/* ==========================================================================
   MECH ENDÜSTRİYEL - ANA STİL DOSYASI (style.css)
   ========================================================================== 
   İÇİNDEKİLER:
   01. Genel Ayarlar ve Tipografi
   02. Header (Üst Menü ve İletişim Çubuğu)
   03. Hero Bölümü (Video ve Ana Başlık)
   04. Hizmetlerimiz (Eğik Kutular)
   05. Tamamlanan Projeler (Kart Slider)
   06. Kabin Çeşitleri (3D Geometrik Vitrin)
   07. Mühendislik Manifestosu
   08. Filtre Çözümleri
   09. Güvenilir Çözüm Ortakları (Logolar)
   10. Neden Biz?
   11. Ücretsiz Keşif (CTA)
   12. İletişim Bölümü ve Form
   13. Footer (Alt Bilgi ve Harita)
   14. Yüzen WhatsApp Butonu
   ========================================================================== */


/* ==========================================
   01. GENEL AYARLAR VE TİPOGRAFİ
========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    overflow-x: hidden; /* Mobilde yatay taşmaları engeller */
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.ultra-wide-container {
    max-width: 1500px; 
    width: 95%;
    margin: 0 auto;
}

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

/* Ortak Bölüm Başlıkları */
.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 3rem;
}

.section-header-centered {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.6;
    text-align: center;
    width: 100%;
}


/* ==========================================
   02. HEADER (ÜST MENÜ VE İLETİŞİM ÇUBUĞU)
========================================== */
.site-header {
    position: fixed;
    top: 0; 
    left: 0; 
    width: 100%;
    z-index: 1000;
    background-color: #212121;
    transition: all 0.4s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

/* Üst İletişim Barı */
.top-bar {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s ease;
    overflow: hidden;
    max-height: 50px; 
}

.top-bar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 0.85rem;
}

.top-contact {
    display: flex;
    gap: 25px;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-contact a {
    color: #bdc3c7;
    text-decoration: none;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.top-contact a:hover {
    color: #e74c3c;
}

.top-right {
    display: flex;
    align-items: center;
    gap: 25px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: #ffffff;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-icons a:hover {
    color: #d32f2f;
    transform: scale(1.2);
}

.language-select a {
    color: #7f8c8d;
    text-decoration: none;
    transition: color 0.3s;
}

.language-select a.active, .language-select a:hover {
    color: #fff;
    font-weight: bold;
}

.lang-divider {
    color: #555;
    margin: 0 5px;
}

/* Alt Navigasyon Barı */
.main-header-bar {
    padding: 15px 0;
    transition: all 0.4s ease;
}

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

.site-logo {
    max-height: 55px;
    width: auto;
    transition: max-height 0.4s ease;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 10px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: #ecf0f1;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    padding: 8px 18px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.main-nav a:hover {
    background-color: #d32f2f;
    color: #fff;
}

/* Header Kaydırma (Scroll) Efekti */
.site-header.scrolled {
    background-color: rgba(33, 33, 33, 0.85); 
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
}

.site-header.scrolled .top-bar {
    max-height: 0;
    padding: 0;
    opacity: 0;
    border-bottom: none;
}

.site-header.scrolled .main-header-bar {
    padding: 10px 0;
}

.site-header.scrolled .site-logo {
    max-height: 45px;
}

/* Header Mobil Uyum */
@media (max-width: 992px) {
    .top-bar { display: none; }
    .main-nav { display: none; }
}

@media (max-width: 600px) {
    .top-contact {
        flex-direction: column;
        gap: 5px;
        align-items: flex-start;
    }
}


/* ==========================================
   03. HERO BÖLÜMÜ (VİDEO VE ANA BAŞLIK)
========================================== */
.hero-video-section {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #fff;
    text-align: center;
}

.hero-bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -2;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(33,33,33,0.4) 0%, rgba(33,33,33,0.8) 100%);
    z-index: -1;
}

.hero-content {
    z-index: 1;
    max-width: 900px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-content p strong { color: #d32f2f; }

.btn-primary {
    background-color: #d32f2f;
    color: #fff;
    padding: 15px 35px;
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    margin-right: 15px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background-color: #b71c1c;
    transform: translateY(-3px);
}

