@font-face {
  font-family: "Fira Sans";
  src: url("fonts/fira-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Fira Code";
  src: url("fonts/fira-code-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #0B1220;
  --surface: #101A2C;
  --surface-raised: #142137;
  --surface-soft: #18263D;
  --border: #31405A;
  --border-strong: #465671;
  --text: #F8FAFC;
  --muted: #B6C0CF;
  --muted-strong: #D4DAE4;
  --accent: #22C55E;
  --accent-hover: #4ADE80;
  --accent-ink: #052E16;
  --danger: #FCA5A5;
  --warning: #FACC15;
  --font-sans: "Fira Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Fira Code", ui-monospace, SFMono-Regular, Consolas, monospace;
  --radius: 3px;
  --shadow: 0 24px 70px rgb(0 0 0 / 28%);
  --transition: 200ms ease;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}

body {
  min-width: 0;
  margin: 0;
  background:
    radial-gradient(circle at 85% 8%, rgb(34 197 94 / 8%), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

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

h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.5rem;
  font-size: clamp(2.8rem, 9vw, 6.75rem);
}

h2 {
  max-width: 18ch;
  margin-bottom: 0;
  font-size: clamp(2.1rem, 5vw, 4.15rem);
}

h3 {
  margin-bottom: 0.8rem;
  font-size: 1.35rem;
}

svg {
  display: block;
}

.shell {
  width: min(calc(100% - 2rem), 74rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  min-height: 44px;
  padding: 0.7rem 1rem;
  transform: translateY(-160%);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid rgb(49 64 90 / 72%);
  background: rgb(11 18 32 / 94%);
}

.site-header__inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-block: 0.8rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  min-height: 44px;
  gap: 0.7rem;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.brand:hover {
  color: var(--text);
}

.brand__mark {
  width: 0.8rem;
  height: 0.8rem;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgb(34 197 94 / 12%);
}

.site-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 0.65rem;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted-strong);
  font-size: 0.86rem;
  text-decoration: none;
  transition: color var(--transition), background-color var(--transition);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

.site-nav__apply::after {
  width: 0.45rem;
  height: 0.45rem;
  margin-left: 0.55rem;
  background: var(--accent);
  content: "";
}

.section {
  padding-block: 5.5rem;
}

.section--border {
  border-top: 1px solid var(--border);
}

.eyebrow {
  margin-bottom: 1.2rem;
  color: var(--accent-hover);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero {
  display: grid;
  min-height: min(58rem, calc(100svh - 7rem));
  align-content: center;
  gap: 4rem;
}

.hero__lead {
  max-width: 38rem;
  margin-bottom: 2rem;
  color: var(--muted-strong);
  font-size: clamp(1.12rem, 2.8vw, 1.45rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.button--primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
  color: var(--accent-ink);
}

.button--secondary {
  border-color: var(--border-strong);
  background: transparent;
  color: var(--text);
}

.button--secondary:hover {
  border-color: var(--accent);
  color: var(--text);
}

.hero__note {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgb(34 197 94 / 12%);
}

.code-window {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #080E19;
  box-shadow: var(--shadow);
}

.code-window__bar {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.code-window pre {
  max-width: 100%;
  margin: 0;
  overflow-x: auto;
  padding: 1.4rem 1rem 1.6rem;
  color: #E2E8F0;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  line-height: 1.8;
  scrollbar-color: var(--border-strong) #080E19;
}

.code-prompt {
  color: var(--accent-hover);
}

.code-string {
  color: #BAE6FD;
}

.section-heading {
  margin-bottom: 3rem;
}

.section-heading--split > p {
  max-width: 33rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  gap: 1rem;
}

.feature-card {
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-card__index,
.flow-list__index {
  margin-bottom: 3rem;
  color: var(--accent-hover);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.feature-card p:last-child,
.operations-grid p,
.status-panel__note {
  margin-bottom: 0;
  color: var(--muted);
}

.flow-diagram {
  display: none;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0D1627;
}

