:root {
      --mylogo: #26D9CD;
      --accent: #26D97C;
      --myinterface: #16847D;
      --bg: #121212;
      --black2: #191919;
      --black3: #1C1C1C;
      --grey: #404040;
      --grey2: #666666;
      --text: #FFFFFF;
      --header-height: 100px;
    }
    html {
    scroll-behavior: smooth;
}
    body {
      margin: 0;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
    }
    h1, h2, h3, h4, h5, h6, .main-title {
  font-family: 'Ubuntu', Arial, sans-serif;
  font-weight: 300;
}
* {
    font-weight: 300;
}
        #preloader {
            position: fixed;
            align-items: center; 
            justify-content: center; 
            top: 0; left: 0;
            width: 100vw; height: 100vh;
            background: var(--bg);
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color 0.4s;
        }
        #preloader.hide {
            opacity: 0;
            pointer-events: none;
        }
       .spinner {
    width: 32px;
    height: 32px;
    border-radius: 50%; 
    border: 4px solid transparent; 
    border-top-color: var(--myinterface); 
    animation: spin 0.4s linear infinite; 
}
@keyframes spin {
    0% {
        transform: rotate(0deg); 
    }
    100% {
        transform: rotate(360deg);
    }
}
.hero {
  position: relative;
  width: 100%;
  height: 640px;
  overflow: hidden;
  background: var(--bg);
  margin-bottom: 0px;
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
}
.hero canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}
.hero-content {
  margin-top: 7px;
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--bg);
  padding: 0px;
}
.hero-content h1 {
  font-size: 64px;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 0px;
  margin-top: 40px;
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
}
.hero-content p {
  font-size: 32px;
  color: var(--text);
  max-width: 1000px;
  margin-bottom: 60px;
  animation: zoomIn 1.2s ease forwards; 
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
}
@keyframes zoomIn {
    from {
        opacity: 0; 
        transform: scale(0.4);
    }
    to {
        opacity: 1; 
        transform: scale(1);
    }
}
.btn {
      padding: 16px 32px;
      width: 260px;
      height: 56px;
      font-size: 16px;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      color: var(--text);
      border: 1px solid var(--accent);
      background: var(--bg);
      border-radius: 60px;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.4s ease;
      animation: btn-breathe 2.4s ease-in-out infinite;
      -webkit-user-select: none; 
      -moz-user-select: none;    
      -ms-user-select: none;     
      user-select: none;
    }
    .btn:hover {
      border: 1px solid var(--accent);
      background: var(--bg);
      color: var(--accent);
    }
    .btn:active {
  border: 1px solid var(--myinterface);
  background: var(--bg); 
  color: var(--myinterface);                
  transform: scale(0.96);        
}
@keyframes btn-breathe {
  0% {
    box-shadow: 0 0 0 0 var(--accent), 0 4px 8px 0 var(--black2);
  }
  50% {
    box-shadow: 0 0 8px 0 var(--accent), 0 4px 8px 0 var(--black2);
  }
  100% {
    box-shadow: 0 0 0 0 var(--accent), 0 4px 8px 0 var(--black2);
  }
}
.buttn {
      padding: 16px 32px;
      width: 132px;
      height: 56px;
      font-size: 16px;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      color: var(--text);
      border: 1px solid var(--accent);
      background: var(--bg);
      border-radius: 60px;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.4s ease;
      -webkit-user-select: none; 
      -moz-user-select: none;    
      -ms-user-select: none;     
      user-select: none;
    }
    .buttn:hover {
      border: 1px solid var(--accent);
      background: var(--bg);
      color: var(--accent);
    }
    .buttn:active {
  border: 1px solid var(--myinterface);
  background: var(--bg); 
  color: var(--myinterface);                
  transform: scale(0.96);        
}
.mobile-br {
  display: none;
}
    .header {
      position: fixed;
