/* ==========================================================================
   Andriyanto NA - Digital Twin Profile UI Styling
   Theme: Cyber-Agri Tech & Neural Glassmorphism
   ========================================================================== */

:root {
  --bg-primary: #07090e;
  --bg-secondary: #0d121d;
  --bg-card: rgba(16, 23, 38, 0.75);
  --bg-card-hover: rgba(22, 33, 54, 0.85);
  --bg-glass: rgba(13, 18, 29, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(16, 185, 129, 0.35);
  --border-cyan: rgba(6, 182, 212, 0.35);

  --emerald-400: #34d399;
  --emerald-500: #10b981;
  --emerald-600: #059669;
  --emerald-glow: rgba(16, 185, 129, 0.25);

  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.25);

  --indigo-400: #818cf8;
  --indigo-500: #6366f1;

  --amber-400: #fbbf24;
  --rose-400: #fb7185;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px var(--emerald-glow);
  --shadow-cyan: 0 0 25px var(--cyan-glow);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Background Animated Grid */
.bg-grid {
  position: fixed;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #34d399 0%, #22d3ee 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-emerald {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mono {
  font-family: var(--font-mono);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.12);
  color: var(--emerald-400);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.12);
  color: var(--cyan-400);
  border-color: rgba(6, 182, 212, 0.25);
}

.badge-indigo {
  background: rgba(99, 102, 241, 0.12);
  color: var(--indigo-400);
  border-color: rgba(99, 102, 241, 0.25);
}

/* Glass Card */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 0;
}

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

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.avatar-pulse {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--emerald-500), var(--cyan-500));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.avatar-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--emerald-400);
  opacity: 0.6;
  animation: pulse-ring 2.5s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

.brand-text h1 {
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald-400);
  box-shadow: 0 0 8px var(--emerald-400);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
}

.nav-btn:hover, .nav-btn.active {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
}

.nav-btn.active {
  background: rgba(16, 185, 129, 0.12);
  color: var(--emerald-400);
  border-color: rgba(16, 185, 129, 0.3);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ==========================================================================
   Section Sub-Navigation Bar (Cyber-Agri Glassmorphism Sticky Subnav)
   ========================================================================== */
.section-nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0 2rem;
  padding: 0.45rem;
  background: rgba(11, 16, 26, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  position: relative;
  z-index: 10;
}

.section-nav-tabs::-webkit-scrollbar {
  display: none;
}

.tab-control-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: inherit;
}

.tab-control-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.tab-control-btn.active {
  color: #030712;
  background: linear-gradient(135deg, var(--emerald-400), var(--cyan-400));
  border-color: transparent;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.35);
  font-weight: 700;
}

/* ==========================================================================
   Language Selector Dropdown (Luxury Cyber-Agri Glassmorphism)
   ========================================================================== */
.lang-dropdown-container {
  position: relative;
  display: inline-block;
  user-select: none;
  z-index: 150;
}

.lang-trigger-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(11, 18, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(16, 185, 129, 0.28);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.8rem 0.35rem 0.45rem;
  font-family: var(--font-main);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  outline: none;
}

.lang-trigger-btn:hover,
.lang-dropdown-container.open .lang-trigger-btn {
  background: rgba(16, 26, 42, 0.95);
  border-color: rgba(16, 185, 129, 0.6);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2), 0 8px 24px rgba(16, 185, 129, 0.25);
  transform: translateY(-1px);
}

.lang-trigger-btn:active {
  transform: translateY(0);
}

.lang-globe-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.15));
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--emerald-400);
  transition: all 0.3s ease;
}

.lang-trigger-btn:hover .lang-globe-box,
.lang-dropdown-container.open .lang-globe-box {
  background: linear-gradient(135deg, var(--emerald-500), var(--cyan-500));
  color: #030712;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.5);
  transform: rotate(20deg);
}

.lang-globe-box .globe-icon {
  width: 14px;
  height: 14px;
}

.current-lang-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.lang-trigger-flag {
  font-size: 0.95rem;
  line-height: 1;
}

