/* ==========================================================================
   1. GENEL TEMEL DEĞİŞKENLER VE SIFIRLAMA
   ========================================================================== */
:root {
    --bg-dark-main: #0B1220;
    --bg-dark-slate: #111827;
    --color-white: #FFFFFF;
    --color-accent: #E63946;
    --color-accent-hover: #d62839;
    --color-light-tint: #F1F5F9;
    --color-grey-text: #94A3B8;
    --color-dark-text: #0F172A;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-primary: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark-main);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

ul {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 90px 0;
}

.bg-dark-main {
    background-color: var(--bg-dark-main);
}

.bg-dark-slate {
    background-color: var(--bg-dark-slate);
}

/* ==========================================================================
   2. TİPOGRAFİ VE BUTONLAR
   ========================================================================== */
.section-header {
    margin-bottom: 50px;
}

.text-center {
    text-align: center;
}

.section-subtitle {
    display: inline-block;
    color: var(--color-accent);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--color-grey-text);
    font-size: 1.05rem;
    max-width: 650px;
    margin: 0 auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(230, 57, 70, 0.3);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background-color: #20ba5a;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--color-white);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

/* ==========================================================================
   3. NAVBAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
    background: rgba(11, 18, 32, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(11, 18, 32, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--color-white);
}

.brand-subtitle {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 1px;
}

.nav-list {
    display: flex;
    gap: 28px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-grey-text);
    position: relative;
    padding: 4px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-call-header {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: var(--radius-md);
}

.btn-call-header:hover {
    background-color: var(--color-accent-hover);
}

.hamburger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-fast);
}

/* ==========================================================================
   4. HERO SEKSİYONU
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 130px;
    padding-bottom: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(11, 18, 32, 0.82) 0%, rgba(11, 18, 32, 0.95) 100%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    width: fit-content;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: 50%;
}

.hero-subheading {
    display: block;
    color: var(--color-accent);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    max-width: 800px;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-grey-text);
    max-width: 680px;
    margin-bottom: 36px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-trust-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}

.trust-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: rgba(17, 24, 39, 0.6);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(8px);
}

.trust-icon {
    background: rgba(230, 57, 70, 0.12);
    color: var(--color-accent);
    padding: 10px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-text h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.trust-text p {
    font-size: 0.85rem;
    color: var(--color-grey-text);
}

/* ==========================================================================
   5. HİZMETLER SEKSİYONU
   ========================================================================== */
.category-heading {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    color: var(--color-white);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.category-heading svg {
    color: var(--color-accent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-dark-main);
    border: 1px solid var(--border-color);
    padding: 28px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(230, 57, 70, 0.4);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.service-desc {
    color: var(--color-grey-text);
    font-size: 0.92rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-cta {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
}

.service-cta:hover {
    color: var(--color-white);
}

/* ==========================================================================
   6. BANYO YENİLEME
   ========================================================================== */
.turnkey-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.turnkey-img-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.turnkey-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(11, 18, 32, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 16px;
}

.badge-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.badge-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-white);
}

.turnkey-desc {
    color: var(--color-grey-text);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.turnkey-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 36px;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-dark-slate);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.step-num {
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-accent);
    background: rgba(230, 57, 70, 0.1);
    padding: 6px 10px;
    border-radius: 4px;
}

.step-info h5 {
    font-size: 0.95rem;
    font-weight: 700;
}

.step-info p {
    font-size: 0.8rem;
    color: var(--color-grey-text);
}

/* ==========================================================================
   7. NEDEN BİZ? & SÜREÇ
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-dark-main);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: var(--radius-lg);
    position: relative;
}

.feature-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    position: absolute;
    top: 15px;
    right: 20px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-grey-text);
    font-size: 0.92rem;
}

.timeline-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.timeline-step {
    background: var(--bg-dark-slate);
    border: 1px solid var(--border-color);
    padding: 20px 14px;
    border-radius: var(--radius-md);
    text-align: center;
}

.timeline-marker {
    width: 36px;
    height: 36px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    margin: 0 auto 14px auto;
}

.timeline-step h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.timeline-step p {
    font-size: 0.78rem;
    color: var(--color-grey-text);
}

/* ==========================================================================
   8. GALERİ & LIGHTBOX
   ========================================================================== */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-dark-main);
    color: var(--color-grey-text);
    border: 1px solid var(--border-color);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 260px;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 18, 32, 0) 0%, rgba(11, 18, 32, 0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-cat {
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 700;
    text-transform: uppercase;
}

