/* Global Typography Scaling */
body {
  font-size: clamp(14px, 2vw, 16px);
  line-height: 1.6;
  overflow-x: hidden;

}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.3rem, 3.5vw, 1.8rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}

h5 {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
}

p {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  line-height: 1.6;
  word-break: break-word;
}
.text-responsive {
  font-size: clamp(1rem, 2.5vw, 1.1rem);
}

.container {
  max-width: 100%;
  padding: 0 15px;
}
/* Base Styles */
body {
  font-family: 'Poppins', sans-serif;
  background-color: #f9f9f9;
  scroll-behavior: smooth;
}

.navbar {
  background-color: #1f1f2e;
}

.navbar-brand {
  font-weight: 600;
  color: #fcb045 !important;
}

.nav-link {
  color: #ffffff !important;
}

.nav-link:hover,
.nav-link.active {
  color: #fcb045 !important;
}

/* Hero Section (Main Landing Page) */
.hero.home-hero,
.hero-home {
   background: linear-gradient(to right, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)),
    url('../assets/images/sci-hero.jpg') no-repeat center center / cover;
  min-height: 90vh;
  color: white !important;
  padding: 100px 20px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
  word-break: break-word;
  background-size: cover;
  background-position: center;
  margin-top: 0 !important;
  padding-top: 0 !important;
}

.sci-home-hero,
.hero-home {
   background: linear-gradient(to right, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)),
    url('../assets/images/banner-img.png') no-repeat center center / cover;
  min-height: 90vh;
  color: white !important;
  padding: 100px 20px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
  word-break: break-word;
  background-size: cover;
  background-position: center;
  margin-top: 0 !important;
  padding-top: 0 !important;
}

h2 {
  white-space: nowrap;
}
.home-hero {
  padding: 60px 20px;
  background-color: #000; /* or your preferred background */
  color: #fff;
}


.hero-home h1,
.hero-home h2,
.hero-home h5,
.hero-home p,
.hero-home a {
  color: white !important;
}


.hero-home h1,
.hero-home h5 {
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7);
}

/* Call for Papers Hero */
.hero.call-for-paper-hero {
  background-color: #1f1f2e;
  height: 40vh;
  padding: 40px 0;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 600;
}

.hero p {
  font-size: 1.4rem;
  max-width: 800px;
}

/* for conference heading Supercomputing India */
.custom-title {
  font-style: italic; /* optional: italic, normal, oblique */
  letter-spacing: 1px; /* optional: spacing between letters */
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 7vw, 5rem); /* Mobile to desktop scaling */
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  word-break: break-word;
}
.custom-h2 {
  font-style: italic; /* optional: italic, normal, oblique */
  letter-spacing: 1px; /* optional: spacing between letters */
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 7vw, 5rem); /* Mobile to desktop scaling */
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  word-break: break-word;
}

/* Button */
.btn-custom {
  background-color: #fcb045;
  border: none;
  padding: 10px 20px;
  font-weight: 600;
  border-radius: 50px;
  color: #fff;
  transition: background 0.3s;
}

.btn-custom:hover {
  background-color: #ff9300;
}

/* Section Titles */
section {
  padding: 60px 0;
}

h2 {
  font-weight: 600;
  margin-bottom: 20px;
}

/* Footer */
footer {
  background-color: #1f1f2e;
  color: #fff;
  padding: 20px 0;
}

/* Mega Menu */
.mega-menu {
  width: 600px;
  background-color: #000;
  border: none;
}

.dropdown-menu.mega-menu {
  left: 50% !important;
  transform: translateX(-50%) !important;
  width: 650px;
  max-width: 95vw;
  border-radius: 8px;
  background-color: #000;
  border: none;
  padding: 20px;
}

.mega-menu .dropdown-item {
  color: #fff;
  padding: 5px 10px;
  font-weight: 400;
}