.lang-trigger-code {
  font-family: var(--font-mono);
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.lang-trigger-btn .chevron-icon {
  width: 13px;
  height: 13px;
  color: var(--text-muted);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.2s ease;
  margin-left: 0.1rem;
}

.lang-dropdown-container.open .chevron-icon {
  transform: rotate(180deg);
  color: var(--emerald-400);
}

/* Dropdown Menu Container */
.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 260px;
  background: linear-gradient(180deg, rgba(13, 20, 36, 0.96) 0%, rgba(9, 13, 23, 0.98) 100%);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 0.6rem;
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(16, 185, 129, 0.15), 0 0 30px rgba(16, 185, 129, 0.12);
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  z-index: 300;
  transform-origin: top right;
  animation: dropdownPop 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.lang-dropdown-menu::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--emerald-400), var(--cyan-400), var(--indigo-400));
}

.lang-dropdown-container.open .lang-dropdown-menu {
  display: flex;
}

@keyframes dropdownPop {
  0% {
    opacity: 0;
    transform: translateY(-8px) scale(0.96);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Header inside Dropdown */
.lang-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.5rem 0.55rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  margin-bottom: 0.25rem;
}

.lang-header-left {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.lang-header-icon {
  width: 13px;
  height: 13px;
  color: var(--emerald-400);
}

.lang-header-badge {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  color: var(--emerald-400);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.lang-dropdown-list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

/* Language Item Button */
.lang-dropdown-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: left;
  width: 100%;
  outline: none;
}

.lang-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.09);
  color: var(--text-main);
  transform: translateX(3px);
}

.lang-dropdown-item.active {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.16) 0%, rgba(6, 182, 212, 0.08) 100%);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--text-main);
}

.lang-dropdown-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15%;
  bottom: 15%;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--emerald-400);
  box-shadow: 0 0 8px var(--emerald-400);
}

.lang-item-content {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.lang-flag-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 1.15rem;
  line-height: 1;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.lang-dropdown-item:hover .lang-flag-pill {
  transform: scale(1.08);
  background: rgba(255, 255, 255, 0.09);
}

.lang-dropdown-item.active .lang-flag-pill {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
}

.lang-text-group {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.lang-name {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.2;
}

.lang-dropdown-item.active .lang-name {
  color: var(--emerald-400);
}

.lang-subtext {
  font-size: 0.68rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.lang-active-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: transparent;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.lang-check-icon {
  width: 14px;
  height: 14px;
  color: var(--emerald-400);
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lang-dropdown-item.active .lang-active-badge {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.lang-dropdown-item.active .lang-check-icon {
  opacity: 1;
  transform: scale(1);
}

/* Language Change Notification Toast */
.lang-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: rgba(13, 20, 36, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-full);
  padding: 0.6rem 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(16, 185, 129, 0.2);
  z-index: 1000;
  transform: translateY(30px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

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

.lang-toast-icon {
  font-size: 1.1rem;
}

.lang-toast-text {
  font-family: var(--font-main);
}

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--emerald-500), #0d9488);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero-section {
  padding: 3rem 0 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: stretch;
}

.hero-content {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.5rem;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--emerald-400);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-bio {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.stat-item {
  text-align: center;
}

.stat-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.stat-lbl {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Digital Twin Neural Card (Hero Right) */
.twin-neural-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-color: rgba(16, 185, 129, 0.2);
  position: relative;
  overflow: hidden;
}

.twin-neural-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12), transparent 70%);
  pointer-events: none;
}

.twin-badge-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.hologram-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 1.25rem;
}

.hologram-ring {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.2));
  border: 2px dashed var(--emerald-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  animation: rotate-border 20s linear infinite;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.2);
}

@keyframes rotate-border {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hologram-inner {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #0d121d;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-400);
  font-size: 2rem;
}

.twin-location-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.neural-telemetry {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.telemetry-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}

.telemetry-row:last-child {
  margin-bottom: 0;
}

.telemetry-label {
  color: var(--text-dim);
}

.telemetry-value {
  color: var(--emerald-400);
  font-weight: 600;
}

/* Section Controls & Tabs */
.section-nav-tabs {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding: 0.5rem 0;
  margin: 1.5rem 0 2.5rem;
  scrollbar-width: none;
}

