/* ==========================================================================
   Mermer Silim Ustası 58 - Kurumsal Stil Dosyası
   mermersilimustasi58.com.tr
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS DEĞİŞKENLERİ & TEMA
   -------------------------------------------------------------------------- */
:root {
    /* Renk Paleti */
    --color-bg: #faf8f5;
    --color-bg-white: #ffffff;
    --color-bg-cream: #f6f2ec;
    --color-bg-warm: #fcfbf9;
    --color-bg-dark: #1f1a16;

    /* Bronz & Vurgular */
    --color-bronze: #8c6b4a;
    --color-bronze-dark: #6f5337;
    --color-bronze-light: #b89774;
    --color-bronze-soft: #f4ede5;
    --color-bronze-line: #d9cbbe;

    /* Tipografi Renkleri */
    --color-text-dark: #1b1815;
    --color-text-body: #474037;
    --color-text-muted: #787066;
    --color-text-light: #a49c91;
    --color-border: #e9e3da;
    --color-border-light: #f0ebe2;

    /* Yazı Karakterleri */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

    /* Konteyner & Grid */
    --container-max-width: 1200px;
    --container-padding: 24px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Gölgeler */
    --shadow-subtle: 0 2px 10px rgba(27, 24, 21, 0.04);
    --shadow-card: 0 6px 24px rgba(27, 24, 21, 0.06);
    --shadow-hover: 0 12px 32px rgba(27, 24, 21, 0.1);

    /* Geçişler */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. TEMEL SIFIRLAMA & GENEL KURALLAR
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-body);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: 14px;
}

/* Klavye Erişilebilirliği */
:focus-visible {
    outline: 2px solid var(--color-bronze);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background: var(--color-bronze);
    color: #fff;
    padding: 10px 18px;
    z-index: 9999;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: top var(--transition-fast);
}
.skip-link:focus {
    top: 20px;
}

/* --------------------------------------------------------------------------
   3. DÜZEN VE YARDIMCI SINIFLAR
   -------------------------------------------------------------------------- */
.site-container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

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

/* Rozet / Üst Metin */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.section-badge .badge-line {
    display: inline-block;
    width: 28px;
    height: 1.5px;
    background-color: var(--color-bronze);
}
.section-badge .badge-text {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-bronze-dark);
}

.section-header {
    margin-bottom: 48px;
}
.section-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-text-dark);
    margin-bottom: 12px;
}
.section-lead {
    font-size: 1rem;
    color: var(--color-text-muted);
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

/* İkonlar */
.icon, .btn-icon, .link-icon, .arrow-icon, .footer-icon, .strip-svg-icon {
    display: inline-block;
    vertical-align: middle;
}
.btn-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}
.btn:hover .btn-icon {
    transform: translateX(4px);
}
.link-icon {
    width: 15px;
    height: 15px;
    transition: transform var(--transition-fast);
}
.service-card-link:hover .link-icon,
.promo-link:hover .link-icon {
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   4. BUTONLAR
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 11px 24px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-bronze {
    background-color: var(--color-bronze);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(140, 107, 74, 0.25);
}
.btn-bronze:hover {
    background-color: var(--color-bronze-dark);
    color: #ffffff;
    box-shadow: 0 6px 18px rgba(140, 107, 74, 0.35);
    transform: translateY(-1px);
}

.btn-bronze-outline {
    background-color: transparent;
    color: var(--color-bronze-dark);
    border: 1px solid var(--color-bronze);
}
.btn-bronze-outline:hover {
    background-color: var(--color-bronze);
    color: #ffffff;
}

.btn-white-whatsapp {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--color-text-dark);
    border: 1px solid #d4c8bc;
    backdrop-filter: blur(4px);
}
.btn-white-whatsapp:hover {
    background-color: #ffffff;
    border-color: #25D366;
    color: #128C7E;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.15);
}
.whatsapp-icon {
    width: 17px;
    height: 17px;
    stroke: #25D366;
}

.btn-cta-outline {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(6px);
    padding: 12px 28px;
}
.btn-cta-outline:hover {
    background-color: #ffffff;
    color: var(--color-text-dark);
    border-color: #ffffff;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 15px;
}
.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
}
.btn-block {
    width: 100%;
}

/* --------------------------------------------------------------------------
   5. HEADER & NAVİGASYON
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    height: 76px;
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* Marka Logosu */
.brand-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1.15;
}
.site-header-logo {
    max-height: 42px;
    width: auto;
    object-fit: contain;
}
.site-footer-logo {
    max-height: 48px;
    width: auto;
    object-fit: contain;
    margin-bottom: 12px;
}
.brand-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-dark);
}
.brand-domain {
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--color-bronze);
    margin-top: 1px;
}

/* Sosyal Medya İkonları */
.footer-social-links {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
}
.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-bg-cream);
    color: var(--color-bronze-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}
.social-link:hover {
    background-color: var(--color-bronze);
    color: #ffffff;
    transform: translateY(-2px);
}
.social-svg {
    width: 17px;
    height: 17px;
}

