/* ======================================================
   КЛИМАТПРО — style.css (final unified)
   ====================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── VARIABLES ─────────────────────────────────────── */
:root {
  --night:      #0b0f1a;
  --night-2:    #111827;
  --night-3:    #1a2236;
  --ice:        #00b4d8;
  --ice-light:  #48cae4;
  --ice-dim:    rgba(0,180,216,0.12);
  --ice-glow:   rgba(0,180,216,0.25);
  --ice-border: rgba(0,180,216,0.2);
  --white:      #ffffff;
  --off-white:  #f0f4f8;
  --text:       #e2e8f0;
  --text-dim:   rgba(226,232,240,0.6);
  --text-muted: rgba(226,232,240,0.35);
  --card-bg:    rgba(255,255,255,0.04);
  --card-hover: rgba(255,255,255,0.07);
  --border:     rgba(255,255,255,0.08);
  --border-hover: rgba(0,180,216,0.35);

  --font-head: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius:    10px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
  --t:         0.3s;
  --max-w:     1280px;
  --px:        clamp(1.2rem, 5vw, 3rem);
}

/* ── RESET ─────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden;width:100%}
body{font-family:var(--font-body);background:var(--night);color:var(--text);line-height:1.65;overflow-x:hidden;width:100%;max-width:100vw;position:relative}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
ul{list-style:none}

/* ── UTILITIES ─────────────────────────────────────── */
.container{max-width:var(--max-w);margin:0 auto;padding:0 var(--px)}
.section{padding:100px 0}
.section--sm{padding:64px 0}
.ice{color:var(--ice)}
.ice-grad{background:linear-gradient(135deg,var(--ice),var(--ice-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.white-bg .ice-grad{background:linear-gradient(135deg,#0077a8,#00b4d8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;border:1px solid var(--ice-border);background:var(--ice-dim);color:var(--ice-light);font-size:12px;font-weight:500;letter-spacing:.04em}

.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;border-radius:var(--radius);font-family:var(--font-body);font-size:15px;font-weight:600;transition:var(--t) var(--ease);white-space:nowrap;letter-spacing:.01em}
.btn-ice{background:linear-gradient(135deg,var(--ice),var(--ice-light));color:var(--night);box-shadow:0 4px 24px var(--ice-glow)}
.btn-ice:hover{transform:translateY(-2px);box-shadow:0 8px 36px var(--ice-glow)}
.btn-outline{border:1.5px solid var(--ice-border);color:var(--ice-light);background:transparent}
.btn-outline:hover{background:var(--ice-dim);border-color:var(--ice)}
.btn-white{background:var(--white);color:var(--night)}
.btn-white:hover{background:var(--off-white);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:13px}

.section-eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--ice);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px}
.section-eyebrow::before{content:'';width:20px;height:2px;background:var(--ice);border-radius:2px}
.section-title{font-family:var(--font-head);font-size:clamp(1.9rem,3.8vw,3rem);font-weight:800;line-height:1.12;color:var(--white);margin-bottom:16px}
.section-sub{color:var(--text-dim);font-size:17px;max-width:540px;line-height:1.7}

/* ── GRID BG ───────────────────────────────────────── */
.grid-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(0,180,216,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,180,216,.04) 1px,transparent 1px);background-size:56px 56px}

/* ── NAV ───────────────────────────────────────────── */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:22px var(--px);transition:background .4s,backdrop-filter .4s,padding .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(11,15,26,.94);backdrop-filter:blur(24px);padding:14px var(--px);border-color:var(--border)}
.nav__inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;gap:24px}
.nav__logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav__logo-icon{width:34px;height:34px}
.nav__logo-text{font-family:var(--font-head);font-size:18px;font-weight:800;color:var(--white);line-height:1.1}
.nav__logo-sub{display:block;font-family:var(--font-body);font-size:10px;font-weight:400;letter-spacing:.1em;color:var(--text-muted);margin-top:1px}
.nav__links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav__link{padding:8px 15px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-dim);transition:var(--t)}
.nav__link:hover{color:var(--white);background:rgba(255,255,255,.06)}
.nav__contacts{display:flex;flex-direction:column;align-items:flex-end;gap:2px;margin-left:12px;flex-shrink:0}
.nav__phone{font-family:var(--font-head);font-size:15px;font-weight:700;color:var(--white);letter-spacing:.02em}
.nav__worktime{font-size:11px;color:var(--text-muted)}
.nav__cta{margin-left:12px;flex-shrink:0}
.nav__burger{display:none;width:38px;height:38px;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--border);color:var(--ice);margin-left:auto;z-index:1001}
.nav__mobile{display:none;position:fixed;inset:0;z-index:1100;background:rgba(11,15,26,.98);backdrop-filter:blur(24px);flex-direction:column;align-items:center;justify-content:center;gap:8px}
.nav__mobile.open{display:flex}
.nav__mobile-close{position:absolute;top:24px;right:24px;font-size:26px;color:var(--ice);padding:8px}
.nav__mobile-link{font-family:var(--font-head);font-size:24px;font-weight:700;color:var(--text);padding:10px 24px;border-radius:10px;transition:var(--t);width:100%;max-width:280px;text-align:center}
.nav__mobile-link:hover{color:var(--white);background:var(--ice-dim)}
.nav__mobile-phone{font-family:var(--font-head);font-size:22px;font-weight:800;color:var(--ice);margin-top:16px}