      top: 0; left: 0; right: 0;
      height: var(--header-height);
      background: var(--bg);
      display: flex;
      align-items: center;
      box-sizing: border-box;
      justify-content: space-between;
      padding: 0 80px;
      z-index: 100;
      border-bottom: 1px solid var(--grey);
      border-radius: 0 0 40px 40px;
    }
    .logo {
      display: flex;
      align-items: center;
      color: var(--accent);
      text-decoration: none;
      height: 48px;        
      min-width: 100px;    
      overflow: hidden;
      transition: transform 0.4s ease, filter 0.4s ease;
      cursor: pointer;
      -webkit-user-select: none; 
      -moz-user-select: none;    
      -ms-user-select: none;     
      user-select: none;
    }
    .logo:hover {
  transform: scale(1.04);  
}
.logo:active {
  transform: scale(0.96);  
}
    .logo img {
      height: 48px;
      margin-right: 0;
      display: block;
    }
    .weather {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--grey2);
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
}
.weather img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}
    .nav {
      display: flex;
      gap: 24px;
      -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
    }
    .nav a {
      color: var(--text);
      font-family: 'DM Sans', Arial, sans-serif;
      text-decoration: none;
      font-weight: 300;
      font-size: 16px;
      transition: color 0.4s;
      position: relative;
      font-size: 16px;
    }
    .nav a::after {
      content: '';
      display: block;
      width: 0;
      height: 1px;
      background: var(--accent);
      transition: width 0.4s;
      position: absolute;
      left: 0; bottom: -4px;
    }
    .nav a:hover, .nav a.active {
      color: var(--accent);
    }
    .nav a:hover::after, .nav a.active::after {
      width: 100%;
    }
    .nav a:active {
  color: var(--myinterface);
}
.nav a:active::after {
  width: 100%;
  opacity: 0.4; 
}
    .nav-submenu {
      position: relative;
      display: inline-block;
    }
    .nav-submenu-toggle {
      cursor: pointer;
      color: var(--text);
      text-decoration: none;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      font-size: 1em;
      transition: color 0.4s;
      padding: 0 0px;
    }
    .nav-submenu-list {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      background: var(--black2);
      border-radius: 0px 16px 16px 16px;
      box-shadow: 4px 0px 8px var(--black2);
      min-width: auto;
      z-index: 200;
      flex-direction: column;
      padding: 4px 0px;
      overflow: hidden;
      transform-origin: top;
      animation: rotateInFromTop 0.4s forwards;
    }
    .nav-submenu-list a {
      display: block;
      color: var(--text);
      padding: 8px 8px 0px 8px;
      text-decoration: none;
      font-size: 1em;
      white-space: nowrap;
      transition: color 0.4s;
    }
    .nav-submenu-list a:first-child:hover {
  border-radius: 0 16px 0 0;
}
    .menu li:hover > a {
  color: var(--myinterface);
}
    .nav-submenu-list a:hover {
      background: var(--black3);
      color: var(--accent);
    }
    .nav-submenu-list a:focus {
  color: var(--myinterface);
}
    .nav-submenu:hover .nav-submenu-list,
    .nav-submenu:focus-within .nav-submenu-list {
      display: flex;
    }
    .burger {
      display: none;
      flex-direction: column;
      justify-content: center;
      width: 32px;
      height: 40px;
      margin-right: 6px;
      background: none;
      border: none;
      cursor: pointer;
      z-index: 101;
    }
    .burger span {
      display: block;
      height: 1px;
      width: 32px;
      background: var(--text);
      margin: 4px 0;
      border-radius: 0px;
      transition: 0.4s;
      transform-origin: right;
    }
    .burger.open span {
  background: var(--accent); 
}
.burger.open span:nth-child(3) {
  transform-origin: right;
  transform: scaleX(0.5);
}
    .mobile-menu {
      display: none;
      flex-direction: column;
      position: fixed;
