/* CSS Variables - Theme Colors */
:root {
   --primary-color: #667eea;
   --secondary-color: #764ba2;
   --tertiary-color: #f093fb;
   --accent-color: #4facfe;
   --bg-light: #f8f9fa;
   --text-dark: #2c3e50;
   --text-light: #666;
   --white: #ffffff;
   --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
   --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
   --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.15);
   --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
   margin: 0;
   padding: 0;
   box-sizing: border-box;
}

html {
   scroll-behavior: smooth;
}

body {
   font-family: 'Roboto', sans-serif;
   color: var(--text-dark);
   background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
   min-height: 100vh;
   overflow-x: hidden;
}

/* ===== NAVBAR ===== */
.navbar {
   background: rgba(255, 255, 255, 0.95) !important;
   box-shadow: var(--shadow-sm);
   backdrop-filter: blur(10px);
   transition: var(--transition);
   position: sticky;
   top: 0;
   z-index: 1000;
}

.navbar.scrolled {
   background: rgba(255, 255, 255, 0.98) !important;
   box-shadow: var(--shadow-md);
}

.navbar-brand {
   font-family: 'Poppins', sans-serif;
   font-weight: 700;
   font-size: 1.6rem;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
}

.nav-link {
   font-weight: 500;
   color: var(--text-dark) !important;
   transition: var(--transition);
   position: relative;
   margin: 0 10px;
}

.nav-link::after {
   content: '';
   position: absolute;
   width: 0;
   height: 2px;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   bottom: -5px;
   left: 0;
   transition: var(--transition);
}

.nav-link:hover::after {
   width: 100%;
}

/* ===== SECTIONS ===== */
section {
   padding: 60px 20px;
   transition: var(--transition);
}

@media (max-width: 768px) {
   section {
      padding: 40px 15px;
   }
}

.section-title {
   font-family: 'Poppins', sans-serif;
   font-size: 2.5rem;
   font-weight: 700;
   margin-bottom: 50px;
   text-align: center;
   color: var(--text-dark);
   position: relative;
   padding-bottom: 30px;
}

.section-title::after {
   content: '';
   position: absolute;
   width: 80px;
   height: 4px;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   bottom: 0;
   left: 50%;
   transform: translateX(-50%);
   border-radius: 2px;
}

@media (max-width: 768px) {
   .section-title {
      font-size: 2rem;
      margin-bottom: 30px;
   }
}

/* ===== HERO/INTRODUCTION SECTION ===== */
#introduction {
   background: linear-gradient(135deg, var(--white) 0%, var(--bg-light) 100%);
   padding: 80px 20px;
   min-height: 100vh;
   display: flex;
   align-items: center;
   justify-content: center;
}

.hero-container {
   max-width: 1200px;
   margin: 0 auto;
}

.hero-content {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: 50px;
   align-items: center;
}

@media (max-width: 768px) {
   .hero-content {
      grid-template-columns: 1fr;
      gap: 30px;
   }
}

.hero-text h1 {
   font-family: 'Poppins', sans-serif;
   font-size: 3rem;
   font-weight: 800;
   margin-bottom: 20px;
   color: var(--text-dark);
   line-height: 1.2;
}

.hero-text .role-title {
   font-size: 1.5rem;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
   font-weight: 600;
   margin-bottom: 20px;
}

.hero-text p {
   font-size: 1.1rem;
   color: var(--text-light);
   line-height: 1.8;
   margin-bottom: 30px;
}

.hero-stats {
   display: flex;
   gap: 30px;
   margin: 30px 0;
   flex-wrap: wrap;
}

.stat-item {
   display: flex;
   flex-direction: column;
}

.stat-number {
   font-size: 2rem;
   font-weight: 700;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
}

.stat-label {
   font-size: 0.9rem;
   color: var(--text-light);
   text-transform: uppercase;
   letter-spacing: 1px;
}

.hero-cta {
   display: flex;
   gap: 15px;
   margin-top: 40px;
   flex-wrap: wrap;
}

.btn-primary-custom {
   padding: 15px 40px;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   color: var(--white);
   border: none;
   border-radius: 50px;
   font-weight: 600;
   cursor: pointer;
   transition: var(--transition);
   font-size: 1rem;
   display: inline-flex;
   align-items: center;
   gap: 10px;
   text-decoration: none;
}

.btn-primary-custom:hover {
   transform: translateY(-3px);
   box-shadow: var(--shadow-lg);
   color: var(--white);
   text-decoration: none;
}

.btn-secondary-custom {
   padding: 15px 40px;
   background: transparent;
   color: var(--primary-color);
   border: 2px solid var(--primary-color);
   border-radius: 50px;
   font-weight: 600;
   cursor: pointer;
   transition: var(--transition);
   font-size: 1rem;
   display: inline-flex;
   align-items: center;
   gap: 10px;
   text-decoration: none;
}

.btn-secondary-custom:hover {
   background: var(--primary-color);
   color: var(--white);
   transform: translateY(-3px);
}

