/* ==========================================================================
   NilSoft — Software & Co.
   Tasarim sistemi · Koyu lacivert / turkuaz
   Renk kontrastlari WCAG AA dogrulanmistir (bkz. tokens)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Yuzeyler */
  --bg:          #0A1F33;
  --bg-deep:     #061524;
  --surface:     #12304D;
  --surface-2:   #17395A;
  --border:      rgba(95, 211, 224, 0.18);
  --border-str:  rgba(95, 211, 224, 0.34);

  /* Marka */
  --accent:      #2AB3C0;
  --accent-2:    #5FD3E0;
  --accent-dim:  rgba(42, 179, 192, 0.12);
  --on-accent:   #062A33;

  /* Metin — hepsi 4.5:1 ustu */
  --text:        #E8F4F8;
  --text-soft:   #C7DAE5;
  --muted:       #A3B9C9;

  /* Beyaz metin ve beyaz yuzey (hero vurgulari) */
  --white:       #FFFFFF;
  --white-dim:   #F1F6F9;
  /* Buton zemini: beyaz yazi ile AA kontrast (4.6:1) icin koyu turkuaz */
  --btn-bg:        #12808C;
  --btn-bg-hover:  #0F6E79;

  /* Tipografi */
  --font-head: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Olcek */
  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 14px;
  --radius-lg: 22px;

  /* Golge */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow:    0 12px 32px rgba(0, 0, 0, 0.32);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.42);

  /* Cam (glassmorphism) — Hizmet kartlari
     --card-hue her kart icin data-hue özniteliğinden atanır. */
  --glass-bg:        rgba(18, 48, 77, 0.30);
  --glass-bg-hover:  rgba(23, 57, 90, 0.40);
  --glass-border:      rgba(255, 255, 255, 0.14);
  --glass-border-str:  rgba(255, 255, 255, 0.28);

  /* Hareket */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 220ms;

  /* Z-index olcegi */
  --z-nav: 20;
  --z-header: 30;
  --z-overlay: 40;
  --z-menu: 50;
}

/* --------------------------------------------------------------------------
   2. Reset & temel
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }

button { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

::selection {
  background: var(--accent);
  color: var(--on-accent);
}

/* --------------------------------------------------------------------------
   3. Erisilebilirlik
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  border-radius: 8px;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 1rem; color: var(--on-accent); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  /* Animasyonla gizlenen ogeler gorunur kalmali */
  .reveal,
  .tech-chip,
  .site-header {
    opacity: 1 !important;
    transform: none !important;
  }
  .section-head .eyebrow::after { transform: scaleX(1); }
  .footer-col a::after { transform: scaleX(0); }
  .hero-logo { animation: none !important; }
}

/* --------------------------------------------------------------------------
   4. Yerlesim yardimcilari
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  isolation: isolate;   /* dalga alani en arkada kalsin */
  padding-block: clamp(4.5rem, 10vw, 8rem);
}
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

/* Koyu bant ritmi kaldirildi: shader tum bolumlerde ayni parlaklikta akar. */

.stack > * + * { margin-top: 1rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--accent);
}

.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow::before { display: none; }

/* Hizmetler basligi icin cam yuzey — hero paneliyle ayni dil.
   backdrop-filter desteklenmezse yari saydam gradyan tek basina okunur.
   Yatay dolgu simetrik; kutu .section-head'in 46rem sinirindan 54rem'e
   genisletilir, boylece metinler kutunun icinde denge kuruyor. */
.section-head--glass {
  max-width: 54rem;
  padding: clamp(1.75rem, 3.5vw, 2.75rem) clamp(1.75rem, 3.5vw, 3rem);
  background: linear-gradient(160deg, rgba(18, 48, 77, 0.5), rgba(10, 31, 51, 0.5));
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  border: 1px solid var(--border-str);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
/* Kutu ici metinler beyaz: baslik --text, alt aciklama onceki --muted idi.
   Kutu saydam oldugu icin altindaki shader metnin arkasindan geciyor;
   --white-dim bu zeminde --muted'in okunabilirligini korur. */
.section-head--glass .section-title { color: var(--white); }
.section-head--glass .section-sub   { color: var(--white-dim); }

