/* SOLTERS — voice-agents landing (30.07.2026)
   Токены цвета из /assets/css/tokens_colors.css (канон solters.ru), не изобретаем свои.
   Тёмные секции — RSY-палитра #0A0D12→#171C24, glassmorphism blur 10–26px saturate 1.4–1.7. */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-body);
  background: var(--bg-app);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: Onest, Inter, sans-serif; margin: 0; color: var(--text-strong); }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: "JetBrains Mono", monospace; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  padding: 14px 20px;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 10px 18px; border-radius: 16px;
  background: linear-gradient(160deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(10,13,18,.08);
}
.nav-logo { font-family: Onest, sans-serif; font-weight: 800; font-size: 18px; color: var(--ink); letter-spacing: -.02em; }
.nav-logo span { color: var(--brand-ink); }
.nav-links { display: flex; gap: 22px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-muted); transition: color .15s; }
.nav-links a:hover { color: var(--text-strong); }
.nav-cta .btn { padding: 10px 18px; font-size: 14px; }
.nav-menu-btn {
  display: none; width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); align-items: center; justify-content: center;
  cursor: pointer;
}
.mobile-menu {
  display: none; position: absolute; top: 100%; left: 20px; right: 20px; margin-top: 8px;
  flex-direction: column; gap: 2px; padding: 12px; border-radius: 14px;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  box-shadow: 0 12px 32px rgba(10,13,18,.16);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px 10px; font-size: 15px; font-weight: 500; border-radius: 8px; }
.mobile-menu a:active { background: var(--bg-subtle); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 12px; font-weight: 600; font-size: 15px;
  border: none; cursor: pointer; transition: transform .12s, box-shadow .12s, background .15s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-lime { background: var(--brand); color: var(--on-brand); }
.btn-lime:hover { background: var(--brand-strong); }
.btn-ink { background: var(--action); color: var(--on-action); }
.btn-ink:hover { background: var(--action-hover); }
.btn-ghost { background: transparent; color: var(--text-strong); border: 1px solid var(--border-strong); }
.btn-ghost:hover { background: var(--surface-hover); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* ============ SECTION SHELLS ============ */
section { padding: 88px 0; position: relative; }
.section-light { background: var(--surface); }
.section-alt { background: var(--bg-app); }
.section-dark {
  background: linear-gradient(180deg, #0A0D12 0%, #171C24 100%);
  color: #dfe3ea;
  overflow: hidden;
}
.section-dark h2, .section-dark h3 { color: #f3f5f8; }
.section-dark .kicker { color: var(--lime-400); }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; color: var(--brand-ink); margin-bottom: 14px;
}
.kicker::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.h2 .accent { color: var(--brand-ink); }
.section-dark .h2 .accent { color: var(--lime-400); }
.lede { margin-top: 14px; font-size: 17px; color: var(--text-muted); line-height: 1.5; }
.section-dark .lede { color: #9aa2b1; }

/* ============ GLASS DECOR (dark sections) — реальный <img> с alt (SEO §5а ТЗ) ============ */
.glass-decor-wrap { position: absolute; inset: 0; overflow: hidden; z-index: 0; pointer-events: none; }
.glass-decor {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55;
  filter: saturate(1.5);
}
.glass-decor.pos-hero { object-position: -60px 50%; }
.glass-decor.pos-audio { object-position: -40px 50%; }
.glass-decor.pos-cta { object-position: -20px 50%; }
.glass-decor-wrap::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,13,18,.15) 0%, rgba(10,13,18,.75) 55%, #0A0D12 85%);
}
.section-dark .wrap { position: relative; z-index: 1; }

