/* FONTS------------------------------------------- */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../vendor/Roboto/Roboto-300.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../vendor/Roboto/Roboto-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../vendor/Roboto/Roboto-500.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../vendor/Roboto/Roboto-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Elasis';
  src: url('/vendor/Elasis/elasis-rg.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --bs-primary: #0a2e5c;
  --st-cyan: #00BCD4; /* cyan-42 */
  --st-cyan-32: #0090A3;
  --st-cyan-30: #008799;
  --dark-blue: #16203F;
  --light-grey: #F7F7F7;
  --grey-90: #e6e6e6;
  --grey-80: #cccccc;
  --grey-50: #808080;
  --grey-20: #333333;

  --regular: 1rem; /* 16px */
  --large: 1.25rem; /* 20px, text-primary*/
  --hero-title-size: 60px; /* Used for hero h1 titles and feature icons */
  --heading-h2: 2rem;  /* 32px */
  --heading-h4: 1.5rem;  /* 24px */
  --heading-h5: 1.25rem; /* 20px */

  --lh-body: 1.6;
  --lh-compact: 1.4; /* tables, lists, data-heavy */
  --lh-ui: 1.2;      
}
/* GENERAL------------------------------------------ */
  body {
    font-family: "Roboto", sans-serif, "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: var(--regular);
    line-height: var(--lh-body); 
  }
  strong {
    font-weight: 600;
  }
  h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1.5rem;
  }
  h2.product-heading, h3.product-heading {
    font-size: var(--heading-h2);
  }
  .accent-heading {
    color: var(--st-cyan);
  }
  .section-heading {
    margin-bottom: 2rem;
  }
  a {
    color: var(--st-cyan);
    text-decoration: none;  
    transition: 0.3s;
  }
  a:hover:not(.btn) {
    color: var(--st-cyan-30);
    font-weight: 400;
    text-decoration: none;
  }    
  .sigtrona-btn {
    background-color: var(--st-cyan);
    color: white;
    transition: 0.3s;
  }
  .sigtrona-btn:hover {
    background-color: var(--st-cyan-30);
    color: white;
  }
  .hero-btn {
    background-color: white;
  }
  .hero-btn:hover {
    border-color: white;
  }
  .container {
    max-width: 1500px;
  }
  @media (max-width: 1500px) {
    .container {
      padding-left: 50px;
      padding-right: 50px;
    }
  }
  ul {
    list-style-type: square;
  }
  .bg-light-grey {
    background-color: var(--light-grey);
  }
  .bg-dark-blue {
    background-color: var(--dark-blue);
    color: white;
  }
.bg-gradient-dark {
  background: linear-gradient(135deg, #16203F 0%, #1C355F 60%, #214A6A 100%);
  /* background: linear-gradient(135deg, #16203F 0%, #1E2A55 100%)!important; option */
/* background: linear-gradient(180deg, rgba(22, 32, 63, 0.85) 0%, rgba(22, 32, 63, 0.65) 100%)!important; option3-NO*/
/* background: linear-gradient(135deg, #16203F 0%, #1B2F54 70%, #1F4E63 100%)!important; option4 */
  color: white;
}
  .page-section {
    padding: 100px 0;
  }
.main-text {
    font-size: var(--large);
    text-align: justify;
}
.figure-caption {
  font-size: var(--regular);
  margin-top: 10px;
}

  /* NAVBAR------------------------------------------ */
  .navbar .logo {
    height: 75px;
    padding: 7px;
  }
  .navbar-expand-lg .navbar-nav .nav-link {
    color: var(--grey-50);
    font-weight: 400;
    font-size: var(--large);
    position: relative;
    transition: 0.3s;
    padding: 0.75rem 1rem 0.75rem 1rem;
  }
  /* .navbar-expand-lg .navbar-nav .nav-item:last-child .nav-link {
    padding-right: 0 !important;
  } */
  .navbar-expand-lg .navbar-nav .nav-link:hover,
  .navbar-expand-lg .navbar-nav .nav-link.active { 
    color: var(--st-cyan);
  }
  /* Underline effect on hover */
  .navbar-expand-lg .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--st-cyan);
    transition: all 0.3s ease;
    transform: translateX(-50%);
  }
  
