:root {
  color-scheme: dark;
  --navy-950: #020b13;
  --navy-900: #061523;
  --navy-850: #081d2e;
  --navy-800: #0b2941;
  --surface: #111b22;
  --surface-raised: #172229;
  --surface-soft: rgba(255, 255, 255, 0.045);
  --line: rgba(192, 218, 235, 0.17);
  --line-strong: rgba(192, 218, 235, 0.28);
  --text: #f5f8fa;
  --muted: #9aabb7;
  --cyan: #28b8ee;
  --cyan-bright: #53cefa;
  --blue: #188fc5;
  --green: #38d58a;
  --orange: #ff8849;
  --violet: #a74ce9;
  --red: #ef516d;
  --radius: 26px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --shell: min(1400px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 82% 8%, rgba(18, 91, 140, 0.18), transparent 28rem),
    var(--navy-950);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-150%);
  border-radius: 10px;
  background: var(--cyan);
  color: #00111c;
  font-weight: 700;
  text-decoration: none;
}

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

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 13px;
  color: var(--text);
  font-size: 1.28rem;
  font-weight: 520;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 9px;
}

.footer-links a {
  color: #c1ccd3;
  text-decoration: none;
  transition: color 160ms ease;
}

.footer-links a:hover {
  color: var(--cyan-bright);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 650;
  line-height: 1;
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

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

.button-primary {
  min-width: 245px;
  background: linear-gradient(135deg, #229ed6, #35c7f8);
  box-shadow: 0 16px 38px rgba(34, 158, 214, 0.22);
  color: #02111a;
}

.button-primary:hover {
  box-shadow: 0 20px 44px rgba(34, 158, 214, 0.3);
}

.hero {
  position: relative;
  display: grid;
  min-height: 840px;
  overflow: hidden;
  border-bottom: 1px solid rgba(194, 221, 237, 0.08);
  background:
    linear-gradient(90deg, rgba(3, 12, 21, 0.93) 0%, rgba(3, 15, 26, 0.72) 46%, rgba(3, 15, 26, 0.36) 100%),
    linear-gradient(180deg, #051320 0%, #03101b 72%, #020b13 100%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(63, 172, 228, 0.11);
  border-radius: 50%;
  pointer-events: none;
}

.hero::before {
  width: 680px;
  height: 680px;
  right: -280px;
  top: -300px;
}

.hero::after {
  width: 420px;
  height: 420px;
  left: -210px;
  bottom: -250px;
}

.hero-glow {
  position: absolute;
  z-index: 0;
  top: 15%;
  right: 4%;
  width: 46vw;
  height: 66%;
  border-radius: 50%;
  background: rgba(24, 143, 197, 0.18);
  filter: blur(90px);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(370px, 0.88fr) minmax(640px, 1.3fr);
  align-items: center;
  gap: clamp(30px, 4vw, 72px);
  padding-top: 84px;
}

.hero-copy {
  align-self: center;
  max-width: 620px;
  padding-bottom: 42px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan-bright);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  letter-spacing: -0.045em;
  line-height: 1.05;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(3.6rem, 6.1vw, 6.1rem);
  font-weight: 430;
}

h1 span {
  color: #fbfdff;
}

.hero-lede {
  max-width: 565px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: clamp(1.12rem, 1.7vw, 1.36rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
}

.text-action {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--cyan-bright);
  font-weight: 650;
  text-decoration: none;
}

.play-icon,
.tour-play {
  position: relative;
  display: inline-grid;
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 50%;
}

.play-icon::after,
.tour-play::after {
  content: "";
  width: 0;
  height: 0;
  margin-left: 4px;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid var(--cyan-bright);
}

.platform-note {
  margin: 24px 0 0;
  color: #748995;
  font-size: 0.85rem;
  letter-spacing: 0.025em;
}

.device-stage {
  position: relative;
  align-self: end;
  height: 720px;
  min-width: 640px;
  isolation: isolate;
}

.device-stage::after {
  content: "";
  position: absolute;
  z-index: -2;
  right: 3%;
  bottom: 1.5%;
  width: 94%;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.72);
  filter: blur(19px);
}

