {
  position: relative;
  padding-left: 53px;
  max-width: 690px;
}
.open-source > div > .icon {
  position: absolute;
  top: 7px;
  left: 0;
  width: 29px;
  height: 29px;
}
.open-source h2 {
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -1px;
}
.open-source h2 em {
  font-size: 1em;
}
.open-source p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 13px;
  max-width: 500px;
}
.button-outline {
  border-color: #bec4b2;
  background: transparent;
  font-size: 11px;
  border-radius: 7px;
  padding: 14px 19px;
}
.button-outline .icon {
  width: 15px;
  height: 15px;
}
.button-outline:hover {
  border-color: var(--ink);
}
.site-footer {
  padding-top: 38px;
  padding-bottom: 23px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 30px;
}
.footer-top .wordmark {
  font-size: 22px;
}
.footer-top .brand-icon {
  width: 27px;
  height: 27px;
  border-radius: 7px;
}
.footer-top .brand-icon svg {
  width: 23px;
}
.footer-top > span {
  font-family: var(--serif);
  font-style: normal;
  color: #8a937d;
  font-size: 21px;
}
.back-top {
  font-size: 10px;
  color: #77816a;
}
.back-top:hover {
  color: var(--orange);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  font-size: 8px;
  color: #9ca18f;
  padding-top: 17px;
  border-top: 1px solid var(--line);
}
.footer-bottom > span > span {
  margin-inline: 6px;
}
.footer-bottom > div {
  display: flex;
  gap: 24px;
}
.footer-bottom a:hover {
  color: var(--orange);
}
@media (min-width: 1600px) {
  .hero {
    padding-top: 100px;
    padding-bottom: 80px;
  }
}
@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .navigation {
    gap: 20px;
  }
  .nav-links {
    gap: 21px;
  }
  .hero {
    grid-template-columns: 1.3fr 1fr;
    padding-top: 65px;
    padding-bottom: 42px;
  }
  h1 {
    font-size: 7.1vw;
  }
  .hero-art {
    height: 430px;
    margin-left: -55px;
  }
  .terrain-art {
    width: 490px;
    height: 490px;
  }
  .map-coordinate {
    right: -5px;
  }
  .route-stat {
    bottom: 65px;
    right: -7px;
    padding: 13px;
  }
  .route-stat strong {
    font-size: 14px;
  }
  .map-caption {
    display: none;
  }
  .hero-description {
    font-size: 14px;
    max-width: 390px;
  }
  .hero-actions {
    gap: 18px;
  }
  .hero-actions .button {
    padding: 15px 18px;
    font-size: 12px;
    gap: 15px;
  }
  .hero-actions .text-link {
    font-size: 11px;
  }
  .trust-row {
    gap: 35px;
  }
  .section-heading h2 {
    font-size: 45px;
  }
  .feature-body {
    padding: 22px 19px;
  }
  .feature-body h3 {
    font-size: 16px;
  }
  .feature-body p {
    font-size: 11px;
    min-height: 95px;
  }
  .feature-tags span {
    font-size: 7px;
  }
  .formula-line {
    gap: 8px;
  }
  .formula-line > span {
    padding: 9px 11px;
  }
  .feature-visual {
    height: 185px;
  }
  .download-section {
    padding-inline: 27px;
  }
  .download-card {
    padding: 20px 17px;
  }
  .download-alternative {
    font-size: 7px;
  }
  .faq-section {
    gap: 45px;
  }
  .privacy-inner {
    gap: 30px;
  }
  .privacy-art {
    transform: scale(0.9);
  }
}
@media (max-width: 800px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .navigation {
    height: 61px;
    padding: 0 14px;
  }
  .wordmark {
    font-size: 23px;
  }
  .brand-icon {
    width: 29px;
    height: 29px;
  }
  .nav-links {
    gap: 16px;
    font-size: 11px;
  }
  .nav-download {
    font-size: 10px;
    padding: 10px 12px;
    gap: 9px;
  }
  .hero {
    padding-top: 51px;
    padding-bottom: 38px;
    min-height: 480px;
    grid-template-columns: 1.25fr 1fr;
  }
  .release-pill {
    font-size: 9px;
