/* General Styles */
:root {
  --primary-color: #149ddd;
  --primary-dark: #0d8bf2;
  --secondary-color: #173b6c;
  --dark-color: #040b14;
  --light-color: #f8f9fa;
  --text-color: #52565e;
  --text-light: #a8a9b4;
  --white: #ffffff;
  --bg-color: #ffffff;
  --card-bg: #ffffff;
  --border-color: #dddddd;
  --box-shadow: 0 0 20px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

/* Dark Theme Variables */
body.dark-theme {
  --bg-color: #0b111e;
  --card-bg: #121a2e;
  --light-color: #1a233a;
  --text-color: #c4ccd8;
  --text-light: #8b9bb4;
  --secondary-color: #ffffff;
  --white: #ffffff;
  --border-color: #263556;
  --box-shadow: 0 0 25px rgba(0, 0, 0, 0.3);
}

/* Text Selection Styling */
::selection {
  background: var(--primary-color);
  color: #ffffff;
}
::-moz-selection {
  background: var(--primary-color);
  color: #ffffff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Open Sans", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  transition: var(--transition);
}

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

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  color: var(--secondary-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: 32px;
  color: var(--secondary-color);
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 20px;
  position: relative;
  text-align: center;
}

.section-title::after {
  content: '';
  position: absolute;
  display: block;
  width: 80px;
  height: 3px;
  background: var(--primary-color);
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.section-subtitle {
  font-size: 20px;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 4px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(20, 157, 221, 0.8), 0 5px 15px rgba(20, 157, 221, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(20, 157, 221, 0.8), 0 5px 15px rgba(20, 157, 221, 0.4);
}

/* Mobile Menu Toggle */
.mobile-nav-toggle {
  position: fixed;
  right: 15px;
  top: 15px;
  z-index: 9998;
  border: 0;
  background: var(--primary-color);
  color: var(--white);
  font-size: 24px;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  display: none;
}

.mobile-nav-toggle:hover {
  background: var(--primary-dark);
}

/* Header Styles */
#header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 300px;
  background: var(--dark-color);
  padding: 30px;
  overflow-y: auto;
  transition: var(--transition);
  z-index: 999;
}

.profile {
  text-align: center;
  margin-bottom: 30px;
}

.profile img.logo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 8px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
  object-fit: cover;
  transition: var(--transition);
}

.profile img.logo:hover {
  transform: scale(1.05);
}

.profile h1 {
  font-size: 24px;
  color: #ffffff;
  margin-bottom: 10px;
}

/* Theme Toggle Button Style */
.theme-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  margin-top: 15px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: rotate(30deg) scale(1.1);
  box-shadow: 0 4px 12px rgba(20, 157, 221, 0.4);
}

body.dark-theme .theme-toggle i {
  color: #ffc107; /* glowing sun color in dark mode */
}


.social-links {
  margin-top: 15px;
  display: flex;
  justify-content: center;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  margin: 0 5px;
  transition: var(--transition);
}

.social-links a i {
  color: #ffffff !important;
  font-size: 16px !important;
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.social-links a:hover {
  background: var(--primary-color);
  color: #ffffff;
  transform: translateY(-3px);
}

.social-links a:hover i {
  color: #ffffff !important;
}

.nav-menu {
  padding-top: 30px;
}

.nav-menu ul {
  list-style: none;
}

.nav-menu li {
  margin-bottom: 15px;
}

.nav-menu a {
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.7);
  padding: 12px 15px;
  border-radius: 4px;
  font-size: 15px;
  transition: var(--transition);
}

.nav-menu a i {
  margin-right: 10px;
  font-size: 18px;
}

.nav-menu a:hover, .nav-menu .active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.nav-menu a:hover i, .nav-menu .active i {
  color: var(--primary-color);
}

/* Main Content */
main {
  margin-left: 300px;
}

/* Hero Section */
#hero {
  width: 100%;
  height: 100vh;
  background: url('./image/banner2.jpg') center center no-repeat;
  background-size: cover;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

#hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 11, 20, 0.75); /* slightly darker overlay to pop the text */
}

.hero-container {
  position: relative;
  z-index: 2;
  color: #ffffff;
  text-align: center;
  padding: 0 15px;
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #ffffff;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  animation: fadeInDown 1s ease;
}

.hero-subtitle {
  font-size: 24px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease;
}

.typed {
  color: var(--primary-color);
  font-weight: bold;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 30px;
  animation: fadeIn 1.5s ease;
}

/* About Section */
.bio-content {
  margin-bottom: 40px;
}

.highlight-box {
  background: var(--light-color);
  border-left: 4px solid var(--primary-color);
  padding: 20px;
  margin: 20px 0;
  border-radius: 0 4px 4px 0;
  transition: var(--transition);
}

