/* =========================================================
   Grabanov Mykhaylo — IT specialista
   Design tokens: cool paper background, ink text, cobalt accent,
   amber + teal for secondary emphasis. Display face Space Grotesk,
   mono accent JetBrains Mono, body Inter.
   ========================================================= */

:root{
  --ink:#12181f;
  --ink-soft:#3c4653;
  --paper:#eef1ef;
  --panel:#ffffff;
  --line:rgba(18,24,31,.12);
  --line-strong:rgba(18,24,31,.22);
  --accent:#2f5dff;
  --accent-ink:#1c3bcf;
  --accent-soft:#e7ecff;
  --amber:#e8a33d;
  --teal:#1f8a70;
  --radius:14px;
  --radius-sm:8px;
  --maxw:1180px;
  --shadow:0 1px 2px rgba(18,24,31,.05), 0 12px 32px -20px rgba(18,24,31,.35);
  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-body:'Inter', 'Segoe UI', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html:focus-within{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%; display:block; height:auto;}
svg{display:block;}
a{color:var(--accent); text-decoration:none;}
a:hover{color:var(--accent-ink); text-decoration:underline;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid var(--amber);
  outline-offset:2px;
  border-radius:4px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-.01em;
  color:var(--ink);
}
h1{font-size:clamp(2.1rem, 4vw + 1rem, 3.4rem);}
h2{font-size:clamp(1.5rem, 2vw + 1rem, 2.15rem);}
h3{font-size:1.2rem;}
p{margin:0 0 1em;}
.lede{font-size:1.15rem; color:var(--ink-soft);}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--accent-ink);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:.9em;
}
.eyebrow::before{content:"//"; color:var(--amber);}

.wrap{max-width:var(--maxw); margin:0 inline auto; margin-inline:auto; padding-inline:1.5rem;}

.visually-hidden{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

.skip-link{
  position:absolute; left:0; top:-3rem; background:var(--ink); color:#fff;
  padding:.7em 1.2em; z-index:200; border-radius:0 0 8px 0; transition:top .15s ease;
}
.skip-link:focus{top:0;}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(238,241,239,.88);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:.85rem;
  gap:1rem;
}
.brand{
  display:flex; align-items:center; gap:.65rem;
  font-family:var(--font-display); font-weight:700; font-size:1.05rem; color:var(--ink);
}
.brand:hover{text-decoration:none; color:var(--ink);}
.brand-mark{
  width:34px; height:34px; border-radius:8px;
  background:var(--ink); color:var(--paper);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:.85rem; font-weight:700;
  flex:none;
}
.brand-name{display:flex; flex-direction:column; line-height:1.05;}
.brand-name small{font-family:var(--font-mono); font-size:.68rem; color:var(--ink-soft); font-weight:400; letter-spacing:.03em;}

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--line-strong); border-radius:var(--radius-sm);
  padding:.5em .7em; cursor:pointer; font-family:var(--font-mono); font-size:.85rem;
}

.main-nav ul{
  list-style:none; display:flex; gap:1.6rem; margin:0; padding:0;
  font-family:var(--font-mono); font-size:.86rem;
}
.main-nav a{
  color:var(--ink-soft); padding:.3em 0; border-bottom:2px solid transparent;
}
.main-nav a:hover, .main-nav a[aria-current="page"]{
  color:var(--ink); border-bottom-color:var(--amber); text-decoration:none;
}
.header-cta{
  font-family:var(--font-mono); font-size:.8rem; white-space:nowrap;
}

@media (max-width:800px){
  .nav-toggle{display:inline-flex; align-items:center; gap:.4em;}
  .main-nav{
    position:absolute; inset-inline:0; top:100%;
    background:var(--panel); border-bottom:1px solid var(--line);
    display:none;
  }
  .main-nav.is-open{display:block;}
  .main-nav ul{flex-direction:column; gap:0; padding:.5rem 1.5rem 1rem;}
  .main-nav a{display:block; padding:.75em 0; border-bottom:1px solid var(--line);}
  .header-cta{display:none;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--font-mono); font-size:.85rem; font-weight:500;
  padding:.8em 1.4em; border-radius:var(--radius-sm);
  border:1px solid var(--ink); background:var(--ink); color:var(--paper);
  cursor:pointer; transition:transform .12s ease, background .15s ease, color .15s ease;
}
.btn:hover{background:var(--accent); border-color:var(--accent); color:#fff; text-decoration:none; transform:translateY(-1px);}
.btn.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line-strong);}
.btn.btn-ghost:hover{background:var(--ink); color:var(--paper);}
.btn-row{display:flex; gap:.9rem; flex-wrap:wrap; margin-top:1.6rem;}

/* ---------- Hero ---------- */
.hero{padding-block:clamp(2.5rem, 6vw, 5.5rem);}
.hero .wrap{display:grid; grid-template-columns:1.1fr .9fr; gap:3rem; align-items:center;}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;}}
.hero-art{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:1.2rem;
}
.stat-row{display:flex; gap:1.4rem; flex-wrap:wrap; margin-top:1.8rem;}
.stat{
  font-family:var(--font-mono);
}
.stat b{display:block; font-size:1.7rem; font-family:var(--font-display); color:var(--ink);}
.stat span{font-size:.78rem; color:var(--ink-soft);}

