:root {
  --bg-dark: #061312;
  --bg-deep: #081b19;
  --bg-soft: #eef4f1;
  --bg-white: #ffffff;
  --text-main: #14201f;
  --text-soft: #61706d;
  --text-light: #eff9f6;
  --line: #dbe5e1;
  --line-dark: rgba(255, 255, 255, 0.12);
  --brand: #21cfa5;
  --brand-dark: #0c9c7c;
  --brand-deep: #08725e;
  --accent-red: #e04d48;
  --shadow-soft: 0 24px 70px rgba(10, 43, 38, 0.1);
  --shadow-dark: 0 30px 80px rgba(0, 0, 0, 0.32);
  --container: 1240px;
  --radius-large: 30px;
  --radius-medium: 20px;
  --radius-small: 12px;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text-main);
  background: var(--bg-white);
  font-family:
    Inter,
    "PingFang SC",
    "Microsoft YaHei",
    "Noto Sans SC",
    Arial,
    sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  padding: 10px 16px;
  color: #ffffff;
  background: #000000;
  transform: translateY(-150%);
  transition: transform var(--transition);
}

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

.section {
  padding: 110px 28px;
}

.section-shell,
.header-shell,
.footer-shell,
.footer-bottom {
  width: min(100%, var(--container));
  margin: 0 auto;
}

.section-kicker {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.light-kicker {
  color: #7ff2d6;
}

.section-heading {
  margin-bottom: 50px;
}

.section-heading h2,
.client-heading h2,
.official-guide-copy h2,
.final-cta-content h2 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.section-heading p,
.client-heading p {
  margin: 0;
  color: var(--text-soft);
  font-size: 17px;
}

.heading-split {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 80px;
  align-items: end;
}

.heading-split p {
  max-width: 480px;
  justify-self: end;
}

.centered-heading {
  max-width: 780px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.centered-heading p {
  max-width: 650px;
  margin: 20px auto 0;
}

/* Header */

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition:
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.site-header.scrolled {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(5, 20, 18, 0.93);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.header-shell {
  display: flex;
  min-height: 82px;
  align-items: center;
  gap: 36px;
  padding: 0 28px;
}

.brand {
  display: flex;
  width: 180px;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  width: 100%;
  height: auto;
}

.desktop-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 34px;
}

.desktop-nav a {
  position: relative;
  color: rgba(240, 250, 247, 0.78);
  font-size: 14px;
  font-weight: 600;
  transition: color var(--transition);
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  background: var(--brand);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.desktop-nav a:hover {
  color: #ffffff;
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

.header-download {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid rgba(111, 238, 207, 0.45);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(38, 201, 160, 0.12);
  font-size: 14px;
  font-weight: 700;
  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition);
}

.header-download:hover {
  border-color: var(--brand);
  background: rgba(38, 201, 160, 0.23);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: #ffffff;
  transition:
    transform var(--transition),
    opacity var(--transition);
}

.menu-toggle.active span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle.active span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-menu {
  display: none;
}

/* Hero */

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  padding: 145px 28px 80px;
  color: var(--text-light);
  background:
    radial-gradient(circle at 80% 22%, rgba(43, 210, 169, 0.13), transparent 26%),
    linear-gradient(135deg, #04100f 0%, #08211e 48%, #071513 100%);
}

.hero::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(255, 255, 255, 0.08),
    transparent
  );
  content: "";
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  pointer-events: none;
}

.hero-glow-one {
  top: 100px;
  right: -130px;
  width: 440px;
  height: 440px;
  background: rgba(21, 167, 130, 0.12);
}

.hero-glow-two {
  bottom: -260px;
  left: -140px;
  width: 500px;
  height: 500px;
  background: rgba(212, 66, 61, 0.08);
}

.hero-shell {
  position: relative;
  z-index: 2;
  display: grid;
  width: min(100%, 1320px);
  min-height: 600px;
  margin: 0 auto;
  grid-template-columns: minmax(390px, 0.88fr) minmax(540px, 1.12fr);
  gap: 45px;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 3;
  padding-left: 20px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 28px;
  align-items: center;
  gap: 11px;
  color: #a9c7c0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.eyebrow img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.hero h1 {
  max-width: 670px;
  margin: 0;
  color: #ffffff;
  font-size: clamp(54px, 6.2vw, 86px);
  font-weight: 760;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero h1 span {
  display: block;
  margin-top: 18px;
  color: #a9c8c0;
  font-size: 0.46em;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.hero-summary {
  max-width: 600px;
  margin: 30px 0 0;
  color: rgba(230, 242, 238, 0.7);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  margin-top: 36px;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 25px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 750;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    border-color var(--transition);
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: #05201a;
  background: var(--brand);
  box-shadow: 0 14px 36px rgba(24, 204, 158, 0.22);
}