.section-title { font-size: clamp(1.9rem, 4.2vw, 2.9rem); margin-top: 1rem; }
.section-sub { color: var(--muted); font-size: 1.06rem; margin-top: 1.1rem; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --------------------------------------------------------------------------
   5. Butonlar
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;              /* dokunma hedefi >= 44px */
  padding: 0.8rem 1.6rem;
  border: 1px solid transparent;
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: 0.97rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn--primary:hover { background: var(--accent-2); color: var(--on-accent); }

/* Beyaz varyant — hero'daki "Projelerimizi inceleyin" gibi vurgu CTA'lari */
.btn--white {
  background: var(--white);
  border-color: var(--white);
  color: var(--btn-bg);
}
.btn--white:hover {
  background: var(--white-dim);
  border-color: var(--white-dim);
  color: var(--btn-bg-hover);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border-str);
  color: var(--text);
}
.btn--ghost:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent-2);
}

/* Metin linki + ok */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--accent-2);
  cursor: pointer;
  transition: color var(--dur) var(--ease), gap var(--dur) var(--ease);
}
.link-arrow svg { width: 17px; height: 17px; }
.link-arrow:hover { color: var(--accent); gap: 0.75rem; }

/* --------------------------------------------------------------------------
   6. Buton grup (hero)
   -------------------------------------------------------------------------- */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.25rem;
}

/* --------------------------------------------------------------------------
   7. Kart
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.card:hover {
  background: var(--surface-2);
  border-color: var(--border-str);
  transform: translateY(-3px);
}

.card-icon {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  margin-bottom: 1.5rem;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--accent-2);
}
.card-icon svg { width: 26px; height: 26px; }

.card-title { font-size: 1.22rem; margin-bottom: 0.7rem; }
.card-text { color: var(--muted); font-size: 0.97rem; }

.card-list {
  margin-top: 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
  list-style: none;
  display: grid;
  gap: 0.55rem;
}
.card-list li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-size: 0.9rem;
  color: var(--text-soft);
}
/* Madde isareti: ince cizgi + nokta yerine yildiz.
   Daha once SVG tik, sonra cizgi+nokta denendi; yildiz hem daha okunur
   hem de kart rengiyle ayni aileden.                                        */
.card-star {
  width: 13px; height: 13px;
  flex-shrink: 0;
  margin-top: 0.28rem;
  color: color-mix(in srgb, var(--card-hue) 45%, white 55%);
  transition: transform 380ms var(--ease), color 380ms var(--ease);
}
.card:hover .card-star {
  transform: scale(1.18) rotate(8deg);
  color: color-mix(in srgb, var(--card-hue) 25%, white 75%);
}

/* Ikon rengi: kart rengi yerine beyaz — cam uzerinde net durur */
.service-card .card-icon {
  color: var(--white);
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.18);
}
.service-card:hover .card-icon {
  color: var(--white);
  background: rgba(255, 255, 255, 0.18);
}

/* --------------------------------------------------------------------------
   8. Header / navigasyon
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 1rem;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  pointer-events: none;
  /* Acik mobil menu ile yatay kaydirma olusmasin */
  overflow-x: clip;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: 0.7rem 0.75rem 0.7rem 1.25rem;
  background: rgba(10, 31, 51, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 100px;
  box-shadow: var(--shadow);
  pointer-events: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.brand img { height: 34px; width: auto; }
.brand-name {
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.1;
}
.brand-sub {
  display: block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white-dim);
}

.nav { display: flex; align-items: center; gap: 0.25rem; }
.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--white);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav a:hover,
.nav a[aria-current='page'] {
  color: var(--white);
  background: var(--accent-dim);
}

.header-actions { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }

/* Dil degistirici — kayan rozet. Konum, hangi dugmenin aria-pressed="true"
   olduguna :has() ile baglanir; JS yalnizca aria-pressed degistirir. */
.lang-switch {
  position: relative;
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 100px;
}
.lang-switch::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  z-index: 0;
  width: calc(50% - 4px);
  height: calc(100% - 6px);
  background: var(--accent);
  border-radius: 100px;
  transition: transform 320ms var(--ease);
}
/* TR aktifse rozet yerinde; EN aktifse saga kayar (gap + dugge genisligi kadar) */
.lang-switch:has(.lang-btn[aria-pressed='true']:last-child)::before {
  transform: translateX(calc(100% + 2px));
}

