/* ========================================
   ISOLACK RUS - ГЛАВНАЯ СТРАНИЦА (ФИНАЛЬНЫЙ ЧИСТЫЙ CSS)
   Префикс: .avtom-
   ======================================== */

/* === 1. ПЕРЕМЕННЫЕ === */
:root {
  --avtom-primary: #1e3a5f;
  --avtom-secondary: #c9a227;
  --avtom-accent: #2d7a4e;
  --avtom-dark: #0f1e33;
  --avtom-light: #f8f9fa;
  --avtom-gray: #6c757d;
  --avtom-gradient: linear-gradient(135deg, #1e3a5f 0%, #2d7a4e 100%);
  --avtom-gradient-gold: linear-gradient(135deg, #c9a227 0%, #e8c547 100%);
  --avtom-hero-bg: linear-gradient(135deg, rgba(15, 30, 51, 0.95) 0%, rgba(30, 58, 95, 0.85) 100%);
  --avtom-shadow: 0 10px 40px rgba(30, 58, 95, 0.1);
  --avtom-shadow-hover: 0 20px 60px rgba(30, 58, 95, 0.2);
  --avtom-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --avtom-section-padding: 100px;
  --avtom-section-padding-tablet: 70px;
  --avtom-section-padding-mobile: 50px;
  --avtom-hero-padding: 60px 0 80px;
  --avtom-hero-padding-mobile: 40px 0 60px;
}

/* === 2. БЕЗОПАСНЫЕ АНИМАЦИИ === */
.avtom-animate {
  opacity: 1 !important;
  transform: translateY(0) !important;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

html.avtom-js-ready .avtom-animate:not(.avtom-animated) { opacity: 0 !important; }
html.avtom-js-ready .avtom-fade-in-left:not(.avtom-animated) { transform: translateX(-40px) !important; }
html.avtom-js-ready .avtom-fade-in-right:not(.avtom-animated) { transform: translateX(40px) !important; }
html.avtom-js-ready .avtom-slide-up:not(.avtom-animated) { transform: translateY(40px) !important; }
html.avtom-js-ready .avtom-slide-down:not(.avtom-animated) { transform: translateY(-40px) !important; }
html.avtom-js-ready .avtom-animate.avtom-animated { opacity: 1 !important; transform: translate(0, 0) !important; }

.avtom-bounce { animation: avtomBounce 2s infinite; opacity: 1 !important; }

@keyframes avtomBounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

@keyframes avtomFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* === 3. HERO СЕКЦИЯ === */
.avtom-page-wrapper { overflow: hidden; }

.avtom-hero {
  position: relative;
  background: var(--avtom-hero-bg);
  color: #fff;
  padding: var(--avtom-hero-padding);
  overflow: hidden;
  display: flex;
  align-items: center;
  border-radius: 24px !important;
  margin: 20px !important;
}

.avtom-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.avtom-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.avtom-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(201, 162, 39, 0.2);
  border: 1px solid rgba(201, 162, 39, 0.5);
  color: var(--avtom-secondary);
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.avtom-hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.avtom-gradient-text {
  background: var(--avtom-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.avtom-hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 540px;
}

.avtom-hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.avtom-hero-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: avtomFloat 4s ease-in-out infinite;
}

.avtom-cert-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  transition: var(--avtom-transition);
}

.avtom-cert-badge:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.avtom-cert-icon {
  width: 44px;
  height: 44px;
  background: var(--avtom-gradient-gold);
  color: var(--avtom-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.avtom-cert-icon svg { width: 22px; height: 22px; }

.avtom-cert-badge strong { display: block; font-size: 15px; margin-bottom: 2px; color: #fff; }
.avtom-cert-badge small { opacity: 0.7; font-size: 12px; color: #fff; }

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

.avtom-hero-image {
  width: 100%;
  max-width: 560px;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  display: block;
}

.avtom-hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* === 4. ОБЩИЕ СТИЛИ СЕКЦИЙ === */
.avtom-section { padding: var(--avtom-section-padding) 0; position: relative; }
.avtom-bg-light { background: var(--avtom-light); }
.avtom-bg-white { background: #fff; }

.avtom-section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(30, 58, 95, 0.08);
  color: var(--avtom-primary);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.avtom-section-badge-eco {
  background: rgba(45, 122, 78, 0.1);
  color: var(--avtom-accent);
}

.avtom-section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--avtom-dark);
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.avtom-section-subtitle {
  font-size: 1.1rem;
  color: var(--avtom-gray);
  max-width: 640px;
  margin: 0 0 40px;
  line-height: 1.6;
}

