/* ==========================================================================
   Lilium Studio — Minimalist Matte Design System (No Neon, Clean Editorial)
   ========================================================================== */

:root {
  /* Matte Neutral Palette */
  --bg-root: #0C0C0E;
  --bg-surface: #131316;
  --bg-surface-hover: #1B1B20;
  --bg-surface-glass: rgba(12, 12, 14, 0.92);

  /* Subtle Matte Accents + Logo Lilac-Violet Gradient (No Neon Glow) */
  --accent-primary: #A855F7;
  --accent-primary-fg: #FFFFFF;
  --accent-secondary: #C4B5FD;
  --accent-lilac: #B392F0;
  --logo-gradient: linear-gradient(135deg, #D8B4FE 0%, #A855F7 55%, #7E22CE 100%);
  --logo-gradient-hover: linear-gradient(135deg, #E9D5FF 0%, #B469FA 55%, #8B32DC 100%);
  --logo-gradient-subtle: linear-gradient(135deg, rgba(216, 180, 254, 0.14) 0%, rgba(168, 85, 247, 0.08) 100%);
  --logo-border-subtle: rgba(180, 142, 250, 0.28);

  /* Crisp 1px Structural Borders */
  --border-subtle: #222227;
  --border-active: #3F3F46;
  --border-glass: #1C1C21;

  /* Typography Hierarchy */
  --text-primary: #F4F4F5;
  --text-secondary: #A1A1AA;
  --text-muted: #8E8E98;

  /* Semantic Status (Matte, Desaturated) */
  --badge-api: #D4D4D8;
  --badge-success: #34D399;
  --badge-warning: #FBBF24;
  --badge-error: #F87171;

  --brand-mercadopago: #009EE3;
  --brand-paypal: #0070BA;

  /* Fonts */
  --font-heading: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-root);
  background-image: linear-gradient(180deg, rgba(147, 83, 211, 0.09) 0%, rgba(12, 12, 14, 0) 460px);
  background-repeat: no-repeat;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 600;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.brand-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 6px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Switcher Segmented Controls */
.pill-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 2px;
  gap: 2px;
}

.pill-btn {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border-radius: 4px;
  transition: all 0.15s ease;
}

.pill-btn:hover {
  color: var(--text-primary);
}

.pill-btn.active {
  background: var(--logo-gradient);
  color: #FFFFFF;
  border: 1px solid transparent;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--logo-gradient);
  color: #FFFFFF;
  border: 1px solid rgba(216, 180, 254, 0.25);
}

.btn-primary:hover {
  background: var(--logo-gradient-hover);
  border-color: rgba(233, 213, 255, 0.4);
}

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

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--logo-border-subtle);
}

.btn-free {
  background: var(--logo-gradient);
  color: #FFFFFF;
  border: 1px solid rgba(216, 180, 254, 0.25);
}

.btn-free:hover {
  background: var(--logo-gradient-hover);
}

.btn-mp {
  background: var(--brand-mercadopago);
  color: #FFFFFF;
}

.btn-mp:hover {
  background: #0088c4;
}

.btn-paypal {
  background: var(--brand-paypal);
  color: #FFFFFF;
}

.btn-paypal:hover {
  background: #005ea6;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 6px;
}

.btn-danger {
  background: transparent;
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: var(--badge-error);
}

.btn-danger:hover {
  background: rgba(248, 113, 113, 0.12);
}

/* User Avatar & Menu */
.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-primary);
}

.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  object-fit: cover;
}

/* ==========================================================================
   Hero Section (Minimalist Editorial)
   ========================================================================== */
.hero-section {
  padding: 88px 0 64px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-banner-wrap {
  display: none;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 11px;
  border-radius: 4px;
  background: var(--logo-gradient-subtle);
  border: 1px solid var(--logo-border-subtle);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: #E9D5FF;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-badge .ping-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--logo-gradient);
}

.hero-title {
  font-size: clamp(2.25rem, 4.2vw, 3.25rem);
  font-weight: 600;
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.hero-title-highlight {
  background: linear-gradient(135deg, #FFFFFF 0%, #D8B4FE 45%, #A855F7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 32px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 56px;
}

/* Hero Stats Bar */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  width: 100%;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

