/* ==========================================================================
   Mersin Yangın Sistemleri - Modern & Premium Kurumsal Tasarım Sistemi
   ========================================================================== */

/* 1. Google Fonts Entegrasyonu (Outfit & Inter) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* 2. Değişkenler ve Renk Paleti */
:root {
    --primary: #E50914;         /* Canlı Yangın Kırmızısı */
    --primary-hover: #C40811;   /* Koyu Kırmızı (Hover için) */
    --primary-rgb: 229, 9, 20;  /* RGB Kırmızı (Gölgeler için) */
    --secondary: #1A1A1A;       /* Gece Siyahı */
    --secondary-light: #2A2A2A; /* Açık Antrasit */
    --text-dark: #1F2937;       /* Koyu Metin */
    --text-muted: #6B7280;      /* Silik Metin */
    --bg-white: #FFFFFF;        /* Saf Beyaz */
    --bg-light: #F8F9FA;        /* Yumuşak Açık Gri */
    --bg-card: #FFFFFF;         /* Kart Arka Planı */
    --border-color: #E5E7EB;    /* İnce Kenarlık */
    --whatsapp: #25D366;        /* WhatsApp Yeşili */
    --whatsapp-hover: #20BA56;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-red: 0 10px 20px -5px rgba(229, 9, 20, 0.3);
    
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    --container-width: 1200px;
}

/* 3. Genel Reset ve Temel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.25;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* 4. Ortak Bileşenler ve Yardımcı Sınıflar */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.section-bg {
    background-color: var(--bg-light);
}

.text-center {
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    background-color: rgba(229, 9, 20, 0.08);
    border-radius: 50px;
    margin-bottom: 1rem;
    border: 1px solid rgba(229, 9, 20, 0.15);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-title span {
    color: var(--primary);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3.5rem auto;
}

/* Buton Tasarımları */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.95rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--bg-white);
    box-shadow: var(--shadow-red);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -5px rgba(229, 9, 20, 0.5);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--bg-white);
}

.btn-secondary:hover {
    background-color: #000000;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--secondary);
}

.btn-outline:hover {
    background-color: var(--secondary);
    border-color: var(--secondary);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.btn-white {
    background-color: var(--bg-white);
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-whatsapp {
    background-color: var(--whatsapp);
    color: var(--bg-white);
    box-shadow: 0 10px 20px -5px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: var(--whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -5px rgba(37, 211, 102, 0.5);
}

.btn-sm {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
}

/* 5. Üst Bilgi Barı (Topbar) */
.topbar {
    background-color: var(--secondary);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--secondary-light);
}

.topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-info {
    display: flex;
    gap: 1.5rem;
}

.topbar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-item i {
    color: var(--primary);
}

.topbar-socials {
    display: flex;
    gap: 1rem;
}

.topbar-socials a:hover {
    color: var(--primary);
}

/* 6. Yapışkan Navbar (Header) */
.header-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    transition: var(--transition-normal);
}

.header-nav.scrolled {
    padding: 0.6rem 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Tasarımı */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.03em;
}

.logo span {
    color: var(--primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background-color: var(--primary);
    border-radius: 10px;
    color: var(--bg-white);
    font-size: 1.25rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-red);
}

/* Marka Logo Görseli Kuralları */
.brand-logo-img {
    width: auto;
    object-fit: contain;
    max-height: none;
    display: block;
    transition: var(--transition-normal);
}

/* Navbar Logo Görseli (PC için) */
.navbar-logo-img {
    height: 185px;
    margin: -60px -40px;
}

/* Footer Logo Görseli (PC için) */
.footer-logo-img {
    height: 140px;
    margin: -40px -25px;
}

/* Menü Linkleri */
.nav-menu {
    display: flex;
    gap: 2.25rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--secondary);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-normal);
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Mobil Menü Butonu */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1100;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2.5px;
    margin: 5px 0;
    background-color: var(--secondary);
    transition: var(--transition-normal);
}

