/* ===== МКККГ — light & bright design system ===== */
:root{
  --blue:#1f6feb;
  --blue-600:#1a5fd0;
  --blue-050:#eef4ff;
  --blue-100:#dbe7ff;
  --teal:#0fb5a6;
  --green:#16a34a;
  --amber:#f59e0b;
  --red:#e5484d;
  --ink:#0f1b2d;
  --slate:#4b5a70;
  --muted:#8a97a8;
  --line:#e7ecf3;
  --bg:#f6f9ff;
  --card:#ffffff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px -12px rgba(31,111,235,.20);
  --shadow-sm:0 4px 14px -6px rgba(15,27,45,.12);
  --maxw:1160px;
  --font:'Inter','Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;line-height:1.55;
}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-600)}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(30px,5vw,50px);font-weight:800}
h2{font-size:clamp(24px,3.4vw,36px);font-weight:800}
h3{font-size:20px;font-weight:700}
p{margin:0 0 1em}
.lead{font-size:18px;color:var(--slate)}
.muted{color:var(--muted)}
.center{text-align:center}
.eyebrow{display:inline-block;font-weight:700;font-size:13px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--blue);background:var(--blue-050);
  padding:6px 12px;border-radius:999px;margin-bottom:14px}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:16px;padding:14px 26px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:.18s;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--blue-600);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue-100);color:var(--blue);background:var(--blue-050)}
.btn-block{width:100%}
.btn-lg{padding:16px 32px;font-size:17px}
.btn-sm{padding:9px 16px;font-size:14px}

/* ===== header ===== */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-.02em}
.logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--teal));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;box-shadow:var(--shadow)}
.nav-links{display:flex;gap:6px;margin-left:12px}
.nav-links a{color:var(--slate);font-weight:600;font-size:15px;padding:8px 12px;border-radius:9px}
.nav-links a:hover{color:var(--blue);background:var(--blue-050)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--ink)}

/* ===== hero ===== */
.hero{position:relative;overflow:hidden;
  background:radial-gradient(1200px 500px at 85% -10%,var(--blue-050),transparent 60%),
             linear-gradient(180deg,#fff, var(--bg))}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:56px 0 48px}
.hero h1 span{color:var(--blue)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 14px;font-weight:600;font-size:14px;color:var(--slate);box-shadow:var(--shadow-sm)}
.pill b{color:var(--ink)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:14px;color:var(--muted)}
.trust{display:flex;gap:26px;margin-top:30px;flex-wrap:wrap}
.trust div b{display:block;font-size:26px;font-weight:800;color:var(--ink)}
.trust div span{font-size:13px;color:var(--muted)}

/* ===== calculator ===== */
.calc{background:var(--card);border:1px solid var(--line);border-radius:22px;
  padding:26px;box-shadow:var(--shadow)}
.calc h3{margin-bottom:4px}
.calc-sub{color:var(--muted);font-size:14px;margin-bottom:18px}
.calc-row{margin-bottom:20px}
.calc-label{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.calc-label span{font-weight:600;color:var(--slate);font-size:14px}
.calc-val{font-weight:800;font-size:20px;color:var(--blue)}
input[type=range]{-webkit-appearance:none;width:100%;height:8px;border-radius:999px;
  background:var(--blue-100);outline:none;margin:0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;
  background:#fff;border:5px solid var(--blue);cursor:pointer;box-shadow:0 2px 8px rgba(31,111,235,.4)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;
  border:5px solid var(--blue);cursor:pointer}
.calc-hint{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:6px}
.calc-result{background:var(--blue-050);border-radius:14px;padding:16px 18px;margin:18px 0}
.calc-result .rrow{display:flex;justify-content:space-between;padding:6px 0;font-size:15px;color:var(--slate)}
.calc-result .rrow b{color:var(--ink);font-weight:700}
.calc-result .total{border-top:1px dashed var(--blue-100);margin-top:6px;padding-top:12px;font-size:17px}
.calc-result .total b{color:var(--blue);font-size:22px}
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:4px;gap:4px}
.seg button{border:none;background:none;padding:8px 14px;border-radius:7px;font-weight:600;font-size:14px;
  color:var(--slate);cursor:pointer;font-family:inherit}
.seg button.active{background:#fff;color:var(--blue);box-shadow:var(--shadow-sm)}

