diff --git a/src/components/layout/Navigation.tsx b/src/components/layout/Navigation.tsx
index 29bce7b..d212ed7 100644
--- a/src/components/layout/Navigation.tsx
+++ b/src/components/layout/Navigation.tsx
@@ -14,7 +14,7 @@ type Props = {
 export default function Navbar({
   theme,
   setTheme
-}: Props) {
+}: Readonly<Props>) {
   const [menuOpen, setMenuOpen] = useState(false);
   const location = useLocation();
   const navigate = useNavigate();
diff --git a/src/components/sections/AboutSection.tsx b/src/components/sections/AboutSection.tsx
index b4684f5..54eaa41 100644
--- a/src/components/sections/AboutSection.tsx
+++ b/src/components/sections/AboutSection.tsx
@@ -71,7 +71,7 @@ export default function AboutSection(props: AboutSectionProps = {}) {
         </div>
 
         {/* Personal Photo and Bio */}
-        <div className="about-section__content" role="main">
+        <main className="about-section__content" role="main">
           <div className="about-section__image-wrapper">
             <img
               src={profileImage}
@@ -88,19 +88,18 @@ export default function AboutSection(props: AboutSectionProps = {}) {
                 Hi, I'm {name}!
               </h3>
               <div className="about-section__bio-text">
-                {bio.map((paragraph, index) => (
-                  <p key={index}>{paragraph}</p>
+                {bio.map((paragraph) => (
+                  <p key={paragraph.substring(0, 50)}>{paragraph}</p>
                 ))}
               </div>
             </div>
           </div>
-        </div>
+        </main>
 
         {/* Feature Cards Grid */}
         <div
           id="features"
           className="about-section__features"
-          role="region"
           aria-labelledby="features-heading"
         >
           <h3 id="features-heading" className="sr-only">My Areas of Expertise</h3>
@@ -108,23 +107,21 @@ export default function AboutSection(props: AboutSectionProps = {}) {
           <div className="about-section__features-grid">
             {featureCards.map((card, index) => {
               const IconComponent = card.icon;
+              const cardId = card.title.toLowerCase().replaceAll(/\s+/g, '-');
               return (
                 <article
-                  key={index}
+                  key={cardId}
                   className={`about-section__feature-card about-section__feature-card--${card.colorClass}`}
-                  role="group"
-                  aria-labelledby={`feature-${index}-title`}
-                  aria-describedby={`feature-${index}-description`}
+                  aria-labelledby={`feature-${cardId}-title`}
+                  aria-describedby={`feature-${cardId}-description`}
                 >
                   <header className="about-section__feature-header">
                     <IconComponent
                       className={`about-section__feature-icon about-section__feature-icon--${card.colorClass}`}
                       aria-hidden="true"
-                      role="img"
-                      aria-label={`${card.title} icon`}
                     />
                     <h4
-                      id={`feature-${index}-title`}
+                      id={`feature-${cardId}-title`}
                       className={`about-section__feature-title about-section__feature-title--${card.colorClass}`}
                     >
                       {card.title}
@@ -132,7 +129,7 @@ export default function AboutSection(props: AboutSectionProps = {}) {
                   </header>
                   <div className="about-section__feature-content">
                     <p
-                      id={`feature-${index}-description`}
+                      id={`feature-${cardId}-description`}
                       className={`about-section__feature-description about-section__feature-description--${card.colorClass}`}
                     >
                       {card.description}
@@ -149,6 +146,6 @@ export default function AboutSection(props: AboutSectionProps = {}) {
           </div>
         </div>
       </div>
-    </section>
+    </section >
   );
 }
\ No newline at end of file
diff --git a/src/components/sections/CertificationsSection.tsx b/src/components/sections/CertificationsSection.tsx
index 4911349..ae88754 100644
--- a/src/components/sections/CertificationsSection.tsx
+++ b/src/components/sections/CertificationsSection.tsx
@@ -83,16 +83,14 @@ export default function CertificationsSection(props: CertificationsSectionProps
         </div>
 
