/********** Modern Portfolio CSS **********/
:root {
  /* Modern Color Palette */
  --primary: #6366F1;      /* Indigo - Professional & Trustworthy */
  --primary-dark: #4F46E5; /* Darker Indigo */
  --primary-light: #8B5CF6; /* Lighter Purple */
  --secondary: #1E293B;    /* Dark Blue-Gray */
  --accent: #06D6A0;       /* Emerald Green - For highlights */
  --accent-dark: #05B384;  /* Darker Emerald */
  --light: #F8FAFC;        /* Light Gray */
  --dark: #0F172A;         /* Deep Navy */
  --text-primary: #334155; /* Slate Gray */
  --text-secondary: #64748B; /* Lighter Text */
  --card-bg: #FFFFFF;      /* White Cards */
  --section-bg: #F1F5F9;   /* Light Section Background */
  --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --gradient-accent: linear-gradient(135deg, #06D6A0 0%, #0EA5E9 100%);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Heebo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* Spinner */
#spinner {
  opacity: 0;
  visibility: hidden;
  transition: opacity .5s ease-out, visibility 0s linear .5s;
  z-index: 99999;
  background: var(--gradient-primary);
}

#spinner.show {
  transition: opacity .5s ease-out, visibility 0s linear 0s;
  visibility: visible;
  opacity: 1;
}

.spinner-border {
  color: var(--light);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (max-width: 991.98px) {
  .sticky-lg-top.vh-100 {
    height: 100% !important;
  }
}

/* Typography */
.fw-semi-bold {
  font-weight: 600;
}

.fw-medium {
  font-weight: 500;
}

.title {
  position: relative;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--dark);
}

.title::before {
  position: absolute;
  content: "";
  width: 12px;
  height: 12px;
  bottom: -6px;
  left: 0;
  background: var(--gradient-primary);
  border-radius: 50%;
  z-index: 1;
}

.title::after {
  position: absolute;
  content: "";
  width: 60px;
  height: 3px;
  bottom: -2px;
  left: 20px;
  border-radius: 2px;
  background: var(--gradient-primary);
}

/* Buttons */
.btn {
  padding: 12px 30px;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-transform: none;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--secondary);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: var(--dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #FFFFFF;
}

.btn-scroll {
  background: var(--gradient-accent);
  color: #FFFFFF;
  font-weight: 600;
}

.btn-scroll:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #FFFFFF;
}

.btn-square {
  width: 45px;
  height: 45px;
  border-radius: var(--border-radius);
  background: var(--card-bg);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-sm-square {
  width: 35px;
  height: 35px;
}

.btn-lg-square {
  width: 55px;
  height: 55px;
}

.btn-square,
.btn-sm-square,
.btn-lg-square {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
}

.btn-square:hover,
.btn-sm-square:hover,
.btn-lg-square:hover {
  background: var(--primary);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Sidebar Profile */
.sticky-lg-top {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin: 20px 0;
}

.sticky-lg-top .d-flex {
  padding: 30px;
}

.sticky-lg-top img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.sticky-lg-top img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.sticky-lg-top h1 {
  color: var(--dark);
  font-size: 1.8rem;
  margin: 15px 0 10px;
}

.typed-text-output {
  font-size: 1.2rem;
  color: var(--primary);
  font-weight: 600;
}

/* Sections */
section {
  padding: 80px 0;
  position: relative;
}

section.border-bottom {
  border-bottom: 1px solid rgba(226, 232, 240, 0.8) !important;
}

.wow {
  visibility: hidden;
}

/* About Section */
.about-section {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  margin-bottom: 30px;
}

.about-section p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.row.mb-4 .col-sm-6 {
  padding: 12px 15px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.row.mb-4 .col-sm-6:last-child {
  border-bottom: none;
}

.fw-medium.text-primary {
  color: var(--primary) !important;
  font-weight: 600;
}

/* Stats Cards */
.d-flex.bg-secondary {
  background: var(--card-bg) !important;
  border-radius: var(--border-radius);
  padding: 25px !important;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border-left: 4px solid var(--primary);
}

.d-flex.bg-secondary:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.d-flex.bg-secondary h1 {
  color: var(--primary);
  font-size: 2.5rem;
}

.d-flex.bg-secondary p {
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.d-flex.bg-secondary h5 {
  color: var(--dark);
  font-size: 1.1rem;
}

/* Skills Section */
.skill {
  margin-bottom: 25px;
}

.skill p {
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.progress {
  height: 8px;
  background-color: #E2E8F0;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.progress-bar {
  border-radius: 10px;
  transition: width 1.5s ease-in-out;
}

.progress-bar.bg-primary {
  background: var(--gradient-primary) !important;
}

.progress-bar.bg-warning {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%) !important;
}

.progress-bar.bg-danger {
  background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%) !important;
}

