:root {
  --black: #070706;
  --black-soft: #0d0c0a;
  --panel: #12110f;
  --panel-light: #191713;
  --gold: #d7a75e;
  --gold-light: #f1ca83;
  --gold-dark: #8f632d;
  --text: #f7f4ee;
  --muted: #a99f91;
  --line: rgba(215, 167, 94, 0.2);
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--black);
  font-family:
    Inter,
    "PingFang SC",
    "Microsoft YaHei",
    Arial,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

body,
a,
button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  transform: none !important;
}

a {
  color: inherit;
}

.page-shell {
  width: min(var(--shell), calc(100% - 40px));
  margin: 0 auto;
}

/* Header */

.site-header {
  position: relative;
  z-index: 30;
  min-height: 76px;
  background: rgba(6, 6, 5, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(var(--shell), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  width: auto;
  max-width: 190px;
  max-height: 46px;
  object-fit: contain;
}

.header-side {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-side > span {
  color: #8f877c;
  font-size: 13px;
}

.header-download {
  min-height: 42px;
  padding: 0 21px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #171006;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border: 1px solid #f2d59e;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(215, 167, 94, 0.18);
}

/* Hero */

.download-hero {
  position: relative;
  min-height: 790px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 14%, rgba(215, 167, 94, 0.09), transparent 28%),
    linear-gradient(180deg, #0a0907, #050505 70%);
}

.hero-light {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(6px);
}

.hero-light-left {
  width: 600px;
  height: 390px;
  left: -260px;
  bottom: -170px;
  background: radial-gradient(circle, rgba(176, 103, 43, 0.13), transparent 70%);
}

.hero-light-right {
  width: 620px;
  height: 380px;
  right: -280px;
  top: 80px;
  background: radial-gradient(circle, rgba(215, 167, 94, 0.09), transparent 70%);
}

.hero-line {
  position: absolute;
  pointer-events: none;
  border: 1px solid rgba(215, 167, 94, 0.13);
  border-radius: 50%;
}

.hero-line-one {
  width: 870px;
  height: 370px;
  left: -440px;
  top: 290px;
  transform: rotate(14deg);
}

.hero-line-two {
  width: 900px;
  height: 420px;
  right: -500px;
  bottom: -160px;
  transform: rotate(-20deg);
}

.hero-content {
  position: relative;
  z-index: 3;
  min-height: 790px;
  padding: 82px 0 0;
  text-align: center;
}

.hero-copy {
  max-width: 780px;
  margin: 0 auto;
}

.hero-app-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  padding: 8px;
  object-fit: contain;
  background: #12110f;
  border: 1px solid rgba(215, 167, 94, 0.34);
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.4);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 13px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(50px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero-copy h1 strong {
  display: inline-block;
  margin-left: 13px;
  color: var(--gold-light);
  font-weight: inherit;
}

.hero-copy > p {
  max-width: 690px;
  margin: 23px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.hero-actions {
  margin-top: 29px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 13px;
}

.button {
  min-height: 52px;
  padding: 0 27px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  transition:
    transform 180ms ease,
    filter 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
}

.button-gold {
  color: #151006;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border: 1px solid #f2d79f;
  box-shadow:
    0 13px 34px rgba(215, 167, 94, 0.22),
    inset 0 1px rgba(255, 255, 255, 0.45);
}

.button-outline {
  color: var(--gold-light);
  background: rgba(215, 167, 94, 0.025);
  border: 1px solid rgba(215, 167, 94, 0.42);
}

.download-arrow {
  font-size: 20px;
}

.hero-features {
  margin-top: 23px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px;
}

.hero-features span {
  padding: 7px 12px;
  color: #968a79;
  border: 1px solid rgba(215, 167, 94, 0.15);
  border-radius: 999px;
  font-size: 12px;
}

/* Client carousel */

.client-preview {
  width: min(920px, 100%);
  margin: 48px auto 0;
}

.client-preview-heading {
  margin-bottom: 24px;
  text-align: center;
}

.client-preview-heading > span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.client-preview-heading h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 38px);
}

.client-preview-heading p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.client-carousel {
  position: relative;
  padding: 26px 72px 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, rgba(215, 167, 94, 0.1), transparent 42%),
    rgba(15, 14, 12, 0.76);
  border: 1px solid rgba(215, 167, 94, 0.2);
  border-radius: 28px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.38);
}

.carousel-viewport {
  width: 100%;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 520ms cubic-bezier(.22, .8, .25, 1);
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  margin: 0;
  display: grid;
  grid-template-columns: minmax(220px, 310px) minmax(220px, 1fr);
  align-items: center;
  justify-content: center;
  gap: 42px;
  padding: 10px 24px;
}

.phone-frame {
  position: relative;
  width: min(100%, 300px);
  margin: 0 auto;
  padding: 8px;
  background: #090909;
  border: 1px solid rgba(215, 167, 94, 0.34);
  border-radius: 28px;
  box-shadow:
    0 25px 55px rgba(0, 0, 0, 0.52),
    0 0 40px rgba(215, 167, 94, 0.06);
}

.phone-frame::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 50%;
  width: 58px;
  height: 5px;
  z-index: 2;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.13);
  border-radius: 999px;
}

.phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 500px;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 21px;
}

.carousel-slide figcaption {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  text-align: left;
}

.carousel-slide figcaption > span {
  color: var(--gold);
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}

.carousel-slide figcaption strong {
  display: block;
  margin-bottom: 10px;
  color: var(--gold-light);
  font-size: 25px;
}

