/* ===================================================================
   NEUROFLUSH — neurosflush.com
   Palette : navy #1B2340 | navy-dk #12172B | cyan #2EC4D6 | cyan-dk #229EAD
             coral #E8735C | coral-dk #C25A45 | cream #F6F8FA | sand #EAF0F3
             slate #545E68 | line #DEE6EA
   Type    : 'Poppins' (600/700 display) + 'Inter' (body) — clean, modern,
             friendly geometric pairing distinct from every other build
             this session
   Motif   : signal path — a branching nerve-axon line where a glowing
             pulse travels smoothly and continuously from one end to the
             other, representing healthy signal transmission (distinct
             from every prior signature: no rings, waves, gates or nodes
             used this way before)
   Layout  : HERO IMAGE ON THE RIGHT, soft synapse-dot backdrop
   Rules   : grids minmax(0,1fr) · flex min-width:0 · img max-width min(Npx,100%)
             mobile hero order = IMAGE first, then H1, then rest
=================================================================== */

:root{
  --navy:#1B2340;
  --navy-dk:#12172B;
  --cyan:#2EC4D6;
  --cyan-dk:#229EAD;
  --coral:#E8735C;
  --coral-dk:#C25A45;
  --cream:#F6F8FA;
  --sand:#EAF0F3;
  --slate:#545E68;
  --line:#DEE6EA;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:#1B2028;font-family:'Inter',system-ui,sans-serif;
  font-size:17px;line-height:1.72;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Poppins',system-ui,sans-serif;font-weight:700;line-height:1.24;margin:0 0 .5em;
  color:var(--navy);overflow-wrap:break-word;word-break:break-word}
h1{font-size:clamp(2rem,5vw,2.9rem)}
h2{font-size:clamp(1.5rem,3vw,2rem)}
h3{font-size:1.2rem}
h4{font-family:'Poppins',sans-serif;font-weight:600;font-size:1rem;margin:0 0 .5em;color:var(--navy)}
p{margin:0 0 1.15em}
a{color:inherit;text-decoration:none}
strong,b{color:var(--navy)}
img{max-width:100%;height:auto;display:block}
.nrf-wrap{max-width:1160px;margin:0 auto;padding:0 22px}
.nrf-narrow{max-width:830px;margin:0 auto}
.nrf-mid{text-align:center}

.nrf-eyebrow{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.15em;
  text-transform:uppercase;color:var(--coral-dk);margin-bottom:.8em}
.nrf-pill{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:9px 19px;font-size:.8rem;font-weight:700;color:var(--navy);
  box-shadow:0 4px 14px rgba(27,35,64,.07)}

.nrf-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--navy);
  color:#fff;font-weight:700;font-size:.98rem;padding:15px 30px;border:none;border-radius:8px;cursor:pointer;
  transition:transform .16s,box-shadow .16s,background .16s;box-shadow:0 10px 24px rgba(27,35,64,.26)}
.nrf-btn:hover{background:var(--navy-dk);transform:translateY(-2px);color:#fff}
.nrf-btn-coral{background:var(--coral);box-shadow:0 10px 24px rgba(232,115,92,.34)}
.nrf-btn-coral:hover{background:var(--coral-dk)}
.nrf-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:#fff;
  border:1px solid var(--line);color:var(--navy);font-weight:700;font-size:.95rem;padding:14px 26px;
  border-radius:8px;transition:.16s}
.nrf-btn-ghost:hover{border-color:var(--cyan);color:var(--cyan-dk)}
.nrf-btn-full{width:100%}

.nrf-strip{background:var(--navy);color:#B9C1D6;font-size:.76rem;text-align:center;padding:9px 16px}
.nrf-strip b{color:var(--cyan)}
.nrf-strip span{white-space:nowrap;margin:0 10px;display:inline-block}
@media(max-width:580px){.nrf-strip{font-size:.7rem;line-height:1.55}.nrf-strip span{white-space:normal;margin:0 6px}}

