/* =============================================================
   ScienceBuilt Coaching - shared stylesheet (multi-page)
   Rebrand in ONE place: edit the CSS variables in :root below.
   ============================================================= */
:root{
  --bg:#FAFAF8; --bg-white:#FFFFFF; --ink:#141204; --ink-soft:#555149;
  --accent:#4E0404; --accent-dark:#3A0303; --accent-2:#989FCE; --accent-2-deep:#3C4488;
  --accent-2-tint:#EDEEF7; --border:#ECECEC; --dark:#141204; --dark-text:#EDECE6; --dark-muted:#B9B6AC;
  --fat:#d9b44a;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --fs-body:1.0625rem; --maxw:1180px; --radius:10px; --radius-lg:16px;
  --shadow:0 1px 3px rgba(20,18,4,.06),0 8px 30px rgba(20,18,4,.05);
  --shadow-lift:0 10px 40px rgba(20,18,4,.10); --header-h:68px; --pad-y:6.5rem;
}
*,*::before,*::after{box-sizing:border-box} *{margin:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h);-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:var(--fs-body);line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block;height:auto} a{color:inherit;text-decoration:none} button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{line-height:1.12;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.5rem)} h2{font-size:clamp(1.7rem,3.6vw,2.6rem)} h3{font-size:clamp(1.2rem,2vw,1.45rem);font-weight:700}
p{color:var(--ink-soft)} :focus-visible{outline:3px solid var(--accent-2);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:1.25rem}
.section{padding-block:var(--pad-y)} .section--tight{padding-block:4rem} .center{text-align:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent-2-deep);background:var(--accent-2-tint);padding:.4rem .85rem;border-radius:30px}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink-soft);max-width:60ch}
.section-head{max-width:56ch;margin-inline:auto;margin-bottom:3rem} .section-head.center{text-align:center}
.section-head h2{margin-top:1rem} .section-head p{margin-top:1rem}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;padding:.9rem 1.6rem;border-radius:var(--radius);border:2px solid transparent;transition:transform .15s,background .15s,box-shadow .15s;white-space:nowrap}
.btn:active{transform:translateY(1px) scale(.99)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(78,4,4,.22)} .btn--primary:hover{background:var(--accent-dark);box-shadow:0 8px 24px rgba(78,4,4,.3)}
.btn--ghost{background:transparent;color:var(--accent-2-deep);border-color:var(--accent-2)} .btn--ghost:hover{background:var(--accent-2-tint)}
.btn--lg{padding:1.05rem 2rem;font-size:1.08rem} .btn--block{width:100%;justify-content:center}
/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,250,248,.82);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 1px 0 rgba(20,18,4,.03)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.15rem;letter-spacing:-.02em;color:var(--ink)}
.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center;color:#fff;font-weight:800;font-size:.95rem}
.brand-mark span{transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:2rem;list-style:none}
.nav-links a{font-weight:600;font-size:.98rem;color:var(--ink);opacity:.82;transition:opacity .15s} .nav-links a:hover{opacity:1}
.nav-cta{display:flex;align-items:center;gap:1rem}
.nav-toggle{display:none;background:none;border:0;padding:.4rem;color:var(--ink)} .nav-toggle svg{width:26px;height:26px}
@media (max-width:860px){.nav-links,.nav-cta .btn{display:none} .nav-toggle{display:inline-flex}
  .mobile-menu{position:fixed;inset:var(--header-h) 0 auto 0;background:var(--bg-white);border-bottom:1px solid var(--border);box-shadow:var(--shadow);display:none;flex-direction:column;padding:1rem 1.25rem 1.5rem;gap:.25rem;z-index:49}
  .mobile-menu.open{display:flex} .mobile-menu a{padding:.85rem .5rem;font-weight:600;border-bottom:1px solid var(--border)} .mobile-menu .btn{margin-top:1rem}}
@media (min-width:861px){.mobile-menu{display:none!important}}
/* Hero */
.hero{padding-block:clamp(3rem,6vw,5.5rem) clamp(3.5rem,6vw,6rem)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,4vw,4rem);align-items:center}
.hero h1{margin-top:1.25rem} .hero .lead{margin-top:1.4rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem;align-items:center}
