/* ===== LAYOUT СИСТЕМА ===== */

/* Контейнер */
.container {
  width: 100%;
  max-width: 1200px;
  margin-right: auto;
  margin-left: auto;
  padding-right: 1rem;
  padding-left: 1rem;
  box-sizing: border-box;
}

.container-sm {
  max-width: 960px;
}

.container-xs {
  max-width: 768px;
}

.container-fluid {
  max-width: 100%;
}

/* Сетка (Grid) */
.grid {
  display: grid;
  gap: 1.5rem;
  width: 100%;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }

.gap-0 { gap: 0; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.5rem; }
.gap-6 { gap: 2rem; }
.gap-8 { gap: 3rem; }
.gap-10 { gap: 4rem; }

.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-9 { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-11 { grid-column: span 11; }
.col-span-12 { grid-column: span 12; }

/* Flex Layout */
.flex { 
  display: flex; 
}

.inline-flex {
  display: inline-flex;
}

.flex-row { flex-direction: row; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col { flex-direction: column; }
.flex-col-reverse { flex-direction: column-reverse; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-wrap-reverse { flex-wrap: wrap-reverse; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

.flex-grow-0 { flex-grow: 0; }
.flex-grow { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-shrink { flex-shrink: 1; }

/* Выравнивание */
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

.content-start { align-content: flex-start; }
.content-end { align-content: flex-end; }
.content-center { align-content: center; }
.content-between { align-content: space-between; }
.content-around { align-content: space-around; }
.content-stretch { align-content: stretch; }

.self-auto { align-self: auto; }
.self-start { align-self: flex-start; }
.self-end { align-self: flex-end; }
.self-center { align-self: center; }
.self-stretch { align-self: stretch; }

/* Отступы (margin) */
.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 0.75rem; }
.m-4 { margin: 1rem; }
.m-5 { margin: 1.5rem; }
.m-6 { margin: 2rem; }
.m-8 { margin: 3rem; }
.m-10 { margin: 4rem; }
.m-auto { margin: auto; }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: 0.25rem; margin-right: 0.25rem; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-3 { margin-left: 0.75rem; margin-right: 0.75rem; }
.mx-4 { margin-left: 1rem; margin-right: 1rem; }
.mx-5 { margin-left: 1.5rem; margin-right: 1.5rem; }
.mx-6 { margin-left: 2rem; margin-right: 2rem; }
.mx-8 { margin-left: 3rem; margin-right: 3rem; }
.mx-10 { margin-left: 4rem; margin-right: 4rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: 0.25rem; margin-bottom: 0.25rem; }
.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-3 { margin-top: 0.75rem; margin-bottom: 0.75rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-5 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-6 { margin-top: 2rem; margin-bottom: 2rem; }
.my-8 { margin-top: 3rem; margin-bottom: 3rem; }
.my-10 { margin-top: 4rem; margin-bottom: 4rem; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.5rem; }
.mt-6 { margin-top: 2rem; }
.mt-8 { margin-top: 3rem; }
.mt-10 { margin-top: 4rem; }
.mt-auto { margin-top: auto; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }
.mr-5 { margin-right: 1.5rem; }
.mr-6 { margin-right: 2rem; }
.mr-8 { margin-right: 3rem; }
.mr-10 { margin-right: 4rem; }
.mr-auto { margin-right: auto; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 2rem; }
.mb-8 { margin-bottom: 3rem; }
.mb-10 { margin-bottom: 4rem; }
.mb-auto { margin-bottom: auto; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.ml-4 { margin-left: 1rem; }
.ml-5 { margin-left: 1.5rem; }
.ml-6 { margin-left: 2rem; }
.ml-8 { margin-left: 3rem; }
.ml-10 { margin-left: 4rem; }
.ml-auto { margin-left: auto; }

