/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-y: scroll;
}

/* Body and layout */
body {
  font-family: var(--font-body);
  background-color: var(--light-gray);
  min-height: 100vh;
  position: relative;
  padding-bottom: 60px;
  padding-top: 135px;
}

/* Header styles */
header > .container {
  width: 100%;
  max-width: none;
  padding: 0;
}

header {
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--blue);
  min-width: 350px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Header content layout */
.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
  padding: 0 2rem;
  margin: 0 auto;
  max-width: 1200px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-icons {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  min-width: 125px;
}

.social-icon {
  color: var(--white);
  font-size: 1.2rem;
  transition: transform 0.2s, color 0.2s;
}

.social-icon:hover {
  color: var(--orange);
  transform: scale(1.1);
}

/* Logo styles */
.logo {
  height: 50px;
  width: auto;
}

/* Hamburger menu toggle (mobile) */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Main navigation styles */
.main-nav {
  background-color: var(--teal);
  width: 100%;
}

.main-nav > .container {
  width: 100%;
  max-width: none;
  padding: 0 2rem;
}

.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-start;
  align-items: stretch;
}

.main-nav li {
  display: flex;
}

.main-nav a {
  color: var(--white);
  font-family: var(--subtitle-font);
  font-weight: 600;
  padding: 1rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  text-align: center;
  margin-right: 0;
  min-width: 120px;
  box-sizing: border-box;
  transition: color 0.3s ease;
  flex: 1;
}

.main-nav a.current,
.main-nav a.current:visited {
  color: var(--orange);
}

.main-nav a:hover {
  color: var(--orange);
}

/* Hero section */
.hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}

.hero.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero background logo overlay */
.hero::before {
  content: "";
  background: url('../img/logo.png') no-repeat center center;
  background-size: contain;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.5;
  z-index: -1;
  max-width: 600px;
  max-height: 400px;
  margin: auto;
}

/* Hero content container */
.hero .container {
  background-color: rgba(255, 255, 255, 0.8);
  padding: 2rem; 
  border-radius: 8px;
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 1600px;
  margin: 0 auto;
}

/* Hero title */
.hero h1 {
  font-family: var(--title-font);
  color: var(--title-color);
  font-size: var(--title-size);
  text-align: var(--title-align);
  margin: var(--title-margin);
}

/* Hero subtitle */
.hero h2 {
  font-family: var(--subtitle-font);
  color: var(--subtitle-color);
  font-size: var(--subtitle-size);
  text-align: var(--subtitle-align);
  margin: var(--subtitle-margin);
}

.hero h3 {
  font-family: var(--subtitle-font);
  color: var(--subtitle-color);
  font-size: var(--subtitle2-size);
  text-align: var(--subtitle-align);
  margin: var(--subtitle2-margin);
}

/* Hero paragraph */
.hero p {
  font-family: var(--body-font);
  color: var(--body-color);
  font-size: var(--body-size);
  text-align: var(--body-align);
  margin: var(--body-margin);
}

/* Hero image */
.hero img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-top: 1rem;
}

/* Hero button */
.hero .btn {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.75rem 2rem;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-family: var(--subtitle-font);
  font-size: var(--subtitle2-size);
  font-weight: 600;
  text-align: var(--subtitle-align);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.hero .btn:hover {
  background: var(--blue);
  color: var(--white);
}

.hero .btn:active {
  transform: scale(0.95);
  opacity: 0.8;
}

/* Footer styles */
footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--blue);
  min-width: 350px;
}

.footer-content {
  max-width: none;
  margin: 0.5rem 1rem 0.5rem 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  text-align: center;
}

.footer-content p,
.footer-link {
  font-family: var(--body-font);
  font-size: var(--body-size-small);
  color: var(--white);
  margin: 0;
  text-decoration: none;
}

