@font-face {
  font-family: "Schibsted Grotesk";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("./fonts/schibsted-grotesk-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Fragment Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("./fonts/fragment-mono-latin.woff2") format("woff2");
}

:root {
  --paper: #e4e6e1;
  --ink: #17191b;
  --ink-soft: #4e5356;
  --hairline: #cdd0c9;
  --blue: #2f4d8f;
  --grotesk: "Schibsted Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Fragment Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --shell: 63.75rem;
  --measure: 42rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--grotesk);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--blue);
}

a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

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

.site-shell {
  width: min(calc(100% - (var(--gutter) * 2)), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 20;
  inset: 0 auto auto var(--gutter);
  padding: 0.65rem 0.9rem;
  transform: translateY(-120%);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0.5rem);
}

.masthead {
  min-height: 6rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
}

.brand {
  width: fit-content;
  min-width: 0;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.brand-logo {
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand-name {
  overflow: hidden;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  line-height: 1;
  text-overflow: clip;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: currentColor;
  transition: transform 160ms ease;
}

.site-nav a {
  position: relative;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.eyebrow,
.meta-label,
.figure-caption,
.spec-title,
.footer-copy,
.coverage-list {
  font-family: var(--mono);
}

.eyebrow,
.meta-label,
.spec-title {
  color: var(--ink-soft);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.home-hero {
  position: relative;
  min-height: clamp(30rem, 52vh, 35rem);
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  border-block: 1px solid rgba(23, 25, 27, 0.035);
}

.display-title {
  position: relative;
  z-index: 2;
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.75rem, 6.6vw, 4.65rem);
  font-weight: 500;
  letter-spacing: -0.026em;
  line-height: 1.03;
  text-wrap: balance;
}

.home-atmosphere {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 1;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
}

.home-copy {
  padding-block-end: clamp(5rem, 11vh, 8rem);
}

.home-copy p {
  max-width: var(--measure);
  margin: 0;
  font-size: clamp(1.04rem, 1.5vw, 1.15rem);
  line-height: 1.75;
}

.home-copy p + p {
  margin-block-start: 1.55em;
}

.muted {
  color: var(--ink-soft);
}

.contact-strip {
  padding-block: 1.75rem clamp(4.25rem, 9vh, 6.75rem);
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 2rem;
}

.coverage {
  min-width: 0;
}

.coverage-list {
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.85rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  list-style: none;
  text-transform: uppercase;
}

.coverage-list li + li::before {
  content: "·";
  margin-inline-end: 0.85rem;
  color: var(--hairline);
}

.contact-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.035em;
  overflow-wrap: anywhere;
  text-decoration-line: underline;
}

.about-hero {
  padding-block: clamp(4.5rem, 11vh, 8rem) clamp(3.5rem, 7vh, 5rem);
}

.about-hero .eyebrow {
  display: block;
  margin-block-end: 1.6rem;
}

.about-title {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(2.65rem, 6vw, 4.45rem);
  font-weight: 500;
  letter-spacing: -0.026em;
  line-height: 1.04;
  text-wrap: balance;
}

.about-title span {
  display: block;
}

.about-title .secondary {
  color: var(--ink-soft);
}

.plot {
  margin-block-start: 0;
  margin-block-end: clamp(5rem, 10vh, 7.5rem);
}

.plot-frame {
  position: relative;
  height: clamp(17rem, 34vw, 23rem);
  overflow: hidden;
  border-left: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background-image:
    linear-gradient(to right, rgba(47, 77, 143, 0.075) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47, 77, 143, 0.075) 1px, transparent 1px);
  background-size: clamp(1.4rem, 3vw, 2.25rem) clamp(1.4rem, 3vw, 2.25rem);
}

.plot-curve {
  position: absolute;
  inset: 1.8rem 1rem 1.4rem 0;
  width: calc(100% - 1rem);
  height: calc(100% - 3.2rem);
  overflow: visible;
}

.curve-base,
.curve-trace {
  fill: none;
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.curve-base {
  stroke-width: 1.25;
  opacity: 0.28;
}