      top: var(--header-height); left: 0; right: 0;
      background: var(--bg);
      z-index: 100;
      padding: 12px 24px 12px 20px;
      transform-origin: top;
      animation: rotateInFromTop 0.4s forwards;
    }
    @keyframes rotateInFromTop {
    0% {
        transform: rotateX(-90deg);
        opacity: 0;
    }
    100% {
        transform: rotateX(0);
        opacity: 1;
    }
}
    .mobile-menu.open {
      display: flex;
      padding-top: 24px;
      padding-bottom: 0px;
    }
    .mobile-menu a {
      color: var(--text);
      text-decoration: none;
      font-size: 14px;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      margin-bottom: 20px;
      transition: color 0.4s;
      -webkit-user-select: none; 
      -moz-user-select: none;    
      -ms-user-select: none;     
      user-select: none;
    }
    .mobile-menu a:hover {
      color: var(--accent);
    }
    .mobile-menu a:active {
      color: var(--myinterface);
    }
    .submenu {
      position: relative;
      width: 100%;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
    }
    .submenu-toggle {
      background: none;
      border: none;
      color: var(--text);
      font-size: 14px;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      text-align: left;
      width: 100%;
      padding: 0;
      margin-bottom: 12px;
      cursor: pointer;
      outline: none;
    }
    .submenu-toggle:hover {
  color: var(--accent);
}.submenu-toggle:active {
  color: var(--myinterface);
}
    .submenu-list {
      display: none;
      flex-direction: column;
      margin-left: 20px;
      margin-bottom: 0px;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      transform-origin: top;
      animation: rotateInFromTop 0.4s forwards;
    }
    .submenu.open .submenu-list {
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      display: flex;
    }
    .submenu-list a {
      font-size: 14px;
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      margin-bottom: 12px;
      color: var(--text);
    }
    .submenu-list a:hover {
      color: var(--accent);
    }
    .submenu-list a:active {
      color: var(--myinterface);
    }
    .advantages {
  padding: 0px 0px;
  background-color: var(--bg);
  text-align: center;
  margin-top: 0px;
  margin: 0 auto;
}
.advantages h2 {
      font-size: 48px;
      margin-top: 52px;
      margin-bottom: 40px;
}
.advantages-list {
  display: flex;
  justify-content: center;
  gap: 76px;
  flex-wrap: nowrap;
}
.advantage-item {
  max-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.advantage-item h3 {
  font-size: 24px;
  margin-bottom: 20px;
  margin-top: 0px;
  color: var(--accent);
}
.advantage-item p {
  font-size: 16px;
  color: var(--text);
}
p {
    padding: 0; 
    margin: 0; 
}
ul {
      list-style: none;
      padding: 0;
      width: 100%;
      margin: 0;
    }
    li {
      margin-bottom: -20px;
      line-height: 1;
    }
    .portfolio-title {
    font-size: 48px; 
    color: var(--text); 
    margin-bottom: 40px; 
    text-align: center;
    }
    .portfolio-link {
      display: block;
      background: var(--black3);
      color: var(--text);
      text-decoration: none;
      border-radius: 20px;
      padding: 24px 24px;
      font-size: 24px;
      transition: box-shadow 0.4s;
      font-family: 'Ubuntu', Arial, sans-serif;
      font-weight: 300;
      box-shadow: 4px 0px 8px var(--black2);
      transition: color 0.4s;
      margin-top: 40px;
      margin-bottom: 30px;
      text-align: center;
      -webkit-user-select: none; 
      -moz-user-select: none;    
      -ms-user-select: none;     
      user-select: none;
    }
    .portfolio-link:hover {
      box-shadow: 4px 0px 8px var(--accent);
    }
    .portfolio-link:active {
    box-shadow: 4px 0px 8px var(--myinterface); 
    color: var(--text);
    transform: scale(0.96);
    }
.reviews-section {
    background: var(--bg);
    padding: 0px;
    border-radius: 20px;
    width: 100%;
    max-width: 1200px; 
    margin: 12px auto 0;
