/* Creasora website. Colours come from the game: paper, ink, lantern orange,
   and the dusk, day and night skies of its levels. */
:root {
  --paper: #f6f0e3;
  --card: #fffaf0;
  --ink: #24323a;
  --ink-soft: #5b6870;
  --rule: #e2d6c0;
  --accent: #e8722a;
  --accent-ink: #b5521b;
  --dusk: #776e7b;
  --day: #758f92;
  --night: #292f51;
  --on-dark: #f7f1e6;
  --on-dark-soft: rgba(247, 241, 230, 0.74);
  --serif: "Newsreader", "New York", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151b24;
    --card: #1d2631;
    --ink: #eee6d6;
    --ink-soft: #a7b1b8;
    --rule: #2d3945;
    --accent: #f08a45;
    --accent-ink: #f4a46d;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--sans); }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.container.text { max-width: 760px; }

/* Screenshots: the frame always has the iPhone Duo screen's shape and the
   picture fills it, so it scales with the page and is never squeezed. */
.photo {
  position: relative;
  width: 100%;
  aspect-ratio: 2853 / 2007;
  margin: 0;
  border-radius: clamp(10px, 1.6vw, 22px);
  overflow: hidden;
  background: #3b3f4a;
  box-shadow: 0 28px 70px -28px rgba(14, 18, 30, 0.55), 0 0 0 1px rgba(0, 0, 0, 0.06);
}
.photo img {
  position: absolute; inset: 0;
  display: block;
  width: 100%; height: 100%;
  object-fit: contain;
}

/* Header */
.site-header { position: absolute; top: 0; left: 0; right: 0; z-index: 5; }
.site-header.solid { position: sticky; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--rule); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.brand span { font: 600 15px/1 var(--serif); letter-spacing: 0.3em; }
.site-header nav { display: flex; gap: 26px; font-size: 15px; }
.site-header nav a { color: inherit; opacity: 0.78; text-decoration: none; }
.site-header nav a:hover, .site-header nav a[aria-current] { opacity: 1; }
.on-dark { color: var(--on-dark); }

/* Hero: the dusk sky of the game runs behind the title and into the picture. */
.hero {
  background: linear-gradient(180deg, var(--dusk) 0%, var(--dusk) 62%, var(--paper) 62%);
  color: var(--on-dark);
  padding: 132px 0 0;
  text-align: center;
}
.hero .label {
  display: inline-block; margin: 0 0 20px;
  padding: 7px 16px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.14); border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(46px, 9.5vw, 116px); line-height: 0.95;
  letter-spacing: 0.16em; padding-left: 0.16em;
}
.hero .tagline { margin: 0 0 30px; font: italic 400 clamp(20px, 2.8vw, 28px)/1.3 var(--serif); color: var(--on-dark-soft); }
.hero .buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: clamp(40px, 6vw, 72px); }
.btn { display: inline-flex; align-items: center; padding: 13px 24px; border-radius: 999px; font-size: 15px; font-weight: 600; text-decoration: none; }
.btn.light { background: var(--on-dark); color: #24323a; }
.btn.outline { border: 1px solid rgba(255, 255, 255, 0.4); color: var(--on-dark); }
.btn.outline:hover { color: var(--on-dark); background: rgba(255, 255, 255, 0.1); }
.btn.accent { background: var(--accent); color: #fff; }
.btn.accent:hover { color: #fff; filter: brightness(1.06); }
.hero-note { margin: 18px 0 0; font-size: 14px; color: var(--ink-soft); }

