/* ==========================================================================
   NEXUVIA — Ortak stil dosyası
   Tüm sayfalar (index, hizmet sayfaları, hakkimizda, iletisim) bunu kullanır.
   ========================================================================== */

:root {
  /* --- Renk kimliği: karanlık tema + elektrik mavisi --- */
  --bg: #080808;
  --bg-2: #0D0D0D;
  --bg-3: #131313;
  --bg-card: rgba(255, 255, 255, 0.032);
  --bg-float: rgba(16, 18, 22, 0.97);

  --text: #F0F0F0;
  --text-secondary: #A0AFBE;
  --text-dim: #5A6675;

  --accent: #4b8eff;
  --accent-bright: #adc6ff;
  --accent-deep: #007aff;

  --border: rgba(255, 255, 255, 0.07);
  --border-bright: rgba(75, 142, 255, 0.28);
  --glow: rgba(0, 122, 255, 0.12);
  --glow-strong: rgba(0, 122, 255, 0.22);

  --wa: #25D366;
  --wa-deep: #1ebe5b;

  /* --- Katmanlı, mavi tonlu gölgeler (düz shadow-md yok) --- */
  --shadow-raised:
    0 1px 2px rgba(0, 0, 0, 0.30),
    0 4px 12px rgba(0, 0, 0, 0.22),
    0 0 0 1px rgba(75, 142, 255, 0.04);
  --shadow-float:
    0 2px 4px rgba(0, 0, 0, 0.28),
    0 10px 28px rgba(0, 0, 0, 0.34),
    0 20px 56px rgba(0, 20, 60, 0.30),
    0 0 32px var(--glow);
  --shadow-lift:
    0 4px 10px rgba(0, 0, 0, 0.26),
    0 16px 48px rgba(0, 0, 0, 0.35),
    0 0 28px var(--glow);

  /* --- Boşluk ölçeği (rastgele değil, tutarlı) --- */
  --space-2xs: 0.375rem;
  --space-xs: 0.75rem;
  --space-sm: 1.25rem;
  --space-md: 2rem;
  --space-lg: 3.25rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  /* --- Geçiş eğrileri (yumuşak / spring) --- */
  --ease-spring: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; scroll-padding-top: 5rem; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: #0a0a0a; }
::-webkit-scrollbar-thumb { background: #1f3a5f; border-radius: 2px; }
::selection { background: rgba(75, 142, 255, 0.22); color: #fff; }

/* ---- Fontlar: başlık ve gövde ayrı aileler ---- */
.font-bebas  { font-family: 'Bebas Neue', sans-serif; }
.font-barlow { font-family: 'Barlow Condensed', sans-serif; }

/* Gövde metni ferah satır yüksekliği */
p { line-height: 1.8; }

/* ---- Krom / vurgu metin ---- */
.text-chrome {
  background: linear-gradient(135deg, #E2E8F0 0%, #94A3B8 40%, #ffffff 55%, #8fb4ff 80%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-glow {
  background: linear-gradient(90deg, #007aff, #adc6ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Bölüm etiketi ---- */
.section-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-bright);
}

/* ==========================================================================
   ODAK DURUMU — istisnasız her tıklanabilir öğe için
   ========================================================================== */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
details:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
summary::-webkit-details-marker { display: none; }

/* ==========================================================================
   ARKA PLAN EFEKTLERİ
   ========================================================================== */
@keyframes orb-1 { 0%,100%{transform:translate(0,0) scale(1);} 33%{transform:translate(60px,-40px) scale(1.08);} 66%{transform:translate(-30px,50px) scale(0.95);} }
@keyframes orb-2 { 0%,100%{transform:translate(0,0) scale(1);} 40%{transform:translate(-70px,30px) scale(1.1);} 70%{transform:translate(40px,-60px) scale(0.92);} }
@keyframes orb-3 { 0%,100%{transform:translate(0,0) scale(1);} 25%{transform:translate(50px,70px) scale(1.05);} 75%{transform:translate(-60px,-30px) scale(0.97);} }
.orb { position: absolute; border-radius: 9999px; filter: blur(100px); pointer-events: none; }
.orb-1 { animation: orb-1 18s ease-in-out infinite; }
.orb-2 { animation: orb-2 24s ease-in-out infinite; }
.orb-3 { animation: orb-3 20s ease-in-out infinite; }

