:root {
  color-scheme: dark;
  --bg: #10110f;
  --panel: #171915;
  --ink: #f3f4ef;
  --muted: #a5a99e;
  --line: #30332d;
  --accent: #c6f432;
  --max: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
  border-radius: 4px;
}

.wrap {
  width: min(var(--max), calc(100% - 64px));
  margin-inline: auto;
}

.topbar {
  height: 76px;
  border-bottom: 1px solid #ffffff12;
  display: flex;
  align-items: center;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .18em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  color: #d3d6cb;
  font-size: 14px;
  text-decoration: none;
}

.nav-links a:hover,
.text-link:hover,
.footer-links a:hover { color: var(--accent); }

.nav-links .nav-contact {
  min-height: 44px;
  padding: 8px 17px;
  border: 1px solid #45483f;
  border-radius: 99px;
  display: inline-flex;
  align-items: center;
}

.intro {
  min-height: 420px;
  padding-block: 58px 64px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
}

.copy { max-width: 650px; }

.eyebrow,
.app-kind {
  margin: 0;
  color: var(--accent);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.intro h1 {
  margin: 19px 0 20px;
  font-size: clamp(54px, 6vw, 76px);
  font-weight: 740;
  line-height: .99;
  letter-spacing: -.04em;
}

.intro-text {
  max-width: 480px;
  margin: 0;
  color: #b8bcb2;
  font-size: 18px;
  line-height: 1.65;
}

.button {
  min-height: 48px;
  margin-top: 26px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--accent); color: #171a12; }

.mark {
  height: 255px;
  display: grid;
  place-items: center;
  position: relative;
  isolation: isolate;
}

.mark::before,
.mark::after {
  content: "";
  position: absolute;
  z-index: -1;
  aspect-ratio: 1;
  border: 1px solid #c6f43224;
  border-radius: 50%;
}

.mark::before {
  width: min(23vw, 260px);
  background: radial-gradient(circle, #c6f43212, transparent 68%);
  box-shadow: 0 0 0 30px #c6f43206;
}

.mark::after {
  width: min(17vw, 188px);
  border-color: #c6f43235;
}

.mark-core {
  width: 112px;
  height: 112px;
  border: 1px solid #d5f96770;
  border-radius: 33px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #20241b, #171a15);
  box-shadow: 0 20px 50px #0008;
  transform: rotate(-8deg);
}

.mark-core span {
  color: var(--accent);
  font-size: 56px;
  font-weight: 650;
  letter-spacing: -.08em;
  transform: rotate(8deg);
}

.mark-caption {
  position: absolute;
  bottom: 2px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.apps-section {
  padding: 53px 0 64px;
  border-block: 1px solid #ffffff12;
  background: #131411;
}

.section-heading {
  margin-bottom: 24px;
  display: flex;
  align-items: end;
  justify-content: space-between;
}

.section-heading h2,
.support h2,
.principles h2 {
  margin: 8px 0 0;
  font-size: clamp(36px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -.035em;
}

.section-note {
  margin: 0 0 4px;
  color: var(--muted);
}

.app-card {
  min-width: 0;
  padding: 24px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  align-items: center;
  border: 1px solid #ffffff12;
  border-radius: 20px;
  background: var(--panel);
}

.feature-copy { min-width: 0; }

.card-top {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.app-icon {
  flex: none;
  border-radius: 15px;
}

.app-kind {
  color: #b7bcaa;
  font-size: 10px;
  letter-spacing: .13em;
}

.app-title h3 {
  margin: 3px 0 0;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: -.025em;
}

.app-description {
  max-width: 52ch;
  margin: 17px 0 14px;
  color: #b8bcb2;
  line-height: 1.6;
}

.feature-points {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  color: #d9ddd1;
  font-size: 14px;
  list-style: none;
}

.feature-points li {
  position: relative;
  padding-left: 18px;
}

.feature-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  position: absolute;
  top: .65em;
  left: 0;
  border-radius: 50%;
  background: var(--accent);
}

.purchase-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.purchase-note strong { color: var(--ink); }

.app-shot {
  max-height: 560px;
  margin: 0;
  display: flex;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #ffffff14;
  border-radius: 13px;
  background: linear-gradient(145deg, #191b17, #141612);
}

.app-shot img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 560px;
  display: block;
  object-fit: contain;
  object-position: top;
}

.card-bottom {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 14px;
}

.status {
  padding: 5px 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #393d34;
  border-radius: 99px;
  color: #d3d6cb;
  font-size: 12px;
  white-space: nowrap;
}

.status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px #c6f43255;
}

.text-link {
  color: #bec2b8;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.training-section { padding-block: 64px 72px; }

.training-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.training-card {
  min-height: 290px;
  padding: 23px 22px 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid #ffffff13;
  border-radius: 18px;
  background: linear-gradient(145deg, #191b17, #141612);
}

.training-shot {
  display: block;
  width: min(100%, 290px);
  height: auto;
  margin: 24px auto 0;
  border: 1px solid #ffffff14;
  border-radius: 14px;
}

.mode-number {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #a5a99e;
  font-size: 11px;
  letter-spacing: .12em;
}

.mode-icon {
  width: 45px;
  height: 45px;
  margin-bottom: 20px;
  fill: none;
  stroke: #c8cdc0;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.mode-icon .icon-accent {
  stroke: var(--accent);
  stroke-width: 2.5;
}

