.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--color-navy);
  transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.header--scrolled {
  background-color: var(--color-navy-medium);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.35);
}

/* Açılış ve scroll durumu aynı düzen: logo solda, menü sağda.
   Tek fark yükseklik ve logo ölçüsü — ikisi de animasyonlu geçiyor.
   Yükseklik --header-height ile kuruluyor; içeriğin üst boşluğu da aynı
   değişkeni kullandığı için header ile içerik her zaman birbirine oturur. */
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  transition: height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.5s cubic-bezier(0.4, 0, 0.2, 1), gap 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 769px) {
  .header--scrolled .header__inner {
    height: 72px;
    padding: 0.4rem 0;
  }
}

@media (max-width: 768px) {
  .header--scrolled .header__inner {
    height: 56px;
  }
}

.header__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.header__logo-img {
  width: auto !important;
  object-fit: contain;
  transition: height 0.5s cubic-bezier(0.25, 1, 0.5, 1), max-height 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Dikey amblem artık kullanılmıyor: düzen her zaman tek satır */
.header__logo-img--stacked {
  display: none;
}

/* Açılışta yatay logo biraz daha büyük; scroll'da fixed ölçüsüne iner */
.header__logo-img--horizontal {
  display: block;
  height: 64px !important;
  max-height: 64px !important;
}

.header--scrolled .header__logo-img--horizontal {
  height: 44px !important;
  max-height: 44px !important;
}

/* Mobil: aynı davranış, daha kompakt ölçülerle */
@media (max-width: 768px) {
  .header__logo-img--horizontal {
    height: 48px !important;
    max-height: 48px !important;
  }

  .header--scrolled .header__logo-img--horizontal {
    height: 40px !important;
    max-height: 40px !important;
  }
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-white);
  letter-spacing: 6px;
  text-transform: uppercase;
}

.header__logo-sub {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 8px;
  text-transform: uppercase;
  display: block;
  margin-top: -2px;
}

/* Navigation */
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-300);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width var(--transition-base);
}

.nav__link:hover {
  color: var(--color-gold);
}

.nav__link--active {
  color: var(--color-white);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Hamburger */
.nav__toggle {
  display: none;
  width: 32px;
  height: 24px;
  position: relative;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: 9999;
}

.nav__toggle span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: all 0.3s ease;
  border-radius: 2px;
}

.nav__toggle span:nth-child(1) {
  top: 0;
}

.nav__toggle span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.nav__toggle span:nth-child(3) {
  bottom: 0;
}

.nav__toggle.active span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* ==================== FOOTER ==================== */
.footer {
  background-color: #042319;
  color: var(--color-gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-logo {
  height: 40px;
  margin-bottom: var(--space-4);
}

.footer__brand p {
  font-size: var(--text-sm);
  line-height: 1.8;
}

.footer__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

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

.footer__links a {
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-gold);
}

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.footer__contact svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  fill: rgba(255, 255, 255, 0.6);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

/* ==================== PAGE HERO ==================== */
.page-hero {
  position: relative;
  min-height: clamp(420px, 50vw, 600px);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-navy);
  margin-top: var(--header-height);
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.32;
  transform: scale(1.05);
}

.page-hero__content {
  position: relative;
  text-align: center;
  color: var(--color-white);
  z-index: 1;
  padding: var(--space-16) var(--container-padding);
}

.page-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: var(--space-5);
}

.page-hero__content h1 {
  color: var(--color-white);
  font-size: var(--text-6xl);
  margin-bottom: var(--space-4);
}

.page-hero__content p {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-gray-300);
  max-width: 40ch;
  margin: 0 auto;
}

/* Kompakt varyant: en fazla 300px yuksekliginde sayfa basligi.
   min-height, max-height'i ezdigi icin yukseklik burada min-height ile
   kuruluyor; icerik de kutuya sigacak sekilde olceklendiriliyor. */
.page-hero--compact {
  min-height: clamp(240px, 32vw, 300px);
}

.page-hero--compact .page-hero__content {
  padding: var(--space-10) var(--container-padding);
}

.page-hero--compact .page-hero__eyebrow {
  margin-bottom: var(--space-3);
}

.page-hero--compact .page-hero__content h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-3);
}

.page-hero--compact .page-hero__content p {
  font-size: var(--text-lg);
}

/* ==================== GRID ==================== */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Main content offset for fixed header */
main {
  min-height: calc(100vh - var(--header-height));
}