/* АкваМера — пилотный сайт water-meter-iot. Стилистика в духе waterius.ru */
:root{
  --accent:#12a5b8; --accent-dark:#0c7d8c; --ink:#17303c; --muted:#5f7480;
  --bg:#ffffff; --bg-alt:#f0f9fa; --card:#ffffff; --line:#dde9ee;
  --ok:#2e9e5b; --warn:#d9822b; --bad:#cf4a4a; --dark:#0e2e38;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;}

/* ===== Шапка ===== */
.topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);}
.topbar-in{max-width:1140px;margin:0 auto;display:flex;align-items:center;gap:26px;padding:12px 22px;flex-wrap:wrap;}
.logo{font-size:21px;font-weight:800;color:var(--dark);text-decoration:none;display:flex;align-items:center;gap:8px;}
.logo .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#3fc1d3);display:inline-block;}
.logo small{font-weight:400;color:var(--muted);font-size:12px;}
.menu{display:flex;gap:20px;flex-wrap:wrap;}
.menu a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500;padding:4px 0;}
.menu a:hover,.menu a.active{color:var(--accent);border-bottom:2px solid var(--accent);}
.top-actions{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap;}
.topbar .cta{background:var(--accent);color:#fff;padding:10px 20px;border-radius:24px;text-decoration:none;font-weight:600;font-size:15px;}
.topbar .cta.ghost{background:#fff;border:2px solid var(--accent);color:var(--accent);padding:8px 18px;}
.topbar .cta.ghost:hover{background:var(--bg-alt);}
.topbar .cta:hover{background:var(--accent-dark);}

/* ===== Общее ===== */
.wrap{max-width:1140px;margin:0 auto;padding:0 22px;}
section{padding:56px 0;}
section.alt{background:var(--bg-alt);}
h1{font-size:40px;line-height:1.15;letter-spacing:-.5px;}
h2{font-size:30px;letter-spacing:-.3px;margin-bottom:12px;}
h3{font-size:19px;margin-bottom:6px;}
p{margin:8px 0;}
.lead{font-size:19px;color:var(--muted);max-width:780px;}
.muted{color:var(--muted);font-size:14px;}
.center{text-align:center;}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:13px 26px;border-radius:28px;text-decoration:none;font-weight:600;margin:10px 10px 0 0;border:none;font-size:16px;cursor:pointer;}
.btn:hover{background:var(--accent-dark);}
.btn.ghost{background:transparent;border:2px solid var(--accent);color:var(--accent);}
.btn.ghost:hover{background:var(--bg-alt);}
.badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:8px 16px;font-size:14px;font-weight:600;margin:14px 10px 0 0;}
.badge::before{content:"✓";color:var(--accent);font-weight:800;}
.grid{display:grid;gap:18px;}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));}
.g3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 2px 10px rgba(14,46,56,.05);}
.card h3{margin-top:0;}
.tag{display:inline-block;background:#e0f5f8;color:var(--accent-dark);border-radius:20px;padding:4px 14px;font-size:13px;font-weight:700;margin-bottom:10px;}
ul.check{list-style:none;margin:10px 0 0;}
ul.check li{padding-left:26px;position:relative;margin:7px 0;}
ul.check li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800;}

/* ===== Hero ===== */
.hero{padding:64px 0 48px;}
.hero .btns{margin-top:8px;}
.hero-badges{margin-top:6px;}

/* ===== Секции ценностей ===== */
.value{background:var(--bg-alt);}
.value h2{max-width:820px;}

/* ===== Боли ===== */
.pain{border:1px solid var(--line);border-left:4px solid var(--accent);}

/* ===== Шаги ===== */
.steps{counter-reset:s;}
.step{display:flex;gap:18px;padding:16px 0;border-bottom:1px dashed var(--line);align-items:flex-start;}
.step:last-child{border-bottom:none;}
.step .num{flex:0 0 44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;}
.step p{margin:2px 0 0;}

/* ===== Статистика ===== */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 20px;text-align:center;}
.stat .num{font-size:38px;font-weight:800;color:var(--accent-dark);}
.stat .lbl{color:var(--muted);font-size:14px;}

/* ===== Тарифы ===== */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-top:24px;align-items:stretch;}
.plan{background:#fff;border:2px solid var(--line);border-radius:18px;padding:26px;position:relative;display:flex;flex-direction:column;}
.plan.best{border-color:var(--accent);box-shadow:0 8px 24px rgba(18,165,184,.15);}
.plan .ribbon{position:absolute;top:-13px;left:22px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:14px;}
.price{font-size:36px;font-weight:800;margin:6px 0 2px;}
.price small{font-size:15px;color:var(--muted);font-weight:500;}
.plan ul{flex:1;}
.plan .muted{margin-top:10px;}
table.plain{width:100%;border-collapse:collapse;background:#fff;font-size:14px;margin-top:12px;border-radius:12px;overflow:hidden;}
table.plain th,table.plain td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
table.plain th{background:#eef5f7;}
.us{background:#e9f7f4;}

/* ===== Сравнение ===== */
.cmp-note{font-size:13px;color:var(--muted);margin-top:10px;}
.tbl-wrap{overflow-x:auto;}

/* ===== Отзывы ===== */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;}
.quote{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;font-style:italic;}
.quote .who{font-style:normal;color:var(--muted);font-size:13px;margin-top:8px;}

/* ===== FAQ ===== */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px 0;}
summary{font-weight:600;cursor:pointer;font-size:16px;}
details p{margin-top:8px;}

/* ===== Дашборд ===== */
.dash{background:#eef5f8;border:1px solid var(--line);border-radius:16px;padding:18px;margin-top:16px;}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:14px;}
.tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;}
.tile .lbl{font-size:12px;color:var(--muted);}
.tile .val{font-size:22px;font-weight:700;}
.ok{color:var(--ok);} .warn{color:var(--warn);} .bad{color:var(--bad);}
.obj{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin-top:8px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:14px;}

/* ===== Форма заявки ===== */
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:10px;}
.field{display:flex;flex-direction:column;gap:5px;}
.field label{font-size:14px;font-weight:600;}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit;background:#fff;}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);border-color:transparent;}
.form .full{grid-column:1/-1;}
.form-msg{margin-top:12px;padding:12px 16px;border-radius:10px;display:none;}
.form-msg.ok{display:block;background:#e9f7ef;color:#20603a;border:1px solid #bfe6cd;}
.form-msg.err{display:block;background:#fdeeee;color:#7c2626;border:1px solid #f2c4c4;}

/* ===== Фото ===== */
.imgrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;}
.imgrow img{width:100%;border-radius:16px;display:block;box-shadow:0 6px 18px rgba(14,46,56,.12);}
.imgrow figcaption{font-size:13px;color:var(--muted);margin-top:8px;}

/* ===== Подвал ===== */
footer{background:var(--dark);color:#9dbecd;padding:34px 22px;font-size:14px;margin-top:24px;}
footer .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;}
footer a{color:#7fd4e6;text-decoration:none;}
footer h4{color:#fff;margin-bottom:8px;font-size:15px;}

@media (max-width:720px){
  h1{font-size:30px;} h2{font-size:24px;}
  section{padding:40px 0;}
}