:root {
  --bg: #081120;
  --bg-soft: #0f172a;
  --surface: #ffffff;
  --surface-muted: #f3f6fb;
  --text: #0f172a;
  --text-soft: #475569;
  --line: rgba(15, 23, 42, 0.1);
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --accent: #f59e0b;
  --success: #10b981;
  --radius: 24px;
  --shadow: 0 20px 60px rgba(2, 8, 23, 0.12);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: #fff;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(8, 17, 32, 0.84);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.logo {
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.nav a {
  color: rgba(255,255,255,0.84);
  font-size: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: 0 18px 40px rgba(14, 165, 233, 0.22);
}

.btn--secondary {
  background: rgba(255,255,255,0.08);
  box-shadow: none;
  border: 1px solid rgba(255,255,255,0.18);
}

.btn--ghost {
  background: rgba(255,255,255,0.04);
  box-shadow: none;
  border: 1px solid rgba(255,255,255,0.18);
}

.btn--dark {
  background: var(--bg);
  box-shadow: none;
}

.btn--small {
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
}

.hero {
  position: relative;
  padding: 88px 0 72px;
  background:
    radial-gradient(circle at top right, rgba(14,165,233,0.35), transparent 28%),
    radial-gradient(circle at 10% 10%, rgba(245,158,11,0.22), transparent 22%),
    linear-gradient(180deg, #081120 0%, #0f1b33 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-bg, url('./assets/hero-bg.jpg'));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.35;
  z-index: 0;
}
.hero.hero--local-bg {
  --hero-bg: url('./assets/hero-bg.jpg');
}
body.kotlov-hero .hero.hero--local-bg {
  --hero-bg: url('./assets/kotlov-hero-bg.jpg');
}
.hero > .container { position: relative; z-index: 1; }

.hero__grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 32px;
  align-items: start;
}

.badge, .eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: #dbeafe;
}

.eyebrow {
  background: rgba(14,165,233,0.08);
  color: var(--primary-dark);
}

.eyebrow--dark {
  background: rgba(8,17,32,0.08);
  color: var(--bg);
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  margin-top: 20px;
  font-size: clamp(40px, 6vw, 64px);
  max-width: 12ch;
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
  max-width: 16ch;
}

p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.7;
}

.hero p,
.hero a,
.hero li,
.section--dark p,
.section--dark li,
.section__head--light p,
.section__head--light h2,
.section__head--light .eyebrow,
.quote-box p,
.quote-box small {
  color: rgba(255,255,255,0.92);
}

.hero__lead {
  margin-top: 18px;
  max-width: 64ch;
  font-size: 18px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero__facts {
  list-style: none;
  padding: 0;
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.hero__facts li {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}

.hero__facts strong {
  display: block;
  margin-bottom: 6px;
  font-size: 28px;
}

.hero-card,
.card,
.note-box,
.quote-box,
.contact-form,
.price-table,
.step,
.faq details {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 28px;
}

.hero-card h2 {
  font-size: 28px;
  margin-bottom: 18px;
}

.hero-card ul,
.trust-list,
.contact-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-card ul li,
.trust-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
}

.hero-card ul li::before,
.trust-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.hero-card__cta {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.hero-card__cta a {
  display: inline-block;
  margin-top: 10px;
  font-size: 24px;
  font-weight: 700;
}

.hero-card__max {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  font-size: 15px !important;
  font-weight: 600 !important;
  opacity: 0.92;
  margin-top: 14px !important;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 10px;
  text-decoration: none;
  transition: opacity .2s ease, border-color .2s ease;
}
.hero-card__max:hover {
  opacity: 1;
  border-color: rgba(255,255,255,0.55);
}

.section {
  padding: 88px 0;
}

.section--muted { background: var(--surface-muted); }
.section--dark { background: var(--bg); color: #fff; }
.section--accent {
  background: linear-gradient(180deg, #dbeafe 0%, #eff6ff 100%);
}

.section__head {
  margin-bottom: 34px;
}

.section__head h2 {
  margin-top: 16px;
}

.section__head p {
  margin-top: 16px;
  max-width: 68ch;
}

.cards {
  display: grid;
  gap: 20px;
}

.cards--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.card__link {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  font-weight: 700;
  color: var(--primary-dark);
}

