/* =====================================================
   KOD16 - Karsu Gel-Al | Ana Stil Dosyası
   Design system: Navy / Deep Ocean + Ice White + Turquoise
   Premium kurumsal dil — 0-4px köşe, ince çerçeveler,
   geniş beyaz alan, geometrik sans-serif tipografi.
   ===================================================== */

/* ================= DESIGN TOKENS ================= */
:root {
  /* Ana renkler — Kurumsal mavi + su teması */
  --color-bg:            #ffffff;
  --color-surface:       #f6f9fc;     /* ice white */
  --color-surface-2:     #eef3f8;
  --color-text:          #0f1a2e;     /* deep ink */
  --color-text-muted:    #4b5b72;
  --color-text-subtle:   #7a8aa0;
  --color-border:        #dfe7f0;     /* ince çerçeve */
  --color-border-strong: #c4d2e2;

  /* Marka renkleri */
  --color-primary:       #003A8C;     /* Navy — ana kurumsal */
  --color-primary-600:   #002A68;
  --color-primary-700:   #001E4F;
  --color-primary-50:    #e6edf7;

  --color-accent:        #00B8D9;     /* Turkuaz — tekil CTA vurgu */
  --color-accent-600:    #0095AD;

  --color-success:       #1f7a4a;
  --color-warning:       #b27400;
  --color-danger:        #b42318;

  /* Tipografi */
  --font-sans: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Inter', 'Montserrat', 'Helvetica Neue', sans-serif;

  /* Ölçekler (8pt grid) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Köşe — KOD16: 0-4px */
  --radius-xs: 2px;
  --radius-sm: 3px;
  --radius-md: 4px;

  /* Geçişler */
  --transition: 180ms ease;

  /* Tipografi ölçeği */
  --fs-xs:   0.8125rem;   /* 13 */
  --fs-sm:   0.9375rem;   /* 15 */
  --fs-base: 1rem;        /* 16 */
  --fs-lg:   1.125rem;    /* 18 */
  --fs-xl:   1.375rem;    /* 22 */
  --fs-2xl:  1.75rem;     /* 28 */
  --fs-3xl:  2.25rem;     /* 36 */
  --fs-4xl:  2.75rem;     /* 44 */

  /* Konteyner */
  --container: 1200px;

  /* Hero swiper (mevcut sistem) */
  --hero-bg: var(--color-primary-700);
  --nav-size: 40px;
  --nav-size-sm: 36px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-primary-600); }

/* ================= TİPOGRAFİ (Premium hiyerarşi) ================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  margin: 0 0 var(--space-4);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 4.5vw, var(--fs-4xl));
  letter-spacing: -0.02em;
  font-weight: 800;
}
h2 {
  font-size: clamp(1.6rem, 3vw, var(--fs-3xl));
  letter-spacing: -0.015em;
}
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-base); }

p { margin: 0 0 var(--space-4); color: var(--color-text-muted); }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;         /* %2-3 premium vurgu */
  color: var(--color-accent-600);
  margin-bottom: var(--space-3);
}

.section-title {
  letter-spacing: 0.02em;
  margin-bottom: var(--space-5);
}

.lead {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  max-width: 68ch;
}

/* ================= KONTEYNER / SAYFA ================= */
.container-app {
  width: 100%;
  max-width: var(--container);
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  margin-left: auto;
  margin-right: auto;
}

.section {
  padding: var(--space-8) 0;
}
.section-sm { padding: var(--space-7) 0; }
.section-lg { padding: var(--space-9) 0; }

/* ================= BUTONLAR (keskin, minimalist) ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.4rem;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Primary: kurumsal lacivert, hover'da daha koyu (gölge yok) */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover,
.btn-primary:focus { background: var(--color-primary-600); border-color: var(--color-primary-600); color: #fff; }

/* Accent: yalnız CTA için — turkuaz vurgu */
.btn-accent {
  background: var(--color-accent);
  color: #00253b;
  border-color: var(--color-accent);
}
.btn-accent:hover { background: var(--color-accent-600); border-color: var(--color-accent-600); color: #fff; }

