:root {
  --red: #d40f1f;
  --red-dark: #a90b18;
  --wa: #1fae57;
  --wa-dark: #178a44;
  --ink: #15171a;
  --ink-2: #3b3f45;
  --muted: #6b7078;
  --line: #e4e4e1;
  --bg: #ffffff;
  --bg-alt: #f3f3f1;
  --dark: #17191c;
  --dark-2: #23262a;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(20, 22, 26, .07);
  --wrap: 1180px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(34px, 5.2vw, 58px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 700; }
p { margin: 0 0 1em; }
b, strong { font-weight: 700; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 860px; }
.ico { width: 20px; height: 20px; flex: none; }
.sprite { position: absolute; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; border-radius: 999px; border: 2px solid transparent;
  font: inherit; font-weight: 700; font-size: 16px; line-height: 1.2;
  text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: var(--wa-dark); }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-sm { padding: 10px 18px; font-size: 15px; }
.btn-lg { padding: 18px 32px; font-size: 18px; }

.eyebrow {
  display: inline-block; margin: 0 0 14px;
  font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--red);
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 4px 20px rgba(0, 0, 0, .04); }
.header-inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: none; }
.brand img { width: 48px; height: 48px; mix-blend-mode: multiply; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text b { font-size: 17px; letter-spacing: .08em; }
.brand-text small { font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { text-decoration: none; font-size: 15px; font-weight: 600; color: var(--ink-2); padding: 6px 0; position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--red); transform: scaleX(0); transition: transform .2s; }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.header-cta { display: flex; align-items: center; gap: 14px; }
.header-phone { text-decoration: none; font-weight: 700; font-size: 15px; white-space: nowrap; }
.burger { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px; cursor: pointer; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: transform .25s, opacity .25s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { background: linear-gradient(180deg, #f2f2f2 0%, #f2f2f2 70%, #fff 100%); overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 32px; padding-top: 56px; padding-bottom: 64px; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 40px; }
.hero-facts { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 560px; }
.hero-facts li { border-left: 3px solid var(--red); padding-left: 14px; }
.hero-facts b { display: block; font-size: 26px; font-weight: 800; line-height: 1.1; }
.hero-facts span { font-size: 14px; color: var(--muted); line-height: 1.35; display: block; margin-top: 4px; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; max-width: 560px; margin: 0 auto; }
.hero-badge {
  position: absolute; top: 12%; right: 6%;
  background: var(--red); color: #fff; font-weight: 800; font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  padding: 8px 14px; border-radius: 999px; transform: rotate(6deg);
}

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--dark); color: #e9eaec; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .eyebrow { color: #ff5a64; }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-sub { color: var(--muted); font-size: 18px; }
.section-dark .section-sub { color: #a9adb3; }

/* Benefits */
.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.benefit { background: var(--bg-alt); border-radius: var(--radius); padding: 28px 24px; }
.benefit p { color: var(--ink-2); font-size: 16px; margin: 0; }
.b-ico { width: 40px; height: 40px; color: var(--red); margin-bottom: 18px; }

/* Split */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.split-media img { border-radius: var(--radius); box-shadow: var(--shadow); }
.steps { list-style: none; padding: 0; margin: 28px 0 0; counter-reset: s; display: grid; gap: 12px; }
.steps li { counter-increment: s; display: flex; gap: 14px; align-items: center; background: #fff; border-radius: var(--radius-sm); padding: 14px 18px; }
.steps li::before {
  content: counter(s); flex: none; width: 34px; height: 34px; border-radius: 50%;
  background: var(--red); color: #fff; font-weight: 800; display: grid; place-items: center;
}

/* Models */
.model-feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
  background: var(--bg-alt); border-radius: 24px; padding: 48px;
}
.model-feature-media { position: relative; background: #fff; border-radius: var(--radius); padding: 40px 24px; }
.model-feature-media img { margin: 0 auto; }
.tag { position: absolute; top: 16px; left: 16px; background: var(--red); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px; }
.model-feature-copy h3 { font-size: 32px; font-weight: 800; }
.model-lead { color: var(--ink-2); }
.checks { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 8px; }
.checks li { position: relative; padding-left: 28px; font-size: 16px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.5 8.2 2.3 2.3 4.7-5' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat;
}
.checks-light li { color: #d6d8db; }
.plain { margin: 0; padding-left: 20px; display: grid; gap: 6px; font-size: 16px; }
.more { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 0 20px; }
.more summary { cursor: pointer; padding: 14px 0; font-weight: 700; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.more summary::-webkit-details-marker { display: none; }
.more summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--red); transition: transform .2s; }
.more[open] summary::after { transform: rotate(45deg); }
.more > ul, .more .more-body { padding-bottom: 16px; }
.more-light { border-color: #34383d; margin-top: 32px; }
.more-light .plain { color: #c8cbcf; }
.doc-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 24px; }
.doc-links a { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 600; color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.doc-links a:hover { color: var(--red); border-color: var(--red); }
.doc-links .ico { width: 18px; height: 18px; color: var(--red); }

