/* The Attention Gym — site styles. Brand tokens match covers/cover_briefs.md and brand/brand-guide.html. */
:root {
  --paper: #F5F1EA;
  --paper-2: #EDE7DC;
  --ink: #111111;
  --ink-soft: #55524C;
  --line: #D8D1C4;
  --tomato: #F2542D;
  --cobalt: #2B3FE0;
  --lime: #D4F53C;
  --turquoise: #22B8C9;
  --coral: #FF6B5B;
  --sun: #FFD23F;
  --navy: #1B2A4A;
  --radius: 14px;
  --wrap: 1120px;
  --display: "Archivo Black", "Arial Black", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Noto Serif", Georgia, serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--body); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 10; }

/* header */
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-size: 18px; letter-spacing: .02em; }
.brand img { width: 56px; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.nav .btn { padding: 9px 16px; font-size: 14px; }
.menu-toggle { display: none; background: none; border: 0; font: 600 15px var(--body); cursor: pointer; }
@media (max-width: 780px) {
  .menu-toggle { display: block; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--paper); flex-direction: column; align-items: flex-start; padding: 16px 20px 22px; border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
}

/* buttons */
.btn { display: inline-block; background: var(--ink); color: #fff; text-decoration: none; font-weight: 700; padding: 13px 22px; border-radius: 999px; border: 2px solid var(--ink); cursor: pointer; font-size: 16px; }
.btn:hover { background: #2b2b2b; }
.btn.alt { background: transparent; color: var(--ink); }
.btn.alt:hover { background: var(--ink); color: #fff; }
.btn.tomato { background: var(--tomato); border-color: var(--tomato); }
.btn.cobalt { background: var(--cobalt); border-color: var(--cobalt); }
.btn.turquoise { background: var(--navy); border-color: var(--navy); }

/* type */
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.04; letter-spacing: -.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(42px, 7vw, 84px); text-transform: uppercase; }
h2 { font-size: clamp(30px, 4.4vw, 48px); }
h3 { font-size: 24px; }
.lede { font-size: clamp(19px, 2.2vw, 23px); color: var(--ink-soft); max-width: 640px; }
.kicker { font: 700 13px/1 var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--tomato); margin-bottom: 14px; }
.serif { font-family: var(--serif); }

/* sections */
section { padding: 84px 0; }
.band { background: var(--ink); color: var(--paper); }
.band .lede { color: #CFC8BB; }
.soft { background: var(--paper-2); }

/* hero */
.hero { padding: 72px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero .mark { width: min(520px, 100%); margin: 6px 0 26px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.covers { position: relative; height: 470px; }
.covers img { position: absolute; width: 58%; border-radius: 6px; box-shadow: 0 18px 40px rgba(0,0,0,.18); }
.covers .c1 { left: 0; top: 40px; transform: rotate(-6deg); }
.covers .c2 { left: 21%; top: 0; z-index: 2; }
.covers .c3 { right: 0; top: 50px; transform: rotate(6deg); }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .covers { height: 360px; } }

/* book cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: #fff; border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; border: 1px solid var(--line); }
.card .cover { aspect-ratio: 2/3; overflow: hidden; }
.card .cover img { width: 100%; height: 100%; object-fit: cover; }
.card .body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card .tag { font: 700 12px var(--body); letter-spacing: .12em; text-transform: uppercase; }
.card.adults .tag { color: var(--tomato); }
.card.teens .tag { color: var(--cobalt); }
.card.kids .tag { color: #138A97; }
.card p { margin: 0; color: var(--ink-soft); }
.card .row { margin-top: auto; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding-top: 8px; }
.pill { font: 700 12px var(--body); background: var(--paper-2); padding: 6px 10px; border-radius: 999px; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 36px; }
.step { border-top: 3px solid var(--ink); padding-top: 14px; }
.step b { font-family: var(--display); font-weight: 400; font-size: 34px; display: block; line-height: 1; margin-bottom: 8px; }
.step p { margin: 0; color: var(--ink-soft); }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr 1fr; } }

/* inside look */
.pages { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 34px; }
.pages figure { margin: 0; }
.pages img { border-radius: 6px; border: 1px solid var(--line); box-shadow: 0 8px 22px rgba(0,0,0,.08); background: #fff; }
.pages figcaption { font-size: 14px; color: var(--ink-soft); margin-top: 8px; }
@media (max-width: 820px) { .pages { grid-template-columns: 1fr 1fr; } }

/* split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; }
.ticks li { padding: 10px 0 10px 34px; position: relative; border-bottom: 1px solid rgba(255,255,255,.12); }
.soft .ticks li, .ticks.dark li { border-color: var(--line); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 19px; width: 18px; height: 3px; background: var(--tomato); border-radius: 2px; }
.ticks li::after { content: ""; position: absolute; left: 15px; top: 15.5px; width: 10px; height: 10px; border-radius: 50%; background: var(--tomato); }

