/*
   Header_css.css — Erpin 2026 Apple/Tesla Style
   Lacivert (#0B1D45) tema, favicon→logo animasyonu, mega menü
*/

/* ─── DEĞIŞKENLER ─────────────────────── */
:root {
  --nav-bg:          #0B1D45;
  --nav-bg-scrolled: rgba(11,29,69,.96);
  --nav-text:        #ffffff;
  --nav-link-hover:  rgba(255,255,255,.7);
  --accent:          #3b82f6;
  --studio-orange:   #ff6b00;
  --shopify-green:   #95BF47;
  --font-main:       'Cabin', sans-serif;
  --nav-height:      72px;
  --nav-height-mob:  56px;
}

/* ─── RESET ───────────────────────────── */
.erpin-nav-v2 *,
.erpin-nav-v2 *::before,
.erpin-nav-v2 *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
.erpin-nav-v2 ul  { list-style: none !important; }
.erpin-nav-v2 a   { text-decoration: none !important; }
.erpin-nav-v2 button { cursor: pointer; }

/* ─── HEADER WRAPPER ──────────────────── */
.erpin-nav-v2 {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 99999;
  background: var(--nav-bg);
  border-bottom: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 2px 24px rgba(0,0,0,.22);
  transition:
    background .35s cubic-bezier(.4,0,.2,1),
    box-shadow .35s cubic-bezier(.4,0,.2,1);
}
.erpin-nav-v2.is-scrolled {
  background: var(--nav-bg-scrolled);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 4px 32px rgba(0,0,0,.35);
}
.erpin-nav-v2.menu-open {
  background: var(--nav-bg);
}

/* ─── BAR ──────────────────────────────── */
.nav2-bar {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  position: relative;
}

/* ─── LOGO ─────────────────────────────── */
.nav2-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 44px;
  flex-shrink: 0;
  text-decoration: none;
}

/* Favicon ikonu — her zaman görünür, scroll'da kaybolur */
.nav2-icon {
  display: flex;
  align-items: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  opacity: 1;
  transform: rotate(0deg) scale(1);
  transition:
    opacity  .42s cubic-bezier(.4,0,.2,1),
    transform .42s cubic-bezier(.4,0,.2,1),
    width .42s cubic-bezier(.4,0,.2,1),
    max-width .42s cubic-bezier(.4,0,.2,1),
    margin-right .35s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}
.nav2-icon svg { width: 100%; height: 100%; }
.icon-sq2 {
  fill: #ffffff;
  transition: fill .3s;
}

/* Wordmark — başta gizli, scroll'da ortaya çıkar */
.nav2-wordmark {
  display: flex;
  align-items: center;
  opacity: 0;
  max-width: 0;
  width: 0;
  transform: translateX(-12px);
  transition:
    opacity   .38s cubic-bezier(.4,0,.2,1),
    transform .38s cubic-bezier(.4,0,.2,1),
    max-width .48s cubic-bezier(.4,0,.2,1),
    width .48s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
  pointer-events: none;
  flex: 0 0 auto;
}
.nav2-wordmark img {
  height: 26px;
  width: auto;
  display: block;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .25s ease, transform .32s cubic-bezier(.4,0,.2,1);
  filter: brightness(0) invert(1); /* lacivert arka planda beyaz görüntü */
}

/* Scroll/sticky → favicon gizlenir, wordmark belirir */
.erpin-nav-v2.is-scrolled .nav2-icon,
.erpin-nav-v2.menu-open   .nav2-icon {
  opacity: 0;
  width: 0;
  max-width: 0;
  margin-right: 0;
  transform: scale(0.8) rotate(-8deg);
}
.erpin-nav-v2.is-scrolled .nav2-wordmark,
.erpin-nav-v2.menu-open   .nav2-wordmark {
  opacity: 1;
  max-width: 130px;
  width: 130px;
  transform: translateX(0);
  pointer-events: auto;
}
.erpin-nav-v2.is-scrolled .nav2-wordmark img,
.erpin-nav-v2.menu-open   .nav2-wordmark img {
  opacity: 1;
  transform: translateX(0);
}

/* ─── CENTER NAV ────────────────────────── */
.nav2-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: auto;
}
.nav2-list {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  padding: 0; margin: 0;
}
.nav2-item { position: static; }

