/**
 * Portfolio Stylesheet for Felipe del Águila (flpzz11.github.io)
 * Contemporary Typography, Light Theme (#f4f3ee), Glassmorphism, and responsive CSS Grid.
 */

:root {
  /* Color Palette (Light Theme with Slate, Cyan & Emerald) */
  --bg-dark: #f4f3ee;       /* Soft warm off-white */
  --bg-card: #ffffff;       /* Pure white card */
  --border-color: #e2e8f0;  /* Soft grey border */
  --text-primary: #1e293b;  /* Dark slate primary text */
  --text-secondary: #475569;/* Slate grey secondary text */
  
  --primary: #0891b2;       /* Contemporary Cyan */
  --primary-hover: #0e7490;
  --secondary: #10b981;     /* Emerald/Mint */
  --secondary-hover: #059669;
  
  --glass-bg: rgba(244, 243, 238, 0.85);
  --glass-border: rgba(0, 0, 0, 0.06);
  
  /* Contemporary Fonts */
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Transitions */
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 1. Navbar (Glassmorphic Light) */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #3D1C54;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  height: 36px;
  width: 36px;
  object-fit: contain;
  border-radius: 8px;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.nav-link:hover {
  color: #22d3ee;
}

.nav-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 18px;
  border-radius: 20px;
  color: #ffffff;
}

.nav-btn:hover {
  background: #ffffff;
  color: #3D1C54;
  border-color: #ffffff;
}

/* 2. Hero Section */
.hero-section {
  padding-top: 130px;
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
}

/* Background Gradients */
.hero-section::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.06) 0%, rgba(244, 243, 238, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
}

.hero-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--secondary);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.15);
  padding: 6px 12px;
  border-radius: 30px;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 600px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  border-radius: 30px;
  padding: 12px 28px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(8, 145, 178, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8, 145, 178, 0.35);
  background: var(--primary-hover);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  gap: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.btn-secondary:hover {
  background: #fafafa;
  border-color: #cbd5e1;
  transform: translateY(-2px);
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 13px;
}

/* Hero Illustration Gimmick */
.hero-illustration {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.illustration-sphere {
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.15) 0%, rgba(16, 185, 129, 0.15) 100%);
  border-radius: 50%;
  filter: blur(40px);
  position: absolute;
  animation: spherePulse 6s infinite alternate ease-in-out;
}

@keyframes spherePulse {
  0% { transform: scale(0.9); filter: blur(30px); }
  100% { transform: scale(1.1); filter: blur(50px); }
}

.illustration-card-mockup {
  width: 360px;
  height: 360px;
  aspect-ratio: 1 / 1;
  background: #0f172a; /* Dark IDE mockup contrast */
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.25);
  z-index: 1;
  animation: floatCard 4s infinite alternate ease-in-out;
  display: flex;
  flex-direction: column;
}

@keyframes floatCard {
  0% { transform: translateY(0); }
  100% { transform: translateY(-15px); }
}

.card-header-mock {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.card-body-mock {
  flex-grow: 1;
  position: relative;
  width: 100%;
  border-radius: 12px;
  background: #090d16;
  overflow: hidden;
}

#dither-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* 3. Applications Grid */
.app-section {
  padding: 100px 0;
  border-top: 1px solid var(--border-color);
  background: #eae8e1; /* Slightly darker warm tone for section contrast */
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

/* App Card styling (Light Premium Card) */
.app-card {
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,0.04);
  border-radius: 24px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 100% 0%, rgba(8, 145, 178, 0.03) 0%, rgba(255, 255, 255, 0) 50%);
  pointer-events: none;
}

.app-card:hover {
  transform: translateY(-8px);
  border-color: rgba(8, 145, 178, 0.15);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05), 0 0 1px rgba(8, 145, 178, 0.1);
}

.app-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.app-icon-container {
  width: 48px;
  height: 48px;
  background: rgba(8, 145, 178, 0.08);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-icon {
  width: 24px;
  height: 24px;
}

.app-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  background: #f1f5f9;
  padding: 4px 10px;
  border-radius: 12px;
}

.app-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.app-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  flex-grow: 1;
  line-height: 1.6;
}

.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.app-tags span {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(8, 145, 178, 0.05);
  padding: 4px 10px;
  border-radius: 6px;
}

/* Disabled/Upcoming Card */
.card-disabled {
  opacity: 0.65;
}

.card-disabled:hover {
  transform: none;
  border-color: rgba(0,0,0,0.04);
  box-shadow: none;
}

.card-disabled .app-icon-container {
  background: #f1f5f9;
  color: var(--text-secondary);
}

.card-disabled .app-tags span {
  color: var(--text-secondary);
  background: #f1f5f9;
}

/* 4. Contact Section (Dark Contrast Card Anchor) */
.contact-section {
  padding: 100px 0;
  background: var(--bg-dark);
}

.contact-card {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 30px;
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.15);
  color: #ffffff;
}

.contact-title {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.contact-desc {
  font-size: 15px;
  color: #94a3b8;
  max-width: 540px;
  margin: 0 auto 36px auto;
  position: relative;
  z-index: 1;
}

.contact-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* 5. Footer */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  background: #eae8e1;
  text-align: center;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer p {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-meta {
  font-size: 11px !important;
  opacity: 0.6;
}

/* 6. Intersection Observer Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Rules */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-content {
    order: 1;
  }
  
  .hero-illustration {
    order: 0;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-title {
    font-size: 38px;
  }
}

@media (max-width: 600px) {
  .navbar-container {
    height: 60px;
  }
  
  .nav-menu {
    gap: 16px;
  }
  
  .nav-link {
    font-size: 13px;
  }
  
  .nav-btn {
    padding: 6px 12px;
  }

  .hero-section {
    padding-top: 120px;
    padding-bottom: 60px;
  }
  
  .hero-title {
    font-size: 30px;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }
  
  .contact-card {
    padding: 40px 20px;
  }
  
  .contact-title {
    font-size: 24px;
  }
}