.mega-menu .dropdown-item:hover {
  background-color: #333;
}

@media (max-width: 991px) {
  .dropdown-menu.mega-menu {
    position: static !important;
    transform: none !important;
    width: 100% !important;
    border-radius: 0;
    background-color: #1f1f2e;
    padding: 1rem;
    display: block !important;
  }

  .dropdown-menu.mega-menu .row {
    flex-direction: column;
    gap: 1rem;
  }

  .dropdown-menu.mega-menu .col-md-4 {
    width: 100%;
  }

  .dropdown-menu .dropdown-item {
    color: white;
    padding: 0.5rem 1rem;
  }
}
.text-purple {
  color: #b278f1;
  font-weight: bold;
  font-size: 1rem;
}

.sponsor-bar {
  background-color: #fff;
  padding: 30px 0;
  overflow: hidden;
}

.sponsor-bar .sponsor-logo {
  max-height: 120px;   /* increase from 80px to 120px */
  max-width: 100%;     /* ensure it never overflows its column */
  object-fit: contain;
  margin: 0 auto;
}


.sponsor-bar .logo-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  gap: 16px;
  padding: 0 10px;
  max-width: 100%;
}

.sponsor-bar img.sponsor-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  max-width: 100%;
  flex-shrink: 1;
}

@media (max-width: 768px) {
  .sponsor-bar .sponsor-logo {
    max-height: 100px; /* a bit smaller on tablets */
  }
}

/* Mobile: allow logos to shrink further */
@media (max-width: 768px) {
  .sponsor-bar img.sponsor-logo {
    height: 80px;
  }
}
/* Sponsor-row from previous site*/
.sponsor-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
    margin-top: 30px;
    gap: 2rem; /* Add consistent gap between logos */
  }

  .sponsor-row a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0.5rem;
    flex: 0 1 auto; /* Allow items to shrink but not grow */
  }


  .sponsor-row img {
    max-height: 90px;
    width: auto;
    max-width: 100%;
    height: auto;
    object-fit: contain; /* Ensure images maintain aspect ratio */
  }

  /* Specific styles for NSM and C-HUK logos */
  .sponsor-row a[href*="nsmindia.in"] img {
    max-height: 130px; /* Increased height specifically for NSM logo */
  }
  
  .sponsor-row a[href*="c-huk"] img {
    max-height: 120px; /* Keep C-HUK logo at previous size */
  }

  /* Mobile responsive styles */
  @media (max-width: 768px) {
    .sponsor-row {
      padding: 1rem;
      gap: 1.5rem; /* Slightly reduced gap for mobile */
    }
    
    .sponsor-row a {
      padding: 0.25rem;
      width: 45%; /* Set width to allow 2 logos per row */
      margin-bottom: 1rem;
    }

    .sponsor-row img {
      max-height: 70px;
    }

    .sponsor-row a[href*="nsmindia.in"] img {
      max-height: 90px; /* Adjusted for better mobile display */
    }

    .sponsor-row a[href*="c-huk"] img {
      max-height: 80px;
    }
  }

  /* Small mobile devices */
  @media (max-width: 480px) {
    .sponsor-row {
      gap: 1rem;
    }
    
    .sponsor-row a {
      width: 90%; /* Stack logos vertically on very small screens */
    }
  }
  
  /*********/
/* Content Sections */
.content-section {
  background: white;
  padding: 40px;
  margin-top: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  animation: fadeIn 0.7s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Expandable Sections */
details {
  margin: 10px 0;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 5px;
  background: #fafafa;
}

summary {
  cursor: pointer;
  font-size: 1.1em;
  font-weight: 500;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1em;
}

th, td {
  padding: 10px;
  border: 1px solid #ccc;
}

thead {
  background-color: #004080;
  color: white;
}

span {
  color: red;
  font-weight: bold;
}

/* Image fix for C-HUK */
.c-huk-image {
  max-width: 300px;
  width: 100%;
  height: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Responsive Typography */

