/* StackERP — website proposal by ODSŁONA. Identity: deep green, mint and paper; stacked-layers mark. */
@font-face{font-family:Figtree;src:url(fonts/figtree-400.ttf) format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:Figtree;src:url(fonts/figtree-500.ttf) format("truetype");font-weight:500;font-display:swap}
@font-face{font-family:Figtree;src:url(fonts/figtree-600.ttf) format("truetype");font-weight:600;font-display:swap}
@font-face{font-family:Sora;src:url(fonts/sora-700.ttf) format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:Sora;src:url(fonts/sora-800.ttf) format("truetype");font-weight:800;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(fonts/ibm-plex-mono-400.ttf) format("truetype");font-weight:400;font-display:swap}
.sx{--deep:#18211d;--green:#28332f;--green-2:#1f2925;--mint:#c4e2a7;--mint-band:#e4efd8;--paper:#f3f4ee;--white:#fff;--muted:#5b6560;--line:#18211d26;--ease:cubic-bezier(.2,.75,.2,1);
  margin:0;background:var(--paper);color:var(--deep);font:400 17px/1.55 Figtree,sans-serif;-webkit-font-smoothing:antialiased}
.sx *{box-sizing:border-box}
.sx a{color:inherit;text-decoration:none}
.sx :is(h1,h2,h3,p,figure,ol,ul){margin-top:0}
.sx :is(a,button,summary):focus-visible{outline:3px solid #7fb35a;outline-offset:4px}
.sx mark{background:#fff3b0;color:#3d3300;padding:0 .3em;border-radius:3px;font-size:.92em}
.sx-skip{position:absolute;left:-999px;top:8px;z-index:99;background:var(--mint);padding:10px 14px}
.sx-skip:focus{left:8px}
.sx-wrap{width:min(1440px,calc(100% - clamp(40px,7vw,120px)));margin-inline:auto}

/* Proposal rail */
.sx-rail{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:9px clamp(20px,3.5vw,60px);background:#fff3b0;color:#3d3300;font-size:13px;line-height:1.4}
.sx-rail mark{background:#fff;color:#3d3300}
.sx-rail a{flex:none;font-weight:600;border-bottom:1px solid currentColor}

/* Header */
.sx-header{position:sticky;top:0;z-index:20;background:#18211df2;color:var(--paper);backdrop-filter:blur(10px)}
.sx-nav{display:flex;align-items:center;gap:32px;min-height:72px}
.sx-logo{display:inline-flex;align-items:center;gap:10px;font:800 22px/1 Sora,sans-serif;letter-spacing:-.03em}
.sx-logo b{color:var(--mint);font-weight:800}
.sx-logo svg{width:34px;height:28px}
.sx-logo .l1{fill:var(--mint)}.sx-logo .l2{fill:#7fa36a}.sx-logo .l3{fill:#4d6a50}
.sx-links{display:flex;gap:26px;margin-left:auto;font-weight:600;font-size:15px}
.sx-links a{opacity:.82}.sx-links a:hover{opacity:1;color:var(--mint)}

/* Buttons */
.sx-button{display:inline-flex;align-items:center;gap:22px;min-height:54px;padding:15px 22px;background:var(--mint);color:var(--deep);font:600 16px/1.2 Figtree,sans-serif;border-radius:999px;transition:transform .2s,background .2s}
.sx-button:hover{background:#d6edc0;transform:translateY(-2px)}
.sx-button span{font-size:20px;line-height:1}
.sx-button--small{min-height:44px;padding:10px 18px;font-size:14.5px}
.sx-button--dark{background:var(--deep);color:var(--paper)}
.sx-button--dark:hover{background:#2c3a33}
.sx-link{display:inline-flex;align-items:center;gap:18px;padding:8px 0;border-bottom:1px solid currentColor;font-weight:600;font-size:15.5px}
.sx-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 26px}

/* Hero */
.sx-hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 78% 30%,#2e3c35 0,#18211d 62%);color:var(--paper);padding:clamp(56px,7vw,110px) 0 clamp(60px,7vw,110px)}
.sx-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(#ffffff08 1px,transparent 1px) 0 0/100% 48px,linear-gradient(90deg,#ffffff08 1px,transparent 1px) 0 0/48px 100%;mask:linear-gradient(90deg,transparent,#000 60%)}
.sx-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:center}
.sx h1{font:800 clamp(48px,6.2vw,100px)/.98 Sora,sans-serif;letter-spacing:-.04em;margin:0}
.sx h1 em{display:block;font-style:normal;color:var(--mint)}
.sx-lead{font-size:clamp(18px,1.45vw,22px);line-height:1.5;color:#cdd6cf;max-width:32em;margin:26px 0 32px}