.device-aura {
  position: absolute;
  z-index: -3;
  border-radius: 50%;
  filter: blur(50px);
}

.device-aura-one {
  top: 12%;
  left: 21%;
  width: 54%;
  height: 54%;
  background: rgba(40, 184, 238, 0.13);
}

.device-aura-two {
  right: 0;
  bottom: 8%;
  width: 35%;
  height: 36%;
  background: rgba(43, 110, 154, 0.16);
}

.phone {
  position: absolute;
  margin: 0;
  padding: 7px;
  border: 2px solid #a9b5c0;
  border-radius: 13.2% / 6.1%;
  background: linear-gradient(150deg, #d4dce2 0%, #3e4952 13%, #0d1115 36%, #9ba7b1 100%);
  box-shadow:
    inset 0 0 0 2px #151b20,
    inset 0 0 0 4px rgba(225, 233, 239, 0.24),
    var(--shadow);
}

.phone::before,
.phone::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 4px;
  border-radius: 4px 0 0 4px;
  background: #8b98a3;
}

.phone::before {
  top: 25%;
  left: -5px;
  height: 52px;
}

.phone::after {
  top: 36%;
  left: -5px;
  height: 70px;
}

.phone-screen {
  overflow: hidden;
  border: 4px solid #03070b;
  border-radius: 11.6% / 5.25%;
  background: #0d1215;
}

.phone-screen img {
  display: block;
  width: 100%;
  height: auto;
}

.phone-main {
  z-index: 3;
  right: 27%;
  bottom: -3.5%;
  width: 300px;
  transform: rotate(0.6deg);
}

.phone-side {
  z-index: 2;
  bottom: -3%;
  width: 256px;
  opacity: 0.98;
}

.phone-practice {
  left: 2%;
  transform: rotate(-5.5deg) translateY(34px);
}

.phone-summary {
  right: 1%;
  transform: rotate(5deg) translateY(42px);
}

.feature-strip {
  position: relative;
  z-index: 6;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: -26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(6, 18, 29, 0.93);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(20px);
}

.strip-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 17px;
  min-height: 136px;
  padding: 30px 28px;
}

.strip-item + .strip-item {
  border-left: 1px solid var(--line);
}

.strip-item h2 {
  margin-bottom: 7px;
  font-size: 1.03rem;
  letter-spacing: -0.02em;
}

.strip-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.45;
}

.strip-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 14px;
  font-size: 1.65rem;
}

.strip-icon-cyan { color: var(--cyan-bright); }
.strip-icon-blue { color: #31aee8; }
.strip-icon-violet { color: var(--violet); }
.strip-icon-green { color: var(--green); }

.section {
  padding: 150px 0 90px;
}

.centered-copy {
  max-width: 900px;
  text-align: center;
}

.centered-copy h2,
.section-heading h2,
.product-copy h2,
.tour-copy h2,
.download-grid h2 {
  margin-bottom: 24px;
  font-size: clamp(2.5rem, 4.8vw, 4.6rem);
  font-weight: 470;
}

.centered-copy > p:last-child {
  max-width: 700px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.16rem;
}

.product-row {
  display: grid;
  grid-template-columns: minmax(380px, 0.86fr) minmax(420px, 1fr);
  align-items: center;
  gap: clamp(70px, 9vw, 150px);
  min-height: 850px;
  padding-top: 70px;
  padding-bottom: 120px;
}

.product-row-reverse {
  grid-template-columns: minmax(420px, 1fr) minmax(380px, 0.86fr);
}

.product-visual {
  position: relative;
  display: grid;
  min-height: 690px;
  place-items: center;
}

.product-visual::before {
  content: "";
  position: absolute;
  inset: 10% 4%;
  border: 1px solid rgba(77, 182, 232, 0.13);
  border-radius: 52% 48% 48% 52%;
  transform: rotate(-8deg);
}

.product-visual-summary::before {
  transform: rotate(9deg);
}

.visual-orbit {
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(29, 147, 202, 0.16), transparent 58%),
    linear-gradient(145deg, rgba(13, 57, 87, 0.65), rgba(4, 17, 29, 0.15));
  filter: drop-shadow(0 28px 70px rgba(0, 0, 0, 0.35));
}