/* Grain / noise dokusu — derinlik için */
.noise::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-repeat: repeat; background-size: 128px 128px;
  pointer-events: none; z-index: 1; mix-blend-mode: overlay;
}

.grid-overlay {
  background-image:
    linear-gradient(rgba(75, 142, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 142, 255, 0.045) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* Katmanlı radyal gradyan — tek düz gradyan yerine */
.depth-wash {
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 122, 255, 0.10), transparent 70%),
    radial-gradient(ellipse 60% 50% at 15% 100%, rgba(112, 0, 255, 0.06), transparent 70%),
    radial-gradient(ellipse 50% 50% at 90% 30%, rgba(75, 142, 255, 0.05), transparent 70%);
}

@keyframes scan { 0%{top:-2px;opacity:0;} 5%{opacity:1;} 95%{opacity:0.6;} 100%{top:100%;opacity:0;} }
.scan-line {
  position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(75,142,255,0.5), transparent);
  animation: scan 8s linear infinite; pointer-events: none;
}

.hr-corvell { border: none; height: 1px; background: linear-gradient(90deg, transparent, var(--border-bright), transparent); }

/* ==========================================================================
   YÜZEYLER — temel → yükseltilmiş → yüzen
   .card-corvell : bilgi kartı, TIKLANAMAZ (kalkmaz, imleç değişmez)
   .card-link    : tıklanabilir kart (kalkar, parlar, imleç işaretçi olur)
   ========================================================================== */
.card-corvell {
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-raised);
  position: relative;
  overflow: hidden;
}
.card-corvell::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top left, var(--glow), transparent 60%);
  opacity: 0;
  transition: opacity .4s var(--ease-out);
  pointer-events: none;
}

/* Tıklanabilir kart */
.card-link {
  display: flex;
  cursor: pointer;
  text-decoration: none;
  border-color: var(--border);
  transition: transform .45s var(--ease-spring), box-shadow .45s var(--ease-out), border-color .3s var(--ease-out);
}
.card-link:hover,
.card-link:focus-visible {
  transform: translateY(-4px);
  border-color: var(--border-bright);
  box-shadow: var(--shadow-lift);
}
.card-link:hover::before,
.card-link:focus-visible::before { opacity: 1; }
.card-link:active {
  transform: translateY(-1px);
  transition-duration: .1s;
}
.card-link .card-arrow {
  transition: transform .4s var(--ease-spring), opacity .3s var(--ease-out);
  opacity: .55;
}
.card-link:hover .card-arrow,
.card-link:focus-visible .card-arrow { transform: translateX(5px); opacity: 1; }

/* Öne çıkan kart (otomasyon) */
.card-featured { border-color: var(--border-bright); }

@media (prefers-reduced-motion: reduce) {
  .card-link:hover, .card-link:focus-visible, .card-link:active { transform: none; }
}

/* ==========================================================================
   BUTONLAR
   ========================================================================== */
.btn-corvell {
  position: relative; display: inline-flex; align-items: center; gap: .5rem;
  padding: .8rem 2rem; border: 1px solid var(--border-bright);
  color: var(--accent-bright);
  font-family: 'Barlow Condensed', sans-serif; font-size: .82rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  cursor: pointer; background: transparent; overflow: hidden; text-decoration: none;
  transition: transform .35s var(--ease-spring), box-shadow .3s var(--ease-out), border-color .3s var(--ease-out), color .3s var(--ease-out);
}
.btn-corvell::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(75,142,255,0.18), transparent);
  transform: translateX(-100%);
  transition: transform .45s var(--ease-spring);
}
.btn-corvell:hover,
.btn-corvell:focus-visible { border-color: var(--accent); color: #fff; box-shadow: 0 0 22px var(--glow-strong); }
.btn-corvell:hover::before,
.btn-corvell:focus-visible::before { transform: translateX(0); }
.btn-corvell:active { transform: translateY(1px) scale(0.985); transition-duration: .1s; }
.btn-corvell svg { transition: transform .35s var(--ease-spring); flex-shrink: 0; }
.btn-corvell:hover svg, .btn-corvell:focus-visible svg { transform: translateX(5px); }

