/* =========================================================
   Roman Velychko — Health & Performance Coach
   Design system + layout. No build step, no framework.
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  --bg:#eff1f4;
  --bg-soft:#e7eaef;
  --surface:#f8f9fb;
  --surface-2:#e9ecf1;
  --line:#d8dce3;
  --line-soft:#e2e5eb;

  --ink:#2d333b;
  --text:#2d333b;
  --muted:#5d6672;
  --muted-2:#646e7d;
  --muted-soft:#7b8492;
  --on-dark:#f2f4f7;
  --on-dark-muted:#aab2bd;

  --accent:#c8ff55;
  --accent-dim:#b5ef3c;
  --accent-soft:#e9ffc4;
  --accent-ink:#2d333b;
  --danger:#c05640;

  --max:1200px;
  --gutter:24px;

  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;

  --shadow-sm:0 1px 2px rgba(45,51,59,.07);
  --shadow-md:0 16px 34px -20px rgba(45,51,59,.28);
  --shadow-lg:0 34px 70px -42px rgba(45,51,59,.34);

  --f-display:"Inter Tight","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --f-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
::selection{background:var(--accent);color:var(--ink)}

/* ---------- Typography ---------- */
.display{
  font-family:var(--f-display);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.06;
}
h1.display{font-size:clamp(36px,5.4vw,60px)}
h2.display{font-size:clamp(28px,3.8vw,44px)}
h3.display{font-size:clamp(20px,2.2vw,26px)}
.accent{color:var(--ink);background-image:linear-gradient(var(--accent),var(--accent));background-repeat:no-repeat;background-size:100% .18em;background-position:0 88%;padding:0 .04em}
.strike{text-decoration:line-through;text-decoration-color:var(--danger);text-decoration-thickness:3px}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--muted);line-height:1.6}
.small{font-size:14px;color:var(--muted)}
.tiny{font-size:12.5px;color:var(--muted-2)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink);
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent);display:block}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding:clamp(64px,9vw,120px) 0;position:relative}
.section--tight{padding:clamp(48px,6vw,80px) 0}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,56px)}
.section-head .lead{margin-top:16px}
.section-head--center{margin-inline:auto;text-align:center}
.grid{display:grid;gap:24px}
.hr{height:1px;background:var(--line-soft);border:0;margin:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-weight:700;font-size:15px;letter-spacing:.01em;text-align:center;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  will-change:transform;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 12px 26px -14px rgba(45,51,59,.45)}
.btn--primary:hover{background:var(--accent-dim)}
.btn--ghost{border-color:var(--line);background:transparent;color:var(--text)}
.btn--ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn--lg{padding:18px 34px;font-size:16.5px}
.btn--block{width:100%}
.btn__note{display:block;font-size:12.5px;color:var(--muted-2);margin-top:10px}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(239,241,244,.82);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.header.is-stuck{border-bottom-color:var(--line);background:rgba(239,241,244,.94)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em}
.brand__mark{
  width:34px;height:34px;border-radius:9px;flex:none;
  background:var(--ink);color:var(--accent);
  display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:17px;
}
.brand__name{font-size:14px;line-height:1.15;text-transform:uppercase}
.brand__name span{display:block;font-size:10.5px;font-weight:600;letter-spacing:.14em;color:var(--muted-2)}
.nav__links{display:flex;align-items:center;gap:28px}
.nav__links a{font-size:14.5px;font-weight:600;color:var(--muted);transition:color .18s var(--ease)}
.nav__links a:hover,.nav__links a.is-active{color:var(--text)}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:9px 11px}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--text);margin:3px 0;transition:.2s var(--ease)}
.mobile-menu{display:none;border-top:1px solid var(--line-soft);background:var(--bg)}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:15px 0;border-bottom:1px solid var(--line-soft);font-weight:600}
.mobile-menu .btn{margin:20px 0 24px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(56px,7vw,96px)}
.hero__glow{
  position:absolute;inset:-20% -10% auto -10%;height:620px;pointer-events:none;
  background:radial-gradient(60% 60% at 20% 18%,rgba(200,255,85,.34),transparent 70%),
             radial-gradient(45% 45% at 82% 8%,rgba(45,51,59,.07),transparent 70%);
  filter:blur(10px);
}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,64px);align-items:center;position:relative}
.hero__title{margin:20px 0 0}
.hero__sub{margin-top:22px;max-width:56ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__trust{display:flex;flex-wrap:wrap;align-items:center;gap:18px 26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line-soft)}
.trust-item{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.trust-item svg{flex:none;color:var(--ink)}
.stars{display:flex;gap:2px;color:var(--ink)}

