/* START — tanıtım sitesi
   Renkleri değiştirmek için aşağıdaki :root bölümü yeterli. */

:root {
  --zemin: #05070f;
  --zemin-2: #0a0f1f;
  --yuzey: rgba(255, 255, 255, 0.035);
  --cizgi: rgba(255, 255, 255, 0.09);
  --yazi: #eaeef8;
  --soluk: #93a0bb;
  --vurgu: #7cc4ff;
  --vurgu-2: #a78bfa;
  --baslik-font: "Space Grotesk", "Inter", system-ui, sans-serif;
  --metin-font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ust-yukseklik: 68px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--ust-yukseklik);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(74, 108, 255, 0.16), transparent 60%),
    radial-gradient(900px 600px at 0% 30%, rgba(124, 196, 255, 0.07), transparent 60%),
    linear-gradient(180deg, var(--zemin) 0%, var(--zemin-2) 55%, var(--zemin) 100%);
  background-color: var(--zemin);
  color: var(--yazi);
  font-family: var(--metin-font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

#yildizlar {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.kap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Yazı stilleri ---------- */

h1, h2, h3 {
  font-family: var(--baslik-font);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 7.2vw, 5.25rem); max-width: 14ch; }
h2 { font-size: clamp(1.9rem, 4.4vw, 3.1rem); max-width: 18ch; }

.ust-yazi {
  margin: 0 0 18px;
  font-family: var(--baslik-font);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--vurgu);
}

.alt-baslik {
  margin: 16px 0 0;
  font-family: var(--baslik-font);
  font-size: 1.2rem;
  color: var(--soluk);
}

.metin { color: var(--soluk); margin: 0 0 18px; max-width: 62ch; }

.vurgu {
  background: linear-gradient(100deg, #ffffff 0%, var(--vurgu) 45%, var(--vurgu-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Üst menü ---------- */

.ust {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--ust-yukseklik);
  border-bottom: 1px solid transparent;
  transition: background-color .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}

.ust.kaydi,
.ust.acik {
  background-color: rgba(5, 7, 15, 0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--cizgi);
}

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

.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo img { height: 34px; width: auto; }

.logo-yazi {
  font-family: var(--baslik-font);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yazi);
}

.logo-yazi span { color: var(--vurgu); }

.menu { display: flex; gap: 36px; }

.menu a,
.alt nav a {
  font-size: 0.95rem;
  color: var(--soluk);
  transition: color .2s ease;
}

.menu a:hover,
.alt nav a:hover { color: var(--yazi); }

.menu-dugme {
  display: none;
  width: 44px; height: 44px;
  margin-right: -10px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}

.menu-dugme span {
  display: block;
  width: 22px; height: 2px;
  margin: 5px auto;
  background: var(--yazi);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}

.ust.acik .menu-dugme span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ust.acik .menu-dugme span:nth-child(2) { opacity: 0; }
.ust.acik .menu-dugme span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--ust-yukseklik) + 40px) 0 140px;
  overflow: hidden;
}

.hero-ic { position: relative; z-index: 2; }

.hero h1 { margin-bottom: 40px; }

.hero-isik {
  position: absolute;
  top: -20%; right: -10%;
  width: 70vw; height: 70vw;
  max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(124, 196, 255, 0.16), rgba(167, 139, 250, 0.08) 40%, transparent 68%);
  filter: blur(10px);
  pointer-events: none;
}

/* Alttaki gezegen ufku */
.ufuk {
  position: absolute;
  left: 50%;
  bottom: -148vw;
  width: 160vw; height: 160vw;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 0%, rgba(20, 32, 70, 0.9), var(--zemin) 30%);
  border-top: 1px solid rgba(160, 205, 255, 0.55);
  box-shadow:
    0 -1px 22px rgba(124, 196, 255, 0.45),
    0 -30px 120px rgba(90, 130, 255, 0.22),
    inset 0 40px 90px rgba(124, 196, 255, 0.08);
  pointer-events: none;
}

.dugme {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: 999px;
  background: var(--yazi);
  color: #060914;
  font-weight: 600;
  font-size: 1rem;
  transition: transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2), 0 12px 40px rgba(124, 196, 255, 0.22);
}

.dugme:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3), 0 18px 50px rgba(124, 196, 255, 0.36);
}

/* ---------- Bölümler ---------- */

.bolum { padding: 120px 0; position: relative; }

/* ---------- Uygulama kartları ---------- */

.kartlar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.kart {
  --renk: var(--vurgu);
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 24px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--cizgi);
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.kart::before {
  content: "";
  position: absolute;
  top: -90px; left: -40px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, var(--renk), transparent 65%);
  opacity: 0.13;
  transition: opacity .3s ease;
  pointer-events: none;
}

.kart:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--renk) 45%, transparent);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px color-mix(in srgb, var(--renk) 18%, transparent);
}

.kart:hover::before { opacity: 0.24; }

.kart-logo {
  position: relative;
  align-self: flex-start;
  height: 136px; width: auto;
  max-width: 100%;
  margin-bottom: 24px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.45));
}

.kart-isim {
  position: relative;
  margin: 0 0 8px;
  font-family: var(--baslik-font);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--renk);
}

.kart h3 { position: relative; font-size: 1.4rem; line-height: 1.2; margin-bottom: 12px; }

.kart-aciklama {
  position: relative;
  margin: 0 0 26px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--soluk);
}

.kart-alt {
  position: relative;
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.rozet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--cizgi);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.8rem;
  color: var(--soluk);
}