         {/* Certifications Grid */}
-        <div
+        <section
           className="certifications-section__grid"
-          role="region"
           aria-label="Professional certifications and qualifications"
         >
           {sortedCertifications.map((cert, index) => (
-            <article
-              key={index}
+            <div
+              key={`${cert.name}-${cert.year}-${cert.issuer}`}
               className="certifications-section__card"
-              role="group"
               aria-labelledby={`cert-${index}-title`}
               aria-describedby={`cert-${index}-details`}
             >
@@ -108,7 +106,6 @@ export default function CertificationsSection(props: CertificationsSectionProps
                   <Award
                     className="certifications-section__card-icon"
                     aria-hidden="true"
-                    role="img"
                     aria-label="Certification award icon"
                   />
                 )}
@@ -140,14 +137,13 @@ export default function CertificationsSection(props: CertificationsSectionProps
                 Certification {index + 1} of {sortedCertifications.length}.
                 {cert.name} from {cert.issuer}, completed in {cert.year}.
               </div>
-            </article>
+            </div>
           ))}
-        </div>
-
+        </section>
         {/* Certifications summary for screen readers */}
         <div className="certifications-section__summary sr-only" aria-live="polite">
           <p>
-            Certifications timeline: Spanning from {sortedCertifications[sortedCertifications.length - 1]?.year} to {sortedCertifications[0]?.year},
+            Certifications timeline: Spanning from {sortedCertifications.at(-1)?.year} to {sortedCertifications.at(0)?.year},
             including {sortedCertifications.filter(cert => cert.issuer.includes('Udemy')).length} online courses and
             {sortedCertifications.filter(cert => cert.issuer.includes('TU Darmstadt')).length} academic degree.
           </p>
diff --git a/src/components/sections/ContactSection.tsx b/src/components/sections/ContactSection.tsx
index 5fccf46..caa2f69 100644
--- a/src/components/sections/ContactSection.tsx
+++ b/src/components/sections/ContactSection.tsx
@@ -1,4 +1,4 @@
-import { Mail, Github, Linkedin, Send } from 'lucide-react';
+import { Mail, ExternalLink, Send } from 'lucide-react';
 import { personalConfig, getObfuscatedEmail } from '../../config/personal';
 import { getTexts } from '../../config/texts';
 
@@ -50,10 +50,10 @@ export default function ContactSection(props: ContactSectionProps = {}) {
     announcement.textContent = 'Opening email client with pre-filled message';
     document.body.appendChild(announcement);
 
-    window.location.href = `mailto:${email}?subject=${subject}&body=${body}`;
+    globalThis.location.href = `mailto:${email}?subject=${subject}&body=${body}`;
 
     setTimeout(() => {
-      document.body.removeChild(announcement);
+      announcement.remove();
     }, 1000);
   };
 
@@ -70,10 +70,10 @@ export default function ContactSection(props: ContactSectionProps = {}) {
     announcement.textContent = `Opening ${platform} profile in new tab`;
     document.body.appendChild(announcement);
 
-    window.open(url, '_blank', 'noopener,noreferrer');
+    globalThis.open(url, '_blank', 'noopener,noreferrer');
 
     setTimeout(() => {
-      document.body.removeChild(announcement);
+      announcement.remove();
     }, 1000);
   };
 
@@ -98,15 +98,13 @@ export default function ContactSection(props: ContactSectionProps = {}) {
         </div>
 
         {/* Contact Content Grid */}
-        <div className="contact-section__grid" role="main">
+        <main className="contact-section__grid">
           {/* Let's Connect Card */}
           <div className="contact-section__connect-card" role="region" aria-labelledby="connect-heading">
             <div className="contact-section__connect-header">
               <Mail
                 className="contact-section__email-icon"
                 aria-hidden="true"
-                role="img"
-                aria-label="Email icon"
               />
               <div className="contact-section__connect-text">
                 <h3 id="connect-heading" className="contact-section__email-title">
@@ -141,15 +139,13 @@ export default function ContactSection(props: ContactSectionProps = {}) {
             <div className="contact-section__info-card">
               <h3 id="info-heading" className="sr-only">Contact Information</h3>
 
