* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        .about_us {
  text-align: center;
  margin-top: 10%;
  font-family: "Unbounded", sans-serif;
  font-size: 2.5em;
  font-weight: 500;
  color: var(--text-color);
}


        :root {
            --bg-color: #fff;
            --text-color: #323232;
            --secondary-text-color: #666;
            --button-bg: rgb(63, 183, 77);
            --button-hover: rgb(52, 167, 65);
            --details-bg: #ededed4e;
            --details-border: rgba(210, 210, 210, 0);
            --details-hover-bg: #edededac;
            --loader-bg: #e0e0e0;
            --modal-bg: rgba(255, 255, 255, 0.9);
        }

        @media (prefers-color-scheme: dark) {
            :root {
                --bg-color: #1a1a1a;
                --text-color: #d3d3d3;
                --secondary-text-color: #a0a0a0;
                --button-bg: #4caf50;
                --button-hover: #45a049;
                --details-bg: #333;
                --details-border: rgba(128, 128, 128, 0.5);
                --details-hover-bg: #444;
                --loader-bg: #4a4a4a;
                --modal-bg: rgba(0, 0, 0, 0.7);
            }
        }

        body {
            margin: 0;
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            min-height: 100vh;
            background-color: var(--bg-color);
            flex-direction: column;
            position: relative;
            overflow-x: hidden;
            color: var(--text-color);
            transition: background-color 0.3s;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
        }
        #loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--loader-bg);
            z-index: 1000;
        }
        #progress {
            height: 100%;
            background: var(--button-bg);
            width: 0;
            transition: width 0.1s linear;
        }
        .container {
            text-align: left;
            margin-left: 16%;
            max-width: 600px;
            padding: 20px;
            z-index: 1;
            opacity: 0;
            animation: fadeIn 0.5s ease-in forwards;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .buttons {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }
        .background {
            position: absolute;
            right: 0;
            top: 0;
            bottom: 15%;
            width: 30%;
            margin-right: 5%;
            background: url('https://media.tenor.com/CfAOsEQu5IIAAAAj/3d-cat.gif') no-repeat right center;
            background-size: contain;
            z-index: 0;
            opacity: 0;
            animation: fadeIn 0.5s ease-in forwards, catAnimation 1s ease-in-out infinite;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
        }

        h1 {
            color: var(--text-color);
            font-family: "Unbounded", sans-serif;
            font-size: 3em;
            font-weight: 500;
            margin: 0 0 20px 0;
            line-height: 1.1;
            word-break: break-word;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
        }
        h1 span {
            color: var(--button-bg);
        }
        p {
            color: var(--secondary-text-color);
            font-family: "Golos Text", sans-serif;
            font-size: 1.2em;
            margin: 0 0 20px 0;
            line-height: 1.5;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
        }
        .button {
            padding: 15px 30px;
            background-color: var(--button-bg);
            color: #fff;
            text-decoration: none;
            border-radius: 20px;
            font-size: 1.1em;
            vertical-align: middle;
            position: relative;
            overflow: hidden;
            min-width: 250px;
            max-width: 300px;
            width: auto;
            text-align: center;
            display: flex;
            justify-content: center;
            align-items: center;
            animation: bounceIn 0.5s ease-out forwards;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            cursor: pointer;
            flex: 1;
        }
        .button::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: -100%;
            background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            animation: shine 4s ease-in-out infinite;
            z-index: 1;
        }
        @keyframes shine {
            0% { left: -100%; }
            10% { left: 100%; }
            100% { left: 100%; }
        }
        .button:hover {
            background-color: var(--button-hover);
            transform: scale(2);
        }
        .details-button {
            padding: 15px 30px;
            background-color: var(--details-bg);
            color: var(--text-color);
            border: 2.5px solid var(--details-border);
            border-radius: 20px;
            font-size: 1.1em;
            cursor: pointer;
            vertical-align: middle;
            min-width: 250px;
            max-width: 300px;
            width: auto;
            text-align: center;
            display: flex;
            justify-content: center;
            align-items: center;
            animation: fadeIn 0.5s ease-out forwards;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            flex: 1;
        }
        .details-button:hover {
            background-color: var(--details-hover-bg);
        }
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0);
            z-index: 1002;
            justify-content: center;
            align-items: center;
            animation: modalBgFadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
        }
        .modal.active {
            display: flex;
        }
        .modal-content {
            background: var(--bg-color);
            padding: 20px;
            border-radius: 20px;
            max-width: 500px;
            width: 90%;
            text-align: left;
            color: var(--text-color);
            box-shadow: 0 0 25px rgba(0, 0, 0, 0.052);
            position: relative;
            transform: scale(0.7);
            opacity: 0;
            animation: modalFadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
        }
        .modal-content.active {
            transform: scale(1);
            opacity: 1;
        }
        .modal-content h2 {
            font-family: "Unbounded", sans-serif;
            font-size: 1.5em;
            margin: 0 0 15px 0;
        }
        .modal-content p {
            font-family: "Golos Text", sans-serif;
            font-size: 1em;
            margin: 0 0 10px 0;
            line-height: 1.5;
        }
        .close-btn {
            position: absolute;
            top: 10px;
            right: 10px;
            background: none;
            border: none;
            font-size: 1.5em;
            color: var(--text-color);
            cursor: pointer;
        }
        .why-us {
            margin-left: 16%;
            max-width: 600px;
            padding: 20px;
            background: var(--details-bg);
            border-radius: 10px;
            margin-top: 20px;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
        }
        .why-us h2 {
            font-family: "Unbounded", sans-serif;
            font-size: 2em;
            color: var(--text-color);
            margin: 0 0 15px 0;
        }
        .why-us ul {
            list-style: none;
            padding: 0;
            color: var(--secondary-text-color);
            font-family: "Golos Text", sans-serif;
            font-size: 1.1em;
        }
        .why-us li {
            margin-bottom: 10px;
        }
        .copy-notification {
            position: fixed;
            bottom: 30px;
            right: 20px;
            background-color: var(--button-bg);
            color: #fff;
            padding: 15px 100px;
            border-radius: 20px;
            font-family: "Unbounded", Golos Text;
            font-size: 1.2em;
            opacity: 0;
            z-index: 533;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            transform: translateY(20px);
            display: none;
        }
        .copy-notification.active {
            display: block;
            animation: fadeInUp 0.3s ease-out forwards, fadeOut 2.5s ease-out 2s forwards;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes fadeOut {
            from {
                opacity: 1;
                transform: translateY(0);
            }
            to {
                opacity: 0;
                transform: translateY(20px);
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes bounceIn {
            0% { transform: scale(0); }
            70% { transform: scale(1.09); }
            100% { transform: scale(1); }
        }
        @keyframes modalFadeIn {
            0% {
                transform: scale(0.7);
                opacity: 0;
            }
            100% {
                transform: scale(1);
                opacity: 1;
            }
        }
        @keyframes modalBgFadeIn {
            0% {
                background: rgba(255, 255, 255, 0);
            }
            100% {
                background: var(--modal-bg);
            }
        }
        
