/* ===== СОВРЕМЕННЫЙ ДИЗАЙН ДЛЯ ГОРОДСКИХ СЕКЦИЙ EXPERTsmet ===== */

/* CSS переменные для дизайн-системы */
:root {
  --section-spacing: 120px;
  --section-spacing-mobile: 80px;
  --border-radius: 20px;
  --border-radius-small: 12px;
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 20px 60px rgba(0, 0, 0, 0.12);
  --shadow-strong: 0 30px 80px rgba(0, 0, 0, 0.16);
  --gradient-primary: linear-gradient(135deg, #972635 0%, #b13243 100%);
  --gradient-secondary: #264773;
  --gradient-accent: linear-gradient(135deg, #FFAC30 0%, #ffc107 100%);
  --gradient-light: linear-gradient(135deg, #F5F7FA 0%, #ffffff 100%);
  --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Общие стили для секций с современным подходом */
.section {
  padding: var(--section-spacing) 0;
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(151, 38, 53, 0.3), transparent);
}

.section h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 60px;
  text-align: center;
  color: var(--black);
  position: relative;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section h3 {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  color: var(--black);
}

/* (2) Пруф-блок - современный дизайн с градиентами */
.section--proofs {
  background: var(--gradient-light);
  position: relative;
}

.section--proofs::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23972635" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.proofs__headline {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
}

.proofs__num {
  font-size: clamp(64px, 12vw, 120px);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 0.8;
  margin-bottom: 30px;
  display: block;
  animation: numberPulse 2s ease-in-out infinite;
}

@keyframes numberPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.proofs__headline p {
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--dark-grey);
  margin-bottom: 40px;
  font-weight: 500;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.proofs__list {
  max-width: 900px;
  margin: 0 auto 50px;
  padding: 0;
  list-style: none;
  position: relative;
  z-index: 2;
}

.proofs__item {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  padding: 30px;
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  border-left: 6px solid transparent;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  box-shadow: var(--shadow-soft);
  font-size: 16px;
  color: var(--dark-grey);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.proofs__item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--gradient-primary);
  transition: var(--transition-smooth);
}

.proofs__item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-medium);
  border-left-color: transparent;
}

.proofs__item:hover::before {
  width: 100%;
  opacity: 0.1;
}

.proofs__item a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: var(--transition-smooth);
}

.proofs__item a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-smooth);
}

.proofs__item a:hover::after {
  width: 100%;
}

.proofs__regions {
  max-width: 700px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(151, 38, 53, 0.1);
}

.proofs__regions summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  padding: 15px;
  background: rgba(151, 38, 53, 0.05);
  border-radius: var(--border-radius-small);
  transition: var(--transition-smooth);
  position: relative;
}

.proofs__regions summary:hover {
  background: rgba(151, 38, 53, 0.1);
}

.proofs__regions summary::after {
  content: '▼';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  transition: var(--transition-smooth);
  color: var(--primary);
}

.proofs__regions[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
}

.proofs__regions ul {
  list-style: none;
  padding: 0;
}

.proofs__regions li {
  margin-bottom: 15px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(151, 38, 53, 0.1);
}

.proofs__regions li:last-child {
  border-bottom: none;
}

.proofs__regions a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--border-radius-small);
  background: rgba(38, 71, 115, 0.05);
}

.proofs__regions a:hover {
  color: var(--primary);
  background: rgba(151, 38, 53, 0.1);
  transform: translateX(8px);
}

/* (3) Для кого - современные карточки с hover-эффектами */
.section--audience {
  background: var(--white);
  position: relative;
}

.section--audience::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(245, 247, 250, 0.5) 100%);
  pointer-events: none;
}

.grid--cards-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 60px;
  position: relative;
  z-index: 2;
}

.card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-bounce);
  border: 1px solid rgba(231, 235, 239, 0.5);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-smooth);
}

.card:hover {
  transform: translateY(-16px) scale(1.03);
  box-shadow: var(--shadow-strong);
  border-color: rgba(151, 38, 53, 0.2);
}

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  color: var(--primary);
  margin-bottom: 30px;
  font-size: 24px;
  position: relative;
}

.card h3::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.card:hover h3::after {
  width: 60px;
}

.card .pain {
  background: linear-gradient(135deg, #fff5f5, #ffe8e8);
  border-left: 4px solid #ff6b6b;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 0 var(--border-radius-small) var(--border-radius-small) 0;
  color: #d63031;
  font-style: italic;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.card .pain::before {
  content: '⚠️';
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  opacity: 0.3;
}

.card .gain {
  background: linear-gradient(135deg, #f0fff4, #e8f5e8);
  border-left: 4px solid #51cf66;
  padding: 20px;
  border-radius: 0 var(--border-radius-small) var(--border-radius-small) 0;
  color: #2f9e44;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.card .gain::before {
  content: '✅';
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  opacity: 0.3;
}

