/* 8 Steps to Maths Success — layout concept: a quiet, light "ascent". Pages climb in steps; the rising staircase and sprig divider from the cover recur as the signature. */
:root{
  --bg:#F5F6F8;            /* page ground: cool paper grey */
  --surface:#FFFFFF;       /* cards, header */
  --surface-2:#ECEFF3;     /* stair risers, icon wells */
  --ink:#1F2A3A;           /* cover navy: headings, buttons */
  --text:#2E3846;          /* running text */
  --muted:#586271;         /* labels, captions */
  --line:#DFE3E9;          /* hairlines */
  --glow:#FFF5E1;          /* the light at the top of the stairs */
  --gold:#9A7440;          /* sprig and small highlights only */
  --band:#1F2A3A;          /* navy bands */
  --band-text:#D9DFE7;
  --band-muted:#AEB8C6;
  --btn-bg:#1F2A3A; --btn-fg:#FFFFFF; --btn-hover:#0F1722;
  --field:#FFFFFF; --field-line:#AAB3BF;
  --shadow:rgba(31,42,58,.32);
  --serif:'Cormorant Garamond','Cormorant',Garamond,'Times New Roman',serif;
  --sans:'Nunito Sans','Segoe UI',system-ui,-apple-system,sans-serif;
  --pad:clamp(16px,5vw,80px);
  --section:clamp(64px,8vw,112px);
  --max:1280px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#101722; --surface:#172131; --surface-2:#1F2B3D; --ink:#EEF1F5; --text:#D5DBE4; --muted:#9DA8B8; --line:#2A3649;
  --glow:#2A2A2A; --gold:#D2AE78; --band:#0A0F17; --band-text:#D5DBE4; --band-muted:#9DA8B8;
  --btn-bg:#EEF1F5; --btn-fg:#132033; --btn-hover:#FFFFFF; --field:#132033; --field-line:#44536A; --shadow:rgba(0,0,0,.6);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#101722; --surface:#172131; --surface-2:#1F2B3D; --ink:#EEF1F5; --text:#D5DBE4; --muted:#9DA8B8; --line:#2A3649;
  --glow:#2A2A2A; --gold:#D2AE78; --band:#0A0F17; --band-text:#D5DBE4; --band-muted:#9DA8B8;
  --btn-bg:#EEF1F5; --btn-fg:#132033; --btn-hover:#FFFFFF; --field:#132033; --field-line:#44536A; --shadow:rgba(0,0,0,.6);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--ink);text-underline-offset:4px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;color:var(--ink);margin:0;line-height:1.08;text-wrap:balance}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:3px solid #6F8BB5;outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--btn-bg);color:var(--btn-fg);padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:16px}

.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:var(--section)}
.alt{background:var(--surface)}
.eyebrow{font-size:12.5px;letter-spacing:.24em;font-weight:700;color:var(--muted);text-transform:uppercase}
.h1{font-size:clamp(44px,6.2vw,80px);line-height:1.02}
.h2{font-size:clamp(36px,4.6vw,58px)}
.h3{font-size:clamp(26px,2.6vw,34px);font-weight:600}
.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.65;color:var(--text);max-width:62ch}
.muted{color:var(--muted)}
.small{font-size:14px}
.stack{display:flex;flex-direction:column;gap:18px}
.stack-lg{display:flex;flex-direction:column;gap:28px}
.row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.center{text-align:center;align-items:center;margin-inline:auto}
.measure{max-width:62ch}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 28px;border-radius:999px;font:700 15.5px/1 var(--sans);letter-spacing:.04em;text-decoration:none;border:1.5px solid var(--btn-bg);cursor:pointer;transition:background .2s,color .2s,transform .2s,box-shadow .2s}
.btn-solid{background:var(--btn-bg);color:var(--btn-fg)}
.btn-solid:hover{background:var(--btn-hover);transform:translateY(-1px);box-shadow:0 10px 22px -12px var(--shadow)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--bg)}
.band .btn-solid{background:#FFFFFF;color:#1F2A3A;border-color:#FFFFFF}
.band .btn-line{color:#FFFFFF;border-color:#FFFFFF}
.band .btn-line:hover{background:#FFFFFF;color:#1F2A3A}
.link{font-weight:700;font-size:15px;color:var(--ink)}
.link::after{content:" \2192"}