.flow-diagram__line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
}

.flow-diagram__node {
  fill: var(--surface);
  stroke: var(--border-strong);
  stroke-width: 1.5;
}

.flow-diagram__node--active {
  fill: #10271D;
  stroke: var(--accent);
}

.flow-diagram text {
  font-family: var(--font-sans);
}

.flow-diagram__index {
  fill: var(--accent-hover);
  font-family: var(--font-mono) !important;
  font-size: 15px;
  letter-spacing: 1px;
}

.flow-diagram__title {
  fill: var(--text);
  font-size: 23px;
  font-weight: 600;
}

.flow-diagram__copy {
  fill: var(--muted);
  font-size: 17px;
}

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

.flow-list li {
  position: relative;
  display: grid;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.flow-list li:nth-child(2) {
  border-color: var(--accent);
  background: #10271D;
}

.flow-list__index {
  margin-bottom: 1.5rem;
}

.flow-list strong {
  margin-bottom: 0.3rem;
  font-size: 1.2rem;
}

.flow-list li > span:last-child {
  color: var(--muted);
}

.operations-grid {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--border);
}

.operations-grid article {
  padding: 1.5rem;
  background: var(--surface);
}

.operations-grid__icon {
  display: inline-flex;
  width: 2.7rem;
  height: 2.7rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 3rem;
  border: 1px solid var(--border-strong);
  color: var(--accent-hover);
}

.operations-grid__icon svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.6;
}

.status-grid {
  display: grid;
  gap: 1rem;
}

.status-panel {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.status-panel--built {
  border-color: rgb(34 197 94 / 65%);
  background: linear-gradient(145deg, #10271D, var(--surface) 62%);
}

.status-panel__label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 2.5rem;
  color: var(--accent-hover);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-panel__label--muted {
  color: var(--muted-strong);
}

.check-list,
.plain-list {
  display: grid;
  gap: 0.8rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--muted-strong);
}

.check-list li::before {
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--accent);
  content: "";
}

.plain-list li::before {
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 0.6rem;
  height: 1px;
  background: var(--muted);
  content: "";
}

.status-panel__note {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.cta-band {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.cta-band__inner {
  display: grid;
  gap: 2rem;
  padding-block: 4.5rem;
}

.cta-band h2 {
  max-width: 16ch;
  font-size: clamp(2.1rem, 5vw, 3.8rem);
}

.cta-band .button {
  justify-self: start;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #080E19;
  color: var(--muted);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-block: 2.5rem;
  font-size: 0.88rem;
}

.site-footer p {
  display: flex;
  min-height: 44px;
  align-items: center;
  margin: 0;
  font-family: var(--font-mono);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
}

.site-footer a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

/* Application */
.page-main {
  padding-block: 4.5rem 6rem;
}

.application-layout {
  display: grid;
  gap: 3rem;
}

.application-intro h1 {
  max-width: 11ch;
  font-size: clamp(2.7rem, 8vw, 5.4rem);
}

.application-intro__lead {
  max-width: 38rem;
  color: var(--muted-strong);
  font-size: 1.12rem;
}

.application-notes {
  display: grid;
  gap: 0;
  margin: 2.5rem 0 0;
  border-top: 1px solid var(--border);
}

.application-notes div {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 0.75rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.application-notes dt {
  color: var(--accent-hover);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.application-notes dd {
  margin: 0;
  color: var(--muted-strong);
}

.form-panel {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.form-panel form {
  display: grid;
  gap: 1.4rem;
}

.form-field {
  display: grid;
  gap: 0.55rem;
}

.form-field label {
  color: var(--text);
  font-weight: 600;
}

.form-field label span {
  color: var(--accent-hover);
}

.field-hint {
  margin: -0.15rem 0 0.15rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #0A111E;
  color: var(--text);
  caret-color: var(--accent);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field textarea {
  min-height: 11rem;
  resize: vertical;
}

