:root {
  --black: #10100f;
  --steel: #272a2d;
  --hazard: #ffcc1a;
  --rust: #d8612c;
  --concrete: #e8e4dc;
  --muted: #8d8a83;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  background: var(--concrete);
  color: var(--black);
  letter-spacing: 0.01em;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
nav,
button,
input {
  font-family: Arial, Helvetica, sans-serif;
}

.site-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  padding: 18px 5vw;
  background: var(--black);
  color: #fff;
}

.logo {
  color: var(--hazard);
  font-size: 1.4rem;
  text-transform: uppercase;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-weight: 800;
}

.hero {
  min-height: 720px;
  padding: 80px 5vw;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 48px;
  align-items: center;
  background:
    linear-gradient(rgba(16, 16, 15, 0.2), rgba(16, 16, 15, 0.2)),
    repeating-linear-gradient(-35deg, transparent 0 34px, rgba(255, 204, 26, 0.22) 34px 62px);
}

.tag {
  color: var(--rust);
  margin: 0 0 12px;
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3.6rem, 8vw, 8rem);
  line-height: 0.88;
  text-transform: uppercase;
  max-width: 1020px;
  margin-bottom: 26px;
}

h2 {
  font-size: clamp(2.8rem, 6vw, 6.2rem);
  line-height: 0.92;
  text-transform: uppercase;
}

.hero p,
.grid p,
.equipment p,
footer p {
  max-width: 780px;
  color: #3f403c;
  font-size: 1.08rem;
  line-height: 1.7;
}

.site-card {
  padding: 28px;
  background: var(--black);
  color: #fff;
  border: 12px solid var(--hazard);
  box-shadow: 20px 20px 0 var(--rust);
}

.site-card span {
  display: block;
  color: var(--hazard);
  font-family: Arial, sans-serif;
  font-weight: 900;
  text-transform: uppercase;
}

.site-card strong {
  display: block;
  margin: 22px 0;
  font-size: 5rem;
  line-height: 0.8;
  text-transform: uppercase;
}

.site-card p {
  color: #d6d1c8;
}

.section {
  padding: 95px 5vw;
}

.field {
  background: var(--black);
  color: #fff;
}

.field .tag {
  color: var(--hazard);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 34px;
}

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

.grid article {
  min-height: 320px;
  padding: 26px;
  border: 2px solid rgba(255, 255, 255, 0.24);
  background: var(--steel);
}

.grid h3 {
  font-size: 2rem;
  line-height: 1;
  text-transform: uppercase;
}

.grid p {
  color: #d5d1c8;
}

.programme {
  padding: 100px 5vw;
  background: var(--hazard);
}

.phase-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 30px 0;
}

.phase {
  border: 4px solid var(--black);
  background: transparent;
  padding: 24px;
  text-align: left;
  font-weight: 900;
  cursor: pointer;
}

.phase.active {
  background: var(--black);
  color: var(--hazard);
}

#phase-text {
  max-width: 850px;
  font-size: 1.2rem;
  line-height: 1.7;
}

.equipment {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
}

.load-widget {
  padding: 34px;
  background: #fff;
  border: 5px solid var(--black);
}

.load-widget input {
  width: 100%;
  accent-color: var(--rust);
}

.load-widget strong {
  display: block;
  margin: 24px 0 12px;
  color: var(--rust);
  font-size: 3rem;
  text-transform: uppercase;
}

.site-ops {
  background: var(--black);
  color: #fff;
}

.site-ops .tag {
  color: var(--hazard);
}

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

.ops-grid article {
  min-height: 300px;
  padding: 26px;
  background: var(--steel);
  border-top: 10px solid var(--hazard);
}

.ops-grid h3 {
  font-size: 2rem;
  line-height: 1;
  text-transform: uppercase;
}

.ops-grid p {
  color: #d5d1c8;
  line-height: 1.7;
}

.command {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  background: #f4f0e8;
}

.command p,
.command-list p {
  font-size: 1.08rem;
  line-height: 1.7;
  color: #3f403c;
}

.command-list {
  display: grid;
  gap: 14px;
}

.command-list p {
  margin: 0;
  padding: 22px;
  border: 4px solid var(--black);
  background: #fff;
  box-shadow: 8px 8px 0 var(--hazard);
}

.toolbelt {
  padding: 100px 5vw;
  background: var(--hazard);
}

.toolbelt div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.toolbelt span {
  padding: 16px 20px;
  border: 4px solid var(--black);
  background: var(--black);
  color: var(--hazard);
  font-family: Arial, sans-serif;
  font-weight: 900;
  text-transform: uppercase;
}

footer {
  padding: 80px 5vw;
  background: var(--black);
  color: #fff;
}

footer p {
  color: #c4beb4;
}

footer a {
  color: var(--hazard);
  font-family: Arial, sans-serif;
  font-weight: 900;
}

@media (max-width: 900px) {
  .site-bar,
  .hero,
  .equipment,
  .command {
    align-items: flex-start;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .grid,
  .phase-board,
  .ops-grid {
    grid-template-columns: 1fr;
  }
}