.highlight-box:hover {
  transform: translateX(5px);
}

.highlight-box i {
  color: var(--primary-color);
  margin-right: 10px;
}

.action-links {
  display: flex;
  gap: 15px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.action-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 4px;
  transition: var(--transition);
}

.action-link i {
  margin-right: 8px;
}

.action-link:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(20, 157, 221, 0.3);
}

.hobbies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.hobby-item {
  background: var(--light-color);
  padding: 20px;
  border-radius: 4px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.hobby-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow);
}

.hobby-item i {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 10px;
}

/* Resume Section */
.timeline {
  position: relative;
  padding-left: 30px;
  margin-top: 20px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  height: 100%;
  width: 2px;
  background: var(--primary-color);
}

.timeline-item {
  position: relative;
  padding-bottom: 30px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--primary-color);
}

.timeline-item h4 {
  font-size: 18px;
  color: var(--secondary-color);
}

.timeline-item h5 {
  font-size: 16px;
  color: var(--primary-color);
  margin: 5px 0;
}

.timeline-item p em {
  color: var(--text-light);
  font-style: normal;
}

.certifications-list {
  list-style: none;
  margin-top: 20px;
}

.certifications-list li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.certifications-list i {
  color: var(--primary-color);
  margin-right: 10px;
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.skill-category {
  background: var(--light-color);
  padding: 20px;
  border-radius: 4px;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow);
}

.skill-category h4 {
  color: var(--secondary-color);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.skill-category ul {
  list-style: none;
}

.skill-category li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.skill-category i {
  width: 24px;
  color: var(--primary-color);
  margin-right: 10px;
  text-align: center;
}

/* Portfolio Section */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.portfolio-img-container {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.portfolio-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(20, 157, 221, 0.9);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  justify-content: center;
  align-items: center;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-item:hover .portfolio-img-container img {
  transform: scale(1.1);
}

.overlay-content {
  text-align: center;
  color: var(--white);
  padding: 20px;
  transform: translateY(20px);
  transition: var(--transition);
}

.portfolio-item:hover .overlay-content {
  transform: translateY(0);
}

.overlay-content h3 {
  margin-bottom: 10px;
}

.overlay-content p {
  margin-bottom: 15px;
}

.btn-view {
  display: inline-block;
  padding: 8px 20px;
  background: var(--white);
  color: var(--primary-color);
  border: 1px solid var(--white);
  border-radius: 4px;
  font-weight: 600;
  transition: var(--transition);
}

.btn-view:hover {
  background: var(--dark-color);
  color: var(--white);
  border-color: var(--dark-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

.btn-outline {
  display: inline-block;
  padding: 8px 20px;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--white);
  border-radius: 4px;
  font-weight: 600;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary-color);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.portfolio-item h3 {
  padding: 15px;
  background: var(--card-bg);
  margin: 0;
  font-size: 18px;
  color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 8px 8px;
}

/* ================================
   CERTIFICATES SECTION
================================ */
.section-intro {
  font-size: 16px;
  color: var(--text-color);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 20px;
}

.certificate-card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid var(--border-color);
}

.certificate-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(20, 157, 221, 0.18);
  border-color: var(--primary-color);
}

.certificate-img-container {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #f0f4f8;
}

.certificate-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.certificate-card:hover .certificate-img-container img {
  transform: scale(1.05);
}

.certificate-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 157, 221, 0.82);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.certificate-card:hover .certificate-hover-overlay {
  opacity: 1;
}

.certificate-overlay-icon {
  color: #fff;
  font-size: 36px;
  animation: pulse-scale 1.2s ease-in-out infinite alternate;
}

@keyframes pulse-scale {
  from { transform: scale(1); }
  to   { transform: scale(1.15); }
}

.certificate-details {
  padding: 18px 20px 20px;
}

.certificate-details h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 4px;
}

.certificate-details .issuer {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.certificate-details .cert-desc {
  font-size: 13px;
  color: var(--text-color);
  line-height: 1.6;
}

/* ================================
   LIGHTBOX MODAL
================================ */
.lightbox-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(4, 11, 20, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  animation: lightbox-fade-in 0.25s ease;
}

.lightbox-modal.active {
  display: flex;
}

@keyframes lightbox-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox-content-container {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: lightbox-scale-in 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes lightbox-scale-in {
  from { transform: scale(0.88); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  object-fit: contain;
}

.lightbox-caption {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.3px;
}

.lightbox-close {
  position: fixed;
  top: 22px;
  right: 28px;
  font-size: 36px;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
  line-height: 1;
  z-index: 10001;
  user-select: none;
}

.lightbox-close:hover {
  color: var(--primary-color);
  transform: scale(1.15) rotate(90deg);
}

