styles.css

/* ===== 1) GLOBAL ===== */
* {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  /* 5) Prevent horizontal gap or overflow */
  overflow-x: hidden;
}
/* 1) Fix anchor offset for the header (70px) */
html {
  scroll-padding-top: 70px;
  scroll-behavior: smooth; /* Enable smooth scrolling for all anchor links */
}
body {
  background-color: red;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #333;
  display: flex;
  flex-direction: column;
  transition: background-color 0.2s ease;
}
main {
  flex: 1;
  margin-top: 70px; /* offset for the header (desktop) */
}
/* ===== 2) SIDEBAR ===== */
#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 260px; /* Fixed width */
  background-color: #000;
  color: #fff;
  overflow: hidden;
  transition: transform 0.3s ease; /* Simple, clean transition */
  z-index: 3000; /* so it goes above the header when expanded */
}
#sidebar.expanded {
  transform: translateX(0);
}
#sidebar.collapsed {
  transform: translateX(-260px);
}
.sidebar-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1rem;
}
nav ul {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
}
nav li {
  margin: 0.5rem 0;
}
nav a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  display: block;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}
nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

/* Active menu item styles */
nav a.active {
  background-color: #0275d8;
  color: white;
  position: relative;
}

nav a.active::after {
  content: '';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: white;
}

.color-picker-section {
  margin-top: 1rem;
  border-top: 1px solid #444;
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}
/* ===== 3) HEADER (FIXED) ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: #555;
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  box-sizing: border-box;
  z-index: 2000; /* so the sidebar (3000) can overlay it */
}
.menu-btn {
  background: transparent;
  color: #fff;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  margin-right: 1rem;
  outline: none;
  transition: 
    transform 0.3s ease, /* so the button slides smoothly */
    background 0.2s ease;
}
.menu-btn:hover,
.menu-btn:active {
  background-color: #0275d8;
}
header h1 {
  margin: 0 auto;
  text-align: center;
  max-width: 90%;
  overflow-wrap: break-word;
}
/* SHIFT ONLY THE MENU BUTTON (NOT THE WHOLE HEADER) */
@media (min-width: 601px) {
  #sidebar.expanded ~ header .menu-btn {
    transform: translateX(260px);
  }
  #sidebar.collapsed ~ header .menu-btn {
    transform: translateX(0);
  }
}
/* MAIN & FOOTER SHIFT WHEN SIDEBAR EXPANDED (DESKTOP) */
@media (min-width: 601px) {
  #sidebar.expanded ~ main,
  #sidebar.expanded ~ footer {
    margin-left: 260px;
  }
  #sidebar.collapsed ~ main,
  #sidebar.collapsed ~ footer {
    margin-left: 0;
  }
}
/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  width: 100%;
  min-height: 50vh; /* default on desktop */
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  border-radius: 0;
  margin: 0;
  margin-top: 70px; /* below the header */
  background:
    linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)),
    url("./images/myphoto.jpg") center/cover no-repeat;
}
.hero-overlay {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background-color: rgba(0,0,0,0.3);
  pointer-events: none;
}
.hero-content {
  position: relative;
  color: #fff;
  max-width: 700px;
  margin: 0 1rem;
}
.hero-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.hero-subtext {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.hero-cta {
  background-color: #f6d743;
  color: #333;
  font-size: 1rem;
  font-weight: bold;
  border: none;
  border-radius: 4px;
  padding: 0.8rem 1.2rem;
  cursor: pointer;
  transition: transform 0.3s ease, background-color 0.3s ease;
}
.hero-cta:hover {
  transform: scale(1.05);
  background-color: #ecc637;
}
/* ===== FOOTER ===== */
footer {
  background-color: #333;
  color: #aaa;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1rem;
}
.footer-icon-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #aaa;
}
.footer-icon-link:hover {
  color: #fff;
}
.footer-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 0.5rem;
}
/* ===== SECTIONS ===== */
section {
  background-color: white;
  padding: 1.5rem;
  margin: 0 1rem 2rem 1rem;
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Add indicator when section is active in viewport */
.section-container {
  position: relative;
  border-left: 4px solid transparent;
  transition: border-color 0.3s ease;
}

