/* ---------------------------------------------------------
   NUMERIS - design tokens (sampled from brand reference)
--------------------------------------------------------- */
:root {
  --black: #060606;
  --green: #28bb39;
  --gray-bg: #dbdbdb;
  --heading: #e6e6e6;
  --sub: #c2c2c2;
  --label: #949494;
  --black-text: #0a0a0a;
  --footer-text: #444;

  --font: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --container: 1160px;
  --gutter: clamp(20px, 6vw, 100px);
}

* { box-sizing: border-box; }

html { background: var(--black); }

body {
  margin: 0;
  background: var(--black);
  color: var(--heading);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

::selection { background: var(--green); color: #0a0a0a; }

/* ---------------------------------------------------------
   Header
--------------------------------------------------------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 34px var(--gutter) 0;
}

.logo img { height: clamp(22px, 3vw, 38px); width: auto; }

.nav-link {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--green);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--green);
  transition: opacity 0.2s ease;
}

.nav-link:hover { opacity: 0.8; }

/* ---------------------------------------------------------
   Hero
--------------------------------------------------------- */
.hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px var(--gutter) 110px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.875rem, 6vw, 3.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin: 0;
}

.hero-sub {
  margin: 22px auto 0;
  max-width: 620px;
  font-size: clamp(0.9375rem, 3vw, 1.5625rem);
  color: var(--sub);
}

.section-label {
  margin: 88px 0 34px;
  font-size: clamp(1.0625rem, 2.8vw, 1.5rem);
  color: var(--label);
}

.logo-row {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(32px, 4vw, 56px) clamp(40px, 6vw, 80px);
  margin: 0;
  padding: 0;
}

.logo-row img {
  filter: grayscale(1) brightness(0) invert(1);
  opacity: 0.6;
  transition: opacity 0.25s ease, filter 0.25s ease;
  height: clamp(20px, 4vw, 37px);
  width: auto;
}

.press-row img { opacity: 0.55; }

.company-row img {
  filter: grayscale(1) brightness(1.9);
  opacity: 0.75;
  height: clamp(20px, 4.3vw, 40px);
}

.company-row li.tall img {
  height: clamp(26px, 5.5vw, 50px);
}

.company-row a:hover img {
  opacity: 1;
  filter: none;
}

/* ---------------------------------------------------------
   About + footer (light section)
--------------------------------------------------------- */
.about {
  background: var(--gray-bg);
  clip-path: polygon(0 3.5%, 100% 0, 100% 100%, 0 100%);
  margin-top: -1px;
  padding: 100px var(--gutter) 70px;
}

.about-copy {
  max-width: 400px;
  margin: 0 auto 24px;
  color: var(--black-text);
  font-size: 0.98rem;
  line-height: 1.6;
}

.about-copy:last-child { margin-bottom: 0; }

.site-footer {
  background: var(--gray-bg);
  padding: 0 var(--gutter) 40px;
  text-align: center;
}

.copyright {
  margin: 0;
  font-size: 12px;
  color: var(--footer-text);
}

/* ---------------------------------------------------------
   Scroll reveal
--------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------------------------------------------------------
   Responsive
--------------------------------------------------------- */
@media (min-width: 1600px) {
  .about-copy { max-width: 460px; font-size: 1.05rem; }
}

@media (max-width: 640px) {
  .logo-row { gap: 32px 36px; }
  .section-label { margin: 64px 0 26px; }
  .hero { padding: 64px var(--gutter) 80px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
}