/* Usability House — v2 prototype
   Dark / #6633FF / Urbanist. Refined from the live identity. Mobile-first. */

:root{
  --ink:#0B0B0D; --ink-2:#0F0F12; --card:#141418; --field:#0D0D11;
  --line:#212126; --line-2:#2E2E36;
  --purple:#6633FF; --purple-light:#8F72FF; --purple-dim:rgba(102,51,255,.16);
  --t1:#F4F4F6; --t2:#BBBBC3; --t3:#8C8C96;
  --maxw:1140px; --r:12px; --rs:8px; --nav:68px;
  --plan-bg:var(--ink);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--t1);
  font-family:'Urbanist',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
button{font:inherit;color:inherit}
::selection{background:var(--purple);color:#fff}
:focus-visible{outline:2px solid var(--purple-light);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:22px;padding-right:22px}
@media(min-width:760px){.wrap{padding-left:40px;padding-right:40px}}

/* ---------- type ---------- */
.label{display:inline-flex;align-items:center;gap:12px;font-size:.74rem;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--purple-light)}
.label::before{content:"";width:22px;height:1px;background:var(--purple-light)}
.h2{font-size:clamp(1.75rem,3.4vw,2.6rem);font-weight:600;letter-spacing:-.025em;line-height:1.08;
  margin-top:18px;max-width:24ch;text-wrap:balance}
.h2.sm{font-size:clamp(1.4rem,2.4vw,2rem);max-width:34ch;line-height:1.2;letter-spacing:-.02em}
.lead{font-size:clamp(1.05rem,1.5vw,1.18rem);color:var(--t2);line-height:1.6;max-width:56ch;margin-top:18px}
.muted{color:var(--t2)}
.fine{font-size:.85rem;color:var(--t3)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:600;font-size:1rem;
  cursor:pointer;border-radius:var(--rs);border:1px solid transparent;padding:.95rem 1.5rem;line-height:1;
  transition:background .16s,border-color .16s,color .16s}
.btn-primary{background:var(--purple);color:#fff}
.btn-primary:hover{background:var(--purple-light)}
.btn-ghost{background:transparent;color:var(--t1);border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:var(--t2)}
.btn .arrow{transition:transform .18s}
.btn:hover .arrow{transform:translateX(3px)}
.link{display:inline-flex;align-items:center;gap:8px;color:var(--purple-light);font-weight:600}
.link .arrow{transition:transform .18s}
.link:hover .arrow{transform:translateX(3px)}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:100;background:rgba(11,11,13,.8);
  -webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--nav)}
.logo img{height:24px;width:auto}
.menu-btn{position:relative;width:44px;height:44px;margin-right:-10px;background:none;border:0;cursor:pointer;border-radius:6px}
.menu-btn span{position:absolute;left:11px;width:22px;height:1.5px;background:var(--t1);
  transition:transform .28s cubic-bezier(.4,0,.2,1),opacity .2s,top .28s}
.menu-btn span:nth-child(1){top:15px}
.menu-btn span:nth-child(2){top:21.5px}
.menu-btn span:nth-child(3){top:28px}
body.menu-open .menu-btn span:nth-child(1){top:21.5px;transform:rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){top:21.5px;transform:rotate(-45deg)}

/* ---------- menu overlay ---------- */
.menu{position:fixed;inset:0;z-index:90;background:var(--ink);padding-top:var(--nav);overflow-y:auto;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility 0s linear .3s}
.menu::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(50% 45% at 85% 10%,rgba(102,51,255,.16),transparent 70%)}
body.menu-open .menu{opacity:1;visibility:visible;transition:opacity .3s ease}
.menu-grid{position:relative;display:grid;grid-template-columns:1fr;gap:48px;padding-top:56px;padding-bottom:56px}
@media(min-width:880px){.menu-grid{grid-template-columns:minmax(0,440px) 1fr;gap:96px;padding-top:88px}}
.menu-links a{display:flex;align-items:baseline;gap:18px;padding:16px 0;border-bottom:1px solid var(--line);
  font-size:clamp(1.45rem,2.4vw,1.85rem);font-weight:500;letter-spacing:-.02em;line-height:1.15;color:var(--t1);
  opacity:0;transform:translateY(12px);
  transition:opacity .45s ease,transform .45s cubic-bezier(.2,.7,.2,1),color .15s}
.menu-links a:first-child{border-top:1px solid var(--line)}
.menu-links a .n{font-size:.74rem;font-weight:700;letter-spacing:.12em;color:var(--purple-light);min-width:1.8rem}
.menu-links a:hover{color:var(--purple-light)}
.menu-links a[aria-current]{color:var(--t3)}
body.menu-open .menu-links a{opacity:1;transform:none}
body.menu-open .menu-links a:nth-child(1){transition-delay:.05s}
body.menu-open .menu-links a:nth-child(2){transition-delay:.11s}
body.menu-open .menu-links a:nth-child(3){transition-delay:.17s}
body.menu-open .menu-links a:nth-child(4){transition-delay:.23s}
body.menu-open .menu-links a:nth-child(5){transition-delay:.29s}
.menu-side{opacity:0;transform:translateY(10px);transition:opacity .45s ease .22s,transform .45s cubic-bezier(.2,.7,.2,1) .22s}
body.menu-open .menu-side{opacity:1;transform:none}
.menu-side .btn{margin-top:18px}
@media(max-width:559px){.menu-side .btn{width:100%}}
.menu-contact{list-style:none;margin-top:24px;color:var(--t2);line-height:2}
.menu-contact a{color:var(--t1)}
.menu-contact a:hover{color:var(--purple-light)}

