/* ==========================================================================
   Device Cortex — Master Stylesheet
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --dc-navy: #0a0e1a;
  --dc-navy-light: #111827;
  --dc-navy-mid: #1a2035;
  --dc-green: #4CAF50;
  --dc-green-light: #66BB6A;
  --dc-green-glow: rgba(76, 175, 80, 0.3);
  --dc-green-glow-strong: rgba(76, 175, 80, 0.5);
  --dc-white: #f8f9fa;
  --dc-gray: #9ca3af;
  --dc-gray-light: #d1d5db;
  --dc-gray-dark: #4b5563;
  --dc-text: #e5e7eb;
  --dc-text-muted: #9ca3af;
  --dc-section-light: #f3f4f6;
  --dc-section-dark: #0f1322;
  --dc-font: 'Inter', system-ui, -apple-system, sans-serif;
  --dc-radius: 16px;
  --dc-radius-sm: 8px;
  --dc-radius-lg: 24px;
  --dc-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--dc-font);
  color: #1f2937;
  background: var(--dc-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
}

/* ---------- Navbar ---------- */
.dc-navbar {
  background: rgba(10, 14, 26, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--dc-transition);
  padding: 0.75rem 0;
}

.dc-navbar.scrolled {
  background: rgba(10, 14, 26, 0.97);
}

.dc-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff !important;
}

.dc-navbar .navbar-brand img {
  height: 32px;
  width: auto;
}

.dc-navbar .nav-link {
  color: rgba(255, 255, 255, 0.75) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  transition: color var(--dc-transition);
}

.dc-navbar .nav-link:hover,
.dc-navbar .nav-link.active {
  color: #fff !important;
}

.dc-navbar .dropdown-menu {
  background: var(--dc-navy-light);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--dc-radius-sm);
  padding: 0.5rem;
}

.dc-navbar .dropdown-item {
  color: rgba(255, 255, 255, 0.75);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.dc-navbar .dropdown-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.dc-navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.15);
  padding: 0.35rem 0.65rem;
}

.dc-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---------- Footer ---------- */
.dc-footer {
  background: var(--dc-navy);
  color: var(--dc-text-muted);
  padding: 3rem 0 1.5rem;
  font-size: 0.9rem;
}

.dc-footer h6 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.dc-footer a {
  color: var(--dc-text-muted);
  text-decoration: none;
  transition: color var(--dc-transition);
}

.dc-footer a:hover {
  color: var(--dc-green-light);
}

.dc-footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}

/* ---------- Buttons ---------- */
.btn-dc {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-size: 1rem;
  transition: all var(--dc-transition);
  text-decoration: none;
  border: none;
}

.btn-dc-primary {
  background: var(--dc-green);
  color: #fff;
  box-shadow: 0 4px 20px var(--dc-green-glow);
}

.btn-dc-primary:hover {
  background: var(--dc-green-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 30px var(--dc-green-glow-strong);
}

.btn-dc-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.25);
}

.btn-dc-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-dc-outline-dark {
  background: transparent;
  color: var(--dc-navy);
  border: 2px solid rgba(10, 14, 26, 0.2);
}

.btn-dc-outline-dark:hover {
  background: var(--dc-navy);
  color: #fff;
  transform: translateY(-2px);
}

.btn-pulse {
  animation: pulse-glow 2s infinite;
}

/* ---------- Sections ---------- */
.dc-section {
  padding: 5rem 0;
}

.dc-section-dark {
  background: var(--dc-section-dark);
  color: var(--dc-text);
}

.dc-section-light {
  background: var(--dc-section-light);
  color: #1f2937;
}

.dc-section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.dc-section-subtitle {
  font-size: 1.15rem;
  opacity: 0.7;
  max-width: 600px;
}

.dc-badge {
  display: inline-block;
  background: rgba(76, 175, 80, 0.15);
  color: var(--dc-green);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
}

/* ---------- Hero Section ---------- */
.dc-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--dc-navy) 0%, #0f1a2e 50%, #141e30 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 6rem 0 4rem;
}

.dc-hero .hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.dc-hero .hero-content p {
  font-size: 1.2rem;
  color: var(--dc-text-muted);
  max-width: 500px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.dc-hero .hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Gradient Orbs (Hero BG) ---------- */
.dc-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
}

.dc-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--dc-green);
  top: -150px;
  right: -100px;
  animation: orb-drift-1 18s ease-in-out infinite;
}

.dc-orb-2 {
  width: 350px;
  height: 350px;
  background: #7C3AED;
  bottom: -100px;
  left: -80px;
  animation: orb-drift-2 22s ease-in-out infinite;
}

.dc-orb-3 {
  width: 250px;
  height: 250px;
  background: var(--dc-green-light);
  top: 40%;
  left: 30%;
  opacity: 0.2;
  animation: orb-drift-3 15s ease-in-out infinite;
}

/* ---------- Device Mockups ---------- */

/* Laptop */
.mockup-laptop {
  position: relative;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}

