/* Общий каркас страниц-инструментов (/tools/*): токены, фон, шапка, первый экран,
   панели, кнопки, вопросы и итоговый блок. Своё у каждой страницы — в её <style>.
   Файл кешируется nginx на год: после правок поднимайте ?v= во всех страницах. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root{
  --bg:#06070c;--bg-2:#0b0d16;
  --accent:#FF8A00;--accent-2:#FFB347;--accent-soft:rgba(255,138,0,0.14);--accent-glow:rgba(255,138,0,0.4);
  --violet:#7C5CFF;--violet-2:#A78BFF;--blue:#2E7DFF;--cyan:#21D4FD;--red:#FF5A5A;--green:#2ED47A;--yellow:#FFC247;
  --s0:#FF5A5A;--s1:#FF8A3D;--s2:#FFC247;--s3:#9BE15D;--s4:#2ED47A;
  --text:#F4F5FA;--text-2:#A4AAC0;--muted:#787F99;
  --border:rgba(255,255,255,0.08);--card:rgba(255,255,255,0.035);--card-brd:rgba(255,255,255,0.09);
  --r:18px;--r-sm:14px;--pill:999px;
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.77,0,.175,1);
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
}
html{scroll-behavior:smooth;color-scheme:dark;-webkit-text-size-adjust:100%;scrollbar-color:var(--accent-2) transparent;scrollbar-width:thin}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);overflow-x:clip;-webkit-font-smoothing:antialiased;letter-spacing:-.012em;min-height:100vh;line-height:1.5}
h1,h2{font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-.03em}
h1,h2,h3{text-wrap:balance}
::selection{background:var(--accent);color:#111}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:4px}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--accent),var(--accent-2));border:3px solid var(--bg);border-radius:999px}
[hidden]{display:none!important}
input,button,select,textarea{font:inherit;color:inherit}
input::placeholder,textarea::placeholder{color:var(--muted)}
input,textarea{caret-color:var(--accent-2)}

/* Появление при прокрутке — тот же словарь, что на главной */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0ms)}
.reveal.in{opacity:1;transform:none}
.stagger>*{transition-delay:calc(var(--i,0) * 70ms)}

.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:var(--bg)}
.aurora{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.aurora.a1{width:55vw;height:55vw;left:-12vw;top:-18vw;background:radial-gradient(circle,rgba(255,138,0,0.5),transparent 65%);animation:drift1 28s ease-in-out infinite}
.aurora.a2{width:50vw;height:50vw;right:-12vw;top:4vh;background:radial-gradient(circle,rgba(124,92,255,0.4),transparent 65%);animation:drift2 34s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(7vw,5vh) scale(1.14)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1.05)}50%{transform:translate(-6vw,7vh) scale(.9)}}
.bg-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,7,12,0.4) 0%,rgba(6,7,12,0.82) 50%,var(--bg) 100%)}
@media (hover:none),(max-width:700px){.aurora{animation:none!important;filter:blur(64px);opacity:.38}.aurora.a2{display:none}}

/* Шапка: селектор с классом, а не просто nav — иначе стили заденут другие nav на странице */
nav.top{position:sticky;top:0;z-index:100;background:rgba(6,7,12,0.72);backdrop-filter:saturate(160%) blur(20px);-webkit-backdrop-filter:saturate(160%) blur(20px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:900px;margin:0 auto;padding:0 24px;gap:16px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.logo-box{width:32px;height:32px;border-radius:10px;overflow:hidden;flex-shrink:0;box-shadow:0 0 0 1px rgba(255,138,0,0.3)}
.logo-box img{width:32px;height:32px;object-fit:cover;display:block}
.logo-name{font-size:15px;font-weight:700;letter-spacing:-.03em;color:var(--text);font-family:'Space Grotesk',sans-serif}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-icon{width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;text-decoration:none;flex-shrink:0;border:1px solid var(--border);background:rgba(255,255,255,0.04);color:var(--text-2);transition:color .18s,border-color .18s,transform .15s var(--ease)}
.nav-back{font-size:13px;font-weight:700;color:#111;background:var(--accent);border:none;cursor:pointer;border-radius:var(--pill);padding:9px 18px;white-space:nowrap;font-family:inherit;transition:background .18s,transform .15s var(--ease),box-shadow .2s}
.nav-back:active,.nav-icon:active{transform:scale(.96)}

.wrap{position:relative;z-index:1;max-width:900px;margin:0 auto;padding:0 24px}

/* Первый экран */
.crumbs{display:flex;justify-content:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:14px;flex-wrap:wrap}
.crumbs a{color:var(--muted);text-decoration:none;transition:color .18s}
.hero{padding:clamp(48px,8vw,88px) 0 36px;text-align:center}
.hero-title{font-size:clamp(34px,6vw,56px);font-weight:700;line-height:1.08;margin-bottom:16px}
.hero-title .acc{background:linear-gradient(110deg,var(--accent) 0%,var(--accent-2) 48%,#A78BFF 112%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-sub{font-size:16px;color:var(--text-2);line-height:1.6;max-width:600px;margin:0 auto}
.trust{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:22px}
.trust span{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--text-2);background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:var(--pill);padding:6px 13px 6px 10px}
.trust svg{width:14px;height:14px;color:var(--green);flex-shrink:0}