.btn-outline {
    border: 2px solid #fff;
    color: #fff;
    padding: 13px 35px;
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-outline:hover {
    background-color: #fff;
    color: #212121;
}

/* Hero Mobil Uyum */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p { font-size: 1rem; }
    .btn-primary, .btn-outline { display: block; margin: 15px auto; width: 80%; }
}


/* ==========================================
   04. HİZMETLERİMİZ (EĞİK KUTULAR)
========================================== */
#hizmetler {
    padding: 5rem 0;
    background-color: #ffffff;
}

.kutu-konteyner {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.egik-kutu {
    background-color: #f0f2f5; 
    border-radius: 8px;
    transform: skewX(-10deg);
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08); 
    border-bottom: 4px solid #212121;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.egik-kutu:hover {
    transform: skewX(-10deg) translateY(-8px); 
    box-shadow: 0 12px 24px rgba(0,0,0,0.12); 
}

.kutu-icerik {
    transform: skewX(10deg);
    color: #212121;
    text-align: center;
    padding: 20px 15px;
    width: 100%;
}

.kutu-icerik h3 {
    font-size: 1.05rem;
    color: #212121;
    margin-bottom: 10px;
    font-weight: 700;
}

.kutu-icerik p {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.5;
    margin: 0;
}

.kutu-icerik p strong { color: #d32f2f; }

/* Hizmetler Mobil Uyum */
@media (max-width: 1024px) {
    .kutu-konteyner { flex-direction: column; }
    .egik-kutu { transform: none; width: 100%; margin-bottom: 10px; }
    .kutu-icerik { transform: none; }
    .egik-kutu:hover { transform: translateY(-5px); }
}


/* ==========================================
   05. TAMAMLANAN PROJELER (KART SLIDER)
========================================== */
.home-projects-section {
    padding: 80px 0;
    background: #fdfdfd;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #212121;
    margin-bottom: 10px;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: #c7c9c7;
    margin: 15px auto;
}

.slider-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.projects-track {
    display: flex;
    gap: 25px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 20px 5px;
    scrollbar-width: none; 
    width: 100%;
}

.projects-track::-webkit-scrollbar {
    display: none; 
}

.project-card {
    flex: 0 0 350px;
    scroll-snap-align: start;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-thumb {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.project-card:hover .card-thumb img {
    transform: scale(1.1);
}

.badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #d32f2f;
    color: #fff;
    padding: 5px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
}

.card-body { padding: 25px; }
.card-body h3 { font-size: 1.2rem; color: #212121; margin-bottom: 10px; font-weight: 700; }
.card-body p { font-size: 0.9rem; color: #666; line-height: 1.6; margin-bottom: 15px; }
.read-more { color: #d32f2f; font-weight: 700; text-decoration: none; font-size: 0.9rem; }

.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: #d32f2f;
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-btn:hover { background: #212121; transform: translateY(-50%) scale(1.1); }
.prev-btn { left: -25px; }
.next-btn { right: -25px; }

/* Projeler Mobil Uyum */
@media (max-width: 992px) {
    .nav-btn { display: none; }
    .project-card { flex: 0 0 300px; }
}


/* ==========================================
   06. KABİN ÇEŞİTLERİ (3D GEOMETRİK VİTRİN)
========================================== */
.symmetric-showcase-section {
    padding: 6rem 0;
    background-color: #ffffff;
}

.sym-wrapper {
    display: flex;
    justify-content: space-between; 
    align-items: center;
    gap: 40px; 
}

.sym-left, .sym-right {
    flex: 0 0 350px; 
    display: flex;
    flex-direction: column;
    gap: 15px; 
}

.sym-center {
    flex: 1; 
    max-width: 700px; 
    display: flex;
    justify-content: center;
}

.sym-lm { width: 85%; }
.sym-rm { width: 85%; margin-left: auto; text-align: right; }

.center-image-frame {
    width: 100%;
    height: 700px; 
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, rgba(33,33,33,0.06) 0%, transparent 65%);
    border-radius: 50%; 
}