.footer-link:hover {
  text-decoration: underline;
  color: var(--orange);
}

/* Language Toggle Button */
#lang-toggle {
  background: var(--white);
  color: var(--blue);
  border: 2px solid var(--blue);
  padding: 0.4rem 1rem;
  font-family: var(--subtitle-font);
  font-weight: 600;
  cursor: pointer;
  border-radius: 4px;
}

#lang-toggle:hover {
  background-color: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}

/* Section-specific styles */
section {
  padding: 2rem 0;
  margin-bottom: 2rem;
}

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

/* About Section Styles */
.about-container {
    max-width: 1200px;
    margin: 0 auto;
}

.about-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.profile-photo {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--blue);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-text h1 {
    font-family: var(--title-font);
    font-size: var(--title-size);
    color: var(--title-color);
    margin: var(--title-margin);
}

.about-text h2 {
    font-family: var(--subtitle-font);
    font-size: var(--subtitle-size);
    color: var(--subtitle-color);
    margin: var(--subtitle-margin);
}

.about-text p {
    font-family: var(--body-font);
    font-size: var(--body-size);
    color: var(--body-color);
    line-height: 1.6;
    margin: var(--body-margin);
}

.about-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  justify-content: center;
  align-items: center;     
  flex: 1;                
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--light-gray);
  border-radius: 20px;
  font-family: var(--body-font);
  font-weight: 600;
  color: var(--body-color);
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-item:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.stat-item i {
    color: var(--blue);
}

/* Skills Section Styles */
.skills-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  gap: 1rem;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  background: transparent;
  border: 2px solid var(--blue);
  border-radius: 25px;
  color: var(--blue);
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--subtitle-font);
  font-weight: 600;
  font-size: var(--body-size);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--blue);
  color: var(--white);
}

.skill-tab {
  display: none;
}

.skill-tab.active {
  display: block;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.skill-item {
  background: var(--white);
  padding: 1rem 1.5rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px; /* Optional: ensures enough height for vertical centering */
}

.skill-item:hover {
  transform: translateY(-5px);
}

.skill-item span {
  font-family: var(--body-font);
  font-weight: 600;
  color: var(--blue);
  font-size: var(--body-size);
}

/* Projects Section Styles */
.project-title-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
  padding-left: 2rem;
}

.project-title-section h3 {
  padding-left: 0;
  margin-bottom: 0;
}

.project-preview-image {
  width: 160px;
  height: 90px;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  margin: 0.5rem 2rem 0.5rem auto;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  background: var(--light-gray);
  color: var(--blue);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-family: var(--body-font);
  font-weight: 600;
  transition: all 0.3s ease;
}

.accordion-item.active .tech-tag {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.accordion-item:hover .project-preview-image {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Project Actions Styles */
.project-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--blue);
  color: var(--white);
  text-decoration: none;
  border-radius: 8px;
  font-family: var(--subtitle-font);
  font-weight: 600;
  font-size: var(--body-size);
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.action-btn:hover {
  background: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.action-btn i {
  font-size: 1.1rem;
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: transparent;
    border: 2px solid var(--blue);
    border-radius: 25px;
    color: var(--blue);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--subtitle-font);
    font-weight: 600;
    font-size: var(--body-size);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--blue);
    color: var(--white);
}

/* Timeline styles for experience section */
.experience-timeline {
    position: relative;
    padding-left: 2rem;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--blue);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 2rem;
    width: 15px;
    height: 15px;
    background: var(--blue);
    border-radius: 50%;
    border: 3px solid var(--white);
}

.timeline-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--teal);
    font-family: var(--body-font);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: var(--body-size-small);
}

.timeline-header h3 {
    font-family: var(--subtitle-font);
    color: var(--blue);
    font-size: var(--subtitle2-size);
    margin-bottom: 0.5rem;
}

.timeline-header h4 {
    font-family: var(--body-font);
    color: var(--gray);
    margin-bottom: 0.5rem;
    font-size: var(--body-size);
}

.location {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--gray);
    font-family: var(--body-font);
    font-size: var(--body-size-small);
}