.progress-bar.bg-success {
  background: var(--gradient-accent) !important;
}

/* Experience Section */
.border-start {
  border-left: 3px solid var(--primary) !important;
  padding-left: 30px !important;
}

.position-relative.mb-4 {
  background: var(--card-bg);
  padding: 25px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  margin-bottom: 25px !important;
}

.position-relative.mb-4:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.position-relative.mb-4 h5 {
  color: var(--dark);
  font-size: 1.3rem;
}

.position-relative.mb-4 p.mb-2 {
  color: var(--primary);
  font-weight: 600;
}

.position-relative.mb-4 p:last-child {
  color: var(--text-primary);
  margin-bottom: 0;
}

.bi-arrow-right {
  color: var(--primary) !important;
  background: var(--light);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

/* Services Section */
.service-item {
  padding: 40px 25px;
  text-align: center;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  height: 100%;
  border-top: 4px solid transparent;
}

.service-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-top: 4px solid var(--primary);
}

.service-item i {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light);
  color: var(--primary);
  transition: var(--transition);
  border-radius: 50%;
  margin: 0 auto 25px;
  font-size: 2rem;
}

.service-item:hover i {
  background: var(--gradient-primary);
  color: var(--light);
  transform: scale(1.1);
}

.service-item h5 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.service-item p {
  color: var(--text-primary);
  line-height: 1.6;
}

/* Portfolio Section */
#portfolio-flters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

#portfolio-flters .btn {
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transition);
}

#portfolio-flters .btn.active {
  background: var(--gradient-primary);
  color: #FFFFFF;
}

.portfolio-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.portfolio-item {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.portfolio-item h3 {
  padding: 20px 20px 10px;
  font-size: 1.3rem;
  color: var(--dark);
}

.portfolio-item p {
  padding: 0 20px 20px;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.position-relative.overflow-hidden {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.position-relative.overflow-hidden img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-item:hover .position-relative.overflow-hidden img {
  transform: scale(1.05);
}

.portfolio-btn {
  position: absolute;
  width: 0;
  height: 0;
  top: 50%;
  left: 50%;
  background: rgba(15, 23, 42, 0.85);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.portfolio-item:hover .portfolio-btn {
  opacity: 1;
  width: 80px;
  height: 80px;
  top: calc(50% - 40px);
  left: calc(50% - 40px);
}

.portfolio-btn a {
  color: white;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.portfolio-btn:hover {
  background: rgba(99, 102, 241, 0.9);
}

/* Footer */
.bg-secondary {
  background: var(--secondary) !important;
  color: var(--light);
}

.bg-secondary .btn-dark {
  background: rgba(255, 255, 255, 0.1);
  color: var(--light);
  border: none;
}

.bg-secondary .btn-dark:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.bg-secondary a.text-light {
  color: rgba(255, 255, 255, 0.8) !important;
  transition: var(--transition);
}

.bg-secondary a.text-light:hover {
  color: white !important;
}

.bg-secondary p {
  color: rgba(255, 255, 255, 0.8);
}

.bg-secondary p a {
  color: var(--accent);
}

.bg-secondary p a:hover {
  color: var(--accent-light);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  display: none;
  width: 50px;
  height: 50px;
  text-align: center;
  line-height: 46px;
  font-size: 24px;
  right: 30px;
  bottom: 30px;
  transition: var(--transition);
  z-index: 11;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.back-to-top {
  -webkit-animation: action 1s infinite alternate;
  animation: action 1s infinite alternate;
}

@-webkit-keyframes action {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-10px);
  }
}

@keyframes action {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-10px);
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 40px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.wow.fadeInUp {
  animation-name: fadeInUp;
  animation-duration: 0.8s;
  animation-fill-mode: both;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .title {
    font-size: 2rem;
  }
  
  .portfolio-container {
    grid-template-columns: 1fr;
  }
  
  .sticky-lg-top .d-flex {
    padding: 20px;
  }
  
  section {
    padding: 60px 0;
  }
  
  .about-section {
    padding: 25px;
  }
  
  #portfolio-flters .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 576px) {
  .title {
    font-size: 1.8rem;
  }
  
  .btn {
    padding: 10px 20px;
  }
  
  .service-item {
    padding: 30px 20px;
  }
  
  .position-relative.mb-4 {
    padding: 20px;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --light: #0F172A;
    --dark: #F8FAFC;
    --card-bg: #1E293B;
    --text-primary: #E2E8F0;
    --text-secondary: #94A3B8;
    --section-bg: #1E293B;
  }
}

/* Print styles */
@media print {
  .back-to-top,
  .btn-scroll,
  #portfolio-flters {
    display: none !important;
  }
  
  .sticky-lg-top {
    position: relative !important;
    height: auto !important;
  }
}