/* Layout: one 1200px grid with a 24px gutter. Navy fields for the hero, the card's inside and the closing footer;
   light ground everywhere else, surfaces separated by tone steps instead of lines. One accent: Silnix blue. */
:root{
  --navy:#0B1F3A; --navy-2:#11284A; --ground:#F2F4F9; --tone:#E6EBF4; --paper:#FFFFFF;
  --ink:#0B1F3A; --ink-soft:#4C5876; --accent:#2F6BFF; --accent-ink:#FFFFFF; --star:#F4B400;
  --on-navy:#FFFFFF; --on-navy-soft:#C6D2EA;
  --display:"Bricolage Grotesque","Avenir Next","Segoe UI",system-ui,sans-serif;
  --body:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --code:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --gap-section:clamp(88px,11vw,160px);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ground:#07111F;--tone:#0F1E35;--paper:#132643;--ink:#E9EFF9;--ink-soft:#A7B4CF;--accent:#4D82FF;color-scheme:dark}}
:root[data-theme="dark"]{--ground:#07111F;--tone:#0F1E35;--paper:#132643;--ink:#E9EFF9;--ink-soft:#A7B4CF;--accent:#4D82FF;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font:18px/1.55 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:8px}
.wrap{max-width:1200px;margin:0 auto;padding-inline:24px}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;font-weight:800;letter-spacing:-.03em}
h2{font-size:clamp(36px,4.8vw,64px);line-height:1}
h3{font-size:24px;line-height:1.15;letter-spacing:-.015em;font-weight:700}
p{margin:0;text-wrap:pretty}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:999px;text-decoration:none;font-weight:600}
.skip:focus{top:12px}

/* buttons: flat, one fill, fully round */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;border:0;
  font:600 17px/1 var(--body);text-decoration:none;cursor:pointer;transition:transform .2s,background-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{background:#2459E0}
.btn-wa{background:#1FA855;color:#fff}
.textlink{font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px}

/* header: plain bar */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--navy);color:var(--on-navy)}
.bar{display:flex;align-items:center;gap:28px;min-height:72px}
.logo img{height:32px;width:auto}
nav{display:flex;gap:26px;align-items:center;margin-left:auto}
nav a{text-decoration:none;font-weight:500;font-size:16px;color:var(--on-navy-soft);transition:color .2s}
nav a:hover,nav a[aria-current]{color:var(--on-navy)}
.langs{display:flex;gap:12px}
.langs a{font-size:14px;font-weight:600}
.langs a[aria-current]{text-decoration:underline;text-underline-offset:5px}
.bar .btn{min-height:44px;padding:0 20px;font-size:15px}

/* hero */
.hero{background:var(--navy);color:var(--on-navy);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;padding-block:64px 96px}
.hero h1{font-size:clamp(54px,7.4vw,112px);line-height:.92;letter-spacing:-.045em;margin-bottom:28px}
.hero h1 span{display:block}
.lead{font-size:clamp(18px,1.6vw,21px);line-height:1.5;color:var(--on-navy);max-width:27em;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px}
.hero-actions p{color:var(--on-navy-soft);font-size:16px}
.scene{position:relative;height:600px;max-width:100%}
.phone{position:absolute;right:4%;top:10px;width:276px;border-radius:42px;padding:10px;background:#040C18;box-shadow:0 40px 80px -36px rgba(0,0,0,.8)}
.phone img{border-radius:33px;width:100%;height:auto}
.waves{position:absolute;right:calc(4% + 200px);top:170px;width:150px;height:150px;pointer-events:none}
.waves i{position:absolute;inset:0;border-radius:50%;border:2px solid #8FB0FF;opacity:.5;transform:scale(.5)}
.waves i:nth-child(2){transform:scale(.75);opacity:.32}.waves i:nth-child(3){transform:scale(1);opacity:.18}
.card{position:absolute;left:2%;top:170px;width:188px;aspect-ratio:540/900;border-radius:16px;box-shadow:0 34px 60px -26px rgba(0,0,0,.75);transform:translate(60px,-10px) rotate(-7deg)}
.card img{width:100%;height:100%;border-radius:16px}
.toast{position:absolute;right:calc(4% + 160px);top:54px;display:flex;align-items:center;gap:10px;background:var(--on-navy);color:var(--navy);
  padding:12px 18px;border-radius:999px;font-weight:600;font-size:15px;white-space:nowrap}
.toast .ok{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#1FA855;color:#fff;font-size:14px;font-weight:700;flex:none}
@media (prefers-reduced-motion:no-preference){
  .card{animation:tap 6.5s cubic-bezier(.45,0,.2,1) infinite}
  .waves i{animation:ripple 6.5s ease-out infinite}
  .waves i:nth-child(2){animation-delay:.18s}.waves i:nth-child(3){animation-delay:.36s}
  .toast{animation:pop 6.5s ease-out infinite}
}
@keyframes tap{0%,8%{transform:translate(-30px,60px) rotate(-14deg)}32%,66%{transform:translate(60px,-10px) rotate(-7deg)}90%,100%{transform:translate(-30px,60px) rotate(-14deg)}}
@keyframes ripple{0%,30%{opacity:0;transform:scale(.35)}38%{opacity:.7}60%{opacity:0;transform:scale(1.25)}100%{opacity:0;transform:scale(1.25)}}
@keyframes pop{0%,40%{opacity:0;transform:translateY(10px) scale(.96)}46%,84%{opacity:1;transform:none}92%,100%{opacity:0;transform:translateY(-6px)}}