.section-nav-tabs::-webkit-scrollbar {
  display: none;
}

.tab-control-btn {
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.tab-control-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.15);
}

.tab-control-btn.active {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.15));
  color: #fff;
  border-color: var(--emerald-500);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

/* App View Containers */
.view-section {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.view-section.active {
  display: block;
}

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

/* ==========================================================================
   VIEW 1: AI DIGITAL TWIN CHAT
   ========================================================================== */
.chat-container-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
}

.chat-main-card {
  display: flex;
  flex-direction: column;
  height: 640px;
  border-color: rgba(16, 185, 129, 0.2);
  overflow: hidden;
}

.chat-header {
  padding: 1rem 1.5rem;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-twin-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.icon-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.icon-btn.active {
  color: var(--emerald-400);
  border-color: var(--emerald-500);
  background: rgba(16, 185, 129, 0.15);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  scroll-behavior: smooth;
}

.chat-msg {
  display: flex;
  gap: 0.85rem;
  max-width: 88%;
  animation: slideMsg 0.3s ease forwards;
}

@keyframes slideMsg {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg.twin {
  align-self: flex-start;
}

.msg-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.chat-msg.twin .msg-avatar {
  background: linear-gradient(135deg, var(--emerald-500), var(--cyan-500));
  color: #fff;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.chat-msg.user .msg-avatar {
  background: var(--border-subtle);
  color: var(--text-main);
}

.msg-bubble {
  padding: 0.9rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  line-height: 1.55;
  position: relative;
}

.chat-msg.twin .msg-bubble {
  background: rgba(22, 32, 51, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-top-left-radius: 4px;
}

.chat-msg.user .msg-bubble {
  background: linear-gradient(135deg, #059669, #0f766e);
  color: #fff;
  border-top-right-radius: 4px;
}

.msg-bubble p {
  margin-bottom: 0.6rem;
}

.msg-bubble p:last-child {
  margin-bottom: 0;
}

.msg-bubble ul, .msg-bubble ol {
  margin-left: 1.25rem;
  margin-bottom: 0.6rem;
}

.msg-bubble code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  color: var(--cyan-400);
}

.msg-audio-btn {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.msg-audio-btn:hover {
  color: var(--emerald-400);
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.8rem 1rem;
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald-400);
  opacity: 0.4;
  animation: typingAnim 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingAnim {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* Prompt Chips */
.chat-prompts-bar {
  padding: 0.65rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.chat-prompts-bar::-webkit-scrollbar {
  display: none;
}

.prompt-chip {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.prompt-chip:hover {
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-400);
  border-color: rgba(16, 185, 129, 0.35);
}

/* Chat Input Bar */
.chat-input-wrapper {
  padding: 0.85rem 1.25rem;
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid var(--border-subtle);
}

.chat-input-form {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.chat-input-field {
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  outline: none;
  transition: var(--transition-fast);
}

.chat-input-field:focus {
  border-color: var(--emerald-500);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.chat-send-btn {
  background: linear-gradient(135deg, var(--emerald-500), #0f766e);
  color: #fff;
  border: none;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
}

.chat-send-btn:hover {
  filter: brightness(1.1);
  transform: scale(1.02);
}

/* Chat Sidebar Controls */
.chat-side-controls {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.engine-settings-card {
  padding: 1.25rem;
}

.control-title {
  font-size: 0.88rem;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.engine-radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.engine-radio-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.engine-radio-label:hover {
  background: rgba(255, 255, 255, 0.06);
}

.engine-radio-label input[type="radio"] {
  accent-color: var(--emerald-500);
  margin-top: 2px;
}

.api-key-input-box {
  margin-top: 0.5rem;
}

.custom-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  color: var(--text-main);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  outline: none;
}

.custom-input:focus {
  border-color: var(--cyan-500);
}

/* ==========================================================================
   VIEW 2: AGRISENSA AI FLAGSHIP ARCHITECTURE
   ========================================================================== */
.agrisensa-hero {
  padding: 2rem;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(6, 182, 212, 0.05));
  border-color: rgba(16, 185, 129, 0.3);
}

