/* ===== Rim.bel — кондиционеры. Чистая вёрстка ===== */
:root{
  --navy:#121f50;
  --navy-deep:#00244b;
  --blue:#0451a1;
  --blue-bright:#0082f3;
  --blue-tint:#d7e8ff;
  --ink:#243039;
  --muted:#5d6c7b;
  --line:#e4e6f1;
  --bg:#ffffff;
  --bg-soft:#f7f9fd;
  --white:#ffffff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 40px -24px rgba(18,31,80,.35);
  --shadow-lg:0 30px 60px -30px rgba(18,31,80,.45);
  --maxw:1680px;            /* потолок ширины контента; правь под вкус */
  --gap:clamp(16px,3vw,32px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Open Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5,h6{font-family:"Montserrat",sans-serif;color:var(--navy-deep);line-height:1.15;margin:0 0 .4em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}

/* резиновый контейнер с 5% полями, как в оригинале, но с потолком */
.container{width:min(90%,var(--maxw));margin-inline:auto}
.section{padding:clamp(48px,7vw,96px) 0}
.section--soft{background:var(--bg-soft)}
.eyebrow{display:inline-block;color:var(--blue);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:.82rem;margin-bottom:.6em}
.section-title{font-size:clamp(1.6rem,3.4vw,2.5rem);max-width:18ch}
.section-head{margin-bottom:clamp(28px,4vw,48px)}
.section-head--center{text-align:center;margin-inline:auto}
.section-head--center .section-title{margin-inline:auto}
.lede{color:var(--muted);font-size:1.05rem;max-width:60ch}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.85em 1.6em;border-radius:999px;font-weight:700;font-family:"Montserrat",sans-serif;
  cursor:pointer;border:2px solid transparent;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  font-size:1rem;line-height:1;
}
.btn--primary{background:var(--navy);color:#fff}
.btn--primary:hover{background:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn--ghost:hover{background:var(--navy);color:#fff}
/* кнопка на тёмном фоне: белый бордер + закругление */
.btn--ondark{background:transparent;color:#fff;border-color:#fff;border-radius:999px}
.btn--ondark:hover{background:#fff;color:var(--navy);transform:translateY(-2px)}
.btn--full{width:100%}

/* ===== Header (липкий: прозрачный над героем → белый ниже) ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:50;background:transparent;
  transition:background .4s ease,box-shadow .4s ease,backdrop-filter .4s ease;
}
.header.is-scrolled{
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:0 8px 28px -18px rgba(18,31,80,.45);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:clamp(12px,2vw,28px);padding:16px 0}
.nav__logo img{height:44px;width:auto}
.nav__hours{font-size:.8rem;color:var(--navy);font-weight:600}
.nav__menu{display:flex;align-items:center;gap:clamp(12px,1.6vw,26px)}
.nav__menu-hours,.nav__menu-phones,.nav__menu-cta,.nav__menu-social{display:none}  /* видны только в дропдауне */
.nav__link{font-weight:600;color:var(--navy-deep);position:relative;padding:4px 0}
.nav__link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue);transition:width .2s}
.nav__link:hover{color:var(--blue)}
.nav__link:hover::after{width:100%}
.nav__phones{display:flex;flex-direction:column;align-items:flex-end;text-align:right;font-size:.82rem;font-weight:700;color:var(--navy)}
.nav__phones a:hover{color:var(--blue)}
.nav__cta{white-space:nowrap}
.nav__burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.7);cursor:pointer;align-items:center;justify-content:center;margin-left:auto}
.nav__burger span{width:22px;height:2px;background:var(--navy);transition:.25s}
.nav.is-open .nav__burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.is-open .nav__burger span:nth-child(2){opacity:0}
.nav.is-open .nav__burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  background-image:linear-gradient(rgba(255,255,255,.15),rgba(255,255,255,.15)),url("../images/661855d5e01f5f4b3cdbf450_air-back.webp");
  background-size:cover;background-position:center;
}
.hero__inner{
  min-height:100vh;display:flex;flex-direction:column;justify-content:space-between;
  padding:clamp(110px,15vh,170px) 0 clamp(20px,4vh,40px);  /* верх — отступ под шапку, низ — карточки ближе к краю */
}
.hero__tagline{color:var(--blue);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:.9rem}
.hero__title{font-size:clamp(2.1rem,6vw,4rem);color:var(--navy-deep);max-width:16ch;margin:.2em 0 .3em}
.hero__sub{font-size:clamp(1.05rem,2.2vw,1.4rem);color:var(--navy);font-weight:600;max-width:40ch}
.hero__cta{margin-top:1.6em;display:flex;gap:14px;flex-wrap:wrap}

/* карточки преимуществ: glass + flex (5 в ряд → 3+2 → 1) */
.trust{margin-top:0;display:flex;flex-wrap:wrap;gap:16px}
.trust__card{
  flex:1 1 calc(20% - 13px);min-width:160px;
  background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.6);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow);
}
.trust__card h3{font-size:.98rem;margin-bottom:.25em;line-height:1.2}
.trust__card p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.35}