/* ---------- Terminal / manifest card (signature element) ---------- */
.term{
  background:var(--ink); color:#dfe6ee; border-radius:var(--radius);
  font-family:var(--font-mono); font-size:.86rem; box-shadow:var(--shadow);
  overflow:hidden;
}
.term-bar{
  display:flex; align-items:center; gap:.4rem; padding:.7rem .9rem;
  background:#0b1017; border-bottom:1px solid rgba(255,255,255,.08);
}
.term-dot{width:9px; height:9px; border-radius:50%; background:#3c4653;}
.term-dot:nth-child(2){background:var(--amber);}
.term-dot:nth-child(3){background:var(--teal);}
.term-title{margin-left:.6rem; font-size:.72rem; color:#8b97a6;}
.term-body{padding:1.1rem 1.2rem 1.3rem; overflow-x:auto;}
.term-body .muted{color:#7b8798;}
.term-body .k{color:var(--amber);}
.term-body .v{color:#a9d6ff;}
.term-body .cmt{color:#5c6774;}
.term-body p{margin:0 0 .35em; white-space:pre;}

/* ---------- Sections ---------- */
section{padding-block:clamp(2.5rem, 5vw, 4.5rem);}
.section-head{max-width:640px; margin-bottom:2.2rem;}
.alt-bg{background:var(--panel); border-block:1px solid var(--line);}

.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem;}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:1.4rem;}
@media (max-width:860px){.grid-3{grid-template-columns:1fr;} .grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.6rem; box-shadow:var(--shadow);
}
.card .icon{width:44px; height:44px; margin-bottom:1rem;}
.tag{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.03em;
  background:var(--accent-soft); color:var(--accent-ink);
  padding:.25em .6em; border-radius:999px; display:inline-block;
}

/* ---------- Portfolio ---------- */
.project-list{display:flex; flex-direction:column; gap:1.4rem;}
.project{
  display:grid; grid-template-columns:280px 1fr; gap:1.6rem;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.4rem; box-shadow:var(--shadow); align-items:center;
}
@media (max-width:760px){.project{grid-template-columns:1fr;}}
.project-thumb{border-radius:var(--radius-sm); overflow:hidden; border:1px solid var(--line);}
.project-meta{display:flex; gap:.6rem; flex-wrap:wrap; margin:.7rem 0 1rem;}
.project h3{margin-bottom:.3rem;}
.project-link{font-family:var(--font-mono); font-size:.85rem;}

/* ---------- Pricing ---------- */
.price-card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.8rem; box-shadow:var(--shadow); display:flex; flex-direction:column;
}
.price-card.featured{border-color:var(--accent); box-shadow:0 1px 2px rgba(18,24,31,.05), 0 20px 40px -22px rgba(47,93,255,.55);}
.price-tag{font-family:var(--font-display); font-size:2.2rem; margin:.3rem 0 .2rem;}
.price-tag small{font-family:var(--font-mono); font-size:.9rem; color:var(--ink-soft); font-weight:400;}
.price-list{list-style:none; margin:1.2rem 0; padding:0; display:flex; flex-direction:column; gap:.6rem; flex:1;}
.price-list li{padding-left:1.4rem; position:relative; color:var(--ink-soft); font-size:.92rem;}
.price-list li::before{content:"→"; position:absolute; left:0; color:var(--teal);}

.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line); padding:1.1rem 0;}
.faq summary{cursor:pointer; font-family:var(--font-display); font-weight:600; list-style:none;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+"; float:right; font-family:var(--font-mono); color:var(--accent);}
.faq details[open] summary::after{content:"–";}
.faq p{margin-top:.8rem; color:var(--ink-soft);}

/* ---------- Technologies ---------- */
.tech-group{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.5rem; box-shadow:var(--shadow);
}
.tech-group h3{
  font-family:var(--font-mono); font-size:.85rem; text-transform:lowercase;
  color:var(--accent-ink); margin-bottom:1rem; display:flex; align-items:center; gap:.5em;
}
.tech-group h3::before{content:"§"; color:var(--amber);}
.tech-pills{list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:.5rem;}
.tech-pills li{
  font-family:var(--font-mono); font-size:.8rem; background:var(--paper);
  border:1px solid var(--line); padding:.35em .75em; border-radius:999px;
}

/* ---------- Contact ---------- */
.contact-card{
  background:var(--ink); color:var(--paper); border-radius:var(--radius);
  padding:clamp(1.8rem,4vw,3rem); box-shadow:var(--shadow);
  display:grid; grid-template-columns:1fr auto; gap:2rem; align-items:center;
}
@media (max-width:700px){.contact-card{grid-template-columns:1fr; text-align:left;}}
.contact-card .email-link{
  font-family:var(--font-mono); font-size:clamp(1.1rem,2.4vw,1.5rem);
  color:#a9d6ff; word-break:break-all;
}
.contact-card .btn{background:var(--amber); border-color:var(--amber); color:var(--ink);}
.contact-card .btn:hover{background:#fff; border-color:#fff;}
.contact-fact-list{list-style:none; margin:1.4rem 0 0; padding:0; font-family:var(--font-mono); font-size:.85rem; color:#b7c2ce; display:flex; flex-direction:column; gap:.4rem;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line); padding-block:2.2rem; margin-top:2rem;}
.site-footer .wrap{display:flex; justify-content:space-between; flex-wrap:wrap; gap:1rem; align-items:center;}
.site-footer small{color:var(--ink-soft); font-size:.82rem;}
.footer-nav{list-style:none; display:flex; gap:1.2rem; padding:0; margin:0; font-size:.85rem;}
.footer-nav a{color:var(--ink-soft);}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-family:var(--font-mono); font-size:.78rem; color:var(--ink-soft); padding-top:1.4rem;}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb [aria-current]{color:var(--ink);}

/* ---------- Page hero (interior pages) ---------- */
.page-hero{padding-block:clamp(2rem,4vw,3.4rem);}
.page-hero .lede{max-width:640px;}