/* ============================================================
   СМАРТ ГАРАНТ · 2026 · light "ice lab" design system
   Палитра: лёд #F3F8FE · чернила #0E1C33 · импульс #1E6BFF · циан #57C8FF
   ============================================================ */

:root {
  --ice: #f3f8fe;
  --frost: #ffffff;
  --ink: #0e1c33;
  --slate: #55688a;
  --line: #dbe7f6;
  --pulse: #1e6bff;
  --pulse-deep: #0d4fd6;
  --cyan: #57c8ff;
  --tint: #e8f1fd;

  --grad: linear-gradient(120deg, var(--pulse) 10%, var(--cyan) 90%);
  --shadow-soft: 0 20px 60px -24px rgba(14, 28, 51, .18);
  --shadow-pop: 0 30px 80px -20px rgba(30, 107, 255, .35);
  --radius: 22px;

  --font-body: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-hud: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--ice);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.shell { width: min(1180px, 92vw); margin-inline: auto; }

/* мягкое северное сияние на фоне */
.aurora {
  position: fixed; inset: -20vh -20vw auto;
  height: 90vh; z-index: -1; pointer-events: none;
  background:
    radial-gradient(45% 55% at 18% 20%, rgba(87, 200, 255, .28), transparent 70%),
    radial-gradient(40% 50% at 82% 12%, rgba(30, 107, 255, .16), transparent 70%),
    radial-gradient(60% 60% at 55% 90%, rgba(255, 255, 255, .9), transparent 70%);
  filter: blur(10px);
}

/* ---------- типографика ---------- */
h1, h2, h3 { line-height: 1.12; letter-spacing: -.025em; font-weight: 800; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.18rem; letter-spacing: -.01em; }

.eyebrow {
  font-family: var(--font-hud);
  font-size: .74rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--pulse); margin-bottom: .9rem;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-sub { color: var(--slate); max-width: 56ch; margin-top: .8rem; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  border: 0; border-radius: 999px; font-weight: 700; letter-spacing: .01em;
  padding: .72rem 1.4rem; transition: transform .2s ease, box-shadow .25s ease, background .25s ease;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 28px -10px rgba(30,107,255,.55); }
.btn-primary:hover { box-shadow: var(--shadow-pop); transform: translateY(-2px); }
.btn-ghost { background: var(--frost); color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--pulse); color: var(--pulse); transform: translateY(-2px); }
.btn-lg { padding: .95rem 1.9rem; font-size: 1.02rem; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(243, 248, 254, .8);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219, 231, 246, .8);
}
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .7rem 0; }

.brand { display: flex; align-items: center; gap: .7rem; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-weight: 900; letter-spacing: .02em;
  box-shadow: 0 8px 20px -8px rgba(30,107,255,.6);
}
.brand-name { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name strong { font-size: 1.05rem; letter-spacing: -.01em; }
.brand-name small { color: var(--slate); font-size: .74rem; font-family: var(--font-hud); letter-spacing: .08em; }

.main-nav { display: flex; gap: 1.6rem; font-weight: 600; font-size: .95rem; }
.main-nav a { color: var(--slate); transition: color .2s; position: relative; }
.main-nav a:hover { color: var(--pulse); }
.main-nav .nav-phone { display: none; }

.header-cta { display: flex; align-items: center; gap: 1rem; }
.header-phone { font-family: var(--font-hud); font-weight: 700; font-size: .92rem; color: var(--ink); white-space: nowrap; }
.header-phone:hover { color: var(--pulse); }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: .4rem; }
.burger span { width: 24px; height: 2.5px; border-radius: 2px; background: var(--ink); transition: transform .25s, opacity .25s; }
.burger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 0; }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 4vw, 4rem); align-items: center;
}
.hero-sub { color: var(--slate); font-size: 1.08rem; max-width: 46ch; margin-top: 1.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.8rem; }

.hero-facts { list-style: none; display: flex; gap: 2.2rem; margin-top: 2.2rem; flex-wrap: wrap; }
.hero-facts li { display: flex; flex-direction: column; gap: .15rem; }
.hero-facts b { font-size: 1.35rem; letter-spacing: -.02em; }
.hero-facts span { color: var(--slate); font-size: .84rem; }

