/* Mobile-first: 390px base, min-width queries up.
   WCAG contrast, scripted, alpha composited over the backdrop; text >= 4.5, UI >= 3. muted = sun@.76, soft = sun@.66.
   sun/muted/soft/aqua/aqua-2 on charcoal 16.37/9.90/7.78/8.48/10.83; navy 15.58/9.47/7.47/8.07/10.30;
   card 14.55/9.01/7.17/7.54/9.63; surface 13.92/8.64/6.89/7.21/9.21; hero glow teal@.3 11.98/7.63/-/6.20/7.92;
   call glow teal@.14 12.81/8.10. Sun on teal 4.76 (hover 6.24, active 7.83), field 16.25, chip-on 12.71, tab-on 10.26;
   muted on track 10.28; coral on surface 5.11.
   UI: input border sun@.5 (over field) vs surface 4.27, field 4.98; radio ring sun@.62 6.94; checked radio aqua 6.59;
   tab bar 5.32; focus aqua-2 >= 6.62; teal buttons are text-labelled, so need no boundary contrast
   (surface 2.93, card 3.06, charcoal 3.44) */

/* ---------- Web fonts ---------- */

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/cormorant-garamond-600-subset.woff2) format('woff2');
  unicode-range: U+0020-007E, U+00A0, U+00A9, U+00B7, U+00D7, U+2013-2014, U+2018-2019, U+201C-201D, U+2022, U+2026;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 700; /* variable wght axis, limited to 400-700 */
  font-display: swap;
  src: url(fonts/plus-jakarta-sans-var-subset.woff2) format('woff2');
  unicode-range: U+0020-007E, U+00A0, U+00A9, U+00B7, U+00D7, U+2013-2014, U+2018-2019, U+201C-201D, U+2022, U+2026;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/jetbrains-mono-500-subset.woff2) format('woff2');
  unicode-range: U+0020-007E, U+00A0, U+00A9, U+00B7, U+00D7, U+2013-2014, U+2018-2019, U+201C-201D, U+2022, U+2026;
}

/* ---------- Metric-matched local fallbacks ---------- */

/* Hero headline: Cormorant Garamond 600 vs Times New Roman.
   Weight 600 is declared so the browser never synthesises bold, which would change advance widths. */
@font-face {
  font-family: 'Cormorant Garamond Fallback';
  font-style: normal;
  font-weight: 600;
  src: local('Times New Roman'), local('TimesNewRomanPSMT');
  size-adjust: 96.93%;
  ascent-override: 95.32%;
  descent-override: 29.61%;
  line-gap-override: 0.00%;
}

/* Plus Jakarta Sans vs Arial / Arial Bold, one face per weight used (widths differ about 1.3% per 100 wght). */
@font-face {
  font-family: 'Plus Jakarta Sans Fallback';
  font-style: normal;
  font-weight: 400;
  src: local('Arial'), local('ArialMT');
  size-adjust: 104.23%;
  ascent-override: 99.59%;
  descent-override: 21.30%;
  line-gap-override: 0.00%;
}

@font-face {
  font-family: 'Plus Jakarta Sans Fallback';
  font-style: normal;
  font-weight: 500;
  src: local('Arial'), local('ArialMT');
  size-adjust: 105.56%;
  ascent-override: 98.34%;
  descent-override: 21.03%;
  line-gap-override: 0.00%;
}

@font-face {
  font-family: 'Plus Jakarta Sans Fallback';
  font-style: normal;
  font-weight: 600;
  src: local('Arial Bold'), local('Arial-BoldMT');
  size-adjust: 99.07%;
  ascent-override: 104.77%;
  descent-override: 22.41%;
  line-gap-override: 0.00%;
}

@font-face {
  font-family: 'Plus Jakarta Sans Fallback';
  font-style: normal;
  font-weight: 700;
  src: local('Arial Bold'), local('Arial-BoldMT');
  size-adjust: 100.31%;
  ascent-override: 103.48%;
  descent-override: 22.13%;
  line-gap-override: 0.00%;
}

