/* ════════════════════════════════════════════════════════════════
   Home page — hero, problem, benefits, how-it-works, segments,
   credibility, testimonial, affordability, final CTA.
   ════════════════════════════════════════════════════════════════ */

/* ── HERO ────────────────────────────────────── */
.hero{
  min-height:calc(100vh - 72px);
  display:flex;flex-direction:column;justify-content:center;
  padding:80px 0 60px;
  background:var(--paper);
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  /* background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px); */

  background-size:64px 64px;
  opacity:.5;pointer-events:none;z-index:0;
}
.hero-grid{
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;
  align-items:center;position:relative;z-index:1;
}
.hero-tag{margin-bottom:24px;}
.hero-copy h1{
  font-family:'Montserrat',sans-serif;
  /* font-size:clamp(44px,6.5vw,88px); */
  font-size:clamp(35px,6vw,75px);
  font-weight:900;line-height:1.0;
  color:var(--navy);letter-spacing:-.03em;
  margin-top:14px;
}
.fill-word{
  display:inline;position:relative;
  color:transparent;
  background:linear-gradient(to top, var(--blue) var(--fill,0%), transparent var(--fill,0%));
  -webkit-background-clip:text;background-clip:text;
  transition:--fill .0s;
}
.fill-word.animating{
  animation:waterFill 1.4s cubic-bezier(.25,.1,.2,1) forwards;
  animation-delay:.4s;
}
@property --fill{syntax:'<percentage>';initial-value:0%;inherits:false;}
@keyframes waterFill{
  0%{--fill:0%;}
  100%{--fill:100%;}
}
@supports not (background:paint(something)){
  .fill-word{color:var(--blue);}
}
.hero-copy .sub{
  margin-top:26px;
  font-size:clamp(16px,1.4vw,19px);
  line-height:1.65;
  color:var(--ink-soft);
  max-width:520px;
}
.hero-actions{margin-top:36px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.hero-strip{
  margin-top:22px;padding-top:22px;border-top:1px solid var(--line);
  font-family:'Montserrat',sans-serif;font-size:12px;font-weight:600;
  color:var(--ink-soft);letter-spacing:.04em;display:flex;align-items:center;gap:8px;
}
.hero-strip .pips{display:flex;gap:4px;}
.hero-strip .pips span{width:6px;height:6px;border-radius:50%;background:var(--blue);display:block;}
.hero-strip .pips span:nth-child(2){background:var(--navy);opacity:.5;}
.hero-strip .pips span:nth-child(3){background:var(--navy);opacity:.25;}

.hero-frame{position:relative;}
.hero-img-box{
  background:var(--blue-pale);
  border-radius:var(--r-lg);
  aspect-ratio:4/5;
  overflow:hidden;
  position:relative;
  box-shadow:var(--sh-lg);
}
.hero-img-box img{width:100%;height:100%;object-fit:cover;}
.hero-img-placeholder{
  width:100%;height:100%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;color:var(--blue);opacity:.45;
  font-family:'Montserrat',sans-serif;font-size:12px;font-weight:600;letter-spacing:.06em;text-align:center;padding:24px;
}
.hero-img-placeholder svg{width:48px;height:48px;}
.hero-badge{
  position:absolute;bottom:28px;left:-28px;
  background:var(--white);border-radius:var(--r);padding:16px 20px;
  box-shadow:var(--sh-lg);border:1px solid var(--line);min-width:180px;
}
.hero-badge-label{font-family:'Montserrat',sans-serif;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:4px;}
.hero-badge-val{font-family:'Montserrat',sans-serif;font-size:18px;font-weight:900;color:var(--navy);}
.hero-badge-sub{font-size:12px;color:var(--ink-soft);margin-top:2px;}

/* ── PROBLEM SECTION ─────────────────────────── */
.problem{background:var(--navy);padding:120px 0;position:relative;overflow:hidden;}
.problem-contaminants{position:absolute;inset:0;pointer-events:none;z-index:0;display:flex;align-items:center;justify-content:center;}
.contaminant{
  position:absolute;font-family:'Montserrat',sans-serif;font-size:clamp(40px,7vw,110px);
  font-weight:900;color:rgba(58,124,166,.12);letter-spacing:-.02em;
  text-transform:uppercase;user-select:none;
  opacity:0;transition:opacity 1.2s ease;
}
.contaminant.c1{top:8%;left:2%;transform:rotate(-4deg);}
.contaminant.c2{top:12%;right:4%;transform:rotate(3deg);}
.contaminant.c3{bottom:18%;left:8%;transform:rotate(-2deg);}
.contaminant.c4{bottom:12%;right:2%;transform:rotate(5deg);}
.contaminant.visible{opacity:1;}