/* ---------- диагностический стенд (фирменный элемент) ---------- */
.stand {
  background: linear-gradient(165deg, rgba(255,255,255,.92), rgba(232,241,253,.85));
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 28px; padding: 1rem;
  box-shadow: var(--shadow-soft), inset 0 1px 0 #fff;
  backdrop-filter: blur(8px);
}

.device-switch {
  position: relative; display: grid; grid-template-columns: 1fr 1fr;
  background: var(--tint); border-radius: 999px; padding: 5px; margin-bottom: 1rem;
}
.switch-pill {
  position: absolute; top: 5px; bottom: 5px; left: 5px; width: calc(50% - 5px);
  background: var(--frost); border-radius: 999px;
  box-shadow: 0 6px 18px -6px rgba(14,28,51,.25);
  transition: transform .35s cubic-bezier(.6, 0, .2, 1.2);
}
.device-switch[data-side="console"] .switch-pill { transform: translateX(calc(100% - 5px)); }
.switch-btn {
  position: relative; z-index: 1; background: none; border: 0; padding: .65rem .5rem;
  border-radius: 999px; font-weight: 700; color: var(--slate); transition: color .25s;
}
.switch-btn.is-active { color: var(--ink); }

.stand-screen {
  position: relative; border-radius: 20px; overflow: hidden;
  aspect-ratio: 1672 / 941; background: #eef5fd;
  box-shadow: inset 0 0 0 1px rgba(219,231,246,.9);
}
.stand-frames { position: absolute; inset: 0; }
.stand-frames img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transform: scale(1.035);
  transition: opacity 1s ease, transform 1.4s cubic-bezier(.22, .8, .3, 1);
  will-change: opacity, transform;
}
.stand-frames img.is-visible { opacity: 1; transform: scale(1); }

/* скан-линия поверх анимации */
.stand-scan {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden; border-radius: 20px;
}
.stand-scan::after {
  content: ""; position: absolute; left: 0; right: 0; height: 34%;
  background: linear-gradient(180deg, transparent, rgba(87,200,255,.14) 45%, rgba(30,107,255,.18) 50%, rgba(87,200,255,.14) 55%, transparent);
  animation: scan 5.5s ease-in-out infinite;
}
@keyframes scan { 0%,100% { top: -35%; } 50% { top: 100%; } }

.stand-hud {
  position: absolute; left: 12px; right: 12px; bottom: 10px;
  display: flex; flex-direction: column; gap: .45rem;
  background: rgba(255,255,255,.78); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.9); border-radius: 14px;
  padding: .55rem .8rem;
}
.hud-stage { font-family: var(--font-hud); font-size: .76rem; letter-spacing: .14em; color: var(--ink); font-weight: 600; }
.hud-track { height: 4px; border-radius: 4px; background: var(--line); overflow: hidden; }
.hud-progress { display: block; height: 100%; width: 0; background: var(--grad); border-radius: 4px; transition: width .3s linear; }

.stand-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; margin-top: 1rem; }
.step {
  display: flex; flex-direction: column; align-items: flex-start; gap: .1rem;
  background: var(--frost); border: 1px solid var(--line); border-radius: 14px;
  padding: .55rem .7rem; font-weight: 600; font-size: .82rem; color: var(--slate);
  transition: border-color .25s, color .25s, box-shadow .25s, transform .2s;
}
.step i { font-style: normal; font-family: var(--font-hud); font-size: .68rem; color: var(--cyan); letter-spacing: .1em; }
.step:hover { transform: translateY(-2px); }
.step.is-on { border-color: var(--pulse); color: var(--ink); box-shadow: 0 10px 24px -12px rgba(30,107,255,.5); }
.step.is-on i { color: var(--pulse); }