.hero-image {
   position: relative;
   display: flex;
   align-items: center;
   justify-content: center;
}

/* ===== PROFILE PIC CONTAINER ===== */
.profile-pic-container {
   position: relative;
   width: 100%;
   aspect-ratio: 1;
   display: flex;
   align-items: center;
   justify-content: center;
}

.profile-pic {
   position: relative;
   overflow: hidden;
}

@keyframes floatProfile {
   0%, 100% {
      transform: translateY(0px);
   }
   50% {
      transform: translateY(-20px);
   }
}

.profile-pic-inner {
   position: relative;
   width: 100%;
   height: 100%;
   display: flex;
   align-items: center;
   justify-content: center;
   overflow: hidden;
}

/* Tech Icons Background */
.tech-icon-bg {
   position: absolute;
   font-size: 3rem;
   color: rgba(255, 255, 255, 0.15);
   display: flex;
   align-items: center;
   justify-content: center;
   animation: rotateIcon 8s linear infinite;
}

@keyframes rotateIcon {
   from {
      transform: rotate(0deg);
   }
   to {
      transform: rotate(360deg);
   }
}

.tech-icon-1 {
   width: 100px;
   height: 100px;
   top: 20px;
   left: 20px;
   animation-duration: 8s;
}

.tech-icon-2 {
   width: 100px;
   height: 100px;
   top: 20px;
   right: 20px;
   animation-duration: 10s;
   animation-direction: reverse;
}

.tech-icon-3 {
   width: 100px;
   height: 100px;
   bottom: 20px;
   left: 20px;
   animation-duration: 12s;
}

.tech-icon-4 {
   width: 100px;
   height: 100px;
   bottom: 20px;
   right: 20px;
   animation-duration: 10s;
   animation-direction: reverse;
}

/* Main Profile Icon */
.profile-pic-placeholder {
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 4rem;
   position: relative;
   z-index: 5;
   box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
   animation: pulseIcon 2.5s ease-in-out infinite;
}

@keyframes pulseIcon {
   0%, 100% {
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
   }
   50% {
      box-shadow: 0 15px 60px rgba(102, 126, 234, 0.4);
   }
}

/* Glow Effect */
.profile-glow {
   position: absolute;
   width: 380px;
   height: 380px;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   animation: glowPulse 3s ease-in-out infinite;
   z-index: -1;
}

@keyframes glowPulse {
   0%, 100% {
      opacity: 0.4;
      transform: translate(-50%, -50%) scale(1);
   }
   50% {
      opacity: 0.8;
      transform: translate(-50%, -50%) scale(1.1);
   }
}

/* Code Brackets */
.code-bracket {
   position: absolute;
   font-size: 5rem;
   font-weight: 300;
   color: rgba(102, 126, 234, 0.2);
   z-index: 999;
   line-height: 1;
}

.code-bracket-left {
   top: 15%;
   left: -20px;
   animation: slideLeftBracket 3s ease-in-out infinite;
}

.code-bracket-right {
   bottom: 15%;
   right: -20px;
   animation: slideRightBracket 3s ease-in-out infinite;
}

@keyframes slideLeftBracket {
   0%, 100% {
      transform: translateX(0) rotate(0deg);
   }
   50% {
      transform: translateX(-20px) rotate(-5deg);
   }
}

@keyframes slideRightBracket {
   0%, 100% {
      transform: translateX(0) rotate(0deg);
   }
   50% {
      transform: translateX(20px) rotate(5deg);
   }
}

/* Accent Dots */
.accent-dot {
   position: absolute;
   border-radius: 50%;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   z-index: 1;
   animation: dotFloat 4s ease-in-out infinite;
}

.accent-dot-1 {
   width: 15px;
   height: 15px;
   top: 30px;
   right: 30px;
   animation-duration: 4s;
}

.accent-dot-2 {
   width: 10px;
   height: 10px;
   bottom: 50px;
   left: 20px;
   animation-duration: 5s;
   animation-delay: 0.5s;
}

@keyframes dotFloat {
   0%, 100% {
      transform: translateY(0) translateX(0);
   }
   25% {
      transform: translateY(-15px) translateX(10px);
   }
   50% {
      transform: translateY(-20px) translateX(0);
   }
   75% {
      transform: translateY(-15px) translateX(-10px);
   }
}

@media (max-width: 768px) {
   .hero-text h1 {
      font-size: 2.2rem;
   }

   .hero-text .role-title {
      font-size: 1.2rem;
   }

   .profile-pic {
      width: 280px;
      height: 280px;
      box-shadow: 0 15px 40px rgba(102, 126, 234, 0.25);
   }
   
   .profile-pic-placeholder {
      width: 140px;
      height: 140px;
      font-size: 2.5rem;
   }
   
   .code-bracket {
      font-size: 3rem;
   }
   
   .code-bracket-left {
      top: 10%;
      left: -15px;
   }
   
   .code-bracket-right {
      bottom: 10%;
      right: -15px;
   }
   
   .tech-icon-bg {
      font-size: 1.5rem;
   }
   
   .tech-icon-1,
   .tech-icon-2,
   .tech-icon-3,
   .tech-icon-4 {
      width: 70px;
      height: 70px;
   }
}

