/* === Сброс и базовые настройки === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a0f 0%, #1e002e 100%);
    color: #f0f0f0;
    line-height: 1.6;
    overflow-x: hidden;
  }
  
  
  a {
    text-decoration: none;
    color: inherit;
  }

  
  
  .btn-primary {
    display: inline-block;
    max-width: max-content;
    cursor: pointer;
    border: none;
    outline: none; /* убираем дефолтную обводку */
    padding: 10px 20px;
    background: linear-gradient(90deg, #f864ef, #fd758d, #fd8875);
    color: white;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(253, 117, 141, 0.4);
  }

  .btn-primary:focus {
    box-shadow: 0 0 0 3px rgba(253, 117, 141, 0.5);
  }
  
  .btn-primary:hover {
    filter: brightness(1.1);
    transform: scale(1.03);
  }
  
  .btn-secondary {
    background-color: #1f1f33;
    color: #f0f0f0;
    border: 1px solid #333;
    padding: 10px 20px;
    border-radius: 20px;
    transition: background-color 0.3s ease;
  }
  
  .btn-secondary:hover {
    background-color: #292947;
  }
  
  
  .main-header {
    position: fixed;  /* Замените absolute на fixed */
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(26, 26, 46, 0.2);
    backdrop-filter: blur(6px);
    z-index: 10;
    transition: top 0.3s ease; /* Плавное скрытие/появление хедера */
  }
  
  
  .logo {
    font-size: 28px;
    font-weight: bold;
    color: #ffffff;
  }
  
  .main-nav {
    display: flex;
    flex-direction: row;
    gap: 30px;
  }
  
  .main-nav a {
    color: #e0e0ff;
    font-weight: 500;
    text-decoration: none;
  }

  .main-nav a:hover {
    color: #ff2e8d;
  }
  
  .burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 101;
    max-width: 100%;
  }
  
  .burger span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    border-radius: 2px;
  }
  
  .menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  
  .menu-overlay.show {
    opacity: 1;
    pointer-events: all;
  }
  
  
  /* Адаптив для мобильных */
  @media (max-width: 768px) {
    .burger {
      display: flex;
    }
  
    .main-nav {
      position: fixed;
      top: 0;
      right: -100%;
      height: 100vh;
      width: 240px;
      background-color: #1a1a2e;
      flex-direction: column;
      align-items: flex-start;
      padding: 80px 30px 30px;
      gap: 20px;
      transition: right 0.3s ease;
      z-index: 100;
    }
  
    .main-nav.show {
      right: 0;
    }
  
    .main-nav a {
      width: 100%;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
  }
  
     


  .hero {
    background: url('pictures/zurich_tent_1.jpg') center/cover no-repeat;
    color: white;
    padding: 0 30px 40px;
    text-align: center;
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    z-index: 1;
  }
  
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    backdrop-filter: blur(6px); /* 💡 сам блюр */
    -webkit-backdrop-filter: blur(6px); /* Safari поддержка */
    z-index: 1;
  }
  
  .hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65); /* затемнение */
    z-index: 2;
  }
  
  .hero > * {
    position: relative;
    z-index: 3;
  }
  
  
  .hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    padding-top: 100px; /* 👈 чтобы контент не залезал под навбар */
    z-index: 3;
  }
  
  .hero-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
  }
  
  .hero-content p {
    margin-bottom: 25px;
    color: #ddd;
  }
  
  .hero-categories {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    position: relative;
    z-index: 3;
  }
  
  .hero-categories button {
    background-color: #1f1f33;
    color: #f0f0f0;
    border-radius: 20px;
    padding: 10px 20px;
    font-weight: 500;
    border: 1px solid #333;
  }
  
  .hero-categories button:hover {
    background-color: #292947;
  }

  @media (max-width: 768px) {
    .hero {
      padding: 0 20px 30px;
      height: auto;
      min-height: 100vh;
    }
  
    .hero-content {
      padding-top: 80px;
      max-width: 100%;
    }
  
    .hero-content h2 {
      font-size: 26px;
    }
  
    .hero-content p {
      font-size: 15px;
    }
  }
  

  .about-us {
    padding: 100px 100px 50px 100px;
    color: #f0f0f0;
    position: relative;
    overflow: hidden;
  }
  
  .about-inner {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto; /* слева фиксированное изображение, справа остальное */
    column-gap: 40px;
    max-width: 1300px;
    margin: 10px auto 0 auto;
    background: linear-gradient(135deg, #0f0a1f 0%, #2d003f 100%);
    border-radius: 20px;
    padding: 20px;
    box-shadow: #0a0a0f 10px 10px 20px 0;
    z-index: 1;
    position: relative;
    padding: 40px;
    row-gap: 40px;
  }
  