/* ── HERO ──────────────────────────────────────────── */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px var(--px) 80px;overflow-x:hidden;overflow-y:visible}
.hero__bg{position:absolute;inset:0;background:radial-gradient(ellipse 70% 80% at 60% 40%,rgba(0,180,216,.08) 0%,transparent 65%),radial-gradient(ellipse 40% 60% at 10% 80%,rgba(0,180,216,.05) 0%,transparent 60%);pointer-events:none}
.hero__inner{max-width:var(--max-w);margin:0 auto;width:100%;display:grid;grid-template-columns:1fr 440px;gap:64px;align-items:center;position:relative;z-index:1}
.hero__badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:var(--ice-dim);border:1px solid var(--ice-border);font-size:12px;font-weight:600;color:var(--ice-light);letter-spacing:.04em;margin-bottom:28px}
.hero__badge-dot{width:6px;height:6px;border-radius:50%;background:var(--ice);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero__title{font-family:var(--font-head);font-size:clamp(2.8rem,5.5vw,4.8rem);font-weight:800;line-height:1.05;color:var(--white);margin-bottom:22px}
.hero__title em{font-style:normal;background:linear-gradient(135deg,var(--ice),var(--ice-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero__sub{font-size:18px;color:var(--text-dim);line-height:1.7;max-width:500px;margin-bottom:40px}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:48px}
.hero__tags{display:flex;flex-wrap:wrap;gap:8px}

.hero__card{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px;backdrop-filter:blur(16px);position:relative;overflow:hidden}
.hero__card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--ice),transparent)}
.hero__stats{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:32px}
.hero__stat-num{font-family:var(--font-head);font-size:2.8rem;font-weight:800;background:linear-gradient(135deg,var(--ice),var(--ice-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}
.hero__stat-lbl{font-size:12px;color:var(--text-muted);margin-top:4px;line-height:1.4}
.hero__card-ttl{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ice);margin-bottom:14px}
.hero__card-tags{display:flex;flex-wrap:wrap;gap:6px}

.marquee-strip{background:linear-gradient(135deg,var(--ice),var(--ice-light));padding:14px 0;overflow:hidden;white-space:nowrap}
.marquee-inner{display:inline-flex;animation:marquee 28s linear infinite}
.marquee-item{display:inline-flex;align-items:center;gap:12px;font-family:var(--font-head);font-size:14px;font-weight:700;color:var(--night);padding:0 32px;letter-spacing:.04em}
.marquee-item i{font-size:12px;opacity:.6}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── WHY ───────────────────────────────────────────── */
.why{background:var(--night-2)}
.why__grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.why__problem-list{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.why__problem{display:flex;align-items:flex-start;gap:14px;padding:18px 20px;border-radius:var(--radius);background:rgba(255,80,80,.05);border:1px solid rgba(255,80,80,.1)}
.why__problem-icon{color:#fc8181;font-size:17px;flex-shrink:0;margin-top:2px}
.why__problem strong{display:block;color:var(--white);font-size:14px;margin-bottom:2px}
.why__problem span{font-size:13px;color:var(--text-muted)}
.why__advantages{display:flex;flex-direction:column;gap:16px}
.why__adv{display:flex;align-items:flex-start;gap:18px;padding:22px;border-radius:var(--radius-lg);background:var(--card-bg);border:1px solid var(--border);transition:var(--t)}
.why__adv:hover{background:var(--card-hover);border-color:var(--border-hover)}
.why__adv-icon{width:46px;height:46px;border-radius:10px;background:var(--ice-dim);border:1px solid var(--ice-border);display:flex;align-items:center;justify-content:center;color:var(--ice);font-size:18px;flex-shrink:0}
.why__adv-title{font-weight:700;font-size:15px;color:var(--white);margin-bottom:4px}
.why__adv-text{font-size:13px;color:var(--text-dim)}

/* ── SERVICES GRID ─────────────────────────────────── */
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.svc-card{position:relative;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;transition:var(--t);overflow:hidden;display:flex;flex-direction:column;cursor:pointer}
.svc-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--ice),transparent);transform:scaleX(0);transition:transform .4s var(--ease);transform-origin:center}
.svc-card:hover{transform:translateY(-5px);background:var(--card-hover);border-color:var(--border-hover)}
.svc-card:hover::after{transform:scaleX(1)}
.svc-card__price{position:absolute;top:20px;right:20px;font-size:12px;font-weight:700;color:var(--ice-light);background:var(--ice-dim);border:1px solid var(--ice-border);padding:4px 10px;border-radius:999px}
.svc-card__icon{width:52px;height:52px;border-radius:12px;background:var(--ice-dim);border:1px solid var(--ice-border);display:flex;align-items:center;justify-content:center;color:var(--ice);font-size:20px;margin-bottom:20px}
.svc-card__title{font-family:var(--font-head);font-size:1.15rem;font-weight:800;color:var(--white);margin-bottom:10px}
.svc-card__desc{font-size:14px;color:var(--text-dim);line-height:1.6;flex:1}
.svc-card__link{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:13px;font-weight:600;color:var(--ice);transition:gap .2s}
.svc-card:hover .svc-card__link{gap:11px}

/* ── PORTFOLIO ─────────────────────────────────────── */
.portfolio{background:var(--night-2)}
.portfolio__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:56px}
.port-item{position:relative;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;border:1px solid var(--border);transition:var(--t)}
.port-item:nth-child(1){grid-column:span 2;aspect-ratio:16/9}
.port-item:not(:nth-child(1)){aspect-ratio:4/3}
.port-item:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.port-item__img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.port-item:hover .port-item__img{transform:scale(1.07)}
.port-item__overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(11,15,26,.92) 0%,transparent 55%);display:flex;flex-direction:column;justify-content:flex-end;padding:20px;opacity:0;transition:opacity .3s}
.port-item:hover .port-item__overlay{opacity:1}
.port-item__name{font-family:var(--font-head);font-size:1rem;font-weight:700;color:var(--white)}
.port-item__meta{font-size:12px;color:var(--ice-light);margin-top:4px}
.port-item__badge{position:absolute;top:12px;right:12px;background:var(--ice-dim);backdrop-filter:blur(8px);border:1px solid var(--ice-border);border-radius:999px;padding:4px 12px;font-size:11px;color:var(--ice-light)}