-              <div className="contact-section__availability" role="status" aria-live="polite">
+              <output className="contact-section__availability" aria-live="polite">
                 <div
                   className="contact-section__status-indicator"
                   aria-hidden="true"
-                  role="img"
-                  aria-label="Available status indicator"
                 ></div>
                 <span className="contact-section__status-text">{availabilityText}</span>
-              </div>
+              </output>
 
               <div className="contact-section__quick-facts">
                 <dl className="contact-section__fact-list">
@@ -171,11 +167,11 @@ export default function ContactSection(props: ContactSectionProps = {}) {
           </aside>
 
           {/* Social Contact Methods */}
-          <div className="contact-section__social-card" role="region" aria-labelledby="social-heading">
+          <div className="contact-section__social-card" aria-labelledby="social-heading">
             <h4 id="social-heading" className="contact-section__social-title">{socialTitle}</h4>
-            <div className="contact-section__social-list" role="list">
+            <ul className="contact-section__social-list">
 
-              <div className="contact-section__detail-item" role="listitem">
+              <li className="contact-section__detail-item">
                 <button
                   className="contact-section__social-button contact-section__social-button--email"
                   onClick={handleEmailClick}
@@ -187,38 +183,38 @@ export default function ContactSection(props: ContactSectionProps = {}) {
                 <span className="contact-section__detail-text" aria-label="Email address">
                   {getObfuscatedEmail()}
                 </span>
-              </div>
+              </li>
 
-              <div className="contact-section__detail-item" role="listitem">
+              <li className="contact-section__detail-item">
                 <button
                   className="contact-section__social-button contact-section__social-button--github"
                   onClick={() => handleSocialClick('GitHub', personalConfig.social.github.url)}
                   aria-label={`Visit GitHub profile: ${personalConfig.social.github.username} (opens in new tab)`}
                   type="button"
                 >
-                  <Github className="contact-section__social-icon" aria-hidden="true" />
+                  <ExternalLink className="contact-section__social-icon" aria-hidden="true" />
                 </button>
                 <span className="contact-section__detail-text" aria-label="GitHub username">
                   {personalConfig.social.github.username}
                 </span>
-              </div>
+              </li>
 
-              <div className="contact-section__detail-item" role="listitem">
+              <li className="contact-section__detail-item">
                 <button
                   className="contact-section__social-button contact-section__social-button--linkedin"
                   onClick={() => handleSocialClick('LinkedIn', personalConfig.social.linkedin.url)}
                   aria-label={`Visit LinkedIn profile: ${personalConfig.social.linkedin.username} (opens in new tab)`}
                   type="button"
                 >
-                  <Linkedin className="contact-section__social-icon" aria-hidden="true" />
+                  <ExternalLink className="contact-section__social-icon" aria-hidden="true" />
                 </button>
                 <span className="contact-section__detail-text" aria-label="LinkedIn username">
                   {personalConfig.social.linkedin.username}
                 </span>
-              </div>
-            </div>
+              </li>
+            </ul>
           </div>
-        </div>
+        </main>
       </div>
     </section>
   );
diff --git a/src/components/sections/HeroSection.tsx b/src/components/sections/HeroSection.tsx
index 62fe006..71acf80 100644
--- a/src/components/sections/HeroSection.tsx
+++ b/src/components/sections/HeroSection.tsx
@@ -39,7 +39,7 @@ export default function HeroSection(props: HeroSectionProps = {}) {
 
     document.body.appendChild(announcement);
     setTimeout(() => {
-      document.body.removeChild(announcement);
+      announcement.remove();
     }, 1000);
   };
 
@@ -63,7 +63,7 @@ export default function HeroSection(props: HeroSectionProps = {}) {
       link.click();
 