/* Masaüstü Menü */
.main-navigation {
    display: flex;
    align-items: center;
}
.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
}
.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-body);
    padding: 8px 0;
    position: relative;
    transition: color var(--transition-fast);
}
.nav-link:hover {
    color: var(--color-bronze);
}
.nav-link.active {
    color: var(--color-text-dark);
    font-weight: 600;
}
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-bronze);
}

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

/* Mobil Menü Butonu */
.mobile-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: var(--radius-sm);
    z-index: 1010;
}
.hamburger-box {
    width: 22px;
    height: 16px;
    position: relative;
    display: inline-block;
}
.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    width: 22px;
    height: 2px;
    background-color: var(--color-text-dark);
    border-radius: 2px;
    position: absolute;
    transition: transform var(--transition-fast), top var(--transition-fast);
}
.hamburger-inner {
    top: 50%;
    transform: translateY(-50%);
}
.hamburger-inner::before {
    content: '';
    top: -7px;
}
.hamburger-inner::after {
    content: '';
    top: 7px;
}

/* Mobil Drawer Menü */
.mobile-nav-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    overflow: hidden;
}
.mobile-nav-drawer.is-open {
    display: block;
}

/* --------------------------------------------------------------------------
   6. HERO SLIDER
   -------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    background-color: #f7f4ee;
    overflow: hidden;
}

.hero-slider-wrapper {
    position: relative;
    width: 100%;
    min-height: 540px;
}

.hero-slides {
    position: relative;
    width: 100%;
    min-height: 540px;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    display: flex;
    align-items: center;
}

.hero-slide.is-active {
    position: relative;
    opacity: 1;
    visibility: visible;
}

/* Arka Plan ve Degrade */
.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Solda açık krem zemin, sağa doğru yumuşak şeffaflaşma */
    background: linear-gradient(
        90deg,
        rgba(253, 251, 248, 0.98) 0%,
        rgba(253, 251, 248, 0.94) 42%,
        rgba(253, 251, 248, 0.55) 70%,
        rgba(253, 251, 248, 0.15) 100%
    );
}

.hero-container {
    position: relative;
    z-index: 2;
    padding-top: 70px;
    padding-bottom: 90px;
}

.hero-content {
    max-width: 540px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.hero-badge .badge-line {
    display: inline-block;
    width: 32px;
    height: 1.5px;
    background-color: var(--color-bronze);
}
.hero-badge .badge-text {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-bronze-dark);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.25rem;
    font-weight: 600;
    line-height: 1.12;
    color: var(--color-text-dark);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.hero-description {
    font-size: 1.0625rem;
    line-height: 1.68;
    color: var(--color-text-body);
    margin-bottom: 32px;
    max-width: 490px;
}

.hero-buttons {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

/* Slider Kontroller Barı */
.hero-controls-bar {
    position: absolute;
    bottom: 28px;
    left: 0;
    width: 100%;
    z-index: 10;
    pointer-events: none;
}
.hero-controls-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Noktalar (Dots) */
.slider-dots {
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
}
.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #cfc5b8;
    transition: all var(--transition-fast);
}
.slider-dot.is-active {
    width: 28px;
    border-radius: 10px;
    background-color: var(--color-bronze);
}

/* Oklar (Prev / Next) */
.slider-arrows {
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
}
.slider-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all var(--transition-fast);
}
.slider-arrow .arrow-icon {
    width: 18px;
    height: 18px;
}
.slider-arrow:hover {
    background-color: var(--color-bronze);
    color: #ffffff;
    border-color: var(--color-bronze);
}

/* --------------------------------------------------------------------------
   7. HERO ALTI ÜÇLÜ HİZMET ŞERİDİ
   -------------------------------------------------------------------------- */
.feature-strip-section {
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: 0 4px 18px rgba(27, 24, 21, 0.03);
    position: relative;
    z-index: 5;
}

.feature-strip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
}

.feature-strip-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 24px;
    position: relative;
}

.strip-icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: var(--color-bronze-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bronze-dark);
    flex-shrink: 0;
}
.strip-svg-icon {
    width: 24px;
    height: 24px;
}

.strip-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 3px;
    line-height: 1.25;
}
.strip-subtitle {
    font-size: 0.84375rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.strip-divider {
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background-color: var(--color-border);
}

/* --------------------------------------------------------------------------
   8. HİZMETLER BÖLÜMÜ (3 KART)
   -------------------------------------------------------------------------- */
.services-section {
    padding: 96px 0;
    background-color: #ffffff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
}

.service-card-media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 11;
    overflow: hidden;
    background-color: #f0ebe2;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.service-card:hover .service-img {
    transform: scale(1.05);
}

.service-card-content {
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-card-title {
    font-family: var(--font-heading);
    font-size: 1.4375rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 10px;
    line-height: 1.25;
}