.hero__media{position:relative}
.hero__photo{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/5;
  background:linear-gradient(160deg,#e4e7ec,#d6dae1);
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
}
.hero__photo img{width:100%;height:100%;object-fit:cover}
.photo-ph{
  width:100%;height:100%;display:grid;place-content:center;gap:8px;text-align:center;
  color:var(--muted-2);font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  background:
    linear-gradient(135deg,rgba(200,255,85,.18),transparent 55%),
    repeating-linear-gradient(45deg,#e7eaef 0 14px,#dfe3e9 14px 28px);
}
.hero__badge{
  position:absolute;left:-14px;bottom:34px;z-index:2;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--shadow-md);display:flex;gap:12px;align-items:center;
}
.hero__badge strong{font-family:var(--f-display);font-weight:800;letter-spacing:-.02em;font-size:26px;line-height:1;display:block}
.hero__badge span{font-size:12px;color:var(--muted);letter-spacing:.04em}
.hero__badge--top{bottom:auto;top:26px;left:auto;right:-14px}

/* ---------- Marquee / logos ---------- */
.marquee{border-block:1px solid var(--line-soft);background:var(--bg-soft);overflow:hidden;padding:18px 0}
.marquee__track{display:flex;gap:56px;width:max-content;animation:slide 32s linear infinite}
.marquee__track span{
  font-family:var(--f-display);font-weight:700;font-size:17px;text-transform:uppercase;
  color:var(--muted);letter-spacing:.1em;white-space:nowrap;display:flex;align-items:center;gap:56px;
}
.marquee__track span::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--muted-soft);opacity:.7}
@keyframes slide{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none}}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden}
.stat{background:var(--bg-soft);padding:28px 24px}
.stat strong{display:block;font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;font-size:clamp(30px,3.6vw,44px);line-height:1;color:var(--ink)}
.stat span{display:block;margin-top:10px;font-size:13.5px;color:var(--muted)}

/* ---------- Cards / generic ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.card--hover:hover{border-color:#c3c8d1;transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card__icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--accent);color:var(--ink);border:1px solid rgba(45,51,59,.14);
}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:15.5px}

.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Pain points ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pain{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;
}
.pain__x{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:rgba(192,86,64,.10);color:var(--danger);font-size:14px;font-weight:800}
.pain p{font-size:15.5px;color:var(--muted)}
.pain strong{color:var(--text);display:block;margin-bottom:2px;font-size:16px}

/* ---------- Method steps ---------- */
.steps{counter-reset:step;display:grid;gap:20px}
.step{
  position:relative;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;
  padding:26px 28px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
}
.step__num{
  counter-increment:step;font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;font-size:34px;line-height:1;
  color:var(--muted-soft);min-width:52px;
}
.step__num::before{content:"0" counter(step)}
.step h3{margin-bottom:8px}
.step p{color:var(--muted);font-size:15.5px}