.models { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.model-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.model-card img { height: 220px; width: auto; object-fit: contain; margin: 0 auto 20px; }
.model-card h3 { font-size: 24px; font-weight: 800; }
.model-card p { color: var(--ink-2); font-size: 16px; flex: 1; }
.model-card .doc-links { margin: 0; }

.table-title { margin-top: 56px; font-size: 22px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius-sm); border: 1px solid var(--line); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
.specs { min-width: 640px; }
.specs thead th { background: var(--ink); color: #fff; font-weight: 700; }
.specs thead th:nth-child(2) { background: var(--red); }
.specs tbody th { font-weight: 600; color: var(--muted); width: 28%; }
.specs td { font-weight: 600; }
.specs tbody tr:nth-child(even) { background: #fafaf9; }

/* Tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tabs button {
  font: inherit; font-size: 15px; font-weight: 700; cursor: pointer;
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  padding: 11px 20px; border-radius: 999px; transition: all .2s;
}
.tabs button:hover { border-color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.tab-panel { background: #fff; border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.tab-panel > p { max-width: 760px; color: var(--ink-2); }
.step-strip { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; counter-reset: st; }
.step-strip-5 { grid-template-columns: repeat(5, 1fr); }
.step-strip li { counter-increment: st; position: relative; background: #fafaf9; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 28px 10px 14px; display: grid; place-items: center; }
.step-strip li::before { content: counter(st); position: absolute; top: 8px; left: 10px; font-size: 13px; font-weight: 800; color: var(--red); }
.step-strip img { width: 100%; max-width: 122px; mix-blend-mode: multiply; }
.clean-cycles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
.clean-cycles div { background: var(--bg-alt); border-radius: var(--radius-sm); padding: 16px 18px; }
.clean-cycles b { display: block; margin-bottom: 4px; }
.clean-cycles span { font-size: 15px; color: var(--ink-2); }
.warn { margin: 20px 0 0; padding: 12px 16px; border-radius: var(--radius-sm); background: #fff3f3; color: var(--red-dark); font-size: 15px; font-weight: 600; }
.note { margin: 16px 0 0; font-size: 14px; color: var(--muted); }

/* Accessories */
.acc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.acc { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px 24px; transition: box-shadow .2s, transform .2s; }
.acc:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.acc-img { background: #fff; border-radius: var(--radius-sm); height: 200px; display: grid; place-items: center; margin-bottom: 18px; overflow: hidden; }
.acc-img img { max-height: 190px; width: auto; object-fit: contain; }
.acc h3 { font-size: 18px; margin-bottom: 6px; }
.acc p { color: var(--ink-2); font-size: 15px; margin: 0; }
.cta-inline { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; background: var(--bg-alt); border-radius: var(--radius); padding: 20px 24px; font-weight: 600; }
.cta-inline-dark { background: var(--dark-2); color: #fff; }

/* Service */
.service-top { display: grid; grid-template-columns: 1fr 1.1fr; gap: 32px; align-items: stretch; }
.service-facts { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.service-facts li { background: var(--dark-2); border-radius: var(--radius); padding: 24px; }
.service-facts b { display: block; font-size: 30px; font-weight: 800; color: #fff; line-height: 1.1; margin-bottom: 8px; }
.service-facts span { font-size: 15px; color: #a9adb3; line-height: 1.45; display: block; }
.service-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.service-photos img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; border-radius: var(--radius); }
.sub-h { margin-top: 56px; margin-bottom: 20px; font-size: 22px; }
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; counter-reset: f; }
.flow li { counter-increment: f; background: var(--dark-2); border-radius: var(--radius-sm); padding: 20px 16px; position: relative; }
.flow li::before { content: "0" counter(f); display: block; font-size: 13px; font-weight: 800; color: #ff5a64; margin-bottom: 10px; }
.flow b { display: block; color: #fff; margin-bottom: 6px; }
.flow span { font-size: 14px; color: #a9adb3; line-height: 1.45; display: block; }
.service-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.alert { display: flex; gap: 14px; align-items: flex-start; margin-top: 48px; padding: 20px 22px; border-radius: var(--radius); border: 1px solid #5a2a2e; background: #2a1c1e; }
.alert .ico { color: #ff5a64; width: 24px; height: 24px; margin-top: 2px; }
.alert p { margin: 0; color: #e3c9cb; font-size: 16px; }
.alert b { color: #fff; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; transition: box-shadow .2s; }
.faq details[open] { box-shadow: var(--shadow); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 56px 20px 22px; font-weight: 700; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 26px; font-weight: 400; color: var(--red); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details > p, .faq details > .table-scroll { margin: 0 22px 22px; color: var(--ink-2); }
.trouble { min-width: 640px; font-size: 14px; }
.trouble thead th { background: var(--bg-alt); font-weight: 700; }
.trouble td:first-child { font-weight: 600; color: var(--ink); }

