:root {
  --navy: #061426;
  --navy-2: #0a2038;
  --blue: #0e8cff;
  --blue-2: #03c7f4;
  --red: #ff2448;
  --orange: #ff7a00;
  --white: #ffffff;
  --text: #1a2533;
  --muted: #6d7887;
  --surface: #f4f8fc;
  --border: #dfe7ef;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 18, 34, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-wrap { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 92px; height: 60px; object-fit: cover; object-position: center; border-radius: 12px; background: #fff; }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a { color: #d9e7f5; font-weight: 600; font-size: .95rem; transition: .2s; }
.nav a:hover { color: #fff; }
.nav-cta { padding: 11px 18px; border-radius: 999px; background: linear-gradient(135deg, var(--blue), var(--orange)); color: #fff !important; }
.menu-toggle { display: none; background: none; border: 0; color: white; font-size: 1.8rem; cursor: pointer; }

.hero {
  position: relative;
  min-height: 720px;
  background:
    linear-gradient(110deg, rgba(3,14,28,.98) 0%, rgba(5,23,42,.92) 47%, rgba(5,23,42,.55) 100%),
    url('assets/ulotka.jpeg') center/cover no-repeat;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: auto -10% -160px auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,140,255,.28), transparent 65%);
}
.hero-grid { position: relative; z-index: 2; min-height: 720px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 60px; padding: 70px 0; }
.hero-copy { color: white; }
.eyebrow { display: inline-block; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 800; color: var(--blue-2); margin-bottom: 14px; }
.hero h1 { margin: 0 0 22px; font-family: 'Montserrat', sans-serif; font-size: clamp(3rem, 6vw, 5.7rem); line-height: .95; letter-spacing: -.045em; }
.hero h1 span { background: linear-gradient(90deg, #fff, #78cbff, #ffad5f); -webkit-background-clip: text; color: transparent; }
.hero p { max-width: 680px; font-size: 1.16rem; color: #c8d6e4; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 26px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 12px; font-weight: 800; transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, #0f92ff, #ff5b2f); box-shadow: 0 12px 30px rgba(10,120,255,.24); }
.btn-secondary { color: white; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.06); }
.hero-points { display: flex; flex-wrap: wrap; gap: 18px; color: #dce8f2; font-size: .92rem; }
.hero-card { justify-self: end; width: min(100%, 560px); border-radius: 26px; overflow: hidden; border: 1px solid rgba(255,255,255,.15); box-shadow: 0 30px 80px rgba(0,0,0,.45); transform: rotate(1deg); }
.hero-card img { width: 100%; }

.section { padding: 100px 0; }
.section-head { max-width: 760px; margin-bottom: 46px; }
.section-head h2, .why h2, .about h2, .contact h2, .cta-box h2 { margin: 0 0 14px; font-family: 'Montserrat', sans-serif; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08; letter-spacing: -.035em; }
.section-head p, .lead, .about p, .contact p { color: var(--muted); }
.services { background: var(--surface); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { background: white; border: 1px solid var(--border); border-radius: 22px; padding: 30px; min-height: 250px; box-shadow: 0 10px 35px rgba(13,38,63,.06); transition: .25s; }
.service-card:hover { transform: translateY(-6px); box-shadow: 0 18px 42px rgba(13,38,63,.11); }
.service-card h3 { margin: 18px 0 10px; font-size: 1.3rem; }
.service-card p { margin: 0; color: var(--muted); }
.icon { width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center; font-size: 1.8rem; color: white; font-weight: 800; }
.icon.heat { background: linear-gradient(135deg, #ff2348, #7e0016); }
.icon.cool { background: linear-gradient(135deg, #00c8ff, #0754e8); }
.icon.orange { background: linear-gradient(135deg, #ffb100, #9d3d00); }

