/**
 * NoisyCat.dev — Minimalist Monochromatic Presentation Stylesheet
 * Pure Black, White & Grayscale Aesthetic — Zero Highlighter, Zero Sales Clutter
 */

/* ==========================================================================
   1. RESET & PRESENTATION DECK FOUNDATION
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--nc-bg-app);
  color: var(--nc-text-primary);
  font-family: var(--nc-font-sans);
  font-size: var(--nc-text-base);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  transition: background-color var(--nc-transition-normal), color var(--nc-transition-normal);
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle Technical Grid Background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--nc-border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--nc-border-subtle) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--nc-space-6);
  position: relative;
  z-index: 1;
}

.w-full {
  width: 100%;
}

/* ==========================================================================
   2. HEADER & NAVIGATION BAR
   ========================================================================== */
.site-header {
  height: 72px;
  flex-shrink: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: var(--nc-bg-surface-overlay);
  border-bottom: 1px solid var(--nc-border-default);
  transition: background-color var(--nc-transition-normal), border-color var(--nc-transition-normal);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Brand Link */
.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: opacity var(--nc-transition-fast);
}

.brand-link:hover {
  opacity: 0.8;
}

.brand-symbol-img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.brand-text-wrap {
  display: flex;
  align-items: baseline;
  font-family: var(--nc-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-name {
  color: var(--nc-text-primary);
}

.brand-dot-dev {
  color: var(--nc-text-muted);
  font-family: var(--nc-font-mono);
  font-size: 0.95rem;
}

/* Horizontal Slide Navigation Links */
.nav-center {
  display: flex;
  align-items: center;
  gap: var(--nc-space-2);
  list-style: none;
}

.nav-link {
  font-family: var(--nc-font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--nc-text-muted);
  padding: 6px 14px;
  border-radius: var(--nc-radius-full);
  border: 1px solid transparent;
  transition: all var(--nc-transition-fast);
  white-space: nowrap;
}

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

.nav-link.active {
  color: var(--nc-text-primary);
  background: var(--nc-bg-surface-elevated);
  border-color: var(--nc-border-strong);
}

/* Right Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--nc-space-3);
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-full);
  padding: 2px;
}

.lang-btn {
  font-family: var(--nc-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  background: transparent;
  border: none;
  color: var(--nc-text-muted);
  padding: 4px 10px;
  border-radius: var(--nc-radius-full);
  cursor: pointer;
  transition: all var(--nc-transition-fast);
}

.lang-btn.active {
  background: var(--nc-text-primary);
  color: var(--nc-text-inverse);
}

.theme-btn {
  font-family: var(--nc-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  color: var(--nc-text-primary);
  padding: 6px 14px;
  border-radius: var(--nc-radius-full);
  cursor: pointer;
  transition: all var(--nc-transition-fast);
}

.theme-btn:hover {
  border-color: var(--nc-border-strong);
}

.mobile-menu-btn {
  display: none;
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  color: var(--nc-text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--nc-radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-menu-btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   3. PRESENTATION SLIDE DECK VIEWPORT & TRACK (5 SLIDES)
   ========================================================================== */
.deck-viewport {
  flex: 1;
  width: 100vw;
  height: calc(100vh - 72px - 56px);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.deck-track {
  display: flex;
  flex-direction: row;
  height: 100%;
  width: 500vw; /* 5 slides x 100vw */
  transition: transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.deck-slide {
  flex: 0 0 100vw;
  width: 100vw;
  height: 100%;
  box-sizing: border-box;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--nc-space-6) 0;
  scroll-behavior: smooth;
}

.deck-slide::-webkit-scrollbar {
  width: 6px;
}
.deck-slide::-webkit-scrollbar-track {
  background: transparent;
}
.deck-slide::-webkit-scrollbar-thumb {
  background: var(--nc-color-gray-800);
  border-radius: 3px;
}

.slide-content-wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--nc-space-4) var(--nc-space-6);
}

/* Slide Header Headings */
.slide-heading {
  margin-bottom: var(--nc-space-8);
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.slide-tag {
  margin-bottom: var(--nc-space-4);
}

.slide-title {
  font-family: var(--nc-font-display);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: var(--nc-space-3);
}

.slide-lead {
  font-size: 1.05rem;
  color: var(--nc-text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   4. SLIDE 0: HOME (CENTERED HERO LOGO & TAGLINE)
   ========================================================================== */
.hero-centered-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--nc-space-8);
  min-height: calc(100vh - 72px - 56px - 60px);
}

.hero-primary-logo-img {
  width: 100%;
  max-width: 440px;
  height: auto;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.hero-tagline {
  font-family: var(--nc-font-mono);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--nc-text-secondary);
}