.sprig{display:flex;align-items:center;gap:14px;width:min(340px,100%);color:var(--gold)}
.sprig::before,.sprig::after{content:"";flex:1;height:1px;background:var(--line)}
.sprig.center{margin-inline:auto}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex:none}
.logo .eight{font-family:var(--serif);font-size:50px;font-weight:500;line-height:1}
.logo .words{display:flex;flex-direction:column;line-height:1.1}
.logo .sm{font-size:10px;letter-spacing:.3em;font-weight:700}
.logo .lg{font-family:var(--serif);font-size:23px;letter-spacing:.16em;font-weight:600}
.nav{display:flex;align-items:center;gap:24px;font-weight:600;font-size:15px;white-space:nowrap}
.nav a{text-decoration:none;color:var(--text);padding:6px 0;border-bottom:2px solid transparent}
.nav a:not(.btn):hover{color:var(--ink);border-bottom-color:var(--line)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--gold)}
.nav .btn{min-height:44px;padding:0 22px;color:var(--btn-fg);border-bottom:1.5px solid var(--btn-bg)}
.nav a.btn[aria-current="page"]{color:var(--btn-fg);border-bottom-color:var(--btn-bg)}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;padding:0;cursor:pointer;align-items:center;justify-content:center;color:var(--ink)}

/* Page hero (inner pages) */
.page-hero{background:radial-gradient(ellipse 700px 420px at 85% 100%,var(--glow) 0%,transparent 70%),var(--bg);border-bottom:1px solid var(--line)}
.page-hero .wrap{padding-block:clamp(56px,7vw,96px);display:flex;flex-direction:column;gap:22px}
.page-hero .wrap.grid2{display:grid}
.crumbs{font-size:14px;color:var(--muted)}
.crumbs a{color:var(--muted)}

/* Home hero */
.hero{background:radial-gradient(ellipse 620px 520px at 76% 58%,var(--glow) 0%,transparent 70%),var(--bg)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-block:clamp(48px,7vw,96px)}
.hero-copy{display:flex;flex-direction:column;gap:24px;min-width:0}
.byline{font-size:13.5px;letter-spacing:.3em;color:var(--ink);font-weight:600}
.book{display:flex;flex-direction:column;align-items:center;min-width:0}
.book img{width:min(390px,76vw);max-width:100%;aspect-ratio:700/1016;object-fit:cover;border-radius:4px 10px 10px 4px;box-shadow:0 2px 4px rgba(31,42,58,.08),0 30px 60px -18px var(--shadow),-6px 0 0 0 var(--surface-2);animation:rise 1.1s cubic-bezier(.2,.7,.2,1) both;transition:transform .5s ease}
.book img:hover{transform:translateY(-6px) rotate(-.6deg)}
.plinth{width:min(500px,92%);height:15px;margin-top:6px;background:var(--surface);border:1px solid var(--line);border-radius:3px;box-shadow:0 10px 24px -14px var(--shadow)}
.plinth+.plinth{width:min(580px,100%);margin-top:0;border-top:0;border-radius:0 0 3px 3px;box-shadow:none;opacity:.8}
@keyframes rise{from{transform:translateY(18px)}to{transform:none}}

/* Bands */
.band{background:var(--band);color:var(--band-text)}
.band h1,.band h2,.band h3{color:#FFFFFF}
.band .eyebrow{color:var(--band-muted)}
.quote{margin:0;font-family:var(--serif);font-style:italic;font-weight:500;font-size:clamp(30px,4vw,50px);line-height:1.18;color:#FFFFFF;max-width:30ch;text-wrap:balance}
.sig{font-size:13.5px;letter-spacing:.3em;font-weight:600;color:#FFFFFF}

/* Section heads */
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:56px;flex-wrap:wrap}
.head>div{display:flex;flex-direction:column;gap:14px;min-width:0}
.head .lead{max-width:50ch}
.head.center{flex-direction:column;align-items:center;text-align:center}

