/* ===== VARIABLES CSS ===== */
:root {
  /* Primary Colors */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Accent Colors */
  --accent-50: #ecfdf5;
  --accent-100: #d1fae5;
  --accent-200: #a7f3d0;
  --accent-300: #6ee7b7;
  --accent-400: #34d399;
  --accent-500: #10b981;
  --accent-600: #059669;
  --accent-700: #047857;
  --accent-800: #065f46;
  --accent-900: #064e3b;

  /* Neutral Colors */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Background Colors */
  --bg-primary: #030712;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-card: rgba(31, 41, 55, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.1);

  /* Text Colors */
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --text-accent: var(--primary-400);

  /* Border Colors */
  --border-primary: rgba(255, 255, 255, 0.1);
  --border-secondary: rgba(255, 255, 255, 0.05);
  --border-accent: var(--primary-500);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Spacing */
  --container-padding: clamp(1rem, 5vw, 2rem);
  --section-padding: clamp(4rem, 8vw, 8rem);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--primary-500);
  color: white;
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: 2rem;
}

.loading-text {
  color: var(--text-primary);
}

.loading-dot {
  color: var(--primary-500);
  animation: pulse 1.5s infinite;
}

.loading-bar {
  width: 200px;
  height: 2px;
  background: var(--border-primary);
  border-radius: 1px;
  overflow: hidden;
}

.loading-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
  width: 0;
  animation: loading-progress 2s ease-in-out infinite;
}

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

@keyframes loading-progress {
  0% { width: 0; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* ===== CURSOR ===== */
.cursor,
.cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: var(--z-tooltip);
  transition: transform 0.1s ease;
}

.cursor {
  width: 8px;
  height: 8px;
  background: var(--primary-500);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.cursor-follower {
  width: 32px;
  height: 32px;
  border: 1px solid var(--primary-500);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-secondary);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(3, 7, 18, 0.95);
  border-bottom-color: var(--border-primary);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav-logo {
  font-size: var(--text-xl);
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.logo-text {
  color: var(--text-primary);
}

.logo-accent {
  color: var(--primary-500);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-sm);
  position: relative;
  transition: color var(--transition-normal);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger-line {
  width: 1.5rem;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-normal);
}

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

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

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

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 8rem 0 4rem;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 2rem 2rem;
  animation: grid-move 20s linear infinite;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at top left, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(2rem, 2rem); }
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 2rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-badge i {
  color: var(--accent-500);
}

.hero-title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-highlight {
  background: linear-gradient(135deg, var(--primary-400), var(--accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 500px;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.code-editor {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  overflow: hidden;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  animation: float 6s ease-in-out infinite;
}

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

.editor-header {
  background: var(--bg-tertiary);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border-primary);
}

.editor-controls {
  display: flex;
  gap: 0.5rem;
}

.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.control-red { background: #ff5f57; }
.control-yellow { background: #ffbd2e; }
.control-green { background: #28ca42; }

.editor-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.editor-tab i {
  color: #f7df1e;
}

.editor-content {
  display: flex;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.line-numbers {
  background: var(--bg-tertiary);
  padding: 1rem 0.75rem;
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  font-size: var(--text-xs);
  color: var(--text-muted);
  user-select: none;
}

.code-area {
  padding: 1rem;
  flex: 1;
  overflow-x: auto;
}

.code-area pre {
  margin: 0;
}

/* Code Syntax Highlighting */
.keyword { color: #ff79c6; }
.variable { color: #8be9fd; }
.property { color: #50fa7b; }
.string { color: #f1fa8c; }
.operator { color: #ff79c6; }
.bracket { color: #f8f8f2; }
.punctuation { color: #6272a4; }

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  animation: float-delayed 8s ease-in-out infinite;
}

.floating-card:nth-child(1) {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.floating-card:nth-child(2) {
  top: 60%;
  left: -5%;
  animation-delay: 2s;
}

.floating-card:nth-child(3) {
  bottom: 20%;
  right: -15%;
  animation-delay: 4s;
}

.floating-card:nth-child(4) {
  bottom: 70%;
  left: -10%;
  animation-delay: 6s;
}

.floating-card i {
  font-size: var(--text-xl);
  color: var(--primary-400);
}

@keyframes float-delayed {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(2deg); }
  50% { transform: translateY(-30px) rotate(0deg); }
  75% { transform: translateY(-15px) rotate(-2deg); }
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.scroll-line {
  width: 1px;
  height: 2rem;
  background: linear-gradient(to bottom, var(--primary-500), transparent);
  animation: scroll-indicator 2s ease-in-out infinite;
}

@keyframes scroll-indicator {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

/* ===== SECTIONS GENERAL ===== */
section {
  padding: var(--section-padding) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 2rem;
  font-size: var(--text-sm);
  color: var(--text-accent);
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
}

.section-title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--bg-secondary);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at center top, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.text-block h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.text-block p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.achievement-metrics {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.metric {
  text-align: center;
}

.metric-number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary-400);
}

.metric-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.skills-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.skill-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg);
}

.skill-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.skill-icon i {
  font-size: var(--text-xl);
  color: white;
}

.skill-card h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.skill-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.skill-level {
  background: var(--bg-tertiary);
  height: 4px;
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
  width: 0;
  transition: width 1s ease;
  border-radius: 2px;
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.project-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-xl);
}

.project-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.project-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-icon i {
  font-size: var(--text-xl);
  color: white;
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}

.project-status {
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: var(--text-xs);
  font-weight: 600;
}

.project-status.live {
  background: var(--accent-500);
  color: white;
}

.project-status.development {
  background: var(--primary-500);
  color: white;
}

