:root {
  --navy: #071A2F;
  --navy-2: #102A43;
  --teal: #0E6F8F;
  --ice: #9DE8F2;
  --paper: #F5F8FA;
  --white: #FFFFFF;
  --line: #D9E4EA;
  --muted: #6B7C88;
  --amber: #FFB84D;
  --radius-lg: 32px;
  --radius-md: 22px;
  --shadow-soft: 0 24px 70px rgba(7, 26, 47, .10);
  --shadow-card: 0 16px 44px rgba(7, 26, 47, .08);
  --font-display: "Unbounded", sans-serif;
  --font-text: "Golos Text", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-text);
  color: var(--navy);
  background:
    radial-gradient(circle at 12% 8%, rgba(157, 232, 242, .55), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(255, 184, 77, .18), transparent 24%),
    linear-gradient(180deg, #F8FBFC 0%, var(--paper) 100%);
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
p { color: var(--muted); line-height: 1.7; }
.container { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.section { padding: 96px 0; }
.section-sm { padding: 48px 0; }

.site-header {
  position: sticky;
  top: 14px;
  z-index: 50;
  width: min(1180px, calc(100% - 24px));
  min-height: 72px;
  margin: 14px auto 0;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 999px;
  background: rgba(255, 255, 255, .74);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(7, 26, 47, .08);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-display);
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--teal));
  box-shadow: 0 14px 30px rgba(14, 111, 143, .22);
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); margin-top: 2px; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 18px; margin-left: auto; font-size: 14px; color: var(--navy-2); }
.main-nav a { padding: 10px 0; transition: color .2s ease; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--teal); }
.nav-toggle { display: none; }
.header-cta { margin-left: 4px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:disabled {
  cursor: not-allowed;
  opacity: .62;
  transform: none;
}
.btn-primary { color: var(--white); background: linear-gradient(135deg, var(--navy), var(--teal)); box-shadow: 0 16px 36px rgba(14, 111, 143, .24); }
.btn-accent { color: var(--navy); background: linear-gradient(135deg, var(--amber), #FFD28A); box-shadow: 0 16px 36px rgba(255, 184, 77, .24); }
.btn-ghost { color: var(--navy); background: rgba(255, 255, 255, .58); border: 1px solid rgba(7, 26, 47, .12); }
.btn-small { min-height: 44px; padding-inline: 18px; font-size: 14px; }

.hero { position: relative; overflow: hidden; padding-top: 110px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--teal); font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); letter-spacing: -.04em; }
h1 { max-width: 820px; font-size: clamp(42px, 7vw, 86px); line-height: .96; }
h2 { font-size: clamp(30px, 4vw, 54px); line-height: 1.05; }
h3 { font-size: 22px; line-height: 1.18; }
.hero-text { max-width: 640px; margin: 24px 0 0; font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-art {
  position: relative;
  min-height: 520px;
  border-radius: 48px;
  background:
    radial-gradient(circle at 24% 18%, rgba(157, 232, 242, .95), transparent 28%),
    radial-gradient(circle at 74% 72%, rgba(255, 184, 77, .28), transparent 24%),
    linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(221, 247, 250, .62));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.photo-hero {
  display: grid;
  min-height: 520px;
  padding: 18px;
  gap: 14px;
}
.photo-hero::before {
  display: none;
}
.hero-photo-main,
.hero-photo-float,
.photo-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.hero-photo-main {
  min-height: 100%;
  border-radius: 34px;
  filter: saturate(1.04) contrast(1.02);
}
.hero-photo-float {
  position: absolute;
  z-index: 3;
  width: 42%;
  height: 34%;
  border: 8px solid rgba(255, 255, 255, .78);
  border-radius: 28px;
  box-shadow: var(--shadow-soft);
}
.hero-photo-top {
  top: 28px;
  right: 28px;
}
.hero-photo-bottom {
  left: 28px;
  bottom: 28px;
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: 28px;
  border: 1px solid rgba(7, 26, 47, .08);
  border-radius: 36px;
  background-image: linear-gradient(90deg, rgba(7, 26, 47, .05) 1px, transparent 1px), linear-gradient(0deg, rgba(7, 26, 47, .05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 72%);
}
.sport-sphere {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 260px;
  height: 260px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #fff, transparent 18%), linear-gradient(135deg, var(--ice), var(--teal) 56%, var(--navy));
  box-shadow: 0 40px 90px rgba(14, 111, 143, .28);
  animation: float 7s ease-in-out infinite;
}
.orbit-card {
  position: absolute;
  z-index: 2;
  width: 210px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .74);
  border-radius: 24px;
  background: rgba(255, 255, 255, .64);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-card);
}
.orbit-card span { display: block; color: var(--teal); font-size: 13px; font-weight: 700; text-transform: uppercase; }
.orbit-card strong { display: block; margin-top: 6px; line-height: 1.35; }
.card-water { left: 28px; top: 46px; }
.card-ice { right: 28px; bottom: 46px; }