/* option B: blurred photos of real-looking businesses behind the hero */
.hero{position:relative;isolation:isolate}
.hero > .wrap{position:relative;z-index:1}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-bg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.hero-bg img:first-child{opacity:1}
.hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,31,58,.92) 0%,rgba(11,31,58,.8) 34%,rgba(11,31,58,.32) 56%,rgba(11,31,58,.08) 100%)}
@media (prefers-reduced-motion:no-preference){.hero-bg img{animation:slide 42s ease-in-out infinite both}}
@keyframes slide{0%{opacity:0;transform:scale(1)}3%{opacity:1}16.67%{opacity:1}20%{opacity:0;transform:scale(1.07)}100%{opacity:0;transform:scale(1.07)}}
@media (max-width:980px){.hero-bg:after{background:linear-gradient(180deg,rgba(11,31,58,.88) 0%,rgba(11,31,58,.72) 50%,rgba(11,31,58,.4) 100%)}}

/* compatibility line */
.works{background:var(--tone)}
.works p{padding-block:26px;font-size:17px;max-width:62em}

section{padding-block:var(--gap-section) calc(var(--gap-section) * 1.1)}
section + section{padding-top:0}
.intro{display:grid;gap:18px;max-width:40em;margin-bottom:56px}
.intro p{font-size:20px}

/* what you can write */
.writes{display:grid;grid-template-columns:repeat(3,1fr);gap:44px 36px}
.writes div{display:grid;gap:8px;align-content:start}
.writes h3{font-size:clamp(26px,2.5vw,34px);font-weight:800;letter-spacing:-.025em}
.writes p{color:var(--ink-soft)}
.tags{margin-top:44px;font-size:18px;max-width:46em}
@media (max-width:980px){.writes{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.writes{grid-template-columns:1fr;gap:28px}}

/* link anatomy */
.anatomy{display:grid;grid-template-columns:1.7fr 1fr;border-radius:28px;overflow:hidden}
.seg{display:grid;gap:14px;padding:30px 30px 26px;min-width:0}
.seg code{font:500 clamp(15px,1.6vw,20px)/1.45 var(--code);overflow-wrap:anywhere}
.seg span{font-size:15px;font-weight:600}
.seg.fixed{background:var(--tone)}
.seg.fixed span{color:var(--ink-soft)}
.seg.id{background:var(--accent);color:var(--accent-ink)}

/* features: one statement panel beside a plain list */
.features{display:grid;grid-template-columns:1fr 1.1fr;gap:20px;align-items:stretch}
.statement{background:var(--navy);color:var(--on-navy);border-radius:32px;padding:44px;display:grid;align-content:space-between;gap:36px;min-width:0}
.statement h3{font-size:clamp(34px,3.6vw,48px);font-weight:800;letter-spacing:-.03em}
.statement p{color:var(--on-navy-soft);font-size:19px;max-width:24em;margin-top:14px}
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font:700 clamp(20px,2vw,26px)/1.2 var(--display);letter-spacing:-.01em}
.chain i{font-style:normal;color:var(--on-navy-soft);font-weight:500}
.chain b:last-child{color:#8FB0FF}
.flist{display:grid;gap:4px;align-content:start;min-width:0}
.flist div{background:var(--tone);padding:28px 30px;display:grid;gap:8px}
.flist div:first-child{border-radius:32px 32px 8px 8px}
.flist div:last-child{border-radius:8px 8px 32px 32px}
.flist div:not(:first-child):not(:last-child){border-radius:8px}

/* gallery of real app screens */
.gallery-field{background:var(--tone)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start}
.shot{display:grid;gap:18px;min-width:0}
.shot:nth-child(2){margin-top:72px}
.shot:nth-child(3){margin-top:24px}
.shot .frame{border-radius:36px;padding:9px;background:var(--navy)}
.shot img{border-radius:28px;width:100%;height:auto}
.shot p{color:var(--ink-soft);font-size:17px}

/* steps: a sentence-like sequence */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px 32px}
.steps div{display:grid;gap:10px;align-content:start}
.steps h3{font-size:clamp(28px,2.8vw,36px);font-weight:800;letter-spacing:-.025em}
.steps div:not(:last-child) h3:after{content:" →";color:var(--accent)}

/* business types as a typographic run */
.uses{font:800 clamp(32px,4.6vw,64px)/1.08 var(--display);letter-spacing:-.035em;max-width:16em}
.uses span{white-space:nowrap}
.uses i{font-style:normal;color:var(--accent)}

