/* ═══════════════════════════════════════════════════════
   TOULTRA — NAVIGATION & FOOTER SYSTEM
   Luxury header + footer for the entire platform.
   ═══════════════════════════════════════════════════════ */

/* ─── SKIP LINK (A11y) ─── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10000;
  padding: 12px 24px;
  background: var(--gold);
  color: var(--surface-0);
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 12px;
}

/* ═══════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════ */

#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(9, 9, 9, 0.75);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition:
    height var(--transition-standard),
    background var(--transition-standard),
    border-color var(--transition-standard);
}

#site-header.scrolled {
  height: var(--header-scrolled-height);
  background: rgba(9, 9, 9, 0.92);
  border-bottom-color: var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 32px;
}

/* ─── LOGO ─── */
.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.header-brand-icon {
  width: 30px;
  height: 30px;
  color: var(--gold);
  transition: transform var(--transition-standard);
}

.header-brand:hover .header-brand-icon {
  transform: scale(1.06);
}

.header-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.header-brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink-primary);
}

.header-brand-name b {
  color: var(--gold);
  font-weight: 700;
}

.header-brand-tagline {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--ink-tertiary);
  line-height: 1;
}

/* ─── DESKTOP NAV ─── */
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.header-nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 1.5px;
  background: var(--gold);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-standard);
}

.header-nav-link:hover {
  color: var(--ink-primary);
}

.header-nav-link:hover::after {
  transform: scaleX(1);
}

.header-nav-link[aria-current="page"] {
  color: var(--ink-primary);
}

.header-nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold);
  opacity: 0.5;
}

/* ─── COURSES DROPDOWN ─── */
.header-dropdown {
  position: relative;
}

.header-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.header-dropdown-trigger svg {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
  opacity: 0.5;
}

.header-dropdown:hover .header-dropdown-trigger svg,
.header-dropdown:focus-within .header-dropdown-trigger svg {
  transform: rotate(180deg);
  opacity: 0.8;
}

.header-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  min-width: 240px;
  padding: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-dropdown);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 100;
}

.header-dropdown:hover .header-dropdown-menu,
.header-dropdown:focus-within .header-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.header-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.header-dropdown-item:hover {
  background: var(--surface-3);
}

.header-dropdown-item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.header-dropdown-item-icon.free {
  background: var(--success-bg);
  color: var(--success);
}

.header-dropdown-item-icon.premium {
  background: var(--gold-subtle);
  color: var(--gold);
}

.header-dropdown-item-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.header-dropdown-item-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-primary);
  line-height: 1.2;
}

.header-dropdown-item-desc {
  font-size: 12px;
  color: var(--ink-tertiary);
  line-height: 1.3;
}

/* ─── HEADER ACTIONS (CTA area) ─── */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-divider {
  width: 1px;
  height: 20px;
  background: var(--border-subtle);
  margin: 0 4px;
}

.header-cta-ghost {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-primary);
  border: 1px solid var(--border-standard);
  border-radius: var(--r-full);
  text-decoration: none;
  transition: all var(--transition-standard);
  white-space: nowrap;
}

.header-cta-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.header-cta-primary {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--surface-0);
  background: var(--gold);
  border-radius: var(--r-full);
  text-decoration: none;
  box-shadow: var(--shadow-button);
  transition: all var(--transition-standard);
  white-space: nowrap;
}

.header-cta-primary:hover {
  background: var(--gold-bright);
  box-shadow: var(--shadow-button-hover);
  transform: translateY(-1px);
}

.header-cta-primary:active {
  transform: translateY(0);
}

/* ─── HAMBURGER ─── */
.header-hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  transition: background var(--transition-fast);
}

.header-hamburger:hover {
  background: var(--surface-3);
}

.header-hamburger-lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 20px;
}

.header-hamburger-lines span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--ink-primary);
  border-radius: 1px;
  transition: transform 0.3s var(--ease-spring), opacity 0.2s;
  transform-origin: center;
}

.header-hamburger[aria-expanded="true"] .header-hamburger-lines span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.header-hamburger[aria-expanded="true"] .header-hamburger-lines span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header-hamburger[aria-expanded="true"] .header-hamburger-lines span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── MOBILE MENU ─── */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(9, 9, 9, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 32px var(--pad-inline-mobile) 40px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity 0.3s var(--ease-smooth),
    visibility 0.3s,
    transform 0.3s var(--ease-spring);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav-label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-quaternary);
  padding: 20px 16px 8px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  border-radius: var(--r-md);
  transition: background var(--transition-fast), color var(--transition-fast);
  min-height: var(--touch-min);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  background: var(--surface-2);
  color: var(--ink-primary);
}

