:root {
  color-scheme: dark;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #08090b;
  color: #f4f5f7;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(ellipse at 50% 17%, rgb(139 145 160 / 9%), transparent 35%),
    #08090b;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgb(255 255 255 / 2.5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2.5%) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at center, #000, transparent 72%);
  content: "";
}

.project-link {
  position: absolute;
  top: 32px;
  right: 38px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 13%);
  border-radius: 50%;
  color: #a7abb4;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.project-link:hover {
  transform: translateY(-2px);
  border-color: rgb(255 255 255 / 38%);
  color: #fff;
}

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

.download {
  width: min(100% - 40px, 900px);
  display: flex;
  align-items: center;
  flex-direction: column;
  padding: 0 0 12px;
  animation: rise-in 900ms cubic-bezier(.2,.7,.2,1) both;
}

.pulse-mark {
  height: 45px;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 26px;
  opacity: .8;
}

.pulse-mark span {
  width: 3px;
  border-radius: 4px;
  background: #f2f3f6;
  box-shadow: 0 0 15px rgb(235 238 245 / 25%);
  animation: pulse-wave 1.8s ease-in-out infinite;
}

.pulse-mark span:nth-child(1),
.pulse-mark span:nth-child(5) {
  height: 13px;
}

.pulse-mark span:nth-child(2),
.pulse-mark span:nth-child(4) {
  height: 27px;
  animation-delay: .12s;
}

.pulse-mark span:nth-child(3) {
  height: 42px;
  animation-delay: .24s;
}

.eyebrow,
.section-index,
.spec-label {
  color: #858a95;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .17em;
}

.eyebrow {
  margin: 0 0 15px;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 7vw, 76px);
  font-weight: 300;
  letter-spacing: .1em;
  line-height: 1.08;
  text-align: center;
  text-shadow: 0 8px 55px rgb(255 255 255 / 13%);
}

h1 span {
  color: #969ba5;
}

.credit {
  position: absolute;
  bottom: 19px;
  color: #484c55;
  font-size: 6px;
  font-weight: 500;
  letter-spacing: .12em;
  user-select: none;
}

.credit-left {
  left: 25px;
}

.credit-right {
  right: 25px;
  color: #25272d;
  font-size: 5px;
}

.download-button {
  min-width: 202px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  margin-top: 34px;
  padding: 0 24px;
  border: 1px solid #f0f1f4;
  border-radius: 4px;
  background: #f0f1f4;
  color: #101115;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.download-button:hover {
  transform: translateY(-3px);
  background: #fff;
  box-shadow: 0 14px 44px rgb(255 255 255 / 15%);
}

.download-button:active {
  transform: translateY(0);
}

.download-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.file-note {
  margin-top: 13px;
  color: #777c86;
  font-size: 10px;
}

.bottom-line {
  position: absolute;
  bottom: 34px;
  left: 50%;
  width: 110px;
  height: 1px;
  overflow: hidden;
  background: rgb(255 255 255 / 12%);
  transform: translateX(-50%);
}

.bottom-line span {
  display: block;
  width: 36%;
  height: 100%;
  background: #f4f5f7;
  animation: scan 3.2s ease-in-out infinite alternate;
}

.information {
  width: min(100% - 48px, 980px);
  margin: 0 auto;
  padding: 52px 0 80px;
}

.section-heading {
  margin: 0 0 19px;
}

.section-index {
  font-size: 9px;
}

h2 {
  margin: 8px 0 0;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -.035em;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.spec-card {
  min-height: 122px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 17px;
  border: 1px solid #252831;
  border-radius: 8px;
  background: linear-gradient(145deg, #111318, #0c0d10);
}

.spec-label {
  font-size: 9px;
  letter-spacing: .1em;
}

.spec-card strong {
  margin-top: 12px;
  font-size: 15px;
  font-weight: 500;
}

.spec-note {
  margin-top: 5px;
  color: #777c86;
  font-size: 10px;
}

.install-heading {
  margin-top: 54px;
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.install-step {
  min-height: 154px;
  display: flex;
  gap: 16px;
  padding: 19px 17px;
  border: 1px solid #252831;
  border-radius: 8px;
  background: #0d0e12;
}

.step-number {
  color: #858a95;
  font-size: 10px;
  letter-spacing: .08em;
}

h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 550;
}

.install-step p {
  margin: 9px 0 0;
  color: #9095a0;
  font-size: 11px;
  line-height: 1.7;
}

.security-note {
  margin: 17px 0 0;
  color: #6f747e;
  font-size: 10px;
  line-height: 1.7;
}

footer {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 max(24px, calc((100% - 980px) / 2));
  border-top: 1px solid #202229;
  color: #6e737d;
  font-size: 10px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-wave {
  0%, 100% {
    opacity: .45;
    transform: scaleY(.8);
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@keyframes scan {
  from {
    transform: translateX(-10%);
  }

  to {
    transform: translateX(190%);
  }
}

@media (max-width: 760px) {
  .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .install-step {
    min-height: 0;
  }
}

@media (max-width: 520px) {
  .project-link {
    top: 20px;
    right: 20px;
  }

  h1 {
    letter-spacing: .045em;
  }

  .credit-left {
    left: 15px;
  }

  .credit-right {
    right: 15px;
  }

  .information {
    width: min(100% - 36px, 440px);
    padding: 38px 0 58px;
  }

  .spec-grid {
    gap: 8px;
  }

  .spec-card {
    min-height: 110px;
    padding: 13px;
  }

  .spec-card strong {
    font-size: 13px;
  }

  footer {
    min-height: 64px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}