/* Outline: ince çerçeveli */
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border-strong);
}
.btn-outline:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--color-surface); color: var(--color-primary); }

.btn-lg { padding: 0.95rem 1.8rem; font-size: var(--fs-base); }
.btn-sm { padding: 0.5rem 0.9rem; font-size: var(--fs-xs); }
.btn-block { width: 100%; }

/* ================= KARTLAR (keskin, 1px border, gölgesiz) ================= */
.card-k {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--transition), background-color var(--transition);
}
.card-k:hover {
  border-color: var(--color-border-strong);
}

.card-k--feature {
  padding: var(--space-6);
}

.card-k .card-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  font-size: 1.25rem;
}

.card-k h3, .card-k h4 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
}
.card-k p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-bottom: 0;
}

/* Grid yardımcı */
.grid {
  display: grid;
  gap: var(--space-5);
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 991px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 575px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ================= NAVBAR (modern, premium) ================= */
.navbar-custom {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-600) 100%) !important;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
  transition: padding 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, backdrop-filter 0.25s ease;
  -webkit-backdrop-filter: saturate(140%);
  backdrop-filter: saturate(140%);
}
/* Sayfa kaydırıldığında daha kompakt ve cam efektli */
.navbar-custom.is-scrolled {
  padding-top: 0.4rem;
  padding-bottom: 0.4rem;
  background: rgba(0, 29, 78, 0.82) !important;
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  box-shadow: 0 4px 18px rgba(0,0,0,0.18);
}

.navbar-custom .navbar-brand {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  transition: transform 0.25s ease;
}
.navbar-custom .navbar-brand img {
  height: 42px;
  width: auto;
  transition: height 0.25s ease;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15));
}
.navbar-custom.is-scrolled .navbar-brand img { height: 34px; }
.navbar-custom .navbar-brand:hover { transform: translateY(-1px); }

/* Menü linkleri — animasyonlu alt çizgi */
.navbar-custom .nav-link {
  color: rgba(255,255,255,0.82) !important;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.55rem 1.05rem !important;
  position: relative;
  border-bottom: 0;
  transition: color 0.2s ease;
  border-radius: 0;
}
.navbar-custom .nav-link::after {
  content: "";
  position: absolute;
  left: 1.05rem; right: 1.05rem; bottom: 0.35rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s cubic-bezier(.2,.7,.2,1);
}
.navbar-custom .nav-link:hover { color: #fff !important; }
.navbar-custom .nav-link:hover::after { transform: scaleX(1); }
.navbar-custom .nav-link.active {
  color: #fff !important;
  font-weight: 600;
}
.navbar-custom .nav-link.active::after { transform: scaleX(1); }

/* Dropdown caret: daha zarif */
.navbar-custom .dropdown-toggle::after {
  border: 0;
  content: "\F282";                /* bi-chevron-down */
  font-family: "bootstrap-icons";
  vertical-align: middle;
  margin-left: 0.35rem;
  font-size: 0.75rem;
  opacity: 0.75;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.navbar-custom .nav-item.show .dropdown-toggle::after,
.navbar-custom .dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
  opacity: 1;
}

/* Mobil toggler — daha ince, daha okunur */
.navbar-custom .navbar-toggler {
  border: 1px solid rgba(255,255,255,0.18);
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.navbar-custom .navbar-toggler:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.32);
}
.navbar-custom .navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(0, 184, 217, 0.35);
  outline: none;
}