  .navbar-expand-lg .navbar-nav .nav-link:hover::after,
  .navbar-expand-lg .navbar-nav .nav-link.active::after {
    width: 80%;
  }
  
  /* Mobile navbar styling */
  @media (max-width: 991.98px) {
    .navbar-collapse {
      background-color: white;
      padding: 1rem 0;
      border-top: 1px solid var(--grey-90);
    }
    
    .navbar-nav {
      text-align: center;
    }
    
    .navbar .nav-link {
      padding: 0.5rem 1rem !important;
    }
    
    .navbar .nav-link::after {
      display: none;
    }
  }
  /* HERO------------------------------------------ */
  .hero {
    background-image:
      linear-gradient(to right, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0)),
      url("/images/st-header.webp");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 100%;
    min-height: 600px; /* Ensures it has a strong visual presence */
    color: white;
    display: flex;
    align-items: center;
    text-align: left;
    position: relative;
    overflow: hidden;
  }

  .main-hero .mainhero-content {
    width: 80%;
  }
  .main-hero h1 {
    font-family: 'Elasis', sans-serif; 
    font-size: var(--hero-title-size);
    margin-bottom: 25px;
  }
  .main-hero h2 {
    font-size: var(--heading-h2);
    margin-bottom: 25px;
  }
  .hero .subheadline {
    font-size: 1.5rem; /* 24px */
    margin-bottom: 25px;
    font-weight: 400;
    line-height: 1.6; 
  }
  .hero a, .hero button {
    font-size: 1rem; /* 16px */
  }
  .btn-outline-light:hover {
    color: var(--bs-primary);
    background-color: #fff;
  }
/* PRODUCT HERO------------------------------------------ */
.product-hero h1 {
  font-size: var(--hero-title-size);
  margin-bottom: 25px;
}
.product-hero .product-img {
  max-height: 500px;
}
.product-lead .lead {
  line-height: 1.6; 
  font-size: var(--large);
  text-align: justify;
  font-weight: 400; 
}
.product-features table td:first-child {
  font-weight: 600;
  width: 40%;
}
  /* SECTION NAVIGATION------------------------------------------ */
.section-navbar {
  background-color: var(--grey-90);
  border-bottom: 1px solid var(--grey-80);
}
.section-navbar .nav-link {
  border-left: 1px solid var(--grey-80);
  color: var(--grey-20);
  font-size: var(--regular);
}
.section-navbar .nav-link:last-child {
  border-right: 1px solid var(--grey-80);
}
.section-navbar .nav .nav-link.active,
.section-navbar .nav .nav-link:hover {
  color: var(--st-cyan);
  font-weight: 400;
}
.section-anchor {
  scroll-margin-top: 58px;
}
/* FlexDDS-HD FEATURES------------------------------------------ */
.features .bi {
  font-size: var(--hero-title-size);
  color: var(--st-cyan);
}
.features .feature-item {
  text-align: center;
  padding: 2rem 1rem;
}
.features .feature-item .features-heading {
  font-size: var(--heading-h4);
  margin-bottom: 0.5rem;
}
.features .feature-item .features-text {
  font-size: var(--heading-h4);
  line-height: 1.2;
  margin-bottom: 0;
}
/* SECTIONS------------------------------------------ */
section.about {
  text-align: center;
}
section.about .main-text {
  width: 80%;
  margin: 0 auto;
  text-align: justify;
}
section.product-details h3 {
  color: var(--st-cyan);
}
section.product-details i.bi {
  color: var(--st-cyan);
}
section.product-highlight .module-img {
  height: 350px;
}
section.applications ul {
  list-style:none;
  padding: 0;
}
section.applications ul li {
  padding: 8px 0;
  border-bottom: 1px solid #e5e5e5;
  font-size: var(--regular);
}