.nav2-link {
  display: inline-flex;
  align-items: center;
  height: var(--nav-height);
  padding: 0 18px;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.88);
  letter-spacing: -.1px;
  background: none;
  border: none;
  cursor: pointer;
  transition: color .18s ease;
  white-space: nowrap;
}
.nav2-link:hover,
.nav2-link.is-active { color: #ffffff; }

/* Aktif item dışındakileri soluk yap */
.erpin-nav-v2.menu-open .nav2-link:not(.is-active) {
  opacity: .45;
  transition: opacity .2s ease;
}
.erpin-nav-v2.menu-open .nav2-link.is-active { opacity: 1; }

/* Renkli özel linkler */
.nav2-link--studio      { color: var(--studio-orange) !important; }
.nav2-link--studio:hover { color: #ff8c33 !important; }
.nav2-link--shopify      { color: var(--shopify-green) !important; }
.nav2-link--shopify:hover{ color: #aad165 !important; }

/* ─── SAĞ AKSİYONLAR ───────────────────── */
.nav2-end {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: auto;
}
.nav2-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  color: rgba(255,255,255,.8);
  text-decoration: none;
  border: none;
  background: none;
  transition: background .18s, color .18s, transform .18s;
  flex-shrink: 0;
}
.nav2-icon-btn:hover {
  background: rgba(255,255,255,.12);
  color: #ffffff;
  transform: scale(1.08);
}
.nav2-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: 22px;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 700;
  color: var(--nav-bg);
  background: #ffffff;
  letter-spacing: -.1px;
  transition: background .2s, transform .2s, box-shadow .2s;
  text-decoration: none;
  white-space: nowrap;
}
.nav2-cta:hover {
  background: #e8ecf6;
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(255,255,255,.18);
}

/* ─── DROPDOWN PANELLER ─────────────────── */
/* position: fixed — tam ekran genişliği */
.nav2-panel {
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  width: 100%;
  z-index: 9998;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity    .2s cubic-bezier(.4,0,.2,1),
    transform  .2s cubic-bezier(.4,0,.2,1),
    visibility 0s .2s;
}
.nav2-panel.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}

/* Arka plan overlay */
.erpin-nav-v2.menu-open::after {
  content: '';
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9997;
  pointer-events: none;
  animation: navDimIn .22s ease forwards;
}
@keyframes navDimIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Panel içi — tam beyaz */
.panel2-inner {
  background: #ffffff;
  border-top: 3px solid var(--nav-bg);
  box-shadow: 0 12px 48px rgba(0,0,0,.18);
  padding: 36px max(24px, calc((100vw - 1320px) / 2 + 28px)) 44px;
  display: flex;
  align-items: flex-start;
  gap: 0;
  width: 100%;
  box-sizing: border-box;
}

/* Kolonlar */
.panel2-inner .p2-col {
  flex: 1;
  padding: 0 28px 0 0;
  min-width: 0;
}
.panel2-inner .p2-col + .p2-col {
  padding-left: 28px;
  border-left: 1px solid rgba(0,0,0,.07);
}
.panel2-inner .p2-col:last-child { padding-right: 0; }

/* ─── KOLON BAŞLIKLAR ──── */
.p2-col-header { margin-bottom: 20px; }
.p2-slogan {
  display: block;
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--nav-bg);
  margin-bottom: 5px;
}
.p2-title {
  font-family: var(--font-main);
  font-size: 17px;
  font-weight: 700;
  color: #0d1117;
  margin-bottom: 7px;
  letter-spacing: -.2px;
  line-height: 1.25;
}
.p2-desc {
  font-family: var(--font-main);
  font-size: 13px;
  color: #6e6e73;
  line-height: 1.55;
  margin: 0;
}

/* ─── DROPDOWN LİNKLER ──── */
.ddl2 {
  display: block;
  padding: 8px 0;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 400;
  color: #1d1d1f;
  text-decoration: none;
  letter-spacing: -.1px;
  line-height: 1.3;
  transition: color .15s ease, padding-left .15s ease;
  white-space: nowrap;
}
.ddl2:hover {
  color: var(--nav-bg);
  padding-left: 4px;
}
.ddl2--accent {
  color: var(--nav-bg);
  font-weight: 700;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(0,0,0,.08);
  font-size: 13px;
}
/* Studio paneli turuncu hover */
.panel--studio .p2-slogan { color: var(--studio-orange); }
.panel--studio .ddl2:hover { color: var(--studio-orange); }
.panel--studio .ddl2--accent { color: var(--studio-orange); }