/* ===== Band (тёмные секции) ===== */
.band{background:var(--navy);color:#fff}
.band .section-title,.band h2,.band h3{color:#fff}
.band__grid{display:grid;grid-template-columns:1.2fr 1fr;gap:var(--gap);align-items:center}
.band p{color:rgba(255,255,255,.8);margin:0}
.band__title{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:.3em}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input[type=tel]{flex:1 1 200px}

/* ===== Form fields ===== */
.field{display:block;margin-bottom:16px}
.field__label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--ink)}
input,select,textarea{
  font:inherit;width:100%;padding:.8em 1em;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue-bright);box-shadow:0 0 0 3px rgba(0,130,243,.15)}
input::placeholder{color:#9aa4b2}
.band input{border-color:transparent}

/* ===== Services (равное число карточек в ряду: 3 / 2 / 1) ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;height:100%;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card__icon{width:56px;height:56px;border-radius:14px;background:var(--blue-tint);display:grid;place-items:center;margin-bottom:18px}
.card__icon img{width:30px;height:30px}
.card__title{font-size:1.2rem;margin-bottom:.15em}
.card__tag{color:var(--blue);font-weight:600;font-size:.92rem;margin-bottom:.7em;display:block}
.card p{color:var(--muted);font-size:.95rem;margin:0}

/* ===== Gallery: 2x2 маленьких слева + одно большое справа ===== */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.gallery__small{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.gallery__small a{aspect-ratio:1/1}
.gallery a{margin:0;border-radius:var(--radius);overflow:hidden;cursor:zoom-in;display:block}
.gallery__main{height:100%}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gallery a:hover img{transform:scale(1.05)}
@media (max-width:760px){
  .gallery{grid-template-columns:1fr}
  .gallery__main{aspect-ratio:4/3}
}

/* ===== Clients logos: естественный размер, как в оригинале ===== */
.logos{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:32px}
.logos__item{display:flex;align-items:center;justify-content:center;min-height:96px;padding:12px}
.logos__item img{max-width:100%;width:auto;filter:grayscale(1);opacity:.7;transition:.25s}
.logos__item:hover img{filter:none;opacity:1}

/* ===== Split: квадратное фото ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.split__img{
  position:relative;isolation:isolate;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);aspect-ratio:1/1;
  filter:brightness(.8) saturate(.8);          /* тон: -20% яркости, -20% насыщенности */
  transition:filter .45s ease;
}
.split__img img{width:100%;height:100%;object-fit:cover}
/* по умолчанию фото тонировано фирменным синим и приглушено, по ховеру — обычное.
   mix-blend-mode:color перекрашивает в монохром-синий, сохраняя светлоту —
   подходит для светлой дневной фотографии (multiply бы её затемнил). */
.split__img::after{
  content:"";position:absolute;inset:0;background:var(--blue);
  mix-blend-mode:color;transition:opacity .45s ease;pointer-events:none;
}
.split__img:hover{filter:brightness(.85) saturate(.7)}  /* ховер: −15% яркости, −30% насыщенности */
.split__img:hover::after{opacity:0}

/* ===== Testimonials slider ===== */
.slider{position:relative}
.slider__viewport{overflow:hidden}
.slider__track{display:flex;transition:transform .5s ease}
.slide{min-width:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);padding:6px}
.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.stars{display:flex;gap:2px;color:#f5b50a}
.stars svg{width:22px;height:22px}
.tcard__text{color:var(--ink);font-size:.95rem;margin:0;flex:1}
.tcard__author{display:flex;align-items:center;gap:12px}
.tcard__author img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.tcard__name{font-weight:700;font-size:.95rem;color:var(--navy)}
.tcard__role{color:var(--muted);font-size:.85rem}
.slider__arrows{display:flex;gap:10px;justify-content:center;margin-top:24px}
.slider__btn{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;color:var(--navy);transition:.2s}
.slider__btn:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.slider__btn svg{width:22px;height:22px}
.slider__dots{display:flex;gap:8px;justify-content:center;margin-top:16px}
.slider__dot{width:9px;height:9px;border-radius:50%;background:var(--line);border:none;cursor:pointer;padding:0;transition:.2s}
.slider__dot.is-active{background:var(--blue);width:24px;border-radius:999px}

/* ===== Order: синяя секция захвата лида ===== */
.order-section{background:var(--navy)}
.order-section .section-title{color:#fff}
.order-section .lede{color:rgba(255,255,255,.82)}
.order{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.order__form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,36px);box-shadow:var(--shadow-lg)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--muted);margin:14px 0}
.consent input{width:auto;margin-top:3px}
.consent a{color:var(--blue);text-decoration:underline}
.form-msg{display:none;margin-top:14px;padding:12px 16px;border-radius:var(--radius-sm);font-size:.92rem}
.form-msg.is-ok{display:block;background:#ebfff6;color:#006638}
.form-msg.is-err{display:block;background:#fceff0;color:#5b0b11}

