/* ─── Navigation — Dark Premium ─────────────────────────── */

.nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: 56px;
  background: rgba(5, 5, 6, 0.72);
  backdrop-filter: saturate(180%) blur(28px);
  -webkit-backdrop-filter: saturate(180%) blur(28px);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--slow) var(--spring),
    background   var(--slow) var(--spring);
}

.nav.scrolled {
  background: rgba(5, 5, 6, 0.92);
  border-bottom-color: var(--border);
}

/* ── Inner ───────────────────────────────────────────────── */
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 0;
}

/* ── Logo ────────────────────────────────────────────────── */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: auto;
  color: var(--ink-1);
  user-select: none;
}

.nav__logo-mark {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 14px rgba(232,129,58,0.30);
  position: relative;
  overflow: hidden;
}

.nav__logo-mark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,0.18) 0%, transparent 55%);
  border-radius: inherit;
}

.nav__logo-mark span {
  font-family: var(--font);
  font-size: 11px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.nav__logo-text {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--ink-2);
  line-height: 1;
}

.nav__logo-text em {
  font-style: normal;
  color: var(--ink-1);
  font-weight: 600;
}

/* ── Links ───────────────────────────────────────────────── */
.nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-right: 20px;
}

.nav__link {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-3);
  text-decoration: none;
  padding: 6px 12px;
  height: 32px;
  display: flex;
  align-items: center;
  border-radius: var(--r-sm);
  transition: color var(--fast) var(--ease), background var(--fast) var(--ease);
  letter-spacing: -0.01em;
}

.nav__link:hover {
  color: var(--ink-1);
  background: rgba(255,255,255,0.06);
}

/* ── Divider before CTA ──────────────────────────────────── */
.nav__div {
  width: 1px;
  height: 18px;
  background: var(--border);
  margin-right: 20px;
  flex-shrink: 0;
}

/* ── CTA ─────────────────────────────────────────────────── */
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: var(--accent);
  text-decoration: none;
  padding: 0 16px;
  height: 34px;
  border-radius: var(--r-max);
  transition:
    background var(--fast) var(--ease),
    box-shadow var(--mid) var(--spring);
  flex-shrink: 0;
  letter-spacing: -0.01em;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.14) inset,
    0 1px 3px rgba(0,0,0,0.24),
    0 0 0 rgba(232,129,58,0);
  position: relative;
  overflow: hidden;
}

.nav__cta::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(to bottom, rgba(255,255,255,0.14) 0%, transparent 60%);
  pointer-events: none;
}

.nav__cta:hover {
  background: var(--accent-hi);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.16) inset,
    0 4px 16px rgba(0,0,0,0.28),
    0 0 32px rgba(232,129,58,0.28);
}

.nav__cta svg {
  flex-shrink: 0;
  transition: transform var(--fast) var(--spring);
  position: relative;
}

.nav__cta:hover svg {
  transform: translateX(2px);
}

/* ── Hamburger button ────────────────────────────────────── */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.burger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink-1);
  border-radius: 1px;
  transition: transform var(--mid) var(--spring), opacity var(--fast) var(--ease);
  transform-origin: center;
}

.nav__burger.is-open .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__burger.is-open .burger__line:nth-child(2) {
  opacity: 0;
}
.nav__burger.is-open .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Desktop CTA hidden on mobile ───────────────────────── */
.nav__cta--desktop { display: inline-flex; }

/* ── Mobile menu overlay ────────────────────────────────── */
.nav__mobile {
  position: fixed;
  inset: 56px 0 0 0;
  background: rgba(5, 5, 6, 0.97);
  backdrop-filter: saturate(180%) blur(32px);
  -webkit-backdrop-filter: saturate(180%) blur(32px);
  z-index: 99;
  padding: 32px var(--pad);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--mid) var(--ease), transform var(--mid) var(--spring), visibility 0s var(--mid);
  pointer-events: none;
}

.nav__mobile.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition: opacity var(--mid) var(--ease), transform var(--mid) var(--spring), visibility 0s 0s;
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav__mobile-link {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  padding: 14px 16px;
  border-radius: var(--r-md);
  transition: color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.nav__mobile-link:hover {
  color: var(--ink-1);
  background: rgba(255,255,255,0.06);
}

.nav__mobile-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  background: var(--accent);
  text-decoration: none;
  padding: 0 24px;
  height: 48px;
  border-radius: var(--r-max);
  margin-top: 16px;
  transition: background var(--fast) var(--ease);
}

.nav__mobile-cta:hover {
  background: var(--accent-hi);
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__div   { display: none; }
  .nav__cta--desktop { display: none; }
  .nav__burger { display: flex; }
}