/* HUD labels: JetBrains Mono 500 vs Courier New (both monospaced: 0.600em vs 0.6001em advance). */
@font-face {
  font-family: 'JetBrains Mono Fallback';
  font-style: normal;
  font-weight: 500;
  src: local('Courier New'), local('CourierNewPSMT');
  size-adjust: 99.98%;
  ascent-override: 102.02%;
  descent-override: 30.00%;
  line-gap-override: 0.00%;
}

:root{
  --charcoal:#1e1e1e;--navy:#0b2438;--sun:#fdfdfb;--teal:#007e87;--aqua:#3acbd5;--aqua-2:#79e0e8;--coral:#ff6b6b;
  --teal-hover:#006a72;--teal-active:#005a61;--card:#25282b;--surface:#0f2d45;--field:#0a2034;--track:#081a2b;--tab-on:#1c4263;--chip-on:#103547;
  --muted:rgb(253 253 251/.76);--soft:rgb(253 253 251/.66);--edge:rgb(253 253 251/.5);--ring:rgb(253 253 251/.62);--line:rgb(253 253 251/.1);--aqua-a:rgb(58 203 213/.55);
  --grad:linear-gradient(90deg,var(--aqua),var(--aqua-2));
  --serif:'Cormorant Garamond','Cormorant Garamond Fallback',Georgia,serif;
  --sans:'Plus Jakarta Sans','Plus Jakarta Sans Fallback',Arial,sans-serif;
  --mono:'JetBrains Mono','JetBrains Mono Fallback',ui-monospace,monospace;
  color-scheme:dark;
}
*,::before,::after{box-sizing:border-box}
html{background:var(--charcoal);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--charcoal);color:var(--sun);font:400 1.0625rem/1.6 var(--sans);overflow-wrap:anywhere}
h1,h2,h3,p,ol,fieldset{margin:0}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
[hidden]{display:none!important}
a{color:var(--aqua);text-underline-offset:.2em}
:focus-visible{outline:2px solid var(--aqua-2);outline-offset:3px}
svg{display:block}
s{text-decoration-thickness:1.5px}
.nw{display:inline-block}
.wrap{width:min(100% - 40px,68rem);margin-inline:auto}
.section{padding-block:4.5rem}
.section--navy,.footer{background:var(--navy)}
h2{max-width:20ch;font-size:clamp(1.875rem,1.35rem + 2.1vw,2.75rem);line-height:1.12;letter-spacing:-.025em}
h2::before{content:"";display:block;width:2.5rem;height:2px;margin-bottom:1.25rem;background:var(--grad)}
h3{font-size:1.25rem;line-height:1.3;letter-spacing:-.01em}
.hud,.tag,.step__num{font:500 .75rem/1.4 var(--mono);letter-spacing:.08em;color:var(--aqua)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.625rem;min-height:3.25rem;padding:.75rem clamp(.75rem,6.2vw,1.5rem);border:1px solid transparent;border-radius:12px;font:600 1.0625rem/1.25 var(--sans);text-align:center;text-decoration:none;text-wrap:balance;cursor:pointer}
.btn--primary{background:var(--teal);color:var(--sun);box-shadow:inset 0 1px rgb(253 253 251/.14),0 10px 28px -14px rgb(0 126 135/.9)}
.btn--block{display:flex;width:100%}
.btn[aria-busy=true]::after{content:"";flex:none;width:1em;height:1em;border:2px solid rgb(253 253 251/.35);border-top-color:var(--sun);border-radius:50%}
.btn--row{justify-content:space-between;width:100%;font-size:1rem;text-align:left}
.btn--row::after,.more::after{content:"";flex:none;width:.5em;height:.5em;border:solid currentColor;border-width:2px 2px 0 0;transform:rotate(45deg)}
.more{display:inline-flex;align-items:center;gap:.625rem;min-height:44px;font-weight:600;text-decoration:underline 1px var(--aqua-a)}
.more::after{transform:translateY(-.15em) rotate(135deg)}
@media (hover:hover){
