/* Next Play Books – nextplaybooks.com */
@font-face { font-family: "Archivo Black"; src: url("fonts/archivo-900.woff2") format("woff2"); font-weight: 900; font-display: swap; }
@font-face { font-family: "Archivo"; src: url("fonts/archivo-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Plex"; src: url("fonts/plex-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex"; src: url("fonts/plex-400i.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Plex"; src: url("fonts/plex-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Plex"; src: url("fonts/plex-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --navy: #0b1b2b; --navy-2: #102538; --navy-3: #16314a;
  --ink: #f3f6f8; --muted: #a8b6c3; --lime: #c8f24a; --lime-2: #b4dc35;
  --paper: #f2efe6; --paper-ink: #0b1b2b; --paper-muted: #4a5866;
  --line: rgb(255 255 255 / .12);
  --display: "Archivo Black", "Arial Black", sans-serif;
  --body: "Plex", "Segoe UI", sans-serif;
  --wrap: min(1160px, 100% - 32px);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--navy); color: var(--ink); font: 400 clamp(16px, 1.05vw + 12px, 18px)/1.6 var(--body); overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .05; mix-blend-mode: overlay;
  background-image: repeating-linear-gradient(115deg, #fff 0 1px, transparent 1px 3px); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; border-radius: 4px; }
.wrap { width: var(--wrap); margin-inline: auto; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--lime); color: var(--navy); padding: 8px 14px; z-index: 200; font-weight: 700; }
.skip:focus { left: 8px; }

/* typografie */
.kicker { font: 700 .82rem/1.3 "Archivo", var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--lime); margin: 0 0 14px; }
.h { font: 900 clamp(2.1rem, 5.2vw, 4.4rem)/.92 var(--display); text-transform: uppercase; letter-spacing: -.01em; margin: 0 0 28px; text-wrap: balance; }
.h em { font-style: normal; color: var(--lime); }
.lead { font-size: clamp(1.08rem, .6vw + .95rem, 1.3rem); max-width: 58ch; color: #dfe6ec; }
.fine { font-size: .86rem; color: var(--muted); max-width: 70ch; }
p { margin: 0 0 1em; }

/* tlačítka */
.btn { display: inline-flex; flex-direction: column; gap: 2px; background: var(--lime); color: var(--navy); text-decoration: none;
  font: 900 1rem/1.15 var(--display); text-transform: uppercase; letter-spacing: .03em; padding: 16px 24px; border-radius: 12px;
  box-shadow: 0 8px 0 var(--lime-2), 0 18px 30px rgb(0 0 0 / .35); transition: transform .15s ease, box-shadow .15s ease; }
.btn small { font: 600 .78rem/1.2 var(--body); text-transform: none; letter-spacing: 0; opacity: .85; }
.btn:hover { transform: translateY(2px); box-shadow: 0 6px 0 var(--lime-2), 0 12px 22px rgb(0 0 0 / .3); }
.btn:active { transform: translateY(6px); box-shadow: 0 2px 0 var(--lime-2); }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--line); }
.btn-ghost:hover { box-shadow: inset 0 0 0 2px var(--lime); transform: none; }
.btn-dark { background: var(--navy); color: var(--lime); box-shadow: 0 8px 0 #000; }
.btn-sm { padding: 10px 16px; font-size: .82rem; box-shadow: 0 4px 0 var(--lime-2); }

/* lišta a hlavička */
.launch { background: var(--lime); color: var(--navy); text-align: center; font-size: .9rem; padding: 9px 16px; }
.launch b { font-family: var(--display); font-weight: 900; text-transform: uppercase; letter-spacing: .03em; }
.top { width: var(--wrap); margin: 0 auto; display: flex; align-items: center; gap: 28px; padding: 20px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 900 1.1rem var(--display); text-transform: uppercase; letter-spacing: .04em; text-decoration: none; margin: 0; }
.brand i { font-style: normal; color: var(--lime); }
.dot { width: 22px; height: 22px; border-radius: 50%; flex: none; background: radial-gradient(circle, var(--lime) 0 26%, var(--navy) 27% 46%, #fff 47% 66%, var(--navy) 67% 100%); box-shadow: 0 0 0 2px #fff; }
.top nav { display: flex; gap: 22px; margin-left: auto; }
.top nav a { text-decoration: none; font-weight: 600; font-size: .95rem; color: var(--muted); }
.top nav a:hover { color: var(--ink); }