/* Staircase */
.stair{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:12px;align-items:end;list-style:none;margin:0;padding:0}
.stair li{display:flex;flex-direction:column}
.stair a{text-decoration:none;color:inherit;display:block}
.stair .card{padding:22px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px 12px 0 0;display:flex;flex-direction:column;gap:10px;transition:transform .25s,box-shadow .25s}
.stair li:hover .card{transform:translateY(-6px);box-shadow:0 18px 30px -18px var(--shadow)}
.stair .num{font-family:var(--serif);font-size:44px;line-height:1;color:var(--ink)}
.stair h3{font-family:var(--sans);font-size:15.5px;font-weight:700;line-height:1.3}
.stair p{font-size:14px;line-height:1.5;color:var(--muted)}
.stair .riser{background:var(--surface-2);height:calc(var(--i) * 38px - 8px)}
.stair li.top .card{background:var(--btn-bg);border-color:var(--btn-bg)}
.stair li.top .num,.stair li.top h3{color:var(--btn-fg)}
.stair li.top p{color:var(--btn-fg);opacity:.82}
.stair svg,.ico{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;color:var(--ink)}
.stair li.top svg{color:var(--btn-fg)}

/* Grids & panels */
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid2>*,.grid3>*,.grid4>*{min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(26px,3vw,40px);display:flex;flex-direction:column;gap:16px}
.alt .panel{background:var(--bg)}
.panel p{color:var(--text)}
.panel.dark{background:var(--btn-bg);border-color:var(--btn-bg)}
.panel.dark h3,.panel.dark .link,.panel.dark .price{color:var(--btn-fg)}
.panel.dark p,.panel.dark .tag{color:var(--btn-fg);opacity:.85}
.well{width:54px;height:54px;border-radius:999px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;flex:none}
.alt .well{background:var(--surface-2)}
.tagrow{display:flex;justify-content:space-between;align-items:center;gap:12px}
.tag{font-size:12px;letter-spacing:.2em;font-weight:700;color:var(--muted);text-transform:uppercase}
.price{font-weight:700;color:var(--ink);font-size:15px}
.panel .link{margin-top:auto;padding-top:6px}
.lift{transition:transform .25s,box-shadow .25s}
.lift:hover{transform:translateY(-4px);box-shadow:0 22px 40px -26px var(--shadow)}

/* Lists */
.ticks{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start}
.ticks li::before{flex:none;content:"";width:18px;height:18px;margin-top:4px;border-radius:999px;border:1.5px solid var(--gold);background:radial-gradient(circle,var(--gold) 0 3px,transparent 3.5px)}
.num-list{list-style:none;padding:0;counter-reset:n;display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.num-list li{counter-increment:n;display:grid;grid-template-columns:64px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.num-list li::before{content:counter(n);font-family:var(--serif);font-size:40px;line-height:1;color:var(--ink)}
.num-list h3{font-family:var(--sans);font-size:17px;font-weight:700;margin-bottom:4px}

/* Weeks table */
.weeks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:w}
.week{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:8px}
.week .wk{font-size:12px;letter-spacing:.2em;font-weight:700;color:var(--gold);text-transform:uppercase}
.week h3{font-family:var(--sans);font-size:17px;font-weight:700}
.week p{font-size:15px;color:var(--muted);line-height:1.55}

/* Steps detail page */
.steps-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:64px;align-items:start}
.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 100px);display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line)}
.toc a{display:grid;grid-template-columns:28px 1fr;gap:6px;padding:8px 14px;text-decoration:none;color:var(--muted);font-size:15px;font-weight:600;margin-left:-1px;border-left:2px solid transparent}
.toc a span{font-family:var(--serif);font-size:20px;line-height:1.1;color:var(--ink)}
.toc a:hover,.toc a.on{color:var(--ink);border-left-color:var(--gold)}
.step{display:flex;flex-direction:column;gap:22px;padding-block:56px;border-bottom:1px solid var(--line);scroll-margin-top:100px}
.step:first-child{padding-top:0}
.step-top{display:flex;gap:24px;align-items:flex-end}
.step-num{font-family:var(--serif);font-size:clamp(84px,9vw,120px);line-height:.8;color:var(--ink);flex:none}
.try{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px 26px;display:flex;flex-direction:column;gap:8px}
.try .tag{color:var(--gold)}
.roles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.roles>div{border-top:2px solid var(--ink);padding-top:12px;display:flex;flex-direction:column;gap:6px;min-width:0}
.roles h4{font-family:var(--sans);font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:700}
.roles p{font-size:15.5px;color:var(--text);line-height:1.55}