.why { background: var(--navy); color: white; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.why .lead { color: #bfd0df; font-size: 1.08rem; }
.why-list { display: grid; gap: 12px; margin-top: 28px; }
.why-list > div { display: flex; gap: 18px; align-items: center; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.why-list strong { font-size: 1.6rem; color: var(--blue-2); min-width: 44px; }
.why-list span { display: grid; }
.why-list b { font-size: 1rem; }
.why-list small { color: #9eb2c5; font-size: .9rem; }
.season-card { display: grid; grid-template-columns: 1fr 1fr; border-radius: 26px; overflow: hidden; box-shadow: 0 28px 65px rgba(0,0,0,.3); }
.season { min-height: 360px; padding: 34px; display: flex; flex-direction: column; justify-content: end; }
.season span { font-size: 3rem; }
.season h3 { margin: 12px 0 4px; font-size: 1.7rem; }
.season p { margin: 0; opacity: .9; }
.winter { background: linear-gradient(180deg, rgba(11,68,128,.2), rgba(6,61,124,.96)), url('assets/ulotka.jpeg') left bottom/cover no-repeat; }
.summer { background: linear-gradient(180deg, rgba(255,112,0,.12), rgba(226,93,0,.94)), url('assets/ulotka.jpeg') right bottom/cover no-repeat; }

.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.about-image { background: linear-gradient(135deg, #eef5fb, #fff); border: 1px solid var(--border); padding: 34px; border-radius: 28px; box-shadow: 0 18px 45px rgba(14,47,81,.08); }
.about-image img { border-radius: 22px; }
.text-link { color: #0578dc; font-weight: 800; }

.cta-section { padding: 0 0 100px; }
.cta-box { background: linear-gradient(115deg, #07172a, #0b4270); color: #fff; border-radius: 30px; padding: 52px; display: flex; align-items: center; justify-content: space-between; gap: 30px; box-shadow: 0 24px 60px rgba(0,48,94,.18); }
.cta-box p { color: #c9d8e6; margin-bottom: 0; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.btn.light { border-color: rgba(255,255,255,.35); }

.contact { background: #f7f9fc; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.contact-card { background: white; border: 1px solid var(--border); border-radius: 24px; padding: 26px; box-shadow: 0 18px 45px rgba(12,37,64,.07); }
.contact-card a, .social-row { display: grid; grid-template-columns: 110px 1fr; gap: 14px; padding: 17px 0; border-bottom: 1px solid #e7edf3; align-items: center; }
.contact-card a:last-of-type { border-bottom: 1px solid #e7edf3; }
.contact-card span { color: var(--muted); font-size: .9rem; }
.contact-card strong { overflow-wrap: anywhere; }

.footer { background: #04101f; color: #9db0c2; padding: 24px 0; }
.footer-wrap { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.footer a { color: #fff; font-weight: 700; }

@media (max-width: 980px) {
  .hero-grid, .why-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-grid { min-height: auto; padding: 80px 0; }
  .hero-card { justify-self: stretch; width: 100%; max-width: 680px; transform: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about-image { max-width: 560px; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .cta-actions { justify-content: flex-start; }
}

@media (max-width: 760px) {
  .nav-wrap { min-height: 72px; }
  .brand img { width: 78px; height: 50px; }
  .menu-toggle { display: block; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #07172a; padding: 18px 20px 24px; flex-direction: column; align-items: stretch; gap: 8px; border-top: 1px solid rgba(255,255,255,.08); }
  .nav.open { display: flex; }
  .nav a { padding: 11px 0; }
  .nav-cta { text-align: center; margin-top: 6px; }
  .hero-grid { padding: 62px 0; gap: 36px; }
  .hero h1 { font-size: clamp(2.8rem, 15vw, 4.5rem); }
  .hero p { font-size: 1rem; }
  .service-grid { grid-template-columns: 1fr; }
  .season-card { grid-template-columns: 1fr; }
  .season { min-height: 260px; }
  .section { padding: 72px 0; }
  .cta-section { padding-bottom: 72px; }
  .cta-box { padding: 34px 26px; }
  .contact-card a, .social-row { grid-template-columns: 1fr; gap: 3px; }
  .footer-wrap { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { width: min(100% - 28px, 1180px); }
  .hero-actions .btn { width: 100%; }
  .hero-points { display: grid; gap: 8px; }
  .service-card { padding: 24px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { width: 100%; }
}