.problem-inner{position:relative;z-index:1;max-width:800px;margin:0 auto;text-align:center;}
.problem-inner .eyebrow{color:var(--blue-lt);}
.problem-inner h2{
  font-family:'Montserrat',sans-serif;font-size:clamp(34px,4.5vw,58px);
  font-weight:900;color:#fff;line-height:1.08;letter-spacing:-.025em;
  margin-top:18px;margin-bottom:32px;
}
.problem-inner h2 em{font-style:normal;color:var(--blue-lt);}
.problem-body{font-size:clamp(16px,1.4vw,19px);color:rgba(255,255,255,.72);line-height:1.75;max-width:860px;margin:0 auto;}
.problem-body strong{color:#fff;font-weight:600;}
.problem-punchline{
  margin-top:48px;
  font-family:'Montserrat',sans-serif;font-size:clamp(18px,2.4vw,28px);
  font-weight:800;color:var(--blue-lt);
  display:flex;align-items:center;justify-content:center;gap:14px;
}
.problem-punchline::before,.problem-punchline::after{content:'';display:block;height:2px;width:40px;background:linear-gradient(90deg,transparent,var(--blue-lt));}
.problem-punchline::after{transform:scaleX(-1);}

/* ── BENEFITS ────────────────────────────────── */
.benefits{padding:120px 0;background:var(--white);}
.benefits-header{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:64px;}
.benefits-header h2{font-family:'Montserrat',sans-serif;font-size:clamp(28px,3.5vw,46px);font-weight:900;color:var(--navy);line-height:1.1;letter-spacing:-.025em;max-width:460px;}
.benefits-header p{max-width:320px;color:var(--ink-soft);line-height:1.65;flex-shrink:0;font-size:15.5px;}

.benefit-row{
  display:grid;grid-template-columns:32px 1fr 2fr auto;
  align-items:start;gap:24px 32px;
  padding:28px 0;border-top:1px solid var(--line);
  cursor:default;transition:background .15s;
}
.benefit-row:last-child{border-bottom:1px solid var(--line);}
.benefit-row:hover{background:var(--blue-pale);margin:0 -48px;padding:28px 48px;}
.benefit-num{font-family:'Montserrat',sans-serif;font-size:11px;font-weight:700;color:var(--blue);letter-spacing:.1em;padding-top:3px;}
.benefit-title{font-family:'Montserrat',sans-serif;font-size:clamp(16px,1.5vw,20px);font-weight:800;color:var(--navy);line-height:1.25;}
.benefit-desc{color:var(--ink-soft);line-height:1.65;font-size:15.5px;}
.benefit-icon{width:44px;height:44px;border-radius:var(--r);background:var(--navy);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.benefit-icon svg{width:22px;height:22px;color:#fff;}

/* ── HOW IT WORKS ────────────────────────────── */
.how{background:var(--paper);padding:120px 0;}
.how-header{text-align:center;margin-bottom:72px;}
.how-header h2{font-family:'Montserrat',sans-serif;font-size:clamp(28px,3.5vw,46px);font-weight:900;color:var(--navy);line-height:1.1;letter-spacing:-.025em;margin-top:16px;}
.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;}
.how-steps::before{
  content:'';position:absolute;top:44px;left:calc(16.67% + 24px);right:calc(16.67% + 24px);
  height:2px;background:linear-gradient(90deg,var(--blue) 0%,var(--blue-lt) 50%,var(--blue) 100%);z-index:0;
}
.how-step{padding:0 32px;text-align:center;position:relative;z-index:1;}
.how-step:first-child{padding-left:0;text-align:left;}
.how-step:last-child{padding-right:0;text-align:right;}
.step-num{
  width:88px;height:88px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:'Montserrat',sans-serif;font-size:32px;font-weight:900;
  border:2px solid var(--blue);background:var(--white);color:var(--blue);
  margin-bottom:28px;transition:background .2s,color .2s;
}
.how-step:first-child .step-num{margin-left:0;}
.how-step:last-child .step-num{margin-right:0;margin-left:auto;}
.how-step:hover .step-num{background:var(--blue);color:#fff;}
.how-step h3{font-family:'Montserrat',sans-serif;font-size:20px;font-weight:800;color:var(--navy);margin-bottom:12px;}
.how-step p{color:var(--ink-soft);line-height:1.65;font-size:15px;}
.how-optional{
  margin-top:56px;text-align:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 40px;max-width:680px;margin-left:auto;margin-right:auto;
}
.how-optional p{color:var(--ink-soft);font-size:14.5px;line-height:1.7;}
.how-optional strong{color:var(--navy);}

