/* ============================================
   CYBERPUNK THEME - Core Design System
   SamTech Guru | SamTech Digital Solutions
   ============================================ */

:root {
  --cyber-primary: #00ffc8;
  --cyber-secondary: #ff007f;
  --cyber-accent: #7b2dff;
  --cyber-blue: #00b4ff;
  --cyber-yellow: #ffe600;
  --cyber-dark: #0a0a0f;
  --cyber-surface: #12121a;
  --cyber-surface-2: #1a1a2e;
  --cyber-surface-3: #16213e;
  --cyber-text: #e0e0e0;
  --cyber-text-dim: #8892b0;
  --cyber-border: rgba(0, 255, 200, 0.15);
  --glow-primary: 0 0 20px rgba(0, 255, 200, 0.4), 0 0 40px rgba(0, 255, 200, 0.1);
  --glow-secondary: 0 0 20px rgba(255, 0, 127, 0.4), 0 0 40px rgba(255, 0, 127, 0.1);
  --glow-accent: 0 0 20px rgba(123, 45, 255, 0.4), 0 0 40px rgba(123, 45, 255, 0.1);
  --gradient-cyber: linear-gradient(135deg, var(--cyber-primary), var(--cyber-accent), var(--cyber-secondary));
  --gradient-dark: linear-gradient(135deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
  --gradient-card: linear-gradient(145deg, rgba(18, 18, 26, 0.9), rgba(26, 26, 46, 0.7));
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #0d1b2a 40%, #1a1a2e 100%);
  --font-display: 'Orbitron', 'Rajdhani', sans-serif;
  --font-body: 'Rajdhani', 'Segoe UI', sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--gradient-dark);
  color: var(--cyber-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--cyber-dark); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyber-primary), var(--cyber-accent));
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--cyber-secondary), var(--cyber-accent));
}

::selection {
  background: rgba(0, 255, 200, 0.3);
  color: #fff;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1.3;
  color: #fff;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); }

p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--cyber-text-dim);
  line-height: 1.8;
}

a {
  color: var(--cyber-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

a:hover {
  color: var(--cyber-secondary);
  text-shadow: 0 0 8px rgba(255, 0, 127, 0.5);
}

.green, .neon-green {
  color: var(--cyber-primary) !important;
  text-shadow: 0 0 10px rgba(0, 255, 200, 0.5);
}

.neon-pink {
  color: var(--cyber-secondary) !important;
  text-shadow: 0 0 10px rgba(255, 0, 127, 0.5);
}

.neon-purple {
  color: var(--cyber-accent) !important;
  text-shadow: 0 0 10px rgba(123, 45, 255, 0.5);
}

.text-light { color: var(--cyber-text) !important; }

/* Glitch Text */
.glitch-text {
  position: relative;
  display: inline-block;
}
.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.glitch-text::before {
  animation: glitch-1 2s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
  color: var(--cyber-secondary);
}
.glitch-text::after {
  animation: glitch-2 3s infinite linear alternate-reverse;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
  color: var(--cyber-primary);
}

.terminal-text {
  font-family: var(--font-mono);
  color: var(--cyber-primary);
  background: rgba(0, 255, 200, 0.05);
  padding: 2px 8px;
  border-radius: 3px;
  border-left: 2px solid var(--cyber-primary);
}
.terminal-text::before {
  content: '> ';
  color: var(--cyber-secondary);
}

/* ============================================
   SECTION TITLE
   ============================================ */
.section-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--cyber-primary);
  text-shadow: 0 0 15px rgba(0, 255, 200, 0.6);
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--gradient-cyber);
  margin: 8px auto 0;
  border-radius: 2px;
  box-shadow: var(--glow-primary);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--cyber-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5), 0 1px 0 rgba(0, 255, 200, 0.1);
  padding: 12px 0;
  transition: var(--transition-smooth);
  z-index: 1000;
}
.navbar.scrolled {
  padding: 6px 0;
  background: rgba(10, 10, 15, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8), 0 1px 0 rgba(0, 255, 200, 0.2);
}
.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
}
.navbar-brand:hover {
  filter: brightness(1.2);
}
.nav-link {
  color: var(--cyber-text) !important;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 14px !important;
  position: relative;
  transition: var(--transition-smooth);
}
.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: var(--cyber-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(0, 255, 200, 0.5);
}
.nav-link:hover, .nav-link.active {
  color: var(--cyber-primary) !important;
  text-shadow: 0 0 10px rgba(0, 255, 200, 0.5);
}
.nav-link:hover::before, .nav-link.active::before {
  width: 80%;
}
.navbar-toggler {
  border: 1px solid var(--cyber-primary);
  color: var(--cyber-primary);
  padding: 6px 10px;
}
.navbar-toggler .fas { color: var(--cyber-primary); }
.navbar-toggler:focus { box-shadow: 0 0 10px rgba(0, 255, 200, 0.3); }

