/* ECTech Solutions — design system v2
   Direction: clean Swiss-style B2B, one accent (logo blue), Geist, 12px radius everywhere.
   Dials: variance 7 · motion 5 · density 3. */
@font-face{font-family:"Geist";src:url(/assets/fonts/geist.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(/assets/fonts/geist-mono.woff2) format("woff2");font-weight:100 900;font-display:swap}

:root{
  --bg:#f6f7f9;--surface:#ffffff;--ink:#0b1017;--muted:#485263;--line:#dde1e8;
  --accent:#0a5fd6;--accent-fg:#ffffff;--tint:#e8f0fd;--shadow:0 1px 0 rgba(11,16,23,.04),0 18px 40px -22px rgba(18,42,90,.28);
  --inv-bg:#0b1017;--inv-fg:#eef1f6;--inv-muted:#a3adbb;--inv-line:#273140;--inv-accent:#5aa9ff;--inv-card:#121a25;
  --r:12px;--max:72rem;--ease-out:cubic-bezier(.23,1,.32,1);--ease-in-out:cubic-bezier(.77,0,.175,1);
  --font:"Geist",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0a0d12;--surface:#10151c;--ink:#eef1f6;--muted:#9aa5b4;--line:#222a35;
  --accent:#5aa9ff;--accent-fg:#06101f;--tint:#0f1e33;--shadow:0 18px 40px -22px rgba(0,0,0,.7);
  --inv-bg:#121a25;--inv-card:#0d131b;color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme]){
    --bg:#0a0d12;--surface:#10151c;--ink:#eef1f6;--muted:#9aa5b4;--line:#222a35;
    --accent:#5aa9ff;--accent-fg:#06101f;--tint:#0f1e33;--shadow:0 18px 40px -22px rgba(0,0,0,.7);
    --inv-bg:#121a25;--inv-card:#0d131b;color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:5rem}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block}
a{color:var(--accent);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:.5rem;background:var(--ink);color:var(--bg);padding:.6rem 1rem;border-radius:var(--r);z-index:200}
.skip:focus{left:.5rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.5rem}
.icon{width:1.25rem;height:1.25rem;flex:none}
h1,h2,h3{margin:0 0 .8rem;font-weight:600;letter-spacing:-.03em;line-height:1.08}
h1{font-size:clamp(2.5rem,5vw,4.1rem);letter-spacing:-.04em;line-height:1.02}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:1.2rem;letter-spacing:-.015em;line-height:1.25}
p{margin:0 0 1rem}
.lead{font-size:1.2rem;color:var(--muted);max-width:38rem;line-height:1.55}
.mono{font-family:var(--mono)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 86%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:4.2rem}
.brand{white-space:nowrap;display:flex;align-items:center;gap:.7rem;color:var(--ink);text-decoration:none;font-weight:650;font-size:1.12rem;letter-spacing:-.02em}
.brand img{height:1.65rem;width:auto}
.brand .sub{font-weight:400;color:var(--muted)}
.mark-d{display:none}
:root[data-theme="dark"] .mark-l{display:none}:root[data-theme="dark"] .mark-d{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme]) .mark-l{display:none}:root:not([data-theme]) .mark-d{display:block}}
.nav{display:flex;align-items:center;gap:.4rem}
.nav a.link{color:var(--ink);text-decoration:none;font-size:.95rem;font-weight:500;padding:.5rem .8rem;border-radius:8px;transition:color .15s ease,background-color .15s ease}
.tools{display:flex;align-items:center;gap:.35rem;margin-left:.4rem}
.iconbtn{display:inline-grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;font:600 .8rem var(--font);text-decoration:none;transition:border-color .15s ease,background-color .15s ease,transform .12s var(--ease-out)}
.iconbtn:active{transform:scale(.95)}
.theme .sun,.theme .moon{grid-area:1/1;transition:opacity .2s var(--ease-out),transform .25s var(--ease-out)}
.theme .sun{opacity:0;transform:rotate(-60deg) scale(.8)}
:root[data-theme="dark"] .theme .sun{opacity:1;transform:none}:root[data-theme="dark"] .theme .moon{opacity:0;transform:rotate(60deg) scale(.8)}
@media (prefers-color-scheme:dark){:root:not([data-theme]) .theme .sun{opacity:1;transform:none}:root:not([data-theme]) .theme .moon{opacity:0}}
.menu-btn{display:none}
@media (hover:hover) and (pointer:fine){.nav a.link:hover{background:var(--tint);color:var(--accent)}.iconbtn:hover{border-color:var(--accent);background:var(--tint)}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;white-space:nowrap;background:var(--accent);color:var(--accent-fg);padding:.85rem 1.4rem;border-radius:var(--r);border:1.5px solid var(--accent);font:600 .98rem var(--font);text-decoration:none;cursor:pointer;transition:transform .14s var(--ease-out),background-color .15s ease,border-color .15s ease,color .15s ease}
.btn:active{transform:scale(.98)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.sm{padding:.6rem 1rem;font-size:.92rem}
@media (hover:hover) and (pointer:fine){.btn:hover{transform:translateY(-1px)}.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}.btn .icon{transition:transform .2s var(--ease-out)}.btn:hover .icon{transform:translateX(3px)}}
.btn-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.8rem}