.btn-solid {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2.2rem; background: var(--accent-deep); color: #fff;
  font-family: 'Barlow Condensed', sans-serif; font-size: .82rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; cursor: pointer; text-decoration: none;
  border: 1px solid transparent;
  transition: transform .35s var(--ease-spring), box-shadow .3s var(--ease-out), background-color .3s var(--ease-out);
}
.btn-solid:hover, .btn-solid:focus-visible { background: #005bc1; box-shadow: 0 0 26px var(--glow-strong); }
.btn-solid:active { transform: translateY(1px) scale(0.985); transition-duration: .1s; }

.btn-whatsapp {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 2.2rem; background: var(--wa); color: #062a13;
  font-family: 'Barlow Condensed', sans-serif; font-size: .82rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; cursor: pointer; text-decoration: none;
  border: 1px solid transparent;
  transition: transform .35s var(--ease-spring), box-shadow .3s var(--ease-out), background-color .3s var(--ease-out);
}
.btn-whatsapp:hover, .btn-whatsapp:focus-visible { background: var(--wa-deep); box-shadow: 0 0 26px rgba(37, 211, 102, 0.35); }
.btn-whatsapp:active { transform: translateY(1px) scale(0.985); transition-duration: .1s; }
.btn-whatsapp svg { flex-shrink: 0; }

.btn-whatsapp-outline {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 2.2rem; background: transparent; color: var(--wa);
  font-family: 'Barlow Condensed', sans-serif; font-size: .82rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; cursor: pointer; text-decoration: none;
  border: 1px solid rgba(37, 211, 102, 0.45);
  transition: transform .35s var(--ease-spring), box-shadow .3s var(--ease-out), border-color .3s var(--ease-out), color .3s var(--ease-out);
}
.btn-whatsapp-outline:hover, .btn-whatsapp-outline:focus-visible { border-color: var(--wa); color: #fff; box-shadow: 0 0 22px rgba(37, 211, 102, 0.3); }
.btn-whatsapp-outline:active { transform: translateY(1px) scale(0.985); transition-duration: .1s; }
.btn-whatsapp-outline svg { flex-shrink: 0; }

@media (prefers-reduced-motion: reduce) {
  .btn-corvell:active, .btn-solid:active, .btn-whatsapp:active, .btn-whatsapp-outline:active { transform: none; }
}

/* ==========================================================================
   HEADER / NAVİGASYON
   ========================================================================== */
#site-header {
  transition: background-color .4s var(--ease-out), border-color .4s var(--ease-out), backdrop-filter .4s var(--ease-out);
}

.nav-link {
  position: relative;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.74rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-secondary); text-decoration: none;
  padding: 0.35rem 0;
  transition: color .25s var(--ease-out);
}
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease-spring);
}
.nav-link:hover, .nav-link:focus-visible { color: #fff; }
.nav-link:hover::after, .nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link:active { color: var(--accent-bright); }
.nav-link.is-active { color: #fff; }
.nav-link.is-active::after { transform: scaleX(1); background: var(--accent-bright); }