/* ================================
   ENHANCED TIMELINE STYLES
================================ */
.timeline-item {
  background: var(--light-color);
  border-radius: 8px;
  padding: 18px 20px 18px 20px;
  margin-bottom: 18px;
  border-left: 3px solid var(--primary-color);
  box-shadow: var(--box-shadow);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.timeline-item:hover {
  box-shadow: 0 6px 22px rgba(20, 157, 221, 0.15);
  transform: translateX(4px);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 20px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--primary-color);
  box-shadow: 0 0 0 4px rgba(20, 157, 221, 0.15);
}

/* Contact Section */
.contact-container {

  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 30px;
}

.contact-info {
  background: var(--light-color);
  padding: 30px;
  border-radius: 8px;
  height: 100%;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.contact-info:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow);
}

.contact-info h3 {
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.contact-info ul {
  list-style: none;
}

.contact-info li {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
}

.contact-info i {
  width: 24px;
  color: var(--primary-color);
  margin-right: 15px;
  text-align: center;
  font-size: 18px;
}

.social-media {
  margin-top: 30px;
  display: flex;
  gap: 10px;
}

.social-media a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #ffffff;
  transition: var(--transition);
}

.social-media a i {
  color: #ffffff !important;
  font-size: 16px !important;
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.social-media a:hover {
  background: var(--secondary-color);
  color: var(--bg-color);
  transform: translateY(-3px);
}

.social-media a:hover i {
  color: var(--bg-color) !important;
}

.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-color);
  border-radius: 4px;
  font-size: 16px;
  transition: var(--transition);
  font-family: "Open Sans", sans-serif;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(20, 157, 221, 0.1);
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  background: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 12px 30px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

.submit-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(20, 157, 221, 0.8), 0 5px 15px rgba(20, 157, 221, 0.4);
}

.submit-btn i {
  margin-left: 8px;
}

/* Map Section */
.map-container {
  margin-top: 30px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.map-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Footer */
#main-footer {
  background: var(--dark-color);
  color: white;
  padding: 3rem 0 1.5rem;
  margin-left: 300px;
  width: calc(100% - 300px);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  transition: all 0.3s ease;
}

.footer-col a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

.footer-col i {
  margin-right: 0.5rem;
  width: 1.2rem;
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: white;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-color);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: var(--transition);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-5px);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

/* Responsive Styles */
@media (max-width: 1199px) {
  #header {
    width: 250px;
  }
  main {
    margin-left: 250px;
  }
  #main-footer {
    margin-left: 250px;
    width: calc(100% - 250px);
  }
}

@media (max-width: 991px) {
  #header {
    left: -300px;
  }
  #header.mobile-nav-active {
    left: 0;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  main {
    margin-left: 0;
  }
  #main-footer {
    margin-left: 0;
    width: 100%;
  }
  .section-title {
    font-size: 28px;
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 36px;
  }
  .hero-subtitle {
    font-size: 20px;
  }
  .section {
    padding: 60px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
}

@media (max-width: 575px) {
  .hero-title {
    font-size: 28px;
  }
  .hero-subtitle {
    font-size: 18px;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .contact-container {
    grid-template-columns: 1fr;
  }
  .mobile-nav-toggle {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }
}

/* ==========================================================================
   PREMIUM ADDITIONS: SCROLL REVEAL & PORTFOLIO INFOBAR
   ========================================================================== */

/* Custom Scroll Reveal Effect */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Upgraded Visible Portfolio Cards Bar */
.portfolio-info {
  padding: 20px 15px 18px 15px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 12px 12px;
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.portfolio-info h3 {
  margin: 0 0 6px 0;
  font-size: 17.5px;
  font-weight: 600;
  color: var(--secondary-color);
  border: none !important;
  padding: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  font-family: 'Poppins', sans-serif;
  line-height: 1.3;
}

.portfolio-subtitle {
  font-size: 13px;
  color: var(--text-light);
  margin: 0;
  line-height: 1.45;
  font-family: "Open Sans", sans-serif;
  font-weight: 400;
}

.portfolio-item {
  border-radius: 12px !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.portfolio-item:hover .portfolio-info {
  border-color: var(--primary-color);
  background: var(--light-color);
}

/* Stats section scaling animation */
.stat-item {
  transform: translateY(0);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
}

.stat-item:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--primary-color) !important;
  box-shadow: 0 15px 35px rgba(20, 157, 221, 0.15) !important;
}

/* Upgraded Resume Download Button */
.resume-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 35px;
  border-radius: 50px;
  background: var(--primary-color);
  color: var(--white);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(20, 157, 221, 0.3);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.resume-download-btn:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(20, 157, 221, 0.8), 0 5px 15px rgba(20, 157, 221, 0.4);
}