/* The project page. Same palette as the app, laid out for reading rather than using. */

:root {
  --bg: #080b12;
  --bg-2: #0b0f18;
  --panel: #111725;
  --panel-2: #161d2e;
  --line: #222b40;
  --line-soft: #19202f;

  --text: #e9edf6;
  --text-2: #98a3bb;
  --text-3: #5f6a80;

  --accent: #2ad4c4;
  --accent-2: #4b8cff;
  --accent-ink: #042520;
  --up: #ff5d8f;
  --warn: #f0a93b;

  --read: 44rem;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mr: "Noto Sans Devanagari", "Nirmala UI", var(--font);
  --font-num: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

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

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

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

body {
  margin: 0;
  background: var(--bg);
  background-image: radial-gradient(ellipse 70% 40% at 15% -5%, #2ad4c40f, transparent 62%),
    radial-gradient(ellipse 60% 35% at 92% 2%, #4b8cff0c, transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  font: 400 17px/1.65 var(--font);
  overflow-x: hidden;
}

[lang="mr"] {
  font-family: var(--font-mr);
  line-height: 1.85;
}

a {
  color: var(--accent);
  text-decoration-color: #2ad4c455;
  text-underline-offset: 3px;
}

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

code {
  font-family: var(--font-num);
  font-size: 0.9em;
}

/* ---------------------------------------------------------------- header */

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 1.4rem;
  border-bottom: 1px solid var(--line);
  background: #080b12d9;
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent);
  text-decoration: none;
}

.brand b {
  display: block;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.brand small {
  display: block;
  color: var(--text-3);
  font-size: 0.72rem;
}

.top nav {
  display: flex;
  gap: 0.3rem;
  margin-left: auto;
  flex-wrap: wrap;
}

.top nav a {
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}

.top nav a:hover {
  background: var(--panel);
  color: var(--text);
}

.top nav .ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

/* ---------------------------------------------------------------- hero */

.hero {
  max-width: 62rem;
  margin: 0 auto;
  padding: 4.5rem 1.4rem 3rem;
  text-align: center;
}

.kicker {
  margin: 0 0 1.2rem;
  color: var(--text-3);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 1.4rem;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.lit {
  background: linear-gradient(100deg, var(--accent), #44b9f0 55%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: var(--read);
  margin: 0 auto 1.8rem;
  color: var(--text-2);
  font-size: 1.08rem;
}

.lede strong {
  color: var(--text);
}

/* The claim the whole project rests on. */
.vow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 2rem;
  padding: 0.6rem 1.1rem;
  border: 1px solid #1d4a47;
  border-radius: 999px;
  background: #2ad4c40c;
  color: var(--accent);
  font-size: 0.93rem;
  font-weight: 600;
}

.cta {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 1.3rem;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
  transition: transform 0.12s var(--ease), background 0.15s var(--ease);
}

.btn:hover {
  background: #202a3f;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  border-color: transparent;
  background: linear-gradient(100deg, var(--accent), #35b8e8 70%, var(--accent-2));
  color: var(--accent-ink);
  font-weight: 700;
  box-shadow: 0 10px 28px -16px var(--accent);
}

.btn--primary:hover {
  background: linear-gradient(100deg, #3ee5d5, #46c6f2 70%, #5c98ff);
}

/* ---------------------------------------------------------------- screenshots */

.shot {
  margin: 2.6rem auto 0;
  max-width: 62rem;
}

.shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 30px 70px -40px #000, 0 0 0 1px #ffffff08;
}

.shot--hero {
  margin-top: 3.4rem;
}

/* ---------------------------------------------------------------- the numbers */

.strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1px;
  max-width: 62rem;
  margin: 3.5rem auto;
  padding: 0 1.4rem;
}

.strip div {
  padding: 1.4rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  text-align: center;
}

.strip b {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--accent);
  font: 700 1.75rem/1 var(--font-num);
  letter-spacing: -0.03em;
}

.strip span {
  color: var(--text-3);
  font-size: 0.82rem;
  line-height: 1.45;
}

/* ---------------------------------------------------------------- sections */

.band {
  padding: 3.6rem 1.4rem;
}

.band--alt {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-2);
}

h2 {
  max-width: var(--read);
  margin: 0 auto 1rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.02rem;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.wide {
  max-width: var(--read);
  margin: 0 auto 1.2rem;
  color: var(--text-2);
}

.wide strong,
.wide em {
  color: var(--text);
}

.small {
  font-size: 0.92rem;
}

.note {
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--warn);
  border-radius: 8px;
  background: #f0a93b0a;
}

/* Three things said side by side. */
.rules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
  max-width: 62rem;
  margin: 2rem auto 0;
}

.rules div {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
}

.rules p {
  margin: 0;
  color: var(--text-2);
  font-size: 0.93rem;
}

/* ---------------------------------------------------------------- questions */

.qa {
  max-width: var(--read);
  margin: 2rem auto 0;
}

.q {
  margin: 1.4rem 0 0.6rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--line);
  color: var(--text-3);
  font-size: 0.96rem;
}

.q::before {
  content: "“";
}

.q::after {
  content: "”";
}

.a {
  padding: 1rem 1.3rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  background: linear-gradient(100deg, #2ad4c40a, transparent 60%);
  font-size: 1rem;
}

.a--lost {
  border-left-color: var(--warn);
  background: linear-gradient(100deg, #f0a93b0a, transparent 60%);
}

.from {
  display: block;
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line-soft);
  color: var(--text-3);
  font-family: var(--font);
  font-size: 0.78rem;
}

/* ---------------------------------------------------------------- code */

.maths,
.code {
  max-width: var(--read);
  margin: 1.6rem auto;
  padding: 1.1rem 1.3rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #0a0e17;
  color: var(--text-2);
  font-size: 0.88rem;
  line-height: 1.75;
}

.maths code,
.code code {
  font-family: var(--font-num);
}

.code .c {
  color: var(--text-3);
}

/* ---------------------------------------------------------------- limits */

.limits {
  padding-left: 1.2rem;
}

.limits li {
  margin-bottom: 0.7rem;
}

/* ---------------------------------------------------------------- footer */

footer {
  max-width: var(--read);
  margin: 0 auto;
  padding: 3rem 1.4rem 4rem;
  color: var(--text-3);
  font-size: 0.9rem;
  text-align: center;
}

footer p {
  margin: 0 0 0.5rem;
}

@media (max-width: 40rem) {
  .brand small,
  .top nav a:not(.ghost) {
    display: none;
  }
  .hero {
    padding-top: 3rem;
  }
}