/* ==========================================================================
   NDTechHub 2026 Core Design System
   ========================================================================== */

:root {
    --bg-space: #020617;
    --surface-glass: rgba(15, 23, 42, 0.45);
    --surface-glass-hover: rgba(30, 41, 59, 0.6);
    --border-glass: rgba(0, 184, 255, 0.15);
    --border-glass-glow: rgba(0, 184, 255, 0.4);
    
    --cyan-electric: #00B8FF;
    --cyan-glow: rgba(0, 184, 255, 0.25);
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    
    --blur-strength: 16px;
    --radius-bento: 16px;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-space);
    color: var(--text-primary);
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Deep Space Ambient Glow Lights */
body::before, body::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--cyan-glow);
    filter: blur(120px);
    z-index: -1;
    pointer-events: none;
}
body::before { top: 15%; left: -100px; }
body::after { bottom: 20%; right: -100px; }

/* Global Glassmorphism Class */
.glass-panel {
    background: var(--surface-glass);
    --panel-rgb: 0, 184, 255; /* Dynamic Accent Color - defaults to Cyan */
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-bento);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.glass-panel:hover {
    border-color: rgba(var(--panel-rgb), 0.4);
    background: var(--surface-glass-hover);
    box-shadow: 0 8px 30px rgba(var(--panel-rgb), 0.08);
}

/* Dynamic glow element that follows the cursor */
.glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
        rgba(var(--panel-rgb), 0.12), 
        transparent 40%
    );
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

/* Fades in the glow on hover */
.glass-panel:hover::before {
    opacity: 1;
}

/* Ensures content stays visually above the glow effect */
.glass-panel > * {
    position: relative;
    z-index: 1;
}

/* Modern Typography Utilities */
h1, h2, h3, h4 {
    letter-spacing: -0.025em;
    font-weight: 700;
}
.gradient-text {
    background: linear-gradient(135deg, #fff 30%, var(--cyan-electric));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero Specific Typography Animations */
.hero-title-animate {
    background: linear-gradient(135deg, #fff 20%, var(--cyan-electric) 50%, #fff 80%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUpHero 1s cubic-bezier(0.16, 1, 0.3, 1) forwards, gradientShine 8s linear infinite;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUpHero {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes gradientShine {
    from { background-position: 200% center; }
    to { background-position: 0% center; }
}

/* SVG Icon Utilities */
.icon {
    width: 1.25rem;
    height: 1.25rem;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    display: inline-block;
    vertical-align: middle;
}
.icon-large {
    width: 2.5rem;
    height: 2.5rem;
    animation: floatingIconAnim 3.5s ease-in-out infinite;
}

@keyframes floatingIconAnim {
    0% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0); }
}

/* Global Form Elements */
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: 0.85rem; margin-bottom: 0.5rem; color: var(--text-muted); }
.form-control { width: 100%; background: rgba(255,255,255,0.02); border: 1px solid var(--border-glass); padding: 0.8rem 1rem; border-radius: 8px; color: #fff; font-size: 1rem; transition: var(--transition-smooth); font-family: inherit; }
.form-control:focus { outline: none; border-color: var(--cyan-electric); box-shadow: 0 0 10px var(--cyan-glow); }
.form-control::placeholder { color: var(--text-muted); opacity: 0.7; }
select.form-control option { background: var(--bg-space); color: #fff; }

/* Browser Autofill Fixes */
.form-control:-webkit-autofill,
.form-control:-webkit-autofill:hover, 
.form-control:-webkit-autofill:focus, 
.form-control:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px #020617 inset !important;
    -webkit-text-fill-color: #fff !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* Header & Navigation */
.main-header {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 3rem);
    max-width: 1200px;
    z-index: 1000;
    background: var(--surface-glass);
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    animation: headerSlideDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes headerSlideDown {
    from {
        transform: translate(-50%, -150%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

.main-header.scrolled {
    top: 0.75rem;
    background: rgba(15, 23, 42, 0.85);
    border-color: rgba(0, 184, 255, 0.4);
    box-shadow: 0 15px 50px rgba(0, 184, 255, 0.15);
    width: calc(100% - 1.5rem);
}

.nav-container {
    width: 100%;
    padding: 0.8rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    transition: transform 0.3s ease;
}
.brand-logo:hover {
    transform: scale(1.05);
}
.brand-logo span { 
    color: var(--cyan-electric); 
    text-shadow: 0 0 15px var(--cyan-glow); 
}

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

.nav-menu a:not(.admin-gate-btn) {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    padding: 0.5rem 1rem;
    border-radius: 12px;
    position: relative;
}

.nav-menu a:not(.admin-gate-btn)::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--cyan-electric);
    box-shadow: 0 0 10px var(--cyan-electric);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 2px;
    pointer-events: none;
}

.nav-menu a:not(.admin-gate-btn):hover, 
.nav-menu a:not(.admin-gate-btn).active {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

.nav-menu a:not(.admin-gate-btn):hover::after, 
.nav-menu a:not(.admin-gate-btn).active::after {
    width: 40%;
}