.nrf-nav{position:sticky;top:0;z-index:900;background:rgba(246,248,250,.94);backdrop-filter:blur(9px);
  border-bottom:1px solid var(--line)}
.nrf-nav .nrf-wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 22px}
.nrf-logo{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.3rem;color:var(--navy);white-space:nowrap}
.nrf-logo em{font-style:normal;color:var(--cyan-dk)}
.nrf-links{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.nrf-links a{font-size:.89rem;font-weight:700;color:var(--navy);opacity:.82}
.nrf-links a:hover{opacity:1;color:var(--cyan-dk)}
.nrf-links a.nrf-btn,.nrf-links a.nrf-btn:hover{color:#fff;opacity:1}
.nrf-toggle{display:none;background:none;border:none;color:var(--navy);font-size:1.5rem;cursor:pointer;line-height:1}
@media(max-width:1020px){
  .nrf-links{position:absolute;top:100%;left:0;right:0;background:var(--cream);flex-direction:column;
    align-items:stretch;gap:0;border-top:1px solid var(--line);display:none;max-height:76vh;overflow:auto}
  .nrf-links.open{display:flex}
  .nrf-links li{border-bottom:1px solid var(--line)}
  .nrf-links a{display:block;padding:15px 22px}
  .nrf-links .nrf-btn{margin:14px 22px;width:calc(100% - 44px)}
  .nrf-toggle{display:block}
}

.nrf-sec{padding:76px 0}
.nrf-sec-sand{background:var(--sand)}
.nrf-sec-dark{background:var(--navy);color:#B9C1D6}
.nrf-sec-dark h2,.nrf-sec-dark h3,.nrf-sec-dark h4{color:#fff}
.nrf-sec-dark .nrf-eyebrow{color:#F2A896}
.nrf-head{max-width:770px;margin:0 auto 44px;text-align:center}
.nrf-head p{color:var(--slate)}
.nrf-sec-dark .nrf-head p{color:#A9B2C4}

.nrf-hero{background:var(--cream);padding:52px 0 68px;overflow:hidden;position:relative}
.nrf-hero::before{content:'';position:absolute;top:-6%;right:-6%;width:600px;height:600px;border-radius:50%;
  background-image:radial-gradient(circle, rgba(46,196,214,.13) 1.8px, transparent 1.8px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(circle at center, black 0%, black 50%, transparent 70%);
  mask-image:radial-gradient(circle at center, black 0%, black 50%, transparent 70%);z-index:0}
.nrf-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:50px;align-items:center;
  position:relative;z-index:1}
.nrf-hero-shot{text-align:center;order:2}
.nrf-hero-copy{order:1}
.nrf-hero-shot img{max-width:min(230px,100%);margin:0 auto;filter:drop-shadow(0 26px 40px rgba(27,35,64,.2))}
.nrf-hero h1 em{font-style:normal;color:var(--coral)}
.nrf-lede{font-size:1.05rem;color:var(--slate);max-width:37em}

.nrf-answer{background:#fff;border-left:4px solid var(--cyan);border-radius:0 10px 10px 0;
  padding:23px 25px;margin:0 0 22px;box-shadow:0 8px 24px rgba(27,35,64,.08)}
.nrf-answer .tag{display:block;font-size:.68rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--coral-dk);margin-bottom:9px}
.nrf-answer p{margin:0;color:var(--slate)}
.nrf-answer p.first{color:var(--navy);font-weight:700;margin-bottom:.75em}

.nrf-facts{display:flex;flex-wrap:wrap;gap:9px;list-style:none;margin:0 0 22px;padding:0}
.nrf-facts li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;
  font-size:.8rem;font-weight:700;color:var(--navy)}

.nrf-check{list-style:none;margin:0 0 24px;padding:0}
.nrf-check li{position:relative;padding-left:32px;margin-bottom:11px;font-size:.96rem;font-weight:500}
.nrf-check li::before{content:'';position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(46,196,214,.16)}
.nrf-check li::after{content:'\2713';position:absolute;left:4px;top:6.5px;color:#fff;font-size:.62rem;font-weight:800}

