/* ==============================
   HEADER / NAV
   ============================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background:
    linear-gradient(
      to bottom,
      rgba(10, 11, 30, 0.98),
      rgba(3, 6, 22, 0.94)
    );
  border-bottom: 1px solid rgba(139, 92, 255, 0.35);
}

.site-header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-logo-img {
  display: block;
  height: 32px; /* 32–36px = that Apple / Google nav vibe */
  width: auto;
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-link {
  position: relative;
  padding-bottom: 2px;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 11px;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--violet);
  transition: width 0.18s ease-out;
}

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

.nav-link--active {
  color: var(--ink);
}

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

.nav-cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-login {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-subtle);
}

.nav-login:hover {
  color: var(--ink);
}

/* ==============================
   BUTTONS (used in header + page)
   ============================== */

.btn {
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 8px 18px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  color: var(--ink);
  transition:
    background 0.16s ease-out,
    border-color 0.16s ease-out,
    transform 0.1s ease-out;
}

.btn-primary {
  background:
    radial-gradient(circle at top left, var(--lime-soft-strong), transparent 55%),
    linear-gradient(135deg, #f7ffe1 0%, #dde98b 28%, var(--lime) 100%);
  color: #050509;
  border-color: rgba(0, 0, 0, 0.85);
}

.btn-primary:hover {
  transform: translateY(-1px);
}

.btn-ghost {
  border-color: rgba(185, 200, 90, 0.55);
  background:
    radial-gradient(circle at top left, var(--lime-soft), transparent 60%)
    rgba(3, 7, 22, 0.98);
  color: var(--ink-soft);
}

.btn-ghost:hover {
  border-color: rgba(139, 92, 255, 0.65);
  background:
    radial-gradient(circle at top left, var(--violet-soft), transparent 60%)
    rgba(5, 8, 26, 0.98);
}

.btn-live {
  border-color: rgba(139, 92, 255, 0.75);
  background:
    radial-gradient(circle at top left, var(--violet-soft), transparent 60%)
    rgba(3, 7, 22, 0.98);
  color: var(--ink-soft);
}

.btn-live:hover {
  border-color: rgba(185, 200, 90, 0.8);
  background:
    radial-gradient(circle at top left, var(--lime-soft), transparent 60%)
    rgba(5, 8, 26, 0.98);
}

/* ==============================
   MOBILE/TABLET NAV TOGGLE + OVERLAY
   ============================== */

.nav-menu-toggle {
  display: none; /* shown on <= 960px via media query */
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-menu-toggle:focus-visible {
  outline: 1px solid rgba(247, 251, 255, 0.6);
  outline-offset: 3px;
}

.nav-menu-icon {
  display: grid;
  grid-template-columns: repeat(3, 3px);
  grid-auto-rows: 3px;
  gap: 3px;
}

.nav-menu-icon span {
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: rgba(247, 251, 255, 0.9);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
}

.nav-overlay.is-open {
  display: block;
}

.nav-overlay-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top, rgba(139,92,255,0.28), transparent 60%),
    rgba(1,3,12,0.92);
}

.nav-overlay-panel {
  position: relative;
  margin: 32px auto;
  max-width: 380px;
  width: calc(100% - 48px);
  max-height: 80vh;
  overflow-y: auto;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.14);
  background:
    radial-gradient(circle at top left, rgba(185,200,90,0.18), transparent 60%),
    rgba(3,6,20,0.98);
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nav-overlay-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.nav-overlay-close {
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.nav-overlay-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
}

.nav-overlay-link {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  font-size: 11px;
}

.nav-overlay-link--active {
  color: var(--ink);
}

.nav-overlay-cta {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.nav-overlay-login {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-subtle);
}

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

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 32px 20px 24px;
  margin-top: var(--space-xxl);
  font-size: 12px;
  color: var(--ink-subtle);
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Desktop / tablet grid */
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  align-items: flex-start;
}

.footer-column {
  min-width: 0;
}

/* Desktop titles */
.footer-column-title {
  margin: 0 0 10px;
  font-size: 12px;
  text-transform: none;
  letter-spacing: 0.18em;
  color: var(--ink);
  font-weight: 500;
}

/* Mobile toggle button (hidden by default, shown in media query) */
.footer-column-toggle {
  display: none;
  width: 100%;
  border: none;
  background: transparent;
  padding: 0;
  text-align: left;
  font-size: 12px;
  text-transform: none;
  letter-spacing: 0.18em;
  color: var(--ink);
  cursor: pointer;
}

.footer-toggle-icon {
  font-size: 16px;
  margin-left: 10px;
  transition: transform 0.18s ease-out;
}

/* Link list */
.footer-column-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.footer-link {
  font-size: 12px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-soft);
}

.footer-link:hover {
  color: var(--ink);
  text-decoration: underline;
  color: var(--violet);
}

/* Bottom row with copyright */
.footer-bottom {
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  opacity: 0.85;
}
@media (max-width: 720px) {
  .footer-inner {
    gap: 8px;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .footer-column {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0;
  }

  /* Hide static titles, show accordion toggles */
  .footer-column-title {
    display: none;
  }

  .footer-column-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
  }

  /* Accordion behaviour */
  .footer-column-list {
    max-height: 0;
    overflow: hidden;
    padding-bottom: 0;
    transition: max-height 0.2s ease-out, padding-bottom 0.2s ease-out;
  }

  .footer-column.is-open .footer-column-list {
    max-height: 320px; /* enough for links */
    padding-bottom: 8px;
  }

  .footer-column.is-open .footer-toggle-icon {
    transform: rotate(180deg);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    border-top: none;
    padding-top: 12px;
  }
}

/* ==============================
  RESPONSIVE FOR HEADER / NAV
  ============================== */

@media (max-width: 960px) {
  .site-header-inner {
    flex-wrap: nowrap;
    align-items: center;
    gap: 10px;
  }

  .brand-lockup {
    flex: 0 0 auto;
  }

  .nav-menu-toggle {
    display: inline-flex;
    flex: 0 0 auto;
  }

  .nav-main {
    display: none;
  }
}