:root {
    --clr-bg: #F8F9FA;
    --clr-dark: #1A1F24;
    --clr-accent: #D49A36;
    --clr-glass: rgba(255, 255, 255, 0.4);
    --nav-height: 110px;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: var(--clr-dark);
    background-color: var(--clr-bg);
    background-image: linear-gradient(rgba(26, 31, 36, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(26, 31, 36, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    overflow-x: hidden;
}



/* CAM BALKON CSS BAŞLANGICI*/
/* ========================================== */
/* ALT SAYFALAR (CAM BALKON, PİMAPEN VB.)     */
/* ========================================== */
.subpage-hero {
    padding: calc(var(--nav-height) + 4rem) 4vw 6rem 4vw;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background-color: var(--clr-bg);
    position: relative;
    overflow: hidden;
}

.subpage-hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(214, 154, 54, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.subpage-hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 5rem;
    width: 100%;
    position: relative;
    z-index: 1;
}

.subpage-hero-content {
    flex: 1.2;
    max-width: 650px;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
}

.breadcrumb a {
    color: rgba(26, 31, 36, 0.5);
    text-decoration: none;
    transition: color var(--transition-smooth);
}

.breadcrumb a:hover {
    color: var(--clr-accent);
}

.breadcrumb .separator {
    color: rgba(26, 31, 36, 0.3);
}

.breadcrumb .current {
    color: var(--clr-accent);
}

/* Metinler ve Butonlar */
.subpage-title {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.15;
    color: var(--clr-dark);
    margin: 0 0 1.5rem 0;
    letter-spacing: -1px;
}

.subpage-title span {
    color: var(--clr-accent);
}

.subpage-desc {
    font-size: 1.15rem;
    line-height: 1.8;
    color: rgba(26, 31, 36, 0.7);
    margin-bottom: 2.5rem;
}

.btn-outline {
    background: transparent;
    color: var(--clr-dark);
    border: 2px solid rgba(26, 31, 36, 0.1);
}

.btn-outline:hover {
    border-color: var(--clr-dark);
    background: rgba(26, 31, 36, 0.05);
    transform: translateY(-2px);
}

/* İstatistikler */
.tech-specs-mini {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(26, 31, 36, 0.08);
}

.spec-item-mini {
    display: flex;
    flex-direction: column;
}

.spec-val {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--clr-dark);
}

.spec-label {
    font-size: 0.85rem;
    color: rgba(26, 31, 36, 0.5);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.3rem;
}

/* 3D Görsel ve Blueprint */
.subpage-hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 500px;
}

.blueprint-animation-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.bp-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.bp-active {
    opacity: 1;
    z-index: 2;
}

#blueprint-line-drawing svg {
    width: 100%;
    height: auto;
}

/* SVG Çizim Başlangıç Ayarları (JS tarafından doldurulacak) */
.subpage-svg path,
.subpage-svg rect,
.subpage-svg circle {
    stroke-opacity: 0;
    transition: stroke-opacity 0.2s ease;
    fill: transparent;
}

.bp-glass-fill {
    stroke: none;
    transition: opacity 0.8s ease;
}

.bp-glass-fill-persp {
    stroke: var(--clr-accent);
    stroke-width: 0.5;
    transition: opacity 0.8s ease;
}

/* 3D Görsel Transformları */
.final-3d-rendering {
    transform: perspective(1000px) rotateY(-15deg) scale(0.9);
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 1s ease;
}

.bp-active.final-3d-rendering {
    transform: perspective(1000px) rotateY(0deg) scale(1);
    opacity: 1;
}

.final-3d-rendering img {
    max-width: 90%;
    height: auto;
    filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.1));
}

@media (max-width: 1024px) {
    .subpage-hero-container {
        flex-direction: column;
        text-align: center;
    }

    .subpage-hero-content {
        align-items: center;
        display: flex;
        flex-direction: column;
    }

    .tech-specs-mini {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .subpage-title {
        font-size: 2.3rem;
    }