    margin-bottom: -10px;
}
.reviews-title {
    font-size: 48px; 
    color: var(--text); 
    margin-bottom: 40px; 
    text-align: center; 
}
.review {
    border-bottom: 1px solid var(--accent); 
    padding: 10px 0; 
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    transform: translateY(20px); 
}
.review.visible {
    opacity: 1; 
    transform: translateY(0); 
}
.review:last-child {
    border-bottom: none; 
}
.review-text {
    font-size: 16px; 
    color: var(--text); 
}
.review-author {
    font-size: 16px; 
    color: var(--grey2); 
    text-align: right; 
}
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(-10px);}
      to { opacity: 1; transform: none;}
    }
    main {
      padding: 80px 24px 0px 24px;
      max-width: 1076px;
      margin: 0 auto;
    }
    .main-title {
      margin-top: 0px;
      text-align: center;
      font-size: 48px;
      margin-bottom: 20px;
    }
    .subtitle {
      font-size: 16px;
      color: var(--grey2);
      margin-bottom: 40px;
      text-align: center;
    }
    .features {
      display: flex;
      flex-wrap: wrap;
      gap: 28px;
      margin-bottom: 80px;
    }
    .feature-image {
    height: auto; 
    border-radius: 20px 20px 0px 0px; 
    margin-bottom: 16px; 
    width: 248px; 
    object-fit: cover;
    display: block; 
    margin-left: -24px; 
    margin-top: -24px; 
}
    .feature {
      flex: 1 1 200px;
      background: var(--black3);
      border-radius: 20px;
      padding: 24px;
      min-width: 120px;
      box-shadow: 4px 0px 8px var(--black2);
    }
    .feature-title {
      font-family: 'Ubuntu', Arial, sans-serif;
      font-weight: 300;
      font-size: 24px;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .business-article {
      margin-top: 52px;
      line-height: 24px;
      -webkit-user-select: none; 
      -moz-user-select: none;    
      -ms-user-select: none;     
      user-select: none;
}
    .footer {
  box-sizing: border-box;
  border-top: 1px solid var(--grey);
  border-radius: 40px 40px 0 0;
  background: var(--bg);
  color: var(--text);
  padding: 60px 0px;
  z-index: 5;
}
.footer__container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 80px;
}
.footer__tagline {
  font-size: 14px;
  color: var(--grey2);
  max-width: 240px;
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none; 
}
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer__nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
  transition: 0.4s;
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
}
.footer__nav a:hover,
.footer__nav a.active {
  color: var(--accent);
}
.footer__nav a:active {
  color: var(--myinterface);
}
.footer__contact {
  font-family: 'Ubuntu', Arial, sans-serif;
  font-weight: 300;
  font-size: 24px;
  display: flex;
  flex-direction: column;
  gap: 0px;
  color: var(--mylogo);
}
.footer__socials {
            display: flex;
            gap: 16px;
        }
        .footer__socials a {
            text-decoration: none;
        }
        .footer__socials i {
            font-size: 24px; 
            color: var(--text);
            transition: color 0.4s;
        }
        .footer__socials i:hover {
            color: var(--accent);
        }
        .footer__socials i:active {
          color: var(--myinterface);
            transform: scale(0.96);
        }
#scrollToTop {
    position: fixed;
    bottom: 40px; 
    right: -80px;
    opacity: 0;
    display: none; 
    background-color: transparent;
    color: var(--text);
    border: 1px solid var(--grey); 
    border-radius: 50%;
    width: 40px; 
    height: 40px; 
    padding: 0; 
    cursor: pointer; 
    transition: right 0.3s ease, opacity 0.3s ease;
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center;
    z-index: 1000; 
}
#scrollToTop.show {
    right: 20px; 
    opacity: 1; 
}
#scrollToTop:hover {
    border-color: var(--accent);
    color: var(--accent);
}
#scrollToTop:active {
    border: 1px solid var(--myinterface);
    background: transparent; 