/* ===== SKILLS SECTION ===== */
#skills {
   background: var(--white);
   padding: 80px 20px;
}

.skills-container {
   max-width: 1200px;
   margin: 0 auto;
}

.skills-grid {
   display: grid;
   grid-template-columns: repeat(4, 1fr);
   gap: 20px;
   margin-top: 40px;
}

@media (max-width: 1200px) {
   .skills-grid {
      grid-template-columns: repeat(2, 1fr);
   }
}

@media (max-width: 768px) {
   .skills-grid {
      grid-template-columns: 1fr;
   }
}

.skill-category {
   background: var(--white);
   padding: 20px;
   border-radius: 20px;
   transition: var(--transition);
   box-shadow: var(--shadow-sm);
   border: 1px solid rgba(0,0,0,0.05);
   display: flex;
   flex-direction: column;
   height: 100%;
}

.skill-category:hover {
   transform: translateY(-8px);
   box-shadow: var(--shadow-lg);
   border-color: var(--primary-color);
}

.skill-category-header {
   display: flex;
   align-items: center;
   gap: 15px;
   margin-bottom: 25px;
   padding-bottom: 15px;
   border-bottom: 1px solid rgba(0,0,0,0.05);
}

.skill-category-icon-bg {
   width: 45px;
   height: 45px;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   border-radius: 12px;
   display: flex;
   align-items: center;
   justify-content: center;
   color: var(--white);
   font-size: 1.2rem;
   box-shadow: 0 4px 10px rgba(102, 126, 234, 0.2);
}

.skill-category h3 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.25rem;
   font-weight: 700;
   margin: 0;
   color: var(--text-dark);
}

.skills-list {
   display: flex;
   flex-direction: column;
   gap: 12px;
}

.skill-item {
   display: flex;
   justify-content: space-between;
   align-items: center;
   background: var(--bg-light);
   padding: 10px 15px;
   border-radius: 10px;
   transition: var(--transition);
   border: 1px solid transparent;
}

.skill-item:hover {
   background: var(--white);
   border-color: var(--primary-color);
   transform: translateX(5px);
}

.skill-name {
   font-weight: 500;
   color: var(--text-dark);
   font-size: 0.95rem;
}

.skill-duration-tag {
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   color: var(--white);
   padding: 2px 10px;
   border-radius: 6px;
   font-size: 0.75rem;
   font-weight: 600;
   letter-spacing: 0.5px;
   box-shadow: 0 2px 5px rgba(102, 126, 234, 0.2);
}

.skill-category-icon {
   display: none;
}

.skill-tag {
   display: none;
}

/* ===== EXPERIENCE SECTION ===== */
#experience {
   background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
   padding: 80px 20px;
}

.experience-container {
   max-width: 1200px;
   margin: 0 auto;
}

.timeline {
   display: flex;
   flex-direction: column;
   gap: 40px;
   padding: 20px 0;
}

/* ===== EXPERIENCE ITEM - TWO COLUMN LAYOUT WITH STICKY LEFT ===== */
.experience-item {
   display: grid;
   grid-template-columns: 1fr auto 1fr;
   gap: 30px;
   align-items: stretch;
   margin-bottom: 40px;
}

.experience-left {
   background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
   padding: 35px;
   border-radius: 15px;
   border-left: 5px solid var(--primary-color);
   box-shadow: var(--shadow-sm);
   transition: var(--transition);
   position: sticky;
   top: 100px;
   height: fit-content;
}

.experience-left:hover {
   box-shadow: var(--shadow-md);
   transform: translateY(-5px);
   border-left-color: var(--secondary-color);
}

.company-header h3 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.4rem;
   font-weight: 700;
   color: var(--text-dark);
   margin-bottom: 12px;
}

.experience-left .role {
   font-size: 1.05rem;
   color: var(--primary-color);
   font-weight: 600;
   margin-bottom: 10px;
   display: flex;
   align-items: center;
   gap: 8px;
   margin-top: 0;
}

.experience-left .duration {
   font-size: 0.85rem;
   color: var(--text-light);
   margin-bottom: 18px;
   display: flex;
   align-items: center;
   gap: 8px;
   text-transform: uppercase;
   letter-spacing: 0.5px;
   font-weight: 500;
}

.experience-left .description {
   font-size: 0.95rem;
   color: var(--text-light);
   line-height: 1.7;
   margin: 0;
}

/* ===== TIMELINE DIVIDER ===== */
.timeline-divider {
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: space-between;
   width: 40px;
   position: relative;
   margin: 0 auto;
}

.timeline-divider::before {
   content: '';
   position: absolute;
   left: 50%;
   top: 10px;
   bottom: 10px;
   transform: translateX(-50%);
   width: 3px;
   background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   border-radius: 3px;
   z-index: 1;
}