    .tech-specs-mini {
        gap: 1.5rem;
    }

    .spec-val {
        font-size: 1.4rem;
    }
}

@media (max-width: 1024px) {

    /* Görselin üstte, metnin altta kalmasını sağlayan takla (reverse) kodu */
    .subpage-hero-container {
        flex-direction: column-reverse;
        text-align: center;
    }

    .subpage-hero-content {
        align-items: center;
        display: flex;
        flex-direction: column;
    }

    .tech-specs-mini {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .subpage-title {
        font-size: 2.3rem;
    }

    .tech-specs-mini {
        gap: 1.5rem;
    }

    .spec-val {
        font-size: 1.4rem;
    }

    /* Mobilde görselin kapladığı alanı genişletip rahatlatıyoruz */
    .subpage-hero-visual {
        min-height: 320px;
        width: 100%;
        padding: 0 1rem;
    }
}

/* --- PROBLEM & ÇÖZÜM BÖLÜMÜ (TEKNİK RENDER) --- */
.problem-solution-section {
    padding: 6rem 4vw;
    background-color: transparent;
    overflow: hidden;
}

.ps-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 5rem;
}

/* Görsel Alanı */
.ps-visual {
    flex: 1;
    position: relative;
    max-width: 550px;
}

.ps-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.ps-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ps-reveal-mask {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: var(--clr-dark);
    z-index: 2;
}

/* UI/UX: Dinamik Teknik Etiketler (Hotspots) */
.tech-hotspot {
    position: absolute;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Nabız atan nokta */
.hotspot-dot {
    width: 12px;
    height: 12px;
    background-color: var(--clr-accent);
    border-radius: 50%;
    position: relative;
    cursor: pointer;
    box-shadow: 0 0 0 4px rgba(214, 154, 54, 0.3);
    transition: transform 0.3s ease;
}

.hotspot-dot::after {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    border-radius: 50%;
    border: 1px solid var(--clr-accent);
    animation: pulseHotspot 2s infinite ease-out;
}

@keyframes pulseHotspot {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }

    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

.tech-hotspot:hover .hotspot-dot {
    transform: scale(1.2);
}

/* Açılan Bilgi Kartı */
.hotspot-card {
    position: absolute;
    left: 25px;
    /* Noktanın sağında açılır */
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    width: max-content;
    max-width: 220px;
    background: rgba(11, 14, 17, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.tech-hotspot:hover .hotspot-card {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.hotspot-card strong {
    display: block;
    color: var(--clr-accent);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.3rem;
}

.hotspot-card span {
    display: block;
    color: #fff;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* İçerik Alanı */
.ps-content {
    flex: 1;
    max-width: 550px;
}

.ps-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.ps-features li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 1.05rem;
    color: rgba(26, 31, 36, 0.7);
    line-height: 1.5;
}

.ps-features li strong {
    color: var(--clr-dark);
}

.ps-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(214, 154, 54, 0.1);
    color: var(--clr-accent);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 2px;
}

.ps-icon svg {
    width: 14px;
    height: 14px;
}

@media (max-width: 1024px) {
    .ps-container {
        flex-direction: column;
        gap: 4rem;
        text-align: center;
    }

    .ps-features li {
        text-align: left;
    }

    .ps-visual {
        width: 100%;
        max-width: 600px;
    }

    /* Mobilde etiketleri gizleyip görseli temiz bırakalım, çünkü hover mobilde zordur */
    .tech-hotspot {
        display: none;
    }
}

/* Açılan Bilgi Kartı */
.hotspot-card {
    position: absolute;
    left: 25px;
    /* Varsayılan olarak sağa açılır */
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    width: max-content;
    max-width: 220px;
    background: rgba(11, 14, 17, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 10;
}

/* Sola Doğru Açılma Mantığı (Sağ köşeye yakın olanlar için) */
.tech-hotspot.open-left .hotspot-card {
    left: auto;
    right: 25px;
    transform: translateY(-50%) translateX(-10px);
}

/* Hover (Masaüstü) veya Active (Mobil JS tetiklemesi) durumunda açılma */
.tech-hotspot:hover .hotspot-card,
.tech-hotspot.active .hotspot-card {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.hotspot-card strong {
    display: block;
    color: var(--clr-accent);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.3rem;
}

