/* =========================================================
   CloudOne — «Путешествуем вместе»
   Дизайн-токены и общие стили сайта
   ========================================================= */

:root{
  /* Палитра */
  --deep-ocean:   #123A52;
  --ocean:        #1B6E8C;
  --teal:         #2FA6A6;
  --teal-bright:  #3FBFBF;
  --mist:         #EAF6F6;
  --paper:        #FBFDFD;
  --ink:          #12262E;
  --ink-soft:     #4C6672;
  --line:         #D9E8E8;
  --white:        #FFFFFF;

  /* Типографика */
  --font-display: 'Manrope', 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Форма */
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --shadow-soft: 0 10px 30px rgba(18, 58, 82, 0.12);
  --shadow-tight: 0 4px 14px rgba(18, 58, 82, 0.14);
  --container: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4{
  font-family: var(--font-display);
  color: var(--deep-ocean);
  line-height: 1.15;
  margin: 0 0 .5em;
}
p{ margin: 0 0 1em; }
a{ color: var(--ocean); text-decoration: none; }
a:hover{ color: var(--teal); }
img{ max-width: 100%; display: block; }
ul{ padding-left: 1.2em; }
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
:focus-visible{
  outline: 3px solid var(--teal-bright);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------------------------------------------------------
   Хедер / навигация
   --------------------------------------------------------- */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 18px;
  background: rgba(255,255,255,0.42);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 999px;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow-tight);
}
.nav__brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--deep-ocean);
  white-space: nowrap;
}
.nav__brand img{ width: 32px; height: 32px; }
.nav__links{
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0; padding: 0;
  flex-wrap: wrap;
}
.nav__links a, .nav__links button{
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--deep-ocean);
  background: transparent;
  border: none;
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .18s ease, box-shadow .18s ease, color .18s ease;
}
.nav__links a:hover, .nav__links button:hover{
  background: rgba(255,255,255,0.75);
  box-shadow: 0 2px 10px rgba(18,58,82,0.12);
  color: var(--ocean);
}
.nav__links a.is-active{
  background: var(--white);
  box-shadow: var(--shadow-tight);
}
.nav__cta{
  background: var(--deep-ocean) !important;
  color: var(--white) !important;
}
.nav__cta:hover{
  background: var(--ocean) !important;
  color: var(--white) !important;
}
.nav__toggle{
  display: none;
}

@media (max-width: 900px){
  .nav{ border-radius: 20px; flex-wrap: wrap; }
  .nav__links{
    width: 100%;
    justify-content: flex-start;
    display: none;
    padding-top: 8px;
    border-top: 1px solid rgba(18,58,82,0.12);
    margin-top: 8px;
  }
  .nav.is-open .nav__links{ display: flex; }
  .nav__toggle{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.7);
    cursor: pointer;
  }
}

/* ---------------------------------------------------------
   Hero (главная)
   --------------------------------------------------------- */
.hero{
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 140px 24px 80px;
}
.hero__bg{
  position: absolute;
  inset: 0;
  background-image: url('../img/hero-landscape.svg');
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
}
.hero__scrim{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9,32,46,0.35) 0%, rgba(9,32,46,0.30) 45%, rgba(8,27,38,0.65) 100%);
  backdrop-filter: blur(0px);
}
.hero__content{
  position: relative;
  z-index: 2;
  max-width: 760px;
  text-align: center;
  color: var(--white);
}
.hero__mark{
  width: 64px; height: 64px;
  margin: 0 auto 22px;
  filter: drop-shadow(0 6px 18px rgba(0,0,0,0.25));
}
.hero__eyebrow{
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--mist);
  opacity: 0.9;
  margin-bottom: 10px;
}
.hero h1{
  color: var(--white);
  font-size: clamp(34px, 5.2vw, 58px);
  margin-bottom: 18px;
}
.hero__lead{
  font-size: 18px;
  color: rgba(255,255,255,0.92);
  max-width: 600px;
  margin: 0 auto 34px;
}
.hero__actions{
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn--primary{
  background: var(--teal-bright);
  color: var(--deep-ocean);
  box-shadow: 0 10px 24px rgba(63,191,191,0.35);
}
.btn--primary:hover{ background: #58cccc; color: var(--deep-ocean); }
.btn--ghost{
  background: rgba(255,255,255,0.14);
  color: var(--white);
  border-color: rgba(255,255,255,0.55);
}
.btn--ghost:hover{ background: rgba(255,255,255,0.24); color: var(--white); }
.btn--dark{
  background: var(--deep-ocean);
  color: var(--white);
}
.btn--dark:hover{ background: var(--ocean); color: var(--white); }
.btn--block{ width: 100%; justify-content: center; }

.hero__scrolldown{
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.hero__scrolldown svg{ animation: bob 2.2s ease-in-out infinite; }
@keyframes bob{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(6px); }
}

