/* ============================================
   QUANTUM PARADOX — Components
   Nav, Footer, Buttons, Cards, Forms
   ============================================ */

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
  background: rgba(11, 16, 38, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0, 102, 255, 0.1), var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.nav__logo-img {
  height: 45px;
  width: 45px;
  border-radius: 50%;
  object-fit: cover;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width var(--transition-base);
  box-shadow: 0 0 8px var(--accent-blue-glow);
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent-blue);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

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

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav__toggle.open .nav__toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle.open .nav__toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--accent-blue);
  color: var(--text-bright);
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.3);
}

.btn--primary:hover {
  background: var(--accent-blue-bright);
  box-shadow: 0 0 30px rgba(0, 102, 255, 0.5), 0 0 60px rgba(0, 102, 255, 0.2);
  transform: translateY(-2px);
  color: var(--text-bright);
}

.btn--outline {
  background: transparent;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

.btn--outline:hover {
  background: var(--accent-blue-subtle);
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.2);
  transform: translateY(-2px);
  color: var(--accent-blue-bright);
}

.btn--ghost {
  background: transparent;
  color: var(--metal-silver);
  border: 1px solid var(--metal-gunmetal);
}

.btn--ghost:hover {
  border-color: var(--metal-silver);
  color: var(--text-heading);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1.1rem 2.8rem;
  font-size: 1rem;
}

.btn--sm {
  padding: 0.6rem 1.4rem;
  font-size: 0.8rem;
}

/* Button shimmer effect */
.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s ease;
}

.btn--primary:hover::before {
  left: 100%;
}

/* === CARDS === */
.card {
  background: var(--bg-surface);
  border: 1px solid rgba(61, 79, 95, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
}

.card:hover {
  border-color: rgba(0, 102, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 102, 255, 0.08);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--accent-blue-ghost);
  color: var(--accent-blue);
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--text-heading);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.card__text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === FORMS === */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--metal-silver);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid var(--metal-gunmetal);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-subtle), 0 0 20px rgba(0, 102, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

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

/* Inline email signup */
.signup-inline {
  display: flex;
  gap: var(--space-sm);
  max-width: 500px;
}

.signup-inline .form-input {
  flex: 1;
}

/* === FOOTER === */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid rgba(61, 79, 95, 0.3);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  text-decoration: none;
}

.footer__brand-logo img {
  height: 40px;
  width: 40px;
  border-radius: 50%;
}

.footer__brand-logo span {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer__brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--metal-silver);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--accent-blue);
}

.footer__bottom {
  border-top: 1px solid rgba(61, 79, 95, 0.2);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--metal-gunmetal);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.footer__social a:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  box-shadow: 0 0 15px rgba(0, 102, 255, 0.2);
}

/* === BADGE === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
  background: var(--accent-blue-ghost);
}

.badge--silver {
  border-color: var(--metal-gunmetal);
  color: var(--metal-silver);
  background: rgba(61, 79, 95, 0.2);
}

/* === STAT COUNTER === */
.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--accent-blue);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* === TIMELINE === */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-blue), var(--metal-gunmetal), transparent);
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-2xl);
  padding-left: var(--space-xl);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 10px var(--accent-blue-glow);
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-blue);
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-heading);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.timeline__text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(11, 16, 38, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--space-xl);
    gap: var(--space-lg);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
    border-bottom: 1px solid rgba(0, 102, 255, 0.1);
  }

  .nav__links.open {
    transform: translateY(0);
  }

  .nav__toggle {
    display: flex;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .signup-inline {
    flex-direction: column;
  }

  .btn--lg {
    padding: 0.9rem 2rem;
    font-size: 0.9rem;
  }
}