.service-card-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 18px;
    flex-grow: 1;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-bronze-dark);
    text-decoration: underline;
    text-underline-offset: 4px;
    align-self: flex-start;
}
.service-card-link:hover {
    color: var(--color-text-dark);
}

/* --------------------------------------------------------------------------
   9. TANITIM ALANI (FEATURE PROMO)
   -------------------------------------------------------------------------- */
.feature-promo-section {
    padding-bottom: 80px;
    background-color: #ffffff;
}

.promo-container {
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.promo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--color-bg-warm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.promo-media-col {
    position: relative;
    min-height: 380px;
}
.promo-image-wrapper {
    width: 100%;
    height: 100%;
}
.promo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.promo-content-col {
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 60px 54px;
}

.promo-content-inner {
    max-width: 440px;
}

.promo-title {
    font-family: var(--font-heading);
    font-size: 2.375rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-dark);
    margin-bottom: 14px;
}

.promo-desc {
    font-size: 0.9375rem;
    color: var(--color-text-body);
    line-height: 1.6;
    margin-bottom: 24px;
}

.promo-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-bronze-dark);
    text-decoration: underline;
    text-underline-offset: 5px;
}
.promo-link:hover {
    color: var(--color-text-dark);
}

/* --------------------------------------------------------------------------
   10. UYGULAMALAR ALANI (KAYIT VARSA GÖSTERİLİR)
   -------------------------------------------------------------------------- */
.applications-section {
    padding: 80px 0;
    background-color: var(--color-bg-warm);
    border-top: 1px solid var(--color-border-light);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.application-card {
    background: #ffffff;
    border: 1px solid var(--color-border);
    overflow: hidden;
}
.application-img-box {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.application-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.application-info {
    padding: 18px 20px;
}
.application-info h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-text-dark);
    margin-bottom: 4px;
}
.app-category {
    font-size: 0.8125rem;
    color: var(--color-bronze);
    text-transform: uppercase;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   11. İLETİŞİM ÇAĞRISI (CTA BANDI)
   -------------------------------------------------------------------------- */
.cta-banner-section {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 56px 0;
    color: #ffffff;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 20, 12, 0.55);
}

.cta-container {
    position: relative;
    z-index: 2;
}

.cta-content-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.cta-title-box {
    display: flex;
    align-items: center;
    gap: 20px;
}
.cta-decor-line {
    display: inline-block;
    width: 44px;
    height: 1.5px;
    background-color: rgba(255, 255, 255, 0.6);
}
.cta-heading {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   12. HIZLI TEKLİF & İLETİŞİM FORMU
   -------------------------------------------------------------------------- */
.contact-quote-section {
    padding: 90px 0;
    background-color: var(--color-bg);
}

.quote-card {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    padding: 56px 64px;
    box-shadow: var(--shadow-card);
    max-width: 920px;
    margin: 0 auto;
}

.quote-header {
    margin-bottom: 40px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 24px;
    margin-bottom: 24px;
}
.form-group-full {
    grid-column: 1 / -1;
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}
.form-label .required {
    color: #c93b2b;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    background-color: #faf9f7;
    border-radius: var(--radius-sm);
    color: var(--color-text-dark);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.form-control:focus {
    background-color: #ffffff;
    border-color: var(--color-bronze);
    outline: none;
    box-shadow: 0 0 0 3px rgba(140, 107, 74, 0.15);
}

.form-submit-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding-top: 10px;
}

.form-privacy-note {
    color: var(--color-text-light);
    max-width: 440px;
    line-height: 1.4;
}

.alert {
    padding: 16px 20px;
    margin-bottom: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.alert-success {
    background-color: #f1f8f3;
    border: 1px solid #b8e2c3;
    color: #1f6834;
}
.alert-success .alert-icon {
    width: 22px;
    height: 22px;
    stroke: #2e8b46;
    flex-shrink: 0;
}
.alert-error {
    background-color: #fdf2f2;
    border: 1px solid #f5c6cb;
    color: #8c1d18;
}

/* --------------------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
    background-color: #ffffff;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    padding: 72px 0 54px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 40px;
}

.footer-logo {
    display: inline-flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 14px;
}

.footer-brand-note {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.4;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}
.footer-links a:hover {
    color: var(--color-bronze);
    padding-left: 4px;
}

.footer-contact-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
}

.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}
.footer-contact-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--color-text-body);
}
.footer-contact-list .footer-icon {
    width: 17px;
    height: 17px;
    stroke: var(--color-bronze);
    flex-shrink: 0;
}

.footer-bottom {
    background-color: #faf8f5;
    border-top: 1px solid var(--color-border-light);
    padding: 22px 0;
}
.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   14. DUYARLI TASARIM (RESPONSIVE)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.75rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    .quote-card {
        padding: 40px 32px;
    }
}