.timeline-start-dot,
.timeline-end-dot {
   width: 20px;
   height: 20px;
   background: var(--white);
   border: 3px solid var(--primary-color);
   border-radius: 50%;
   position: relative;
   z-index: 2;
   box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
   flex-shrink: 0;
}

.timeline-end-dot {
   border-color: var(--secondary-color);
   box-shadow: 0 0 0 4px rgba(118, 75, 162, 0.15);
}

.timeline-line {
   display: none;
}

.experience-right {
   background: linear-gradient(135deg, rgba(240, 147, 251, 0.08) 0%, rgba(79, 172, 254, 0.08) 100%);
   padding: 35px;
   border-radius: 15px;
   border-right: 5px solid var(--secondary-color);
   box-shadow: var(--shadow-sm);
   transition: var(--transition);
   display: flex;
   flex-direction: column;
}

.experience-right:hover {
   box-shadow: var(--shadow-md);
   transform: translateY(-5px);
   border-right-color: var(--primary-color);
}

.key-contributions {
   margin: 0;
   padding: 0;
   border: none;
}

.key-contributions h4 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.1rem;
   font-weight: 700;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
   margin-bottom: 20px;
   display: flex;
   align-items: center;
   gap: 8px;
   padding-bottom: 12px;
   border-bottom: 2px solid rgba(102, 126, 234, 0.2);
}

.contributions-list {
   list-style: none;
   padding: 0;
   margin: 0;
   display: flex;
   flex-direction: column;
   gap: 15px;
}

.contributions-list li {
   font-size: 0.85rem;
   color: var(--text-light);
   line-height: 1.6;
   margin: 0;
   padding-left: 20px;
   position: relative;
}

.contributions-list li::before {
   content: '✓';
   position: absolute;
   left: 0;
   color: var(--secondary-color);
   font-weight: 700;
   font-size: 1rem;
}

.contributions-list li strong {
   color: var(--text-dark);
   font-weight: 600;
   display: block;
   margin-bottom: 4px;
}

@media (max-width: 1024px) {
   .experience-item {
      grid-template-columns: 1fr;
      gap: 20px;
      align-items: stretch;
   }
   
   .experience-left {
      position: relative;
      top: auto;
      padding: 30px;
   }
   
   .timeline-divider {
      display: none;
   }
   
   .experience-left,
   .experience-right {
      padding: 30px;
   }
}

@media (max-width: 768px) {
   .experience-item {
      grid-template-columns: 1fr;
      gap: 15px;
   }
   
   .experience-left,
   .experience-right {
      padding: 20px;
      border-left: none;
      border-right: none;
      border-top: 4px solid var(--primary-color);
   }
   
   .experience-left {
      position: relative;
      top: auto;
   }
   
   .experience-right {
      border-top-color: var(--secondary-color);
   }
   
   .timeline-divider {
      display: none;
   }
   
   .company-header h3 {
      font-size: 1.2rem;
   }
   
   .experience-left .role {
      font-size: 0.95rem;
   }
   
   .key-contributions h4 {
      font-size: 1rem;
   }
   
   .contributions-list li {
      font-size: 0.8rem;
   }
}

/* Hide old timeline styles - replaced with new experience layout */

/* ===== PROJECTS SECTION ===== */
#projects {
   background: var(--white);
   padding: 80px 20px;
}

.projects-container {
   max-width: 1200px;
   margin: 0 auto;
}

.project-filters {
   display: flex;
   gap: 15px;
   justify-content: center;
   margin-bottom: 50px;
   flex-wrap: wrap;
}

.filter-btn {
   padding: 10px 25px;
   background: var(--bg-light);
   border: 2px solid transparent;
   border-radius: 25px;
   font-weight: 600;
   cursor: pointer;
   transition: var(--transition);
   color: var(--text-dark);
}

.filter-btn:hover,
.filter-btn.active {
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   color: var(--white);
   border-color: transparent;
}

.projects-grid {
   display: block;
}

.project-category-section {
   margin-bottom: 60px;
}

.project-category-section.hidden {
   display: none;
}

.category-header {
   margin-bottom: 40px;
   padding-bottom: 30px;
   border-bottom: 2px solid var(--border-color);
}

.category-header h3 {
   font-size: 2rem;
   font-weight: 700;
   margin-bottom: 10px;
   color: var(--text-dark);
   display: flex;
   align-items: center;
   gap: 15px;
}

.category-header h3 i {
   font-size: 2.2rem;
   background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
}

.category-header p {
   color: var(--text-light);
   font-size: 1.05rem;
}

.category-projects-grid {
   display: grid;
   grid-template-columns: repeat(4, 1fr);
   gap: 25px;
}

@media (max-width: 1400px) {
   .category-projects-grid {
      grid-template-columns: repeat(3, 1fr);
   }
}

@media (max-width: 1100px) {
   .category-projects-grid {
      grid-template-columns: repeat(2, 1fr);
   }
}

@media (max-width: 768px) {
   .category-projects-grid {
      grid-template-columns: 1fr;
      gap: 20px;
   }