.hotspot-card span {
    display: block;
    color: #fff;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Mobilde etiketleri gizleyen kodu SİLDİK, boyutlarını telefona uygun yaptık */
@media (max-width: 768px) {
    .hotspot-card {
        max-width: 150px;
        padding: 0.8rem;
    }

    .hotspot-card strong {
        font-size: 0.75rem;
        line-height: 1.2;
        margin-bottom: 0.4rem;
    }

    .hotspot-card span {
        font-size: 0.8rem;
        line-height: 1.3;
    }

    /* Mobilde noktayı biraz daha küçük tutalım ki görseli boğmasın */
    .hotspot-dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 1024px) {
    .ps-container {
        flex-direction: column;
        gap: 4rem;
        text-align: center;
    }

    .ps-features li {
        text-align: left;
    }

    .ps-visual {
        width: 100%;
        max-width: 600px;
    }

    /* ESKİ HALİ: .tech-hotspot { display: none; } */
    /* YENİ HALİ (Bunu Yapıştır): */
    .tech-hotspot {
        display: flex;
    }
}

/* --- 2. BÖLÜM: İNTERAKTİF ÖZELLEŞTİRME VE RENKLER --- */
.customization-section {
    padding: 6rem 4vw;
    background: #fff;
    /* Temiz, aydınlık bir zemin */
    overflow: hidden;
    position: relative;
    border-top: 1px solid rgba(26, 31, 36, 0.05);
}

.custom-header {
    text-align: center;
    margin-bottom: 4rem;
}

.custom-showcase {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

/* Sol ve Sağ Kontrol Panelleri */
.color-controls {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 2;
}

.profile-controls {
    align-items: flex-end;
}

.glass-controls {
    align-items: flex-start;
}

.color-controls h3 {
    font-size: 1.1rem;
    color: var(--clr-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
}

.color-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 250px;
}

.color-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    background: var(--clr-bg);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
}

.color-btn:hover {
    background: #fff;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
}

.color-btn.active {
    border-color: var(--clr-accent);
    background: #fff;
    box-shadow: 0 15px 30px rgba(214, 154, 54, 0.15);
    transform: translateY(-3px);
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: block;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.color-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--clr-dark);
    font-family: inherit;
}

/* Merkez: Canlı SVG Önizleme Alanı */
.showcase-visual {
    flex: 1.5;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #F8F9FA;
    border-radius: 50%;
    /* Dairesel şık bir stant hissi */
    aspect-ratio: 1 / 1;
    padding: 3rem;
    box-shadow: inset 0 10px 30px rgba(0, 0, 0, 0.03), 0 20px 40px rgba(0, 0, 0, 0.05);
    z-index: 1;
}

.showcase-glow {
    position: absolute;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(214, 154, 54, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

/* İNTERAKTİF DEĞİŞKENLER VE ANİMASYONLAR */
:root {
    --preview-profile: #2A2D34;
    /* Varsayılan: Antrasit */
    --preview-glass: rgba(200, 220, 235, 0.2);
    /* Varsayılan: Şeffaf */
}

.interactive-balcony-svg {
    width: 100%;
    max-width: 400px;
    filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.1));
    z-index: 1;
}

/* Renk Geçişleri Pürüzsüz Olacak */
.svg-profile {
    fill: var(--preview-profile);
    transition: fill 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.svg-glass {
    fill: var(--preview-glass);
    stroke: rgba(255, 255, 255, 0.2);
    stroke-width: 1;
    transition: fill 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 1024px) {
    .custom-showcase {
        flex-direction: column;
        gap: 4rem;
    }

    .profile-controls,
    .glass-controls {
        align-items: center;
        width: 100%;
    }

    .color-options {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        max-width: 100%;
    }

    .color-btn {
        width: auto;
        flex-direction: column;
        padding: 1rem;
        gap: 0.8rem;
    }

    .showcase-visual {
        order: -1;
        width: 100%;
        max-width: 500px;
        aspect-ratio: auto;
        border-radius: 20px;
        padding: 2rem;
    }
}