.timeline-achievements {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.timeline-achievements li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-family: var(--body-font);
    color: var(--body-color);
    font-size: var(--body-size-small);
    line-height: 1.6;
    text-align: justify;
}

.timeline-achievements li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--orange);
    font-weight: bold;
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.skill-chip {
    background: var(--light-gray);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: var(--body-size-small);
    color: var(--blue);
    font-family: var(--body-font);
    font-weight: 600;
}

/* Education Grid Styles */
.education-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.education-card {
  flex: 1 1 100%;
  width: 100%;
  max-width: 100%;
}

.education-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem 2.5rem 1.5rem 2.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}

.education-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.education-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.education-icon {
    background: var(--blue);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.education-info {
    flex: 1;
    text-align: center;
}

.education-info h3 {
    font-family: var(--subtitle-font);
    color: var(--blue);
    margin-bottom: 0.5rem;
    font-size: clamp(1.3rem, 2.7vw, 1.5rem);
    font-weight: 600;
    line-height: 1.3;
}

.education-info h4 {
    font-family: var(--body-font);
    color: var(--gray);
    margin-bottom: 0.5rem;
    font-size: var(--body-size);
    font-weight: 400;
    line-height: 1.4;
}

.date {
    display: block;
    color: var(--teal);
    font-family: var(--body-font);
    font-weight: 600;
    margin-bottom: 0.3rem;
    font-size: var(--body-size-small);
}

.education-details h5 {
    font-family: var(--subtitle-font);
    color: var(--blue);
    margin-bottom: 1rem;
    margin-top: 1.8rem;
    font-size: var(--body-size);
    font-weight: 600;
    text-align: left;
}

.courses {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    margin-bottom: 1.2rem;
}

.course-tag {
    background: transparent;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    border: 1.5px solid var(--teal);
    font-size: var(--body-size-small);
    color: var(--teal);
    font-family: var(--body-font);
    font-weight: 500;
    transition: all 0.2s ease;
}

.course-tag:hover {
    background: var(--teal);
    color: var(--white);
}

.achievements {
    list-style: none;
    padding: 0;
    text-align: left;
}

.achievements li {
    padding: 0.5rem 0;
    padding-left: 1.8rem;
    position: relative;
    font-family: var(--body-font);
    color: var(--body-color);
    font-size: var(--body-size-small);
    line-height: 1.6;
}

.achievements li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.9rem;
    width: 6px;
    height: 6px;
    background: var(--teal);
    border-radius: 50%;
}

/* =============================================
   GIT-STYLE TIMELINE
   ============================================= */

.git-timeline {
    position: relative;
    padding: 2rem 0;
    padding-left: 100px;
}

/* Main trunk line */
.git-trunk {
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--blue);
    border-radius: 3px;
}

/* Each timeline entry */
.git-entry {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 0;
    padding: 0.4rem 0;
}

/* Node container */
.git-node {
    position: absolute;
    left: -120px;
    top: 0;
    width: 140px;
    height: 100%;
}

/* Branch dots - positioned on the trunk by default */
.git-dot {
    position: absolute;
    top: 50%;
    width: 15px;
    height: 15px;
    background: var(--blue);
    border-radius: 50%;
    z-index: 3;
    transform: translate(-50%, -50%);
}

/* Dot positions based on branch level */
.git-entry[data-branch="0"] .git-dot { left: 0; }
.git-entry[data-branch="1"] .git-dot { left: 35px; }
.git-entry[data-branch="2"] .git-dot { left: 70px; }
.git-entry[data-branch="3"] .git-dot { left: 105px; }

.git-dot-subtle {
    background: var(--gray);
    width: 15px;
    height: 15px;
}

.git-dot-marker {
    background: var(--orange);
    width: 15px;
    height: 15px;
}

/* Junction dots (branch points with circle around) */
.git-junction-dot {
    position: absolute;
    top: 50%;
    width: 15px;
    height: 15px;
    background: radial-gradient(circle, var(--teal) 0%, var(--teal) 50%, var(--white) 50%, var(--white) 100%);
    border: 2px solid var(--teal);
    border-radius: 50%;
    z-index: 3;
    transform: translate(-50%, -50%);
}

