/* ГНМЦ — концепт 2 «Темний техно-корпоративний» — base.css: reset, токени, типографіка */

:root{
  --bg:#0B0E14;
  --bg-soft:#0E1220;
  --surface: rgba(255,255,255,.04);
  --surface-strong: rgba(255,255,255,.07);
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.16);
  --text:#E7EAF0;
  --text-dim:#8B93A7;
  --accent:#3D8BFF;
  --accent-2:#6FA8FF;
  --amber:#FFB020;
  --amber-2:#FFC85C;
  --danger:#FF5D5D;
  --ok:#3ECF8E;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --blur:18px;
  --ff-head:'Manrope',sans-serif;
  --ff-body:'Onest',sans-serif;
  --container:1280px;
  --header-h:84px;
  --header-h-s:64px;
  color-scheme: dark;
}

:root[data-theme="light"]{
  --bg:#F3F5F9;
  --bg-soft:#E9ECF3;
  --surface: rgba(11,14,20,.045);
  --surface-strong: rgba(11,14,20,.08);
  --border: rgba(11,14,20,.08);
  --border-strong: rgba(11,14,20,.16);
  --text:#10141F;
  --text-dim:#5B6478;
  --shadow: 0 20px 60px -24px rgba(20,25,40,.25);
  color-scheme: light;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:auto;overflow-x:clip}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--ff-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background-color .4s ease, color .4s ease;
}
img{max-width:100%;display:block}
svg{display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--ff-head);font-weight:800;margin:0 0 .5em;letter-spacing:-.02em;line-height:1.12}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
@media (max-width:640px){.container{padding:0 16px}}

.section{padding:96px 0}
@media (max-width:900px){.section{padding:64px 0}}
@media (max-width:480px){.section{padding:48px 0}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-head);font-weight:700;font-size:13px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2);
  margin-bottom:16px;
}
.eyebrow::before{content:'';width:22px;height:2px;background:var(--accent);border-radius:2px}

h2.h-section{font-size:clamp(28px,4vw,44px);max-width:820px}
.lede{color:var(--text-dim);font-size:clamp(16px,1.6vw,19px);max-width:620px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-family:var(--ff-head);
  font-size:15px;white-space:nowrap;cursor:pointer;border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease;
  position:relative;
}
.btn-primary{background:linear-gradient(135deg,var(--accent),#6f6bff);color:#fff;box-shadow:0 10px 30px -8px rgba(61,139,255,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -8px rgba(61,139,255,.7)}
.btn-ghost{background:var(--surface);border-color:var(--border);color:var(--text);backdrop-filter:blur(var(--blur))}
.btn-ghost:hover{border-color:var(--border-strong);background:var(--surface-strong)}
.btn-amber{background:linear-gradient(135deg,var(--amber),#ff8a3d);color:#160e02;box-shadow:0 10px 30px -8px rgba(255,176,32,.55)}
.btn-sm{padding:10px 18px;font-size:13px}
.btn[disabled]{opacity:.45;cursor:not-allowed;pointer-events:none}

.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.03em;background:var(--surface);border:1px solid var(--border);color:var(--text-dim)}
.tag.is-accent{color:var(--accent-2);border-color:rgba(61,139,255,.35);background:rgba(61,139,255,.1)}
.tag.is-amber{color:var(--amber-2);border-color:rgba(255,176,32,.35);background:rgba(255,176,32,.1)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:12px 18px;border-radius:0 0 10px 0;z-index:9999}
.skip-link:focus{left:0}

::selection{background:var(--accent);color:#fff}

/* scrollbar (webkit) */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:10px}

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

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