       // Clean up
-      document.body.removeChild(link);
+      link.remove();
 
       console.log('✅ Resume download initiated');
       announceToScreenReader('Resume download started successfully');
@@ -93,7 +93,7 @@ export default function HeroSection(props: HeroSectionProps = {}) {
   };
 
   return (
-    <section className="hero-section" role="main" aria-labelledby="hero-title">
+    <main className="hero-section" aria-labelledby="hero-title">
       <div className="hero-section__container">
         {/* Skip link for keyboard navigation */}
         <div className="hero-section__skip">
@@ -167,6 +167,6 @@ export default function HeroSection(props: HeroSectionProps = {}) {
           ))}
         </aside>
       </div>
-    </section>
+    </main>
   );
 }
\ No newline at end of file
diff --git a/src/components/sections/ProjectsSection.tsx b/src/components/sections/ProjectsSection.tsx
index de7ae8c..63b56ff 100644
--- a/src/components/sections/ProjectsSection.tsx
+++ b/src/components/sections/ProjectsSection.tsx
@@ -1,4 +1,4 @@
-import { Github, ExternalLink } from 'lucide-react';
+import { GitBranch, ExternalLink } from 'lucide-react';
 import { useState, useRef, useEffect, type KeyboardEvent } from 'react';
 import { personalConfig } from '../../config/personal';
 import { getTexts } from '../../config/texts';
@@ -167,7 +167,7 @@ export default function ProjectsSection(props: ProjectsSectionProps = {}) {
 
     document.body.appendChild(announcement);
     setTimeout(() => {
-      document.body.removeChild(announcement);
+      announcement.remove();
     }, 1000);
   };
 
@@ -248,9 +248,8 @@ export default function ProjectsSection(props: ProjectsSectionProps = {}) {
                   <div className="projects-section__overlay" aria-hidden="true"></div>
 
                   {/* Conditionally visible action buttons */}
-                  <div
+                  <fieldset
                     className={`projects-section__actions ${isActive ? 'projects-section__actions--visible' : ''}`}
-                    role="group"
                     aria-label={`Actions for ${project.title}`}
                     aria-hidden={!isActive}
                   >
@@ -265,7 +264,7 @@ export default function ProjectsSection(props: ProjectsSectionProps = {}) {
                         tabIndex={isActive ? 0 : -1}
                         onKeyDown={(e) => handleActionKeyDown(e, cardIndex, 0)}
                       >
-                        <Github className="projects-section__action-icon" aria-hidden="true" />
+                        <GitBranch className="projects-section__action-icon" aria-hidden="true" />
                         <span className="projects-section__action-text">{texts.codeButtonText}</span>
                       </a>
                     )}
@@ -283,8 +282,9 @@ export default function ProjectsSection(props: ProjectsSectionProps = {}) {
                         <ExternalLink className="projects-section__action-icon" aria-hidden="true" />
                         <span className="projects-section__action-text">{texts.liveButtonText}</span>
                       </a>
+
                     )}
-                  </div>
+                  </fieldset>
                 </div>
 
                 <div className="projects-section__content">
@@ -305,18 +305,17 @@ export default function ProjectsSection(props: ProjectsSectionProps = {}) {
                     </div>
                   </div>
 
-                  <div className="projects-section__technologies" role="list" aria-label="Technologies used">
+                  <ul className="projects-section__technologies" aria-label="Technologies used">
                     {project.technologies.map((tech, index) => (
-                      <span
+                      <li
                         key={tech}
                         className="projects-section__tech-badge"
-                        role="listitem"
                         aria-label={`Technology ${index + 1}: ${tech}`}
                       >
                         {tech}
-                      </span>
+                      </li>
                     ))}
-                  </div>
+                  </ul>
 