/* ---------- hero (photo + scrim, statement bottom-left) ---------- */
.hero{position:relative;min-height:600px;display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid var(--line)}
@media(min-width:760px){.hero{min-height:700px}}
.hero-bg{position:absolute;inset:0;background:url('/img/dsc06263.jpg') center 40% / cover no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,11,13,.42) 0%,rgba(11,11,13,.55) 30%,rgba(11,11,13,.86) 68%,var(--ink) 100%)}
.hero .wrap{position:relative;z-index:1;padding-top:180px;padding-bottom:60px}
@media(min-width:760px){.hero .wrap{padding-top:220px;padding-bottom:84px}}
.hero h1{font-size:clamp(2.1rem,5vw,4.2rem);font-weight:600;letter-spacing:-.03em;line-height:1.06;
  max-width:31ch;text-wrap:balance}
.hero .cta-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}
@media(max-width:559px){.hero .cta-row .btn{width:100%}}

/* ---------- sections ---------- */
section{padding:88px 0}
@media(max-width:700px){section{padding:64px 0}}
.alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- services list (home) ---------- */
.svc-list{display:grid;grid-template-columns:1fr;margin-top:40px;border-top:1px solid var(--line)}
.svc-list a{display:block;padding:24px 0;border-bottom:1px solid var(--line)}
.svc-list a b{display:block;font-size:1.22rem;font-weight:600;letter-spacing:-.015em;line-height:1.25;margin-bottom:8px;transition:color .15s}
.svc-list a span{color:var(--t2);line-height:1.55;display:block;max-width:44ch}
.svc-list a:hover b{color:var(--purple-light)}
@media(min-width:760px){.svc-list{grid-template-columns:1fr 1fr;column-gap:64px}.svc-list a{padding:28px 0}}

/* ---------- how it works ---------- */
.steps{display:grid;grid-template-columns:1fr;margin-top:44px;border-top:1px solid var(--line)}
.step{padding:28px 0;border-bottom:1px solid var(--line)}
.step .num{color:var(--purple-light);font-size:.85rem;font-weight:700;font-variant-numeric:tabular-nums}
.step h3{font-size:1.3rem;font-weight:600;letter-spacing:-.015em;line-height:1.2;margin:12px 0 10px;max-width:20ch}
.step p{color:var(--t2);max-width:40ch}
@media(min-width:820px){
  .steps{grid-template-columns:repeat(3,1fr);gap:40px;border-top:0}
  .step{border-bottom:0;border-top:1px solid var(--line);padding:26px 0 0}
}

/* ---------- facility band (home) ---------- */
.fac-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:880px){.fac-grid{grid-template-columns:1fr 1.15fr;gap:72px}}
.fac-grid .link{margin-top:26px}
.photo{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* ---------- contact ---------- */
.ask-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:960px){.ask-grid{grid-template-columns:1fr 1.15fr;gap:80px;align-items:start}}
.ask .h2{max-width:14ch}
.ask .who{margin-top:22px;color:var(--t2);font-size:1.06rem;line-height:1.6;max-width:36ch}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px}
@media(min-width:560px){.form-card{padding:36px}}
.row2{display:grid;grid-template-columns:1fr;gap:0 16px}
@media(min-width:560px){.row2{grid-template-columns:1fr 1fr}}
.field{margin-bottom:18px}
.field label{display:block;font-size:.86rem;font-weight:600;color:var(--t2);margin-bottom:8px}
.field input,.field textarea{width:100%;background:var(--field);color:var(--t1);border:1px solid var(--line-2);
  border-radius:var(--rs);padding:.95rem 1rem;font-family:inherit;font-size:1rem;line-height:1.3;
  transition:border-color .15s,box-shadow .15s}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--purple-light);box-shadow:0 0 0 3px var(--purple-dim)}
.field textarea{resize:vertical;min-height:104px}
.err{display:none;color:#FF8A8A;font-size:.84rem;margin-top:7px}
.field.bad input,.field.bad textarea{border-color:#FF8A8A}
.field.bad .err{display:block}
.submit{width:100%;margin-top:4px}
.form-note{margin-top:14px;font-size:.85rem;color:var(--t3);text-align:center}
.form-fail{display:none;margin-top:14px;font-size:.9rem;color:#FF8A8A;text-align:center}
.form-fail a{color:var(--t1);text-decoration:underline}
.form-fail.show{display:block}
.submit:disabled{opacity:.7;cursor:default}
.status{display:none;padding:8px 0}
.status.show{display:block}
.status h3{font-size:1.5rem;font-weight:600;letter-spacing:-.02em}
.status p{color:var(--t2);margin-top:10px;max-width:40ch}