.mobile-nav-link[aria-current="page"] {
  color: var(--gold);
  background: var(--gold-subtle);
}

.mobile-nav-link svg {
  width: 18px;
  height: 18px;
  opacity: 0.5;
  flex-shrink: 0;
}

.mobile-menu-cta {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-menu-cta .header-cta-primary,
.mobile-menu-cta .header-cta-ghost {
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
  font-size: 15px;
}

/* ─── HEADER SPACER ─── */
.header-spacer {
  height: var(--header-height);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
  .header-nav,
  .header-actions,
  .header-divider {
    display: none;
  }

  .header-hamburger {
    display: flex;
  }

  .header-mobile-cta {
    display: inline-flex;
    margin-right: 8px;
  }
}

@media (min-width: 961px) {
  .mobile-menu {
    display: none !important;
  }

  .header-mobile-cta {
    display: none;
  }
}


/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */

.site-footer {
  border-top: 1px solid transparent;
  background: var(--surface-0);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--border-subtle) 20%,
    rgba(212, 175, 55, 0.15) 50%,
    var(--border-subtle) 80%,
    transparent 100%
  );
}

/* ─── NEWSLETTER SECTION ─── */
.footer-newsletter {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--border-hairline);
  text-align: center;
}

.footer-newsletter-eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.footer-newsletter h3 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.footer-newsletter p {
  font-size: 15px;
  color: var(--ink-tertiary);
  max-width: 420px;
  margin: 0 auto 28px;
  line-height: 1.5;
}

.footer-newsletter-form {
  display: flex;
  gap: 10px;
  max-width: 420px;
  margin: 0 auto;
}

.footer-newsletter-input {
  flex: 1;
  padding: 12px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink-primary);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-full);
  outline: none;
  transition: border-color var(--transition-standard), box-shadow var(--transition-standard);
  min-height: var(--touch-min);
}

.footer-newsletter-input::placeholder {
  color: var(--ink-quaternary);
}

.footer-newsletter-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-subtle);
}

.footer-newsletter-btn {
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--surface-0);
  background: var(--gold);
  border: none;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--transition-standard);
  white-space: nowrap;
  min-height: var(--touch-min);
}

.footer-newsletter-btn:hover {
  background: var(--gold-bright);
  transform: translateY(-1px);
  box-shadow: var(--shadow-button-hover);
}

.footer-newsletter-btn:active {
  transform: translateY(0);
}

/* ─── FOOTER GRID ─── */
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 48px;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.footer-brand-logo svg {
  width: 28px;
  height: 28px;
  color: var(--gold);
}

.footer-brand-logo span {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-primary);
}

.footer-brand-logo span b {
  color: var(--gold);
  font-weight: 700;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--ink-tertiary);
  line-height: 1.65;
  margin: 0;
  max-width: 260px;
}

.footer-brand-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  transition: gap var(--transition-standard), color var(--transition-standard);
}

.footer-brand-cta:hover {
  gap: 10px;
  color: var(--gold-bright);
}

.footer-brand-cta svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-standard);
}

.footer-brand-cta:hover svg {
  transform: translateX(2px);
}

/* ─── FOOTER COLUMNS ─── */
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-col-title {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-quaternary);
  margin-bottom: 12px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 0;
  font-size: 14px;
  color: var(--ink-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  width: fit-content;
}

.footer-link::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-standard);
  opacity: 0.5;
}

.footer-link:hover {
  color: var(--ink-primary);
}

.footer-link:hover::after {
  transform: scaleX(1);
}

.footer-link .badge {
  font-size: 9px;
  padding: 2px 8px;
  margin-left: 4px;
}

/* ─── BOTTOM BAR ─── */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid var(--border-hairline);
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 13px;
  color: var(--ink-quaternary);
  margin: 0;
}

.footer-signature {
  font-size: 12px;
  color: var(--ink-quaternary);
  font-style: italic;
  margin: 0;
}

/* ─── FOOTER RESPONSIVE ─── */
@media (max-width: 768px) {
  .footer-newsletter {
    padding: 48px 0 40px;
  }

  .footer-newsletter-form {
    flex-direction: column;
  }

  .footer-newsletter-btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 32px;
    padding: 40px 0;
  }

  .footer-brand-col {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  .header-nav-link::after,
  .footer-link::after {
    transition: none;
  }
  .mobile-menu {
    transition: opacity 0.01ms, visibility 0.01ms;
    transform: none !important;
  }
  .header-hamburger-lines span {
    transition-duration: 0.01ms;
  }
}