.agrisensa-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.agrisensa-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.agri-stat-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}

.architecture-pipeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.arch-layer-card {
  padding: 1.5rem;
  position: relative;
  border-color: var(--border-subtle);
  cursor: pointer;
}

.arch-layer-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-400);
  box-shadow: var(--shadow-cyan);
}

.layer-step-num {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.arch-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.12);
  color: var(--cyan-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.arch-layer-title {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.arch-layer-tech {
  font-size: 0.82rem;
  color: var(--emerald-400);
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}

.arch-layer-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* 5-Step AI Lifecycle */
.lifecycle-stepper {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.step-box {
  padding: 1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
}

.step-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.5rem;
}

/* ==========================================================================
   VIEW 3: SKILLS MATRIX & DOMAINS
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.skill-category-card {
  padding: 1.5rem;
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.skill-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-chip {
  padding: 0.45rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.skill-chip:hover {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--emerald-400);
}

/* ==========================================================================
   VIEW 4: CAREER TIMELINE & MILESTONES
   ========================================================================== */
.timeline-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn.active {
  background: var(--emerald-500);
  color: #fff;
  border-color: var(--emerald-500);
}

.timeline-track {
  position: relative;
  padding-left: 2.5rem;
}

.timeline-track::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--emerald-500), var(--cyan-500), var(--indigo-500));
}

.timeline-node {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-marker {
  position: absolute;
  left: -2.5rem;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--emerald-400);
  box-shadow: 0 0 12px var(--emerald-glow);
}

.timeline-card {
  padding: 1.5rem;
}

.timeline-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.timeline-role {
  font-size: 1.15rem;
  color: var(--text-main);
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--emerald-400);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.timeline-points {
  margin-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* ==========================================================================
   VIEW 5: RECRUITER & PROJECT MATCHMAKER SIMULATOR
   ========================================================================== */
.matcher-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.matcher-form-card {
  padding: 1.75rem;
}

.textarea-custom {
  width: 100%;
  height: 180px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  resize: vertical;
  outline: none;
  margin-bottom: 1rem;
}

.textarea-custom:focus {
  border-color: var(--emerald-500);
}

.matcher-result-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.score-circle-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}

.score-number {
  font-size: 3.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--emerald-400);
}

/* ==========================================================================
   VIEW 6: TWIN-CLI TERMINAL
   ========================================================================== */
.terminal-window {
  background: #06090e;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.7);
}

.terminal-topbar {
  background: #0d121c;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.term-dot.red { background: #ef4444; }
.term-dot.yellow { background: #eab308; }
.term-dot.green { background: #22c55e; }

.terminal-title {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 1.25rem;
  height: 480px;
  overflow-y: auto;
  color: #a7f3d0;
  font-size: 0.85rem;
  line-height: 1.6;
}

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.term-prompt {
  color: var(--cyan-400);
}

.term-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.4);
}

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

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--emerald-400);
}

/* Modal / Dialog */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  max-width: 600px;
  width: 100%;
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .chat-container-layout {
    grid-template-columns: 1fr;
  }
  .matcher-grid {
    grid-template-columns: 1fr;
  }
  .lifecycle-stepper {
    grid-template-columns: repeat(2, 1fr);
  }
  .agrisensa-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-links {
    display: none;
  }
  .chat-main-card {
    height: 520px;
  }
  .nav-wrapper {
    gap: 0.75rem;
  }
  .nav-actions {
    gap: 0.4rem;
  }
  .lang-dropdown-menu {
    right: 0;
    width: min(270px, calc(100vw - 24px));
  }
  .lang-toast {
    bottom: 1.25rem;
    right: 50%;
    transform: translateX(50%) translateY(30px);
    width: max-content;
    max-width: calc(100vw - 2rem);
    white-space: nowrap;
  }
  .lang-toast.show {
    transform: translateX(50%) translateY(0);
  }
}

@media (max-width: 480px) {
  .nav-actions .btn-pill:not(#header-contact-btn):not(.btn-primary) {
    display: none;
  }
  .brand-text h1 {
    font-size: 0.95rem;
  }
  .status-indicator {
    display: none;
  }
}