@media (max-width: 860px) {
    /* Mobil Header */
    .main-navigation,
    .header-cta-btn {
        display: none;
    }
    .mobile-nav-toggle {
        display: flex;
    }

    /* Mobil Drawer Menü */
    .mobile-nav-drawer {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 2000;
        overflow: hidden;
    }
    .mobile-nav-drawer.is-open {
        display: block;
    }

    .mobile-nav-backdrop {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(20, 16, 12, 0.6);
        opacity: 0;
        transition: opacity var(--transition-normal);
    }
    .mobile-nav-drawer.is-open .mobile-nav-backdrop {
        opacity: 1;
    }

    .mobile-drawer-content {
        position: absolute;
        top: 0;
        right: 0;
        width: 85%;
        max-width: 360px;
        height: 100%;
        background-color: #ffffff;
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
        display: flex;
        flex-direction: column;
        padding: 24px;
        transform: translateX(100%);
        transition: transform var(--transition-normal) cubic-bezier(0.16, 1, 0.3, 1);
        overflow-y: auto;
    }
    .mobile-nav-drawer.is-open .mobile-drawer-content {
        transform: translateX(0);
    }

    .mobile-drawer-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 20px;
        border-bottom: 1px solid var(--color-border-light);
        margin-bottom: 20px;
    }
    .mobile-close-btn {
        font-size: 28px;
        line-height: 1;
        color: var(--color-text-dark);
        padding: 4px 8px;
    }

    .mobile-nav-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin-bottom: 30px;
    }
    .mobile-nav-link {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-text-dark);
        display: block;
        padding: 8px 0;
        border-bottom: 1px solid var(--color-border-light);
    }
    .mobile-nav-link.active {
        color: var(--color-bronze);
    }

    .mobile-drawer-footer {
        margin-top: auto;
        padding-top: 20px;
    }

    /* Hero */
    .hero-slider-wrapper,
    .hero-slides {
        min-height: 520px;
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .hero-description {
        font-size: 0.9375rem;
    }
    .hero-gradient-overlay {
        background: linear-gradient(
            180deg,
            rgba(253, 251, 248, 0.96) 0%,
            rgba(253, 251, 248, 0.90) 60%,
            rgba(253, 251, 248, 0.60) 100%
        );
    }

    /* Hizmet Şeridi */
    .feature-strip-grid {
        grid-template-columns: 1fr;
    }
    .feature-strip-item {
        padding: 20px 16px;
    }
    .strip-divider {
        display: none;
    }

    /* Kartlar */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    /* Tanıtım Alanı */
    .promo-grid {
        grid-template-columns: 1fr;
    }
    .promo-media-col {
        min-height: 260px;
    }
    .promo-content-col {
        padding: 40px 24px;
    }
    .promo-title {
        font-size: 1.875rem;
    }

    /* CTA Bandı */
    .cta-content-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    .cta-heading {
        font-size: 1.625rem;
    }

    /* Form */
    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .form-submit-row {
        flex-direction: column;
        align-items: stretch;
    }
    .form-submit-row .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 16px;
    }
    .hero-title {
        font-size: 1.875rem;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-btn {
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .quote-card {
        padding: 30px 18px;
    }
}

/* ==========================================================================
   AŞAMA 3: HİZMETLER & UYGULAMALAR KATALOG, DETAY, GALERİ & KARŞILAŞTIRMA
   ========================================================================== */

/* Breadcrumb Navigasyonu */
.breadcrumb-nav {
    background: #faf8f5;
    border-bottom: 1px solid rgba(197, 160, 89, 0.15);
    padding: 12px 0;
    font-size: 0.875rem;
}
.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.breadcrumb-item a {
    color: var(--color-text-muted, #666);
    text-decoration: none;
    transition: color 0.2s ease;
}
.breadcrumb-item a:hover {
    color: var(--color-bronze, #996515);
}
.breadcrumb-item.current {
    color: var(--color-dark, #222);
    font-weight: 500;
}
.breadcrumb-separator {
    color: #ccc;
    font-size: 0.8rem;
}

/* Sayfa Başlık Bölümü (Header Section) */
.page-header-section {
    padding: 50px 0 35px;
    background: linear-gradient(180deg, #ffffff 0%, #fdfbf7 100%);
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.page-header-section .page-title {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--color-dark, #1f2937);
    margin: 12px 0 16px;
    line-height: 1.25;
}
.page-header-section .page-lead {
    font-size: 1.1rem;
    color: #555;
    max-width: 780px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Filtre Sekmeleri (Pills) */
.applications-filter-section {
    padding: 24px 0 10px;
    background: #fff;
}
.filter-pills-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    align-items: center;
}
.filter-pill {
    display: inline-block;
    padding: 8px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #4b5563;
    background: #f9f7f4;
    border: 1px solid #e5e0d8;
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.2s ease;
}
.filter-pill:hover {
    color: #1f2937;
    background: #f3efe9;
    border-color: #d1c7b7;
}
.filter-pill.active {
    color: #ffffff;
    background: var(--color-bronze, #996515);
    border-color: var(--color-bronze, #996515);
    box-shadow: 0 2px 8px rgba(153, 101, 21, 0.25);
}