.mockup-laptop .laptop-chrome {
  background: #1a1a2e;
  border-radius: 12px 12px 0 0;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mockup-laptop .chrome-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-laptop .chrome-dot.red { background: #ff5f57; }
.mockup-laptop .chrome-dot.yellow { background: #ffbd2e; }
.mockup-laptop .chrome-dot.green { background: #28c840; }

.mockup-laptop .chrome-bar {
  flex: 1;
  height: 22px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  margin-left: 12px;
}

.mockup-laptop .laptop-screen {
  position: relative;
  background: #0d0d1a;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.mockup-laptop .laptop-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mockup-laptop .laptop-base {
  background: #1a1a2e;
  height: 14px;
  border-radius: 0 0 4px 4px;
  position: relative;
}

.mockup-laptop .laptop-base::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px 4px 0 0;
}

.mockup-laptop-glow {
  filter: drop-shadow(0 0 60px var(--dc-green-glow));
}

/* Phone */
.mockup-phone {
  position: relative;
  width: 100%;
  max-width: 240px;
  margin: 0 auto;
}

.mockup-phone .phone-frame {
  background: #1a1a2e;
  border-radius: 28px;
  padding: 12px;
  box-shadow: 0 0 50px var(--dc-green-glow);
}

.mockup-phone .phone-notch {
  width: 40%;
  height: 20px;
  background: #1a1a2e;
  border-radius: 0 0 12px 12px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  margin-top: -12px;
  margin-bottom: -8px;
}

.mockup-phone .phone-screen {
  border-radius: 18px;
  overflow: hidden;
  background: #0d0d1a;
  aspect-ratio: 9 / 19;
}

.mockup-phone .phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Screenshot Crossfade Animation ---------- */
.crossfade-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.crossfade-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: screenshot-cycle 12s infinite;
}

.crossfade-container img:nth-child(1) { animation-delay: 0s; }
.crossfade-container img:nth-child(2) { animation-delay: 4s; }
.crossfade-container img:nth-child(3) { animation-delay: 8s; }

/* ---------- Product Cards (Homepage) ---------- */
.product-card {
  background: #fff;
  border-radius: var(--dc-radius);
  padding: 2rem;
  height: 100%;
  transition: all var(--dc-transition);
  border: 1px solid #e5e7eb;
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  color: inherit;
  text-decoration: none;
}

.product-card.featured {
  border-color: var(--dc-green);
  border-width: 2px;
}

.product-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.product-card .card-icon.green {
  background: rgba(76, 175, 80, 0.1);
  color: var(--dc-green);
}

.product-card .card-icon.blue {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.product-card .card-icon.purple {
  background: rgba(139, 92, 246, 0.1);
  color: #8b5cf6;
}

.product-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.product-card .card-subtitle {
  font-size: 0.85rem;
  color: var(--dc-gray);
  margin-bottom: 0.75rem;
}

.product-card p {
  color: var(--dc-gray-dark);
  font-size: 0.95rem;
  line-height: 1.6;
}

.product-card .card-link {
  color: var(--dc-green);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

/* ---------- Feature Sections (NovaXplora) ---------- */
.feature-section {
  padding: 6rem 0;
}

.feature-section .feature-text h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.feature-section .feature-text p.lead {
  font-size: 1.1rem;
  opacity: 0.8;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 0;
  font-size: 1rem;
}

.feature-list li i {
  color: var(--dc-green);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.dc-section-dark .feature-list li {
  color: var(--dc-text);
}

/* ---------- Value Props Strip ---------- */
.value-prop {
  text-align: center;
  padding: 1.5rem;
}

.value-prop .prop-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(76, 175, 80, 0.1);
  color: var(--dc-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
}

.value-prop h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.value-prop p {
  font-size: 0.9rem;
  color: var(--dc-gray-dark);
  line-height: 1.5;
}

/* ---------- AI/Social Cards ---------- */
.showcase-card {
  background: #fff;
  border-radius: var(--dc-radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  height: 100%;
}

.showcase-card .card-screenshot {
  overflow: hidden;
}

.showcase-card .card-screenshot img {
  width: 100%;
  display: block;
}

.showcase-card .card-body-custom {
  padding: 1.5rem;
}

.showcase-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.showcase-card p {
  font-size: 0.9rem;
  color: var(--dc-gray-dark);
  line-height: 1.5;
  margin: 0;
}

/* ---------- Mobile Showcase ---------- */
.mobile-showcase {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.mobile-showcase .mockup-phone {
  max-width: 200px;
}

/* ---------- Hero Laptop Position (Homepage) ---------- */
.hero-mockup-wrapper {
  position: relative;
}

.hero-mockup-wrapper .mockup-phone {
  position: absolute;
  bottom: -30px;
  right: -20px;
  max-width: 160px;
  z-index: 2;
}

/* ---------- NovaXplora Wordmark ---------- */
.nova-wordmark {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dc-green);
  margin-bottom: 1rem;
}

/* ---------- SassyName Page ---------- */
.sassy-page {
  --dc-green: #005cbb;
  --dc-green-light: #0070e0;
  --dc-green-glow: rgba(0, 92, 187, 0.3);
  --dc-green-glow-strong: rgba(0, 92, 187, 0.45);
}