                   {/* Enhanced status indicator for active card */}
                   {isActive && (
diff --git a/src/components/sections/ServicesSection.tsx b/src/components/sections/ServicesSection.tsx
index d02824c..9fd27fc 100644
--- a/src/components/sections/ServicesSection.tsx
+++ b/src/components/sections/ServicesSection.tsx
@@ -85,10 +85,8 @@ export default function ServicesSection(props: ServicesSectionProps = {}) {
             const IconComponent = service.icon;
             return (
               <article
-                key={index}
+                key={`${service.title}-${service.colorClass}`}
                 className={`services-section__card services-section__card--${service.colorClass}`}
-                tabIndex={0}
-                role="group"
                 aria-labelledby={`service-${index}-title`}
                 aria-describedby={`service-${index}-description`}
               >
@@ -96,8 +94,6 @@ export default function ServicesSection(props: ServicesSectionProps = {}) {
                   <IconComponent
                     className={`services-section__icon services-section__icon--${service.colorClass}`}
                     aria-hidden="true"
-                    role="img"
-                    aria-label={`${service.title} service icon`}
                   />
                   <h3
                     id={`service-${index}-title`}
diff --git a/src/components/sections/SkillsSection.tsx b/src/components/sections/SkillsSection.tsx
index 680f493..8053e69 100644
--- a/src/components/sections/SkillsSection.tsx
+++ b/src/components/sections/SkillsSection.tsx
@@ -120,10 +120,9 @@ export default function SkillsSection(props: SkillsSectionProps = {}) {
           {skillCategories.map((category, categoryIndex) => {
             const colorClass = getColorByPosition(categoryIndex);
             return (
-              <article
+              <fieldset
                 key={category.title}
                 className={`skills-section__category skills-section__category--${colorClass}`}
-                role="group"
                 aria-labelledby={`category-${categoryIndex}-title`}
               >
                 <header className="skills-section__category-header">
@@ -139,18 +138,16 @@ export default function SkillsSection(props: SkillsSectionProps = {}) {
                   </div>
                 </header>
 
-                <div
+                <ul
                   className="skills-section__skills-list"
-                  role="list"
                   aria-label={`${category.title} skills`}
                 >
                   {category.skills.map((skillItem, skillIndex) => {
                     const displayLevel = calculateSkillLevel(skillItem.value);
                     return (
-                      <div
+                      <li
                         key={skillItem.skill}
                         className="skills-section__skill-item"
-                        role="listitem"
                         aria-label={`${skillItem.skill}: ${displayLevel} level`}
                       >
                         <div className="skills-section__skill-header">
@@ -195,11 +192,12 @@ export default function SkillsSection(props: SkillsSectionProps = {}) {
                             Proficiency level: {displayLevel} at {skillItem.value} percent.
                           </div>
                         </div>
-                      </div>
-                    );
+                      </li>
+                    )
                   })}
-                </div>
-              </article>
+                </ul>
+
+              </fieldset>
             );
           })}
         </div>
diff --git a/src/scss/sections/contact-section.scss b/src/scss/sections/contact-section.scss
index 6602cda..e277098 100644
--- a/src/scss/sections/contact-section.scss
+++ b/src/scss/sections/contact-section.scss
@@ -278,17 +278,23 @@
       transform: translateY(-1px);
     }
 
+    // Enhanced focus states for AAA compliance
+    &:focus {
+      outline: 3px solid var(--color-focus-ring, #2563eb);
+      outline-offset: 2px;
+    }
+
     // Brand-specific icon colors with better contrast
     &--email .contact-section__social-icon {
-      color: #2563eb; // Stronger blue for email
+      color: var(--social-icon-email, #2563eb); // Use theme variable
     }
 
     &--github .contact-section__social-icon {
-      color: #1f2937; // Darker for GitHub
+      color: var(--social-icon-github, #1f2937); // Use theme variable
     }
 
     &--linkedin .contact-section__social-icon {
-      color: #0d67b5; // Stronger LinkedIn blue
+      color: var(--social-icon-linkedin, #0d67b5); // Use theme variable
     }
   }
 
@@ -500,7 +506,7 @@
     padding: 0;
   }
 
-  &__email-icon {
+  &__email-card-icon {
     width: 3rem;
     height: 3rem;
     color: var(--primary-color);
@@ -508,19 +514,6 @@
     display: block;
   }
 
