/* ========================================
   Reese Highman Portfolio
   Color palette: Official University of Montana
   Heritage: Griz Maroon #70002e, Sunset Red #F9423A, Copper Climb #ED8B00
   Secondary: Wheat #EFE8D4, Trail Sign Tan #DFD1A7, Lubrecht Green #1D3C34, Glacier Sky #BBDDE6
   ======================================== */

:root {
  --color-bg: #2A0012;
  --color-bg-light: #3D001B;
  --color-text: #EFE8D4;
  --color-text-muted: #DFD1A7;
  --color-accent: #70002e;
  --color-accent-light: #F9423A;
  --color-accent-2: #ED8B00;
  --color-accent-3: #BBDDE6;
  --color-green: #1D3C34;
  --font-main: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'Space Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Generative background */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.3;
}

#bg-canvas canvas {
  width: 100% !important;
  height: 100% !important;
}

/* Header Banner */
.header-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 50px;
  background: linear-gradient(135deg, #3D001B 0%, #70002e 50%, #3D001B 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 101;
  border-bottom: 1px solid rgba(237, 139, 0, 0.3);
}

.banner-logo {
  height: 32px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* Navigation */
.nav {
  position: fixed;
  top: 50px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem 3rem;
  z-index: 100;
  background: linear-gradient(to bottom, var(--color-bg) 0%, transparent 100%);
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-2);
  text-decoration: none;
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.hero-watermark {
  display: none;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent-3) 50%, var(--color-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-accent-2);
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
}

.intro {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Work Section */
.work-section {
  padding: 6rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.work-section h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-text-muted);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 2rem;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
  background: rgba(109, 44, 58, 0.15);
}

/* Carousel */
.carousel-container {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
}

.carousel {
  flex: 1;
  overflow: hidden;
  border-radius: 1rem;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel-slide {
  min-width: 100%;
  background: var(--color-bg-light);
  border-radius: 1rem;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 450px;
}

.carousel-slide.hidden {
  display: none;
}

.slide-image {
  overflow: hidden;
  background: var(--color-bg);
}

.slide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-image--code {
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-image--code {
  min-height: 300px;
  background: #0f0f1a;
}

.code-preview {
  width: 100%;
  height: 300px;
  min-height: 300px;
}

.code-preview canvas {
  width: 100% !important;
  height: 100% !important;
}

.slide-info {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide-info h3 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.slide-medium {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent-light);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.slide-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.carousel-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--color-text-muted);
  background: transparent;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.carousel-btn:hover {
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
  background: rgba(109, 44, 58, 0.15);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.carousel-dot:hover {
  background: var(--color-accent-light);
}

.carousel-dot.active {
  background: var(--color-accent-light);
  transform: scale(1.2);
}

/* Responsive carousel */
@media (max-width: 768px) {
  .carousel-slide {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  
  .slide-image {
    aspect-ratio: 4/3;
  }
  
  .slide-info {
    padding: 1.5rem;
  }
  
  .slide-info h3 {
    font-size: 1.5rem;
  }
  
  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
}

/* Skills Section */
.skills-section {
  padding: 6rem 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.skills-section h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
}

.skills-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.skills-column h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--color-accent-2);
}

.skill-item {
  margin-bottom: 1.25rem;
}

.skill-name {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: block;
  color: var(--color-text-muted);
}

.skill-bar {
  height: 8px;
  background: var(--color-bg-light);
  border-radius: 4px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  border-radius: 4px;
  transition: width 0.6s ease;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.tool-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-bg-light);
  border-radius: 0.5rem;
  transition: transform 0.2s ease;
}

.tool-item:hover {
  transform: translateY(-2px);
}

.tool-icon {
  font-size: 1.25rem;
}

.tool-name {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .skills-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Coursework Section */
.coursework-section {
  padding: 6rem 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.coursework-section h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
}

.coursework-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .coursework-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.coursework-item {
  display: flex;
  flex-direction: column;
  background: rgba(61, 0, 27, 0.8);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-decoration: none;
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
  border: 2px solid rgba(237, 139, 0, 0.3);
  min-height: 120px;
}

.coursework-item:hover {
  transform: translateY(-4px);
  background: rgba(112, 0, 46, 0.3);
  border-color: var(--color-accent-light);
}

.coursework-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent-2);
  margin-bottom: 0.5rem;
}

.coursework-title {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.coursework-desc {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* About Section */
.about-section {
  padding: 6rem 3rem;
  background: var(--color-bg-light);
}

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

.about-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.about-section h2 {
  font-size: 2.5rem;
  margin-bottom: 0;
}

.um-badge {
  height: 40px;
  opacity: 0.9;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* Contact Section */
.contact-section {
  padding: 6rem 3rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.contact-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.contact-section > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--color-accent-light);
  text-decoration: none;
  padding: 1rem 2rem;
  border: 2px solid var(--color-accent-light);
  border-radius: 3rem;
  transition: all 0.3s ease;
}

.contact-link:hover {
  background: var(--color-accent-light);
  color: var(--color-text);
}

.social-links {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.social-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

/* Footer */
footer {
  padding: 2rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.footer-logo {
  height: 24px;
  opacity: 0.6;
}

/* Responsive */
/* Mobile Responsive */
@media (max-width: 768px) {
  /* Header */
  .header-banner {
    height: 40px;
  }
  
  .banner-logo {
    height: 24px;
  }
  
  .nav {
    top: 40px;
    padding: 0.75rem 1rem;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.85rem;
  }
  
  /* Hero */
  .hero {
    padding: 1rem;
    min-height: calc(100vh - 40px);
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .tagline {
    font-size: 0.9rem;
  }
  
  .intro {
    font-size: 1rem;
  }

  /* Sections */
  .work-section,
  .skills-section,
  .coursework-section,
  .about-section,
  .contact-section {
    padding: 3rem 1.25rem;
  }
  
  .work-section h2,
  .skills-section h2,
  .coursework-section h2,
  .about-section h2,
  .contact-section h2 {
    font-size: 1.75rem;
  }

  /* Filter tabs */
  .filter-tabs {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.7rem;
  }
  
  /* Carousel */
  .carousel-container {
    gap: 0.5rem;
  }
  
  .carousel-btn {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  
  /* Coursework grid */
  .coursework-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem;
  }
  
  .coursework-item {
    padding: 1.25rem;
  }
  
  /* About */
  .about-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .um-badge {
    height: 30px;
  }
  
  .about-text p {
    font-size: 1rem;
  }
  
  /* Contact */
  .contact-link {
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
  }
  
  .social-links {
    gap: 1.5rem;
  }
  
  /* Footer */
  .footer-logo {
    height: 20px;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .nav-links {
    gap: 0.75rem;
    font-size: 0.8rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .filter-tabs {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .carousel-btn {
    display: none;
  }
  
  .tools-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  
  .tool-item {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
  }
}