/* ==========================================================================
   PORTAFOLIO PROFESIONAL — MIGUEL ALONSO CASTILLO ABARCA
   Concepto: The Creative Strategist (Dirección de Arte & Diseño de Sistemas)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0b0d11;
  --bg-surface: #14171f;
  --bg-surface-elevated: #1a1e28;
  --bg-surface-card: #151922;
  --border-subtle: #232836;
  --border-light: rgba(255, 255, 255, 0.08);
  --border-focus: #ff6b4a;

  --text-primary: #f4f5f8;
  --text-secondary: #9aa2b4;
  --text-muted: #6b7280;
  --text-inverse: #0b0d11;

  --accent-primary: #ff6b4a;
  --accent-hover: #ff8566;
  --accent-subtle: rgba(255, 107, 74, 0.12);
  --accent-glow: rgba(255, 107, 74, 0.25);

  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 20px 40px -15px rgba(255, 107, 74, 0.2);
}

/* Variables de respaldo para Modo Claro (Light Mode) */
html[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-card: #ffffff;
  --border-subtle: #e2e8f0;
  --border-light: rgba(0, 0, 0, 0.08);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.07), 0 2px 8px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 20px 40px -15px rgba(0, 0, 0, 0.14);

  color-scheme: light;
}

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

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

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

/* Contenedor universal */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
}

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

a:hover {
  color: var(--accent-primary);
}

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

/* ==========================================================================
   Header & Navegación
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(8, 12, 14, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-smooth);
}

[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--accent-subtle);
  border: 1.5px solid var(--accent-primary);
  color: var(--accent-primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-title {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.3;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.85rem;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* ==========================================================================
   Interruptor de Tema (Light & Dark Mode Switcher)
   ========================================================================== */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.46rem 0.8rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  line-height: 1;
  user-select: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.theme-toggle-btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.theme-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle-btn:hover .theme-toggle-icon {
  transform: rotate(20deg) scale(1.12);
}

/* En Modo Oscuro: mostrar sol para cambiar a claro */
html[data-theme="dark"] .theme-icon-sun,
:root:not([data-theme="light"]) .theme-icon-sun {
  display: inline-flex;
  color: #fbbf24;
}

html[data-theme="dark"] .theme-icon-moon,
:root:not([data-theme="light"]) .theme-icon-moon {
  display: none;
}

/* En Modo Claro: mostrar luna para cambiar a oscuro */
html[data-theme="light"] .theme-icon-sun {
  display: none;
}

html[data-theme="light"] .theme-icon-moon {
  display: inline-flex;
  color: #475569;
}

[data-theme="light"] .theme-toggle-btn {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #334155;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

[data-theme="light"] .theme-toggle-btn:hover .theme-icon-moon {
  color: var(--accent-primary);
}

.theme-toggle-label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .theme-toggle-btn {
    padding: 0.48rem;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
  }
  .theme-toggle-label {
    display: none;
  }
}

/* Botones con estilo mockup (fondo acento, texto contraste) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.68rem 1.4rem;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--accent-contrast, #ffffff);
  box-shadow: 0 4px 18px var(--accent-glow, rgba(161, 116, 245, 0.35));
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--accent-contrast, #ffffff);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow, rgba(161, 116, 245, 0.5));
}

.btn-outline {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-subtle);
}

.btn-header {
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
  border-radius: 6px;
}

.btn-cta-main {
  padding: 0.78rem 1.65rem;
  font-size: 0.92rem;
  border-radius: 6px;
}

.btn-cta-cv {
  padding: 0.78rem 1.5rem;
  font-size: 0.92rem;
  border-radius: 6px;
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  border-radius: 5px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section (Fiel al Mockup: Tipografía Editorial y Retrato Sin Marco)
   ========================================================================== */
.hero-section {
  padding: 0;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-primary);
  display: flex;
  align-items: stretch;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -10%;
  right: 5%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle at 65% 35%, rgba(161, 116, 245, 0.16) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 70%);
  filter: blur(90px);
  z-index: 0;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: stretch;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 640px;
  padding-top: calc(74px + 2.5rem);
  padding-bottom: 2.8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Antetítulo Kicker Editorial (Prensa & Dirección de Arte) */
.hero-tagline-kicker,
.hero-tagline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.15rem 0 0.15rem 0.85rem;
  border-left: 2px solid var(--accent-primary, #ff6b4a);
  background: transparent;
  border-top: none;
  border-right: none;
  border-bottom: none;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  font-size: 0.74rem;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  width: fit-content;
  transition: border-color var(--transition-fast);
}

