/* Sudoku Clan landing pages: same candy look as the game, but plain, fast HTML. */
@font-face { font-family: 'Fredoka'; src: url('/seo/fredoka.woff2') format('woff2'); font-weight: 300 700; font-display: swap; }
@font-face { font-family: 'Nunito'; src: url('/seo/nunito.woff2') format('woff2'); font-weight: 200 1000; font-display: swap; }
:root { --blue: #2f62f0; --blue-hi: #4f86ff; --blue-lo: #1f44c8; --violet: #7b5cff; --orange: #ff8a1f; --ink: #1b2250; --muted: #56608f; --bg: #eef2fc; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: 'Nunito', system-ui, sans-serif; color: var(--ink); background: radial-gradient(1200px 600px at 50% -200px, #dfe7ff, var(--bg)); line-height: 1.55; }
a { color: var(--blue); }
.top { display: flex; align-items: center; justify-content: space-between; padding: 14px clamp(16px, 4vw, 40px); max-width: 1100px; margin: 0 auto; }
.logo { display: inline-flex; flex-direction: column; line-height: 0.9; text-decoration: none; font-family: 'Fredoka', sans-serif; font-weight: 700; letter-spacing: 0.02em; }
.logo span { font-size: 22px; color: #fff; -webkit-text-stroke: 5px var(--blue); paint-order: stroke fill; }
.logo b { font-size: 25px; color: var(--orange); -webkit-text-stroke: 5px var(--blue); paint-order: stroke fill; }
main { max-width: 1100px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px) 40px; }
h1, h2 { font-family: 'Fredoka', sans-serif; line-height: 1.1; }
h1 { font-size: clamp(34px, 6vw, 56px); margin: 10px 0 14px; }
h2 { font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 10px; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center; padding: 16px 0 28px; }
.lead { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 34em; }
.note { color: var(--muted); font-size: 14px; margin-top: 10px; }
.btn { display: inline-block; font-family: 'Fredoka', sans-serif; font-weight: 600; font-size: 20px; color: #fff; text-decoration: none; padding: 14px 26px; border-radius: 18px; background: linear-gradient(180deg, var(--blue-hi), var(--blue)); box-shadow: 0 5px 0 var(--blue-lo), 0 12px 24px rgba(47, 98, 240, 0.3); transition: transform 0.08s; }
.btn:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--blue-lo); }
.btn.small { font-size: 16px; padding: 9px 16px; border-radius: 14px; }
.shots { display: flex; gap: 14px; justify-content: center; }
.shots img { width: min(200px, 30vw); height: auto; border-radius: 22px; border: 6px solid #12163a; box-shadow: 0 18px 40px rgba(20, 30, 90, 0.25); background: #12163a; }
.shots img:nth-child(2) { transform: translateY(24px); }
.shots img:only-child { width: min(260px, 60vw); }
section { background: #fff; border-radius: 24px; padding: clamp(18px, 3vw, 28px); margin: 18px 0; box-shadow: 0 2px 0 #dbe2f6, 0 10px 30px rgba(30, 50, 120, 0.06); }
section p { margin: 0 0 10px; max-width: 46em; }
.modes { list-style: none; padding: 0; margin: 14px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.modes a { display: block; height: 100%; padding: 14px 16px; border-radius: 16px; text-decoration: none; color: #fff; background: linear-gradient(160deg, var(--blue-hi), var(--violet)); }
.modes li:nth-child(2) a { background: linear-gradient(160deg, #5fe8b8, #19b98f); }
.modes li:nth-child(3) a { background: linear-gradient(160deg, #a28bff, #7b5cff); }
.modes li:nth-child(4) a { background: linear-gradient(160deg, #ffb23e, #ff8a1f); }
.modes li:nth-child(5) a { background: linear-gradient(160deg, #ff76ad, #ff3d8b); }
.modes b { display: block; font-family: 'Fredoka', sans-serif; font-size: 19px; }
.modes span { font-size: 14px; opacity: 0.92; }
.steps { padding-left: 22px; margin: 0; }
.steps li { margin: 6px 0; }
.faq details { border-top: 1px solid #e6eaf7; padding: 12px 0; }
.faq details:first-of-type { border-top: 0; }
.faq summary { cursor: pointer; font-weight: 800; }
.faq p { margin: 8px 0 0; color: var(--muted); }
.cta-end { text-align: center; background: linear-gradient(160deg, var(--blue-hi), var(--violet)); color: #fff; }
.cta-end .btn { background: #fff; color: var(--blue); box-shadow: 0 5px 0 #c9d4f7; }
.more ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 16px; }
.more h2 { font-size: 20px; margin-top: 26px; }
footer { text-align: center; color: var(--muted); font-size: 14px; padding: 20px 16px 40px; }
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .shots img:nth-child(3) { display: none; }
}