.quick-grid, .cards-grid, .news-grid, .contact-grid, .feature-grid { display: grid; gap: 18px; }
.image-grid, .details-grid {
  display: grid;
  gap: 18px;
}
.image-grid {
  grid-template-columns: 1.2fr .8fr;
}
.details-grid {
  grid-template-columns: 1fr 1fr;
}
.quick-grid { grid-template-columns: repeat(4, 1fr); }
.quick-grid a, .direction-card, .news-card, .contact-card, .steps-card, .cta-card, .map-card, .contact-form, .glass-card, .timeline-card, .news-feature, .feature-item, .faq-list details {
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-card);
}
.photo-card {
  margin: 0;
  min-height: 320px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .72);
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
}
.photo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}
.photo-card img {
  min-height: 280px;
  max-height: 460px;
}
.photo-card figcaption {
  padding: 18px 20px 22px;
  color: var(--navy);
  font-weight: 700;
  line-height: 1.45;
}
.photo-wide {
  grid-row: span 2;
}
.photo-wide img {
  min-height: 560px;
}
.quick-grid a { padding: 22px; font-weight: 700; transition: transform .2s ease, color .2s ease; }
.quick-grid a span { display: block; margin-bottom: 14px; color: var(--teal); font-family: var(--font-display); font-size: 14px; }
.quick-grid a:hover { color: var(--teal); transform: translateY(-3px); }
.section-head { max-width: 760px; margin-bottom: 34px; }
.cards-grid { grid-template-columns: repeat(3, 1fr); }
.direction-card, .news-card, .contact-card { padding: 28px; min-height: 260px; transition: transform .2s ease, box-shadow .2s ease; }
.direction-card:hover, .news-card:hover, .contact-card:hover, .feature-item:hover, .timeline-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.card-icon { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 18px; color: var(--white); font-size: 28px; background: linear-gradient(135deg, var(--navy), var(--teal)); }
.direction-card a, .news-card a, .contact-card a, .timeline-card a { display: inline-flex; margin-top: 18px; color: var(--teal); font-weight: 700; }

.trust-section { background: linear-gradient(135deg, rgba(7, 26, 47, .96), rgba(14, 111, 143, .94)), var(--navy); color: var(--white); }
.trust-section p, .trust-section .eyebrow { color: rgba(255, 255, 255, .74); }
.trust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.stats-grid { display: grid; gap: 16px; }
.stats-grid div { padding: 22px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 24px; background: rgba(255, 255, 255, .08); }
.stats-grid strong { display: block; font-family: var(--font-display); font-size: 42px; }
.stats-grid span { color: rgba(255, 255, 255, .78); }

.news-grid { grid-template-columns: repeat(3, 1fr); }
.news-card span, .contact-card span, .timeline-card span, .news-feature span, .feature-item span { display: block; margin-bottom: 18px; color: var(--teal); font-size: 13px; font-weight: 700; text-transform: uppercase; }
.cta-card { display: flex; justify-content: space-between; gap: 32px; align-items: center; padding: 42px; background: radial-gradient(circle at 12% 18%, rgba(157, 232, 242, .64), transparent 26%), rgba(255, 255, 255, .78); }

.site-footer { padding: 56px 0; color: rgba(255, 255, 255, .78); background: var(--navy); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 42px; }
.footer-grid h2 { margin: 0 0 18px; color: var(--white); font-family: var(--font-text); font-size: 16px; letter-spacing: 0; }
.footer-grid strong { color: var(--white); }
.brand-footer { margin-bottom: 16px; }
.footer-links { display: grid; gap: 12px; }
.footer-links a:hover { color: var(--white); }
.footer-credit {
  width: min(1120px, calc(100% - 32px));
  margin: 34px auto 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
}
.footer-credit a {
  color: var(--white);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, .32);
  text-underline-offset: 4px;
}
.footer-credit a:hover {
  color: var(--ice);
}

.page-hero { padding-top: 110px; padding-bottom: 64px; }
.page-hero .container { max-width: 920px; }
.page-hero p:not(.eyebrow) { max-width: 700px; font-size: 19px; }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.glass-card, .dark-card { padding: 38px; }
.dark-card { color: var(--white); background: linear-gradient(135deg, var(--navy), var(--teal)); }
.dark-card p, .dark-card .eyebrow { color: rgba(255,255,255,.78); }
.feature-grid { grid-template-columns: repeat(4, 1fr); }
.feature-item { padding: 24px; transition: transform .2s ease, box-shadow .2s ease; }
.coach-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-card);
}
.clean-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}
.clean-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  line-height: 1.55;
}
.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
}
.clean-list a {
  color: var(--teal);
  font-weight: 700;
}