/* ---------- Program cards ---------- */
.program{
  display:flex;flex-direction:column;position:relative;overflow:hidden;
  background:linear-gradient(180deg,#fafbfc,#f2f4f7);
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.program:hover{border-color:#c3c8d1;transform:translateY(-4px);box-shadow:var(--shadow-md)}
.program__media{aspect-ratio:16/10;background:linear-gradient(150deg,#e7eaef,#dbdfe6);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.program__media img{width:100%;height:100%;object-fit:cover}
.program__tag{
  position:absolute;top:16px;left:16px;z-index:2;
  background:var(--ink);color:var(--accent);border-radius:var(--r-pill);
  padding:6px 14px;font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
}
.program__body{padding:28px;display:flex;flex-direction:column;flex:1;gap:18px}
.program__meta{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-size:12px;font-weight:600;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 12px;background:var(--bg-soft);
}
.program__list{display:grid;gap:10px}
.program__list li{display:flex;gap:10px;font-size:15px;color:var(--muted);align-items:flex-start}
.program__list li::before{content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;background:var(--accent);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232d333b' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:12px;background-position:center;background-repeat:no-repeat}
.program__foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.price{display:flex;align-items:baseline;gap:9px}
.price strong{font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;font-size:34px;line-height:1}
.price del{color:var(--muted-2);font-size:16px}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,64px);align-items:center}
.about__photo{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:3/4;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#e4e7ec}
.about__photo img{width:100%;height:100%;object-fit:cover}
.creds{display:grid;gap:12px;margin-top:28px}
.cred{display:flex;gap:13px;align-items:flex-start;font-size:15.5px;color:var(--muted)}
.cred svg{flex:none;margin-top:3px;color:var(--ink)}
.cred b{color:var(--text)}

/* ---------- Testimonials ---------- */
.tst-grid{columns:3;column-gap:22px}
.tst{
  break-inside:avoid;margin-bottom:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
}
.tst__stars{color:var(--ink);display:flex;gap:2px;margin-bottom:14px}
.tst p{font-size:15.5px;color:#3b424c;line-height:1.62}
.tst__who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft)}
.tst__av{width:40px;height:40px;border-radius:50%;flex:none;background:linear-gradient(140deg,#e2e6ec,#d2d7df);display:grid;place-items:center;font-weight:800;font-size:14px;color:var(--muted)}
.tst__who b{display:block;font-size:14.5px}
.tst__who span{display:block;font-size:12.5px;color:var(--muted-2)}
.tst__badge{margin-left:auto;font-size:11px;color:var(--muted-2);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 10px}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin-inline:auto;display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.faq details[open]{border-color:#c3c8d1;box-shadow:var(--shadow-sm)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-weight:650;font-size:16.5px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:12px;height:12px;margin-top:-6px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232d333b' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat;
  transition:transform .22s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq__a{padding:0 24px 22px;color:var(--muted);font-size:15.5px}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--ink);color:var(--on-dark);
  border:1px solid var(--ink);padding:clamp(36px,5vw,64px);text-align:center;
}
.cta-band::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:300px;
  background:radial-gradient(50% 60% at 50% 50%,rgba(200,255,85,.20),transparent 70%);
}
.cta-band .lead,.cta-band .small,.cta-band .tiny,.cta-band .btn__note{color:var(--on-dark-muted)}
.cta-band .eyebrow{color:var(--accent)}
.cta-band .accent{color:var(--accent);background-image:none}
.cta-band .btn--ghost{border-color:rgba(255,255,255,.28);color:var(--on-dark)}
.cta-band .btn--ghost:hover{border-color:var(--accent);background:rgba(255,255,255,.06)}
.cta-band > *{position:relative;z-index:1}
.cta-band .lead{margin:16px auto 0;max-width:56ch}
.cta-band .hero__actions{justify-content:center}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--ink);background:var(--ink);color:var(--on-dark);padding:56px 0 32px}
.footer .small,.footer .tiny{color:var(--on-dark-muted)}
.footer .brand__mark{background:var(--accent);color:var(--ink)}
.footer .brand__name span{color:var(--on-dark-muted)}
.footer__top{display:grid;grid-template-columns:1.4fr .8fr .8fr .9fr;gap:36px}
.footer h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark-muted);margin-bottom:16px}
.footer a{color:var(--on-dark-muted);font-size:14.5px;display:block;padding:6px 0;transition:color .18s var(--ease)}
.footer a:hover{color:var(--accent)}
.footer__bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;padding:0;color:var(--on-dark-muted)}
.socials a:hover{border-color:var(--accent);color:var(--accent)}