.hero-note{margin-top:1.1rem;font-size:.92rem;color:var(--ink-soft);display:flex;align-items:center;gap:.5rem} .hero-note svg{width:18px;height:18px;color:var(--accent-2-deep);flex:none}
.video-frame{position:relative;aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;background:var(--ink);box-shadow:var(--shadow-lift);border:1px solid var(--border)}
.video-frame video,.video-frame iframe{width:100%;height:100%;object-fit:cover;border:0}
.video-placeholder{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:var(--dark-muted);background:radial-gradient(120% 120% at 50% 0%,#211d09 0%,#141204 60%);padding:1.5rem}
.video-placeholder .play{width:70px;height:70px;border-radius:50%;background:var(--accent);display:grid;place-items:center;margin:0 auto 1rem;box-shadow:0 8px 30px rgba(78,4,4,.45)} .video-placeholder .play svg{width:26px;height:26px;color:#fff;transform:translateX(2px)}
.video-placeholder small{display:block;margin-top:.35rem;font-size:.8rem;opacity:.7}
@media (max-width:880px){.hero-grid{grid-template-columns:1fr} .hero-media{order:-1}}
/* CTA strip (repeated scroll-to-booking) */
.cta-strip{padding-block:3.25rem;text-align:center}
.cta-strip.tint{background:var(--accent-2-tint);border-block:1px solid #dcdef0}
.cta-strip.dark{background:var(--dark)} .cta-strip.dark h2{color:#fff} .cta-strip.dark p{color:var(--dark-muted)}
.cta-strip h2{font-size:clamp(1.45rem,3vw,2.05rem);margin-bottom:.6rem;max-width:24ch;margin-inline:auto}
.cta-strip p{margin-bottom:1.4rem} .cta-strip.dark .accent{color:var(--accent-2)}
/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem 1.25rem;text-align:center}
.stat-card .num{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;color:var(--accent);letter-spacing:-.03em} .stat-card .label{font-size:.9rem;color:var(--ink-soft);margin-top:.35rem}
@media (max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}
/* Pains */
.pains{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem 2.5rem;max-width:880px;margin-inline:auto}
.pain{display:flex;gap:.85rem;align-items:flex-start} .pain svg{width:22px;height:22px;color:var(--accent);flex:none;margin-top:.15rem} .pain p{color:var(--ink);font-weight:500}
.reframe{margin:3rem auto 0;max-width:720px;text-align:center;font-size:clamp(1.15rem,2vw,1.5rem);font-weight:700;line-height:1.4;color:var(--ink)} .reframe .hl{color:var(--accent)}
@media (max-width:640px){.pains{grid-template-columns:1fr}}
/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.step{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem 1.6rem;position:relative}
.step .icon{width:52px;height:52px;border-radius:12px;background:var(--accent-2-tint);display:grid;place-items:center;margin-bottom:1.1rem} .step .icon svg{width:26px;height:26px;color:var(--accent-2-deep)}
.step .n{position:absolute;top:1.5rem;right:1.6rem;font-weight:800;color:var(--border);font-size:1.8rem} .step h3{margin-bottom:.5rem}
@media (max-width:820px){.steps{grid-template-columns:1fr}}
/* Cards / testimonials */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.tcard{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.tcard .photo{aspect-ratio:4/3;background:#ECEAE2;position:relative}
.tcard .photo .ph{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:#9a968b;font-size:.85rem;padding:1rem}
.tcard .photo img{width:100%;height:100%;object-fit:cover}
.tcard .body{padding:1.4rem 1.4rem 1.6rem;display:flex;flex-direction:column;gap:.7rem;flex:1}
.tcard .result{display:inline-block;align-self:flex-start;background:var(--accent);color:#fff;font-weight:700;font-size:.82rem;padding:.3rem .7rem;border-radius:20px}
.tcard blockquote{font-size:.98rem;color:var(--ink);border:0;padding:0} .tcard .name{font-weight:700;font-size:.95rem;margin-top:auto} .tcard .name span{color:var(--ink-soft);font-weight:500}
@media (max-width:880px){.cards-grid{grid-template-columns:1fr;max-width:460px;margin-inline:auto}}
/* Who / includes / faq / booking */
.who-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;max-width:900px;margin-inline:auto}