/* ==========================================================================
   Sections & Headers
   ========================================================================== */
.section {
  padding: 72px 0;
}

.section-header {
  margin-bottom: 36px;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.65rem, 2.8vw, 2.1rem);
  font-weight: 600;
  margin-bottom: 10px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.98rem;
  max-width: 580px;
}

/* Catalog Filter Bar */
.catalog-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.catalog-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
}

.tab-btn {
  padding: 6px 14px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.tab-btn.active {
  background: var(--logo-gradient);
  color: #FFFFFF;
  border-color: rgba(216, 180, 254, 0.3);
}

.catalog-search-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 260px;
  max-width: 420px;
}

.search-input {
  width: 100%;
  padding: 9px 14px 9px 36px;
  border-radius: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.15s ease;
}

.search-input:focus {
  border-color: var(--border-active);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.creator-toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
}

.toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  transition: 0.15s;
  border-radius: 20px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-muted);
  transition: 0.15s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background: var(--logo-gradient);
  border-color: rgba(216, 180, 254, 0.35);
}

input:checked + .toggle-slider:before {
  transform: translateX(16px);
  background-color: #FFFFFF;
}

/* ==========================================================================
   Product Cards & Grid
   ========================================================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.product-card:hover {
  border-color: var(--logo-border-subtle);
  background: #16151C;
}

.card-cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #09090B;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.card-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  z-index: 2;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
}

.badge-version {
  background: rgba(12, 12, 14, 0.88);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.badge-creator {
  background: var(--logo-gradient-subtle);
  border: 1px solid var(--logo-border-subtle);
  color: #E9D5FF;
}

.badge-experimental {
  background: rgba(24, 24, 27, 0.9);
  border: 1px solid rgba(251, 191, 36, 0.35);
  color: var(--badge-warning);
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}

.card-badges-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.card-summary {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 18px;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.price-tag {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13.5px;
}

.price-tag.free {
  color: var(--text-secondary);
}

.price-tag.paid {
  color: var(--text-primary);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-secondary);
}

/* ==========================================================================
   Portfolio Section (Case Studies)
   ========================================================================== */
.portfolio-section {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: #0E0E11;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.case-study-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.15s ease;
}

.case-study-card:hover {
  border-color: var(--border-active);
}

.case-client {
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-badge {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.case-title {
  font-size: 1.2rem;
  font-weight: 600;
}

.case-desc {
  color: var(--text-secondary);
  font-size: 13.5px;
  line-height: 1.6;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-tag {
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.case-metrics-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.case-metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.metric-desc {
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   Custom Project Quote Form
   ========================================================================== */
.quote-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 36px;
  max-width: 760px;
}

.quote-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.service-selector-chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.chip-option {
  position: relative;
}

.chip-option input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.chip-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}

.chip-label:hover {
  border-color: var(--border-active);
  color: var(--text-primary);
}

.chip-option input[type="radio"]:checked + .chip-label {
  background: var(--logo-gradient-subtle);
  border-color: var(--logo-border-subtle);
  color: #E9D5FF;
}

.form-input, .form-textarea, .form-select {
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--border-active);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-alert {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13.5px;
  display: none;
}

.form-alert.success {
  display: block;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: var(--badge-success);
}

.form-alert.error {
  display: block;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--badge-error);
}

/* ==========================================================================
   Modals & Drawers
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

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

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-active);
  border-radius: 8px;
  max-width: 760px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 600;
}

.modal-close-btn {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 18px;
}

.modal-close-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-cover-img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.modal-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  padding: 16px;
  background: var(--bg-root);
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.spec-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spec-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}

.modal-releases-box {
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 16px;
}

.release-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.release-item:last-child {
  border-bottom: none;
}

.release-ver-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.release-notes {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

/* User Library Drawer */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 400px;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  z-index: 160;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  display: flex;
  flex-direction: column;
}

.drawer-overlay.active .drawer {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-body {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.library-item {
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.library-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Admin Panel Styles
   ========================================================================== */
.admin-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 40px 0 80px;
}

.admin-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 18px;
}

.kpi-label {
  font-size: 11.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
  margin-bottom: 6px;
}

.kpi-val {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--text-primary);
}

.admin-table-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
}

.admin-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th {
  padding: 10px 14px;
  font-size: 11.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-subtle);
}