/* =========================================================
   Program (sales) page
   ========================================================= */
.ph{padding-top:clamp(40px,5vw,64px);padding-bottom:clamp(40px,5vw,64px);position:relative;overflow:hidden}
.ph__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,60px);align-items:center;position:relative}
.crumbs{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted-2);margin-bottom:22px}
.crumbs a:hover{color:var(--ink)}
.ph__bullets{display:grid;gap:12px;margin-top:26px}
.ph__bullets li{display:flex;gap:11px;font-size:16px;align-items:flex-start;color:#3b424c}
.ph__bullets svg{flex:none;margin-top:4px;color:var(--ink)}

.buybox{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-lg);
}
.buybox__price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.buybox__price strong{font-family:var(--f-display);font-weight:800;letter-spacing:-.035em;font-size:52px;line-height:1}
.buybox__price del{color:var(--muted-2);font-size:20px}
.buybox__price .save{background:var(--accent);color:var(--ink);border-radius:var(--r-pill);padding:5px 12px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.buybox ul{display:grid;gap:10px;margin:22px 0}
.buybox li{display:flex;gap:10px;font-size:15px;color:var(--muted);align-items:flex-start}
.buybox li svg{flex:none;margin-top:3px;color:var(--ink)}
.guarantee{display:flex;gap:14px;align-items:flex-start;margin-top:22px;padding-top:20px;border-top:1px solid var(--line-soft)}
.guarantee svg{flex:none;color:var(--ink);margin-top:2px}
.guarantee p{font-size:13.5px;color:var(--muted)}

.modules{display:grid;gap:14px}
.module{
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 26px;
}
.module__n{font-family:var(--f-display);font-weight:800;font-size:13px;letter-spacing:.1em;color:var(--accent);background:var(--ink);border-radius:8px;padding:6px 10px;min-width:64px;text-align:center}
.module h3{font-size:19px;font-family:var(--f-body);font-weight:700;text-transform:none;letter-spacing:0;margin-bottom:6px}
.module p{color:var(--muted);font-size:15px}

.fit{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.fit__col{border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;background:var(--surface)}
.fit__col--no{background:var(--bg-soft)}
.fit__col h3{margin-bottom:18px;font-size:20px;font-family:var(--f-body);font-weight:800;text-transform:none;letter-spacing:0}
.fit__col li{display:flex;gap:12px;font-size:15.5px;color:var(--muted);padding:9px 0;align-items:flex-start}
.fit__col li svg{flex:none;margin-top:3px}
.fit__col--yes li svg{color:var(--ink)}
.fit__col--no li svg{color:var(--danger)}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.shot{aspect-ratio:9/16;border-radius:var(--r-md);border:1px solid var(--line);overflow:hidden;background:#e4e7ec}
.shot img{width:100%;height:100%;object-fit:cover}

/* sticky mobile buy bar */
.buybar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  gap:14px;align-items:center;justify-content:space-between;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(239,241,244,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);box-shadow:0 -10px 30px -22px rgba(45,51,59,.5);
  transform:translateY(110%);transition:transform .3s var(--ease);
}
.buybar.is-visible{transform:translateY(0)}
.buybar__price strong{font-family:var(--f-display);font-weight:800;letter-spacing:-.02em;font-size:24px;line-height:1;display:block}
.buybar__price span{font-size:11.5px;color:var(--muted-2)}

