/* ==========================================================================
   Asya Bilge Vakfı — asyabilge.org
   Tek stil dosyası.

   Site tek sayfadan oluşuyor: üst bilgi, hero, manifesto metni,
   kapanış bölümü ve alt bilgi. Dosyadaki diğer bileşenler — menü, düğmeler,
   kartlar, sayı bloğu, listeler ve iletişim formu — ileride yeni bölüm veya
   alt sayfa eklenirse hazır olsun diye bilerek bırakıldı.
   ========================================================================== */

/* --- 1. Değişkenler ------------------------------------------------------ */

:root {
  /* Logodan alınan renkler */
  --petrol:        #1f4e5a;
  --petrol-dark:   #163a44;
  --petrol-soft:   #2f6675;
  --gold:          #c0a062;
  --gold-light:    #d8c294;
  --krem:          #fdf7f2;
  --krem-warm:     #f7ede4;
  --beyaz:         #ffffff;
  --metin:         #2c3a3f;
  --metin-soft:    #64757b;
  --cizgi:         #e7dbd0;

  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "Jost", "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;

  --genislik: 1120px;
  --dar:      760px;

  --gecis: 320ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 2. Temel ------------------------------------------------------------ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  /* Sayfa kısa olduğunda alt bilgi ekranın altına yapışsın */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--metin);
  background-color: var(--krem);
  background-image:
    radial-gradient(ellipse 90% 60% at 50% -10%, var(--krem-warm) 0%, transparent 70%),
    radial-gradient(circle at 88% 92%, rgba(192, 160, 98, 0.07) 0%, transparent 45%);
  background-attachment: fixed;
  overflow-x: hidden;
}

main { flex: 1 0 auto; }

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

a { color: var(--petrol); text-decoration: none; transition: color var(--gecis); }
a:hover { color: var(--gold); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- 3. Tipografi -------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--petrol);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(2.15rem, 6vw, 4rem); }
h2 { font-size: clamp(1.65rem, 4vw, 2.7rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p { margin: 0 0 1.25em; }
p:last-child { margin-bottom: 0; }

.kicker {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.1rem;
}

.giris {
  font-size: 1.2rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--metin-soft);
}

.vurgu { color: var(--petrol); font-weight: 400; }

/* --- 4. Yerleşim --------------------------------------------------------- */

.kapsayici {
  width: 100%;
  max-width: var(--genislik);
  margin-inline: auto;
  padding-inline: 28px;
}

.dar { max-width: var(--dar); margin-inline: auto; }

section { padding-block: clamp(64px, 9vw, 118px); }

.orta { text-align: center; }

/* --- 5. Süsleme: yaprak (logodaki ağaç motifi) -------------------------- */

.yaprak {
  display: block;
  width: 13px;
  height: 13px;
  background: var(--gold);
  border-radius: 0 100% 0 100%;
  transform: rotate(-45deg);
  flex: none;
}

.ayrac {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 0 0 2.6rem;
}

.ayrac::before,
.ayrac::after {
  content: "";
  width: clamp(40px, 8vw, 78px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.ayrac::after { background: linear-gradient(90deg, var(--gold), transparent); }

.ayrac--sol { justify-content: flex-start; }
.ayrac--sol::before { display: none; }
.ayrac--sol::after { width: clamp(60px, 12vw, 130px); }

/* --- 6. Başlık (header) -------------------------------------------------- */

.ust {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 247, 242, 0.9);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--cizgi);
}

.ust__ic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding-block: 12px;
}

.marka {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--petrol);
}

.marka:hover { color: var(--petrol); }

.marka img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  transition: transform var(--gecis);
}

.marka:hover img { transform: rotate(-6deg) scale(1.06); }

.marka__ad {
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  line-height: 1.15;
  text-transform: uppercase;
}

.marka__alt {
  display: block;
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-top: 3px;
}

.menu {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 38px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu a {
  position: relative;
  font-size: 0.83rem;
  font-weight: 400;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--metin);
  padding-block: 6px;
}

.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--gecis);
}

.menu a:hover::after,
.menu a[aria-current="page"]::after { width: 100%; }

.menu a[aria-current="page"] { color: var(--petrol); font-weight: 500; }

/* --- 7. Düğmeler --------------------------------------------------------- */

.dugmeler {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.dugme {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  border: 1px solid var(--petrol);
  background: var(--petrol);
  color: var(--krem);
  cursor: pointer;
  transition: background var(--gecis), color var(--gecis),
              border-color var(--gecis), transform var(--gecis);
}

.dugme:hover {
  background: var(--petrol-dark);
  border-color: var(--petrol-dark);
  color: var(--beyaz);
  transform: translateY(-2px);
}

.dugme--ikincil {
  background: transparent;
  border-color: var(--gold);
  color: var(--petrol);
}

.dugme--ikincil:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--beyaz);
}

.bag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--petrol);
}

.bag::after {
  content: "→";
  transition: transform var(--gecis);
}

.bag:hover::after { transform: translateX(6px); }

/* --- 8. Ana sayfa: hero -------------------------------------------------- */

.hero {
  position: relative;
  padding-block: clamp(40px, 7vw, 82px) clamp(56px, 8vw, 100px);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 4%;
  left: 50%;
  transform: translateX(-50%);
  width: min(660px, 88vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(192, 160, 98, 0.13) 0%, transparent 66%);
  pointer-events: none;
}

