/* NervEase Official — USA
   Theme: "Quiet Clinic" — warm ivory, deep pine-teal, clay accent.
   Type: Spectral (display serif) + Hanken Grotesk (UI/body).
   Distinct from sibling sites by design intent. */

:root{
  --paper:#f7f5ef;
  --paper-2:#efece2;
  --card:#ffffff;
  --ink:#16302a;
  --ink-soft:#274a42;
  --muted:#5f6f67;
  --line:#e4dfd1;
  --line-2:#d7d1c0;
  --pine:#1f6f5c;
  --pine-deep:#154d41;
  --pine-tint:#e7f0ec;
  --clay:#c2733a;
  --clay-deep:#a85f2c;
  --gold:#b08948;
  --shadow:0 1px 2px rgba(20,40,35,.04),0 18px 44px -28px rgba(20,40,35,.35);
  --shadow-lg:0 30px 70px -40px rgba(20,40,35,.5);
  --radius:18px;
  --radius-sm:12px;
  --wrap:1140px;
  --serif:"Spectral",Georgia,"Times New Roman",serif;
  --sans:"Hanken Grotesk",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--pine-deep);text-decoration:none}
a:hover{color:var(--clay-deep)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.center{text-align:center}

h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:600;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,5.2vw,3.7rem);font-weight:500}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:500}
h3{font-size:1.24rem}
p{margin:0 0 1rem}
.lead{font-size:1.16rem;color:var(--ink-soft);line-height:1.6}
.muted{color:var(--muted)}

/* ---- kicker / eyebrow ---- */
.kicker{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--sans);
  font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--pine);margin-bottom:1rem}
.kicker::before{content:"";width:26px;height:1.5px;background:var(--clay);display:inline-block}
.kicker.center{justify-content:center}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--sans);font-weight:700;font-size:.98rem;letter-spacing:.01em;
  padding:.85rem 1.5rem;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:.2s ease;line-height:1;text-align:center}
.btn small{font-weight:500;opacity:.8;font-size:.8em}
.btn--pine{background:var(--pine-deep);color:#fff}
.btn--pine:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn--clay{background:var(--clay);color:#fff}
.btn--clay:hover{background:var(--clay-deep);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--pine);color:var(--pine-deep)}
.btn--xl{padding:1.05rem 1.9rem;font-size:1.05rem}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.6rem}
.btn-row.center{justify-content:center}

/* ---- promo ribbon ---- */
.promo{background:var(--ink);color:#f1efe6;text-align:center;
  font-size:.82rem;letter-spacing:.02em;padding:.55rem 16px}
.promo strong{color:#fff}

/* ---- header ---- */
.masthead{position:sticky;top:0;z-index:50;background:rgba(247,245,239,.86);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:18px}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--serif);
  font-size:1.4rem;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.brand .reg{font-size:.62rem;color:var(--pine);vertical-align:super;font-family:var(--sans)}
.brand .logo{width:38px;height:38px;flex:none}
.nav-menu{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-menu a{font-size:.94rem;font-weight:600;color:var(--ink-soft)}
.nav-menu a:hover{color:var(--pine-deep)}
.nav-cta .btn{padding:.62rem 1.2rem}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;color:var(--ink);cursor:pointer}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;
  background:
    radial-gradient(120% 90% at 90% -10%,var(--pine-tint),transparent 60%),
    linear-gradient(180deg,var(--paper),var(--paper-2));
  border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:74px 0 84px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:1.4rem}
.chip{display:inline-flex;align-items:center;gap:.45rem;font-size:.78rem;font-weight:600;
  color:var(--ink-soft);background:#fff;border:1px solid var(--line);
  padding:.4rem .8rem;border-radius:999px}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--pine)}
.hero h1{margin-bottom:.4rem}
.hero h1 .em{font-style:italic;color:var(--pine-deep)}
.hero .lead{max-width:34rem;margin-top:1rem}
.hero-rating{display:flex;align-items:center;gap:.7rem;margin-top:1.6rem;font-size:.92rem;color:var(--muted)}
.stars{color:var(--clay);letter-spacing:.08em}
.hero-art{position:relative;display:flex;justify-content:center}
.hero-art .frame{position:relative;width:100%;max-width:420px;aspect-ratio:1/1.05;
  background:radial-gradient(circle at 50% 35%,#fff,var(--pine-tint) 78%);
  border:1px solid var(--line);border-radius:30px;display:grid;place-items:center;
  box-shadow:var(--shadow-lg)}
.hero-art .frame img{width:78%;filter:drop-shadow(0 28px 36px rgba(20,40,35,.28))}
.tag{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:.6rem .85rem;box-shadow:var(--shadow);display:flex;align-items:center;gap:.55rem;
  font-size:.82rem;font-weight:700;color:var(--ink)}
.tag small{display:block;font-weight:500;color:var(--muted);font-size:.74rem}
.tag .ic{font-size:1.15rem}
.tag--1{top:8%;left:-4%}
.tag--2{bottom:9%;right:-3%}

