/* SebbyArcade Games — studio stylesheet. Games add their own look with a theme file
   (assets/css/theme-<slug>.css) that only changes the variables below and a few game-only blocks. */
:root {
  --bg: #FAF6EF;
  --bg-2: #F3ECE1;
  --panel: #FFFFFF;
  --panel-2: #F2EBE0;
  --line: rgba(60, 40, 20, .13);
  --text: #23202B;
  --dim: #5D5866;
  --accent: #E23D62;        /* coral */
  --accent-2: #0E8174;      /* mint, deep enough for text */
  --accent-3: #A2620A;      /* sunny, deep enough for text */
  --link: #0B7468;
  --on-accent: #FFFFFF;
  --btn-bg: linear-gradient(135deg, #E23D62, #EE6A3E);
  --btn-line: rgba(60, 40, 20, .22);
  --top-bg: rgba(250, 246, 239, .88);
  --footer-bg: #F1E9DC;
  --ghost-bg: rgba(255, 255, 255, .7);
  --shadow: rgba(80, 50, 20, .14);
  --shadow-strong: rgba(80, 50, 20, .22);
  --dots: rgba(60, 40, 20, .08);
  --glow-1: rgba(255, 92, 122, .16);
  --glow-2: rgba(61, 214, 196, .18);
  --mint-soft: rgba(14, 129, 116, .09);
  --mint-line: rgba(14, 129, 116, .32);
  --sun-soft: rgba(255, 190, 60, .16);
  --sun-line: rgba(162, 98, 10, .32);
  --coral-soft: rgba(226, 61, 98, .08);
  --coral-line: rgba(226, 61, 98, .35);
  --card-hover-line: rgba(60, 40, 20, .28);
  --placeholder-end: #3A3550;
  --font-head: "Fredoka", "Nunito Sans", system-ui, sans-serif;
  --font-body: "Nunito Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  --radius: 20px;
  --wrap: 1140px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font-body); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { filter: brightness(1.15); }
:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; border-radius: 8px; }
h1, h2, h3 { font-family: var(--font-head); color: var(--text); line-height: 1.15; text-wrap: balance; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin-top: 0; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent-2); color: var(--on-accent); padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 12px; }
.muted { color: var(--dim); }

/* Header */
.top { position: sticky; top: 0; z-index: 20; background: var(--top-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand img { width: 36px; height: 36px; }
.brand b { font-family: "Fredoka", system-ui, sans-serif; font-weight: 700; font-size: 1.25rem; letter-spacing: .01em; color: var(--text); }
.brand span { color: var(--dim); font-weight: 700; font-size: .85rem; }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--text); text-decoration: none; padding: 8px 12px; border-radius: 999px; font-weight: 700; font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--panel-2); }
.langs { display: flex; gap: 2px; border: 1px solid var(--line); border-radius: 999px; padding: 2px; margin-left: 6px; }
.langs a { padding: 4px 10px; font-size: .82rem; }
.langs a[aria-current="true"] { background: var(--accent-2); color: var(--on-accent); }

/* Buttons */
.btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 12px 24px; border-radius: 999px; text-decoration: none; border: 1.5px solid var(--btn-line); color: var(--text); background: var(--ghost-bg); cursor: pointer; font: inherit; font-weight: 800; }
.btn.primary { background: var(--btn-bg); color: var(--on-accent); border-color: transparent; box-shadow: 0 10px 26px var(--shadow-strong); }
.btn.primary:hover { filter: brightness(1.06); }
.btn[aria-disabled="true"] { opacity: .6; border-style: dashed; cursor: default; }
.btn svg { width: 22px; height: 22px; flex: none; }
.btn .two { display: flex; flex-direction: column; line-height: 1.1; text-align: left; }
.btn .two small { font-weight: 700; font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; opacity: .8; }
.btn.small { min-height: 40px; padding: 6px 16px; font-size: .9rem; }

/* Studio hero */
.s-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line);
  background: radial-gradient(600px 400px at 85% 10%, var(--glow-1), transparent 60%),
              radial-gradient(500px 380px at 10% 90%, var(--glow-2), transparent 60%), var(--bg); }
.s-hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(var(--dots) 1.2px, transparent 1.3px); background-size: 22px 22px; mask-image: linear-gradient(180deg, #000, transparent 90%); -webkit-mask-image: linear-gradient(180deg, #000, transparent 90%); }
.s-hero .wrap { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; padding-top: clamp(56px, 9vw, 110px); padding-bottom: clamp(56px, 9vw, 110px); }
.s-hero h1 span { background: linear-gradient(90deg, var(--accent), var(--accent-3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.s-hero .lead { font-size: 1.18rem; color: var(--dim); max-width: 50ch; }
.chip { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-2); background: var(--mint-soft); border: 1px solid var(--mint-line); padding: 6px 12px; border-radius: 999px; margin-bottom: 16px; }
.tiles { position: relative; aspect-ratio: 1 / .9; max-width: 440px; justify-self: center; width: 100%; }
.tiles i { position: absolute; border-radius: 22px; box-shadow: 0 18px 40px var(--shadow-strong); }
.tiles .t1 { width: 46%; aspect-ratio: 1; left: 4%; top: 8%; background: linear-gradient(135deg, #FF5C7A, #FF8A5C); transform: rotate(-8deg); }
.tiles .t2 { width: 40%; aspect-ratio: 1; right: 6%; top: 0; background: linear-gradient(135deg, #3DD6C4, #3A8DDE); transform: rotate(10deg); border-radius: 50%; }
.tiles .t3 { width: 42%; aspect-ratio: 1; left: 30%; bottom: 0; background: linear-gradient(135deg, #FFC94D, #FF9F43); transform: rotate(6deg); }
.tiles .t4 { width: 18%; aspect-ratio: 1; right: 10%; bottom: 18%; background: #7C6BFF; transform: rotate(-14deg); border-radius: 14px; }
.tiles svg { position: absolute; inset: 0; width: 100%; height: 100%; }

