/* Единая светлая тема: шапка, формы, карточки — для всех страниц брифа. */
:root{
  --bg:#F5F5F7; --white:#fff; --ink:#1D1D1F; --ink2:#4A4A4F; --dim:#86868B;
  --line:rgba(0,0,0,.08); --line2:rgba(0,0,0,.14);
  --steel1:#FDFDFE; --steel2:#E7E8EC; --steel3:#C9CBD2;
  --blue:#0071E3; --blue-d:#0058B0;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'SF Pro Display','Helvetica Neue',Arial,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
  --r:20px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:400;letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh;position:relative}

/* мягкий свет на фоне */
.glow-a,.glow-b{position:fixed;border-radius:50%;pointer-events:none;z-index:0;filter:blur(90px)}
.glow-a{top:-18vh;right:-6vw;width:56vw;height:56vw;
  background:radial-gradient(circle,rgba(255,255,255,.95),rgba(255,255,255,0) 68%)}
.glow-b{top:26vh;left:-14vw;width:46vw;height:46vw;
  background:radial-gradient(circle,rgba(190,196,210,.38),rgba(190,196,210,0) 70%)}

/* ---------- ШАПКА ---------- */
header{position:sticky;top:0;z-index:70;border-bottom:1px solid transparent;
  transition:background .5s var(--ease),border-color .5s var(--ease)}
header.solid{background:rgba(250,250,252,.74);backdrop-filter:saturate(180%) blur(22px);border-bottom-color:var(--line)}
.hd{max-width:1120px;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:14px 28px}
.logo{display:flex;align-items:center;gap:11px;background:none;border:0;color:var(--ink);font-family:var(--sans);
  text-align:left;padding:3px 5px 3px 0;cursor:pointer;text-decoration:none}
.logo b{font-size:15px;font-weight:600;letter-spacing:-.02em;display:flex;align-items:center;gap:7px;
  width:fit-content;line-height:1.15}
.logo b::after{content:'';width:6px;height:6px;border-right:1.4px solid var(--dim);border-bottom:1.4px solid var(--dim);
  transform:rotate(45deg) translateY(-1px);transition:.4s var(--ease)}
.logo:hover b::after{border-color:var(--ink)}
.logo.open b::after{transform:rotate(225deg) translateY(-1px)}
.logo>span>span{display:block;font-size:11.5px;color:var(--dim);margin-top:2px;font-weight:400;letter-spacing:0}
.me{display:flex;align-items:center;gap:12px;text-align:right}
.me .txt b,.me b{display:block;font-size:12.5px;font-weight:600;
  text-shadow:0 1px 1px rgba(255,255,255,.9),0 2px 6px rgba(20,22,28,.22)}
.me .txt span,.me span{display:block;font-size:11.5px;color:var(--dim);line-height:1.45;max-width:250px;letter-spacing:0;
  text-shadow:0 1px 0 rgba(255,255,255,.85),0 1px 4px rgba(20,22,28,.12)}
.ava{width:54px;height:54px;border-radius:16px;flex:none;overflow:hidden;position:relative;
  box-shadow:0 0 0 1px rgba(0,0,0,.05),0 2px 4px rgba(20,22,28,.12),0 8px 18px -6px rgba(20,22,28,.42),
  inset 0 0 0 2px #fff}
.ava::after{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 0 0 2px #fff}
.ava img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.ava .ph{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(145deg,#EDEEF2,#DDDFE6);
  font-size:15px;font-weight:600;color:var(--dim)}

/* меню */
.navwrap{position:relative}
.navmenu{position:absolute;top:calc(100% + 14px);left:0;z-index:75;min-width:222px;padding:8px;
  background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:18px;
  box-shadow:0 3px 8px rgba(20,22,28,.06),0 22px 48px -18px rgba(20,22,28,.3);display:grid;gap:2px}
.navitem{display:block;width:100%;text-align:left;background:none;border:0;font-family:var(--sans);font-size:13.5px;
  color:var(--ink2);padding:11px 14px;border-radius:12px;text-decoration:none;transition:.25s var(--ease);cursor:pointer}
.navitem:hover{background:rgba(0,0,0,.05);color:var(--ink)}

