:root{
  --bg:#ffffff;
  --accent:#00c0f2;
  --muted:#6b6b6b;
  --card:#f7f7f7;
  --accent-2:#bbbdc0;
  --container:1200px;
  --radius:12px;
  --pad:20px;
  --fontsize: 18px;
  --biggerfontsize: 24px;
  --borderradius: 50px;
  font-family: 'OpenSansRegular', Arial, "Helvetica Neue", sans-serif;
  color: #222;
}
.section h3 {
    color: var(--accent-2);
    font-size: 64px;
    font-family: 'OpenSansBold', Arial, "Helvetica Neue", sans-serif;
    font-weight: 700;
}
b{
    font-family: 'OpenSansBold', Arial, "Helvetica Neue", sans-serif;
    font-weight: 700;
}
h4, .semibold_text{
    font-family: 'OpenSansSemibold', Arial, "Helvetica Neue", sans-serif;
    font-weight: 500;
}
    .container{max-width:var(--container);margin:0 auto;padding:30px}
    .header-inner{padding: 5px 30px}
/* --- Hero --- */
.hero {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 28px;
  align-items: center;
  display: block;
  padding: 100px 0;
}
.hero-left h2 {
  font-size: 42px;
  color: #000;
  line-height: 1.05;
  margin-bottom: 18px;
}

.hero-left p {
  color: var(--muted);
  font-size: var(--fontsize);
  margin-bottom: var(--fontsize);
}

.cta {
  display: flex;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.hero-right {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 12px;
}

.spec {
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-features {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.hero-features li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 10px;
  padding-left: 0;
  color: var(--muted);
  font-size: var(--fontsize);
  line-height: 1.4;
}

.hero-features li::before {
  content: '✓';
  color: var(--muted);
  font-weight: 700;
  font-size: 18px;
  margin-right: 12px;
  flex-shrink: 0;
}

.hero-services {
  list-style: none;
  padding: 0;
  margin: 12px 0 20px 0;
}

.hero-services li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 8px;
  padding-left: 0;
  color: var(--muted);
  font-size: var(--fontsize);
  line-height: var(--fontsize);
}

.hero-services li::before {
  content: '•';
  color: var(--accent);
  font-weight: 700;
  font-size: var(--biggerfontsize);
  margin-right: 12px;
  flex-shrink: 0;
}

/* --- Responsive --- */
@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

.logo-image img{
    max-width: 56px;
}
.phone a{
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
}
.hero{
    background-image: linear-gradient(180deg, #f9f9f9bd, rgba(238, 217, 198, 0.05)), url(images/fs_bg.jpg); /*images/fs_bg.png*/
    background-size: cover;
    background-position-y: bottom;
}
.hero-inner {
    background: #ffffffc7;
}
.l-col{
    font-size: 19px;
    line-height: 1.6em;
}
.since{
    color: #fff;
    background: var(--accent);
    font-size: 18px;
     padding: 12px 30px;
    border-radius: 50px;
    text-align: center;
    display: inline-block;
    /*margin-left: 30px;*/
    left: calc(100% - 450px);
    position: relative
}
.since b{
    font-size: 22px;
}
#about{
    display: flex;
    flex-direction: row;
    flex-shrink: 0;
}
.l-col h3{
    display: inline-block;
    width: fit-content;
}
.l-col{
    width: 60%;
}
.r-col{
    width: 40%;    
}
.r-col img{
    width: 100%;
    border-radius: var(--borderradius);
}

#about h4{
    font-size: 28px;
    margin-top: 24px;
    margin-bottom: 12px;
    color: #000;
    
}
.about-list{
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}
.about-list li{
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    padding-left: 0;
}
.about-list li::before{
    content: '✓';
    color: var(--accent);
    font-weight: 700;
    font-size: 20px;
    margin-right: 20px;
    flex-shrink: 0;
}

/* --- Мы производим --- */
#products h3 {
    position: relative;
    display: inline-block;
}
.mi_proizvodim {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.mi_left {
    width: 35%;
    flex-shrink: 0;
}

.mi_left img {
    width: 100%;
    height: auto;
    border-radius: var(--borderradius);
    display: block;
}

.mi_right {
    width: 65%;
    overflow: hidden;
}

.mi_right h4 {
    position: relative;
    font-size: 24px;
    margin-bottom: 24px;
    color: #000;
    width: fit-content;
    padding: 0 30px 0 0;
}

.mi_right h4::after {
    content: '';
    position: absolute;
    bottom: 50%;
    left: 100%;
    width: 9999px;
    height: 2px;
    background: var(--accent);
}

.mi_right .products-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.mi_right .products-list li{
    width: calc(50% - 6px);
}
.mi_right .products-list li:last-child {
   width: 100%;
}
.mi_right .products-list li {
    background: var(--accent);
    color: #fff;
    padding: 14px 16px;
    border-radius: 20px;
    text-align: center;
    list-style: none;
    font-weight: 500;
}

