/* ============================================================
   SOAP — Construction landing page
   Brand: Ink #0A0E14 · Bone #EFEAE0 · Signal #D6EE5C
   Type:  Inter Tight (display/body) · JetBrains Mono (numerics)
   ============================================================ */

:root{
  --ink:        #0A0E14;
  --slate:      #131922;
  --carbon:     #1E2530;
  --bone:       #EFEAE0;
  --bone-mute:  #C9C3B7;
  --mist:       #7C8693;
  --signal:     #D6EE5C;
  --signal-d:   #BCD146;

  --display: 'Inter Tight', system-ui, -apple-system, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, Menlo, monospace;

  --s-1: 4px;
  --s-2: 8px;
  --s-3: 16px;
  --s-4: 24px;
  --s-5: 40px;
  --s-6: 64px;
  --s-7: 96px;
  --s-8: 128px;

  --maxw: 1240px;
  --radius: 6px;
  --hair: 1px solid var(--carbon);
}

*{box-sizing:border-box; margin:0; padding:0;}
html,body{background:var(--ink); color:var(--bone); font-family:var(--display); font-weight:400; font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
em{font-style:normal; color:var(--signal);}

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.mono{font-family:var(--mono); font-variant-numeric: tabular-nums; letter-spacing:0;}
.signal{color:var(--signal);}

/* ===================== TOP NAV ===================== */
.topbar{
  position: sticky; top:0; z-index:50;
  background: rgba(10,14,20,0.86);
  backdrop-filter: blur(10px);
  border-bottom: var(--hair);
}
.topbar__inner{
  max-width: var(--maxw);
  margin:0 auto;
  padding: 14px 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.topbar__brand{display:inline-flex; align-items:center; gap:6px;}
.wm{font-family:var(--display); font-weight:700; font-size:20px; letter-spacing:-0.025em; color:var(--bone); display:inline-flex; align-items:center;}
.wm-pip{display:inline-block; width:7px; height:7px; background:var(--signal); margin-left:6px; margin-top:2px; vertical-align: 0.04em; border-radius:1px;}
.topbar__nav{display:flex; align-items:center; gap:28px; font-size:14px; color:var(--bone-mute);}
.topbar__nav a{transition: color .15s ease;}
.topbar__nav a:hover{color:var(--bone);}
.topbar__cta{
  background: var(--signal);
  color: var(--ink) !important;
  padding: 9px 14px;
  border-radius: 4px;
  font-weight: 500;
}
.topbar__cta:hover{background:var(--signal-d);}

@media (max-width: 740px){
  .topbar__nav a:not(.topbar__cta){display:none;}
}

/* ===================== TYPOGRAPHY ===================== */
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-mute);
  font-weight: 500;
}
.pip{display:inline-block; width:7px; height:7px; background:var(--signal); border-radius:1px;}

.section__num{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--mist);
  margin-bottom: 24px;
  display:inline-flex; align-items:center; gap:10px;
}
.section__num::before{
  content:""; display:inline-block; width:24px; height:1px; background:var(--signal);
}
.section__h{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.032em;
  max-width: 22ch;
  color: var(--bone);
}
.lead{
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--bone-mute);
  max-width: 64ch;
}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--display);
  font-weight:500;
  font-size:15px;
  padding: 13px 20px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
  cursor: pointer;
  line-height: 1;
}
.btn .arrow{transition: transform .15s ease;}
.btn:hover .arrow{transform: translateX(3px);}
.btn--primary{background: var(--signal); color: var(--ink); border-color: var(--signal);}
.btn--primary:hover{background: var(--signal-d); border-color: var(--signal-d);}
.btn--ghost{background: transparent; color: var(--bone); border-color: var(--carbon);}
.btn--ghost:hover{border-color: var(--bone-mute);}
.btn--lg{padding: 16px 24px; font-size: 16px;}
.btn--xl{padding: 18px 28px; font-size: 17px;}

/* ===================== SECTIONS ===================== */
.section{
  padding: var(--s-7) 0;
  border-top: var(--hair);
}
.section--alt{background: #0C1118;}
.section--book{background: var(--slate); border-top: var(--hair);}

