/* ===== Variables ===== */
:root {
  --color-primary: #007bff;
  --color-primary-dark: #0056b3;
  --color-primary-light: #eaf5ff;
  --color-bg: #f2f9ff;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-text-muted: #5b6472;
  --color-accent: #ffb400;
  --color-border: #e3edf7;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, .06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, .10);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, .14);
  --container: 1180px;
  --header-h: 76px;
}

/* ===== Reset ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; }
ul { list-style: none; }

body {
  font-family: 'Roboto', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; line-height: 1.25; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-primary);
  color: #fff; padding: 0.8rem 1.2rem; z-index: 2000; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.6rem; border-radius: 999px; border: none; cursor: pointer;
  font-weight: 600; font-size: .95rem; text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 8px 20px rgba(0,123,255,.28); }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,123,255,.35); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.7); }
.btn-outline:hover { background: rgba(255,255,255,.15); transform: translateY(-2px); }
.btn-ghost { background: var(--color-primary-light); color: var(--color-primary-dark); }
.btn-ghost:hover { background: #d9ecff; transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.9); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
}
.site-header .container {
  height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand img { height: 34px; width: auto; }
.brand-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.15rem; color: var(--color-primary-dark); }

.main-nav { display: flex; align-items: center; gap: .25rem; }
.main-nav a {
  padding: .6rem .9rem; border-radius: var(--radius-sm); text-decoration: none;
  color: var(--color-text); font-weight: 500; font-size: .95rem; transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: none; background: transparent; cursor: pointer;
  border-radius: var(--radius-sm); position: relative;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: ''; position: absolute; left: 10px; right: 10px; height: 2px; background: var(--color-text);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle::before { top: 15px; }
.nav-toggle span { top: 22px; }
.nav-toggle::after { top: 29px; }
.nav-toggle[aria-expanded="true"]::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"]::after { transform: translateY(-7px) rotate(-45deg); }
.nav-toggle[aria-expanded="true"] span { opacity: 0; }

.header-cta { display: flex; align-items: center; gap: .75rem; }

/* Переключатель языков */
.lang-switch {
  position: relative; margin-left: .5rem; padding-left: .75rem; border-left: 1px solid var(--color-border);
}
.lang-toggle {
  display: flex; align-items: center; gap: .45rem; background: none; cursor: pointer;
  border: 1px solid var(--color-border); border-radius: 999px; padding: .45rem .8rem;
  font-size: .82rem; font-weight: 700; color: var(--color-text); transition: all .2s ease;
}
.lang-toggle:hover { border-color: var(--color-primary); color: var(--color-primary-dark); background: var(--color-primary-light); }
.lang-toggle i.fa-globe { color: var(--color-primary); }
.lang-toggle .lang-chevron { font-size: .6rem; transition: transform .2s ease; color: var(--color-text-muted); }
.lang-switch.is-open .lang-toggle { border-color: var(--color-primary); color: var(--color-primary-dark); background: var(--color-primary-light); }
.lang-switch.is-open .lang-chevron { transform: rotate(180deg); }

.lang-menu {
  position: absolute; top: calc(100% + .6rem); right: 0; min-width: 170px; z-index: 1100;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-md); padding: .4rem; display: grid; gap: .1rem;
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.lang-switch.is-open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu a {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  padding: .6rem .75rem; border-radius: var(--radius-sm); color: var(--color-text);
  text-decoration: none; font-size: .9rem; font-weight: 500; transition: background .2s, color .2s;
}
.lang-menu a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }
.lang-menu a.is-active { background: var(--color-primary); color: #fff; font-weight: 700; }
.lang-menu a.is-active::after { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: .75rem; }

@media (max-width: 900px) {
  .lang-switch { border-left: none; padding: 1rem 0 0; margin-left: 0; }
  .lang-toggle { width: 100%; justify-content: space-between; }
  .lang-menu {
    position: static; box-shadow: none; border: none; padding: .5rem 0 0;
    opacity: 1; visibility: visible; transform: none; display: none;
  }
  .lang-switch.is-open .lang-menu { display: grid; }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h));
    background: #fff; flex-direction: column;
    align-items: stretch; padding: 1rem; gap: .25rem; transform: translateY(-8px);
    opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease;
    overflow-y: auto;
  }
  .main-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .main-nav a { padding: 1rem; font-size: 1.05rem; border-bottom: 1px solid var(--color-border); }
  .nav-toggle { display: block; }
  .header-cta .btn-primary { padding: .7rem 1.1rem; font-size: .85rem; }
}