  
  .about-text {
    animation: fadeInLeft 1.2s ease forwards;
    opacity: 0;
    display: flex;
    flex-direction: column;
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    flex-wrap: wrap;
  }
  
  
  .about-text h2 {
    font-size: 42px;
    margin-bottom: 10px;
    background: #ffffff;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .about-text h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 30px;
    color: #b684ff;
  }
  
  .about-text p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #dddddd;
  }
  
  .about-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    position: relative;
    justify-content: center;
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    max-width: 100%;
    flex: 0 0 130px;
  }
  
  .stat-box {
    flex: 1 1 130px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    text-align: center;
    padding: 18px;
    backdrop-filter: blur(12px);
    box-shadow: 0 0 25px rgba(255, 0, 128, 0.1);
    transition: transform 0.3s ease;
  }
  
  .stat-box:hover {
    transform: scale(1.05);
  }
  
  .stat-box .number {
    font-size: 30px;
    font-weight: bold;
    background: linear-gradient(90deg, #ff00c8, #7e00ff);
    text-align: center;
    white-space: nowrap;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .stat-box .label {
    font-size: 14px;
    color: #aaa;
    margin-top: 5px;
  }
  
  .about-image {
    display: flex;
    animation: fadeInRight 1.2s ease forwards;
    opacity: 0;
    grid-column: 1 / 2;
    grid-row: 1 / 3;
    flex-wrap: wrap;
  }
  
  #about-text {
    margin-bottom: 42px;
  }
  
  .about-image img {
    outline: 1px solid rgba(40, 0, 200, 0.2);
    width: 100%;
    height: auto;
    max-width: 440px;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(255, 0, 128, 0.1);
    animation: float 5s ease-in-out infinite;
    object-fit: cover;
    display: block;
  }
  
  @keyframes fadeInLeft {
    0% { transform: translateX(-60px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
  }
  
  @keyframes fadeInRight {
    0% { transform: translateX(60px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
  }    

  @media (max-width: 1280px) {
    .about-image {
      max-width: 350px;
      grid-row: 1;
    }
    
    .about-us {
      padding-top: 50px;
    }

    .about-stats {
      grid-column: 1/3;
    }

    .about-text h2 {
      font-size: 36px;
    }

    .about-text h3 {
      font-size: 18px;
    }
    
  }

  @media (max-width: 1120px) {
    .about-image {
      max-width: 310px;
      grid-row: 1;
    }

    .about-text p {
      font-size: 14px;
    }

    .about-stats {
      grid-column: 1/3;
    }

    .about-text h2 {
      font-size: 36px;
    }

    .about-text h3 {
      font-size: 18px;
    }

    .about-us {
      padding-inline: 30px;
    }
    
  }

  @media (max-width: 992px) {
    .about-inner {
      grid-template-columns: 1fr;
      grid-template-rows: auto auto auto;
      padding: 30px;
    }
  
    .about-image {
      grid-column: 1 / -1;
      grid-row: 1 / 2;
      margin: 0 auto auto auto;
    }

    .about-image img {
      border-radius: 50%;
      height: 200px;
      width: 200px;
    }
  
    .about-text {
      grid-column: 1 / -1;
      grid-row: 2 / 3;
      align-items: center;
      text-align: center;
    }
    
    .about-text h2 {
      font-size: 28px;
    }
  
    .about-text h3 {
      font-size: 16px;
    }

    .about-text p {
      font-size: 14px;
    }

    .about-stats {
      grid-column: 1 / -1;
      grid-row: 3 / 4;
      flex-wrap: wrap;
      justify-content: center;
    }
  }
  
  @media (max-width: 576px) {
    .about-stats {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      justify-items: center;
    }
  
    .stat-box {
      width: 100%;

      padding: 14px;
    }
  
    .stat-box .number {
      font-size: 22px;
    }
  
    .stat-box .label {
      font-size: 12px;
    }
  }
  
  
  
/* === Categories Section === */
.categories {
  padding: 60px 30px;
  text-align: center;
}

.categories h2 {
  font-size: 30px;
  margin-bottom: 10px;
  color: #ffffff;
}

.categories p {
  margin-bottom: 42px;
  color: #bbbbbb;
}

.category-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
}

.card {
  background: #1c1c2b;
  border-radius: 16px;
  overflow: hidden;
  width: 280px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card h3 {
  font-size: 18px;
  margin: 15px 15px 10px;
  color: #f0f0f0;
}