/* website home page */
.topnav { display: flex; gap: 20px; font-weight: 800; }
.topnav a { color: var(--ink); text-decoration: none; }
.kicker { display: inline-block; margin: 0; padding: 4px 12px; border-radius: 999px; background: #e6edff; color: var(--blue); font-weight: 800; font-size: 14px; }
.hl { color: var(--orange); }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 18px; }
.btn.big { font-size: 22px; padding: 16px 30px; }
.btn.ghost { background: #fff; color: var(--blue); box-shadow: 0 5px 0 #c9d4f7, 0 10px 20px rgba(47, 98, 240, 0.12); }
.stores { color: var(--muted); font-size: 14px; margin-top: 14px; }
.mode-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; margin-top: 16px; }
.mode { display: flex; flex-direction: column; gap: 4px; padding: 14px; border-radius: 20px; text-decoration: none; color: #fff; background: linear-gradient(160deg, var(--blue-hi), var(--violet)); }
.mode.m2 { background: linear-gradient(160deg, #5fe8b8, #19b98f); }
.mode.m3 { background: linear-gradient(160deg, #a28bff, #7b5cff); }
.mode.m4 { background: linear-gradient(160deg, #ffb23e, #ff8a1f); }
.mode.m5 { background: linear-gradient(160deg, #ff76ad, #ff3d8b); }
.mode img { width: 100%; height: 220px; object-fit: cover; object-position: top; border-radius: 14px; margin-bottom: 6px; background: #12163a; }
.mode b { font-family: 'Fredoka', sans-serif; font-size: 21px; }
.mode .who { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.85; }
.mode span:last-child { font-size: 14px; opacity: 0.95; }
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; }
.split .btn { margin-top: 8px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.features div { display: flex; flex-direction: column; gap: 4px; padding: 6px; }
.features b { font-family: 'Fredoka', sans-serif; font-size: 19px; }
.features span { color: var(--muted); font-size: 15px; }
@media (max-width: 760px) {
  .topnav { display: none; }
  .split { grid-template-columns: 1fr; }
}
@media (min-width: 980px) {
  .mode-grid { grid-template-columns: repeat(5, 1fr); }
  .mode img { height: 200px; }
}
@media (max-width: 600px) {
  .mode-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .mode { padding: 10px; border-radius: 16px; }
  .mode img { height: 150px; }
  .mode b { font-size: 18px; }
  .mode span:last-child { font-size: 13px; }
}

/* ---------- modes: tones ---------- */
.m1 { --t1: #4f86ff; --t2: #7b5cff; --tl: #e9efff; --td: #2f4fd0; }
.m2 { --t1: #34d6a0; --t2: #12a87f; --tl: #e3f8f0; --td: #0d8a66; }
.m3 { --t1: #a28bff; --t2: #7b5cff; --tl: #efeaff; --td: #5b3fe0; }
.m4 { --t1: #ffb23e; --t2: #ff8a1f; --tl: #fff1df; --td: #d96a00; }
.m5 { --t1: #ff76ad; --t2: #ff3d8b; --tl: #ffe8f1; --td: #d81f6c; }

/* header menu */
.topnav { align-items: center; }
.menu { position: relative; }
.menu summary { list-style: none; cursor: pointer; color: var(--ink); }
.menu summary::-webkit-details-marker { display: none; }
.menu summary::after { content: ' ▾'; font-size: 12px; }
.menu-list { position: absolute; top: 30px; left: -12px; z-index: 10; display: grid; min-width: 200px; padding: 8px; border-radius: 16px; background: #fff; box-shadow: 0 16px 40px rgba(20, 30, 90, 0.18); }
.menu-list a { padding: 8px 10px; border-radius: 10px; }
.menu-list a:hover { background: var(--bg); }

/* demo clips */
.clip { position: relative; margin: 0; border-radius: 22px; overflow: hidden; background: #fff; box-shadow: 0 0 0 1px #e1e7f7, 0 14px 34px rgba(20, 30, 90, 0.14); aspect-ratio: 540 / 678; }
.clip video { display: block; width: 100%; height: 100%; object-fit: cover; }
.clip .live { position: absolute; top: 10px; right: 12px; padding: 2px 8px; border-radius: 999px; background: rgba(255, 255, 255, 0.85); color: #ff3d8b; font-size: 11px; font-weight: 900; letter-spacing: 0.06em; text-transform: uppercase; }