.lang-btn {
  position: relative;
  z-index: 1;
  min-width: 40px;
  min-height: 34px;
  padding: 0 0.6rem;
  background: transparent;
  border: 0;
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--dur) var(--ease), transform 160ms var(--ease);
}
.lang-btn:hover { color: var(--accent-2); }
.lang-btn:active { transform: scale(0.92); }
.lang-btn[aria-pressed='true'] { color: var(--on-accent); }

.header-cta { display: none; }

/* Hamburger */
.menu-toggle {
  display: none;
  place-items: center;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.menu-toggle:hover { border-color: var(--accent); color: var(--accent-2); }
.menu-toggle svg { width: 22px; height: 22px; }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded='true'] .icon-open { display: none; }
.menu-toggle[aria-expanded='true'] .icon-close { display: block; }

@media (min-width: 1100px) {
  .header-cta { display: inline-flex; }
  .header-cta.btn { min-height: 40px; padding: 0.5rem 1.15rem; font-size: 0.9rem; }
}

/* Menudeki mobil CTA sadece dar ekranda gorunur; geniste header'daki CTA var */
.nav-cta { display: none; }

/* Mobil menu */
@media (max-width: 900px) {
  .header-inner {
    border-radius: 20px;
    padding: 0.6rem 0.6rem 0.6rem 1rem;
  }
  .menu-toggle { display: grid; }

  /* Kapali menu DOM'da durur ama hicbir olcuye girmez: yatay kaydirma olusmaz.
     JS .is-open eklediginde gorunur hale gelir ve animasyon oynar. */
  .nav {
    display: none;
    position: fixed;
    top: 0; right: 0; bottom: 0;
    z-index: var(--z-menu);
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    width: min(340px, 86vw);
    padding: 6rem 1.5rem 2rem;
    background: var(--bg-deep);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open {
    display: flex;
    animation: nav-in 280ms var(--ease);
  }

  @keyframes nav-in {
    from { transform: translateX(100%); }
    to   { transform: translateX(0); }
  }

  .nav a {
    min-height: 52px;
    padding: 0.75rem 1rem;
    font-size: 1.05rem;
    border-radius: 12px;
  }

  .nav-cta { display: block; margin-top: 1rem; }
  .nav-cta .btn { width: 100%; }
}

/* --------------------------------------------------------------------------
   9. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(5rem, 12vw, 9rem) clamp(4rem, 9vw, 7rem);
  overflow: hidden;
  isolation: isolate;
}

/* Grid cocuklarinin kucultulmeden tasmasini engelle */
.hero-grid > * { min-width: 0; }

/* Shader sahnesi: Hero + Hizmetler bolumlerini kapsayan zemin katmani.
   .hero-shader ve .hero-shade bu konteynere gore konumlanir. */
.shader-stage {
  position: relative;
  isolation: isolate;   /* zemin ve perde, bolum iceriklerinin arkasinda kalsin */
}

/* Warp shader zemini — hero-warp.js, @paper-design/shaders (vanilla) ile
   bu div'e WebGL canvas basar. WebGL desteklenmezse asagidaki statik
   gradyan fallback olarak gorunur kalir. */
.hero-shader {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 70% 55% at 78% 8%,  rgba(42, 179, 192, 0.20), transparent 65%),
    radial-gradient(ellipse 60% 50% at 10% 95%, rgba(95, 211, 224, 0.12), transparent 60%),
    var(--bg);
}
.hero-shader > canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Metin kontrastini koruyan perde: tum sayfa genelinde hafif karartma,
   hero metni uzerinde lokal derinlesme (sabit px — sahne cok uzun
   oldugu icin yuzde kullanilmaz), sayfa sonunda footer'a dogru kararma. */
.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(rgba(10, 31, 51, 0.35), rgba(10, 31, 51, 0.35)),
    radial-gradient(ellipse 50% 640px at 24% 520px, rgba(10, 31, 51, 0.65), transparent 72%),
    linear-gradient(180deg,
      rgba(10, 31, 51, 0.30) 0px,
      rgba(10, 31, 51, 0) 560px,
      rgba(10, 31, 51, 0) calc(100% - 1100px),
      rgba(6, 21, 36, 0.80) calc(100% - 280px),
      #061524 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero-title {
  font-size: clamp(2.3rem, 6vw, 4.1rem);
  margin-top: 1.5rem;
}
.hero-title .accent { color: var(--accent-2); }