/* ==========================================================================
   5. SLIDE 1 & 2: PRODUCTOS & SITES
   ========================================================================== */
/* Products List & Card Showcase */
.products-list {
  display: flex;
  flex-direction: column;
  gap: var(--nc-space-5);
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

.product-card {
  background: var(--nc-bg-surface);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-xl);
  padding: var(--nc-space-8);
  display: flex;
  align-items: flex-start;
  gap: var(--nc-space-6);
  transition: border-color var(--nc-transition-normal), background-color var(--nc-transition-normal), transform var(--nc-transition-fast);
}

.product-card:hover {
  border-color: var(--nc-border-strong);
  background: var(--nc-bg-surface-elevated);
}

.product-card-visual {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--nc-radius-lg);
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.product-card-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--nc-radius-lg);
}

.product-card-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--nc-space-3);
}

.product-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nc-space-4);
  flex-wrap: wrap;
}

.product-card-headings {
  display: flex;
  align-items: center;
  gap: var(--nc-space-3);
  flex-wrap: wrap;
}

.product-card-title {
  font-family: var(--nc-font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--nc-text-primary);
  letter-spacing: -0.015em;
  margin: 0;
}

.product-card-badge {
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.product-card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  color: var(--nc-text-primary);
  padding: 6px 14px;
  border-radius: var(--nc-radius-full);
  font-family: var(--nc-font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--nc-transition-fast);
  white-space: nowrap;
}

.product-card-action:hover {
  background: var(--nc-text-primary);
  color: var(--nc-text-inverse);
  border-color: var(--nc-text-primary);
  transform: translateY(-1px);
}

.product-card-action .action-arrow {
  font-size: 0.95rem;
  line-height: 1;
  transition: transform var(--nc-transition-fast);
}

.product-card-action:hover .action-arrow {
  transform: translate(2px, -2px);
}

.product-card-desc {
  font-size: 0.95rem;
  color: var(--nc-text-secondary);
  line-height: 1.65;
  margin: 0;
}

.products-footer-note {
  max-width: 820px;
  margin: var(--nc-space-6) auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--nc-space-3);
  text-align: center;
  flex-wrap: wrap;
}

.products-footer-text {
  font-size: 0.85rem;
  color: var(--nc-text-muted);
  line-height: 1.5;
  margin: 0;
}

.empty-showcase-card {
  background: var(--nc-bg-surface);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-lg);
  padding: var(--nc-space-10);
  text-align: center;
  max-width: 620px;
  margin: var(--nc-space-4) auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--nc-space-3);
}

.empty-card-title {
  font-family: var(--nc-font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--nc-text-primary);
  margin-top: var(--nc-space-1);
}

.empty-card-desc {
  font-size: 0.95rem;
  color: var(--nc-text-secondary);
  line-height: 1.65;
  max-width: 480px;
}

/* ==========================================================================
   6. SLIDE 3: NOSOTROS (GATEWAY TO FULL ABOUT VIEW)
   ========================================================================== */
.about-gateway-panel {
  background: var(--nc-bg-surface);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-xl);
  padding: var(--nc-space-12) var(--nc-space-10);
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-gateway-title {
  font-family: var(--nc-font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--nc-text-primary);
  margin-bottom: var(--nc-space-4);
  max-width: 640px;
}

.about-gateway-lead {
  font-size: 1.05rem;
  color: var(--nc-text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: var(--nc-space-8);
}

.about-gateway-action {
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   7. SLIDE 4: CONTACTO
   ========================================================================== */
.contact-panel {
  background: var(--nc-bg-surface);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-xl);
  padding: var(--nc-space-12) var(--nc-space-10);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.contact-title {
  font-family: var(--nc-font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: var(--nc-space-3);
}

.contact-desc {
  font-size: 1.05rem;
  color: var(--nc-text-secondary);
  max-width: 540px;
  margin: 0 auto var(--nc-space-8);
  line-height: 1.65;
}

.contact-action-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--nc-space-6);
}

.email-copy-bar {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-full);
  padding: 8px 10px 8px 20px;
}

.email-address {
  font-family: var(--nc-font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--nc-text-primary);
  transition: opacity var(--nc-transition-fast);
}

.email-address:hover {
  opacity: 0.8;
}

.btn-copy {
  background: var(--nc-bg-app);
  border: 1px solid var(--nc-border-default);
  color: var(--nc-text-secondary);
  padding: 5px 12px;
  border-radius: var(--nc-radius-full);
  font-family: var(--nc-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--nc-transition-fast);
}

.btn-copy:hover {
  background: var(--nc-text-primary);
  color: var(--nc-text-inverse);
  border-color: var(--nc-text-primary);
}

.contact-channels {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--nc-space-3);
  flex-wrap: wrap;
}

