/* 
 * Robert Gutierrez Personal Website
 * Main Stylesheet
 */

/* ===== Variables ===== */
:root {
  /* Base font sizes */
  --font-size-base: 16px;
  --font-size-small: 0.875rem;
  --font-size-medium: 1rem;
  --font-size-large: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  --font-size-xxxl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  
  /* Border radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Container width */
  --container-width: 1200px;
  --container-padding: var(--spacing-md);
}

/* Light theme (default) */
.light-theme {
  --color-bg-primary: #e5e5e5;
  --color-bg-secondary: #f8f9fa;
  --color-bg-accent: #f8f9fa;
  
  --color-text-primary: #000000;

  --color-text-secondary: #14213d;
  --color-text-muted: #495057;
  
  --color-accent-primary: #fca311; 
  --color-accent-secondary: #fca311;
  --color-accent-hover: #e39200;
  
  --color-link: #14213d;
  --color-link-hover: #fca311;
  --color-link-visited: #14213d;
  
  --color-border: #dee2e6;
  --color-shadow: rgba(0, 0, 0, 0.1);
}

/* Dark theme */
.dark-theme {
  --color-bg-primary: #14213d;
  --color-bg-secondary: #000000;
  --color-bg-accent: #1c2e56;
  
  --color-text-primary: #e5e5e5;
  --color-text-secondary: #f8f9fa;
  --color-text-muted: #adb5bd;
  
  --color-accent-primary: #fca311;
  --color-accent-secondary: #fca311;
  --color-accent-hover: #e39200;
  
  --color-link: #fca311;
  --color-link-hover: #e39200;
  --color-link-visited: #fca311;
  
  --color-border: #495057;
  --color-shadow: rgba(0, 0, 0, 0.3);
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: background-color var(--transition-medium), color var(--transition-medium);
}

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

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-xxxl);
}

h2 {
  font-size: var(--font-size-xxl);
}

h3 {
  font-size: var(--font-size-xl);
}

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

/* ===== Layout ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.site-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-content {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* ===== Header ===== */
.site-header {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  font-size: var(--font-size-large);
  font-weight: bold;
  color: #14213d;
}

.site-logo:hover {
  color: var(--color-accent-primary);
}

.site-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav li {
  margin-left: var(--spacing-lg);
}

.site-nav a {
  color: #14213d;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--color-accent-primary);
}

/* Dark theme nav adjustments */
.dark-theme .site-nav a {
  color: #e5e5e5;
}

.dark-theme .site-logo {
  color: #e5e5e5;
}

/* ===== Footer ===== */
.site-footer {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links a {
  margin-left: var(--spacing-md);
}

/* ===== Home Page ===== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.hero-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--spacing-lg);
  border: 4px solid var(--color-accent-primary);
}

.hero-title {
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.hero-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.hero-links a {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-accent-primary);
  color: white;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
}

.hero-links a:hover {
  background-color: var(--color-accent-hover);
  color: white;
}

/* Email button with tooltip */
.email-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.email-button::after {
  content: "Email";
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  white-space: nowrap;
}

.email-button:hover::after {
  opacity: 1;
  visibility: visible;
}

.section {
  margin-bottom: var(--spacing-xl);
}

.section-title {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-accent-primary);
}

/* ===== Crypto Page ===== */
.crypto-wallets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.wallet-card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: 0 4px 6px var(--color-shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.wallet-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px var(--color-shadow);
}

.wallet-title {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.wallet-title h3 {
  margin-bottom: 0;
  margin-left: var(--spacing-sm);
}

.wallet-address {
  position: relative;
  background-color: var(--color-bg-accent);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-family: monospace;
  margin-bottom: var(--spacing-md);
  word-break: break-all;
}

.copy-button {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background-color: var(--color-accent-primary);
  color: white;
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-small);
}

.copy-button:hover {
  background-color: var(--color-accent-hover);
}

.wallet-qr {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.wallet-qr img {
  max-width: 200px;
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm);
  background-color: white;
}

/* ===== Theme Switcher ===== */
#theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  transition: background-color var(--transition-fast);
}

#theme-toggle:hover {
  background-color: var(--color-bg-accent);
}

.theme-toggle-icon {
  font-size: var(--font-size-medium);
}

.light-theme .theme-toggle-icon.dark,
.dark-theme .theme-toggle-icon.light {
  display: none;
}

/* ===== Responsive Styles ===== */
@media (max-width: 768px) {
  :root {
    --font-size-xxxl: 2.5rem;
    --font-size-xxl: 1.75rem;
    --font-size-xl: 1.25rem;
  }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .site-nav {
    margin-top: var(--spacing-md);
    width: 100%;
  }
  
  .site-nav ul {
    flex-wrap: wrap;
  }
  
  .site-nav li {
    margin-left: 0;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    margin-top: var(--spacing-md);
  }
  
  .footer-links a {
    margin-left: var(--spacing-sm);
    margin-right: var(--spacing-sm);
  }
  
  .hero-image {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 480px) {
  .crypto-wallets {
    grid-template-columns: 1fr;
  }
  
  .wallet-address {
    font-size: var(--font-size-small);
  }
}