/* BRUTALISM DESIGN SYSTEM - OPTIMIZED */
:root {
  /* Core Colors */
  --brutal-black: #000000;
  --brutal-white: #ffffff;
  --brutal-red: #ff0000;
  --brutal-yellow: #ffff00;
  --brutal-blue: #0000ff;
  --brutal-green: #00ff00;
  --brutal-orange: #ff8000;
  --brutal-purple: #8000ff;
  --brutal-pink: #ff00ff;
  
  /* Grayscale */
  --brutal-gray-100: #f5f5f5;
  --brutal-gray-200: #e0e0e0;
  --brutal-gray-300: #cccccc;
  --brutal-gray-400: #999999;
  --brutal-gray-500: #666666;
  --brutal-gray-600: #333333;
  --brutal-gray-700: #1a1a1a;
  
  /* Typography */
  --font-primary: 'Space Grotesk', 'Arial Black', sans-serif;
  --font-secondary: 'Inter', 'Helvetica', sans-serif;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Effects */
  --brutal-shadow: 8px 8px 0px var(--brutal-black);
  --brutal-shadow-sm: 4px 4px 0px var(--brutal-black);
  --brutal-shadow-lg: 12px 12px 0px var(--brutal-black);
  
  /* Borders */
  --border-thick: 4px solid var(--brutal-black);
  --border-medium: 3px solid var(--brutal-black);
  --border-thin: 2px solid var(--brutal-black);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background: var(--brutal-white);
  color: var(--brutal-black);
  line-height: 1.4;
  font-weight: 600;
  overflow-x: hidden;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 6rem);
  line-height: 0.9;
}

h2 {
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 0.95;
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1;
}

p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 500;
  line-height: 1.3;
}

.text-highlight {
  color: var(--brutal-red);
  text-shadow: 2px 2px 0px var(--brutal-black);
}

.about-intro {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  font-family: var(--font-primary);
  font-weight: 900;
  text-transform: uppercase;
}

/* LAYOUT */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

/* NAVIGATION */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--brutal-yellow);
  border-bottom: var(--border-thick);
  z-index: 1000;
  padding: var(--spacing-md) 0;
}

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

.logo {
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 900;
  color: var(--brutal-black);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  transform: rotate(-2deg);
  transition: transform 0.2s ease;
}

.logo:hover {
  transform: rotate(2deg) scale(1.05);
  color: var(--brutal-red);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--brutal-black);
  text-decoration: none;
  text-transform: uppercase;
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-medium);
  background: var(--brutal-white);
  box-shadow: var(--brutal-shadow-sm);
  transition: all 0.2s ease;
  transform: rotate(1deg);
}

.nav-link:hover,
.nav-link.active {
  background: var(--brutal-red);
  color: var(--brutal-white);
  transform: rotate(-1deg) translateY(-2px);
  box-shadow: var(--brutal-shadow);
}

.mobile-toggle {
  display: none;
  background: var(--brutal-black);
  color: var(--brutal-white);
  border: none;
  padding: var(--spacing-sm);
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO SECTION */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--brutal-white);
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    var(--brutal-gray-100) 10px,
    var(--brutal-gray-100) 20px
  );
  opacity: 0.3;
  z-index: -1;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  background: var(--brutal-pink);
  color: var(--brutal-black);
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-medium);
  font-family: var(--font-primary);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--spacing-lg);
  transform: rotate(-2deg);
  box-shadow: var(--brutal-shadow-sm);
}

.hero-title {
  margin-bottom: var(--spacing-lg);
  line-height: 0.85;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  color: var(--brutal-gray-600);
  max-width: 600px;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  text-decoration: none;
  border: var(--border-thick);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--brutal-shadow);
}

.btn-primary {
  background: var(--brutal-red);
  color: var(--brutal-white);
  transform: rotate(-1deg);
}

.btn-primary:hover {
  background: var(--brutal-black);
  transform: rotate(1deg) translateY(-4px);
  box-shadow: var(--brutal-shadow-lg);
}

.btn-secondary {
  background: var(--brutal-yellow);
  color: var(--brutal-black);
  transform: rotate(1deg);
}

.btn-secondary:hover {
  background: var(--brutal-blue);
  color: var(--brutal-white);
  transform: rotate(-1deg) translateY(-4px);
  box-shadow: var(--brutal-shadow-lg);
}

/* PROFILE SECTION */
.profile-section {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.profile-container {
  position: relative;
  width: 400px;
  height: 400px;
}

.profile-bg {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 100%;
  height: 100%;
  background: var(--brutal-blue);
  border: var(--border-thick);
  transform: rotate(5deg);
  z-index: 1;
}

.profile-image {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: var(--border-thick);
  z-index: 2;
  background: var(--brutal-white);
}

.floating-tech {
  position: absolute;
  background: var(--brutal-green);
  color: var(--brutal-black);
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-medium);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  box-shadow: var(--brutal-shadow-sm);
  z-index: 3;
}

.floating-tech:nth-child(3) {
  top: -20px;
  left: -30px;
  transform: rotate(-10deg);
  background: var(--brutal-orange);
}