   .category-header h3 {
      font-size: 1.5rem;
   }
}

@media (max-width: 768px) {
   .projects-grid {
      grid-template-columns: 1fr;
      gap: 20px;
   }
}

.project-card {
   background: var(--white);
   border-radius: 20px;
   overflow: hidden;
   transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
   box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
   display: flex;
   flex-direction: column;
   border: 1px solid rgba(102, 126, 234, 0.12);
   position: relative;
   min-height: auto;
   max-height: none;
}

.project-number-badge {
   position: absolute;
   top: 15px;
   left: 15px;
   background: var(--white);
   color: var(--text-dark);
   width: 38px;
   height: 38px;
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
   font-weight: 800;
   font-size: 0.95rem;
   box-shadow: 0 4px 10px rgba(0,0,0,0.1);
   z-index: 10;
   border: 2px solid var(--white);
}

.project-header-card {
   padding: 20px 25px 20px 70px;
   color: var(--white);
   display: flex;
   align-items: center;
   gap: 20px;
   position: relative;
}

.project-header-icon {
   width: 42px;
   height: 42px;
   min-width: 42px;
   background: rgba(255, 255, 255, 0.2);
   border-radius: 10px;
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 1.2rem;
   backdrop-filter: blur(10px);
   border: 1px solid rgba(255, 255, 255, 0.3);
}

.project-title-area {
   flex-grow: 1;
   display: flex;
   flex-direction: column;
   gap: 4px;
}

.project-title-area h3 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.4rem;
   font-weight: 800;
   margin: 0;
   color: var(--white);
   letter-spacing: -0.5px;
   line-height: 1.2;
}

.project-date-tag {
   font-size: 0.8rem;
   font-weight: 700;
   background: rgba(255, 255, 255, 0.25);
   padding: 4px 12px;
   border-radius: 8px;
   backdrop-filter: blur(5px);
   display: inline-flex;
   align-items: center;
   gap: 6px;
   width: fit-content;
}

.project-header-link:hover {
   cursor: pointer;
   transform: translateY(-3px) scale(1.5);
}

.project-header-link i {
   color: var(--white);
}

.collapsible-wrapper {
   margin-bottom: 10px;
   border: 1px solid rgba(102, 126, 234, 0.1);
   border-radius: 12px;
   overflow: hidden;
   background: var(--bg-light);
}

.collapsible-trigger {
   width: 100%;
   padding: 12px 18px;
   background: transparent;
   border: none;
   display: flex;
   justify-content: space-between;
   align-items: center;
   cursor: pointer;
   color: var(--text-dark);
   font-weight: 600;
   font-size: 0.9rem;
   transition: var(--transition);
}

.collapsible-trigger:hover {
   background: rgba(102, 126, 234, 0.05);
}

.collapsible-trigger span {
   display: flex;
   align-items: center;
   gap: 10px;
}

.collapsible-trigger span i {
   color: var(--primary-color);
}

.collapsible-trigger .fa-chevron-down {
   font-size: 0.8rem;
   transition: transform 0.3s ease;
}

.collapsible-trigger.active .fa-chevron-down {
   transform: rotate(180deg);
}

.collapsible-content {
   max-height: 0;
   overflow: hidden;
   transition: max-height 0.3s ease-out;
   background: var(--white);
}

.project-card-content {
   padding: 20px;
}

.project-details {
   padding: 15px 15px 5px 15px;
}

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

.features-list li {
   padding: 6px 0;
   font-size: 0.85rem;
   display: flex;
   align-items: flex-start;
   gap: 10px;
   color: var(--text-light);
   position: relative;
}

.features-list li i {
   color: #2ecc71; /* Success Green for ticks */
   font-size: 0.9rem;
   margin-top: 3px;
}

.project-tech-inline {
   padding: 15px;
   border-top: 1px dashed rgba(0,0,0,0.08);
   background: rgba(102, 126, 234, 0.02);
}

.tech-label {
   font-size: 0.75rem;
   font-weight: 700;
   text-transform: uppercase;
   color: var(--text-light);
   margin-bottom: 10px;
   display: flex;
   align-items: center;
   gap: 6px;
}

.project-tags {
   display: flex;
   flex-wrap: wrap;
   gap: 6px;
}

.tag {
   background: var(--white);
   padding: 4px 10px;
   border-radius: 6px;
   font-size: 0.7rem;
   color: var(--text-dark);
   font-weight: 600;
   border: 1px solid rgba(0,0,0,0.1);
   transition: all 0.2s ease;
}

.tag:hover {
   background: var(--primary-color);
   color: var(--white);
   border-color: var(--primary-color);
}

.project-footer {
   display: none;
}

/* ===== PROJECTS TABLE FORMAT ===== */
.project-sort-controls {
   margin-bottom: 30px;
   display: flex;
   align-items: center;
   gap: 15px;
   background: var(--white);
   padding: 15px 20px;
   border-radius: 10px;
   box-shadow: var(--shadow-sm);
}