/* ===== Footer (светлый, как в оригинале) ===== */
.footer{background:var(--bg-soft);color:var(--ink);padding:48px 0 28px;border-top:1px solid var(--line)}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--navy)}
.footer__top{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.footer__brand{display:flex;flex-direction:column;gap:6px}
.footer__logo img{height:54px}
.footer__req{font-size:.82rem;color:var(--muted)}
.footer__phones{display:flex;flex-direction:column;align-items:flex-end;text-align:right;font-weight:700;font-size:.9rem;color:var(--navy)}
.footer__menu{display:flex;gap:18px;flex-wrap:wrap}
.footer__menu a{display:inline-block;font-weight:600;color:var(--muted);transition:color .2s ease,transform .2s ease}
.footer__menu a:hover{color:var(--navy-deep);transform:translateY(-3px)}
.footer__social{display:flex;gap:12px}
.footer__social a{width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;transition:.2s}
.footer__social a:hover{background:var(--blue-tint);border-color:var(--blue)}
.footer__social img{width:22px;height:22px}
.footer__divider{height:1px;background:var(--line);margin:28px 0}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:var(--muted)}

/* ===== Modal ===== */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal.is-open{display:flex}
.modal__backdrop{position:absolute;inset:0;background:rgba(0,18,40,.55);backdrop-filter:blur(2px)}
.modal__box{position:relative;background:#fff;border-radius:var(--radius);padding:clamp(26px,4vw,44px);width:min(440px,100%);box-shadow:var(--shadow-lg);text-align:center}
.modal__close{position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:1.1rem;color:var(--muted)}
.modal__close:hover{background:var(--bg-soft);color:var(--navy)}
.modal h2{font-size:1.5rem}
.modal p{color:var(--muted)}
/* модалка-документ (политика): прокрутка, выравнивание влево */
.modal__box--doc{width:min(760px,100%);max-height:85vh;overflow-y:auto;text-align:left}
.modal__box--doc h2{font-size:1.35rem;margin-right:36px}
.modal__box--doc h3{font-size:1.05rem;margin:1.3em 0 .3em;color:var(--navy)}
.modal__box--doc p{color:var(--ink);font-size:.9rem}
.modal__box--doc ul{list-style:disc;padding-left:1.3em;margin:0 0 1em}
.modal__box--doc li{font-size:.9rem;color:var(--ink);margin-bottom:.3em}

/* ===== Lightbox ===== */
.lightbox{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(0,12,28,.85)}
.lightbox.is-open{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:12px;box-shadow:var(--shadow-lg)}
.lightbox__close{position:absolute;top:20px;right:24px;color:#fff;font-size:2rem;cursor:pointer;background:none;border:none}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .trust__card{flex:1 1 calc(33.333% - 11px)}  /* планшет: 3 в ряд → 3+2 во всю ширину */

  /* шапка на планшете/мобильном: всё уходит в выпадающее меню */
  .nav__hours,.nav__phones,.nav__cta{display:none}     /* версии в баре прячем */
  .nav__burger{display:flex}
  .nav__menu{
    position:fixed;inset:72px 0 auto 0;
    flex-direction:column;align-items:center;text-align:center;gap:14px;
    background:#fff;padding:22px clamp(20px,5%,40px);
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(calc(-100% - 90px));          /* гарантированно за краем экрана */
    transition:transform .35s ease;
  }
  .nav.is-open .nav__menu{transform:translateY(0)}
  .nav__menu-hours{display:block;color:var(--muted);font-weight:600;font-size:.85rem}
  .nav__menu-phones{display:flex;flex-direction:column;align-items:center;gap:4px;font-weight:700;color:var(--navy);font-size:.95rem;border-top:1px solid var(--line);padding-top:12px;width:100%}
  .nav__menu-cta{display:inline-flex;align-self:center}
  .nav__menu-social{display:flex;gap:12px;justify-content:center;padding-top:4px}
  .nav__menu-social a{width:42px;height:42px;border-radius:50%;background:var(--bg-soft);border:1px solid var(--line);display:grid;place-items:center;transition:.2s}
  .nav__menu-social a:hover{background:var(--blue-tint);border-color:var(--blue)}
  .nav__menu-social img{width:22px;height:22px}
}
@media (max-width:900px){
  .band__grid,.split,.order{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .slide{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}   /* планшет: 2 в ряд */
}
@media (max-width:820px){
  .footer__phones{align-items:flex-start;text-align:left}
}
@media (max-width:640px){
  .trust__card{flex:1 1 100%}                     /* мобильный: одна колонка */
  .cards{grid-template-columns:1fr}               /* мобильный: 1 услуга в ряд */
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto;transition:none!important;animation:none!important}
}