/* 7. Hero Bölümü (Giriş) */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background-color: var(--secondary);
    color: var(--bg-white);
    padding: 8rem 0;
    overflow: hidden;
}

/* Hero Arka Plan Efektleri */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(229, 9, 20, 0.15) 0%, rgba(0, 0, 0, 0) 60%),
                linear-gradient(135deg, rgba(26, 26, 26, 0.95) 30%, rgba(0, 0, 0, 0.8) 100%);
    z-index: 1;
}

.hero-bg-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(229, 9, 20, 0.12) 0%, rgba(229, 9, 20, 0) 70%);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    filter: blur(80px);
    z-index: 1;
    animation: floatGlow 15s infinite alternate ease-in-out;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(229, 9, 20, 0.15);
    border: 1px solid rgba(229, 9, 20, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero-tag i {
    animation: pulseGlow 1.5s infinite;
}

.hero-title {
    font-size: 3.8rem;
    color: var(--bg-white);
    margin-bottom: 1.5rem;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.hero-title span {
    color: var(--primary);
    position: relative;
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.hero-feature-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.hero-feature-count {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.hero-feature-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Hero Görsel Alanı (Vektörel Modern Tasarım) */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-shield {
    width: 100%;
    max-width: 400px;
    height: 440px;
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.15) 0%, rgba(229, 9, 20, 0.03) 100%);
    border: 2px solid rgba(229, 9, 20, 0.3);
    border-radius: 50% 50% 50% 50% / 12% 12% 88% 88%; /* Kalkan Formu */
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.5), inset 0 0 40px rgba(229, 9, 20, 0.1);
    animation: floatVisual 6s infinite ease-in-out;
}

.visual-core {
    width: 140px;
    height: 140px;
    background-color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), 0 0 50px rgba(229, 9, 20, 0.4);
    position: relative;
    z-index: 5;
}

.visual-core i {
    font-size: 4rem;
    color: var(--primary);
    animation: pulseIcon 2s infinite alternate ease-in-out;
}

.visual-circle-1 {
    position: absolute;
    border: 1px dashed rgba(229, 9, 20, 0.4);
    border-radius: 50%;
    width: 240px;
    height: 240px;
    animation: rotateClockwise 20s infinite linear;
}

.visual-circle-2 {
    position: absolute;
    border: 2px solid rgba(225, 225, 225, 0.05);
    border-radius: 50%;
    width: 320px;
    height: 320px;
    animation: rotateCounterClockwise 30s infinite linear;
}

.visual-badge {
    position: absolute;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
    z-index: 6;
}

.badge-1 {
    top: 50px;
    left: -20px;
}

.badge-2 {
    bottom: 80px;
    right: -10px;
}

.visual-badge i {
    width: 32px;
    height: 32px;
    background-color: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
}

.visual-badge-text {
    display: flex;
    flex-direction: column;
}

.visual-badge-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
}

.visual-badge-desc {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
}

/* 8. Hizmetler (Dinamik Sekmeli Tasarım - Tabbed UI) */
.services-tabs-container {
    margin-top: 2rem;
}

/* Sekme Başlıkları (Tab Headers) */
.services-tab-headers {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.tab-header {
    background: none;
    border: none;
    padding: 1rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-normal);
}

.tab-header i {
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.tab-header:hover {
    color: var(--secondary);
    background-color: rgba(0, 0, 0, 0.02);
}

.tab-header.active {
    color: var(--bg-white);
    background-color: var(--primary);
    box-shadow: var(--shadow-red);
}

.tab-header.active i {
    transform: scale(1.1);
}

/* Sekme İçerikleri (Tab Contents) */
.services-tab-contents {
    position: relative;
    min-height: 400px;
}

.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow) ease, transform var(--transition-slow) ease;
}

.tab-content.active {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
    opacity: 1;
    transform: translateY(0);
}

