/* Layout: sticker-style cards with thick hand-drawn outlines on a mint field, taken from the Yongsusu drawing. */
:root {
  --mint: #9cfcee;
  --aqua: #2afae0;
  --corn: #ffea3f;
  --corn-shade: #e9c93a;
  --blush: #ff8176;
  --skin: #f9c2b5;
  --ink: #111111;
  --ink-2: #3b4a48;
  --paper: #fffdf3;

  --display: "Gaegu", "Gowun Dodum", "Comic Sans MS", cursive;
  --body: "Nunito", "Gowun Dodum", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;

  --wobble: 28px 22px 30px 20px / 22px 30px 20px 28px;
  --wobble-2: 22px 30px 20px 28px / 30px 20px 28px 22px;
  --line: 3px solid var(--ink);
  --pop: 6px 6px 0 var(--ink);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
html[lang="ko"] body { word-break: keep-all; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--blush); outline-offset: 3px; border-radius: 8px; }

.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 8px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: var(--mint);
  border-bottom: var(--line);
  padding-top: env(safe-area-inset-top, 0px);
}
.nav-in { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 700 26px/1 var(--display); letter-spacing: -.01em; }
.logo b { color: var(--ink); background: var(--corn); padding: 0 6px 2px; border-radius: 8px; margin-left: 1px; }
.logo.small { font-size: 22px; }
.links { display: flex; gap: 4px; margin-left: auto; }
.links a { text-decoration: none; font-weight: 700; font-size: 15px; padding: 8px 12px; border-radius: 999px; }
.links a:hover { background: rgba(255,255,255,.6); }
.lang { display: flex; border: var(--line); border-radius: 999px; overflow: hidden; background: #fff; }
.lang button { font: 800 13px/1 var(--body); border: 0; background: transparent; padding: 8px 12px; cursor: pointer; color: var(--ink); }
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--corn); }

/* Hero */
.hero { position: relative; background: var(--mint); border-bottom: var(--line); overflow: hidden; }
.confetti { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-in { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; padding-block: 64px 72px; }
.eyebrow { font: 700 22px/1 var(--display); color: var(--ink-2); margin: 0 0 10px; letter-spacing: .02em; }
h1, h2, h3 { font-family: var(--display); line-height: 1.05; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h1 { font-size: clamp(48px, 7vw, 84px); }
h1::after { content: ""; display: block; width: 120px; height: 14px; margin-top: 14px; background: var(--corn); border: var(--line); border-radius: 10px 4px 12px 5px; }
.lede { font-size: 19px; max-width: 34em; margin: 22px 0 0; color: var(--ink-2); }
.ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 800 16px/1 var(--body); text-decoration: none; cursor: pointer;
  background: #fff; color: var(--ink);
  border: var(--line); border-radius: var(--wobble); box-shadow: 4px 4px 0 var(--ink);
  padding: 14px 22px; transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn.primary { background: var(--corn); }
.btn.big { font-size: clamp(16px, 2.6vw, 22px); padding: 18px 26px; }

.mascot { margin: 0; justify-self: center; text-align: center; }
.mascot img {
  width: min(420px, 100%); animation: bob 3.2s ease-in-out infinite; transform-origin: 50% 90%;
  /* fade the square photo edge into the mint hero */
  -webkit-mask-image: radial-gradient(closest-side, #000 86%, transparent 100%);
  mask-image: radial-gradient(closest-side, #000 86%, transparent 100%);
}
.mascot figcaption { font: 700 22px/1.2 var(--display); margin-top: 6px; }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-1.5deg); } 50% { transform: translateY(-10px) rotate(1.5deg); } }

/* Sections */
.section { padding-block: 88px; }
.section.alt { background: #fff7c2; border-block: var(--line); }
.section h2 { font-size: clamp(36px, 5vw, 56px); max-width: 18em; margin-bottom: 36px; }

.cards { display: grid; gap: 24px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: var(--line); border-radius: var(--wobble); box-shadow: var(--pop);
  padding: 26px 24px;
}
.cards .card:nth-child(2n) { border-radius: var(--wobble-2); }
.card h3 { font-size: 30px; margin: 14px 0 8px; }
.card p { margin: 0; color: var(--ink-2); }
.ico { width: 52px; height: 52px; }
.chips { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { font-size: 12.5px; font-weight: 800; padding: 3px 10px; border: 2px solid var(--ink); border-radius: 999px; background: var(--mint); }

/* Process */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { position: relative; padding: 22px 20px; background: #fff; border: var(--line); border-radius: var(--wobble-2); }
.steps .num { font: 700 20px/1 var(--display); display: inline-grid; place-items: center; width: 44px; height: 44px; border: var(--line); border-radius: 50%; background: var(--corn); font-variant-numeric: tabular-nums; }
.steps h3 { font-size: 30px; margin: 14px 0 6px; }
.steps p { margin: 0; color: var(--ink-2); font-size: 16px; }

/* Apps */
.card.app { display: flex; gap: 20px; align-items: flex-start; }
.app-icon { flex: none; width: 76px; height: 76px; border: var(--line); border-radius: 20px; overflow: hidden; background: #fff; }
.app-icon svg { width: 100%; height: 100%; display: block; }
.card.app h3 { margin-top: 2px; }
.ko-name { font-family: var(--body); font-size: 18px; font-weight: 800; color: var(--ink-2); margin-left: 6px; }
.badge { display: inline-block; margin-top: 14px; font-size: 13px; font-weight: 800; padding: 5px 12px; border-radius: 999px; background: var(--ink); color: var(--corn); }
.card.ghost { background: transparent; border-style: dashed; box-shadow: none; }

/* Contact */
.contact { background: var(--mint); border-top: var(--line); position: relative; }
.contact-card {
  background: var(--corn); border: var(--line); border-radius: var(--wobble); box-shadow: 10px 10px 0 var(--ink);
  padding: clamp(28px, 5vw, 56px); text-align: center; max-width: 860px; margin: 0 auto;
}
.contact-card h2 { margin: 0 auto 12px; font-size: clamp(38px, 6vw, 64px); }
.contact-card p { margin: 0 auto; max-width: 30em; font-size: 18px; }
.mail-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 28px; }
.mail-row .btn.primary { background: #fff; overflow-wrap: anywhere; }
.copied { min-height: 1.6em; margin-top: 12px !important; font-weight: 800; }

/* Footer */
.footer { background: var(--ink); color: #f4f4f4; padding-block: 36px calc(36px + env(safe-area-inset-bottom, 0px)); }
.foot-in { display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; }
.footer .logo b { color: var(--ink); }
.footer p { margin: 0; font-size: 14.5px; }
.footer a { color: var(--corn); }
.footer .fine { color: #a9b3b1; flex-basis: 100%; }
.biz { margin: 0; display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 13.5px; color: #d9dedd; flex: 1 1 520px; }
.biz div { display: flex; gap: 6px; }
.biz dt { color: #a9b3b1; }
.biz dd { margin: 0; }

/* Responsive */
@media (max-width: 900px) {
  .hero-in { grid-template-columns: 1fr; padding-block: 44px 56px; gap: 24px; }
  .mascot { order: -1; }
  .mascot img { width: min(280px, 70vw); }
  .cards.three, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .links { display: none; }
  .lang { margin-left: auto; }
  .cards.three, .cards.two, .steps { grid-template-columns: 1fr; }
  .section { padding-block: 64px; }
  body { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .mascot img { animation: none; }
  .btn { transition: none; }
}