:root {
  --bg: #FAF6F0;
  --bg-alt: #F1EAE1;
  --dark-bg: #2A241F;
  --dark-card: #332C25;
  --card: #FFFDFA;
  --text: #241E19;
  --text2: #5C534B;
  --muted: #8A7E73;
  --muted2: #9A8F84;
  --text-dark: #F3EDE6;
  --heading-dark: #FBF7F1;
  --text2-dark: #B7ACA0;
  --accent: #C15B3D;
  --accent-hover: #A84B2F;
  --link: #B0502F;
  --link-hover: #8F3E22;
  --accent-light: #F6E6DE;
  --accent-light-dark: #E09B80;
  --brand-orange: #DD5228;
  --brand-icon: #FFF6F0;
  --green: #2E7D4F;
  --green-text: #25603C;
  --green-light: #E8F3EA;
  --green-border: #CBE3D1;
  --green-bar-dark: #5B9B72;
  --green-text-dark: #9DBFA9;
  --green-status-dark: #8FC7A3;
  --red-bar-dark: #D8694A;
  --red-text-dark: #E09B80;
  --red-status-bg-dark: rgba(216,105,74,0.16);
  --green-status-bg-dark: rgba(91,155,114,0.14);
  --yellow-border: #C4A94E;
  --yellow-text: #6B5F2E;
  --yellow-chip: #EFE9DC;
  --gold: #D9A93E;
  --border: #E4DACE;
  --border2: #DCD2C7;
  --border-dashed: #C9BDB0;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); }
h1, h2, p { margin: 0; }
input[type=range] { accent-color: var(--accent); }
details summary { list-style: none; cursor: pointer; }
details summary::-webkit-details-marker,
details summary::marker { display: none; content: ''; }
img, svg { display: block; max-width: 100%; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 880px; padding: 0 32px; }
.container-faq { max-width: 760px; padding: 0 32px; }

.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--dark-bg); }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--link);
  margin-bottom: 14px;
}
.eyebrow-dark { color: var(--accent-light-dark); }

h2 { font-size: 36px; letter-spacing: -0.02em; font-weight: 700; margin-bottom: 44px; }
.h2-narrow { max-width: 28ch; text-wrap: balance; }
.heading-dark { color: var(--heading-dark); margin-bottom: 12px; }
.section-lead { margin: 0 0 44px; color: var(--text2); font-size: 17px; line-height: 1.6; max-width: 66ch; }
.section-lead-dark { color: var(--text2-dark); max-width: 60ch; margin-bottom: 40px; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card, .feature-card, .step-card {
  background: var(--card);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.feature-card { background: transparent; border: 1.5px solid var(--border); gap: 12px; }
.step-card { background: var(--bg-alt); gap: 12px; }

.card-title { font-size: 18px; font-weight: 600; }
.feature-card .card-title, .step-card .card-title { font-size: 19px; }
.card p, .feature-card p, .step-card p { color: var(--text2); line-height: 1.55; font-size: 15px; margin: 0; }

.strike {
  font-size: 17px; font-weight: 600; color: var(--muted);
  text-decoration: line-through; text-decoration-color: var(--border-dashed);
}
.arrow { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--link); }

/* Nav */
.nav { position: sticky; top: 0; background: var(--bg); z-index: 50; }
.nav-inner { padding: 22px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -0.01em; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-badge {
  width: 30px; height: 30px; background: var(--brand-orange); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; color: var(--brand-icon); flex-shrink: 0;
}
.brand-badge-sm { width: 26px; height: 26px; border-radius: 7px; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.nav-links a:not(.btn) { color: var(--text2); }
.nav-burger {
  display: none; background: none; border: none; color: var(--text); cursor: pointer; padding: 6px;
}

.btn {
  display: inline-block; font-weight: 600; border-radius: 12px; cursor: pointer; border: none;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: #FFF9F5; padding: 10px 20px; }
.btn-primary:hover { background: var(--accent-hover); color: #FFF9F5; }
.btn-outline { border: 1.5px solid var(--border2); color: #3E362F; padding: 13.5px 22.5px; }
.btn-outline:hover { border-color: var(--link); color: var(--link); }
.btn-lg { padding: 15px 28px; border-radius: 14px; font-size: 17px; }
.btn-outline.btn-lg { padding: 13.5px 26.5px; }
.btn-xl { padding: 17px 36px; border-radius: 14px; font-size: 18px; }

