@font-face{font-family:Vazirmatn;src:url('../fonts/Vazirmatn-Variable.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}

/* ==========================================================================
   1. TOKENS — the only place raw values live. Everything below uses var(--*).
   Breakpoints (min-width, mobile first): 480 · 600 · 768 · 900 · 1024 (nav) · 1100
   ========================================================================== */
:root{
  /* colour: surfaces */
  --surface:#ece9f2;--card:#fff;--card-soft:#f5f3f9;--ink:#0d0d10;
  /* colour: text (all AA on the surface they are used on) */
  --ink-2:#34343f;--muted:#5d5d6c;--on-dark:#f4f2f8;--on-dark-muted:#b9b6c6;
  /* colour: accents */
  --lime:#d6fb73;--purple:#8a5cf0;--purple-soft:#e4dafc;--purple-ink:#5a2fc2;
  /* colour: form states */
  --ok:#1d6b34;--error:#b3261e;
  /* colour: lines and focus */
  --line:rgba(13,13,16,.14);--line-strong:rgba(13,13,16,.28);--line-inv:rgba(255,255,255,.14);--focus:#5a2fc2;--focus-inv:#d6fb73;
  /* type */
  --fa:Vazirmatn,Tahoma,sans-serif;
  --fs-xs:.8125rem;--fs-sm:.9375rem;--fs-md:1rem;--fs-lg:1.125rem;--fs-h3:1.125rem;
  --fs-h2:clamp(1.6rem,1.2rem + 1.6vw,2.4rem);--fs-hero:clamp(2rem,1.3rem + 2.6vw,3.4rem);
  --lh-tight:1.5;--lh-body:1.9;--fw-reg:400;--fw-semi:600;--fw-bold:800;
  /* space (4px base) */
  --s-1:.25rem;--s-2:.5rem;--s-3:.75rem;--s-4:1rem;--s-5:1.5rem;--s-6:2rem;--s-7:3rem;--s-8:4.5rem;--s-9:6rem;
  /* shape */
  --r-xs:12px;--r-sm:16px;--r-card:24px;--r-pill:999px;
  --shadow-card:0 1px 0 rgba(13,13,16,.04),0 14px 34px -18px rgba(60,40,120,.28);
  /* layout */
  --gutter:clamp(1.25rem,5vw,4rem);--shell:1240px;--head-h:72px;
  /* motion */
  --ease:cubic-bezier(.2,.7,.2,1);--dur-1:.18s;--dur-2:.55s;
}

/* ==========================================================================
   2. BASE
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-padding-top:calc(var(--head-h) + 1rem);-webkit-text-size-adjust:100%}
body{font-family:var(--fa);font-size:var(--fs-md);line-height:var(--lh-body);background:var(--surface);color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:clip}
h1,h2,h3,h4{line-height:var(--lh-tight);font-weight:var(--fw-bold)}
h1{font-size:var(--fs-hero);line-height:1.35}
h2{font-size:var(--fs-h2)}
h3,h4{font-size:var(--fs-h3)}
p{color:var(--ink-2)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{list-style:none;padding:0}
svg{display:block}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.foot :focus-visible{outline-color:var(--focus-inv)}
.symbols{position:absolute;width:0;height:0;overflow:hidden}
.shell{max-width:var(--shell);padding-inline:var(--gutter);margin-inline:auto}
.skip{position:fixed;top:-6rem;inset-inline-end:1rem;z-index:100;background:var(--lime);color:var(--ink);padding:.7rem 1.1rem;border-radius:var(--r-pill);font-weight:var(--fw-semi)}
.skip:focus{top:.75rem}
main:focus{outline:none}

/* SVG paint helpers (SVG attributes cannot read CSS variables) */
.f-ink{fill:var(--ink)}.f-lime{fill:var(--lime)}.f-purple{fill:var(--purple)}.f-purple-soft{fill:var(--purple-soft)}.f-white{fill:var(--card)}.f-soft{fill:var(--card-soft)}.f-ink-soft{fill:var(--ink);opacity:.18}
.s-ink{stroke:var(--ink)}.s-ink-soft{stroke:var(--ink);opacity:.28}
.s-dash-sm{stroke:var(--ink);stroke-width:1.4;stroke-dasharray:3 4;opacity:.45}

/* ==========================================================================
   3. COMPONENTS
   ========================================================================== */
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:var(--fs-xs);font-weight:var(--fw-semi);line-height:1.6;color:var(--purple-ink)}
.eyebrow::before{content:"";flex:none;width:.6rem;height:.6rem;background:var(--lime);border:1.5px solid var(--ink)}