/* деградация glass/blur на мобильных и слабых устройствах (ловушка §6.5 ТЗ, ред.2 —
   backdrop-filter дорог на слабых устройствах): ниже 768px снижаем blur и глушим декор-фото
   плотной подложкой, чтобы читаемость текста не зависела от поддержки backdrop-filter. */
.glasscard { backdrop-filter: blur(26px) saturate(1.6); -webkit-backdrop-filter: blur(26px) saturate(1.6); }
@media (max-width: 768px) {
  .glasscard { backdrop-filter: blur(12px) saturate(1.3); -webkit-backdrop-filter: blur(12px) saturate(1.3); }
  .glass-decor { opacity: .32; }
  .glass-decor-wrap::after { background: linear-gradient(100deg, rgba(10,13,18,.55) 0%, rgba(10,13,18,.88) 45%, #0A0D12 75%); }
}
@media (prefers-reduced-motion: reduce) {
  .glasscard { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
  .glass-decor { opacity: .25; }
}
@supports not (backdrop-filter: blur(1px)) {
  /* браузеры без backdrop-filter: плотная подложка вместо стекла — читаемость не теряется */
  .glasscard, .nav-inner { background: rgba(20,24,31,.94) !important; }
  .nav-inner { background: rgba(255,255,255,.96) !important; }
}

/* ============ HERO ============ */
.hero { padding: 120px 0 90px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-copy .kicker { color: var(--lime-400); }
.hero-h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 800; line-height: 1.08; letter-spacing: -.02em; color: #fff; }
.hero-h1 .accent { color: var(--lime-400); }
.hero-sub { margin-top: 18px; font-size: 18px; color: #b7bfcc; max-width: 540px; line-height: 1.55; }
.hero-cta-row { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-chips { margin-top: 28px; display: flex; gap: 10px; flex-wrap: wrap; }
.hero-chip {
  font-size: 13px; padding: 8px 14px; border-radius: 999px; color: #dfe3ea;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
}
.hero-card {
  border-radius: 20px; padding: 28px;
  background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}
.hero-card-label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: #79818f; margin-bottom: 14px; }
.hero-stat-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.hero-stat-row:last-child { border-bottom: none; }
.hero-stat-num { font-family: Onest, sans-serif; font-weight: 800; font-size: 22px; color: var(--lime-400); }
.hero-stat-label { font-size: 13px; color: #9aa2b1; }

/* ============ SCENARIOS ============ */
.scen-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.scen-card {
  border: 1px solid var(--border); border-radius: 18px; padding: 26px;
  background: var(--surface); transition: box-shadow .18s, transform .18s;
}
.scen-card:hover { box-shadow: 0 16px 40px rgba(10,13,18,.08); transform: translateY(-3px); }
.scen-title { font-size: 17px; font-weight: 700; color: var(--text-strong); margin-bottom: 8px; }
.scen-desc { font-size: 14.5px; color: var(--text-muted); line-height: 1.5; }
.scen-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.scen-tag { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--bg-subtle); color: var(--text-subtle); }
.scen-stats { display: flex; gap: 18px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--divider); }
.scen-stat-val { font-weight: 800; font-size: 15px; color: var(--brand-ink); }
.scen-stat-lbl { font-size: 11.5px; color: var(--text-subtle); }

/* ============ CASE NUMBERS (dark) ============ */
.case-hero { text-align: center; max-width: 780px; margin: 0 auto; }
.case-quote { font-size: clamp(20px, 2.6vw, 28px); font-weight: 600; color: #f3f5f8; line-height: 1.4; }
.case-quote b { color: var(--lime-400); }
.case-stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; max-width: 900px; margin-left: auto; margin-right: auto; }
.case-stat-card {
  padding: 26px; border-radius: 16px; text-align: center;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
}
.case-stat-num { font-family: Onest, sans-serif; font-weight: 800; font-size: 34px; color: var(--lime-400); }
.case-stat-lbl { font-size: 13px; color: #9aa2b1; margin-top: 6px; }
.case-source { margin-top: 22px; font-size: 13px; color: #79818f; }

/* ============ CALCULATOR ============ */
.calc-box {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 44px;
  border: 1px solid var(--border); border-radius: 20px; padding: 36px; background: var(--surface);
}
.calc-field { margin-bottom: 22px; }
.calc-field label { display: block; font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; }
.calc-field input[type=range] { width: 100%; accent-color: var(--brand-strong); }
.calc-val { font-weight: 800; color: var(--brand-ink); font-family: Onest, sans-serif; }
.calc-result { background: var(--bg-app); border-radius: 16px; padding: 26px; }
.calc-result-num { font-family: Onest, sans-serif; font-weight: 800; font-size: 40px; color: var(--text-strong); }
.calc-result-lbl { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.calc-note { margin-top: 16px; font-size: 12.5px; color: var(--text-subtle); line-height: 1.5; }
.calc-breakdown { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.calc-breakdown-row { display: flex; justify-content: space-between; font-size: 13.5px; color: var(--text-muted); }