/* Ortak Liste & Grid Bölümleri */
.services-list-section,
.applications-list-section {
    padding: 40px 0 70px;
    background: #faf8f5;
}

.services-catalog-grid,
.applications-catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Hizmet ve Uygulama Kartları */
.service-catalog-card,
.app-catalog-card {
    background: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    border: 1px solid #efeae2;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.service-catalog-card:hover,
.app-catalog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.09);
    border-color: rgba(197, 160, 89, 0.4);
}

.service-catalog-media,
.app-catalog-media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    background: #eae6df;
    overflow: hidden;
}
.service-catalog-img,
.app-catalog-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.service-catalog-card:hover .service-catalog-img,
.app-catalog-card:hover .app-catalog-img {
    transform: scale(1.04);
}

.app-media-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    pointer-events: none;
}
.app-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.app-badge-service {
    background: rgba(31, 41, 55, 0.88);
    color: #ffffff;
    backdrop-filter: blur(4px);
}
.app-badge-compare {
    background: rgba(153, 101, 21, 0.92);
    color: #ffffff;
    backdrop-filter: blur(4px);
}

.service-catalog-content,
.app-catalog-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.app-catalog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8rem;
    color: #6b7280;
    margin-bottom: 8px;
}
.app-catalog-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.app-catalog-meta .meta-icon {
    width: 14px;
    height: 14px;
    color: var(--color-bronze, #996515);
}

.service-catalog-title,
.app-catalog-title {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: 1.25rem;
    line-height: 1.35;
    margin: 0 0 10px;
    color: #1f2937;
}
.service-catalog-title a,
.app-catalog-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}
.service-catalog-title a:hover,
.app-catalog-title a:hover {
    color: var(--color-bronze, #996515);
}

.service-catalog-desc,
.app-catalog-desc {
    font-size: 0.92rem;
    line-height: 1.6;
    color: #4b5563;
    margin: 0 0 18px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.service-catalog-link,
.app-catalog-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-bronze, #996515);
    text-decoration: none;
    transition: gap 0.2s ease, color 0.2s ease;
    align-self: flex-start;
}
.service-catalog-link:hover,
.app-catalog-link:hover {
    gap: 12px;
    color: #7a4f0f;
}

/* Sayfalama (Pagination) */
.pagination-nav {
    margin-top: 48px;
}
.pagination-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 6px;
    border: 1px solid #dcd7ce;
    background: #ffffff;
    color: #374151;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}
.pagination-link:hover {
    background: #f4ede3;
    border-color: var(--color-bronze, #996515);
    color: var(--color-bronze, #996515);
}
.pagination-link.current {
    background: var(--color-bronze, #996515);
    border-color: var(--color-bronze, #996515);
    color: #ffffff;
    font-weight: 600;
}
.pagination-icon {
    width: 16px;
    height: 16px;
}

/* Boş Durum Kutusu (Empty State) */
.empty-state-box {
    text-align: center;
    background: #ffffff;
    border: 1px solid #e8e2d8;
    border-radius: 12px;
    padding: 56px 24px;
    max-width: 600px;
    margin: 20px auto;
}
.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}
.empty-state-title {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: 1.4rem;
    color: #1f2937;
    margin-bottom: 10px;
}
.empty-state-box p {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   UYGULAMA DETAY SAYFASI
   ========================================================================== */

.app-detail-article {
    padding: 40px 0 80px;
    background: #fdfbf7;
}

.app-detail-header {
    max-width: 900px;
    margin: 0 auto 36px;
    text-align: center;
}
.app-detail-badges {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 14px;
}
.app-detail-title {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: clamp(2rem, 4vw, 2.85rem);
    color: #1f2937;
    line-height: 1.25;
    margin: 0 0 16px;
}
.app-meta-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    color: #6b7280;
    font-size: 0.92rem;
    margin-bottom: 18px;
}
.app-lead-desc {
    font-size: 1.15rem;
    line-height: 1.65;
    color: #4b5563;
    max-width: 800px;
    margin: 0 auto;
}

/* Öncesi / Sonrası Karşılaştırma Bileşeni */
.comparison-card {
    max-width: 1080px;
    margin: 0 auto 50px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e8e2d8;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    padding: 24px;
}
.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f0eae1;
}
.comparison-badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-bronze, #996515);
    background: #faf4e9;
    border-radius: 4px;
    margin-bottom: 4px;
}
.comparison-heading {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: 1.35rem;
    color: #1f2937;
    margin: 0;
}
.comparison-controls-hint .hint-text {
    font-size: 0.85rem;
    color: #6b7280;
}