-  &__email-title {
-    font-size: 1.5rem;
-    font-weight: 700;
-    color: var(--text-primary);
-    margin-bottom: 0.5rem;
-  }
-
-  &__email-description {
-    color: var(--text-secondary);
-    font-size: 1rem;
-    line-height: 1.6;
-  }
-
   &__email-button {
     background: var(--contact-button-bg);
     border: none;
@@ -669,26 +662,6 @@
   white-space: normal !important;
   background-color: var(--contact-button-bg) !important;
   color: var(--contact-button-text) !important;
-  border: 2px solid var(--contact-social-border) !important;
-  border-radius: 4px !important;
-  text-decoration: none !important;
-  z-index: 1000 !important;
-}
-
-// Update social button icons for AAA compliance
-.contact-section__social-button {
-  &--email .contact-section__social-icon {
-    color: var(--social-icon-email); // Use theme variable
-  }
-
-  &--github .contact-section__social-icon {
-    color: var(--social-icon-github); // Use theme variable
-  }
-
-  &--linkedin .contact-section__social-icon {
-    color: var(--social-icon-linkedin); // Use theme variable
-  }
-
   // Enhanced focus states for AAA compliance
   &:focus {
     outline: 3px solid var(--color-focus-ring, #2563eb);
diff --git a/src/scss/sections/projects-section.scss b/src/scss/sections/projects-section.scss
index 673ed55..2266d3d 100644
--- a/src/scss/sections/projects-section.scss
+++ b/src/scss/sections/projects-section.scss
@@ -56,8 +56,9 @@
     border-radius: $card-border-radius-md;
     box-shadow: var(--projects-card-shadow);
     overflow: hidden;
-    transition: $transition-base;
+    transition: all 0.3s ease;
     border: 1px solid var(--projects-card-border);
+    cursor: pointer;
 
     &:hover {
       transform: translateY(-0.25rem);
@@ -73,7 +74,7 @@
 
       .projects-section__actions {
         opacity: 1;
-        transform: translateY(0);
+        transform: translate(-50%, -50%) translateY(0);
         pointer-events: all;
       }
     }
@@ -89,7 +90,7 @@
 
       .projects-section__actions {
         opacity: 1;
-        transform: translateY(0);
+        transform: translate(-50%, -50%) translateY(0);
         pointer-events: all;
       }
     }
@@ -106,7 +107,7 @@
 
       .projects-section__actions {
         opacity: 1;
-        transform: translateY(0);
+        transform: translate(-50%, -50%) translateY(0);
         pointer-events: all;
       }
     }
@@ -118,7 +119,7 @@
 
       .projects-section__actions {
         opacity: 1;
-        transform: translateY(0);
+        transform: translate(-50%, -50%) translateY(0);
         pointer-events: all;
       }
     }
@@ -404,65 +405,6 @@
   border: 0 !important;
 }
 
-// Card states
-.projects-section__card {
-  transition: all 0.3s ease;
-  cursor: pointer;
-
-  &:focus {
-    outline: 3px solid var(--color-focus-ring, #2563eb);
-    outline-offset: 2px;
-    transform: translateY(-2px);
-  }
-
-  &--active {
-    transform: translateY(-4px);
-    box-shadow: var(--projects-card-shadow-hover);
-    border-color: var(--color-focus-ring, #2563eb);
-    border-width: 2px;
-
-    .projects-section__actions {
-      opacity: 1;
-      transform: translateY(0);
-      pointer-events: all;
-    }
-  }
-}
-
-// Action buttons visibility
-.projects-section__actions {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -50%) translateY(10px);
-  opacity: 0;
-  transition: all 0.3s ease;
-  pointer-events: none;
-  display: flex;
-  gap: 1rem;
-  z-index: 10; // Above overlay
-
-  &--visible {
-    opacity: 1;
-    transform: translate(-50%, -50%) translateY(0);
-    pointer-events: all;
-  }
-}
-
-// Override for when actions are shown (hover, focus, active)
-.projects-section__card {
-  &:hover,
-  &:focus,
-  &--active,
-  &:focus-within {
-    .projects-section__actions {
-      opacity: 1;
-      transform: translate(-50%, -50%) translateY(0);
-      pointer-events: all;
-    }
-  }
-}
-
 // High contrast mode
 @media (prefers-contrast: high) {
   .projects-section__card {
diff --git a/src/scss/sections/services-section.scss b/src/scss/sections/services-section.scss
index 9c97d5f..28a6815 100644
--- a/src/scss/sections/services-section.scss
+++ b/src/scss/sections/services-section.scss
@@ -106,6 +106,7 @@
     min-height: 250px; // Ensures consistent card heights
     position: relative;
     border: 1px solid rgba(255, 255, 255, 0.2);
+    animation: cardFadeIn 0.6s ease-out;
 
     // Add subtle backdrop blur for depth
     &::before {
@@ -132,6 +133,52 @@
       outline-offset: 2px;
     }
 