.pill-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.7rem;min-height:48px;padding-inline:1.5rem;border:1.5px solid var(--ink);border-radius:var(--r-pill);background:var(--lime);color:var(--ink);font-size:var(--fs-sm);font-weight:var(--fw-semi);line-height:1.4;white-space:nowrap;transition:background-color var(--dur-1) var(--ease),color var(--dur-1) var(--ease)}
.pill-btn svg{width:1rem;height:1rem;flex:none}
.pill-btn:hover{background:var(--ink);color:var(--lime)}
.pill-btn--ghost{background:transparent}
.pill-btn--ghost:hover{background:var(--ink);color:var(--on-dark)}
.pill-btn:disabled{opacity:.6;cursor:progress}

.card{padding:var(--s-5);background:var(--card);border-radius:var(--r-card);box-shadow:var(--shadow-card)}
.chip{align-self:flex-start;padding:.35rem .9rem;border-radius:var(--r-sm);background:var(--lime);font-size:var(--fs-xs);font-weight:var(--fw-semi);color:var(--ink);line-height:1.6}

/* ==========================================================================
   4. LAYOUT: header, drawer, sections, footer
   ========================================================================== */
.head{position:sticky;top:0;z-index:50;height:var(--head-h);background:var(--surface);border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;gap:var(--s-5);height:100%}
.brand{position:relative;display:inline-flex;min-height:44px;align-items:center;gap:.6rem;font-size:1.3rem;font-weight:var(--fw-bold);line-height:1;white-space:nowrap}
.brand svg{width:1.7rem;height:1.7rem}
.brand::before,.drawer-mail::before{content:"";position:absolute;inset:-12px -4px}
.head-nav{display:none}
.head-cta{margin-inline-start:auto;min-height:44px;padding-inline:1.1rem;font-size:var(--fs-xs)}
.burger{margin-inline-start:var(--s-3);display:grid;align-content:center;justify-items:center;gap:6px;width:48px;height:48px;border:1.5px solid var(--ink);border-radius:50%;background:transparent;transition:background-color var(--dur-1)}
.burger span{display:block;width:20px;height:2px;background:var(--ink);transition:translate var(--dur-1) var(--ease),rotate var(--dur-1) var(--ease)}
.burger[aria-expanded="true"]{background:var(--lime)}
.burger[aria-expanded="true"] span:first-child{translate:0 4px;rotate:45deg}
.burger[aria-expanded="true"] span:last-child{translate:0 -4px;rotate:-45deg}

.drawer{display:none}
.drawer[data-open="true"]{display:flex;flex-direction:column;position:fixed;inset-inline:0;top:var(--head-h);bottom:0;z-index:40;padding:var(--s-5) var(--gutter) var(--s-6);background:var(--card);overflow:auto;box-shadow:0 -1px 0 var(--line)}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{display:flex;align-items:center;min-height:60px;border-bottom:1px solid var(--line);font-size:1.3rem;font-weight:var(--fw-bold)}
.drawer nav a:hover{color:var(--purple-ink)}
.drawer-mail{position:relative;align-self:flex-start;margin-top:auto;padding-top:var(--s-6);font-weight:var(--fw-semi)}

.section{padding-block:var(--s-8)}
.section--white{background:var(--card)}
.sec-head{max-width:44rem;margin:0 auto var(--s-7);text-align:center}
.sec-head h2{margin-top:var(--s-3)}
.sec-head h2+p{margin-top:var(--s-4)}

/* Hero */
.hero{padding-block:var(--s-7) var(--s-4)}
.hero-grid{display:grid;gap:var(--s-7);align-items:center}
.hero h1{margin-block:var(--s-4)}
.hl{background:linear-gradient(transparent 62%,var(--lime) 62% 92%,transparent 92%);-webkit-box-decoration-break:clone;box-decoration-break:clone}
.hero-lead{font-size:var(--fs-lg);font-weight:var(--fw-semi);color:var(--ink)}
.hero-text{margin-top:var(--s-3);max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--s-3);margin-top:var(--s-6)}
.hero-facts{display:flex;flex-wrap:wrap;gap:var(--s-2) var(--s-5);margin-top:var(--s-6)}
.hero-facts li{display:inline-flex;align-items:center;gap:.55rem;font-size:var(--fs-sm);font-weight:var(--fw-semi);color:var(--ink)}
.hero-facts li::before{content:"";flex:none;width:.6rem;height:.6rem;background:var(--lime);border:1.5px solid var(--ink)}
.hero-facts li:nth-child(2)::before{background:var(--purple)}
.hero-art{display:none}
.hero-art svg{width:100%;height:auto}

