:root {
  color-scheme: dark;
  --bg: #071426;
  --bg-deep: #04101f;
  --surface: rgba(11, 26, 53, 0.72);
  --surface-strong: rgba(8, 21, 43, 0.9);
  --line: rgba(132, 180, 255, 0.18);
  --text: #f7fbff;
  --text-muted: #b9c7dc;
  --blue: #168cff;
  --blue-deep: #0756d8;
  --violet: #7c3aed;
  --focus: #8ccaff;
  --container: 1400px;
  --header-height: 60px;
  font-family: "Cabinet Grotesk", "PingFang SC", "Microsoft YaHei",
    "Noto Sans SC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #ffffff;
  color: #071426;
  transform: translateY(-140%);
  transition: transform 180ms ease;
}

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

.page-shell {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

.site-header {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto;
  padding: 12px clamp(18px, 3vw, 44px) 0;
  transition: padding 240ms ease;
}

.nav-shell {
  display: flex;
  align-items: center;
  width: min(100%, var(--container));
  min-height: var(--header-height);
  margin: 0 auto;
  padding: 0 22px;
  border: 1px solid rgba(215, 231, 255, 0.32);
  border-radius: 14px;
  background: linear-gradient(115deg, rgba(9, 103, 232, 0.86) 0%, rgba(7, 86, 216, 0.84) 58%, rgba(83, 50, 201, 0.8) 100%), rgba(9, 16, 28, 0.3);
  box-shadow: inset 0 1px 0 rgba(235, 244, 255, 0.22), 0 8px 24px rgba(31, 42, 104, 0.14);
  backdrop-filter: blur(32px) saturate(160%);
  -webkit-backdrop-filter: blur(32px) saturate(160%);
  transition:
    min-height 240ms ease,
    border-color 240ms ease,
    background-color 240ms ease;
}

.site-header.is-scrolled {
  padding-top: 8px;
}

.site-header.is-scrolled .nav-shell {
  min-height: 56px;
  border-color: rgba(215, 231, 255, 0.38);
  background-color: rgba(9, 16, 28, 0.4);
}

.brand {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  width: 100px;
  height: 44px;
  overflow: hidden;
  text-decoration: none;
}

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

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 1.7vw, 28px);
  margin-left: auto;
}

.desktop-nav > a,
.desktop-nav .nav-dropdown-toggle {
  position: relative;
  padding: 16px 0;
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease;
}

.desktop-nav > a::after,
.desktop-nav .nav-dropdown-toggle::after {
  position: absolute;
  right: 0;
  bottom: 8px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: #062653;
  content: "";
  opacity: 0;
  transform: scaleX(0.45);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.desktop-nav > a:hover,
.desktop-nav .nav-dropdown-toggle:hover,
.desktop-nav .nav-dropdown-toggle[aria-expanded="true"] {
  color: #ffffff;
}

@media (hover: hover) and (pointer: fine) {
  .desktop-nav > a:hover::after,
  .desktop-nav .nav-dropdown-toggle:hover::after {
    opacity: 1;
    transform: scaleX(1);
  }
}

.menu-toggle,
.mobile-nav {
  display: none;
}

/* Click-to-open navigation disclosure, not a hover-only menu. */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle { display: flex; align-items: center; gap: 7px; min-height: 46px; border: 0; background: transparent; color: inherit; cursor: pointer; }
.nav-dropdown-toggle svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.4; transition: transform 180ms ease; }
.nav-dropdown-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav-submenu { position: absolute; top: calc(100% + 12px); left: -18px; display: grid; gap: 4px; min-width: 176px; padding: 8px; border: 1px solid #344259; border-radius: 10px; background: #101b2c; box-shadow: 0 14px 32px #00000035; }
.nav-submenu[hidden] { display: none; }
.nav-submenu a, .nav-submenu button { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 46px; width: 100%; padding: 11px 12px; border: 0; border-radius: 6px; background: transparent; color: #dbe6f5; font: inherit; font-size: 13px; line-height: 1.5; text-decoration: none; text-align: left; white-space: nowrap; cursor: pointer; transition: background-color 180ms, color 180ms; }
.nav-submenu a:hover, .nav-submenu button:hover, .nav-submenu a:focus-visible, .nav-submenu button:focus-visible { background: #203856; color: #fff; }
.nav-submenu span { color: #8fafd5; font-size: 12px; }