    color: var(--myinterface);                
    transform: scale(0.96);  
}
@keyframes flipIn {
  from {
    transform: rotateY(90deg);
    opacity: 0;
  }
  to {
    transform: rotateY(0deg);
    opacity: 1;
  }
}
.flip-block {
  opacity: 0; 
  transition: opacity 0.4s ease;
}
.flip-in {
  animation: flipIn 0.8s ease forwards; 
  opacity: 1; 
}
.services-title {
    font-size: 48px;
    width: 100%;
    color: var(--text); 
    margin-bottom: -28px; 
    margin-top: 52px;
    text-align: center;
    font-weight: 300;
    }
.services-form-block {
  display: flex;
  gap: 0;
  background: var(--black3);
  box-shadow: 4px 0px 8px var(--black2);
  margin: 40px auto 0 auto;
  overflow: hidden;
  border-radius: 20px;
  font-weight: 300;
}
.services-list {
  flex: 1.6;
  padding: 24px 24px;
  background: var(--black3);
  color: var(--text);
  display: flex;
  font-family: 'Ubuntu', Arial, sans-serif;
  font-size: 24px;
  font-weight: 300;
  flex-direction: column;
  justify-content: center;
}
.services-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-weight: 300;
}
.services-list li {
  margin-bottom: 28px;
  font-size: 24px;
  color: var(--accent);
  font-weight: 300;
}
.services-list li:last-child {
    margin-bottom: 0;
}
.services-list b {
  font-family: 'Ubuntu', Arial, sans-serif;
  font-size: 24px;
  font-weight: 300; 
}
.services-list span {
  background: var(--black3);
  color: var(--text);
  font-family: 'DM Sans', Arial, sans-serif;
  font-weight: 300;
  font-size: 16px;
}
.inline-form {
  flex: 1;
  background: var(--black3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 24px;
  margin-top: -2px;
  margin-right: 24px;
  font-weight: 300;
}
@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.8) rotate(10deg);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.05) rotate(-5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}
.services-form-block {
    opacity: 0; 
    transform: scale(0.8); 
    transition: opacity 0.5s ease-out, transform 0.5s ease-out; 
}
.services-form-block.show {
    opacity: 1; 
    transform: scale(1); 
}
.inline-form form input,
.inline-form form textarea {
  width: 100%;
  margin-top: 0px;
  margin-bottom: 16px;
  padding: 16px 8px;
  background: var(--black3);
  color: var(--text);
  border: 1px solid var(--grey2);
  font-weight: 300;
  border-radius: 24px;
  font-size: 16px;
  font-family: 'DM Sans', Arial, sans-serif;
  transition: border 0.2s, background 0.2s;
  resize: none; 
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
}
input[type="text"]::placeholder {
    color: var(--grey2);
}
textarea::placeholder {
    color: var(--grey2);
}
.inline-form form input:focus,
.inline-form form textarea:focus {
  border: 1px solid var(--myinterface);
  outline: none;
  font-weight: 300;
}
.inline-form form button[type="submit"] {  
  width: 152px;
  height: 56px;
  color: var(--text);
  padding: 16px 32px;
  border: none;
  border-radius: 60px;
  border-color: var(--accent);
  border: 1px solid var(--accent);
  font-size: 16px;
  font-family: 'DM Sans', Arial, sans-serif;
  font-weight: 300;
  cursor: pointer;
  text-decoration: none;
  background: transparent;
  letter-spacing: 0.04em;
  margin-top: 19px;
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
}
    .inline-form form button[type="submit"]:hover {
      border: 1px solid var(--accent);
      background: transparent; 
      color: var(--accent);
    }
    .inline-form form button[type="submit"]:active {
  border: 1px solid var(--myinterface);
  background: transparent; 
  color: var(--myinterface);                
  transform: scale(0.96);        
}
.success {
    margin-top: 15px;
    background-color: var(--black3); 
    color: var(--mylogo); 
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 14px;
    margin-left: 12px;
}
.error {
    margin-top: 15px;
    margin-left: 12px;
    background-color: var(--black3); 
    color: var(--accent); 
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 14px;
}
.sending {
    margin-top: 15px;