.button-primary:hover {
  background: #42dfb7;
  box-shadow: 0 18px 42px rgba(24, 204, 158, 0.3);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.11);
}

.button-icon {
  font-size: 18px;
}

.hero-points {
  display: grid;
  max-width: 650px;
  margin-top: 48px;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
}

.hero-points > div {
  padding: 20px 20px 0 0;
}

.hero-points strong {
  display: block;
  color: #ffffff;
  font-size: 14px;
}

.hero-points span {
  display: block;
  margin-top: 5px;
  color: rgba(227, 241, 237, 0.54);
  font-size: 12px;
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.hero-image-frame {
  position: relative;
  z-index: 2;
  width: 112%;
  margin-left: -4%;
}

.hero-image-frame::before {
  position: absolute;
  top: 12%;
  right: 7%;
  width: 55%;
  height: 65%;
  border-radius: 50%;
  background: rgba(40, 204, 164, 0.12);
  content: "";
  filter: blur(70px);
}

.hero-image-frame img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 40px 70px rgba(0, 0, 0, 0.35));
}

.hero-status-card {
  position: absolute;
  right: 5%;
  bottom: 8%;
  z-index: 4;
  display: flex;
  width: min(310px, 65%);
  align-items: center;
  gap: 13px;
  padding: 17px 19px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 16px;
  background: rgba(6, 24, 21, 0.74);
  box-shadow: var(--shadow-dark);
  backdrop-filter: blur(16px);
}

.status-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 7px rgba(35, 207, 165, 0.12);
}

.hero-status-card strong {
  display: block;
  color: #ffffff;
  font-size: 14px;
}

.hero-status-card small {
  display: block;
  margin-top: 2px;
  color: rgba(230, 242, 238, 0.55);
  font-size: 11px;
}

.hero-bottom-line {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(98, 229, 196, 0.35),
    transparent
  );
}

/* Download */

.download-section {
  background: #ffffff;
}

.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(370px, 0.78fr);
  gap: 24px;
}

.download-feature {
  display: grid;
  min-height: 710px;
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 0.68fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background:
    radial-gradient(circle at 75% 20%, rgba(34, 204, 163, 0.12), transparent 28%),
    #f1f6f4;
  box-shadow: var(--shadow-soft);
}

.download-feature-copy {
  align-self: center;
  padding: 60px 25px 60px 58px;
}

.platform-label {
  color: var(--brand-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.download-feature h3 {
  max-width: 430px;
  margin: 20px 0 18px;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.download-feature p {
  max-width: 470px;
  margin: 0;
  color: var(--text-soft);
  font-size: 16px;
}

.check-list {
  display: grid;
  margin: 30px 0;
  padding: 0;
  gap: 14px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
  font-weight: 650;
}

.check-list li::before {
  position: absolute;
  top: 2px;
  left: 0;
  display: flex;
  width: 19px;
  height: 19px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #ffffff;
  background: var(--brand-dark);
  content: "✓";
  font-size: 11px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 800;
}

.text-link span {
  transition: transform var(--transition);
}

.text-link:hover span {
  transform: translateX(5px);
}

.download-feature-media {
  display: flex;
  min-width: 0;
  align-items: flex-end;
  justify-content: center;
  padding: 45px 35px 0;
}

.download-feature-media img {
  width: min(100%, 320px);
  max-height: 650px;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 20px 35px rgba(7, 42, 36, 0.16));
}

.download-side {
  display: grid;
  gap: 18px;
}

.platform-card,
.web-entry-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: #ffffff;
}

.platform-card {
  padding: 31px;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.platform-card:hover {
  border-color: rgba(22, 171, 134, 0.32);
  box-shadow: 0 20px 55px rgba(15, 53, 47, 0.09);
  transform: translateY(-4px);
}

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

.platform-symbol {
  display: flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  color: #ffffff;
  background: #141b1a;
  font-size: 16px;
}

.android-symbol {
  color: #073a2f;
  background: #d9f5ed;
}

.platform-card-top span {
  color: #86938f;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.platform-card h3 {
  margin: 3px 0 0;
  font-size: 22px;
}

.platform-card p {
  margin: 19px 0;
  color: var(--text-soft);
  font-size: 14px;
}