.hero {
  position: relative;
  display: grid;
  min-height: max(780px, 100svh);
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 46%, rgba(22, 140, 255, 0.18), transparent 32%),
    linear-gradient(135deg, #071426 0%, #061124 52%, #09162c 100%);
}

.hero::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
  content: "";
  mix-blend-mode: soft-light;
  opacity: 0.035;
  pointer-events: none;
}

.hero-scene {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-scene .scene-layer {
  position: absolute;
  inset: 0;
}

.scene-layer img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  opacity: 1;
}

.scene-scrim {
  position: absolute;
  z-index: 2;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(4, 15, 31, 0.99) 0%,
      rgba(4, 15, 31, 0.95) 28%,
      rgba(4, 15, 31, 0.7) 43%,
      rgba(4, 15, 31, 0.18) 66%,
      rgba(4, 15, 31, 0.08) 100%
    ),
    linear-gradient(180deg, rgba(3, 12, 26, 0.42), transparent 24%, transparent 78%, rgba(3, 12, 26, 0.72));
}











.hero-layout {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: dense;
  align-items: center;
  width: min(100%, var(--container));
  min-height: 100%;
  margin: 0 auto;
  padding: calc(var(--header-height) + 88px) clamp(28px, 4vw, 68px) 104px;
}

.hero-copy {
  grid-column: 1 / span 5;
  width: min(100%, 650px);
}

.visual-safe-zone {
  grid-column: 6 / span 7;
  min-height: 1px;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: #b9d9ff;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.12em;
}

.hero-kicker span {
  width: 36px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), #a17cff);
}

.hero h1 {
  width: 100%;
  max-width: 650px;
  margin: 0;
  color: var(--text);
  font-size: clamp(48px, 4.15vw, 72px);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 1.1;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
}

.hero h1 span:first-child {
  white-space: nowrap;
}

.hero h1 span:last-child {
  margin-top: 4px;
  background: linear-gradient(98deg, #ffffff 0%, #9ecfff 45%, #bea8ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-description {
  max-width: 585px;
  margin: 28px 0 0;
  color: var(--text-muted);
  font-size: clamp(16px, 1.25vw, 18px);
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 650;
  line-height: 1;
  text-decoration: none;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease,
    box-shadow 220ms ease;
}


.button > * {
  position: relative;
  z-index: 1;
}


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

.button-primary {
  gap: 10px;
  background: linear-gradient(135deg, #0967e8 0%, #0756d8 58%, #5332c9 120%);
  box-shadow: 0 14px 34px rgba(7, 86, 216, 0.3);
  color: #ffffff;
}

.button-primary:hover {
  box-shadow: 0 18px 42px rgba(7, 86, 216, 0.42);
}

.button-primary svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  transition: transform 220ms ease;
}

.button-primary:hover svg {
  transform: translateX(3px);
}

.button-secondary {
  border-color: rgba(174, 206, 255, 0.32);
  background: rgba(11, 29, 58, 0.66);
  color: #ffffff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.button-secondary:hover {
  border-color: rgba(174, 206, 255, 0.6);
  background: rgba(19, 42, 78, 0.82);
}

.delivery-flow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 32px;
  color: rgba(216, 230, 249, 0.62);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.delivery-flow i {
  width: 18px;
  height: 1px;
  background: rgba(98, 166, 255, 0.3);
}