.hero-text {
  max-width: 34rem;
  margin-top: 1.6rem;
  font-size: clamp(1.02rem, 1.6vw, 1.15rem);
  color: var(--muted);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 1rem 0.45rem 0.55rem;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-soft);
}
.hero-badge strong {
  padding: 0.15rem 0.6rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Durum noktasi — dekoratif, icerigin bir parcasi degil */
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(42, 179, 192, 0.22);
}

/* Buzlu cam yuzey — logo plakasi ve metin paneli ortak (%50 opaklik).
   backdrop-filter desteklenmezse yari saydam gradyan tek basina da okunabilirlik saglar. */
.hero-media,
.hero-panel {
  background: linear-gradient(160deg, rgba(18, 48, 77, 0.5), rgba(10, 31, 51, 0.5));
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  border: 1px solid var(--border-str);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.hero-media {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.25rem);
}

/* Metin kolonunun cam paneli — logo plakasiyla ayni yuzey */
.hero-panel {
  padding: clamp(1.75rem, 3.5vw, 2.75rem) clamp(1.5rem, 3vw, 2.5rem);
}
.hero-logo {
  width: 100%;
  max-width: 420px;
  filter: drop-shadow(0 18px 50px rgba(42, 179, 192, 0.28));
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  margin-top: 3rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--border);
}
.stat-num {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  margin-top: 0.5rem;
  font-size: 0.88rem;
  color: var(--white-dim);
}

/* --------------------------------------------------------------------------
   9. Hizmetler
   -------------------------------------------------------------------------- */
.service-card { cursor: default; }
/* (Ikon rengi ve hover rengi asagida beyaz olarak tanimli — bkz. kart
   bolumu. Buradaki turkuaz hover kurali kaldirildi, aksi halde onu ezerdi.) */
/* --- Hizmet kartlari: glassmorphism -------------------------------------
   Once WebGL shader arka planlari vardi, sonra imleci takip eden
   spotlight (GlowCard) vardi; ikisi de kaldirildi. Kart artik yalnizca
   kendi rengiyle yari saydam cam yuzey.

   Renk belirginligi ile metin kontrasti ters yönde hareket eder: hue ne
   kadar cok katilirsa zemin o kadar koyulasir ve soluk metin düşer.
   Bu yüzden kart metinleri --text-soft tonunda tutuluyor.             */
.service-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
}
/* Kenar parlamasi: maske teknigiyle yalnizca kenarda gorunur.
   mask-composite desteklenmezse gizlenir (tarayici destegi sinirli).  */
/* Kenar parlamasi (GlowCard). Once maske teknigi denendi
   (mask-composite: intersect) ama bu kartlarda gradient'i tamamen
   siliyordu — kart yuzeyinde isik lekesi kaliyor, kenarda parlamayi
   gostermiyordu. Bilesendeki daha basit yontem calisiyor: kalin saydam
   border + background-attachment fixed.
   ONEMLI: background-size/position '100% 100%' ve '0 0' olmali.
   Varsayilan 'auto' + '50% 50%' degradient'i kartin merkezine sabitler
   ve imlec konumu olan 'at' koordinatini gecersiz kilar — parlama
   kalanir ama imleci takip etmez.                                        */
/* Kart rengi: artik belirgin. once %58 idi ve arka planin lacivertiyle
   karisiyordu; %70'e cikarildi ve degrade kartin tamamina yayildi.
   %80'in ustunde turuncu kartta liste metni AA altina duser (4.36:1),
   o yuzden %70 ust limit.                                                 */
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(150deg,
    color-mix(in srgb, var(--card-hue) 70%, transparent) 0%,
    color-mix(in srgb, var(--card-hue) 58%, transparent) 42%,
    color-mix(in srgb, var(--card-hue) 42%, transparent) 74%,
    color-mix(in srgb, var(--card-hue) 28%, transparent) 100%);
}
.service-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-str);
  box-shadow: var(--shadow);
}
.service-card:hover::after {
  background: linear-gradient(150deg,
    color-mix(in srgb, var(--card-hue) 82%, transparent) 0%,
    color-mix(in srgb, var(--card-hue) 70%, transparent) 42%,
    color-mix(in srgb, var(--card-hue) 54%, transparent) 74%,
    color-mix(in srgb, var(--card-hue) 40%, transparent) 100%);
}
/* İçerik katmanı: ikon kutusu ve metin, cam renginin üstünde */
.service-card > * {
  position: relative;
  z-index: 2;
}
/* Kart metni: renk %58'e çıktığı için liste metni bir ton açıldı.
   --muted (#A3B9C9) burada 4.1:1'e düşüyordu (AA altı), --text-soft 5.9:1. */
.service-card .card-text,
.service-card .card-list li {
  color: var(--text-soft);
}
/* Cam efekti desteklenmezse: düz yüzey + kart rengi vurgusu kalır */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .service-card { background: color-mix(in srgb, var(--card-hue) 12%, var(--surface)); }
}