/* модалка */
.modal{position:fixed;inset:0;z-index:9000;background:rgba(28,28,32,.34);backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;padding:24px}
.modal-in{position:relative;max-width:680px;width:100%;max-height:84vh;overflow-y:auto;background:#fff;
  border-radius:26px;padding:clamp(28px,3vw,44px);box-shadow:0 50px 110px rgba(20,22,28,.28)}
.modal-x{position:absolute;top:18px;right:20px;background:none;border:0;color:var(--dim);font-size:25px;line-height:1;
  padding:4px 8px;cursor:pointer}
.modal-x:hover{color:var(--ink)}
.modal-in h2{font-size:25px;font-weight:600;letter-spacing:-.03em;margin-bottom:16px}
.modal-b{color:var(--ink2);font-size:15px;line-height:1.7;letter-spacing:0}
.modal-b p+p,.modal-b ul+p,.modal-b p+ul{margin-top:14px}
.modal-b b{color:var(--ink);font-weight:600}
.modal-b ul{list-style:none;display:grid;gap:10px}
.modal-b li{padding-left:18px;position:relative}
.modal-b li::before{content:'';position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--dim)}
.modal-b a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(0,0,0,.3)}

/* ---------- ПРОГРЕСС ШАГОВ ---------- */
.steps{position:sticky;top:var(--hh,74px);z-index:60;background:rgba(250,250,252,.8);backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line);margin:0;padding:10px 28px}
.steps-in{max-width:1120px;margin-inline:auto;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.steps-in::-webkit-scrollbar{display:none}
.step-chip{flex:none;display:flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  border:1px solid transparent;background:rgba(0,0,0,.04);font-size:12.5px;font-family:var(--sans);color:var(--ink2);
  cursor:pointer;transition:.3s var(--ease);white-space:nowrap}
.step-chip i{width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.08);display:grid;place-items:center;
  font-style:normal;font-size:10px;color:var(--dim);transition:.3s var(--ease)}
.step-chip:hover{background:rgba(0,0,0,.07)}
.step-chip.done i{background:#2A2A2E;color:#fff}
.step-chip.active{background:#fff;color:var(--ink);box-shadow:0 0 0 1px rgba(0,0,0,.08),0 2px 6px rgba(20,22,28,.08)}

/* ---------- ТИПОГРАФИКА ---------- */
.wrap{position:relative;z-index:1;max-width:1120px;margin-inline:auto;padding:0 28px 110px}
h1{font-size:clamp(36px,5.4vw,64px);line-height:1.06;font-weight:600;letter-spacing:-.04em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.12;font-weight:600;letter-spacing:-.035em}
.lead{color:var(--ink2);font-size:17px;line-height:1.62;max-width:62ch;letter-spacing:-.012em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.01em;
  color:#6E6E73}

/* ---------- ГЕРОЙ ---------- */
.hero{padding:72px 0 28px}
.hero h1{margin:14px 0 18px}
.hero h1 em{font-style:normal;color:#6E6E73}
.hero-note{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-note div{background:#fff;border-radius:999px;padding:9px 16px;font-size:12.5px;color:var(--ink2);
  box-shadow:0 0 0 1px rgba(0,0,0,.06),0 2px 5px rgba(20,22,28,.05)}

/* ---------- СЕКЦИИ ---------- */
section{margin-top:34px;scroll-margin-top:calc(var(--hh,74px) + 72px)}
.card{background:#fff;border-radius:26px;padding:clamp(22px,2.6vw,36px);
  box-shadow:0 0 0 1px rgba(0,0,0,.06),0 2px 5px rgba(20,22,28,.04),0 16px 34px -18px rgba(20,22,28,.22)}
.card+.card{margin-top:16px}
.sec-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:24px}
.sec-head .n{font-size:12.5px;font-weight:600;color:var(--dim);background:rgba(0,0,0,.04);border-radius:9px;
  padding:5px 11px;flex:none}