.rozet::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--soluk);
}

.rozet.yayinda { color: #8ff0c0; border-color: rgba(143, 240, 192, 0.35); }
.rozet.yayinda::before { background: #8ff0c0; box-shadow: 0 0 10px #8ff0c0; }

.play-dugme {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--yazi);
  color: #060914;
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform .2s ease;
}

.play-dugme:hover { transform: translateY(-1px); }

/* ---------- Hakkında ---------- */

.hakkinda {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 72px;
  align-items: start;
}

.hikaye .metin { font-size: 1.08rem; max-width: 58ch; }
.hikaye .metin:first-child { color: var(--yazi); }

/* ---------- İletişim ---------- */

.iletisim {
  position: relative;
  padding: 80px 32px;
  border-radius: 28px;
  border: 1px solid var(--cizgi);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(124, 196, 255, 0.14), transparent 70%),
    var(--yuzey);
  text-align: center;
  overflow: hidden;
}

.iletisim h2,
.iletisim .metin { margin-left: auto; margin-right: auto; }
.iletisim h2 { margin-bottom: 18px; }

.eposta {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--baslik-font);
  font-size: clamp(1.25rem, 4.6vw, 2.1rem);
  font-weight: 500;
  color: var(--yazi);
  border-bottom: 1px solid rgba(124, 196, 255, 0.5);
  padding-bottom: 4px;
  transition: color .2s ease, border-color .2s ease;
  overflow-wrap: anywhere;
}

.eposta:hover { color: var(--vurgu); border-color: var(--vurgu); }

/* ---------- Alt bilgi ---------- */

.alt { border-top: 1px solid var(--cizgi); padding: 32px 0; }

.alt-ic {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.alt p { margin: 0; font-size: 0.9rem; color: var(--soluk); }
.alt nav { display: flex; gap: 28px; }


/* ---------- Cam (glass) görünüm ---------- */
/* Kartlar, paneller ve düğmeler buzlu cam gibi: arkası bulanık, üst kenarı ışıklı. */

.kart,
.iletisim {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.025) 42%, rgba(255, 255, 255, 0.045));
  border: 1px solid rgba(255, 255, 255, 0.13);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    inset 0 -1px 0 rgba(255, 255, 255, 0.04),
    0 18px 50px rgba(0, 0, 0, 0.35);
}

.iletisim {
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(167, 139, 250, 0.16), transparent 70%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02) 45%, rgba(255, 255, 255, 0.04));
}

.kart:hover {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    inset 0 0 40px color-mix(in srgb, var(--renk) 10%, transparent),
    0 26px 64px rgba(0, 0, 0, 0.5),
    0 0 44px color-mix(in srgb, var(--renk) 20%, transparent);
}

/* Sıvı cam düğme: saydam gövde, üstte parlak yansıma, altta renkli ışık */
.dugme,
.play-dugme {
  color: var(--yazi);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.34) 0%, rgba(255, 255, 255, 0.10) 46%, rgba(255, 255, 255, 0) 50%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(167, 139, 250, 0.22));
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  backdrop-filter: blur(16px) saturate(170%);
  box-shadow:
    inset 0 1.5px 0 rgba(255, 255, 255, 0.6),
    inset 0 -10px 18px rgba(167, 139, 250, 0.2),
    0 10px 30px rgba(0, 0, 0, 0.45),
    0 0 36px rgba(167, 139, 250, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}

.dugme { padding: 16px 28px; }

.dugme:hover,
.play-dugme:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.5);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42) 0%, rgba(255, 255, 255, 0.14) 46%, rgba(255, 255, 255, 0) 50%),
    linear-gradient(180deg, rgba(124, 196, 255, 0.18), rgba(167, 139, 250, 0.5));
  box-shadow:
    inset 0 1.5px 0 rgba(255, 255, 255, 0.75),
    inset 0 -12px 22px rgba(167, 139, 250, 0.38),
    0 16px 40px rgba(0, 0, 0, 0.5),
    0 0 56px rgba(167, 139, 250, 0.42);
}

.dugme:active,
.play-dugme:active { transform: translateY(1px) scale(0.98); }

.rozet {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* ---------- Giriş animasyonları ---------- */

.js .belir {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .2, 1);
  transition-delay: var(--gecikme, 0s);
}

.js .belir.gorundu { opacity: 1; transform: none; }

/* ---------- Tablet ---------- */

@media (max-width: 1100px) {
  .kartlar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .hakkinda { grid-template-columns: 1fr; gap: 36px; }
}

/* ---------- Telefon ---------- */

@media (max-width: 720px) {
  body { font-size: 16px; }
  .bolum { padding: 84px 0; }
  .hero { padding-bottom: 110px; }

  .menu-dugme { display: block; }

  .menu {
    position: absolute;
    top: var(--ust-yukseklik);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
    background-color: rgba(5, 7, 15, 0.96);
    border-bottom: 1px solid var(--cizgi);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }

  .ust.acik .menu { opacity: 1; visibility: visible; transform: none; }

  .menu a {
    padding: 16px 0;
    font-size: 1.1rem;
    color: var(--yazi);
    border-bottom: 1px solid var(--cizgi);
  }

  .menu a:last-child { border-bottom: 0; }

  .kartlar { grid-template-columns: 1fr; gap: 16px; margin-top: 40px; }
  .iletisim { padding: 56px 20px; border-radius: 22px; }
  .alt-ic { flex-direction: column; align-items: flex-start; }
}

/* Hareket istemeyenler için animasyonlar kapalı */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .belir { opacity: 1; transform: none; transition: none; }
  .kart, .dugme { transition: none; }
}