.nrf-figures{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 26px}
.nrf-figures div{background:#fff;border:1px solid var(--line);border-radius:9px;padding:14px 8px;text-align:center}
.nrf-figures b{display:block;font-family:'Poppins',sans-serif;font-weight:700;font-size:1.4rem;color:var(--navy);line-height:1.1}
.nrf-figures span{font-size:.7rem;font-weight:700;color:var(--slate);text-transform:uppercase;letter-spacing:.05em}

.nrf-hero-btns{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:20px}
.nrf-hero-trust{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.78rem;font-weight:700;color:var(--slate)}

@media(max-width:920px){
  .nrf-hero::before{display:none}
  .nrf-hero-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .nrf-hero-copy{display:contents}
  .nrf-hero-shot{order:1}
  .nrf-hero-title{order:2}
  .nrf-hero-rest{order:3}
  .nrf-hero-shot img{max-width:min(190px,100%)}
}

/* ---------- signal-path signature ---------- */
.nrf-signal{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 18px 16px;
  box-shadow:0 8px 22px rgba(27,35,64,.06);text-align:center}
.nrf-signal h4{font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;color:var(--coral-dk);
  margin-bottom:10px;font-family:'Inter',sans-serif;font-weight:700}
.nrf-signal svg{display:block;margin:0 auto}
.nrf-axon{fill:none;stroke:var(--line);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.nrf-pulse{fill:var(--cyan);filter:drop-shadow(0 0 5px rgba(46,196,214,.7))}
.nrf-signal-cap{font-size:.72rem;font-weight:700;color:var(--slate);margin-top:8px}

.nrf-grid{display:grid;gap:20px}
.nrf-g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.nrf-g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.nrf-g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:980px){.nrf-g4{grid-template-columns:repeat(2,minmax(0,1fr))}.nrf-g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.nrf-g4,.nrf-g3,.nrf-g2{grid-template-columns:minmax(0,1fr)}}

.nrf-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 22px}
.nrf-card p{color:var(--slate);font-size:.93rem;margin:0}
.nrf-sec-dark .nrf-card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16)}
.nrf-sec-dark .nrf-card p{color:#A9B2C4}
.nrf-card-badge{text-align:center}
.nrf-card-badge img{max-width:min(135px,100%);margin:0 auto 14px;border-radius:6px}

.nrf-idx{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;
  background:var(--navy);color:#fff;font-family:'Poppins',sans-serif;font-weight:700;font-size:.9rem;margin-bottom:13px}
.nrf-idx-coral{background:var(--coral)}

.nrf-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
@media(max-width:920px){.nrf-split{grid-template-columns:minmax(0,1fr);gap:30px}}
.nrf-split img{max-width:min(460px,100%);margin:0 auto;border-radius:10px}
.nrf-split-copy p{color:var(--slate)}
.nrf-sec-dark .nrf-split-copy p{color:#A9B2C4}

.nrf-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
@media(max-width:780px){.nrf-list{grid-template-columns:minmax(0,1fr)}}
.nrf-list li{background:#fff;border:1px solid var(--line);border-left:3px solid var(--coral);
  border-radius:0 8px 8px 0;padding:15px 18px;font-size:.92rem;color:var(--slate)}
.nrf-list li b{display:block;color:var(--navy);margin-bottom:3px;font-size:.97rem}

.nrf-callout{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px 24px;font-size:.92rem;color:var(--slate)}
.nrf-callout b{color:var(--navy)}
.nrf-callout a{color:var(--cyan-dk);text-decoration:underline;text-underline-offset:3px}
.nrf-flag{background:#FDEFE9;border:1px solid #F0BFA6;border-radius:10px;padding:21px 23px;font-size:.9rem;color:#7A3E24}
.nrf-flag b{color:#9C4E2A}
.nrf-alert{background:#E9F7F8;border:1px solid #B3E4E9;border-radius:10px;padding:21px 23px;font-size:.9rem;color:#1F5C63}
.nrf-alert b{color:var(--cyan-dk)}