/* ============ PROCESS ============ */
.proc-list { display: flex; flex-direction: column; gap: 0; margin-top: 44px; }
.proc-step { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--divider); }
.proc-step:last-child { border-bottom: none; }
.proc-num {
  width: 48px; height: 48px; border-radius: 12px; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-family: Onest, sans-serif;
}
.proc-title { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.proc-desc { font-size: 15px; color: var(--text-muted); line-height: 1.55; max-width: 640px; }

/* ============ TRIPWIRE (dark) ============ */
.tw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 44px; }
.tw-card {
  border-radius: 20px; padding: 30px; position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.14);
}
.tw-card.popular { border-color: var(--lime-400); }
.tw-badge {
  position: absolute; top: -12px; right: 24px; background: var(--lime-400); color: var(--ink);
  font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px;
}
.tw-name { font-size: 14px; font-weight: 700; letter-spacing: .04em; color: #9aa2b1; text-transform: uppercase; }
.tw-price { font-family: Onest, sans-serif; font-weight: 800; font-size: 36px; color: #fff; margin-top: 10px; }
.tw-price small { font-size: 15px; font-weight: 500; color: #9aa2b1; }
.tw-desc { margin-top: 8px; font-size: 14px; color: #9aa2b1; }
.tw-features { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.tw-features li { font-size: 14px; color: #dfe3ea; display: flex; gap: 8px; align-items: flex-start; }
.tw-features li::before { content: "✓"; color: var(--lime-400); font-weight: 700; flex: none; }
.tw-upsell-note { text-align: center; margin-top: 36px; font-size: 15px; color: #9aa2b1; }
.tw-upsell-note b { color: var(--lime-400); }
.tw-form-toggle { text-align: center; margin-top: 28px; }

/* ============ PRICING ============ */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; align-items: stretch; }
.price-card {
  border: 1px solid var(--border); border-radius: 20px; padding: 30px; background: var(--surface);
  display: flex; flex-direction: column; position: relative;
}
.price-card.popular { border: 2px solid var(--brand-strong); box-shadow: 0 20px 50px rgba(175,237,74,.18); }
.price-badge {
  position: absolute; top: -13px; left: 24px; background: var(--brand); color: var(--on-brand);
  font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px;
}
.price-name { font-size: 15px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--text-muted); }
.price-value { font-family: Onest, sans-serif; font-weight: 800; font-size: 34px; margin-top: 10px; color: var(--text-strong); }
.price-value small { font-size: 14px; font-weight: 500; color: var(--text-muted); }
.price-desc { margin-top: 8px; font-size: 14px; color: var(--text-muted); min-height: 40px; }
.price-features { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.price-features li { font-size: 13.5px; color: var(--text-body); display: flex; gap: 8px; align-items: flex-start; }
.price-features li::before { content: "✓"; color: var(--brand-ink); font-weight: 700; flex: none; }
.price-units {
  margin-top: 44px; display: flex; justify-content: center; gap: 32px; flex-wrap: wrap;
  padding: 20px; border-radius: 14px; background: var(--bg-subtle);
}
.price-unit { text-align: center; font-size: 14px; color: var(--text-muted); }
.price-unit b { display: block; font-family: Onest, sans-serif; font-size: 18px; color: var(--text-strong); }
.price-legal { text-align: center; margin-top: 18px; font-size: 12.5px; color: var(--text-subtle); }

/* ============ UPSELL (Г4) ============ */
.upsell-box {
  margin-top: 40px; display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center;
  border: 1px dashed var(--border-strong); border-radius: 16px; padding: 22px 26px; background: var(--bg-subtle);
}
.upsell-icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); color: var(--brand-ink);
  display: flex; align-items: center; justify-content: center; font-size: 20px; flex: none;
}
.upsell-title { font-size: 15px; font-weight: 700; color: var(--text-strong); }
.upsell-desc { font-size: 13.5px; color: var(--text-muted); margin-top: 3px; }