.section-container.active-section {
  border-left: 4px solid #0275d8;
}

figure {
  margin: 0 0 1rem 0;
  text-align: center;
}
figure img {
  width: 300px;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}
figcaption {
  font-size: 0.9rem;
  color: #666;
  margin-top: 0.5rem;
}
details {
  margin-top: 1rem;
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 4px;
}
details summary {
  cursor: pointer;
  font-weight: bold;
}
/* Random Dog */
#random-dog img {
  width: auto;
  max-width: 90%;
  max-height: 300px;
  display: block;
  margin: 0 auto 1rem;
  object-fit: cover;
}
/* Buttons */
button {
  background-color: #0275d8;
  color: #fff;
  border: none;
  padding: 0.6rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  margin: 0.5rem 0;
}
button:hover {
  background-color: #025aa5;
}
button:focus {
  outline: none;
}

/* Scroll-Reveal Effect for Sections */
.js-enabled section {
    opacity: 0;
    transform: translateY(70px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }

  /* Revealed state - sections move to their normal position and become fully visible */
  .js-enabled section.reveal {
    opacity: 1;
    transform: translateY(0);
  }

/* ===== GRID MODE SWITCH ===== */
.grid-mode-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  margin: 1rem 0;
}
.grid-mode-label {
  font-weight: bold;
  margin: 0;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  line-height: 26px;
}
.switch-container {
  width: 50px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.switch-container input[type="checkbox"] {
  opacity: 0;
  width: 0;
  height: 0;
  margin: 0;
}
.switch-label {
  cursor: pointer;
  background: #ccc;
  border-radius: 26px;
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  transition: background 0.3s;
}
.switch-label::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 20px;
  transition: transform 0.3s;
}
.switch-container input[type="checkbox"]:checked + .switch-label {
  background: #66bb6a;
}
.switch-container input[type="checkbox"]:checked + .switch-label::after {
  transform: translateX(24px);
}
/* ===== PHOTO GALLERY ===== */
.photo-gallery {
  margin-top: 1rem;
}

/* Lazy loading styles */
.lazy-image {
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.lazy-image.loaded {
  opacity: 1;
}

.single-row {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  overflow-x: auto;
  justify-content: flex-start;
  align-items: center;
}
.single-row img {
  min-width: 400px;
  max-width: 600px;
  height: 300px;
  object-fit: cover;
  flex-shrink: 0;
  margin: 0 auto;
}
.grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  grid-gap: 1rem;
  overflow-x: visible;
}
.grid-layout img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
}
/* ===== LIGHTBOX ===== */
#lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 3000;
}
#lightbox.hidden {
  display: none;
}
.lightbox-content {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 90%;
  max-height: 90%;
}
.lightbox-img-container {
  position: relative;
  display: inline-block;
}
#lightboxImg {
  width: auto;
  height: auto;
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  display: block;
  border: 4px solid #fff;
  border-radius: 4px;
  transform-origin: center center;
}
#zoomControls {
  position: absolute;
  bottom: 0;
  right: 0;
  margin: 5px;
  display: flex;
  gap: 6px;
}
.zoom-btn {
  background-color: #444;
  color: #fff;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 1.2rem;
  line-height: 1;
  padding: 0;
  border: none;
  cursor: pointer;
}
.zoom-btn:hover {
  background-color: #666;
}
/* Left/Right arrow buttons */
.lightbox-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  font-size: 3.5rem;
  cursor: pointer;
  user-select: none;
  padding: 0.5rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  z-index: 3100;
}
.lightbox-arrow.left {
  left: 20px;
}
.lightbox-arrow.right {
  right: 20px;
}
.lightbox-close {
  position: absolute;
  top: 10px;
  right: 10px;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  z-index: 3100;
}
/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  margin: 2rem 0;
  padding: 2rem 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 40px;
  top: 0;
  width: 2px;
  height: 100%;
  background-color: #ccc;
}
.timeline-item {
  position: relative;
  margin: 2rem 0;
  padding-left: 80px;
  opacity: 0; /* for scroll reveal */
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 31px;
  background-color: #0275d8;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  top: 0;
}
.slide-in-left {
  transform: translateX(-50px);
}
.slide-in-right {
  transform: translateX(50px);
}
.timeline-item.reveal {
  opacity: 1;
  transform: translate(0, 0);
}
.timeline-date {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: bold;
  color: #666;
  margin-bottom: 0.5rem;
}
.timeline-content h3 {
  margin: 0.3rem 0;
  font-size: 1.2rem;
}
.timeline-content p {
  margin: 0.5rem 0 1rem;
}
.toggle-details {
  display: inline-block;
  background-color: #0275d8;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
}
.project-details.hidden {
  display: none;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #0275d8;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s, background-color 0.3s;
  z-index: 2500;
  padding: 0;
  border: none;
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