.project-sort-controls label {
   font-weight: 600;
   color: var(--text-dark);
}

.project-sort-controls select {
   padding: 8px 15px;
   border: 2px solid var(--primary-color);
   border-radius: 8px;
   background: var(--white);
   color: var(--text-dark);
   font-weight: 600;
   cursor: pointer;
   transition: var(--transition);
}

.project-sort-controls select:hover {
   border-color: var(--secondary-color);
   box-shadow: 0 0 10px rgba(102, 126, 234, 0.2);
}

.projects-table {
   width: 100%;
   border-collapse: collapse;
   background: var(--white);
   border-radius: 12px;
   overflow: hidden;
   box-shadow: var(--shadow-md);
   margin: 20px 0;
   table-layout: fixed;
}

.projects-table thead {
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   color: var(--white);
}

.projects-table thead th {
   padding: 18px 12px;
   font-weight: 700;
   text-align: left;
   font-size: 0.9rem;
   text-transform: uppercase;
   letter-spacing: 0.5px;
   border-bottom: 3px solid var(--primary-color);
   word-wrap: break-word;
   overflow-wrap: break-word;
}

.projects-table tbody tr.project-row {
   border-bottom: 1px solid rgba(0, 0, 0, 0.08);
   transition: var(--transition);
}

.projects-table tbody tr.project-row:hover {
   background: rgba(102, 126, 234, 0.05);
   box-shadow: inset 4px 0 0 var(--primary-color);
}

.projects-table tbody td {
   padding: 16px 15px;
   font-size: 0.9rem;
   color: var(--text-dark);
   vertical-align: middle;
}

.project-number {
   font-weight: 800;
   color: var(--primary-color);
   font-size: 1rem;
   text-align: center;
}

.project-title {
   font-weight: 700;
   color: var(--text-dark);
   font-size: 0.95rem;
}

.project-description {
   color: var(--text-light);
   font-size: 0.85rem;
   line-height: 1.4;
}

.project-link {
   text-align: center;
   padding: 16px 8px !important;
}

.project-link a {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   width: 38px;
   height: 38px;
   border-radius: 8px;
   transition: var(--transition);
   text-decoration: none;
   font-size: 1rem;
}

.project-link a:hover {
   transform: translateY(-3px) scale(1.5);
   box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

.project-date {
   font-size: 0.85rem;
   color: var(--text-light);
   text-align: center;
}

.project-expand {
   text-align: center;
}

.expand-btn {
   width: 38px;
   height: 38px;
   border: 2px solid var(--primary-color);
   background: transparent;
   border-radius: 8px;
   color: var(--primary-color);
   cursor: pointer;
   font-size: 1rem;
   transition: var(--transition);
   display: flex;
   align-items: center;
   justify-content: center;
   padding: 0;
}

.expand-btn:hover {
   background: var(--primary-color);
   color: var(--white);
   box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.expand-btn.active {
   background: var(--primary-color);
   color: var(--white);
}

.project-details-row {
   background: rgba(102, 126, 234, 0.03);
}

.details-cell {
   padding: 30px 15px !important;
}

.project-details-content {
   background: var(--white);
   border-radius: 12px;
   padding: 25px;
   border: 1px solid rgba(102, 126, 234, 0.15);
}

.detail-section {
   margin-bottom: 25px;
}

.detail-section:last-child {
   margin-bottom: 0;
}

.detail-section h4 {
   font-family: 'Poppins', sans-serif;
   font-size: 1rem;
   font-weight: 700;
   color: var(--text-dark);
   margin-bottom: 12px;
   display: flex;
   align-items: center;
   gap: 8px;
}

.detail-section h4 i {
   color: var(--primary-color);
}

.detail-section p {
   color: var(--text-light);
   font-size: 0.9rem;
   line-height: 1.6;
   margin: 0;
}

.detail-section ul {
   list-style: none;
   padding: 0;
   margin: 0;
}

.detail-section ul li {
   padding: 8px 0;
   font-size: 0.85rem;
   display: flex;
   align-items: flex-start;
   gap: 10px;
   color: var(--text-light);
}

.detail-section ul li i {
   color: #2ecc71;
   margin-top: 2px;
   flex-shrink: 0;
}

.detail-section .project-tags {
   display: flex;
   flex-wrap: wrap;
   gap: 8px;
   margin: 0;
}

/* ===== PROJECT DETAIL VIEW ===== */
.project-detail-view {
   display: none;
   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background: rgba(0, 0, 0, 0.5);
   z-index: 2000;
   overflow-y: auto;
}

.project-detail-view.active {
   display: block;
}

.project-detail-content {
   background: var(--white);
   max-width: 800px;
   margin: 40px auto;
   border-radius: 15px;
   overflow: hidden;
   box-shadow: var(--shadow-lg);
}

.project-detail-header {
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   color: var(--white);
   padding: 40px 30px;
   position: relative;
}

