/* Layout: one narrow reading column; the live code card is the hero, everything else is quiet text bands. */
:root {
  color-scheme: light;
  --bg: #F4F2FA;
  --surface: #FFFFFF;
  --text: #201A33;
  --muted: #6E6785;
  --border: #DAD4EC;
  --primary: #5A4FCF;
  --secondary: #2E86C1;
  --info: #8E44AD;
  --negative: #C0392B;
  --primary-hover: #4A3FBF;
  --on-primary: #FFFFFF;
  --positive: #219150;
  --highlight: #B9770E;
  --band: #E9E5F6;
  --font-body: "Atkinson Hyperlegible", Arial, sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", ui-monospace, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0E0B16;
    --surface: #161225;
    --text: #E0D9F1;
    --muted: #95A5A6;
    --border: #2E2A3D;
    --primary: #7A6BCF;
  --secondary: #3498DB;
  --info: #8E44AD;
  --negative: #E74C3C;
    --secondary: #3498DB;
    --info: #8E44AD;
    --negative: #E74C3C;
    --primary-hover: #8F82DA;
    --on-primary: #FFFFFF;
    --positive: #2ECC71;
    --highlight: #F39C12;
    --band: #120E1E;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0E0B16;
  --surface: #161225;
  --text: #E0D9F1;
  --muted: #95A5A6;
  --border: #2E2A3D;
  --primary: #7A6BCF;
  --primary-hover: #8F82DA;
  --on-primary: #FFFFFF;
  --positive: #2ECC71;
  --highlight: #F39C12;
  --band: #120E1E;
}

* {
  box-sizing: border-box;
}

html {
  font-size: clamp(18px, 0.6rem + 0.7vw, 24px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  padding-left: max(16px, 5vw, env(safe-area-inset-left, 0px));
  padding-right: max(16px, 5vw, env(safe-area-inset-right, 0px));
}

a {
  color: var(--primary);
}

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

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

h1,
h2,
h3 {
  text-wrap: balance;
  line-height: 1.15;
  margin: 0;
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0;
}

.eyebrow {
  font: 600 0.78rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

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

/* Nav */
nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block: 1.25rem;
}

.brand {
  display: flex;
  text-decoration: none;
  width: max(33.34vw, 12rem);
  max-width: 100%;
}

.brand .banner {
  width: 100%;
  height: auto;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a:not(.btn) {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}

.nav-links a:not(.btn):hover {
  color: var(--text);
}

.btn {
  display: inline-block;
  padding: 0.7em 1.3em;
  border-radius: 8px;
  background: var(--primary);
  color: var(--on-primary);
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--primary-hover);
  color: var(--on-primary);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn.ghost:hover {
  border-color: var(--primary);
  color: var(--text);
}

/* The language switch stays visible on narrow screens, unlike the section links. */
.langs {
  display: flex;
  gap: 0.7rem;
}

.nav-links .lang {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.nav-links .lang[aria-current="page"] {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

@media (max-width: 640px) {
  .nav-links a:not(.btn, .lang) {
    display: none;
  }
}

/* Hero */
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-block: 3rem 5rem;
}

.hero .eyebrow {
  display: block;
  font-size: clamp(1.4rem, 3.2vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: 0.06em;
}

.hero h1 {
  font: 800 clamp(2.3rem, 5.4vw, 3.9rem)/1.05 var(--font-mono);
  letter-spacing: -0.02em;
  margin-block: 1rem 1.25rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--primary);
}

.hero .lede {
  font-size: 1.2rem;
  max-width: 34rem;
  color: var(--muted);
}

.hero .ctas {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.hero>.wrap>div {
  min-width: 0;
}

@media (max-width: 860px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    padding-block: 1.5rem 3.5rem;
  }
}

/* Live code card: mirrors the app's dashboard cards, where only the picked card shows its code. */
.vault {
  display: grid;
  gap: 0.7rem;
  padding: 0.9rem;
  background: var(--band);
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  box-shadow: 0 24px 60px -30px color-mix(in srgb, var(--primary) 45%, transparent);
}

.vault-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.2rem 0.4rem;
  font-size: 0.85rem;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font: 600 0.75rem var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--positive);
}

.live::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--positive);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  50% {
    opacity: 0.3;
  }
}

.otp {
  display: grid;
  gap: 0.6rem;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s ease, gap 0.25s ease, padding 0.25s ease;
}

.otp:hover {
  border-color: var(--primary);
}

.otp:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.otp-head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.otp-avatar {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.6rem;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--bg);
  background: var(--primary);
}

/* The vault header is the first div, so cards start at the second. */
.otp:nth-of-type(3) .otp-avatar {
  background: var(--secondary);
}