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 10px 0; }
.chips li { padding: 4px 11px; border-radius: 999px; background: var(--tl, #e6edff); color: var(--td, var(--blue)); font-size: 13px; font-weight: 800; }
.quick { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.quick li { display: flex; gap: 10px; align-items: center; font-weight: 700; font-size: 16px; }
.quick li span { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; background: var(--tl, #e6edff); font-size: 18px; }
.mode-icon { font-size: 40px; line-height: 1; margin: 0 0 4px; }
.hook { font-family: 'Fredoka', sans-serif; font-size: clamp(20px, 2.6vw, 24px); font-weight: 600; color: var(--td, var(--blue)); margin: 0; }

/* home: mode showcase */
.modes-intro { text-align: center; padding: 36px 0 6px; }
.modes-intro p { color: var(--muted); max-width: 36em; margin: 0 auto; }
.mode-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 16px; }
.mode-pills a { padding: 8px 14px; border-radius: 999px; background: #fff; color: var(--td); font-weight: 800; text-decoration: none; box-shadow: 0 0 0 2px var(--tl); }
.showcase { display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: clamp(20px, 4vw, 48px); align-items: center; border-top: 6px solid var(--t1); scroll-margin-top: 16px; }
.showcase.flip { grid-template-columns: 1fr minmax(220px, 300px); }
.showcase.flip .clip { order: 2; }
.showcase h3 { font-family: 'Fredoka', sans-serif; font-size: clamp(28px, 4vw, 38px); margin: 0 0 4px; line-height: 1.05; }
.showcase .btn:not(.ghost), .mode-page .btn:not(.ghost), .feature-mode .btn { background: linear-gradient(180deg, var(--t1), var(--t2)); box-shadow: 0 5px 0 var(--td), 0 12px 24px rgba(20, 30, 90, 0.18); }
.showcase .btn.ghost, .mode-page .btn.ghost { color: var(--td); }
.showcase .btn { font-size: 18px; padding: 12px 20px; }

/* mode page */
.crumbs { font-size: 14px; color: var(--muted); margin: 6px 0 4px; }
.crumbs a { color: var(--muted); }
.mode-hero { display: grid; grid-template-columns: 1fr minmax(240px, 320px); gap: clamp(20px, 4vw, 48px); align-items: center; padding: 18px 0 26px; }
.mode-hero h1 { margin: 0; font-size: clamp(44px, 7vw, 68px); background: linear-gradient(90deg, var(--t1), var(--t2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.in-short { background: linear-gradient(160deg, #fff, var(--tl)); }
.in-short .quick li { font-size: 18px; }
.best { margin-top: 14px !important; color: var(--muted); }
.how h2 { margin-bottom: 16px; }
.steps-video { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; }
.steps-video li { display: flex; flex-direction: column; gap: 12px; }
.steps-video h3 { font-family: 'Fredoka', sans-serif; font-size: 20px; margin: 4px 0 2px; }
.steps-video p { margin: 0; color: var(--muted); font-size: 15px; }
.num { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--t2); color: #fff; font-weight: 900; font-size: 14px; }
.mode-page .cta-end { background: linear-gradient(160deg, var(--t1), var(--t2)); }
.mode-page .cta-end .btn { background: #fff; color: var(--td); box-shadow: 0 5px 0 rgba(0, 0, 0, 0.12); }
.mini-modes { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-top: 12px; }
.mini { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; align-items: center; padding: 14px; border-radius: 16px; text-decoration: none; color: #fff; background: linear-gradient(160deg, var(--t1), var(--t2)); }
.mini span { grid-row: span 2; font-size: 28px; }
.mini b { font-family: 'Fredoka', sans-serif; font-size: 19px; }
.mini small { font-size: 13px; opacity: 0.92; }

/* landing pages: featured mode */
.feature-mode { display: grid; grid-template-columns: 1fr minmax(200px, 260px); gap: 28px; align-items: center; background: linear-gradient(160deg, #fff, var(--tl)); }

/* footer */
.foot { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; max-width: 1100px; margin: 0 auto 18px; padding: 0 clamp(16px, 4vw, 40px); text-align: left; }
.foot div { display: grid; gap: 6px; align-content: start; }
.foot b { color: var(--ink); font-family: 'Fredoka', sans-serif; font-size: 16px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--blue); }

@media (max-width: 760px) {
  .showcase, .showcase.flip, .mode-hero, .feature-mode { grid-template-columns: 1fr; }
  .showcase .clip, .showcase.flip .clip, .mode-hero .clip, .feature-mode .clip { order: 2; width: min(300px, 82vw); justify-self: center; }
  .topnav { display: flex; gap: 12px; font-size: 15px; }
  .topnav > a { display: none; }
  .menu-list { left: auto; right: -60px; }
}
@media (max-width: 760px) {
  .steps-video { grid-template-columns: 1fr; }
  .steps-video .clip { width: min(280px, 78vw); justify-self: center; }
  .steps-video li { align-items: stretch; }
}