.back-to-top:hover {
  background-color: #025aa5;
  transform: translateY(0) scale(1.1);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: opacity 0.1s, visibility 0.1s, background-color 0.1s;
  }
}

/* ===== SKILLS SECTION STYLES - NEW ===== */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skills-category {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.skills-category h3 {
  margin-top: 0;
  margin-bottom: 1.2rem;
  color: #0275d8;
  border-bottom: 2px solid #e9ecef;
  padding-bottom: 0.5rem;
}

/* Progress bar styles */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.2rem;
}

.skill-item {
  margin-bottom: 0.8rem;
}

.skill-name {
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.skill-bar-container {
  height: 12px;
  background-color: #e9ecef;
  border-radius: 6px;
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background-color: #0275d8;
  border-radius: 6px;
  transition: width 1.5s ease-in-out;
}

/* Tag styles */
.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.skill-tag {
  background-color: #e9ecef;
  color: #495057;
  border-radius: 30px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.skill-tag:hover {
  background-color: #0275d8;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 3px 5px rgba(2, 117, 216, 0.2);
}

/* =======================
3) MOBILE QUERIES
======================= */
@media (max-width: 600px) {
  /* 2) Default header size on phone */
  header {
    height: 50px;
    z-index: 100; /* lower than lightbox, but sidebar is 3000 */
  }
  header h1 {
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  main {
    margin-top: 50px;
  }
  /* 3) Hero smaller on phone */
  .hero {
    min-height: 30vh; /* from 50vh down to 30vh */
  }
  .hero-content h2 {
    font-size: 1.4rem; /* smaller text */
  }
  .hero-subtext {
    font-size: 1rem;
  }
  /* 4) Narrow timeline on phone */
  .timeline::before {
    left: 20px; /* narrower left offset */
  }
  .timeline-item {
    margin: 1.5rem 0;
    padding-left: 40px; /* reduce from 80 to 40 */
  }
  .timeline-item::before {
    left: 11px; /* matches half the timeline::before offset minus radius */
  }
  /* Sidebar shrinks in mobile, folded by default */
  #sidebar {
    top: 50px;
    width: 160px;
    padding: 0.5rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  #sidebar.expanded {
    transform: translateX(0);
  }
  #sidebar.collapsed {
    transform: translateX(-100%);
  }
  /* Force no margin shift in mobile to keep layout simpler */
  #sidebar.expanded ~ header,
  #sidebar.expanded ~ main,
  #sidebar.expanded ~ footer,
  #sidebar.collapsed ~ header,
  #sidebar.collapsed ~ main,
  #sidebar.collapsed ~ footer {
    margin-left: 0 !important;
  }
  /* Lightbox arrow positions on phone */
  .lightbox-arrow.left {
    left: -30px;
  }
  .lightbox-arrow.right {
    right: -30px;
  }
  #lightboxImg {
    max-width: 85vw;
    max-height: 80vh;
  }
  /* Photo gallery grid on phone */
  .photo-gallery.grid-layout {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
  
  /* Adjust back to top button size and position for mobile */
  .back-to-top {
    width: 40px;
    height: 40px;
    bottom: 20px;
    right: 20px;
  }
  
  .back-to-top svg {
    width: 18px;
    height: 18px;
  }
  
  /* Skills section mobile adjustments */
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .skill-tag {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}
/* Hidden Contact Section */
.hidden-contact {
  border: 2px solid #ddd;
  border-radius: 8px;
  background-color: transparent;
  margin-top: 1rem;
  padding: 0.5rem;
}
.hidden-contact summary {
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  padding: 0.6rem 1rem;
  background: transparent;
  color: inherit;
  border: none;
  border-radius: 4px;
  user-select: none;
  list-style: none;
  transition: background 0.3s ease;
}
.hidden-contact summary:hover {
  background-color: rgba(0, 0, 0, 0.1);
}
.hidden-contact summary::-webkit-details-marker {
  display: none;
}
.hidden-contact-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.5s ease;
}
.hidden-contact[open] .hidden-contact-content {
  max-height: 200px;
  opacity: 1;
}
.hidden-contact-content p {
  margin: 0.5rem 0;
}
.contact-label {
  font-weight: 600;
  margin-right: 0.5rem;
  color: #333;
}
.contact-info {
  font-style: italic;
  color: #555;
}
.hidden-contact-content a {
  color: #0275d8;
  text-decoration: none;
}
.hidden-contact-content a:hover {
  text-decoration: underline;
}