/* ==========================================================================
   SEAS — Pincelada Viva | Design System & Styling
   Paleta Oficial:
   • Carbón Fondo: #1A161C (#120F14 / #221C24)
   • Magenta Pincel: #C11660 / #D8065B / #BB0244
   • Naranja Cálido: #FB7109 / #FC6003 / #F4221A
   • Blanco Hueso: #F8F6F2
   ========================================================================== */

:root {
  --color-carbon-dark: #120F14;
  --color-carbon: #1A161C;
  --color-carbon-card: #201B23;
  --color-carbon-border: rgba(255, 255, 255, 0.08);
  --color-carbon-border-hover: rgba(216, 6, 91, 0.4);

  --color-magenta: #D8065B;
  --color-magenta-deep: #C11660;
  --color-magenta-glow: rgba(216, 6, 91, 0.35);
  
  --color-orange: #FB7109;
  --color-orange-deep: #F74303;
  --color-orange-glow: rgba(251, 113, 9, 0.35);

  --color-text-primary: #F8F6F2;
  --color-text-secondary: rgba(248, 246, 242, 0.68);
  --color-text-muted: rgba(248, 246, 242, 0.42);

  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-normal: 0.35s var(--ease-spring);
  --transition-slow: 0.6s var(--ease-spring);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-carbon);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at 50% 18%, rgba(216, 6, 91, 0.12) 0%, rgba(26, 22, 28, 0) 55%),
              radial-gradient(circle at 85% 70%, rgba(251, 113, 9, 0.08) 0%, rgba(26, 22, 28, 0) 45%),
              var(--color-carbon);
  background-attachment: fixed;
  overflow-x: hidden;
  position: relative;
}

/* Ambient Grain Texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 0);
  background-size: 24px 24px;
  opacity: 0.7;
  z-index: 1;
}

/* Custom Interactive Canvas for Liquid Paint */
#fluid-cursor-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  width: 100vw;
  height: 100vh;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.25rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(26, 22, 28, 0.65);
  border-bottom: 1px solid var(--color-carbon-border);
  transition: padding var(--transition-normal), background var(--transition-normal);
}

.site-header.scrolled {
  padding: 0.85rem 2.5rem;
  background: rgba(18, 15, 20, 0.88);
  border-bottom-color: rgba(216, 6, 91, 0.2);
}

.brand-monogram {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-monogram img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px var(--color-magenta-glow));
  transition: transform var(--transition-normal);
}

.brand-monogram:hover img {
  transform: rotate(-6deg) scale(1.08);
}

.brand-monogram .monogram-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, #FB7109 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-magenta), var(--color-orange));
  transition: width var(--transition-normal);
}

.nav-links a:hover {
  color: var(--color-text-primary);
  text-shadow: 0 0 12px var(--color-magenta-glow);
}

.nav-links a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.badge-ssl {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #10B981;
  letter-spacing: 0.03em;
}

.badge-ssl .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
}

.pwa-install-btn {
  display: none; /* revealed via JS when prompt ready */
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, rgba(216, 6, 91, 0.15), rgba(251, 113, 9, 0.15));
  border: 1px solid rgba(216, 6, 91, 0.4);
  border-radius: 9999px;
  color: var(--color-text-primary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-fast);
}

.pwa-install-btn:hover {
  transform: translateY(-1px);
  border-color: var(--color-magenta);
  box-shadow: 0 4px 16px var(--color-magenta-glow);
}

/* ==========================================================================
   Hero Section & Brand Phrase Lockup
   ========================================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 8rem 1.5rem 4rem;
  text-align: center;
  position: relative;
  z-index: 10;
}

.hero-statement-container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.15rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s var(--ease-spring);
}

.hero-pill-tag .pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--color-magenta);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-magenta);
  animation: pulseLight 2s infinite ease-in-out;
}

/* Central integrated phrase */
.brand-phrase-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.brand-logo-wrapper {
  position: relative;
  display: inline-block;
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.brand-logo-wrapper:hover {
  transform: scale(1.025);
}

.seas-hero-logo {
  max-width: 480px;
  width: 82vw;
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 30px rgba(216, 6, 91, 0.28)) drop-shadow(0 2px 10px rgba(251, 113, 9, 0.2));
  transition: filter var(--transition-normal);
}

.brand-logo-wrapper:hover .seas-hero-logo {
  filter: drop-shadow(0 12px 42px rgba(216, 6, 91, 0.45)) drop-shadow(0 4px 18px rgba(251, 113, 9, 0.35));
}

.phrase-continuation {
  display: flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text-primary);
  margin-top: -0.5rem;
}

.phrase-continuation .phrase-words {
  font-weight: 400;
  font-style: italic;
  color: rgba(248, 246, 242, 0.88);
}

.phrase-continuation .phrase-aqui {
  font-weight: 800;
  font-style: normal;
  background: linear-gradient(135deg, #FF3366 0%, #D8065B 45%, #FB7109 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.phrase-continuation .phrase-aqui::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.1em;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #D8065B, #FB7109);
  border-radius: 2px;
  transform: scaleX(0.9);
  transform-origin: left;
}

.hero-description {
  max-width: 580px;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-top: 1.5rem;
  margin-bottom: 3rem;
}

/* Stylized Magenta Arrow */
.magenta-arrow-wrapper {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.magenta-arrow-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  group: pointer;
}

.arrow-label {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.magenta-arrow-btn:hover .arrow-label {
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

