/* Self-hosted fonts (SIL Open Font License): no requests to Google */
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("fonts/inter-latin.woff2") format("woff2")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:300 700;font-display:swap;src:url("fonts/space-grotesk-latin.woff2") format("woff2")}
:root{
  --bg:#050816; --navy:#0F172A; --ink:#F1F5F9; --text:#CBD5E1; --muted:#A5B4CB;
  --blue:#2563EB; --blue-l:#60A5FA; --violet:#7C3AED; --violet-l:#A78BFA;
  --orange:#EA580C; --orange-d:#C2410C; --orange-l:#FDBA74;
  --glass:rgba(9,13,32,.8); --line:rgba(148,163,184,.16);
  --display:"Space Grotesk",system-ui,sans-serif; --body:"Inter",system-ui,sans-serif;
  --r:26px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.65 var(--body);overflow-x:clip;-webkit-font-smoothing:antialiased}
img,svg{display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);color:var(--ink);margin:0;line-height:1.08;letter-spacing:-.03em;font-weight:600;text-wrap:balance}
h3{font-family:var(--body);letter-spacing:-.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:3px solid var(--orange-l);outline-offset:3px;border-radius:8px}

.skip{position:fixed;left:16px;top:-80px;z-index:100;background:var(--ink);color:var(--navy);padding:12px 18px;border-radius:12px;font-weight:600;text-decoration:none}
.skip:focus{top:12px}

#brain{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.wrap{width:min(1240px,100% - 32px);margin-inline:auto}
@media (min-width:768px){.wrap{width:min(1240px,100% - 64px)}}

/* header */
.site-header{position:fixed;inset:0 0 auto;z-index:50;padding-block:12px;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(5,8,22,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-height:44px;color:var(--ink)}
.brand svg{width:38px;height:38px;flex:none}
.brand b{font:700 1.0625rem/1.1 var(--display);letter-spacing:-.02em}
.brand b span{display:inline}
.nav{display:flex;align-items:center;gap:4px}
.nav a.link{display:none}
.nav a.link{align-items:center;min-height:44px;padding:0 14px;text-decoration:none;color:var(--text);font-weight:500;border-radius:999px}
.nav a.link:hover{color:var(--ink);background:rgba(148,163,184,.1)}
@media (min-width:900px){.nav a.link{display:inline-flex}}
@media (max-width:419px){
  .brand svg{width:34px;height:34px}
  .brand b{font-size:.95rem}
  .brand b span{display:block;font:600 .6875rem/1.2 var(--body);letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:999px;font:600 1rem/1 var(--body);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,border-color .2s;white-space:nowrap}
.btn svg{width:18px;height:18px;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--orange-d);color:#fff;box-shadow:0 10px 30px -10px rgba(234,88,12,.7)}
.btn-primary:hover{background:#9A3412}
.btn-ghost{color:var(--ink);border-color:rgba(203,213,225,.4);background:rgba(5,8,22,.4)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(148,163,184,.12)}
.btn-sm{min-height:44px;padding:0 16px}
@media (max-width:419px){.btn-sm{padding:0 14px}}

main,footer{position:relative;z-index:1}
section{position:relative;scroll-margin-top:76px}

/* hero */
.hero{min-height:100svh;display:flex;align-items:flex-end;padding:calc(42svh + 40px) 0 72px;overflow-x:clip}
@media (min-width:900px){.hero{align-items:center;padding:120px 0 96px}}
.hero-copy{position:relative;max-width:640px}
.hero-copy::before{content:"";position:absolute;inset:-60px -80px -60px -200px;z-index:-1;background:radial-gradient(closest-side,rgba(5,8,22,.92) 55%,rgba(5,8,22,0));pointer-events:none}
.kicker{display:inline-flex;align-items:center;gap:10px;font:600 .8125rem/1.3 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--orange-l);margin-bottom:22px}
.kicker i{width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 12px 2px rgba(234,88,12,.8)}
.hero h1{font-size:clamp(2.5rem,6.2vw,4.75rem);font-weight:600;line-height:1;letter-spacing:-.04em;hyphens:manual;overflow-wrap:break-word}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#93C5FD,#C4B5FD 60%,#FDBA74);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin-top:22px;font-size:clamp(1.0625rem,1.6vw,1.25rem);color:var(--text);max-width:34em}
.lead strong{color:var(--ink);font-weight:600}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.trust{display:flex;flex-wrap:wrap;gap:8px 20px;margin:32px 0 0;padding:0;list-style:none;font-size:.9375rem;color:var(--muted)}
.trust li{display:flex;align-items:center;gap:8px}
.trust svg{width:16px;height:16px;color:var(--blue-l)}
.hint{position:absolute;right:32px;bottom:120px;display:none;align-items:center;gap:10px;font-size:.875rem;color:var(--muted)}
.hint svg{width:18px;height:18px}
@media (min-width:900px) and (hover:hover){.hint{display:flex}}