/* Flow diagram */
.sx-flow{display:grid;grid-template-columns:minmax(0,1fr) 64px minmax(0,1fr);align-items:center;margin:0}
.sx-flow-sources{display:grid;gap:14px}
.sx-node{display:grid;grid-template-columns:auto 1fr;column-gap:12px;padding:14px 16px;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:14px}
.sx-node i{grid-row:1/3;align-self:center;font:400 12px "IBM Plex Mono",monospace;font-style:normal;color:var(--mint)}
.sx-node b{font-weight:600}
.sx-node span{font-size:13.5px;color:#aab6ae}
.sx-flow-lines{width:100%;height:100%;min-height:240px;overflow:visible}
.sx-flow-lines path{fill:none;stroke:#c4e2a759;stroke-width:1.5;vector-effect:non-scaling-stroke}
.sx-flow-lines circle{fill:var(--mint);offset-rotate:0deg}
.sx-flow-lines .p1{offset-path:path("M0 50C60 50 60 150 120 150")}
.sx-flow-lines .p2{offset-path:path("M0 150H120")}
.sx-flow-lines .p3{offset-path:path("M0 250C60 250 60 150 120 150")}
.sx-flow-lines circle{animation:sx-travel 2.6s linear infinite}
.sx-flow-lines .p2{animation-delay:-.9s}.sx-flow-lines .p3{animation-delay:-1.7s}
@keyframes sx-travel{from{offset-distance:0%}to{offset-distance:100%}}
.sx-core{position:relative;display:grid;justify-items:start;gap:4px;padding:24px;background:var(--mint);color:var(--deep);border-radius:22px;box-shadow:0 30px 60px -30px #000c}
.sx-core svg{width:44px;height:36px;margin-bottom:8px}
.sx-core .l1{fill:var(--deep)}.sx-core .l2{fill:#4d6a50}.sx-core .l3{fill:#7fa36a}
.sx-core b{font:700 21px/1.1 Sora,sans-serif;letter-spacing:-.03em}
.sx-core>span{font-size:14px;color:#3a4a3f}
.sx-core-out{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.sx-core-out span{padding:5px 10px;background:#ffffffa6;border-radius:999px;font-size:13px;font-weight:600}

/* Sections & heading */
.sx-section{padding:clamp(64px,7vw,104px) 0;scroll-margin-top:72px}
.sx-paper{background:var(--paper)}.sx-white{background:var(--white)}.sx-mint{background:var(--mint-band)}.sx-dark{background:var(--green);color:#eef2ea}
.sx-head{display:grid;grid-template-columns:1.05fr 1fr;gap:8%;align-items:end;margin-bottom:clamp(36px,4vw,52px)}
.sx-head--single{grid-template-columns:1fr}
.sx-head h2{font:700 clamp(36px,4.2vw,66px)/1.04 Sora,sans-serif;letter-spacing:-.045em;margin:0}
.sx-head h2 em{font-style:normal;color:#4d7a3f}
.sx-dark .sx-head h2 em{color:var(--mint)}
.sx-head>div{max-width:520px}
.sx-head p{font-size:clamp(17px,1.4vw,20px);line-height:1.5;color:var(--muted);margin:0}
.sx-dark .sx-head p{color:#c3cec5}
.sx-note{margin:24px 0 0;font-size:14px;color:var(--muted)}
.sx-dark .sx-note{color:#aab6ae}

/* Cards */
.sx-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(22px,3vw,40px)}
.sx-card{padding:26px;background:var(--white);border-radius:20px;box-shadow:0 20px 40px -32px #18211d80}
.sx-card svg{display:block;width:72px;height:52px;margin-bottom:18px;overflow:visible}
.sx svg .o{fill:none;stroke:var(--deep);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.sx svg .f{fill:var(--mint)}
.sx-card h3{font:600 clamp(20px,1.6vw,25px)/1.2 Figtree,sans-serif;letter-spacing:-.03em;margin:0 0 8px}
.sx-card p{margin:0;color:var(--muted)}

/* Route */
.sx-route{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 0 clamp(40px,5vw,64px);padding:0}
.sx-route li{position:relative;padding:30px 28px 0 0}
.sx-route li:before{content:"";position:absolute;top:7px;left:0;right:0;height:2px;background:linear-gradient(90deg,#7fa36a,#18211d1f)}
.sx-route-dot{position:absolute;top:0;left:0;width:16px;height:16px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px var(--white),0 0 0 6px #7fa36a}
.sx-route h3{font:700 clamp(24px,2.2vw,34px)/1.05 Sora,sans-serif;letter-spacing:-.04em;margin:0 0 8px}
.sx-route p{margin:0 0 10px;color:var(--muted)}
.sx-route small{display:inline-block;padding:5px 10px;border-radius:999px;background:var(--mint-band);font:400 13px "IBM Plex Mono",monospace;color:#2e4a2a}