/* hero */
.hero { width: var(--wrap); margin: 0 auto; display: grid; grid-template-columns: 1.08fr .92fr; gap: 40px; align-items: center; padding: 30px 0 80px; }
.hero h1 { font: 900 clamp(4.6rem, 13vw, 11.5rem)/.8 var(--display); text-transform: uppercase; letter-spacing: -.02em; margin: 6px 0 28px; }
.hero h1 span { display: block; }
.hero h1 span + span { color: transparent; -webkit-text-stroke: 2px var(--ink); }
.lede { font: 900 clamp(1.3rem, 1.6vw + .8rem, 2rem)/1.15 var(--display); text-transform: uppercase; margin-bottom: 18px; max-width: 22ch; }
.lede em { font-style: normal; color: var(--lime); }
.sub { color: #dfe6ec; max-width: 48ch; }
.ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 28px; align-items: flex-start; }
.hero-art { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.hero-art::before { content: ""; position: absolute; inset: 4%; border-radius: 50%; background: repeating-radial-gradient(circle, rgb(255 255 255 / .07) 0 2px, transparent 2px 46px); }
.target { position: absolute; width: 56%; height: auto; right: -2%; bottom: 0; z-index: 2; overflow: visible; }
.target .ring { fill: none; stroke: #fff; stroke-opacity: .7; stroke-width: 7; }
.target .ring:nth-of-type(2n) { stroke: var(--lime); stroke-opacity: .9; }
.target .bull { fill: var(--lime); }
.target .arrow { fill: var(--lime); transform: rotate(-8deg); transform-origin: 200px 200px; animation: shoot 1.1s cubic-bezier(.2,.9,.25,1) .5s both; }
@keyframes shoot { from { translate: -60% 0; opacity: 0; } 60% { opacity: 1; } to { translate: 0 0; opacity: 1; } }
.book { position: relative; width: min(60%, 320px); perspective: 1400px; animation: rise .9s ease-out both; }
.book .cover img { border-radius: 3px 8px 8px 3px; transform: rotateY(-16deg) rotateZ(2deg); transform-origin: left center;
  box-shadow: -18px 0 0 -10px rgb(0 0 0 / .4) inset, 30px 40px 60px rgb(0 0 0 / .55); }
@keyframes rise { from { transform: translateY(24px); opacity: 0; } to { transform: none; opacity: 1; } }
.hero-text > * { animation: rise .7s ease-out both; }
.hero-text > :nth-child(2) { animation-delay: .08s; } .hero-text > :nth-child(3) { animation-delay: .16s; }
.hero-text > :nth-child(4) { animation-delay: .24s; } .hero-text > :nth-child(5) { animation-delay: .32s; }

/* ticker */
.ticker { border-block: 1px solid var(--line); overflow: hidden; background: var(--navy-2); }
.track { display: flex; width: max-content; animation: tick 40s linear infinite; }
.track span { font: 900 1.05rem var(--display); text-transform: uppercase; letter-spacing: .08em; padding: 16px 26px; color: var(--muted); }
.track span::after { content: "•"; color: var(--lime); margin-left: 52px; font-family: var(--body); }
@keyframes tick { to { transform: translateX(-50%); } }

/* sekce */
section { padding: clamp(64px, 9vw, 120px) 0; }
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.problem .big { display: block; font: 900 clamp(2.4rem, 4vw, 3.6rem)/1 var(--display); text-transform: uppercase; color: var(--lime); margin-bottom: 12px; }
.problem .cols3 > div { border-top: 3px solid var(--ink); padding-top: 18px; }
.problem .note { margin-top: 36px; font-size: 1.15rem; max-width: 60ch; }

.tools { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.tools li { padding: 24px 22px 26px; position: relative; transition: background .2s; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tools li:hover { background: var(--navy-2); }
.tools .n { font: 900 2.6rem/1 var(--display); color: transparent; -webkit-text-stroke: 1.5px var(--lime); }
.tools h3 { font: 900 1.05rem/1.15 var(--display); text-transform: uppercase; margin: 14px 0 8px; }
.tools p { color: var(--muted); font-size: .95rem; margin: 0; }