/* ─── FEATURE KARTI (Bayi vb.) ─── */
.p2-feature {
  flex-shrink: 0;
  width: 256px;
  align-self: stretch;
  display: flex;
  align-items: flex-start;
  margin-left: auto;
}
.p2-card {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8edf8 100%);
  border: 1px solid rgba(11,29,69,.1);
  border-radius: 16px;
  padding: 22px;
  width: 100%;
}
.p2-logo-title {
  font-family: var(--font-main);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: #6e6e73;
  margin-bottom: 14px;
}
.p2-logo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.p2-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid rgba(0,0,0,.07);
  border-radius: 10px;
  padding: 9px 12px;
  transition: border-color .18s, box-shadow .18s;
}
.p2-logo-item:hover {
  border-color: rgba(11,29,69,.2);
  box-shadow: 0 2px 12px rgba(11,29,69,.08);
}
.p2-logo-item img {
  height: 26px;
  width: auto;
  max-width: 88px;
  object-fit: contain;
  filter: grayscale(20%);
  transition: filter .18s;
}
.p2-logo-item:hover img { filter: none; }
.p2-card-cta {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 700;
  color: var(--nav-bg);
  text-decoration: none;
  gap: 4px;
  transition: gap .15s;
}
.p2-card-cta:hover { gap: 8px; }

/* ─── BURGER / MOBİL TOGGLE ─────────────── */
.nav2-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: 4px;
}
.burger2-box {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 22px;
}
.burger2-box span {
  display: block;
  height: 1.5px;
  background: #ffffff;
  border-radius: 2px;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  transform-origin: center;
}
.burger2-box--x span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger2-box--x span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger2-box--x span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ─── MOBİL OVERLAY ─────────────────────── */
.nav2-mobile {
  position: fixed;
  inset: 0;
  z-index: 99998;
  background: #0B1D45;
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-height) + 16px) 24px 40px;
  overflow-y: auto;
  transform: translateY(-20px);
  opacity: 0;
  visibility: hidden;
  transition:
    transform .3s cubic-bezier(.4,0,.2,1),
    opacity   .3s cubic-bezier(.4,0,.2,1),
    visibility 0s .3s;
}
.nav2-mobile.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.mob2-nav { flex: 1; }
.mob2-section { border-bottom: 1px solid rgba(255,255,255,.1); }
.mob2-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  padding: 18px 0;
  font-family: var(--font-main);
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -.2px;
}
.mob2-chevron {
  font-size: 16px;
  color: rgba(255,255,255,.45);
  transition: transform .3s ease;
  display: inline-block;
  font-style: normal;
}
.mob2-chevron.open { transform: rotate(-180deg); }

.mob2-body { padding-bottom: 12px; }
.mob2-group { margin-bottom: 12px; }
.mob2-group-title {
  font-family: var(--font-main);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent);
  opacity: .7;
  padding: 8px 0 5px;
}
.mob2-link {
  display: block;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.05);
  transition: color .15s, padding-left .15s;
  text-decoration: none;
}
.mob2-link:hover { color: #ffffff; padding-left: 6px; }

/* Accordion animasyonu */
.mob2-body-wrap {
  overflow: hidden;
  max-height: 0;
  transition: max-height .3s cubic-bezier(.4,0,.2,1), opacity .25s ease;
  opacity: 0;
}
.mob2-body-wrap.open {
  max-height: 800px;
  opacity: 1;
}

.mob2-cta {
  display: flex;
  gap: 12px;
  padding-top: 24px;
}
.mob2-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  border-radius: 14px;
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: opacity .2s, transform .2s;
}
.mob2-btn:hover { opacity: .85; transform: scale(.98); }
.mob2-btn--wa      { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.18); }
.mob2-btn--primary { background: #ffffff; color: var(--nav-bg); }

/* ─── RESPONSIVE ─────────────────────────── */
@media (max-width: 1080px) {
  .nav2-center { display: none; }
  .nav2-cta    { display: none; }
  .nav2-burger { display: flex; }
}
@media (max-width: 500px) {
  :root { --nav-height: var(--nav-height-mob); }
  .nav2-bar    { padding: 0 14px; }
  .nav2-mobile { padding: calc(var(--nav-height-mob) + 12px) 18px 32px; }
  .mob2-head   { font-size: 16px; }
  .nav2-icon-btn { display: none; }
  .nav2-logo { margin-right: 8px; }
  .nav2-icon { width: 24px; height: 24px; }
}