/* ---------- бегущая строка ---------- */
.ticker {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-block: 1px solid var(--line);
  background: rgba(255,255,255,.6);
  overflow: hidden; padding: .7rem 0;
}
.ticker-track {
  display: flex; gap: 2rem; width: max-content;
  font-family: var(--font-hud); font-size: .8rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--slate); white-space: nowrap;
  animation: ticker 26s linear infinite;
}
.ticker-track i { font-style: normal; color: var(--cyan); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ============================================================
   СЕКЦИИ
   ============================================================ */
.section { padding: clamp(3.2rem, 7vw, 5.5rem) 0; }
.section-alt { background: linear-gradient(180deg, #fff, var(--ice)); border-block: 1px solid rgba(219,231,246,.6); }
.section-head { max-width: 640px; margin-bottom: clamp(1.8rem, 4vw, 3rem); }

/* услуги */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.service-card {
  background: var(--frost); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.4rem; display: flex; flex-direction: column; gap: .7rem;
  transition: transform .25s ease, box-shadow .3s ease, border-color .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); border-color: rgba(30,107,255,.35); }
.service-card p { color: var(--slate); font-size: .93rem; flex: 1; }
.service-tag {
  align-self: flex-start; font-family: var(--font-hud); font-size: .68rem;
  letter-spacing: .16em; text-transform: uppercase;
  padding: .3rem .7rem; border-radius: 999px;
}
.tag-phone   { background: #e5efff; color: var(--pulse-deep); }
.tag-console { background: #e3f6ff; color: #0a7ea4; }
.tag-buy     { background: #e6fbf1; color: #0d8a55; }
.tag-sell    { background: #f1ecff; color: #6b46d6; }
.service-price { font-family: var(--font-hud); font-weight: 700; color: var(--pulse); font-size: .95rem; }

/* каталог */
.catalog-bar {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  flex-wrap: wrap; margin-bottom: 1.6rem;
}
.filter-chips { display: flex; gap: .5rem; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: var(--frost); border-radius: 999px;
  padding: .5rem 1.1rem; font-weight: 600; color: var(--slate);
  transition: all .25s;
}
.chip:hover { border-color: var(--pulse); color: var(--pulse); }
.chip.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }

.catalog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.product-card {
  background: var(--frost); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .25s, box-shadow .3s;
  animation: cardIn .4s ease both;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(14px); } }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.product-photo { aspect-ratio: 4 / 3; background: var(--tint); position: relative; }
.product-photo img { width: 100%; height: 100%; object-fit: cover; }
.product-badge {
  position: absolute; top: .7rem; left: .7rem;
  font-family: var(--font-hud); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase;
  background: rgba(255,255,255,.9); border-radius: 999px; padding: .28rem .65rem; color: var(--pulse-deep);
}
.product-remove {
  position: absolute; top: .55rem; right: .55rem; width: 30px; height: 30px;
  border: 0; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--slate);
  font-size: .8rem; line-height: 1; opacity: 0; transition: opacity .2s, color .2s;
}
.product-card:hover .product-remove { opacity: 1; }
.product-remove:hover { color: #d33; }
.product-body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.product-title { font-weight: 700; letter-spacing: -.01em; }
.product-specs { color: var(--slate); font-size: .84rem; flex: 1; }
.product-foot { display: flex; justify-content: space-between; align-items: center; margin-top: .6rem; }
.product-price { font-weight: 800; font-size: 1.12rem; letter-spacing: -.02em; }
.product-cond { font-family: var(--font-hud); font-size: .7rem; color: var(--slate); letter-spacing: .08em; }
.catalog-empty { text-align: center; color: var(--slate); padding: 2.5rem 0; }

/* скупка */
.buyback-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.buy-step {
  background: var(--frost); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.4rem; position: relative;
}
.buy-step i {
  font-style: normal; font-family: var(--font-hud); font-weight: 700;
  font-size: 2.2rem; letter-spacing: -.04em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.buy-step h3 { margin: .6rem 0 .4rem; }
.buy-step p { color: var(--slate); font-size: .93rem; }
.buyback-cta {
  margin-top: 2rem; padding: 1.6rem; border-radius: var(--radius);
  background: linear-gradient(120deg, #eaf2ff, #e6f7ff);
  border: 1px solid rgba(30,107,255,.18);
  display: flex; justify-content: space-between; align-items: center; gap: 1.2rem; flex-wrap: wrap;
}
.buyback-cta p { font-weight: 600; font-size: 1.05rem; }

