/* 
  Portfolio Website Styles
  Author: Kylan Thomson
  
  Color Palette:
  - Primary: #102e4a (Navy Blue)
  - Secondary: #8da1b9 (Lighter Blue)
  - Accent: #e8985e (Orangish Brown)
  - Light: #ffffff (White)
  - Dark: #121212 (Almost Black)
  - Gray: #f5f5f5 (Light Gray)
*/

/* ===== CSS Variables ===== */
:root {
  /* Colors - Light Mode */
  --primary: #102e4a;
  --secondary: #8da1b9;
  --accent: #e8985e;
  --background: #ffffff;
  --surface: #f5f5f5;
  --text: #333333;
  --text-light: #666666;
  --border: #dddddd;
  --shadow: rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Montserrat', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Container Width */
  --container-width: 1200px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --primary: #1e88e5;
  --secondary: #64b5f6;
  --accent: #ff9800;
  --background: #121212;
  --surface: #1e1e1e;
  --text: #f5f5f5;
  --text-light: #bbbbbb;
  --border: #333333;
  --shadow: rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  color: var(--text);
  background-color: var(--background);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--accent);
}

ul {
  list-style-position: inside;
  margin-bottom: var(--spacing-sm);
}

li {
  margin-bottom: var(--spacing-xs);
}

img {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--accent);
  left: 50%;
  transform: translateX(-50%);
}

.highlight {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
  font-family: var(--font-primary);
}

.btn i {
  margin-right: 0.5rem;
}

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

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

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

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

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--background);
  box-shadow: 0 2px 10px var(--shadow);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.5rem 0;
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--spacing-md);
  max-width: var(--container-width);
  margin: 0 auto;
}

.navbar-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-secondary);
}

.navbar-menu {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
}

.navbar-menu li {
  margin: 0 0.75rem;
}

.navbar-link {
  font-weight: 500;
  padding: 0.5rem;
  position: relative;
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-normal);
}

.navbar-link:hover::after,
.navbar-link.active::after {
  width: 100%;
}

#theme-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--primary);
  margin: 3px 0;
  transition: var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
  padding: 8rem 0 5rem;
  background-color: var(--surface);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, transparent 50%);
  opacity: 0.1;
  z-index: 0;
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-xs);
  color: var(--primary);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--text);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 400px;
}

.profile-image {
  width: 100%;
  max-width: 350px;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px var(--shadow);
  transition: transform var(--transition-normal);
}

.profile-image:hover {
  transform: translateY(-10px);
}

/* ===== About Section ===== */
.about {
  background-color: var(--background);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

/* ===== Experience Section ===== */
.experience {
  background-color: var(--surface);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background-color: var(--primary);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.timeline-dot {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 4px solid var(--primary);
  z-index: 1;
}

/* Right side timeline items (odd) */
.timeline-item:nth-child(odd) .timeline-date {
  position: absolute;
  top: 0;
  left: 0;
  width: 45%;
  text-align: right;
  padding-right: var(--spacing-md);
  font-weight: 600;
  color: var(--primary);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 55%;
  margin-right: 0;
  padding: var(--spacing-md);
  background-color: var(--background);
  border-radius: var(--radius-md);
  box-shadow: 0 5px 15px var(--shadow);
}

/* Left side timeline items (even) */
.timeline-item:nth-child(even) .timeline-date {
  position: absolute;
  top: 0;
  right: 0;
  left: auto;
  width: 45%;
  text-align: left;
  padding-left: var(--spacing-md);
  padding-right: 0;
  font-weight: 600;
  color: var(--primary);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: 55%;
  margin-left: 0;
  padding: var(--spacing-md);
  background-color: var(--background);
  border-radius: var(--radius-md);
  box-shadow: 0 5px 15px var(--shadow);
}

.timeline-content h3 {
  margin-bottom: 0.25rem;
  color: var(--primary);
}

.timeline-content h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--accent);
  font-weight: 500;
}

/* ===== Projects Section ===== */
.projects {
  background-color: var(--background);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  background-color: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow);
  transition: transform var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-10px);
}

.project-image {
  position: relative;
  width: 100%;
  padding-top: 74.83%; /* 767/1025 = 0.7483 or 74.83% - maintains aspect ratio */
  overflow: hidden;
}

.project-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.project-slider img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain; /* Changed from cover to contain to prevent cropping */
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-slider img.active {
  opacity: 1;
}

.slider-prev,
.slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.project-slider:hover .slider-prev,
.project-slider:hover .slider-next {
  opacity: 1;
}

.slider-prev {
  left: 10px;
}

.slider-next {
  right: 10px;
}

.project-info {
  padding: var(--spacing-md);
}

.project-info h3 {
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--spacing-sm) 0;
}

.project-tech span {
  background-color: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

/* ===== Skills Section ===== */
.skills {
  background-color: var(--surface);
}

.skills-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.skills-category h3 {
  margin-bottom: var(--spacing-md);
  text-align: center;
  color: var(--primary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--spacing-md);
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.skill-item i {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.skill-item span {
  font-size: 0.875rem;
  font-weight: 500;
}

/* ===== Education Section ===== */
.education {
  background-color: var(--background);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.education-card {
  display: flex;
  background-color: var(--surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: 0 5px 15px var(--shadow);
  transition: transform var(--transition-normal);
}

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

.education-icon {
  margin-right: var(--spacing-sm);
  font-size: 2rem;
  color: var(--primary);
}

.education-info h3 {
  margin-bottom: 0.25rem;
  color: var(--primary);
}

.education-date {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* ===== Contact Section ===== */
.contact {
  background-color: var(--surface);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
}

.contact-item i {
  font-size: 1.5rem;
  margin-right: var(--spacing-sm);
  color: var(--primary);
}

.contact-form {
  background-color: var(--background);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: 0 5px 15px var(--shadow);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--background);
  color: var(--text);
  font-family: var(--font-primary);
  transition: border-color var(--transition-fast);
}

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

/* ===== Footer ===== */
.footer {
  background-color: var(--primary);
  color: white;
  padding: var(--spacing-md) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  color: white;
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ===== Media Queries ===== */
@media (max-width: 992px) {
  .hero-container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-content {
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  /* Reset timeline to vertical for mobile */
  .timeline::before {
    left: 30px;
  }
  
  .timeline-dot {
    left: 30px;
  }
  
  .timeline-item:nth-child(odd) .timeline-date,
  .timeline-item:nth-child(even) .timeline-date {
    position: relative;
    width: 100%;
    text-align: left;
    padding-left: 70px;
    padding-right: 0;
    margin-bottom: var(--spacing-sm);
    right: auto;
    left: 0;
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 70px;
    margin-right: 0;
    width: calc(100% - 70px);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 60px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 60px);
    flex-direction: column;
    background-color: var(--background);
    padding: var(--spacing-md) 0;
    transition: left var(--transition-normal);
    box-shadow: 0 5px 15px var(--shadow);
  }
  
  .navbar-menu.active {
    left: 0;
  }
  
  .navbar-menu li {
    margin: var(--spacing-xs) 0;
  }
  
  .navbar-toggle {
    display: flex;
  }
  
  .navbar-toggle.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .navbar-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .navbar-toggle.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  
  .project-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-content {
    grid-template-columns: 1fr;
  }
  
  .education-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

@media (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}