.center-image-frame img {
    width: 90%; 
    height: 90%;
    object-fit: contain; 
    filter: drop-shadow(0 25px 25px rgba(0,0,0,0.3));
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.sym-item {
    background-color: #212121; 
    color: #fff;
    padding: 25px 30px;
    min-height: 180px; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent; 
}

.sym-content h3 { font-size: 1.2rem; margin-bottom: 8px; color: #fff; }
.sym-content p { font-size: 0.9rem; line-height: 1.5; opacity: 0.85; margin: 0; }

.sym-item.active, .sym-item:hover {
    background-color: #d32f2f; 
    transform: scale(1.02); 
    box-shadow: 0 10px 20px rgba(211, 47, 47, 0.2); 
    border-bottom: 2px solid #ffffff; 
}

.sym-item.active .sym-content p, .sym-item:hover .sym-content p { opacity: 1; }
.sym-content p strong { color: #ffffff; font-weight: 800; }

.sym-lt { clip-path: polygon(0 0, 100% 0, 100% 75%, 85% 100%, 0 100%); }
.sym-lb { clip-path: polygon(0 0, 85% 0, 100% 25%, 100% 100%, 0 100%); }
.sym-rt { clip-path: polygon(0 0, 100% 0, 100% 100%, 15% 100%, 0 75%); text-align: right; }
.sym-rb { clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%, 0 25%); text-align: right; }

.sym-right .sym-content { width: 100%; }

/* Kabin Çeşitleri Mobil Uyum */
@media (max-width: 1024px) {
    .sym-wrapper { flex-direction: column; }
    .sym-center { order: -1; width: 100%; margin-bottom: 25px; }
    .center-image-frame { height: 350px; background: transparent; }
    .center-image-frame img { filter: drop-shadow(0 15px 15px rgba(0,0,0,0.2)); }
    .sym-left, .sym-right { width: 100%; flex: auto; }
    .sym-item { clip-path: none !important; border-radius: 8px; text-align: left !important; min-height: auto; }
}


/* ==========================================
   07. MÜHENDİSLİK MANİFESTOSU
========================================== */
.text-engineering-section {
    padding: 6rem 0;
    background-color: #ffffff; 
    border-top: 1px solid #eaeaea;
    border-bottom: 1px solid #eaeaea;
}

.text-container { max-width: 1000px; margin: 0 auto; }

.main-text-block { text-align: center; margin-bottom: 4rem; }
.main-text-block p { font-size: 1.15rem; color: #444; line-height: 1.8; margin-bottom: 1.5rem; }
.main-text-block p strong { color: #d32f2f; font-weight: 700; }

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

.text-box {
    background-color: #f8f9fa; 
    padding: 35px 30px;
    border-radius: 10px;
    border-top: 4px solid #212121; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.text-box:hover {
    transform: translateY(-5px); 
    box-shadow: 0 12px 25px rgba(211, 47, 47, 0.15); 
}

.text-icon { font-size: 2.5rem; margin-bottom: 15px; }
.text-box h4 { color: #212121; font-size: 1.25rem; margin-bottom: 15px; font-weight: 700; }
.text-box p { font-size: 0.95rem; color: #555; line-height: 1.7; margin: 0; }
.text-box p strong { color: #d32f2f; }

/* Mühendislik Mobil Uyum */
@media (max-width: 992px) {
    .text-engineering-section { padding: 4rem 0; }
    .main-text-block p { font-size: 1rem; text-align: left; }
    .text-grid { grid-template-columns: 1fr; gap: 25px; }
    .text-box { padding: 25px 20px; }
}


/* ==========================================
   08. FİLTRE ÇÖZÜMLERİ
========================================== */
.filters-section { padding: 5rem 0; }

.filter-grid-six {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
}

.filter-card {
    background-color: #f0f2f5; 
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    border-bottom: 4px solid #212121; 
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.filter-card:hover { transform: translateY(-8px); box-shadow: 0 12px 25px rgba(211, 47, 47, 0.15); }

.filter-img-box {
    width: 100%; height: 180px;
    display: flex; align-items: center; justify-content: center;
    padding: 15px;
    background: radial-gradient(circle, rgba(33,33,33,0.03) 0%, transparent 70%);
}