/* Внутренние отступы (padding) */
.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.5rem; }
.p-6 { padding: 2rem; }
.p-8 { padding: 3rem; }
.p-10 { padding: 4rem; }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-6 { padding-left: 2rem; padding-right: 2rem; }
.px-8 { padding-left: 3rem; padding-right: 3rem; }
.px-10 { padding-left: 4rem; padding-right: 4rem; }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-6 { padding-top: 2rem; padding-bottom: 2rem; }
.py-8 { padding-top: 3rem; padding-bottom: 3rem; }
.py-10 { padding-top: 4rem; padding-bottom: 4rem; }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pt-5 { padding-top: 1.5rem; }
.pt-6 { padding-top: 2rem; }
.pt-8 { padding-top: 3rem; }
.pt-10 { padding-top: 4rem; }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: 0.25rem; }
.pr-2 { padding-right: 0.5rem; }
.pr-3 { padding-right: 0.75rem; }
.pr-4 { padding-right: 1rem; }
.pr-5 { padding-right: 1.5rem; }
.pr-6 { padding-right: 2rem; }
.pr-8 { padding-right: 3rem; }
.pr-10 { padding-right: 4rem; }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-5 { padding-bottom: 1.5rem; }
.pb-6 { padding-bottom: 2rem; }
.pb-8 { padding-bottom: 3rem; }
.pb-10 { padding-bottom: 4rem; }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: 0.25rem; }
.pl-2 { padding-left: 0.5rem; }
.pl-3 { padding-left: 0.75rem; }
.pl-4 { padding-left: 1rem; }
.pl-5 { padding-left: 1.5rem; }
.pl-6 { padding-left: 2rem; }
.pl-8 { padding-left: 3rem; }
.pl-10 { padding-left: 4rem; }

/* Секции */
.section {
  padding: 4rem 0;
}

.section-sm {
  padding: 2rem 0;
}

.section-lg {
  padding: 6rem 0;
}

/* Header и Footer */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--primary-color);
  z-index: 1001;
}

.logo-icon {
  font-size: 2rem;
  margin-right: 0.5rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.menu-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--primary-color);
  position: relative;
  transition: background-color 0.3s;
}

.menu-icon::before,
.menu-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--primary-color);
  transition: transform 0.3s;
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  bottom: -6px;
}

.menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.auth-links {
  display: flex;
  gap: 1rem;
  margin-left: 2rem;
}

.login-btn,
.register-btn {
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  transition: all 0.3s;
}

.login-btn {
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.register-btn {
  background-color: var(--primary-color);
  color: white;
}

.register-btn:hover,
.register-btn.active {
  background-color: var(--primary-color-dark);
}

/* Footer */
footer {
    background-color: var(--color-background-dark);
    color: var(--color-text-light);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-content h3 {
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-content ul li {
    margin-bottom: 0.75rem;
}

.footer-content ul li a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-content ul li a:hover {
    color: var(--color-primary);
}

.about-company p {
    margin-top: 1rem;
    line-height: 1.6;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    footer {
        padding: 2rem 0 1rem;
    }
}

/* Разделы главной */
.hero {
  padding: 5rem 0;
  background-color: var(--light-color);
  text-align: center;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.5rem;
  color: var(--text-dark);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: 2rem;
  color:black;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.features {
  padding: 4rem 0;
}

.feature-card {
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feature-icon {
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.cta {
  padding: 5rem 0;
  background-color: var(--primary-light);
  text-align: center;
}

/* Медиа-запросы */
@media (max-width: 1024px) {
  .container {
    max-width: 960px;
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-5,
  .grid-cols-6 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .col-lg-span-full {
    grid-column: 1 / -1;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 100%;
    padding-right: 1rem;
    padding-left: 1rem;
  }
  
  .grid {
    width: 100%;
    overflow-x: hidden;
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-5,
  .grid-cols-6 {
    grid-template-columns: 1fr;
  }
  
  .col-md-span-full {
    grid-column: 1 / -1;
  }
  
  .section {
    padding: 2rem 0;
    width: 100%;
    overflow-x: hidden;
  }
  
  .hero {
    padding: 2rem 0;
  }
  
  .hero-btns {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 72px);
    background: white;
    padding: 2rem;
    transition: left 0.3s ease;
    overflow-y: auto;
  }
  
  .nav.active {
    left: 0;
  }
  
  .menu {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }
  
  .auth-links {
    flex-direction: column;
    margin-left: 0;
    margin-top: 2rem;
    width: 100%;
  }
  
  .auth-links a {
    width: 100%;
    text-align: center;
  }
  
  .menu-icon.active {
    background-color: transparent;
  }
  
  .menu-icon.active::before {
    transform: rotate(45deg) translate(6px, 6px);
  }
  
  .menu-icon.active::after {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 480px) {
  .container {
    padding-right: 0.75rem;
    padding-left: 0.75rem;
  }
  
  .grid {
    gap: 1rem;
  }
  
  .section {
    padding: 1.5rem 0;
  }
}

/* Custom Popup Styles */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.popup-overlay.active {
    display: flex;
}

.popup-content {
    background-color: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 90%;
    width: 400px;
    position: relative;
    animation: popupFadeIn 0.3s ease-out;
}

.popup-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.popup-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    padding: 0.5rem;
}

.popup-close:hover {
    color: #333;
}

@keyframes popupFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
} 
li {
  list-style: none;
}