/* контакты */
.contacts-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2.5rem; align-items: center; }
.contact-list { list-style: none; margin: 1.6rem 0 2rem; display: flex; flex-direction: column; gap: 1.1rem; }
.contact-list li { display: flex; flex-direction: column; gap: .15rem; }
.c-label { font-family: var(--font-hud); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--slate); }
.c-value { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
a.c-value:hover { color: var(--pulse); }
.c-phone { font-size: 1.5rem; }

.map-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .4rem;
  text-align: center; min-height: 280px; border-radius: var(--radius);
  background:
    radial-gradient(60% 60% at 50% 35%, rgba(87,200,255,.25), transparent 70%),
    linear-gradient(160deg, #fff, var(--tint));
  border: 1px solid var(--line);
  transition: transform .25s, box-shadow .3s;
}
.map-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-pop); }
.map-pin { font-size: 2.6rem; filter: drop-shadow(0 8px 12px rgba(30,107,255,.35)); }
.map-card strong { font-size: 1.1rem; }
.map-card span:last-child { color: var(--slate); font-size: .88rem; }

/* футер */
.site-footer { border-top: 1px solid var(--line); background: #fff; padding: 1.4rem 0; }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: var(--slate); font-size: .88rem; }
.footer-row a { font-weight: 700; color: var(--ink); }
.footer-row a:hover { color: var(--pulse); }

/* ============================================================
   МОДАЛКИ
   ============================================================ */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 1rem; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(14,28,51,.4); backdrop-filter: blur(6px); }
.modal-card {
  position: relative; width: min(460px, 100%); max-height: 88vh; overflow: auto;
  background: var(--frost); border-radius: 24px; padding: 1.8rem;
  box-shadow: var(--shadow-pop);
  animation: modalIn .3s cubic-bezier(.3, 1.2, .4, 1) both;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(24px) scale(.97); } }
.modal-close {
  position: absolute; top: .9rem; right: .9rem; width: 34px; height: 34px;
  border: 0; border-radius: 50%; background: var(--tint); color: var(--slate);
}
.modal-close:hover { background: var(--line); color: var(--ink); }
.modal-card h3 { margin-bottom: 1.2rem; padding-right: 2rem; }
.modal-card form { display: flex; flex-direction: column; gap: .9rem; }
.modal-card label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; font-size: .88rem; color: var(--slate); }
.modal-card input, .modal-card select, .modal-card textarea {
  font: inherit; color: var(--ink); background: var(--ice);
  border: 1px solid var(--line); border-radius: 12px; padding: .65rem .85rem;
  transition: border-color .2s, box-shadow .2s;
}
.modal-card input:focus, .modal-card select:focus, .modal-card textarea:focus {
  outline: none; border-color: var(--pulse); box-shadow: 0 0 0 3px rgba(30,107,255,.15);
}
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.form-note { font-size: .78rem; color: var(--slate); text-align: center; }
.form-success { text-align: center; display: flex; flex-direction: column; gap: 1rem; padding: .6rem 0; }

/* ============================================================
   АНИМАЦИИ ПОЯВЛЕНИЯ
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,.8,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }

:focus-visible { outline: 3px solid rgba(30,107,255,.5); outline-offset: 2px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   АДАПТИВ
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid, .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .stand { max-width: 640px; margin-inline: auto; width: 100%; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed; inset: 62px 0 auto; z-index: 49;
    flex-direction: column; gap: 0; padding: .6rem 4vw 1rem;
    background: rgba(255,255,255,.97); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-115%); transition: transform .3s cubic-bezier(.3,.9,.3,1);
  }
  .main-nav.is-open { transform: none; }
  .main-nav a { padding: .85rem 0; border-bottom: 1px solid var(--tint); font-size: 1.05rem; color: var(--ink); }
  .main-nav .nav-phone { display: block; color: var(--pulse); font-family: var(--font-hud); border-bottom: 0; }
  .header-phone { display: none; }
  .header-cta .btn { padding: .6rem 1rem; font-size: .88rem; }
  .burger { display: flex; }