/* Kart renkleri — data-hue özniteliğinden. Prompt'taki paletin koyu tonu. */
.service-card[data-hue='#660099'] { --card-hue: #660099; } /* mor          */
.service-card[data-hue='#005580'] { --card-hue: #005580; } /* camgöbeği     */
.service-card[data-hue='#008000'] { --card-hue: #008000; } /* yeşil         */
.service-card[data-hue='#b35900'] { --card-hue: #b35900; } /* turuncu/amber */

/* --------------------------------------------------------------------------
   10. Teknoloji / yetenek seridi
   -------------------------------------------------------------------------- */
.tech-band {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  max-width: 62rem;
  margin-inline: auto;
}
.tech-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.tech-chip svg { width: 18px; height: 18px; color: var(--accent); }
.tech-chip:hover { border-color: var(--accent); color: var(--accent-2); }

/* --------------------------------------------------------------------------
   11. Surec (adimlar)
   -------------------------------------------------------------------------- */
.process-list {
  display: grid;
  gap: 1.25rem;
  counter-reset: step;
}
.process-step {
  position: relative;
  display: flex;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.process-step:hover { border-color: var(--border-str); background: var(--surface-2); }
.process-step::before {
  counter-increment: step;
  content: '0' counter(step);
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  flex-shrink: 0;
}
.process-step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.process-step p { color: var(--muted); font-size: 0.95rem; }

/* --------------------------------------------------------------------------
   12. Projeler
   -------------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}
.filter-btn {
  min-height: 44px;
  padding: 0.55rem 1.3rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.filter-btn:hover { color: var(--accent-2); border-color: var(--border-str); }
.filter-btn[aria-pressed='true'] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.project-card:hover {
  background: var(--surface-2);
  border-color: var(--border-str);
  transform: translateY(-4px);
}
.project-card[hidden] { display: none; }

.project-visual {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 10;
  padding: 2rem;
  background:
    radial-gradient(ellipse 80% 70% at 50% 0%, rgba(42, 179, 192, 0.20), transparent 70%),
    var(--bg-deep);
  border-bottom: 1px solid var(--border);
  color: var(--accent-2);
}
.project-visual svg { width: 56px; height: 56px; }
.project-tag {
  position: absolute;
  top: 1rem; left: 1rem;
  padding: 0.3rem 0.8rem;
  background: rgba(6, 21, 36, 0.85);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-2);
}
.project-body { padding: 1.6rem; flex: 1; display: flex; flex-direction: column; }
.project-body h3 { font-size: 1.1rem; margin-bottom: 0.55rem; }
.project-body p { color: var(--muted); font-size: 0.93rem; }

/* --------------------------------------------------------------------------
   13. Form
   -------------------------------------------------------------------------- */
.form-grid { display: grid; gap: 1.25rem; }
.field { display: grid; gap: 0.5rem; }
.field label {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-soft);
}
.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--dur) var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: #7C93A6; }
.field input:focus,
.field textarea:focus,
.field select:focus { border-color: var(--accent); outline: none; }
.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

.field-error {
  font-size: 0.84rem;
  color: #FF9A8B;
  min-height: 1.2em;
}

.form-status {
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  font-size: 0.93rem;
  border: 1px solid transparent;
}
.form-status[hidden] { display: none; }
.form-status--ok {
  background: rgba(42, 179, 192, 0.12);
  border-color: var(--accent);
  color: var(--accent-2);
}
.form-status--err {
  background: rgba(255, 110, 96, 0.10);
  border-color: rgba(255, 154, 139, 0.5);
  color: #FFB3A8;
}

/* --------------------------------------------------------------------------
   14. Iletisim
   -------------------------------------------------------------------------- */
/* Iletisim bilgi karti ile form ayni yukseklikte olur.
   Grid esit sutun verir; align-items varsayilan "stretch" ile
   her iki kart da bolumun tam yuksekligine esitlenir. */
.contact-grid { align-items: stretch; }
.contact-grid > .card { height: 100%; }