/* ============ AUDIO EXAMPLES (dark) ============ */
.audio-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 44px; }
.audio-card {
  border-radius: 16px; padding: 22px;
  background: linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.12);
}
.audio-card-title { font-size: 15px; font-weight: 700; color: #f3f5f8; }
.audio-card-desc { font-size: 13px; color: #9aa2b1; margin-top: 4px; margin-bottom: 16px; }
.audio-player { display: flex; align-items: center; gap: 12px; background: rgba(0,0,0,.25); border-radius: 12px; padding: 10px 14px; }
.audio-play-btn {
  width: 38px; height: 38px; border-radius: 50%; background: var(--lime-400); border: none;
  color: var(--ink); display: flex; align-items: center; justify-content: center; cursor: pointer; flex: none;
  font-size: 14px;
}
.audio-track { flex: 1; height: 4px; border-radius: 2px; background: rgba(255,255,255,.15); position: relative; cursor: pointer; }
.audio-track-fill { height: 100%; border-radius: 2px; background: var(--lime-400); width: 0%; }
.audio-time { font-size: 12px; color: #9aa2b1; font-variant-numeric: tabular-nums; flex: none; }

/* ============ CALL WIDGET (compact) ============ */
.callw {
  margin-top: 0; border-radius: 18px; padding: 26px 30px; display: grid;
  grid-template-columns: 1fr auto; gap: 24px; align-items: center;
  background: var(--bg-subtle); border: 1px solid var(--border);
}
.callw-title { font-size: 16px; font-weight: 700; color: var(--text-strong); }
.callw-title span { color: var(--brand-ink); }
.callw-desc { font-size: 13.5px; color: var(--text-muted); margin-top: 4px; }
.callw-form { display: flex; gap: 10px; flex-wrap: wrap; }
.callw-form input[type=tel] {
  padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border-strong); font-size: 14px; min-width: 190px;
}
.callw-consent { font-size: 11px; color: var(--text-subtle); margin-top: 8px; max-width: 320px; }
.callw-status { font-size: 13px; margin-top: 8px; }
.callw-status.ok { color: var(--ok-ink); }
.callw-status.err { color: var(--risk-ink); }

/* ============ FAQ ============ */
.faq-list { margin-top: 40px; max-width: 820px; margin-left: auto; margin-right: auto; }
.faq-item { border-bottom: 1px solid var(--divider); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; padding: 20px 4px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; cursor: pointer;
  font-size: 15.5px; font-weight: 600; color: var(--text-strong);
}
.faq-q .chev { transition: transform .2s; flex: none; color: var(--text-subtle); }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner { padding: 0 4px 20px; font-size: 14.5px; color: var(--text-muted); line-height: 1.6; }

/* ============ FINAL CTA (dark) ============ */
.cta-box {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start;
}
.cta-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; color: #fff; line-height: 1.15; }
.cta-sub { margin-top: 14px; font-size: 16px; color: #b7bfcc; line-height: 1.55; }
.cta-features { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.cta-features li { font-size: 14.5px; color: #dfe3ea; display: flex; gap: 10px; }
.cta-features li::before { content: "✓"; color: var(--lime-400); font-weight: 800; flex: none; }
.cta-meta { margin-top: 26px; font-size: 13.5px; color: #79818f; }
.cta-form-card {
  border-radius: 20px; padding: 30px;
  background: linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.15);
}
.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 12.5px; color: #9aa2b1; margin-bottom: 6px; }
.form-field input, .form-field select {
  width: 100%; padding: 13px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06); color: #fff; font-size: 14.5px;
}
.form-field input::placeholder { color: #5b626e; }
.form-consent { display: flex; gap: 10px; align-items: flex-start; margin: 16px 0; font-size: 12px; color: #79818f; }
.form-consent input { margin-top: 3px; }
.form-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { margin-top: 12px; font-size: 13.5px; min-height: 18px; }
.form-status.ok { color: #9fe030; }
.form-status.err { color: #ff9195; }

