/* Reset & Normalize */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-md);
  font-weight: 300;
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Base Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-tight);
}

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

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

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

/* Layout System */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-md);
  flex: 1;
}

.page-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
}

/* Section Layouts */
.section {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.section-header {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* Profile Section */
.profile-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
}

/* Profile Section Styles */
.profile-photo-container {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
  border: 3px solid var(--color-primary);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-normal);
}

.profile-photo-container:hover {
  transform: scale(1.05);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-name {
  font-size: var(--font-size-xxl);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.profile-tagline {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Main Links Section */
.main-links-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Main Links Section Styles */
.links-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.link-button {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.link-button:hover {
  background-color: var(--color-primary);
  color: var(--color-background);
  transform: translateY(-2px);
}

.link-button i {
  margin-right: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.link-button .link-text {
  flex: 1;
}

.link-button .link-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

/* Social FAB Section */
.social-fab-section {
  position: fixed;
  right: var(--spacing-md);
  bottom: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: 1000;
}

/* Social FAB Styles */
.social-fab-button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-normal);
}

.social-fab-button:hover {
  transform: translateY(-2px);
  /* box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3); */
  /* color: var(--color-background) !important; */
  /* background-color: var(--color-primary) !important; */
}

.social-fab-button i {
  font-size: var(--font-size-lg);
}

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

/* Mobile First Media Queries */
@media (min-width: 576px) {
  .container {
    padding: var(--spacing-lg);
  }
  
  .page-grid {
    gap: var(--spacing-xxl);
  }
}

@media (min-width: 768px) {
  .container {
    padding: var(--spacing-xl);
  }
  
  .social-fab-section {
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
  }
}

@media (min-width: 992px) {
  .container {
    padding: var(--spacing-xxl);
  }
  
  .page-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  
  .profile-section {
    grid-column: 1 / -1;
  }
  
  .main-links-section {
    grid-column: 4 / -4;
  }
}

/* Loading States */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-surface);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--spacing-lg) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error States */
.error-message {
    background-color: var(--color-error);
    color: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    margin: var(--spacing-md) 0;
    text-align: center;
}

/* Content Transitions */
.profile-section,
.main-links-section,
.social-fab-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.profile-section.loaded,
.main-links-section.loaded,
.social-fab-section.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Link Button Animations */
.link-button {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal);
}

.link-button.loaded {
    opacity: 1;
    transform: translateY(0);
}

.link-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Social FAB Animations */
.social-fab-button {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal);
}

.social-fab-button.loaded {
    opacity: 1;
    transform: scale(1);
}

.social-fab-button:hover {
    transform: scale(1.5);
}

/* Profile Photo Animation */
.profile-photo-container {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.profile-photo-container.loaded {
    opacity: 1;
    transform: scale(1);
}