/* Bilgi karti icerigi yuksekligi doldurur, notu alta yaslar */
.contact-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem 2rem;
}
.contact-card .notice { margin-top: auto; }
.contact-card-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

/* Form kartı: dikeyde esner, buton tabanda kalır */
.contact-form {
  display: flex;
  flex-direction: column;
  padding: 1.75rem 2rem;
}
.contact-form .form-grid { flex: 1; }
.contact-form button[type='submit'] { margin-top: auto; }
.contact-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: 0; }
.contact-item svg {
  width: 21px; height: 21px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--accent-2);
}
.contact-label {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-value { color: var(--text); font-weight: 500; }
.contact-value a { color: var(--text); }
.contact-value a:hover { color: var(--accent-2); }

/* --------------------------------------------------------------------------
   15. SSS (accordion)
   -------------------------------------------------------------------------- */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 0;
  min-height: 56px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent-2); }
.faq-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--accent);
  transition: transform var(--dur) var(--ease);
}
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-answer { padding-bottom: 1.4rem; color: var(--muted); max-width: 60ch; }

/* --------------------------------------------------------------------------
   16. CTA bandi
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(2.75rem, 6vw, 4.5rem);
  background: var(--surface);
  border: 1px solid var(--border-str);
  border-radius: var(--radius-lg);
  text-align: center;
  isolation: isolate;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 100% at 50% 0%, rgba(42, 179, 192, 0.18), transparent 70%);
}
.cta-band h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
.cta-band p { color: var(--muted); margin: 1rem auto 0; max-width: 40rem; }
.cta-band .btn-row { justify-content: center; margin-top: 2rem; }

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  background: rgba(6, 21, 36, 0.72);   /* shader arkada hafif secilir */
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.footer-brand img { max-width: 200px; }
.footer-about { margin-top: 1.25rem; color: var(--muted); font-size: 0.92rem; max-width: 30rem; }

.footer-col h3 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: 1.1rem;
}
.footer-col ul { list-style: none; display: grid; gap: 0.7rem; }
.footer-col a { color: var(--muted); font-size: 0.93rem; }
.footer-col a:hover { color: var(--accent-2); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.87rem;
  color: var(--muted);
}
.social-row { display: flex; gap: 0.6rem; }
.social-btn {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-soft);
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.social-btn svg { width: 19px; height: 19px; }
.social-btn:hover { color: var(--accent-2); border-color: var(--accent); background: var(--accent-dim); }

/* --------------------------------------------------------------------------
   18. Baslik / sayfa basligi
   -------------------------------------------------------------------------- */
.page-head {
  position: relative;
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--border);
  isolation: isolate;
  overflow: hidden;
}
.page-head::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 55% 90% at 85% 0%, rgba(42, 179, 192, 0.16), transparent 65%);
}
.page-head h1 { font-size: clamp(2rem, 5vw, 3.3rem); margin-top: 1rem; }
.page-head p { color: var(--muted); margin-top: 1.2rem; max-width: 44rem; font-size: 1.05rem; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: var(--muted);
}
.breadcrumb svg { width: 14px; height: 14px; opacity: 0.6; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent-2); }

/* --------------------------------------------------------------------------
   19. Proje detay icerigi
   -------------------------------------------------------------------------- */
.prose { max-width: 68ch; }
.prose h2 { font-size: 1.6rem; margin-top: 2.5rem; margin-bottom: 1rem; }
.prose p { color: var(--muted); margin-top: 1rem; }
.prose ul { margin-top: 1rem; color: var(--muted); display: grid; gap: 0.6rem; }
.prose ul li { display: flex; gap: 0.6rem; }
.prose ul svg { width: 16px; height: 16px; margin-top: 6px; color: var(--accent); flex-shrink: 0; }

.notice {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  color: var(--text-soft);
  font-size: 0.93rem;
}
.notice svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--accent-2); margin-top: 2px; }

/* --------------------------------------------------------------------------
   20. Animasyon — gorunur olunca
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

.reveal:nth-child(2) { transition-delay: 70ms; }
.reveal:nth-child(3) { transition-delay: 140ms; }
.reveal:nth-child(4) { transition-delay: 210ms; }
.reveal:nth-child(5) { transition-delay: 280ms; }
.reveal:nth-child(6) { transition-delay: 350ms; }

