/* ==========================================================================
   DAVETLE DESIGN SYSTEM — LAYOUT
   Kapsayıcılar, grid, header ve footer. Mobil öncelikli.
   Kırılımlar: 640 / 768 / 1024 / 1280
   ========================================================================== */

/* --- Kapsayıcı ------------------------------------------------------------ */

.container {
  width: 100%;
  max-width: 72rem; /* 1152px */
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

.container--narrow {
  max-width: 44rem;
}

/* --- Bölümler -------------------------------------------------------------- */

.section {
  padding-block: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-24);
  }
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-brand);
  margin-bottom: var(--space-4);
}

.section__title {
  margin-bottom: var(--space-3);
}

.section__lead {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 40rem;
}

/* --- Grid ------------------------------------------------------------------ */

.grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Header ----------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--text-primary);
}

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

.brand-logo,
.brand-logo__full {
  display: inline-flex;
  align-items: center;
}

.brand-logo__full {
  position: relative;
  gap: 0.42rem;
  padding-bottom: 0.26rem;
}

.brand-logo__word {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-style: italic;
  font-weight: var(--weight-medium);
  line-height: 1;
  letter-spacing: -0.075em;
}

.brand-logo__descriptor {
  align-self: flex-end;
  padding-bottom: 0.14rem;
  color: var(--color-gold-700);
  font-family: var(--font-sans);
  font-size: 0.52rem;
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: 0.25em;
  text-transform: none;
}

.brand-logo__rule {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-500), transparent);
}

.brand-logo__monogram {
  display: none;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-style: italic;
  font-weight: var(--weight-medium);
  letter-spacing: -0.08em;
  line-height: 1;
}

.brand-logo__monogram span {
  color: var(--color-gold-500);
}

@media (max-width: 359px) {
  .brand-logo__full { display: none; }
  .brand-logo__monogram { display: inline-flex; }
}

/* Masaüstü navigasyon */
.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__link {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.site-nav__link:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.site-nav__link.is-active {
  color: var(--text-primary);
}

.site-header__actions {
  display: none;
  align-items: center;
  gap: var(--space-3);
}

/* Mobil menü butonu */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

.nav-toggle:hover {
  background: var(--bg-subtle);
}

/* Mobil menü paneli */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4) var(--space-5) var(--space-6);
}

.mobile-nav.is-open {
  display: block;
  animation: fade-up var(--duration-base) var(--ease-out);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  min-height: var(--touch-target);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
}

.mobile-nav__link:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
}

.mobile-nav__cta {
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .site-nav,
  .site-header__actions {
    display: inline-flex;
  }

  .nav-toggle,
  .mobile-nav {
    display: none !important;
  }
}

/* --- Footer ------------------------------------------------------------------ */

.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border-subtle);
  padding-block: var(--space-10);
  margin-top: auto;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.site-footer__brand-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__tagline {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}

.site-footer__link {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
}

.site-footer__link:hover {
  color: var(--text-primary);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.site-footer__attribution {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.site-footer__attribution:hover,
.site-footer__attribution:focus-visible {
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}