/* ============================================
   NexusForge Components
   ============================================ */

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

.nav__logo span {
  color: var(--color-accent);
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

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

.nav__link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-secondary);
}

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

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  z-index: var(--z-overlay);
  padding: var(--space-6);
}

.mobile-menu.active {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-menu .nav__link {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-lg);
}


/* --- Hero --- */
.hero {
  position: relative;
  padding: calc(64px + var(--space-20)) 0 var(--space-20);
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero { padding: calc(64px + var(--space-32)) 0 var(--space-32); }
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero__bg::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  opacity: 0.4;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, var(--color-bg-primary));
}

.hero__content {
  max-width: 800px;
}

.hero--center .hero__content {
  margin: 0 auto;
  text-align: center;
}

.hero__badge {
  margin-bottom: var(--space-6);
}

.hero__title {
  margin-bottom: var(--space-6);
}

.hero__description {
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero--center .hero__actions {
  justify-content: center;
}


/* --- Stats Bar --- */
.stats {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  padding: var(--space-12) 0;
}

@media (min-width: 768px) {
  .stats__grid { grid-template-columns: repeat(4, 1fr); }
}

.stats__item {
  text-align: center;
}

.stats__value {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .stats__value { font-size: var(--text-5xl); }
}

.stats__label {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}


/* --- Feature Grid --- */
.features__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-16);
}

.feature-card {
  padding: var(--space-8);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  font-size: var(--text-xl);
}

.feature-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
}

.feature-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}


/* --- Product Card --- */
.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.product-card__image {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-elevated) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__image-icon {
  font-size: var(--text-5xl);
  opacity: 0.15;
}

.product-card__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
}

.product-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__category {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.product-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.product-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
  margin-bottom: var(--space-6);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.product-card__price {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
}

.product-card__price-original {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  text-decoration: line-through;
  margin-left: var(--space-2);
}


/* --- Testimonial --- */
.testimonial {
  padding: var(--space-8);
}

.testimonial__quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent) 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  color: white;
}

.testimonial__name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.testimonial__role {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}


/* --- CTA Section --- */
.cta {
  position: relative;
  overflow: hidden;
  text-align: center;
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-8);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  opacity: 0.3;
}

.cta__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}


/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

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

.footer__brand-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 300px;
  margin-top: var(--space-4);
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer__link {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-primary);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}


/* --- Page Header (for inner pages) --- */
.page-header {
  padding: calc(64px + var(--space-16)) 0 var(--space-12);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.page-header__title {
  margin-bottom: var(--space-4);
}

.page-header__description {
  max-width: 600px;
  margin: 0 auto;
}


/* --- Product Detail --- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 768px) {
  .product-detail {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.product-detail__image {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-elevated) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-detail__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.product-detail__price {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
}

.product-detail__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.product-detail__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.product-detail__feature svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
}


/* --- Success Page --- */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.success-card {
  max-width: 500px;
  text-align: center;
  padding: var(--space-12);
}

.success-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: rgba(34, 197, 94, 0.12);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: var(--text-3xl);
}


/* --- About Page --- */
.about-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .about-values { grid-template-columns: repeat(3, 1fr); }
}

.about-values__item {
  text-align: center;
  padding: var(--space-8);
}

.about-values__number {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-accent);
  opacity: 0.3;
  margin-bottom: var(--space-4);
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

@media (min-width: 1024px) {
  .team-grid { grid-template-columns: repeat(3, 1fr); }
}

.team-card {
  text-align: center;
  padding: var(--space-8);
}

.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent) 0%, #7c3aed 100%);
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: white;
}


/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.filter-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

.filter-btn--active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-color: rgba(59, 130, 246, 0.3);
}