/* ============ FOOTER ============ */
.footer { background: #0A0D12; color: #9aa2b1; padding: 60px 0 30px; }
.fgrid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 32px; }
.fcol h5 { font-size: 13px; color: #5b626e; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }
.fcol a, .fcol span { display: block; font-size: 14px; color: #9aa2b1; margin-bottom: 10px; }
.fcol a:hover { color: var(--lime-400); }
.fbrand p { margin-top: 12px; font-size: 13.5px; color: #79818f; line-height: 1.5; max-width: 280px; }
.fbot { margin-top: 44px; padding-top: 24px; border-top: 1px solid #1e242e; display: flex; justify-content: space-between; font-size: 12.5px; color: #5b626e; flex-wrap: wrap; gap: 8px; }

/* ============ TAP-ЦЕЛИ И ФОРМЫ (ловушка §6.5 ред.2 ТЗ: ≥44px, font-size ≥16px, inputmode) ==
   Применяется на ВСЕХ брейкпоинтах, не только мобильных — тач возможен и на планшете/десктопе. */
.btn, .faq-q, .nav-menu-btn, .audio-play-btn, .price-badge, .tw-badge { min-height: 44px; }
.audio-play-btn { min-width: 44px; }
.form-field input, .form-field select,
.callw-form input, .callw-form select,
input[type=tel], input[type=text], input[type=email] {
  font-size: 16px; /* iOS: <16px триггерит авто-zoom и ломает вёрстку при фокусе */
  min-height: 44px;
}
.form-consent input[type=checkbox], .callw-consent input[type=checkbox] { width: 18px; height: 18px; flex: none; }

/* ============ RESPONSIVE: брейкпоинты 1280 / 768 / 480 (мобильный ≤480 покрывает целевой вьюпорт 375; §6.5 ред.2 ТЗ) ============ */

/* ≤1280px — планшет-ландшафт/малый десктоп: чуть уже сетки, без структурных изменений */
@media (max-width: 1280px) {
  .wrap { padding: 0 20px; }
  .hero-grid { gap: 32px; }
  .scen-grid { gap: 16px; }
}

/* ≤768px — планшет: то же поведение, что на старой странице (эталон — её media-queries):
   навигация сворачивается в бургер, многоколоночные сетки → 2 колонки, CTA на всю ширину. */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-menu-btn { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-cta-row { flex-direction: column; align-items: stretch; }
  .hero-cta-row .btn { width: 100%; }
  .scen-grid { grid-template-columns: repeat(2, 1fr); }
  .tw-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .audio-grid { grid-template-columns: 1fr; }
  .audio-card[style] { grid-column: auto !important; }
  .cta-box { grid-template-columns: 1fr; }
  .calc-box { grid-template-columns: 1fr; }
  .fgrid { grid-template-columns: 1fr 1fr; }
  .case-stat-grid { grid-template-columns: 1fr 1fr; }
  h1.hero-h1, .hero-h1 { font-size: clamp(28px, 6vw, 40px); }
  .h2 { font-size: clamp(24px, 5vw, 32px); }
}

/* ≤375px (минимальный целевой вьюпорт) — полный стек в одну колонку, полноширинные CTA,
   как на старой мобильной версии: секции стекируются, кнопки full-width, без горизонтального
   скролла ни в одном блоке. */
@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  section { padding: 52px 0; }
  .scen-grid { grid-template-columns: 1fr; }
  .case-stat-grid { grid-template-columns: 1fr; }
  .callw { grid-template-columns: 1fr; text-align: left; }
  .callw-form { flex-direction: column; align-items: stretch; }
  .callw-form input[type=tel] { min-width: 0; width: 100%; }
  .callw-form .btn { width: 100%; }
  .hero-cta-row .btn, .btn-block { width: 100%; }
  .nav-cta .btn { width: auto; }
  .fgrid { grid-template-columns: 1fr; }
  .price-units { flex-direction: column; gap: 14px; }
  .upsell-box { grid-template-columns: 1fr; text-align: center; }
  .upsell-icon { margin: 0 auto; }
  .tw-price, .price-value { font-size: 28px; }
  .case-stat-num { font-size: 26px; }
  .hero-h1 { font-size: 28px; }
  .h2 { font-size: 24px; }
  /* полноширинные CTA на мобильном — как на старом лендинге */
  .price-card .btn, .tw-card .btn { width: 100%; }
}