.card__link::after {
  content: '→';
  margin-left: 8px;
  transition: transform 0.18s ease;
}

.card__link:hover::after {
  transform: translateX(3px);
}

.price-table {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
}

.price-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
}

.price-row:last-child { border-bottom: 0; }
.price-row span { font-weight: 600; }
.price-row strong { font-size: 20px; }

.note-box {
  margin-top: 20px;
  padding: 22px 24px;
  background: #fff7ed;
  border: 1px solid rgba(245,158,11,0.2);
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.step {
  padding: 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}

.step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  margin-bottom: 16px;
  background: rgba(14,165,233,0.16);
  color: #7dd3fc;
  font-weight: 800;
}

.step h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.trust-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.quote-box {
  padding: 32px;
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
}

.quote-box p {
  font-size: 20px;
}

.quote-box small {
  display: block;
  margin-top: 18px;
  opacity: 0.84;
}

.faq {
  display: grid;
  gap: 16px;
}

.faq details {
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin-top: 14px;
}

.contact-links {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  min-height: 56px;
  padding: 0 20px;
  background: rgba(255,255,255,0.7);
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,0.08);
  font-weight: 700;
}

.contact-form {
  padding: 28px;
  background: #fff;
  border: 1px solid rgba(15,23,42,0.08);
}

.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.contact-form span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(15,23,42,0.12);
  background: #fff;
}

.form-note,
.form-status {
  margin-top: 14px;
  font-size: 14px;
}

.form-status[data-state="success"] { color: var(--success); }
.form-status[data-state="error"] { color: #dc2626; }

.footer {
  padding: 28px 0 40px;
  background: #081120;
  color: rgba(255,255,255,0.84);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.footer p { color: rgba(255,255,255,0.65); }

.footer-nav {
  display: grid;
  gap: 8px;
}

.footer-nav strong {
  color: #fff;
}

.footer-nav a {
  color: rgba(255,255,255,0.84);
}

.footer-nav a:hover {
  color: #fff;
}

.messenger-widget {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.messenger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  color: #fff;
  font-weight: 800;
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 34px rgba(2,8,23,0.24);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}
.messenger::after {
  content: attr(title);
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(8,17,32,0.88);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.messenger:hover,
.messenger:focus-visible {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 20px 42px rgba(2,8,23,0.3);
  filter: saturate(1.08);
}
.messenger:hover::after,
.messenger:focus-visible::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.messenger--phone { background: linear-gradient(135deg, #10b981, #059669); }
.messenger--tg { background: linear-gradient(135deg, #0ea5e9, #2563eb); }
.messenger--max { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }

@media (max-width: 1100px) {
  .hero__grid,
  .trust-grid,
  .contact-grid,
  .cards--3,
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .steps .step:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .topbar__inner,
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    gap: 14px;
  }

  .hero__grid,
  .hero__facts,
  .trust-grid,
  .contact-grid,
  .cards--3,
  .steps {
    grid-template-columns: 1fr;
  }

  .price-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .messenger-widget {
    right: 14px;
    bottom: 14px;
  }
}

/* === Scroll animations === */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }

/* === Logo SVG === */
.logo-svg { display: inline-flex; align-items: center; gap: 10px; }
.logo-svg svg { width: 34px; height: 34px; }

/* === Gallery === */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.gallery__item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  background: var(--surface-muted);
}
.gallery__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery__item:hover img { transform: scale(1.05); }
.gallery__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

/* === Testimonials === */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.testimonial {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.testimonial__stars { color: #f59e0b; letter-spacing: 2px; }
.testimonial__text { margin: 12px 0; font-style: italic; }
.testimonial__author { font-weight: 700; font-size: 14px; }
.testimonial__service { color: var(--text-soft); font-size: 13px; }

/* === CTA final === */
.cta-final {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: var(--radius);
  margin: 60px auto 0;
  max-width: 800px;
}
.cta-final h2 { color: #fff; margin: 0 auto 18px; max-width: 20ch; }
.cta-final p { color: rgba(255,255,255,0.9); margin: 0 auto 28px; max-width: 50ch; }
.cta-final .btn { background: #fff; color: var(--bg); }

