:root{
  --bg:#f6f7fb; --card:#fff; --ink:#111827; --muted:#6b7280; --line:#e7e8ef;
  --primary:#5b52e6; --primary-d:#463cd6; --grad1:#6d5efc; --grad2:#12b76a;
  --green:#12b76a; --green-bg:#e7f7ee;
  --radius:18px; --shadow:0 8px 30px rgba(20,20,60,.08); --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.55;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,247,251,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px}
.brand__logo{font-size:24px}
.brand__txt{display:flex;flex-direction:column;line-height:1.05}
.brand__txt b{font-size:17px}
.brand__txt small{font-size:11px;color:var(--muted)}
.nav__links{display:flex;align-items:center;gap:22px}
.nav__links a:not(.btn){font-size:15px;color:var(--muted)}
.nav__links a:not(.btn):hover{color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-weight:600;border-radius:12px;padding:11px 18px;font-size:15px;transition:.15s;font-family:inherit}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(91,82,230,.28)}
.btn--primary:hover{background:var(--primary-d)}
.btn--ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{border-color:#c9cbe0}
.btn--sm{padding:8px 14px;font-size:14px}
.btn--lg{padding:14px 24px;font-size:16px}
.btn--full{width:100%}

.pill{display:inline-block;background:#eceafe;color:var(--primary-d);font-weight:600;font-size:13px;
  padding:6px 12px;border-radius:999px;margin-bottom:16px}
.pill--green{background:var(--green-bg);color:#087443}
.grad{background:linear-gradient(90deg,var(--grad1),var(--grad2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* hero */
.hero{padding:48px 0 24px}
.hero__in{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;text-align:center}
.hero__col{max-width:760px;margin:0 auto}
.hero h1{font-size:34px;line-height:1.12;margin:0 0 14px;letter-spacing:-.02em}
.lead{font-size:17px;color:#374151;margin:0 0 22px;max-width:620px}
.hero .lead{margin-left:auto;margin-right:auto}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.hero__badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;color:var(--muted);font-size:14px;font-weight:500;justify-content:center}

/* sections */
.sec{padding:56px 0}
.sec--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec__h{font-size:27px;text-align:center;margin:0 0 8px;letter-spacing:-.02em}
.sec__h--left{text-align:left}
.sec__sub{text-align:center;color:var(--muted);margin:0 auto 32px;max-width:620px}
.sec h2{letter-spacing:-.02em}

/* grids */
.grid{display:grid;gap:16px}
.grid--4{grid-template-columns:1fr}
.grid--2{grid-template-columns:1fr}

/* pain */
.pain{background:linear-gradient(180deg,#fff,#f6f7fb)}
.pain__card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.pain__card span{font-size:26px}
.pain__card b{display:block;margin:8px 0 4px;font-size:16px}
.pain__card p{margin:0;color:var(--muted);font-size:14px}
.pain__turn{text-align:center;font-weight:600;color:var(--primary-d);margin:28px 0 0;font-size:17px}

/* modules — текстовые карточки, сетка 1→2→3 колонки */
.modules{display:grid;grid-template-columns:1fr;gap:18px;max-width:1100px;margin:0 auto}
.modcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 20px;box-shadow:var(--shadow);transition:.15s;display:flex;flex-direction:column}
.modcard:hover{transform:translateY(-3px);border-color:#d6d4f5;box-shadow:0 16px 40px rgba(20,20,60,.12)}
.modcard__ico{font-size:30px;line-height:1;margin-bottom:12px}
.modcard h3{margin:0 0 8px;font-size:18px;letter-spacing:-.01em}
.modcard p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.5}

.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:0;margin:34px 0 0}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:14px;font-weight:500}

/* two-column feature */
.two{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.two__txt h2{font-size:25px;margin:6px 0 16px}
.two__img img{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.ticks li{position:relative;padding-left:30px;color:#374151;font-size:15px}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;background:var(--green-bg);
  color:#087443;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.ticks li b{color:var(--ink)}
.ticks--big li{font-size:16px}
.ticks--light li{color:#e6e6f5}
.ticks--light li b{color:#fff}

/* persona-секции (текстом, без скриншотов) */
.persona{max-width:900px;margin:0 auto;text-align:center}
.persona .pill{margin-bottom:14px}
.persona h2{font-size:25px;margin:0 0 22px;letter-spacing:-.02em}
.persona .ticks{text-align:left;max-width:760px;margin:0 auto}

/* demo */
.demo{background:#fff;border-top:1px solid var(--line)}
.roles{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:720px;margin:0 auto}
.role{display:flex;flex-direction:column;align-items:center;gap:8px;background:var(--bg);
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 12px;font-weight:600;transition:.15s}
.role span{font-size:30px}
.role:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}

/* cta */
.cta{background:linear-gradient(135deg,#4b41d8,#6d5efc)}
.cta__in{display:grid;grid-template-columns:1fr;gap:28px}
.cta__txt h2{color:#fff;font-size:27px;margin:0 0 12px}
.cta__txt p{color:#dcd9fb;margin:0 0 18px}
.lead{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:grid;gap:14px}
.lead label{display:grid;gap:6px;font-size:13px;font-weight:600;color:#374151}
.lead input{padding:12px 14px;border:1px solid var(--line);border-radius:11px;font-size:16px;font-family:inherit;background:#fbfbfe}
.lead input:focus{outline:none;border-color:var(--primary);background:#fff}
.lead__ok{margin:0;color:#087443;font-weight:600;text-align:center}
.lead__err{margin:0;color:#c0392b;font-weight:600;text-align:center}

