@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap");

:root {
  --ink: #17221d;
  --paper: #f2eadb;
  --cream: #fff9ed;
  --green: #0d6f58;
  --green-dark: #08483c;
  --orange: #ff7043;
  --yellow: #f4c74d;
  --muted: #6f6a60;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 5%, rgba(244, 199, 77, .22), transparent 24rem),
    var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

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

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

button {
  font: inherit;
}

.site-header {
  width: min(calc(100% - 44px), var(--max));
  min-height: 88px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 30;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.04em;
}

.brand img,
.footer-brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 31px;
  color: #514e47;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  transition: color .2s ease, transform .2s ease;
}

.site-nav a:hover {
  color: var(--green);
  transform: translateY(-2px);
}

.header-cta,
.primary,
.install-cta,
.final-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--cream);
  background: var(--ink);
  border-radius: 999px;
  font-weight: 900;
  transition: transform .2s ease, box-shadow .2s ease;
}

.header-cta {
  min-height: 46px;
  padding: 0 23px;
  font-size: 14px;
}

.header-cta:hover,
.primary:hover,
.install-cta:hover,
.final-cta a:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 38px rgba(23, 34, 29, .18);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  font-size: 20px;
  cursor: pointer;
}

.hero {
  width: min(calc(100% - 44px), 1400px);
  min-height: 720px;
  margin: 24px auto 85px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 65px;
  position: relative;
}

.hero-figure {
  min-height: 650px;
  margin: 0;
  display: grid;
  place-items: center;
  position: relative;
}

.hero-figure::before {
  content: "";
  position: absolute;
  width: 95%;
  aspect-ratio: 1.05;
  background: var(--green);
  clip-path: polygon(4% 13%, 70% 0, 100% 22%, 94% 86%, 48% 100%, 0 82%);
  transform: rotate(-3deg);
}

.hero-figure::after {
  content: "";
  position: absolute;
  width: 185px;
  height: 185px;
  left: 2%;
  bottom: 9%;
  background: var(--orange);
  border-radius: 50%;
}

.hero-figure img {
  width: min(88%, 720px);
  max-height: 600px;
  object-fit: contain;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 35px 42px rgba(8, 72, 60, .24));
}

.hero-number {
  position: absolute;
  right: 0;
  top: 4%;
  z-index: 3;
  color: var(--yellow);
  font-size: clamp(100px, 12vw, 170px);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -.08em;
}

.hero-copy {
  padding-right: clamp(0px, 3vw, 55px);
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-label {
  margin: 0 0 21px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.section-label.light {
  color: var(--yellow);
}

.hero h1 {
  max-width: 670px;
  margin: 0;
  font-size: clamp(60px, 6.8vw, 100px);
  line-height: .95;
  letter-spacing: -.075em;
  font-weight: 900;
}

.hero h1 span {
  color: var(--orange);
}

.lead {
  max-width: 620px;
  margin: 33px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.95;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
}

.primary {
  min-height: 60px;
  padding: 0 32px;
  background: var(--green);
  font-size: 16px;
}

.secondary {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 15px;
  font-weight: 900;
}

.secondary i {
  transition: transform .2s ease;
}

.secondary:hover i {
  transform: translateX(5px);
}

.hero-support {
  margin: 27px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 15px 23px;
  color: #746f65;
  font-size: 13px;
}

.hero-support i {
  margin-right: 6px;
  color: var(--green);
}

.download,
.features,
.release,
.device-story,
.faq {
  width: min(calc(100% - 44px), var(--max));
  margin-left: auto;
  margin-right: auto;
}

.download {
  padding: 95px 0 130px;
}

.download-heading {
  max-width: 790px;
}

.download-heading h2,
.scenes-title h2,
.feature-intro h2,
.privacy-copy h2,
.release-copy h2,
.device-copy h2,
.install-title h2,
.faq-title h2 {
  margin: 0;
  font-size: clamp(44px, 5.3vw, 76px);
  line-height: 1.07;
  letter-spacing: -.064em;
  font-weight: 900;
}

.download-heading > p:last-child,
.feature-intro > p:last-child,
.device-copy > p {
  max-width: 730px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.platform-flow {
  margin-top: 78px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 50px;
}

.platform-flow > a {
  min-width: 0;
  display: grid;
  align-content: start;
}

.platform-flow span {
  color: var(--ink);
  font-size: 27px;
  font-weight: 900;
  letter-spacing: -.04em;
}

.platform-flow em {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
  font-style: normal;
}

.platform-flow > a > i {
  margin-top: 31px;
  color: var(--green);
  font-size: 38px;
}

.platform-flow b {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
}

.platform-flow b i {
  transition: transform .2s ease;
}

.platform-flow > a:hover b i {
  transform: translateX(5px);
}

.scenes {
  min-height: 890px;
  padding: 145px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .72fr 1.03fr .9fr;
  gap: 70px;
  align-items: center;
  color: var(--cream);
  background:
    radial-gradient(circle at 18% 17%, rgba(255, 112, 67, .2), transparent 22rem),
    var(--green-dark);
  clip-path: polygon(0 4%, 88% 0, 100% 9%, 96% 95%, 12% 100%, 0 91%);
}