.otp:nth-of-type(4) .otp-avatar {
  background: var(--info);
}

.otp-title {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 0.5rem;
}

.otp-name {
  font-weight: 600;
}

/* Black text on the category color, as the app picks for a light badge. */
.otp-badge {
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #000;
  background: var(--highlight);
}

.otp-meta {
  flex-basis: 100%;
  font-size: 0.8rem;
  color: var(--muted);
}

.otp-code {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font: 700 1.3rem var(--font-mono);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  transition: font-size 0.25s ease;
}

.otp:not(.active) .digits {
  filter: blur(8px);
  opacity: 0.7;
  user-select: none;
}

.otp.active {
  gap: 1rem;
  padding: 1.2rem;
}

.otp.active .otp-code {
  font-size: 2rem;
}

.ring {
  --ring: var(--primary);
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: conic-gradient(var(--ring) calc(var(--progress, 1) * 360deg), var(--border) 0);
  mask: radial-gradient(closest-side, transparent calc(100% - 3.5px), #000 calc(100% - 3px));
}

.otp.active .ring {
  width: 2.2rem;
  height: 2.2rem;
}

.otp.ending .ring {
  --ring: var(--negative);
}

.vault-foot {
  padding: 0.2rem 0.4rem;
  font: 400 0.72rem var(--font-mono);
  color: var(--muted);
}

/* Sections */
section {
  padding-block: 4.5rem;
}

.band {
  background: var(--band);
}

.section-head {
  display: grid;
  gap: 0.8rem;
  max-width: 42rem;
  margin-bottom: 2.5rem;
}

.section-head p {
  color: var(--muted);
  font-size: 1.1rem;
}

.pains {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pains div {
  display: grid;
  gap: 0.5rem;
  align-content: start;
  border-top: 2px solid var(--text);
  padding-top: 1rem;
}

.pains p {
  color: var(--muted);
}

.flow {
  display: grid;
  grid-template-columns: 1fr auto 1.2fr auto 1fr;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
}

.flow .node {
  display: grid;
  gap: 0.3rem;
  text-align: center;
}

.flow .node strong {
  font-family: var(--font-mono);
}

.flow .node.core {
  background: var(--primary);
  color: var(--on-primary);
  border-radius: 10px;
  padding: 1.2rem;
}

.flow .node.core span {
  opacity: 0.85;
}

.flow .arrow {
  font: 400 0.78rem var(--font-mono);
  color: var(--muted);
  text-align: center;
}

.flow .arrow::after {
  content: "→";
  display: block;
  font-size: 1.6rem;
  color: var(--primary);
}

@media (max-width: 760px) {
  .flow {
    grid-template-columns: 1fr;
  }

  .flow .arrow::after {
    content: "↓";
  }
}

.audiences {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.aud {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.6rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.aud ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.aud li {
  display: grid;
  gap: 0.15rem;
}

.aud li strong {
  font-size: 0.98rem;
}

.aud li span {
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 900px) {

  .pains,
  .audiences {
    grid-template-columns: 1fr;
  }
}

.status {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}

.status-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.status td {
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.status tr:last-child td {
  border-bottom: 0;
}

.pill {
  display: inline-block;
  white-space: nowrap;
  font: 600 0.72rem var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3em 0.7em;
  border-radius: 999px;
}

.pill.built {
  color: var(--positive);
  background: color-mix(in srgb, var(--positive) 14%, transparent);
}

.pill.partial {
  color: var(--highlight);
  background: color-mix(in srgb, var(--highlight) 14%, transparent);
}

.pill.road {
  color: var(--muted);
  background: color-mix(in srgb, var(--muted) 14%, transparent);
}

.status td:last-child {
  text-align: right;
}

.partner .wrap {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: center;
}

.partner ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
  color: var(--muted);
}

.partner-card {
  background: var(--primary);
  color: var(--on-primary);
  border-radius: 14px;
  padding: 2rem;
  display: grid;
  gap: 1rem;
}

.partner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.partner-card .btn {
  background: var(--on-primary);
  color: var(--primary);
}

.partner-card .btn.ghost {
  background: transparent;
  color: var(--on-primary);
  border-color: var(--on-primary);
}

.partner-card .btn.ghost:hover {
  background: transparent;
  color: var(--on-primary);
  border-color: var(--on-primary);
  opacity: 0.85;
}

.partner-card .btn:hover {
  color: var(--primary-hover);
  background: var(--on-primary);
}

.partner-card code {
  font-family: var(--font-mono);
  user-select: all;
}

@media (max-width: 860px) {
  .partner .wrap {
    grid-template-columns: 1fr;
  }
}

.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .live::before {
    animation: none;
  }

  .ring .fill {
    transition: none;
  }
}