/* Sections */
.section { padding: clamp(72px, 10vw, 128px) 0; }
.intro { text-align: center; }
.intro p { margin: 0 auto; max-width: 820px; font: 400 clamp(23px, 3vw, 34px)/1.4 var(--serif); }
.intro em { color: var(--accent-ink); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 48px); margin-top: clamp(48px, 7vw, 80px); counter-reset: step; }
.step { border-top: 2px solid var(--rule); padding-top: 22px; }
.step::before { counter-increment: step; content: counter(step); display: block; font: 500 15px/1 var(--sans); color: var(--accent-ink); margin-bottom: 14px; }
.step h3 { margin: 0 0 8px; font-size: 24px; line-height: 1.2; }
.step p { margin: 0; color: var(--ink-soft); }

.showcase + .showcase { margin-top: clamp(72px, 10vw, 128px); }
.showcase .caption { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(20px, 4vw, 64px); margin-top: clamp(24px, 3vw, 36px); }
.kicker { display: block; font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 10px; }
.showcase h2 { margin: 0; font-size: clamp(30px, 3.6vw, 46px); line-height: 1.1; }
.showcase p { margin: 0; color: var(--ink-soft); font-size: 18px; align-self: end; }

.band { padding: clamp(72px, 10vw, 128px) 0; color: var(--on-dark); }
.band.night { background: var(--night); }
.band.day { background: var(--day); }
.band .kicker { color: #ffb37f; }
.band h2 { color: var(--on-dark); }
.band p { color: var(--on-dark-soft); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2.4vw, 28px); }
.grid-2 figcaption { margin-top: 12px; font-size: 15px; color: var(--ink-soft); }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 48px); }
.fact h3 { margin: 0 0 8px; font-size: 22px; line-height: 1.25; }
.fact p { margin: 0; color: var(--ink-soft); font-size: 16px; }
.fact::before { content: ""; display: block; width: 36px; height: 4px; border-radius: 2px; background: var(--accent); margin-bottom: 18px; }

.closing { text-align: center; }
.closing img { width: 112px; height: 112px; border-radius: 25px; margin: 0 auto 24px; display: block; box-shadow: 0 20px 50px -20px rgba(14, 18, 30, 0.6); }
.closing h2 { margin: 0 0 10px; font-size: clamp(32px, 4.4vw, 52px); line-height: 1.1; }
.closing p { margin: 0 0 28px; color: var(--ink-soft); font-size: 18px; }

/* Support and privacy */
.doc { padding: clamp(48px, 7vw, 88px) 0 clamp(72px, 9vw, 112px); }
.doc h1 { margin: 0 0 8px; font-size: clamp(40px, 6vw, 58px); line-height: 1.05; }
.doc .sub { margin: 0 0 40px; color: var(--ink-soft); }
.doc h2 { margin: 44px 0 10px; font-size: 25px; line-height: 1.3; }
.doc ul { padding-left: 1.2em; }
.doc li { margin: 6px 0; }
.panel { background: var(--card); border: 1px solid var(--rule); border-radius: 18px; padding: clamp(20px, 3vw, 30px); }
.panel h2 { margin-top: 0; }
.panel p:last-child { margin-bottom: 0; }
details { border-bottom: 1px solid var(--rule); padding: 16px 0; }
details:first-of-type { border-top: 1px solid var(--rule); }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; font: 500 20px/1.35 var(--serif); }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font: 400 24px/1 var(--sans); }
details[open] summary::after { content: "–"; }
details p { margin: 10px 0 2px; color: var(--ink-soft); }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); padding: 30px 0 44px; font-size: 14px; color: var(--ink-soft); }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.site-footer nav { display: flex; gap: 22px; }
.site-footer a { color: var(--ink-soft); }

@media (max-width: 820px) {
  .brand span { display: none; }
  .hero { padding-top: 104px; background: linear-gradient(180deg, var(--dusk) 0%, var(--dusk) 72%, var(--paper) 72%); }
  .hero h1 { letter-spacing: 0.1em; padding-left: 0.1em; font-size: 13vw; }
  .steps, .facts { grid-template-columns: 1fr; }
  .showcase .caption { grid-template-columns: 1fr; gap: 12px; }
  .grid-2 { grid-template-columns: 1fr; }
}