  .buyback-grid, .contacts-grid { grid-template-columns: 1fr; }
  .hero-facts { gap: 1.4rem; }
  .buyback-cta { flex-direction: column; align-items: stretch; text-align: center; }
  .stand-steps { grid-template-columns: repeat(2, 1fr); }
  .stand-hud { left: 8px; right: 8px; bottom: 6px; padding: .45rem .65rem; }
  .hud-stage { font-size: .66rem; }
  .map-card { min-height: 200px; }
}

@media (max-width: 480px) {
  .services-grid, .catalog-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .form-2col { grid-template-columns: 1fr; }
  .catalog-bar { flex-direction: column; align-items: stretch; }
  .catalog-bar .btn { width: 100%; }
}

/* ============================================================
   ДОПОЛНЕНИЯ v2: калькулятор, scroll-разборка, до/после,
   отзывы, FAQ, мессенджеры, ЛК
   ============================================================ */

.header-track {
  display: inline-flex; align-items: center; gap: .4rem;
  font-weight: 600; font-size: .88rem; color: var(--slate);
  padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 999px;
  transition: color .2s, border-color .2s;
}
.header-track:hover { color: var(--pulse); border-color: var(--pulse); }

.switch-btn { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; }
.step em { font-style: normal; }
.stand-note { margin-top: .8rem; text-align: center; color: var(--slate); font-size: .84rem; }

.services-note {
  margin-top: 1.6rem; padding: 1.1rem 1.4rem; border-radius: 16px;
  background: var(--tint); border: 1px dashed rgba(30,107,255,.35);
  color: var(--slate); font-size: .95rem;
}
.service-price a { color: var(--pulse); border-bottom: 1px dotted currentColor; }
.tag-trade { background: #fff3e6; color: #b25b00; }

/* ---------- калькулятор ---------- */
.calc-card {
  background: var(--frost); border: 1px solid var(--line); border-radius: 26px;
  padding: clamp(1.2rem, 3vw, 2.2rem); box-shadow: var(--shadow-soft);
}
.calc-tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: .5rem;
  background: var(--tint); padding: 5px; border-radius: 16px; margin-bottom: 1.6rem;
}
.calc-tab {
  border: 0; background: transparent; border-radius: 12px; padding: .8rem .6rem;
  font-weight: 700; color: var(--slate); transition: all .25s;
}
.calc-tab.is-on { background: var(--frost); color: var(--ink); box-shadow: 0 6px 18px -8px rgba(14,28,51,.25); }

.calc-row { margin-bottom: 1.3rem; }
.calc-row-2 { display: grid; grid-template-columns: 1fr 1.4fr; gap: 1rem; }
.calc-label {
  display: block; font-family: var(--font-hud); font-size: .72rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--slate); margin-bottom: .55rem;
}
.calc-select {
  width: 100%; font: inherit; font-weight: 600; color: var(--ink);
  background: var(--ice); border: 1px solid var(--line); border-radius: 14px;
  padding: .8rem 1rem; cursor: pointer; transition: border-color .2s, box-shadow .2s;
}
.calc-select:focus { outline: none; border-color: var(--pulse); box-shadow: 0 0 0 3px rgba(30,107,255,.15); }

.calc-issues { display: grid; grid-template-columns: repeat(4, 1fr); gap: .6rem; }
.issue-btn {
  display: flex; flex-direction: column; gap: .15rem; text-align: left;
  background: var(--ice); border: 1px solid var(--line); border-radius: 14px;
  padding: .75rem .85rem; transition: all .2s;
}
.issue-btn b { font-size: .9rem; letter-spacing: -.01em; }
.issue-btn span { font-size: .74rem; color: var(--slate); }
.issue-btn:hover { border-color: var(--pulse); transform: translateY(-2px); }
.issue-btn.is-on { border-color: var(--pulse); background: #eef4ff; box-shadow: 0 10px 24px -14px rgba(30,107,255,.6); }

