/* ================================================
   NinjaMinds.org - UI Components
   Buttons, Cards, Navigation, Forms
   ================================================ */

/* ================================================
   NAVIGATION
   ================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(6, 182, 212, 0.1);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold-500);
  text-shadow: 0 0 12px rgba(251, 191, 36, 0.35), 0 0 28px rgba(251, 191, 36, 0.22);
  transition: text-shadow var(--transition-base);
}

.navbar-logo svg {
  width: 40px;
  height: 40px;
}

.navbar-logo img {
  filter: drop-shadow(0 0 12px rgba(251, 191, 36, 0.5)) drop-shadow(0 0 26px rgba(251, 191, 36, 0.3));
  transition: filter var(--transition-base);
}

.navbar-logo:hover {
  color: var(--color-primary-400);
  text-shadow: 0 0 16px rgba(251, 191, 36, 0.55), 0 0 36px rgba(251, 191, 36, 0.35);
}

.navbar-logo:hover img {
  filter: drop-shadow(0 0 20px rgba(251, 191, 36, 0.7)) drop-shadow(0 0 40px rgba(251, 191, 36, 0.4));
}

.navbar-menu {
  display: none;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .navbar-menu {
    display: flex;
  }
}

.nav-link {
  color: var(--color-dark-400);
  font-weight: 500;
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-secondary-500));
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: transparent;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu .nav-link {
  font-size: 1.5rem;
}

/* ================================================
   BUTTONS
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-primary-500) 0%, var(--color-secondary-500) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-intense);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary-400);
  border: 2px solid var(--color-primary-500);
}

.btn-secondary:hover {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-primary-300);
  box-shadow: var(--shadow-glow-cyan);
}

.btn-ghost {
  background: transparent;
  color: var(--color-dark-300);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
}

/* Gold Button - Premium Variant */
.btn-gold {
  background: linear-gradient(135deg, var(--color-gold-500) 0%, var(--color-gold-600) 100%);
  color: var(--color-dark-950);
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(251, 191, 36, 0.3);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--color-gold-400) 0%, var(--color-gold-500) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(251, 191, 36, 0.5);
  color: var(--color-dark-950);
}

.navbar .navbar-logo .brand-gold-icon {
  display: inline-block;
  height: 20px;
  width: auto;
  margin-left: 8px;
  vertical-align: middle;
  filter: drop-shadow(0 2px 6px rgba(251,191,36,0.35));
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* ================================================
   CARDS
   ================================================ */

.card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(251, 191, 36, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(251, 191, 36, 0.1);
}

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.card-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary-400);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.card-description {
  color: var(--color-dark-400);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Feature Card */
.feature-card {
  text-align: center;
  padding: var(--space-xl);
}

.feature-card .card-icon {
  margin: 0 auto var(--space-lg);
  width: 80px;
  height: 80px;
}

.feature-card .card-icon svg {
  width: 40px;
  height: 40px;
}

/* Product Card */
.product-card {
  overflow: hidden;
}

.product-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.product-card-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.badge-opensource {
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-accent-400);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-coming-soon {
  background: rgba(168, 85, 247, 0.1);
  color: var(--color-secondary-400);
  border: 1px solid rgba(168, 85, 247, 0.2);
}

.badge-premium {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15) 0%, rgba(217, 119, 6, 0.15) 100%);
  color: var(--color-gold-400);
  border: 1px solid rgba(251, 191, 36, 0.3);
  box-shadow: 0 0 15px rgba(251, 191, 36, 0.2);
}

/* ================================================
   HERO
   ================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-tagline {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary-400);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--color-dark-400);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

/* ================================================
   FLOW DIAGRAM (How it Works)
   ================================================ */
.flow-diagram {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(250, 173, 20, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  overflow: hidden;
}

.flow-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

.flow-diagram .node {
  fill: rgba(255, 255, 255, 0.04);
  stroke: var(--color-gold-500);
  stroke-width: 2;
}

.flow-diagram .module {
  fill: rgba(6, 182, 212, 0.06);
  stroke: var(--color-primary-500);
  stroke-width: 1.5;
}

.flow-diagram .label {
  fill: var(--color-white);
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 600;
}

.flow-diagram .small {
  font-size: 12px;
  fill: var(--color-dark-300);
  font-weight: 500;
}

.flow-diagram .arrow {
  stroke: var(--color-gold-500);
  stroke-width: 2;
  marker-end: url(#arrow-gold);
}

.flow-diagram .arrow-cyan {
  stroke: var(--color-primary-500);
  stroke-width: 2;
  marker-end: url(#arrow-cyan);
}

/* ================================================
   SECTION HEADERS
   ================================================ */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--color-gold-400) 0%, var(--color-gold-500) 50%, var(--color-primary-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-md);
  position: relative;
}

.section-label::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold-500) 0%, transparent 100%);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-dark-400);
  line-height: 1.7;
}

/* ================================================
   FOOTER
   ================================================ */

.footer {
  background: var(--color-dark-900);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-brand p {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gold-500);
  font-size: 0.875rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gold-500);
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-shadow: 0 0 6px rgba(251, 191, 36, 0.18), 0 0 14px rgba(251, 191, 36, 0.12);
}

.footer-brand img {
  filter: drop-shadow(0 0 8px rgba(251, 191, 36, 0.35));
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--color-dark-400);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-400);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-dark-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-primary-400);
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-copyright {
  color: var(--color-dark-500);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  color: var(--color-dark-500);
  font-size: 0.875rem;
}

/* ================================================
   SCROLL PROGRESS INDICATOR
   ================================================ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.05);
  z-index: 1000;
  pointer-events: none;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-gold-500) 0%, var(--color-primary-500) 50%, var(--color-secondary-500) 100%);
  background-size: 200% 100%;
  animation: gradientShift 3s ease infinite;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
  transition: width 0.1s ease-out;
}

/* ================================================
   LOADING OVERLAY
   ================================================ */

.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-dark-950);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  pointer-events: none;
}

.loading-overlay.active {
  display: flex;
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  position: relative;
  width: 80px;
  height: 80px;
}

.spinner-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  border-top-color: var(--color-secondary-500);
  animation-duration: 1.5s;
  animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
  width: 50%;
  height: 50%;
  top: 25%;
  left: 25%;
  border-top-color: var(--color-gold-500);
  animation-duration: 0.8s;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ================================================
   BACK TO TOP BUTTON
   ================================================ */

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-secondary-500) 100%);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 30px rgba(6, 182, 212, 0.5);
  background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-secondary-400) 100%);
}

.back-to-top:active {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
  }
}

/* ================================================
   FORMS
   ================================================ */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark-300);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-dark-500);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ================================================
   CODE BLOCKS
   ================================================ */

.code-block {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  overflow-x: auto;
}

.code-block code {
  color: var(--color-primary-300);
}

/* ================================================
   STATS
   ================================================ */

.stats-grid {
  display: grid;
  gap: var(--space-lg);
  text-align: center;
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  padding: var(--space-xl);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--color-dark-400);
}

/* ================================================
   CTA SECTION
   ================================================ */

.cta-section {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
}

.cta-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--space-md);
}

.cta-description {
  font-size: 1.125rem;
  color: var(--color-dark-400);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}