/* Special Highlight for Insights Blog Link */
.nav-menu a[href*="ndinsights"] {
    color: var(--cyan-electric) !important;
    animation: insightsPulse 2.5s infinite ease-in-out;
}
.nav-menu a[href*="ndinsights"]:hover {
    color: #fff !important;
    text-shadow: 0 0 10px var(--cyan-glow);
    animation: none;
}

@keyframes insightsPulse {
    0%, 100% { text-shadow: 0 0 2px rgba(0, 184, 255, 0.2); opacity: 0.9; }
    50% { text-shadow: 0 0 12px rgba(0, 184, 255, 0.8); opacity: 1; }
}

.admin-gate-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    background: rgba(0, 184, 255, 0.1);
    border: 1px solid rgba(0, 184, 255, 0.3);
    color: var(--cyan-electric) !important;
    font-size: 0.9rem !important;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 184, 255, 0.1);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.admin-gate-btn:hover {
    background: var(--cyan-electric) !important;
    color: #020617 !important;
    box-shadow: 0 8px 25px rgba(0, 184, 255, 0.4);
    transform: translateY(-3px) scale(1.02);
}

/* Native Responsive Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Page Standard Layout Wrappers */
.main-content {
    padding-top: 120px;
    min-height: calc(100vh - 400px);
}
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

/* Custom Responsive Responsive Bento-Grid Utilities */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

.bento-col-12 { grid-column: span 12; padding: 3rem; }
.bento-col-8 { grid-column: span 8; padding: 2rem; }
.bento-col-6 { grid-column: span 6; padding: 2.5rem; }
.bento-col-4 { grid-column: span 4; padding: 2rem; }
.bento-col-3 { grid-column: span 3; padding: 2rem; }

@media (max-width: 992px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .bento-col-4, .bento-col-6, .bento-col-8, .bento-col-12 {
        grid-column: span 2 !important;
    }
    .bento-col-3 {
        grid-column: span 1 !important;
    }
}

@media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: calc(100% - 3rem);
        height: auto;
        background: var(--surface-glass);
        backdrop-filter: blur(var(--blur-strength));
        -webkit-backdrop-filter: blur(var(--blur-strength));
        border: 1px solid var(--border-glass);
        border-radius: 24px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
        flex-direction: column;
        padding: 2rem 1.5rem;
        gap: 2rem;
        transition: 0.4s ease-in-out;
        
        &.active { left: 1.5rem; }
    }
    .bento-grid {
        grid-template-columns: 1fr !important;
    }
    .bento-col-3, .bento-col-4, .bento-col-6, .bento-col-8, .bento-col-12 {
        grid-column: span 1 !important;
    }
}

/* ==========================================================================
   Tech Stack Marquee / Trust Bar Styles
   ========================================================================== */
.marquee-section { overflow: hidden; background: rgba(0, 184, 255, 0.02); border-top: 1px solid var(--border-glass); border-bottom: 1px solid var(--border-glass); padding: 3rem 0; display: flex; flex-direction: column; gap: 2rem; position: relative; }
.marquee-container { display: flex; width: 100%; overflow: hidden; position: relative; }
.marquee-container::before, .marquee-container::after { content: ""; position: absolute; top: 0; width: 15vw; height: 100%; z-index: 2; pointer-events: none; }
.marquee-container::before { left: 0; background: linear-gradient(to right, var(--bg-space), transparent); }
.marquee-container::after { right: 0; background: linear-gradient(to left, var(--bg-space), transparent); }
.marquee-content { display: flex; align-items: center; gap: 4rem; padding-right: 4rem; white-space: nowrap; animation: marquee 40s linear infinite; }
.marquee-content:hover { animation-play-state: paused; }
.trust-logo { height: 45px; opacity: 1; transition: var(--transition-smooth); filter: drop-shadow(0 0 0 transparent); }
.trust-logo:hover { transform: scale(1.05); filter: drop-shadow(0 0 12px rgba(0, 184, 255, 0.6)); }
.tech-pill { display: flex; align-items: center; gap: 0.75rem; font-size: 1.2rem; font-weight: 600; color: var(--text-muted); padding: 0.5rem 1.5rem; border: 1px solid var(--border-glass); border-radius: 50px; background: rgba(255,255,255,0.02); transition: var(--transition-smooth); cursor: default; }
.tech-pill:hover { border-color: var(--cyan-electric); color: #fff; background: rgba(0, 184, 255, 0.1); box-shadow: 0 0 15px var(--cyan-glow); transform: translateY(-2px); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ==========================================================================
   Tech Matrix Section Styles
   ========================================================================== */

.tech-matrix-section {
  --bg-dark: #0a0e17;
  --card-bg: rgba(16, 22, 37, 0.6);
  --cyan-accent: #00B8FF; /* Adapted to NDTechHub primary cyan */
  --cyan-glow-matrix: rgba(0, 184, 255, 0.25);
  --border-color-matrix: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-muted-matrix: #94a3b8;

  /* Background organically inherits the body's deep space glow */
  color: var(--text-main);
  padding: 80px 20px;
}

.matrix-container {
  max-width: 1200px;
  margin: 0 auto;
}

.matrix-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 10px;
  letter-spacing: -0.025em;
}