/* ===== cards / features ===== */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--blue-100)}
.ico{width:52px;height:52px;border-radius:13px;background:var(--blue-050);display:grid;place-items:center;
  font-size:24px;margin-bottom:16px}
.ico.teal{background:#e6f8f6}
.ico.green{background:#e7f7ec}
.ico.amber{background:#fef4e2}
.card h3{margin-bottom:8px}
.card p{color:var(--slate);font-size:15px;margin:0}

/* highlight banner */
.banner{background:linear-gradient(120deg,var(--blue),#3a86ff);color:#fff;border-radius:24px;
  padding:40px;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center;
  box-shadow:var(--shadow);overflow:hidden;position:relative}
.banner h2{color:#fff;margin-bottom:10px}
.banner p{color:rgba(255,255,255,.9);margin:0}
.banner .flags{display:flex;gap:14px;flex-wrap:wrap}
.flag-card{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:14px;
  padding:16px 18px;backdrop-filter:blur(4px)}
.flag-card b{display:flex;align-items:center;gap:10px;font-size:18px}
.flag-card span{font-size:13px;color:rgba(255,255,255,.85)}
.flag-emoji{font-size:24px}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:8px}
.step .num{width:44px;height:44px;border-radius:12px;background:var(--blue);color:#fff;font-weight:800;
  display:grid;place-items:center;font-size:18px;margin-bottom:14px;box-shadow:var(--shadow)}
.step h3{font-size:17px;margin-bottom:6px}
.step p{color:var(--slate);font-size:14px;margin:0}

/* QR block */
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.qr-methods{display:flex;flex-direction:column;gap:14px}
.qr-method{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-sm)}
.qr-method .badge{width:48px;height:48px;border-radius:11px;display:grid;place-items:center;font-weight:800;
  color:#fff;font-size:13px;flex:none}
.qr-method h4{margin:0;font-size:16px}
.qr-method p{margin:2px 0 0;font-size:13px;color:var(--muted)}
.qr-visual{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;text-align:center;box-shadow:var(--shadow)}
.qr-code{width:180px;height:180px;margin:0 auto 16px;border-radius:16px;padding:12px;background:#fff;border:1px solid var(--line)}

/* faq */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 22px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-q::after{content:'+';font-size:22px;color:var(--blue);font-weight:700;transition:.2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.25s;padding:0 22px;color:var(--slate)}
.faq-item.open .faq-a{max-height:320px;padding-bottom:20px}

/* footer */
.footer{background:#0e1a2b;color:#c3cede;padding:56px 0 26px;margin-top:20px}
.footer a{color:#c3cede}
.footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:34px}
.footer .logo{color:#fff}
.footer h4{color:#fff;font-size:15px;margin:0 0 14px;text-transform:uppercase;letter-spacing:.05em;font-size:13px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:13px;color:#8595a8;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-disclaimer{font-size:12px;color:#6f7f92;margin-top:14px;line-height:1.6}

/* ===== auth & forms ===== */
.auth-wrap{min-height:calc(100vh - 70px);display:grid;place-items:center;padding:40px 20px}
.auth-card{width:100%;max-width:440px;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:34px;box-shadow:var(--shadow)}
.auth-card h1{font-size:26px;margin-bottom:6px}
.auth-card .sub{color:var(--muted);margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:7px;color:var(--slate)}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);
  border-radius:11px;font-size:15px;font-family:inherit;background:#fff;transition:.15s;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);
  box-shadow:0 0 0 4px var(--blue-050)}
.field .err{color:var(--red);font-size:13px;margin-top:6px;display:none}
.field.invalid input,.field.invalid select{border-color:var(--red)}
.field.invalid .err{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.radio-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.radio-card{border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;display:flex;
  gap:10px;align-items:center;transition:.15s;font-weight:600}
.radio-card:hover{border-color:var(--blue-100)}
.radio-card.selected{border-color:var(--blue);background:var(--blue-050);color:var(--blue)}
.radio-card input{display:none}
.radio-card .fe{font-size:22px}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--slate);margin-bottom:18px}
.checkbox input{width:18px;height:18px;margin-top:2px;flex:none;accent-color:var(--blue)}
.auth-alt{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}
.form-msg{padding:12px 15px;border-radius:11px;font-size:14px;margin-bottom:16px;display:none}
.form-msg.error{background:#fdecec;color:#b42318;display:block}
.form-msg.ok{background:#e7f7ec;color:#0f7a37;display:block}

