/* ============================================================
   NAVBAR
   ============================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  transition: background var(--t-base), backdrop-filter var(--t-base), border-color var(--t-base), padding var(--t-base);
  border-bottom: 1px solid transparent;
}

/* Scrolled state — applied by JS */
.navbar.is-scrolled {
  background: rgba(13, 13, 13, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--color-bg-3);
  padding-top: 14px;
  padding-bottom: 14px;
}

/* ── Logo ── */
.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  z-index: 101;
}

.navbar__logo .logo-svg {
  width: 108px;
  height: auto;
  display: block;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
}

/* ── Nav links — centered absolutely between logo and right group ── */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.navbar__link {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-neutral);
  transition: color var(--t-fast);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--t-base);
}

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

.navbar__link:hover::after {
  width: 100%;
}

.navbar__link.is-active {
  color: #FFFFFF;
}

.navbar__link.is-active::after {
  width: 100%;
  background: var(--color-accent);
}

/* ── Language toggle ── */
.navbar__lang {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  padding: 4px 6px;
  cursor: pointer;
  border-radius: 20px;
  transition: background 0.2s ease;
}

.navbar__lang:hover {
  background: rgba(255,255,255,0.05);
}

.navbar__lang-flag {
  display: flex;
  align-items: center;
  border-radius: 50%;
  transition: opacity 0.2s ease, transform 0.2s ease;
  opacity: 0.35;
  cursor: pointer;
}

.navbar__lang-flag.is-active {
  opacity: 1;
  transform: scale(1.15);
}

.navbar__lang-flag:hover {
  opacity: 0.7;
}

.navbar__flag-img {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  display: block;
  border: 1.5px solid rgba(255,255,255,0.15);
}

.navbar__lang-flag.is-active .navbar__flag-img {
  border-color: rgba(226,75,74,0.5);
}

.navbar__lang-sep {
  width: 1px;
  height: 14px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

/* ── Right group ── */
.navbar__right {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* ── CTA button ── */
.navbar__cta {
  font-size: 14px;
  padding: 10px 22px;
}

/* ── Hamburger ── */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 6px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  z-index: 101;
  background: none;
  border: none;
  padding: 0;
}

.navbar__hamburger-line {
  display: block;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-fast), width var(--t-base);
  transform-origin: center;
}

.navbar__hamburger-line:nth-child(1) { width: 24px; }
.navbar__hamburger-line:nth-child(2) { width: 16px; }

/* Hamburger open state — X morph */
.navbar__hamburger.is-open .navbar__hamburger-line:nth-child(1) {
  width: 22px;
  transform: translateY(3.75px) rotate(45deg);
}

.navbar__hamburger.is-open .navbar__hamburger-line:nth-child(2) {
  width: 22px;
  transform: translateY(-3.75px) rotate(-45deg);
  opacity: 1;
}

/* ── Mobile overlay ── */
.navbar__overlay {
  position: fixed;
  inset: 0;
  z-index: 98;
  background: rgba(13, 13, 13, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 120px var(--container-padding) var(--sp-7);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-base);
}

.navbar__overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.navbar__overlay-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.navbar__overlay-link {
  font-family: var(--font-display);
  font-size: clamp(32px, 8vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo), color var(--t-fast);
}

.navbar__overlay-link:hover {
  color: var(--color-accent);
}

.navbar__overlay.is-open .navbar__overlay-link:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
.navbar__overlay.is-open .navbar__overlay-link:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
.navbar__overlay.is-open .navbar__overlay-link:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
.navbar__overlay.is-open .navbar__overlay-link:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.navbar__overlay.is-open .navbar__overlay-link:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.25s; }
.navbar__overlay.is-open .navbar__overlay-link:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }

.navbar__overlay-bottom {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease-out-expo) 0.3s, transform 0.4s var(--ease-out-expo) 0.3s;
}

.navbar__overlay.is-open .navbar__overlay-bottom {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .navbar__links {
    display: none;
  }
}

@media (max-width: 640px) {
  .navbar__hamburger {
    display: flex;
  }

  .navbar__cta {
    display: none;
  }

  .navbar__lang {
    font-size: 11px;
    padding: 5px 10px;
  }
}

@media (min-width: 641px) {
  .navbar__overlay {
    display: none;
  }
}