.tab-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.tab-title {
    font-size: 2rem;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.tab-description {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.tab-features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    width: 100%;
    margin-bottom: 2.5rem;
}

.tab-feature-point {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
}

.tab-feature-point i {
    color: var(--primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* Sekme İllüstrasyon / Kart Alanı */
.tab-showcase {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
    background-color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hizmet Kartı Gövdesi (CSS Tabanlı Görsel Oluşturma) */
.showcase-visual {
    width: 100%;
    height: 100%;
    position: relative;
    background: linear-gradient(135deg, #2D1A1C 0%, #1A1A1A 100%);
    display: flex;
    justify-content: center;
    align-items: center;
}

.showcase-icon-box {
    width: 120px;
    height: 120px;
    background: rgba(229, 9, 20, 0.1);
    border: 2px solid rgba(229, 9, 20, 0.4);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: var(--primary);
    box-shadow: 0 0 30px rgba(229, 9, 20, 0.2);
    position: relative;
    z-index: 2;
    animation: pulseIcon 3s infinite alternate ease-in-out;
}

.showcase-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(229, 9, 20, 0.15) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.5;
    z-index: 1;
}

/* 9. Neden Biz? (Özellikler - Features) */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background-color: rgba(229, 9, 20, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon-wrapper {
    background-color: var(--primary);
    color: var(--bg-white);
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* 10. Hızlı İletişim Orta Banner (CTA Banner Section) */
.cta-banner {
    position: relative;
    background-color: var(--secondary);
    color: var(--bg-white);
    padding: 6rem 0;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(229, 9, 20, 0.2) 0%, rgba(0, 0, 0, 0) 60%),
                linear-gradient(90deg, #1A1A1A 0%, #000000 100%);
    z-index: 1;
}

.cta-banner .container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

.cta-banner-content {
    max-width: 650px;
}

.cta-banner-title {
    font-size: 2.25rem;
    color: var(--bg-white);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.cta-banner-title span {
    color: var(--primary);
}

.cta-banner-desc {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.1rem;
}

.cta-banner-actions {
    display: flex;
    gap: 1.25rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

/* 11. Müşteri Yorumları (Testimonials) */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.testimonial-rating {
    color: #FFC107;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.testimonial-text {
    color: var(--text-dark);
    font-size: 1rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.user-info h4 {
    font-size: 1rem;
    margin-bottom: 0.1rem;
}

.user-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 12. Sıkça Sorulan Sorular (SSS - Accordion) */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-header {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--secondary);
    transition: var(--transition-normal);
}

.faq-header:hover {
    background-color: rgba(0, 0, 0, 0.01);
    color: var(--primary);
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--secondary);
    transition: var(--transition-normal);
    flex-shrink: 0;
}

.faq-item.open {
    border-color: var(--primary);
    box-shadow: 0 4px 20px -5px rgba(229, 9, 20, 0.1);
}

.faq-item.open .faq-header {
    color: var(--primary);
}

.faq-item.open .faq-icon {
    background-color: var(--primary);
    color: var(--bg-white);
    transform: rotate(180deg);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease;
}

.faq-content {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    border-top: 1px solid rgba(0,0,0,0.02);
}

/* 13. Alt Bilgi (Footer) */
.footer {
    background-color: var(--secondary);
    color: rgba(255, 255, 255, 0.7);
    padding: 5rem 0 2rem 0;
    border-top: 4px solid var(--primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-logo {
    color: var(--bg-white);
}

.footer-logo-desc {
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-social-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--bg-white);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.footer-socials {
    display: flex;
    gap: 0.75rem;
}

.footer-social-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: var(--secondary-light);
    color: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.footer-social-icon:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--bg-white);
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links a {
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 0.25rem;
}

.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-contact-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.footer-contact-item i {
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 0.2rem;
}

.footer-contact-text {
    font-size: 0.95rem;
}

.footer-contact-text a:hover {
    color: var(--primary);
}

/* Harita ve Alt Bilgi Altı (Map & Bottom) */
.footer-map-container {
    width: 100%;
    height: 180px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(1) invert(0.9) contrast(1.2); /* Koyu Tema Harita Efekti */
}