/* email capture */
.capture { background: var(--tomato); color: #fff; border-radius: 22px; padding: 44px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: center; }
.capture h2 { margin-bottom: .3em; }
.capture p { margin: 0; font-size: 18px; }
.capture.cobalt { background: var(--cobalt); }
.capture.turquoise { background: var(--turquoise); color: var(--navy); }
.form { display: flex; flex-direction: column; gap: 10px; }
.form .fields { display: flex; gap: 8px; flex-wrap: wrap; }
.form input[type=email], .form select { flex: 1 1 220px; padding: 14px 16px; border-radius: 999px; border: 0; font: 16px var(--body); background: #fff; color: var(--ink); }
.form select { flex: 0 1 190px; appearance: none; }
.form .btn { background: var(--ink); border-color: var(--ink); color: #fff; }
.form .note { font-size: 13px; opacity: .9; }
.form .age { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; }
.form .age input { width: 18px; height: 18px; flex: none; }
.form .note a { color: inherit; }
.form .hp { position: absolute; left: -5000px; }
.form .msg { font-weight: 700; min-height: 1.2em; }
@media (max-width: 820px) { .capture { grid-template-columns: 1fr; padding: 30px; } }

/* book page */
.book-hero { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; align-items: start; }
.book-hero .cover img { border-radius: 8px; box-shadow: 0 22px 50px rgba(0,0,0,.2); }
.meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 26px; }
.phases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.phase { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.phase b { display: block; font-family: var(--display); font-weight: 400; font-size: 22px; text-transform: uppercase; }
.phase small { color: var(--ink-soft); font-weight: 700; letter-spacing: .08em; }
.phase p { margin: 8px 0 0; color: var(--ink-soft); font-size: 16px; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { font-weight: 700; cursor: pointer; font-size: 18px; }
.faq p { color: var(--ink-soft); margin: 10px 0 0; }
@media (max-width: 860px) { .book-hero { grid-template-columns: 1fr; gap: 28px; } .book-hero .cover { max-width: 230px; } .phases { grid-template-columns: 1fr; } }

/* prose pages */
.prose { max-width: 720px; }
.prose h2 { font-size: 30px; margin-top: 1.4em; }
.prose p, .prose li { color: #2a2a2a; }

/* footer */
.site-foot { padding: 56px 0 40px; border-top: 1px solid var(--line); font-size: 15px; color: var(--ink-soft); }
.site-foot .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.site-foot h4 { font: 700 13px var(--body); letter-spacing: .12em; text-transform: uppercase; color: var(--ink); margin: 0 0 12px; }
.site-foot a { display: block; text-decoration: none; padding: 3px 0; }
.site-foot a:hover { text-decoration: underline; }
.site-foot .small { margin-top: 34px; font-size: 13px; }
@media (max-width: 760px) { .site-foot .cols { grid-template-columns: 1fr 1fr; } }

/* page zoom (lightbox) */
.pages a.zoom { display: block; position: relative; cursor: zoom-in; border-radius: 6px; }
.pages a.zoom::after { content: "Tap to enlarge"; position: absolute; right: 8px; bottom: 8px; background: rgba(17,17,17,.82); color: #fff; font: 600 12px var(--body); padding: 5px 9px; border-radius: 999px; opacity: 0; transition: opacity .15s; }
.pages a.zoom:hover::after, .pages a.zoom:focus-visible::after { opacity: 1; }
@media (hover: none) { .pages a.zoom::after { opacity: 1; } }
.lb { position: fixed; inset: 0; z-index: 100; background: rgba(17,17,17,.94); display: none; align-items: center; justify-content: center; }
.lb.open { display: flex; }
.lb figure { margin: 0; max-width: min(1000px, 94vw); max-height: 92vh; display: flex; flex-direction: column; align-items: center; }
.lb img { max-height: calc(92vh - 44px); width: auto; max-width: 100%; border-radius: 4px; background: #fff; touch-action: pinch-zoom; }
.lb figcaption { color: #E9E3D8; font-size: 15px; margin-top: 10px; text-align: center; }
.lb button { position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 0; width: 48px; height: 48px; border-radius: 50%; font: 26px/48px var(--body); cursor: pointer; }
.lb button:hover, .lb button:focus-visible { background: rgba(255,255,255,.26); outline: none; }
.lb .lb-close { top: 16px; right: 16px; }
.lb .lb-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lb .lb-next { right: 16px; top: 50%; transform: translateY(-50%); }
.lb .lb-count { position: absolute; top: 26px; left: 22px; color: #CFC8BB; font-size: 14px; }
@media (max-width: 600px) { .lb .lb-prev, .lb .lb-next { top: auto; bottom: 18px; transform: none; } .lb img { max-height: calc(92vh - 110px); } }

/* shop */
.btn.ghost{background:transparent;color:var(--ink);border:2px solid var(--ink)}
.card .row{flex-wrap:wrap;gap:10px}
button.btn{cursor:pointer;font:inherit}
.socials{margin:18px 0 0;font-weight:600}
.socials a{color:inherit}
#shop-msg{color:#B3361A;font-weight:600;margin-top:12px}
.buy-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.also-row{display:flex;flex-wrap:wrap;gap:20px}
.also{display:flex;align-items:center;gap:16px;text-decoration:none;color:inherit;background:#fff;border-radius:14px;padding:14px 18px;flex:1 1 280px}
.also img{width:72px;height:auto;border-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.faq details{border-top:1px solid #D8D1C4;padding:12px 0}
.faq summary{font-weight:600;cursor:pointer}