/* (4) Боль → Решение → Результат - современный дизайн с иконками */
.section--psr {
  background: var(--gradient-light);
  position: relative;
}

.grid--psr {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.psr {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  box-shadow: var(--shadow-soft);
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(231, 235, 239, 0.5);
}

.psr::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, transparent, rgba(151, 38, 53, 0.02));
  transition: var(--transition-smooth);
}

.psr:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-medium);
}

.psr:hover::before {
  background: linear-gradient(135deg, transparent, rgba(151, 38, 53, 0.05));
}

.psr__pain {
  background: linear-gradient(135deg, #fff5f5, #ffe8e8);
  color: #d63031;
  padding: 20px;
  border-radius: var(--border-radius-small);
  margin-bottom: 25px;
  font-weight: 700;
  border: 2px solid #ff6b6b;
  position: relative;
  overflow: hidden;
}

.psr__pain::before {
  content: '🔥';
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 18px;
  opacity: 0.6;
}

.psr__solution {
  background: linear-gradient(135deg, #fff8e1, #fff3cd);
  color: #f39c12;
  padding: 20px;
  border-radius: var(--border-radius-small);
  margin-bottom: 25px;
  font-weight: 600;
  border: 2px solid #f1c40f;
  position: relative;
  overflow: hidden;
}

.psr__solution::before {
  content: '💡';
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 18px;
  opacity: 0.6;
}

.psr__result {
  background: linear-gradient(135deg, #f0fff4, #e8f5e8);
  color: #2f9e44;
  padding: 20px;
  border-radius: var(--border-radius-small);
  font-weight: 700;
  border: 2px solid #51cf66;
  position: relative;
  overflow: hidden;
}

.psr__result::before {
  content: '🎯';
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 18px;
  opacity: 0.6;
}

/* (5) Пакеты услуг - современные карточки с градиентами */
.section--packages {
  background: var(--white);
  position: relative;
}

.package {
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.package::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-smooth);
}

.package:hover::before {
  transform: scaleX(1);
}

.package__list {
  list-style: none;
  padding: 0;
  margin: 25px 0;
}

.package__list li {
  padding: 12px 0;
  position: relative;
  padding-left: 35px;
  font-weight: 500;
  color: var(--dark-grey);
  transition: var(--transition-smooth);
}

.package__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-weight: bold;
  font-size: 20px;
  background: rgba(151, 38, 53, 0.1);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.package:hover .package__list li::before {
  background: var(--primary);
  color: white;
  transform: translateY(-50%) scale(1.1);
}

.package__meta {
  font-size: 14px;
  color: var(--grey);
  line-height: 1.7;
  margin-top: 25px;
  padding-top: 25px;
  border-top: 1px solid rgba(231, 235, 239, 0.5);
  background: rgba(245, 247, 250, 0.5);
  padding: 20px;
  border-radius: var(--border-radius-small);
}

.package__meta b {
  color: var(--primary);
  font-weight: 700;
}

/* (6) Процесс в 5 шагов - современный timeline */
.section--process {
  background: var(--gradient-light);
  position: relative;
}

.timeline {
  max-width: 900px;
  margin: 60px auto 0;
  padding: 0;
  list-style: none;
  counter-reset: step-counter;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.timeline li {
  position: relative;
  padding: 40px 0 40px 120px;
  margin-bottom: 30px;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  counter-increment: step-counter;
  transition: var(--transition-smooth);
  border: 1px solid rgba(231, 235, 239, 0.5);
  overflow: hidden;
}

.timeline li::before {
  content: counter(step-counter);
  position: absolute;
  left: 30px;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 20px;
  box-shadow: var(--shadow-medium);
  transition: var(--transition-smooth);
}

.timeline li:hover {
  transform: translateX(16px);
  box-shadow: var(--shadow-medium);
}

.timeline li:hover::before {
  transform: translateY(-50%) scale(1.1);
  box-shadow: var(--shadow-strong);
}

.timeline li::after {
  content: '';
  position: absolute;
  left: 53px;
  top: 70px;
  bottom: -30px;
  width: 2px;
  background: var(--gradient-primary);
  opacity: 0.3;
}

.timeline li:last-child::after {
  display: none;
}

/* (7) Почему иногда поднимаем стоимость - современный текст */
.section--explain {
  background: var(--white);
  position: relative;
}

.section--explain p {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.8;
  margin-bottom: 25px;
  color: var(--dark-grey);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  position: relative;
}

.section--explain p:first-child {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 600;
  color: var(--black);
}

.section--explain p:last-child {
  background: rgba(151, 38, 53, 0.05);
  padding: 25px;
  border-radius: var(--border-radius-small);
  border-left: 4px solid var(--primary);
  font-style: italic;
  max-width: 800px;
}