/* Myth cards */
.myths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.myth{appearance:none;text-align:left;font:inherit;color:inherit;cursor:pointer;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px 24px;display:grid;grid-template-columns:40px 1fr;gap:6px 14px;min-height:124px;transition:border-color .2s,box-shadow .2s}
.myth:hover{border-color:var(--ink);box-shadow:0 14px 28px -20px var(--shadow)}
.myth .n{font-family:var(--serif);font-size:34px;line-height:1;color:var(--ink);grid-row:span 3}
.myth .said{font-family:var(--serif);font-size:23px;line-height:1.25;color:var(--ink);font-style:italic}
.myth .flip{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.myth .truth{display:none;font-size:16px;color:var(--text)}
.myth .truth b{color:var(--ink)}
.myth[aria-pressed="true"]{border-color:var(--gold);background:linear-gradient(var(--surface),var(--surface)) padding-box}
.myth[aria-pressed="true"] .said{text-decoration:line-through;text-decoration-color:var(--gold);opacity:.7;font-size:19px}
.myth[aria-pressed="true"] .truth{display:block}
.myth[aria-pressed="true"] .flip{display:none}

/* Breathing */
.breathe{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.orb-wrap{display:flex;flex-direction:column;align-items:center;gap:22px}
.orb{width:min(300px,70vw);aspect-ratio:1;max-width:100%;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;background:radial-gradient(circle at 50% 45%,var(--glow),var(--surface) 70%);border:1px solid var(--line);transform:scale(.72);transition:transform 4s ease-in-out;box-shadow:0 30px 60px -30px var(--shadow)}
.orb.in{transform:scale(1)}
.orb .phase{font-family:var(--serif);font-size:34px;color:var(--ink)}
.orb .count{font-size:15px;color:var(--muted);font-variant-numeric:tabular-nums}

/* Reframe table */
.reframe{width:100%;border-collapse:collapse;font-size:16px}
.reframe th{text-align:left;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);padding:12px 16px;border-bottom:1px solid var(--line)}
.reframe td{padding:16px;border-bottom:1px solid var(--line);vertical-align:top}
.reframe td:first-child{font-family:var(--serif);font-style:italic;font-size:20px;color:var(--muted)}
.reframe td:last-child{font-family:var(--serif);font-size:20px;color:var(--ink)}
.table-scroll{overflow-x:auto}

.price-table td,.price-table td:first-child,.price-table td:last-child{font-family:var(--sans);font-style:normal;font-size:16px;color:var(--text)}
.price-table td:first-child{color:var(--ink);font-weight:600}
.price-table td:last-child{font-weight:800;color:var(--ink);white-space:nowrap}
.price-table tr:hover td{background:var(--surface)}

/* FAQ */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:22px 44px 22px 0;position:relative;font-weight:700;color:var(--ink);font-size:18px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-family:var(--serif);font-size:34px;font-weight:400;color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 22px;max-width:70ch;color:var(--text)}

/* Forms */
.form{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;min-width:0}
.field label{font-size:14px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;min-height:52px;padding:12px 18px;border:1.5px solid var(--field-line);border-radius:12px;font:16px var(--sans);color:var(--text);background:var(--field)}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px color-mix(in srgb,var(--ink) 15%,transparent)}
.pill-form{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;justify-content:center}
.pill-form .field{width:min(380px,100%)}
.pill-form input{border-radius:999px;padding-inline:22px}
.status{font-weight:700;color:var(--ink);min-height:1.6em}
.status.err{color:#B3261E}
:root[data-theme="dark"] .status.err{color:#F2B8B5}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .status.err{color:#F2B8B5}}
.note{font-size:13.5px;color:var(--muted)}
.copy{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.copy code{font-family:var(--sans);font-weight:700;color:var(--ink);font-size:17px;user-select:all;word-break:break-all}
.copy button{font:700 13px var(--sans);letter-spacing:.06em;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:8px 14px;cursor:pointer;min-height:36px}
.copy button:hover{border-color:var(--ink)}