.magenta-arrow-svg {
  width: 36px;
  height: 52px;
  overflow: visible;
  filter: drop-shadow(0 4px 12px var(--color-magenta-glow));
  animation: bounceArrow 2.4s ease-in-out infinite;
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.magenta-arrow-btn:hover .magenta-arrow-svg {
  filter: drop-shadow(0 8px 24px rgba(216, 6, 91, 0.65)) drop-shadow(0 2px 8px var(--color-orange-glow));
  transform: scale(1.15) translateY(4px);
}

/* ==========================================================================
   Bellas Artes Section
   ========================================================================== */
.artes-section {
  padding: 6rem 2rem 8rem;
  max-width: 1320px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.section-header {
  text-align: center;
  margin-bottom: 4.5rem;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--color-magenta), var(--color-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* 3 Arts Cards Grid */
.artes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem;
}

.arte-card {
  position: relative;
  background: var(--color-carbon-card);
  border-radius: 20px;
  border: 1px solid var(--color-carbon-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.arte-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-carbon-border-hover);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45), 0 0 25px var(--color-magenta-glow);
}

.arte-visual-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0d0a0e;
}

.arte-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-spring), filter 0.8s var(--ease-spring);
}

.arte-card:hover .arte-img {
  transform: scale(1.08);
  filter: contrast(1.05) saturate(1.1);
}

.arte-overlay-vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 22, 28, 0) 40%, rgba(26, 22, 28, 0.95) 100%);
  pointer-events: none;
}

.arte-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.85rem;
  background: rgba(26, 22, 28, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-orange);
  z-index: 5;
}

.arte-content {
  padding: 1.75rem 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.arte-title {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.arte-number {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.arte-description {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

/* Interactive Action Button for each Art */
.arte-action-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.9rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 12px;
  color: var(--color-text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.arte-action-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-magenta), var(--color-orange));
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
}

.arte-action-btn:hover {
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-magenta-glow);
}

.arte-action-btn:hover::before {
  opacity: 1;
}

.arte-action-btn span,
.arte-action-btn svg {
  position: relative;
  z-index: 1;
}

.arte-action-btn svg {
  transition: transform var(--transition-normal);
}

.arte-action-btn:hover svg {
  transform: translateX(4px);
}

/* Mini Audio Visualizer in Music Card */
.music-visualizer-bar-container {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 16px;
  margin-right: 0.5rem;
}

.viz-bar {
  width: 3px;
  height: 4px;
  background: var(--color-orange);
  border-radius: 2px;
  transition: height 0.15s ease;
}

.viz-active .viz-bar:nth-child(1) { animation: soundBar 0.6s infinite ease-in-out; }
.viz-active .viz-bar:nth-child(2) { animation: soundBar 0.9s infinite ease-in-out 0.1s; }
.viz-active .viz-bar:nth-child(3) { animation: soundBar 0.7s infinite ease-in-out 0.2s; }
.viz-active .viz-bar:nth-child(4) { animation: soundBar 1.1s infinite ease-in-out 0.15s; }
.viz-active .viz-bar:nth-child(5) { animation: soundBar 0.8s infinite ease-in-out 0.05s; }

/* ==========================================================================
   Interactive Modals / Inmersión Panels
   ========================================================================== */
.art-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 12, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-spring);
}

.art-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.art-modal-card {
  width: 100%;
  max-width: 820px;
  background: var(--color-carbon-dark);
  border: 1px solid rgba(216, 6, 91, 0.35);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 50px var(--color-magenta-glow);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.45s var(--ease-spring);
}

.art-modal-backdrop.active .art-modal-card {
  transform: scale(1) translateY(0);
}

.modal-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-carbon-border);
}

.modal-title-group h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-primary);
}

.modal-title-group span {
  font-size: 0.8rem;
  color: var(--color-orange);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-carbon-border);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-magenta);
  transform: rotate(90deg);
}

.modal-body {
  padding: 2rem;
  max-height: 75vh;
  overflow-y: auto;
}

.interactive-experience-area {
  margin: 1.5rem 0;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  min-height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Paint Canvas in Modal */
#modal-paint-canvas {
  width: 100%;
  height: 280px;
  cursor: crosshair;
  background: #110e12;
}

/* Dance Particle Canvas in Modal */
#modal-dance-canvas {
  width: 100%;
  height: 280px;
  cursor: grab;
  background: #0e0b10;
}

/* Sound Waveform in Modal */
#modal-audio-canvas {
  width: 100%;
  height: 180px;
  background: #0c090e;
}

.sound-controls {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.sound-pitch-btn {
  padding: 0.6rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-carbon-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sound-pitch-btn:hover, .sound-pitch-btn.active {
  background: var(--color-magenta);
  border-color: var(--color-magenta);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-carbon-border);
  padding: 4rem 2rem 2.5rem;
  background: var(--color-carbon-dark);
  text-align: center;
  position: relative;
  z-index: 10;
}

.footer-content {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-logo {
  max-width: 180px;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.footer-logo:hover {
  opacity: 1;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-copy a {
  color: var(--color-orange);
  text-decoration: none;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseLight {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.4); opacity: 1; box-shadow: 0 0 16px var(--color-magenta); }
}

@keyframes bounceArrow {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(10px); }
  60% { transform: translateY(5px); }
}

@keyframes soundBar {
  0%, 100% { height: 4px; }
  50% { height: 16px; }
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 1024px) {
  .artes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .arte-card:last-child {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 1rem 1.5rem;
  }
  .nav-links {
    display: none; /* Mobile menu can be simplified */
  }
  .artes-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .arte-card:last-child {
    grid-column: span 1;
  }
  .hero-section {
    padding-top: 6.5rem;
  }
  .seas-hero-logo {
    max-width: 340px;
  }
}