.hero-tagline-kicker:hover,
.hero-tagline-badge:hover {
  border-left-color: var(--accent-hover, #ff8566);
}

.hero-tagline-kicker .kicker-tag,
.hero-tagline-badge .hero-badge-pill {
  color: var(--accent-primary, #ff6b4a);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  padding: 0;
  border-radius: 0;
  display: inline;
}

.hero-tagline-kicker .kicker-sep,
.hero-tagline-badge .hero-badge-sep {
  color: var(--text-muted, rgba(255, 255, 255, 0.28));
  font-weight: 300;
  font-size: 0.82rem;
  user-select: none;
}

.hero-tagline-kicker .kicker-loc,
.hero-tagline-badge .hero-badge-location {
  color: var(--text-secondary, #9aa2b4);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline;
}

.hero-title {
  font-size: clamp(2.4rem, 4.4vw, 3.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1.35rem;
}

.hero-title .highlight {
  color: var(--accent-primary, #a174f5);
  display: inline;
  text-shadow: 0 0 24px rgba(161, 116, 245, 0.25);
}

.hero-lead {
  font-size: 0.97rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.85rem;
  max-width: 540px;
}

/* Métricas en bloque unificado */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
  margin-bottom: 2rem;
  padding: 1.25rem 1.55rem;
  background: rgba(13, 21, 30, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .hero-metrics {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-item .metric-val {
  font-family: var(--font-heading);
  font-size: 1.95rem;
  font-weight: 800;
  color: var(--accent-primary, #a174f5);
  line-height: 1;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.metric-item .metric-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.35;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-cta .btn-cta-main {
  background: var(--accent-primary, #a174f5);
  color: var(--accent-contrast, #ffffff) !important;
  font-weight: 700;
  padding: 0.82rem 1.65rem;
  border-radius: 8px;
  box-shadow: 0 4px 20px var(--accent-glow, rgba(161, 116, 245, 0.42));
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.25s ease;
}

.hero-cta .btn-cta-main:hover {
  transform: translateY(-2px);
  background: var(--accent-hover);
  box-shadow: 0 6px 26px var(--accent-glow, rgba(161, 116, 245, 0.6));
  color: var(--accent-contrast, #ffffff) !important;
}

.hero-cta .btn-cta-cv {
  background: rgba(13, 17, 26, 0.75);
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 0.82rem 1.45rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}

.hero-cta .btn-cta-cv:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff !important;
  transform: translateY(-2px);
}

[data-theme="light"] .hero-cta .btn-cta-cv {
  background: #ffffff;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .hero-cta .btn-cta-cv:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary) !important;
}

/* Columna Visual de Portada: Retrato Cutout sin marco ni tarjetas */
.hero-visual {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: center;
  height: 100%;
  margin: 0;
  padding: 0;
}

.hero-portrait-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: center;
  margin: 0;
  padding: 0;
}

.hero-portrait-img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  max-height: none;
  max-width: none;
  object-fit: cover;
  object-position: center center;
  display: block;
  box-shadow: none;
  border-radius: 0;
  border: none;
  filter: contrast(1.08) brightness(1.0);
}

/* ==========================================================================
   Manifiesto & Propuesta de Valor
   ========================================================================== */
.manifesto-section {
  padding: 60px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.manifesto-content {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  align-items: center;
}

.manifesto-quote {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  border-left: 4px solid var(--accent-primary);
  padding-left: 1.5rem;
}

.manifesto-body {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ==========================================================================
   Sección: Casos de Estudio Protagónicos (Case Studies)
   ========================================================================== */
.section {
  padding: 100px 0;
  position: relative;
}

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

.section-eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
  max-width: 650px;
}

.case-studies-list {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

.case-study-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition-smooth);
}