/* Hero */
.hero-inner {
  padding: 56px 32px 88px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center;
}
.hero-copy { display: flex; flex-direction: column; gap: 24px; }
.eyebrow-pill {
  align-self: flex-start; font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.14em;
  color: var(--link); background: var(--accent-light); padding: 7px 14px; border-radius: 999px;
}
.hero h1 { font-size: 52px; line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; text-wrap: balance; }
.lead { font-size: 19px; line-height: 1.55; color: var(--text2); max-width: 52ch; }
.hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero-tags {
  display: flex; flex-wrap: wrap; gap: 10px 24px; font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px; letter-spacing: 0.06em; color: var(--muted);
}
.hero-tags span { white-space: nowrap; }

.hero-phone-wrap { display: flex; justify-content: center; }
.phone {
  width: 372px; background: var(--dark-bg); border-radius: 46px; padding: 11px;
  box-shadow: 0 32px 64px -24px rgba(74,42,26,0.35);
}
.phone-screen { background: var(--bg); border-radius: 37px; padding: 20px 18px 14px; overflow: hidden; }
.phone-topbar { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.phone-title { font-weight: 700; font-size: 17px; }
.phone-fam { font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: 0.1em; color: var(--muted2); }
.phone-score-card { background: var(--accent); border-radius: 22px; padding: 18px; color: #FFF6F1; }
.phone-score-row { display: flex; align-items: center; gap: 14px; }
.phone-score-num { font-family: 'IBM Plex Mono', monospace; font-size: 52px; font-weight: 700; line-height: 1; }
.phone-score-label { font-weight: 700; font-size: 16px; }
.phone-score-sub { font-size: 11.5px; opacity: 0.85; }
.phone-progress { height: 6px; background: rgba(255,255,255,0.25); border-radius: 99px; margin: 14px 0 12px; }
.phone-progress-fill { height: 6px; background: #FFF6F1; border-radius: 99px; }
.phone-checklist { display: flex; flex-direction: column; gap: 7px; font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; }
.phone-checklist div { display: flex; justify-content: space-between; }
.phone-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 2px; }
.phone-stat { padding-left: 10px; }
.phone-stat-green { border-left: 3px solid var(--green); }
.phone-stat-neutral { border-left: 3px solid #D9CFC4; }
.phone-stat-label { font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: 0.12em; color: var(--muted2); }
.phone-stat-val { font-weight: 700; font-size: 17px; }
.phone-stat-val-green { color: var(--green); }
.phone-piggy { background: var(--green-light); border: 1px solid var(--green-border); border-radius: 16px; padding: 13px 14px; }
.phone-piggy-row { display: flex; justify-content: space-between; align-items: baseline; }
.phone-piggy-label { font-weight: 600; font-size: 14px; color: var(--green-text); display: flex; align-items: center; gap: 5px; }
.phone-piggy-val { font-family: 'IBM Plex Mono', monospace; font-weight: 700; font-size: 15px; color: var(--green-text); }
.phone-piggy-progress { height: 5px; background: var(--green-border); border-radius: 99px; margin-top: 9px; }
.phone-piggy-progress-fill { height: 5px; background: var(--green); border-radius: 99px; }
.phone-piggy-sub { font-size: 10.5px; color: #4E7A5D; margin-top: 7px; }
.phone-tabbar {
  display: flex; justify-content: space-between; font-family: 'IBM Plex Mono', monospace; font-size: 8.5px;
  letter-spacing: 0.08em; color: var(--muted2); margin-top: 16px; padding: 0 4px;
}
.phone-tab-active { color: var(--link); border: 1px solid var(--accent); border-radius: 6px; padding: 2px 5px; margin: -3px 0; }

/* Feature chips / illustrations */
.feature-chips { display: flex; gap: 8px; margin-top: auto; padding-top: 8px; flex-wrap: wrap; }
.chip { font-family: 'IBM Plex Mono', monospace; font-size: 11px; padding: 5px 10px; border-radius: 8px; }
.chip-accent { background: var(--accent-light); color: var(--link-hover); }
.chip-yellow { background: var(--yellow-chip); color: var(--yellow-text); }
.chip-green { background: var(--green-light); color: var(--green-text); }

.feature-illustration {
  margin-top: auto; padding-top: 8px; display: flex; align-items: center; gap: 10px;
  border-radius: 12px; padding: 12px 14px; font-family: 'IBM Plex Mono', monospace; font-size: 12px;
}
.illustration-neutral { background: var(--bg); justify-content: space-between; }
.illustration-warn { background: var(--accent-light); color: var(--link-hover); }
.illustration-green { background: var(--green-light); color: var(--green-text); justify-content: space-between; }
.strike-mono { color: var(--muted2); text-decoration: line-through; }
.illustration-arrow { color: var(--link); }
.illustration-positive { color: var(--green); font-weight: 600; }
.illustration-code { font-weight: 700; color: var(--link); letter-spacing: 0.2em; }
.feature-illustration-bold { font-weight: 700; }
.feature-big-num { margin-top: auto; padding-top: 8px; font-family: 'IBM Plex Mono', monospace; font-size: 20px; font-weight: 700; color: var(--green); }
.feature-big-num span { font-size: 11px; font-weight: 400; color: var(--muted2); letter-spacing: 0.08em; }