/* ---------- ПОЛЯ ---------- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid.one{grid-template-columns:1fr}
.f{display:block}
.f>label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--ink);letter-spacing:-.01em}
.f .hint{font-size:12px;color:var(--dim);margin-top:7px;line-height:1.5;letter-spacing:0}
input[type=text],input[type=url],input[type=email],input[type=tel],textarea,select{
  width:100%;background:#fff;border:0;border-radius:13px;color:var(--ink);padding:13px 15px;font-family:var(--sans);
  font-size:15px;letter-spacing:-.011em;outline:none;box-shadow:0 0 0 1px rgba(0,0,0,.1);
  transition:box-shadow .3s var(--ease)}
textarea{resize:vertical;min-height:96px;line-height:1.6}
input:focus,textarea:focus,select:focus{box-shadow:0 0 0 1px rgba(0,0,0,.32),0 0 0 4px rgba(0,0,0,.07)}
input::placeholder,textarea::placeholder{color:#A6A6AD}
select{appearance:none;padding-right:38px;cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%2386868B' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center}

/* чипы-кнопки: нажал — продавилась */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-flex;align-items:center;justify-content:center;border-radius:13px;padding:11px 18px;
  font-size:13.5px;font-weight:500;color:var(--ink2);background:#fff;user-select:none;
  box-shadow:0 0 0 1px rgba(0,0,0,.1),0 1px 2px rgba(20,22,28,.06);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),transform .18s var(--ease),color .25s var(--ease)}
.chip span:hover{background:#FAFAFC;box-shadow:0 0 0 1px rgba(0,0,0,.16),0 2px 6px rgba(20,22,28,.08)}
.chip span:active{transform:translateY(1px) scale(.995)}
.chip input:checked+span{color:var(--ink);background:#E6E6EB;transform:translateY(1px);
  box-shadow:inset 0 2px 5px rgba(20,22,28,.16),inset 0 0 0 1px rgba(0,0,0,.14)}
.chip input:checked+span:hover{background:#E1E1E7}
.chip input:focus-visible+span{box-shadow:0 0 0 1px rgba(0,0,0,.3),0 0 0 4px rgba(0,0,0,.08)}

/* файлы */
.drop{border:1.5px dashed rgba(0,0,0,.16);border-radius:16px;padding:18px;text-align:center;color:var(--ink2);
  font-size:13.5px;cursor:pointer;transition:.3s var(--ease);background:rgba(255,255,255,.6)}
.drop:hover,.drop.over{border-color:rgba(0,0,0,.34);background:rgba(0,0,0,.025);color:var(--ink)}
.drop b{color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.files{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.file{display:inline-flex;align-items:center;gap:8px;background:#fff;border-radius:11px;padding:8px 12px;
  font-size:12px;color:var(--ink2);box-shadow:0 0 0 1px rgba(0,0,0,.08)}
.file button{background:none;border:0;color:var(--dim);cursor:pointer;font-size:15px;line-height:1;padding:0}
.file button:hover{color:#E5397B}

/* блоки сайта */
.blocks{display:grid;gap:14px}
.block{border-radius:20px;background:#fff;overflow:hidden;box-shadow:0 0 0 1px rgba(0,0,0,.07)}
.block-h{display:flex;align-items:center;gap:13px;padding:14px 16px;border-bottom:1px solid var(--line);
  background:rgba(0,0,0,.015)}
.block-h .num{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;flex:none;font-size:13px;
  font-weight:600;color:var(--ink);background:#E9E9EE;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1)}
.block-h select{max-width:260px}
.block-b{padding:16px;display:grid;gap:14px}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:14px 30px;
  font-size:15px;font-weight:500;letter-spacing:-.012em;border:0;cursor:pointer;font-family:var(--sans);color:#fff;
  background:linear-gradient(180deg,#3A3A3F,#151517);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 8px 20px rgba(18,19,22,.24);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);text-decoration:none}
.btn:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.26),0 14px 30px rgba(18,19,22,.3)}
.btn.ghost{background:#fff;color:var(--ink);box-shadow:0 0 0 1px rgba(0,0,0,.1),0 2px 6px rgba(20,22,28,.06)}
.btn.ghost:hover{box-shadow:0 0 0 1px rgba(0,0,0,.16),0 10px 22px rgba(20,22,28,.12)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.row-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;align-items:center}
.saved{font-size:12px;color:var(--dim)}