.filters { display: flex; flex-wrap: wrap; gap: 12px; }
.filter-btn { min-height: 46px; padding: 0 18px; border: 1px solid rgba(7, 26, 47, .12); border-radius: 999px; color: var(--navy); background: rgba(255, 255, 255, .7); cursor: pointer; transition: transform .2s ease, background .2s ease; }
.filter-btn:hover { transform: translateY(-2px); }
.filter-btn.active { color: var(--white); background: linear-gradient(135deg, var(--navy), var(--teal)); }
.service-list .is-hidden { display: none; }
.steps-card { padding: 38px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 0; margin: 28px 0 0; list-style: none; }
.steps li { padding: 20px; border-radius: 22px; background: rgba(245, 248, 250, .9); font-weight: 700; }
.steps span { display: block; margin-bottom: 16px; color: var(--teal); font-family: var(--font-display); }
.timeline { display: grid; gap: 18px; }
.timeline-card { padding: 32px; transition: transform .2s ease, box-shadow .2s ease; }
.faq-list { display: grid; gap: 14px; }
.faq-list details { padding: 0 24px; }
.faq-list summary { padding: 22px 0; cursor: pointer; font-weight: 700; font-size: 18px; }
.faq-list p { margin-top: 0; }
.news-feature { padding: 42px; background: linear-gradient(135deg, rgba(255,255,255,.84), rgba(221,247,250,.74)); }
.news-feature .btn { margin-top: 14px; }

.contact-grid { grid-template-columns: repeat(3, 1fr); }
.contact-card strong { display: block; min-height: 54px; font-size: 18px; line-height: 1.4; }
.form-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 24px; }
.map-card, .contact-form { padding: 32px; }
.contact-form { display: grid; gap: 18px; }
.contact-form label { display: grid; gap: 8px; color: var(--navy-2); font-weight: 700; }
input, select, textarea { width: 100%; min-height: 54px; padding: 14px 16px; border: 1px solid rgba(7, 26, 47, .14); border-radius: 18px; font: inherit; background: rgba(255, 255, 255, .86); outline: none; }
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(14, 111, 143, .12); }
.agree { display: flex !important; align-items: center; font-weight: 500 !important; }
.agree input { width: 18px; min-height: 18px; }
.form-status { margin: 0; color: var(--teal); font-weight: 700; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes float { 0%, 100% { transform: translate(-50%, -50%) translateY(0); } 50% { transform: translate(-50%, -50%) translateY(-16px); } }

@media (max-width: 1100px) {
  .main-nav { gap: 12px; font-size: 13px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 980px) {
  .site-header { border-radius: 28px; }
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: grid; gap: 6px; margin-left: auto; width: 46px; height: 46px; place-items: center; border: 0; border-radius: 50%; background: var(--navy); }
  .nav-toggle span { display: block; width: 18px; height: 2px; background: var(--white); }
  .main-nav.is-open { position: fixed; left: 12px; right: 12px; top: 96px; display: grid; gap: 6px; padding: 18px; border-radius: 28px; background: rgba(255, 255, 255, .94); box-shadow: var(--shadow-soft); }
  .main-nav.is-open a { padding: 14px; border-radius: 16px; background: rgba(245, 248, 250, .84); }
  .hero-grid, .trust-grid, .form-grid, .split-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 420px; }
  .image-grid, .details-grid, .coach-panel { grid-template-columns: 1fr; }
  .photo-wide { grid-row: auto; }
  .photo-wide img { min-height: 320px; }
  .quick-grid, .cards-grid, .news-grid, .contact-grid, .steps { grid-template-columns: 1fr 1fr; }
  .cta-card { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .section-sm { padding: 32px 0; }
  .site-header { top: 8px; width: calc(100% - 16px); margin-top: 8px; }
  .brand small { display: none; }
  .hero, .page-hero { padding-top: 72px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .hero-art { min-height: 340px; border-radius: 32px; }
  .photo-hero { min-height: 390px; }
  .sport-sphere { width: 190px; height: 190px; }
  .orbit-card { width: 170px; }
  .hero-photo-main { border-radius: 24px; }
  .hero-photo-float { width: 48%; height: 28%; border-width: 5px; border-radius: 18px; }
  .hero-photo-top { top: 18px; right: 18px; }
  .hero-photo-bottom { left: 18px; bottom: 18px; }
  .photo-card img, .photo-wide img { min-height: 240px; }
  .card-water { left: 16px; top: 24px; }
  .card-ice { right: 16px; bottom: 24px; }
  .quick-grid, .cards-grid, .news-grid, .contact-grid, .steps, .feature-grid { grid-template-columns: 1fr; }
  .direction-card, .news-card, .contact-card { min-height: auto; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}