/* --------------------------------------------------------------------------
   20b. Animasyon seti
   Ilkeler:
     - Yalnizca transform ve opacity animasyonlari (compositor dostu, takilma yok)
     - Tekrar eden donguler yavas (>= 6s) ve duraklatilabilir
     - prefers-reduced-motion altinda tamamen devre disi
   -------------------------------------------------------------------------- */

/* --- Hero: sayfa acilisi ------------------------------------------------ */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scale-in {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}

/* Hero icindeki ogeler sirayla belirir */
.hero-badge { animation: fade-in 700ms var(--ease) 100ms both; }
.hero-title { animation: fade-up 750ms var(--ease) 180ms both; }
.hero-text  { animation: fade-up 750ms var(--ease) 300ms both; }
.btn-row    { animation: fade-up 750ms var(--ease) 420ms both; }
.hero-stats { animation: fade-up 750ms var(--ease) 540ms both; }
.hero-media { animation: scale-in 900ms var(--ease) 240ms both; }
.hero-panel { animation: fade-in 750ms var(--ease) 120ms both; }

/* --- Logo: yavas salinim (donen ama monoton) --------------------------- */
@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
.hero-logo { animation: logo-float 5s ease-in-out infinite; }

/* Hero shader animasyonu WebGL tarafindan yurutulur (hero-warp.js);
   prefers-reduced-motion durumunda hiz 0'a cekilir, CSS animasyonu yoktur. */

/* --- Buton: hafif baski ------------------------------------------------- */
.btn {
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              transform 160ms var(--ease),
              box-shadow 160ms var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary:hover { box-shadow: 0 10px 28px rgba(42, 179, 192, 0.28); }

/* --- Kart: hover'da ikon ve ok canlanir --------------------------------- */
.card-icon { transition: transform var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease); }
.card:hover .card-icon { transform: translateY(-3px) scale(1.06); }

/* --- Proje karti: ikon hafif doner ------------------------------------- */
.project-visual svg {
  transition: transform 420ms var(--ease);
}
.project-card:hover .project-visual svg { transform: scale(1.1) rotate(-4deg); }

/* --- Proje karti etiketi ------------------------------------------------ */
.project-tag { transition: background-color var(--dur) var(--ease); }
.project-card:hover .project-tag { background: rgba(42, 179, 192, 0.22); }

/* --- SSS ikonu doner ---------------------------------------------------- */
.faq-icon { transition: transform var(--dur) var(--ease); }
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-item summary:hover .faq-icon { color: var(--accent-2); }

/* --- Header: scroll ile belirir ----------------------------------------- */
.site-header {
  opacity: 0;
  transform: translateY(-16px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease);
}
.site-header.is-visible { opacity: 1; transform: translateY(0); }

/* --- Dil degistirici: aktif rozet .lang-switch::before ile kayar --------- */

/* --- Scroll ilerleme cubugu --------------------------------------------- */
@keyframes progress-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: calc(var(--z-header) + 1);
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

/* --- Bolum basliklarindaki alt cizgi ----------------------------------- */
@keyframes line-grow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
.section-head .eyebrow::after {
  content: '';
  display: block;
  width: 56px;
  height: 2px;
  margin-top: 0.75rem;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left center;
}
.section-head.is-visible .eyebrow::after { animation: line-grow 700ms var(--ease) 250ms forwards; }

/* --- Surec adimlari: numara vurgulanir ---------------------------------- */
.process-step::before { transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.process-step:hover::before { color: var(--accent-2); transform: translateX(4px); }

/* --- Metin alti cizgi: linklere kayar ---------------------------------- */
.footer-col a { position: relative; }
.footer-col a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}
.footer-col a:hover::after { transform: scaleX(1); }

/* --- Teknoloji chip'leri: kademeli belirir ------------------------------ */
@keyframes chip-in {
  from { opacity: 0; transform: translateY(14px) scale(0.94); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
/* Chip'ler bolum gorunur oluncaya kadar gizli kalir; JS her birine
   animation-delay atar, is-visible ile hepsi kademeli belirir. */
.tech-chip { opacity: 0; }
.tech-band.is-visible .tech-chip {
  animation: chip-in 520ms var(--ease) forwards;
}

