/**
 * SBTC Company Brand Design System
 * Strict Palette Enforcement:
 * 1. #00868a (Primary Teal)
 * 2. #c97a1c (Accent Orange - WCAG AA Compliant)
 * 3. #88c5c4 (Soft Mint Teal)
 * 4. #f7c12a (Golden Amber)
 * 5. #04504e (Deep Dark Teal)
 */

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

:root {
  /* 5 Canonical Company Brand Colors */
  --sbtc-primary: #00868a;
  --sbtc-orange: #c97a1c;
  --sbtc-soft-teal: #88c5c4;
  --sbtc-gold: #f7c12a;
  --sbtc-dark-teal: #04504e;

  /* Aliased System Colors */
  --color-primary: #00868a;
  --color-primary-dark: #04504e;
  --color-primary-light: #88c5c4;
  --color-accent: #c97a1c;
  --color-gold: #f7c12a;

  /* Neutral Canvas & Surfaces */
  --bg-page: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-dark: #04504e;

  /* Typography Colors */
  --text-primary: #04504e;
  --text-body: #1e293b;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --text-light: #f8fafc;

  /* Hairline Borders */
  --border-subtle: rgba(4, 80, 78, 0.12);
  --border-card: #e2e8f0;
  --border-hover: #88c5c4;
  --border-active: #00868a;

  /* Precision Shadows */
  --shadow-micro: 0 1px 2px 0 rgba(4, 80, 78, 0.05);
  --shadow-subtle: 0 4px 6px -1px rgba(4, 80, 78, 0.04), 0 2px 4px -2px rgba(4, 80, 78, 0.03);
  --shadow-tech: 0 10px 25px -5px rgba(4, 80, 78, 0.08), 0 8px 10px -6px rgba(4, 80, 78, 0.04);
  --shadow-teal-glow: 0 0 0 1px rgba(0, 134, 138, 0.25), 0 8px 24px -4px rgba(0, 134, 138, 0.2);
  --shadow-orange-glow: 0 0 0 1px rgba(201, 122, 28, 0.25), 0 8px 24px -4px rgba(201, 122, 28, 0.2);

  /* Geometry & Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

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

  /* Fast Snappy Easing */
  --ease-snappy: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */
html {
  font-family: var(--font-body);
  color: var(--text-body);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  overflow-y: auto !important;
  height: auto !important;
  min-height: 100%;
}

body {
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  overflow-x: hidden;
  overflow-y: auto !important;
  height: auto !important;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--sbtc-dark-teal);
  letter-spacing: -0.025em;
  font-weight: 700;
}

/* ==========================================================================
   Brand Background Textures
   ========================================================================== */
.tech-dot-bg {
  background-image: radial-gradient(rgba(0, 134, 138, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
}

.tech-grid-bg {
  background-image: 
    linear-gradient(rgba(0, 134, 138, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 134, 138, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}

.tech-hero-radial {
  background-image: 
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(136, 197, 196, 0.22), transparent 70%),
    radial-gradient(ellipse 50% 40% at 90% 90%, rgba(201, 122, 28, 0.08), transparent 70%);
}

/* ==========================================================================
   Precision Cards
   ========================================================================== */
.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
  transition: border-color var(--duration-normal) var(--ease-snappy),
              box-shadow var(--duration-normal) var(--ease-snappy),
              transform var(--duration-normal) var(--ease-snappy);
}

.tech-card:hover {
  border-color: var(--sbtc-soft-teal);
  box-shadow: var(--shadow-tech);
  transform: translateY(-2px);
}

.tech-card-subtle {
  background: var(--bg-subtle);
  border-color: var(--border-subtle);
  box-shadow: none;
}

.tech-card-subtle:hover {
  background: #ffffff;
  border-color: var(--sbtc-soft-teal);
}

.tech-card-highlight {
  border-color: rgba(0, 134, 138, 0.35);
  box-shadow: var(--shadow-teal-glow);
  background: linear-gradient(180deg, #ffffff 0%, #f4fbfb 100%);
}

/* ==========================================================================
   Brand Status Pills & Chips
   ========================================================================== */
.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;
  background: rgba(4, 80, 78, 0.06);
  color: var(--sbtc-dark-teal);
  border: 1px solid rgba(4, 80, 78, 0.12);
  transition: all var(--duration-fast) var(--ease-snappy);
}

.tech-pill-teal {
  background: rgba(0, 134, 138, 0.1);
  color: var(--sbtc-primary);
  border-color: rgba(0, 134, 138, 0.25);
}

.tech-pill-orange {
  background: rgba(201, 122, 28, 0.12);
  color: var(--sbtc-orange);
  border-color: rgba(201, 122, 28, 0.3);
}

