/* =============================================
   PORTFOLIO - MIQUEAS QUINTANILLA
   Main Stylesheet
   ============================================= */

/* ============================================= 
   Variables & Root 
   ============================================= */
:root {
  /* Primary Colors - Mining Theme */
  --copper: #b87333;
  --copper-light: #d4915c;
  --copper-dark: #8b5a2b;
  
  /* Background Colors */
  --carbon-black: #0a0e1a;
  --carbon-deep: #060810;
  --graphite: #1f2937;
  --graphite-light: #374151;
  
  /* Tech Colors */
  --cyan-tech: #06b6d4;
  --cyan-light: #22d3ee;
  --violet-tech: #8b5cf6;
  --emerald: #10b981;
  --gold: #f59e0b;
  
  /* Text Colors */
  --text-primary: #e5e7eb;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Utility Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Typography */
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.25);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 20px rgba(184, 115, 51, 0.3);
  
  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
}

/* Light Theme */
[data-theme="light"] {
  --carbon-black: #ffffff;
  --carbon-deep: #f9fafb;
  --graphite: #f3f4f6;
  --graphite-light: #e5e7eb;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 20px rgba(184, 115, 51, 0.2);
}

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

*::before,
*::after {
  box-sizing: inherit;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--carbon-black);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-base);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--graphite);
}

::-webkit-scrollbar-thumb {
  background: var(--copper);
  border-radius: 5px;
  transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--copper-light);
}

/* Selection */
::selection {
  background-color: var(--copper);
  color: white;
}

/* ============================================= 
   Typography 
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.25rem); }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  line-height: 1.8;
}

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

a:hover {
  color: var(--cyan-light);
}

/* ============================================= 
   Utilities 
   ============================================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.text-gradient {
  background: linear-gradient(135deg, var(--copper) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.highlight {
  color: var(--cyan-tech);
  font-weight: 600;
}

.highlight-number {
  color: var(--gold);
  font-weight: 700;
  font-size: 1.1em;
}

/* ============================================= 
   Loading Screen 
   ============================================= */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--carbon-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.mining-loader {
  text-align: center;
}

.spinning-gem {
  font-size: 3rem;
  color: var(--copper);
  animation: spin 2s linear infinite;
}

.progress-bar {
  width: 200px;
  height: 4px;
  background: var(--graphite);
  border-radius: 2px;
  overflow: hidden;
  margin: var(--space-lg) auto;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--copper) 0%, var(--gold) 100%);
  animation: progress 2s ease-in-out;
}

.loader-text {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes progress {
  from { width: 0; }
  to { width: 100%; }
}

/* ============================================= 
   Navigation 
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(184, 115, 51, 0.1);
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.95);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: transform var(--transition-fast);
}

.nav-brand:hover {
  transform: translateY(-2px);
  color: var(--copper);
}

.brand-icon {
  font-size: 1.8rem;
  animation: pulse 2s ease-in-out infinite;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.nav-link i {
  font-size: 0.9rem;
  opacity: 0.7;
}

.nav-link span {
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--copper) 0%, var(--gold) 100%);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(184, 115, 51, 0.1);
}

.nav-link:hover::before {
  transform: translateX(0);
}

.nav-link.active {
  color: var(--copper);
  background: rgba(184, 115, 51, 0.15);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.theme-toggle,
.terminal-toggle {
  background: transparent;
  border: 2px solid var(--graphite-light);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover,
.terminal-toggle:hover {
  border-color: var(--copper);
  color: var(--copper);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
  display: block;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ============================================= 
   Hero Section 
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--carbon-deep) 0%, var(--carbon-black) 100%);
}

#particlesCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--border-radius-xl);
  color: var(--emerald);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--emerald);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  margin-bottom: var(--space-lg);
  animation: slideInLeft 0.8s ease-out;
}

.greeting {
  display: block;
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.name {
  display: block;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--copper) 0%, var(--gold) 50%, var(--cyan-tech) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--copper) 0%, var(--gold) 50%, var(--cyan-tech) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glitch::before {
  animation: glitch1 0.3s infinite;
  color: var(--cyan-tech);
}

.glitch::after {
  animation: glitch2 0.3s infinite;
  color: var(--copper);
}

@keyframes glitch1 {
  0%, 100% { clip: rect(42px, 9999px, 44px, 0); }
  50% { clip: rect(12px, 9999px, 59px, 0); }
}