    margin-bottom: 21px;
    padding: 6px 9px;
  }
  .hero-description {
    font-size: 12px;
    max-width: 330px;
    margin-top: 24px;
  }
  .hero-actions {
    margin-top: 25px;
    gap: 15px;
  }
  .hero-actions .button {
    font-size: 11px;
    padding: 14px;
    gap: 10px;
  }
  .hero-actions .text-link {
    font-size: 10px;
    gap: 7px;
  }
  .hero-art {
    height: 380px;
    margin-left: -65px;
  }
  .terrain-art {
    width: 430px;
    height: 430px;
    left: -20px;
  }
  .map-coordinate {
    font-size: 7px;
    right: -2px;
    top: 35px;
  }
  .route-stat {
    right: -5px;
    bottom: 65px;
    padding: 10px;
    gap: 8px;
  }
  .route-stat strong {
    font-size: 11px;
  }
  .route-stat div > span {
    font-size: 6px;
  }
  .route-stat-icon {
    width: 30px;
    height: 30px;
  }
  .map-scale {
    bottom: 17px;
    left: 90px;
    font-size: 7px;
  }
  .platform-note {
    font-size: 9px;
  }
  .preview-shell {
    padding: 10px;
  }
  .trust-row {
    font-size: 9px;
    gap: 25px;
    padding-bottom: 30px;
  }
  .section-space {
    padding-block: 75px;
  }
  .section-heading h2 {
    font-size: 37px;
  }
  .section-heading > p {
    font-size: 11px;
  }
  .eyebrow {
    font-size: 8px;
    margin-bottom: 19px;
  }
  .feature-grid {
    gap: 11px;
  }
  .feature-visual {
    height: 155px;
  }
  .feature-body {
    padding: 21px 15px;
  }
  .feature-body h3 {
    font-size: 15px;
  }
  .feature-body p {
    font-size: 10px;
    min-height: 112px;
  }
  .feature-tags {
    gap: 4px;
  }
  .chart-visual,
  .formula-visual {
    padding: 20px 16px;
  }
  .mini-bars {
    height: 80px;
    gap: 6px;
  }
  .visual-heading {
    font-size: 6px;
  }
  .visual-baseline {
    font-size: 6px;
  }
  .formula-top {
    font-size: 6px;
    letter-spacing: 0.4px;
  }
  .formula-line {
    font-size: 8px;
    gap: 6px;
    margin-top: 22px;
  }
  .formula-line > span {
    padding: 8px;
  }
  .formula-result {
    font-size: 8px;
    margin-top: 15px;
  }
  .formula-result svg {
    width: 62px;
  }
  .map-visual-label {
    font-size: 5px;
    left: 12px;
  }
  .privacy-inner {
    padding-block: 55px;
    gap: 10px;
  }
  .privacy-copy h2 {
    font-size: 52px;
  }
  .privacy-copy p {
    font-size: 11px;
  }
  .privacy-art {
    transform: scale(0.72);
    transform-origin: center;
    margin-left: -20px;
    margin-right: -20px;
  }
  .privacy-copy .text-link {
    font-size: 8px;
    gap: 5px;
  }
  .steps {
    gap: 30px;
    margin-top: 38px;
  }
  .steps h3 {
    font-size: 14px;
  }
  .steps p {
    font-size: 10px;
  }
  .download-section {
    padding: 44px 21px 27px;
  }
  .download-heading h2 {
    font-size: 52px;
  }
  .download-heading > p {
    font-size: 11px;
  }
  .download-grid {
    gap: 12px;
  }
  .download-card {
    padding: 19px 15px;
  }
  .download-card h3 {
    font-size: 22px;
  }
  .download-card > p {
    font-size: 8px;
  }
  .os-download {
    font-size: 9px;
    padding: 12px 10px;
  }
  .recommended {
    font-size: 5px;
    padding: 4px;
  }
  .download-alternative {
    font-size: 6px;
  }
  .installation-note {
    font-size: 8px;
  }
  .faq-section {
    grid-template-columns: 1fr 1.7fr;
    gap: 30px;
  }
  .faq-heading h2 {
    font-size: 32px;
  }
  .faq-heading > p {
    font-size: 10px;
  }
  .faq-list summary {
    font-size: 11px;
    padding: 20px 0;
  }
  .faq-answer {
    font-size: 11px;
  }
  .open-source {
    gap: 25px;
  }
  .open-source h2 {
    font-size: 25px;
  }
  .open-source p {
    font-size: 10px;
  }
  .open-source > div {
    padding-left: 44px;
  }