.card p {
  font-size: 14px;
  margin: 0 15px 10px;
  color: #aaaaaa;
}

.card span {
  font-weight: bold;
  color: #ff2e8d;
  margin-left: 15px;
}

.card button {
  margin: 15px;
  width: calc(100% - 30px);
  margin-top: auto;
  align-self: center;
}

@media (max-width: 1300px) {
  .card {
    width: 400px;
  }
}

@media (max-width: 920px) {
  .card {
    width: 300px;
  }
}

@media (max-width: 768px) {
  .category-cards {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 16px;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
    padding-inline: 20px;
    user-select: none;
  }

  .categories h2 {
    font-size: 26px;
  }

  .card {
    flex: 0 0 auto;
    scroll-snap-align: flex-start;
    width: 280px;
    min-height: 360px;
  }

  .category-cards::-webkit-scrollbar {
    height: 6px;
  }

  .category-cards::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
  }

  .category-cards::-webkit-scrollbar-track {
    background: transparent;
  }
}
  
  
/* === Features Section === */
.features {
  background: rgba(15, 0, 25, 0.8);
  backdrop-filter: blur(4px);
  padding: 60px 30px;
  text-align: center;
}

.features h2 {
  font-size: 30px;
  margin-bottom: 10px;
  color: #ffffff;
}

.features p {
  margin-bottom: 30px;
  color: #bbb;
}

.feature-boxes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
  scroll-snap-type: x mandatory;
  cursor: grab;
}

.feature {
  background-color: #222235;
  padding: 25px;
  border-radius: 16px;
  width: 300px;
  text-align: left;
}

.feature h3 {
  color: #b566ff;
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  .feature-boxes {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 16px;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
    padding-inline: 20px;
    user-select: none;
  }

  .features h2 {
    font-size: 26px;
  }

  .feature {
    flex: 0 0 auto;
    scroll-snap-align: flex-start;
    width: 260px;
    min-height: 240px;
  }

  /* Скрываем скроллбар красиво */
  .feature-boxes::-webkit-scrollbar {
    height: 6px;
  }

  .feature-boxes::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
  }

  .feature-boxes::-webkit-scrollbar-track {
    background: transparent;
  }
}

  
  .participants {
    padding: 80px 40px;
    text-align: center;
    background: #0f0a1f;
    color: #fff;
  }
  
  .participants h2 {
    font-size: 30px;
    margin-bottom: 40px;
  }
  
  .mosaic {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    padding-inline: 100px;
  }
  
  .participant {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    max-height: 600px;
  }
  
  .participant img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 20% 20%;
    display: block;
    transition: transform 0.4s ease;
  }
  
  .participant:hover img {
    transform: scale(1.05);
  }
  
  .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    text-align: left;
  }
  
  .overlay h3 {
    margin: 0 0 10px;
    font-size: 18px;
  }
  
  .participant.tall {
    grid-row: span 2;
  }
  
  .participant.wide {
    grid-column: span 2;
  }

  @media (max-width: 1320px) {
    .participant img {
      max-height: 300px;

    }

    .participant.tall {
      grid-row: 2;
    }

    .participant.wide {
      grid-row: 1/3;
      max-height: 620px;
    }

    .participant.wide img {
      max-height:none;
    }
  }

  @media (max-width: 992px) {
    .participants h2 {
      font-size: 26px;
    }
  }
  
  @media (max-width: 768px) {
    .participant.tall,
    .participant.wide {
      grid-column: span 1;
      grid-row: span 1;
    }
    .mosaic {
      padding-inline: 0px;
      grid-template-columns: auto;
    }
  }
  
  
  .footer {
    background: linear-gradient(to right, #1a1144, #0f0c20);
    color: #fff;
    padding: 60px 30px 20px;
    font-family: 'Segoe UI', sans-serif;
  }
  
  .footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .footer-logo {
    font-size: 24px;
    color: #ff2e8d;
    margin-bottom: 12px;
  }
  
  .footer p,
  .footer a {
    font-size: 14px;
    color: #ccc;
    text-decoration: none;
  }
  
  .footer a:hover {
    color: #ff2e8d;
    text-decoration: underline;
  }
  
  .footer-column h3 {
    margin-bottom: 12px;
    color: #ffffff;
    font-size: 16px;
  }
  
  .footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .footer-column ul li {
    margin-bottom: 8px;
  }
  
  .footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 10px;
  }
  
  .footer-socials a {
    color: #ccc;
    font-size: 26px;
    transition: color 0.3s;
  }
  
  .footer-socials a:hover {
    color: #ff2e8d;
  }
  
  .footer-bottom {
    text-align: center;
    margin-top: 40px;
    font-size: 13px;
    color: #888;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
  }