@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url("fonts/archivo-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Martian Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("fonts/martianmono-latin.woff2") format("woff2");
}

:root {
  color-scheme: light;

  /* CacheFly indigo and orchid; yellow borrowed from single-mode fibre jackets */
  --ink: #1b0d45;
  --paper: #fbfafe;
  --wash: #efeafb;
  --rule: #d9d0f0;
  --violet: #6343b1;
  --orchid: #aa4bce;
  --muted: #5b5378;
  --signal: #f2c230;

  --on-ink: #ffffff;
  --on-ink-muted: #c9bfec;
  --on-ink-rule: #4a3a86;
  --on-ink-field: #2a1a5e;
  --on-ink-error: #ffb8c6;

  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "Martian Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3125rem;
  --step-2: 1.75rem;

  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 6px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.55;
}

p,
ul,
dl,
dd,
h1,
h2,
h3,
fieldset {
  margin: 0;
  padding: 0;
}

a {
  color: var(--violet);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

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

.wrap {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--on-ink);
  border-radius: var(--radius);
}

.skip:focus {
  top: 0.75rem;
  color: var(--on-ink);
}

/* Masthead */

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
}

.wordmark {
  color: var(--ink);
  font-weight: 800;
  font-stretch: 112%;
  font-size: var(--step-1);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.masthead nav {
  display: flex;
  gap: 1.5rem;
  font-size: var(--step--1);
}

.masthead nav a {
  display: inline-block;
  padding-block: 0.6rem;
  color: var(--muted);
}

.masthead nav a:hover {
  color: var(--ink);
}

/* Hero */

.hero {
  padding-block: clamp(1.5rem, 5vw, 4rem) clamp(2rem, 5vw, 3.5rem);
}

.hero h1 {
  font-size: clamp(3rem, 13.2vw, 10.75rem);
  font-weight: 800;
  font-stretch: 125%;
  line-height: 0.86;
  letter-spacing: -0.035em;
  margin-left: -0.04em;
  font-variant-numeric: lining-nums;
}

.lede {
  max-width: 34em;
  margin-top: clamp(1.25rem, 3vw, 2rem);
  font-size: var(--step-1);
  line-height: 1.4;
}

.jump {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  margin-top: 1.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--on-ink);
  font-weight: 600;
  text-decoration: none;
}

.jump:hover {
  background: var(--violet);
  color: var(--on-ink);
}

/* Columns */

.columns {
  display: grid;
  gap: 3rem;
  padding-bottom: 4rem;
}

.content {
  min-width: 0;
}

@media (min-width: 60rem) {
  .jump {
    display: none;
  }

  .columns {
    grid-template-columns: minmax(0, 1fr) 26rem;
    gap: clamp(3rem, 6vw, 5.5rem);
    align-items: start;
  }

  .panel {
    position: sticky;
    top: 1.5rem;
  }
}

/* Peering record */

.record {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--orchid);
  background: var(--wash);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.record dl > div {
  display: grid;
  grid-template-columns: 8.5em minmax(0, 1fr);
  gap: 0 1em;
  padding-block: 0.22rem;
}

.record dt {
  color: var(--muted);
}

.record dd {
  font-weight: 500;
}

.record a {
  color: inherit;
}

.led {
  display: inline-block;
  width: 0.6em;
  height: 0.6em;
  margin-right: 0.6em;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(242, 194, 48, 0.3);
  vertical-align: 0.05em;
}

@media (max-width: 26rem) {
  .record {
    padding-inline: 1rem;
  }

  .record dl > div {
    grid-template-columns: 1fr;
    padding-block: 0.35rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .record dl > div {
    animation: line-in 0.3s ease-out both;
  }

  .record dl > div:nth-child(2) { animation-delay: 0.06s; }
  .record dl > div:nth-child(3) { animation-delay: 0.12s; }
  .record dl > div:nth-child(4) { animation-delay: 0.18s; }
  .record dl > div:nth-child(5) { animation-delay: 0.24s; }
  .record dl > div:nth-child(6) { animation-delay: 0.3s; }
  .record dl > div:nth-child(7) { animation-delay: 0.36s; }
  .record dl > div:nth-child(8) { animation-delay: 0.42s; }
  .record dl > div:nth-child(9) { animation-delay: 0.48s; }

  @keyframes line-in {
    from {
      opacity: 0;
      transform: translateX(-0.5rem);
    }
  }
}

/* Content blocks */

.block {
  margin-top: 3.25rem;
  max-width: 38rem;
}

.block h2 {
  margin-bottom: 0.9rem;
  font-size: var(--step-2);
  font-weight: 750;
  font-stretch: 112%;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.block p + p {
  margin-top: 0.9rem;
}

