/* DoseFit marketing site — shared design system.
   Dark, clean, scientific. Palette inherited from the fitter (app.html). */
:root{
  --bg:#0b0e13; --bg-soft:#0e131b; --card:#11151c; --card-2:#141a23;
  --line:rgba(255,255,255,0.09); --line-2:rgba(255,255,255,0.06);
  --ink:#e8edf2; --muted:#93a1b0; --dim:#7f8c9b; --faint:#5d6773;
  --green:#6ee08a; --green-2:#2bbf73; --green-3:#1c8c52;
  --blue:#8fb6ff; --amber:#f3b34d;
  --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1120px; color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;
  -webkit-font-smoothing:antialiased;font-size:16px}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}

/* ---- top nav ---- */
.topnav{position:sticky;top:0;z-index:20;background:rgba(11,14,19,0.82);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.topnav .row{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{font-size:19px;font-weight:700;letter-spacing:-0.02em;text-decoration:none;color:var(--ink)}
.brand span{color:var(--green)}
.navlinks{display:flex;align-items:center;gap:26px}
.navlinks a{font-size:14px;color:var(--muted);text-decoration:none;transition:color .15s}
.navlinks a:hover{color:var(--ink)}
.navlinks a.cta{color:var(--ink)}
@media(max-width:680px){ .navlinks{gap:15px} .navlinks a.hide-sm{display:none} }

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:15px;font-weight:550;
  padding:11px 20px;border-radius:10px;border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .12s ease, background .15s, border-color .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green-3);border-color:var(--green-2);color:#eafff2}
.btn-primary:hover{background:var(--green-2)}
.btn-ghost{background:#161d29;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:#1b2330;border-color:rgba(255,255,255,0.18)}
.btn-sm{padding:8px 15px;font-size:14px;border-radius:9px}

/* ---- generic section ---- */
.section{padding:78px 0;border-top:1px solid var(--line-2)}
.section.tight{padding:56px 0}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--green);
  margin-bottom:14px}
.section h2{font-size:30px;font-weight:680;letter-spacing:-0.02em;line-height:1.2}
.section .lead{color:var(--muted);font-size:17px;margin-top:12px;max-width:620px}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;padding:84px 0 70px}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(1100px 460px at 72% -8%, rgba(110,224,138,0.13), transparent 60%),
             radial-gradient(700px 380px at 8% 8%, rgba(120,150,255,0.08), transparent 60%)}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
@media(max-width:900px){ .hero-grid{grid-template-columns:1fr;gap:34px} }
.hero h1{font-size:48px;line-height:1.05;letter-spacing:-0.03em;font-weight:720}
.hero h1 .g{color:var(--green)}
.hero .sub{font-size:18.5px;color:var(--muted);margin-top:20px;max-width:540px}
.hero .actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero .micro{margin-top:18px;font-size:13px;color:var(--faint)}
.hero .micro b{color:var(--dim);font-weight:600}
@media(max-width:560px){ .hero h1{font-size:36px} }

.figure-card{background:linear-gradient(180deg,#0e131b,#0b0f15);border:1px solid var(--line);
  border-radius:16px;padding:14px;box-shadow:0 30px 60px -30px rgba(0,0,0,0.7)}
.figure-card svg{display:block;width:100%;height:auto}
.figure-cap{font-size:11.5px;color:var(--faint);margin-top:9px;padding:0 4px}

/* ---- feature cards ---- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
@media(max-width:760px){ .cards{grid-template-columns:1fr} }
.feature{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.feature .ic{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(110,224,138,0.1);border:1px solid rgba(110,224,138,0.22);margin-bottom:15px}
.feature .ic svg{width:20px;height:20px;stroke:var(--green);fill:none;stroke-width:1.7}
.feature h3{font-size:17px;font-weight:620;letter-spacing:-0.01em}
.feature p{color:var(--muted);font-size:14.5px;margin-top:8px}
.feature.blue .ic{background:rgba(143,182,255,0.1);border-color:rgba(143,182,255,0.25)}
.feature.blue .ic svg{stroke:var(--blue)}

/* ---- privacy band ---- */
.band{background:linear-gradient(180deg,#0e131b,#0c1016);border:1px solid var(--line);border-radius:16px;
  padding:38px 34px;display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center}
@media(max-width:680px){ .band{grid-template-columns:1fr;padding:28px} }
.band .shield{width:54px;height:54px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(110,224,138,0.1);border:1px solid rgba(110,224,138,0.25)}
.band .shield svg{width:28px;height:28px;stroke:var(--green);fill:none;stroke-width:1.6}
.band h2{font-size:23px;font-weight:650;letter-spacing:-0.02em}
.band p{color:var(--muted);margin-top:9px;font-size:15px;max-width:720px}

/* ---- audience chips ---- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  font-size:14px;color:var(--ink)}
.chip span{color:var(--dim)}