.lightbox{display:none;position:fixed;inset:0;z-index:2000;background:rgba(5,8,18,.96);backdrop-filter:blur(20px);align-items:center;justify-content:center}
.lightbox.active{display:flex}
.lightbox__inner{position:relative;max-width:900px;width:90%}
.lightbox__img{width:100%;border-radius:var(--radius-lg);border:1px solid var(--border)}
.lightbox__close{position:absolute;top:-44px;right:0;color:var(--text-dim);font-size:26px;transition:color .2s}
.lightbox__close:hover{color:var(--ice)}
.lightbox__cap{margin-top:14px;text-align:center;font-family:var(--font-head);font-size:1rem;font-weight:700;color:var(--white)}
.lightbox__sub{font-size:12px;color:var(--text-muted);text-align:center;margin-top:4px}

/* ── PROCESS ───────────────────────────────────────── */
.process__steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;position:relative}
.process__steps::before{content:'';position:absolute;top:34px;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,var(--ice-border),var(--ice),var(--ice-border),transparent)}
.process__step{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 22px;text-align:center;transition:var(--t)}
.process__step:hover{border-color:var(--border-hover);background:var(--card-hover)}
.process__num{width:52px;height:52px;border-radius:50%;background:var(--ice-dim);border:1.5px solid var(--ice-border);display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-size:1.3rem;font-weight:800;color:var(--ice);margin:0 auto 18px}
.process__step-title{font-family:var(--font-head);font-size:1rem;font-weight:700;color:var(--white);margin-bottom:8px}
.process__step-text{font-size:13px;color:var(--text-dim);line-height:1.55}

/* ── REVIEWS ───────────────────────────────────────── */
.reviews{background:var(--night-2)}
.reviews__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:56px}
.review-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;transition:var(--t);position:relative}
.review-card:hover{border-color:var(--border-hover)}
.review-card::before{content:'\201C';position:absolute;top:16px;right:22px;font-family:Georgia,serif;font-size:5rem;line-height:1;color:rgba(0,180,216,.12)}
.review-card__stars{color:var(--ice);font-size:13px;letter-spacing:3px;margin-bottom:14px}
.review-card__text{font-size:15px;color:var(--text);line-height:1.75;margin-bottom:20px;font-style:italic}
.review-card__author{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--border)}
.review-card__ava{width:42px;height:42px;border-radius:50%;background:var(--ice-dim);border:1px solid var(--ice-border);display:flex;align-items:center;justify-content:center;color:var(--ice);font-size:17px;flex-shrink:0}
.review-card__name{font-weight:700;color:var(--white);font-size:14px}
.review-card__role{font-size:12px;color:var(--text-muted);margin-top:2px}

/* ── FAQ ───────────────────────────────────────────── */
.faq__list{max-width:820px;margin:56px auto 0;display:flex;flex-direction:column;gap:10px}
.faq__item{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .2s}
.faq__item.open{border-color:var(--border-hover)}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:15px;font-weight:600;color:var(--white);text-align:left;transition:var(--t)}
.faq__q:hover{color:var(--ice-light)}
.faq__icon{color:var(--ice);font-size:13px;transition:transform .3s;flex-shrink:0}
.faq__item.open .faq__icon{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq__a-inner{padding:0 24px 20px;font-size:14px;color:var(--text-dim);line-height:1.7}

/* ── GUIDE CALC ────────────────────────────────────── */
.calc-widget{background:var(--night-3);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;margin-top:48px}
.calc-widget__title{font-family:var(--font-head);font-size:1.5rem;font-weight:800;color:var(--white);margin-bottom:8px}
.calc-widget__sub{font-size:14px;color:var(--text-dim);margin-bottom:32px}
.calc-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:28px}
.calc-field label{display:block;font-size:12px;font-weight:600;color:var(--ice);letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px}
.calc-field select,.calc-field input{width:100%;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:13px 16px;color:var(--white);font-family:var(--font-body);font-size:14px;transition:var(--t);appearance:none}
.calc-field select:focus,.calc-field input:focus{outline:none;border-color:var(--ice);box-shadow:0 0 0 3px rgba(0,180,216,.12)}
.calc-result{display:none;padding:24px;background:var(--ice-dim);border:1px solid var(--ice-border);border-radius:var(--radius-lg)}
.calc-result.show{display:block}
.calc-result__title{font-family:var(--font-head);font-size:1.2rem;font-weight:800;color:var(--white);margin-bottom:12px}
.calc-result__items{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.calc-result__item{background:rgba(255,255,255,.06);border-radius:var(--radius);padding:16px}
.calc-result__label{font-size:11px;color:var(--ice-light);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.calc-result__value{font-family:var(--font-head);font-size:1.15rem;font-weight:800;color:var(--white)}

/* ── CATALOG ───────────────────────────────────────── */
.catalog-page{padding:120px 0 80px}
.catalog-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;margin-top:40px}
.catalog-filters{position:sticky;top:96px;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;height:fit-content}
.catalog-filters__title{font-family:var(--font-head);font-size:14px;font-weight:800;color:var(--white);letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--border)}

/* ── FILTER FIELDS (исправления) ──────────────────── */
/* Все select и поля ввода – тёмный фон, белый текст */
select,
select option,
.form__select,
.form__select option,
.filter-group select,
.filter-group select option,
.calc-field select,
.calc-field select option,
.catalog-filters select,
.catalog-filters select option {
  background-color: #1a2236 !important;
  color: #e2e8f0 !important;
  border-color: rgba(255,255,255,0.08);
}
select:focus,
.form__select:focus,
.filter-group select:focus,
.calc-field select:focus {
  outline: none;
  border-color: var(--ice);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.12);
}
select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300b4d8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px !important;
}

/* Числовые поля */
.filter-group input[type="number"] {
  background: #1a2236;
  color: #e2e8f0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
  width: 100%;
  -moz-appearance: textfield;
}
.filter-group input[type="number"]::-webkit-outer-spin-button,
.filter-group input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.price-input {
  background: #1a2236;
  color: #e2e8f0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
  width: 80px;
}