/* Sections and cards */
section.block { padding: 64px 0; }
.sec-head { display: flex; align-items: end; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; min-width: 0; text-decoration: none; color: inherit; }
.card .art { aspect-ratio: 1024 / 500; background: #111 center / cover; position: relative; }
.card .body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card h3 { margin: 0; font-size: 1.3rem; }
.card h3 a { color: var(--text); text-decoration: none; }
.badge { display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; background: var(--mint-soft); color: var(--accent-2); border: 1px solid var(--mint-line); width: fit-content; }
.badge.soon { background: var(--sun-soft); color: var(--accent-3); border-color: var(--sun-line); }
.card .more { margin-top: auto; font-weight: 800; }
.card .art.placeholder { display: grid; place-items: center; background: radial-gradient(circle at 75% 20%, rgba(255,255,255,.18), transparent 35%), linear-gradient(150deg, var(--g-accent, #444), var(--placeholder-end) 85%); }
.placeholder svg { width: 76px; height: 76px; }
.studio-note { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.studio-note div { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
.studio-note b { display: block; font-family: var(--font-head); font-size: 1.1rem; margin-bottom: 4px; }

/* Long text (policies) */
.doc-wrap { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; padding: 40px 0 72px; align-items: start; }
.doc-wrap.no-toc { grid-template-columns: minmax(0, 1fr); }
.toc { position: sticky; top: 84px; font-size: .9rem; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; }
.toc b { display: block; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); margin-bottom: 6px; }
.toc ol { margin: 0; padding-left: 1.1em; }
.toc li { margin: 5px 0; }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--link); }
.doc { max-width: 70ch; font-size: 1.04rem; line-height: 1.75; }
.doc .back { font-weight: 800; font-size: .95rem; }
.doc h1 { font-size: clamp(1.9rem, 4.6vw, 2.7rem); margin-top: .3em; }
.doc h2 { font-size: 1.35rem; border-top: 1px solid var(--line); padding-top: 1.2em; margin-top: 1.6em; scroll-margin-top: 84px; }
.doc h3 { font-size: 1.08rem; margin-top: 1.3em; }
.doc li { margin: 6px 0; }
.doc strong { color: #fff; }
.callout { background: var(--coral-soft); border: 1px solid var(--coral-line); border-radius: 16px; padding: 16px 20px; margin: 20px 0; }
.callout h2 { border: 0; padding: 0; margin: 0 0 6px; font-size: 1.1rem; }

/* Contact & FAQ */
.contact { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; width: fit-content; max-width: 100%; }
.contact code { font: 700 1.05rem/1.3 ui-monospace, Menlo, Consolas, monospace; color: var(--text); user-select: all; overflow-wrap: anywhere; }
details.faq { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 4px 18px; margin: 10px 0; }
details.faq summary { cursor: pointer; font-weight: 800; padding: 12px 0; }
details.faq[open] summary { color: var(--link); }
.simple { padding: 48px 0 72px; max-width: 760px; }

/* Footer */
footer { border-top: 1px solid var(--line); background: var(--footer-bg); padding: 32px 0 calc(32px + env(safe-area-inset-bottom)); color: var(--dim); font-size: .92rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 32px; justify-content: space-between; align-items: center; }
footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
footer a { color: var(--text); text-decoration: none; }
footer a:hover { color: var(--link); }

@media (max-width: 820px) {
  .s-hero .wrap { grid-template-columns: 1fr; }
  .tiles { max-width: 300px; }
  .doc-wrap { grid-template-columns: minmax(0, 1fr); gap: 18px; padding-top: 24px; }
  .toc { position: static; }
  .nav { margin-left: 0; width: 100%; }
  .top .wrap { padding-top: 8px; padding-bottom: 8px; gap: 4px; }
  .brand span { display: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .card { transition: transform .18s ease, border-color .18s ease; }
  .card:hover { transform: translateY(-3px); border-color: var(--card-hover-line); }
}

.more-card .art.placeholder { display: grid; place-items: center; }
.more-plus { font-family: var(--font-head); font-size: 4rem; font-weight: 700; color: #fff; line-height: 1; }