.git-junction {
    min-height: 10px;
    padding: 0.2rem 0;
}

/* Vertical branch lines - extend full height of entry */
.git-branch-vertical {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 3px;
    z-index: 1;
}

/* Branch positions and colors */
.git-branch-vertical[data-level="1"] { 
    left: 35px; 
    background: var(--teal);
    transform: translateX(-50%);
}
.git-branch-vertical[data-level="2"] { 
    left: 70px; 
    background: var(--gray);
    transform: translateX(-50%);
}
.git-branch-vertical[data-level="3"] { 
    left: 105px; 
    background: var(--gray);
    transform: translateX(-50%);
}

/* Curved branch connectors */
.git-branch-open {
    position: absolute;
    z-index: 1;
    border: 3px solid;
    border-top: none;
    border-right: none;
    background: transparent;
}

.git-branch-close {
    position: absolute;
    z-index: 1;
    border: 3px solid;
    border-bottom: none;
    border-right: none;
    background: transparent;
}

/* Branch open from trunk (level 0) to level 1 */
.git-branch-open[data-from="0"][data-to="1"] {
    left: 0;
    top: calc(0.8rem + 3px);
    width: 35px;
    height: 25px;
    border-color: var(--teal);
    border-bottom-left-radius: 12px;
}

/* Branch open from level 1 to level 2 */
.git-branch-open[data-from="1"][data-to="2"] {
    left: 35px;
    top: calc(0.8rem + 3px);
    width: 35px;
    height: 25px;
    border-color: var(--gray);
    border-bottom-left-radius: 12px;
}

/* Branch open from level 2 to level 3 */
.git-branch-open[data-from="2"][data-to="3"] {
    left: 70px;
    top: calc(0.8rem + 3px);
    width: 35px;
    height: 25px;
    border-color: var(--gray);
    border-bottom-left-radius: 12px;
}

/* Branch open from trunk to level 2 directly */
.git-branch-open[data-from="0"][data-to="2"] {
    left: 0;
    top: calc(0.8rem + 3px);
    width: 70px;
    height: 25px;
    border-color: var(--gray);
    border-bottom-left-radius: 12px;
}

/* Branch open from trunk to level 3 directly */
.git-branch-open[data-from="0"][data-to="3"] {
    left: 0;
    top: calc(0.8rem + 3px);
    width: 105px;
    height: 25px;
    border-color: var(--gray);
    border-bottom-left-radius: 12px;
}

/* Branch close from level 1 to trunk */
.git-branch-close[data-from="1"][data-to="0"] {
    left: 0;
    top: calc(0.8rem - 25px);
    width: 35px;
    height: 25px;
    border-color: var(--teal);
    border-top-left-radius: 12px;
}

/* Branch close from level 2 to level 1 */
.git-branch-close[data-from="2"][data-to="1"] {
    left: 35px;
    top: calc(0.8rem - 25px);
    width: 35px;
    height: 25px;
    border-color: var(--gray);
    border-top-left-radius: 12px;
}

/* Branch close from level 2 to trunk */
.git-branch-close[data-from="2"][data-to="0"] {
    left: 0;
    top: calc(0.8rem - 25px);
    width: 70px;
    height: 25px;
    border-color: var(--gray);
    border-top-left-radius: 12px;
}

/* Branch close from level 3 to trunk */
.git-branch-close[data-from="3"][data-to="0"] {
    left: 0;
    top: calc(0.8rem - 25px);
    width: 105px;
    height: 25px;
    border-color: var(--gray);
    border-top-left-radius: 12px;
}

/* Card positioning - offset to avoid branch lines */
.git-card {
    background: var(--white);
    border-radius: 10px;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    flex: 1;
    width: 100%;
    transition: box-shadow 0.2s ease;
    margin-left: 10px;
}