/* ===================== HERO ===================== */
.hero{
  padding: 96px 0 80px;
  position: relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-200px; right:-200px;
  width:600px; height:600px;
  background: radial-gradient(circle, rgba(214,238,92,0.06) 0%, rgba(214,238,92,0) 60%);
  pointer-events:none;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 80px;
  align-items: start;
}
.hero__copy{}
.hero__title{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.038em;
  margin-top: 24px;
  max-width: 18ch;
}
.hero__sub{
  margin-top: 28px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--bone-mute);
  max-width: 56ch;
}
.hero__actions{
  margin-top: 36px;
  display:flex; gap:14px; flex-wrap:wrap;
}
.hero__attr{
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.hero__stats{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--carbon);
  border: var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat{
  background: var(--slate);
  padding: 24px 22px;
}
.stat .v{
  font-family: var(--mono);
  font-weight: 500;
  font-size: 26px;
  color: var(--signal);
  letter-spacing: -0.01em;
}
.stat .l{
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mist);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 980px){
  .hero__grid{grid-template-columns: 1fr; gap: 48px;}
  .hero__stats{grid-template-columns: 1fr 1fr;}
}

/* ===================== CALCULATOR ===================== */
.calc{
  margin-top: var(--s-6);
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: var(--slate);
  border: var(--hair);
  border-radius: var(--radius);
  padding: 32px;
}
.calc__inputs{
  display:flex; flex-direction:column; gap: 28px;
  padding-right: 16px;
  border-right: var(--hair);
}

.slider{}
.slider__head{display:flex; justify-content:space-between; align-items:baseline; margin-bottom: 10px;}
.slider__label{font-size:14px; color:var(--bone); font-weight:500;}
.slider__value{
  font-size: 18px;
  color: var(--signal);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.slider__scale{display:flex; justify-content:space-between; margin-top: 8px; font-family:var(--mono); font-size:10px; letter-spacing:0.1em; color:var(--mist); text-transform: uppercase;}

input[type="range"]{
  -webkit-appearance:none; appearance:none;
  width:100%;
  height: 4px;
  background: var(--carbon);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none;
  width: 22px; height: 22px;
  background: var(--signal);
  border: 3px solid var(--ink);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 1px var(--signal);
  transition: transform .12s ease;
}
input[type="range"]::-webkit-slider-thumb:hover{transform: scale(1.1);}
input[type="range"]::-moz-range-thumb{
  width: 22px; height: 22px;
  background: var(--signal);
  border: 3px solid var(--ink);
  border-radius: 50%;
  cursor: pointer;
}

.calc__output{
  display:flex; flex-direction:column; gap: 22px;
  padding-left: 12px;
}
.calc__readout{
  background: var(--ink);
  border: 1px solid var(--signal);
  border-radius: var(--radius);
  padding: 22px;
}
.calc__readout-label{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-mute);
}
.calc__readout-figure{
  margin-top: 6px;
  font-size: clamp(38px, 5vw, 56px);
  color: var(--signal);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}
.calc__readout-sub{
  margin-top: 8px;
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.calc__breakdown{display:flex; flex-direction:column; gap:10px;}
.bd__row{
  display:grid;
  grid-template-columns: 80px 1fr auto;
  gap: 14px;
  align-items: center;
}
.bd__bar{
  height: 6px;
  background: var(--carbon);
  border-radius: 3px;
  overflow: hidden;
}
.bd__bar-fill{
  height: 100%;
  background: var(--signal);
  transition: width .25s ease;
}
.bd__label{font-size:13px; color:var(--bone-mute); line-height:1.35;}
.bd__value{font-size:13px; color:var(--bone); font-weight:500;}

.calc__cta{
  margin-top: 4px;
}
.calc__cta .btn{width:100%; justify-content:center;}
.calc__note{
  margin-top: 12px;
  font-size: 12px;
  color: var(--mist);
  line-height: 1.5;
}

.calc__disclaimer{
  margin-top: 24px;
  font-size: 11px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

@media (max-width: 900px){
  .calc{grid-template-columns: 1fr; padding: 24px;}
  .calc__inputs{border-right:none; border-bottom: var(--hair); padding-right:0; padding-bottom: 28px;}
  .calc__output{padding-left:0;}
  .bd__row{grid-template-columns: 60px 1fr auto;}
}

/* ===================== PAIN ===================== */
.pain-grid{
  margin-top: var(--s-6);
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--carbon);
  border: var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}
.pain{
  background: var(--slate);
  padding: 28px 26px;
  display:flex; flex-direction: column; gap: 12px;
}
.pain__num{
  font-size: 12px;
  color: var(--signal);
  letter-spacing: 0.14em;
}
.pain__title{
  font-family: var(--display);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--bone);
}
.pain__body{
  font-size: 14px;
  color: var(--bone-mute);
  line-height: 1.55;
}