/* Navbar Collapse Behavior — let Bootstrap 5 handle toggle via .collapse class */
@media (min-width: 992px) {
  .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
    align-items: center;
  }
  .navbar-nav {
    flex-direction: row;
    align-items: center;
  }
  .nav-card-item {
    display: inline-block;
  }
  .navbar-toggler {
    display: none;
  }
}

/* ============================================
   CYBER BUTTONS
   ============================================ */
.cyber-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--cyber-primary);
  color: var(--cyber-primary) !important;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  text-decoration: none;
}
.cyber-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 200, 0.15), transparent);
  transition: left 0.5s ease;
}
.cyber-btn:hover {
  background: rgba(0, 255, 200, 0.1);
  box-shadow: var(--glow-primary);
  color: #fff !important;
}
.cyber-btn:hover::before { left: 100%; }

.cyber-btn-filled {
  background: var(--gradient-cyber) !important;
  border: none !important;
  color: var(--cyber-dark) !important;
  font-weight: 800;
}
.cyber-btn-filled:hover {
  box-shadow: 0 0 30px rgba(0, 255, 200, 0.5), 0 0 60px rgba(123, 45, 255, 0.2);
  transform: translateY(-2px);
  color: var(--cyber-dark) !important;
}

.btn-success {
  background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-accent)) !important;
  border: none !important;
  color: var(--cyber-dark) !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 1px;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(0, 255, 200, 0.3);
  transition: var(--transition-smooth);
}
.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 255, 200, 0.5);
}

/* ============================================
   CYBER CARD
   ============================================ */
.cyber-card {
  background: var(--gradient-card);
  border: 1px solid var(--cyber-border);
  border-radius: 12px;
  padding: 30px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}
.cyber-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--gradient-cyber);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.cyber-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 255, 200, 0.3);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 255, 200, 0.1), inset 0 1px 0 rgba(0, 255, 200, 0.1);
}
.cyber-card:hover::before { opacity: 1; }

.glass-card {
  background: rgba(18, 18, 26, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 30px;
  transition: var(--transition-smooth);
}
.glass-card:hover {
  background: rgba(18, 18, 26, 0.8);
  border-color: rgba(0, 255, 200, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ============================================
   DECORATIVE ELEMENTS
   ============================================ */
.scanline-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0, 255, 200, 0.008) 2px,
    rgba(0, 255, 200, 0.008) 4px
  );
}

.cyber-grid-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 255, 200, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 200, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.neon-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyber-primary), transparent);
  margin: 40px 0;
  box-shadow: 0 0 10px rgba(0, 255, 200, 0.3);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyber-primary);
  box-shadow: 0 0 10px var(--cyber-primary);
  animation: pulse-dot 2s infinite;
  display: inline-block;
}

/* ============================================
   FORM CONTROLS
   ============================================ */
.form-control {
  background: rgba(18, 18, 26, 0.8) !important;
  border: 1px solid var(--cyber-border) !important;
  color: var(--cyber-text) !important;
  font-family: var(--font-body);
  border-radius: 6px;
  padding: 12px 16px;
  transition: var(--transition-smooth);
}
.form-control:focus {
  border-color: var(--cyber-primary) !important;
  box-shadow: 0 0 15px rgba(0, 255, 200, 0.2) !important;
  background: rgba(18, 18, 26, 1) !important;
}
.form-control::placeholder {
  color: var(--cyber-text-dim);
  opacity: 0.5;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: rgba(10, 10, 15, 0.95);
  border-top: 1px solid var(--cyber-border);
  padding: 30px 0;
  text-align: center;
}
footer p {
  color: var(--cyber-text-dim);
  font-size: 0.9rem;
  margin: 0;
}
footer .copyright { text-align: center; }

/* ============================================
   WHATSAPP BUTTON
   ============================================ */
.whatsapp-button {
  position: fixed;
  bottom: 25px; right: 25px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white !important;
  padding: 12px 20px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: bold;
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition-smooth);
  z-index: 999;
}
.whatsapp-button:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
  color: white !important;
}
.whatsapp-button i {
  font-size: 22px;
  margin-right: 8px;
}

/* ============================================
   POPUP & OVERLAY
   ============================================ */
.popup {
  display: none;
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  padding: 30px;
  background: var(--cyber-surface);
  border: 1px solid var(--cyber-border);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 255, 200, 0.1);
  z-index: 10000;
  max-width: 80%; max-height: 80%;
  overflow-y: auto;
  color: var(--cyber-text);
}
.popup.show {
  display: block;
  animation: popup-in 0.3s ease;
}
.popup .close {
  position: absolute;
  top: 15px; right: 15px;
  cursor: pointer;
  color: var(--cyber-secondary);
  font-size: 24px;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 0, 127, 0.1);
  border: 1px solid rgba(255, 0, 127, 0.3);
  transition: var(--transition-smooth);
}
.popup .close:hover {
  background: rgba(255, 0, 127, 0.2);
  box-shadow: var(--glow-secondary);
}
.popup h2, .popup h3 { color: var(--cyber-primary); }
.popup p { color: var(--cyber-text-dim); text-align: left; }

.blurred-overlay.show {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 9998;
}

@keyframes popup-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}