:root {
  --ink: #17211d;
  --muted: #69716d;
  --paper: #f7f4ec;
  --paper-warm: #eee9dc;
  --accent: #e46d32;
  --accent-dark: #b84a20;
  --line: rgba(23, 33, 29, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial,
    sans-serif;
}

a {
  color: inherit;
}

.site-shell {
  position: relative;
  display: grid;
  min-height: 100svh;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  padding: 34px clamp(24px, 5vw, 76px) 30px;
  isolation: isolate;
}

.site-shell::before {
  position: absolute;
  z-index: -3;
  inset: 0;
  background-image: linear-gradient(rgba(23, 33, 29, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 33, 29, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.72), transparent 72%);
}

.ambient {
  position: absolute;
  z-index: -2;
  border-radius: 999px;
  filter: blur(1px);
  pointer-events: none;
}

.ambient-one {
  top: -28vw;
  right: -15vw;
  width: 63vw;
  height: 63vw;
  background: radial-gradient(circle, rgba(228, 109, 50, 0.16), transparent 68%);
}

.ambient-two {
  bottom: -34vw;
  left: -27vw;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, rgba(91, 125, 108, 0.14), transparent 66%);
}

.network {
  position: absolute;
  z-index: -1;
  inset: 86px 5vw 88px auto;
  width: min(37vw, 570px);
  pointer-events: none;
  opacity: 0.72;
}

.network::before,
.network::after {
  position: absolute;
  width: 54%;
  height: 42%;
  border: 1px solid rgba(228, 109, 50, 0.22);
  border-radius: 50%;
  content: "";
  transform: rotate(-18deg);
}

.network::before {
  top: 10%;
  right: 2%;
}

.network::after {
  right: 22%;
  bottom: 6%;
  border-color: rgba(23, 33, 29, 0.12);
  transform: rotate(28deg);
}

.network-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(228, 109, 50, 0.3), transparent);
  transform-origin: left center;
}

.line-one {
  top: 32%;
  left: 3%;
  width: 82%;
  transform: rotate(27deg);
}

.line-two {
  top: 72%;
  left: 17%;
  width: 73%;
  transform: rotate(-36deg);
}

.network-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1px rgba(228, 109, 50, 0.24),
    0 0 24px rgba(228, 109, 50, 0.25);
  animation: node-pulse 5s ease-in-out infinite;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header {
  z-index: 2;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(23, 33, 29, 0.18);
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  border: 1px solid var(--accent);
  border-radius: 50%;
  content: "";
}

.brand-mark::before {
  width: 19px;
  height: 9px;
  transform: rotate(38deg);
}

.brand-mark::after {
  width: 19px;
  height: 9px;
  transform: rotate(-38deg);
}

.brand-core {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.domain {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.hero {
  display: flex;
  width: min(100%, 790px);
  flex-direction: column;
  align-items: flex-start;
  align-self: center;
  padding: clamp(68px, 11vh, 128px) 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 28px;
  color: var(--accent-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(228, 109, 50, 0.11);
}

h1 {
  margin: 0;
  font-size: clamp(58px, 9.5vw, 142px);
  font-weight: 780;
  letter-spacing: -0.065em;
  line-height: 0.93;
}

h1 span {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
}

.hero-copy {
  max-width: 480px;
  margin: 35px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
  letter-spacing: 0.02em;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 38px;
  padding: 10px 15px 10px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  box-shadow: 0 12px 40px rgba(23, 33, 29, 0.05);
  backdrop-filter: blur(12px);
}

.status-icon {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: rgba(228, 109, 50, 0.12);
}

.status-icon span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: status-pulse 2s ease-in-out infinite;
}

.status > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.status strong {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.status small {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.site-footer {
  justify-content: flex-start;
  gap: 18px;
  color: var(--muted);
  font-size: 12px;
}

.site-footer a {
  text-underline-offset: 3px;
  transition: color 180ms ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent-dark);
}

.footer-separator {
  width: 28px;
  height: 1px;
  background: var(--line);
}

@keyframes node-pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.75);
  }
  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

@keyframes status-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(228, 109, 50, 0.36);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(228, 109, 50, 0);
  }
}

@media (max-width: 720px) {
  .site-shell {
    padding: 24px 22px 25px;
  }

  .site-shell::before {
    background-size: 42px 42px;
  }

  .domain {
    display: none;
  }

  .network {
    top: 76px;
    right: -14vw;
    width: 73vw;
    opacity: 0.45;
  }

  .hero {
    padding: 68px 0 76px;
  }

  .eyebrow {
    margin-bottom: 22px;
  }

  h1 {
    font-size: clamp(56px, 19vw, 92px);
    line-height: 0.97;
  }

  .hero-copy {
    margin-top: 28px;
  }

  .site-footer {
    flex-wrap: wrap;
    gap: 8px 12px;
  }

  .footer-separator {
    width: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}