.nrf-rev-head{display:flex;align-items:center;gap:13px;margin-bottom:11px}
.nrf-rev-head img{width:52px;height:52px;border-radius:50%;object-fit:cover;flex-shrink:0}
.nrf-rev-name{font-weight:800;font-size:.94rem;color:var(--navy)}
.nrf-rev-sub{font-size:.77rem;color:var(--slate)}
.nrf-stars{color:#E8735C;letter-spacing:2px;font-size:.9rem;margin-bottom:8px}
.nrf-board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;text-align:center;margin-top:34px}
@media(max-width:680px){.nrf-board{grid-template-columns:minmax(0,1fr)}}
.nrf-board b{display:block;font-family:'Poppins',sans-serif;font-weight:700;font-size:1.85rem;color:var(--navy)}
.nrf-board span{font-size:.78rem;font-weight:700;color:var(--slate);text-transform:uppercase;letter-spacing:.08em}

.nrf-plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
@media(max-width:980px){.nrf-plans{grid-template-columns:minmax(0,1fr);max-width:430px;margin:0 auto}}
.nrf-plan{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px 22px;text-align:center;
  display:flex;flex-direction:column;position:relative}
.nrf-plan.top{border-color:var(--cyan);box-shadow:0 24px 46px rgba(46,196,214,.18)}
@media(min-width:981px){.nrf-plan.top{transform:translateY(-10px)}}
.nrf-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;
  font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:6px 16px;border-radius:999px;white-space:nowrap}
.nrf-badge-coral{background:var(--coral);color:#fff}
.nrf-plan img.pk{max-width:min(190px,100%);max-height:170px;width:auto;height:170px;object-fit:contain;margin:8px auto 16px}
.nrf-plan-ttl{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.3rem;color:var(--navy)}
.nrf-plan-sub{font-size:.83rem;color:var(--slate);margin-bottom:14px}
.nrf-plan-price{font-family:'Poppins',sans-serif;font-weight:700;font-size:2.2rem;color:var(--navy);line-height:1}
.nrf-plan-price small{font-family:'Inter',sans-serif;font-size:.8rem;font-weight:700;color:var(--slate)}
.nrf-plan-was{text-decoration:line-through;color:var(--slate);font-size:.86rem;margin:8px 0 2px}
.nrf-plan-tot{font-weight:700;font-size:.97rem;color:var(--navy);margin-bottom:6px}
.nrf-plan-ship{font-size:.83rem;font-weight:800;color:var(--cyan-dk);margin-bottom:12px}
.nrf-plan-ship.pay{color:var(--slate)}
.nrf-plan ul{list-style:none;margin:0 0 18px;padding:0;text-align:left;font-size:.86rem;color:var(--slate)}
.nrf-plan ul li{position:relative;padding-left:21px;margin-bottom:7px}
.nrf-plan ul li::before{content:'\2713';position:absolute;left:0;color:var(--cyan-dk);font-weight:800}
.nrf-plan .nrf-btn{margin-top:auto}
.nrf-plan .cards{max-width:min(165px,100%);margin:13px auto 0;opacity:.6}

.nrf-guar{display:grid;grid-template-columns:auto minmax(0,1fr);gap:40px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:36px}
@media(max-width:820px){.nrf-guar{grid-template-columns:minmax(0,1fr);gap:24px;text-align:center;padding:28px 22px}}
.nrf-guar img{max-width:min(175px,100%);margin:0 auto}
.nrf-guar p{color:var(--slate)}

.nrf-steps{display:grid;gap:15px}
.nrf-step-row{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px 24px;
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:start}
.nrf-step-row .n{width:34px;height:34px;border-radius:50%;background:rgba(46,196,214,.15);color:var(--cyan-dk);
  font-family:'Poppins',sans-serif;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.92rem}
.nrf-step-row p{margin:0;color:var(--slate);font-size:.93rem}

.nrf-faq{border-top:1px solid var(--line)}
.nrf-faq-row{border-bottom:1px solid var(--line)}
.nrf-faq-btn{width:100%;background:none;border:none;text-align:left;cursor:pointer;padding:20px 4px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:'Poppins',sans-serif;font-weight:700;font-size:1.02rem;color:var(--navy)}
.nrf-faq-btn::after{content:'+';font-size:1.5rem;color:var(--cyan-dk);flex-shrink:0;transition:transform .2s}
.nrf-faq-row.on .nrf-faq-btn::after{transform:rotate(45deg)}
.nrf-faq-body{max-height:0;overflow:hidden;transition:max-height .28s ease}
.nrf-faq-body p{padding:0 4px 20px;margin:0;color:var(--slate);font-size:.94rem}