        @media (max-width: 1333px) {
            .background {
                display: none;
            }
            .container {
                margin-left: 5%;
                max-width: 90%;
            }
            .button, .details-button {
                width: 300px;
                margin: 0 0 10px 0;
            }
        }
        
        @media (max-width: 768px) {
            .container {
                margin-left: 5%;
                max-width: 90%;
                padding: 15px;
            }
            h1 {
                font-size: 2.5em;
            }
            p {
                font-size: 1em;
            }
            .buttons {
                flex-direction: column;
                align-items: center;
            }
            .button, .details-button {
                width: 300px;
                margin: 0 0 10px 0;
                padding: 15px 50px;
                font-size: 1.2em;
                text-align: center;
            }
            .why-us {
                margin-left: 5%;
                max-width: 90%;
                padding: 15px;
            }
            .why-us h2 {
                font-size: 1.8em;
            }
            .copy-notification {
                bottom: 15px;
                right: 15px;
                padding: 8px 15px;
                font-size: 0.9em;
            }
        }
        
        @media (max-width: 480px) {
            .container {
                margin-left: 5%;
                max-width: 90%;
                padding: 10px;
            }
            h1 {
                font-size: 2em;
            }
            p {
                font-size: 0.9em;
                margin-bottom: 20px;
            }
            .buttons {
                flex-direction: column;
                align-items: center;
            }
            .button, .details-button {
                width: 300px;
                margin: 0 0 10px 0;
                padding: 15px 50px;
                font-size: 1.2em;
                text-align: center;
            }
            .why-us {
                margin-left: 5%;
                max-width: 90%;
                padding: 10px;
            }
            .why-us h2 {
                font-size: 1.5em;
            }
            .why-us li {
                font-size: 1em;
            }
            .copy-notification {
                bottom: 10px;
                right: 10px;
                padding: 6px 12px;
                font-size: 0.8em;
            }
        }      

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 548;
  display: flex;
  align-items: center;
  padding: 20px 40px;
  color: rgb(33, 33, 33);
  background-color: #ffffffac;
  font-family: 'Golos Text', sans-serif;
  backdrop-filter: blur(20px);
}


.logo-title {
  display: flex;
  align-items: center;
  margin-left: 7%;
  gap: 30px;
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-menu li a {
  color: rgb(41, 41, 41);
  text-decoration: none;
  font-family: Unbounded;
  font-size: 16px;
  font-weight: 300;
  transition: all 0.7s ease;
}

.nav-menu li a:first-child {
    margin-left: 60px;
}

.nav-menu li a:hover {
  color: #111111;
  font-size: 17px;
  cursor: pointer;
}

.burger {
  display: none;
  font-size: 28px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  color: rgb(33, 33, 33);
}

@media (max-width: 768px) {
  .nav-menu {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffffa1;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    backdrop-filter: blur(20px);
    padding: 20px 0;
    display: none;
  }

  .nav-menu.active {
    display: flex;
  }

  .burger {
    display: block;
  }
}

/* Классы для анимаций */
.fade-in {
    animation: fadeIn 0.5s ease-in forwards;
}

.bounce-in {
    animation: bounceIn 0.5s ease-out forwards;
}

.fade-in-delayed {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Классы для состояния загрузчика */
.loader-hidden {
    opacity: 0;
    transition: opacity 0.5s ease-out;
}

.loader-removed {
    display: none;
}

/* Классы для состояния body */
.body-scrollable {
    overflow: auto;
}