/* ==========================================================================
   BitDev - Modern Web Development Stylesheet
   Brand Colors: Vibrant Orange (#F45017) & Slate Charcoal (#0F172A)
   ========================================================================== */

:root {
  /* Brand Palette */
  --brand-orange: #F45017;
  --brand-orange-light: #FF6E38;
  --brand-orange-dark: #D83B06;
  --brand-orange-glow: rgba(244, 80, 23, 0.28);
  --brand-orange-subtle: rgba(244, 80, 23, 0.08);
  --brand-orange-border: rgba(244, 80, 23, 0.35);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, Menlo, Monaco, monospace;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 35px var(--brand-orange-glow);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* --------------------------------------------------------------------------
   Color Themes (Default: Modern Tech Dark)
   -------------------------------------------------------------------------- */
:root[data-theme="dark"],
:root:not([data-theme="light"]) {
  --bg-canvas: #090D16;
  --bg-surface: #0F172A;
  --bg-surface-elevated: #1E293B;
  --bg-glass: rgba(15, 23, 42, 0.75);
  --bg-card: rgba(30, 41, 59, 0.55);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-strong: rgba(255, 255, 255, 0.25);
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --grid-color: rgba(255, 255, 255, 0.03);
  --nav-backdrop: rgba(9, 13, 22, 0.85);
}

:root[data-theme="light"] {
  --bg-canvas: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.82);
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #FFFFFF;
  
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.14);
  --border-strong: rgba(15, 23, 42, 0.24);
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  
  --grid-color: rgba(15, 23, 42, 0.035);
  --nav-backdrop: rgba(248, 250, 252, 0.88);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Ambient Background Lights & Grid */
.ambient-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow-top {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 550px;
  background: radial-gradient(circle, rgba(244, 80, 23, 0.18) 0%, rgba(244, 80, 23, 0.04) 50%, transparent 70%);
  filter: blur(40px);
}

.ambient-glow-bottom {
  position: absolute;
  bottom: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(244, 80, 23, 0.12) 0%, transparent 65%);
  filter: blur(60px);
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 80%);
}

/* --------------------------------------------------------------------------
   Container & Layout
   -------------------------------------------------------------------------- */
.page-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --------------------------------------------------------------------------
   Navigation Bar
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background-color: var(--nav-backdrop);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0.75rem;
  transition: opacity var(--transition-fast);
}

.brand-link:hover {
  opacity: 0.9;
}

.nav-logo-img,
.nav-logo-svg {
  height: 40px;
  width: auto;
  display: block;
  color: var(--text-primary);
}

/* Controls: Language, Theme, CTA */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Status Indicator */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
  animation: pulse-dot 2.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

/* Language Selector Pills */
.lang-selector {
  display: flex;
  align-items: center;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.lang-btn.active {
  background-color: var(--brand-orange);
  color: #FFFFFF;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--brand-orange);
  border-color: var(--brand-orange-border);
  transform: translateY(-1px);
}

.theme-icon-dark,
.theme-icon-light {
  width: 18px;
  height: 18px;
  display: block;
}

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

/* Contact Nav Button */
.btn-nav-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  background: linear-gradient(135deg, var(--brand-orange-light), var(--brand-orange));
  border: none;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-smooth);
  box-shadow: 0 2px 8px var(--brand-orange-glow);
}

.btn-nav-contact:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--brand-orange-glow);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--brand-orange);
  background-color: var(--brand-orange-subtle);
  border: 1px solid var(--brand-orange-border);
  border-radius: var(--radius-full);
  margin-bottom: 1.75rem;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--brand-orange-light) 0%, var(--brand-orange) 50%, #FF9066 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero CTA Row */
.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: #FFFFFF;
  background: linear-gradient(135deg, var(--brand-orange-light), var(--brand-orange));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  box-shadow: 0 4px 18px var(--brand-orange-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--brand-orange-glow);
  background: linear-gradient(135deg, #FF7B47, var(--brand-orange));
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--brand-orange-border);
  color: var(--brand-orange);
  transform: translateY(-2px);
}

/* Quick Email Badge in Hero */
.email-display-card {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.email-display-card a {
  color: var(--brand-orange);
  text-decoration: none;
  font-weight: 600;
}

.email-display-card a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Multilingual Spotlight Banner (Preserving & Elevating NL, EN, ES)
   -------------------------------------------------------------------------- */
.multilingual-section {
  padding: 1.5rem 0 3.5rem;
}

.multilingual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.lang-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
}

.lang-card:hover {
  border-color: var(--brand-orange-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.lang-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.lang-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brand-orange);
  background-color: var(--brand-orange-subtle);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.lang-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.lang-card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.lang-card-action {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--brand-orange);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition-fast);
}

.lang-card-action:hover {
  gap: 0.55rem;
}

/* --------------------------------------------------------------------------
   Services / Capabilities Grid
   -------------------------------------------------------------------------- */
.services-section {
  padding: 3.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3rem;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-orange);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-orange), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.service-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--brand-orange-border);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--brand-orange-subtle);
  border: 1px solid var(--brand-orange-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-orange);
  margin-bottom: 1.25rem;
  transition: transform var(--transition-smooth);
}

.service-card:hover .service-icon-box {
  transform: scale(1.08) rotate(-2deg);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   Tech Stack / Capabilities Ticker
   -------------------------------------------------------------------------- */
.tech-section {
  padding: 2.5rem 0 3.5rem;
  text-align: center;
}

.tech-pills-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tech-pill:hover {
  border-color: var(--brand-orange-border);
  color: var(--brand-orange);
  background-color: var(--bg-surface-elevated);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Contact Callout Section
   -------------------------------------------------------------------------- */
.contact-section {
  padding: 4rem 0 6rem;
}

.contact-card {
  position: relative;
  background: linear-gradient(145deg, var(--bg-surface) 0%, var(--bg-surface-elevated) 100%);
  border: 1px solid var(--brand-orange-border);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2.5rem;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 250px;
  background: radial-gradient(circle, var(--brand-orange-glow) 0%, transparent 70%);
  pointer-events: none;
}

.contact-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
}

.contact-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  position: relative;
}

.contact-interactive-box {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  position: relative;
}

.email-copy-bar {
  display: flex;
  align-items: center;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.35rem 0.35rem 1.25rem;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.email-copy-bar:hover {
  border-color: var(--brand-orange-border);
}

.email-text {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.email-text:hover {
  color: var(--brand-orange);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.1rem;
  background: linear-gradient(135deg, var(--brand-orange-light), var(--brand-orange));
  border: none;
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  opacity: 0.92;
  transform: scale(1.02);
}

.contact-meta-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--brand-orange);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

.toast-notice.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-canvas);
  padding: 3rem 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo-img,
.footer-logo-svg {
  height: 28px;
  width: auto;
  display: block;
  color: var(--text-primary);
}

.footer-copy {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--brand-orange);
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .multilingual-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-container {
    height: 68px;
  }
  
  .status-badge {
    display: none;
  }
  
  .hero {
    padding: 3.5rem 0 2.5rem;
  }
  
  .email-copy-bar {
    flex-direction: column;
    padding: 1rem;
    width: 100%;
    max-width: 320px;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .btn-nav-contact span {
    display: none;
  }
  
  .btn-nav-contact {
    padding: 0.5rem;
    border-radius: 50%;
  }
  
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
  }
}