.case-study-card:nth-child(even) {
  grid-template-columns: 0.9fr 1.1fr;
}

.case-study-card:nth-child(even) .case-content {
  order: 2;
}

.case-study-card:nth-child(even) .case-media {
  order: 1;
}

.case-study-card:hover {
  border-color: rgba(255, 107, 74, 0.4);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.case-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  position: relative;
  aspect-ratio: 16/10;
}

[data-theme="light"] .case-study-card {
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .case-study-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.12);
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-study-card:hover .case-media img {
  transform: scale(1.03);
}

.case-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: var(--accent-subtle);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.case-title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.case-summary {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.case-metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  padding: 1rem;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-primary);
}

[data-theme="light"] .case-metrics-grid {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 3px solid var(--accent-primary);
}

.case-metric-row {
  display: flex;
  flex-direction: column;
}

.case-metric-label {
  font-size: 0.75rem;
  color: var(--accent-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-metric-val {
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* ==========================================================================
   Portafolio Dinámico con Filtros
   ========================================================================== */
.portfolio-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
  background: var(--accent-primary);
  color: var(--accent-contrast, #ffffff);
  border-color: var(--accent-primary);
}

[data-theme="light"] .filter-btn {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #475569;
}

[data-theme="light"] .filter-btn:hover {
  color: #0f172a;
  border-color: var(--accent-primary);
}

[data-theme="light"] .filter-btn.active {
  background: var(--accent-primary);
  color: var(--accent-contrast, #ffffff);
  border-color: var(--accent-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

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

[data-theme="light"] .project-card {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .project-card:hover {
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.12);
  border-color: var(--accent-primary);
}

.card-thumb {
  position: relative;
  aspect-ratio: 16/11;
  overflow: hidden;
  background: var(--bg-surface-elevated);
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .card-thumb img {
  transform: scale(1.05);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 13, 17, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.project-card:hover .card-overlay {
  opacity: 1;
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.card-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Línea de Tiempo & Experiencia
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 7px;
  width: 2px;
  height: 100%;
  background: var(--border-subtle);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-dot {
  position: absolute;
  top: 5px;
  left: -2rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-card {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: border-color var(--transition-fast);
  box-shadow: var(--shadow-card);
}

.timeline-card:hover {
  border-color: var(--accent-primary);
}

[data-theme="light"] .timeline-card {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.timeline-period {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.35rem;
}

.timeline-role {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.timeline-org {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.timeline-achievements {
  padding: 1rem;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-primary);
  white-space: pre-line;
  border-left: 3px solid var(--accent-primary);
}

[data-theme="light"] .timeline-achievements {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 3px solid var(--accent-primary);
}

/* ==========================================================================
   Especialidades & Competencias
   ========================================================================== */
.skills-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.skill-group {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .skill-group {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.skill-group-title {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.skill-card-item h4 {
  font-size: 1rem;
  color: var(--accent-primary);
  margin-bottom: 0.3rem;
}

.skill-card-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Sección: Currículum Descargable
   ========================================================================== */
.cv-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-surface) 100%);
  border-top: 1px solid var(--border-subtle);
}

.cv-box {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .cv-box {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.cv-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}

.cv-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.cv-feature-item svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.cv-preview-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .cv-preview-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

/* ==========================================================================
   Sección: Contacto
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-info-val {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.contact-form {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .contact-form {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

[data-theme="light"] .form-control {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
}

[data-theme="light"] .form-control:focus {
  background: #ffffff;
  border-color: var(--accent-primary);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.alert-success {
  background: rgba(46, 213, 115, 0.15);
  border: 1px solid #2ed573;
  color: #2ed573;
}

.alert-error {
  background: rgba(255, 71, 87, 0.15);
  border: 1px solid #ff4757;
  color: #ff4757;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
}

[data-theme="light"] .site-footer {
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Modal / Lightbox & Visor de Galería Deslizante
   ========================================================================== */
.lightbox-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5, 7, 10, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 2030;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(20, 23, 31, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.lightbox-close:hover {
  background: rgba(255, 71, 87, 0.9);
  border-color: rgba(255, 71, 87, 1);
  color: #ffffff;
  transform: scale(1.08) rotate(90deg);
  box-shadow: 0 0 20px rgba(255, 71, 87, 0.4);
}