.phone-feature {
  position: relative;
  z-index: 2;
  width: min(330px, 70%);
}

.product-visual-practice .phone-feature {
  transform: rotate(-3.5deg);
}

.product-visual-summary .phone-feature {
  transform: rotate(3.2deg);
}

.product-copy {
  max-width: 650px;
}

.product-copy > p:not(.eyebrow) {
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 1.16rem;
  line-height: 1.72;
}

.check-list {
  display: grid;
  gap: 17px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  color: #cbd5da;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  top: -1px;
  left: 0;
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  border: 1px solid rgba(40, 184, 238, 0.6);
  border-radius: 50%;
  color: var(--cyan-bright);
  font-size: 0.78rem;
}

.exercise-section {
  position: relative;
  padding: 130px 0;
  border-block: 1px solid rgba(192, 218, 235, 0.08);
  background:
    radial-gradient(circle at 50% 0%, rgba(34, 127, 174, 0.13), transparent 38rem),
    var(--navy-900);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 70px;
  margin-bottom: 62px;
}

.section-heading h2 {
  max-width: 800px;
  margin-bottom: 0;
}

.section-heading > p {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.65;
}

.exercise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.exercise-card {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
  transition:
    transform 180ms ease,
    border-color 180ms ease;
}

.exercise-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.exercise-card::after {
  content: "";
  position: absolute;
  right: -55px;
  bottom: -65px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: currentColor;
  filter: blur(54px);
  opacity: 0.13;
}

.exercise-symbol {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 28px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.025);
  font-size: 1.55rem;
}

.exercise-card h3 {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 1.27rem;
  letter-spacing: -0.025em;
}

.exercise-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.accent-cyan { color: var(--cyan-bright); }
.accent-green { color: var(--green); }
.accent-orange { color: var(--orange); }
.accent-violet { color: var(--violet); }
.accent-blue { color: var(--blue); }
.accent-red { color: var(--red); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-soft);
}

.stat-row div {
  display: grid;
  gap: 5px;
  padding: 24px 18px;
  text-align: center;
}

.stat-row div + div {
  border-left: 1px solid var(--line);
}

.stat-row strong {
  color: var(--cyan-bright);
  font-size: 1.48rem;
  font-weight: 590;
}

.stat-row span {
  color: var(--muted);
  font-size: 0.78rem;
}

.tour-section {
  padding-top: 60px;
  padding-bottom: 150px;
}

.tour-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(22, 46, 63, 0.68), rgba(8, 21, 32, 0.92));
  box-shadow: var(--shadow);
}

.tour-copy {
  padding: clamp(46px, 7vw, 86px);
}

.tour-copy h2 {
  font-size: clamp(2.3rem, 4vw, 3.9rem);
}

.tour-copy > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.65;
}

.tour-preview {
  position: relative;
  display: flex;
  aspect-ratio: 16 / 9;
  min-height: 390px;
  overflow: hidden;
  border-left: 1px solid var(--line);
  background:
    radial-gradient(circle, rgba(39, 179, 234, 0.2), transparent 48%),
    #06111b;
}

.tour-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #02090f;
}

.download-section {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
  border-top: 1px solid rgba(192, 218, 235, 0.08);
  background: var(--navy-900);
}

.download-glow {
  position: absolute;
  top: -100%;
  right: -5%;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  background: rgba(28, 148, 204, 0.16);
  filter: blur(80px);
}

.download-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 70px;
}

.download-grid h2 {
  margin-bottom: 18px;
  font-size: clamp(2.7rem, 4.6vw, 4.7rem);
}

.download-grid > div:first-child > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.store-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 190px));
  align-items: center;
  justify-content: end;
  gap: 14px;
}

.store-links a {
  display: grid;
  min-height: 64px;
  place-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.18);
  transition:
    transform 160ms ease,
    border-color 160ms ease;
}

.store-links a:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.store-links img {
  display: block;
  width: auto;
  max-width: 166px;
  max-height: 46px;
}

.site-footer {
  padding: 54px 0;
  border-top: 1px solid rgba(192, 218, 235, 0.08);
  background: #020a11;
}