/* ---------- hero ---------- */
.hero{padding:4.2rem 0 4.5rem}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3.5rem;align-items:center}
.hero h1 em{font-style:normal;color:var(--accent)}
.finder{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.finder-head{padding:1.1rem 1.4rem;border-bottom:1px solid var(--line);font-weight:600;letter-spacing:-.01em}
.finder-opts{display:grid;padding:.5rem}
.finder-opt{display:flex;align-items:center;justify-content:space-between;gap:1rem;text-align:left;width:100%;padding:.8rem .9rem;border:0;border-radius:var(--r);background:transparent;color:var(--ink);font:500 .98rem/1.35 var(--font);cursor:pointer;transition:background-color .15s ease,color .15s ease}
.finder-opt::after{content:"";width:.6rem;height:.6rem;border-radius:50%;border:1.5px solid var(--line);flex:none;transition:background-color .15s ease,border-color .15s ease}
.finder-opt[aria-pressed="true"]{background:var(--tint);color:var(--accent)}
.finder-opt[aria-pressed="true"]::after{background:var(--accent);border-color:var(--accent)}
@media (hover:hover) and (pointer:fine){.finder-opt:hover{background:var(--tint)}}
.finder-out{margin:.3rem .5rem .5rem;padding:1.1rem 1.1rem 1.2rem;border-radius:var(--r);background:var(--bg);border:1px solid var(--line)}
.finder-out .pane{animation:swap .28s var(--ease-out)}
@keyframes swap{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.finder-out h3{margin-bottom:.35rem}
.finder-out p{color:var(--muted);font-size:.96rem;margin-bottom:.8rem}
.finder-out a{font-weight:600;text-decoration:none;display:inline-flex;gap:.4rem;align-items:center}

/* ---------- sections ---------- */
section{padding:6rem 0}
section.surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{max-width:44rem;margin-bottom:3rem}
.head p{color:var(--muted);font-size:1.15rem}

/* services: full-width rows */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:4rem 1.1fr 1fr 2.5rem;gap:1.5rem;align-items:center;padding:2rem .4rem;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;transition:background-color .2s ease}
.row .n{font:500 .9rem var(--mono);color:var(--muted)}
.row h3{font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-.03em;margin:0 0 .3rem}
.row .tagline{display:inline-block;font:500 .72rem var(--mono);color:var(--accent);border:1px solid var(--line);border-radius:99px;padding:.1rem .55rem;margin-left:.6rem;vertical-align:middle;letter-spacing:.02em}
.row p{margin:0;color:var(--muted);font-size:1rem}
.row .needs{font:400 .85rem var(--mono);color:var(--muted);margin-top:.6rem}
.row .go{justify-self:end;color:var(--accent);transition:transform .25s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.row:hover{background:var(--surface)}.row:hover .go{transform:translate(4px,-4px)}.row:hover h3{color:var(--accent)}}
.row h3{transition:color .15s ease}

/* why */
.why{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem;align-items:start}
.why-list{display:grid;grid-template-columns:1fr 1fr;gap:2.2rem 2.5rem}
.why-list div{border-top:2px solid var(--ink);padding-top:1rem}
.why-list h3{margin-bottom:.4rem}.why-list p{color:var(--muted);font-size:.98rem;margin:0}