.hidden{display:none !important}
.sub{margin-top:14px;padding-left:16px;border-left:2px solid rgba(0,0,0,.12);display:grid;gap:12px}
footer{margin-top:60px;padding-top:26px;border-top:1px solid var(--line);color:var(--dim);font-size:12.5px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;letter-spacing:0}
.ok-screen{text-align:center;padding:90px 0}
.ok-screen .big{width:76px;height:76px;border-radius:50%;margin:0 auto 24px;display:grid;place-items:center;
  background:linear-gradient(160deg,#3DD68C,#0F9D58);color:#fff;font-size:32px;
  box-shadow:0 14px 30px rgba(15,157,88,.3)}

/* ---------- ПЛОЩАДКИ И НАПРАВЛЕНИЯ ---------- */
.plat-chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.plat-chip{position:relative;cursor:pointer}
.plat-chip input{position:absolute;opacity:0;pointer-events:none}
.plat-chip span{display:flex;align-items:center;justify-content:center;text-align:center;border-radius:15px;
  padding:15px 16px;font-size:13.5px;font-weight:500;color:var(--ink2);background:#fff;user-select:none;
  box-shadow:0 0 0 1px rgba(0,0,0,.1),0 1px 3px rgba(20,22,28,.06);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),transform .18s var(--ease),color .25s var(--ease)}
.plat-chip span:hover{background:#FAFAFC;box-shadow:0 0 0 1px rgba(0,0,0,.16),0 4px 10px rgba(20,22,28,.08)}
.plat-chip span:active{transform:translateY(1px) scale(.995)}
.plat-chip input:checked+span{color:var(--ink);background:#E6E6EB;transform:translateY(1px);
  box-shadow:inset 0 2px 6px rgba(20,22,28,.18),inset 0 0 0 1px rgba(0,0,0,.14)}
.plat-chip input:checked+span:hover{background:#E1E1E7}
.plat-chip input:focus-visible+span{box-shadow:0 0 0 1px rgba(0,0,0,.3),0 0 0 4px rgba(0,0,0,.08)}
.plat-box{border-radius:22px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.07),
  0 2px 5px rgba(20,22,28,.04),0 16px 32px -18px rgba(20,22,28,.2)}
.plat-box+.plat-box{margin-top:14px}
.plat-h{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);
  background:rgba(0,0,0,.015)}
.plat-h b{font-size:16px;font-weight:600;letter-spacing:-.025em}
.plat-h .dot{width:9px;height:9px;border-radius:50%;background:#8A8A93;flex:none}
.plat-h .off{margin-left:auto;background:none;border:0;color:var(--dim);font-size:12.5px;cursor:pointer;
  font-family:var(--sans)}
.plat-h .off:hover{color:#E5397B}
.plat-b{padding:18px;display:grid;gap:15px}
.empty-note{border:1.5px dashed rgba(0,0,0,.14);border-radius:16px;padding:20px;text-align:center;color:var(--dim);
  font-size:13.5px}

@media(max-width:900px){
  .grid{grid-template-columns:1fr}
  .me .txt,.me>div:first-child{display:none}
  .hd{padding:12px 18px}
  .wrap{padding:0 18px 80px}
  .steps{padding:9px 18px}
  .hero{padding:44px 0 18px}
  .block-h{flex-wrap:wrap}
  .block-h select{max-width:100%;width:100%}
  .plat-chips{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}