/* CSS Variables */
:root {
    --primary: #1F4B7F;
    --accent: #16A34A;
    --text: #0F172A;
    --muted: #334155;
    --line: #E2E8F0;
    --bg: #F8FAFC;
    --white: #FFFFFF;
    
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --border-radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --header-height: 80px;
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
    margin-bottom: 1rem;
    color: var(--muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 44px; /* Accessibility */
}

.btn--primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn--primary:hover,
.btn--primary:focus {
    background-color: #1a3f6b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--accent {
    background-color: var(--accent);
    color: var(--white);
}

.btn--accent:hover,
.btn--accent:focus {
    background-color: #15803d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn--outline:hover,
.btn--outline:focus {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    height: var(--header-height);
}

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

.nav__brand h2 {
    color: var(--primary);
    margin-bottom: 0;
    font-size: 1.5rem;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-bottom: 0;
}

.nav__link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav__link:hover,
.nav__link:focus {
    color: var(--primary);
    border-bottom-color: var(--accent);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav__toggle span {
    width: 24px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section__title {
    text-align: center;
    color: var(--primary);
    margin-bottom: 3rem;
    position: relative;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg) 0%, var(--white) 100%);
    padding: calc(var(--header-height) + 3rem) 0 5rem;
    text-align: center;
}

.hero__content {
    max-width: 600px;
    margin: 0 auto;
}

.hero__title {
    color: var(--primary);
    margin-bottom: 1rem;
}

.hero__subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--muted);
}

.hero__cta {
    margin-bottom: 3rem;
}

.hero__stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat__text {
    font-size: 0.9rem;
    color: var(--muted);
}

/* Campaigns Slider */
.campaigns {
    background-color: var(--bg);
}

.slider {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.slider input[type="radio"] {
    display: none;
}

.slider__wrapper {
    overflow: hidden;
    border-radius: var(--border-radius);
}

.slider__container {
    display: flex;
    transition: transform 0.5s ease-in-out;
    gap: 1rem;
    padding: 1rem;
}

.campaign__card {
    min-width: calc(100% - 2rem);
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    flex-shrink: 0;
}

.campaign__image {
    margin-bottom: 1.5rem;
}

.campaign__tag {
    display: inline-block;
    background-color: var(--accent);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.campaign__title {
    color: var(--primary);
    margin-bottom: 1rem;
}

.campaign__description {
    margin-bottom: 1.5rem;
    color: var(--muted);
}

/* Slider Navigation */
.slider__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 2;
}

.slider__arrow {
    background-color: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary);
    margin: 0 1rem;
}

.slider__arrow:hover,
.slider__arrow:focus {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.slider__dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.slider__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--line);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider__dot:hover,
.slider__dot:focus {
    background-color: var(--muted);
    transform: scale(1.2);
}

/* Slider States */
#slide1:checked ~ .slider__wrapper .slider__container {
    transform: translateX(0);
}

#slide2:checked ~ .slider__wrapper .slider__container {
    transform: translateX(-100%);
}

#slide3:checked ~ .slider__wrapper .slider__container {
    transform: translateX(-200%);
}

#slide1:checked ~ .slider__dots .slider__dot:nth-child(1),
#slide2:checked ~ .slider__dots .slider__dot:nth-child(2),
#slide3:checked ~ .slider__dots .slider__dot:nth-child(3) {
    background-color: var(--primary);
}

#slide1:checked ~ .slider__nav .slider__arrow--prev {
    opacity: 0.5;
    pointer-events: none;
}

#slide3:checked ~ .slider__nav .slider__arrow--next {
    opacity: 0.5;
    pointer-events: none;
}

/* Vehicles Section */
.vehicles__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.vehicle__card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all 0.3s ease;
}

.vehicle__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.vehicle__image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg);
}

.vehicle__image svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vehicle__content {
    padding: 1.5rem;
}