.project-detail-header .back-btn {
   position: absolute;
   top: 20px;
   right: 20px;
   width: 40px;
   height: 40px;
   background: rgba(255, 255, 255, 0.2);
   border: none;
   border-radius: 50%;
   color: var(--white);
   font-size: 1.5rem;
   cursor: pointer;
   display: flex;
   align-items: center;
   justify-content: center;
   transition: var(--transition);
}

.project-detail-header .back-btn:hover {
   background: rgba(255, 255, 255, 0.3);
   transform: scale(1.1);
}

.project-detail-header h2 {
   font-family: 'Poppins', sans-serif;
   font-size: 2rem;
   font-weight: 700;
   margin-bottom: 10px;
}

.project-detail-header p {
   font-size: 1.1rem;
   opacity: 0.95;
}

.project-detail-body {
   padding: 40px;
}

.detail-section {
   margin-bottom: 30px;
}

.detail-section h3 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.3rem;
   font-weight: 700;
   color: var(--text-dark);
   margin-bottom: 15px;
   display: flex;
   align-items: center;
   gap: 10px;
}

.detail-section ul {
   list-style: none;
   padding: 0;
}

.detail-section li {
   padding: 10px 0;
   color: var(--text-light);
   display: flex;
   gap: 10px;
   line-height: 1.6;
}

.detail-section li::before {
   content: '→';
   font-weight: 700;
   color: var(--primary-color);
   min-width: 20px;
}

.tech-stack {
   display: flex;
   flex-wrap: wrap;
   gap: 10px;
   margin-top: 15px;
}

.tech-stack-item {
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   color: var(--white);
   padding: 8px 16px;
   border-radius: 20px;
   font-size: 0.9rem;
   font-weight: 600;
}

.detail-links {
   display: flex;
   gap: 15px;
   margin-top: 20px;
   flex-wrap: wrap;
}

.detail-link-btn {
   padding: 12px 25px;
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   color: var(--white);
   border: none;
   border-radius: 25px;
   cursor: pointer;
   text-decoration: none;
   font-weight: 600;
   transition: var(--transition);
   display: inline-flex;
   align-items: center;
   gap: 8px;
}

.detail-link-btn:hover {
   transform: translateY(-3px);
   box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
   .project-detail-content {
      margin: 20px;
      border-radius: 12px;
   }

   .project-detail-header {
      padding: 25px 15px;
   }

   .project-detail-header h2 {
      font-size: 1.5rem;
   }

   .project-detail-body {
      padding: 20px;
   }
}

/* ===== AWARDS & CERTIFICATIONS SECTION ===== */
#awards {
   background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
   padding: 80px 20px;
}

.awards-container {
   max-width: 1200px;
   margin: 0 auto;
}

.awards-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
   gap: 30px;
   margin-top: 50px;
}

.award-card {
   background: var(--white);
   padding: 30px 25px;
   border-radius: 24px;
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
   transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
   text-align: center;
   position: relative;
   border-bottom: 5px solid var(--primary-color);
   overflow: visible;
}

.award-card:hover {
   transform: translateY(-12px);
   box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
}

.award-badge-ribbon {
   position: absolute;
   top: -15px;
   right: 25px;
   background: linear-gradient(135deg, #ffd700, #ffae00);
   color: #fff;
   width: 40px;
   height: 45px;
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 1.2rem;
   border-radius: 4px 4px 50px 50px;
   box-shadow: 0 4px 10px rgba(255, 174, 0, 0.3);
}

.award-icon-container {
   margin-bottom: 25px;
   position: relative;
   display: inline-block;
}

.award-icon-circle {
   width: 80px;
   height: 80px;
   background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 2.2rem;
   color: var(--primary-color);
   transition: var(--transition);
   border: 1px solid rgba(102, 126, 234, 0.1);
}

.award-card:hover .award-icon-circle {
   background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
   color: var(--white);
   transform: rotate(360deg);
}

.award-date-bubble {
   display: inline-flex;
   flex-direction: column;
   background: var(--bg-light);
   padding: 8px 15px;
   border-radius: 12px;
   margin-bottom: 15px;
   border: 1px solid rgba(0,0,0,0.03);
}

.award-month {
   font-size: 0.8rem;
   font-weight: 800;
   color: var(--primary-color);
   text-transform: uppercase;
   letter-spacing: 1px;
   line-height: 1;
}

.award-year {
   font-size: 1.1rem;
   font-weight: 700;
   color: var(--text-dark);
   line-height: 1.2;
}

.award-card h3 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.25rem;
   font-weight: 700;
   margin-bottom: 8px;
   color: var(--text-dark);
}

.award-issuer {
   font-weight: 600;
   color: var(--secondary-color);
   font-size: 0.9rem;
   margin-bottom: 15px;
   display: flex;
   align-items: center;
   justify-content: center;
   gap: 6px;
}

.award-description {
   font-size: 0.92rem;
   color: var(--text-light);
   line-height: 1.6;
}

/* ===== ACADEMICS SECTION ===== */
#academics {
   background: var(--white);
   padding: 80px 20px;
}

