/* ==========================================================================
   REPAIR GURU — MAIN STYLESHEET
   Design system: "Diagnostic Panel" — inspired by appliance control dials
   and technician service tickets.
   ========================================================================== */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Colors */
  --color-bg: #F4F6F5;
  --color-bg-alt: #FFFFFF;
  --color-ink: #16232B;
  --color-primary: #1B3A4B;
  --color-primary-dark: #102530;
  --color-primary-light: #2C5266;
  --color-accent: #E8791C;
  --color-accent-dark: #C4650F;
  --color-accent-light: #FCEEE0;
  --color-success: #2F8F5B;
  --color-line: #DEE4E3;
  --color-muted: #5B6B72;
  --color-white: #FFFFFF;

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6.5rem;

  /* Layout */
  --container-width: 1180px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(16, 37, 48, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 37, 48, 0.10);
  --shadow-lg: 0 20px 48px rgba(16, 37, 48, 0.16);
  --header-height: 84px;
  --transition: 0.25s ease;
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: hidden; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-primary);
  line-height: 1.15;
  font-weight: 700;
}

h1 { font-size: clamp(2.4rem, 4.5vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); letter-spacing: -0.01em; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }

p { color: var(--color-muted); }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* ---------- 3. LAYOUT HELPERS ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section { padding: var(--space-7) 0; }
.section-alt { background: var(--color-bg-alt); }

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-5);
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: var(--color-accent-light);
  border: 1px solid rgba(232, 121, 28, 0.25);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: var(--space-2);
}

.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 121, 28, 0.25);
}

.section-head p { margin-top: var(--space-2); font-size: 1.05rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-items: center; }

/* ---------- 4. BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.7rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-line);
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-bg-alt); transform: translateY(-2px); }

.btn-light {
  background: var(--color-white);
  color: var(--color-primary);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.6rem 1.1rem; font-size: 0.88rem; }

/* ---------- 5. HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(244, 246, 245, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--color-line);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-primary);
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg { width: 22px; height: 22px; }

.logo-text span { display: block; font-family: var(--font-mono); font-size: 0.65rem; font-weight: 500; letter-spacing: 0.1em; color: var(--color-muted); text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: var(--space-4); }
.nav-links { display: flex; gap: var(--space-3); }
.nav-links a {
  font-weight: 500;
  font-size: 0.96rem;
  color: var(--color-ink);
  position: relative;
  padding: 0.4rem 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--color-primary); font-weight: 700; }

.header-cta { display: flex; align-items: center; gap: var(--space-3); }

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: var(--color-bg-alt);
}
.nav-toggle span { width: 20px; height: 2px; background: var(--color-primary); transition: var(--transition); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. HERO ---------- */
.hero {
  padding: var(--space-6) 0 var(--space-7);
  position: relative;
  overflow: hidden;
}

.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-5); align-items: center; }

.hero-copy h1 { margin-bottom: var(--space-2); }
.hero-copy .lead { font-size: 1.12rem; max-width: 480px; margin-bottom: var(--space-4); }

.hero-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-5); }

.trust-strip { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.trust-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.88rem; font-weight: 600; color: var(--color-primary); }
.led-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--color-success); box-shadow: 0 0 0 3px rgba(47, 143, 91, 0.2); flex-shrink: 0; }

.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }

.service-panel {
  width: 100%;
  max-width: 400px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  animation: panel-in 0.7s ease both;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-rating {
  text-align: center;
  margin-bottom: var(--space-3);
}
.panel-rating strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  color: var(--color-white);
}
.panel-rating span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
}
.panel-item {
  background: var(--color-white);
  border-radius: 14px;
  padding: 1.1rem 0.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}
.panel-item svg { width: 34px; height: 34px; }
.panel-item span { font-size: 0.8rem; font-weight: 700; color: var(--color-primary); }
.panel-item-wide { grid-column: span 2; flex-direction: row; justify-content: center; padding: 0.8rem; }
.panel-item-wide svg { width: 28px; height: 28px; }