/* Services */
.services-grid{display:grid;gap:var(--s-5)}
.service{display:flex;flex-direction:column;gap:var(--s-3)}
.card-art{display:grid;place-items:center;aspect-ratio:5/2;margin-bottom:var(--s-2);background:var(--card-soft);border-radius:var(--r-sm)}
.card-art svg{width:72%;height:auto;max-height:86%}
.service p{font-size:var(--fs-sm)}
.answer{padding-top:var(--s-3);border-top:1px dashed var(--line)}
.answer span{display:block;font-size:var(--fs-xs);font-weight:var(--fw-bold);color:var(--purple-ink)}
.service .chip{margin-top:auto}

/* Use cases */
.cases-grid{display:grid;gap:var(--s-5)}
.case{display:flex;flex-direction:column;gap:var(--s-2);padding:var(--s-5);background:var(--card-soft);border:1px solid var(--line);border-radius:var(--r-card)}
.case p{font-size:var(--fs-sm)}
.case .case-label{font-size:var(--fs-xs);font-weight:var(--fw-bold);color:var(--purple-ink)}
.case .chip{margin-top:auto}

/* Process */
.process-steps{display:grid;gap:var(--s-5);counter-reset:step}
.process-steps li{padding:var(--s-5);background:var(--card);border-radius:var(--r-card);box-shadow:var(--shadow-card)}
.process-steps li::before{counter-increment:step;content:counter(step,persian);display:grid;place-items:center;width:2.75rem;height:2.75rem;border:1.5px solid var(--ink);border-radius:50%;background:var(--lime);font-weight:var(--fw-bold);line-height:1}
.process-steps h3{margin-block:var(--s-4) var(--s-2)}
.process-steps p{font-size:var(--fs-sm)}

/* About */
.about-grid{display:grid;gap:var(--s-7)}
.about-copy h2{margin-block:var(--s-3) var(--s-4)}
.about-copy p+p{margin-top:var(--s-4)}
.features-title{margin-bottom:var(--s-4)}
.features{display:grid;gap:var(--s-4)}
.features li{padding:var(--s-5);background:var(--card-soft);border:1px solid var(--line);border-radius:var(--r-sm)}
.features h4{display:flex;align-items:flex-start;gap:.6rem;margin-bottom:var(--s-1)}
.features h4::before{content:"";flex:none;width:.6rem;height:.6rem;margin-top:.55em;background:var(--lime);border:1.5px solid var(--ink)}
.features p{font-size:var(--fs-sm)}

/* FAQ */
.faq-list{display:grid;gap:var(--s-3);max-width:52rem;margin-inline:auto}
.faq-list details{background:var(--card);border-radius:var(--r-sm);box-shadow:var(--shadow-card)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:var(--s-4);min-height:64px;padding:var(--s-3) var(--s-5);font-weight:var(--fw-semi);color:var(--ink);cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";flex:none;display:grid;place-items:center;width:2rem;height:2rem;border:1.5px solid var(--ink);border-radius:50%;background:var(--lime);font-size:1.2rem;font-weight:var(--fw-bold);line-height:1}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{padding:0 var(--s-5) var(--s-5);font-size:var(--fs-sm)}

/* Contact */
.contact-grid{display:grid;gap:var(--s-6);align-items:start}
.form{display:grid;gap:var(--s-4);padding:var(--s-5);background:var(--card-soft);border:1px solid var(--line);border-radius:var(--r-card)}
.field{display:grid;gap:var(--s-2)}
.field label{font-size:var(--fs-sm);font-weight:var(--fw-semi);color:var(--ink)}
.req{color:var(--error)}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:.6rem 1rem;border:1.5px solid var(--line-strong);border-radius:var(--r-xs);background:var(--card);line-height:1.7;transition:border-color var(--dur-1)}
.field textarea{min-height:150px;resize:vertical}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--ink)}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{border-color:var(--focus);outline-offset:0}
.field ::placeholder{color:var(--muted);opacity:1}
.hp{position:absolute;inset-inline-start:-10000px;width:1px;height:1px;overflow:hidden}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s-3) var(--s-5)}
.form-note{font-size:var(--fs-xs);color:var(--muted)}
.form-status{font-size:var(--fs-sm);font-weight:var(--fw-semi)}
.form-status:empty{display:none}
.form-status[data-state="ok"]{color:var(--ok)}
.form-status[data-state="error"]{color:var(--error)}
.contact-aside{display:grid;gap:var(--s-4);padding:var(--s-6) var(--s-5);background:var(--lime);border-radius:var(--r-card)}
.contact-aside p{color:var(--ink)}
.contact-item{display:flex;align-items:center;gap:var(--s-3)}
.contact-item svg{flex:none;width:2.75rem;height:2.75rem;padding:.6rem;border:1.5px solid var(--ink);border-radius:50%;background:var(--card)}
.contact-item span{display:block;font-size:var(--fs-xs);font-weight:var(--fw-semi)}
.contact-item a{display:inline-flex;align-items:center;min-height:44px;font-weight:var(--fw-bold);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px}
.contact-hint{font-size:var(--fs-sm)}