.pull{
  margin-top: var(--s-6);
  padding: 40px;
  border: 1px solid var(--carbon);
  border-left: 3px solid var(--signal);
  background: var(--slate);
  border-radius: var(--radius);
  position: relative;
}
.pull__mark{
  display:none;
}
.pull__text{
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--bone);
  max-width: 36ch;
}
.pull__attr{
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

@media (max-width: 900px){
  .pain-grid{grid-template-columns: 1fr 1fr;}
}
@media (max-width: 600px){
  .pain-grid{grid-template-columns: 1fr;}
}

/* ===================== DO / DON'T ===================== */
.do-grid{
  margin-top: var(--s-6);
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--carbon);
  border: var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}
.do-col{
  background: var(--slate);
  padding: 32px;
}
.do-col__h{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
  font-weight: 500;
  margin-bottom: 22px;
}
.do-col__list{
  list-style:none; padding:0; margin:0;
  display:flex; flex-direction:column; gap: 16px;
}
.do-col__list li{
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  color: var(--bone-mute);
  line-height: 1.5;
}
.do-col__list li::before{
  content:"";
  position:absolute; left:0; top:9px;
  width: 16px; height: 2px;
}
.do-col__list--yes li::before{background: var(--signal);}
.do-col__list--no  li::before{background: var(--carbon);}

@media (max-width: 800px){
  .do-grid{grid-template-columns: 1fr;}
}

/* ===================== STEPS ===================== */
.steps{
  margin-top: var(--s-6);
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--carbon);
  border: var(--hair);
  border-radius: var(--radius);
  overflow:hidden;
  counter-reset: step;
}
.step{
  background: var(--slate);
  padding: 32px;
  position: relative;
}
.step__head{
  display:flex; flex-direction:column; gap: 6px; margin-bottom: 16px;
}
.step__num{
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
}
.step__title{
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--bone);
}
.step__body{
  font-size: 14px;
  color: var(--bone-mute);
  line-height: 1.6;
}
@media (max-width: 900px){
  .steps{grid-template-columns: 1fr;}
}

/* ===================== FAQ ===================== */
.faq{
  margin-top: var(--s-6);
  border-top: var(--hair);
}
.faq__item{
  border-bottom: var(--hair);
  padding: 4px 0;
}
.faq__q{
  list-style: none;
  cursor: pointer;
  padding: 22px 4px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.015em;
  color: var(--bone);
  display:flex; justify-content:space-between; align-items:center;
  gap: 24px;
  transition: color .15s ease;
}
.faq__q::-webkit-details-marker{display:none;}
.faq__q::after{
  content:"+";
  font-family: var(--mono);
  font-size: 22px;
  color: var(--signal);
  transition: transform .15s ease;
  line-height: 1;
}
.faq__item[open] .faq__q::after{content:"−";}
.faq__q:hover{color: var(--signal);}
.faq__a{
  padding: 0 4px 24px;
  font-size: 15px;
  color: var(--bone-mute);
  line-height: 1.6;
  max-width: 72ch;
}

/* ===================== BOOK ===================== */
.book{
  text-align: left;
  max-width: 800px;
}
.book__h{
  margin-top: 20px;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--bone);
}
.book__sub{
  margin-top: 24px;
  font-size: 17px;
  color: var(--bone-mute);
  line-height: 1.55;
  max-width: 60ch;
}
.book__actions{
  margin-top: 32px;
  display:flex; gap:14px; flex-wrap:wrap;
}
.book__meta{
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  font-size: 12px;
  color: var(--bone-mute);
  border-top: var(--hair);
  padding-top: 20px;
  max-width: 720px;
}
.book__meta .lbl{
  display:block;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 4px;
}
@media (max-width: 700px){
  .book__meta{grid-template-columns: 1fr;}
}

/* ===================== FOOTER ===================== */
.footer{
  border-top: var(--hair);
  padding: 40px 0 60px;
  background: var(--ink);
}
.footer__inner{
  display:flex; justify-content:space-between; align-items:flex-start; gap:24px;
  flex-wrap: wrap;
}
.footer__brand{display:flex; flex-direction:column; gap: 10px;}
.footer__tag{
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}
.footer__meta{
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
  line-height: 1.7;
  text-align: right;
}
@media (max-width: 600px){
  .footer__meta{text-align: left;}
}