/* Copyright (C) 2024 Benedikt Kolbeinsson */

:root {
  --color-primary: #1A1A1A;
  --color-secondary: #666666;
  --color-accent: #FF6B35;
  --color-bg: #FAFAFA;
  --color-bg-alt: #F0F1F3;
  --color-border: #E5E7EB;
  --font-primary: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --mono-align-offset: -0.04em;
  --heading-align-offset: -0.03em;
}

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

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

/* Base heading class with alignment fix */
.heading-text {
  transform: translateX(var(--heading-align-offset));
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.wide-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Hero Section */
.hero {
  min-height: clamp(600px, 85vh, 1900px);
  display: flex;
  align-items: center;
  position: relative;
  padding: 3rem 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 6rem;
  align-items: center;
  width: 100%;
}

.hero-text h1 {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 700;
  line-height: 0.85;
  margin-bottom: 2rem;
  letter-spacing: -0.03em;
}

.hero-text .subtitle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-text .description {
  font-size: 1.3rem;
  color: var(--color-secondary);
  line-height: 1.5;
  margin-bottom: 3rem;
  max-width: 550px;
}

.hero-visual {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-illustration {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF6B35, #F7931E, #FFB74D);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-image {
  width: 100%;
  height: 100%;
  transform: scale(1.005);
  object-fit: cover;
  border-radius: 50%;
}


/* Section Base Styles */
.section {
  padding: 8rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 5rem;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.section-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  line-height: 0.9;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--color-secondary);
  max-width: 700px;
  line-height: 1.6;
}

/* Research Section - Creative Layout */
.research-section {
  background: var(--color-bg-alt);
}

.research-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 6rem;
  margin-top: 4rem;
}

.research-intro {
  position: sticky;
  top: 2rem;
  height: fit-content;
}

.research-intro h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.research-intro p {
  color: var(--color-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.research-stats {
  display: flex;
  gap: 2rem;
}

.stat {
  text-align: left;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.research-items {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.research-item {
  display: flex;
  flex-direction: column;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
}

.research-item:last-child {
  border-bottom: none;
}

.research-content h4 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(255, 107, 53, 0.1);
  color: var(--color-accent);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-weight: 500;
}

.research-content p {
  color: var(--color-secondary);
  line-height: 1.6;
}

/* Education Section - Timeline Style */
.education-timeline {
  position: relative;
  margin-top: 4rem;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 6rem;
  position: relative;
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 2;
}

.timeline-item:nth-child(even) .timeline-visual {
  grid-column: 1;
  grid-row: 1;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 2rem;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border: 4px solid var(--color-bg);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.timeline-content {
  padding: 2rem;
}

.timeline-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.timeline-content h3 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.timeline-content h4 {
  font-size: 1.1rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  font-weight: 500;
}

.timeline-content p {
  color: var(--color-secondary);
  line-height: 1.6;
}

.timeline-visual {
  background: var(--color-bg-alt);
  border-radius: 20px;
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-accent);
  font-weight: 700;
}

/* Experience Section - Asymmetric Layout */
.experience-section {
  background: var(--color-bg-alt);
}

.experience-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-top: 4rem;
}

.experience-main {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.experience-item {
  padding: 3rem;
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  position: relative;
}

.experience-item::before {
  content: '';
  position: absolute;
  left: -2px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 107, 53, 0.1);
}

.experience-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.experience-item h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.experience-item h4 {
  color: var(--color-secondary);
  font-weight: 500;
  margin-bottom: 1rem;
}

.experience-item p {
  color: var(--color-secondary);
  line-height: 1.6;
}

.experience-sidebar {
  background: var(--color-primary);
  border-radius: 20px;
  padding: 3rem;
  color: white;
  height: fit-content;
  position: sticky;
  top: 2rem;
}

.experience-sidebar h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.experience-sidebar p {
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.sidebar-stat {
  margin-bottom: 1.5rem;
}

.sidebar-stat-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}

.sidebar-stat-label {
  font-size: 0.8rem;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Awards Section - Masonry Style */

.awards-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.award-item {
  background: var(--color-bg);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.award-item h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.award-meta {
  font-size: 0.9rem;
  color: var(--color-secondary);
  line-height: 1.5;
}

/* Contact Section */
.contact-section {
  background: var(--color-primary);
  color: white;
}

.contact-layout {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 800px;
}

.contact-content h2 {
  color: white;
  margin-bottom: 1.5rem;
}

.contact-content .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 3rem;
}

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

.social-link {
  padding: 1rem 1.5rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 0.9rem;
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-4px);
}

.social-icon {
  width: 1.2rem;
  height: 1.2rem;
  filter: brightness(0) invert(1);
  transition: filter 0.3s ease;
}

.social-link:hover .social-icon {
  filter: brightness(0) saturate(100%) invert(41%) sepia(72%) saturate(2165%) hue-rotate(349deg) brightness(101%) contrast(102%);
}

.contact-cta {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
  backdrop-filter: blur(10px);
}

.contact-cta h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.contact-cta p {
  opacity: 0.8;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: 1.2rem 2.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.btn:hover {
  background: #e55a2b;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

/* Text content links */
.text-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-accent) 40%, transparent);
  font-size: 0.9rem;
  transition: text-decoration-color 0.3s ease;
}

.text-link:hover {
  text-decoration-color: var(--color-accent);
}

/* Responsive */
@media (max-width: 1024px) {
  .research-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .research-intro {
    position: static;
  }

  .experience-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .experience-sidebar {
    position: static;
  }
}

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 0rem;
    text-align: center;
  }

  .hero-visual {
    height: 400px;
    order: -1;
  }

  .profile-illustration {
    width: 250px;
    height: 250px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 3rem;
  }

  .timeline-item .timeline-content {
    grid-column: 1 !important;
    padding: 1.5rem;
  }

  .timeline-line {
    display: none;
  }

  .timeline-dot {
    display: none;
  }

  .research-item {
    padding: 1.5rem 0;
  }

  .research-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .social-links {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .hero {
    min-height: 80vh;
    padding: 0rem 0 3rem 0;
  }
}


@media (max-width: 480px) {
  .container,
  .wide-container {
    padding: 0 1rem;
  }

  .section {
    padding: 4rem 0;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.slide-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Dark Theme */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #E5E5E5;
    --color-secondary: #A0A0A0;
    --color-accent: #FF6B35;
    --color-bg: #0F0F0F;
    --color-bg-alt: #1A1A1A;
    --color-border: #333333;
  }

  /* Contact section uses standard bg-alt in dark mode */
  .contact-section {
    background: var(--color-bg-alt);
  }

  /* Adjust social link borders for dark mode */
  .social-link {
    border-color: rgba(229, 229, 229, 0.2);
    color: rgba(229, 229, 229, 0.8);
  }

  .social-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  /* Experience sidebar needs proper contrast in dark mode */
  .experience-sidebar {
    background: #333333;
  }

}