.hero__logo {
  position: relative;
  width: min(560px, 86%);
  height: auto;
  margin: 0 auto clamp(28px, 4vw, 46px);
}

.hero h1 { margin-bottom: 0.4em; }

.hero__lead {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--petrol);
  max-width: 30ch;
  margin: 0 auto;
}

.hero__slogan {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.6vw, 2.35rem);
  font-weight: 500;
  font-style: italic;
  line-height: 1.4;
  color: var(--petrol);
  max-width: 20ch;
  margin: 0 auto 1.1rem;
}

.hero__metin {
  max-width: 54ch;
  margin: 0 auto 2.4rem;
  color: var(--metin-soft);
  font-size: 1.08rem;
}

/* --- 8b. Manifesto metni ------------------------------------------------ */

.manifesto { padding-top: 0; }

.manifesto p {
  font-size: 1.38rem;
  line-height: 1.75;
}

.manifesto h2 { margin-bottom: 0.6em; }

.manifesto .ayrac { margin: 3.6rem 0 1.4rem; }

.manifesto .ayrac:first-child { margin-top: 0; }

/* Vurgulu ana cümleler */
.one-soz {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--petrol);
  border-left: 2px solid var(--gold);
  padding: 6px 0 6px clamp(20px, 3vw, 30px);
  margin: 2.4rem 0;
}

strong {
  font-weight: 500;
  color: var(--petrol);
}

/* Ritmik satır dizileri: her satır kendi bloğunda. Uzun bir satır alta
   taştığında devamı içeride kalır, böylece yeni satırla karışmaz. */
.manifesto .dizi { color: var(--metin-soft); }

.manifesto .dizi span {
  display: block;
  padding-left: calc(clamp(16px, 3vw, 30px) + 1.3em);
  text-indent: -1.3em;
}

/* Kapanış imzası */
.imza__ad {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--krem);
  line-height: 1.2;
}

.imza__alt {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--gold-light);
  margin-top: 4px;
}

.one-cikan .ayrac { margin: 1.8rem 0 2rem; }

.slogan {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 500;
  line-height: 1.75;
  color: var(--krem);
}

/* --- 9. Sayfa başlığı (iç sayfalar) ------------------------------------- */

.sayfa-basi {
  position: relative;
  padding-block: clamp(60px, 8vw, 104px) clamp(30px, 4vw, 48px);
  text-align: center;
}

.sayfa-basi h1 { margin-bottom: 0.35em; }

.sayfa-basi .giris { max-width: 58ch; margin-inline: auto; }

/* --- 10. Kartlar --------------------------------------------------------- */

.izgara {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(275px, 1fr));
  gap: 26px;
}

.kart {
  position: relative;
  padding: 40px 34px 36px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--cizgi);
  transition: border-color var(--gecis), background var(--gecis),
              transform var(--gecis);
}

.kart:hover {
  border-color: var(--gold-light);
  background: var(--beyaz);
  transform: translateY(-4px);
}

.kart__no {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 600;
  line-height: 1;
  color: var(--gold-light);
  margin-bottom: 14px;
  transition: color var(--gecis);
}

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

.kart h3 { margin-bottom: 0.55em; }

.kart p {
  font-size: 0.98rem;
  color: var(--metin-soft);
  margin-bottom: 1.5em;
}

/* Kurul üyeleri: dört kart tek satıra sığsın */
.izgara--dort { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.kisi { text-align: center; padding: 34px 24px; }

.kisi__gorsel {
  width: 74px;
  height: 74px;
  margin: 0 auto 18px;
  border: 1px solid var(--gold-light);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--gold);
  background: var(--krem);
}

.kisi h4 { margin-bottom: 0.2em; }

.kisi__unvan {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

/* --- 11. Vurgu bölümü (petrol zemin) ------------------------------------ */

.one-cikan {
  position: relative;
  background: var(--petrol);
  color: rgba(253, 247, 242, 0.82);
  overflow: hidden;
}

.one-cikan::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 22%, rgba(192, 160, 98, 0.2) 0%, transparent 42%),
    radial-gradient(circle at 88% 78%, rgba(192, 160, 98, 0.13) 0%, transparent 40%);
  pointer-events: none;
}

.one-cikan > * { position: relative; }
.one-cikan h2 { color: var(--krem); }
.one-cikan .kicker { color: var(--gold-light); }
.one-cikan .ayrac::before { background: linear-gradient(90deg, transparent, var(--gold-light)); }
.one-cikan .ayrac::after { background: linear-gradient(90deg, var(--gold-light), transparent); }
.one-cikan .yaprak { background: var(--gold-light); }

.one-cikan .dugme--ikincil {
  border-color: var(--gold-light);
  color: var(--krem);
}

.one-cikan .dugme--ikincil:hover {
  background: var(--gold-light);
  color: var(--petrol-dark);
}