.nrf-refs{list-style:none;margin:0 0 18px;padding:0}
.nrf-refs li{padding:11px 0;border-bottom:1px solid var(--line);font-size:.91rem;color:var(--slate)}
.nrf-refs a{color:var(--cyan-dk);font-weight:600;text-decoration:underline;text-underline-offset:3px}

.nrf-final{background:linear-gradient(150deg,var(--navy) 0%,var(--navy-dk) 100%);border-radius:14px;
  padding:52px 30px;text-align:center}
.nrf-final h2{color:#fff}
.nrf-final p{color:#B9C1D6}
.nrf-final img{max-width:min(260px,100%);margin:22px auto}
.nrf-final .old{color:#B9C1D6;text-decoration:line-through}
.nrf-final .new{font-family:'Poppins',sans-serif;font-weight:700;font-size:2.05rem;color:var(--coral);margin:4px 0 20px}
.nrf-final .sm{font-size:.84rem;color:#B9C1D6;margin:16px 0 0}

.nrf-crumb{font-size:.81rem;color:var(--slate);padding:16px 0 0}
.nrf-crumb a{color:var(--cyan-dk);font-weight:700}
.nrf-crumb i{font-style:normal;margin:0 7px;opacity:.5}

.nrf-rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media(max-width:780px){.nrf-rel{grid-template-columns:minmax(0,1fr)}}
.nrf-rel a{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:19px 20px;transition:.15s}
.nrf-rel a:hover{border-color:var(--cyan);transform:translateY(-2px)}
.nrf-rel b{display:block;font-size:.96rem;color:var(--navy);margin-bottom:5px;font-family:'Poppins',sans-serif}
.nrf-rel span{font-size:.84rem;color:var(--slate)}

.nrf-article h2{margin-top:1.6em}
.nrf-article h3{margin-top:1.35em}
.nrf-article p{color:var(--slate)}
.nrf-article a{color:var(--cyan-dk);text-decoration:underline;text-underline-offset:3px}
.nrf-meta{font-size:.86rem;color:var(--slate);margin-bottom:26px}
.nrf-meta a{color:var(--cyan-dk);font-weight:700}

.nrf-foot{background:var(--navy-dk);color:#8A93A8;padding:48px 0 34px;font-size:.87rem}
.nrf-foot a{color:#CDD3E0}
.nrf-foot a:hover{color:var(--coral)}
.nrf-foot-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 25px;list-style:none;margin:0 0 20px;padding:0;font-weight:700}
.nrf-foot-legal{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 21px;list-style:none;margin:0 0 26px;padding:0;font-size:.84rem}
.nrf-foot hr{border:none;border-top:1px solid rgba(255,255,255,.1);margin:22px 0}
.nrf-foot p{margin:0 0 14px;line-height:1.68}
.nrf-foot .cr{text-align:center;font-size:.84rem;opacity:.85;margin-top:22px}

.nrf-sticky{position:fixed;left:0;right:0;bottom:0;z-index:950;background:var(--navy-dk);
  border-top:2px solid var(--coral);padding:9px 15px;display:none;align-items:center;justify-content:space-between;
  gap:12px;box-shadow:0 -8px 24px rgba(0,0,0,.2)}
.nrf-sticky .t{min-width:0;line-height:1.25;color:#fff}
.nrf-sticky .t b{display:block;font-size:.92rem;color:var(--coral);font-family:'Poppins',sans-serif}
.nrf-sticky .t small{color:#B9C1D6;font-size:.71rem}
.nrf-sticky .nrf-btn{padding:11px 18px;font-size:.86rem;flex-shrink:0}
@media(max-width:920px){.nrf-sticky{display:flex}body{padding-bottom:68px}}