.ba-slider-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    max-height: 640px;
    background: #111;
    overflow: hidden;
    border-radius: 8px;
    user-select: none;
    -webkit-user-select: none;
    touch-action: pan-y;
}
.ba-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.ba-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}
.ba-before-layer {
    z-index: 2;
    border-right: 2px solid #ffffff;
    box-shadow: 2px 0 10px rgba(0,0,0,0.3);
}

.ba-label {
    position: absolute;
    bottom: 16px;
    padding: 6px 14px;
    background: rgba(17, 24, 39, 0.78);
    backdrop-filter: blur(4px);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: 4px;
    pointer-events: none;
    z-index: 3;
    letter-spacing: 0.4px;
}
.ba-label-before {
    left: 16px;
    background: rgba(185, 28, 28, 0.85);
}
.ba-label-after {
    right: 16px;
    background: rgba(5, 150, 105, 0.85);
}

/* Sürükleme Tutamacı (Handle) */
.ba-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 44px;
    margin-left: -22px;
    z-index: 5;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ba-handle-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #ffffff;
    box-shadow: 0 0 6px rgba(0,0,0,0.5);
}
.ba-handle-button {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bronze, #996515);
    border: 2px solid var(--color-bronze, #996515);
}
.handle-arrow {
    width: 12px;
    height: 12px;
}

/* Range Input Overlay (Erişilebilirlik ve Dokunmatik Kontrol) */
.ba-range-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 10;
    margin: 0;
    padding: 0;
}

/* Kapak Görseli Wrapper */
.app-main-cover-wrapper {
    max-width: 1080px;
    margin: 0 auto 50px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
    aspect-ratio: 16 / 9;
    background: #eee;
}
.app-main-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Detay Gövdesi ve Zengin Metin */
.app-detail-body-section {
    max-width: 860px;
    margin: 0 auto 50px;
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #eee8df;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}
.app-content-heading {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: 1.6rem;
    color: #1f2937;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0eae1;
}

.rich-text-content {
    font-size: 1.05rem;
    line-height: 1.75;
    color: #374151;
}
.rich-text-content p {
    margin-bottom: 1.25rem;
}
.rich-text-content h2,
.rich-text-content h3 {
    font-family: var(--font-heading, "Playfair Display", serif);
    color: #1f2937;
    margin-top: 1.75rem;
    margin-bottom: 0.75rem;
}
.rich-text-content ul,
.rich-text-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}
.rich-text-content li {
    margin-bottom: 0.5rem;
}
.rich-text-content strong {
    color: #111827;
}

/* Çoklu Galeri Izgarası */
.app-gallery-section {
    max-width: 1080px;
    margin: 0 auto 60px;
}
.app-gallery-header {
    text-align: center;
    margin-bottom: 30px;
}
.app-gallery-header .section-subtitle {
    color: #6b7280;
    font-size: 0.95rem;
    margin-top: -10px;
}
.app-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}
.gallery-item-link {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 8px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.gallery-item-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.1);
}
.gallery-thumb-wrapper {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #eae6df;
}
.gallery-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}
.gallery-item-link:hover .gallery-thumb-img {
    transform: scale(1.06);
}
.gallery-thumb-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.35);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.25s ease;
}
.gallery-item-link:hover .gallery-thumb-overlay {
    opacity: 1;
}
.zoom-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.92);
    color: #1f2937;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: 9999px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.zoom-icon {
    width: 15px;
    height: 15px;
    color: var(--color-bronze, #996515);
}
.gallery-caption {
    display: block;
    padding: 8px 12px;
    font-size: 0.82rem;
    color: #4b5563;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-top: 1px solid #f0eae1;
}

/* Teklif & CTA Kartı */
.app-cta-card-section {
    max-width: 1080px;
    margin: 0 auto 60px;
}
.app-cta-card {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: #ffffff;
    border-radius: 12px;
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.cta-kicker {
    display: block;
    color: var(--color-bronze-light, #d4af37);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    margin-bottom: 8px;
}
.cta-title {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    line-height: 1.3;
    margin: 0 0 10px;
    color: #ffffff;
}
.cta-desc {
    color: #d1d5db;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    max-width: 580px;
}
.cta-card-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 240px;
}
.btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
}
.btn-phone {
    background: #ffffff;
    color: #1f2937;
    border: 1px solid #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}
.btn-phone:hover {
    background: #f3f4f6;
    color: #000;
}

/* Diğer Uygulamalar Bölümü */
.other-apps-section {
    max-width: 1080px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid #e8e2d8;
}
.other-apps-header {
    text-align: center;
    margin-bottom: 30px;
}

/* ==========================================================================
   VANILLA JS LIGHTBOX MODAL
   ========================================================================== */

.lightbox-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
}
.lightbox-modal.is-open {
    display: flex;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.lightbox-content-box {
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox-figure {
    margin: 0;
    text-align: center;
    max-width: 100%;
}
.lightbox-main-img {
    max-width: 88vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.6);
}
.lightbox-caption {
    color: #e5e7eb;
    font-size: 0.95rem;
    margin-top: 12px;
    font-weight: 500;
}