/* SECTION: PRODUCT CARDS (Universal)------------------------------ */
  .product-cards-section .card-img-top {
    width: 65%;
    height: auto;
    margin-left: auto;
    margin-right: auto;
  }
  @media (max-width: 991px) {
    .product-cards-section .card-img-top {
      padding: 25px;
    }
  }
  @media (max-width: 1024px) {
    .product-cards-section .card-img-top {
      width: 100%;
    }
  }
  .product-cards-section .card-body {
    padding: 2rem;
    border-top: 1px solid var(--grey-90);
  }
  .product-cards-section .card-title {
    color: var(--st-cyan);
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: var(--heading-h4);
  }
  .product-cards-section .card-subtitle {
    margin-bottom: 0.5rem;
    font-weight: 600;
  }
  .product-cards-section .card-text {
    text-align: justify;
  }
  .product-cards-section ul {
    padding-left: 20px;
  }
  .product-cards-section ul li:not(:last-child) {
    padding-bottom: 5px;
  }
  .components-section .card-img-top {
    width: 75%;
    padding: 0.5rem;
  }

/* SECTIONS: CORE CAPABILITIES & PRODUCT PORTFOLIO---- */
.highlight-card {
  transition: transform 0.3s;
}
.highlight-card:hover {
  transform: translateY(-4px);
}
.highlight-card-title {
  margin: 0 0 8px 0;
  font-size: var(--heading-h5);
}
.highlight-card-text {
  font-size: var(--regular);
  color: var(--grey-20);
  line-height: 1.6;
}

.core-capabilities .capability .card-body {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: flex-start;  
  gap: 1rem;
}
.core-capabilities .capability .highlight-card-icon {
  font-size: 32px;
  color: var(--st-cyan);
}
.product-portfolio .highlight-card-image {
  padding: 1rem;
}
.product-portfolio .highlight-card .card-body {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.product-portfolio .highlight-card .product-spec {
  font-weight: 600;
  /* line-height: 1.2; */
}
.product-portfolio .highlight-card .product-spec-separator {
  margin: 0 0.5rem;
  color: #adb5bd;
}
.product-portfolio .highlight-card .st-badge {
  background-color: var(--st-cyan);
  color: white;
}
.product-portfolio .highlight-card .card-body p.product-link {
  margin-top: auto!important;
}
.product-portfolio .highlight-card .custom-solutions-image {
  filter: brightness(0.8);
}

/* FOOTER------------------------------------------ */
  footer {
    background-color: var(--grey-90);
    line-height: var(--lh-compact);
  }
  footer .logo img {
    height: 75px;
  }
  footer address {
    font-size: var(--regular);
  }
  footer address i {
    color: var(--st-cyan);
  }
  footer .bottom-footer {
    font-size: var(--regular);
  }
  .external-link i {
    font-size: 0.85em;
    vertical-align: 0.1em;
    opacity: 0.85;
    -webkit-text-stroke: 0.5px currentColor;
  }
  
  /* Legal pages (imprint & privacy) */
  .page-heading {
    font-size: var(--heading-h2);
  }
  #imprint hr, #privacy hr {
    max-width: 1500px;
  }
  .provider-details {
    line-height: 1.2;
  }

  /* Image hover effect styles */
  .image-container {
    position: relative;
    cursor: pointer;
  }
  
/* Base overlay class - all common styles */
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Icon styling for all overlays */
.overlay i {
  font-size: 3rem;
}
.overlay-dark {
  background: rgba(22, 32, 63, 0.6);
}
.overlay-dark i {
  color: white;
}
.overlay-light {
  background: rgba(255, 255, 255, 0.5);
}
.overlay-light i {
  color: black;
}
/* General hover rule for all overlays */
.image-container:hover .overlay,
.position-relative:hover .overlay {
  opacity: 1;
}

/* Modal styles */
.modal-body img {
  max-height: 80vh;
  object-fit: contain;
}
.position-relative {
  position: relative;
}
/* CONTACT------------------------------------------ */
#contactFormResponse.alert {
  margin-top: 1.5rem;
}
.contact .contact-email a {
  color: white
}
.contact .contact-email a:hover {
  color: var(--st-cyan);
  font-weight: 400;
  text-decoration: none;
}