/* Portrait placeholder */
.portrait{min-height:480px;border-radius:16px;background:var(--surface-2);border:1px dashed var(--field-line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--muted);font-weight:600;font-size:15px;text-align:center;padding:24px}

/* CTA band */
.cta{display:grid;grid-template-columns:minmax(0,1.3fr) auto;gap:32px;align-items:center}

/* Footer */
footer{background:var(--band);color:var(--band-text);padding-block:64px 40px}
footer .top{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}
footer .logo{color:#FFFFFF}
footer h4{font-family:var(--sans);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--band-muted);margin-bottom:14px;font-weight:700}
footer ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}
footer a{color:var(--band-text);text-decoration:none;font-size:15px}
footer a:hover{color:#FFFFFF;text-decoration:underline}
footer .fine{border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--band-muted)}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

@media (max-width:1180px){
  .stair{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:16px}
  .stair .riser{display:none}
  .stair .card{border-radius:12px;height:100%}
  .stair li,.stair a{height:100%}
  .weeks{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1240px){
  .menu-btn{display:flex}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--surface);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad) 24px;border-bottom:1px solid var(--line);box-shadow:0 24px 30px -24px var(--shadow)}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .nav a[aria-current="page"]{border-bottom-color:var(--line);color:var(--ink);box-shadow:inset 3px 0 0 var(--gold);padding-left:12px}
  .nav .btn{margin-top:16px}
  .hero .wrap{grid-template-columns:1fr;gap:44px}
  .grid3,.grid2,.breathe,.cta{grid-template-columns:1fr}
  .steps-layout{grid-template-columns:1fr;gap:24px}
  .toc{position:static;flex-direction:row;flex-wrap:wrap;border-left:0;gap:8px}
  .toc a{border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin:0;grid-template-columns:auto auto;background:var(--surface)}
  .toc a.on{border-color:var(--gold)}
  .roles{grid-template-columns:1fr}
  .myths{grid-template-columns:1fr}
  footer .top{grid-template-columns:1fr 1fr}
  .portrait{min-height:340px}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .stair{grid-template-columns:1fr;gap:10px}
  .stair .card{flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px 14px;margin-left:calc((var(--i) - 1) * 6px)}
  .stair svg{display:none}
  .stair .num{font-size:36px;width:26px}
  .stair h3{flex:1}
  .stair p{flex-basis:100%;padding-left:40px}
  .weeks,.grid4{grid-template-columns:1fr}
  .row .btn{flex:1 1 100%}
  .pill-form{flex-direction:column;align-items:stretch}
  .pill-form .field{width:100%}
  .step-top{flex-direction:column;align-items:flex-start;gap:8px}
  .num-list li{grid-template-columns:44px 1fr}
  .num-list li::before{font-size:32px}
  footer .top{grid-template-columns:1fr}
  .logo .eight{font-size:42px}.logo .lg{font-size:17px}
  .site-header .wrap{height:68px}
  .nav{top:68px}
}

/* Author portrait and story */
.photo{margin:0;border-radius:18px;overflow:hidden;aspect-ratio:4/5;max-width:100%;background:var(--surface-2);box-shadow:0 30px 60px -30px var(--shadow)}
.photo img{width:100%;height:100%;object-fit:cover;display:block}
.photo-wrap{position:relative;max-width:460px;width:100%;justify-self:center}
.photo-wrap::before{content:"";position:absolute;inset:auto -18px -18px auto;width:62%;height:62%;border-radius:18px;background:var(--glow);z-index:-1}
.photo-cap{margin-top:14px;font-size:14px;color:var(--muted)}
.story{display:flex;flex-direction:column;gap:20px;font-size:18px;line-height:1.75;max-width:64ch}
.story .open{font-family:var(--serif);font-size:clamp(26px,2.6vw,32px);line-height:1.3;color:var(--ink);font-style:italic}
.story .sign{font-family:var(--serif);font-style:italic;font-size:24px;color:var(--ink)}
.journey{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;align-items:end}
.journey li{background:var(--surface);border:1px solid var(--line);border-radius:14px 14px 4px 4px;padding:18px 16px;display:flex;flex-direction:column;gap:6px}
.journey li:nth-child(1){min-height:150px}.journey li:nth-child(2){min-height:180px}.journey li:nth-child(3){min-height:210px}.journey li:nth-child(4){min-height:240px}.journey li:nth-child(5){min-height:270px;background:var(--band);border-color:var(--band)}
.journey li:nth-child(5) h3,.journey li:nth-child(5) p{color:var(--band-text)}
.journey .where{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--gold)}
.journey h3{font-family:var(--sans);font-size:16px;font-weight:700;color:var(--ink);line-height:1.3}
.journey p{font-size:14.5px;color:var(--muted);line-height:1.5}
@media (max-width:900px){.journey{grid-template-columns:1fr}.journey li{min-height:0!important}}
.sticky-h{position:sticky;top:110px}
@media (max-width:900px){.sticky-h{position:static}}