.lightbox-btn {
    position: absolute;
    background: rgba(30, 30, 30, 0.7);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
}
.lightbox-btn:hover {
    background: var(--color-bronze, #996515);
    border-color: var(--color-bronze, #996515);
}
.lightbox-icon {
    width: 22px;
    height: 22px;
}
.lightbox-close {
    top: -50px;
    right: 0;
}
.lightbox-prev {
    top: 50%;
    left: -60px;
    transform: translateY(-50%);
}
.lightbox-next {
    top: 50%;
    right: -60px;
    transform: translateY(-50%);
}

/* Responsive Düzenlemeler */
@media (max-width: 992px) {
    .services-catalog-grid,
    .applications-catalog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .app-cta-card {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: 30px 20px;
    }
    .cta-card-actions {
        min-width: 100%;
    }
    .lightbox-prev {
        left: 10px;
    }
    .lightbox-next {
        right: 10px;
    }
    .lightbox-close {
        top: 10px;
        right: 10px;
    }
}

@media (max-width: 640px) {
    .services-catalog-grid,
    .applications-catalog-grid {
        grid-template-columns: 1fr;
    }
    .app-detail-body-section {
        padding: 24px 18px;
    }
    .comparison-card {
        padding: 16px;
    }
    .comparison-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .ba-slider-container {
        aspect-ratio: 4 / 3;
    }
}

/* ==========================================================================
   AŞAMA 4: İLETİŞİM & TEKLİF FORMU, HAKKIMIZDA & YÜZEN WHATSAPP BUTONU
   ========================================================================== */

/* İletişim Sayfası Grid Düzeni */
.contact-section {
    padding: 50px 0 80px;
    background: #fdfbf7;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 40px;
    align-items: flex-start;
}

/* Sol Kolon: İletişim Bilgileri */
.contact-cards-container {
    background: #ffffff;
    border: 1px solid #eee8df;
    border-radius: 12px;
    padding: 36px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}
.contact-block-heading {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: 1.6rem;
    color: #1f2937;
    margin: 0 0 10px;
}
.contact-block-desc {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0 0 28px;
}

.contact-methods-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}
.contact-method-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px;
    border-radius: 8px;
    background: #faf8f5;
    border: 1px solid #f0eae1;
    transition: all 0.2s ease;
}
.contact-method-card:hover {
    border-color: rgba(153, 101, 21, 0.4);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}
.contact-method-card.highlight-whatsapp {
    background: #f0fdf4;
    border-color: #bbf7d0;
}
.method-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: #ffffff;
    border: 1px solid #e8e2d8;
    color: var(--color-bronze, #996515);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.method-icon-box.whatsapp-box {
    background: #25D366;
    color: #ffffff;
    border-color: #20ba5a;
}
.method-svg-icon {
    width: 22px;
    height: 22px;
}
.method-details {
    flex: 1;
}
.method-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #9ca3af;
    margin-bottom: 4px;
}
.method-value {
    display: inline-block;
    font-size: 1.05rem;
    font-weight: 600;
    color: #1f2937;
    text-decoration: none;
    transition: color 0.2s ease;
}
.method-value:hover {
    color: var(--color-bronze, #996515);
}
.contact-method-card.highlight-whatsapp .method-value {
    color: #15803d;
}
.contact-method-card.highlight-whatsapp .method-value:hover {
    color: #0f5132;
}
.method-value-static {
    font-size: 0.95rem;
    color: #374151;
    line-height: 1.5;
}
.method-note {
    display: block;
    font-size: 0.8rem;
    color: #6b7280;
    margin-top: 4px;
}

.map-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-bronze, #996515);
    text-decoration: none;
    transition: gap 0.2s ease;
}
.map-link-btn:hover {
    gap: 10px;
    color: #7a4f0f;
}
.btn-icon-sm {
    width: 14px;
    height: 14px;
}

/* Faber Kalite Rozet Kutusu */
.faber-quality-box {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 18px 20px;
    background: linear-gradient(135deg, #faf6ee 0%, #f4ece0 100%);
    border: 1px solid #ebd9c0;
    border-radius: 8px;
}
.faber-quality-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--color-bronze, #996515);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.faber-icon {
    width: 22px;
    height: 22px;
}
.faber-quality-text strong {
    display: block;
    font-size: 0.92rem;
    color: #1f2937;
    margin-bottom: 2px;
}
.faber-quality-text p {
    font-size: 0.82rem;
    color: #555;
    margin: 0;
    line-height: 1.45;
}