/* Desktop dropdown — keskin, modern kart */
@media (min-width: 992px) {
  .navbar-custom .dropdown-menu {
    background: rgba(0, 29, 78, 0.96);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0;
    margin-top: 0.55rem;
    min-width: 240px;
    box-shadow: 0 16px 40px -10px rgba(0,0,0,0.35), 0 2px 6px rgba(0,0,0,0.18);
    animation: navDropIn 0.22s cubic-bezier(.2,.7,.2,1);
  }
  .navbar-custom .dropdown-item {
    color: rgba(255,255,255,0.88);
    padding: 0.65rem 1.1rem;
    font-size: var(--fs-sm);
    border-left: 2px solid transparent;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, padding 0.18s ease;
  }
  .navbar-custom .dropdown-item:hover,
  .navbar-custom .dropdown-item:focus {
    background: rgba(0, 184, 217, 0.12);
    color: #fff;
    border-left-color: var(--color-accent);
    padding-left: 1.25rem;
  }
  .navbar-custom .dropdown-item.active {
    background: rgba(0, 184, 217, 0.18);
    color: #fff;
    border-left-color: var(--color-accent);
  }
}

@keyframes navDropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Mobil menü: cam panel */
@media (max-width: 991.98px) {
  .navbar-custom .navbar-collapse {
    margin-top: 0.65rem;
    padding: 0.5rem 0.25rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-sm);
  }
  .navbar-custom .nav-link {
    padding: 0.7rem 1rem !important;
    border-radius: var(--radius-sm);
  }
  .navbar-custom .nav-link::after { display: none; }
  .navbar-custom .nav-link.active {
    background: rgba(0, 184, 217, 0.14);
    color: #fff !important;
    box-shadow: inset 3px 0 0 var(--color-accent);
  }
  .navbar-custom .dropdown-menu {
    background: rgba(255,255,255,0.04);
    border: 0;
    border-radius: var(--radius-sm);
    margin-top: 0.25rem;
  }
  .navbar-custom .dropdown-item {
    color: rgba(255,255,255,0.85);
    padding: 0.6rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  .navbar-custom .dropdown-item:last-child { border-bottom: 0; }
  .navbar-custom .dropdown-item.active {
    background: rgba(0, 184, 217, 0.14);
    color: #fff;
  }
}

/* ================= HERO SWIPER (gelişmiş — overlay, metin, butonlar) ================= */
.hero-swiper {
  --aspect-desktop: 1920 / 640;
  --aspect-mobile:  4 / 5;
  --hero-pad-x: clamp(1.25rem, 5vw, 4.5rem);
  --hero-pad-y: clamp(1.25rem, 5vh, 3.5rem);
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  aspect-ratio: var(--aspect-desktop);
  background: transparent;
  border-radius: 0;
  overflow: hidden;
  position: relative;
  display: block;
}
@media (max-width: 767.98px) {
  .hero-swiper { aspect-ratio: var(--aspect-mobile); }
}

.hero-swiper .swiper-wrapper,
.hero-swiper .swiper-slide { width: 100%; height: 100%; }

/* --- Slayt: görsel + overlay + içerik katmanları --- */
.hero-slide {
  position: relative;
  user-select: none;
  -webkit-user-drag: none;
  overflow: hidden;
}
.hero-picture { position: absolute; inset: 0; display: block; }
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  background: transparent;
  transition: transform 7s ease-out;
  will-change: transform;
}
/* Zoom efekti: aktif slayt yavaşça büyür */
.hero-slide.fx-zoom .hero-img { transform: scale(1.08); }
.hero-slide.fx-zoom.is-active .hero-img { transform: scale(1.16); }

/* Overlay — metin okunabilirliği için */
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
              rgba(0, 18, 48, calc(var(--overlay-alpha, 0.25) * 0.6)) 0%,
              rgba(0, 18, 48, var(--overlay-alpha, 0.25)) 100%);
  pointer-events: none;
  z-index: 1;
}

/* --- İçerik katmanı --- */
.hero-content {
  position: absolute; inset: 0;
  display: flex;
  padding: var(--hero-pad-y) var(--hero-pad-x);
  z-index: 2;
  pointer-events: none; /* butonlar kendi yeniden aktif eder */
}
.hero-content-inner {
  pointer-events: auto;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: clamp(.6rem, 1.2vw, 1rem);
}