.platform-card > a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 800;
}

.web-entry-card {
  display: grid;
  min-height: 290px;
  grid-template-columns: 1fr 150px;
  align-items: center;
  padding: 30px 25px 0 31px;
  background: var(--bg-dark);
}

.web-entry-card h3 {
  margin: 9px 0 10px;
  color: #ffffff;
  font-size: 25px;
}

.web-entry-card p {
  margin: 0;
  color: rgba(230, 241, 238, 0.56);
  font-size: 13px;
}

.web-entry-card img {
  width: 100%;
  max-height: 260px;
  align-self: end;
  object-fit: contain;
  object-position: center bottom;
}

/* Platforms */

.platform-section {
  background: var(--bg-soft);
}

.device-showcase {
  display: grid;
  gap: 28px;
}

.device-panel {
  display: grid;
  min-height: 590px;
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  border: 1px solid rgba(21, 63, 55, 0.1);
  border-radius: var(--radius-large);
  background: #ffffff;
}

.device-panel-reverse {
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1fr);
}

.device-panel-reverse .device-panel-copy {
  order: 2;
}

.device-panel-reverse .device-panel-image {
  order: 1;
  background:
    radial-gradient(circle at 50% 50%, rgba(36, 206, 165, 0.18), transparent 34%),
    #eaf3f0;
}

.device-panel-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 65px 75px;
}

.device-index {
  display: block;
  margin-bottom: 38px;
  color: #c9d7d3;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.device-type {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.device-panel h3,
.install-result h3 {
  max-width: 570px;
  margin: 0;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.device-panel-copy > p,
.install-result-copy > p {
  max-width: 550px;
  margin: 23px 0 0;
  color: var(--text-soft);
  font-size: 16px;
}

.device-notes {
  display: flex;
  margin-top: 35px;
  flex-wrap: wrap;
  gap: 9px;
}

.device-notes span {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #54615e;
  background: #f8faf9;
  font-size: 12px;
  font-weight: 700;
}

.device-panel-image {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 55px 40px 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(217, 86, 81, 0.12), transparent 35%),
    #f3f5f4;
}

.device-panel-image img {
  width: min(100%, 330px);
  max-height: 535px;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 22px 42px rgba(11, 48, 41, 0.14));
}

.install-result {
  display: grid;
  min-height: 500px;
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr) 390px;
  border-radius: var(--radius-large);
  color: #ffffff;
  background:
    radial-gradient(circle at 77% 45%, rgba(38, 213, 169, 0.2), transparent 27%),
    var(--bg-dark);
}

.install-result-copy {
  align-self: center;
  padding: 65px 75px;
}

.install-result-copy > p {
  color: rgba(231, 243, 239, 0.62);
}

.button-dark {
  margin-top: 32px;
  color: #ffffff;
  background: var(--brand-dark);
}

.button-dark:hover {
  background: var(--brand);
}

.install-result-image {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 42px 35px 0;
}

.install-result-image img {
  width: min(100%, 290px);
  max-height: 470px;
  object-fit: contain;
  object-position: center bottom;
}

/* Client */

.client-section {
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(circle at 80% 25%, rgba(32, 204, 160, 0.12), transparent 27%),
    #061312;
}

.client-heading {
  display: grid;
  margin-bottom: 55px;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.55fr);
  gap: 70px;
  align-items: end;
}

.client-heading p {
  color: rgba(228, 241, 237, 0.6);
}

.client-visual {
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-large);
  background: #f4f8f6;
  box-shadow: var(--shadow-dark);
}

.client-visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.client-highlights {
  display: grid;
  margin-top: 50px;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
}

.client-highlights > div {
  padding: 30px 40px 0 0;
}

.client-highlights span {
  display: block;
  margin-bottom: 20px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.client-highlights strong {
  display: block;
  color: #ffffff;
  font-size: 19px;
}

.client-highlights p {
  max-width: 300px;
  margin: 8px 0 0;
  color: rgba(227, 241, 237, 0.54);
  font-size: 13px;
}

/* Features */

.features-section {
  background: #ffffff;
}

.features-image {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: #050f0e;
  box-shadow: var(--shadow-soft);
}

.features-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.features-grid {
  display: grid;
  margin-top: 24px;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.features-grid article {
  min-height: 250px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: #ffffff;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.features-grid article:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-4px);
}

.feature-number {
  display: block;
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.features-grid h3 {
  margin: 45px 0 13px;
  font-size: 21px;
}

.features-grid p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
}

/* Official guide */

.official-guide {
  background: var(--bg-soft);
}

.official-guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.68fr);
  gap: 65px;
  align-items: center;
}