/* Sağ Kolon: Teklif Talep Formu Kartı */
.quote-form-card {
    background: #ffffff;
    border: 1px solid #eee8df;
    border-radius: 12px;
    padding: 36px 32px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
}
.quote-form-header {
    margin-bottom: 24px;
}
.quote-badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-bronze, #996515);
    background: #faf4e9;
    border-radius: 4px;
    margin-bottom: 6px;
}
.quote-form-title {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: 1.6rem;
    color: #1f2937;
    margin: 0 0 8px;
}
.quote-form-desc {
    color: #6b7280;
    font-size: 0.92rem;
    margin: 0;
    line-height: 1.5;
}

/* Form Elemanları ve Grid */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
}
.form-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
}
.form-label .req {
    color: #dc2626;
    font-weight: bold;
}
.form-label .opt {
    color: #9ca3af;
    font-weight: normal;
    font-size: 0.8rem;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.95rem;
    font-family: inherit;
    color: #1f2937;
    background: #ffffff;
    border: 1px solid #dcd7ce;
    border-radius: 6px;
    transition: all 0.2s ease;
    box-sizing: border-box;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-bronze, #996515);
    box-shadow: 0 0 0 3px rgba(153, 101, 21, 0.15);
}
.form-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
}
.form-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

/* Hata ve Başarı Durumları */
.has-error .form-control {
    border-color: #ef4444;
    background: #fef2f2;
}
.has-error .form-control:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}
.field-error {
    display: block;
    color: #dc2626;
    font-size: 0.8rem;
    margin-top: 4px;
    font-weight: 500;
}

.alert-box {
    display: flex;
    gap: 12px;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.92rem;
    line-height: 1.5;
}
.alert-success {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}
.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}
.alert-icon {
    flex-shrink: 0;
    margin-top: 1px;
}
.alert-svg {
    width: 20px;
    height: 20px;
}

.form-info-notice {
    padding: 12px 14px;
    background: #faf8f5;
    border-left: 3px solid var(--color-bronze, #996515);
    border-radius: 4px;
    margin-bottom: 20px;
}
.form-info-notice p {
    margin: 0;
    font-size: 0.82rem;
    color: #6b7280;
    line-height: 1.5;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
}

/* ==========================================================================
   HAKKIMIZDA SAYFASI
   ========================================================================== */

.about-content-section {
    padding: 50px 0 80px;
    background: #fdfbf7;
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: flex-start;
}

.about-image-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    aspect-ratio: 4 / 3;
    background: #eae6df;
}
.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.about-image-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    padding: 14px 18px;
    background: rgba(31, 41, 55, 0.88);
    backdrop-filter: blur(6px);
    border-radius: 8px;
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.about-image-badge .badge-tag {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-bronze-light, #d4af37);
    margin-bottom: 2px;
}
.about-image-badge .badge-sub {
    font-size: 0.88rem;
    color: #f3f4f6;
    font-weight: 500;
}

.about-text-inner {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #eee8df;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.about-principles-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid #f0eae1;
}
.principle-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.principle-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: #faf4e9;
    border: 1px solid #ebd9c0;
    color: var(--color-bronze, #996515);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.principle-svg {
    width: 22px;
    height: 22px;
}
.principle-info h3 {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: 1.15rem;
    color: #1f2937;
    margin: 0 0 4px;
}
.principle-info p {
    font-size: 0.92rem;
    color: #4b5563;
    line-height: 1.55;
    margin: 0;
}

/* ==========================================================================
   YÜZEN WHATSAPP BUTONU (FLOATING WHATSAPP)
   ========================================================================== */

.floating-whatsapp-wrap {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
}
.floating-whatsapp-btn {
    position: relative;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25D366;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 18px rgba(37, 211, 102, 0.45);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.floating-whatsapp-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}
.floating-wa-icon {
    width: 32px;
    height: 32px;
    z-index: 2;
}

.whatsapp-btn-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid #25D366;
    opacity: 0.6;
    animation: waPulse 2s infinite ease-out;
}
@keyframes waPulse {
    0% {
        transform: scale(0.95);
        opacity: 0.8;
    }
    70% {
        transform: scale(1.3);
        opacity: 0;
    }
    100% {
        transform: scale(1.35);
        opacity: 0;
    }
}

.floating-wa-tooltip {
    position: absolute;
    right: 68px;
    white-space: nowrap;
    background: #1f2937;
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    opacity: 0;
    pointer-events: none;
    transform: translateX(8px);
    transition: all 0.2s ease;
}
.floating-whatsapp-btn:hover .floating-wa-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive Düzenlemeler */
@media (max-width: 992px) {
    .contact-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .about-text-inner {
        padding: 30px 24px;
    }
    .quote-form-card {
        padding: 28px 20px;
    }
    .floating-wa-tooltip {
        display: none; /* Mobilde tooltip gereksizdir */
    }
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .floating-whatsapp-wrap {
        bottom: 20px;
        right: 18px;
    }
    .floating-whatsapp-btn {
        width: 52px;
        height: 52px;
    }
    .floating-wa-icon {
        width: 28px;
        height: 28px;
    }
}