/* Остальные компоненты фильтров */
.filter-group{margin-bottom:24px}
.filter-group__label{font-size:11px;font-weight:700;color:var(--ice);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.filter-group select,.filter-group input{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:var(--white);font-family:var(--font-body);font-size:13px;transition:var(--t)}
.filter-group select:focus,.filter-group input:focus{outline:none;border-color:var(--ice)}
.filter-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);cursor:pointer;padding:4px 0}
.filter-check input[type=checkbox]{accent-color:var(--ice);width:15px;height:15px}

/* ── CARDS ────────────────────────────────────────── */
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{position:relative;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:transform .5s cubic-bezier(.25,.1,.25,1),border-color .5s cubic-bezier(.25,.1,.25,1),box-shadow .5s cubic-bezier(.25,.1,.25,1);display:flex;flex-direction:column}
.product-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.product-card__img{aspect-ratio:1/1;overflow:hidden;background:#ffffff;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:3rem}
.product-card__img img{width:100%;height:100%;object-fit:contain;transition:transform .5s cubic-bezier(.25,.1,.25,1)}
.product-card:hover .product-card__img img{transform:scale(1.08)}
.product-card__badge{position:absolute;top:10px;left:10px;background:rgba(0,180,216,.15);border:1px solid var(--ice-border);border-radius:999px;padding:3px 10px;font-size:10px;color:var(--ice-light);font-weight:600}
.product-card__body{padding:18px 18px 20px;flex:1;display:flex;flex-direction:column}
.product-card__brand{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ice);margin-bottom:6px}
.product-card__name{font-family:var(--font-head);font-size:.95rem;font-weight:700;color:var(--white);margin-bottom:10px;line-height:1.3;flex:1}
.product-card__price{font-family:var(--font-head);font-size:1.25rem;font-weight:800;color:var(--white);margin-bottom:14px}
.product-card__price span{font-size:.9rem;font-weight:400;color:var(--text-muted)}
.product-card__stock{font-size:11px;margin-bottom:14px}
.product-card__stock.in{color:#68d391}.product-card__stock.out{color:#fc8181}
.catalog-empty{grid-column:1/-1;text-align:center;padding:60px;color:var(--text-muted)}
.catalog-empty i{font-size:3rem;color:var(--ice);opacity:.3;margin-bottom:16px}
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:8px;font-size:14px;font-weight:600;border:1px solid var(--border);color:var(--text-dim);transition:var(--t)}
.pagination a:hover{border-color:var(--ice);color:var(--ice);background:var(--ice-dim)}
.pagination .active{background:var(--ice);border-color:var(--ice);color:var(--night)}
.catalog-meta{font-size:13px;color:var(--text-muted);margin-bottom:20px}
.catalog-no-sync{background:rgba(252,129,74,.08);border:1px solid rgba(252,129,74,.2);border-radius:var(--radius);padding:16px 20px;font-size:14px;color:rgba(252,200,150,1);margin-bottom:28px;display:flex;align-items:center;gap:10px}

/* ── PRODUCT PAGE ──────────────────────────────────── */
.product-page{padding:120px 0 80px}
.product-layout{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start}
.product-gallery{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden}
.product-gallery__main {
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
}
.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.product-gallery__placeholder{font-size:5rem;color:#94a3b8;opacity:.5}
.product-thumbs{display:flex;gap:8px;padding:12px;flex-wrap:wrap}
.product-thumb{width:64px;height:64px;border-radius:8px;border:1px solid var(--border);overflow:hidden;cursor:pointer;flex-shrink:0;transition:var(--t);background:#ffffff}
.product-thumb:hover,.product-thumb.active{border-color:var(--ice)}
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 2px;
}
.product-info__brand{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ice);margin-bottom:10px}
.product-info__title{font-family:var(--font-head);font-size:clamp(1.4rem,3vw,2rem);font-weight:800;color:var(--white);margin-bottom:16px;line-height:1.2}
.product-info__sku{font-size:12px;color:var(--text-muted);margin-bottom:20px}
.product-info__price{font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--white);margin-bottom:8px}
.product-info__price-sub{font-size:13px;color:var(--text-muted);margin-bottom:24px}
.product-info__stock{display:inline-flex;align-items:center;gap:6px;font-size:13px;margin-bottom:28px;padding:6px 14px;border-radius:999px}
.product-info__stock.in{background:rgba(104,211,145,.1);border:1px solid rgba(104,211,145,.2);color:#68d391}
.product-info__stock.out{background:rgba(252,129,129,.1);border:1px solid rgba(252,129,129,.2);color:#fc8181}
.product-info__btns{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}

/* ── SPECS TABLE ───────────────────────────────────── */
.specs-table{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-top:8px}
.specs-row{display:grid;grid-template-columns:1fr 1fr;padding:10px 16px;border-bottom:1px solid var(--border);font-size:13px;gap:12px}
.specs-row:last-child{border-bottom:none}
.specs-row:nth-child(even){background:rgba(255,255,255,0.02)}
.specs-key{color:var(--text-muted)}
.specs-val{color:var(--white);font-weight:500;word-break:break-word}

/* ── CONTACT FORM ──────────────────────────────────── */
.contact{background:var(--night-2)}
.contact__inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.contact__perks{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.contact__perk{display:flex;align-items:flex-start;gap:14px}
.contact__perk-icon{width:40px;height:40px;border-radius:10px;flex-shrink:0;background:var(--ice-dim);border:1px solid var(--ice-border);display:flex;align-items:center;justify-content:center;color:var(--ice);font-size:16px}
.contact__perk-title{font-weight:700;color:var(--white);font-size:14px}
.contact__perk-text{font-size:12px;color:var(--text-muted);margin-top:2px}