/* Flechas Deslizantes de Navegación */
.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2020;
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background: rgba(20, 23, 31, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  padding: 0;
  user-select: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.lightbox-prev {
  left: 2rem;
}

.lightbox-next {
  right: 2rem;
}

.lightbox-prev:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
  transform: translateY(-50%) translateX(-4px) scale(1.1);
  box-shadow: 0 0 25px var(--accent-glow);
}

.lightbox-next:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
  transform: translateY(-50%) translateX(4px) scale(1.1);
  box-shadow: 0 0 25px var(--accent-glow);
}

.lightbox-prev:active {
  transform: translateY(-50%) translateX(-6px) scale(0.95);
}

.lightbox-next:active {
  transform: translateY(-50%) translateX(6px) scale(0.95);
}

.lightbox-nav.is-hidden {
  display: none !important;
}

.lightbox-nav:focus-visible,
.lightbox-close:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

/* Contenido Principal y Escenario de Visualización */
.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2010;
}

.lightbox-modal.active .lightbox-content {
  animation: lbModalZoomIn 0.25s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes lbModalZoomIn {
  0% {
    opacity: 0;
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.lightbox-stage {
  position: relative;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  background: rgba(0, 0, 0, 0.4);
}

.lightbox-img,
.lightbox-stage img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

/* Pie de Foto y Contador */
.lightbox-footer {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  max-width: 90vw;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.lightbox-caption {
  flex: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  color: var(--text-primary);
}

.lightbox-counter {
  font-weight: 600;
  color: var(--accent-primary);
  background: rgba(255, 107, 74, 0.12);
  border: 1px solid rgba(255, 107, 74, 0.25);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  white-space: nowrap;
  letter-spacing: 0.05em;
}

/* Animaciones Deslizantes del Visor */
.lightbox-slide-in-right {
  animation: lbSlideInRight 0.3s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  will-change: transform, opacity;
}

.lightbox-slide-out-left {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  pointer-events: none;
  animation: lbSlideOutLeft 0.3s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  will-change: transform, opacity;
}

.lightbox-slide-in-left {
  animation: lbSlideInLeft 0.3s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  will-change: transform, opacity;
}

.lightbox-slide-out-right {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  pointer-events: none;
  animation: lbSlideOutRight 0.3s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  will-change: transform, opacity;
}

@keyframes lbSlideInRight {
  0% {
    opacity: 0;
    transform: translate3d(70px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes lbSlideOutLeft {
  0% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  100% {
    opacity: 0;
    transform: translate3d(-70px, 0, 0);
  }
}

@keyframes lbSlideInLeft {
  0% {
    opacity: 0;
    transform: translate3d(-70px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes lbSlideOutRight {
  0% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  100% {
    opacity: 0;
    transform: translate3d(70px, 0, 0);
  }
}

/* Efecto hover interactivo para imágenes con lightbox */
[data-lightbox] {
  cursor: zoom-in;
  display: block;
  overflow: hidden;
}

[data-lightbox] img {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-lightbox]:hover img {
  transform: scale(1.035);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-br {
    display: none;
  }
  .hero-visual {
    max-width: 420px;
    margin: 0 auto;
  }
  .case-study-card,
  .case-study-card:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .case-study-card:nth-child(even) .case-content {
    order: 1;
  }
  .case-study-card:nth-child(even) .case-media {
    order: 2;
  }
  .skills-container {
    grid-template-columns: 1fr;
  }
  .cv-box {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav-menu.active {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .hero-metrics {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .manifesto-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .lightbox-modal {
    padding: 1rem;
  }
  .lightbox-prev {
    left: 0.75rem;
  }
  .lightbox-next {
    right: 0.75rem;
  }
  .lightbox-nav {
    width: 44px;
    height: 44px;
    background: rgba(20, 23, 31, 0.92);
  }
  .lightbox-close {
    top: 0.75rem;
    right: 0.75rem;
    width: 42px;
    height: 42px;
  }
  .lightbox-stage {
    max-height: 72vh;
  }
  .lightbox-stage img {
    max-height: 72vh;
  }
  .lightbox-footer {
    font-size: 0.8rem;
    gap: 0.75rem;
  }
}