.channel-pill {
  font-family: var(--nc-font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--nc-text-secondary);
  padding: 7px 16px;
  border-radius: var(--nc-radius-full);
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  transition: all var(--nc-transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.channel-pill:hover {
  border-color: var(--nc-border-strong);
  color: var(--nc-text-primary);
}

/* ==========================================================================
   8. DEDICATED VIEW: SOBRE NOISYCAT.DEV (FULL EDITORIAL READING VIEW)
   ========================================================================== */
.about-full-view {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--nc-bg-app);
  z-index: 95;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--nc-space-8) 0 var(--nc-space-20);
  animation: fadeInView 0.25s ease-out;
}

@keyframes fadeInView {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.about-full-view::-webkit-scrollbar {
  width: 6px;
}
.about-full-view::-webkit-scrollbar-track {
  background: transparent;
}
.about-full-view::-webkit-scrollbar-thumb {
  background: var(--nc-color-gray-700);
  border-radius: 3px;
}

.about-full-container {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--nc-space-6);
}

.about-view-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--nc-space-6);
  margin-bottom: var(--nc-space-8);
  border-bottom: 1px solid var(--nc-border-default);
}

.about-view-meta {
  font-family: var(--nc-font-mono);
  font-size: 0.75rem;
  color: var(--nc-text-muted);
}

.about-article-header {
  margin-bottom: var(--nc-space-10);
}

.about-article-title {
  font-family: var(--nc-font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin: var(--nc-space-4) 0;
  color: var(--nc-text-primary);
}

.about-article-intro {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--nc-text-primary);
  line-height: 1.6;
  margin-bottom: var(--nc-space-4);
}

.about-article-text {
  font-size: 1rem;
  color: var(--nc-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--nc-space-4);
}

.about-divider {
  border: none;
  border-top: 1px solid var(--nc-border-default);
  margin: var(--nc-space-10) 0;
}

.about-block {
  margin-bottom: var(--nc-space-6);
}

.about-block-header {
  display: flex;
  align-items: baseline;
  gap: var(--nc-space-3);
  margin-bottom: var(--nc-space-6);
}

.about-section-num {
  font-family: var(--nc-font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--nc-text-muted);
}

.about-section-title {
  font-family: var(--nc-font-display);
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--nc-text-primary);
}

.about-block-lead {
  font-size: 1rem;
  color: var(--nc-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--nc-space-6);
}

/* Grids inside About Full View */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--nc-space-5);
}

.pillar-card {
  background: var(--nc-bg-surface);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-md);
  padding: var(--nc-space-6);
  display: flex;
  flex-direction: column;
}

.pillar-header {
  margin-bottom: var(--nc-space-2);
}

.pillar-num {
  font-family: var(--nc-font-mono);
  font-size: 0.78rem;
  color: var(--nc-text-muted);
}

.pillar-title {
  font-family: var(--nc-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--nc-space-2);
  color: var(--nc-text-primary);
}

.pillar-body {
  font-size: 0.92rem;
  color: var(--nc-text-secondary);
  line-height: 1.65;
}

.essence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--nc-space-5);
}

.essence-card {
  background: var(--nc-bg-surface);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-md);
  padding: var(--nc-space-6);
}

.essence-card-title {
  font-family: var(--nc-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--nc-space-3);
  color: var(--nc-text-primary);
}

.essence-text {
  font-size: 0.92rem;
  color: var(--nc-text-secondary);
  line-height: 1.68;
  margin-bottom: var(--nc-space-3);
}

.essence-text:last-child {
  margin-bottom: 0;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--nc-space-5);
}

.capability-card {
  background: var(--nc-bg-surface);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-md);
  padding: var(--nc-space-6);
}

.capability-card-wide {
  grid-column: span 2;
}

.cap-title {
  font-family: var(--nc-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--nc-space-2);
  color: var(--nc-text-primary);
}

.cap-desc {
  font-size: 0.92rem;
  color: var(--nc-text-secondary);
  line-height: 1.6;
}

.method-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--nc-space-4);
}

.method-step {
  background: var(--nc-bg-surface);
  border: 1px solid var(--nc-border-default);
  border-radius: var(--nc-radius-md);
  padding: var(--nc-space-5);
}

.step-num {
  font-family: var(--nc-font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--nc-text-muted);
  margin-bottom: var(--nc-space-2);
}

.step-name {
  font-family: var(--nc-font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--nc-space-2);
  color: var(--nc-text-primary);
}

.step-desc {
  font-size: 0.85rem;
  color: var(--nc-text-secondary);
  line-height: 1.55;
}

.about-view-bottombar {
  margin-top: var(--nc-space-10);
  padding-top: var(--nc-space-6);
  border-top: 1px solid var(--nc-border-default);
  display: flex;
  justify-content: flex-start;
}