.carousel-slide figcaption p {
  max-width: 350px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  width: 46px;
  height: 46px;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  background: rgba(12, 11, 9, 0.9);
  border: 1px solid rgba(215, 167, 94, 0.34);
  border-radius: 50%;
  cursor: pointer;
  transform: translateY(-50%);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.carousel-arrow:hover {
  color: #151006;
  background: var(--gold);
  transform: translateY(-50%) scale(1.06);
}

.carousel-arrow svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.carousel-arrow-prev {
  left: 18px;
}

.carousel-arrow-next {
  right: 18px;
}

.carousel-dots {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.carousel-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  background: rgba(215, 167, 94, 0.25);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition:
    width 180ms ease,
    background 180ms ease;
}

.carousel-dots button.is-active {
  width: 28px;
  background: var(--gold);
}

@media (max-width: 720px) {
  .client-preview {
    margin-top: 36px;
  }

  .client-carousel {
    padding: 22px 45px 18px;
  }

  .carousel-slide {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 4px 8px;
  }

  .phone-frame {
    width: min(100%, 250px);
  }

  .phone-frame img {
    width: 100%;
    height: auto;
    max-height: 430px;
  }

  .carousel-slide figcaption {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .carousel-slide figcaption > span {
    font-size: 25px;
  }

  .carousel-slide figcaption strong {
    font-size: 21px;
  }

  .carousel-arrow {
    width: 38px;
    height: 38px;
  }

  .carousel-arrow-prev {
    left: 7px;
  }

  .carousel-arrow-next {
    right: 7px;
  }
}

@media (max-width: 430px) {
  .client-carousel {
    padding-right: 38px;
    padding-left: 38px;
  }

  .phone-frame {
    width: min(100%, 220px);
  }
}
/* Platform section */

.platform-section {
  padding: 84px 0;
  background:
    linear-gradient(180deg, rgba(215, 167, 94, 0.025), transparent 26%),
    #0b0a09;
  border-top: 1px solid var(--line);
}

.platform-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(55px, 8vw, 110px);
  align-items: start;
}

.platform-copy {
  position: sticky;
  top: 30px;
}

.platform-copy h2 {
  margin: 0;
  font-size: clamp(36px, 4.3vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.05em;
}

.platform-copy > p {
  margin: 22px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.version-note {
  margin-top: 31px;
  padding-top: 25px;
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 14px;
  border-top: 1px solid var(--line);
}

.version-dot {
  width: 8px;
  height: 8px;
  margin-top: 7px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(215, 167, 94, 0.7);
}

.version-note strong {
  display: block;
  margin-bottom: 6px;
}

.version-note p {
  margin: 0;
  color: #8d8375;
  font-size: 14px;
  line-height: 1.7;
}

.platform-list {
  display: grid;
  gap: 16px;
}

.platform-card {
  min-height: 210px;
  padding: 29px;
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(215, 167, 94, 0.045), transparent 54%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.platform-icon {
  width: 70px;
  height: 70px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  background: #1a1712;
  border: 1px solid rgba(215, 167, 94, 0.28);
  border-radius: 18px;
}

.platform-icon svg {
  width: 37px;
  height: 37px;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 1;
}

.platform-details > span {
  color: #827767;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.platform-details h3 {
  margin: 7px 0 0;
  font-size: 26px;
}

.platform-details p {
  max-width: 520px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.platform-download-button {
  min-width: 154px;
  min-height: 46px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #171006;
  background: var(--gold);
  border: 1px solid var(--gold-light);
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
}

.platform-download-button:hover {
  background: var(--gold-light);
}

/* Compact information */

.compact-info {
  padding: 35px 0;
  background: #080706;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.info-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 45px;
}

.info-inner > div span {
  display: block;
  margin-bottom: 7px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.info-inner strong {
  font-size: 17px;
}

.info-inner > p {
  max-width: 650px;
  margin: 0;
  color: #867c6f;
  font-size: 13px;
  line-height: 1.75;
}

/* Footer */

.site-footer {
  padding: 27px 0;
  background: #040403;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-inner img {
  width: auto;
  max-width: 145px;
  max-height: 36px;
  object-fit: contain;
}

.footer-inner p {
  margin: 0;
  color: #6f675d;
  font-size: 13px;
}

/* Responsive */

@media (max-width: 900px) {
  .platform-layout {
    grid-template-columns: 1fr;
  }

  .platform-copy {
    position: static;
  }

  .info-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .page-shell,
  .header-inner {
    width: min(100% - 28px, var(--shell));
  }

  .site-header,
  .header-inner {
    min-height: 66px;
  }

  .brand img {
    max-width: 145px;
    max-height: 38px;
  }

  .header-side > span {
    display: none;
  }

  .header-download {
    min-height: 38px;
    padding: 0 16px;
    font-size: 13px;
  }

  .download-hero {
    min-height: auto;
  }

  .hero-content {
    min-height: auto;
    padding: 58px 0 0;
  }

  .hero-app-icon {
    width: 62px;
    height: 62px;
  }

  .hero-copy h1 strong {
    display: block;
    margin: 8px 0 0;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }
.platform-section {
    padding: 62px 0;
  }

  .platform-card {
    grid-template-columns: 58px minmax(0, 1fr);
    padding: 23px;
  }

  .platform-icon {
    width: 58px;
    height: 58px;
  }

  .platform-icon svg {
    width: 31px;
    height: 31px;
  }

  .platform-download-button {
    grid-column: 2;
    width: fit-content;
    margin-top: 5px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  .hero-copy h1 {
    font-size: 46px;
  }
}