.avtom-section-text {
  font-size: 1.05rem;
  color: #4a5568;
  line-height: 1.75;
  margin-bottom: 20px;
}

.avtom-section-text p { margin-bottom: 16px; }

/* === 5. FEATURES GRID === */
.avtom-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.avtom-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: #fff;
  border-radius: 12px;
  transition: var(--avtom-transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.avtom-feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--avtom-shadow);
  border-color: var(--avtom-secondary);
}

.avtom-feature-icon {
  width: 52px;
  height: 52px;
  background: var(--avtom-gradient);
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.avtom-feature-icon svg { width: 26px; height: 26px; }

.avtom-feature h4 { font-size: 16px; font-weight: 700; color: var(--avtom-dark); margin: 0 0 4px; }
.avtom-feature p { font-size: 14px; color: var(--avtom-gray); margin: 0; }

/* === 6. BRANDS GRID (4 колонки / 2 на мобиле) === */
.avtom-brands-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.avtom-brand-card-4 {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  transition: var(--avtom-transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.avtom-brand-card-4:hover {
  transform: translateY(-6px);
  box-shadow: var(--avtom-shadow-hover);
  border-color: var(--avtom-secondary);
}

.avtom-brand-card-4 a {
  display: block;
  text-decoration: none;
  color: inherit;
}

.avtom-brand-logo {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: hidden;
}

.avtom-brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: var(--avtom-transition);
}

.avtom-brand-card-4:hover .avtom-brand-logo img { transform: scale(1.05); }

.avtom-brand-card-4 h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--avtom-dark);
  margin: 0;
  padding: 16px 12px;
  text-align: center;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  letter-spacing: 0.5px;
}

/* === 7. CTA СЕКЦИЯ === */
.avtom-cta { background: var(--avtom-light); padding: 80px 0; }

.avtom-cta-wrapper {
  background: var(--avtom-gradient);
  padding: 80px 60px;
  border-radius: 24px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.avtom-cta-wrapper::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%; width: 60%; height: 200%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.avtom-cta-title { font-size: clamp(2rem, 3.5vw, 2.75rem); font-weight: 800; margin-bottom: 16px; position: relative; }
.avtom-cta-text { font-size: 1.15rem; opacity: 0.9; max-width: 600px; margin: 0 auto 36px; position: relative; }
.avtom-cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }
.avtom-cta-note { margin-top: 24px; font-size: 13px; opacity: 0.75; position: relative; }

/* === 8. КНОПКИ === */
.avtom-btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: var(--avtom-transition);
  cursor: pointer;
  border: 2px solid transparent;
  letter-spacing: 0.5px;
}

.avtom-btn-primary {
  background: var(--avtom-gradient-gold);
  color: var(--avtom-dark);
  border-color: var(--avtom-secondary);
}

.avtom-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 162, 39, 0.4);
  color: var(--avtom-dark);
  text-decoration: none;
}

.avtom-btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.avtom-btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
  text-decoration: none;
}

.avtom-btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.avtom-btn-outline-light:hover {
  background: #fff;
  color: var(--avtom-primary);
  text-decoration: none;
}

.avtom-btn-lg { padding: 16px 40px; font-size: 16px; }

/* === 9. АДАПТИВНОСТЬ === */
@media (max-width: 1199px) {
  .avtom-brands-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 18px; }
}

@media (max-width: 991px) {
  .avtom-hero { padding: var(--avtom-section-padding-tablet) 20px; }
  .avtom-section { padding: var(--avtom-section-padding-tablet) 0; }
  .avtom-cta-wrapper { padding: 60px 30px; }
  .avtom-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .avtom-hero-visual { margin-top: 20px; }
  .avtom-features-grid { grid-template-columns: 1fr; }
  .avtom-brands-grid-4 { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}

@media (max-width: 767px) {
  .avtom-hero {
    padding: var(--avtom-hero-padding-mobile);
    border-radius: 16px !important;
    margin: 10px !important;
  }
  .avtom-section { padding: var(--avtom-section-padding-mobile) 0; }

  .avtom-hero-buttons { flex-direction: column; width: 100%; }
  .avtom-btn { width: 100%; text-align: center; }

  .avtom-hero-scroll { display: none; }

  .avtom-brands-grid-4 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .avtom-brand-card-4 h3 { font-size: 13px; padding: 12px 8px; }
  .avtom-brand-logo { padding: 10px; }

  .avtom-cta { padding: 50px 0; }
  .avtom-cta-wrapper { padding: 50px 20px; }
}

@media (max-width: 480px) {
  .avtom-container { padding: 0 16px; }
  .avtom-brand-card-4 h3 { font-size: 12px; padding: 10px 6px; }
}