/* =========================================================
   Layout: header, mobil menü (drawer), sayfa başlığı, footer
   ========================================================= */

/* ---------- Marka ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}
.brand__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-size: 1.375rem;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__text strong {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.brand__text small { font-size: var(--fs-xs); color: var(--color-text-muted); }

.brand--light .brand__mark { background: #fff; color: var(--navy-900); }
.brand--light .brand__text strong { color: #fff; }
.brand--light .brand__text small { color: var(--navy-200); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base), box-shadow var(--dur-base), background-color var(--dur-base);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.site-header__actions { display: flex; align-items: center; gap: var(--space-1); }

.main-nav { display: none; }
.main-nav__list { display: flex; align-items: center; gap: var(--space-1); }
.main-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--dur-fast), background-color var(--dur-fast);
}
.main-nav__link:hover { color: var(--color-text); background: var(--gray-100); }
.main-nav__link.is-active { color: var(--color-text); font-weight: 600; background: var(--navy-50); }

.site-header__admin { display: none; }

@media (min-width: 640px) {
  .site-header__admin { display: inline-flex; }
}

@media (min-width: 1080px) {
  .main-nav { display: block; }
  .nav-toggle, .site-header__call { display: none; }
  .site-header__actions { gap: var(--space-3); }
}

@media (min-width: 1200px) {
  .main-nav__link { padding: 0 var(--space-4); }
}

/* ---------- Mobil menü (drawer) ---------- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  visibility: hidden;
  pointer-events: none;
}
.drawer.is-open { visibility: visible; pointer-events: auto; }

.drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 22, 40, 0.5);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}
.drawer.is-open .drawer__backdrop { opacity: 1; }

.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(380px, 88vw);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-4) max(var(--space-4), env(safe-area-inset-bottom));
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out);
}
.drawer.is-open .drawer__panel { transform: none; }

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.drawer__nav { display: grid; gap: var(--space-1); }
.drawer__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 52px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text);
  transition: background-color var(--dur-fast);
}
.drawer__link:hover, .drawer__link:active { background: var(--gray-50); }
.drawer__link.is-active { background: var(--navy-50); }
.drawer__icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  color: var(--navy-800);
  font-size: 1.25rem;
}
.drawer__link.is-active .drawer__icon { background: var(--color-primary); color: #fff; }
.drawer__chevron { margin-left: auto; color: var(--gray-400); }

.drawer__quick { display: grid; gap: var(--space-2); }
.quick-action {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
  overflow-wrap: anywhere;
}
.quick-action .ti { font-size: 1.375rem; color: var(--color-accent); }
.quick-action small { display: block; font-weight: 400; color: var(--color-text-muted); }

.drawer__foot { margin-top: auto; }

/* ---------- Alt sayfa başlığı ---------- */
.page-header {
  padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem) clamp(2rem, 1.5rem + 2vw, 3rem);
  background:
    radial-gradient(60rem 20rem at 85% -20%, var(--navy-100), transparent 70%),
    var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb .ti { font-size: 0.875rem; color: var(--gray-400); }
.page-header__title { font-size: var(--fs-4xl); }
.page-header__lead {
  max-width: 640px;
  margin-top: var(--space-4);
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
}

/* ---------- Footer ---------- */
.site-footer {
  flex-shrink: 0;
  padding-top: clamp(3rem, 2rem + 4vw, 5rem);
  background: var(--navy-950);
  color: var(--navy-200);
  font-size: var(--fs-sm);
}
.site-footer a { transition: color var(--dur-fast); }
.site-footer a:hover { color: #fff; }

.site-footer__grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
}
.site-footer__desc { margin-top: var(--space-4); max-width: 340px; line-height: var(--lh-body); white-space: pre-line; }

.site-footer__title {
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
}

.site-footer__links { display: grid; gap: var(--space-3); }
.site-footer__links--menu { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.site-footer__contact { display: grid; gap: var(--space-3); }
.site-footer__contact li { display: flex; gap: var(--space-3); align-items: flex-start; }
.site-footer__contact .ti { margin-top: 2px; font-size: 1.125rem; color: #fff; }
.site-footer__contact span { white-space: pre-line; }

.site-footer__admin p { margin-bottom: var(--space-4); }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: clamp(2.5rem, 2rem + 2vw, 4rem);
  padding-block: var(--space-6) max(var(--space-6), env(safe-area-inset-bottom));
  border-top: 1px solid rgba(199, 212, 234, 0.14);
  color: var(--gray-400);
}
.site-footer__top { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 600; }
/* Siteyi yapanın imzası: sade, üzerine gelince belirginleşir */
.site-footer__imza { font-size: var(--fs-sm); }
.site-footer__imza a { color: var(--gray-300); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(199, 212, 234, 0.35); text-underline-offset: 3px; }
.site-footer__imza a:hover { color: #fff; text-decoration-color: currentColor; }

@media (min-width: 640px) {
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__links--menu { grid-template-columns: 1fr; }
}

@media (min-width: 1024px) {
  .site-footer__grid { grid-template-columns: 1.6fr 1fr 1.4fr 1.2fr; gap: var(--space-12); }
}