/* 9-yönlü konumlandırma */
.hero-slide.pos-top-left       .hero-content { align-items: flex-start; justify-content: flex-start; text-align: left; }
.hero-slide.pos-top-center     .hero-content { align-items: center;     justify-content: flex-start; text-align: center; }
.hero-slide.pos-top-right      .hero-content { align-items: flex-end;   justify-content: flex-start; text-align: right; }
.hero-slide.pos-middle-left    .hero-content { align-items: flex-start; justify-content: center;     text-align: left; }
.hero-slide.pos-middle-center  .hero-content { align-items: center;     justify-content: center;     text-align: center; }
.hero-slide.pos-middle-right   .hero-content { align-items: flex-end;   justify-content: center;     text-align: right; }
.hero-slide.pos-bottom-left    .hero-content { align-items: flex-start; justify-content: flex-end;   text-align: left; }
.hero-slide.pos-bottom-center  .hero-content { align-items: center;     justify-content: flex-end;   text-align: center; }
.hero-slide.pos-bottom-right   .hero-content { align-items: flex-end;   justify-content: flex-end;   text-align: right; }

/* Metin rengi */
.hero-slide.text-light .hero-eyebrow,
.hero-slide.text-light .hero-title,
.hero-slide.text-light .hero-desc {
  color: #fff;
  /* Overlay kaldırıldı — light text'i okunabilir tutmak için güçlendirilmiş gölge */
  text-shadow:
    0 1px 2px rgba(0,0,0,0.45),
    0 2px 6px rgba(0,0,0,0.35),
    0 4px 20px rgba(0,0,0,0.30);
}
.hero-slide.text-dark  .hero-eyebrow { color: var(--color-primary); }
.hero-slide.text-dark  .hero-title   { color: #0b1530; text-shadow: none; }
.hero-slide.text-dark  .hero-desc    { color: #1f2a44; text-shadow: none; }

/* Tipografi */
.hero-eyebrow {
  display: inline-block;
  font-size: clamp(.72rem, 0.9vw, .82rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: .35rem .7rem;
  border: 1px solid currentColor;
  border-radius: 2px;
  opacity: .95;
}
.hero-slide.text-light .hero-eyebrow {
  background: rgba(0, 184, 217, 0.18);
  border-color: rgba(255,255,255,0.35);
}
.hero-slide.text-dark  .hero-eyebrow {
  background: rgba(0, 58, 140, 0.08);
  border-color: rgba(0, 58, 140, 0.25);
}

.hero-title {
  margin: 0;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  font-size: clamp(1.75rem, 4.2vw, 3.4rem);
}
.hero-desc {
  margin: 0;
  font-size: clamp(.95rem, 1.2vw, 1.15rem);
  line-height: 1.55;
  max-width: 52ch;
  opacity: .94;
}

/* CTA Butonları */
.hero-ctas { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: .35rem; pointer-events: auto; }
.hero-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .78rem 1.35rem;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
  border: 1.5px solid transparent;
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
  cursor: pointer;
  line-height: 1;
}
.hero-btn i { font-size: 1.05em; transition: transform 0.22s ease; }
.hero-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(0,0,0,0.35); }
.hero-btn:hover i { transform: translateX(3px); }

.hero-btn-primary        { background: var(--color-primary);    color: #fff; border-color: var(--color-primary); }
.hero-btn-primary:hover  { background: var(--color-primary-600); color: #fff; border-color: var(--color-primary-600); }
.hero-btn-accent         { background: var(--color-accent);     color: #0b1530; border-color: var(--color-accent); }
.hero-btn-accent:hover   { background: var(--color-accent-600); color: #fff;    border-color: var(--color-accent-600); }
.hero-btn-light          { background: #fff;                    color: var(--color-primary); border-color: #fff; }
.hero-btn-light:hover    { background: #f1f5fb;                 color: var(--color-primary); }
.hero-btn-outline-light  { background: transparent;             color: #fff; border-color: rgba(255,255,255,0.85); }
.hero-btn-outline-light:hover  { background: rgba(255,255,255,0.12); color: #fff; border-color: #fff; }
.hero-btn-outline-accent { background: transparent;             color: var(--color-accent); border-color: var(--color-accent); }
.hero-btn-outline-accent:hover { background: rgba(0,184,217,0.12); color: var(--color-accent-600); border-color: var(--color-accent-600); }