.scroll-cue {
  position: absolute;
  z-index: 6;
  bottom: 34px;
  left: clamp(28px, 4vw, 68px);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: rgba(220, 234, 251, 0.62);
  font-size: 12px;
  text-decoration: none;
  transition: color 180ms ease;
}

.scroll-cue:hover {
  color: #ffffff;
}

.scroll-cue svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.prototype-scope {
  min-height: 72vh;
  padding: clamp(110px, 13vw, 190px) clamp(28px, 5vw, 72px);
  background: #f7f9fc;
  color: #14213d;
}

.scope-heading,
.scope-grid {
  width: min(100%, 1240px);
  margin-inline: auto;
}

.scope-heading p,
.scope-grid article > span {
  margin: 0 0 14px;
  color: #0756d8;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.scope-heading h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 4.6vw, 68px);
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 1px;
  margin-top: 70px;
  overflow: hidden;
  border: 1px solid #dde6f0;
  border-radius: 22px;
  background: #dde6f0;
}

.scope-grid article {
  min-height: 270px;
  padding: clamp(28px, 4vw, 52px);
  background: #ffffff;
}

.scope-grid h3 {
  max-width: 450px;
  margin: 0;
  color: #0c1c36;
  font-size: clamp(24px, 2.2vw, 34px);
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.scope-grid p {
  max-width: 500px;
  margin: 22px 0 0;
  color: #64748b;
  font-size: 16px;
  line-height: 1.75;
}

@media (max-width: 1180px) {
  .brand {
    width: 94px;
  }

  .desktop-nav {
    gap: 16px;
  }

  .desktop-nav > a,
  .desktop-nav .nav-dropdown-toggle {
    font-size: 13px;
  }

  .hero-copy {
    grid-column: 1 / span 6;
  }

  .visual-safe-zone {
    grid-column: 7 / span 6;
  }

  .scene-scrim {
    background:
      linear-gradient(90deg, rgba(4, 15, 31, 0.99) 0%, rgba(4, 15, 31, 0.94) 36%, rgba(4, 15, 31, 0.35) 66%, rgba(4, 15, 31, 0.12) 100%),
      linear-gradient(180deg, rgba(3, 12, 26, 0.44), transparent 30%, transparent 74%, rgba(3, 12, 26, 0.72));
  }
}

@media (max-width: 940px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
    place-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    margin-left: auto;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: #ffffff;
    cursor: pointer;
    transition: background-color 180ms ease;
  }

  .menu-toggle:hover,
  .menu-toggle[aria-expanded="true"] {
    background: rgba(191, 207, 230, 0.08);
  }

  .menu-toggle span {
    display: block;
    width: 20px;
    height: 1.5px;
    border-radius: 999px;
    background: currentColor;
    transition:
      transform 180ms ease,
      opacity 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.75px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.75px) rotate(-45deg);
  }

  .mobile-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: clamp(18px, 3vw, 44px);
    left: clamp(18px, 3vw, 44px);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px;
    max-height: calc(100svh - 112px);
    padding: 12px;
    overflow: auto;
    border: 1px solid rgba(151, 190, 255, 0.2);
    border-radius: 18px;
    background: rgba(4, 16, 34, 0.96);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.36);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .mobile-nav[hidden] {
    display: none;
  }

  .mobile-nav > a,
  .mobile-nav .nav-dropdown-toggle {
    min-height: 48px;
    padding: 13px 14px;
    border-radius: 10px;
    color: #d8e7fb;
    text-decoration: none;
  }

  .mobile-nav > a:hover,
  .mobile-nav .nav-dropdown-toggle:hover {
    background: rgba(22, 140, 255, 0.12);
    color: #ffffff;
  }

  .mobile-nav .nav-dropdown-toggle { width: 100%; justify-content: space-between; font-size: 16px; line-height: 1.6; }
  .mobile-nav .nav-submenu { position: static; min-width: 0; margin: 2px 0 6px 14px; padding: 4px 0 4px 8px; border: 0; border-left: 1px solid #42648a; border-radius: 0; background: transparent; box-shadow: none; }