/* ==========================================================================
   9. PRESENTATION DECK CONTROLS (CENTERED BOTTOM BAR)
   ========================================================================== */
.deck-controls {
  height: 56px;
  flex-shrink: 0;
  z-index: 90;
  background: var(--nc-bg-surface-overlay);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--nc-border-default);
  display: flex;
  align-items: center;
}

.deck-controls-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--nc-space-5);
  width: 100%;
}

/* Progress Step Pills */
.deck-progress-steps {
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-step-pill {
  height: 5px;
  width: 28px;
  background: var(--nc-border-default);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--nc-transition-fast);
}

.progress-step-pill:hover {
  background: var(--nc-text-muted);
}

.progress-step-pill.active {
  background: var(--nc-text-primary);
  width: 44px;
}

.progress-step-pill.completed {
  background: var(--nc-text-muted);
}

/* Previous / Next Arrow-Only Buttons */
.deck-btn-nav {
  font-family: var(--nc-font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  color: var(--nc-text-primary);
  width: 34px;
  height: 34px;
  border-radius: var(--nc-radius-full);
  cursor: pointer;
  transition: all var(--nc-transition-fast);
}

.deck-btn-nav:hover:not(:disabled) {
  border-color: var(--nc-border-strong);
}

.deck-btn-nav:disabled,
.deck-btn-nav.disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ==========================================================================
   10. BUTTONS & UI UTILITIES
   ========================================================================== */
.btn {
  font-family: var(--nc-font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--nc-radius-full);
  cursor: pointer;
  transition: all var(--nc-transition-fast);
  border: 1px solid transparent;
}

.btn-sm {
  font-size: 0.82rem;
  padding: 7px 16px;
}

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

.btn-primary:hover {
  opacity: 0.88;
}

.btn-secondary {
  background: var(--nc-bg-surface-elevated);
  border-color: var(--nc-border-default);
  color: var(--nc-text-primary);
}

.btn-secondary:hover {
  border-color: var(--nc-border-strong);
}

/* Badges */
.badge-neutral {
  font-family: var(--nc-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--nc-text-muted);
  background: var(--nc-bg-surface-elevated);
  border: 1px solid var(--nc-border-default);
  padding: 4px 10px;
  border-radius: var(--nc-radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 76px;
  right: 28px;
  background: var(--nc-text-primary);
  color: var(--nc-text-inverse);
  border-radius: var(--nc-radius-sm);
  padding: 9px 16px;
  font-family: var(--nc-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  z-index: 1000;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: all var(--nc-transition-fast);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Drawer */
.nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 280px;
  height: 100vh;
  background: var(--nc-bg-surface);
  border-left: 1px solid var(--nc-border-default);
  z-index: 200;
  display: flex;
  flex-direction: column;
  padding: var(--nc-space-6);
  transition: right 0.25s ease;
}

.nav-drawer.open {
  right: 0;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--nc-space-5);
  border-bottom: 1px solid var(--nc-border-subtle);
  margin-bottom: var(--nc-space-5);
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--nc-font-display);
  font-weight: 700;
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--nc-space-2);
}

.nav-drawer-link {
  font-family: var(--nc-font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--nc-text-secondary);
  padding: 10px 14px;
  border-radius: var(--nc-radius-sm);
  display: block;
  transition: all var(--nc-transition-fast);
}

.nav-drawer-link:hover,
.nav-drawer-link.active {
  color: var(--nc-text-primary);
  background: var(--nc-bg-surface-elevated);
}

.drawer-footer {
  margin-top: auto;
  padding-top: var(--nc-space-5);
  border-top: 1px solid var(--nc-border-subtle);
}

/* ==========================================================================
   11. RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-primary-logo-img {
    max-width: 360px;
  }
  .method-flow {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-center {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .hero-primary-logo-img {
    max-width: 280px;
  }
  .hero-tagline {
    font-size: 1rem;
  }
  .slide-title,
  .about-gateway-title,
  .contact-title {
    font-size: 1.65rem;
  }
  .about-article-title {
    font-size: 1.85rem;
  }
  .pillars-grid,
  .essence-grid,
  .capabilities-grid,
  .method-flow {
    grid-template-columns: 1fr;
  }
  .capability-card-wide {
    grid-column: span 1;
  }
  .about-gateway-panel,
  .contact-panel {
    padding: var(--nc-space-8) var(--nc-space-5);
  }
  .product-card {
    flex-direction: column;
    padding: var(--nc-space-6);
    gap: var(--nc-space-4);
  }
  .product-card-visual {
    width: 60px;
    height: 60px;
  }
  .product-card-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--nc-space-3);
  }
  .product-card-action {
    width: 100%;
    justify-content: center;
  }
}