.project-date {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.project-content h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: 0.5rem;
}

.project-metrics .metric {
  text-align: center;
}

.project-metrics .metric-value {
  display: block;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--primary-400);
}

.project-metrics .metric-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.project-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.projects-footer {
  text-align: center;
}

.projects-footer p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* ===== SERVICES SECTION ===== */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
  position: relative;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-xl);
}

.service-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
}

.service-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.service-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon i {
  font-size: var(--text-xl);
  color: white;
}

.service-header h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.service-badge {
  position: absolute;
  top: -0.5rem;
  right: 0;
  padding: 0.25rem 0.75rem;
  background: var(--accent-500);
  color: white;
  border-radius: 1rem;
  font-size: var(--text-xs);
  font-weight: 600;
}

.service-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.feature i {
  color: var(--accent-500);
  font-size: var(--text-sm);
}

.feature span {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.service-pricing {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: 0.75rem;
}

.price-from {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.price-amount {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--primary-400);
  margin: 0.5rem 0;
}

.price-note {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.pricing-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.tier {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all var(--transition-normal);
}

.tier:hover {
  border-color: var(--border-accent);
}

.tier.featured-tier {
  border-color: var(--primary-500);
  transform: scale(1.05);
}

.tier-header {
  text-align: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-primary);
}

.tier-header h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.tier-price {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary-400);
}

.tier-features {
  list-style: none;
}

.tier-features li {
  padding: 0.5rem 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-secondary);
}

.tier-features li:last-child {
  border-bottom: none;
}

/* ===== FAQ SECTION ===== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(20px);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--border-accent);
}

.faq-question {
  width: 100%;
  padding: 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--text-lg);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-normal);
}

.faq-question:hover {
  background: var(--bg-glass-hover);
}

.faq-question i {
  color: var(--primary-500);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 1000px;
}

.answer-content {
  padding: 0 1.5rem 1.5rem;
}

.answer-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.answer-content ul {
  list-style: none;
  padding-left: 0;
}

.answer-content li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.answer-content li::before {
  content: '•';
  color: var(--primary-500);
  position: absolute;
  left: 0;
}

.answer-content strong {
  color: var(--text-primary);
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-intro h3 {
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.contact-intro p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 0.75rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.contact-method:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.method-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.method-icon i {
  color: white;
  font-size: var(--text-lg);
}

.method-content h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.method-value {
  color: var(--text-accent);
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-normal);
}

.method-value:hover {
  color: var(--primary-400);
}

.method-note {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.contact-cta {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 0.75rem;
  backdrop-filter: blur(10px);
}

.contact-cta p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.contact-form {
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(20px);
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
}

.form-header h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-header p {
  color: var(--text-secondary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  color: #ef4444;
  font-size: var(--text-sm);
  margin-top: 0.25rem;
  display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: #ef4444;
}

.form-group.error .form-error {
  display: block;
}

.submit-btn {
  width: 100%;
  position: relative;
}

.btn-loading {
  display: none;
}

.submit-btn.loading .btn-text {
  display: none;
}

.submit-btn.loading .btn-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Honeypot field - Oculto para usuarios reales, visible para bots */
.honeypot {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  width: 0 !important;
  height: 0 !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  tab-index: -1 !important;
}

.form-footer {
  text-align: center;
  margin-top: 1rem;
}

.form-footer p {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-secondary);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  gap: 3rem;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-tagline {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.footer-stats {
  display: flex;
  gap: 2rem;
}

.footer-stats .stat {
  text-align: center;
}

.footer-stats .stat-number {
  display: block;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--primary-400);
}

.footer-stats .stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.nav-column h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.nav-column ul {
  list-style: none;
}

.nav-column li {
  margin-bottom: 0.5rem;
}

.nav-column a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.nav-column a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-secondary);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.footer-social a:hover {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: white;
  transform: translateY(-2px);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.footer-legal p {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-normal);
}

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

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  border: none;
  border-radius: 50%;
  color: white;
  font-size: var(--text-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* ===== MODAL ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  max-width: 600px;
  margin: 2rem auto;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 1rem;
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  backdrop-filter: blur(20px);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-primary);
}

.modal-header h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--text-lg);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.25rem;
  transition: all var(--transition-normal);
}

.modal-close:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

/* ===== NOTIFICATIONS ===== */
.notification-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.notification {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  transform: translateX(400px);
  transition: transform var(--transition-normal);
  max-width: 350px;
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  border-color: var(--accent-500);
}

.notification.error {
  border-color: #ef4444;
}

.notification-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.notification-content i {
  font-size: var(--text-lg);
}

.notification.success i {
  color: var(--accent-500);
}

.notification.error i {
  color: #ef4444;
}

.notification-content span {
  color: var(--text-primary);
  font-size: var(--text-sm);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .project-card.featured {
    grid-column: 1;
    grid-template-columns: 1fr;
  }

  .pricing-tiers {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --section-padding: 3rem;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 4rem;
    left: -100%;
    width: 100%;
    height: calc(100vh - 4rem);
    background: rgba(3, 7, 18, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: left var(--transition-normal);
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-stats {
    justify-content: center;
  }

  .skills-showcase {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .floating-elements {
    display: none;
  }

  .cursor,
  .cursor-follower {
    display: none;
  }

  .achievement-metrics {
    justify-content: center;
  }

  .project-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
  }

  .notification-container {
    left: 1rem;
    right: 1rem;
  }

  .notification {
    max-width: none;
  }
}

/* ===== ANIMATIONS ===== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-accent);
}

/* ===== UTILITIES ===== */
.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;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-400), var(--accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}