/* ===== Tokens ===== */
:root, :root[data-theme="light"] {
  --bg: #ffffff; --bg2: #f6f4f0; --card: #ffffff; --text: #111111; --muted: #5d5a55;
  --line: #e7e3dc; --red: #c8102e; --red-text: #b00d27; --red-soft: rgba(200,16,46,.08);
  --on-red: #ffffff; --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --radius: 14px; color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0e0e0f; --bg2: #161618; --card: #1b1b1e; --text: #f3f1ec; --muted: #a7a39c;
  --line: #2c2c31; --red: #e3243f; --red-text: #ff5a6e; --red-soft: rgba(227,36,63,.14);
  --on-red: #ffffff; --shadow: none; color-scheme: dark;
}

/* ===== Base ===== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{background:var(--bg);color:var(--text);font:16px/1.6 Inter,system-ui,-apple-system,sans-serif;transition:background .2s,color .2s}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
h1,h2,h3{font-family:Oswald,Inter,sans-serif;letter-spacing:.01em;line-height:1.15;font-weight:700}
h2{font-size:clamp(28px,4vw,42px);margin-bottom:24px}
h3{font-size:20px;margin-bottom:6px}
p+p{margin-top:12px}
.container{width:min(1140px,100% - 32px);margin-inline:auto}
.section{padding:88px 0}
.section.alt{background:var(--bg2)}
.eyebrow{color:var(--red-text);text-transform:uppercase;font-weight:600;font-size:13px;letter-spacing:.14em;margin-bottom:10px}
.muted{color:var(--muted)}
.red{color:var(--red-text)}

/* ===== Nav ===== */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-family:Oswald,sans-serif;font-size:21px;font-weight:700;white-space:nowrap}
.logo b{color:var(--red-text);font-weight:700}
.logo-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--red);color:#fff;font-family:serif;font-size:18px;flex:none}
.nav-links{display:flex;gap:26px;font-size:15px;color:var(--muted)}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:8px}
.icon-btn,.lang{background:none;border:1px solid var(--line);border-radius:9px;height:36px;min-width:36px;padding:0 10px;font-weight:600;font-size:13px;cursor:pointer;display:inline-grid;place-items:center}
.icon-btn:hover,.lang:hover{border-color:var(--red)}
.icon-btn svg{width:18px;height:18px}
.theme-dark-icon{display:none}
:root[data-theme="dark"] .theme-dark-icon{display:block}
:root[data-theme="dark"] .theme-light-icon{display:none}
.burger{display:none;background:none;border:0;width:36px;height:36px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:6px}
.burger span{display:block;height:2px;background:var(--text);border-radius:2px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:10px;font-weight:600;border:1px solid transparent;cursor:pointer;font-size:15px;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--red);color:var(--on-red)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border-color:var(--line);background:var(--card)}
.btn-ghost:hover{border-color:var(--text)}
.btn-sm{padding:8px 14px;font-size:14px}
.btn[disabled]{opacity:.55;cursor:default}

/* ===== Cards ===== */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{border-top:3px solid var(--red)}
.feature .ico{width:44px;height:44px;border-radius:12px;background:var(--red-soft);color:var(--red-text);display:grid;place-items:center;margin-bottom:14px}
.feature .ico svg{width:22px;height:22px}
.feature p{color:var(--muted);font-size:15px}

/* ===== Forms ===== */
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
.form input,.form select,.form textarea,.input{background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:12px 14px;font:inherit;width:100%}
.form textarea{min-height:140px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus,.input:focus{outline:2px solid var(--red);border-color:transparent}
.form-note{font-size:13px;color:var(--muted);text-align:center}

/* ===== Belts ===== */
.belt{position:relative;height:16px;border-radius:4px;background:var(--belt);border:1px solid var(--belt-border,transparent)}
.belt::after{content:"";position:absolute;right:18%;top:-3px;bottom:-3px;width:10px;border-radius:2px;background:var(--belt);border:1px solid var(--belt-border,rgba(0,0,0,.15));filter:brightness(.92)}
.belts{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.belts li{list-style:none;display:grid;gap:8px;font-size:13px}
.belts li b{font-family:Oswald,sans-serif;font-size:16px}

/* ===== Footer ===== */
.footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:14px}
.footer-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer a:hover{color:var(--red-text)}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s,transform .5s}
.reveal.in{opacity:1;transform:none}

@media (max-width:960px){ .cards{grid-template-columns:repeat(2,1fr)} .belts{grid-template-columns:repeat(4,1fr)} }
@media (max-width:760px){
  .burger{display:flex}
  .nav-links{position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.25s;z-index:-1}
  .nav-links.open{transform:none}
  .nav-links a{padding:16px;border-top:1px solid var(--line)}
  .section{padding:64px 0}
}
@media (max-width:520px){ .cards{grid-template-columns:1fr} .belts{grid-template-columns:repeat(3,1fr)} }
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} .reveal{opacity:1;transform:none;transition:none} }

/* logo (з іконки застосунку) */
.logo-img{width:40px;height:auto;flex:none;filter:drop-shadow(0 1px 2px rgba(0,0,0,.12))}
:root[data-theme="dark"] .logo-img{filter:none}

/* спільна навігація кабінету (і на головній, коли користувач увійшов) */
.tabs{display:flex;gap:4px;margin-left:12px}
.tab{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:9px;color:var(--muted);font-weight:500;font-size:15px}
.tab svg{width:18px;height:18px}
.tab:hover{color:var(--text);background:var(--bg2)}
.tab.active{color:var(--red-text);background:var(--red-soft)}
.me{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600}
.avatar{border-radius:50%;object-fit:cover;background:linear-gradient(135deg,var(--red),#6d0817);color:#fff;display:grid;place-items:center;font:700 16px Oswald,sans-serif;flex:none;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.me .name{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-links.tabs{gap:4px}
@media (max-width:760px){ .nav-links.tabs{gap:0;margin-left:0} .nav-links.tabs .tab{border-radius:0;padding:16px} .me .name{display:none} }