.textlink {
  font-weight: 600;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.split h3 {
  margin-bottom: 0.5rem;
  font-size: var(--step-0);
  font-weight: 700;
}

.split ul {
  list-style: none;
  color: var(--muted);
}

.split li {
  padding-left: 1.1rem;
  text-indent: -1.1rem;
}

.split li + li {
  margin-top: 0.4rem;
}

.split li::before {
  content: "";
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  margin-right: 0.7rem;
  background: var(--orchid);
  border-radius: 1px;
  vertical-align: 0.12em;
}

.note-ref {
  margin-left: 0.15em;
  color: var(--orchid);
  font-weight: 700;
  text-decoration: none;
}

.note {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: var(--step--1);
}

/* Request panel */

.panel {
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border-radius: 10px;
  background: var(--ink);
  color: var(--on-ink);
}

.panel h2 {
  font-size: var(--step-2);
  font-weight: 750;
  font-stretch: 112%;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.panel h2:focus {
  outline: none;
}

.panel-intro {
  margin-top: 0.6rem;
  color: var(--on-ink-muted);
}

.panel a {
  color: var(--on-ink);
}

#done-view p {
  margin-top: 1rem;
  color: var(--on-ink-muted);
}

#done-view strong {
  color: var(--on-ink);
  overflow-wrap: anywhere;
}

.panel form {
  margin-top: 1.5rem;
}

.field {
  margin-top: 1.15rem;
  border: 0;
  min-width: 0;
}

.field label,
.field legend {
  display: block;
  padding: 0;
  margin-bottom: 0.4rem;
  font-size: var(--step--1);
  font-weight: 600;
}

.field input[type="text"],
.field input[type="email"],
.field select {
  display: block;
  width: 100%;
  min-height: 2.875rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--on-ink-rule);
  border-radius: var(--radius);
  background-color: var(--on-ink-field);
  color: var(--on-ink);
  font: inherit;
  font-size: 1rem;
  transition: border-color 0.15s ease;
}

.field select {
  appearance: none;
  padding-right: 2.4rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23c9bfec' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  cursor: pointer;
}

.field select option {
  background: #ffffff;
  color: var(--ink);
}

.field input:hover,
.field select:hover {
  border-color: var(--on-ink-muted);
}

.field input:focus-visible,
.field select:focus-visible {
  border-color: var(--signal);
  outline-offset: 0;
  border-radius: var(--radius);
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"] {
  border-color: var(--on-ink-error);
}

.hint,
.error {
  margin-top: 0.4rem;
  font-size: 0.8125rem;
  line-height: 1.4;
}

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

.choice .hint {
  margin: -0.15rem 0 0.6rem;
}

.error {
  color: var(--on-ink-error);
  font-weight: 500;
}

.segments {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.segments label {
  position: relative;
  margin: 0;
  cursor: pointer;
}

.segments input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.segments span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.875rem;
  border: 1px solid var(--on-ink-rule);
  border-radius: var(--radius);
  background: var(--on-ink-field);
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.segments label:hover span {
  border-color: var(--on-ink-muted);
}

.segments input:checked + span {
  border-color: var(--on-ink);
  background: var(--on-ink);
  color: var(--ink);
  font-weight: 700;
}

.segments input:focus-visible + span {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

.trap {
  position: absolute;
  left: -200vw;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.panel button[type="submit"] {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  min-height: 3.125rem;
  margin-top: 1.5rem;
  padding: 0.6rem 1.25rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--signal);
  color: var(--ink);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.panel button[type="submit"]:hover {
  background: #ffd75a;
}

.panel button[type="submit"]:active {
  transform: translateY(1px);
}

.panel button[type="submit"]:focus-visible {
  outline-color: var(--on-ink);
}

.panel button[type="submit"][aria-disabled="true"] {
  background: var(--on-ink-rule);
  color: var(--on-ink-muted);
  cursor: progress;
}

.panel button[aria-disabled="true"]::before {
  content: "";
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .panel button[aria-disabled="true"]::before {
    animation-duration: 2.5s;
  }
}

.fineprint {
  margin-top: 0.9rem;
  color: var(--on-ink-muted);
  font-size: 0.8125rem;
  text-align: center;
}

.notice {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--on-ink-error);
  border-radius: var(--radius);
  color: var(--on-ink);
  font-size: var(--step--1);
  line-height: 1.45;
}

.notice ul {
  margin-top: 0.4rem;
  padding-left: 1.1rem;
}

.notice a {
  color: var(--on-ink-error);
}

[hidden] {
  display: none !important;
}

/* Footer */

footer {
  padding-block: 1.75rem 2.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: var(--step--1);
}