/* Lawton IS brand: Outfit and Space Mono (SIL Open Font License), served from this server. */
@font-face {
  font-family: "Outfit";
  src: url("/fonts/outfit-latin-ext.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Outfit";
  src: url("/fonts/outfit-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Mono";
  src: url("/fonts/space-mono-400-latin-ext.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Space Mono";
  src: url("/fonts/space-mono-400-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Mono";
  src: url("/fonts/space-mono-700-latin-ext.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Space Mono";
  src: url("/fonts/space-mono-700-latin.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Design tokens, named as on www.lawton-is.com */
:root {
  --color-bg-primary: #0a0e17;
  --color-bg-secondary: #111827;
  --color-bg-tertiary: #1a2234;
  --color-bg-card: rgba(26, 34, 52, 0.6);
  --color-text-primary: #f8fafc;
  --color-text-secondary: #b0b8c4;
  --color-text-muted: #8a94a6;
  --color-accent-primary: #00d4aa;
  --color-accent-secondary: #0a84ff;
  --color-accent-tertiary: #6366f1;
  --color-alert: #ff8f8f;
  --gradient-primary: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
  --gradient-text: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 50%, var(--color-accent-tertiary) 100%);
  --shadow-glow: 0 0 40px rgba(0, 212, 170, 0.15);
  --hairline: rgba(255, 255, 255, 0.05);
  --font-primary: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --header-height: 70px;
  color-scheme: dark;
}

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

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-md);
  color: var(--color-bg-primary);
  background: var(--color-accent-primary);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  padding-top: env(safe-area-inset-top, 0px);
  border-bottom: 1px solid var(--hairline);
  background: rgba(10, 14, 23, 0.95);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  flex: none;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-accent,
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 0.5rem 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 150ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  border-radius: 1px;
  background: var(--gradient-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border: 2px solid transparent;
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: all 250ms ease;
}

.btn-primary {
  color: var(--color-bg-primary);
  background: var(--gradient-primary);
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-outline,
.action[data-variant="quiet"] {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-text-primary);
  background: transparent;
}

.btn-outline:hover,
.action[data-variant="quiet"]:hover {
  border-color: var(--color-accent-primary);
  box-shadow: none;
  transform: none;
}

.btn-sm {
  padding: 0.5rem 1.5rem;
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 3px;
}

/* Hero */
.hero {
  padding: 5rem 0 3rem;
  background:
    radial-gradient(52rem 26rem at 88% -12%, rgba(10, 132, 255, 0.16), transparent 62%),
    radial-gradient(40rem 22rem at -6% 0%, rgba(0, 212, 170, 0.1), transparent 60%);
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--color-accent-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero .eyebrow {
  margin-bottom: 1.5rem;
  letter-spacing: 0.2em;
}

h1 {
  max-width: 16ch;
  margin-bottom: 1.5rem;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
}

.lede {
  max-width: 38rem;
  color: var(--color-text-secondary);
  font-size: 1.125rem;
}

.host {
  color: var(--color-text-primary);
  font-weight: 500;
  overflow-wrap: anywhere;
}

.run {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
  margin-top: 2.5rem;
}

.action {
  min-width: 12rem;
}

.status {
  max-width: 34rem;
  color: var(--color-text-secondary);
}

.status[data-tone="alert"] {
  color: var(--color-alert);
  font-weight: 500;
}

.progress {
  height: 4px;
  margin-top: 2.5rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.progress-fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-primary);
  transition: width 0.4s ease;
}

/* Cards */
.card {
  border: 1px solid var(--hairline);
  border-radius: var(--border-radius-lg);
  background: var(--color-bg-card);
}

.results {
  padding-bottom: 1rem;
}

.speed-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.speed-card {
  padding: 2rem;
}

.card-label {
  margin-bottom: 1rem;
  color: var(--color-accent-primary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.speed-value {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  min-height: 1.1em;
  font-size: clamp(2.75rem, 6vw, 4rem);
  line-height: 1.1;
}

.speed-value .num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.speed-card.empty .num {
  background: none;
  color: var(--color-text-muted);
  -webkit-text-fill-color: currentColor;
}

.speed-value .unit {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  font-weight: 500;
}

.speed-bar {
  height: 8px;
  margin-top: 1.75rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.speed-fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-primary);
  transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.speed-scale {
  position: relative;
  height: 1.5rem;
  margin-top: 0.5rem;
}