.accent-text {
  color: var(--cyan-accent);
  text-shadow: 0 0 20px var(--cyan-glow-matrix);
}

.matrix-subtitle {
  text-align: center;
  color: var(--text-muted-matrix);
  font-size: 1.1rem;
  margin-bottom: 50px;
  max-width: 600px;
  margin-inline: auto;
}

/* Bento Grid */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

/* Glassmorphic Card Styling */
.matrix-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color-matrix);
  border-radius: 16px;
  padding: 24px;
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.matrix-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 184, 255, 0.4);
  box-shadow: 0 12px 30px rgba(0, 184, 255, 0.08);
}

/* Card Header */
.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color-matrix);
  padding-bottom: 12px;
}

.icon-dot {
  width: 8px;
  height: 8px;
  background-color: var(--cyan-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-accent);
}

.card-header h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0;
}

/* Tech Groups & Tags */
.tech-group {
  margin-bottom: 20px;
}

.tech-group:last-child {
  margin-bottom: 0;
}

.tech-group h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted-matrix);
  margin: 0 0 10px 0;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tags span {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color-matrix);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-main);
  transition: background 0.2s ease, color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tech-tags span img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.tech-tags span:hover {
  background: rgba(0, 184, 255, 0.1);
  color: var(--cyan-accent);
  border-color: rgba(0, 184, 255, 0.3);
}

/* Responsive Scaling */
@media (max-width: 768px) {
  .matrix-title {
    font-size: 2rem;
  }
  .matrix-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Home Page Pricing Block Styles --- */
.pricing-container {
  background-color: #0f1011;
  color: #f3f4f6;
  padding: 5rem 1.5rem;
  font-family: 'Inter', system-ui, sans-serif;
  overflow: hidden;
}

.pricing-wrapper {
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-header {
  margin-bottom: 3.5rem;
  border-bottom: 2px solid #2a2d32;
  padding-bottom: 1.5rem;
}

.tech-tag {
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-weight: 600;
  color: #8B5CF6; /* Distinct Purple Accent */
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  display: block;
}

.pricing-header h2 {
  font-size: 2.5rem;
  margin: 0.5rem 0 0 0;
  letter-spacing: -0.5px;
  font-weight: 700;
}

/* Structural Seamless Grid Layout */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0; /* Zero gap merges the borders for a precise technical blueprint look */
  border-top: 1px solid #2a2d32;
  border-left: 1px solid #2a2d32;
}

/* Price Card Blueprint styling */
.price-card {
  background-color: #151719;
  padding: 3rem 2rem;
  border-right: 1px solid #2a2d32;
  border-bottom: 1px solid #2a2d32;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

/* Industrial Highlight Treatment */
.price-card.featured {
  outline: 1px solid #8B5CF6;
  outline-offset: -1px;
  background-color: #171a1d;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 45px rgba(139, 92, 246, 0.15);
}

.serial-num {
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-weight: 700;
  color: var(--cyan-electric);
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 1rem;
}

.price-card.featured .serial-num {
  color: #8B5CF6;
}

.price-card h3 {
  font-size: 1.6rem;
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.description {
  color: #8a8f98;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  min-height: 45px; /* Keeps height consistent across cards */
}

/* Technical Metric Display */
.price-display {
  font-family: 'Courier New', Courier, monospace;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  padding: 1rem 0;
  border-top: 1px dashed #2a2d32;
  border-bottom: 1px dashed #2a2d32;
}

.currency {
  color: #8B5CF6;
  font-size: 1.75rem;
  margin-right: 0.25rem;
}

.period {
  font-size: 0.95rem;
  color: #8a8f98;
  font-weight: 400;
}

/* Architectural Specs List */
.specs-list {
  list-style: none;
  padding: 0;
  margin: 0 0 3rem 0;
  flex-grow: 1;
}

.specs-list li {
  font-size: 0.9rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid #1e2124;
  color: #f3f4f6;
}

.specs-list li span {
  font-family: 'Courier New', Courier, monospace;
  color: #8a8f98;
  margin-right: 0.5rem;
}

/* Mechanical Layout Buttons */
.cta-btn {
  display: block;
  text-align: center;
  background: transparent;
  color: var(--cyan-electric);
  border: 1px solid var(--cyan-electric);
  padding: 1rem;
  text-decoration: none;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  font-weight: bold;
  letter-spacing: 1px;
  transition: background 0.15s ease, color 0.15s ease;
}

.price-card.featured .cta-btn {
  background: #8B5CF6;
  border-color: #8B5CF6;
  color: #ffffff;
}

.cta-btn:hover {
  background: var(--cyan-electric);
  color: #020617;
}

.price-card.featured .cta-btn:hover {
  background: transparent;
  color: #8B5CF6;
  border-color: #8B5CF6;
}

/* Mobile Responsiveness Viewports */
@media (max-width: 768px) {
  .pricing-grid {
    border-right: 1px solid #2a2d32; /* Bounds mobile grid stack */
  }
  .pricing-header h2 {
    font-size: 1.85rem;
  }
  .price-card {
    padding: 2rem 1.5rem;
  }
}