/* hero demo */
.demo{margin-top:28px}
@media (max-width:899px){.hero-copy{display:flex;flex-direction:column}.demo{order:-1;margin:0 0 28px}} /* phones: chips sit right under the particle area */
.demo-label{margin:0 0 10px;font-size:.875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid rgba(167,139,250,.45);background:rgba(124,58,237,.12);color:var(--ink);font:600 .9375rem/1 var(--body);cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.chip svg{width:18px;height:18px;color:var(--violet-l)}
.chip:hover{background:rgba(124,58,237,.24);border-color:var(--violet-l)}
.chip[aria-pressed="true"]{background:var(--violet);border-color:var(--violet);color:#fff}
.chip[aria-pressed="true"] svg{color:#fff}
.chip:focus-visible,.pause:focus-visible,.calc input:focus-visible{outline:3px solid var(--orange-l);outline-offset:3px}
.demo-steps{display:grid;align-content:start;gap:6px;margin:16px 0 0;padding:0;list-style:none;font-size:.9375rem;line-height:1.65;color:var(--muted);min-height:calc(3 * 1.65em + 12px)} /* space reserved: the hero must not jump when steps appear */
.demo-steps li{display:flex;align-items:center;gap:10px;transition:color .3s}
.demo-steps li::before{content:"";flex:none;width:18px;height:18px;border-radius:50%;border:2px solid rgba(165,180,203,.45);transition:background .3s,border-color .3s,box-shadow .3s}
.demo-steps li.on{color:var(--ink)}
.demo-steps li.on::before{border-color:var(--orange);box-shadow:0 0 12px rgba(234,88,12,.7)}
.demo-steps li.done{color:var(--text)}
.demo-steps li.done::before{background:var(--violet) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat;border-color:var(--violet)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* calculator */
.calc{margin-top:28px;display:grid;grid-template-columns:minmax(0,1fr);gap:22px}
.slider label{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-weight:600;color:var(--ink);font-size:.9375rem;margin-bottom:6px}
.slider output{font:600 1.0625rem/1 var(--display);color:var(--orange-l);font-variant-numeric:tabular-nums;white-space:nowrap}
.calc input[type=range]{width:100%;min-height:44px;margin:0;accent-color:var(--orange);cursor:pointer;background:transparent}
.calc-out{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:8px 0 0;padding:20px;border-radius:18px;background:rgba(124,58,237,.12);border:1px solid rgba(167,139,250,.3)}
.calc-out div{min-width:0}
.calc-out dt{font-size:.8125rem;color:var(--muted);line-height:1.35}
.calc-out dd{margin:6px 0 0;font:600 clamp(1.4rem,3vw,2rem)/1.1 var(--display);letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.calc-out dd.hl{background:linear-gradient(100deg,#93C5FD,#C4B5FD 60%,#FDBA74);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (max-width:519px){.calc-out{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px}.calc-out div:first-child{grid-column:1/-1}}
.fine{margin:0;font-size:.875rem;color:var(--muted)}
.calc .btn{white-space:normal;max-width:100%;line-height:1.3;padding-block:12px;text-align:left}

/* shared section bits */
.sec{padding:clamp(80px,12vw,160px) 0}
.label{display:flex;align-items:center;gap:12px;font:600 .8125rem/1.3 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--violet-l);margin-bottom:20px}
.label .n{font-family:var(--display);color:var(--ink);letter-spacing:0;font-variant-numeric:tabular-nums}
.label .dots{display:flex;gap:4px}
.label .dots i{width:6px;height:6px;border-radius:50%;background:currentColor}
.label .dots i:nth-child(2){opacity:.6}.label .dots i:nth-child(3){opacity:.3}
h2{font-size:clamp(2rem,4.2vw,3.25rem)}
.glass{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%)}
.sub{margin-top:16px;color:var(--text);max-width:38em}
.half{width:100%}
@media (min-width:900px){
  .half{width:54%}
  .half.right{margin-left:auto}
}