.who-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.6rem} .who-card h3{margin-bottom:.5rem} .who-card .tag{font-size:.8rem;font-weight:700;color:var(--accent-2-deep);text-transform:uppercase;letter-spacing:.06em}
.includes{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;max-width:980px;margin-inline:auto}
.include{display:flex;gap:1rem;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem 1.5rem}
.include .ic{width:44px;height:44px;flex:none;border-radius:11px;background:var(--accent-2-tint);display:grid;place-items:center} .include .ic svg{width:22px;height:22px;color:var(--accent-2-deep)}
.include h3{font-size:1.1rem;margin-bottom:.3rem} .include p{font-size:.95rem}
.faq{max-width:780px;margin-inline:auto}
.faq details{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:1.2rem 1.4rem;font-weight:700;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:1rem} .faq summary::-webkit-details-marker{display:none}
.faq summary .chev{transition:transform .2s;flex:none;color:var(--accent)} .faq details[open] summary .chev{transform:rotate(180deg)} .faq .answer{padding:0 1.4rem 1.3rem;color:var(--ink-soft)}
.booking{max-width:900px;margin-inline:auto}
.cal-embed{background:var(--bg-white);border:1px dashed #c9b8b8;border-radius:var(--radius-lg);min-height:560px;display:grid;place-items:center;text-align:center;padding:2rem;color:var(--ink-soft)}
.cal-embed .badge{display:inline-block;background:var(--accent-2-tint);color:var(--accent-2-deep);font-weight:700;font-size:.8rem;padding:.4rem .85rem;border-radius:20px;margin-bottom:1rem;letter-spacing:.05em}
/* CTA band + footer */
.cta-band{background:var(--dark);color:var(--dark-text)} .cta-band .wrap{text-align:center;padding-block:clamp(3.5rem,6vw,5.5rem)}
.cta-band h2{color:#fff;max-width:20ch;margin:0 auto 1rem} .cta-band p{color:var(--dark-muted);max-width:52ch;margin:0 auto 2rem} .cta-band .accent{color:var(--accent-2)}
.site-footer{background:var(--dark);color:var(--dark-muted);padding-block:3.5rem 2.5rem;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem} .site-footer .brand{color:#fff;margin-bottom:.8rem} .footer-about{max-width:320px;font-size:.92rem}
.footer-cols{display:flex;gap:4rem;flex-wrap:wrap} .footer-col h4{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dark-muted);margin-bottom:.9rem;font-weight:700}
.footer-col a{display:block;color:var(--dark-text);opacity:.85;padding:.25rem 0;font-size:.95rem} .footer-col a:hover{opacity:1;color:var(--accent-2)}
.footer-bottom{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;font-size:.85rem} .footer-bottom a{color:var(--dark-text)}
.social{display:flex;gap:.9rem} .social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.15);display:grid;place-items:center} .social a:hover{background:var(--accent);border-color:var(--accent)} .social svg{width:19px;height:19px}
/* Reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .5s ease,transform .5s ease} .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none} html{scroll-behavior:auto}}
.is-placeholder{outline:1px dashed #c9b8b8;outline-offset:2px}
/* Free-tools chooser cards (on /free-tools) */
.tool-chooser{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;max-width:940px;margin-inline:auto}
.tool-choice{display:block;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.8rem 1.6rem;transition:transform .18s,box-shadow .18s,border-color .18s}
.tool-choice:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--accent-2)}
.tool-choice .icon{width:48px;height:48px;border-radius:11px;background:var(--accent-2-tint);display:grid;place-items:center;margin-bottom:1rem} .tool-choice .icon svg{width:24px;height:24px;color:var(--accent-2-deep)}
.tool-choice h3{margin-bottom:.4rem} .tool-choice p{font-size:.97rem}
.tool-choice .go{margin-top:1rem;font-weight:700;color:var(--accent);display:inline-flex;align-items:center;gap:.35rem;font-size:.95rem} .tool-choice:hover .go{gap:.6rem}
@media (max-width:820px){.tool-chooser{grid-template-columns:1fr}}
/* Calculator UI (individual tool pages) */
.tool-head{max-width:720px;margin-inline:auto;text-align:center} .tool-head .eyebrow{margin-bottom:1rem} .tool-head p{margin-top:1rem}