/* ---------- 7. SERVICE CARDS ---------- */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }

.service-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }

.service-icon {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}
.service-icon svg { width: 42px; height: 42px; stroke: var(--color-white); }

.service-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-muted);
  letter-spacing: 0.05em;
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
}

.service-card h3 { margin-bottom: 0.5rem; }
.service-card p { font-size: 0.92rem; margin-bottom: var(--space-2); }
.service-card .price-tag { font-family: var(--font-mono); font-weight: 700; color: var(--color-accent-dark); font-size: 0.95rem; }
.service-card .price-tag span { color: var(--color-muted); font-weight: 500; font-size: 0.8rem; }

.service-card ul { margin: var(--space-2) 0; }
.service-card ul li { font-size: 0.88rem; color: var(--color-muted); padding-left: 1.2rem; position: relative; margin-bottom: 0.4rem; }
.service-card ul li::before { content: '✓'; position: absolute; left: 0; color: var(--color-success); font-weight: 700; }

/* ---------- 8. WHY CHOOSE US ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.why-item { position: relative; padding-top: var(--space-4); }
.why-tick {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-accent-dark);
  background: var(--color-accent-light);
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.why-item h4 { margin-bottom: 0.4rem; }
.why-item p { font-size: 0.92rem; }

/* ---------- 9. STATS ---------- */
.stats-band {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  color: var(--color-white);
}
.stat-item { text-align: center; }
.stat-item strong { display: block; font-family: var(--font-mono); font-size: 2.1rem; color: var(--color-white); }
.stat-item span { font-size: 0.85rem; color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- 10. REVIEWS ---------- */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.review-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.stars { color: var(--color-accent); font-size: 0.95rem; margin-bottom: var(--space-2); letter-spacing: 2px; }
.review-card p { font-size: 0.94rem; color: var(--color-ink); margin-bottom: var(--space-3); }
.review-author { display: flex; align-items: center; gap: 0.7rem; }
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 0.9rem;
}
.review-author strong { display: block; font-size: 0.9rem; color: var(--color-primary); }
.review-author span { font-size: 0.78rem; color: var(--color-muted); }

/* ---------- 11. FAQ ---------- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--color-primary);
}
.faq-icon { width: 22px; height: 22px; flex-shrink: 0; position: relative; }
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-accent);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; transition: transform var(--transition); }
.faq-item.is-open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg) scale(0); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}
.faq-answer p { padding-bottom: var(--space-3); font-size: 0.95rem; }
.faq-item.is-open .faq-answer { max-height: 300px; }

/* ---------- 12. CTA BAND ---------- */
.cta-band {
  background: var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--color-white); }
.cta-band p { color: rgba(255,255,255,0.85); }
.cta-band .btn-light { color: var(--color-accent-dark); }

/* ---------- 13. FORMS ---------- */
.form-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.field { margin-bottom: var(--space-3); }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-ink);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}
.field textarea { resize: vertical; min-height: 110px; }
.field-note { font-size: 0.78rem; color: var(--color-muted); margin-top: 0.3rem; }
.form-success {
  display: none;
  background: #EAF7EF;
  border: 1px solid rgba(47,143,91,0.3);
  color: var(--color-success);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
}
.form-success.is-visible { display: block; }

/* ---------- 14. INFO CARDS (contact) ---------- */
.info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-bottom: var(--space-5); }
.info-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}
.info-card .service-icon { width: 44px; height: 44px; margin-bottom: 0; flex-shrink: 0; }
.info-card .service-icon svg { width: 22px; height: 22px; }
.info-card h4 { margin-bottom: 0.3rem; }
.info-card p { font-size: 0.9rem; }

