/* ================= VARIABLES ================= */
:root {
    --primary: #FFC107;
    --primary-dark: #FFA000;
    --black: #0A0A0A;
    --dark: #121212;
    --dark-gray: #1E1E1E;
    --gray: #F5F5F7;
    --text: #4A4A4A;
    --text-light: #888888;
    --white: #FFFFFF;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ================= RESET & BASE ================= */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--white); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* Utilities */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.text-yellow { color: var(--primary); }
.text-white { color: var(--white); }
.text-black { color: var(--black); }
.text-gray { color: var(--text-light); }
.bg-light { background: var(--gray); }
.bg-dark { background: var(--dark); }
.bg-black { background: var(--black); }
.bg-yellow { background: var(--primary); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.d-block { display: block; }
.text-center { text-align: center; }
.grid { display: grid; gap: 30px; }

/* ================= TYPOGRAPHY & BUTTONS ================= */
h1, h2, h3, h4, h5 { color: var(--black); font-weight: 700; line-height: 1.2; }
.bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--white); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 15px; letter-spacing: -0.5px; }
.section-header p { font-size: 1.1rem; color: var(--text); max-width: 600px; margin: 0 auto; }
.bg-dark .section-header p { color: var(--text-light); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 12px 24px; border-radius: 50px; font-weight: 600; font-size: 1rem;
    cursor: pointer; border: none; transition: var(--transition);
}
.btn i { width: 20px; height: 20px; }
.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: var(--dark-gray); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-yellow { background: var(--primary); color: var(--black); }
.btn-yellow:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-large { padding: 16px 32px; font-size: 1.1rem; }

/* ================= HEADER (ŞEFFAF VE BÜTÜNLEŞİK) ================= */
.header { 
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100; 
    transition: var(--transition); padding: 25px 0; 
    background: transparent; 
}
.header .logo-main { color: var(--white); }
.header .nav-links a { color: var(--white); font-weight: 500; position: relative; }
.header .mobile-menu-btn { color: var(--white); }


/* ================= HEADER (ŞEFFAF, BÜTÜNLEŞİK & ADRES EKLİ) ================= */
.header { 
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100; 
    transition: var(--transition); padding: 20px 0; 
    background: transparent; 
}
.header .logo-main { color: var(--white); }
.header .nav-links a { color: var(--white); font-weight: 500; position: relative; }
.header .mobile-menu-btn { color: var(--white); }

/* Header İletişim Grubu */
.header-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Telefon Yanındaki Adres Linki */
.header-address {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 8px 14px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition);
}

.header-address i {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.header-address:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    transform: translateY(-1px);
}

/* Sayfa Aşağı Kaydırıldığında (Scrolled Header) */
.header.scrolled { 
    padding: 12px 0; 
    background: rgba(10, 10, 10, 0.95); 
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5); 
}
.header.scrolled .logo-main { color: var(--white); }
.header.scrolled .nav-links a { color: var(--white); }
.header.scrolled .mobile-menu-btn { color: var(--white); }

.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.nav-links { display: flex; gap: 30px; }
.nav-links a:hover { color: var(--primary); }
.nav-links a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
.nav-links a:hover::after { width: 100%; }
.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; }

/* BEYAZA DÖNME İPTAL EDİLDİ - ARTIK KOYU VE ŞIK BİR GÖRÜNÜM ALACAK */
.header.scrolled { 
    padding: 15px 0; 
    background: rgba(10, 10, 10, 0.95); 
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5); 
}
.header.scrolled .logo-main { color: var(--white); }
.header.scrolled .nav-links a { color: var(--white); }
.header.scrolled .mobile-menu-btn { color: var(--white); }

.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.nav-links { display: flex; gap: 30px; }
.nav-links a:hover { color: var(--primary); }
.nav-links a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
.nav-links a:hover::after { width: 100%; }
.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; }

/* ================= YENİ LOGO TASARIMI ================= */
.logo-stacked { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: center; 
    line-height: 1; 
    text-align: center;
}
.logo-main { 
    font-size: 1.8rem; 
    font-weight: 900; 
    letter-spacing: 1px; 
    transition: var(--transition);
}
.logo-sub { 
    font-size: 0.75rem; 
    font-weight: 800; 
    letter-spacing: 2px; 
    color: var(--primary); 
    text-transform: uppercase; 
    margin-top: 4px; 
}
.footer .logo-main { color: var(--white); }