/* Method */
.method-grid { display: grid; grid-template-columns: 0.9fr auto 1fr 1fr 1fr; gap: 16px; align-items: stretch; }
.method-card { background: var(--card); border-radius: 20px; padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.method-main { border: 1.5px dashed var(--border-dashed); }
.method-accent { border-top: 4px solid var(--accent); }
.method-yellow { border-top: 4px solid var(--yellow-border); }
.method-green { border-top: 4px solid var(--green); }
.method-card p { margin: 0; color: var(--text2); line-height: 1.5; font-size: 14px; }
.method-label { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.12em; color: var(--muted2); }
.method-label-accent { color: var(--link-hover); }
.method-label-yellow { color: var(--yellow-text); }
.method-label-green { color: var(--green-text); }
.method-arrow { display: flex; align-items: center; justify-content: center; font-family: 'IBM Plex Mono', monospace; font-size: 20px; color: var(--link); }

.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.benefit { display: flex; gap: 12px; align-items: baseline; }
.benefit-check { font-family: 'IBM Plex Mono', monospace; color: var(--link); font-size: 13px; }
.benefit p { margin: 0; color: #3E362F; font-size: 15px; line-height: 1.5; }

.rule-banner {
  margin-top: 28px; background: var(--dark-bg); border-radius: 16px; padding: 18px 24px;
  display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap;
}
.rule-label { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.12em; color: var(--accent-light-dark); white-space: nowrap; }
.rule-banner p { margin: 0; color: var(--text-dark); font-size: 15px; line-height: 1.5; }

/* Demo */
.demo-card { background: var(--dark-card); border-radius: 24px; padding: 32px; }
.demo-top { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; }
.demo-label { font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.1em; color: var(--muted2); }
.demo-value { font-family: 'IBM Plex Mono', monospace; font-size: 28px; font-weight: 700; color: var(--heading-dark); white-space: nowrap; flex-shrink: 0; }
.demo-slider { width: 100%; margin: 16px 0 32px; cursor: pointer; }
.demo-bars { display: flex; align-items: flex-end; gap: 10px; height: 150px; }
.demo-bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; justify-content: flex-end; height: 150px; }
.demo-bar-val { font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; }
.demo-bar { width: 100%; border-radius: 6px 6px 3px 3px; }
.demo-bar-week { font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: 0.08em; color: var(--muted); }
.demo-status { margin-top: 28px; border-radius: 14px; padding: 16px 20px; display: flex; gap: 12px; align-items: baseline; }
.demo-status-icon { font-family: 'IBM Plex Mono', monospace; font-size: 14px; font-weight: 700; }
.demo-status-title { font-weight: 600; font-size: 16px; }
.demo-status-text { font-size: 14px; margin-top: 3px; color: var(--text2-dark); }
.demo-footnote { margin-top: 20px; font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted); }

.step-num { font-family: 'IBM Plex Mono', monospace; font-size: 32px; font-weight: 700; color: var(--accent); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--card); border-radius: 16px; padding: 20px 24px; }
.faq-item summary { font-weight: 600; font-size: 17px; }
.faq-item p { margin: 12px 0 0; color: var(--text2); line-height: 1.55; font-size: 15px; }

/* Final CTA */
.final-cta { text-align: center; padding: 96px 0; }
.final-cta-title { margin: 0 0 16px; font-size: 40px; letter-spacing: -0.02em; text-wrap: balance; font-weight: 700; }
.final-cta-sub { margin: 0 0 32px; color: var(--text2); font-size: 18px; }

/* Footer */
.footer { border-top: 1.5px solid var(--border); }
.footer-inner { padding: 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; }
.footer-tag { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.1em; color: var(--muted2); font-weight: 400; margin-left: 6px; }
.footer-links { display: flex; gap: 24px; font-size: 14px; color: var(--muted); flex-wrap: wrap; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--link); }

/* Кнопка в шапке: на десктопе — полный текст, на мобильном (см. ниже) — короткий "Открыть" */
.cta-short { display: none; }