/* ── SEGMENTS ────────────────────────────────── */
.segments{padding:0;background:var(--white);border-top:1px solid var(--line);}
.segments-head{padding:100px 0 0;}
.segments-head h2{font-family:'Montserrat',sans-serif;font-size:clamp(28px,3.5vw,46px);font-weight:900;color:var(--navy);line-height:1.1;letter-spacing:-.025em;margin-top:16px;max-width:600px;}
.segments-sub{margin-top:16px;color:var(--ink-soft);font-size:15.5px;max-width:480px;line-height:1.6;}

.segment-list{margin-top:56px;}
.segment-item{
  display:grid;grid-template-columns:1fr auto;align-items:center;
  border-top:1px solid var(--line);padding:0;
  transition:background .2s,padding .3s;cursor:pointer;overflow:hidden;
}
.segment-item:last-child{border-bottom:1px solid var(--line);}
.segment-item-inner{padding:28px 0;}
.segment-num{font-family:'Montserrat',sans-serif;font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--blue);margin-bottom:6px;}
.segment-label{font-family:'Montserrat',sans-serif;font-size:clamp(20px,2.5vw,34px);font-weight:900;color:var(--navy);line-height:1.1;transition:color .2s;}
.segment-desc{
  font-size:14.5px;color:var(--ink-soft);line-height:1.65;
  max-height:0;overflow:hidden;
  transition:max-height .4s ease,margin .4s ease,opacity .3s;opacity:0;margin-top:0;
}
.segment-arrow{
  width:52px;height:52px;border-radius:50%;border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:background .2s,border-color .2s,transform .3s;margin-right:0;
}
.segment-arrow svg{width:20px;height:20px;color:var(--navy);transition:color .2s;}
.segment-item:hover{background:var(--blue-pale);}
.segment-item:hover .segment-label{color:var(--blue);}
.segment-item:hover .segment-arrow{background:var(--blue);border-color:var(--blue);transform:translateX(4px);}
.segment-item:hover .segment-arrow svg{color:#fff;}
.segment-item:hover .segment-desc{max-height:80px;opacity:1;margin-top:10px;}
.segments-cta{padding:48px 0 100px;}

/* ── CREDIBILITY ─────────────────────────────── */
.credibility{background:var(--navy);padding:120px 0;position:relative;overflow:hidden;}
.credibility::before{
  content:'';position:absolute;bottom:-120px;right:-80px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(58,124,166,.18) 0%,transparent 70%);pointer-events:none;
}
.cred-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}
.cred-stats{display:flex;flex-direction:column;gap:48px;}
.cred-stat-num{
  font-family:'Montserrat',sans-serif;font-size:clamp(56px,7vw,96px);font-weight:900;line-height:1;
  color:#fff;letter-spacing:-.04em;display:flex;align-items:baseline;gap:6px;
}
.cred-stat-num .sup{font-size:.38em;color:var(--blue-lt);font-weight:700;letter-spacing:-.01em;align-self:flex-start;margin-top:.2em;}
.cred-stat-label{font-family:'Montserrat',sans-serif;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-top:8px;}
.cred-divider{width:56px;height:3px;background:var(--blue);border-radius:3px;}
.cred-text .eyebrow{color:var(--blue-lt);}
.cred-text h2{font-family:'Montserrat',sans-serif;font-size:clamp(26px,2.8vw,38px);font-weight:900;color:#fff;line-height:1.18;letter-spacing:-.02em;margin-top:18px;margin-bottom:24px;}
.cred-text p{color:rgba(255,255,255,.7);line-height:1.75;font-size:16px;}
.cred-text p strong{color:#fff;}
.cred-values{margin-top:36px;display:flex;flex-direction:column;gap:14px;}
.cred-val{display:flex;align-items:center;gap:12px;font-family:'Montserrat',sans-serif;font-size:14px;font-weight:600;color:rgba(255,255,255,.8);}
.cred-val svg{width:18px;height:18px;color:var(--blue-lt);flex-shrink:0;}