/* ---------------------------------------------------------
   Иконки-фичи под hero
   --------------------------------------------------------- */
.feature-strip{
  padding: 70px 0 30px;
}
.feature-strip__grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card{
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px 22px;
  background: var(--white);
}
.feature-card__icon{
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--mist);
  color: var(--ocean);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature-card h3{ font-size: 18px; margin-bottom: 6px; }
.feature-card p{ color: var(--ink-soft); margin: 0; font-size: 14.5px; }

@media (max-width: 800px){
  .feature-strip__grid{ grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------
   Общие секции контентных страниц
   --------------------------------------------------------- */
.page-hero{
  padding: 150px 0 50px;
  background: linear-gradient(180deg, var(--deep-ocean) 0%, var(--ocean) 100%);
  color: var(--white);
}
.page-hero__inner{ max-width: 760px; }
.page-hero h1{ color: var(--white); font-size: clamp(28px, 4vw, 42px); }
.page-hero p{ color: rgba(255,255,255,0.88); font-size: 17px; margin: 0; }

.section{ padding: 56px 0; }
.section--tight{ padding: 32px 0; }
.prose{ max-width: 760px; }
.prose h2{ font-size: 24px; margin-top: 1.6em; }
.prose h2:first-child{ margin-top: 0; }
.prose p{ color: var(--ink-soft); }
.prose ul{ color: var(--ink-soft); }
.prose li{ margin-bottom: 6px; }
.prose strong{ color: var(--ink); }

.callout{
  background: var(--mist);
  border-left: 4px solid var(--teal);
  border-radius: var(--radius-s);
  padding: 18px 22px;
  color: var(--deep-ocean);
  margin: 26px 0;
}

.rules-block{
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 24px 26px;
  margin-bottom: 18px;
  background: var(--white);
}
.rules-block h2{
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.rules-block__num{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--mist);
  color: var(--ocean);
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.rules-block p, .rules-block li{ color: var(--ink-soft); font-size: 15px; }

/* Карточки контактов */
.contact-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.contact-card{
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 22px;
  background: var(--white);
}
.contact-card h3{ font-size: 15px; text-transform: none; color: var(--ink-soft); margin-bottom: 8px; font-weight: 600;}
.contact-card p, .contact-card a{ font-size: 16px; color: var(--ink); font-weight: 600; }
@media (max-width: 760px){ .contact-grid{ grid-template-columns: 1fr; } }

/* ---------------------------------------------------------
   Футер
   --------------------------------------------------------- */
.site-footer{
  background: var(--deep-ocean);
  color: rgba(255,255,255,0.78);
  padding: 46px 0 26px;
  margin-top: 40px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}
.footer-brand{ display:flex; align-items:center; gap:10px; color:var(--white); font-family: var(--font-display); font-weight: 800; font-size: 17px; margin-bottom: 10px;}
.footer-brand img{ width: 26px; height: 26px; }
.site-footer h4{ color: var(--white); font-size: 14px; margin-bottom: 12px; }
.site-footer ul{ list-style: none; padding: 0; margin: 0; }
.site-footer li{ margin-bottom: 8px; }
.site-footer a{ color: rgba(255,255,255,0.78); font-size: 14.5px; }
.site-footer a:hover{ color: var(--white); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 18px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: rgba(255,255,255,0.6);
}
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; } }

/* ---------------------------------------------------------
   Модальные окна
   --------------------------------------------------------- */
.modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(9, 27, 38, 0.55);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}
.modal-overlay.is-open{ display: flex; }
.modal{
  background: var(--white);
  border-radius: var(--radius-l);
  padding: 32px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-soft);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.modal__close{
  position: absolute;
  top: 16px; right: 16px;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--mist);
  color: var(--deep-ocean);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.modal__close:hover{ background: var(--line); }
.modal h2{ font-size: 21px; margin-bottom: 6px; }
.modal p.modal__sub{ color: var(--ink-soft); font-size: 14px; margin-bottom: 22px; }
.field{ margin-bottom: 16px; }
.field label{
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--deep-ocean);
  margin-bottom: 6px;
}
.field input{
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-s);
  border: 1.5px solid var(--line);
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--paper);
}
.field input:focus{ border-color: var(--teal); outline: none; }
.form-msg{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  font-size: 14px;
  display: none;
}
.form-msg.is-visible{ display: block; }
.form-msg--error{
  background: #FDECEC;
  color: #A6362F;
  border: 1px solid #F4C6C3;
}
.form-msg--notice{
  background: #FFF6E5;
  color: #93650E;
  border: 1px solid #F6DFA9;
}
.form-msg--notice small{ display:block; margin-top: 4px; font-weight: 400; color: #93650E; opacity: .85;}

/* ---------------------------------------------------------
   404
   --------------------------------------------------------- */
.error-page{
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 60px;
  background: linear-gradient(180deg, var(--deep-ocean), var(--ocean));
  color: var(--white);
}
.error-page__code{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(70px, 14vw, 140px);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.error-page p{ color: rgba(255,255,255,0.85); font-size: 17px; }
.error-page__actions{ margin-top: 24px; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

/* skip link */
.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-s);
  z-index: 2000;
}
.skip-link:focus{ left: 16px; top: 16px; }