:root {
  /* Dark theme (default) */
  --background-color: #000000;
  --text-color: #ffffff;
  --accent-color: #ffffff;
  --accent-hover-color: #000000;
  --border-color: #ffffff;
  --transition-fast: 200ms;
  --transition-medium: 320ms;
  --easing: cubic-bezier(.2,.9,.2,1);
}

/* Light theme overrides */
[data-theme="light"] {
  --background-color: #f7f7fb;
  --text-color: #0b1220;
  --accent-color: #0b1220;
  --accent-hover-color: #ffffff;
  --border-color: #dfe3ea;
}

/* Global Styles */
body {
  font-family: Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  padding: 0 1rem;
}

/* Smooth transitions for theme changes and interactive elements */
body, header, footer, main, a, nav ul li a, section, aside {
  transition: background-color var(--transition-medium) var(--easing), color var(--transition-medium) var(--easing), border-color var(--transition-medium) var(--easing);
}

a {
  text-decoration: none;
  color: var(--accent-color);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
}

ul {
  list-style: none;
  padding: 0;
}

nav ul {
  display: flex;
}

nav ul li a {
  padding: 0.25rem 0.5rem;
  margin: 0 0.25rem;
}

nav ul li a:hover {
  color: var(--accent-hover-color);
  border-radius: 6px;
  background-color: var(--accent-color);
  transition: background-color var(--transition-fast) var(--easing), color var(--transition-fast) var(--easing);
}

#Contact a {
  padding: 0.25rem 0.5rem;
}

#Contact a:hover{
  color: var(--accent-hover-color);
  background-color: var(--accent-color);
  border-radius: 6px;
}



/* Main Content */
main {
  gap: 1rem;
  padding: 1rem;
  align-items: center;
}

/* Theme toggle button */
#theme-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background-color var(--transition-fast) var(--easing), color var(--transition-fast) var(--easing), transform var(--transition-fast) var(--easing);
}

#theme-toggle:hover {
  transform: translateY(-2px);
}

.Intro h1 {
  text-align: left;
  font-size: 12rem;
  width: 80%;
  float: left;
}

.Intro h2 {
  padding-top: 18rem;
  text-align: left;
}

.Intro p {
  text-align: left;
  font-size: 1.3rem;
  padding-bottom: 10rem;
  border-bottom: 1px solid var(--border-color);
}

.Projects h2 {
  font-size: 7rem;
  text-align: right;
}

.Projects ul {
  font-size: 4rem;
  text-align: left;

}

.Education h2 {
  font-size: 7rem;
  text-align: left;
}

.Education ul {
  font-size: 4rem;
  text-align: right;
}

.Education h3 {
  font-size: 4em;
  text-align: right;
}

.Skills h2 {
  font-size: 7rem;
  text-align: right;
}

.Skills ul {
  font-size: 4rem;
  text-align: left;
}


.Icebreakers h2 {
  text-align: left;
  font-size: 7rem;
}

.Icebreakers p {
  font-size: 4rem;
  text-align: right;
}

.Skills,.Education,.Projects {
  border-bottom: 1px solid var(--border-color);
}
#email {
  font-size: 1.5rem;
  font-weight: bold;
}

/* Reveal animation: initial hidden state and visible state */
.reveal {
  opacity: 0;
  transform: translateY(12px) scale(0.995);
  will-change: opacity, transform;
}
.reveal-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity var(--transition-medium) var(--easing), transform var(--transition-medium) var(--easing);
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
  .reveal, .reveal-visible { opacity: 1; transform: none; }
}

/* Technologies & Tools table styles */
.tech-table-wrapper {
  margin-top: 1rem;
  overflow-x: auto;
}
.tech-table {
  width: 100%;
  max-width: 900px;
  border-collapse: collapse;
  margin: 0.5rem 0 2rem 0;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  background-color: transparent;
}
.tech-table thead th {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-color);
  background-color: rgba(255,255,255,0.03);
  font-weight: 700;
}
.tech-table tbody td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
  color: var(--text-color);
}
.tech-table tbody tr:nth-child(even) td {
  background-color: rgba(255,255,255,0.02);
}

/* Slightly stronger header color in light theme */
[data-theme="light"] .tech-table thead th {
  background-color: rgba(11,18,32,0.06);
  color: var(--text-color);
}

/* Make sure the table content wraps nicely on small screens */
.tech-table td {
  word-break: break-word;
}

/* Add subtle focus for accessibility when using keyboard */
.tech-table tbody tr:focus-within td,
.tech-table tbody tr:hover td {
  outline: 2px solid transparent;
  background-color: rgba(255,255,255,0.03);
}


/* Mobile / small-screen support */
@media (max-width: 900px) {
  body {
    padding: 0 0.75rem;
  }

  /* Header stacks, nav becomes a row that wraps */
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    position: relative;
  }

  /* Position theme toggle in top-right on mobile */
  #theme-toggle {
    position: absolute;
    top: 0.5rem;
    right: 0;
    padding: 0.65rem 0.85rem;
    font-size: 1.3rem;
  }

  nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  nav ul li a {
    padding: 0.6rem 0.9rem;
    margin: 0;
    font-size: 0.95rem;
    border-radius: 8px;
  }

  /* Make large intro heading responsive and remove float */
  .Intro h1 {
    font-size: clamp(2.4rem, 10vw, 5.2rem);
    width: 100%;
    float: none;
    margin: 0.2rem 0;
    line-height: 1.02;
  }

  .Intro h2 { padding-top: 0.5rem; }

  .Intro p { font-size: 1rem; padding-bottom: 1.5rem; }

  /* Reduce oversized section headings and text for readability */
  .Projects h2, .Skills h2, .Education h2, .Icebreakers h2 {
    font-size: clamp(1.6rem, 8vw, 3.2rem);
    text-align: left;
  }

  .Projects ul, .Skills ul, .Education ul, .Icebreakers p {
    font-size: clamp(1rem, 4.2vw, 1.5rem);
    text-align: left;
  }

  /* Stack project grid if present */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* Make footer stack and center */
  footer {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  /* Extra small devices: give more comfortable touch targets */
  nav ul li a { padding: 0.75rem 1rem; font-size: 1rem; }
  
  /* Larger theme toggle for tiny screens */
  #theme-toggle { 
    padding: 0.7rem 0.9rem; 
    font-size: 1.4rem;
    top: 0.25rem;
  }

  /* Further reduce intro heading if screen is tiny */
  .Intro h1 { font-size: clamp(2rem, 12vw, 4rem); }
  .project-item { font-size: clamp(0.95rem, 4.6vw, 1.25rem); }
}