.academics-container {
   max-width: 1200px;
   margin: 0 auto;
}

.academics-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
   gap: 35px;
   margin-top: 50px;
}

.academic-card {
   background: var(--white);
   padding: 40px 30px;
   border-radius: 4px;
   position: relative;
   border: 1px solid #e0e0e0;
   box-shadow: 0 5px 15px rgba(0,0,0,0.05);
   transition: all 0.4s ease;
   overflow: hidden;
}

.academic-card::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 8px;
   background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.academic-card:hover {
   transform: translateY(-10px);
   box-shadow: 0 15px 35px rgba(102, 126, 234, 0.1);
   border-color: var(--primary-color);
}

.academic-leaf-decor {
   position: absolute;
   top: 20px;
   right: 20px;
   font-size: 2.5rem;
   color: var(--primary-color);
   opacity: 0.05;
   transform: rotate(15deg);
   pointer-events: none;
}

.academic-header {
   display: flex;
   align-items: flex-start;
   gap: 20px;
   margin-bottom: 25px;
}

.academic-icon-box {
   width: 50px;
   height: 50px;
   background: var(--bg-light);
   border: 2px solid var(--primary-color);
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 1.5rem;
   color: var(--primary-color);
   border-radius: 4px;
   flex-shrink: 0;
}

.academic-titles h3 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.3rem;
   font-weight: 700;
   color: var(--text-dark);
   line-height: 1.3;
   margin-bottom: 5px;
}

.degree-main {
   font-size: 1rem;
   color: var(--secondary-color);
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 1px;
}

.academic-info-row {
   display: flex;
   flex-wrap: wrap;
   gap: 15px;
   margin-bottom: 25px;
}

.info-tag {
   font-size: 0.85rem;
   color: var(--text-dark);
   background: var(--bg-light);
   padding: 4px 12px;
   border-radius: 20px;
   display: flex;
   align-items: center;
   gap: 6px;
   border: 1px solid rgba(102, 126, 234, 0.1);
}

.academic-gpa-container {
   background: rgba(102, 126, 234, 0.05);
   border: 1px dashed var(--primary-color);
   padding: 15px;
   border-radius: 4px;
   margin-bottom: 20px;
   text-align: center;
}

.gpa-label {
   font-size: 0.75rem;
   color: var(--text-light);
   text-transform: uppercase;
   letter-spacing: 2px;
   margin-bottom: 5px;
}

.gpa-value {
   font-size: 1.4rem;
   font-weight: 800;
   color: var(--primary-color);
}

.academic-details {
   font-size: 0.95rem;
   color: var(--text-light);
   line-height: 1.8;
   font-style: italic;
}

.academic-footer-seal {
   position: absolute;
   bottom: -15px;
   right: -10px;
   font-size: 4rem;
   color: var(--primary-color);
   opacity: 0.03;
   transform: rotate(-15deg);
   pointer-events: none;
}

/* ===== FOOTER ===== */
footer {
   background: var(--text-dark);
   color: var(--white);
   padding: 60px 20px 20px;
   margin-top: 80px;
}

.footer-content {
   max-width: 1200px;
   margin: 0 auto;
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
   gap: 40px;
   margin-bottom: 40px;
}

.footer-section h3 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.2rem;
   font-weight: 700;
   margin-bottom: 20px;
}

.footer-section ul {
   list-style: none;
   padding: 0;
}

.footer-section li {
   margin-bottom: 12px;
}

.footer-section a {
   color: rgba(255, 255, 255, 0.8);
   text-decoration: none;
   transition: var(--transition);
   display: flex;
   align-items: center;
   gap: 8px;
}

.footer-section a:hover {
   color: var(--white);
   gap: 12px;
}

.social-links {
   display: flex;
   gap: 15px;
   margin-top: 15px;
}

.social-link {
   width: 40px;
   height: 40px;
   background: rgba(255, 255, 255, 0.1);
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
   color: var(--white);
   text-decoration: none;
   transition: var(--transition);
   border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
   background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
   border-color: transparent;
   transform: translateY(-3px);
}

.footer-bottom {
   border-top: 1px solid rgba(255, 255, 255, 0.1);
   padding-top: 30px;
   text-align: center;
   color: rgba(255, 255, 255, 0.7);
}

/* ===== PRINT STYLES ===== */
@media print {
   body {
      background: var(--white);
   }

   .navbar,
   footer,
   .project-filters {
      display: none !important;
   }

   section {
      page-break-inside: avoid;
      padding: 30px 0;
   }

   .section-title {
      page-break-after: avoid;
   }

   .project-card,
   .timeline-item,
   .award-card,
   .academic-card {
      page-break-inside: avoid;
   }

   a {
      color: var(--primary-color);
   }

   .btn-primary-custom,
   .btn-secondary-custom,
   .detail-link-btn {
      display: none !important;
   }
}

/* ===== ANIMATIONS ===== */
[data-aos] {
   opacity: 0;
}

[data-aos].aos-animate {
   opacity: 1;
}