/* --- Açılır menü (Hizmetler) --- */
.nav-drop { position: relative; }
.nav-drop-panel {
  position: absolute; top: 100%; left: 50%;
  margin-top: 0.9rem;
  min-width: 17rem;
  padding: 0.5rem;
  background: var(--bg-float);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(20px);
  opacity: 0;
  transform: translate(-50%, -8px);
  pointer-events: none;
  transition: opacity .28s var(--ease-out), transform .35s var(--ease-spring);
}
/* Menü ile tetikleyici arasındaki boşlukta imleç kaybolmasın */
.nav-drop-panel::before {
  content: ''; position: absolute; left: 0; right: 0; top: -0.9rem; height: 0.9rem;
}
.nav-drop:hover .nav-drop-panel,
.nav-drop:focus-within .nav-drop-panel {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}
.nav-drop-item {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.9rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-secondary); text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .25s var(--ease-out), background-color .25s var(--ease-out), border-color .25s var(--ease-out);
}
.nav-drop-item:hover, .nav-drop-item:focus-visible {
  color: #fff;
  background: rgba(75, 142, 255, 0.08);
  border-left-color: var(--accent);
}
.nav-drop-item:active { background: rgba(75, 142, 255, 0.16); }
.nav-drop-item.is-active { color: var(--accent-bright); border-left-color: var(--accent-bright); }
.nav-drop-item span:last-child { color: var(--accent-bright); opacity: 0; transition: opacity .25s var(--ease-out), transform .35s var(--ease-spring); transform: translateX(-4px); }
.nav-drop-item:hover span:last-child, .nav-drop-item:focus-visible span:last-child { opacity: 1; transform: translateX(0); }

/* --- Hamburger --- */
#burger span {
  transition: transform .35s var(--ease-spring), opacity .25s var(--ease-out), width .35s var(--ease-spring);
}
#burger:hover span { background: var(--accent-bright); }
#burger:active { transform: scale(0.92); }

/* --- Mobil menü --- */
.mobile-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.25rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-secondary); text-decoration: none;
  transition: color .25s var(--ease-out), transform .3s var(--ease-spring);
}
.mobile-link:hover, .mobile-link:focus-visible { color: #fff; }
.mobile-link:active { color: var(--accent-bright); transform: translateX(3px); }
.mobile-link.is-active { color: var(--accent-bright); }

.mobile-sublink {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-dim); text-decoration: none;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out), transform .3s var(--ease-spring);
}
.mobile-sublink:hover, .mobile-sublink:focus-visible { color: #fff; border-left-color: var(--accent); }
.mobile-sublink:active { transform: translateX(3px); }
.mobile-sublink.is-active { color: var(--accent-bright); border-left-color: var(--accent-bright); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer-link {
  display: inline-block;
  font-weight: 300; font-size: 0.875rem;
  color: var(--text-secondary); text-decoration: none;
  transition: color .25s var(--ease-out), transform .3s var(--ease-spring);
}
.footer-link:hover, .footer-link:focus-visible { color: var(--accent-bright); transform: translateX(3px); }
.footer-link:active { color: #fff; }

/* ==========================================================================
   SSS (details/summary)
   ========================================================================== */
.faq-summary {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 1.5rem;
  cursor: pointer; list-style: none;
  transition: background-color .25s var(--ease-out);
}
.faq-summary:hover, .faq-summary:focus-visible { background: rgba(75, 142, 255, 0.05); }
.faq-summary:active { background: rgba(75, 142, 255, 0.10); }
.faq-summary .faq-icon {
  color: var(--accent-bright); font-size: 1.5rem; line-height: 1; flex-shrink: 0;
  transition: transform .4s var(--ease-spring);
}
details[open] .faq-summary .faq-icon { transform: rotate(45deg); }