/* --- 3. BÖLÜM: ALT SAYFA SSS (İZOLE VE GARANTİLİ TASARIM) --- */
.cb-faq-section {
    padding: 6rem 4vw;
    background: #F8F9FA;
    border-top: 1px solid rgba(26, 31, 36, 0.05);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-header {
    margin-bottom: 3rem;
    text-align: center;
}

.sub-faq-item {
    background: #fff;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.02);
    overflow: hidden;
}

.sub-faq-question {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    padding: 1.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--clr-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: inherit;
}

.sub-faq-icon {
    font-size: 1.5rem;
    color: var(--clr-accent);
    transition: transform 0.3s ease;
}

.sub-faq-answer {
    max-height: 0;
    /* JS bu değeri açacak */
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sub-faq-content {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: rgba(26, 31, 36, 0.7);
    line-height: 1.6;
}

.sub-faq-item.active .sub-faq-question {
    color: var(--clr-accent);
}

.sub-faq-item.active .sub-faq-icon {
    transform: rotate(45deg);
    /* Artı işareti Çarpı olur */
}

/* --- 4. BÖLÜM: ALT SAYFA SEO & FİNAL CTA --- */
.cb-seo-cta-section {
    padding: 5rem 4vw 8rem;
    background: #fff;
}

.seo-cta-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

/* Şık SEO Sütunları */
.seo-content-box {
    display: flex;
    gap: 3rem;
    color: rgba(26, 31, 36, 0.7);
    line-height: 1.8;
}

.seo-column {
    flex: 1;
}

.seo-column h3 {
    font-size: 1.2rem;
    color: var(--clr-dark);
    margin-top: 0;
    margin-bottom: 1rem;
}

.seo-column strong {
    color: var(--clr-dark);
    font-weight: 600;
}

/* Final Harekete Geçirici Kutu (CTA) */
.final-cta-box {
    background: linear-gradient(135deg, var(--clr-dark), #1a1e23);
    border-radius: 16px;
    padding: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    box-shadow: 0 20px 40px rgba(11, 14, 17, 0.15);
    position: relative;
    overflow: hidden;
}

/* Kutu içi hafif parlama efekti */
.final-cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(214, 154, 54, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.cta-text {
    flex: 1;
    z-index: 1;
}

.cta-text h2 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-text p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

.cta-action {
    z-index: 1;
    flex-shrink: 0;
}

.btn-pulse {
    animation: softPulse 2s infinite;
}

@keyframes softPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(214, 154, 54, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(214, 154, 54, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(214, 154, 54, 0);
    }
}

@media (max-width: 900px) {
    .seo-content-box {
        flex-direction: column;
        gap: 2rem;
    }

    .final-cta-box {
        flex-direction: column;
        text-align: center;
        padding: 3rem 2rem;
    }
}

/* --- YENİ BÖLÜM: GENİŞLEYEN GALERİ --- */
.cb-gallery-section {
    padding: 6rem 4vw;
    background: #fff;
    overflow: hidden;
}

.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-header {
    margin-bottom: 3rem;
}

.gallery-action {
    margin-top: 4rem;
}

/* Galeri Taşıyıcı */
.expanding-gallery {
    display: flex;
    width: 100%;
    height: 500px;
    /* Galerinin toplam yüksekliği */
    gap: 15px;
    /* Paneller arası boşluk */
}

/* Tekil Paneller */
.gallery-panel {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 20px;
    cursor: pointer;
    flex: 1;
    /* Varsayılan olarak hepsi eşit dar sütun */
    filter: grayscale(100%);
    /* Başlangıçta siyah-beyaz */
    transition: flex 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.6s ease;
    overflow: hidden;
}

/* Alt kısımdaki yazılar okunabilsin diye siyah degrade perde */
.gallery-panel::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0;
    transition: opacity 0.6s ease;
}

/* Yazı İçeriği */
.panel-content {
    position: absolute;
    bottom: 30px;
    left: 30px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s 0.2s ease;
    white-space: nowrap;
    /* Metnin aşağı taşmasını engeller */
}

.panel-content h3 {
    font-size: 1.5rem;
    color: #fff;
    margin: 0 0 5px 0;
}