/* --- Giriş animasyonları (aktif slayt) --- */
.hero-content-inner > * { opacity: 0; transform: translateY(18px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.hero-slide.is-active .hero-content-inner > * { opacity: 1; transform: translateY(0); }
.hero-slide.is-active .hero-content-inner > *:nth-child(1) { transition-delay: 0.12s; }
.hero-slide.is-active .hero-content-inner > *:nth-child(2) { transition-delay: 0.28s; }
.hero-slide.is-active .hero-content-inner > *:nth-child(3) { transition-delay: 0.44s; }
.hero-slide.is-active .hero-content-inner > *:nth-child(4) { transition-delay: 0.60s; }

/* Efekt varyasyonları — giriş yönü */
.hero-slide.fx-slide .hero-content-inner > *  { transform: translateX(-30px); }
.hero-slide.fx-slide.pos-top-right  .hero-content-inner > *,
.hero-slide.fx-slide.pos-middle-right .hero-content-inner > *,
.hero-slide.fx-slide.pos-bottom-right .hero-content-inner > * { transform: translateX(30px); }
.hero-slide.fx-slide.is-active .hero-content-inner > * { transform: translateX(0); }
.hero-slide.fx-none .hero-content-inner > * { opacity: 1; transform: none; transition: none; }

/* --- Pagination --- */
.hero-swiper .swiper-pagination { z-index: 5; bottom: 18px !important; }
.hero-swiper .swiper-pagination-bullet {
  background: #fff; opacity: 0.55;
  width: 10px; height: 10px;
  border-radius: 0;
  margin: 0 4px !important;
  transition: opacity .2s ease, transform .2s ease, background .2s ease;
}
.hero-swiper .swiper-pagination-bullet-active {
  opacity: 1; background: var(--color-accent);
  transform: scale(1.15);
}

/* --- Özel prev/next butonlar --- */
.hero-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 50%;
  z-index: 4;
  cursor: pointer;
  opacity: 0;
  transition: opacity .25s ease, background .25s ease, transform .2s ease;
}
.hero-nav i { font-size: 1.35rem; }
.hero-prev { left: clamp(.75rem, 2vw, 1.5rem); }
.hero-next { right: clamp(.75rem, 2vw, 1.5rem); }
.hero-swiper:hover .hero-nav,
.hero-nav:focus-visible { opacity: 1; outline: none; }
.hero-nav:hover { background: rgba(255,255,255,0.22); transform: translateY(-50%) scale(1.06); }
@media (max-width: 576px) {
  .hero-nav { width: 40px; height: 40px; opacity: 0.8; }
  .hero-nav i { font-size: 1.1rem; }
}

/* Mobilde metin/buton sıkışmasını engelle */
@media (max-width: 576px) {
  .hero-content { padding: 1.25rem 1.1rem 3rem; }
  .hero-content-inner { max-width: 100%; gap: .55rem; }
  .hero-title { font-size: clamp(1.5rem, 8vw, 2.2rem); }
  .hero-desc  { font-size: .95rem; }
  .hero-btn   { padding: .65rem 1.05rem; font-size: .88rem; }
  .hero-eyebrow { font-size: .66rem; letter-spacing: 0.14em; }
}

