:root {


   /* DISC Semantic Colors (Preserved for Data Visualization only) */
   --disc-d: #dc3545;
   /* Matches Brand Red */
   --disc-i: #ffc107;
   /* Yellow */
   --disc-s: #198754;
   /* Green */
   --disc-c: #0d6efd;
   /* Blue */
 }


 /* Hero Section */
 .hero-section {
   background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0) 100%), url('assets/hero-bg.jpg');
   background-size: cover;
   padding: 100px 0 60px 0;
 }

 /* Gradient Text */
 .text-gradient {
   background: linear-gradient(135deg, var(--brand-red) 0%, #000000 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
 }

 /* Modern DISC Cards */
 .disc-card {
   background: #ffffff;
   border: 1px solid rgba(0, 0, 0, 0.05);
   border-radius: 18px;
   box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
   transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
   height: 100%;
   position: relative;
   overflow: hidden;
 }

 .disc-card:hover {
   transform: translateY(-10px);
   box-shadow: 0 20px 40px -15px rgba(220, 53, 69, 0.12);
 }

 /* Semantic Accent Bars */
 .disc-card::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 6px;
 }

 .card-d::before {
   background-color: var(--disc-d);
 }

 .card-i::before {
   background-color: var(--disc-i);
 }

 .card-s::before {
   background-color: var(--disc-s);
 }

 .card-c::before {
   background-color: var(--disc-c);
 }

 /* Large Letter Styling */
 .disc-letter {
   font-size: 3.5rem;
   font-weight: 800;
   line-height: 1;
   margin-bottom: 1rem;
   opacity: 0.9;
 }

 /* Feature Icon Box */
 .feature-icon-box {
   width: 50px;
   height: 50px;
   display: flex;
   align-items: center;
   justify-content: center;
   border-radius: 12px;
   background: rgba(220, 53, 69, 0.1);
   color: var(--brand-red);
   margin-bottom: 1rem;
 }