.form{display:flex;flex-direction:column;gap:14px}
.form__group{display:flex;flex-direction:column;gap:5px}
.form__label{font-size:12px;font-weight:600;color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase}
.form__input,.form__textarea,.form__select{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:var(--radius);padding:13px 17px;color:var(--white);font-family:var(--font-body);font-size:14px;transition:var(--t);width:100%}
.form__input::placeholder,.form__textarea::placeholder{color:var(--text-muted)}
.form__input:focus,.form__textarea:focus,.form__select:focus{outline:none;border-color:var(--ice);background:rgba(0,180,216,.04);box-shadow:0 0 0 3px rgba(0,180,216,.1)}
.form__textarea{resize:vertical;min-height:96px}
.form__note{font-size:12px;color:var(--text-muted)}
.form__note a{color:var(--ice);text-decoration:underline;text-decoration-color:transparent;transition:text-decoration-color .2s}
.form__note a:hover{text-decoration-color:var(--ice)}

/* Consent checkbox */
.consent-wrap{display:flex;align-items:flex-start;gap:10px;padding:12px 0 4px}
.consent-wrap input[type=checkbox]{width:18px;height:18px;flex-shrink:0;margin-top:2px;accent-color:var(--ice);cursor:pointer}
.consent-wrap label{font-size:12px;color:var(--text-muted);line-height:1.5;cursor:pointer}
.consent-wrap label a{color:var(--ice)}

/* ── FOOTER ────────────────────────────────────────── */
.footer{border-top:1px solid var(--border);padding:60px var(--px) 32px;background:var(--night)}
.footer__inner{max-width:var(--max-w);margin:0 auto}
.footer__top{display:grid;grid-template-columns:280px 1fr 1fr 200px;gap:48px;margin-bottom:48px}
.footer__desc{font-size:13px;color:var(--text-muted);margin-top:14px;line-height:1.65}
.footer__req{font-size:11px;color:var(--text-muted);margin-top:14px;line-height:1.9}
.footer__col-title{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ice);margin-bottom:14px}
.footer__links{display:flex;flex-direction:column;gap:9px}
.footer__link{font-size:13px;color:var(--text-dim);transition:color .2s}
.footer__link:hover{color:var(--ice-light)}
.footer__phone{display:block;font-family:var(--font-head);font-size:16px;font-weight:700;color:var(--white);margin-bottom:6px}
.footer__addr{font-size:13px;color:var(--text-muted);margin-top:6px;line-height:1.5}
.footer__bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted);flex-wrap:wrap;gap:10px}
.footer__bottom-link{color:var(--text-muted);transition:color .2s}
.footer__bottom-link:hover{color:var(--ice-light)}

/* ── SERVICE PAGE ──────────────────────────────────── */
.service-page{padding:120px 0 80px}
.service-page__header{padding-bottom:40px;border-bottom:1px solid var(--border);margin-bottom:40px}
.service-page__title{font-family:var(--font-head);font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800;color:var(--white);margin-bottom:14px}
.service-page__desc{font-size:18px;color:var(--text-dim);max-width:620px}
.service-page__pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.service-page__pill{padding:8px 18px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--text-dim);transition:var(--t)}
.service-page__pill:hover,.service-page__pill.active{border-color:var(--ice);color:var(--ice-light);background:var(--ice-dim)}
.service-page__body{display:grid;grid-template-columns:1fr 340px;gap:48px}
.service-page__content{font-size:15px;color:var(--text-dim);line-height:1.8}
.service-page__content h3{font-family:var(--font-head);font-size:1.3rem;font-weight:800;color:var(--white);margin:28px 0 12px}
.service-page__content p{margin-bottom:14px}
.service-page__content ul,.service-page__content ol{padding-left:18px;margin-bottom:14px;display:flex;flex-direction:column;gap:7px}
.service-page__content li::marker{color:var(--ice)}
.service-page__sidebar{position:sticky;top:96px}
.service-keys{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;margin-bottom:16px}
.service-keys__title{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ice);margin-bottom:14px}
.service-key{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-dim);margin-bottom:11px}
.service-key i{color:var(--ice);font-size:11px}
.service-form{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px}
.service-form__title{font-family:var(--font-head);font-size:1.2rem;font-weight:800;color:var(--white);margin-bottom:4px}
.service-form__sub{font-size:12px;color:var(--text-muted);margin-bottom:18px}

.guarantee-block{background:linear-gradient(135deg,rgba(0,180,216,.06),rgba(0,180,216,.02));border:1px solid var(--ice-border);border-radius:var(--radius-lg);padding:30px;margin:36px 0}
.guarantee-block__title{font-family:var(--font-head);font-size:1.2rem;font-weight:800;color:var(--white);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.guarantee-block__title i{color:var(--ice)}
.guarantee-items{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.g-item{text-align:center}
.g-item__icon{font-size:1.8rem;color:var(--ice);margin-bottom:8px}
.g-item__title{font-weight:700;color:var(--white);font-size:14px;margin-bottom:3px}
.g-item__text{font-size:12px;color:var(--text-muted)}

/* ── MODAL ─────────────────────────────────────────── */
.modal{display:none;position:fixed;inset:0;z-index:2000;background:rgba(3,7,18,.88);backdrop-filter:blur(16px);align-items:center;justify-content:center}
.modal.active{display:flex}
.modal__box{background:var(--night-2);border:1px solid var(--border);border-radius:var(--radius-xl);padding:48px 40px;max-width:440px;width:90%;text-align:center}
.modal__icon{font-size:3rem;color:var(--ice);margin-bottom:14px}
.modal__title{font-family:var(--font-head);font-size:1.8rem;font-weight:800;color:var(--white);margin-bottom:10px}
.modal__text{font-size:14px;color:var(--text-dim);line-height:1.65}

/* ── COOKIE ────────────────────────────────────────── */
.cookie{position:fixed;bottom:20px;left:20px;right:20px;z-index:1500;max-width:640px;margin:0 auto;background:rgba(17,24,39,.97);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 22px;display:flex;align-items:center;gap:18px;transform:translateY(120px);opacity:0;transition:all .5s var(--ease)}
.cookie.show{transform:translateY(0);opacity:1}
.cookie__text{font-size:12px;color:var(--text-dim);flex:1}
.cookie__text a{color:var(--ice)}
.cookie__btn{padding:9px 20px;border-radius:8px;font-size:12px;font-weight:700;background:linear-gradient(135deg,var(--ice),var(--ice-light));color:var(--night);white-space:nowrap;flex-shrink:0}