.mode-icon .icon-accent-fill { fill: var(--accent); stroke: none; }

.training-card h3 {
  margin: 7px 0 9px;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: -.025em;
}

.training-card > p:not(.app-kind) {
  margin: 0;
  color: #b8bcb2;
  font-size: 14px;
  line-height: 1.6;
}

.mode-detail {
  margin-top: auto;
  padding-top: 17px;
  color: #d6dbcb;
  font-size: 12px;
}

.mode-detail::before {
  content: "";
  width: 5px;
  height: 5px;
  margin: 0 8px 2px 0;
  display: inline-block;
  border-radius: 50%;
  background: var(--accent);
}

.principles {
  padding-block: 53px 58px;
  border-block: 1px solid #ffffff12;
  background: #131411;
}

.principles-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.principles h2 { margin-top: 11px; }

.principles-copy {
  max-width: 500px;
  color: #b8bcb2;
  font-size: 16px;
}

.principles-copy p { margin: 0; }
.principles-copy p + p { margin-top: 13px; }

.support {
  padding-block: 57px 62px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.support h2 { margin: 9px 0; }

.support p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
}

.email {
  padding-bottom: 5px;
  justify-self: end;
  border-bottom: 1px solid #666d58;
  font-size: clamp(23px, 3vw, 36px);
  letter-spacing: -.03em;
  text-decoration: none;
  white-space: nowrap;
}

.email span {
  color: var(--accent);
  font-size: .7em;
}

.email:hover {
  color: var(--accent);
  border-color: var(--accent);
}

footer {
  padding: 22px 0 28px;
  border-top: 1px solid #ffffff12;
  color: #9da196;
  font-size: 12px;
}

.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.foot strong {
  color: #e6e8e0;
  font-size: 11px;
  letter-spacing: .1em;
}

.footer-links { display: flex; gap: 18px; }
.footer-links a { color: #b6baaf; text-underline-offset: 3px; }

@media (max-width: 800px) {
  .wrap { width: min(100% - 40px, var(--max)); }
  .intro {
    min-height: 0;
    padding-block: 60px 50px;
    grid-template-columns: 1fr .65fr;
    gap: 15px;
  }
  .intro h1 { font-size: clamp(48px, 8vw, 68px); }
  .intro-text { font-size: 17px; }
  .mark { height: 210px; }
  .app-card { padding: 18px; grid-template-columns: 1fr; gap: 16px; }
  .app-title h3 { font-size: 19px; }
  .app-shot { max-height: 520px; }
  .app-shot img { max-height: 520px; }
  .card-bottom { align-items: flex-start; flex-direction: column; }
  .training-section { padding-block: 52px 58px; }
  .training-grid { gap: 12px; }
  .training-card { min-height: 310px; padding: 19px 17px; }
  .training-card h3 { font-size: 19px; }
  .support { padding-block: 50px; }
  .email { font-size: clamp(20px, 3.5vw, 29px); }
}

@media (max-width: 600px) {
  .wrap { width: calc(100% - 36px); }
  .topbar { height: 68px; }
  .brand { font-size: 13px; letter-spacing: .12em; }
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 13px; }
  .nav-links .nav-contact { padding-inline: 12px; }
  .intro {
    padding-block: 54px 38px;
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .intro h1 { font-size: clamp(52px, 12vw, 68px); }
  .mark { display: none; }
  .copy { grid-row: 1; }
  .intro-text { max-width: 440px; }
  .button { margin-top: 20px; }
  .apps-section { padding: 43px 0 48px; }
  .section-heading {
    margin-bottom: 18px;
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }
  .section-heading h2 { font-size: 39px; }
  .section-note { font-size: 14px; }
  .app-card { padding: 18px; border-radius: 17px; }
  .card-top { gap: 13px; }
  .app-title h3 { font-size: 20px; }
  .app-description { margin: 12px 0 14px; }
  .feature-points { font-size: 13px; }
  .purchase-note { margin-top: 13px; }
  .app-shot { max-height: none; }
  .app-shot img { width: 100%; max-height: none; }
  .card-bottom { flex-direction: row; align-items: center; }
  .text-link { font-size: 11px; }
  .training-section { padding-block: 44px 50px; }
  .training-grid { grid-template-columns: 1fr; gap: 12px; }
  .training-card { min-height: 0; padding: 20px; }
  .mode-icon { margin-bottom: 14px; }
  .mode-detail { padding-top: 12px; }
  .principles { padding-block: 44px 46px; }
  .principles-inner { grid-template-columns: 1fr; gap: 20px; }
  .principles h2 { font-size: 38px; }
  .principles-copy { font-size: 15px; }
  .support {
    padding-block: 46px 50px;
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .support h2 { font-size: 39px; }
  .email { justify-self: start; font-size: clamp(23px, 6vw, 31px); }
  .foot { align-items: flex-start; flex-wrap: wrap; }
  .footer-links { width: 100%; flex-direction: column; gap: 8px; }
  .foot > span { width: 100%; }
}

@media (max-width: 360px) {
  .wrap { width: calc(100% - 30px); }
  .nav-links a:first-child { display: none; }
  .nav-links { gap: 8px; }
  .nav-links .nav-contact { padding-inline: 12px; }
  .intro h1 { font-size: 50px; }
  .app-card { padding: 15px; }
  .card-bottom { align-items: flex-start; flex-direction: column; }
  .email { font-size: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after { transition: none !important; animation: none !important; }
}