.vehicle__title {
    color: var(--primary);
    margin-bottom: 1rem;
}

.vehicle__specs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.spec {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.spec svg {
    color: var(--accent);
    flex-shrink: 0;
}

/* About Section */
.about {
    background-color: var(--bg);
}

.about__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about__text {
    margin-bottom: 3rem;
}

.about__text p {
    font-size: 1.1rem;
    line-height: 1.7;
}

.trust__features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.trust__item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.trust__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.trust__icon {
    width: 60px;
    height: 60px;
    background-color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--white);
}

.trust__item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.trust__item p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Contact Section */
.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact__card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact__card h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact__item:last-child {
    margin-bottom: 0;
}

.contact__item svg {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.contact__item div {
    flex: 1;
}

.contact__item span:first-child {
    display: block;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.contact__item a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact__item a:hover,
.contact__item a:focus {
    color: var(--accent);
    text-decoration: underline;
}

.contact__map {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.contact__map iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* Footer */
.footer {
    background-color: var(--text);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer__section h3,
.footer__section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer__section p {
    color: #94a3b8;
    line-height: 1.6;
}

.footer__section ul {
    list-style: none;
}

.footer__section ul li {
    margin-bottom: 0.5rem;
}

.footer__section a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__section a:hover,
.footer__section a:focus {
    color: var(--accent);
}

.footer__contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer__contact a,
.footer__contact span {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__contact a:hover,
.footer__contact:focus {
    color: var(--accent);
}

.footer__bottom {
    border-top: 1px solid #334155;
    padding-top: 1rem;
    text-align: center;
}

.footer__bottom p {
    color: #64748b;
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --header-height: 70px;
    }

    .nav__menu {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    .hero {
        padding: calc(var(--header-height) + 2rem) 0 3rem;
    }

    .hero__stats {
        gap: 2rem;
    }

    .slider__container {
        padding: 0.5rem;
    }

    .campaign__card {
        min-width: calc(100% - 1rem);
        padding: 1.5rem;
    }

    .slider__arrow {
        width: 35px;
        height: 35px;
        font-size: 1rem;
        margin: 0 0.5rem;
    }

    .vehicles__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .trust__features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .trust__item {
        padding: 1.5rem;
    }

    .contact__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact__card {
        padding: 1.5rem;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    section {
        padding: 3rem 0;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .slider__container {
        gap: 0.5rem;
    }

    .campaign__card {
        min-width: calc(50% - 0.75rem);
    }

    #slide2:checked ~ .slider__wrapper .slider__container {
        transform: translateX(-50%);
    }

    #slide3:checked ~ .slider__wrapper .slider__container {
        transform: translateX(-100%);
    }
}

@media (min-width: 1024px) {
    .campaign__card {
        min-width: calc(33.333% - 0.67rem);
    }

    #slide2:checked ~ .slider__wrapper .slider__container {
        transform: translateX(-33.333%);
    }

    #slide3:checked ~ .slider__wrapper .slider__container {
        transform: translateX(-66.666%);
    }
}

/* Accessibility & Focus States */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

*:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 0 0 1px currentColor;
        --shadow-lg: 0 0 0 2px currentColor;
    }
}

/* Print styles */
@media print {
    .header,
    .slider__nav,
    .slider__dots,
    .btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        padding: 2rem 0;
    }
}

/* === NAV: tam ortalama + logo/menü arası boşluk === */
.header .nav {
  display: flex;
  align-items: center;     /* dikeyde ortala */
  justify-content: center; /* LOGO+MENÜ grubunu yatayda ortala */
  column-gap: 1.75rem;     /* logo ile menü arasında biraz boşluk */
}

/* Logo hizalama ve boyut */
.nav__brand {
  display: flex;
  align-items: center;     /* menü ile aynı hizada */
}

.nav__brand a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo {
  display: block;
  height: 58px;                                /* istersen 60px yapabilirsin */
  max-height: calc(var(--header-height) - 20px);
  width: auto;
  max-width: 240px;
  object-fit: contain;
}