/* ---------- Reveal on scroll ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero__inner,.ph__inner,.about{grid-template-columns:1fr}
  .hero__media,.about__photo{max-width:520px;margin-inline:auto;width:100%}
  .about{gap:36px}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .tst-grid{columns:2}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav__links{display:none}
  .nav__cta .btn{display:none}
  .nav__toggle{display:block}
  .stats{grid-template-columns:1fr}
  .cols-3,.cols-2{grid-template-columns:1fr}
  .pain-grid,.fit{grid-template-columns:1fr}
  .buybar{display:flex}
  body.has-buybar{padding-bottom:76px}
}
@media (max-width:620px){
  body{font-size:16px}
  .tst-grid{columns:1}
  .gallery{grid-template-columns:repeat(2,1fr)}
  /* mobile: keep both badges on the bottom edge so they never cover the face */
  .hero__badge{left:10px;right:auto;top:auto;bottom:10px;padding:9px 12px;max-width:44%}
  .hero__badge strong{font-size:20px}
  .hero__badge span{font-size:10.5px;letter-spacing:.02em;line-height:1.3}
  .hero__badge--top{left:auto;right:10px;top:auto;bottom:10px;text-align:right}
  .step{grid-template-columns:1fr;gap:8px}
  .btn{width:100%}
  .hero__actions .btn{width:100%}
  .buybar .btn{width:auto}
}

/* ---------- Placeholder notice (delete once real content is in) ---------- */
.notice{
  display:flex;gap:10px;align-items:flex-start;
  background:rgba(192,86,64,.06);border:1px dashed rgba(192,86,64,.38);
  border-radius:var(--r-md);padding:14px 18px;margin-bottom:26px;
  font-size:14px;color:var(--muted);
}
.notice strong{color:var(--danger)}

/* stars render as text glyphs */
.tst__stars,.stars{letter-spacing:2px;font-size:14px}

/* equipment strip */
.strip{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#e4e7ec}
.strip img{width:100%;height:auto;display:block}

/* ---------- Review proof: screenshots, sources, disclosure ---------- */
.tst--shot{padding:14px 14px 4px}
.tst__shot{display:block;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.tst__shot img{display:block;width:100%;height:auto}
.tst__shot--empty{
  display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:8px;
  min-height:260px;padding:24px;
  border:1px dashed var(--line);border-radius:12px;background:var(--surface-2);
  font-size:13px;color:var(--muted);line-height:1.5;
}
.tst__shot--empty b{display:block;font-size:14px;color:var(--ink)}
.tst__shot--empty code{font-size:12px;color:var(--muted-2)}
.tst__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.tst__head .tst__stars{margin-bottom:0}
.tst__cap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 0 10px;font-size:12.5px;color:var(--muted-2)}
.tst__src{
  display:inline-flex;align-items:center;gap:6px;flex:none;
  font-size:11.5px;font-weight:700;letter-spacing:.02em;color:var(--ink);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 10px;background:var(--surface);
}
.tst__src::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--muted-soft)}
.tst__src--verified::before{background:var(--accent-dim)}
.proof-note{
  margin:26px auto 0;max-width:760px;text-align:center;
  font-size:13px;line-height:1.6;color:var(--muted);
}
.proof-note a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}

/* =========================================================
   Sitting load calculator
   ========================================================= */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

.calc{
  display:grid;grid-template-columns:1fr 1.02fr;gap:clamp(24px,3.4vw,44px);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(22px,3vw,38px);box-shadow:var(--shadow-md);
}
.calc__controls{display:grid;gap:clamp(20px,2.4vw,28px);align-content:start}
.calc__field label{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:14.5px;font-weight:600;color:var(--ink);margin-bottom:14px;
}
.calc__val{
  font-family:var(--f-display);font-weight:800;font-size:19px;letter-spacing:-.02em;
  color:var(--ink);background:var(--accent);border-radius:var(--r-pill);
  padding:3px 13px;white-space:nowrap;flex:none;
}
.calc__scale{display:flex;justify-content:space-between;margin-top:9px;font-size:12px;color:var(--muted-2)}