.scene-copy {
  display: grid;
  gap: 42px;
}

.scene-copy article > span {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .15em;
}

.scene-copy h3 {
  margin: 9px 0 10px;
  font-size: 25px;
  letter-spacing: -.035em;
}

.scene-copy p {
  margin: 0;
  color: rgba(255,249,237,.68);
  line-height: 1.85;
}

.scenes-figure {
  margin: 0;
  overflow: hidden;
  clip-path: ellipse(49% 46% at 50% 50%);
  background: var(--yellow);
}

.scenes-figure img {
  width: 100%;
  min-height: 500px;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(0,0,0,.2));
}

.features {
  padding: 145px 0 150px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 110px;
  align-items: start;
}

.feature-intro {
  position: sticky;
  top: 95px;
}

.feature-route {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 45px;
  list-style: none;
  position: relative;
}

.feature-route::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 17px;
  bottom: 32px;
  width: 4px;
  background: linear-gradient(var(--orange), var(--yellow), var(--green));
  border-radius: 999px;
}

.feature-route li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 25px;
  position: relative;
}

.feature-route li > span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--cream);
  background: var(--ink);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .05em;
  z-index: 2;
}

.feature-route h3 {
  margin: 0 0 10px;
  font-size: 24px;
}

.feature-route p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.privacy {
  padding: 135px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 95px;
  align-items: center;
  color: var(--cream);
  background: var(--orange);
}

.privacy-figure {
  margin: 0;
  overflow: hidden;
  clip-path: polygon(7% 2%, 93% 0, 100% 43%, 87% 98%, 15% 100%, 0 62%);
  background: var(--yellow);
}

.privacy-figure img {
  width: 100%;
  max-height: 590px;
  object-fit: contain;
}

.privacy-copy > p {
  margin: 24px 0 0;
  color: rgba(255,249,237,.78);
  font-size: 17px;
  line-height: 1.9;
}

.privacy-copy ul {
  margin: 41px 0 0;
  padding: 0;
  display: grid;
  gap: 23px;
  list-style: none;
}

.privacy-copy li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 15px;
  color: rgba(255,249,237,.82);
  line-height: 1.75;
}

.privacy-copy li i {
  margin-top: 5px;
  color: var(--yellow);
}

.release {
  padding: 145px 0 150px;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 110px;
  align-items: start;
}

.release-copy h2 {
  color: var(--green);
  font-size: clamp(90px, 13vw, 175px);
  line-height: .84;
}

.release-date {
  margin: 22px 0 0;
  color: var(--orange);
  font-size: 14px;
  font-weight: 800;
}

.release-text {
  max-width: 610px;
  margin: 22px 0 0;
  color: var(--muted);
  line-height: 1.9;
}

.release-notes {
  display: grid;
  gap: 41px;
  padding-top: 28px;
}

.release-notes p {
  margin: 0;
  display: grid;
  grid-template-columns: 75px 1fr;
  gap: 5px 23px;
}

.release-notes span {
  grid-row: 1 / span 2;
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
}

.release-notes b {
  font-size: 23px;
}

.release-notes em {
  color: var(--muted);
  font-size: 15px;
  font-style: normal;
  line-height: 1.8;
}

.device-story {
  padding: 100px 0 145px;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 90px;
  align-items: center;
}

.device-copy > a {
  margin-top: 34px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--green);
  font-weight: 900;
}

.device-copy > a i {
  transition: transform .2s ease;
}

.device-copy > a:hover i {
  transform: translateX(5px);
}

.device-figure {
  margin: 0;
  overflow: hidden;
  clip-path: ellipse(49% 46% at 50% 50%);
  background: #d7e8bf;
}

.device-figure img {
  width: 100%;
  max-height: 590px;
  object-fit: contain;
}

.install {
  padding: 140px max(22px, calc((100vw - var(--max)) / 2));
  color: var(--cream);
  background:
    radial-gradient(circle at 85% 20%, rgba(244,199,77,.2), transparent 18rem),
    var(--ink);
}

.install-title {
  max-width: 760px;
}

.install-steps {
  margin: 82px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 78px;
  list-style: none;
}

.install-steps li > span {
  display: block;
  margin-bottom: 29px;
  color: var(--yellow);
  font-size: 106px;
  line-height: .75;
  font-weight: 900;
  letter-spacing: -.08em;
}

.install-steps h3 {
  margin: 0 0 13px;
  font-size: 24px;
}

.install-steps p {
  margin: 0;
  color: rgba(255,249,237,.67);
  line-height: 1.85;
}

.install-cta {
  min-height: 60px;
  margin-top: 58px;
  padding: 0 31px;
  color: var(--ink);
  background: var(--yellow);
}

.faq {
  padding: 140px 0 155px;
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 120px;
  align-items: start;
}

.faq-title {
  position: sticky;
  top: 95px;
}

.faq-list {
  display: grid;
  gap: 34px;
}

.faq-list summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
  font-size: 20px;
  line-height: 1.55;
  font-weight: 900;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary i {
  margin-top: 8px;
  color: var(--green);
  font-size: 14px;
  transition: transform .2s ease;
}