.admin-table td {
  padding: 12px 14px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--border-subtle);
}

.admin-table tr:hover td {
  background: var(--bg-surface-hover);
}

/* File Drop Area */
.file-dropzone {
  border: 1px dashed var(--border-active);
  border-radius: 6px;
  padding: 28px 20px;
  text-align: center;
  background: var(--bg-root);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.file-dropzone:hover, .file-dropzone.dragover {
  border-color: var(--text-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-root);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 32px;
  margin-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-brand-tagline {
  color: var(--text-secondary);
  font-size: 13.5px;
  max-width: 360px;
  margin-top: 10px;
}

.footer-col-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  font-size: 13.5px;
  color: var(--text-secondary);
  transition: color 0.15s;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 12.5px;
}

/* ==========================================================================
   Responsive
   Desktop: > 1024px | Tablet: 601-1024px | Mobile: <= 600px
   ========================================================================== */

/* Evita desbordes horizontales en pantallas muy angostas */
html, body { overflow-x: hidden; }
img, svg { max-width: 100%; }
.product-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 310px), 1fr)); }
.portfolio-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }

/* ---- Tablet (<= 1024px) ---- */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .hero-section { padding: 64px 0 48px; }
  .section { padding: 56px 0; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; }
  .nav-actions { gap: 8px; }
  .nav-menu { gap: 18px; }
}

/* ---- Tablet chico / móvil grande (<= 860px) ---- */
@media (max-width: 860px) {
  /* El menú de secciones pasa a una segunda fila desplazable */
  .nav-container {
    flex-wrap: wrap;
    height: auto;
    padding-top: 10px;
    padding-bottom: 0;
    row-gap: 4px;
  }
  .nav-menu {
    display: flex;
    order: 3;
    width: 100%;
    gap: 22px;
    overflow-x: auto;
    white-space: nowrap;
    padding: 8px 0 10px;
    border-top: 1px solid var(--border-subtle);
    scrollbar-width: none;
  }
  .nav-menu::-webkit-scrollbar { display: none; }
  .nav-actions { flex-wrap: wrap; justify-content: flex-end; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .case-metrics-list { grid-template-columns: 1fr; }
  .quote-wrap { padding: 24px; }
  .catalog-search-row { flex-direction: column; align-items: stretch; }
  .search-input-wrap { max-width: none; min-width: 0; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ---- Móvil (<= 600px) ---- */
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .hero-section { padding: 40px 0 36px; }
  .hero-actions { margin-bottom: 36px; }
  .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
  .hero-stats { gap: 16px; padding-top: 24px; }
  .stat-num { font-size: 1.25rem; }
  .section { padding: 44px 0; }
  .section-header { margin-bottom: 24px; }
  .product-grid { grid-template-columns: 1fr; gap: 16px; }
  .case-study-card { padding: 20px; }
  .quote-wrap { padding: 18px; }
  #quote-form .btn, #btn-submit-quote { align-self: stretch !important; justify-content: center; }

  /* Pestañas del catálogo en una fila desplazable */
  .catalog-tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .catalog-tabs::-webkit-scrollbar { display: none; }
  .tab-btn { white-space: nowrap; flex: 0 0 auto; }

  /* Cabecera compacta: solo iconos en los botones de la barra */
  .brand-link span { font-size: .95rem; }
  .nav-container { justify-content: space-between; }
  .nav-actions { gap: 6px; }
  #btn-open-library > span:not(.badge), #auth-container .btn span, .user-profile-badge span { display: none; }
  .user-profile-badge { padding: 2px; }

  /* Modal y panel lateral a pantalla casi completa */
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal-card { max-height: 94vh; border-radius: 12px 12px 0 0; }
  .modal-spec-grid { grid-template-columns: repeat(2, 1fr); }
  .modal-footer { padding: 14px 16px; }
  .modal-footer .btn { flex: 1 1 100%; justify-content: center; }
  .drawer { max-width: 100%; }
}

/* ---- Móvil chico (<= 380px) ---- */
@media (max-width: 380px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .pill-btn { padding: 4px 6px; }
  .modal-spec-grid { grid-template-columns: 1fr; }
}

/* Respeta usuarios que prefieren menos movimiento */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}