.filter-img-box img {
    max-width: 90%; max-height: 90%; object-fit: contain;
    filter: drop-shadow(0 10px 10px rgba(0,0,0,0.2));
    transition: transform 0.4s ease;
}

.filter-card:hover .filter-img-box img { transform: scale(1.1); }

.filter-content { padding: 20px 15px; text-align: center; display: flex; flex-direction: column; flex-grow: 1; }
.filter-content h3 { color: #212121; font-size: 1.1rem; margin-bottom: 12px; font-weight: 700; }
.filter-content p { color: #555; font-size: 0.85rem; line-height: 1.6; margin: 0; }
.filter-content p strong { color: #d32f2f; }

/* Filtre Mobil Uyum */
@media (max-width: 1400px) { .filter-grid-six { grid-template-columns: repeat(3, 1fr); gap: 25px; } }
@media (max-width: 768px) { .filter-grid-six { grid-template-columns: 1fr; } }


/* ==========================================
   09. GÜVENİLİR ÇÖZÜM ORTAKLARI (LOGOLAR)
========================================== */
.references-slider-section { padding: 4rem 0; background-color: #ecf0f1; }

.ref-wrapper {
    position: relative; max-width: 1000px;
    margin: 0 auto; padding: 20px 40px;
}

.ref-track {
    display: flex; align-items: center; gap: 50px;
    overflow-x: auto; scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.ref-track::-webkit-scrollbar { display: none; }

.ref-slide { flex: 0 0 auto; width: 180px; display: flex; justify-content: center; }

.ref-slide img {
    max-height: 70px; object-fit: contain;
    filter: grayscale(100%); opacity: 0.5;
    transition: all 0.4s ease; cursor: pointer;
}
.ref-slide img:hover { filter: grayscale(0%); opacity: 1; transform: scale(1.05); }

.ref-btn {
    position: absolute; top: 50%; transform: translateY(-50%);
    background-color: #fff; border: 1px solid #ddd; border-radius: 50%;
    width: 40px; height: 40px; cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1); z-index: 10;
    opacity: 0; transition: all 0.3s ease;
}

.ref-btn:hover { background-color: #d32f2f; color: #fff; border-color: #d32f2f; }
.ref-prev { left: -20px; }
.ref-next { right: -20px; }
.ref-wrapper:hover .ref-prev { left: 0px; opacity: 1; }
.ref-wrapper:hover .ref-next { right: 0px; opacity: 1; }


/* ==========================================
   10. NEDEN BİZ?
========================================== */
.why-us-section { padding: 5rem 0; background-color: #fff; }

.features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem; text-align: center;
}

.feature-box { padding: 1rem; }
.feature-icon { font-size: 3rem; margin-bottom: 1rem; transition: transform 0.3s ease; }
.feature-box:hover .feature-icon { transform: translateY(-10px); }
.feature-box h3 { color: #212121; font-size: 1.2rem; margin-bottom: 0.8rem; }
.feature-box p { color: #666; font-size: 0.95rem; }


/* ==========================================
   11. ÜCRETSİZ KEŞİF (CTA)
========================================== */
.cta-section {
    padding: 7rem 0;
    background: linear-gradient(135deg, #212121 0%, #c7c9c7 35%, #212121 100%);
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at center, transparent 20%, rgba(0,0,0,0.5) 100%);
    pointer-events: none;
}

.cta-content { max-width: 850px; margin: 0 auto; position: relative; z-index: 2; }
.cta-content h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 20px; line-height: 1.2; }
.cta-content p { font-size: 1.15rem; opacity: 0.9; line-height: 1.7; margin-bottom: 40px; }

.cta-actions { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.cta-btn {
    padding: 18px 45px; border-radius: 5px; font-size: 1rem; font-weight: 700;
    text-decoration: none; text-transform: uppercase; transition: all 0.3s ease;
}

.main-cta { background-color: #ffffff; color: #212121; box-shadow: 0 10px 20px rgba(0,0,0,0.15); }
.main-cta:hover { background-color: #212121; color: #ffffff; transform: translateY(-5px); }