.official-guide-copy > p {
  max-width: 690px;
  margin: 26px 0 0;
  color: var(--text-soft);
  font-size: 17px;
}

.official-steps {
  display: grid;
  margin-top: 45px;
  gap: 22px;
}

.official-steps > div {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 19px;
  align-items: start;
}

.official-steps > div > span {
  display: flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(14, 147, 115, 0.2);
  border-radius: 50%;
  color: var(--brand-dark);
  background: rgba(34, 203, 161, 0.08);
  font-size: 11px;
  font-weight: 800;
}

.official-steps strong {
  display: block;
  font-size: 16px;
}

.official-steps p {
  margin: 5px 0 0;
  color: var(--text-soft);
  font-size: 13px;
}

.official-guide-media {
  display: flex;
  min-height: 470px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 55px;
  border-radius: var(--radius-large);
  color: #ffffff;
  background:
    radial-gradient(circle at 50% 42%, rgba(50, 228, 183, 0.18), transparent 30%),
    var(--bg-dark);
}

.official-guide-media > img {
  width: min(100%, 280px);
}

.official-guide-icon {
  width: 114px;
  margin-top: 48px;
}

.official-guide-icon img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.32);
}

.official-guide-media p {
  margin: 28px 0 0;
  color: rgba(230, 242, 238, 0.52);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

/* Final CTA */

.final-cta {
  position: relative;
  display: flex;
  min-height: 640px;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  padding: 100px 28px;
  color: #ffffff;
}

.final-cta-background,
.final-cta-overlay {
  position: absolute;
  inset: 0;
}

.final-cta-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.final-cta-overlay {
  background:
    linear-gradient(
      90deg,
      rgba(3, 15, 13, 0.92) 0%,
      rgba(3, 15, 13, 0.7) 48%,
      rgba(3, 15, 13, 0.42) 100%
    );
}

.final-cta-content {
  position: relative;
  z-index: 2;
  width: min(100%, var(--container));
  margin: 0 auto;
}

.final-cta-content h2 {
  max-width: 780px;
}

.final-cta-content p {
  max-width: 610px;
  margin: 24px 0 0;
  color: rgba(235, 245, 242, 0.7);
  font-size: 17px;
}

.final-cta-actions {
  display: flex;
  margin-top: 34px;
  flex-wrap: wrap;
  gap: 13px;
}

.button-glass {
  border-color: rgba(255, 255, 255, 0.24);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.button-glass:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Footer */

.site-footer {
  padding: 75px 28px 30px;
  color: rgba(228, 241, 237, 0.65);
  background: #04100f;
}

.footer-shell {
  display: grid;
  padding-bottom: 55px;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 90px;
  border-bottom: 1px solid var(--line-dark);
}

.footer-brand img {
  width: 190px;
}

.footer-brand p {
  max-width: 440px;
  margin: 20px 0 0;
  font-size: 13px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 70px;
}

.footer-links > div {
  display: grid;
  align-content: start;
  gap: 11px;
}

.footer-links strong {
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 13px;
}

.footer-links a {
  font-size: 13px;
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  padding-top: 26px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 45px;
  font-size: 11px;
}

.footer-bottom p {
  max-width: 760px;
  margin: 0;
}

.footer-bottom > span {
  white-space: nowrap;
}

/* Back to top */

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  color: #ffffff;
  background: rgba(6, 25, 22, 0.9);
  box-shadow: 0 13px 30px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    background var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--brand-dark);
}

/* Reveal animation */

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Tablet */

@media (max-width: 1100px) {
  .desktop-nav {
    display: none;
  }

  .header-download {
    margin-left: auto;
  }

  .hero {
    min-height: auto;
    padding-top: 135px;
  }

  .hero-shell {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hero-copy {
    max-width: 800px;
    padding-left: 0;
  }

  .hero-visual {
    max-width: 880px;
    margin: 0 auto;
  }

  .hero-image-frame {
    width: 100%;
    margin-left: 0;
  }

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

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

  .web-entry-card {
    grid-column: 1 / -1;
  }

  .official-guide-layout {
    grid-template-columns: 1fr;
  }

  .official-guide-media {
    min-height: 400px;
  }
}

@media (max-width: 900px) {
  .section {
    padding: 85px 22px;
  }

  .heading-split,
  .client-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .heading-split p {
    justify-self: start;
  }