/* inverted AI bento */
section.inv{background:var(--inv-bg);color:var(--inv-fg)}
.inv .head p,.inv .muted{color:var(--inv-muted)}
.inv a{color:var(--inv-accent)}
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.cell{border:1px solid var(--inv-line);border-radius:16px;padding:1.6rem;background:var(--inv-card);display:flex;flex-direction:column;gap:.6rem}
.cell .icon{width:1.6rem;height:1.6rem;color:var(--inv-accent);margin-bottom:.6rem}
.cell p{color:var(--inv-muted);font-size:.97rem;margin:0}
.cell h3{margin:0 0 .2rem;color:var(--inv-fg)}
.cell.big{grid-column:span 2;background:var(--accent);border-color:var(--accent);color:#fff}
:root[data-theme="dark"] .cell.big{background:#0f2748;border-color:#1c4175}
@media (prefers-color-scheme:dark){:root:not([data-theme]) .cell.big{background:#0f2748;border-color:#1c4175}}
.cell.big h3{font-size:1.7rem;color:#fff}.cell.big p{color:rgba(255,255,255,.86);font-size:1.05rem}
.cell.big a{color:#fff;font-weight:600;display:inline-flex;gap:.4rem;align-items:center;margin-top:auto;padding-top:.8rem}
.cell.tinted{background:transparent;border-style:dashed}
.cell b{color:var(--inv-fg);font-weight:600}

/* examples: scroll-snap */
.snap{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(18rem,22rem);gap:1rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:.2rem 0 1.2rem;margin:0 -1.5rem;padding-left:1.5rem;padding-right:1.5rem;scrollbar-width:thin}
.snap article{scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.5rem;display:flex;flex-direction:column;gap:.5rem}
.snap .icon{width:1.6rem;height:1.6rem;color:var(--accent);margin-bottom:.8rem}
.snap p{color:var(--muted);font-size:.97rem;margin:0}
.chip{align-self:flex-start;font:500 .72rem var(--mono);color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:.12rem .6rem;margin-bottom:.4rem}
.notice{display:flex;gap:.8rem;align-items:flex-start;background:var(--tint);border-radius:var(--r);padding:1rem 1.2rem;margin:0 0 1.8rem;font-size:.97rem;max-width:48rem}

/* method */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:1.05rem;height:1px;background:var(--line)}
.steps li{position:relative;padding-top:3.2rem}
.steps li::before{content:attr(data-n);position:absolute;top:0;left:0;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--accent);color:var(--accent-fg);display:grid;place-items:center;font:600 .8rem var(--mono)}
.steps h3{margin-bottom:.4rem}.steps p{color:var(--muted);font-size:.97rem;margin:0}

/* faq */
.faq{max-width:48rem}
.faq-wrap{display:grid;grid-template-columns:1fr 1.6fr;gap:4rem;align-items:start}
.faq-wrap .faq{max-width:none}
.faq-wrap .lead{font-size:1.05rem}
.qa{border-bottom:1px solid var(--line)}
.qa>button{display:flex;justify-content:space-between;align-items:center;gap:1rem;width:100%;padding:1.25rem 0;background:none;border:0;color:var(--ink);font:600 1.08rem/1.35 var(--font);letter-spacing:-.01em;text-align:left;cursor:pointer}
.qa .plus{flex:none;color:var(--accent);transition:transform .25s var(--ease-out)}
.qa.open .plus{transform:rotate(45deg)}
.qa .a{display:grid;grid-template-rows:1fr;transition:grid-template-rows .25s var(--ease-out)}
.js .qa .a{grid-template-rows:0fr}.js .qa.open .a{grid-template-rows:1fr}
.qa .a>div{overflow:hidden}.qa .a p{color:var(--muted);margin:0 0 1.3rem;max-width:42rem}

/* contact */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:4rem;align-items:start}
.contact-box{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.4rem 1.5rem;margin-top:2rem}
.contact-box a,.contact-box span.v{display:flex;gap:.7rem;align-items:center;color:var(--ink);text-decoration:none;padding:.45rem 0;font-weight:500}
.contact-box .icon{color:var(--accent)}
.form{display:grid;gap:1.1rem}
.form label{display:block;font-weight:600;font-size:.93rem;margin-bottom:.4rem}
.form .opt{font-weight:400;color:var(--muted)}
.form input,.form select,.form textarea{width:100%;font:inherit;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r);padding:.8rem .9rem;transition:border-color .15s ease}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:1px}
.form textarea{min-height:9rem;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{min-height:1.5rem;font-weight:600;margin:0}
.form-status.ok{color:#0b7a3c}.form-status.err{color:#b3261e}
:root[data-theme="dark"] .form-status.ok{color:#5fd38d}:root[data-theme="dark"] .form-status.err{color:#ff8a80}
.form-note{font-size:.88rem;color:var(--muted);margin:0}