/* (8) Сравнение моделей - современная таблица */
.section--compare {
  background: var(--gradient-light);
  position: relative;
}

.table--compare {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 60px 0;
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(231, 235, 239, 0.5);
}

.table--compare th,
.table--compare td {
  padding: 25px 20px;
  text-align: left;
  border-bottom: 1px solid rgba(231, 235, 239, 0.5);
}

.table--compare th {
  background: var(--gradient-primary);
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table--compare th:first-child {
  background: var(--gradient-secondary);
}

.table--compare tr:nth-child(even) {
  background: rgba(245, 247, 250, 0.5);
}

.table--compare tr:hover {
  background: rgba(151, 38, 53, 0.02);
  transform: scale(1.01);
  transition: var(--transition-smooth);
}

.table--compare td {
  font-weight: 500;
  color: var(--dark-grey);
}

/* (9) Калькуляторы - современная форма */
.section--calculators {
  background: var(--white);
  position: relative;
}

.calculator-placeholder {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.calculator-placeholder p {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--dark-grey);
  margin-bottom: 40px;
  font-weight: 500;
}

.form-container {
  background: linear-gradient(135deg, rgba(245, 247, 250, 0.8), rgba(255, 255, 255, 0.9));
  backdrop-filter: blur(20px);
  padding: 50px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(231, 235, 239, 0.5);
  position: relative;
  overflow: hidden;
}

.form-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 12px;
  font-weight: 700;
  color: var(--black);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 18px 20px;
  border: 2px solid rgba(231, 235, 239, 0.8);
  border-radius: var(--border-radius-small);
  font-size: 16px;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(151, 38, 53, 0.1);
  background: var(--white);
  transform: translateY(-2px);
}

.form-control::placeholder {
  color: var(--grey);
  font-style: italic;
}

/* Общие стили для заметок */
.note {
  font-size: 14px;
  color: var(--grey);
  font-style: italic;
  text-align: center;
  margin-top: 30px;
  padding: 20px;
  background: rgba(151, 38, 53, 0.05);
  border-radius: var(--border-radius-small);
  border-left: 4px solid var(--primary);
}

.note--sm {
  font-size: 12px;
  margin-top: 20px;
  padding: 15px;
}

/* Адаптивность для новых секций */
@media (max-width: 768px) {
  :root {
    --section-spacing: var(--section-spacing-mobile);
  }
  
  .section {
    padding: var(--section-spacing-mobile) 0;
  }
  
  .section h2 {
    font-size: clamp(28px, 6vw, 36px);
    margin-bottom: 40px;
  }
  
  .grid--cards-3,
  .grid--psr {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .timeline {
    margin: 40px auto 0;
  }
  
  .timeline li {
    padding-left: 100px;
    margin-bottom: 25px;
  }
  
  .timeline li::before {
    width: 40px;
    height: 40px;
    font-size: 16px;
    left: 20px;
  }
  
  .timeline::before {
    left: 40px;
  }
  
  .timeline li::after {
    left: 42px;
  }
  
  .table--compare {
    font-size: 14px;
  }
  
  .table--compare th,
  .table--compare td {
    padding: 20px 15px;
  }
  
  .form-container {
    padding: 30px 20px;
  }
  
  .proofs__item,
  .card,
  .psr {
    padding: 25px 20px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 60px 0;
  }
  
  .section h2 {
    font-size: clamp(24px, 7vw, 28px);
    margin-bottom: 30px;
  }
  
  .proofs__num {
    font-size: clamp(48px, 15vw, 64px);
  }
  
  .proofs__headline p {
    font-size: clamp(16px, 4vw, 18px);
  }
  
  .grid--cards-3,
  .grid--psr {
    gap: 25px;
  }
  
  .timeline li {
    padding-left: 80px;
    padding-top: 30px;
    padding-bottom: 30px;
  }
  
  .timeline li::before {
    width: 35px;
    height: 35px;
    font-size: 14px;
    left: 15px;
  }
  
  .timeline::before {
    left: 32px;
  }
  
  .timeline li::after {
    left: 33px;
  }
  
  .form-container {
    padding: 25px 15px;
  }
  
  .proofs__regions {
    padding: 20px;
  }
  
  .proofs__item,
  .card,
  .psr {
    padding: 20px 15px;
  }
}

/* Анимации появления секций */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  animation: fadeInUp 0.8s ease-out;
}

/* Hover-эффекты для интерактивных элементов */
.btn-primary {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 16px 32px;
  border-radius: var(--border-radius-small);
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover::before {
  left: 100%;
}

/* Дополнительные современные эффекты */
.card,
.psr,
.proofs__item {
  position: relative;
}

.card::after,
.psr::after,
.proofs__item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.1));
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.card:hover::after,
.psr:hover::after,
.proofs__item:hover::after {
  opacity: 1;
}