    background-color: var(--black3); 
    color: var(--myinterface);
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 14px;
    margin-left: 12px;
}
.button-wrapper {
    display: flex; 
    align-items: center;
}
.modal {
  border-radius: 20px;
  display: none;
  margin-top: 60px;
  position: absolute;
  top: 160;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay {
  border-radius: 0px;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(1px);
}
.modal-content {
  position: relative;
  z-index: 1001;
  width: 80%;
  max-width: 1400px;
  min-width: 300px; 
  height: auto; 
  max-height: 100vh; 
  background: transparent;
  border-radius: 20px;
  overflow: hidden; 
  animation: fadeIn 0.4s ease-out;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 20px;
  font-size: 24px;
  color: var(--grey2); 
  cursor: pointer;
  z-index: 1002; 
  transition: color 0.2s;
}
.modal-close:hover {
  color: var(--accent); 
}
.modal-close:active {
  color: var(--myinterface); 
  transform: scale(0.96);
}
#calcIframe {
  width: 100%;
  height: 100vh; 
  max-height: 80vh; 
  border: none;
  background: transparent;
  display: block;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 1000px) {
  .modal {
  border-radius: 0px;
  display: none;
  margin-top: 60px;
  position: absolute;
  top: 60;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
  .modal-content {
    margin-top: 0px;
    width: 400px;
    max-width: 100%;
    height: 1200px;
    max-height: 1200px;
    justify-content: center;
  }
  .modal-overlay {
  border-radius: 0px;
  position: absolute;
  top: -200px;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg)
}
  #calcIframe {
    max-height: 100vh;
  }
  .modal-close {
  position: absolute;
  top: 20px;
  right: 28px;
  font-size: 24px;
  color: var(--grey2); 
  cursor: pointer;
  z-index: 1002; 
  transition: color 0.2s;
}
.modal-close:hover {
  color: var(--accent); 
}
.modal-close:active {
  color: var(--myinterface); 
  transform: scale(0.96);
}
}
@media (max-width: 1000px) {
      main {
        padding: 24px 4vw 24px 4vw;
      }
      .portfolio-link {
      display: block;
      background: var(--black3);
      color: var(--text);
      text-decoration: none;
      border-radius: 20px;
      padding: 20px 20px;
      font-size: 20px;
      transition: box-shadow 0.4s;
      font-family: 'Ubuntu', Arial, sans-serif;
      font-weight: 300;
      box-shadow: 4px 0px 8px var(--black2);
      transition: color 0.4s;
      margin-top: 12px;
      margin-bottom: 12px;
      text-align: center;
      -webkit-user-select: none; 
      -moz-user-select: none;    
      -ms-user-select: none;     
      user-select: none;
    }
    .portfolio-title {
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 28px; 
    margin-bottom: 20px; 
    margin-top: -28px;
    }
      li {
        margin-bottom: 12px;
        line-height: 1;
      }
    .reviews-title {
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 28px; 
    margin-top: 6px;
    margin-bottom: 10px;
    -webkit-user-select: none; 
    -moz-user-select: none;    
    -ms-user-select: none;     
    user-select: none; 
}
.review {
    border-bottom: 1px solid var(--accent); 
    padding: 10px 0; 
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    transform: translateY(20px); 
}
.review.visible {
    opacity: 1; 
    transform: translateY(0); 
}
.review:last-child {
    border-bottom: none; 
}
.review-text {
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 16px;        
    margin-bottom: 4px;
}
.review-author {
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 16px; 
    color: var(--grey2); 
    text-align: right; 
}
.business-article br {
        display: none;
    }
.business-article {
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      font-size: 16px;    
      margin-top: 20px;
      line-height: 24px;
      text-align: center;
      -webkit-user-select: none; 
      -moz-user-select: none;    
      -ms-user-select: none;     
      user-select: none;
}
    }
