/* ============ ПЕРЕМЕННЫЕ ============ */
:root{
  --primary:#1e5fa8;
  --primary-dark:#143562;
  --primary-deep:#0b1f3a;
  --primary-light:#4a85c9;
  --accent:#5ba8dd;
  --accent-warm:#e8802c;
  --header-bg:#4DA6D4;
  --footer-bg:#051434;
  --bg:#eaf3fc;
  --bg-alt:#dde9f7;
  --text:#1f2937;
  --muted:#5a7a9e;
  --card:#ffffff;
  --border:#cfe0f2;
  --shadow:0 4px 24px rgba(30,95,168,.08);
  --shadow-hover:0 16px 40px rgba(30,95,168,.14);
  --radius:16px;
}

/* ============ БАЗА ============ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
svg{display:block}

.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ============ HEADER ============ */
header{
  background:var(--header-bg);
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 2px 18px rgba(30,95,168,.18);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 0;
  gap:24px;
}

/* ============ ЛОГОТИП БЕЗ РАМКИ ============ */
.logo{
  display:flex;
  align-items:center;
  flex-shrink:0;
  background:transparent;
  padding:0;
  transition:transform .25s ease;
}
.logo:hover{transform:translateY(-1px)}
.logo-img{
  height:110px;
  width:auto;
  display:block;
}

nav ul{
  display:flex;
  gap:32px;
  list-style:none;
  font-weight:500;
  font-size:15px;
}
nav a{
  color:#ffffff;
  position:relative;
  padding:4px 0;
  transition:color .2s, opacity .2s;
  opacity:.92;
}
nav a::after{
  content:"";
  position:absolute;
  bottom:0;left:0;
  width:0;height:2px;
  background:#ffffff;
  transition:width .25s;
  border-radius:2px;
}
nav a:hover{color:#ffffff;opacity:1}
nav a:hover::after{width:100%}

/* ============ КНОПКИ ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:12px;
  font-weight:600;
  cursor:pointer;
  border:none;
  font-size:15px;
  font-family:inherit;
  transition:.25s;
  text-align:center;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 4px 14px rgba(30,95,168,.25);
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(30,95,168,.35);
}
.btn-light{
  background:#ffffff;
  color:var(--primary);
  box-shadow:0 4px 14px rgba(15,38,71,.15);
}
.btn-light:hover{
  background:#f2f8fd;
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(15,38,71,.25);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.5);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.15);
  border-color:#fff;
}

/* ============ HERO ============ */
.hero{
  background:linear-gradient(135deg,#143562 0%,#1e5fa8 60%,#2a6fb8 100%);
  color:#fff;
  padding:100px 0 180px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 20% 80%, rgba(91,168,221,.18), transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(91,168,221,.12), transparent 40%);
  pointer-events:none;
}
.hero-city{
  position:absolute;
  left:0;right:0;bottom:0;
  height:260px;
  background-image:url('../images/city.svg');
  background-repeat:no-repeat;
  background-position:bottom center;
  background-size:cover;
  opacity:.28;
  pointer-events:none;
  mask-image:linear-gradient(to top, #000 55%, transparent 100%);
  -webkit-mask-image:linear-gradient(to top, #000 55%, transparent 100%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:56px;
  align-items:center;
  position:relative;
  z-index:1;
}
.hero-badge{
  display:inline-block;
  padding:6px 16px;
  border-radius:100px;
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.3);
  color:#fff;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:24px;
}
.hero h1{
  font-family:'Playfair Display',serif;
  font-size:48px;
  line-height:1.15;
  margin-bottom:24px;
  font-weight:700;
  letter-spacing:-.01em;
}
.hero p{
  font-size:17px;
  opacity:.9;
  margin-bottom:36px;
  max-width:520px;
  line-height:1.7;
}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap}

.hero-card{
  background:rgba(255,255,255,.1);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.18);
  border-radius:20px;
  padding:36px;
}
.hero-card h3{
  font-family:'Playfair Display',serif;
  margin-bottom:24px;
  font-size:20px;
  font-weight:700;
}
.hero-card ul{list-style:none;display:grid;gap:16px}
.hero-card li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  opacity:.95;
  line-height:1.5;
}
.icon-check{
  width:18px;height:18px;
  color:#ffffff;
  flex-shrink:0;
  margin-top:2px;
}