/* Footer */
.foot{padding-top:var(--s-8);background:var(--ink);color:var(--on-dark)}
.foot p{color:var(--on-dark-muted)}
.foot-grid{display:grid;gap:var(--s-6)}
.foot-brand{display:grid;gap:var(--s-3);justify-items:start;align-content:start}
.foot-brand p{max-width:30ch;font-size:var(--fs-sm)}
.foot-title{margin-bottom:var(--s-2);font-size:var(--fs-sm);color:var(--on-dark)}
.foot ul a{display:inline-flex;align-items:center;min-height:44px;font-size:var(--fs-sm);color:var(--on-dark-muted)}
.foot ul a:hover{color:var(--lime)}
.foot-bottom{margin-top:var(--s-7);padding-block:var(--s-5);border-top:1px solid var(--line-inv);font-size:var(--fs-xs);color:var(--on-dark-muted)}

/* 404 and thank-you pages */
.nf{min-height:calc(100svh - var(--head-h));display:grid;align-items:center;padding-block:var(--s-7)}
.nf-inner{display:grid;justify-items:start;gap:var(--s-4)}
.nf-code{position:relative;isolation:isolate;font-size:clamp(5.5rem,24vw,13rem);font-weight:700;line-height:1;color:var(--ink)}
.nf-code::after{content:"";position:absolute;inset-inline:0;bottom:.08em;height:.16em;background:var(--lime);z-index:-1}
.nf-inner p{max-width:46ch}

/* ==========================================================================
   5. RESPONSIVE (mobile first)
   ========================================================================== */
@media (min-width:480px){
  .form{grid-template-columns:1fr 1fr;padding:var(--s-6)}
  .field--full,.form-actions,.form-status{grid-column:1 / -1}
  .features{grid-template-columns:1fr 1fr}
}
@media (min-width:600px){
  .hero-art{display:block;width:min(100%,460px);margin-inline:auto}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:768px){
  .services-grid,.process-steps{grid-template-columns:1fr 1fr}
  .card-art{aspect-ratio:16/9}
  .cases-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:900px){
  .hero{padding-block:var(--s-8) var(--s-6)}
  .hero-grid{grid-template-columns:1.1fr .9fr;gap:var(--s-8)}
  .about-grid{grid-template-columns:1fr 1.1fr;align-items:start;gap:var(--s-8)}
  .contact-grid{grid-template-columns:1.5fr 1fr}
  .foot-grid{grid-template-columns:1.6fr 1fr 1.2fr 1fr}
}
@media (min-width:1024px){
  .head-nav{display:flex;margin-inline:auto;gap:var(--s-5);font-size:var(--fs-sm);font-weight:var(--fw-semi)}
  .head-nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink-2);transition:color var(--dur-1)}
  .head-nav a:hover{color:var(--purple-ink)}
  .head-cta{margin-inline-start:0;font-size:var(--fs-sm)}
  .burger,.drawer[data-open="true"]{display:none}
}
@media (min-width:1100px){
  .section{padding-block:var(--s-9)}
  .services-grid,.process-steps{grid-template-columns:repeat(4,1fr)}
}

/* ==========================================================================
   6. MOTION (opt-in only; content is fully visible without it)
   ========================================================================== */
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
  .rv-on .rv{opacity:0;translate:0 18px;transition:opacity var(--dur-2) var(--ease) var(--rv-d,0s),translate var(--dur-2) var(--ease) var(--rv-d,0s)}
  .rv-on .rv-in{opacity:1;translate:0 0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms!important}
}