@keyframes glitch2 {
  0%, 100% { clip: rect(85px, 9999px, 140px, 0); }
  50% { clip: rect(78px, 9999px, 93px, 0); }
}

.hero-subtitle {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--cyan-tech);
  margin-bottom: var(--space-lg);
}

.role-prefix {
  color: var(--copper);
  margin-right: var(--space-sm);
}

.cursor {
  animation: blink 1s infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  animation: slideInLeft 1s ease-out 0.2s backwards;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  animation: slideInLeft 1.2s ease-out 0.4s backwards;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--copper);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: slideInLeft 1.4s ease-out 0.6s backwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left var(--transition-base);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--copper) 0%, var(--copper-dark) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--graphite-light);
}

.btn-secondary:hover {
  background: var(--graphite);
  border-color: var(--copper);
  color: var(--copper);
}

.btn-icon {
  width: 50px;
  height: 50px;
  padding: 0;
  border-radius: 50%;
  background: rgba(184, 115, 51, 0.1);
  border: 2px solid var(--copper);
  color: var(--copper);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--copper);
  color: white;
  transform: scale(1.1) rotate(90deg);
}

.hero-visual {
  position: relative;
  animation: slideInRight 1s ease-out;
}

.floating-cards {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.card-tech {
  position: absolute;
  background: rgba(31, 41, 55, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(184, 115, 51, 0.3);
  border-radius: var(--border-radius-md);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}

.card-tech i {
  font-size: 1.25rem;
}

.card-tech.python {
  top: 10%;
  left: 0;
  color: var(--cyan-tech);
  animation-delay: 0s;
}

.card-tech.ml {
  top: 30%;
  right: 0;
  color: var(--violet-tech);
  animation-delay: 0.5s;
}

.card-tech.mining {
  bottom: 30%;
  left: -20px;
  color: var(--copper);
  animation-delay: 1s;
}

.card-tech.data {
  bottom: 10%;
  right: 20px;
  color: var(--gold);
  animation-delay: 1.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.hero-image {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-frame {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--copper) 0%, var(--gold) 100%);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  animation: morph 8s ease-in-out infinite;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes morph {
  0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  50% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
}

.image-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(184, 115, 51, 0.3) 0%, transparent 70%);
  filter: blur(40px);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-secondary);
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator span {
  display: block;
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================= 
   Sections 
   ============================================= */
section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-number {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(184, 115, 51, 0.1);
  border: 1px solid rgba(184, 115, 51, 0.3);
  border-radius: var(--border-radius-xl);
  color: var(--copper);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.title-icon {
  font-size: 2rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================= 
   Additional Sections Styles 
   ============================================= */
/* These will continue in the animations.css and responsive.css files */

/* ============================================= 
   Terminal Modal 
   ============================================= */
.terminal-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--transition-base);
}

.terminal-modal.active {
  display: flex;
}

.terminal-container {
  width: 90%;
  max-width: 800px;
  height: 500px;
  background: var(--carbon-deep);
  border: 1px solid var(--copper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  animation: slideInUp var(--transition-base);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--graphite);
  border-bottom: 1px solid var(--copper);
}

.terminal-title {
  color: var(--copper);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.terminal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.25rem;
  transition: color var(--transition-fast);
}

.terminal-close:hover {
  color: var(--danger);
}

.terminal-body {
  flex: 1;
  padding: var(--space-md);
  overflow-y: auto;
  font-family: var(--font-mono);
}

.terminal-output {
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.terminal-welcome {
  color: var(--emerald);
  margin-bottom: var(--space-md);
}

.terminal-input-line {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.terminal-prompt {
  color: var(--copper);
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  outline: none;
}

/* ============================================= 
   Back to Top Button 
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--copper);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--copper-light);
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

/* ============================================= 
   Footer 
   ============================================= */
.footer {
  background: var(--carbon-deep);
  border-top: 1px solid rgba(184, 115, 51, 0.1);
  padding: var(--space-2xl) 0 var(--space-xl);
  margin-top: var(--space-3xl);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--graphite);
}

.footer-brand h3 {
  color: var(--copper);
  margin-bottom: var(--space-xs);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--copper);
}

.footer-bottom {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-bottom i {
  color: var(--danger);
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-50px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(50px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}