  .button-outline {
    font-size: 9px;
    gap: 9px;
    padding: 13px;
  }
  .footer-top > span {
    font-size: 17px;
  }
  .footer-bottom {
    font-size: 7px;
  }
  .footer-bottom > div {
    gap: 14px;
  }
}
@media (max-width: 1000px) {
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 20px;
    right: 20px;
    padding: 17px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 15px 25px #2327200a;
    align-items: flex-start;
    font-size: 14px;
  }
  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .nav-download {
    margin-left: auto;
  }
  .menu-toggle {
    display: block;
  }
}
@media (max-width: 640px) {
  html {
    scroll-padding-top: 90px;
  }
  .site-header {
    padding-top: 12px;
  }
  .navigation {
    height: 58px;
    border-radius: 12px;
    gap: 12px;
    padding-left: 13px;
  }
  .wordmark {
    font-size: 22px;
  }
  .nav-download {
    padding: 9px 11px;
    font-size: 9px;
  }
  .nav-download .icon {
    width: 13px;
    height: 13px;
  }
  .hero {
    display: block;
    min-height: 0;
    padding-top: 49px;
    padding-bottom: 15px;
  }
  .hero-copy {
    text-align: center;
  }
  .release-pill {
    margin-bottom: 25px;
    font-size: 9px;
  }
  h1 {
    font-size: clamp(45px, 10.5vw, 67px);
    line-height: 1.04;
  }
  .hero-description {
    font-size: 12px;
    max-width: 360px;
    margin: 23px auto 0;
    padding-inline: 7px;
  }
  .hero-actions {
    justify-content: center;
    margin-top: 25px;
    gap: 20px;
  }
  .hero-actions .button {
    font-size: 11px;
    padding: 14px 16px;
  }
  .hero-actions .text-link {
    font-size: 10px;
  }
  .platform-note {
    font-size: 8px;
    margin-top: 12px;
  }
  .hero-art {
    height: 260px;
    margin: 9px auto -5px;
    max-width: 370px;
  }
  .terrain-art {
    width: 370px;
    height: 370px;
    left: 0;
    top: -35px;
  }
  .route-stat {
    bottom: 32px;
    right: 8px;
    transform: rotate(-4deg);
  }
  .map-coordinate {
    top: 37px;
    right: 25px;
    font-size: 7px;
  }
  .map-scale {
    bottom: 19px;
    left: 36px;
  }
  .section-rule {
    font-size: 7px;
    margin-bottom: 11px;
  }
  .section-rule h2 {
    font-size: 7px;
    letter-spacing: 1px;
  }
  .section-rule > span {
    font-size: 8px;
    gap: 5px;
  }
  .preview-shell {
    padding: 7px;
    border-radius: 11px;
    overflow: hidden;
  }
  .preview-instruction {
    font-size: 9px;
    margin-top: 13px;
  }
  .trust-row {
    margin-top: 20px;
    gap: 13px;
    font-size: 7px;
    padding-bottom: 24px;
    flex-wrap: wrap;
  }
  .trust-row > span {
    gap: 4px;
  }
  .trust-row .icon {
    width: 11px;
    height: 11px;
  }
  .section-space {
    padding-block: 57px;
  }
  .section-heading {
    display: block;
    margin-bottom: 29px;
  }
  .section-heading h2 {
    font-size: 38px;
  }
  .section-heading > p {
    margin-top: 18px;
    font-size: 11px;
    max-width: none;
  }
  .section-heading > p br {
    display: none;
  }
  .eyebrow {
    font-size: 7px;
    margin-bottom: 17px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .feature-card {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
  }
  .feature-visual {
    height: 182px;
  }
  .feature-body {
    padding: 22px;
  }
  .feature-body h3 {
    font-size: 20px;
  }
  .feature-body p {
    font-size: 12px;
    min-height: 0;
    margin-top: 11px;
  }
  .feature-number {
    margin-bottom: 12px;
  }
  .feature-tags span {
    font-size: 8px;
  }
  .feature-tags {
    margin-top: 18px;
  }
  .chart-visual,
  .formula-visual {
    padding: 22px 26px;
  }
  .visual-heading {