/* ================= YENİ HERO & SLIDER ================= */
.hero { 
    position: relative; 
    min-height: 100vh; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    overflow: hidden; 
}

/* Slider Kapsayıcı */
.hero-slider { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: -2; 
    background-color: #222; 
}

/* Tekil Slaytlar */
.slide { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background-size: cover; 
    background-position: center; 
    opacity: 0; 
    transform: scale(1);
    transition: opacity 1.5s ease-in-out, transform 6s linear; 
}

/* Aktif Slayt Görünümü */
.slide.active { 
    opacity: 1; 
    transform: scale(1.05); /* Premium hafif yakınlaşma efekti */
}

/* Görsellerin net görünmesi için hafifletilmiş, gradient overlay */
.hero-overlay-light { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.7)); 
    z-index: -1; 
}

.hero-content { 
    position: relative;
    z-index: 1;
    color: var(--white); 
    max-width: 800px; 
    padding-top: 60px; 
}

.hero h1 { 
    color: var(--white); 
    font-size: 4.5rem; 
    letter-spacing: -1.5px; 
    margin-bottom: 25px; 
    text-shadow: 0 4px 15px rgba(0,0,0,0.6); 
}

/* ================= SECTIONS ================= */
.section { padding: 100px 0; }
.services-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card { background: var(--white); padding: 40px; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: var(--transition); text-align: left; }
.card:hover { transform: translateY(-10px); box-shadow: var(--shadow-md); }
.card-icon { color: var(--primary); width: 40px; height: 40px; margin-bottom: 20px; }
.card h3 { margin-bottom: 15px; font-size: 1.3rem; }

.why-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.glass-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); padding: 30px; border-radius: var(--radius-md); transition: var(--transition); }
.glass-card:hover { background: rgba(255,255,255,0.08); border-color: var(--primary); }
.glass-card i { width: 32px; height: 32px; margin-bottom: 15px; }

.process-flex { display: flex; justify-content: space-between; align-items: flex-start; text-align: center; flex-wrap: wrap; gap: 20px; }
.process-step { flex: 1; min-width: 250px; }
.step-circle { width: 70px; height: 70px; background: var(--black); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; font-weight: 800; margin: 0 auto 20px; box-shadow: var(--shadow-sm); }
.process-line { flex: 1; height: 2px; background: #ddd; margin-top: 35px; min-width: 50px; }

.stats-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); text-align: center; }
.stat-item .counter { display: inline-block; font-size: 3rem; font-weight: 800; letter-spacing: -1px; }
.stat-item span { font-size: 3rem; font-weight: 800; }
.stat-item p { font-weight: 600; text-transform: uppercase; font-size: 0.9rem; letter-spacing: 1px; }

.areas-wrapper { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }
.area-badge { padding: 12px 24px; background: var(--gray); border-radius: 50px; font-weight: 600; cursor: default; transition: var(--transition); }
.area-badge:hover { background: var(--black); color: var(--white); }
.area-badge.active { background: var(--primary); color: var(--black); }

/* ================= YILDIZLAR VE YORUMLAR ================= */
.reviews-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.review-card { background: var(--white); padding: 40px; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.stars { margin-bottom: 15px; display: flex; gap: 4px; }

/* YILDIZLARIN İÇİNİ SARI YAPAN KOD */
.stars svg { 
    fill: var(--primary) !important; 
    stroke: none !important; 
    color: var(--primary) !important; 
    width: 18px; 
    height: 18px; 
}
.review-card p { font-style: italic; margin-bottom: 20px; color: var(--black); }

.cta-section { padding: 120px 0; }
.footer { padding: 80px 0 20px; }
.footer-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 60px; }
.footer-col h4 { color: var(--white); margin-bottom: 25px; }
.footer-col ul li { margin-bottom: 15px; }
.footer-col ul li a:hover { color: var(--primary); }
.contact-list li { display: flex; align-items: center; gap: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 0.9rem; }

/* Mobil Menü (Tam sayfa karanlık/açık menü) */
.mobile-nav { position: fixed; top: 0; right: -100%; width: 300px; height: 100vh; background: var(--white); z-index: 1000; box-shadow: -5px 0 30px rgba(0,0,0,0.1); transition: 0.4s ease; padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.mobile-nav.active { right: 0; }
.close-menu { position: absolute; top: 20px; right: 20px; background: none; border: none; cursor: pointer; color: var(--black); }
.mobile-links { display: flex; flex-direction: column; gap: 20px; font-size: 1.5rem; font-weight: 700; color: var(--black); }