/* 
 * Main stylesheet for domain.com
 * Accounting Services Website
 */

/* Base Styles and Variables */
:root {
  /* Color Palette */
  --color-base: #0A1D37;      /* Deep midnight blue */
  --color-accent: #FF4E50;    /* Neon coral */
  --color-secondary: #3DDC97; /* Mint green */
  --color-bg-light: #FFF4E6;  /* Warm cream */
  --color-bg-alt: #C4B5FD;    /* Pastel lavender */
  --color-text-dark: #2E2E2E; /* Charcoal gray */
  --color-text-light: #FFFFFF; /* Pure white */
  
  /* Typography */
  --font-primary: 'Roboto', sans-serif;
  --font-secondary: 'Montserrat', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  line-height: var(--line-height-base);
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  color: var(--color-base);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
}

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  box-sizing: border-box;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-light);
}

.btn-primary:hover {
  background-color: var(--color-secondary);
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-text-light);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
}

/* Header */
header {
  background-color: var(--color-base);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-light);
}

/* Navigation */
.nav-menu {
  display: flex;
  list-style: none;
}

.nav-menu li {
  margin-left: var(--spacing-md);
}

.nav-menu a {
  color: var(--color-text-light);
  font-weight: 500;
  position: relative;
}

.nav-menu a:hover {
  color: var(--color-accent);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  bottom: -5px;
  left: 0;
  transition: width var(--transition-fast);
}

.nav-menu a:hover::after {
  width: 100%;
}

.hamburger-menu {
  display: none;
  cursor: pointer;
}

.hamburger-menu span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-text-light);
  margin: 5px 0;
  transition: all 0.3s;
}

/* Hero Section */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-light) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" stroke="%23FFFFFF" stroke-width="2" fill="none" opacity="0.2"/></svg>');
  animation: rotate 60s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
  text-align: center;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-base);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xl);
}

/* About Section */
.about {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-text-light);
}

.about-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.about-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  max-width: 90%;
  margin-right: auto;
}

.about h2 {
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-sm);
  text-align: center;
}

.about h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--color-accent);
}

/* Services Section */
.services {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg-light);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--color-accent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-text-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-medium);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-image {
  width: calc(100% + 2 * var(--spacing-lg));
  height: 200px;
  overflow: hidden;
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  margin: -var(--spacing-lg) -var(--spacing-lg) var(--spacing-md) -var(--spacing-lg);
  max-width: none;
  box-sizing: border-box;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.service-card:hover .service-image img {
  transform: scale(1.05);
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
}

/* Benefits Section */
.benefits {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-base);
  color: var(--color-text-light);
}

.benefits .section-title h2 {
  color: var(--color-text-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
}

.benefit-icon {
  min-width: 60px;
  height: 60px;
  margin-right: var(--spacing-md);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-icon i {
  font-size: 2rem;
}

.benefit-content h3 {
  color: var(--color-text-light);
}

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-text-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.testimonial-card {
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 20px;
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 1;
}

.testimonial-text {
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: var(--spacing-sm);
  object-fit: cover;
}

.author-info h4 {
  margin-bottom: 0;
  font-size: 1rem;
}

.author-info p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--color-text-dark);
  opacity: 0.7;
}

/* Pricing Section */
.pricing {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg-alt);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.pricing-card {
  background-color: var(--color-text-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform var(--transition-medium);
}

.pricing-card:hover {
  transform: scale(1.05);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular {
  border: 2px solid var(--color-accent);
  position: relative;
}

.popular-tag {
  position: absolute;
  top: -15px;
  right: var(--spacing-lg);
  background-color: var(--color-accent);
  color: var(--color-text-light);
  padding: 5px 15px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-base);
  margin-bottom: var(--spacing-md);
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  opacity: 0.7;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

/* FAQ Section */
.faq {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-text-light);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.faq-question {
  background-color: var(--color-base);
  color: var(--color-text-light);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
}

.faq-item.active .faq-question::after {
  content: '-';
}

.faq-answer {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-light);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Contact Form Section */
.contact {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--color-base) 0%, var(--color-bg-alt) 100%);
}

.contact .section-title h2 {
  color: var(--color-text-light);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-text-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-accent);
  outline: none;
}

.form-check {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.form-check-input {
  margin-right: var(--spacing-sm);
  margin-top: 4px;
}

.form-submit {
  text-align: center;
}

/* Footer */
footer {
  background-color: var(--color-base);
  color: var(--color-text-light);
  padding-top: var(--spacing-xl);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
}

.footer-about {
  margin-right: var(--spacing-lg);
}

.footer-about h3 {
  color: var(--color-text-light);
}

.footer-links h4 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-light);
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.contact-info {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: flex-start;
}

.contact-info i {
  margin-right: var(--spacing-sm);
  color: var(--color-accent);
  min-width: 16px;
  text-align: center;
}

.footer-bottom {
  padding: var(--spacing-md) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--spacing-xl);
}

/* Cookie Policy Popup */
.cookie-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-base);
  color: var(--color-text-light);
  padding: var(--spacing-lg);
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  display: none;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cookie-text {
  flex: 1;
  margin-right: var(--spacing-md);
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Styles */
@media screen and (max-width: 1024px) {
  .services-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 768px) {
  :root {
    --font-size-base: 15px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .about-container {
    grid-template-columns: 1fr;
  }
  
  .about-image {
    margin-bottom: var(--spacing-lg);
  }
  
  .hamburger-menu {
    display: block;
  }
  
  .nav-menu {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--color-base);
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md) 0;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
    pointer-events: none;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  .nav-menu li {
    margin: var(--spacing-sm) 0;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 576px) {
  .services-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .cookie-content {
    flex-direction: column;
  }
  
  .cookie-text {
    margin-right: 0;
    margin-bottom: var(--spacing-md);
  }
  
  .form-group {
    margin-bottom: var(--spacing-md);
  }
  
  /* Предотвращение горизонтального скролла на мобильных устройствах */
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }
  
  .container {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
    width: 100%;
    box-sizing: border-box;
  }
  
  img, svg, video, canvas, iframe {
    max-width: 100%;
  }
  
  table {
    display: block;
    overflow-x: auto;
  }
}

/* CSS Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fadeIn 1s ease forwards;
}

.animate-slide-left {
  animation: slideInLeft 1s ease forwards;
}

.animate-slide-right {
  animation: slideInRight 1s ease forwards;
}

.animate-zoom-in {
  animation: zoomIn 1s ease forwards;
}

/* Animation Delays */
.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}