.sassy-hero {
  padding: 8rem 0 4rem;
  text-align: center;
  background: linear-gradient(135deg, #0a1628 0%, #0d2a4a 50%, #0a1628 100%);
  color: #fff;
}

.sassy-hero img {
  max-width: 220px;
  margin-bottom: 1.5rem;
}

.sassy-hero .dc-section-title {
  color: #fff;
}

.sassy-hero .dc-section-subtitle {
  color: rgba(255, 255, 255, 0.7);
  opacity: 1;
}

.sassy-features {
  background: #faf9fd;
}

.sassy-features .feature-col {
  text-align: center;
  padding: 2.5rem 2rem;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  height: 100%;
}

.sassy-features .feature-col i {
  font-size: 2.5rem;
  color: var(--dc-green);
  margin-bottom: 1rem;
}

.btn-dc-sassy {
  background: var(--dc-green);
  color: #fff;
  box-shadow: 0 4px 20px var(--dc-green-glow);
}

.btn-dc-sassy:hover {
  background: var(--dc-green-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 30px var(--dc-green-glow-strong);
}

/* ---------- NovaXplora Page ---------- */
.nova-page {
  --dc-green: #c74a20;
  --dc-green-light: #d85a30;
  --dc-green-glow: rgba(199, 74, 32, 0.3);
  --dc-green-glow-strong: rgba(199, 74, 32, 0.5);
}

.nova-page .dc-badge {
  background: rgba(199, 74, 32, 0.15);
  color: #c74a20;
}

.nova-page .value-prop .prop-icon {
  background: rgba(199, 74, 32, 0.1);
  color: #c74a20;
}

.nova-page .dc-orb-2 {
  background: #1e3a5f;
}

.text-nova {
  color: #c74a20 !important;
}

@keyframes nova-pulse-glow {
  0%, 100% { box-shadow: 0 4px 20px rgba(199, 74, 32, 0.3); }
  50%      { box-shadow: 0 4px 40px rgba(199, 74, 32, 0.5); }
}

.nova-page .btn-pulse {
  animation: nova-pulse-glow 2s infinite;
}

/* ---------- zCastle Page ---------- */
.zcastle-hero {
  background: linear-gradient(135deg, var(--dc-navy) 0%, #1a2035 100%);
  color: #fff;
  padding: 7rem 0 3rem;
}

.zcastle-hero h1 {
  font-size: 2.5rem;
}

.zcastle-hero p {
  color: var(--dc-text-muted);
  font-size: 1.1rem;
}

/* ---------- Contact Page ---------- */
.contact-hero {
  background: linear-gradient(135deg, var(--dc-navy) 0%, #1a2035 100%);
  color: #fff;
  padding: 7rem 0 3rem;
}

.contact-card {
  background: #fff;
  border-radius: var(--dc-radius);
  padding: 2rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  height: 100%;
}

.contact-card i {
  font-size: 2rem;
  color: var(--dc-green);
  margin-bottom: 1rem;
}

/* ---------- Scroll Animations ---------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Keyframes ---------- */
@keyframes screenshot-cycle {
  0%   { opacity: 0; }
  5%   { opacity: 1; }
  33%  { opacity: 1; }
  38%  { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 20px var(--dc-green-glow); }
  50%      { box-shadow: 0 4px 40px var(--dc-green-glow-strong); }
}

@keyframes orb-drift-1 {
  0%, 100% { transform: translate(0, 0); }
  33%      { transform: translate(-40px, 30px); }
  66%      { transform: translate(20px, -20px); }
}

@keyframes orb-drift-2 {
  0%, 100% { transform: translate(0, 0); }
  33%      { transform: translate(30px, -40px); }
  66%      { transform: translate(-20px, 20px); }
}

@keyframes orb-drift-3 {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(-30px, -30px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Utilities ---------- */
.text-green { color: var(--dc-green) !important; }
.bg-navy { background: var(--dc-navy) !important; }
.float-anim { animation: float 6s ease-in-out infinite; }

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
  .dc-hero .hero-content h1 {
    font-size: 2.5rem;
  }

  .dc-hero .hero-content p {
    font-size: 1.05rem;
  }

  .dc-section-title {
    font-size: 2rem;
  }

  .feature-section .feature-text h2 {
    font-size: 1.85rem;
  }

  .hero-mockup-wrapper .mockup-phone {
    display: none;
  }

  .mockup-laptop {
    max-width: 520px;
  }
}

@media (max-width: 767.98px) {
  .dc-hero {
    min-height: auto;
    padding: 6rem 0 3rem;
  }

  .dc-hero .hero-content h1 {
    font-size: 2rem;
  }

  .dc-section {
    padding: 3.5rem 0;
  }

  .feature-section {
    padding: 3.5rem 0;
  }

  .dc-section-title {
    font-size: 1.75rem;
  }

  .feature-section .feature-text h2 {
    font-size: 1.6rem;
  }

  .mockup-laptop {
    max-width: 100%;
  }

  .mobile-showcase .mockup-phone {
    max-width: 160px;
  }

  .hero-mockup-wrapper {
    margin-top: 2.5rem;
  }
}