/* --- Наши преимущества --- */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.adv {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #eee;
}

.adv-icon {
    width: 70px;
    height: 70px;
    flex-shrink: 0;
    display: block;
    height: auto;
}

.adv-content {
    flex: 1;
}

.adv-content h4 {
    margin: 0 0 8px 0;
    color: #000;
    font-size: var(--biggerfontsize);
}

.adv-content p {
    margin: 0;
    color: var(--muted);
    font-size: var(--fontsize);
    line-height: 1.5;
}

/* --- Индивидуальный подход --- */
.individual-approach-section {
    background: var(--accent);
    padding: 40px 0;
}

.individual-approach {
    display: flex;
    align-items: center;
    gap: 20px;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.individual-approach img {
    height: 50px;
    width: auto;
    flex-shrink: 0;
    display: block;
}

.approach-block {
    flex-shrink: 0;
}

.approach-block h3 {
    margin: 0;
    color: #fff;
    font-size: 28px;
    font-weight: 700;
}

.approach-block p {
    margin: 0;
    color: #fff;
    font-size: var(--biggerfontsize);
    line-height: 1.4;
}

/* Steps in individual-approach */
.approach-steps{
    margin-top:14px;
    color:#fff;
}
.approach-steps .steps-intro{
    font-size: var(--biggerfontsize);
    color: #fff;
    margin:0 0 8px 0;
    font-weight:600;
    font-family: 'OpenSansBold', Arial, "Helvetica Neue", sans-serif;
}
.steps-row{
    display:flex;
    align-items:center;
    gap:12px;
    flex-wrap:wrap;
}
.steps-row .step{
    background: rgba(255,255,255,0.12);
    color:#fff;
    padding:8px 12px;
    border-radius:20px;
    font-weight:700;
}
.steps-row img{width:22px;height:auto;display:block;opacity:.95}
.btn.btn-light{background:#fff;color:var(--accent);border:none;padding:8px 14px;border-radius:8px;font-weight:700}

@media (max-width:720px){
  .steps-row{justify-content:center}
  .approach-steps .steps-intro{text-align:center}
}

/* --- Карточки продуктов --- */
.products_detail-section .prod_card {
    margin-bottom: 40px;
}

.products_detail-section .prod_card h3 {
    color: #000;
    font-size: 32px;
    margin-bottom: 20px;
    margin-top: 0;
}

.prod_content {
    display: flex;
    gap: 0;
    border-radius: 8px;
    overflow: hidden;
}

.prod_card_left {
    width: 50%;
    background: var(--accent);
    color: #fff;
    padding: 30px;
    border-radius: 0 50px 50px 0;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.prod_icon-circle {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.prod_icon-circle img {
    width: 70%;
    height: auto;
    display: block;
}
.oshbs .prod_icon-circle img {
    width: 50%;
}
.prod_card_left p {
    margin: 10px 70px 0 0;
    color: #fff;
    font-size: var(--fontsize);
    line-height: 1.6;
}



/* Main navigation placed to the right of logo-text */
.main-nav{display:flex;align-items:center}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;align-items:center}
.main-nav li{margin:0}
.main-nav a{color:var(--text,#222);text-decoration:none;font-weight:700;padding:8px 12px;border-radius:8px;transition:background .15s, color .15s, transform .06s;display:inline-block}
.main-nav a:hover,.main-nav a:focus{background:rgba(0,0,0,0.06);color:var(--accent);transform:translateY(-1px);outline:none}
.main-nav a:active{transform:translateY(0)}
.main-nav a:focus{box-shadow:0 0 0 4px rgba(0,192,242,0.08)}

@media (max-width:880px){
    .main-nav{display:none}
}
.prod_card_right {
    width: 50%;
    background: #fff;
    color: #000;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.prod_card_right p {
    margin: 0;
    color: #000;
    font-size: var(--fontsize);
    line-height: 1.6;
}

/* --- Реализованные объекты --- */
.projects-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    margin-top: 30px;
}

.projects-left {
    width: 45%;
    flex-shrink: 0;
}

.projects-left img {
    width: 100%;
    height: auto;
    border-radius: var(--borderradius);
    display: block;
}

.projects-right {
    width: 55%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.projects-stat {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.projects-num{
    flex-shrink: 0;
}
.projects-num a{
    font-size: 48px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    text-decoration: none;
    font-family: 'OpenSansExtraBold', Arial, Helvetica, sans-serif;
}

.projects-stat-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: #000;
    font-size: var(--fontsize);
    line-height: 1.5;
}

