/* ========================================
   ESTRELLAS FIJAS - SISTEMA DE DISEÑO
   Estética medieval-cósmica
   ======================================== */

/* Variables globales del tema */
:root {
  /* Colores base */
  --bg: #0a0e1a;
  --bg2: #0f1420;
  --text: #f4ead5;
  --muted: #7a8ba0;
  --gold: #d4a574;
  --gold2: #e8c89a;
  --border: rgba(100, 120, 150, 0.2);
  --glass: rgba(255, 255, 255, 0.03);
  --shadowGold: 0 0 20px rgba(212, 165, 116, 0.3);
  
  /* Tipografías */
  --font-title: 'Cinzel', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s ease;
  --transition-slow: 0.6s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   CAPAS VISUALES (z-index)
   ======================================== */

/* Capa 0: Canvas starfield */
#starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.65;
  mix-blend-mode: screen;
}

/* Capa 1: Atmósfera y overlays */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: 
    radial-gradient(ellipse at 50% 0%, rgba(70, 90, 150, 0.15) 0%, transparent 50%),
    linear-gradient(to bottom, transparent 0%, rgba(10, 14, 26, 0.4) 100%);
}

/* Capa 2: Contenido */
header, main, footer {
  position: relative;
  z-index: 2;
}

/* ========================================
   TIPOGRAFÍA
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--gold2);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--gold2);
}

/* Labels y detalles técnicos */
.label, .meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ========================================
   HEADER DINÁMICO
   ======================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  transition: all var(--transition-normal);
}

.site-header.header--scrolled {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo img {
  height: 50px;
  width: auto;
  transition: transform var(--transition-fast);
}

.logo:hover img {
  transform: scale(1.05);
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.main-nav a {
  font-family: var(--font-title);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.main-nav a:hover {
  background: var(--glass);
  box-shadow: var(--shadowGold);
}

/* ========================================
   BOTONES
   ======================================== */

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--font-title);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold2) 100%);
  color: var(--bg);
  box-shadow: var(--shadowGold);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(212, 165, 116, 0.5);
}

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

.btn-secondary:hover {
  background: rgba(212, 165, 116, 0.1);
  box-shadow: var(--shadowGold);
}

/* ========================================
   CARDS GLASSMORPHISM
   ======================================== */

.card {
  background: var(--glass);
  border: 1px solid rgba(212, 165, 116, 0.2);
  border-radius: 8px;
  padding: var(--spacing-md);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadowGold), 0 10px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--gold);
}

.card h3 {
  margin-bottom: var(--spacing-sm);
}

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

/* ========================================
   ANIMACIONES REVEAL
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(12px);
  filter: blur(2px);
  transition: opacity var(--transition-slow), 
              transform var(--transition-slow), 
              filter var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* ========================================
   LAYOUT Y SECCIONES
   ======================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  text-shadow: 0 0 30px rgba(212, 165, 116, 0.3);
}

.hero p {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto var(--spacing-md);
}

/* Grid de cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--gold);
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

/* ========================================
   ELEMENTOS DECORATIVOS MEDIEVALES
   ======================================== */

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: var(--spacing-lg) 0;
}

.ornament {
  text-align: center;
  color: var(--gold);
  font-size: 1.5rem;
  margin: var(--spacing-md) 0;
}

/* ========================================
   PÁGINA "QUIÉN ESTÁ DETRÁS"
   ======================================== */

.about-page {
  padding-top: 120px;
}

.about-hero {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 900px;
  margin: 0 auto;
}

.about-hero blockquote {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--gold2);
  border-left: 3px solid var(--gold);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.profile-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  max-width: 1000px;
  margin: 0 auto;
}

.profile-image {
  width: 300px;
  height: 300px;
  border-radius: 8px;
  border: 2px solid var(--gold);
  box-shadow: var(--shadowGold);
  object-fit: cover;
}

.content-block {
  max-width: 800px;
  margin: var(--spacing-lg) auto;
  padding: 0 var(--spacing-md);
}

.content-block h2 {
  margin-bottom: var(--spacing-md);
}

.content-block h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.content-block p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.content-block blockquote {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--gold2);
  border-left: 3px solid var(--gold);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.method-list {
  list-style: none;
  padding: 0;
}

.method-list li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
}

.method-list strong {
  color: var(--gold);
  font-family: var(--font-title);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .profile-image {
    width: 250px;
    height: 250px;
  }
}

/* ========================================
   UTILIDADES
   ======================================== */

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

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.hidden {
  display: none;
}