:root {
  --ink: #050505;
  --paper: #f2f1ed;
  --blue: #313966;
  --muted: #a7a7a2;
  --line: rgba(242, 241, 237, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: "Space Mono", monospace;
}

a {
  color: inherit;
}

.site-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 4vw;
}

.wordmark,
.nav-link {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.nav-link {
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
}

.hero {
  min-height: calc(100svh - 78px);
  overflow: hidden;
  padding: clamp(70px, 12vh, 140px) 4vw 80px;
  position: relative;
}

.eyebrow,
.section-number {
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin: 0 0 25px;
}

h1,
h2 {
  font-family: "Archivo Black", sans-serif;
  font-weight: 400;
  letter-spacing: -0.07em;
  line-height: 0.86;
  margin: 0;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(4.2rem, 13vw, 12rem);
  max-width: 1200px;
}

.intro {
  color: var(--muted);
  font-size: clamp(0.9rem, 1.4vw, 1.1rem);
  line-height: 1.7;
  margin: 45px 0 35px;
  max-width: 500px;
}

.button {
  align-items: center;
  background: var(--blue);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 700;
  gap: 50px;
  letter-spacing: 0.06em;
  padding: 20px 24px;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  background: var(--paper);
  color: var(--ink);
  transform: translateY(-3px);
}

.signal {
  align-items: center;
  display: flex;
  gap: 7px;
  height: 210px;
  opacity: 0.25;
  position: absolute;
  right: 4vw;
  top: 5vh;
  transform: rotate(-8deg);
}

.signal span {
  animation: pulse 1.2s ease-in-out infinite alternate;
  background: var(--blue);
  height: 18%;
  width: clamp(5px, 0.55vw, 10px);
}

.signal span:nth-child(2n) { animation-delay: -0.35s; height: 55%; }
.signal span:nth-child(3n) { animation-delay: -0.7s; height: 90%; }
.signal span:nth-child(5n) { height: 35%; }

@keyframes pulse {
  to { transform: scaleY(1.55); }
}

.banner-section {
  background: var(--blue);
  padding: clamp(60px, 9vw, 130px) 4vw;
}

.banner-frame {
  background: white;
  border: 8px solid var(--ink);
  box-shadow: 18px 18px 0 var(--ink);
  margin: 0 auto;
  max-width: 1100px;
  padding: clamp(12px, 3vw, 45px);
  transform: rotate(-1deg);
}

.banner-frame img {
  display: block;
  height: auto;
  width: 100%;
}

.about {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr 2fr;
  padding: clamp(90px, 14vw, 190px) 4vw;
}

h2 {
  font-size: clamp(3.2rem, 8vw, 8rem);
}

.about div p {
  color: var(--muted);
  line-height: 1.8;
  margin: 35px 0 0;
  max-width: 620px;
}

footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  font-size: 0.7rem;
  justify-content: space-between;
  letter-spacing: 0.1em;
  padding: 28px 4vw;
}

footer a {
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .signal span { animation: none; }
}

@media (max-width: 700px) {
  .site-header { min-height: 66px; }
  .hero { min-height: auto; padding-bottom: 100px; }
  .signal { height: 110px; opacity: 0.16; }
  h1 { font-size: clamp(3.6rem, 18vw, 6rem); }
  .about { grid-template-columns: 1fr; }
  .button { justify-content: space-between; width: 100%; }
  .banner-frame { border-width: 5px; box-shadow: 10px 10px 0 var(--ink); }
}