.projects-stat-year {
    color: var(--muted);
    font-size: 13px;
}

.projects-description {
    padding-left: 20px;
    border-left: 4px solid var(--accent);
}

.projects-description p {
    margin: 0;
    color: #000;
    font-size: 15px;
    line-height: 1.6;
    font-weight: 500;
}

.projects-clients-bg {
    background: var(--accent);
    color: #fff;
    padding: 20px 24px;
    border-radius: 16px;
    margin-top: 10px;
}

.projects-clients-bg p {
    margin: 0;
    color: #fff;
    font-size: var(--fontsize);
    line-height: 1.6;
}
.num a{
    font-family: 'OpenSansExtraBold', Arial, "Helvetica Neue", sans-serif;
    font-size: 64px;
    text-decoration: none;
    color: var(--muted);
}
.contact-wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  justify-content: space-between;
}

.contact-content {
  flex: 1 1 300px;
  min-width: 300px;
}

.contact-image {
  flex: 0 0 auto;
}

.contact-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--borderradius); /* по желанию */
  box-shadow: 0 10px 30px rgba(0,0,0,0.1); /* по желанию */
}

/* На мобильных — изображение под текстом */
@media (max-width: 768px) {
  .contact-wrapper {
    flex-direction: column;
    text-align: center;
  }
  
  .contact-image {
    order: -1; /* если хочешь изображение сверху на мобилке */
  }
}

.contact-content a{
    color: #000;
    text-decoration: none;
}
.contact-section address{
    font-size: var(--biggerfontsize);
    background: var(--accent);
    color: #fff;
    padding: var(--borderradius) var(--borderradius);
    border-radius: var(--borderradius); 
}
.contact-section address p{
    color: #fff;
}
.contact-section address a{
    color: #fff;
    border-bottom: 1px solid var(--muted);
}
.contact-section address a:hover{
     border-bottom: 1px solid var(--accent);
}

/* Back to top button */
#back-to-top, .back-to-top{
    position: fixed;
    right: 20px;
    bottom: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .25s, transform .25s;
    z-index: 1200;
}
#back-to-top.show{opacity:1;transform:translateY(0)}
#back-to-top:focus{outline:none;box-shadow:0 0 0 6px rgba(0,192,242,0.10)}

@media (max-width:420px){
    #back-to-top{right:12px;bottom:18px;width:40px;height:40px}
}

/* Upload form styling */
#uploadForm{
    margin-top:16px;
}
#uploadForm .dropzone{
    background:rgba(255,255,255,0.1);
    border:2px dashed rgba(255,255,255,0.4);
    border-radius:10px;
    padding:24px;
    text-align:center;
    color:#fff;
    cursor:pointer;
    transition:background .2s, border-color .2s;
    font-weight:600;
    margin-bottom:14px;
}
#uploadForm .dropzone.dragover{
    background:rgba(255,255,255,0.2);
    border-color:rgba(255,255,255,0.7);
}
#uploadForm label{
    font-size:14px;
    color:#fff;
    margin:12px 0;
}
#uploadForm a{
    color:#fff;
    text-decoration:underline;
}
#uploadForm #submitBtn{
    background:#fff;
    color:var(--accent);
    border:none;
    padding:12px 20px;
    border-radius:8px;
    font-weight:700;
    font-size:16px;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    gap:8px;
    transition:opacity .2s, transform .1s;
}
#uploadForm #submitBtn:not(:disabled):hover{
    opacity:.9;
    transform:translateY(-2px);
}
#uploadForm #submitBtn:disabled{
    opacity:.5;
    cursor:not-allowed;
}
#uploadForm #submitBtn i{
    font-size:16px;
}

/* Step download button in individual-approach */
.step-download-btn{
    display:inline-flex;
    align-items:center;
    gap:6px;
    margin-top:10px;
    background:rgba(255,255,255,0.2);
    color:#fff;
    padding:8px 12px;
    border-radius:8px;
    text-decoration:none;
    font-weight:600;
    font-size:13px;
    border:1px solid rgba(255,255,255,0.3);
    transition:background .15s, border-color .15s;
    width: fit-content;
    margin: 20px auto 0;
    max-width: 290px;
}
.step-download-btn:hover{background:rgba(255,255,255,0.3);border-color:rgba(255,255,255,0.5)}
.step-download-btn i{font-size:14px}
.step-item{
    display: flex;
    flex-direction: column;
}
.dropzone {
  border: 2px dashed #999;
  border-radius: 6px;
  text-align: center;
  padding: 20px;
  color: #666;
  cursor: pointer;
  margin-bottom: 10px;
  transition: 0.2s;
}
.dropzone.dragover { background: #eef; border-color: #33a; color: #33a; }
button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  position: relative;
}
.cta-row a.btn{
    color:#fff
}
#uploadForm input[type="checkbox"] {
    vertical-align: middle;
}