.faq-list details[open] summary i {
  transform: rotate(45deg);
}

.faq-list p {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.85;
}

.final-cta {
  min-height: 500px;
  padding: 90px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(circle at 17% 18%, rgba(255,255,255,.66), transparent 15rem),
    var(--yellow);
}

.final-cta > p {
  margin: 0 0 17px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
}

.final-cta h2 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(52px, 7vw, 98px);
  line-height: 1;
  letter-spacing: -.075em;
  font-weight: 900;
}

.final-cta a {
  min-height: 62px;
  margin-top: 40px;
  padding: 0 34px;
  background: var(--green);
  font-size: 17px;
}

.final-cta > span {
  margin-top: 19px;
  color: #625f4d;
  font-size: 13px;
}

.footer {
  width: min(calc(100% - 44px), var(--max));
  min-height: 126px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 38px;
  color: #777065;
  font-size: 13px;
}

.footer-brand {
  color: var(--ink);
  font-size: 18px;
}

.footer-brand img {
  width: 31px;
  height: 31px;
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: auto 1fr auto auto;
    gap: 16px;
  }

  .site-nav {
    display: none;
    position: fixed;
    inset: 78px 0 auto;
    width: 100%;
    padding: 35px 24px 39px;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    background: rgba(242,234,219,.98);
    backdrop-filter: blur(18px);
  }

  .site-nav.is-open {
    display: flex;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .header-cta {
    justify-self: end;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 50px;
  }

  .hero-figure {
    order: 2;
    max-width: 850px;
    width: 100%;
    margin: 0 auto;
  }

  .hero-copy {
    max-width: 820px;
    padding-right: 0;
  }

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

  .scenes {
    grid-template-columns: .8fr 1.2fr;
  }

  .scenes-figure {
    grid-column: 1 / -1;
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
  }

  .features,
  .privacy,
  .release,
  .device-story,
  .faq {
    grid-template-columns: 1fr;
  }

  .feature-intro,
  .faq-title {
    position: static;
  }

  .privacy-figure {
    max-width: 760px;
    margin: 0 auto;
  }
}

@media (max-width: 720px) {
  .site-header {
    width: min(calc(100% - 28px), var(--max));
    min-height: 76px;
    grid-template-columns: auto 1fr auto;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .download,
  .features,
  .release,
  .device-story,
  .faq,
  .footer {
    width: min(calc(100% - 30px), var(--max));
  }

  .hero {
    margin-top: 0;
    margin-bottom: 35px;
    gap: 35px;
  }

  .hero h1 {
    font-size: clamp(52px, 15vw, 72px);
  }

  .lead {
    margin-top: 25px;
    font-size: 16px;
    line-height: 1.85;
  }

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

  .primary {
    width: 100%;
  }

  .secondary {
    justify-content: center;
  }

  .hero-figure {
    min-height: 390px;
  }

  .hero-figure::before {
    width: 100%;
  }

  .hero-figure::after {
    width: 110px;
    height: 110px;
  }

  .hero-number {
    font-size: 92px;
  }

  .hero-figure img {
    max-height: 370px;
  }

  .download,
  .features,
  .release,
  .device-story,
  .faq {
    padding-top: 84px;
    padding-bottom: 92px;
  }

  .platform-flow {
    margin-top: 55px;
    grid-template-columns: 1fr;
    gap: 49px;
  }

  .scenes {
    min-height: auto;
    padding-top: 105px;
    padding-bottom: 115px;
    grid-template-columns: 1fr;
    gap: 48px;
    clip-path: polygon(0 2%, 88% 0, 100% 3%, 97% 98%, 12% 100%, 0 96%);
  }

  .scenes-figure img {
    min-height: 350px;
  }

  .features {
    gap: 55px;
  }

  .feature-route::before {
    left: 20px;
  }

  .feature-route li {
    grid-template-columns: 44px 1fr;
    gap: 19px;
  }

  .feature-route li > span {
    width: 44px;
    height: 44px;
  }

  .privacy {
    padding-top: 90px;
    padding-bottom: 95px;
    gap: 48px;
  }

  .release {
    gap: 48px;
  }

  .release-copy h2 {
    font-size: 84px;
  }

  .release-notes p {
    grid-template-columns: 58px 1fr;
    gap: 5px 15px;
  }

  .device-story {
    gap: 45px;
  }

  .device-figure {
    order: -1;
  }

  .install {
    padding-top: 95px;
    padding-bottom: 100px;
  }

  .install-steps {
    margin-top: 58px;
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .install-steps li > span {
    margin-bottom: 20px;
    font-size: 78px;
  }

  .install-cta {
    width: 100%;
  }

  .faq {
    gap: 52px;
  }

  .faq-list summary {
    font-size: 18px;
  }

  .final-cta {
    min-height: 430px;
    padding: 75px 20px;
  }

  .final-cta h2 {
    font-size: clamp(49px, 14vw, 69px);
  }

  .footer {
    padding: 36px 0;
    grid-template-columns: 1fr;
    gap: 13px;
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}