/* Before / after */
.sx-compare{padding:clamp(22px,3vw,40px);background:var(--paper);border-radius:24px}
.sx-compare-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
.sx-compare-head h3{font:700 clamp(22px,2vw,30px)/1.1 Sora,sans-serif;letter-spacing:-.035em;margin:0}
.sx-toggle{display:inline-flex;padding:4px;background:var(--white);border-radius:999px;box-shadow:inset 0 0 0 1px var(--line)}
.sx-toggle button{min-height:42px;padding:8px 18px;border:0;border-radius:999px;background:none;font:600 15px Figtree,sans-serif;color:var(--deep);cursor:pointer}
.sx-toggle button[aria-pressed=true]{background:var(--deep);color:var(--mint)}
.sx-compare-stage{min-height:230px}
.sx-before{display:flex;flex-wrap:wrap;gap:12px;align-content:flex-start}
.sx-before span{padding:12px 16px;background:var(--white);border:1px dashed #18211d55;border-radius:12px;font-weight:600;transform:rotate(var(--r,0deg))}
.sx-before span:nth-child(2){--r:-2deg}.sx-before span:nth-child(3){--r:1.5deg}.sx-before span:nth-child(4){--r:-1deg}.sx-before span:nth-child(5){--r:2deg}.sx-before span:nth-child(6){--r:-1.5deg}
.sx-before p,.sx-after p{flex-basis:100%;margin:14px 0 0;color:var(--muted)}
.sx-after{display:grid;grid-template-columns:auto 1fr;gap:16px 22px;align-items:center}
.sx-after-core{display:grid;gap:2px;padding:22px 24px;background:var(--deep);color:var(--paper);border-radius:18px}
.sx-after-core b{font:700 22px/1.1 Sora,sans-serif;color:var(--mint)}
.sx-after-core span{font-size:14px;color:#c3cec5}
.sx-after-mods{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.sx-after-mods span{padding:14px;background:var(--mint);border-radius:12px;font-weight:600;text-align:center}
.sx-after p{grid-column:1/-1}
.sx [hidden]{display:none!important}

/* Boxes */
.sx-boxes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.sx-box{display:flex;flex-direction:column;padding:clamp(24px,2.6vw,34px);background:var(--green-2);border:1px solid #c4e2a72e;border-radius:22px}
.sx-tag{display:inline-block;margin-bottom:10px;font:400 13px "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--mint)}
.sx-mint .sx-tag{color:#4d7a3f}
.sx-box h3{font:700 clamp(24px,2.2vw,32px)/1.05 Sora,sans-serif;letter-spacing:-.04em;color:#fff;margin:0 0 12px}
.sx-box p{color:#c3cec5;margin:0 0 20px}
.sx-box strong{margin-top:auto;padding-top:14px;border-top:1px solid #c4e2a733;color:var(--mint);font-weight:600}

/* Together */
.sx-duo{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:22px;align-items:stretch}
.sx-duo article{padding:clamp(24px,2.6vw,34px);background:var(--white);border-radius:22px}
.sx-duo h3{font:700 clamp(22px,2vw,30px)/1.1 Sora,sans-serif;letter-spacing:-.035em;margin:0 0 10px}
.sx-duo p{color:var(--muted)}
.sx-duo-plus{align-self:center;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--deep);color:var(--mint);font:700 28px Sora,sans-serif}
.sx-team{margin-top:28px;padding:22px 26px;border:1px dashed #4d7a3f80;border-radius:18px}
.sx-team h3{font:600 18px Figtree,sans-serif;margin:0 0 6px}
.sx-team p{margin:0}

/* FAQ */
.sx-faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:8%;align-items:start}
.sx-faq details{border-bottom:1px solid var(--line)}
.sx-faq details:first-child{border-top:1px solid var(--line)}
.sx-faq summary{display:flex;justify-content:space-between;gap:20px;padding:22px 0;font:600 clamp(18px,1.4vw,21px)/1.3 Figtree,sans-serif;cursor:pointer;list-style:none}
.sx-faq summary::-webkit-details-marker{display:none}
.sx-faq summary:after{content:"+";flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--mint);font:400 22px/1 Figtree,sans-serif;transition:transform .25s}
.sx-faq details[open] summary:after{transform:rotate(45deg)}
.sx-faq details p{margin:0 0 22px;color:var(--muted);max-width:60ch}