/* problem */
.problem .glass{padding:clamp(28px,5vw,64px);max-width:1040px;margin-inline:auto}
.problem h2{font-size:clamp(2rem,4.6vw,3.5rem)}
.problem h2 span{color:var(--orange-l)}
.chores{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 0;padding:0;list-style:none}
.chores li{position:relative;padding:10px 16px;border:1px dashed rgba(165,180,203,.45);border-radius:999px;color:var(--text);font-size:.9375rem}
.chores li::after{content:"";position:absolute;left:12px;right:12px;top:50%;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .7s cubic-bezier(.2,.8,.2,1)}
.problem.on .chores li::after{transform:scaleX(1)}
.problem.on .chores li:nth-child(2)::after{transition-delay:.15s}
.problem.on .chores li:nth-child(3)::after{transition-delay:.3s}
.problem.on .chores li:nth-child(4)::after{transition-delay:.45s}
.problem .sub{margin-top:28px;font-size:1.125rem}
.problem .sub strong{color:var(--ink)}

/* services */
.cards{display:grid;gap:16px;margin-top:48px;list-style:none;padding:0}
@media (min-width:768px){.cards{grid-template-columns:repeat(3,1fr);gap:20px}}
.card{padding:32px 28px;display:flex;flex-direction:column;gap:14px;transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-4px);border-color:rgba(167,139,250,.45)}
.card .top{display:flex;align-items:center;justify-content:space-between}
.ic{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(124,58,237,.35));border:1px solid rgba(167,139,250,.35);color:#E0E7FF}
.ic svg{width:26px;height:26px}
.card .num{font:500 .875rem/1 var(--display);color:var(--muted);font-variant-numeric:tabular-nums}
.card h3{font-size:1.25rem;font-weight:600;margin-top:6px}
.ticks{list-style:none;padding:14px 0 0;margin:auto 0 0;border-top:1px solid var(--line);display:grid;gap:8px;font-size:.9375rem;color:var(--ink)}
.ticks li{display:flex;gap:10px;align-items:baseline}
.ticks li::before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--blue-l);transform:translateY(-1px)}
.ticks li:last-child::before{background:var(--orange)}

/* process */
.steps{list-style:none;margin:44px 0 0;padding:0;position:relative;display:grid;gap:14px}
.steps::before{content:"";position:absolute;left:29px;top:30px;bottom:30px;width:2px;background:linear-gradient(var(--blue),var(--violet),var(--orange))}
.step{position:relative;display:grid;grid-template-columns:60px 1fr;gap:18px;padding:22px 24px 22px 0;align-items:start}
.step .dot{position:relative;z-index:1;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:var(--navy);border:2px solid rgba(167,139,250,.6);font:600 1.0625rem/1 var(--display);color:var(--ink);font-variant-numeric:tabular-nums}
.step:last-child .dot{border-color:var(--orange);box-shadow:0 0 22px rgba(234,88,12,.55)}
.step h3{font-size:1.125rem;font-weight:600;margin:8px 0 6px}
.step p{color:var(--text)}
.panel{padding:clamp(28px,4vw,52px)}

/* why */
.why-grid{display:grid;gap:14px;margin-top:40px}
@media (min-width:600px){.why-grid{grid-template-columns:1fr 1fr}}
.why{padding:24px;border-radius:20px;background:rgba(15,23,42,.7);border:1px solid var(--line)}
.why .ic{width:44px;height:44px;border-radius:14px;margin-bottom:16px}
.why .ic svg{width:22px;height:22px}
.why h3{font-size:1.0625rem;font-weight:600;margin-bottom:6px}

/* contact */
.contact h2{font-size:clamp(2rem,4.6vw,3.5rem)}
.mail{display:inline-flex;align-items:center;gap:10px;margin-top:18px;min-height:44px;color:var(--ink);font-weight:600;text-decoration-color:var(--orange);text-underline-offset:5px}
.mail svg{width:20px;height:20px;color:var(--orange-l)}
form{margin-top:32px;display:grid;gap:18px}
@media (min-width:600px){.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.row2 .field+.field{margin-top:0}}
.row2{display:grid;gap:18px}
.field label{display:block;font-weight:600;color:var(--ink);margin-bottom:8px;font-size:.9375rem}
.field label small{font-weight:400;color:var(--muted);font-size:.875rem}
.field input,.field textarea{width:100%;min-height:50px;padding:12px 16px;border-radius:14px;border:1px solid rgba(165,180,203,.4);background:rgba(5,8,22,.75);color:var(--ink);font:400 1rem/1.5 var(--body);transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--violet-l);box-shadow:0 0 0 3px rgba(167,139,250,.45)}
.field [aria-invalid="true"]{border-color:#FCA5A5}
.err{display:none;margin-top:6px;color:#FCA5A5;font-size:.9375rem;align-items:center;gap:6px}
.err svg{width:16px;height:16px;flex:none}
.field.bad .err{display:flex}
.submit-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.status{font-weight:600;color:var(--orange-l)}
.status:empty{display:none}