.calc input[type=range]{
  -webkit-appearance:none;appearance:none;display:block;width:100%;height:8px;margin:0;
  border-radius:var(--r-pill);background:var(--surface-2);border:1px solid var(--line);cursor:pointer;
}
.calc input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:26px;height:26px;border-radius:50%;
  background:var(--accent);border:2px solid var(--ink);box-shadow:var(--shadow-sm);
  transition:transform .15s var(--ease);
}
.calc input[type=range]::-moz-range-thumb{
  width:22px;height:22px;border-radius:50%;
  background:var(--accent);border:2px solid var(--ink);box-shadow:var(--shadow-sm);
}
.calc input[type=range]:active::-webkit-slider-thumb{transform:scale(1.09)}
.calc input[type=range]:focus-visible{outline:2px solid var(--ink);outline-offset:6px}

.calc__out{
  position:relative;overflow:hidden;display:flex;flex-direction:column;
  background:var(--ink);color:var(--on-dark);border-radius:var(--r-md);
  padding:clamp(24px,2.6vw,32px);
}
.calc__out::after{
  content:"";position:absolute;inset:auto -20% -70% -20%;height:280px;
  background:radial-gradient(50% 60% at 50% 50%,rgba(200,255,85,.18),transparent 70%);
}
.calc__out > *{position:relative;z-index:1}
.calc__lbl{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700}
.calc__big{
  font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;line-height:1;
  font-size:clamp(44px,6vw,68px);margin:14px 0 0;
}
.calc__big span{color:var(--accent)}
.calc__cap{margin-top:12px;font-size:15px;color:var(--on-dark-muted);line-height:1.55}

.calc__meter{margin-top:26px}
.calc__bar{height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.13);overflow:hidden}
.calc__fill{height:100%;width:0;border-radius:var(--r-pill);background:var(--accent);transition:width .45s var(--ease)}
.calc__bands{display:flex;justify-content:space-between;gap:6px;margin-top:9px;font-size:11.5px;color:var(--on-dark-muted)}
.calc__bands span.is-on{color:var(--accent);font-weight:700}

.calc__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:26px}
.calc__stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);border-radius:12px;padding:14px 13px}
.calc__stat b{display:block;font-family:var(--f-display);font-weight:800;font-size:21px;letter-spacing:-.02em;line-height:1.1}
.calc__stat span{display:block;margin-top:6px;font-size:11.5px;line-height:1.35;color:var(--on-dark-muted)}

.calc__verdict{
  margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:14.5px;line-height:1.6;color:var(--on-dark-muted);
}
.calc__verdict b{color:var(--on-dark)}
.calc__cta{margin-top:18px}
.calc__cta .btn{width:100%}

.calc-note{margin:20px auto 0;max-width:760px;text-align:center;font-size:13px;line-height:1.6;color:var(--muted)}

@media (max-width:900px){.calc{grid-template-columns:1fr}}
@media (max-width:520px){
  .calc__stats{grid-template-columns:1fr 1fr}
  .calc__stat:last-child{grid-column:1/-1}
}
@media (prefers-reduced-motion:reduce){.calc__fill{transition:none}}

.calc__ref{border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-soft);padding:16px 16px 14px}
.calc__ref > span{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:700}
.calc__ref ul{margin-top:12px;display:grid;gap:2px}
.calc__ref li{
  display:flex;gap:12px;align-items:baseline;padding:7px 9px;border-radius:9px;
  font-size:13.5px;line-height:1.4;color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.calc__ref li b{flex:none;width:82px;font-family:var(--f-display);font-weight:800;font-size:13.5px;color:var(--ink)}
.calc__ref li.is-on{background:var(--accent-soft);color:var(--ink)}