  a:hover{color:var(--aqua-2)}
  .btn--primary:hover{background:var(--teal-hover);color:var(--sun)}
  .tabs button:hover{color:var(--sun)}
  input:hover:not(:disabled,:focus){border-color:rgb(253 253 251/.75)}
  .chip:hover{border-color:rgb(253 253 251/.4)}
}
.btn--primary:active{background:var(--teal-active)}
.hero{position:relative;padding:1.75rem 0 6.5rem;background:radial-gradient(34rem 28rem at 100% 0,rgb(0 126 135/.3),transparent 70%),var(--charcoal)}
.mark{width:2.5rem;height:2.5rem}
.hero h1{max-width:20ch;margin-top:3rem;font:600 clamp(2.75rem,1.5rem + 5.2vw,5.25rem)/1.04 var(--serif);letter-spacing:-.012em}
.accent{display:block;color:var(--aqua-2)}
.hero__sub{max-width:35rem;margin-top:1.25rem}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.75rem;margin-top:2rem}
.hero .hud{display:flex;align-items:center;gap:.625rem;width:fit-content;margin-top:1.75rem;padding:.5rem .875rem;border:1px solid rgb(58 203 213/.28);border-radius:99px}
.hero .hud::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aqua)}
.waves{position:absolute;left:0;bottom:1.25rem;width:100%;height:4.5rem}
#demo{overflow-anchor:none}
.lead{max-width:34rem;margin-top:1rem}
.app{position:relative;margin-top:2rem;padding:clamp(.875rem,4vw,2rem);background:var(--surface);border:1px solid var(--line);border-radius:20px}
.app::before{content:"";position:absolute;inset:-1px 1.5rem auto;height:1px;background:var(--grad)}
.tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,6.5em),1fr));gap:4px;padding:4px;background:var(--track);border-radius:14px}
.tabs button{position:relative;min-height:3rem;padding:.5rem .25rem .625rem;border:0;border-radius:10px;background:none;color:var(--muted);font:600 clamp(.875rem,.55rem + 1.6vw,.9375rem)/1.25 var(--sans);cursor:pointer}
.tabs [aria-selected=true]{background:var(--tab-on);color:var(--sun)}
.tabs [aria-selected=true]::after{content:"";position:absolute;left:calc(50% - .75rem);bottom:4px;width:1.5rem;height:2px;background:var(--grad)}
.panel-intro{margin:1.5rem 0 1.25rem}
.demo-form{display:grid;gap:1.25rem}
.field{display:grid;gap:.5rem;min-width:0;padding:0;border:0}
label,legend{padding:0;font-size:.9375rem;font-weight:600;line-height:1.4}
legend{margin-bottom:.5rem}
input:not([type=radio]){width:100%;min-height:3.25rem;padding:.75rem 1rem;border:1px solid var(--edge);border-radius:12px;background:var(--field);color:var(--sun);font:400 1.0625rem/1.4 var(--sans);appearance:none}
input:focus-visible{border-color:var(--aqua);outline-offset:2px}
input:-webkit-autofill{-webkit-text-fill-color:var(--sun);box-shadow:inset 0 0 0 40px var(--field)}
input:disabled{border-style:dashed;border-color:rgb(253 253 251/.28);background:none;cursor:not-allowed}
.field:has(:disabled) label,.help,.footer__privacy{color:var(--soft)}
.help{font-size:.875rem}
.chips{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,max(8.5rem,50% - .25rem)),1fr));gap:.5rem}
.chip{display:flex;align-items:center;gap:.625rem;min-height:3.25rem;padding:.625rem .75rem;border:1px solid rgb(253 253 251/.16);border-radius:12px;background:var(--field);font-weight:500;line-height:1.25;cursor:pointer}
.chip:has(:checked){border-color:var(--aqua);background:var(--chip-on)}