/* footer */
.site-footer{padding:0 0 96px}
.foot{display:grid;gap:28px;padding:36px clamp(24px,4vw,48px);font-size:.9375rem}
@media (min-width:768px){.foot{grid-template-columns:1.4fr 1fr 1fr auto;align-items:start}}
.foot address{font-style:normal}
.foot p,.foot address{color:var(--text)}
.foot a{min-height:44px;display:inline-flex;align-items:center;text-underline-offset:4px}
.foot .brand{margin-bottom:6px}
.legal{display:flex;flex-direction:column;gap:2px}

/* pause control + hud */
.corner{position:fixed;right:16px;bottom:14px;z-index:60;display:flex;align-items:center;gap:8px}
.corner .hud{position:static}
.pause{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;background:rgba(5,8,22,.85);border:1px solid var(--line);color:var(--ink);font:600 .8125rem/1 var(--body);cursor:pointer}
.pause svg{width:16px;height:16px}
.pause:hover{border-color:var(--violet-l)}
.anim-off *,.anim-off *::before,.anim-off *::after{animation-play-state:paused!important}
@media (max-width:599px){.pause .t{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.pause{padding:0 14px}}

/* badge + hud */
.badge{position:fixed;left:12px;bottom:12px;z-index:60;padding:8px 14px;border-radius:999px;background:rgba(5,8,22,.9);border:1px solid rgba(253,186,116,.5);color:var(--ink);font:600 .8125rem/1.3 var(--body);max-width:calc(100% - 24px)}
.hud{position:fixed;right:16px;bottom:14px;z-index:60;display:none;align-items:center;gap:10px;padding:8px 14px;border-radius:999px;background:rgba(5,8,22,.85);border:1px solid var(--line);font:600 .75rem/1.3 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--text)}
.hud i{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 10px var(--orange)}
@media (min-width:900px){.hud{display:flex}}

/* reveal */
@media (prefers-reduced-motion:no-preference){
  .js .rv{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
  .js .rv.in{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}

/* language switch */
.lang{display:flex;padding:3px;border:1px solid var(--line);border-radius:999px;background:rgba(5,8,22,.55)}
.lang button{min-width:42px;min-height:38px;border:0;border-radius:999px;background:none;color:var(--muted);font:600 .8125rem/1 var(--body);cursor:pointer;transition:background .2s,color .2s}
.lang button:hover{color:var(--ink)}
.lang button[aria-pressed="true"]{background:rgba(148,163,184,.18);color:var(--ink)}
.lang button:focus-visible{outline:3px solid var(--orange-l);outline-offset:2px}
@media (max-width:379px){.lang button{min-width:36px}}

/* contact form: spam trap + send states */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.btn:disabled{opacity:.7;cursor:wait}
.status.is-ok{color:var(--ink)}
.status.is-fail{color:#FCA5A5}
.status a{color:inherit;font-weight:700}

/* privacy page */
.legal-page main{padding:clamp(110px,14vw,150px) 0 72px}
.legal{max-width:760px;margin-inline:auto;padding:clamp(28px,5vw,56px)}
.legal h1{font-size:clamp(2.2rem,5vw,3.25rem);margin-bottom:8px}
.legal h2{font-size:1.35rem;margin:2em 0 .5em}
.legal p,.legal li{color:var(--text)}
.legal ul{padding-left:1.2em;display:grid;gap:.5em}
.legal a{color:var(--blue-l);text-underline-offset:4px}
.legal .muted-note{color:var(--muted);font-size:.9375rem;margin:0}
.legal .back{display:inline-flex;align-items:center;min-height:44px;margin-top:2em;font-weight:600;text-decoration:none;color:var(--ink)}
.legal-page .site-header{background:rgba(5,8,22,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
/* narrow phones: logo tile only, so logo + language switch + CTA fit with a gutter (the link keeps its aria-label) */
@media (max-width:399px){.site-header .brand b{display:none}.lang button{min-width:36px}}