/* CTA & footer */
.sx-cta{background:var(--mint);padding:clamp(56px,6vw,90px) 0}
.sx-cta-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:8%;align-items:end}
.sx-cta h2{font:700 clamp(36px,4.2vw,66px)/1.04 Sora,sans-serif;letter-spacing:-.045em;margin:0}
.sx-cta p{font-size:clamp(17px,1.4vw,20px);margin:0 0 22px;max-width:520px}
.sx-cta-note{font-size:14px}
.sx-footer{background:var(--deep);color:#c3cec5;padding:44px 0}
.sx-footer-grid{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 40px}
.sx-footer p{margin:0;font-size:14px}
.sx-logo--light{color:var(--paper)}

@media(max-width:1100px){.sx-hero-grid{grid-template-columns:1fr}.sx-flow{max-width:640px}.sx-links{display:none}.sx-nav{justify-content:space-between}}
@media(max-width:860px){.sx-head,.sx-cta-grid,.sx-faq-grid{grid-template-columns:1fr;row-gap:16px}.sx-cards,.sx-boxes,.sx-route{grid-template-columns:1fr}.sx-route{row-gap:32px}.sx-duo{grid-template-columns:1fr}.sx-duo-plus{justify-self:center}.sx-after{grid-template-columns:1fr}.sx-after-mods{grid-template-columns:1fr 1fr}.sx-rail{flex-direction:column;align-items:flex-start;gap:6px}}
@media(max-width:560px){.sx-flow{grid-template-columns:1fr;gap:12px}.sx-flow-lines{display:none}.sx-compare-head{flex-direction:column;align-items:flex-start}.sx-button--small{display:none}}
@media(prefers-reduced-motion:reduce){.sx-flow-lines circle{animation:none;offset-distance:60%}.sx-button,.sx-faq summary:after{transition:none}.sx-button:hover{transform:none}}

/* Buttons keep their own text colour (the generic link rule must not override it). */
.sx a.sx-button{color:var(--deep)}
.sx a.sx-button--dark{color:var(--paper)}
.sx-flow-lines path{stroke:#c4e2a799;stroke-width:2}

/* Production additions: 4-step route, module filter and cards, contact form. */
.sx-route--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.sx-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.sx-chips button{min-height:42px;padding:8px 18px;border:1px solid #c4e2a74d;border-radius:999px;background:none;color:#eef2ea;font:600 15px Figtree,sans-serif;cursor:pointer}
.sx-chips button[aria-pressed=true]{background:var(--mint);border-color:var(--mint);color:var(--deep)}
.sx-modules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.sx-module{display:flex;flex-direction:column;padding:clamp(22px,2.4vw,30px);background:var(--green-2);border:1px solid #c4e2a72e;border-radius:22px}
.sx-module h3{font:700 clamp(21px,1.8vw,26px)/1.1 Sora,sans-serif;letter-spacing:-.02em;color:#fff;margin:0 0 10px}
.sx-module>p{color:#c3cec5;margin:0 0 16px}
.sx-module ul{list-style:none;margin:auto 0 0;padding:14px 0 0;border-top:1px solid #c4e2a733;display:grid;gap:8px}
.sx-module li{position:relative;padding-left:24px;font-size:15px;line-height:1.45;color:#dfe7df}
.sx-module li:before{content:"✓";position:absolute;left:0;color:var(--mint);font-weight:700}
.sx-cta-list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:8px}
.sx-cta-list li{position:relative;padding-left:26px;font-weight:600}
.sx-cta-list li:before{content:"✓";position:absolute;left:0}
.sx-cta-mail a{font-weight:700;border-bottom:1px solid currentColor}
.sx-form{display:grid;gap:14px;padding:clamp(22px,2.6vw,32px);background:#ffffffb3;border-radius:22px}
.sx-form label{display:grid;gap:6px;font-weight:600;font-size:15px}
.sx-form :is(input,textarea){width:100%;min-height:50px;padding:12px 14px;border:1px solid #18211d40;border-radius:12px;background:#fff;color:var(--deep);font:400 16px/1.4 Figtree,sans-serif}
.sx-form textarea{min-height:130px;resize:vertical}
.sx-form :is(input,textarea):focus{outline:3px solid #7fb35a80;border-color:var(--deep)}
.sx-form button{justify-self:start;border:0;cursor:pointer}
.sx-form-note{margin:0;font-size:14px;color:#3a4a3f}
.sx h1,.sx h2{letter-spacing:-.02em}
.sx h1{font-size:clamp(42px,5.2vw,84px)}
.sx-head h2,.sx-cta h2{font-size:clamp(32px,3.7vw,58px)}
@media(max-width:1100px){.sx-modules{grid-template-columns:1fr 1fr}.sx-route--4{grid-template-columns:1fr 1fr;row-gap:32px}}
@media(max-width:700px){.sx-modules,.sx-route--4{grid-template-columns:1fr}}