/* ============ СЕКЦИИ ============ */
.section{padding:88px 0;position:relative;overflow:hidden}

.section-city{
  background:var(--bg);
}
.section-city::before{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:320px;
  background-image:url('../images/city.svg');
  background-repeat:no-repeat;
  background-position:bottom center;
  background-size:cover;
  opacity:.12;
  pointer-events:none;
  mask-image:linear-gradient(to top, #000 35%, transparent 100%);
  -webkit-mask-image:linear-gradient(to top, #000 35%, transparent 100%);
}
.section-city .container{position:relative;z-index:1}

.section-blue{
  background:linear-gradient(135deg,#1e5fa8 0%,#143562 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.section-blue::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 15% 20%, rgba(91,168,221,.15), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(91,168,221,.1), transparent 40%);
  pointer-events:none;
}
.section-blue::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:280px;
  background-image:url('../images/city.svg');
  background-repeat:no-repeat;
  background-position:bottom center;
  background-size:cover;
  opacity:.32;
  pointer-events:none;
  mask-image:linear-gradient(to top, #000 40%, transparent 100%);
  -webkit-mask-image:linear-gradient(to top, #000 40%, transparent 100%);
}

.section-title{
  font-family:'Playfair Display',serif;
  font-size:36px;
  font-weight:700;
  color:var(--primary-dark);
  margin-bottom:14px;
  text-align:center;
  letter-spacing:-.01em;
}
.section-title-light{color:#fff}
.section-sub{
  text-align:center;
  color:var(--muted);
  margin-bottom:56px;
  font-size:16px;
  max-width:560px;
  margin-left:auto;
  margin-right:auto;
}
.section-sub-light{color:#b8d4ee}
.section-blue .container{position:relative;z-index:1}

/* ============ КАРТОЧКИ УСЛУГ ============ */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  background:var(--card);
  border-radius:var(--radius);
  padding:32px;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  transition:.3s cubic-bezier(.4,0,.2,1);
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:100%;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .35s;
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:var(--accent);
}
.card:hover::before{transform:scaleX(1)}
.card-icon{
  width:52px;height:52px;
  border-radius:14px;
  background:linear-gradient(135deg,#e8f1fb,#d5e4f5);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
  transition:.3s;
}
.card-icon svg{width:24px;height:24px}
.card:hover .card-icon{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  transform:scale(1.05);
}
.card h3{
  font-size:18px;
  margin-bottom:10px;
  color:var(--primary-dark);
  font-weight:700;
  line-height:1.35;
}
.card p{color:var(--muted);font-size:15px;line-height:1.65}

/* ============ РЕКВИЗИТЫ ============ */
.req-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.req-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px;
  box-shadow:var(--shadow);
}
.req-card h3{
  font-family:'Playfair Display',serif;
  font-size:18px;
  color:var(--primary-dark);
  margin-bottom:20px;
  padding-bottom:14px;
  border-bottom:2px solid var(--accent);
  display:inline-block;
  font-weight:700;
}
.req-row{
  display:flex;
  justify-content:space-between;
  padding:11px 0;
  border-bottom:1px solid var(--border);
  font-size:14.5px;
  gap:20px;
}
.req-row:last-child{border-bottom:none}
.req-row span:first-child{color:var(--muted);flex-shrink:0}
.req-row span:last-child{
  font-weight:600;
  text-align:right;
  word-break:break-word;
  color:var(--text);
}

/* ============ КОНТАКТЫ ============ */
.contacts-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.contact-card{
  background:transparent;
  border:none;
  box-shadow:none;
  padding:28px 16px;
  text-align:center;
  transition:.3s;
}
.contact-card:hover{transform:translateY(-4px)}
.contact-card .card-icon{
  margin:0 auto 18px;
  width:64px;
  height:64px;
  border-radius:18px;
  background:linear-gradient(135deg,#ffffff,#e6eff9);
  color:var(--primary);
  box-shadow:0 8px 22px rgba(30,95,168,.18);
  transition:.3s;
}
.contact-card .card-icon svg{width:28px;height:28px}
.contact-card:hover .card-icon{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  transform:scale(1.06);
  box-shadow:0 12px 28px rgba(30,95,168,.3);
}
.contact-card h4{
  font-size:17px;
  margin-bottom:10px;
  color:var(--primary-dark);
  font-weight:700;
}
.contact-card p{color:var(--muted);font-size:15px;margin-bottom:4px}
.contact-card a{color:var(--muted);transition:color .2s}
.contact-card a:hover{color:var(--primary)}