.tech-pill-gold {
  background: rgba(247, 193, 42, 0.15);
  color: #a87600;
  border-color: rgba(247, 193, 42, 0.4);
}

.tech-pill-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sbtc-orange);
  box-shadow: 0 0 6px var(--sbtc-orange);
}

/* ==========================================================================
   Action Buttons (Using Exact 5 Colors)
   ========================================================================== */
.btn-tech-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--sbtc-dark-teal);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--sbtc-dark-teal);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-snappy);
  box-shadow: 0 2px 8px rgba(4, 80, 78, 0.25);
}

.btn-tech-primary:hover {
  background: var(--sbtc-primary);
  border-color: var(--sbtc-primary);
  color: #ffffff !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 134, 138, 0.3);
}

.btn-tech-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #ffffff;
  color: var(--sbtc-dark-teal) !important;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-snappy);
  box-shadow: var(--shadow-micro);
}

.btn-tech-secondary:hover {
  background: #f8fafc;
  border-color: var(--sbtc-soft-teal);
  color: var(--sbtc-primary) !important;
  transform: translateY(-1px);
}

.btn-tech-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--sbtc-orange);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--sbtc-orange);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-snappy);
  box-shadow: var(--shadow-orange-glow);
}

.btn-tech-accent:hover {
  background: #b06a15;
  border-color: #b06a15;
  color: #ffffff !important;
  transform: translateY(-1px);
}

.btn-tech-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--sbtc-gold);
  color: var(--sbtc-dark-teal) !important;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--sbtc-gold);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-snappy);
}

.btn-tech-gold:hover {
  background: #e5b020;
  transform: translateY(-1px);
}

/* ==========================================================================
   Inputs & Form Controls
   ========================================================================== */
.tech-input {
  width: 100%;
  background: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--sbtc-dark-teal);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-snappy),
              box-shadow var(--duration-fast) var(--ease-snappy);
}

.tech-input:focus {
  border-color: var(--sbtc-primary);
  box-shadow: 0 0 0 3px rgba(0, 134, 138, 0.15);
}

.tech-input::placeholder {
  color: var(--text-dim);
}

/* ==========================================================================
   Metric Stats
   ========================================================================== */
.tech-stat-value {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--sbtc-dark-teal);
  line-height: 1;
}

.tech-stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ==========================================================================
   Header Navigation Bar
   ========================================================================== */
.tech-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color var(--duration-normal) ease,
              box-shadow var(--duration-normal) ease;
}

.tech-nav.scrolled {
  border-color: rgba(4, 80, 78, 0.15);
  box-shadow: 0 4px 20px -4px rgba(4, 80, 78, 0.08);
}

.tech-nav-link {
  color: var(--sbtc-dark-teal);
  font-weight: 600;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--duration-fast) ease, background-color var(--duration-fast) ease;
}

.tech-nav-link:hover,
.tech-nav-link.active,
.tech-dropdown-group:hover .tech-nav-link {
  color: var(--sbtc-primary);
  background: rgba(0, 134, 138, 0.06);
}

/* Dropdown Menu Architecture */
.tech-dropdown-group {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.tech-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.98);
  transform-origin: top left;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.2s;
  pointer-events: none;
  z-index: 60;
}

.tech-dropdown-menu.align-right {
  left: auto;
  right: 0;
  transform-origin: top right;
}

.tech-dropdown-group:hover .tech-dropdown-menu,
.tech-dropdown-group:focus-within .tech-dropdown-menu,
.tech-dropdown-group.is-open .tech-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.tech-dropdown-panel {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(4, 80, 78, 0.12);
  border-radius: 16px;
  box-shadow: 0 20px 40px -10px rgba(4, 80, 78, 0.15), 0 0 1px 1px rgba(0, 134, 138, 0.05);
  overflow: hidden;
}

.tech-dropdown-chevron {
  transition: transform 0.2s ease;
}

.tech-dropdown-group:hover .tech-dropdown-chevron,
.tech-dropdown-group:focus-within .tech-dropdown-chevron,
.tech-dropdown-group.is-open .tech-dropdown-chevron {
  transform: rotate(180deg);
}

.tech-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.tech-dropdown-item:hover {
  background: rgba(0, 134, 138, 0.06);
  transform: translateX(3px);
}

.tech-dropdown-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.tech-dropdown-item:hover .tech-dropdown-icon {
  transform: scale(1.08);
}

/* Scroll progress bar */
#scroll-progress-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sbtc-primary) 0%, var(--sbtc-orange) 50%, var(--sbtc-gold) 100%);
  width: 0%;
  z-index: 100;
  transition: width 50ms linear;
}