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, #12a0e0 100%);
  color: #fff; padding: 4.5rem 0 5rem;
}
.hero::after {
  content: ''; position: absolute; inset: auto -10% -30% auto; width: 60%; padding-bottom: 60%;
  background: radial-gradient(circle at center, rgba(255,255,255,.14), transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.hero .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; position: relative; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem; background: rgba(255,255,255,.16);
  padding: .4rem .9rem; border-radius: 999px; font-size: .85rem; font-weight: 600; margin-bottom: 1.2rem;
}
.hero h1 { font-size: clamp(2rem, 4vw, 2.9rem); margin-bottom: 1.1rem; text-wrap: balance; }
.hero h1 em { font-style: normal; color: #ffe9a8; }
.hero-lead { font-size: 1.1rem; opacity: .92; max-width: 46ch; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.2rem; }
.trust-strip { display: flex; flex-wrap: wrap; gap: 1.4rem; font-size: .88rem; opacity: .9; }
.trust-strip li { display: flex; align-items: center; gap: .5rem; }
.trust-strip i { color: var(--color-accent); }

.hero-media { position: relative; display: flex; justify-content: center; }
.hero-media img {
  max-height: 420px; width: auto; filter: drop-shadow(0 25px 40px rgba(0,0,0,.35));
}

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero-actions, .trust-strip { justify-content: center; }
  .hero-media img { max-height: 280px; }
}

/* ===== Section shell ===== */
.section { padding: 5rem 0; }
.section-alt { background: var(--color-surface); }
.section-head { max-width: 680px; margin: 0 auto 3rem; text-align: center; }
.eyebrow {
  display: inline-block; color: var(--color-primary-dark); background: var(--color-primary-light);
  padding: .35rem .9rem; border-radius: 999px; font-size: .8rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase; margin-bottom: 1rem;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: .8rem; }
.section-head p { color: var(--color-text-muted); font-size: 1.05rem; }

/* ===== Comparison table ===== */
.compare-wrap { overflow-x: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); background: var(--color-surface); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.compare-table th, .compare-table td { padding: 1.1rem 1.3rem; text-align: left; border-bottom: 1px solid var(--color-border); }
.compare-table thead th { background: var(--color-primary-light); color: var(--color-primary-dark); font-family: 'Montserrat', sans-serif; }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td:first-child, .compare-table th:first-child { font-weight: 600; }
.compare-table .col-easywax { background: #fff9ec; }
.compare-table thead .col-easywax { background: var(--color-accent); color: #3a2a00; }
.tag-good { color: #0a8a3f; font-weight: 600; }
.tag-bad { color: #c23a3a; font-weight: 600; }
.tag-sub { color: var(--color-text-muted); font-size: .85em; font-weight: 400; }

/* Всплывающая подсказка (?) в таблице сравнения */
.info-tip {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; margin-left: .35rem; border-radius: 50%; border: none;
  background: var(--color-primary-light); color: var(--color-primary-dark);
  font-size: .72rem; font-weight: 700; line-height: 1; cursor: pointer; vertical-align: middle;
  transition: background .2s, color .2s;
}
.info-tip:hover, .info-tip.is-open { background: var(--color-primary); color: #fff; }
.info-tip-popup {
  position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(4px);
  width: 260px; max-width: 70vw; background: var(--color-text); color: #fff;
  font-size: .8rem; font-weight: 400; line-height: 1.5; text-align: left;
  padding: .75rem .9rem; border-radius: var(--radius-sm); box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transition: opacity .15s ease, transform .15s ease, visibility .15s;
  z-index: 30;
}
.info-tip-popup::after {
  content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--color-text);
}
.info-tip.is-open .info-tip-popup { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ===== Advantage cards ===== */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.adv-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 1.8rem; box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.adv-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm); background: var(--color-primary-light);
  color: var(--color-primary); display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1.1rem;
}
.adv-card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.adv-card p { color: var(--color-text-muted); font-size: .95rem; }

/* ===== Steps ===== */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.step { position: relative; background: var(--color-surface); border-radius: var(--radius-lg); padding: 1.8rem 1.6rem; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); }
.step::before {
  counter-increment: step; content: counter(step);
  width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 1rem;
}
.step h3 { font-size: 1.02rem; margin-bottom: .4rem; }
.step p { color: var(--color-text-muted); font-size: .92rem; }
.steps-cta { text-align: center; margin-top: 2.2rem; }

