* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: "Georgia", "Times New Roman", serif;
  color: #ead7b5;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(207, 164, 84, 0.18), transparent 42%),
    repeating-linear-gradient(90deg, #2b1a0c 0 7px, #211207 7px 14px, #321e0e 14px 21px),
    linear-gradient(180deg, #120b06 0%, #241408 100%);
  -webkit-font-smoothing: antialiased;
}

.guide-page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.guide-hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-bottom: 34px;
}

.guide-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px;
  border: 1px solid rgba(221, 177, 93, 0.35);
  background: rgba(14, 8, 4, 0.68);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 10px 30px rgba(0,0,0,0.32);
}

.guide-nav a {
  color: #f0d795;
  text-decoration: none;
  font-family: "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 1px;
  padding: 8px 12px;
  border: 1px solid transparent;
}

.guide-nav a:hover {
  border-color: rgba(240, 215, 149, 0.45);
  background: rgba(240, 215, 149, 0.08);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 42px;
  align-items: end;
  padding-top: 72px;
}

.kicker {
  color: #cda75c;
  font-family: "Courier New", monospace;
  font-size: 13px;
  letter-spacing: 3px;
  margin-bottom: 18px;
}

.hero-copy h1 {
  font-size: clamp(42px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
  color: #f7e1ad;
  text-shadow: 0 4px 18px rgba(0,0,0,0.75);
}

.hero-copy p {
  max-width: 610px;
  margin-top: 26px;
  font-size: 18px;
  line-height: 1.75;
  color: #e0c79c;
}

.signal-board {
  position: relative;
  border: 8px solid #5b3b18;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), transparent 26%),
    linear-gradient(180deg, #16100c, #080503);
  box-shadow:
    inset 0 0 0 2px #0b0502,
    inset 0 18px 36px rgba(255,255,255,0.035),
    0 26px 55px rgba(0,0,0,0.58);
  padding: 28px 24px 30px;
}

.signal-title {
  font-family: "Courier New", monospace;
  color: #f2d98d;
  letter-spacing: 5px;
  font-weight: bold;
  font-size: 14px;
  text-align: center;
  margin-bottom: 26px;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  position: relative;
}

.signal-row span {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #271707;
  font-family: "Courier New", monospace;
  font-weight: bold;
  font-size: 13px;
  background:
    radial-gradient(circle at 35% 28%, #f3dfad, #ba8236 62%, #654014 100%);
  border: 2px solid #2d1b09;
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.36), 0 6px 12px rgba(0,0,0,0.38);
}

.signal-row i {
  display: none;
}

.signal-row::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #caa25d 12%, #caa25d 88%, transparent);
  box-shadow: 0 0 8px rgba(255,200,90,0.45);
  z-index: 0;
}

.signal-row span {
  position: relative;
  z-index: 1;
}

.reflector-node {
  width: min(260px, 72%);
  margin: 24px auto;
  padding: 16px 12px;
  text-align: center;
  font-family: "Courier New", monospace;
  font-weight: bold;
  color: #f1d888;
  letter-spacing: 2px;
  border: 2px solid rgba(241,216,136,0.44);
  background: linear-gradient(180deg, #4d3010, #211105);
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.1), 0 0 22px rgba(196,143,58,0.22);
}

.signal-row.reverse {
  opacity: 0.92;
}

.guide-band {
  padding: 74px 0;
  border-top: 1px solid rgba(224, 182, 108, 0.28);
}

.guide-band.darker {
  background: rgba(7, 4, 2, 0.28);
  box-shadow: 0 0 0 100vmax rgba(7, 4, 2, 0.28);
  clip-path: inset(0 -100vmax);
}

.section-head {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 22px;
  align-items: end;
  margin-bottom: 30px;
}

.section-number {
  font-family: "Courier New", monospace;
  font-size: 18px;
  color: #191006;
  background: linear-gradient(180deg, #e0b765, #84591e);
  border: 2px solid #3b240b;
  padding: 14px 0;
  text-align: center;
  font-weight: bold;
}

.section-head h2 {
  color: #f3dca5;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}

.text-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.text-grid p,
.steps li,
.part-list p {
  color: #dcc39a;
  font-size: 16px;
  line-height: 1.8;
}

.part-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.part-list article {
  min-height: 220px;
  padding: 22px 20px;
  border: 1px solid rgba(213, 166, 83, 0.33);
  background:
    linear-gradient(180deg, rgba(234,199,133,0.08), rgba(0,0,0,0.22)),
    rgba(16, 9, 4, 0.76);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.07);
}

.part-list h3 {
  color: #f1d892;
  font-size: 20px;
  margin-bottom: 14px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  list-style-position: inside;
  counter-reset: step;
}

.steps li {
  list-style: none;
  min-height: 136px;
  padding: 20px;
  border-left: 4px solid #be8e3c;
  background: rgba(18, 10, 4, 0.72);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  color: #cda75c;
  font-family: "Courier New", monospace;
  font-weight: bold;
  margin-bottom: 10px;
}

.steps strong {
  color: #f2d891;
}

@media (max-width: 900px) {
  .guide-page {
    width: min(100% - 22px, 760px);
    padding-top: 16px;
  }

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

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 48px;
  }

  .signal-board {
    padding: 22px 14px 24px;
  }

  .signal-row {
    gap: 7px;
  }

  .signal-row span {
    min-height: 58px;
    font-size: 11px;
  }

  .section-head,
  .text-grid,
  .part-list,
  .steps {
    grid-template-columns: 1fr;
  }

  .section-number {
    width: 84px;
  }

  .part-list article,
  .steps li {
    min-height: auto;
  }

}