.calc-result {
  display: flex; align-items: center; justify-content: space-between; gap: 1.2rem; flex-wrap: wrap;
  margin-top: .4rem; padding: 1.2rem 1.4rem; border-radius: 18px;
  background: linear-gradient(120deg, #eaf2ff, #e6f7ff);
  border: 1px solid rgba(30,107,255,.2);
  animation: cardIn .35s ease both;
}
.calc-result-main { display: flex; flex-direction: column; gap: .1rem; }
.calc-result-label { font-family: var(--font-hud); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--slate); }
.calc-result-price { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; letter-spacing: -.02em; }
.calc-result-note { color: var(--slate); font-size: .84rem; }

/* ---------- отзывы ---------- */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.review-card {
  background: var(--frost); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.4rem; display: flex; flex-direction: column; gap: .8rem;
}
.review-stars { color: #f5a623; letter-spacing: .15em; font-size: .95rem; }
.review-card blockquote { color: var(--ink); font-size: .95rem; flex: 1; }
.review-card figcaption { color: var(--slate); font-size: .84rem; font-weight: 600; }

/* ---------- FAQ ---------- */
.faq-shell { max-width: 860px; }
.faq-list { display: flex; flex-direction: column; gap: .7rem; }
.faq-item {
  background: var(--frost); border: 1px solid var(--line); border-radius: 18px;
  transition: border-color .25s, box-shadow .25s;
}
.faq-item[open] { border-color: rgba(30,107,255,.4); box-shadow: var(--shadow-soft); }
.faq-item summary {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.1rem 1.4rem; font-weight: 700; cursor: pointer; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-x { position: relative; width: 18px; height: 18px; flex: none; }
.faq-x::before, .faq-x::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  background: var(--pulse); border-radius: 2px; transition: transform .3s;
}
.faq-x::before { width: 14px; height: 2.5px; }
.faq-x::after { width: 2.5px; height: 14px; }
.faq-item[open] .faq-x::after { transform: rotate(90deg); }
.faq-item p { padding: 0 1.4rem 1.2rem; color: var(--slate); }
.faq-item a { color: var(--pulse); border-bottom: 1px dotted currentColor; }

/* ---------- контакты: мессенджеры ---------- */
.c-msgs { display: flex; gap: .8rem; flex-wrap: wrap; }
.msg-link {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: 1rem; font-weight: 700; padding: .5rem 1rem; border-radius: 999px;
  transition: transform .2s, box-shadow .25s;
}
.msg-link:hover { transform: translateY(-2px); }
.msg-wa { background: #e7f8ee; color: #128c4b; }
.msg-tg { background: #e6f3fd; color: #0f7bc0; }
.contacts-towns { color: var(--slate); font-size: .9rem; margin-bottom: 1.6rem; max-width: 46ch; }

/* ---------- плавающие мессенджеры ---------- */
.float-msgs {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  display: flex; flex-direction: column; gap: .7rem;
}
.fm {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  box-shadow: 0 14px 30px -8px rgba(14,28,51,.4);
  transition: transform .25s cubic-bezier(.3, 1.4, .4, 1);
}
.fm:hover { transform: scale(1.12); }
.fm-wa { background: #25d366; }
.fm-tg { background: #29a9eb; }

.footer-nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-nav a { font-weight: 600; color: var(--slate); }
.footer-nav a:hover { color: var(--pulse); }

/* ---------- адаптив дополнений ---------- */
@media (max-width: 1024px) {
  .calc-issues { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .calc-row-2 { grid-template-columns: 1fr; }
  .calc-result { flex-direction: column; align-items: stretch; text-align: center; }
  .header-track { display: none; }
  .float-msgs { right: 12px; bottom: 12px; }
  .fm { width: 48px; height: 48px; }
}
@media (max-width: 480px) {
  .calc-issues { grid-template-columns: 1fr; }
}