/* --- Form alanlari: odakta yumusak yukselis ---------------------------- */
.field { transition: transform var(--dur) var(--ease); }
.field:focus-within { transform: translateY(-2px); }

/* --------------------------------------------------------------------------
   21. Duyarli
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; padding: 1.75rem 1.25rem; }
  .hero-logo { max-width: 300px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid--2 { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem 2rem; }
  .project-body { padding: 1.35rem; }
  .card { padding: 1.6rem; }
  .section-head { margin-bottom: 2.25rem; }
  .hero-text { max-width: none; }
  .contact-item { padding: 1rem 0; }
}

@media (max-width: 480px) {
  .hero-stats { gap: 1.25rem 1.75rem; }
  .stat-num { font-size: 1.4rem; }
  .btn { width: 100%; }
  .btn-row { gap: 0.85rem; }
}

/* --------------------------------------------------------------------------
   22. Coming Soon — tek ekranlik gecis sayfasi (coming-soon.html)
   Arka plan index ile ayni warp shader: #hero-warp bu kez sabit tam ekran
   sahnede (.cs-stage) calisir, icerik ortadaki cam panelde toplanir.
   -------------------------------------------------------------------------- */
.cs-stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  isolation: isolate;
}

/* .hero-shade uzun sayfa icin ayarli; tek ekran icin sade bir perde */
.cs-stage .hero-shade {
  background:
    linear-gradient(rgba(10, 31, 51, 0.38), rgba(10, 31, 51, 0.38)),
    radial-gradient(ellipse 90% 75% at 50% 42%, rgba(6, 21, 36, 0.28), rgba(6, 21, 36, 0.62) 100%);
}

.cs-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(1.5rem, 4vh, 3rem) var(--gutter);
}

/* Ust logo plakasi — header-inner ile ayni cam yuzey dili */
.cs-brand {
  padding: 0.6rem 1.4rem;
  background: linear-gradient(160deg, rgba(18, 48, 77, 0.5), rgba(10, 31, 51, 0.5));
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  border: 1px solid var(--border-str);
  border-radius: 100px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.cs-brand img { height: 42px; width: auto; }

/* Cam panel — hero-panel ile ayni yuzey dili */
.cs-center {
  margin-block: auto;
  width: 100%;
  max-width: 44rem;
  padding: clamp(2.25rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 3.25rem);
  display: grid;
  justify-items: center;
  text-align: center;
  background: linear-gradient(160deg, rgba(18, 48, 77, 0.5), rgba(10, 31, 51, 0.5));
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  border: 1px solid var(--border-str);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.cs-title {
  margin-top: 1.4rem;
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  color: var(--white);
}
.cs-title .accent { color: var(--accent-2); }

.cs-text {
  margin-top: 1.1rem;
  max-width: 34rem;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  color: var(--white-dim);
}

/* Hizmet ozeti: panel icinde ince ayraclı tek satir */
.cs-tags {
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  width: 100%;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  color: var(--white-dim);
}

/* Bize ulasin yanindaki ikon butonlar (WhatsApp / Telefon / Instagram)
   — cam panel uzerinde ghost gorunum, 48px dokunma hedefi */
.cs-actions { align-items: center; }
.cs-social {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--border-str);
  border-radius: 100px;
  color: var(--text);
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.cs-social svg { width: 20px; height: 20px; }
.cs-social:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent-2);
}

/* Durum noktasi nabiz gibi atar — "yakin zamanda" hissi */
@keyframes cs-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(42, 179, 192, 0.22); }
  50%      { box-shadow: 0 0 0 7px rgba(42, 179, 192, 0.08); }
}
.cs-center .badge-dot { animation: cs-pulse 2.4s var(--ease) infinite; }

/* Kademeli giris animasyonu */
@keyframes cs-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cs-in { animation: cs-in 700ms var(--ease) both; }
.cs-d2 { animation-delay: 90ms; }
.cs-d3 { animation-delay: 180ms; }
.cs-d4 { animation-delay: 270ms; }

.cs-footer {
  width: 100%;
  max-width: var(--container);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.87rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .cs-brand img { height: 34px; }
  .cs-footer { justify-content: center; text-align: center; }
  .cs-actions { justify-content: center; }
}

@media print {
  .site-header, .site-footer, .cta-band, .btn { display: none !important; }
  body { background: #fff; color: #000; }
}