.curve-trace {
  stroke-width: 1.9;
}

.curve-dot {
  fill: var(--blue);
}

.plot-label,
.plot-formula {
  position: absolute;
  z-index: 2;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: clamp(0.7rem, 1.25vw, 0.78rem);
  letter-spacing: 0.08em;
  line-height: 1.4;
  pointer-events: none;
}

.plot-label--y {
  inset: 0.45rem auto auto 0.75rem;
}

.plot-label--x {
  inset: auto 0.75rem 0.4rem auto;
  text-align: right;
}

.plot-formula {
  inset: 36% 10% auto auto;
  color: var(--blue);
  letter-spacing: 0.035em;
}

.plot[data-live="true"] .curve-trace {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw-curve 2.4s cubic-bezier(0.3, 0, 0.2, 1) forwards;
}

@keyframes draw-curve {
  to {
    stroke-dashoffset: 0;
  }
}

.figure-caption {
  margin-block-start: 0.85rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  letter-spacing: 0.055em;
  line-height: 1.55;
  text-transform: uppercase;
}

.spec {
  padding-block-end: clamp(5rem, 11vh, 8rem);
}

.spec-row {
  display: grid;
  grid-template-columns: minmax(9rem, 11.5rem) minmax(0, 1fr);
  gap: 1.75rem;
  padding-block: 1.85rem 2.1rem;
  border-top: 1px solid var(--hairline);
}

.spec-title {
  margin: 0;
  padding-block-start: 0.25rem;
  font-weight: 400;
}

.spec-copy {
  max-width: 57ch;
  margin: 0;
  font-size: clamp(1.02rem, 1.45vw, 1.1rem);
  line-height: 1.72;
}

.spec-copy a {
  color: var(--blue);
}

.site-footer {
  flex: 0 0 auto;
  padding-block: 1.6rem 2.15rem;
  border-top: 1px solid var(--hairline);
}

.footer-copy {
  max-width: 88ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
  letter-spacing: 0.025em;
  line-height: 1.7;
}

.footer-copy + .footer-copy {
  margin-block-start: 0.55rem;
}

.not-found {
  min-height: calc(100svh - 15rem);
  padding-block: clamp(5rem, 16vh, 9rem);
}

.not-found h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.026em;
  line-height: 1.04;
}

.not-found p {
  max-width: 34rem;
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.not-found a {
  color: var(--blue);
}

@media (max-width: 45rem) {
  .home-hero {
    min-height: 0;
    display: block;
    padding-block: clamp(5.25rem, 14vh, 7rem) clamp(3.75rem, 8vh, 5rem);
    overflow: hidden;
  }

  .contact-strip {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .coverage-list {
    display: grid;
    grid-template-columns: repeat(2, max-content);
    gap: 0.45rem 1.1rem;
  }

  .coverage-list li + li::before {
    display: none;
  }

  .plot-frame {
    height: 17.5rem;
  }

  .plot-formula {
    inset: 32% 6% auto auto;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding-block: 1.5rem 1.7rem;
  }
}

@media (max-width: 23rem) {
  .masthead {
    gap: 0.6rem;
  }

  .brand {
    gap: 0.6rem;
  }

  .brand-logo {
    width: 1.8rem;
    height: 1.8rem;
  }

  .brand-name {
    font-size: 0.78rem;
    letter-spacing: 0.15em;
  }

  .site-nav a {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
  }

  .display-title {
    font-size: 2.5rem;
  }

  .about-title {
    font-size: 2.4rem;
  }

  .plot-formula {
    inset: 27% 4% auto auto;
    max-width: 9rem;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .plot[data-live="true"] .curve-trace {
    stroke-dasharray: none;
    stroke-dashoffset: 0;
    animation: none;
  }

}

@media print {
  :root {
    --paper: #fff;
  }

  .skip-link,
  .site-nav {
    display: none;
  }

  .plot[data-live="true"] .curve-trace {
    stroke-dasharray: none !important;
    stroke-dashoffset: 0 !important;
    animation: none !important;
  }

  .home-atmosphere {
    display: none;
  }

  .site-footer {
    break-inside: avoid;
  }
}