/* Contacts */
.contact-card { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; background: #fff; border-radius: 24px; padding: 56px; box-shadow: var(--shadow); }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list .ico { width: 24px; height: 24px; color: var(--red); margin-top: 4px; }
.contact-list small { display: block; font-size: 13px; color: var(--muted); }
.contact-list a, .contact-list span { font-weight: 700; font-size: 18px; text-decoration: none; }
.contact-list a:hover { color: var(--red); }

/* Footer */
.site-footer { background: var(--dark); color: #c8cbcf; padding: 48px 0 96px; font-size: 15px; }
.footer-inner { display: grid; gap: 16px; }
.site-footer p { margin: 0 0 4px; }
.site-footer b { color: #fff; }
.muted { color: #8b9097; }
.small { font-size: 13px; }
.offer summary { cursor: pointer; font-weight: 600; color: #fff; }
.offer p { margin-top: 10px; max-width: 820px; color: #a9adb3; font-size: 14px; }

/* Floating WhatsApp */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 60px; height: 60px; border-radius: 50%; background: var(--wa); color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 24px rgba(31, 174, 87, .4);
  transition: transform .2s, opacity .3s;
}
.wa-float .ico { width: 32px; height: 32px; }
.wa-float:hover { transform: scale(1.06); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}

/* Responsive */
@media (max-width: 1100px) {
  .nav { gap: 16px; }
  .header-phone { display: none; }
  .flow { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; gap: 0;
    background: #fff; padding: 8px 24px 20px; border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 30px rgba(0, 0, 0, .08);
    transform: translateY(-120%); visibility: hidden; transition: transform .25s, visibility .25s;
  }
  .nav.open { transform: none; visibility: visible; }
  .nav a { padding: 14px 0; font-size: 17px; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: 0; }
  .nav a::after { display: none; }
  .header-cta { margin-left: auto; }
  .hero-inner, .split, .model-feature, .service-top, .contact-card { grid-template-columns: 1fr; }
  .hero-inner { padding-top: 32px; padding-bottom: 48px; }
  .hero-visual { order: -1; }
  .hero-visual img { max-width: 380px; }
  .benefits { grid-template-columns: 1fr 1fr; }
  .acc-grid { grid-template-columns: 1fr 1fr; }
  .model-feature { padding: 28px; gap: 28px; }
  .contact-card { padding: 36px; gap: 28px; }
  .section { padding: 72px 0; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .header-cta .btn-wa span { display: none; }
  .header-cta .btn-wa { padding: 10px; width: 44px; height: 44px; }
  .brand-text small { display: none; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-facts { grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
  .hero-facts b { font-size: 20px; }
  .hero-facts span { font-size: 12px; }
  .benefits, .acc-grid, .models, .service-cols, .clean-cycles { grid-template-columns: 1fr; }
  .service-facts { grid-template-columns: 1fr 1fr; }
  .service-facts li { padding: 18px; }
  .service-facts b { font-size: 24px; }
  .service-photos img { min-height: 200px; }
  .flow { grid-template-columns: 1fr 1fr; }
  .step-strip, .step-strip-5 { grid-template-columns: repeat(3, 1fr); }
  .tabs { flex-wrap: nowrap; overflow-x: auto; margin: 0 -16px 20px; padding: 0 16px 4px; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs button { flex: none; }
  .tab-panel { padding: 22px 18px; }
  .model-feature { padding: 18px; }
  .model-feature-media { padding: 32px 12px 16px; }
  .model-feature-copy h3 { font-size: 26px; }
  .contact-card { padding: 24px 18px; }
  .contact-list a, .contact-list span { font-size: 16px; }
  .cta-inline .btn { width: 100%; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .wa-float { right: 14px; bottom: 14px; width: 56px; height: 56px; }
}