/* === Quiz === */
.quiz-box {
  background: var(--surface-muted);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 640px;
}
.quiz-step { display: none; }
.quiz-step.active { display: block; }
.quiz-options { display: grid; gap: 12px; margin-top: 18px; }
.quiz-option {
  padding: 16px 20px;
  border: 2px solid var(--line);
  border-radius: 14px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  text-align: left;
}
.quiz-option:hover { border-color: var(--primary); background: rgba(14,165,233,0.04); }
.quiz-option.selected { border-color: var(--primary); background: rgba(14,165,233,0.08); }
.quiz-nav { display: flex; gap: 12px; margin-top: 24px; }
.quiz-result { display: none; padding: 24px; background: #fff; border-radius: 14px; }
.quiz-result.show { display: block; }
.quiz-progress { height: 4px; background: rgba(14,165,233,0.15); border-radius: 4px; margin-bottom: 24px; }
.quiz-progress-bar { height: 100%; background: var(--primary); transition: width 0.3s ease; }

/* === Mobile nav toggle === */
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 28px; cursor: pointer; padding: 8px; }
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav {
    display: none;
    flex-direction: column;
    width: 100%;
    padding: 12px 0;
    gap: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 12px;
  }
  .nav.open { display: flex; }
  .topbar__inner { flex-wrap: wrap; }
  .topbar__inner .btn { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .container { width: min(var(--container), calc(100% - 24px)); }
  h1 {
    font-size: clamp(34px, 10vw, 44px);
    line-height: 1.08;
    max-width: none;
  }
  h2 {
    font-size: clamp(26px, 8vw, 34px);
    line-height: 1.15;
    max-width: none;
  }
  .hero { padding: 72px 0 56px; }
  .hero__lead { font-size: 16px; line-height: 1.65; }
  .hero-card,
  .card,
  .quote-box,
  .contact-form,
  .price-table,
  .faq details,
  .quiz-box,
  .testimonial { padding: 20px; }
  .hero-card__cta a { font-size: 20px; }
  .hero__facts li { padding: 16px; }
  .price-row { padding: 18px 18px; }
  .messenger-widget {
    right: 10px;
    bottom: 10px;
    gap: 8px;
  }
  .messenger {
    width: 50px;
    height: 50px;
    font-size: 14px;
  }
  .cta-final {
    margin-top: 40px;
    padding: 56px 20px;
    border-radius: 20px;
  }
}

@media (max-width: 420px) {
  .hero__actions .btn,
  .quiz-nav .btn,
  .contact-links a,
  .contact-form button {
    width: 100%;
  }
  .hero-card ul li,
  .trust-list li {
    padding-left: 20px;
  }
  .hero-card,
  .contact-form,
  .quiz-box { border-radius: 20px; }
}

/* ── Week 3: locality / trust-strip / cases ─────────────────────── */

.locality-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.locality-list li {
  display: inline-block;
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.2;
  margin: 0;
}

.locality-list li::before { content: none; }

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.trust-strip__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.trust-strip__item strong {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--fg);
}

.trust-strip__item span {
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.case-card {
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
}

.case-card p {
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  color: var(--fg);
}

.case-card p strong {
  font-weight: 600;
}

.case-card__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  background: var(--bg);
  color: #fff;
  border-radius: 999px;
}

.section--dark .case-card,
.section--dark .trust-strip,
.section--dark .locality-list li {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.12);
}

.section--dark .case-card p,
.section--dark .case-card h3 { color: #fff; }

.section--dark .trust-strip__item strong { color: #fff; }
.section--dark .trust-strip__item span { color: rgba(255,255,255,0.7); }
.section--dark .case-card__tag { background: rgba(255,255,255,0.12); color: #fff; }

@media (max-width: 900px) {
  .cases-grid { grid-template-columns: 1fr; }
  .trust-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .trust-strip { grid-template-columns: 1fr; }
  .case-card { padding: 22px; }
}