.home-hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 6vw, 4rem); /* Mobile to desktop scaling */
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  word-break: break-word;
}
.home-hero h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.5rem, 5.5vw, 3.2rem);
  font-weight: 600;
  margin-top: 0.5rem;
  text-align: center;
}




.hero-home p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  line-height: 1.6;
  text-align: justify;
  word-break: break-word;
}
  .hero-home {
    min-height: 70vh;
    padding-top: 80px;
    background-position: center;
    background-size: cover;
  }

  /* Hero Title Responsive Typography */
.hero-home h1:first-of-type {
  font-size: clamp(1.5rem, 5vw, 3.2rem); /* scales from mobile to desktop */
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7);
  color: white;
  line-height: 1.2;
  word-break: break-word;
}

.hero-home h1:last-of-type {
  font-size: clamp(1.2rem, 4vw, 2.5rem); /* scales slightly smaller */
  font-weight: 600;
  margin-bottom: 1rem;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
  color: white;
  line-height: 1.2;
  word-break: break-word;
}
.hero-home h5 {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: white !important;
  text-align: center;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.6);
  margin: 0 auto;
  word-break: break-word;
  max-width: 90%;
  line-height: 1.4;
}

.hero-home p {
  font-size: clamp(0.9rem, 2.5vw, 1.2rem);
  font-weight: 300;
  color: white !important;
  text-align: center;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.6);
  margin: 0 auto;
  max-width: 90%;
  line-height: 1.5;
  word-break: break-word;
}
@media (max-width: 576px) {
  .hero-home h1:first-of-type,
  .hero-home h1:last-of-type {
    text-align: center;
    padding: 0 10px;
  }
}


 
  .btn-custom {
    font-size: 0.9rem;
    padding: 8px 16px;
  }

  .content-section {
    padding: 20px;
  }

  .mega-menu {
    width: 100%;
  }

  .navbar-nav {
    text-align: center;
  }

  .event-info {
    font-size: 1rem;
  }

  #about p {
    text-align: justify;
  }

  .sponsor-bar img.sponsor-logo {
    max-height: 60px;
    max-width: 100px;
    margin: 8px;
  }
}
/* Universal Responsive Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  line-height: 1.3;
  margin-bottom: 1rem;
  text-align: center;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 4.5vw, 2.4rem);
}

h5 {
  font-size: clamp(1rem, 3.5vw, 1.4rem);
}

p {
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  line-height: 1.6;
  text-align: justify;
  margin-bottom: 1rem;
}

/* Under Construction */
.bg-light {
  background-color: #f8f9fa !important;
}

.text-danger {
  color: #d90429 !important;
}

@media (max-width: 576px) {
  .content-section {
    padding-left: 10px;
    padding-right: 10px;
  }

  .text-center h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .home-hero h1 {
    font-size: 1.6rem;
  }

  .home-hero h2 {
    font-size: 1.2rem;
  }

  .event-line {
    font-size: 1rem;
  }

  .sponsor-logo {
    max-width: 70px;
    margin: 8px;
  }
}
/* Make the card header standout */
.card-header {
  background: linear-gradient(90deg, #ffc107, #e0a800);
}

/* Add a subtle background to even rows */
.table-hover tbody tr:nth-of-type(even) {
  background-color: #f9f9f9;
}

/* Increase spacing in table cells */
.table td, .table th {
  vertical-align: middle;
  padding: 0.75rem 1rem;
}

/* Style the “Extended” badge */
.badge.bg-danger {
  font-size: 0.85rem;
  padding: 0.35em 0.65em;
}

/* Make the strikethrough muted */
s.text-muted {
  color: #6c757d !important;
}

.hero-bg {
  position: relative;
  background-image: url('../assets/images/cfp.jpeg'); /* your image path */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  /* ensure min-height if you want consistent height */
  min-height: 40vh;
}

/* Dark overlay */
.hero-bg::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 0;
}

/* Keep your content above the overlay */
.hero-bg .container {
  position: relative;
  z-index: 1;
}