:root {
  --ink:        #000000;
  --paper:      #ffffff;
  --fog:        #f4f4f4;
  --gray-mid:   #8c8c8c;
  --line:       #e2e2e2;
  --dot:        #d4d4d4;
  --accent:     #d71921;

  --font-display: "Silkscreen", "Courier New", monospace;
  --font-body:    "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "Space Mono", ui-monospace, "SF Mono", monospace;

  --step--1: clamp(0.78rem, 0.74rem + 0.2vw, 0.875rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --step-1:  clamp(1.3rem, 1.15rem + 0.7vw, 1.6rem);
  --step-2:  clamp(2rem, 1.5rem + 2.4vw, 3.25rem);
  --step-3:  clamp(3.4rem, 1.8rem + 7.8vw, 9rem);

  --gutter: clamp(1.25rem, 0.8rem + 2.2vw, 3rem);
  --section-y: clamp(4rem, 2.5rem + 7vw, 9rem);
  --maxw: 1180px;

  --dur: 0.45s;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection { background: var(--ink); color: var(--paper); }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section + .section { border-top: 1px solid var(--line); }
.section--fog {
  background: var(--fog);
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 40px 40px;
}

.display {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.08em;
  font-size: var(--step-3);
  text-transform: lowercase;
}

h2.heading {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--step-2);
  line-height: 1;
  letter-spacing: 0;
  text-transform: lowercase;
}

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 62%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 64px;
}
.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: -0.08em;
  text-transform: lowercase;
}
.site-main { padding-top: 64px; }

.hero {
  padding-block: clamp(4.5rem, 2rem + 12vw, 11rem) var(--section-y);
}
.hero__inner { display: grid; gap: clamp(1.5rem, 1rem + 2vw, 2.5rem); }
.hero__title { max-width: 14ch; }
.hero__title .dim { color: var(--gray-mid); }
.hero__lead {
  max-width: 46ch;
  font-size: var(--step-1);
  line-height: 1.4;
  color: var(--ink);
}

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  --bg: var(--ink); --fg: var(--paper); --bd: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.5em;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--bd);
  border-radius: 0;
  cursor: pointer;
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease);
}
.btn:hover { --bg: transparent; --fg: var(--ink); }
.btn--ghost { --bg: transparent; --fg: var(--ink); --bd: var(--ink); }
.btn--ghost:hover { --bg: var(--ink); --fg: var(--paper); }

.grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
.card {
  background: var(--paper);
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  display: grid;
  gap: 0.75rem;
  align-content: center;
  min-height: 220px;
  transition: background var(--dur) var(--ease);
}
.card:hover { background: var(--fog); }
.card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--step-1);
  line-height: 1;
  text-transform: lowercase;
}
.card__body { color: var(--gray-mid); font-size: var(--step--1); line-height: 1.55; }

.section__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: clamp(2rem, 1rem + 3vw, 3.5rem);
}

.footer { border-top: 1px solid var(--ink); padding-block: var(--section-y); }
.footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 2rem;
}
.footer__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-2);
  line-height: 0.9;
  text-transform: lowercase;
}
.footer__meta {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gray-mid);
  text-align: right;
  display: grid;
  gap: 0.4rem;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    animation: rise var(--dur) var(--ease) forwards;
  }
  .reveal:nth-child(2) { animation-delay: 0.06s; }
  .reveal:nth-child(3) { animation-delay: 0.12s; }
  .reveal:nth-child(4) { animation-delay: 0.18s; }
  @keyframes rise {
    to { opacity: 1; transform: none; }
  }
}

@media (max-width: 600px) {
  .footer__meta { text-align: left; }
}