.floating-tech:nth-child(4) {
  top: 50px;
  right: -40px;
  transform: rotate(15deg);
  background: var(--brutal-purple);
  color: var(--brutal-white);
}

.floating-tech:nth-child(5) {
  bottom: -10px;
  left: 50px;
  transform: rotate(-5deg);
  background: var(--brutal-pink);
}

/* CARDS */
.brutal-card {
  background: var(--brutal-white);
  border: var(--border-thick);
  box-shadow: var(--brutal-shadow);
  padding: var(--spacing-xl);
  transform: rotate(-1deg);
  transition: all 0.3s ease;
}

.brutal-card:hover {
  transform: rotate(1deg) translateY(-8px);
  box-shadow: var(--brutal-shadow-lg);
}

.brutal-card:nth-child(even) {
  transform: rotate(1deg);
  background: var(--brutal-gray-100);
}

.brutal-card:nth-child(even):hover {
  transform: rotate(-1deg) translateY(-8px);
}

/* SECTIONS */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 8px;
  background: var(--brutal-red);
  border: 2px solid var(--brutal-black);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--brutal-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* CERTIFICATES */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.certificate-card {
  text-align: center;
}

.certificate-image {
  width: 100%;
  height: 200px;
  object-fit: contain;
  object-position: center;
  border: var(--border-medium);
  margin-bottom: var(--spacing-md);
  background: var(--brutal-white);
}

.certificate-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--brutal-black);
}

.view-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--brutal-black);
  color: var(--brutal-white);
  text-decoration: none;
  font-family: var(--font-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  border: var(--border-medium);
  box-shadow: var(--brutal-shadow-sm);
  transition: all 0.2s ease;
}

.view-btn:hover {
  background: var(--brutal-red);
  transform: translateY(-2px);
  box-shadow: var(--brutal-shadow);
}

/* SKILLS */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--brutal-yellow);
  border: var(--border-medium);
  box-shadow: var(--brutal-shadow-sm);
  font-weight: 600;
  transform: rotate(-1deg);
  transition: all 0.3s ease;
}

.skill-item:nth-child(even) {
  background: var(--brutal-green);
  transform: rotate(1deg);
}

.skill-item:hover {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: var(--brutal-shadow);
}

.skill-icon {
  font-size: 1.5rem;
  color: var(--brutal-black);
}

/* SOCIAL LINKS */
.social-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xl);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--brutal-black);
  color: var(--brutal-white);
  border: var(--border-medium);
  text-decoration: none;
  font-size: 1.5rem;
  box-shadow: var(--brutal-shadow-sm);
  transition: all 0.2s ease;
  transform: rotate(-5deg);
}

.social-link:hover {
  background: var(--brutal-red);
  transform: rotate(5deg) translateY(-4px);
  box-shadow: var(--brutal-shadow);
}

.social-link:nth-child(even) {
  transform: rotate(5deg);
}

.social-link:nth-child(even):hover {
  transform: rotate(-5deg) translateY(-4px);
}

/* WHATSAPP FLOAT */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 70px;
  height: 70px;
  background: var(--brutal-green);
  color: var(--brutal-black);
  border: var(--border-thick);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  text-decoration: none;
  box-shadow: var(--brutal-shadow);
  z-index: 1000;
  transform: rotate(-10deg);
  transition: all 0.3s ease;
}

.whatsapp-float:hover {
  transform: rotate(10deg) scale(1.1);
  background: var(--brutal-yellow);
  box-shadow: var(--brutal-shadow-lg);
}

/* FOOTER */
.footer {
  background: var(--brutal-black);
  color: var(--brutal-white);
  text-align: center;
  padding: var(--spacing-xl) 0;
  border-top: var(--border-thick);
  border-color: var(--brutal-white);
}

.footer-subtitle {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

/* LOADING SCREEN */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--brutal-black) 0%, var(--brutal-gray-700) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading.hidden {
  opacity: 0;
  pointer-events: none;
}

/* SIMPLE CIRCLE SPINNER */
.spinner {
  position: relative;
  width: 100px;
  height: 100px;
  margin-bottom: 30px;
  border: 8px solid var(--brutal-gray-300);
  border-top: 8px solid var(--brutal-red);
  border-right: 8px solid var(--brutal-yellow);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-shadow: var(--brutal-shadow);
}

/* Loading text */
.loading-text {
  color: var(--brutal-white);
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  animation: pulse 1.5s ease-in-out infinite;
  text-shadow: 3px 3px 0px var(--brutal-black);
}

.loading-dots {
  display: inline-block;
  animation: dots 2s steps(4, end) infinite;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60% { content: '...'; }
  80%, 100% { content: ''; }
}

/* ANIMATIONS */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }
  
  .profile-container {
    width: 300px;
    height: 300px;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--brutal-yellow);
    border-top: var(--border-thick);
    flex-direction: column;
    padding: var(--spacing-lg);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .cta-buttons {
    justify-content: center;
  }
  
  .certificates-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-container {
    padding: 0 var(--spacing-md);
  }
  
  .profile-container {
    width: 250px;
    height: 250px;
  }
  
  .floating-tech {
    font-size: 0.8rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}