/* ===== Specs ===== */
.specs-panel {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-lg); padding: 2.6rem; color: #fff;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1.8rem;
}
.spec-item .spec-value { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.7rem; display: block; }
.spec-item .spec-label { opacity: .85; font-size: .85rem; }
.spec-item .spec-note {
  display: flex; align-items: center; gap: .4rem; margin-top: .5rem;
  font-size: .76rem; font-weight: 600; color: var(--color-accent); opacity: .95;
}
.spec-item .spec-note .ban-icon {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 1.15em; height: 1.15em; flex-shrink: 0;
  border: 0.13em solid #ff5a52; border-radius: 50%;
}
.spec-item .spec-note .ban-icon i { font-size: .6em; color: #ff5a52; }
.spec-item .spec-note .ban-icon::after {
  content: ''; position: absolute; top: 50%; left: 6%;
  width: 88%; height: 0.13em; background: #ff5a52;
  transform: translateY(-50%) rotate(-45deg);
}

/* ===== Reviews ===== */
.grid-reviews { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.review-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 1.6rem; box-shadow: var(--shadow-sm);
}
.review-stars { color: var(--color-accent); margin-bottom: .6rem; font-size: .9rem; }
.review-card p { color: var(--color-text); margin-bottom: 1rem; }
.review-author { font-weight: 600; font-size: .9rem; color: var(--color-text-muted); }
.review-source { font-size: .8rem; color: var(--color-text-muted); }
.reviews-empty {
  border: 2px dashed var(--color-border); border-radius: var(--radius-lg); padding: 2.5rem;
  text-align: center; color: var(--color-text-muted);
}

/* ===== Marketplaces ===== */
.marketplace-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; }
.marketplace-card {
  display: flex; align-items: center; gap: 1rem; padding: 1.4rem; border-radius: var(--radius-md);
  text-decoration: none; color: #fff; font-weight: 600; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.marketplace-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.marketplace-card .mp-icon {
  width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.marketplace-card .mp-sub { display: block; font-weight: 400; font-size: .8rem; opacity: .85; }
.mp-ozon { background: #005BFF; }
.mp-wildberries { background: #A100FF; }
.mp-twentyfirst { background: #e000a4; }
.mp-emall { background: #00a86b; }

/* ===== Event / partnership cards ===== */
.event-card {
  display: flex; gap: 1.5rem; background: var(--color-surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); overflow: hidden; align-items: stretch;
}
.event-card img { width: 160px; object-fit: cover; }
.event-body { padding: 1.6rem; }
.event-body h3 { margin-bottom: .4rem; }
.event-meta { display: flex; gap: 1rem; font-size: .85rem; color: var(--color-text-muted); margin-top: .6rem; }
@media (max-width: 560px) { .event-card { flex-direction: column; } .event-card img { width: 100%; height: 160px; } }

/* ===== Dealer / partner CTA ===== */
.dealer-panel {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center;
  background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: 2.6rem; border: 1px solid var(--color-border);
}
.dealer-panel ul { display: grid; gap: .7rem; margin: 1.2rem 0 1.6rem; }
.dealer-panel ul li { display: flex; gap: .6rem; align-items: flex-start; color: var(--color-text-muted); }
.dealer-panel ul li i { color: var(--color-primary); margin-top: .2rem; }
@media (max-width: 800px) { .dealer-panel { grid-template-columns: 1fr; text-align: center; } .dealer-panel ul li { text-align: left; } }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: .8rem; }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.2rem 1.4rem; background: none; border: none; cursor: pointer; text-align: left;
  font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 1rem; color: var(--color-text);
}
.faq-question .faq-icon { flex-shrink: 0; transition: transform .25s ease; color: var(--color-primary); }
.faq-item[data-open="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 1.4rem 1.3rem; color: var(--color-text-muted); }

/* ===== Blog teaser ===== */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.blog-card {
  background: var(--color-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border);
  padding: 1.6rem; text-decoration: none; color: inherit; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease; display: block;
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--color-primary); }
.blog-card h3 { font-size: 1.05rem; margin-bottom: .5rem; color: var(--color-primary-dark); }
.blog-card p { color: var(--color-text-muted); font-size: .9rem; margin-bottom: 1rem; }
.blog-card .read-more { color: var(--color-primary); font-weight: 600; font-size: .9rem; }
.blog-card .read-more::after { content: '→'; margin-left: .4rem; }
.blog-more { text-align: center; margin-top: 2.2rem; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2.5rem; align-items: start; }
.about-grid p { margin-bottom: 1rem; color: var(--color-text-muted); }
.about-grid .lead { color: var(--color-text); font-weight: 600; font-size: 1.1rem; }
.about-events { display: grid; gap: .5rem; margin-top: 1rem; }
.about-events li { display: flex; gap: .6rem; color: var(--color-text-muted); }
.about-events i { color: var(--color-primary); margin-top: .3rem; }
.company-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 1.8rem; box-shadow: var(--shadow-sm); font-size: .9rem; color: var(--color-text-muted);
}
.company-card h3 { color: var(--color-text); font-size: 1rem; margin-bottom: .8rem; }
.company-card p { margin-bottom: .5rem; }
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2.5rem; }
.contact-info-card {
  background: var(--color-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border);
  padding: 2rem; box-shadow: var(--shadow-sm);
}
.contact-line { display: flex; align-items: center; gap: .8rem; margin-bottom: 1.1rem; }
.contact-line i { width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; }
.contact-line a { text-decoration: none; color: var(--color-text); font-weight: 500; }
.social-row { display: flex; gap: .7rem; margin-top: 1.4rem; }
.social-row a {
  width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; transition: transform .2s ease;
}
.social-row a:hover { transform: translateY(-3px); }
.social-instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.social-viber { background: #7360f2; }