.git-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

/* Primary card (relevant experience) */
.git-card-primary {
    border-left: 4px solid var(--blue);
}

.git-card-primary .git-card-title {
    color: var(--blue);
}

/* Subtle card (non-relevant experience) */
.git-card-subtle {
    opacity: 0.75;
    border-left: 3px solid var(--gray);
    padding: 0.8rem 1.2rem;
}

.git-card-subtle .git-card-title {
    color: var(--gray);
}

/* Marker card (education milestones, awards) */
.git-card-marker {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, rgba(212, 160, 23, 0.1) 0%, rgba(255, 255, 255, 1) 100%);
    border: 1px solid var(--orange);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    max-width: 800px;
    font-family: var(--body-font);
    font-size: var(--body-size-small);
    color: var(--black);
    font-weight: 500;
}

.git-marker-icon {
    color: var(--orange);
    font-size: 1rem;
}

.git-card-marker .git-date {
    margin-left: auto;
    color: var(--gray);
    font-size: 0.85rem;
}

/* Date styling */
.git-date {
    display: block;
    color: var(--teal);
    font-family: var(--body-font);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Card structure */
.git-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    font-family: var(--body-font);
    font-size: var(--body-size-small);
    color: var(--gray);
}

.git-card-date,
.git-card-location {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.git-card-date span,
.git-card-location span {
    display: inline;
    color: var(--gray);
}

.git-card-date i {
    color: var(--teal);
}

.git-card-location i {
    color: var(--orange);
}

.git-card-divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.git-card-content {
    text-align: center;
}

.git-card-title {
    font-family: var(--subtitle-font);
    font-size: var(--subtitle2-size);
    font-weight: 600;
    color: var(--title-color);
    margin-bottom: 0.1rem;
}

.git-card-subtitle {
    font-family: var(--body-font);
    font-size: var(--body-size-small);
    font-weight: 400;
    color: var(--gray);
    margin: 0 0 1rem 0;
}

.git-card-content-divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
    margin: 1rem 0;
}

.git-card-description {
    list-style: none;
    text-align: left;
    margin: 1rem 0;
    padding: 0;
    font-family: var(--body-font);
    font-size: var(--body-size-small);
    color: var(--black);
}

.git-card-description li {
    padding: 0.3rem 0;
    padding-left: 1.2rem;
    position: relative;
}

.git-card-description li:before {
    content: "▪";
    position: absolute;
    left: 0;
    color: var(--teal);
    font-size: 1.2rem;
}

.git-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

.git-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.8rem;
    background: rgba(74, 92, 148, 0.1);
    border: 1px solid var(--teal);
    border-radius: 15px;
    font-family: var(--body-font);
    font-size: 0.85rem;
    color: var(--teal);
    font-weight: 500;
}

.git-tag i {
    font-size: 0.9rem;
}

/* Entry without card (just branch continuation) */
.git-entry[data-type="branch-only"] {
    padding: 0;
    min-height: 30px;
}

.git-entry[data-type="branch-only"] .git-node {
    height: 30px;
}

/* Involvement Tabs Styles */
.involvement-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.involvement-tab {
    display: none;
}

.involvement-tab.active {
    display: block;
}

.involvement-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.involvement-card {
  flex: 1 1 350px;
  min-width: 310px;
  max-width: 390px;
}

.involvement-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.involvement-card:hover {
    transform: translateY(-5px);
}

.involvement-card-header {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 0.5rem 1rem;
    justify-items: center;
    margin-bottom: 1.5rem;
    width: 100%;
    min-height: 100px;
}

.involvement-icon {
    background: var(--blue);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    grid-column: 1;
    grid-row: 1 / 3;
    align-self: center;
}

.involvement-card-header h3 {
    font-family: var(--subtitle-font);
    color: var(--blue);
    margin: 0;
    font-size: var(--subtitle2-size);
    grid-column: 2;
    grid-row: 1;
    text-align: center;
    align-self: end;
}