/* Menü görünümü (masaüstü) */
.nav__menu {
  display: flex;
  gap: 2rem;                /* menü öğeleri arası boşluk */
  margin-left: 0;           /* önceki kuralları nötrle */
}

/* Toggle masaüstünde gizli kalsın (merkezi bozmaması için) */
.nav__toggle { display: none; }

/* Mobil ayarlar */
@media (max-width: 768px) {
  .header .nav {
    justify-content: space-between; /* mobilde klasik düzen */
    column-gap: .75rem;
  }
  .logo { height: 46px; max-width: 200px; }
  .nav__menu { display: none; }
  .nav__toggle { display: flex; margin-left: auto; }
}

/* ===================================================================== */
/* ======================= HERO SLIDER (tam ekran) ===================== */
/* ===================================================================== */

/* Hero’nun slider versiyonu: mevcut .hero’ya dokunmamak için modifier kullandık */
.hero.hero--slider {
  padding: 0;                          /* klasik hero paddingini kaldır */
  background: none;                    /* arka planı slider görseli kaplayacak */
  margin-top: var(--header-height);    /* fixed header’ın altında başlasın */
}

/* Swiper alanı gerçekten tam ekran görünsün (header düşülerek) */
.hero--slider .hero-slider,
.hero--slider .swiper-wrapper,
.hero--slider .swiper-slide {
  width: 100%;
  height: calc(100vh - var(--header-height));
  position: relative;
}

/* IMG ile tam ekran arka plan */
.hero--slider .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;    /* bozulmadan doldur */
  z-index: 0;
}

/* Okunabilirlik için hafif koyu katman (opsiyonel) */
.hero--slider .hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.25);
  z-index: 1;
}

/* İçerik hizalama ve üstte kalma */
.hero--slider .hero__inner {
  height: 100%;
  display: flex;
  align-items: center;    /* dikeyde ortala */
  position: relative;
  z-index: 2;
}

.hero--slider .hero__content {
  color: #fff;
  max-width: 720px;
  text-align: left;       /* istersen center yapabilirsin */
  padding: 0 1rem;
}

.hero--slider .hero__title {
  color: #fff;
  font-size: clamp(28px, 5vw, 56px);
  line-height: 1.08;
  margin-bottom: 12px;
}

.hero--slider .hero__subtitle {
  color: #e5e7eb;
  font-size: clamp(16px, 2.2vw, 20px);
  margin-bottom: 20px;
}

/* Swiper ok ve pagination üstte kalsın */
.hero--slider .swiper-button-prev,
.hero--slider .swiper-button-next,
.hero--slider .swiper-pagination {
  z-index: 3;
}

/* Küçük ekran uyumu */
@media (max-width: 768px) {
  .hero.hero--slider { margin-top: var(--header-height); }
  .hero--slider .hero__content { max-width: 100%; }
}

/* Yüksek kontrast isteklerinde overlay’i hafiflet */
@media (prefers-contrast: more) {
  .hero--slider .hero__overlay { background: rgba(0,0,0,.15); }
}
/* ==================== HERO SLIDER: responsive (contain) ==================== */
/* Amaç: Görsel kırpılmadan her ekrana uyum; yükseklik cihaz boyuna göre clamp. */
/* Bu blok, önceki hero--slider kurallarını override eder.                     */

.hero.hero--slider {
  padding: 0;
  background: none;
  margin-top: var(--header-height);
}

/* Slider yüksekliğini: min 340px, tipik 65-70vh, max 720px aralığına sıkıştır */
.hero--slider .hero-slider,
.hero--slider .swiper-wrapper,
.hero--slider .swiper-slide {
  width: 100%;
  height: clamp(340px, 68vh, 720px);
  position: relative;
  background: #eef2f6; /* boş kenarlarda hoş bir arka plan */
  border-radius: 0;
}

/* IMG: kırpma yok → contain. Görsel merkezde, boşluklar eşit. */
.hero--slider .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;      /* ÖNEMLİ: croplama yok */
  object-position: center;  /* merkezde kalsın */
  z-index: 0;
  background: #eef2f6;      /* görselin dışındaki alanla uyumlu */
}

