/* ============================================================
   INCI AI — NAV.CSS
   Marketing Site Standart Navigation
   Versiyon: 1.2 | 2 Haziran 2026
============================================================ */

/* ── 1. NAV KAPSAYICI ─────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  transition: background var(--t), border-color var(--t);
}

.nav                          { background: rgba(14, 24, 18, 0.95); }
[data-color="b1"] .nav        { background: rgba( 9, 15, 28, 0.95); }
[data-color="y1"] .nav        { background: rgba(18, 12,  4, 0.95); }
[data-color="r1"] .nav        { background: rgba(19,  6,  8, 0.95); }
[data-theme="light"]              .nav { background: rgba(14, 24, 18, 0.97); }
[data-theme="light"][data-color="b1"] .nav { background: rgba( 9, 15, 28, 0.97); }
[data-theme="light"][data-color="y1"] .nav { background: rgba(18, 12,  4, 0.97); }
[data-theme="light"][data-color="r1"] .nav { background: rgba(19,  6,  8, 0.97); }

/* ── 2. İÇ DÜZEN ─────────────────────────────────────────── */
.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 6px;
}

/* ── 3. LOGO ──────────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 4px;
}
/* SVG dosya ile logo (tercih edilen) */
.nav-logo-img {
  height: 40px;
  width: auto;
  display: block;
}
/* Inline HTML logo — fallback / marketing sayfaları */
.nav-logo-text {
  font-family: var(--font-h);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 2px;
  color: #fff;
}
.nav-logo-badge {
  background: #9DC6AB;
  color: #0f1a13;
  font-family: var(--font-h);
  font-weight: 800;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 5px;
  letter-spacing: 1px;
}

/* ── 4. TEMA BUTONU (logo yanında) ───────────────────────── */
.theme-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.2);
  background: transparent;
  color: #fff;
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t);
  flex-shrink: 0;
  margin-right: 8px;
}
.theme-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
}

/* ── 5. DİL PİLLARI ──────────────────────────────────────── */
.lang-pills {
  display: flex;
  gap: 3px;
  margin-right: 4px;
}
.lang-pill {
  padding: 4px 9px;
  border-radius: 16px;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 11px;
  border: 1.5px solid rgba(255,255,255,0.18);
  background: transparent;
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  transition: all var(--t);
  letter-spacing: .04em;
}
.lang-pill:hover {
  color: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.4);
}
.lang-pill.active {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
  box-shadow: 0 0 10px var(--c-accent-glow);
}

/* ── 6. SPACER ────────────────────────────────────────────── */
.nav-spacer { flex: 1; }

/* ── 7. SAĞ BUTONLAR ─────────────────────────────────────── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Başlangıç Rehberi butonu — ghost stil */
.nav-guide {
  position: relative;
  padding: 7px 14px;
  border-radius: 20px;
  border: 1.5px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.8);
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 12px;
  text-decoration: none;
  transition: all var(--t);
  white-space: nowrap;
  cursor: pointer;
  background: transparent;
}
.nav-guide:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(255,255,255,0.04);
}

/* Tooltip */
.nav-guide-tooltip {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: 300px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  pointer-events: none;
  z-index: 2000;
  word-wrap: break-word;
  white-space: normal;
}
.nav-guide-tooltip.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
/* Ekran sağından taşmayı önle */
.nav-guide-tooltip.align-right {
  left: auto;
  right: 0;
  transform: translateY(4px);
}
.nav-guide-tooltip.align-right.open {
  transform: translateY(0);
}
/* Ok */
.nav-guide-tooltip::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--c-bg);
  border-left: 1px solid var(--c-border);
  border-top: 1px solid var(--c-border);
}
.nav-guide-tooltip.align-right::before {
  left: auto;
  right: 20px;
  transform: rotate(45deg);
}
.nav-guide-tooltip-title {
  font-family: var(--font-h);
  font-weight: 800;
  font-size: 13px;
  color: var(--c-text);
  margin-bottom: 8px;
  line-height: 1.3;
}
.nav-guide-tooltip-desc {
  font-size: 12px;
  color: var(--c-text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.nav-guide-tooltip-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 20px;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 11px;
  text-decoration: none;
  transition: all var(--t);
  box-shadow: 0 0 16px var(--c-accent-glow);
}
.nav-guide-tooltip-btn:hover {
  transform: translateY(-1px);
  opacity: .9;
}

/* INCI Lexikon linki */
.nav-lexikon {
  padding: 7px 14px;
  border-radius: 20px;
  border: 1.5px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.8);
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 12px;
  text-decoration: none;
  transition: all var(--t);
  white-space: nowrap;
}
.nav-lexikon:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(255,255,255,0.04);
}

/* CTA butonu */
.nav-cta {
  padding: 8px 18px;
  border-radius: 22px;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--t);
  letter-spacing: .02em;
  box-shadow: 0 0 18px var(--c-accent-glow);
  white-space: nowrap;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 22px var(--c-accent-glow);
  opacity: .92;
}

/* ── 8. HAMBURGER (sadece mobil) ─────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── 9. MOBİL SAĞ ALAN ───────────────────────────────────── */
.nav-mobile-right {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* ── 10. DRAWER ──────────────────────────────────────────── */
.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--c-bg);
  z-index: 999;
  padding: 24px 20px 32px;
  flex-direction: column;
  border-top: 1px solid var(--c-border);
  overflow-y: auto;
}
.nav-drawer.open { display: flex; }

.nav-drawer .lang-pills {
  margin-bottom: 20px;
  justify-content: center;
  gap: 6px;
}
.nav-drawer .lang-pill {
  padding: 6px 14px;
  font-size: 12px;
  border-color: var(--c-border);
  color: var(--c-text-muted);
}
.nav-drawer .lang-pill.active {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}

.nav-drawer-links {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--c-border);
  flex: 1;
}
.nav-drawer-link {
  font-size: 16px;
  color: var(--c-text);
  text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: color var(--t);
}
.nav-drawer-link:hover { color: var(--c-accent); }
.nav-drawer-link-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-drawer-footer {
  padding-top: 20px;
  border-top: 1px solid var(--c-border);
}
.nav-drawer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}
.nav-drawer-legal a {
  font-size: 12px;
  color: var(--c-text-muted);
  text-decoration: none;
  transition: color var(--t);
}
.nav-drawer-legal a:hover { color: var(--c-accent); }
.nav-drawer-email {
  font-size: 12px;
  color: var(--c-accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}
.nav-drawer .nav-cta {
  display: block;
  text-align: center;
  padding: 15px;
  font-size: 15px;
  border-radius: 28px;
  width: 100%;
}

/* ── 11. RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-center        { display: none; }
  .nav-right         { display: none; }
  /* landing'de lang-pills nav-center dışında olabilir */
  .nav-inner > .lang-pills { display: none; }
  .nav-inner > .theme-btn  { display: none; }
  .nav-mobile-right  { display: flex; }
  .hamburger         { display: flex; }
  .nav-inner         { padding: 0 16px; width: 100%; }
}

@media (min-width: 769px) {
  .nav-drawer { display: none !important; }
}

/* ── 12. MOBİL STICKY CTA (landing-özel) ─────────────────── */
.mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 998;
  padding: 10px 14px;
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  backdrop-filter: blur(10px);
}
.mobile-sticky a {
  display: block;
  text-align: center;
  padding: 13px;
  border-radius: 32px;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 0 20px var(--c-accent-glow);
}
@media (max-width: 768px) {
  .mobile-sticky { display: block; }
  .pwa-detected .mobile-sticky { display: none; }
}