.map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--color-line); }
.map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ---------- 15. PAGE HEADER (inner pages) ---------- */
.page-header {
  background: var(--color-primary);
  padding: var(--space-6) 0 var(--space-5);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}
.page-header .eyebrow { background: rgba(255,255,255,0.12); color: var(--color-white); border-color: rgba(255,255,255,0.2); }
.page-header h1 { color: var(--color-white); margin-bottom: var(--space-1); }
.page-header p { color: rgba(255,255,255,0.75); max-width: 560px; }
.breadcrumb { font-family: var(--font-mono); font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: var(--space-2); }
.breadcrumb a { color: var(--color-white); }

/* ---------- 16. LEGAL PAGES ---------- */
.legal-content { max-width: 780px; margin: 0 auto; }
.legal-content h2 { margin-top: var(--space-5); margin-bottom: var(--space-2); }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { margin-bottom: var(--space-2); font-size: 0.98rem; }
.legal-content ul { padding-left: 1.4rem; list-style: disc; }
.legal-content .updated-note { font-family: var(--font-mono); font-size: 0.82rem; color: var(--color-muted); margin-bottom: var(--space-4); }

/* ---------- 17. ABOUT / PROCESS ---------- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); counter-reset: step; }
.process-step { position: relative; padding-left: var(--space-4); }
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent-dark);
  background: var(--color-accent-light);
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  position: absolute; left: 0; top: 0;
}
.process-step h4 { margin-bottom: 0.4rem; }
.process-step p { font-size: 0.9rem; }

/* ---------- 18. FOOTER ---------- */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.75); padding: var(--space-6) 0 var(--space-3); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: var(--space-4); margin-bottom: var(--space-5); }
.footer-brand .logo { color: var(--color-white); }
.footer-brand .logo-mark { background: var(--color-accent); }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.92rem; margin: var(--space-2) 0; max-width: 300px; }
.social-links { display: flex; gap: 0.6rem; }
.social-links a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.social-links a:hover { background: var(--color-accent); }
.social-links svg { width: 16px; height: 16px; stroke: var(--color-white); }

.footer-col h4 { color: var(--color-white); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-2); }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col a { font-size: 0.92rem; color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--color-accent); }

/* ---------- 19. FLOATING BUTTONS ---------- */
.float-actions {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 600;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.float-btn {
  width: 58px; height: 58px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition);
  position: relative;
}
.float-btn:hover { transform: scale(1.08); }
.float-btn svg { width: 26px; height: 26px; }
.float-whatsapp { background: #25D366; }
.float-call { background: var(--color-accent); }

.float-whatsapp::before {
  content: '';
  position: absolute;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  opacity: 0.5;
  animation: pulse-ring 2.2s ease-out infinite;
  z-index: -1;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* ---------- 20. SCROLL REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- 20b. BRAND CHIPS ---------- */
.brands-block { margin-bottom: var(--space-4); }
.brands-block h4 { margin-bottom: 0.9rem; }
.brand-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.brand-chip {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  transition: border-color var(--transition), color var(--transition);
}
.brand-chip:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }

/* ---------- 21. RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-4); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-4); }
  .info-cards { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .hero-inner, .grid-2 { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 280px; margin: 0 auto var(--space-3); }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-bg-alt);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-line);
    box-shadow: var(--shadow-md);
    transform: translateY(-130%);
    transition: transform var(--transition);
    gap: var(--space-3);
  }
  .main-nav.is-open { transform: translateY(0); }
  .nav-links { flex-direction: column; gap: var(--space-2); }
  .header-cta { flex-direction: column; align-items: stretch; }
  .header-phone { justify-content: center; padding: 0.8rem; background: var(--color-bg); border-radius: var(--radius-sm); }
}

@media (max-width: 720px) {
  .form-row { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
  :root { --header-height: 72px; }
  .section { padding: var(--space-6) 0; }
  .services-grid, .why-grid, .reviews-grid, .process-steps { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .float-btn { width: 52px; height: 52px; }
  .float-btn svg { width: 22px; height: 22px; }
  .hero-visual { max-width: 280px; }
  .panel-item svg { width: 28px; height: 28px; }
}