.gallery-title {
    font-size: 1rem;
    font-weight: 700;
}

.gallery-zoom-icon {
    font-size: 0.8rem;
    margin-top: 6px;
    color: var(--color-grey-text);
}

.lightbox-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 20px;
}

.lightbox-modal.active {
    display: flex;
}

.lightbox-img {
    max-width: 90%;
    max-height: 80vh;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}

.lightbox-caption {
    margin-top: 16px;
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 600;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2.5rem;
    color: var(--color-white);
    cursor: pointer;
}

/* ==========================================================================
   9. BEFORE / AFTER SLIDER
   ========================================================================== */
.before-after-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    height: 500px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    user-select: none;
}

.img-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

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

.img-before {
    width: 50%;
    overflow: hidden;
    z-index: 2;
    border-right: 2px solid var(--color-white);
}

.label-badge {
    position: absolute;
    top: 20px;
    padding: 6px 14px;
    background: rgba(11, 18, 32, 0.8);
    font-size: 0.8rem;
    font-weight: 800;
    border-radius: 4px;
    letter-spacing: 1px;
}

.label-before { left: 20px; }
.label-after { right: 20px; }

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    z-index: 3;
    transform: translateX(-50%);
    cursor: ew-resize;
    display: flex;
    align-items: center;
    justify-content: center;
}

.handle-line {
    position: absolute;
    width: 2px;
    height: 100%;
    background: var(--color-white);
}

.handle-circle {
    width: 44px;
    height: 44px;
    background: var(--color-accent);
    border: 3px solid var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

/* ==========================================================================
   10. TESTIMONIALS & FAQ
   ========================================================================== */
.testimonial-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-dark-main);
    border: 1px solid var(--border-color);
    padding: 28px;
    border-radius: var(--radius-lg);
}

.google-review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.google-icon {
    width: 40px;
    height: 40px;
    background: #4285F4;
    color: white;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stars {
    color: #F59E0B;
    font-size: 0.9rem;
}

.review-text {
    font-size: 0.92rem;
    color: var(--color-grey-text);
    margin-bottom: 16px;
    font-style: italic;
}

.review-date {
    font-size: 0.8rem;
    color: var(--color-white);
    font-weight: 600;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: var(--bg-dark-slate);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 18px 24px;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.05rem;
    font-weight: 700;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-icon {
    font-size: 1.4rem;
    color: var(--color-accent);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    background: rgba(0, 0, 0, 0.15);
}

.faq-answer p {
    padding: 0 24px 20px 24px;
    color: var(--color-grey-text);
    font-size: 0.95rem;
}

/* ==========================================================================
   11. BÖLGESEL HİZMET & İLETİŞİM
   ========================================================================== */
.regional-box {
    background: var(--bg-dark-main);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: var(--radius-xl);
}

.regional-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.regional-text {
    color: var(--color-grey-text);
    font-size: 0.98rem;
    margin-bottom: 14px;
    line-height: 1.7;
}

.district-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--color-grey-text);
}

.tag-main {
    background: rgba(230, 57, 70, 0.15);
    border-color: var(--color-accent);
    color: var(--color-white);
    font-weight: 700;
}

.contact-card-main {
    background: var(--bg-dark-slate);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 50px;
}

.contact-main-heading {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.contact-subtext {
    color: var(--color-grey-text);
    font-size: 1.05rem;
    margin-bottom: 36px;
}

.contact-details-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(230, 57, 70, 0.1);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.item-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-grey-text);
    margin-bottom: 2px;
}

.item-val {
    font-size: 1rem;
    font-weight: 700;
}

.link-val:hover {
    color: var(--color-accent);
}

.contact-action-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ==========================================================================
   12. FOOTER VE SABİT WHATSAPP
   ========================================================================== */
.footer {
    background: #070B14;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer-tagline {
    color: var(--color-grey-text);
    font-size: 0.9rem;
    margin: 12px 0 20px 0;
    max-width: 380px;
}

.copyright {
    display: block;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-grey-text);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-text-sm {
    color: var(--color-grey-text);
    font-size: 0.85rem;
    line-height: 1.6;
}

.floating-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform var(--transition-fast);
    animation: pulse-glow 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
    70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}