/* Üstte hafif overlay istersen kalabilir; okunabilirliği artırır. */
.hero--slider .hero__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.15);
  z-index: 1;
}

/* İçerik: görselin üzerinde; sol hizalı veya istersen center yapabilirsin */
.hero--slider .hero__inner {
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero--slider .hero__content {
  color: #0b1220;
  max-width: 780px;
  text-align: left;     /* istersen center */
  padding: 0 1rem;
  /* küçük ekranlarda yazı görseli taşmasın */
  backdrop-filter: blur(0px);
}

.hero--slider .hero__title {
  color: var(--primary);
  font-size: clamp(24px, 5vw, 56px);
  line-height: 1.1;
  margin-bottom: 12px;
}

.hero--slider .hero__subtitle {
  color: var(--muted);
  font-size: clamp(14px, 2.2vw, 20px);
  margin-bottom: 20px;
}

/* Swiper kontrolleri üstte kalsın */
.hero--slider .swiper-button-prev,
.hero--slider .swiper-button-next,
.hero--slider .swiper-pagination { z-index: 3; }

/* Okların ekrana göre konumu */
.hero--slider .swiper-button-prev,
.hero--slider .swiper-button-next {
  top: 50%;
  transform: translateY(-50%);
}

/* Mobil uyarlamalar */
@media (max-width: 768px) {
  .hero.hero--slider { margin-top: var(--header-height); }
  .hero--slider .hero-slider,
  .hero--slider .swiper-wrapper,
  .hero--slider .swiper-slide {
    height: clamp(300px, 58vh, 560px);
  }
  .hero--slider .hero__content { max-width: 100%; }
  .hero--slider .hero__overlay { background: rgba(0,0,0,.10); }
}

/* Büyük ekranlarda çok dev olmaması için üst sınır */
@media (min-width: 1400px) {
  .hero--slider .hero-slider,
  .hero--slider .swiper-wrapper,
  .hero--slider .swiper-slide {
    height: 720px; /* sabit üst limit */
  }
}
/* Slider arka planını beyaz yap */
.hero--slider .hero-slider,
.hero--slider .swiper-wrapper,
.hero--slider .swiper-slide {
  background: #ffffff; /* beyaz */
}

/* Görsel kırpılmadan ortalanır */
.hero--slider .hero-bg {
  object-fit: contain;     /* kırpma yok */
  object-position: center; /* ortada kalsın */
  background: #ffffff;     /* görselin dışındaki alan da beyaz */
}
/* ===== Campaigns slider: JS'siz akıcı döngü NAV ===== */

/* Hizalama sorunlarını sabitle (sadece campaigns slider için) */
.campaigns .slider__wrapper { overflow: hidden; }
.campaigns .slider__container { gap: 0 !important; padding: 0 !important; }
.campaigns .campaign__card { min-width: 100% !important; }

/* Varsayılan: tüm oklar gizli */
.slider__nav .slider__arrow { display: none; }

/* slide1 aktifken görünmesi gereken oklar (1←3, 1→2) */
#slide1:checked ~ .slider__nav .prev-1,
#slide1:checked ~ .slider__nav .next-1 { display: flex; }

/* slide2 aktifken (2←1, 2→3) */
#slide2:checked ~ .slider__nav .prev-2,
#slide2:checked ~ .slider__nav .next-2 { display: flex; }

/* slide3 aktifken (3←2, 3→1) */
#slide3:checked ~ .slider__nav .prev-3,
#slide3:checked ~ .slider__nav .next-3 { display: flex; }

/* Daha önce uçlarda devre dışı bırakan kuralların etkisini kaldır */
#slide1:checked ~ .slider__nav .slider__arrow--prev,
#slide3:checked ~ .slider__nav .slider__arrow--next {
  opacity: 1 !important;
  pointer-events: all !important;
}