/* DeckCal site styles. Hand-rolled to match phil.ewels.co.uk without a build step. */

@font-face {
  font-family: "Mona-Sans";
  src:
    url("Mona-Sans.woff2") format("woff2 supports variations"),
    url("Mona-Sans.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-stretch: 75% 125%;
  font-display: swap;
}

:root {
  --blue: #4285f4;
  --yellow: #ffc107;
  --green: #34a853;
  --purple: #a142f4;
  --grey: #9aa0a6;

  --page: rgb(255 255 255 / 95%);
  --text: #18181b;
  --muted: #52525b;
  --faint: #71717a;
  --border: #e4e4e7;
  --tile-bg: #fafafa;
  --code-bg: #eef2ff;
  --shadow: 0 1px 3px rgb(0 0 0 / 8%);
  --link: #1d4ed8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: rgb(0 0 0 / 80%);
    --text: #e4e4e7;
    --muted: #a1a1aa;
    --faint: #8f8f98;
    --border: #27272a;
    --tile-bg: #141416;
    --code-bg: #1e2033;
    --shadow: 0 1px 3px rgb(0 0 0 / 40%);
    --link: #7aa7ff;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    "Mona-Sans",
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
  /* Photo by Gustav Gullstrand (@outoforbit) on Unsplash:
     https://unsplash.com/photos/d6kSvT2xZQo */
  background: #1b2a16 url("background.jpg") center / cover fixed no-repeat;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 62rem;
  margin: 0 auto;
  min-height: 100vh;
  padding: 3rem 1.5rem 0;
  background: var(--page);
  backdrop-filter: blur(20px);
}

@media (min-width: 48rem) {
  .page {
    padding: 4rem 3.5rem 0;
  }
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: 700;
}

h2 {
  font-size: 1.75rem;
  margin: 3.5rem 0 0.5rem;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 0.25rem;
}

p {
  margin: 0 0 1rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.875em;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

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

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

/* Hero ------------------------------------------------------------------ */

.hero {
  text-align: center;
  padding: 1rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
}

.hero__logo {
  width: min(100%, 38rem);
  height: auto;
  margin: 0 auto 1.5rem;
  display: block;
}

.hero__tagline {
  font-size: 1.35rem;
  line-height: 1.5;
  color: var(--muted);
  max-width: 42rem;
  margin: 0 auto 2rem;
  text-wrap: balance;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--tile-bg);
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition:
    transform 0.15s ease,
    border-color 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: var(--blue);
}

.button--primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.button--primary:hover {
  border-color: #1b62d6;
  background: #1b62d6;
}

.button svg {
  width: 1.1em;
  height: 1.1em;
  fill: currentcolor;
}

/* Key state gallery ----------------------------------------------------- */

.states {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}

.state {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.state img {
  width: 72px;
  height: 72px;
  flex: none;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.state p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--muted);
}

.state strong {
  display: block;
  color: var(--text);
}

/* Actions --------------------------------------------------------------- */

.actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 1rem;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}

.action {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--tile-bg);
}

.action img {
  width: 56px;
  height: 56px;
  flex: none;
  border-radius: 8px;
}

.action p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--muted);
}

/* Features -------------------------------------------------------------- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem 2rem;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}

.feature {
  border-left: 3px solid var(--blue);
  padding-left: 1rem;
}

.feature:nth-child(2) {
  border-color: var(--yellow);
}

.feature:nth-child(3) {
  border-color: var(--green);
}

.feature:nth-child(4) {
  border-color: var(--purple);
}

.feature:nth-child(5) {
  border-color: var(--grey);
}

.feature p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--muted);
}

/* Media ----------------------------------------------------------------- */

video {
  width: 100%;
  border-radius: 10px;
  box-shadow: var(--shadow);
  margin: 1.5rem 0;
  display: block;
}

/* Callout --------------------------------------------------------------- */

.callout {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--tile-bg);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.callout p:last-child {
  margin-bottom: 0;
}

/* Prose article (privacy page) ------------------------------------------ */

.prose h1 {
  font-size: 2.25rem;
  margin: 0.5rem 0 0.5rem;
}

.prose h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 0.5rem;
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.35rem;
}

.backlink {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--faint);
  text-decoration: none;
  margin-bottom: 1rem;
}

.backlink:hover {
  color: var(--link);
}

/* Footer ---------------------------------------------------------------- */

.footer {
  margin-top: 4rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer__credit {
  flex-basis: 100%;
  font-size: 0.8rem;
  opacity: 0.75;
}

.footer a {
  color: var(--faint);
  text-decoration: none;
}

.footer a:hover {
  color: var(--link);
  text-decoration: underline;
}

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

  .button:hover {
    transform: none;
  }
}