/* ==========================================================================
   1. Root Variables & Base Styles
   ========================================================================== */

:root {
  /* Colors */
  --color-text-light: #f5f6fa;
  --color-text-muted: #a5b1b2; /* Slightly lighter than original #95a5a6 for potentially better contrast, BUT VERIFY! */
  --color-text-heading: #ffffff;
  --color-bg-body: #1e272e;
  --color-bg-container: #2c3e50;
  --color-bg-image-placeholder: #4a6572; /* Used if image fails to load */
  --color-bg-button: #34495e;
  --color-bg-button-hover: #232f3e; /* Darker hover for button */
  --color-link: #86d3ff;
  --color-link-hover: #add8e6;
  --color-icon: var(--color-link);
  --color-heading-hover: #a7ffeb;

  /* Fonts */
  --font-primary: 'Roboto', sans-serif;

  /* Transitions & Animations */
  --transition-speed-fast: 0.2s;
  --transition-speed-medium: 0.3s;
  --transition-speed-slow: 1s;
  --transition-timing: ease;
  --transition-timing-out: ease-out;
  --transition-timing-in-out: ease-in-out;

  /* Spacing (Using rem) */
  --space-xs: 0.5rem;  /* ~8px */
  --space-s: 1rem;     /* ~16px */
  --space-m: 1.5rem;   /* ~24px */
  --space-l: 2.5rem;   /* ~40px */
  --space-xl: 3.75rem; /* ~60px */
}

/* Basic Reset/Defaults */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: var(--color-bg-body);
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Basic Link Styling */
a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-speed-medium) var(--transition-timing);
}

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

/* Accessibility: Improve focus visibility */
a:focus-visible,
.subdomain-link:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Accessibility: Visually Hidden Class */
.visually-hidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    white-space: nowrap;
}

/* ==========================================================================
   2. Layout: Main Container
   ========================================================================== */

main.container {
  text-align: center;
  padding: var(--space-xl);
  background-color: var(--color-bg-container);
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
  width: 85%;
  max-width: 600px;
  animation: fadeIn var(--transition-speed-slow) var(--transition-timing-out);
}

/* ==========================================================================
   3. Components: Header, Image, Bio, Contact, Footer
   ========================================================================== */

/* Header */
header {
  margin-bottom: var(--space-l);
}

header h1 {
  font-size: 3em;
  font-weight: 500;
  margin-top: 0;
  margin-bottom: var(--space-s);
  color: var(--color-text-heading);
  letter-spacing: 1px;
  transition: transform var(--transition-speed-fast) var(--transition-timing-in-out),
              color var(--transition-speed-fast) var(--transition-timing-in-out);
}

header h1:hover {
  transform: scale(1.05);
  color: var(--color-heading-hover);
}

/* Profile Image */
header img {
  display: block;
  width: 150px;
  height: 150px;
  background-color: var(--color-bg-image-placeholder);
  border-radius: 50%;
  margin: 0 auto var(--space-m);
  object-fit: cover;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Bio Section */
.bio {
    margin-bottom: var(--space-l);
    /* Optional: Add slightly different styling if needed */
    /* color: var(--color-text-light); */
}

.bio p {
    margin: var(--space-xs) 0; /* Smaller margin between bio paragraphs */
    max-width: 50ch; /* Limit line length for readability */
    margin-left: auto;
    margin-right: auto;
}

/* Contact Info */
address.contact {
  margin-bottom: var(--space-l);
  font-style: normal;
}

address.contact p {
  margin: var(--space-s) 0;
  font-size: 1.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

address.contact p i {
  font-size: 1.2em;
  color: var(--color-icon);
  flex-shrink: 0;
  transition: transform var(--transition-speed-fast) var(--transition-timing-in-out);
}

address.contact p:hover i {
  transform: rotate(15deg);
}

/* Footer */
footer {
  margin-top: var(--space-l);
  font-size: 0.9em;
  color: var(--color-text-muted); /* Check contrast! */
}

/* Added context text styling */
footer .sync-context {
    font-size: 0.9em; /* Smaller than main footer text */
    margin-bottom: var(--space-xs); /* Space before the button */
    color: var(--color-text-muted); /* Use muted color, check contrast */
}

.subdomain-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-s);
  background-color: var(--color-bg-button);
  color: var(--color-text-heading);
  border-radius: 5px;
  transition: background-color var(--transition-speed-medium) var(--transition-timing),
              transform var(--transition-speed-fast) var(--transition-timing);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.subdomain-link:hover {
  animation: jiggle var(--transition-speed-medium) var(--transition-timing-in-out);
  background-color: var(--color-bg-button-hover);
  transform: translateY(-2px);
}

.subdomain-link i {
  font-size: 0.9em;
}

/* ==========================================================================
   4. Animations
   ========================================================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes jiggle {
  0%, 100% { transform: translateX(0) translateY(-2px); }
  25% { transform: translateX(-5px) translateY(-2px); }
  50% { transform: translateX(5px) translateY(-2px); }
  75% { transform: translateX(-3px) translateY(-2px); }
}

/* ==========================================================================
   5. Accessibility & Responsiveness
   ========================================================================== */

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  header h1:hover { transform: none; }
  address.contact p:hover i { transform: none; }
  .subdomain-link:hover { animation: none; transform: translateY(-2px); }
}

/* Basic Responsive Example */
@media (max-width: 640px) {
  main.container {
    width: 90%;
    padding: var(--space-l);
  }
  header h1 { font-size: 2.5em; }
  address.contact p { font-size: 1em; /* flex-direction: column; align-items: center; gap: 0.3rem; */ /* Uncomment if stacking needed */ }
  .bio p { max-width: 90%; } /* Adjust line length limit on small screens */
}