    font-size: 8px;
  }
  .mini-bars {
    height: 103px;
    gap: 10px;
  }
  .mini-bars i {
    max-width: none;
  }
  .visual-baseline {
    font-size: 8px;
  }
  .formula-top {
    font-size: 8px;
  }
  .formula-line {
    font-size: 12px;
    margin-top: 27px;
    gap: 12px;
  }
  .formula-line > span {
    padding: 10px 17px;
  }
  .formula-result {
    font-size: 10px;
    margin-top: 17px;
  }
  .formula-result svg {
    width: 100px;
  }
  .map-visual-label {
    font-size: 7px;
    left: 20px;
  }
  .feature-footnote {
    font-size: 10px;
    padding-inline: 20px;
  }
  .privacy-inner {
    display: block;
    padding-block: 48px;
  }
  .privacy-copy h2 {
    font-size: 57px;
  }
  .privacy-copy p {
    font-size: 12px;
    max-width: 320px;
  }
  .privacy-copy .text-link {
    font-size: 10px;
    gap: 7px;
  }
  .privacy-art {
    height: 290px;
    transform: scale(0.82);
    margin-top: 19px;
    margin-bottom: -20px;
  }
  .chip-tcx {
    left: 12px;
  }
  .chip-fit {
    right: -5px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 29px;
  }
  .steps li {
    position: relative;
    padding-left: 55px;
  }
  .step-number {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    border: 0;
    font-size: 30px;
    margin: 0;
  }
  .step-number .icon {
    display: none;
  }
  .steps h3 {
    font-size: 17px;
    margin-bottom: 7px;
  }
  .steps p {
    font-size: 12px;
    max-width: none;
  }
  .download-section {
    padding: 40px 18px 25px;
  }
  .download-heading h2 {
    font-size: 38px;
  }
  .download-heading > p {
    font-size: 11px;
    padding-inline: 5px;
  }
  .download-grid {
    grid-template-columns: 1fr;
    margin-top: 29px;
    gap: 14px;
  }
  .download-card {
    padding: 24px;
  }
  .download-card h3 {
    font-size: 26px;
  }
  .os-heading {
    margin-bottom: 16px;
  }
  .os-icon {
    width: 27px;
    height: 27px;
  }
  .recommended {
    font-size: 7px;
    padding: 5px 7px;
  }
  .download-card > p {
    font-size: 10px;
  }
  .os-download {
    font-size: 12px;
    padding: 14px 17px;
    margin-top: 21px;
  }
  .download-alternative {
    font-size: 9px;
    margin-top: 13px;
  }
  .installation-note {
    font-size: 8px;
    text-align: center;
    display: block;
    margin-top: 20px;
  }
  .installation-note .icon {
    margin-right: 3px;
  }
  .installation-note a {
    display: inline-block;
  }
  .faq-section {
    display: block;
  }
  .faq-heading h2 {
    font-size: 38px;
  }
  .faq-heading > p {
    font-size: 11px;
    margin-top: 17px;
  }
  .faq-list {
    margin-top: 29px;
  }
  .faq-list summary {
    font-size: 12px;
    padding: 22px 0;
  }
  .faq-answer {
    font-size: 12px;
  }
  .open-source {
    display: block;
    padding-block: 32px;
  }
  .open-source > div {
    padding-left: 0;
  }
  .open-source > div > .icon {
    position: static;
    width: 25px;
    height: 25px;
    margin-bottom: 16px;
  }
  .open-source h2 {
    font-size: 29px;
  }
  .open-source p {
    font-size: 11px;
    margin-top: 15px;
  }
  .open-source .button {
    margin-top: 23px;
    font-size: 10px;
    padding: 13px 17px;
    gap: 20px;
  }
  .site-footer {
    padding-top: 29px;
  }
  .footer-top {
    flex-wrap: wrap;
    padding-bottom: 21px;
    gap: 15px;
  }
  .footer-top > span {
    order: 3;
    width: 100%;
    font-size: 18px;
  }
  .footer-bottom {
    display: block;
    font-size: 8px;
    padding-top: 15px;
  }
  .footer-bottom > div {
    gap: 19px;
    margin-top: 15px;
    flex-wrap: wrap;
  }
  .back-top {
    font-size: 9px;
  }
  .command-block {
