@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   CSS VARIABLES & DESIGN TOKENS (LIGHT & DARK THEMES)
   ========================================================================== */
:root {
  color-scheme: light dark;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Fallback Theme Variables (Default to Light Mode) */
  --bg-primary: #ffffff;
  --bg-secondary: #f9f9fb;
  --text-primary: #111111;
  --text-secondary: #666666;
  --border-color: #e5e5ea;
  
  --accent-color: #000000;
  --accent-text: #ffffff;
  --accent-hover: #222222;
  
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(229, 229, 234, 0.5);
  
  --scrollbar-track: #f1f1f1;
  --scrollbar-thumb: #c1c1c1;
  --scrollbar-thumb-hover: #a8a8a8;
  
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  --card-shadow-hover: 0 12px 30px rgba(0, 0, 0, 0.1);
  --badge-bg: #f0f0f2;
  --badge-text: #333333;
}

/* Fallback Media Query for Dark Mode (only if data-theme is not set) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border-color: #2c2c2e;
    
    --accent-color: #ffffff;
    --accent-text: #000000;
    --accent-hover: #e5e5ea;
    
    --glass-bg: rgba(10, 10, 10, 0.75);
    --glass-border: rgba(44, 44, 46, 0.5);
    
    --scrollbar-track: #151515;
    --scrollbar-thumb: #424242;
    --scrollbar-thumb-hover: #4f4f4f;
    
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 12px 35px rgba(0, 0, 0, 0.5);
    --badge-bg: #1c1c1e;
    --badge-text: #eaeaea;
  }
}

/* Forced Light Mode (via Javascript) */
:root[data-theme="light"] {
  color-scheme: light;
  --bg-primary: #ffffff;
  --bg-secondary: #f9f9fb;
  --text-primary: #111111;
  --text-secondary: #666666;
  --border-color: #e5e5ea;
  
  --accent-color: #000000;
  --accent-text: #ffffff;
  --accent-hover: #222222;
  
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(229, 229, 234, 0.5);
  
  --scrollbar-track: #f1f1f1;
  --scrollbar-thumb: #c1c1c1;
  --scrollbar-thumb-hover: #a8a8a8;
  
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  --card-shadow-hover: 0 12px 30px rgba(0, 0, 0, 0.1);
  --badge-bg: #f0f0f2;
  --badge-text: #333333;
}

/* Forced Dark Mode (via Javascript) */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg-primary: #0a0a0a;
  --bg-secondary: #121212;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --border-color: #2c2c2e;
  
  --accent-color: #ffffff;
  --accent-text: #000000;
  --accent-hover: #e5e5ea;
  
  --glass-bg: rgba(10, 10, 10, 0.75);
  --glass-border: rgba(44, 44, 46, 0.5);
  
  --scrollbar-track: #151515;
  --scrollbar-thumb: #424242;
  --scrollbar-thumb-hover: #4f4f4f;
  
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 12px 35px rgba(0, 0, 0, 0.5);
  --badge-bg: #1c1c1e;
  --badge-text: #eaeaea;
}

/* Apply light-dark() CSS variables where supported for instant switching */
@supports (color: light-dark(white, black)) {
  :root {
    --bg-primary: light-dark(#ffffff, #0a0a0a);
    --bg-secondary: light-dark(#f9f9fb, #121212);
    --text-primary: light-dark(#111111, #f5f5f7);
    --text-secondary: light-dark(#666666, #a1a1a6);
    --border-color: light-dark(#e5e5ea, #2c2c2e);
    
    --accent-color: light-dark(#000000, #ffffff);
    --accent-text: light-dark(#ffffff, #000000);
    --accent-hover: light-dark(#222222, #e5e5ea);
    
    --glass-bg: light-dark(rgba(255, 255, 255, 0.75), rgba(10, 10, 10, 0.75));
    --glass-border: light-dark(rgba(229, 229, 234, 0.5), rgba(44, 44, 46, 0.5));
    
    --scrollbar-track: light-dark(#f1f1f1, #151515);
    --scrollbar-thumb: light-dark(#c1c1c1, #424242);
    --scrollbar-thumb-hover: light-dark(#a8a8a8, #4f4f4f);
    
    --card-shadow: light-dark(0 4px 20px rgba(0, 0, 0, 0.05), 0 4px 20px rgba(0, 0, 0, 0.3));
    --card-shadow-hover: light-dark(0 12px 30px rgba(0, 0, 0, 0.1), 0 12px 35px rgba(0, 0, 0, 0.5));
    --badge-bg: light-dark(#f0f0f2, #1c1c1e);
    --badge-text: light-dark(#333333, #eaeaea);
  }
}

/* Apply scrollbar colors dynamically */
:root {
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Scrollbars styling for non-supporting browsers */
@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  ::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
  ::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
  }
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

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

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-icon-small {
  height: 28px;
  width: auto;
  filter: grayscale(1);
  transition: filter 0.3s ease;
}

.logo-link:hover .logo-icon-small {
  filter: grayscale(0);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding: 6rem 2rem 4rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.logo-container {
  position: relative;
  margin-bottom: 2.5rem;
  animation: float 6s ease-in-out infinite;
}