+    // Make cards keyboard accessible
+    &[tabindex='0'] {
+      cursor: pointer;
+    }
+
+    // AAA-compliant focus indicator (3px minimum)
+    &:focus {
+      outline: 3px solid var(--color-focus-ring, #2563eb);
+      outline-offset: 2px;
+      transform: translateY(-2px);
+    }
+
+    // Enhanced hover and focus interaction
+    &:hover,
+    &:focus {
+      transform: translateY(-4px);
+      box-shadow: $shadow-card-hover;
+
+      // When both focused and hovered
+      &:focus {
+        outline: 3px solid var(--color-focus-ring, #2563eb);
+        outline-offset: 2px;
+        transform: translateY(-6px); // Slightly more lift when focused
+      }
+    }
+
+    // Animation delays for cards
+    &:nth-child(1) {
+      animation-delay: 0.1s;
+    }
+    &:nth-child(2) {
+      animation-delay: 0.2s;
+    }
+    &:nth-child(3) {
+      animation-delay: 0.3s;
+    }
+    &:nth-child(4) {
+      animation-delay: 0.4s;
+    }
+    &:nth-child(5) {
+      animation-delay: 0.5s;
+    }
+    &:nth-child(6) {
+      animation-delay: 0.6s;
+    }
+
     // Responsive card heights - more flexible approach
     @media (min-width: 768px) {
       min-height: 280px; // Use min-height instead of fixed height
@@ -150,6 +197,54 @@
       max-height: 400px;
     }
 
+    // High contrast mode support
+    @media (prefers-contrast: high) {
+      border: 2px solid currentColor !important;
+
+      &:focus {
+        outline: 4px solid currentColor !important;
+        outline-offset: 3px !important;
+      }
+
+      // Enhance icon visibility in high contrast
+      .services-section__icon {
+        filter: contrast(1.5) !important;
+      }
+    }
+
+    // Reduced motion support
+    @media (prefers-reduced-motion: reduce) {
+      transition: none !important;
+
+      &:hover,
+      &:focus {
+        transform: none !important;
+      }
+    }
+
+    // Touch device optimizations
+    @media (hover: none) and (pointer: coarse) {
+      min-height: 320px;
+
+      &:hover {
+        transform: none;
+        box-shadow: $shadow-card;
+      }
+
+      &:focus {
+        transform: translateY(-2px);
+        box-shadow: $shadow-card-hover;
+        outline: 3px solid var(--color-focus-ring, #2563eb);
+        outline-offset: 2px;
+      }
+    }
+
+    // Dark theme enhancements
+    @media (prefers-color-scheme: dark) {
+      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3),
+        0 2px 4px -1px rgba(0, 0, 0, 0.2);
+    }
+
     &--primary {
       background: var(--service-card-primary-bg);
     }
@@ -277,131 +372,25 @@
     flex: 1;
     display: flex;
     align-items: center;
+    // ================================
+    // WCAG Level AAA Accessibility Enhancements
+    // ================================
 