/* «Мой заказ» в меню — только на мобильных (на десктопе есть кнопка в шапке) */
@media (min-width: 901px) { .nav-account { display: none; } }

.calc-pane[hidden], .calc-result[hidden] { display: none !important; }

/* ============================================================
   v3: превью витрины на лендинге + страница каталога
   ============================================================ */
.section-head-row {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem;
}
.section-head-row .btn { flex: none; }
.catalog-grid-preview { grid-template-columns: repeat(3, 1fr); }
.catalog-more { text-align: center; margin-top: 1.8rem; display: flex; flex-direction: column; align-items: center; gap: .6rem; }
.catalog-more p { color: var(--slate); font-size: .86rem; }

/* --- страница каталога --- */
.catalog-hero { padding-bottom: 0; }
.catalog-hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.03em; line-height: 1.06; margin: .5rem 0 1rem; }
.catalog-body { padding-top: 2rem; }

.catalog-controls {
  position: sticky; top: 76px; z-index: 30;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  background: rgba(243,248,254,.9); backdrop-filter: blur(12px);
  border: 1px solid var(--line); border-radius: 18px;
  padding: .7rem .9rem; margin-bottom: 1.2rem;
}
.catalog-tools { display: flex; gap: .6rem; flex-wrap: wrap; }
.catalog-search {
  font: inherit; color: var(--ink); background: var(--frost);
  border: 1px solid var(--line); border-radius: 12px; padding: .6rem .9rem; width: 210px;
}
.catalog-search:focus { outline: none; border-color: var(--pulse); box-shadow: 0 0 0 3px rgba(30,107,255,.15); }
.catalog-sort { width: auto; padding: .6rem 2.2rem .6rem .9rem; }
.catalog-count { color: var(--slate); font-size: .86rem; margin-bottom: 1rem; }

.product-card-click { cursor: pointer; }
.product-card-click:focus-visible { outline: 3px solid rgba(30,107,255,.5); outline-offset: 3px; }

.catalog-cta {
  margin-top: 2.5rem; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  background: linear-gradient(120deg, #eaf2ff, #e6f7ff);
  border: 1px solid rgba(30,107,255,.2); border-radius: 24px;
  padding: 1.8rem 2rem;
}
.catalog-cta h2 { font-size: 1.4rem; margin-bottom: .3rem; }
.catalog-cta p { color: var(--slate); max-width: 46ch; }

/* --- модалка товара --- */
.modal-card-product {
  width: min(880px, 100%); padding: 0; overflow: hidden;
  display: grid; grid-template-columns: 1.05fr 1fr;
}
.pm-photo { background: var(--tint); min-height: 100%; }
.pm-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pm-body { padding: 2rem 1.8rem; display: flex; flex-direction: column; gap: .7rem; }
.pm-body h3 { font-size: 1.45rem; letter-spacing: -.02em; }
.pm-specs { color: var(--slate); font-weight: 600; font-size: .92rem; }
.pm-desc { color: var(--slate); font-size: .92rem; flex: 1; }
.pm-foot { display: flex; flex-direction: column; gap: .9rem; margin-top: .4rem; }
.pm-price-box { display: flex; align-items: baseline; gap: .8rem; }
.pm-price { font-size: 1.8rem; font-weight: 800; letter-spacing: -.02em; }
.pm-cond { color: var(--slate); font-weight: 600; font-size: .9rem; }
.pm-actions { display: flex; gap: .7rem; flex-wrap: wrap; }
.pm-note { color: var(--slate); font-size: .78rem; }

@media (max-width: 900px) {
  .catalog-grid-preview { grid-template-columns: repeat(2, 1fr); }
  .modal-card-product { grid-template-columns: 1fr; max-height: 92vh; overflow-y: auto; }
  .pm-photo { max-height: 300px; }
  .catalog-controls { position: static; }
}
@media (max-width: 640px) {
  .catalog-grid-preview { grid-template-columns: 1fr; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
  .catalog-tools { width: 100%; }
  .catalog-search { flex: 1; width: auto; }
  .catalog-cta { flex-direction: column; align-items: stretch; text-align: center; }
}