.panel-content span {
    font-size: 0.95rem;
    color: var(--clr-accent);
    font-weight: 500;
}

/* --- MASAÜSTÜ (HOVER EFEKTİ) --- */
@media (min-width: 769px) {
    .gallery-panel:hover {
        flex: 6;
        /* Üzerine gelince 6 kat genişler */
        filter: grayscale(0%);
        /* Renklenir */
    }

    .gallery-panel:hover::before {
        opacity: 1;
    }

    .gallery-panel:hover .panel-content {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- MOBİL (TIKLAMA İLE DİKEY AKORDİYON) --- */
@media (max-width: 768px) {
    .expanding-gallery {
        flex-direction: column;
        /* Mobilde alt alta sıralanır */
        height: 600px;
    }

    .gallery-panel {
        border-radius: 12px;
    }

    /* Mobilde hover çalışmayacağı için JS'in atayacağı .active sınıfını kullanıyoruz */
    .gallery-panel.active {
        flex: 5;
        filter: grayscale(0%);
    }

    .gallery-panel.active::before {
        opacity: 1;
    }

    .gallery-panel.active .panel-content {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- ÇEVRE DOSTU (BEYAZ KONSEPT) --- */
.cb-eco-section {
    --clr-eco-main: #059669;
    /* Lüks ve doygun Zümrüt Yeşili */
    --clr-eco-light: #E6F8F1;
    /* Çok uçuk ferah nane yeşili arka plan */
    padding: 6rem 4vw;
    background: #ffffff;
    /* Sitenin beyaz yapısına tam uyum */
    position: relative;
    border-top: 1px solid rgba(0, 0, 0, 0.03);
    /* Üstteki bölümle soft ayrım */
}

.eco-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.eco-header .section-subtitle {
    color: var(--clr-eco-main);
    font-weight: 600;
    letter-spacing: 2px;
}

.eco-header .section-title {
    color: var(--clr-dark);
    margin-top: 0.5rem;
}

.eco-dot {
    width: 8px;
    height: 8px;
    background: var(--clr-eco-main);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(5, 150, 105, 0.4);
}

/* Kutu Izgarası */
.eco-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

/* Ferah Kart Tasarımı */
.eco-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    /* Çok çok hafif gri gölge */
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, box-shadow;
}

/* Kartın Üzerine Gelince Yeşeren Şık Gölge */
.eco-card:hover {
    transform: translateY(-10px);
    border-color: rgba(5, 150, 105, 0.15);
    box-shadow: 0 20px 40px rgba(5, 150, 105, 0.08);
    /* Zümrüt yeşili soft parlama */
}

/* İkon Çerçevesi */
.eco-icon-wrapper {
    width: 75px;
    height: 75px;
    margin: 0 auto 1.5rem;
    background: var(--clr-eco-light);
    /* Uçuk yeşil arka plan */
    color: var(--clr-eco-main);
    /* Koyu yeşil ikon */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Dönüş Efekti Yapan Kesik Çizgi */
.eco-icon-wrapper::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border: 1.5px dashed rgba(5, 150, 105, 0.3);
    border-radius: 50%;
    animation: rotateSlow 15s linear infinite;
}

@keyframes rotateSlow {
    100% {
        transform: rotate(360deg);
    }
}

/* Metinler */
.eco-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--clr-dark);
    font-weight: 700;
}

.eco-card p {
    color: rgba(26, 31, 36, 0.7);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* --- STICKY BAR TASARIM DÜZELTMESİ --- */
.next-bar-content {
    display: flex;
    flex-direction: column;
    /* Alt alta dizer */
    align-items: flex-start;
    gap: 4px;
    /* İki metin arası boşluk */
}

.next-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
    color: var(--clr-white);
}

.next-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--clr-accent);
}

/* Örnek CSS */
.svg-profile {
    fill: var(--preview-profile, #2A2D34);
    transition: fill 0.3s ease;
}

.svg-glass {
    fill: var(--preview-glass, rgba(200, 220, 235, 0.2));
    transition: fill 0.3s ease;
}