/* ── TESTIMONIAL ─────────────────────────────── */
.testimonial{padding:120px 0;background:var(--paper);}
.testimonial-inner{max-width:760px;margin:0 auto;text-align:center;}
.quote-mark{font-family:'Montserrat',sans-serif;font-size:96px;line-height:.7;color:var(--blue);font-weight:900;margin-bottom:16px;display:block;opacity:.25;}
.testimonial-inner blockquote{font-family:'Montserrat',sans-serif;font-size:clamp(20px,2.4vw,30px);font-weight:700;color:var(--navy);line-height:1.45;letter-spacing:-.01em;font-style:italic;}
.testimonial-inner blockquote strong{font-style:normal;color:var(--blue);}
.stars{display:flex;justify-content:center;gap:5px;margin:28px 0 24px;}
.stars svg{width:22px;height:22px;fill:#F59E0B;}
.testimonial-attr{display:flex;align-items:center;justify-content:center;gap:14px;}
.attr-avatar{width:48px;height:48px;border-radius:50%;background:var(--blue-pale);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.attr-avatar svg{width:24px;height:24px;color:var(--blue);}
.attr-name{font-family:'Montserrat',sans-serif;font-size:15px;font-weight:700;color:var(--navy);}
.attr-place{font-size:13px;color:var(--ink-soft);margin-top:2px;}

/* ── AFFORDABILITY STRIP ─────────────────────── */
.afford{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0;}
.afford-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;}
.afford-item{display:flex;flex-direction:column;gap:10px;}
.afford-icon{width:48px;height:48px;border-radius:var(--r);background:var(--blue-pale);display:flex;align-items:center;justify-content:center;}
.afford-icon svg{width:24px;height:24px;color:var(--blue);}
.afford-title{font-family:'Montserrat',sans-serif;font-size:15px;font-weight:800;color:var(--navy);}
.afford-desc{font-size:14px;color:var(--ink-soft);line-height:1.6;}

/* ── FINAL CTA ───────────────────────────────── */
.final-cta{background:var(--blue);padding:120px 0;text-align:center;position:relative;overflow:hidden;}
.final-cta::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:48px 48px;pointer-events:none;
}
.final-cta-inner{position:relative;z-index:1;}
.final-cta h2{font-family:'Montserrat',sans-serif;font-size:clamp(32px,4.5vw,60px);font-weight:900;color:#fff;line-height:1.1;letter-spacing:-.025em;margin-bottom:20px;}
.final-cta p{color:rgba(255,255,255,.8);font-size:17px;margin-bottom:40px;max-width:460px;margin-left:auto;margin-right:auto;line-height:1.6;}
.final-cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;align-items:center;}

/* ── RESPONSIVE ──────────────────────────────── */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-img-box{max-height:380px;aspect-ratio:unset;}
  .hero-frame{order:-1;}
  .hero-badge{left:-12px;bottom:20px;}
  .cred-grid{grid-template-columns:1fr;gap:56px;}
}
@media(max-width:768px){
  .hero{padding:56px 0 48px;}
  .benefits-header{flex-direction:column;align-items:flex-start;gap:16px;}
  .benefit-row{grid-template-columns:32px 1fr;grid-template-rows:auto auto;gap:12px 16px;}
  .benefit-row:hover{margin:0 -20px;padding:28px 20px;}
  .benefit-desc{grid-column:2;}
  .benefit-icon{display:none;}
  .how-steps{grid-template-columns:1fr;gap:48px;}
  .how-steps::before{display:none;}
  .how-step,.how-step:first-child,.how-step:last-child{padding:0;text-align:left;}
  .how-step:last-child .step-num{margin-left:0;}
  .afford-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .problem{padding:80px 0;}
}
@media(max-width:480px){
  .afford-grid{grid-template-columns:1fr;}
  .final-cta{padding:80px 0;}
}