@media (max-width: 1000px) {
  .services-form-block {
    flex-direction: column;
    max-width: 100vw;
    margin: 20px auto 0 auto;
  }
  .services-title {
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 28px; 
    margin-top: 20px;
    margin-bottom: -40px;
    }
.services-form-block {
  display: flex;
  gap: 0;
  background: var(--black3);
  box-shadow: 4px 0px 8px var(--black2);
  margin: 40px auto 0 auto;
  overflow: hidden;
  border-radius: 20px;
  font-weight: 300;
  margin-bottom: -32px;
}
.services-list {
  flex: 1.6;
  padding: 16px 16px 16px 16px;
  background: var(--black3);
  color: var(--text);
  display: flex;
  font-family: 'Ubuntu', Arial, sans-serif;
  font-size: 24px;
  font-weight: 300;
  flex-direction: column;
  justify-content: center;
}
.services-list ul {
  text-align: center;
  list-style: none;
  padding: 10;
  margin: 0;
  font-weight: 300;
}
.services-list li {
  margin-bottom: 8px;
  font-size: 24px;
  color: var(--accent);
  font-weight: 300;
}
.services-list li:last-child {
    margin-bottom: 0;
}
.services-list b {
  font-family: 'Ubuntu', Arial, sans-serif;
  font-size: 20px;
  font-weight: 300; 
}
.services-list span {
  background: var(--black3);
  color: var(--text);
  font-family: 'DM Sans', Arial, sans-serif;
  font-weight: 300;
  font-size: 16px;
}
.inline-form {
  flex: 1;
  background: var(--black3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6px 16px 16px 16px;
  margin-right: 16px;
  font-weight: 300;
}
.inline-form form button[type="submit"] {  
  margin-top: -1px;
}
.success {
    margin-top: 2px;
    background-color: var(--black3); 
    color: var(--mylogo); 
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 14px;
    margin-left: 12px;
}
.error {
    margin-top: 2px;
    margin-left: 12px;
    background-color: var(--black3); 
    color: var(--accent); 
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 14px;
}
.sending {
    margin-top: 2px;
    background-color: var(--black3); 
    color: var(--myinterface);
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 14px;
    margin-left: 12px;
}
.footer {
  border-top: 1px solid var(--grey);
  background: var(--bg);
  color: var(--text);
  padding: 40px 0px 40px 0px;
  z-index: 5;
}
.footer__container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer__tagline {
  font-size: 14px;
  color: var(--grey2);
  max-width: 240px;
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none; 
}
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer__nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: 0.4s;
  -webkit-user-select: none; 
  -moz-user-select: none;    
  -ms-user-select: none;     
  user-select: none;
}
.footer__nav a:hover {
  color: var(--accent);
}
.footer__nav a:active {
  color: var(--myinterface);
}
.footer__contact {
  margin-top: 20px;
  font-family: 'Ubuntu', Arial, sans-serif;
  font-weight: 300;
  font-size: 20px;
  display: flex;
  flex-direction: column;
  gap: 0px;
  color: var(--mylogo);
}
.footer__socials {
            display: flex;
            gap: 16px;
        }

        .footer__socials a {
            text-decoration: none;
        }

        .footer__socials i {
            font-size: 24px; 
            color: var(--text);
            transition: color 0.4s;
        }

        .footer__socials i:hover {
            color: var(--accent);
        }
        .footer__socials i:active {
          color: var(--myinterface);
            transform: scale(0.96);
        }
}
@media (max-width: 1000px) {
      :root {
    --header-height: 80px;
  }
      .nav { display: none; 
      font-family: 'DM Sans', Arial, sans-serif;
      font-weight: 300;
      
      }
      .header {
    padding: 0 20px;
    height: 80px
  }
  .logo {
    height: 40px;
    min-width: auto; 
  }
  .logo img {
    height: 40px;
  }
  .header {
    border-radius: 0; 
  }
  .header::after {
    border-radius: 0;   
  }
  .footer {
    border-radius: 0;  
  }
  .hero-content h1 {
    margin-top: 33px;
    font-size: 32px;