/* Основная карточка инструмента и панели внутри неё */
.tool{scroll-margin-top:84px;border:1px solid var(--card-brd);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,0.05),rgba(255,255,255,0.015));padding:28px;box-shadow:0 50px 120px -70px rgba(0,0,0,0.9)}
.field-label{display:block;font-size:13px;font-weight:700;color:var(--text-2);margin-bottom:10px}
.panel{border:1px solid var(--border);border-radius:var(--r);background:rgba(255,255,255,0.02);padding:20px 22px}
.panel-title{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}

/* Кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--pill);border:none;font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;text-decoration:none;transition:background .18s,transform .16s var(--ease),box-shadow .2s,border-color .18s,color .18s}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.6;cursor:default;transform:none}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-lg{padding:15px 28px;font-size:15px}
.btn-accent{background:var(--accent);color:#111}
.btn-ghost{background:rgba(255,255,255,0.06);color:var(--text);border:1px solid var(--border)}
.spin{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Состояния строк-проверок: ok / warn / bad / info / idle */
.checks{list-style:none;display:flex;flex-direction:column;gap:10px}
.check{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,0.025);border:1px solid var(--border)}
.check-ic{width:26px;height:26px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;background:rgba(255,255,255,0.06);color:var(--muted);margin-top:1px}
.check-ic svg{width:15px;height:15px}
.check-body{flex:1;min-width:0}
.check-body b{display:block;font-size:14.5px;font-weight:700;line-height:1.4}
.check-body p{font-size:13.5px;color:var(--text-2);line-height:1.6;margin-top:3px;overflow-wrap:anywhere}
.check-body code{font-family:var(--mono);font-size:12.5px;background:rgba(255,255,255,0.07);border-radius:6px;padding:1px 6px;color:var(--text)}
.check[data-state="ok"] .check-ic{background:rgba(46,212,122,0.15);color:var(--green)}
.check[data-state="warn"] .check-ic{background:rgba(255,194,71,0.14);color:var(--yellow)}
.check[data-state="bad"]{border-color:rgba(255,90,90,0.3);background:rgba(255,90,90,0.05)}
.check[data-state="bad"] .check-ic{background:rgba(255,90,90,0.16);color:var(--red)}
.check[data-state="info"] .check-ic{background:rgba(124,92,255,0.15);color:var(--violet-2)}

/* Подзаголовки секций */
.section-label{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 18px}
.section-label svg{width:16px;height:16px;flex-shrink:0}

/* Частые вопросы */
.explainer{margin:64px 0 0}
.explain-list{display:flex;flex-direction:column;gap:12px}
.explain-item{border:1px solid var(--border);border-radius:var(--r);background:rgba(255,255,255,0.018);padding:22px 24px}
.explain-item h3{font-size:16px;font-weight:700;margin-bottom:8px;font-family:'Space Grotesk',sans-serif;letter-spacing:-.01em}
.explain-item p{font-size:14.5px;color:var(--text-2);line-height:1.7;max-width:72ch}
.explain-item p+p{margin-top:8px}
.explain-item a{color:var(--accent-2);text-decoration:none;border-bottom:1px solid rgba(255,138,0,0.25);transition:border-color .18s}

/* Итоговый блок со ссылкой на тарифы */
.summary{margin:28px 0 0;border:1px solid rgba(255,138,0,0.22);border-radius:var(--r);background:linear-gradient(180deg,rgba(255,138,0,0.08),rgba(255,138,0,0.02));padding:26px 28px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.summary-text{flex:1;min-width:220px}
.summary-text h2{font-size:19px;line-height:1.25;font-weight:700;margin-bottom:6px}
.summary-text p{font-size:14px;color:var(--text-2);line-height:1.6}
.summary-cta{flex-shrink:0;display:flex;align-items:center;gap:9px;padding:13px 22px;border-radius:var(--pill);background:var(--accent);color:#111;font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap;transition:background .18s,transform .16s var(--ease),box-shadow .2s}
.summary-cta:active{transform:scale(.97)}

/* Наведение — только там, где есть мышь: на телефоне «приподнятое» состояние залипает после касания */
@media (hover:hover) and (pointer:fine){
  .nav-icon:hover{color:var(--accent-2);border-color:rgba(255,138,0,0.3);transform:translateY(-1px)}
  .nav-back:hover{background:var(--accent-2);transform:translateY(-1px);box-shadow:0 8px 22px var(--accent-glow)}
  .crumbs a:hover{color:var(--accent-2)}
  .btn-accent:hover{background:var(--accent-2);box-shadow:0 10px 28px var(--accent-glow)}
  .btn-ghost:hover{background:rgba(255,255,255,0.11)}
  .explain-item a:hover{border-color:var(--accent-2)}
  .summary-cta:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 10px 28px var(--accent-glow)}
}

@media(max-width:640px){
  .tool{padding:20px 16px;border-radius:20px}
  .panel{padding:18px 16px}
  .check{padding:12px 14px}
  .summary{flex-direction:column;align-items:stretch}
  .summary-cta{justify-content:center}
}

/* Меньше движения: без сдвигов и пролётов, но мягкое появление и обратная связь остаются */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .aurora{animation:none}
  .reveal{transform:none;transition:opacity .3s ease}
  .spin{animation-duration:2s}
  .btn:active,.summary-cta:active,.nav-back:active,.nav-icon:active{transform:none}
}