.sayilar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 34px;
  margin-top: 54px;
  text-align: center;
}

.sayi__deger {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 600;
  line-height: 1;
  color: var(--gold-light);
}

.sayi__ad {
  font-size: 0.78rem;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  margin-top: 12px;
  color: rgba(253, 247, 242, 0.72);
}

/* --- 12. Faaliyet blokları ---------------------------------------------- */

.alan {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(30px, 6vw, 74px);
  align-items: start;
  padding-block: clamp(46px, 6vw, 76px);
  border-top: 1px solid var(--cizgi);
}

.alan:first-of-type { border-top: 0; padding-top: 0; }

.alan__baslik h2 { margin-bottom: 0; }

.alan__baslik .kicker { margin-bottom: 0.8rem; }

.liste {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
}

.liste li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 13px;
  color: var(--metin-soft);
}

.liste li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 11px;
  height: 11px;
  background: var(--gold);
  border-radius: 0 100% 0 100%;
  transform: rotate(-45deg);
}

/* --- 13. İletişim -------------------------------------------------------- */

.iletisim-duzen {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(34px, 6vw, 70px);
  align-items: start;
}

.bilgi-satir {
  display: flex;
  gap: 16px;
  padding-block: 20px;
  border-bottom: 1px solid var(--cizgi);
}

.bilgi-satir:first-of-type { padding-top: 0; }

.bilgi-satir__ad {
  flex: none;
  width: 92px;
  font-size: 0.76rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 4px;
}

.bilgi-satir__deger { margin: 0; }

.form {
  padding: 38px 34px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--cizgi);
}

.alan-grup { margin-bottom: 22px; }

.alan-grup label {
  display: block;
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--petrol);
  margin-bottom: 8px;
}

.alan-grup input,
.alan-grup textarea {
  width: 100%;
  padding: 13px 15px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--metin);
  background: var(--krem);
  border: 1px solid var(--cizgi);
  border-radius: 0;
  transition: border-color var(--gecis), background var(--gecis);
}

.alan-grup input:focus,
.alan-grup textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--beyaz);
}

.alan-grup textarea { resize: vertical; min-height: 148px; }

.form-not {
  font-size: 0.84rem;
  color: var(--metin-soft);
  margin: 18px 0 0;
}

/* --- 14. Alt bilgi (footer) --------------------------------------------- */

.alt {
  background: var(--petrol-dark);
  color: rgba(253, 247, 242, 0.68);
  padding-block: 62px 30px;
  font-size: 0.93rem;
}

.alt a { color: rgba(253, 247, 242, 0.68); }
.alt a:hover { color: var(--gold-light); }

.alt__ic {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px 64px;
  padding-bottom: 44px;
}

.alt__marka {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--krem);
  margin-bottom: 4px;
}

.alt__slogan {
  font-size: 0.76rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 18px;
}

.alt h4 {
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 16px;
}

.alt ul { list-style: none; margin: 0; padding: 0; }
.alt li { margin-bottom: 9px; }

.alt__telif {
  border-top: 1px solid rgba(253, 247, 242, 0.14);
  padding-top: 26px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(253, 247, 242, 0.5);
}

/* --- 15. Giriş animasyonu ----------------------------------------------- */

.beliren {
  opacity: 0;
  transform: translateY(18px);
  animation: belir 900ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.gecikme-1 { animation-delay: 120ms; }
.gecikme-2 { animation-delay: 260ms; }
.gecikme-3 { animation-delay: 400ms; }
.gecikme-4 { animation-delay: 540ms; }

@keyframes belir {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .beliren { opacity: 1; transform: none; animation: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- 16. Duyarlı (responsive) ------------------------------------------- */

@media (max-width: 900px) {
  .alan,
  .iletisim-duzen { grid-template-columns: 1fr; }
  .alt__ic { grid-template-columns: 1fr 1fr; }
  .alt__marka-blok { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  body { font-size: 17px; }

  /* Auf kleinen Bildschirmen wäre ein zweizeiliger Sticky-Header zu hoch:
     er läuft hier normal mit dem Inhalt mit. */
  .ust { position: static; }

  /* Fließtext bleibt auch auf dem Handy groß, aber nicht überbreit */
  .manifesto p { font-size: 1.22rem; }

  .one-soz {
    padding-left: 18px;
    margin: 2rem 0;
  }

  /* Volle Spaltenbreite nutzen statt viele kurze Zeilen */
  .hero__lead { max-width: none; }

  .ust__ic {
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding-block: 16px;
  }

  .menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
  }

  .menu a { font-size: 0.76rem; }

  html { scroll-padding-top: 20px; }

  .kapsayici { padding-inline: 20px; }

  .kart { padding: 32px 26px; }

  .form { padding: 30px 22px; }

  .bilgi-satir { flex-direction: column; gap: 4px; }
  .bilgi-satir__ad { width: auto; padding-top: 0; }
}

@media (max-width: 480px) {
  .alt__ic { grid-template-columns: 1fr; gap: 30px; }
  .dugmeler { flex-direction: column; align-items: stretch; }
  .dugme { justify-content: center; }
}