.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 36px;
}

.footer-brand {
  font-size: 1rem;
}

.footer-brand img {
  width: 40px;
  height: 40px;
}

.footer-grid > p {
  margin: 0;
  color: #71838e;
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 0.9rem;
}

.copyright {
  white-space: nowrap;
}

:focus-visible {
  outline: 3px solid var(--cyan-bright);
  outline-offset: 4px;
  border-radius: 6px;
}

@media (max-width: 1180px) {
  .hero {
    min-height: 800px;
  }

  .hero-grid {
    grid-template-columns: minmax(330px, 0.78fr) minmax(540px, 1.12fr);
  }

  .device-stage {
    min-width: 540px;
    height: 660px;
  }

  .phone-main {
    right: 26%;
    width: 274px;
  }

  .phone-side {
    width: 228px;
  }

  .strip-item {
    grid-template-columns: 42px 1fr;
    gap: 13px;
    padding-inline: 20px;
  }

  .strip-icon {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 980px) {
  :root {
    --shell: min(100% - 36px, 760px);
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-top: 90px;
  }

  .hero-copy {
    max-width: 680px;
    padding-bottom: 0;
    text-align: center;
  }

  .hero-lede {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .device-stage {
    justify-self: center;
    width: min(760px, 100%);
    min-width: 0;
    height: 620px;
  }

  .phone-main {
    right: 32%;
    width: 265px;
  }

  .phone-side {
    width: 220px;
  }

  .feature-strip {
    grid-template-columns: repeat(2, 1fr);
    margin-top: -16px;
  }

  .strip-item:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .strip-item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .product-row,
  .product-row-reverse {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 120px;
  }

  .product-row-reverse .product-copy {
    order: 2;
  }

  .product-visual {
    min-height: 650px;
  }

  .product-copy {
    justify-self: center;
    text-align: center;
  }

  .check-list {
    max-width: 620px;
    margin-inline: auto;
    text-align: left;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .tour-card {
    grid-template-columns: 1fr;
  }

  .tour-preview {
    min-height: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .download-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .store-links {
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-links,
  .copyright {
    justify-self: end;
  }
}

@media (max-width: 680px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .brand {
    gap: 9px;
    font-size: 1.05rem;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .hero-grid {
    padding-top: 80px;
  }

  h1 {
    font-size: clamp(3rem, 14.5vw, 4.4rem);
  }

  .hero-lede {
    font-size: 1.04rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 18px;
  }

  .button-primary {
    width: 100%;
    max-width: 340px;
  }

  .device-stage {
    height: 500px;
    margin-top: 12px;
  }

  .phone-main {
    right: 24%;
    width: 218px;
  }

  .phone-side {
    width: 174px;
  }

  .phone-practice {
    left: -2%;
  }

  .phone-summary {
    right: -2%;
  }

  .feature-strip {
    grid-template-columns: 1fr;
  }

  .strip-item {
    min-height: 112px;
    padding: 24px;
  }

  .strip-item + .strip-item {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .section {
    padding: 110px 0 50px;
  }

  .centered-copy h2,
  .section-heading h2,
  .product-copy h2,
  .tour-copy h2,
  .download-grid h2 {
    font-size: clamp(2.25rem, 11vw, 3.15rem);
  }

  .product-row,
  .product-row-reverse {
    min-height: auto;
    padding-top: 70px;
    padding-bottom: 80px;
  }

  .product-visual {
    min-height: 570px;
  }

  .phone-feature {
    width: min(270px, 76%);
  }

  .exercise-section {
    padding: 100px 0;
  }

  .exercise-grid {
    grid-template-columns: 1fr;
  }

  .exercise-card {
    min-height: 210px;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }

  .stat-row div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .tour-section {
    padding-top: 20px;
    padding-bottom: 90px;
  }

  .tour-copy {
    padding: 38px 28px;
  }

  .tour-preview {
    min-height: 0;
  }

  .download-section {
    padding: 90px 0;
  }

  .store-links {
    grid-template-columns: 1fr;
  }

  .store-links a {
    width: min(220px, 100%);
    justify-self: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer-links,
  .copyright {
    justify-self: center;
  }
}

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

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