/* ── FLOAT CALL ────────────────────────────────────── */
.float-call{display:none;position:fixed;bottom:24px;right:20px;z-index:1050;width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--ice),var(--ice-light));color:var(--night);font-size:20px;align-items:center;justify-content:center;box-shadow:0 6px 24px var(--ice-glow);animation:pulse-ice 2s infinite}
@keyframes pulse-ice{0%,100%{box-shadow:0 6px 24px var(--ice-glow)}50%{box-shadow:0 6px 36px rgba(0,180,216,.55)}}

/* ── GUIDE PAGE ────────────────────────────────────── */
.guide-page{padding:120px 0 80px}
.guide-page h1{font-family:var(--font-head);font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--white);margin-bottom:16px}
.guide-content{max-width:860px}
.guide-content h2{font-family:var(--font-head);font-size:1.5rem;font-weight:800;color:var(--white);margin:40px 0 14px;display:flex;align-items:center;gap:10px}
.guide-content h2 i{color:var(--ice);font-size:1.1rem}
.guide-content h3{font-family:var(--font-head);font-size:1.1rem;font-weight:700;color:var(--ice-light);margin:24px 0 10px}
.guide-content p{font-size:15px;color:var(--text-dim);line-height:1.8;margin-bottom:14px}
.guide-content ul,.guide-content ol{padding-left:20px;margin-bottom:16px;display:flex;flex-direction:column;gap:8px}
.guide-content li{font-size:15px;color:var(--text-dim);line-height:1.65}
.guide-content li::marker{color:var(--ice)}
.guide-content strong{color:var(--white)}
.guide-table{width:100%;border-collapse:collapse;margin:20px 0;border-radius:var(--radius-lg);overflow:hidden}
.guide-table th{background:var(--ice-dim);color:var(--ice-light);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:12px 16px;text-align:left;border-bottom:1px solid var(--ice-border)}
.guide-table td{padding:11px 16px;font-size:14px;color:var(--text-dim);border-bottom:1px solid var(--border)}
.guide-table tr:last-child td{border-bottom:none}
.guide-table tr:nth-child(even) td{background:rgba(255,255,255,.02)}
/* Guide responsive */
@media(max-width:768px){
  .guide-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .guide-table thead,.guide-table tbody,.guide-table tr,.guide-table th,.guide-table td{white-space:nowrap}
  .calc-fields{grid-template-columns:repeat(2,1fr);gap:14px}
  .calc-widget{padding:28px 20px}
  .guide-content{overflow-x:hidden}
  .guide-content h2{font-size:1.25rem}
  .guide-content p,.guide-content li{font-size:14px}
}
@media(max-width:480px){
  .calc-fields{grid-template-columns:1fr}
  .guide-table th,.guide-table td{padding:10px 12px;font-size:12px}
  .calc-widget{padding:20px 16px}
  .calc-field select,.calc-field input{padding:11px 14px;font-size:13px}
  .guide-page{padding:100px 0 60px}
}
.guide-tip{background:var(--ice-dim);border:1px solid var(--ice-border);border-radius:var(--radius);padding:16px 20px;margin:20px 0;display:flex;align-items:flex-start;gap:12px}
.guide-tip i{color:var(--ice);font-size:18px;flex-shrink:0;margin-top:2px}
.guide-tip p{font-size:14px;color:var(--text);margin:0}

/* ── POPULAR SECTION (index) ───────────────────────── */
.popular-section{padding:80px 0;background:var(--night-2)}
.popular-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}

/* ── CALC MINI (guide) ─────────────────────────────── */
.calc-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.guide-teaser-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}

/* ── GUIDE SUGGEST ─────────────────────────────────── */
.guide-suggest{margin-top:24px}
.guide-suggest__title{font-family:var(--font-head);font-size:1.1rem;font-weight:800;color:var(--white);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.guide-suggest__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.guide-suggest-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;text-decoration:none;transition:transform .5s cubic-bezier(.25,.1,.25,1),border-color .5s cubic-bezier(.25,.1,.25,1);display:flex;flex-direction:column}
.guide-suggest-card:hover{border-color:var(--border-hover);transform:translateY(-3px)}
.guide-suggest-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.guide-suggest-card__img{height:200px;background:#ffffff;display:flex;align-items:center;justify-content:center;overflow:hidden}
.guide-suggest-card__img i{font-size:2.5rem;color:#94a3b8;opacity:.6}
.guide-suggest-card__body{padding:12px 14px 14px;flex:1;display:flex;flex-direction:column}
.guide-suggest-card__brand{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ice);margin-bottom:4px}
.guide-suggest-card__name{font-size:13px;font-weight:600;color:var(--white);line-height:1.3;margin-bottom:8px;flex:1}
.guide-suggest-card__price{font-family:var(--font-head);font-size:1.1rem;font-weight:800;color:var(--white)}
.guide-suggest-card__kw{font-size:11px;color:var(--ice-light);margin-top:4px}

/* ── 404 ───────────────────────────────────────────── */
.page-404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px var(--px)}
.page-404__num{font-family:var(--font-head);font-size:clamp(6rem,20vw,14rem);font-weight:800;line-height:1;background:linear-gradient(135deg,var(--ice),var(--ice-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-404__title{font-family:var(--font-head);font-size:1.8rem;font-weight:800;color:var(--white);margin-bottom:12px}
.page-404__text{font-size:15px;color:var(--text-dim);max-width:380px;margin:0 auto 28px}