.involvement-card-header .date {
    color: var(--teal);
    font-family: var(--body-font);
    font-weight: 600;
    margin: 0;
    font-size: var(--body-size-small);
    grid-column: 2;
    grid-row: 2;
    text-align: center;
    align-self: start;
}

.involvement-info .achievement {
    background: var(--light-gray);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: var(--body-size-small);
    color: var(--orange);
    font-family: var(--body-font);
    font-weight: 600;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.involvement-info p {
    font-family: var(--body-font);
    color: var(--body-color);
    font-size: var(--body-size-small);
    line-height: 1.6;
}

/* Interests Styles */
.interests-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
}

.interest-card {
  flex: 1 1 420px;
  min-width: 380px;
  max-width: 460px;
}

.interest-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.interest-card:hover {
    transform: translateY(-5px);
}

.interest-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.interest-icon {
    background: var(--blue);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.interest-card-header h3 {
    font-family: var(--subtitle-font);
    color: var(--blue);
    margin: 0;
    font-size: var(--subtitle2-size);
    text-align: center;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.interest-content h3 {
    font-family: var(--subtitle-font);
    color: var(--blue);
    margin-bottom: 0.8rem;
    font-size: var(--subtitle2-size);
}

.interest-content p {
    font-family: var(--body-font);
    color: var(--body-color);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: var(--body-size-small);
}

.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

.tag {
    background: var(--light-gray);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: var(--body-size-small);
    color: var(--orange);
    font-family: var(--body-font);
    font-weight: 600;
}

.fun-facts {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.fun-facts h3 {
    font-family: var(--title-font);
    color: var(--blue);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: var(--title2-size);
}

.facts-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.fact-item {
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 320px;
}

.fact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.fact-item:hover {
    transform: scale(1.05);
}

.fact-item i {
    font-size: 1.5rem;
    color: var(--teal);
}

.fact-item span {
    font-family: var(--body-font);
    font-weight: 600;
    color: var(--blue);
    font-size: var(--body-size-small);
}

/* Contact section styles */
.contact-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
}

.contact-item {
  flex: 1 1 280px;
  min-width: 240px;
  max-width: 320px;
}

.contact-item {
  background: var(--white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.contact-item:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.contact-item i {
  font-size: 2rem;
  color: var(--orange);
  padding-bottom: 1.5rem;
  transition: color 0.3s, transform 0.3s;
}

.contact-item:hover i {
  color: var(--blue);
  transform: scale(1.2);
}

.contact-item h3 {
  color: var(--blue);
  margin-bottom: 0.5rem;
  font-family: var(--subtitle-font);
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-top: 2rem;
}

.contact-form h3 {
    color: var(--blue);
    margin-bottom: 1.5rem;
    font-family: var(--subtitle-font);
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--light-gray);
    border-radius: 4px;
    font-family: var(--body-font);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

/* Responsive: Mobile styles */
@media (max-width: 992px) {
    body {
        padding-top: 110px;
    }
    
    .header-content,
    .main-nav > .container {
        padding: 0 1rem;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
    }

    .main-nav.active {
        display: block;
        padding: 1rem 0;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav li {
        text-align: center;
        padding: 0;
    }

    .main-nav a {
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-content {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
    }

    .about-header {
        flex-direction: column;
        text-align: center;
    }
    
    .about-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .skills-tabs,
    .projects-filter,
    .involvement-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .projects-grid,
    .education-grid,
    .interests-grid {
      width: 100%;
      justify-content: center;
    }

    .education-card,
    .involvement-card,
    .interest-card,
    .fact-item,
    .contact-item {
      flex: 1 1 100%;
      max-width: 100%;
    }
    
    .timeline-item {
        margin-left: 1rem;
        padding: 1.5rem;
    }
    
    .experience-timeline {
        padding-left: 1rem;
    }
    
    .education-header {
        flex-direction: column;
        text-align: center;
    }
    
    .facts-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.6s ease forwards;
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}