.outline-cta { background-color: transparent; color: #ffffff; border: 2px solid #ffffff; }
.outline-cta:hover { background-color: rgba(255,255,255,0.1); transform: translateY(-5px); }

/* CTA Mobil Uyum */
@media (max-width: 768px) {
    .cta-content h2 { font-size: 1.8rem; }
    .cta-actions { flex-direction: column; }
    .cta-btn { width: 100%; }
}


/* ==========================================
   12. İLETİŞİM BÖLÜMÜ VE FORM
========================================== */
.contact-section { padding: 6rem 0; background-color: #ffffff; }

.contact-wrapper { display: flex; gap: 40px; align-items: stretch; }

.contact-info-blocks { flex: 0 0 35%; display: flex; flex-direction: column; gap: 20px; }

.contact-card {
    background-color: #f0f2f5; padding: 30px 25px; border-radius: 8px;
    display: flex; align-items: center; border-left: 5px solid #212121; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.05); transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover { transform: translateX(10px); box-shadow: 0 8px 20px rgba(0,0,0,0.1); }
.contact-icon { font-size: 2.2rem; margin-right: 20px; line-height: 1; }
.contact-text h4 { color: #212121; font-size: 1.15rem; margin-bottom: 5px; font-weight: 700; }
.contact-text p { color: #555; font-size: 0.95rem; margin: 0; line-height: 1.5; }
.contact-text a { color: #212121; text-decoration: none; font-weight: 600; transition: color 0.3s ease; }
.contact-text a:hover { color: #d32f2f; }

.contact-form-box {
    flex: 1; background-color: #212121; padding: 50px; border-radius: 10px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15); color: #ffffff;
}

.contact-form-box h3 { font-size: 1.8rem; margin-bottom: 10px; color: #ffffff; }
.contact-form-box p { font-size: 0.95rem; color: #bdc3c7; margin-bottom: 30px; }

.main-contact-form .form-row { display: flex; gap: 20px; margin-bottom: 20px; }
.main-contact-form input, .main-contact-form textarea {
    width: 100%; background-color: rgba(255, 255, 255, 0.06); 
    border: 1px solid rgba(255, 255, 255, 0.1); color: #ffffff;
    padding: 16px 20px; border-radius: 5px; font-size: 0.95rem; transition: all 0.3s ease;
}

.main-contact-form input::placeholder, .main-contact-form textarea::placeholder { color: #7f8c8d; }
.main-contact-form input:focus, .main-contact-form textarea:focus {
    outline: none; border-color: #d32f2f; background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(211, 47, 47, 0.3);
}

.main-contact-form textarea { margin-bottom: 25px; resize: vertical; }

.contact-submit-btn {
    background-color: #d32f2f; color: #ffffff; border: none; padding: 18px 40px;
    font-size: 1.05rem; font-weight: 700; border-radius: 5px; cursor: pointer;
    transition: all 0.3s ease; text-transform: uppercase; display: inline-block;
}

.contact-submit-btn:hover {
    background-color: #b71c1c; transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(211, 47, 47, 0.4);
}

/* İletişim Mobil Uyum */
@media (max-width: 992px) {
    .contact-wrapper { flex-direction: column; }
    .contact-info-blocks { flex: auto; }
    .contact-form-box { padding: 30px 20px; }
    .main-contact-form .form-row { flex-direction: column; gap: 20px; }
}


/* ==========================================
   13. FOOTER (ALT BİLGİ VE HARİTA)
========================================== */
.main-site-footer {
    background-color: #212121; color: #ffffff;
    padding-top: 5rem; border-top: 5px solid #c7c9c7; 
}

.footer-grid-layout {
    display: grid; grid-template-columns: 1.5fr 1fr 1.5fr; gap: 50px; padding-bottom: 4rem;
}

.footer-heading {
    color: #ffffff; font-size: 1.3rem; font-weight: 700;
    margin-bottom: 25px; position: relative; padding-bottom: 10px;
}

.footer-heading::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 40px; height: 3px; background-color: #d32f2f;
}

.footer-logo { max-height: 50px; margin-bottom: 25px; }
.footer-about-text { font-size: 0.95rem; color: #bdc3c7; line-height: 1.7; margin-bottom: 30px; }
.footer-about-text strong { color: #d32f2f; }