  .hero-copy {
    grid-column: 1 / span 7;
  }

  .visual-safe-zone {
    grid-column: 8 / span 5;
  }

  .delivery-flow {
    flex-wrap: wrap;
    max-width: 420px;
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 52px;
  }

  .site-header {
    padding: 8px 12px 0;
  }

  .nav-shell {
    min-height: var(--header-height);
    padding: 0 14px;
    border-radius: 12px;
  }

  .site-header.is-scrolled {
    padding-top: 6px;
  }

  .site-header.is-scrolled .nav-shell {
    min-height: 52px;
  }

  .brand {
    width: 80px;
    height: 44px;
  }

  .mobile-nav {
    top: calc(100% + 6px);
    right: 12px;
    left: 12px;
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 880px;
  }

  .hero-layout {
    display: block;
    padding: 112px 20px 440px;
  }

  .hero-copy {
    width: 100%;
    max-width: 610px;
  }

  .hero-kicker {
    margin-bottom: 17px;
    font-size: 12px;
    letter-spacing: 0.1em;
  }

  .hero h1 {
    max-width: 610px;
    font-size: clamp(39px, 11.5vw, 55px);
    letter-spacing: -0.055em;
    line-height: 1.12;
  }

  .hero h1 span:first-child {
    max-width: 9.5em;
    white-space: normal;
  }

  .hero-description {
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.72;
  }

  .hero-actions {
    gap: 10px;
    margin-top: 26px;
  }

  .button {
    min-height: 50px;
    padding: 0 19px;
  }

  .delivery-flow {
    display: none;
  }

  .hero-scene {
    top: 390px;
    bottom: 42px;
  }

  .scene-layer img {
    object-fit: cover;
    object-position: 71% 50%;
  }

  .scene-scrim {
    background:
      linear-gradient(180deg, #071426 0%, rgba(7, 20, 38, 0.9) 8%, rgba(7, 20, 38, 0.08) 36%, rgba(7, 20, 38, 0.08) 74%, #071426 100%),
      linear-gradient(90deg, rgba(7, 20, 38, 0.46), transparent 34%, transparent 82%, rgba(7, 20, 38, 0.22));
  }


  .desktop-only {
    display: none;
  }


  .scroll-cue {
    right: 20px;
    bottom: 22px;
    left: auto;
  }

  .prototype-scope {
    min-height: auto;
    padding: 100px 20px;
  }

  .scope-grid {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }

  .scope-grid article {
    min-height: auto;
  }
}

@media (max-width: 430px) {
  .hero {
    min-height: 940px;
  }

  .hero-layout {
    padding-bottom: 472px;
  }

  .hero-scene {
    top: 450px;
  }

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

  .button {
    width: 100%;
  }

}

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

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


}

/* A complete blueprint and its corresponding finished room share a fixed camera. */
.scene-layer { display: block; width: 100%; height: 100%; }
.scene-blueprint { z-index: 0; visibility: hidden; }
.scene-realistic { z-index: 1; opacity: 1; }
.motion-ready .scene-blueprint { visibility: visible; }
.motion-ready .scene-realistic {
  opacity: 0;
  -webkit-mask-image: linear-gradient(to right, black 33.333%, transparent 66.667%);
  mask-image: linear-gradient(to right, black 33.333%, transparent 66.667%);
  -webkit-mask-size: 300% 100%;
  mask-size: 300% 100%;
  -webkit-mask-position: 100% 0%;
  mask-position: 100% 0%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}
[id] { scroll-margin-top: 108px; }
@media (max-width: 767px) {
  /* On phones both full room images use the identical crop. */
  .motion-ready .scene-realistic {
    -webkit-mask-image: none;
    mask-image: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .scene-blueprint { visibility: hidden !important; }
  .scene-realistic { opacity: 1 !important; -webkit-mask-image: none !important; mask-image: none !important; }
}