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;

  }
  .hero-content p {
    margin-top: -8px;
    font-size: 20px;
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;
    margin-bottom: 40px;
  }
  .hero-content {
    justify-content: flex-start;
    padding-top: 200px;
  }
  .btn {
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    padding: 16px 32px;
    font-size: 16px;
    max-width: 320px;
    border-radius: 60px;
  }
  .buttn {
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    padding: 16px 32px;
    font-size: 16px;
    max-width: 320px;
    border-radius: 60px;
  }
  .mobile-br {
    display: inline;
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
  }
  .submenu-toggle {
  position: relative;
  font-family: 'DM Sans', Arial, sans-serif;
  font-weight: 300;
}
.submenu-toggle::after {
  content: '';
  display: inline-block;
  position: absolute;
  right: 12.5px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-right: 1px solid var(--text);
  border-bottom: 1px solid var(--text);
  transform: translateY(-60%) rotate(45deg);
  transition: transform 0.4s;
  pointer-events: none;
}
  main {
    padding: 40px 20px 40px 20px;
    max-width: 100vw;
  }
  .main-title {
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 28px;
    margin-bottom: 4px;
    margin-top: 40px;
  }
  .subtitle {
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 16px;
    margin-bottom: 20px;
  }
  .feature {
    margin: 0;
    padding: 0;    
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;  
    flex: 1 0 auto; 
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;   
  }
  .feature-image {
    width: 100%;
    padding: 0;
    height: 200px;          
    display: block;               
    margin: 0 auto;  
    margin-top: 0px; 
    -webkit-user-select: none; 
    -moz-user-select: none;    
    -ms-user-select: none;     
    user-select: none;      
  }
  .features,
  .advantages-list {
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
    margin-bottom: 32px;
  }
  .feature-title {
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;
    font-size: 20px;  
    text-align: center;       
    margin-bottom: 4px;
    margin-top: 16px;
    margin-left: 16px; 
    margin-right: 16px;          
}
.feature-title br {
        display: none;
    }
.feature-text {
    font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 16px;   
    text-align: center;     
    margin-bottom: 16px;
    margin-left: 16px;   
    margin-right: 16px;       
}
  .feature,
  .advantage-item {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0px 0px;
  }
  .advantages {
    padding: 0 0;
  }
  .advantages h2 {
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 28px;
    margin-top: 20px;
    margin-bottom: 20px;
      }
      .advantage-item h3 {
    font-family: 'Ubuntu', Arial, sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 20px;  
    margin-bottom: 0px; 
}
.advantage-item p {
  font-family: 'DM Sans', Arial, sans-serif;
    font-weight: 300;
    font-size: 16px;        
    margin-bottom: 4px;
    margin-top: 4px; 
} 
.submenu.open .submenu-toggle::after {
  transform: translateY(-60%) rotate(225deg);
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
}
      .burger { display: flex; }
      .mobile-menu { top: var(--header-height); }
      main { padding: 40px 20px 40px 20px; }
      .features { flex-direction: column; gap: 20px; }
    }
    .mobile-menu .submenu {
  margin-bottom: 8px;
  margin-top: 0;
}
@media screen and (orientation: landscape) and (max-width: 1000px) {
  body::before {
    content: "Поверните устройство вертикально и обновите страницу.";
    position: fixed;
    z-index: 9999;
    inset: 0;
    background: var(--bg);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    text-align: center;
    pointer-events: all;
  }
}
#portfolio-title, #services-title, #reviews-title {
  scroll-margin-top: 140px;
}
@media (max-width: 1000px) {
  #portfolio-title, #services-title, #reviews-title {
    scroll-margin-top: 100px;
  }
}