/* ── PRIVACY ───────────────────────────────────────── */
.privacy-page{padding:120px 0 80px;max-width:800px;margin:0 auto}
.privacy-page h1{font-family:var(--font-head);font-size:2.2rem;font-weight:800;color:var(--white);margin-bottom:28px}
.privacy-page h2{font-family:var(--font-head);font-size:1.2rem;font-weight:700;color:var(--white);margin:28px 0 10px}
.privacy-page p,.privacy-page li{font-size:14px;color:var(--text-dim);line-height:1.8;margin-bottom:10px}
.privacy-page ul{padding-left:18px}
.privacy-page li::marker{color:var(--ice)}
.privacy-page a{color:var(--ice)}

/* ── AOS OVERFLOW FIX ─────────────────────────────── */
/* Блокировка горизонтальной прокрутки при анимациях AOS */
.section,.hero,.popular-section{overflow-x:hidden}
/* Для .container НЕ ставим overflow-x:hidden — 
   портфолио на мобильных требует overflow-x:auto */

/* ── RESPONSIVE ────────────────────────────────────── */
@media(max-width:1100px){
  .hero__inner{grid-template-columns:1fr;justify-items:center;text-align:center}
  .hero__sub{max-width:100%}
  .hero__btns{justify-content:center}
  .hero__tags{justify-content:center}
  .hero__card{max-width:480px}
  .hero{padding:100px var(--px) 60px;min-height:auto}
  .footer__top{grid-template-columns:1fr 1fr;gap:32px}
  .product-layout{grid-template-columns:1fr}
  /* Сетки: 4 → 3 */
  .popular-grid{grid-template-columns:repeat(3,1fr)}
  .guide-suggest__grid{grid-template-columns:repeat(3,1fr)}
  /* Nav: ужимаем до бургера */
  .nav__inner{gap:12px}
  .nav__link{padding:6px 12px;font-size:13px}
  .nav__cta .btn{padding:10px 20px;font-size:13px}
  .nav__contacts{margin-left:6px}
  .nav__cta{margin-left:6px}
}
@media(max-width:1024px){
  /* Дополнительно ужимаем nav перед бургером */
  .nav__inner{gap:8px}
  .nav__link{padding:6px 10px;font-size:12px}
  .nav__phone{font-size:14px}
  .nav__worktime{font-size:10px}
  .nav__cta .btn{padding:8px 16px;font-size:12px}
}

@media(max-width:768px){
  .catalog-grid{grid-template-columns:repeat(2,1fr)}
  .popular-grid{grid-template-columns:repeat(2,1fr)}
  .guide-suggest__grid{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr;text-align:center}
  .footer__top .nav__logo{justify-content:center}
  .footer__bottom{flex-direction:column;text-align:center}
}
@media(max-width:900px){
  .nav__links,.nav__contacts,.nav__cta{display:none}
  .nav__burger{display:flex}
  .why__grid{grid-template-columns:1fr;gap:40px}
  .services__grid{grid-template-columns:repeat(2,1fr)}
  .portfolio__grid{grid-template-columns:repeat(2,1fr)}
  .port-item:nth-child(1){grid-column:span 2}
  .process__steps{grid-template-columns:repeat(2,1fr);gap:16px}
  .process__steps::before{display:none}
  .contact__inner{grid-template-columns:1fr;gap:40px}
  .service-page__body{grid-template-columns:1fr}
  .service-page__sidebar{position:static}
  .guarantee-items{grid-template-columns:1fr}
  .catalog-filters{grid-template-columns:repeat(2,1fr)}
  .guide-layout{grid-template-columns:1fr}
  .guide-sidebar{position:static;order:-1}
  .guide-teaser{grid-template-columns:1fr;gap:32px}
  /* Плавающая кнопка звонка */
  .float-call{display:flex}
}

@media(max-width:754px){
  .calc-fields{grid-template-columns:1fr}
  .calc-result__items{grid-template-columns:1fr}
}

@media(max-width:580px){
  .reviews__grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .section{padding:64px 0}
  .services__grid{grid-template-columns:1fr}
  /* Портфолио — горизонтальная галерея */
  .portfolio__grid{display:flex;flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;gap:14px;padding-bottom:8px}
  .port-item{flex:0 0 280px;scroll-snap-align:start}
  .port-item:nth-child(1){grid-column:auto}
  /* Фильтры каталога — 2 колонки */
  .catalog-filters{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr}
  .hero__btns{flex-direction:column}
  .hero__btns .btn{justify-content:center;width:100%}
  .cookie{flex-direction:column}
  .popular-grid{grid-template-columns:repeat(2,1fr)}
  .guide-suggest__grid{grid-template-columns:repeat(2,1fr)}
  .calc-mini-grid{grid-template-columns:1fr}
  .guide-teaser-grid{grid-template-columns:1fr;gap:32px}
}
@media(max-width:480px){
  .catalog-filters{grid-template-columns:1fr}
  .catalog-grid{grid-template-columns:1fr}
  .hero__title{font-size:clamp(2rem,8vw,3rem)}
  .hero__sub{font-size:15px}
  .hero__card{padding:24px}
  .hero__stats{grid-template-columns:1fr 1fr;gap:16px}
  .hero__stat-num{font-size:2rem}
  .section-title{font-size:clamp(1.5rem,6vw,2rem)}
  .product-layout{grid-template-columns:1fr;gap:24px}
  .product-page{padding:100px 0 60px}
  .popular-grid{grid-template-columns:1fr}
  .guide-suggest__grid{grid-template-columns:1fr}
}