/* ---- sections ---- */
.section{padding:84px 0}
.section.tight{padding:56px 0}
.bg-paper2{background:var(--paper-2)}
.bg-pine{background:var(--pine-deep);color:#e9f1ed}
.bg-pine h2,.bg-pine h3{color:#fff}
.bg-pine .kicker{color:#bfe0d4}
.bg-pine .lead{color:#cfe3db}
.bg-ink{background:var(--ink);color:#e9f1ed}

.section-head{max-width:680px}
.section-head.center{margin:0 auto}

/* ---- assurances strip ---- */
.assurances{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.assurances .a{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px;text-align:center}
.assurances .ic{font-size:1.5rem;margin-bottom:.3rem}
.assurances strong{display:block;font-size:.95rem}
.assurances span{font-size:.8rem;color:var(--muted)}

/* ---- duo layout ---- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.shot-frame{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;display:grid;place-items:center;box-shadow:var(--shadow)}
.shot-frame img{max-width:74%}

/* ---- ticks ---- */
.ticks{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:.85rem}
.ticks li{display:flex;gap:.75rem;align-items:flex-start;font-size:1rem}
.ticks .t{color:var(--clay);font-weight:800;flex:none;margin-top:.05rem}

/* ---- cards / pillars ---- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:.25s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card .ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:var(--pine-tint);font-size:1.35rem;margin-bottom:1rem}
.card h3{margin-bottom:.45rem}
.card p{color:var(--muted);font-size:.96rem;margin:0}

/* ---- numbered steps ---- */
.steps{display:grid;gap:20px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 28px 26px 78px}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:24px;top:26px;
  width:38px;height:38px;border-radius:50%;background:var(--pine-deep);color:#fff;
  font-family:var(--serif);font-size:1.1rem;display:grid;place-items:center}
.step h3{margin-bottom:.3rem}
.step p{margin:0;color:var(--muted);font-size:.96rem}

/* ---- figures ---- */
.figures{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.figures .n{font-family:var(--serif);font-size:clamp(2rem,4vw,2.8rem);color:#fff;line-height:1}
.figures .l{font-size:.85rem;color:#cfe3db;margin-top:.4rem}

/* ---- reviews ---- */
.voice{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.voice .stars{font-size:1rem}
.voice p{font-size:1rem;color:var(--ink-soft);margin:.7rem 0 1.1rem;font-style:italic}
.who{display:flex;align-items:center;gap:.7rem}
.who .av{width:42px;height:42px;border-radius:50%;background:var(--pine);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:.9rem;font-family:var(--sans)}
.who .name{font-weight:700;font-size:.92rem}
.who .meta{font-size:.78rem;color:var(--muted)}
.verified{color:var(--pine);font-weight:700}