.anatomy { background: var(--paper); color: var(--paper-ink); }
.anatomy .kicker { color: #4f6e12; }
.anatomy .h em { color: var(--navy); background: linear-gradient(transparent 62%, var(--lime) 62%); }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; position: relative; padding: 14px 0 14px 58px; border-top: 1px solid rgb(11 27 43 / .14); color: var(--paper-muted); }
.steps li b { color: var(--paper-ink); }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 12px; font: 900 1.4rem var(--display); color: var(--paper-ink); }
.fan { position: relative; min-height: 520px; }
.fan .pg { position: absolute; width: 58%; }
.fan .pg img { border-radius: 4px; box-shadow: 0 18px 40px rgb(11 27 43 / .28); background: #fff; }
.fan .pg1 { left: 0; top: 30px; transform: rotate(-7deg); }
.fan .pg2 { left: 22%; top: 0; transform: rotate(2deg); z-index: 2; }
.fan .pg3 { right: 0; top: 70px; transform: rotate(9deg); }

.experts { list-style: none; padding: 0; margin: 34px 0 30px; display: flex; flex-wrap: wrap; gap: 10px 14px; }
.experts li { font: 900 clamp(1rem, 1.3vw + .6rem, 1.5rem)/1.1 var(--display); text-transform: uppercase; padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; }
.experts li:nth-child(4n+1) { border-color: var(--lime); color: var(--lime); }

.dojo { background: radial-gradient(120% 90% at 85% 10%, var(--navy-3), var(--navy) 60%); border-block: 1px solid var(--line); }
.terms { margin-top: 40px; }
.terms > div { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: rgb(255 255 255 / .03); }
.terms h3 { font: 900 1.5rem var(--display); text-transform: uppercase; color: var(--lime); margin: 0 0 8px; }
.terms p { color: var(--muted); margin: 0; }

.gb p { color: #dfe6ec; }

.rules { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; }
.rules li { display: grid; grid-template-columns: 74px 1fr; gap: 12px; padding: 22px 0; border-top: 1px solid var(--line); }
.rules .n { font: 900 2.4rem/1 var(--display); color: var(--lime); }
.rules h3 { font: 900 1.15rem/1.15 var(--display); text-transform: uppercase; margin: 2px 0 8px; }
.rules p { color: var(--muted); font-size: .96rem; margin: 0; }
.rules p b { color: var(--ink); font-weight: 600; }

.parents { background: var(--paper); color: var(--paper-ink); }
.parents .kicker { color: #4f6e12; }
.parents .h em { color: var(--navy); background: linear-gradient(transparent 62%, var(--lime) 62%); }
.parents .fine { color: var(--paper-muted); }

.author .target.small { position: relative; right: auto; bottom: auto; width: min(100%, 360px); margin: 0 auto; display: block; }
.author p { color: #dfe6ec; }

.bonus-cta { background: var(--lime); color: var(--navy); }
.bonus-cta .kicker { color: var(--navy); }
.bonus-cta .h em { color: var(--navy); text-decoration: underline; text-decoration-thickness: 6px; text-underline-offset: 8px; }

.faq details { border-top: 1px solid var(--line); padding: 4px 0; max-width: 820px; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; position: relative; font: 900 1.12rem var(--display); text-transform: uppercase; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.8rem; color: var(--lime); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); max-width: 68ch; }

.final { text-align: center; background: radial-gradient(80% 120% at 50% 100%, var(--navy-3), var(--navy) 70%); }
.final .h { font-size: clamp(2.6rem, 7vw, 6rem); }

.foot { border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--muted); font-size: .9rem; }
.foot .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.foot p { margin: 0; }

/* bonus a 404 */
.bonus-main { padding: 60px 0 120px; max-width: 760px; }
.bonus-main .btn { margin: 18px 0 26px; }

/* mobil */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-bottom: 50px; }
  .hero-art { max-width: 420px; width: 100%; margin: 0 auto; order: -1; }
  .top nav { display: none; }
  .top .btn-sm { margin-left: auto; }
  .cols3, .grid2, .rules { grid-template-columns: 1fr; }
  .fan { min-height: 0; height: 128vw; max-height: 620px; }
  .author .grid2 > :first-child { order: 2; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .track { transform: none; flex-wrap: wrap; width: auto; }
}