/***********************************************************
 *  1. CSS Variables (Цветовая схема, отступы, шрифты)
 ***********************************************************/
:root {
  /* Основные цвета бренда */
  --brand-color: #ff5722;
  --brand-color-dark: #e64a19;
  --brand-color-light: #ff8a50;

  /* Дополнительные цвета */
  --brand-bg: #fafafa;
  --brand-text: #333;
  --brand-heading-font: 'Arial', sans-serif;
  --brand-body-font: 'Arial', sans-serif;

  /* Тени */
  --box-shadow-light: 0 4px 8px rgba(0,0,0,0.1);
  --box-shadow-medium: 0 8px 16px rgba(0,0,0,0.15);

  /* Переходы */
  --transition-speed: 0.3s;

  /* Отступы */
  --section-padding: 5rem;
}

/***********************************************************
 *  2. Global Reset & Basic Styles
 ***********************************************************/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Шрифты и базовые цвета */
body {
  font-family: var(--brand-body-font);
  background-color: var(--brand-bg);
  color: var(--brand-text);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--brand-heading-font);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-speed);
}

/***********************************************************
 *  3. Hero Section
 ***********************************************************/
.hero {
  min-height: 70vh;
  background: url("img/hero.png") center/cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-overlay {
  position: absolute;
  top: 0; 
  left: 0;
  width: 100%; 
  height: 100%;
  /* Лёгкий градиент поверх тёмного фона */
  background: linear-gradient(
    rgba(0,0,0,0.6), 
    rgba(0,0,0,0.3)
  );
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  color: #fff;
  margin-bottom: 1rem;
}

.hero p {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.hero a.btn {
  font-weight: bold;
  padding: 0.75rem 1.5rem;
}

/***********************************************************
 *  4. Navbar
 ***********************************************************/
/* Подсветка ссылок при наведении */
.navbar-dark .navbar-nav .nav-link:hover {
  color: var(--brand-color-light);
  transition: color var(--transition-speed);
}

/***********************************************************
 *  5. Cards / Boxes (Services, Facts, Practices, etc.)
 ***********************************************************/
.service-box, 
.fact-box, 
.practice-item, 
.step, 
.portfolio-item, 
.testimonial, 
.team-member, 
.company-info {
  height: 100%;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: var(--box-shadow-light);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  padding: 1.5rem;
}

.service-box:hover, 
.fact-box:hover, 
.practice-item:hover, 
.step:hover, 
.portfolio-item:hover, 
.testimonial:hover, 
.team-member:hover, 
.company-info:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-medium);
}

/* Заголовки внутри карточек */
.service-box h5, 
.fact-box h5, 
.practice-item h5, 
.step h5, 
.portfolio-item h5, 
.testimonial h5, 
.team-member h5, 
.company-info h5 {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

/***********************************************************
 *  6. Icon Styles
 ***********************************************************/
.service-box i, 
.fact-box i, 
.practice-item i, 
.step i {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--brand-color);
}

/***********************************************************
 *  7. Portfolio Section
 ***********************************************************/
.portfolio-item img {
  border-radius: 8px;
  margin-bottom: 0.75rem;
  transition: transform var(--transition-speed);
}

.portfolio-item img:hover {
  transform: scale(1.05);
}

/***********************************************************
 *  8. Testimonials
 ***********************************************************/
.testimonial {
  font-style: italic;
  position: relative;
  padding: 2rem;
}

.testimonial::before {
  content: "“";
  font-size: 3rem;
  color: var(--brand-color-light);
  position: absolute;
  top: 0.5rem;
  left: 1rem;
}

/***********************************************************
 *  9. Team Section
 ***********************************************************/
.team-member {
  padding: 2rem 1rem;
  text-align: center;
  transition: all var(--transition-speed);
}

.team-member img {
  border-radius: 50%;
  margin-bottom: 1rem;
  width: 120px;
  height: 120px;
  object-fit: cover;
  transition: transform var(--transition-speed);
}

.team-member img:hover {
  transform: scale(1.1);
}

.team-member h5 {
  margin-bottom: 0.25rem;
}

.team-member p {
  color: #777;
}

/***********************************************************
 *  10. Company Info
 ***********************************************************/
.company-info {
  padding: 2rem;
}

.company-info ul {
  margin-top: 1rem;
  margin-left: 1.5rem;
  list-style: disc;
}

/***********************************************************
 *  11. FAQ (Accordion Overrides)
 ***********************************************************/
/* Изменим цвет заголовков в аккордеоне */
.accordion-button {
  background-color: #fff;
  color: var(--brand-color-dark);
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

.accordion-button:not(.collapsed) {
  background-color: var(--brand-color-light);
  color: #fff;
}

.accordion-button:focus {
  box-shadow: none; /* убираем стандартную рамку фокуса */
}

/***********************************************************
 *  12. Contact Form
 ***********************************************************/
.contact-form {
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: var(--box-shadow-light);
  padding: 2rem;
}

/* Поля формы */
#contactForm input[type="text"], 
#contactForm input[type="email"], 
#contactForm textarea {
  border-radius: 6px;
  border: 2px solid #ccc;
  padding: 0.75rem;
  font-size: 1rem;
  width: 100%;
  transition: border-color var(--transition-speed);
}

#contactForm input[type="text"]:focus, 
#contactForm input[type="email"]:focus, 
#contactForm textarea:focus {
  outline: none;
  border-color: var(--brand-color);
  box-shadow: 0 0 0 3px rgba(255,87,34,0.2);
}

/* Плейсхолдеры */
#contactForm ::placeholder {
  color: #999;
  opacity: 1; /* для Safari */
}

/* Кнопка отправки */
#contactForm button[type="submit"] {
  background-color: var(--brand-color);
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  padding: 0.75rem;
  cursor: pointer;
  transition: background-color var(--transition-speed), transform var(--transition-speed);
}

#contactForm button[type="submit"]:hover {
  background-color: var(--brand-color-dark);
  transform: translateY(-2px);
}

/***********************************************************
 *  13. Section Spacing
 ***********************************************************/
section {
  padding: var(--section-padding) 0;
}

/* Уменьшим отступы в Hero, так как у него свои стили */
.hero {
  padding-top: 0;
  padding-bottom: 0;
}

/***********************************************************
 *  14. Footer
 ***********************************************************/
footer {
  background-color: #333;
  color: #fff;
  padding: 1.5rem 0;
}

footer p {
  margin: 0;
}

/***********************************************************
 *  15. Responsive Adjustments
 ***********************************************************/
/* Hero на маленьких экранах */
@media (max-width: 768px) {
  .hero {
    min-height: 50vh;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
    margin-bottom: 1rem;
  }
  .hero a.btn {
    padding: 0.5rem 1rem;
  }
}

/* Дополнительные адаптивные правки (пример) */
@media (max-width: 576px) {
  .step {
    margin-bottom: 1rem;
  }
  .step i {
    font-size: 1.5rem;
  }
}