.chip input{flex:none;width:1.125rem;height:1.125rem;margin:0;border:2px solid var(--ring);border-radius:50%;appearance:none;cursor:pointer}
.chip:has(:focus-visible){outline:2px solid var(--aqua-2);outline-offset:2px}
.chip:has(:focus-visible) input{outline:0}
.chip input:checked{border-color:var(--aqua);background:radial-gradient(circle,var(--aqua) 0 36%,transparent 42%)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.submit{display:grid;gap:.875rem;margin-top:.25rem}
.consent{font-size:1rem;line-height:1.5}
.error{padding:.125rem 0 .125rem .875rem;border-left:2px solid var(--coral);color:var(--coral);font-size:1rem;line-height:1.5}
.error a{color:inherit}
[role=status],[role=alert]{scroll-margin:11rem 0 1.5rem}
.success{display:grid;justify-items:center;gap:.75rem;padding:2.5rem 1rem 2rem;text-align:center}
.success:focus{outline:none}
.success__icon{width:3.5rem;height:3.5rem}
.success__title{font-size:1.375rem;font-weight:700;line-height:1.3}
.badge{width:fit-content;margin-bottom:1.5rem;padding:.375rem .875rem;border:1px solid transparent;border-radius:99px;background:linear-gradient(var(--charcoal),var(--charcoal)) padding-box,var(--grad) border-box;color:var(--aqua);font-size:.875rem;font-weight:600}
.h2--long{max-width:28ch;font-size:clamp(1.5rem,1.1rem + 1.7vw,2.25rem);line-height:1.2}
.h2--long::before{display:none}
.cards,.book{display:grid;grid-template-columns:minmax(0,1fr);gap:1rem;margin-top:2.25rem}
.card,.action{padding:clamp(1rem,6.2vw,1.5rem);background:var(--card);border:1px solid var(--line)}
.card{position:relative;display:flex;flex-direction:column;gap:.875rem;border-radius:16px;overflow:hidden}
.card::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:var(--grad)}
.card__pain{font-weight:500;line-height:1.5}
.card__what{font-size:1rem}
.card__foot{display:grid;gap:.5rem;margin-top:auto;padding-top:1.125rem;border-top:1px solid var(--line)}
.price{color:var(--soft);font-size:.9375rem}
.price strong{margin-right:.25rem;color:var(--sun);font-size:2rem;line-height:1.1;letter-spacing:-.03em}
.bundle{width:fit-content;margin-top:1rem;padding:1rem 1.25rem;border:1px solid var(--line);border-radius:16px;color:var(--soft)}
.bundle strong,.step strong{color:var(--sun)}
.steps{display:grid;gap:2.25rem;margin-top:2.5rem;padding:0;list-style:none}
.step{position:relative;padding-left:2.5rem}
.step::before{content:"";position:absolute;left:0;top:6px;width:14px;height:14px;border:2px solid var(--aqua);border-radius:50%;background:var(--navy);box-shadow:0 0 0 4px rgb(58 203 213/.12)}
.step:not(:last-child)::after{content:"";position:absolute;left:6px;top:1.75rem;bottom:-2rem;width:2px;background:linear-gradient(var(--aqua),rgb(121 224 232/.12))}
.step h3{display:grid;grid-template-columns:auto 1fr;column-gap:.5rem;align-items:baseline}
.step__num{font-size:.875rem}
.step p{margin-top:.625rem}
.why{max-width:38rem;margin-top:2rem;padding-left:1.25rem;border-left:2px solid;border-image:linear-gradient(var(--aqua),var(--aqua-2)) 1;font-size:1.1875rem}
.faq{margin-top:2rem;border-top:1px solid var(--line)}
.qa{padding-block:1.375rem;border-bottom:1px solid var(--line)}
.qa h3{font-size:1.0625rem;font-weight:600}