/* ============ ФОРМА ============ */
.form-section{
  background:linear-gradient(135deg,#dde9f7 0%,#eaf3fc 100%);
}
.form-section::before{
  opacity:.1;
}
.form-wrapper{
  background:#fff;
  border-radius:24px;
  padding:48px;
  max-width:840px;
  margin:0 auto;
  box-shadow:0 12px 48px rgba(30,95,168,.12);
  border:1px solid var(--border);
  position:relative;
  z-index:1;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-group.full{grid-column:1/-1}
.form-group label{
  font-size:14px;
  font-weight:600;
  color:var(--primary-dark);
}
.form-group label .req{color:#c0392b}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  padding:13px 16px;
  border:1.5px solid var(--border);
  border-radius:12px;
  font-size:15px;
  font-family:inherit;
  background:#fbfdff;
  transition:.2s;
  color:var(--text);
}
.form-group input::placeholder,
.form-group textarea::placeholder{color:#9fb1c4}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 4px rgba(30,95,168,.1);
}
.form-group textarea{resize:vertical;min-height:120px;line-height:1.6}
.checkbox-row{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:13px;
  color:var(--muted);
  margin-top:8px;
  line-height:1.55;
}
.checkbox-row input{
  width:18px;height:18px;
  margin-top:2px;
  accent-color:var(--primary);
  flex-shrink:0;
  cursor:pointer;
}
.form-footer{
  margin-top:28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
}
.form-hint{font-size:13px;color:var(--muted)}
.form-message{
  margin-top:20px;
  padding:14px 18px;
  border-radius:12px;
  font-size:14px;
  display:none;
  font-weight:500;
}
.form-message.success{
  background:#eef7f0;
  color:#2d6a4f;
  border:1px solid #b7e3c5;
  display:block;
}
.form-message.error{
  background:#fdf0ef;
  color:#b3261e;
  border:1px solid #f4b7b3;
  display:block;
}

/* ============ FOOTER (В ЦВЕТ ЛОГОТИПА) ============ */
footer{
  background:var(--footer-bg);
  color:#8fa9c7;
  padding:56px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:48px;
  margin-bottom:40px;
}

/* Логотип в подвале — БЕЗ рамки, сливается с фоном */
.logo-footer{
  display:inline-flex;
  margin-bottom:20px;
  background:transparent;
  padding:0;
  border-radius:0;
  box-shadow:none;
}
.logo-img-footer{
  height:110px;
  width:auto;
  display:block;
}

footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:18px;
  font-weight:700;
  letter-spacing:.02em;
}
footer ul{list-style:none;display:grid;gap:10px}
footer a{transition:color .2s;color:#8fa9c7}
footer a:hover{color:var(--accent)}
footer p{line-height:1.7;color:#8fa9c7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px;
  text-align:center;
  font-size:13px;
  color:#5f7796;
}

/* ============ АДАПТИВ ============ */
@media (max-width:960px){
  .hero-grid,
  .req-grid,
  .grid-3,
  .contacts-grid,
  .form-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }
  .hero{padding:72px 0 140px}
  .hero h1{font-size:34px}
  .hero p{max-width:100%}
  .section{padding:64px 0}
  .section-title{font-size:28px}
  .form-wrapper{padding:32px 24px}
  .footer-grid{gap:32px}
}
@media (max-width:640px){
  nav ul{display:none}
  .nav{padding:14px 0}
  .logo-img{height:72px}
  .hero h1{font-size:28px}
  .hero-buttons{flex-direction:column}
  .hero-buttons .btn{width:100%}
  .btn{padding:12px 20px;font-size:14px}
  .section-title{font-size:24px}
  .req-row{flex-direction:column;gap:4px;align-items:flex-start}
  .req-row span:last-child{text-align:left}
  .logo-img-footer{height:72px}
  .contact-card .card-icon{width:56px;height:56px}
}