/* Responsive — 900px: промежуточные (планшетные) структурные правки, бургер-меню сохраняется */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-bottom: 56px; }
  .phone { width: 300px; }
  .hero h1 { font-size: 38px; }
  .grid-3 { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .method-arrow { transform: rotate(90deg); padding: 4px 0; }
  .benefits-grid { grid-template-columns: 1fr; }
  h2 { font-size: 28px; }
  .final-cta-title { font-size: 30px; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 20px; border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-links .btn { margin-top: 16px; text-align: center; }
  .nav-burger { display: block; }
  .section { padding: 56px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* Responsive — 640px и уже: отдельный мобильный дизайн (по хендоффу
   design_handoff.../mobile_version), не просто уменьшенный десктоп.
   Шапка без бургера и без ссылок — только бренд и короткая кнопка. */
@media (max-width: 640px) {
  .container, .container-narrow, .container-faq { padding: 0 20px; }
  .nav-inner { padding: 16px 20px; }
  .nav-burger { display: none; }
  .nav-links {
    display: flex !important; position: static; flex-direction: row; align-items: center;
    background: none; border-bottom: none; padding: 0; gap: 0;
  }
  .nav-links a:not(.btn) { display: none; }
  .nav-links .btn { margin-top: 0; padding: 9px 16px; border-radius: 11px; font-size: 14px; }
  .cta-full { display: none; }
  .cta-short { display: inline; }

  .hero-inner { padding: 28px 20px 56px; gap: 20px; }
  .hero-copy { gap: 20px; }
  .eyebrow-pill { font-size: 11px; padding: 6px 12px; }
  .hero h1 { font-size: 34px; line-height: 1.12; }
  .lead { font-size: 16.5px; max-width: none; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions .btn { text-align: center; }
  .hero-tags { justify-content: center; font-size: 11px; gap: 8px 14px; }
  .hero-phone-wrap { margin-top: 12px; }
  .phone { width: 320px; border-radius: 42px; padding: 10px; box-shadow: 0 28px 56px -22px rgba(74,42,26,0.35); }
  .phone-screen { border-radius: 34px; }

  .section { padding: 56px 0; }
  h2 { font-size: 26px; margin-bottom: 28px; }
  .section-lead { font-size: 15px; }
  .grid { gap: 14px; }
  .card, .feature-card, .step-card { padding: 22px; border-radius: 18px; }
  .card-title, .feature-card .card-title, .step-card .card-title { font-size: 17px; }
  .card p, .feature-card p, .step-card p { font-size: 14.5px; }

  .method-grid { gap: 12px; }
  .method-card { padding: 20px; border-radius: 18px; }
  .method-accent, .method-yellow, .method-green { border-top: none; border-left: 4px solid; }
  .method-accent { border-left-color: var(--accent); }
  .method-yellow { border-left-color: var(--yellow-border); }
  .method-green { border-left-color: var(--green); }
  .rule-banner { flex-direction: column; gap: 8px; }

  .demo-card { padding: 22px 18px; }
  .demo-label { font-size: 11px; }
  .demo-value { font-size: 26px; }
  .demo-slider { margin: 14px 0 24px; }
  .demo-bars { height: 120px; gap: 6px; }
  .demo-bar-col { height: 120px; gap: 5px; }
  .demo-bar { border-radius: 5px 5px 2px 2px; }
  .demo-bar-val { font-size: 9px; }
  .demo-bar-week { font-size: 8.5px; }
  .demo-status { padding: 14px 16px; border-radius: 14px; }
  .demo-status-title { font-size: 14.5px; }
  .demo-status-text { font-size: 13px; }
  .demo-footnote { font-size: 10.5px; line-height: 1.6; }

  .faq-item { padding: 16px 18px; border-radius: 14px; }
  .faq-item summary { font-size: 15.5px; }
  .faq-item p { font-size: 14.5px; margin-top: 10px; }
  .faq-list { gap: 10px; }

  .final-cta { padding: 64px 0; }
  .final-cta-title { font-size: 28px; }
  .final-cta .btn-xl { display: block; }

  .footer-inner { gap: 18px; }
  .footer-tag { display: none; }
  .footer-links { flex-direction: column; gap: 10px; font-size: 14px; }
  .footer-link-extra { display: none; }

  .floating-cta { left: 20px; right: 20px; bottom: 16px; text-align: center; }
}

/* Плавающая кнопка — следует за прокруткой, появляется после хиро.
   Особенно важна на мобильном: там кнопка в шапке спрятана в бургер-меню. */
.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  padding: 14px 24px;
  box-shadow: 0 12px 28px -8px rgba(74,42,26,0.45);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}