    font-size: 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
/* Keep small labels readable on the warm paper surfaces. */
:root {
  --muted: #69735b;
}
.hero {
  padding-block: 65px 40px;
}
.button-orange,
.is-recommended .os-download {
  background: #d34000;
}
.button-orange:hover,
.is-recommended .os-download:hover {
  background: #c53b00;
}
.feature-body p {
  font-size: 14px;
  min-height: 100px;
}
.steps p,
.section-heading > p,
.faq-answer {
  font-size: 14px;
}
.download-heading > p {
  font-size: 14px;
}
.faq-list summary {
  font-size: 14px;
}
.steps h3 {
  font-size: 18px;
}
.download-card > p {
  font-size: 12px;
  color: #6b735e;
}
.download-alternative {
  font-size: 10px;
  color: #69735b;
}
.installation-note {
  font-size: 10px;
  color: #687257;
}
.version-link,
.preview-instruction,
.section-rule,
.route-stat div > span,
.feature-tags span,
.footer-bottom,
.back-top {
  color: #69735b;
}
.footer-bottom {
  font-size: 10px;
}
.feature-number,
.recommended {
  color: #ae3c09;
}
.recommended {
  font-size: 7px;
}
.privacy-copy .eyebrow {
  color: #b0bea0;
}
.privacy-art-note {
  color: #b0bea0;
}
.open-source p {
  font-size: 13px;
}
@media (max-width: 1100px) {
  .hero {
    padding-block: 55px 35px;
  }
  .feature-body p {
    font-size: 12px;
    min-height: 110px;
  }
  .feature-body h3 {
    font-size: 17px;
  }
  .section-heading > p {
    font-size: 13px;
  }
  .download-alternative {
    font-size: 9px;
  }
  .recommended {
    font-size: 6px;
  }
  .footer-bottom {
    font-size: 9px;
  }
}
@media (max-width: 800px) {
  .hero {
    padding-block: 45px 28px;
  }
  .feature-body p {
    font-size: 11px;
    min-height: 130px;
  }
  .feature-body h3 {
    font-size: 15px;
  }
  .steps p,
  .faq-answer {
    font-size: 12px;
  }
  .download-card > p {
    font-size: 10px;
  }
  .download-alternative {
    font-size: 8px;
  }
  .os-download {
    font-size: 10px;
  }
  .recommended {
    font-size: 5px;
  }
  .section-heading > p {
    font-size: 12px;
  }
  .footer-bottom {
    font-size: 8px;
  }
}
@media (max-width: 640px) {
  .hero {
    padding-block: 49px 15px;
  }
  .feature-body p {
    font-size: 13px;
    min-height: 0;
  }
  .feature-body h3 {
    font-size: 20px;
  }
  .steps p,
  .faq-answer {
    font-size: 13px;
  }
  .recommended {
    font-size: 7px;
  }
  .download-alternative {
    font-size: 10px;
  }
  .download-card > p {
    font-size: 12px;
  }
  .download-heading > p {
    font-size: 12px;
  }
  .os-download {
    font-size: 12px;
  }
  .installation-note {
    font-size: 10px;
  }
  .open-source p {
    font-size: 12px;
  }
  .faq-list summary {
    font-size: 13px;
  }
  .footer-bottom {
    font-size: 9px;
  }
}

@media (max-width: 640px) {
  .hero-art {
    height: 285px;
  }
}
@media (max-width: 800px) {
  .hero-art .terrain-art {
    width: min(430px, calc(100% + 20px));
    height: auto;
  }
}
@media (max-width: 640px) {
  .hero-art .terrain-art {
    width: 100%;
    max-width: 370px;
    height: auto;
    top: -20px;
  }
}
@media (max-width: 360px) {
  .navigation {
    gap: 8px;
    padding-inline: 10px;
  }
  .navigation .wordmark {
    font-size: 19px;
  }
  .navigation .brand-icon {
    width: 25px;
    height: 25px;
    margin-right: 7px;
  }
  .navigation .brand-icon svg {
    width: 22px;
  }
  .nav-download {
    font-size: 8px;
    gap: 6px;
    padding-inline: 9px;
  }
  .menu-toggle {
    padding: 5px;
  }
  .hero-actions {
    gap: 15px;
  }
  .hero-actions .button {
    font-size: 10px;
    padding: 13px;
  }
  .hero-actions .text-link {
    font-size: 9px;
  }
}