.form-field input:hover,
.form-field textarea:hover {
  border-color: var(--muted);
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 3px rgb(34 197 94 / 22%);
}

.website-field {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.collection-notice {
  margin: 0;
  padding: 1rem;
  border-left: 2px solid var(--accent);
  background: #0D1827;
  color: var(--muted-strong);
  font-size: 0.86rem;
}

.collection-notice a {
  color: var(--text);
}

.button--submit {
  width: 100%;
  min-height: 50px;
}

/* Result pages */
.result-page {
  display: flex;
  min-height: 100svh;
  flex-direction: column;
}

.result-main {
  display: grid;
  flex: 1;
  place-items: center;
  padding-block: 4rem;
}

.result-card {
  width: min(100%, 47rem);
  padding: 2rem 1.25rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
}

.result-card__icon {
  display: inline-flex;
  width: 3.75rem;
  height: 3.75rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  border: 1px solid var(--accent);
  color: var(--accent-hover);
}

.result-card__icon svg {
  width: 1.8rem;
  height: 1.8rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.7;
}

.result-card--invalid .result-card__icon {
  border-color: var(--danger);
  color: var(--danger);
}

.result-card--busy .result-card__icon {
  border-color: var(--warning);
  color: var(--warning);
}

.result-card h1 {
  max-width: 15ch;
  margin-inline: auto;
  font-size: clamp(2.35rem, 7vw, 4.5rem);
}

.result-card > p:not(.eyebrow) {
  max-width: 39rem;
  margin-inline: auto;
  color: var(--muted-strong);
}

.button-row--centered {
  justify-content: center;
  margin-top: 2rem;
}

@media (min-width: 375px) {
  .shell {
    width: min(calc(100% - 2.5rem), 74rem);
  }

  .form-panel,
  .result-card {
    padding: 1.75rem;
  }

  .code-window pre {
    padding-inline: 1.25rem;
    font-size: 0.77rem;
  }
}

@media (min-width: 768px) {
  .site-header {
    position: sticky;
    top: 0;
    backdrop-filter: blur(14px);
  }

  .site-header__inner {
    min-height: 72px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-block: 0;
  }

  .brand {
    align-self: auto;
  }

  .site-nav {
    display: flex;
    gap: 1.35rem;
  }

  .site-nav a {
    font-size: 0.9rem;
  }

  .section {
    padding-block: 7.5rem;
  }

  .hero {
    min-height: min(60rem, calc(100svh - 72px));
  }

  .section-heading {
    margin-bottom: 4rem;
  }

  .section-heading--split {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.65fr);
    align-items: end;
    gap: 3rem;
  }

  .section-heading--split > p {
    margin: 0;
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .feature-card {
    padding: 1.75rem;
  }

  .flow-list {
    display: none;
  }

  .flow-diagram {
    display: block;
  }

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

  .operations-grid article,
  .status-panel {
    padding: 2rem;
  }

  .cta-band__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 3rem;
    padding-block: 6rem;
  }

  .cta-band .button {
    justify-self: end;
  }

  .site-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-main {
    padding-block: 7rem 8rem;
  }

  .form-panel {
    padding: 2rem;
  }

  .result-card {
    padding: 3.5rem;
  }
}

@media (min-width: 1024px) {
  .hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(27rem, 0.92fr);
    align-items: center;
    gap: 4.5rem;
  }

  .hero h1 {
    font-size: clamp(4.7rem, 7vw, 6.75rem);
  }

  .application-layout {
    grid-template-columns: minmax(0, 1fr) minmax(25rem, 0.78fr);
    align-items: start;
    gap: 5rem;
  }

  .application-intro {
    position: sticky;
    top: 8.5rem;
  }
}

@media (min-width: 1440px) {
  .shell {
    width: min(calc(100% - 6rem), 78rem);
  }

  .hero {
    min-height: 54rem;
    gap: 6rem;
  }

  .feature-card,
  .operations-grid article,
  .status-panel {
    padding: 2.25rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}