/* ================= SECTION BANNERS / HERO BLOCKS ================= */
.page-banner {
  background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary) 100%);
  color: #fff;
  padding: var(--space-8) 0 var(--space-7);
  border-bottom: 4px solid var(--color-accent);
}
.page-banner h1 {
  color: #fff;
  letter-spacing: 0.01em;
}
.page-banner p {
  color: rgba(255,255,255,0.88);
  max-width: 60ch;
  font-size: var(--fs-lg);
}
.page-banner .breadcrumb a { color: rgba(255,255,255,0.75); }
.page-banner .breadcrumb .current { color: #fff; font-weight: 600; }

/* ================= FORMLAR ================= */
.form-control,
.form-select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: var(--fs-sm);
  color: var(--color-text);
  background-color: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-50);
}
.form-label {
  font-weight: 600;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  display: inline-block;
}

/* ================= BADGE ================= */
.badge-k {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-surface);
  color: var(--color-text-muted);
}
.badge-primary {
  background: var(--color-primary-50);
  border-color: var(--color-primary-50);
  color: var(--color-primary);
}
.badge-accent {
  background: rgba(0,184,217,0.1);
  border-color: rgba(0,184,217,0.3);
  color: var(--color-accent-600);
}

/* ================= TABLO ================= */
.table-k {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: var(--fs-sm);
}
.table-k th, .table-k td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.table-k th {
  background: var(--color-surface);
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.table-k tbody tr:last-child td { border-bottom: 0; }
.table-k tbody tr:hover td { background: var(--color-surface); }

/* ================= FOOTER ================= */
footer.footer {
  background: var(--color-primary-700);
  color: rgba(255,255,255,0.82);
  padding: var(--space-8) 0 var(--space-4);
  margin-top: 0; /* Üst bölümle arasında beyaz boşluk kalmasın, kesintisiz geçsin */
  border-top: 0;  /* Aksan çizgisi yerine pürüzsüz birleşim */
}
footer.footer h4 {
  color: #fff;
  font-size: var(--fs-base);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}
footer.footer p, footer.footer span, footer.footer a {
  color: rgba(255,255,255,0.78);
  font-size: var(--fs-sm);
  line-height: 1.7;
}
footer.footer a:hover { color: var(--color-accent); }

footer.footer .footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
footer.footer .footer-links li {
  padding: 4px 0;
}
footer.footer .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
}
footer.footer .contact-item i {
  color: var(--color-accent);
  margin-top: 3px;
  flex-shrink: 0;
}
footer.footer .social-links {
  display: flex;
  gap: 10px;
  margin-top: var(--space-3);
}
footer.footer .social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1.05rem;
  transition: background-color var(--transition), border-color var(--transition);
}
footer.footer .social-links a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #00253b;
}
footer.footer .copyright {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
}

/* ---- KOD16 Tasarım & Yazılım imzası ---- */
footer.footer .footer-credits {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
footer.footer .footer-credits-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
footer.footer .footer-credits-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
footer.footer .footer-credits-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}
footer.footer .footer-credits-link i {
  color: var(--color-accent);
  font-size: 14px;
  transition: color var(--transition);
}
footer.footer .footer-credits-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #00253b;
  transform: translateY(-1px);
}
footer.footer .footer-credits-link:hover i {
  color: #00253b;
}
@media (max-width: 575.98px) {
  footer.footer .footer-credits-inner { gap: 8px; }
  footer.footer .footer-credits-link { padding: 7px 12px; font-size: 12px; }
}

/* ================= UTILITY ================= */
.text-primary-k { color: var(--color-primary) !important; }
.text-accent    { color: var(--color-accent-600) !important; }
.text-muted-k   { color: var(--color-text-muted) !important; }
.bg-surface     { background: var(--color-surface) !important; }
.bg-primary-k   { background: var(--color-primary) !important; color: #fff; }
.bg-ocean {
  background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary) 100%);
  color: #fff;
}
.border-k { border: 1px solid var(--color-border); }
.radius-md { border-radius: var(--radius-md); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Skip link (erişilebilirlik) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 10000;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print */
@media print {
  .navbar, footer, .btn, .page-banner { display: none !important; }
  body { color: #000; background: #fff; }
}