-    @media (max-width: 767px) {
-      padding: 0 1.25rem 1.25rem 1.25rem;
+    // High contrast mode support for better accessibility
+    @media (prefers-contrast: high) {
+      // Ensure text remains readable in high contrast mode
+      .services-section__card-title,
+      .services-section__card-description {
+        text-shadow: none !important;
+      }
     }
+    animation-delay: 0.4s;
   }
-
-  &__card-description {
-    margin: 0;
-    line-height: 1.5;
-    font-size: 0.875rem;
-    text-align: center;
-    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
-    font-weight: 400;
-
-    @media (max-width: 767px) {
-      font-size: 0.8rem;
-      line-height: 1.4;
-    }
-
-    @media (min-width: 1280px) {
-      font-size: 0.9rem;
-      line-height: 1.6;
-    }
-
-    &--primary {
-      color: var(--service-description-primary);
-    }
-
-    &--secondary {
-      color: var(--service-description-secondary);
-    }
-
-    &--tertiary {
-      color: var(--service-description-tertiary);
-    }
-
-    &--quaternary {
-      color: var(--service-description-quaternary);
-    }
-
-    &--quinary {
-      color: var(--service-description-quinary);
-    }
-
-    &--senary {
-      color: var(--service-description-senary);
-    }
+  &:nth-child(5) {
+    animation-delay: 0.5s;
   }
-}
-
-// Handle 6 cards specifically for better distribution
-.services-section__grid:has(.services-section__card:nth-child(6):last-child) {
-  // For exactly 6 cards
-  @media (min-width: 768px) and (max-width: 1023px) {
-    grid-template-columns: repeat(2, 1fr);
-
-    // Make last 2 cards center themselves if needed
-    .services-section__card:nth-child(5),
-    .services-section__card:nth-child(6) {
-      justify-self: center;
-    }
-  }
-
-  @media (min-width: 1024px) {
-    grid-template-columns: repeat(3, 1fr);
-  }
-}
-
-// Ultra-compact mobile layout for very small screens
-@media (max-height: 700px) and (max-width: 767px) {
-  .services-section {
-    min-height: auto;
-    padding: 1rem 0;
-
-    &__header {
-      margin-bottom: 1rem;
-    }
-
-    &__card {
-      min-height: 200px;
-      height: auto;
-    }
-
-    &__card-header {
-      padding: 1rem;
-    }
-
-    &__icon {
-      width: 1.75rem;
-      height: 1.75rem;
-      margin-bottom: 0.5rem;
-    }
-  }
-}
-
-// ================================
-// WCAG Level AAA Accessibility Enhancements
-// ================================
-
-// Enhanced focus states for keyboard navigation
-.services-section__card {
-  // Make cards keyboard accessible
-  &[tabindex='0'] {
-    cursor: pointer;
-  }
-
-  // AAA-compliant focus indicator (3px minimum)
-  &:focus {
-    outline: 3px solid var(--color-focus-ring, #2563eb);
-    outline-offset: 2px;
-    transform: translateY(-2px);
-  }
-
-  // Enhanced hover and focus interaction
-  &:hover,
-  &:focus {
-    transform: translateY(-4px);
-    box-shadow: $shadow-card-hover;
-
-    // When both focused and hovered
-    &:focus {
-      outline: 3px solid var(--color-focus-ring, #2563eb);
-      outline-offset: 2px;
-      transform: translateY(-6px); // Slightly more lift when focused
-    }
+  &:nth-child(6) {
+    animation-delay: 0.6s;
   }
 }
 
@@ -468,47 +457,25 @@
     // Enhance card visibility with better shadows in dark mode
     box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3),
       0 2px 4px -1px rgba(0, 0, 0, 0.2);
+    animation: cardFadeIn 0.6s ease-out;
 
-    &:hover,
-    &:focus {
-      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4),
-        0 10px 10px -5px rgba(0, 0, 0, 0.2);
+    &:nth-child(1) {
+      animation-delay: 0.1s;
+    }
+    &:nth-child(2) {
+      animation-delay: 0.2s;
+    }
+    &:nth-child(3) {
+      animation-delay: 0.3s;
+    }
+    &:nth-child(4) {
+      animation-delay: 0.4s;
+    }
+    &:nth-child(5) {
+      animation-delay: 0.5s;
+    }
+    &:nth-child(6) {
+      animation-delay: 0.6s;
     }
   }
 }
-
-// Subtle loading animation for cards
-@keyframes cardFadeIn {
-  from {
-    opacity: 0;
-    transform: translateY(20px);
-  }
-  to {
-    opacity: 1;
-    transform: translateY(0);
-  }
-}
-
-// Animation delays for staggered effect
-.services-section__card {
-  animation: cardFadeIn 0.6s ease-out;
-
-  &:nth-child(1) {
-    animation-delay: 0.1s;
-  }
-  &:nth-child(2) {
-    animation-delay: 0.2s;
-  }
-  &:nth-child(3) {
-    animation-delay: 0.3s;
-  }
-  &:nth-child(4) {
-    animation-delay: 0.4s;
-  }
-  &:nth-child(5) {
-    animation-delay: 0.5s;
-  }
-  &:nth-child(6) {
-    animation-delay: 0.6s;
-  }
-}