.back-link{display:inline-flex;align-items:center;gap:.4rem;color:var(--accent);font-weight:700;font-size:.95rem;margin-bottom:1.5rem} .back-link svg{width:18px;height:18px}
.tool-layout{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;max-width:940px;margin:2.5rem auto 0;align-items:start}
.tool-panel{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow)} .tool-panel h3{margin-bottom:1.25rem}
.unit-toggle{display:inline-flex;background:var(--bg);border:1px solid var(--border);border-radius:30px;padding:4px;margin-bottom:1.25rem}
.unit-toggle button{border:0;background:transparent;padding:.5rem 1.1rem;border-radius:30px;font-weight:700;font-size:.9rem;color:var(--ink-soft)} .unit-toggle button.active{background:var(--accent);color:#fff}
.field{margin-bottom:1.1rem} .field>label{display:block;font-weight:600;font-size:.92rem;margin-bottom:.4rem}
.field input,.field select{width:100%;padding:.8rem .9rem;font-size:1rem;font-family:inherit;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-white);color:var(--ink)}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(152,159,206,.3)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.seg{display:flex;gap:.5rem} .seg label{flex:1;text-align:center;padding:.7rem;border:1px solid var(--border);border-radius:var(--radius);font-weight:600;cursor:pointer;font-size:.95rem;background:var(--bg-white);position:relative}
.seg input{position:absolute;opacity:0;pointer-events:none} .seg label:has(input:checked){border-color:var(--accent);background:#fbf3f3;box-shadow:inset 0 0 0 1px var(--accent);color:var(--accent)}
.hint{font-size:.82rem;color:var(--ink-soft);margin-top:.4rem}
.range-row{display:flex;align-items:center;gap:1rem} .range-row input[type=range]{flex:1;accent-color:var(--accent)} .range-val{font-weight:700;min-width:4.5rem;text-align:right}
.error-msg{color:var(--accent);font-weight:600;font-size:.9rem;margin-top:.75rem;min-height:1.1rem}
.result-panel{position:sticky;top:calc(var(--header-h) + 1rem)}
.result-empty{color:var(--ink-soft);text-align:center;padding:2rem 1rem} .result-empty svg{width:40px;height:40px;color:var(--accent-2);margin-bottom:.75rem}
.result-grid{display:grid;gap:.75rem}
.target{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.1rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg)}
.target.is-primary{border-color:var(--accent);background:#fbf3f3}
.target .t-label{font-weight:700} .target .t-label small{display:block;font-weight:500;color:var(--ink-soft);font-size:.82rem}
.target .t-val{font-size:1.5rem;font-weight:800;color:var(--accent);white-space:nowrap} .target .t-val span{font-size:.85rem;font-weight:600;color:var(--ink-soft)}
.macro-visual{display:flex;align-items:center;gap:1.5rem;margin:1.25rem 0}
.ring-wrap{position:relative;display:grid;place-items:center}
.ring{width:120px;height:120px;flex:none;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--pp,33)*1%),var(--accent-2) 0 calc((var(--pp,33) + var(--pc,34))*1%),var(--fat) 0);display:grid;place-items:center}
.ring::after{content:'';width:78px;height:78px;background:var(--bg-white);border-radius:50%}
.ring-center{position:absolute;text-align:center} .ring-cal{font-weight:800;font-size:1.1rem} .ring-cal small{display:block;font-size:.7rem;color:var(--ink-soft);font-weight:600}
.macro-bars{flex:1;display:grid;gap:.85rem} .mbar .mbar-top{display:flex;justify-content:space-between;font-size:.9rem;font-weight:600;margin-bottom:.3rem}
.mbar .track{height:9px;border-radius:6px;background:var(--bg);overflow:hidden} .mbar .fill{height:100%;border-radius:6px}
.mbar.p .fill{background:var(--accent)} .mbar.c .fill{background:var(--accent-2)} .mbar.f .fill{background:var(--fat)}
.mbar .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:.4rem;vertical-align:middle} .mbar.p .dot{background:var(--accent)} .mbar.c .dot{background:var(--accent-2)} .mbar.f .dot{background:var(--fat)}
.tool-cta{background:var(--accent-2-tint);border:1px solid #dcdef0;border-radius:var(--radius-lg);padding:1.6rem;text-align:center;margin-top:1.5rem} .tool-cta h3{margin-bottom:.5rem} .tool-cta p{margin-bottom:1.1rem}
@media (max-width:800px){.tool-layout{grid-template-columns:1fr} .result-panel{position:static}}