.logo-large {
  width: 200px;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  border: 4px solid var(--border-color);
  background-color: #fff; /* White base background so the png always looks perfect */
  transition: border-color 0.3s ease, transform 0.3s ease;
}

:root[data-theme="dark"] .logo-large {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--accent-text);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

/* ==========================================================================
   PORTFOLIO (APLICACIONES) SECTION
   ========================================================================== */
.section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  margin-bottom: 3.5rem;
  text-align: center;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

.app-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.3s ease, 
              box-shadow 0.3s ease;
}

.app-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-color);
  box-shadow: var(--card-shadow-hover);
}

.app-info-top {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.app-icon-placeholder {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background-color: var(--accent-color);
  color: var(--accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* App-specific custom colors to match theme but stay within dark/light */
.app-oro {
  border-left: 4px solid #d4af37; /* Subtle Gold line for Oro Colombia */
}
.app-oro .app-icon-placeholder {
  background: linear-gradient(135deg, #d4af37 0%, #aa7c11 100%);
  color: #fff;
}

.app-aquarium {
  border-left: 4px solid #4a90e2; /* Subtle Aqua line for Acuarismo */
}
.app-aquarium .app-icon-placeholder {
  background: linear-gradient(135deg, #4a90e2 0%, #1c4b82 100%);
  color: #fff;
}

.app-details h3 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.status-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.app-description {
  color: var(--text-secondary);
  font-size: 0.975rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.app-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.app-features li {
  font-size: 0.9rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.app-features li::before {
  content: "•";
  color: var(--text-secondary);
  font-weight: bold;
}

/* ==========================================================================
   ABOUT (QUIÉNES SOMOS) SECTION
   ========================================================================== */
.about-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 4rem 2rem;
}

.about-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

/* ==========================================================================
   PRIVACY POLICY PAGE STYLES
   ========================================================================== */
.policy-container {
  max-width: 800px;
  margin: 4rem auto;
  padding: 0 2rem;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 3rem;
}

.btn-back:hover {
  color: var(--text-primary);
  transform: translateX(-4px);
}

.policy-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.policy-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.policy-header .last-updated {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.policy-body {
  font-size: 1rem;
  line-height: 1.75;
}

.policy-body h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.policy-body p {
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.policy-body ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  background-color: var(--bg-primary);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  justify-content: center;
}

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

.copyright {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

/* ==========================================================================
   CLICKABLE APP CARD LINK
   ========================================================================== */
.app-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
}
.app-card:hover .app-link {
  color: var(--text-primary);
}
.app-link svg {
  transition: transform 0.2s ease;
}
.app-card:hover .app-link svg {
  transform: translateX(4px);
}

/* ==========================================================================
   APP DETAIL PAGE (e.g. /aquakeep)
   ========================================================================== */
.app-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.5rem 2rem 0;
}

.app-hero {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2rem 0 3.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 3.5rem;
}

.app-hero-icon {
  width: 116px;
  height: 116px;
  border-radius: 26px;
  box-shadow: var(--card-shadow-hover);
  flex-shrink: 0;
}

.app-hero-text {
  flex: 1;
  min-width: 280px;
}

.app-hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 0.6rem;
}

.app-hero-tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  max-width: 620px;
}

.badge-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.aqua-accent { color: #4a90e2; }

.lead {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-secondary);
  border-left: 4px solid #4a90e2;
  padding-left: 1.5rem;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: #4a90e2;
  box-shadow: var(--card-shadow-hover);
}

.feature-card .icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 0.8rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-card ul {
  margin-top: 0.8rem;
  padding-left: 1.1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* Methodology blocks */
.method-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.6rem 1.75rem;
  margin-bottom: 1.25rem;
}

.method-item h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.7rem;
  letter-spacing: -0.01em;
}

.method-item p {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.method-item p:last-child { margin-bottom: 0; }

.formula {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  overflow-x: auto;
  white-space: pre;
  margin: 0.6rem 0;
}

.note-box {
  background-color: rgba(74, 144, 226, 0.08);
  border: 1px solid rgba(74, 144, 226, 0.3);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 0 0 2.5rem;
  color: var(--text-primary);
  font-size: 0.97rem;
  line-height: 1.7;
}

.warn-box {
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 12px;
  padding: 1.1rem 1.5rem;
  margin: 2rem 0 0;
  color: var(--text-primary);
  font-size: 0.93rem;
  line-height: 1.7;
}

.cta-band {
  text-align: center;
  padding: 4rem 2rem 5rem;
}

.cta-band h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 768px) {
  .app-hero {
    text-align: center;
    flex-direction: column;
    gap: 1.5rem;
  }
  .lead { padding-left: 1rem; font-size: 1.1rem; }

  .nav-container {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  
  nav ul {
    gap: 1.5rem;
  }
  
  .hero {
    padding: 4rem 1rem 3rem;
  }
  
  .section {
    padding: 4rem 1rem;
  }
  
  .apps-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  footer {
    padding: 2rem 1rem;
  }
}