/* ---- pricing tiers ---- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tier{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.tier .cap{padding:20px 24px;border-bottom:1px solid var(--line);text-align:center;background:var(--paper)}
.tier .cap .name{font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--pine)}
.tier .cap .qty{font-family:var(--serif);font-size:1.5rem;color:var(--ink);margin-top:.2rem}
.tier .cap .supply{font-size:.82rem;color:var(--muted)}
.tier .body{padding:24px;display:flex;flex-direction:column;align-items:center;gap:.5rem;text-align:center}
.tier .shot{max-width:62%;margin:.2rem 0}
.tier .per{font-family:var(--serif);font-size:2.6rem;color:var(--ink);line-height:1}
.tier .per .cur{font-size:1.2rem;vertical-align:super;color:var(--muted)}
.tier .per small{font-size:.9rem;font-family:var(--sans);color:var(--muted)}
.tier .save{font-size:.8rem;font-weight:700;color:var(--clay-deep);background:#f7ece1;
  padding:.25rem .7rem;border-radius:999px}
.tier .promise{font-size:.82rem;color:var(--pine);font-weight:700}
.tier .btn{width:100%;margin-top:.4rem}
.tier .pay{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-top:.3rem}
.tier .pay span{font-size:.6rem;font-weight:700;letter-spacing:.04em;color:var(--muted);
  border:1px solid var(--line-2);border-radius:5px;padding:.15rem .4rem}
.tier .total{font-size:.9rem;color:var(--ink);font-weight:600}
.tier .total s{color:var(--muted);font-weight:400}
.tier .ship{font-size:.8rem;color:var(--muted)}
.ship-free{color:var(--pine);font-weight:800;letter-spacing:.02em}
.tier.best{border:2px solid var(--pine);box-shadow:var(--shadow-lg);position:relative}
.tier.best .cap{background:var(--pine-deep)}
.tier.best .cap .name{color:#cfe9df}
.tier.best .cap .qty{color:#fff}
.tier.best .cap .supply{color:#bcd8cd}
.ribbon{position:absolute;top:14px;right:-34px;transform:rotate(45deg);background:var(--clay);
  color:#fff;font-size:.68rem;font-weight:800;letter-spacing:.1em;padding:.25rem 38px}

/* ---- longform ---- */
.longform{max-width:760px;margin:0 auto}
.longform h3{margin-top:1.8rem;font-size:1.3rem}
.longform p{color:var(--ink-soft)}
.longform a{font-weight:700;text-decoration:underline;text-underline-offset:2px}

/* ---- FAQ ---- */
.qa{max-width:780px;margin:0 auto;display:grid;gap:12px}
.qa details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:2px 22px}
.qa summary{cursor:pointer;font-weight:700;font-size:1rem;padding:16px 0;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;color:var(--ink)}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";color:var(--pine);font-size:1.4rem;font-weight:400;flex:none}
.qa details[open] summary::after{content:"–"}
.qa details p{margin:0 0 16px;color:var(--muted);font-size:.96rem}

/* ---- callout ---- */
.callout{background:linear-gradient(135deg,var(--pine-deep),var(--ink));color:#eef4f0;
  border-radius:26px;padding:54px;text-align:center;box-shadow:var(--shadow-lg)}
.callout h2{color:#fff}
.callout p{color:#cfe3db;max-width:40rem;margin:0 auto 1rem;font-size:1.08rem}

/* ---- comparison table ---- */
.cmp{width:100%;border-collapse:collapse;margin-top:1.6rem;font-size:.94rem;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cmp th,.cmp td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line)}
.cmp thead th{background:var(--paper);font-family:var(--serif);font-weight:600;font-size:1rem}
.cmp thead th.us{background:var(--pine-deep);color:#fff}
.cmp tbody th{text-align:left;font-weight:600;font-family:var(--sans)}
.cmp .yes{color:var(--pine);font-weight:800}
.cmp .no{color:#b04a3a;font-weight:700}
.cmp .mid{color:var(--clay-deep)}
.cmp tr:last-child td,.cmp tr:last-child th{border-bottom:0}