.qa p{margin-top:.375rem}
.action{display:flex;flex-direction:column;gap:1rem;border-radius:20px}
.action--call{border-color:transparent;background:radial-gradient(20rem 14rem at 100% 0,rgb(0 126 135/.14),transparent 70%) padding-box,linear-gradient(var(--card),var(--card)) padding-box,var(--grad) border-box}
.icon{width:2.75rem;height:2.75rem;padding:.625rem;border-radius:12px;background:rgb(58 203 213/.1);fill:none;stroke:var(--aqua);stroke-width:1.6;stroke-linecap:round}
.action--call .icon{margin-bottom:.5rem}
.dial{display:none}
.deposits{display:grid;gap:.625rem;margin-top:.25rem}
.footer{padding:3.5rem 0 3rem;font-size:1rem}
.footer__inner{display:grid;grid-template-columns:minmax(0,1fr);gap:.5rem}
.mark--sm{width:2rem;height:2rem;margin-bottom:.75rem}
.footer__id{font-weight:600}
.footer__mail a{display:inline-flex;align-items:center;min-height:44px}
.card__pain,.card__what,.step p,.qa p,.footer__privacy{max-width:36rem}
.hero__sub,.lead,.panel-intro,.consent,.noscript,.card__what,.step p,.qa p,.action p{color:var(--muted)}
.footer__tag{margin-top:1rem;font-size:1.125rem;font-weight:500}
@media (min-width:45em){
  .wrap{width:min(100% - 64px,68rem)}
  .section{padding-block:6rem}
  .hero{padding:2.5rem 0 8rem}
  .hero h1{margin-top:4rem}
  .cards,.book{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card{display:grid;grid-row:span 4;grid-template-rows:subgrid}
  .card:last-child{grid-column:1/-1}
  .action{padding:2rem}
  .dial{display:block;width:7rem;height:7rem;margin:auto 0}
}
@media (min-width:60em){
  .section{padding-block:7rem}
  .hero{padding-bottom:9rem}
  .hero__sub{font-size:1.1875rem}
  .demo,.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:4rem;align-items:start}
  .app,.why,.faq{margin-top:0}
  .cards,.steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .card:last-child{grid-column:auto}
  .steps{gap:0 2.5rem}
  .step{display:grid;grid-row:span 2;grid-template-rows:subgrid;padding:2.5rem 0 0}
  .step::before{top:0}
  .step:not(:last-child)::after{inset:6px -1.75rem auto 1.75rem;width:auto;height:2px;background:linear-gradient(90deg,var(--aqua),rgb(121 224 232/.12))}
  .why{font-size:1.375rem}
  .footer__inner{grid-template-columns:minmax(0,1fr) auto;column-gap:4rem}
  .footer__tag{grid-area:1/2/5;align-self:end;font-size:1.375rem}
}
@media (min-width:60em) and (min-height:32em){.demo__head{position:sticky;top:3rem}}
@media (max-height:640px) and (orientation:portrait),(max-height:500px){.hero{padding-top:1rem}.hero h1{margin-top:1.25rem;font-size:2.5rem}.hero__actions{margin-top:1.25rem}}
@media (max-height:500px){.hero h1{max-width:none;font-size:2.25rem}.hero__sub{max-width:46rem}}
@media (forced-colors:active){.chip input{appearance:auto}.tabs [aria-selected=true]{border:2px solid Highlight}}
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
  a,.btn,.tabs button,input,.chip{transition:background-color .18s,border-color .18s,color .18s}
  .btn[aria-busy=true]::after{animation:spin .8s linear infinite}
  .success:not([hidden]){animation:rise .45s ease-out both}
  @keyframes spin{to{transform:rotate(360deg)}}
  @keyframes rise{from{opacity:0;transform:translateY(8px)}}
}