.footer-social-links { display: flex; gap: 15px; }
.footer-social-links a {
    color: #fff; text-decoration: none; background-color: rgba(255,255,255,0.05);
    width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
    border-radius: 4px; font-weight: 700; transition: all 0.3s ease;
}
.footer-social-links a:hover { background-color: #d32f2f; transform: translateY(-3px); }

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: #bdc3c7; text-decoration: none; font-size: 0.95rem; transition: color 0.3s ease; display: inline-block; }
.footer-links a:hover { color: #d32f2f; padding-left: 5px; }

.google-maps-container {
    border-radius: 8px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); margin-bottom: 15px;
}

.footer-mini-address { font-size: 0.85rem; color: #bdc3c7; }

.footer-copyright-bar { background-color: #1a1a1a; padding: 20px 0; text-align: center; }
.footer-copyright-bar p { margin: 0; font-size: 0.85rem; color: #7f8c8d; }

/* Footer Mobil Uyum */
@media (max-width: 992px) {
    .footer-grid-layout { grid-template-columns: 1fr; gap: 40px; }
    .footer-col { text-align: center; }
    .footer-heading::after { left: 50%; transform: translateX(-50%); }
    .footer-social-links { justify-content: center; }
}


/* ==========================================
   14. YÜZEN WHATSAPP BUTONU
========================================== */
.floating-whatsapp {
    position: fixed; bottom: 30px; right: 30px; 
    display: flex; align-items: center; gap: 15px; 
    z-index: 9999; text-decoration: none; transition: transform 0.3s ease;
}

.floating-whatsapp:hover { transform: translateY(-5px); }

.whatsapp-icon-container {
    background-color: #25D366; width: 60px; height: 60px; border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); position: relative;
    animation: pulse-wa 2s infinite; 
}

.wa-svg { width: 35px; height: 35px; }

.whatsapp-tooltip {
    background-color: #ffffff; color: #212121; padding: 12px 18px;
    border-radius: 8px; font-size: 0.95rem; font-weight: 600;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1); position: relative;
    max-width: 250px; line-height: 1.4; border: 1px solid #eaeaea;
    opacity: 1; visibility: visible;
    animation: hideAfterTenSeconds 0.5s ease 2s forwards; 
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.whatsapp-tooltip::before {
    content: ''; position: absolute; right: -8px; top: 50%;
    transform: translateY(-50%); border-width: 7px 0 7px 8px; 
    border-style: solid; border-color: transparent transparent transparent #ffffff;
}

@keyframes hideAfterTenSeconds { to { opacity: 0; visibility: hidden; } }

.floating-whatsapp:hover .whatsapp-tooltip {
    animation: none; opacity: 1; visibility: visible;
}

@keyframes pulse-wa {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* WhatsApp Mobil Uyum */
@media (max-width: 768px) {
    .floating-whatsapp { bottom: 20px; right: 20px; }
    .whatsapp-tooltip { display: none; }
}

/* SEO ve Okunabilirlik İçin Font Boyutu Güncellemeleri */

/* Tüm sayfadaki temel metin boyutu */
body {
    font-size: 16px; /* İdeal okuma boyutu */
    line-height: 1.6;
}

/* Küçük kalma ihtimali olan alanları düzeltiyoruz */
footer p, 
.footer-bottom p, 
.copyright, 
.contact-text p,
.project-card p {
    font-size: 14px !important; /* Minimum 14px yaparak uyarıyı siliyoruz */
}

/* Mobil cihazlarda yazıların çok küçülmesini engelliyoruz */
@media screen and (max-width: 768px) {
    body {
        font-size: 15px;
    }
    h1 {
        font-size: 28px !important;
    }
    h2 {
        font-size: 24px !important;
    }
}
/* SEO VE OKUNABİLİRLİK GÜNCELLEMELERİ */
body {
    font-size: 16px !important;
    line-height: 1.6;
}
footer p, .copyright, .footer-bottom, .footer-bottom p {
    font-size: 14px !important;
}
@media (max-width: 768px) {
    body { font-size: 15px !important; }
}