.footer-bottom {
    border-top: 1px solid var(--secondary-light);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
}

.footer-copyright span {
    color: var(--primary);
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a:hover {
    color: var(--primary);
}

/* 14. Sabit Canlı İletişim Butonları (Floating Dual CTAs) */
.floating-ctas {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    position: relative;
    cursor: pointer;
    transition: var(--transition-normal);
}

.floating-btn:hover {
    transform: translateY(-5px) scale(1.05);
}

.floating-btn-phone {
    background-color: var(--primary);
    box-shadow: 0 8px 24px rgba(229, 9, 20, 0.4);
}

.floating-btn-phone::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--primary);
    opacity: 0.4;
    z-index: -1;
    animation: buttonPulse 2s infinite;
}

.floating-btn-whatsapp {
    background-color: var(--whatsapp);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.floating-btn-whatsapp::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--whatsapp);
    opacity: 0.4;
    z-index: -1;
    animation: buttonPulse 2s infinite 0.7s;
}

.floating-tooltip {
    position: absolute;
    right: 70px;
    background-color: var(--secondary);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.floating-tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -5px;
    transform: translateY(-50%);
    border-width: 5px 0 5px 5px;
    border-style: solid;
    border-color: transparent transparent transparent var(--secondary);
}

.floating-btn:hover .floating-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* 15. CSS Animasyonları */
@keyframes floatVisual {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes floatGlow {
    0% { transform: translateY(0px) scale(1); }
    100% { transform: translateY(-40px) scale(1.1); }
}

@keyframes rotateClockwise {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes rotateCounterClockwise {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

@keyframes pulseIcon {
    0% { transform: scale(1); filter: drop-shadow(0 0 5px rgba(229, 9, 20, 0.4)); }
    100% { transform: scale(1.05); filter: drop-shadow(0 0 15px rgba(229, 9, 20, 0.8)); }
}

@keyframes pulseGlow {
    0% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 0.6; }
}

@keyframes buttonPulse {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Scroll Animasyonları İçin Hazırlık Sınıfları */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* 16. Medya Sorguları (Responsive Tasarım) */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 4rem;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-desc {
        max-width: 100%;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .hero-features {
        justify-content: center;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .tab-content.active {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .tab-text {
        align-items: center;
        text-align: center;
    }
    
    .tab-showcase {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    .footer-col:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .topbar {
        display: none; /* Mobilde topbar gizlenir */
    }
    
    .header-nav {
        padding: 0.8rem 0;
    }
    
    .navbar-logo-img {
        height: 135px;
        margin: -40px -25px;
    }

    .footer-logo-img {
        height: 100px;
        margin: -25px -15px;
    }
    
    .nav-menu {
        position: fixed;
        top: 65px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 65px);
        background-color: var(--bg-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 3rem;
        gap: 2rem;
        transition: var(--transition-slow);
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        z-index: 999;
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .nav-actions {
        display: none; /* Mobilde navbar arama butonu gizlenir, floating butonlar devralır */
    }
    
    .mobile-toggle {
        display: block;
    }
    
    /* Hamburger animasyonu */
    .mobile-toggle.open .hamburger-line:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
    }
    
    .mobile-toggle.open .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.open .hamburger-line:nth-child(3) {
        transform: translateY(-7.5px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .cta-banner .container {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-banner-actions {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-col:first-child {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .floating-ctas {
        bottom: 20px;
        right: 20px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .floating-tooltip {
        display: none; /* Mobilde tooltip gizlenir */
    }
}

@media (max-width: 480px) {
    .section {
        padding: 4rem 0;
    }
    
    .hero {
        padding: 5rem 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-btns {
        width: 100%;
    }
    
    .hero-btns .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-features-list {
        grid-template-columns: 1fr;
    }
}