/* ---- supplement facts ---- */
.facts{max-width:430px;margin:0 auto;background:#fff;border:2px solid var(--ink);border-radius:8px;padding:20px 24px}
.facts h3{font-family:var(--sans);font-weight:800;border-bottom:6px solid var(--ink);padding-bottom:.3rem;margin-bottom:.2rem}
.facts .srv{font-size:.82rem;border-bottom:2px solid var(--ink);padding:.3rem 0}
.facts table{width:100%;border-collapse:collapse;font-size:.9rem}
.facts table td{padding:.4rem 0;border-bottom:1px solid var(--line)}
.facts table td:last-child{text-align:right;font-weight:700}
.facts .foot{font-size:.74rem;color:var(--muted);margin-top:.6rem}

/* ---- info / disclaimer boxes ---- */
.note{background:var(--pine-tint);border-left:3px solid var(--pine);border-radius:0 12px 12px 0;
  padding:16px 20px;font-size:.92rem;color:var(--ink-soft);margin:1.4rem 0}
.note.warn{background:#f8efe6;border-left-color:var(--clay)}

/* ---- breadcrumb / TOC for guides ---- */
.crumb{font-size:.82rem;color:var(--muted);margin-bottom:1rem}
.crumb a{color:var(--pine-deep)}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px 26px;margin:1.6rem 0}
.toc strong{display:block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--pine);margin-bottom:.6rem}
.toc ol{margin:0;padding-left:1.2rem;columns:2;gap:1.4rem}
.toc li{margin:.25rem 0}
.prose{max-width:740px;margin:0 auto}
.prose h2{margin-top:2.2rem}
.prose h3{margin-top:1.6rem}
.prose ul{padding-left:1.2rem}
.prose li{margin:.4rem 0}

/* ---- footer ---- */
.footer{background:var(--ink);color:#bcc9c3;padding:60px 0 30px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer .brand{color:#fff}
.footer .brand .reg{color:#7fd0b8}
.footer a{display:block;color:#bcc9c3;margin:.4rem 0}
.footer a:hover{color:#fff}
.footer h4{color:#fff;font-family:var(--sans);font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;margin:0 0 .8rem}
.foot-contact p{margin:.35rem 0;color:#a9b8b1}
.foot-legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:24px;
  font-size:.78rem;color:#92a39c;line-height:1.6}
.foot-legal p{margin:.5rem 0}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:18px;
  padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}

/* ---- reveal animation ---- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:.6s cubic-bezier(.2,.7,.2,1)}
[data-reveal].in{opacity:1;transform:none}

/* ---- page hero (subpages) ---- */
.page-hero{background:linear-gradient(180deg,var(--paper),var(--paper-2));
  border-bottom:1px solid var(--line);padding:64px 0 56px;text-align:center}
.page-hero .lead{max-width:42rem;margin:1rem auto 0}

/* ---- responsive ---- */
@media(max-width:880px){
  .nav-menu,.nav-cta{display:none}
  .nav-menu.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;
    background:var(--paper);border-bottom:1px solid var(--line);padding:18px 24px;gap:16px}
  .nav-toggle{display:block}
  .hero-inner,.duo{grid-template-columns:1fr;gap:36px}
  .hero-art{order:-1}
  .assurances,.figures{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-2,.tiers{grid-template-columns:1fr}
  .tier.best{order:-1}
  .foot-grid{grid-template-columns:1fr 1fr}
  .toc ol{columns:1}
  .cmp{display:block;overflow-x:auto;white-space:nowrap}
  .callout{padding:36px 24px}
}
@media(max-width:520px){
  body{font-size:16px}
  .section{padding:60px 0}
  .foot-grid{grid-template-columns:1fr}
  .tag--1{left:0}.tag--2{right:0}
}