/* inside the card: exploded view */
.inside{background:var(--navy);color:var(--on-navy);overflow:hidden;padding-top:var(--gap-section)!important}
.inside-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:center}
.inside .intro p{color:var(--on-navy-soft)}
.inside h2,.shop h2{font-size:clamp(32px,3.5vw,50px)}
.layers{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.layers li{display:grid;grid-template-columns:16px 1fr;gap:2px 16px;transition:opacity .4s}
.layers li:before{content:"";grid-row:span 2;width:16px;height:16px;border-radius:5px;margin-top:6px;background:var(--sw)}
.layers b{font:700 20px/1.3 var(--display)}
.layers span{color:var(--on-navy-soft);font-size:16px}
.inside.js .layers li{opacity:.38}.inside.js .layers li.on{opacity:1}
.stage{position:relative;height:660px;perspective:1700px;--p:1;min-width:0}
.sparks{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2}
.iso{position:absolute;left:50%;top:56%;width:236px;aspect-ratio:540/900;transform:translate(-50%,-50%) rotateX(58deg) rotateZ(-36deg);transform-style:preserve-3d}
.layer{position:absolute;inset:0}
.layer svg{width:100%;height:100%;display:block}
.layer.inlay{transform:translateZ(calc(var(--p) * 120px))}
.layer.face{transform:translateZ(calc(var(--p) * 250px + 2px))}

/* order */
.shop{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.shop-copy{display:grid;gap:22px;min-width:0}
.points{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.points li{display:flex;gap:14px;align-items:flex-start}
.points li:before{content:"";flex:none;width:10px;height:10px;border-radius:3px;background:var(--accent);margin-top:10px}
.order{background:var(--tone);border-radius:32px;padding:34px;display:grid;gap:16px;min-width:0}
.field{display:grid;gap:7px}
.field label{font-weight:600;font-size:15px}
.field input,.field select,.field textarea{font:inherit;font-size:17px;color:var(--ink);background:var(--paper);border:2px solid transparent;border-radius:14px;padding:13px 15px;width:100%;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.form-note{color:var(--ink-soft);font-size:14px}
.form-error{color:#D1343B;font-weight:600;font-size:15px}

/* footer: the closing */
footer{background:var(--navy);color:var(--on-navy);padding-block:96px 40px}
.close{display:grid;gap:40px}
.close .mark{width:min(640px,100%);height:auto}
.close-row{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:end}
.close-row p{color:var(--on-navy-soft);font-size:20px;max-width:28em}
.mail{font:800 clamp(24px,3vw,40px)/1.1 var(--display);letter-spacing:-.02em;color:var(--on-navy);text-decoration:none;overflow-wrap:anywhere}
.mail:hover{text-decoration:underline;text-underline-offset:6px}
.copy{background:none;border:0;padding:0;font:600 16px/1 var(--body);color:var(--on-navy-soft);cursor:pointer;text-decoration:underline;text-underline-offset:4px;justify-self:start}
.legal{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:15px;color:var(--on-navy-soft)}
.legal a{color:var(--on-navy)}
.tm{font-size:13px;color:var(--on-navy-soft);flex-basis:100%}

/* reveal on scroll (only when JS runs and motion is allowed) */
.rv-on .rv{opacity:0;transform:translateY(26px)}
.rv-on .rv.in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--d,0) * 80ms)}

/* legal pages and 404 */
.doc{max-width:780px;padding-block:72px 40px}
.doc h1{font-size:clamp(38px,5vw,56px);margin-bottom:10px}
.doc h2{font-size:26px;margin:38px 0 10px;letter-spacing:-.02em}
.doc p,.doc li{font-size:17px}
.doc .meta{color:var(--ink-soft)}
.doc .split{height:72px}
.doc code{font-family:var(--code);font-size:.9em}
.doc ul{padding-left:1.2em}
.nf{padding-block:120px;display:grid;gap:20px;max-width:40em}
.nf h1{font-size:clamp(44px,7vw,88px);line-height:.95}

@media (max-width:980px){
  .hero .wrap,.inside-grid,.shop,.features,.close-row{grid-template-columns:1fr}
  .scene{height:560px;width:100%;max-width:460px;margin:0 auto}
  .anatomy{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .stage{height:560px}
  nav a.nav-link{display:none}
}
@media (max-width:640px){
  .bar{gap:14px}.bar .btn{padding:0 14px;font-size:14px;min-height:40px}.langs{gap:8px}.langs a{font-size:13px}
  .hero h1{font-size:clamp(40px,11.4vw,64px)}
  .scene{height:480px}
  .phone{width:216px;right:0}
  .card{width:146px;top:150px;left:0}
  .waves{right:150px;top:130px;width:120px;height:120px}
  .toast{right:24px;top:30px;font-size:13px;padding:9px 13px}
  .gallery{grid-template-columns:1fr 1fr}.shot:nth-child(3){display:none}.shot:nth-child(2){margin-top:40px}
  .steps,.two-col{grid-template-columns:1fr}
  .steps div:not(:last-child) h3:after{content:" ↓"}
  .stage{height:480px}.iso{width:176px}
  .statement,.order{padding:28px}
}
@media (max-width:420px){.bar .logo img{height:26px}.langs{display:none}}