.scale-label {
  position: absolute;
  top: 0;
  translate: -50% 0;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: nowrap;
}

.scale-label.first {
  translate: 0 0;
}

.scale-label.last {
  translate: -100% 0;
}

.block {
  margin-top: 3.5rem;
}

/* Latency */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 1.5rem;
  margin: 0;
}

.stat {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  padding: 1.5rem;
  text-align: center;
}

.stat dt {
  margin-top: 0.35rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat .u {
  margin-left: 0.3em;
  color: var(--color-text-secondary);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 500;
}

.stat .delta {
  display: block;
  color: var(--color-text-muted);
  font-family: var(--font-primary);
  font-size: 0.8125rem;
  font-weight: 400;
}

/* Ratings */
.ratings-card {
  padding: 1.75rem 2rem;
}

.rating-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rating {
  display: grid;
  grid-template-columns: 10rem auto minmax(0, 1fr);
  align-items: center;
  gap: 1.25rem;
}

.rating-name {
  color: var(--color-text-secondary);
}

.rating-scale {
  display: inline-flex;
  gap: 4px;
}

.rating-scale span {
  width: 2rem;
  height: 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.rating-scale span.on {
  background: var(--gradient-primary);
}

.rating-word {
  font-weight: 600;
}

.note {
  margin-top: 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Charts */
.plot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.plot {
  min-width: 0;
  margin: 0;
  padding: 1.5rem;
}

.plot-wide {
  grid-column: 1 / -1;
}

.plot h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.plot p {
  margin: 0.25rem 0 1rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.chart {
  min-height: 220px;
}

.chart svg {
  display: block;
  overflow: visible;
}

.chart text {
  fill: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.chart .axis {
  stroke: rgba(255, 255, 255, 0.2);
  stroke-width: 1;
}

.chart .gridline {
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 1;
}

.chart .point {
  fill: rgba(0, 212, 170, 0.12);
  stroke: var(--color-accent-primary);
  stroke-width: 1.5;
}

.chart path.point {
  fill: var(--color-accent-primary);
  stroke: none;
}

.chart .result {
  stroke: var(--color-accent-secondary);
  stroke-width: 2;
}

.chart .result-label {
  fill: var(--color-text-primary);
  font-size: 12px;
  font-weight: 700;
}

/* Test details */
.details-card {
  padding: 1.75rem 2rem;
}

.details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 1rem 1.5rem;
  margin: 0;
}

.details dt {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.details dd {
  margin: 0.15rem 0 0;
  overflow-wrap: anywhere;
}

.privacy a {
  color: var(--color-accent-primary);
}

.privacy {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Call to action */
.cta {
  margin-top: 5rem;
  padding: 5rem 0;
  border-top: 1px solid var(--hairline);
  background:
    radial-gradient(40rem 18rem at 50% 0%, rgba(0, 212, 170, 0.1), transparent 70%),
    var(--color-bg-primary);
  text-align: center;
}

.cta h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.2;
}

.cta p {
  max-width: 34rem;
  margin: 1rem auto 0;
  color: var(--color-text-secondary);
  font-size: 1.125rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

/* Footer */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--hairline);
  background: var(--color-bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand p,
.footer-col p {
  margin-top: 1rem;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.footer-col h3 {
  font-size: 1rem;
  font-weight: 600;
}

.footer-col a,
.footer-bottom a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 150ms ease;
}

.footer-col a:hover,
.footer-bottom a:hover {
  color: var(--color-accent-primary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--hairline);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-bottom a {
  color: var(--color-text-muted);
}

@media (max-width: 1000px) {
  .nav {
    display: none;
  }

  .header-cta {
    margin-left: auto;
  }
}

@media (max-width: 760px) {
  .container {
    padding: 0 1rem;
  }

  .hero {
    padding: 3rem 0 2rem;
  }

  .speed-grid,
  .plot-grid,
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stats,
  .details {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats {
    gap: 1rem;
  }

  .speed-card,
  .ratings-card,
  .details-card {
    padding: 1.5rem;
  }

  .stat {
    padding: 1.25rem 1rem;
  }

  .rating {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.4rem 1rem;
  }

  .rating-name {
    grid-column: 1 / -1;
  }

  .footer-grid {
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .header-cta {
    display: none;
  }

  .run .action {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .speed-fill,
  .progress-fill {
    transition: none;
  }

  .btn-primary:hover {
    transform: none;
  }
}