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

  .download-feature-copy {
    padding: 50px 45px 20px;
  }

  .download-feature-media {
    padding-top: 15px;
  }

  .device-panel,
  .device-panel-reverse {
    grid-template-columns: 1fr;
  }

  .device-panel-reverse .device-panel-copy,
  .device-panel-reverse .device-panel-image {
    order: initial;
  }

  .device-panel-copy {
    padding: 55px 45px 20px;
  }

  .device-panel-image {
    min-height: 470px;
  }

  .install-result {
    grid-template-columns: 1fr 300px;
  }

  .install-result-copy {
    padding: 55px 35px 55px 50px;
  }

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

/* Mobile */

@media (max-width: 720px) {
  .header-shell {
    min-height: 70px;
    padding: 0 18px;
  }

  .brand {
    width: 145px;
  }

  .header-download {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-menu {
    position: fixed;
    top: 70px;
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    gap: 0;
    border-bottom: 1px solid transparent;
    background: rgba(5, 20, 18, 0.98);
    opacity: 0;
    pointer-events: none;
    transition:
      max-height 320ms ease,
      opacity 220ms ease,
      padding 320ms ease;
  }

  .mobile-menu.open {
    max-height: 430px;
    padding-top: 16px;
    padding-bottom: 24px;
    border-color: var(--line-dark);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-menu a {
    padding: 14px 2px;
    border-bottom: 1px solid var(--line-dark);
    color: rgba(242, 249, 247, 0.82);
    font-size: 14px;
  }

  .mobile-menu-cta {
    margin-top: 15px;
    border: 0 !important;
    border-radius: 999px;
    color: #052019 !important;
    background: var(--brand);
    text-align: center;
    font-weight: 800;
  }

  .hero {
    padding: 112px 18px 55px;
  }

  .hero::before {
    display: none;
  }

  .hero h1 {
    font-size: clamp(47px, 14vw, 66px);
  }

  .hero h1 span {
    font-size: 0.42em;
  }

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

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

  .button {
    width: 100%;
  }

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

  .hero-points > div {
    padding: 16px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .hero-visual {
    margin-top: 25px;
  }

  .hero-image-frame {
    width: 115%;
    margin-left: -7.5%;
  }

  .hero-status-card {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: -10px;
  }

  .section {
    padding: 70px 18px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2,
  .client-heading h2,
  .official-guide-copy h2,
  .final-cta-content h2 {
    font-size: clamp(32px, 10vw, 44px);
  }

  .section-heading p,
  .client-heading p {
    font-size: 15px;
  }

  .download-feature {
    min-height: auto;
    border-radius: 22px;
  }

  .download-feature-copy {
    padding: 38px 24px 10px;
  }

  .download-feature-media {
    padding: 20px 25px 0;
  }

  .download-feature-media img {
    width: min(100%, 270px);
  }

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

  .web-entry-card {
    grid-column: auto;
    min-height: 280px;
    grid-template-columns: 1fr 125px;
  }

  .device-panel,
  .install-result,
  .features-image,
  .client-visual,
  .official-guide-media {
    border-radius: 22px;
  }

  .device-panel-copy {
    padding: 38px 24px 12px;
  }

  .device-index {
    margin-bottom: 25px;
  }

  .device-panel h3,
  .install-result h3 {
    font-size: 34px;
  }

  .device-panel-image {
    min-height: 410px;
    padding: 35px 20px 0;
  }

  .device-panel-image img {
    width: min(100%, 260px);
    max-height: 390px;
  }

  .install-result {
    grid-template-columns: 1fr;
  }

  .install-result-copy {
    padding: 42px 24px 10px;
  }

  .install-result-image {
    padding-top: 20px;
  }

  .install-result-image img {
    width: min(100%, 240px);
  }

  .client-highlights {
    grid-template-columns: 1fr;
  }

  .client-highlights > div {
    padding: 25px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .features-grid article {
    min-height: auto;
    padding: 27px 24px;
  }

  .features-grid h3 {
    margin-top: 30px;
  }

  .official-guide-media {
    min-height: 360px;
    padding: 40px 25px;
  }

  .final-cta {
    min-height: 600px;
    padding: 80px 18px;
  }

  .final-cta-overlay {
    background: rgba(3, 15, 13, 0.78);
  }

  .final-cta-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .footer-shell {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .footer-links {
    gap: 35px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 18px;
  }

  .footer-bottom > span {
    white-space: normal;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 45px;
  }

  .eyebrow {
    font-size: 11px;
  }

  .web-entry-card {
    grid-template-columns: 1fr 105px;
    padding-left: 22px;
  }

  .platform-card {
    padding: 25px 22px;
  }

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }
}