/* Legal pages */
.legal{max-width:72ch;font-size:17px;line-height:1.75;display:flex;flex-direction:column;gap:14px}
.legal h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,2.6vw,32px);margin-top:22px}
.legal ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.legal-contact{margin-top:30px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
/* Prices */
.more-prices{margin-top:24px;border-top:1px solid var(--line)}
.more-prices summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;padding:18px 0;font-weight:700;color:var(--ink)}
.more-prices summary::-webkit-details-marker{display:none}
.more-prices summary::before{content:"+";display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);font-size:18px;line-height:1;transition:transform .2s}
.more-prices[open] summary::before{transform:rotate(45deg)}
.price-table tr.grp th{text-align:left;font-family:var(--serif);font-size:20px;font-weight:600;color:var(--ink);padding-top:22px;text-transform:none;letter-spacing:0}
/* WhatsApp button */
.wa-float{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;display:inline-flex;align-items:center;gap:10px;background:#1F8F4E;color:#FFFFFF;text-decoration:none;font-weight:700;font-size:15px;padding:12px 18px 12px 14px;border-radius:999px;box-shadow:0 14px 30px -10px rgba(0,0,0,.45);transition:transform .15s,background .15s}
.wa-float:hover{background:#17743F;transform:translateY(-2px)}
.wa-float svg{width:24px;height:24px;flex:none}
@media (max-width:600px){.wa-float{padding:13px}.wa-float span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}}

/* Demo version */
.demo-bar{background:var(--glow);color:var(--ink);font-size:14px;padding:8px var(--pad);display:flex;gap:8px 18px;align-items:center;justify-content:center;flex-wrap:wrap;text-align:center;border-bottom:1px solid var(--line)}
.demo-bar b{font-weight:800}
.demo-bar a{color:var(--ink);font-weight:700}
.demo-bar button{font:800 13px var(--sans);background:var(--btn-bg);color:var(--btn-fg);border:0;border-radius:999px;padding:6px 14px;cursor:pointer}
.demo-tasks{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px;font-size:16px}
.fb-scrim{position:fixed;inset:0;background:rgba(15,23,34,.6);z-index:200;display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px 24px;overflow-y:auto}
.fb-modal{background:var(--surface);color:var(--text);border-radius:18px;width:100%;max-width:520px;padding:26px;display:flex;flex-direction:column;gap:16px;box-shadow:0 30px 60px var(--shadow)}
.fb-modal h2{font-family:var(--serif);font-weight:500;font-size:34px}
.fb-modal .x{margin-left:auto;background:none;border:0;font-size:26px;line-height:1;color:var(--ink);cursor:pointer;padding:4px 8px}
.fb-stars{display:flex;gap:6px}
.fb-stars button{width:46px;height:46px;border-radius:10px;border:1.5px solid var(--line);background:var(--surface);font-size:22px;color:var(--muted);cursor:pointer}
.fb-stars button[aria-pressed="true"],.fb-stars button.on{background:var(--glow);border-color:var(--gold);color:var(--gold)}
.fb-modal textarea,.fb-modal input[type=text],.fb-modal select{width:100%;font:inherit;font-size:16px;padding:11px 13px;border-radius:10px;border:1.5px solid var(--field-line);background:var(--field);color:var(--text)}
.fb-modal label{font-weight:700;color:var(--ink);font-size:14px}
.fb-err{color:#A03A3A;font-weight:700;font-size:14px}