/* ===== dashboard ===== */
.dash{max-width:1080px;margin:0 auto;padding:30px 20px 60px}
.dash-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.dash-head h1{font-size:28px;margin:0}
.dash-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;align-items:start}
.tag{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:13px;padding:5px 12px;border-radius:999px}
.tag.pending{background:#fef4e2;color:#b76e00}
.tag.approved{background:#e7f7ec;color:#0f7a37}
.tag.review{background:var(--blue-050);color:var(--blue)}
.tag.none{background:#f1f4f8;color:var(--muted)}
.tag .dot{width:8px;height:8px;border-radius:50%;background:currentColor}
.limit-box{background:linear-gradient(135deg,var(--blue),#3a86ff);color:#fff;border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.limit-box .lbl{font-size:13px;color:rgba(255,255,255,.85)}
.limit-box .amt{font-size:38px;font-weight:800;letter-spacing:-.02em;margin:4px 0}
.progress{height:8px;background:rgba(255,255,255,.28);border-radius:999px;overflow:hidden;margin:14px 0 6px}
.progress i{display:block;height:100%;background:#fff;border-radius:999px}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.info-list li:last-child{border-bottom:none}
.info-list li span{color:var(--muted)}
.info-list li b{font-weight:700}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;
  letter-spacing:.04em;padding:10px 12px;border-bottom:1px solid var(--line)}
table.tbl td{padding:14px 12px;border-bottom:1px solid var(--line)}
table.tbl tr:last-child td{border-bottom:none}
.empty{text-align:center;padding:40px 20px;color:var(--muted)}
.empty .fe{font-size:40px;margin-bottom:10px}
.avatar{width:46px;height:46px;border-radius:12px;background:var(--blue);color:#fff;display:grid;
  place-items:center;font-weight:800;font-size:18px}
.dash-nav{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:2px}
.dash-nav a{padding:10px 16px;font-weight:600;color:var(--slate);border-bottom:2px solid transparent;margin-bottom:-2px}
.dash-nav a.active{color:var(--blue);border-color:var(--blue)}

/* apply steps */
.stepper{display:flex;gap:8px;margin-bottom:28px}
.stepper .s{flex:1;text-align:center;font-size:13px;font-weight:600;color:var(--muted);padding-bottom:10px;
  border-bottom:3px solid var(--line);transition:.2s}
.stepper .s.active{color:var(--blue);border-color:var(--blue)}
.stepper .s.done{color:var(--green);border-color:var(--green)}
.step-panel{display:none}
.step-panel.active{display:block;animation:fade .3s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.summary-box{background:var(--blue-050);border-radius:14px;padding:20px;margin-bottom:20px}
.summary-box .srow{display:flex;justify-content:space-between;padding:7px 0;font-size:15px}
.summary-box .srow b{font-weight:700}

.notice{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;
  padding:16px 18px;font-size:14px;color:var(--slate);margin-bottom:20px}
.badge-soft{display:inline-flex;align-items:center;gap:6px;background:var(--blue-050);color:var(--blue);
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}

/* ===== responsive ===== */
@media(max-width:900px){
  .hero-grid,.qr-grid,.dash-grid,.banner{grid-template-columns:1fr}
  .grid-3,.grid-4,.steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    padding:12px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .nav-toggle{display:block}
  .banner{padding:28px}
}
@media(max-width:560px){
  .grid-3,.grid-4,.steps,.grid-2,.field-row,.radio-cards{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
  .trust{gap:18px}
}