/* ============ Değişkenler ============ */
:root {
  --color-primary: #1f5f4a;
  --color-primary-dark: #164536;
  --color-primary-light: #e8f1ee;
  --color-text: #1c2321;
  --color-text-muted: #5b6662;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8f7;
  --color-border: #e1e6e4;

  --font-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --container: 1160px;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --header-height: 72px;
}

/* ============ Temel ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 0.5em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__header {
  max-width: 640px;
  margin-bottom: 48px;
}

.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.text-muted {
  color: var(--color-text-muted);
}

/* ============ Buton ============ */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ============ Header ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  color: var(--color-text);
}

.logo__name {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

/* Yalnızca üst bardaki logo yazısı */
.header .logo__name {
  font-family: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.logo__sub {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 8px 0;
  transition: color 0.2s;
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-primary);
}

/* Açılır menü */
.nav__item--dropdown {
  position: relative;
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: -16px;
  min-width: 220px;
  list-style: none;
  margin: 0;
  padding: 8px 0;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}

.nav__item--dropdown:hover .nav__dropdown,
.nav__item--dropdown:focus-within .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown a {
  display: block;
  padding: 10px 16px;
  color: var(--color-text);
  font-size: 0.92rem;
}

.nav__dropdown a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: var(--color-text);
  transition: transform 0.2s, opacity 0.2s;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #fff 70%);
  overflow: hidden;
}

.hero__content {
  max-width: 680px;
}

.hero__lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* İç sayfa başlığı */
.page-hero {
  padding: 72px 0 56px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

/* ============ Kartlar ============ */
.grid {
  display: grid;
  gap: 24px;
}

.grid--3 {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
  gap: 56px;
}

.card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--color-text);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.card__body {
  padding: 24px;
  flex: 1;
}

.card__body p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.card__link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
}

/* Görselsiz tanıtım bloğu */
.about-block {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

/* Görseller */
.card__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.4s;
}

.card {
  isolation: isolate;
}

.card:hover .card__img {
  transform: scale(1.04);
}

.media-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Görsel yer tutucu */
.placeholder-img {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 10;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 0;
}

.placeholder-img--rounded {
  border-radius: var(--radius);
}

/* ============ İstatistik / Öne çıkanlar ============ */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.feature__title {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.feature__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.feature__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--color-primary-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

/* ============ CTA ============ */
.cta {
  padding: 64px 0;
  background: var(--color-primary);
  color: #fff;
}

.cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta h2 {
  margin: 0;
}

.cta .btn {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.cta .btn:hover {
  background: transparent;
  color: #fff;
}

/* ============ İletişim ============ */
.contact-info {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-info li {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-info strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.form {
  display: grid;
  gap: 16px;
}

.form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
}

.form input,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.2s;
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

/* ============ Footer ============ */
.footer {
  background: #121815;
  color: #b9c2bf;
  padding: 64px 0 24px;
  font-size: 0.92rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer h4 {
  color: #fff;
  font-size: 0.95rem;
  margin: 0 0 16px;
}

.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer li {
  margin-bottom: 8px;
}

.footer a {
  color: #b9c2bf;
}

.footer a:hover {
  color: #fff;
}

.footer .logo__name {
  color: #fff;
}

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
}

/* ============ Mobil ============ */
@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    padding: 24px 20px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.25s;
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__link {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    box-shadow: none;
    padding: 0 0 8px 16px;
  }

  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .section { padding: 56px 0; }
  .hero { padding: 56px 0; }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}