/* offer — тёмный контрастный блок про экономику штата */
.offer{background:radial-gradient(120% 120% at 80% 0%,#241f52 0%,#12122b 55%,#0c0c1e 100%);color:#eceafe;text-align:center}
.offer .wrap{max-width:1000px}
.pill--warn{background:rgba(255,196,89,.16);color:#ffd27d}
.offer__h{font-size:28px;letter-spacing:-.02em;margin:0 0 14px;color:#fff}
.offer__accent{color:#ffce7a}
.offer__lead{color:#c7c6ef;max-width:660px;margin:0 auto 30px;font-size:16.5px}
.offer__grid{display:grid;grid-template-columns:1fr;gap:16px;text-align:left}
.offer__card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:20px}
.offer__ico{font-size:28px;line-height:1;display:block;margin-bottom:10px}
.offer__card b{display:block;font-size:16px;margin-bottom:6px;color:#fff}
.offer__card p{margin:0;color:#b9b8e4;font-size:14.5px;line-height:1.5}
.offer__btn{margin-top:28px}

/* калькулятор экономии */
.calc__grid{display:grid;grid-template-columns:1fr;gap:22px;max-width:1000px;margin:0 auto}
.calc__inputs{display:grid;gap:20px;align-content:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.calc__row label{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;font-weight:600;color:#374151;margin-bottom:8px;gap:12px}
.calc__row output{font-size:17px;font-weight:700;color:var(--primary-d);font-variant-numeric:tabular-nums}
.calc__row input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:6px;border-radius:999px;background:#e6e6f5;outline:none}
.calc__row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 2px 8px rgba(91,82,230,.5);cursor:pointer}
.calc__row input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 2px 8px rgba(91,82,230,.5);cursor:pointer}
.calc__out{background:linear-gradient(135deg,#4b41d8,#6d5efc);color:#fff;border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:18px}
.calc__save{display:flex;flex-direction:column;line-height:1.1}
.calc__save-lbl{font-size:14px;color:#dcd9fb;font-weight:600}
.calc__save-big{font-size:42px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin:4px 0 2px}
.calc__save-unit{font-size:15px;color:#dcd9fb;font-weight:600}
.calc__save-year{margin-top:8px;font-size:15px;color:#efeefc}
.calc__save-year b{font-variant-numeric:tabular-nums}
.calc__save--neg .calc__save-big,.calc__save--neg .calc__save-year b{color:#ffd0d0}
.calc__covers{margin:0;padding:14px 16px;background:rgba(255,255,255,.12);border-radius:12px;font-size:15px;font-weight:600;display:flex;flex-direction:column;gap:2px}
.calc__covers b{font-size:20px;font-variant-numeric:tabular-nums}
.calc__covers small{font-weight:500;color:#dcd9fb;font-size:12.5px}
.calc__break{display:grid;gap:8px;border-top:1px solid rgba(255,255,255,.18);padding-top:16px}
.calc__break-row{display:flex;justify-content:space-between;gap:14px;font-size:14px;color:#e4e2fb}
.calc__break-row b{font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap}
.calc__break-row--tot{border-top:1px solid rgba(255,255,255,.18);padding-top:10px;margin-top:2px;font-size:15px;color:#fff}
.calc__disc{max-width:820px;margin:24px auto 0;text-align:center;color:var(--muted);font-size:12.5px;line-height:1.5}

/* модель кураторов */
.cur__grid{max-width:1100px;margin:0 auto}
.cur__card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.cur__card span{font-size:26px}
.cur__card b{display:block;margin:10px 0 6px;font-size:16px}
.cur__card p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}

/* footer */
.foot{background:#0f1024;color:#c7c9e0;padding:26px 0}
.foot__in{display:flex;flex-direction:column;gap:6px;font-size:14px}
.foot b{color:#fff}

/* tablet+ */
@media(min-width:720px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--2{grid-template-columns:1fr 1fr}
  .two{grid-template-columns:1fr 1fr}
  .modules{grid-template-columns:repeat(2,1fr)}
  .ticks--2col{grid-template-columns:1fr 1fr;gap:14px 30px}
  .roles{grid-template-columns:repeat(5,1fr)}
  .cta__in{grid-template-columns:1.1fr .9fr}
  .hero h1{font-size:44px}
  .persona h2{font-size:28px}
  .sec__h{font-size:32px}
  .offer__grid{grid-template-columns:repeat(3,1fr)}
  .offer__h{font-size:34px}
  .calc__grid{grid-template-columns:1fr 1fr}
}
@media(min-width:980px){
  .hero{padding:64px 0 40px}
  .modules{grid-template-columns:repeat(3,1fr)}
  .grid--4{grid-template-columns:repeat(4,1fr)}
  .hero h1{font-size:50px}
}
@media(max-width:520px){
  .nav__links a:not(.btn){display:none}
}