/* ---------- CTA band (sub-pages) ---------- */
.cta-band{background:var(--ink-2);border-top:1px solid var(--line)}
.cta-band .wrap{display:grid;gap:26px;align-items:center}
@media(min-width:860px){.cta-band .wrap{grid-template-columns:1fr auto;gap:48px}}
.cta-band .h2{font-size:clamp(1.6rem,3.2vw,2.3rem);max-width:20ch}
.cta-band .lead{margin-top:12px}

/* ---------- sub-page head ---------- */
.page-head{padding-top:72px;padding-bottom:40px}
@media(min-width:760px){.page-head{padding-top:96px;padding-bottom:48px}}

/* ---------- services page ---------- */
.svc-layout{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:960px){.svc-layout{grid-template-columns:230px 1fr;gap:80px;align-items:start}}
.rail{display:none}
@media(min-width:960px){.rail{display:block;position:sticky;top:calc(var(--nav) + 40px)}}
.rail a{display:flex;gap:14px;align-items:baseline;padding:11px 0 11px 18px;color:var(--t3);font-size:.95rem;font-weight:500;
  border-left:1px solid var(--line);transition:color .15s,border-color .15s}
.rail a span{font-size:.76rem;font-variant-numeric:tabular-nums;width:20px;font-weight:700}
.rail a:hover{color:var(--t2)}
.rail a.active{color:var(--t1);border-left-color:var(--purple-light)}
.rail a.active span{color:var(--purple-light)}
.svc{padding:48px 0;border-top:1px solid var(--line);scroll-margin-top:calc(var(--nav) + 24px);max-width:62ch}
.svc:first-child{border-top:0;padding-top:0}
.svc .num{color:var(--purple-light);font-size:.85rem;font-weight:700;font-variant-numeric:tabular-nums}
.svc h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:600;letter-spacing:-.022em;line-height:1.1;margin:10px 0 14px;text-wrap:balance}
.svc .tag{font-size:1.15rem;font-weight:500;line-height:1.45;color:var(--t1);letter-spacing:-.01em}
.svc p{color:var(--t2);font-size:1.04rem;line-height:1.65;margin-top:16px}
.svc p.you{padding-left:18px;border-left:2px solid var(--purple)}

.faq{margin-top:8px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:22px 0;font-size:1.15rem;font-weight:600;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--purple-light);font-size:1.5rem;font-weight:400;line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--t2);padding:0 0 24px;max-width:60ch;line-height:1.65}

/* ---------- facility page ---------- */
.gallery{display:grid;grid-template-columns:1fr;gap:22px;margin-top:40px}
@media(min-width:760px){.gallery{grid-template-columns:1fr 1fr;gap:24px}.gallery .wide{grid-column:1 / -1}}
.shot{margin:0}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r);border:1px solid var(--line);background:var(--card)}
.shot.wide img{aspect-ratio:21/9}
.shot figcaption{margin-top:12px;color:var(--t2);font-size:.95rem;line-height:1.5}
.shot figcaption b{display:block;color:var(--t1);font-weight:600}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:56px 0 30px}
.foot{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:760px){.foot{grid-template-columns:1.5fr 1fr 1fr;gap:40px}}
.foot img{height:26px;width:auto}
.foot .addr{margin-top:16px;color:var(--t2);line-height:1.7;max-width:30ch}
.foot h4{font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--t3);margin-bottom:14px}
.foot ul{list-style:none}
.foot li{margin-bottom:10px}
.foot li a{color:var(--t1);transition:color .15s}
.foot li a:hover{color:var(--purple-light)}
.foot-bottom{margin-top:46px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 32px;
  justify-content:space-between;font-size:.84rem;color:var(--t3)}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .menu,.menu-links a,.menu-side,.menu-btn span{transition:none}
  .btn .arrow,.link .arrow{transition:none}
}

/* phone-size hero photo */
@media(max-width:760px){.hero-bg{background-image:url('/img/hero-mobile.jpg')}}

/* ---------- insights index ---------- */
.posts{border-top:1px solid var(--line);max-width:820px}
.posts a{display:block;padding:26px 0;border-bottom:1px solid var(--line)}
.posts a b{display:block;font-size:1.25rem;font-weight:600;letter-spacing:-.015em;line-height:1.25;margin-bottom:8px;transition:color .15s}
.posts a span{display:block;color:var(--t2);line-height:1.6;max-width:70ch}
.posts a:hover b{color:var(--purple-light)}