/* ---------- inner pages ---------- */
.page-head{padding:4rem 0 3rem;border-bottom:1px solid var(--line)}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:1.4rem}.crumbs a{color:var(--muted)}
.page-head h1{font-size:clamp(2.3rem,4.6vw,3.7rem);max-width:46rem}
.page-grid{display:grid;grid-template-columns:1fr 20rem;gap:4rem;align-items:start;padding-top:4rem;padding-bottom:5rem}
.prose{max-width:42rem}.prose h2{font-size:1.7rem;margin:2.6rem 0 .8rem}.prose h2:first-child{margin-top:0}.prose h3{margin:1.6rem 0 .3rem}
.prose p,.prose li{color:var(--muted)}.prose ul,.prose ol{padding-left:1.2rem}.prose li{margin:.4rem 0}
.checks{list-style:none;padding:0!important}.checks li{padding-left:1.8rem;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:1rem;height:1rem;border-radius:50%;background:var(--tint)}
.checks li::after{content:"";position:absolute;left:.3rem;top:.6em;width:.4rem;height:.22rem;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.aside{position:sticky;top:5.5rem;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.5rem;box-shadow:var(--shadow)}
.aside h3{margin-bottom:1rem}
.aside .p{display:flex;justify-content:space-between;gap:1rem;border-top:1px solid var(--line);padding:.8rem 0;font-size:.95rem}
.aside .p strong{font:600 .92rem var(--mono);white-space:nowrap}
.aside small{display:block;color:var(--muted);margin:.8rem 0 1.2rem;font-size:.88rem}
.aside .btn{width:100%;justify-content:center}
.cta-band{padding:5rem 0}
.cta-band .box{display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap}
.cta-band h2{margin:0;max-width:28rem}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:3.5rem 0 2rem;color:var(--muted);font-size:.95rem}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:2.5rem}
.site-footer h3{font:600 .78rem var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--ink);margin-bottom:.9rem}
.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:.4rem 0}
.site-footer a{color:var(--muted);text-decoration:none}
@media (hover:hover) and (pointer:fine){.site-footer a:hover{color:var(--accent)}}
.legal{border-top:1px solid var(--line);margin-top:2.4rem;padding-top:1.2rem;font-size:.86rem;display:flex;gap:1.2rem;flex-wrap:wrap}

/* ---------- motion (discreet; gated) ---------- */
@media (prefers-reduced-motion:no-preference){
  .rise{animation:rise .7s var(--ease-out) both;animation-delay:calc(var(--i,0)*70ms)}
  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
  .js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out);transition-delay:calc(var(--i,0)*60ms)}
  .js .reveal.in{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:0;transition:opacity .3s ease}.js .reveal.in{opacity:1}
  .finder-out .pane{animation:none}*{scroll-behavior:auto!important}
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  section{padding:4rem 0}.hero{padding:2.5rem 0 3rem}
  .hero-grid,.why,.split,.page-grid,.faq-wrap{grid-template-columns:1fr;gap:2.2rem}
  .row{grid-template-columns:2.4rem 1fr 1.6rem;gap:1rem;padding:1.5rem .2rem}.row .mid{display:none}
  .why-list{grid-template-columns:1fr}.bento{grid-template-columns:1fr}.cell.big{grid-column:auto}
  .steps{grid-template-columns:1fr;gap:1.8rem}.steps::before{display:none}
  .steps li{padding:0 0 0 3rem;min-height:2.2rem}.steps li::before{top:0}
  .fgrid{grid-template-columns:1fr 1fr}.aside{position:static}
  .menu-btn{display:inline-grid}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:.2rem;background:var(--bg);border-bottom:1px solid var(--line);padding:1rem 1.5rem 1.4rem;display:none}
  .nav.open{display:flex}.nav a.link{padding:.8rem .6rem;font-size:1.05rem}.nav .btn{justify-content:center;margin-top:.5rem}
  .tools{margin-left:0}
  .snap{margin:0 -1.5rem}
}
@media (max-width:520px){.brand .sub{display:none}.faq-wrap{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr}.btn-row .btn{flex:1 1 100%;justify-content:center}}