/* ---- pricing ---- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px;align-items:stretch}
@media(max-width:880px){ .tiers{grid-template-columns:1fr;max-width:460px;margin-left:auto;margin-right:auto} }
.tier{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px;display:flex;flex-direction:column}
.tier.featured{border-color:rgba(110,224,138,0.4);background:linear-gradient(180deg,#10171a,#0e131b);
  box-shadow:0 24px 50px -28px rgba(110,224,138,0.18)}
.tier .badge{display:inline-block;align-self:flex-start;font-size:11px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--green);background:rgba(110,224,138,0.12);border:1px solid rgba(110,224,138,0.25);
  border-radius:999px;padding:4px 10px;margin-bottom:14px}
.tier .badge.soon{color:var(--amber);background:rgba(243,179,77,0.1);border-color:rgba(243,179,77,0.28)}
.tier h3{font-size:20px;font-weight:650}
.tier .price{margin-top:12px;font-size:34px;font-weight:720;letter-spacing:-0.02em}
.tier .price small{font-size:14px;font-weight:500;color:var(--dim)}
.tier .pdesc{color:var(--muted);font-size:14px;margin-top:8px;min-height:20px}
.tier ul{list-style:none;margin:20px 0 24px;display:flex;flex-direction:column;gap:10px}
.tier li{font-size:14.5px;color:var(--ink);display:flex;gap:10px;align-items:flex-start}
.tier li::before{content:"";flex:0 0 16px;height:16px;margin-top:3px;border-radius:50%;
  background:rgba(110,224,138,0.16);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5' stroke='%236ee08a' stroke-width='1.7' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center}
.tier li.muted{color:var(--dim)}
.tier .btn{margin-top:auto;justify-content:center}
.note-indicative{text-align:center;color:var(--faint);font-size:13px;margin-top:24px}

/* ---- FAQ ---- */
.qa{border-top:1px solid var(--line);padding:24px 0}
.qa:first-child{border-top:none}
.qa h3{font-size:17.5px;font-weight:620;letter-spacing:-0.01em}
.qa p{color:var(--muted);margin-top:9px;font-size:15px;max-width:780px}
.qa p a{color:var(--green);text-decoration:none}
.qa p a:hover{text-decoration:underline}

/* ---- prose (methods/privacy) ---- */
.prose{max-width:740px}
.prose h2{font-size:22px;font-weight:650;letter-spacing:-0.01em;margin-top:38px}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--muted);margin-top:13px;font-size:15.5px}
.prose ul{margin:13px 0 0 2px;padding-left:20px;color:var(--muted)}
.prose li{margin-top:7px;font-size:15.5px}
.prose code,.prose .eq{font-family:var(--mono);background:var(--bg-soft);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;font-size:13.5px;color:#aecbb6}
.prose .eq{display:block;padding:14px 16px;margin-top:14px;overflow-x:auto;color:#cfe3d6}
.prose strong{color:var(--ink);font-weight:620}
.prose a{color:var(--green);text-decoration:none}
.prose a:hover{text-decoration:underline}

/* ---- page header (interior pages) ---- */
.page-head{padding:56px 0 6px}
.page-head h1{font-size:38px;font-weight:700;letter-spacing:-0.025em}
.page-head p{color:var(--muted);font-size:17px;margin-top:12px;max-width:640px}

/* ---- CTA strip ---- */
.cta-strip{text-align:center;padding:72px 0}
.cta-strip h2{font-size:30px;font-weight:680;letter-spacing:-0.02em}
.cta-strip p{color:var(--muted);margin-top:12px;font-size:17px}
.cta-strip .actions{display:flex;gap:12px;justify-content:center;margin-top:26px;flex-wrap:wrap}

/* ---- three steps ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
@media(max-width:760px){ .steps{grid-template-columns:1fr} }
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;position:relative}
.step .num{font-family:var(--mono);font-size:12.5px;color:var(--green);font-weight:600;letter-spacing:.06em;margin-bottom:11px}
.step h3{font-size:17px;font-weight:620;letter-spacing:-0.01em}
.step p{color:var(--muted);font-size:14.5px;margin-top:8px}
.step .code{display:block;font-family:var(--mono);font-size:12.5px;color:#cfe3d6;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-top:12px;white-space:pre;line-height:1.6}

/* ---- comparison table ---- */
.cmp-wrap{margin-top:36px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cmp{width:100%;border-collapse:collapse;font-size:14.5px}
.cmp th,.cmp td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp thead th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim);font-weight:600;
  background:var(--bg-soft)}
.cmp thead th.df{color:var(--green)}
.cmp td.feat{color:var(--ink);font-weight:500;width:38%}
.cmp td{color:var(--muted)}
.cmp .col-df{background:rgba(110,224,138,0.045)}
.cmp .yes{color:var(--green);font-weight:600}
.cmp .no{color:var(--faint)}
.cmp .part{color:var(--amber)}
.cmp tbody tr:hover td{background:rgba(255,255,255,0.02)}
.cmp tbody tr:hover td.col-df{background:rgba(110,224,138,0.07)}
@media(max-width:640px){ .cmp th,.cmp td{padding:11px 10px;font-size:13px} .cmp td.feat{width:42%} }
.verdict{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}
@media(max-width:680px){ .verdict{grid-template-columns:1fr} }
.verdict .v{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.verdict .v.df{border-color:rgba(110,224,138,0.35)}
.verdict .v h3{font-size:16px;font-weight:620}
.verdict .v h3 .tag{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--green);margin-left:8px}
.verdict .v p{color:var(--muted);font-size:14.5px;margin-top:9px}

/* ---- footer ---- */
.footer{border-top:1px solid var(--line);padding:46px 0 60px;margin-top:20px}
.footer .row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer .brand{font-size:17px}
.footer .cols{display:flex;gap:54px;flex-wrap:wrap}
.footer .col h4{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.footer .col a{display:block;font-size:14px;color:var(--muted);text-decoration:none;margin-top:8px}
.footer .col a:hover{color:var(--ink)}
.footer .legal{color:var(--faint);font-size:13px;margin-top:30px;max-width:760px;line-height:1.6}