/* Hero altındaki hizmet şeridi (tıklanabilir) */
.hero-svc {
  display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
  padding: 0.5rem 0.25rem;
  text-decoration: none;
  border-top: 1px solid transparent;
  transition: transform .35s var(--ease-spring), border-color .3s var(--ease-out);
}
.hero-svc .hero-svc-num {
  font-family: 'Bebas Neue', sans-serif; font-size: 1.25rem;
  color: var(--accent-bright);
  transition: opacity .25s var(--ease-out);
}
.hero-svc .hero-svc-label { transition: color .25s var(--ease-out); }
.hero-svc:hover, .hero-svc:focus-visible { transform: translateY(-3px); border-top-color: var(--accent); }
.hero-svc:hover .hero-svc-label, .hero-svc:focus-visible .hero-svc-label { color: #fff; }
.hero-svc:active { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .hero-svc:hover, .hero-svc:focus-visible, .hero-svc:active { transform: none; }
}

/* ==========================================================================
   SAYFA İÇİ ORTAK BLOKLAR
   ========================================================================== */
.page-hero {
  position: relative;
  display: flex; flex-direction: column; justify-content: center;
  min-height: 74vh;
  padding: 9rem 1.5rem var(--space-xl);
  overflow: hidden;
}
@media (min-width: 1024px) { .page-hero { padding-left: 3rem; padding-right: 3rem; } }

/* ==========================================================================
   HERO ARKA PLAN GÖRSELİ
   .hero-media        : görsel katmanı (orb'ların ve içeriğin altında kalır)
   .hero-media--center: ortalanmış hero (ana sayfa) için vinyet ağırlıklı katman
   ::after            : metin okunabilirliği için koyu lacivert overlay
   Görsel esnek yükseklikli — sabit px yok, kapsayıcıyı object-fit ile doldurur.
   ========================================================================== */
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Sola ağırlıklı katman — hizmet/iç sayfalarda metin solda hizalı */
.hero-media::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg,
      rgba(8, 8, 8, 0.95) 0%,
      rgba(9, 12, 22, 0.89) 38%,
      rgba(10, 14, 28, 0.66) 68%,
      rgba(10, 14, 28, 0.50) 100%),
    linear-gradient(to bottom,
      rgba(8, 8, 8, 0.82) 0%,
      rgba(8, 8, 8, 0.32) 45%,
      rgba(8, 8, 8, 0.90) 100%);
}

/* Ortalanmış hero — merkezdeki başlık için vinyet */
.hero-media--center::after {
  background:
    radial-gradient(ellipse 68% 58% at 50% 50%,
      rgba(8, 8, 8, 0.88) 0%,
      rgba(8, 10, 18, 0.74) 48%,
      rgba(8, 8, 8, 0.56) 100%),
    linear-gradient(to bottom,
      rgba(8, 8, 8, 0.90) 0%,
      rgba(8, 8, 8, 0.44) 40%,
      rgba(8, 8, 8, 0.94) 100%);
}

/* Mobilde metin tüm genişliğe yayılır: yatay ağırlık yerine düz güçlü katman */
@media (max-width: 767px) {
  .hero-media::after {
    background:
      linear-gradient(to bottom,
        rgba(8, 8, 8, 0.92) 0%,
        rgba(9, 12, 22, 0.82) 45%,
        rgba(8, 8, 8, 0.95) 100%);
  }
  .hero-media--center::after {
    background:
      radial-gradient(ellipse 95% 60% at 50% 50%,
        rgba(8, 8, 8, 0.86) 0%,
        rgba(8, 10, 18, 0.80) 60%,
        rgba(8, 8, 8, 0.74) 100%),
      linear-gradient(to bottom,
        rgba(8, 8, 8, 0.92) 0%,
        rgba(8, 8, 8, 0.62) 40%,
        rgba(8, 8, 8, 0.95) 100%);
  }
}

.step-row {
  display: flex; gap: 1.5rem; align-items: flex-start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.step-row:last-child { border-bottom: none; }
.step-num { font-family: 'Bebas Neue', sans-serif; font-size: 3rem; line-height: 1; flex-shrink: 0; }

/* ==========================================================================
   KAYDIRMA İLE BELİRME
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .9s var(--ease-spring), transform .9s var(--ease-spring);
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}