.contact-form-card {
  background: var(--color-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border);
  padding: 2rem; box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 1.1rem; }
.form-row label { display: block; margin-bottom: .4rem; font-weight: 500; font-size: .92rem; }
.form-row input, .form-row textarea {
  width: 100%; padding: .8rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font: inherit; background: #fbfdff;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--color-primary); outline: none; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* ===== Footer ===== */
.site-footer { background: #0b1830; color: #cbd6e8; padding: 3.5rem 0 1.5rem; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem; }
.footer-brand img { height: 32px; margin-bottom: 1rem; }
.footer-brand p { color: #93a3bd; font-size: .9rem; max-width: 32ch; }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 1rem; }
.site-footer ul { display: grid; gap: .6rem; }
.site-footer a { color: #93a3bd; text-decoration: none; font-size: .9rem; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.4rem; text-align: center; font-size: .85rem; color: #6f7f9c; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ===== Back to top ===== */
.back-to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; width: 46px; height: 46px; border-radius: 50%;
  background: var(--color-primary); color: #fff; border: none; display: flex; align-items: center;
  justify-content: center; box-shadow: var(--shadow-md); cursor: pointer; opacity: 0; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease; z-index: 900;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px); }

/* ===== Chat widget ===== */
#chat-widget {
  position: fixed; bottom: 5.5rem; right: 1.25rem; width: 340px; max-width: calc(100vw - 2rem);
  background: var(--color-surface); border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  z-index: 950; height: 52px; transition: height .3s ease;
  overflow: hidden; border: 1px solid var(--color-border);
  display: flex; flex-direction: column;
}
#chat-widget.open { height: min(420px, calc(100dvh - 7rem)); }
#chat-header {
  flex: 0 0 auto;
  background: var(--color-primary); color: #fff; padding: .9rem; text-align: center; font-weight: 600;
  cursor: pointer; position: relative; z-index: 1;
}
#chat-body { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: .9rem; border-bottom: 1px solid var(--color-border); display: flex; flex-direction: column; }
#chat-input {
  flex: 0 0 auto;
  display: flex; padding: .8rem; background: #fff;
  border-top: 1px solid var(--color-border);
}
#chat-message { flex: 1; min-width: 0; padding: .6rem; margin-right: .5rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 16px; }
#chat-send { padding: .6rem 1rem; background: var(--color-primary); color: #fff; border: none; border-radius: var(--radius-sm); cursor: pointer; flex: 0 0 auto; }
#chat-send:hover { background: var(--color-primary-dark); }
#chat-messages { flex: 1 1 auto; min-height: 0; overflow-y: auto; margin-bottom: .5rem; }
.admin-message, .user-message { padding: .5rem .65rem; margin: .4rem 0; border-radius: var(--radius-sm); font-size: .85rem; line-height: 1.4; max-width: 85%; word-wrap: break-word; }
.admin-message { background: #f0f0f0; margin-right: auto; }
.admin-message.greeting { background: var(--color-primary-light); }
.user-message { background: var(--color-primary-light); margin-left: auto; }
.msg-header { display: flex; align-items: center; gap: .3rem; margin-bottom: .15rem; }
.msg-header strong { font-size: .72rem; font-weight: 600; }
.msg-logo { width: 14px; height: 14px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.time { font-size: .66rem; color: var(--color-text-muted); margin-left: auto; }

@media (max-width: 480px) {
  #chat-widget {
    left: .6rem; right: .6rem; bottom: 4.6rem; width: auto; max-width: none;
  }
  #chat-widget.open { height: min(70dvh, calc(100dvh - 6rem)); }
  .back-to-top { right: .6rem; bottom: .6rem; }
}