@media(max-width:400px){
  .guide-suggest__grid{grid-template-columns:1fr}
}
/* Сетка характеристик вместо таблицы */
.specs-grid {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr; /* две равные колонки */
  gap: 0;
}
.specs-grid .specs-row {
  display: contents; /* вытягиваем строку в грид */
  border-bottom: 1px solid var(--border);
}
/* Каждая ячейка занимает одну колонку */
.specs-grid .specs-row .specs-key,
.specs-grid .specs-row .specs-val {
  padding: 10px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.specs-grid .specs-row:last-of-type .specs-key,
.specs-grid .specs-row:last-of-type .specs-val {
  border-bottom: none;
}
/* Чередование фона для целых строк (через общий родитель) — оставим через nth-child на родителе, но проще так: */
.specs-grid > .specs-row:nth-child(odd) .specs-key,
.specs-grid > .specs-row:nth-child(odd) .specs-val {
  background: rgba(255,255,255,0.02);
}
/* Мобильная адаптация: одна колонка */
@media (max-width: 600px) {
  .specs-grid {
    grid-template-columns: 1fr;
  }
  .specs-grid .specs-row {
    display: flex;
    flex-direction: column;
  }
  .specs-grid .specs-row .specs-key {
    padding-bottom: 0;
  }
  .specs-grid .specs-row .specs-val {
    padding-top: 0;
  }
}

/* ═══ PRODUCT PERKS ═══ */
.product-perks{display:flex;flex-direction:column;gap:6px;margin:14px 0 18px}
.product-perk{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-dim);padding:7px 0}
.product-perk i{font-size:15px;width:18px;text-align:center;flex-shrink:0}

/* ═══ GUIDE PAGE BALANCE ═══ */
.guide-layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
.guide-sidebar{position:sticky;top:100px}
.guide-sidebar__sticky{display:flex;flex-direction:column;gap:16px}
.guide-sidebar__box{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}
.guide-sidebar__title{font-family:var(--font-head);font-size:1rem;font-weight:800;color:var(--white);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.guide-sidebar__title i{color:var(--ice);font-size:14px;width:18px;text-align:center}
.guide-sidebar__nav{display:flex;flex-direction:column;gap:4px}
.guide-sidebar__nav a{font-size:13px;color:var(--text-dim);text-decoration:none;padding:6px 0;transition:color .2s;display:block}
.guide-sidebar__nav a:hover{color:var(--ice)}
@media(max-width:900px){.guide-layout{grid-template-columns:1fr}.guide-sidebar{position:static;order:-1}}

/* ═══ GUIDE SUGGEST (4 items, responsive) ═══ */
@media(max-width:500px){.guide-suggest__grid{grid-template-columns:1fr}}

/* ═══ GUIDE TEASER (main page) ═══ */
.guide-teaser{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.guide-teaser__calc{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-xl);padding:32px}
@media(max-width:754px){.guide-teaser{grid-template-columns:1fr}}

/* ═══ SIMILAR PRODUCTS GRID ═══ */
.similar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:1100px){.similar-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.similar-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.similar-grid{grid-template-columns:1fr}}

/* ═══ SERVICE PLACEHOLDER IMG ═══ */
.service-img{width:100%;aspect-ratio:21/9;max-height:280px;background:linear-gradient(135deg,rgba(0,180,216,.08),rgba(0,180,216,.02));border:1px solid var(--ice-border);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;margin-bottom:32px;position:relative;overflow:hidden}
.service-img::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(0,180,216,.12) 0%,transparent 60%);pointer-events:none}
.service-img::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(0,180,216,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,180,216,.03) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.service-img i{font-size:5rem;color:var(--ice);opacity:.25;position:relative;z-index:1;filter:drop-shadow(0 0 40px var(--ice-glow))}
.service-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.service-img__label{position:absolute;bottom:20px;left:24px;z-index:2;font-family:var(--font-head);font-size:13px;font-weight:700;color:var(--white);background:rgba(11,15,26,.75);backdrop-filter:blur(8px);padding:8px 16px;border-radius:8px;border:1px solid var(--ice-border)}

/* ═══ CATALOG FILTER TOGGLE (mobile) ═══ */
.catalog-filters__toggle{display:none;font-size:13px;padding:8px 18px;background:var(--ice-dim);border:1px solid var(--ice-border);border-radius:8px;color:var(--ice-light);cursor:pointer;font-weight:600;align-items:center;gap:8px;transition:var(--t);white-space:nowrap}
.catalog-filters__toggle:hover{background:rgba(0,180,216,.2);border-color:var(--ice)}
.catalog-filters.hidden .filter-group,
.catalog-filters.hidden .catalog-filters__apply,
.catalog-filters.hidden .btn,
.catalog-filters.hidden .catalog-filters__reset,
.catalog-filters.hidden .catalog-filters__toggle{display:none}
.catalog-filters.hidden .catalog-filters__title{margin-bottom:0;padding-bottom:0;border-bottom:none}
/* На мобильных — скрываем фильтры по умолчанию */
@media(max-width:900px){
  .catalog-layout{grid-template-columns:1fr}
  .catalog-filters{position:static;padding:20px}
  .catalog-filters:not(.hidden){display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:24px}
  .catalog-filters__title{display:flex;align-items:center;justify-content:space-between;grid-column:1/-1}
  .catalog-filters__toggle{display:inline-flex}
  .catalog-filters__mobile-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
  .catalog-filters__mobile-bar .btn{display:inline-flex}
}

/* Десктоп: hidden игнорируется — фильтры всегда видны */
@media(min-width:901px){
  .catalog-filters.hidden .filter-group,
  .catalog-filters.hidden .btn,
  .catalog-filters.hidden .filter-check{display:block!important}
  .catalog-filters.hidden .catalog-filters__title{margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--border)}
  .catalog-filters.hidden .catalog-filters__toggle{display:none!important}
  .catalog-filters__mobile-bar{display:none!important}
}

/* ═══ MOUNT PRICE BLOCK ═══ */
.product-info__mount{background:linear-gradient(135deg,rgba(0,180,216,.1),rgba(0,180,216,.03));border:1px solid var(--ice-border);border-radius:var(--radius);padding:10px 14px;margin:-8px 0 14px}
.product-info__mount-label{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ice);margin-bottom:2px}
.product-info__mount-price{font-family:var(--font-head);font-size:1.3rem;font-weight:800;color:var(--white)}
.product-info__mount-sub{font-size:11px;color:var(--text-muted)}