/* Lider Grup - Ana Tasarım Sistemi & CSS */

/* 1. Global Reset & Değişkenler */
:root {
    --bg-dark: #0c0f17;
    --bg-darker: #07090e;
    --bg-card: rgba(22, 28, 45, 0.5);
    --bg-card-hover: rgba(28, 36, 58, 0.7);
    --gold: #d4af37;
    --gold-hover: #bda030;
    --gold-glow: rgba(212, 175, 55, 0.3);
    --gold-gradient: linear-gradient(135deg, #b38728 0%, #fbf5b7 50%, #9e721d 100%);
    --silver-gradient: linear-gradient(135deg, #7f8c8d 0%, #f5f6fa 50%, #34495e 100%);
    --text-white: #ffffff;
    --text-gray: #a0a5b5;
    --text-muted: #676b75;
    --border: rgba(212, 175, 55, 0.15);
    --border-hover: rgba(212, 175, 55, 0.35);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: var(--gold);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold-hover);
}

/* Başlıklar & Tipografi */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.5px;
}

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

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

/* 2. Ortak Butonlar */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    gap: 8px;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--bg-darker);
    border: none;
    box-shadow: 0 4px 15px var(--gold-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border: 1px solid var(--gold);
}

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

/* 3. Navigasyon Çubuğu (Navbar) */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 25px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(12, 15, 23, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo img {
    height: 48px;
    transition: var(--transition);
    mix-blend-mode: screen;
}

.navbar.scrolled .nav-logo img {
    height: 38px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-menu a {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-gray);
    position: relative;
    padding: 5px 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-white);
}

/* Altın sarısı aktif çizgi efekti */
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-gradient);
    transition: var(--transition);
}

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

.admin-link-btn {
    border: 1px solid rgba(212,175,55,0.4);
    padding: 6px 12px !important;
    border-radius: 4px;
}

.admin-link-btn:hover {
    background: rgba(212,175,55,0.15);
}

.logout-link-btn {
    border: 1px solid rgba(231, 76, 60, 0.4);
    color: #e74c3c !important;
    padding: 6px 12px !important;
    border-radius: 4px;
}
.logout-link-btn:hover {
    background: rgba(231, 76, 60, 0.15);
    color: #ff6b6b !important;
}

.login-link-btn {
    background: var(--gold-gradient);
    color: var(--bg-darker) !important;
    padding: 6px 12px !important;
    border-radius: 4px;
    font-weight: 600 !important;
}

.login-link-btn::after {
    display: none !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-white);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hamburger Animasyonu */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 4. Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 50%, rgba(12, 15, 23, 0.2) 0%, rgba(12, 15, 23, 0.95) 80%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 80px;
}

.hero-content span {
    color: var(--gold);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 2px;
    font-size: 14px;
    margin-bottom: 15px;
    display: inline-block;
}

.hero-content h1 {
    font-size: 3.8rem;
    line-height: 1.1;
    margin-bottom: 25px;
    max-width: 700px;
}

.hero-content h1 strong {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 35px;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 15px;
}

/* 5. Anasayfa Sayfa Bölümleri */
.section {
    padding: 100px 0;
    position: relative;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header span {
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 13px;
    font-weight: 600;
    display: block;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gold-gradient);
}

/* Hakkımızda Slider Alanı */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-white);
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 20px;
    font-size: 15px;
}

/* 3D Görünümlü Slider */
.slider-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    height: 350px;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
}

.slide.active {
    opacity: 1;
}

.slider-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-btn {
    background: rgba(12, 15, 23, 0.8);
    border: 1px solid var(--gold);
    color: var(--gold);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.slider-btn:hover {
    background: var(--gold-gradient);
    color: var(--bg-darker);
}

/* 6. Hizmetler (3D Tilt Kartlar) */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.tilt-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.1s ease-out, border 0.3s ease, background 0.3s ease;
    transform-style: preserve-3d;
    will-change: transform;
}

.tilt-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 25px;
    display: inline-block;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: translateZ(50px);
}

.tilt-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    transform: translateZ(30px);
}

.tilt-card p {
    color: var(--text-gray);
    font-size: 14px;
    transform: translateZ(20px);
}

/* 7. Yaptığımız İşler Sayfası (Karanlık Harita Tasarımı) */
.map-page-header {
    padding-top: 150px;
    padding-bottom: 40px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--border);
}

.map-page-header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.map-page-header p {
    color: var(--text-gray);
}

.map-section {
    position: relative;
    height: 70vh;
    min-height: 500px;
    border-bottom: 1px solid var(--border);
}

#map {
    width: 100%;
    height: 100%;
    z-index: 10;
}

/* Harita Popup Stil Özelleştirmeleri (Koyu/Altın Temaya Uyum) */
.leaflet-popup-content-wrapper {
    background: rgba(12, 15, 23, 0.95) !important;
    backdrop-filter: blur(10px);
    color: var(--text-white) !important;
    border: 1px solid var(--gold) !important;
    border-radius: 8px !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5) !important;
}

.leaflet-popup-tip {
    background: rgba(12, 15, 23, 0.95) !important;
    border-left: 1px solid var(--gold);
    border-bottom: 1px solid var(--gold);
}

.leaflet-popup-close-button {
    color: var(--gold) !important;
}

.map-popup-card {
    padding: 10px 5px;
    max-width: 280px;
}

.map-popup-card h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--gold);
}

.map-popup-card p {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 10px;
}

.map-popup-card .btn-popup {
    background: var(--gold-gradient);
    color: var(--bg-darker);
    border: none;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 3px;
    cursor: pointer;
    width: 100%;
    text-transform: uppercase;
    text-align: center;
}

/* Harita Altı Projeler Listesi */
.project-list-section {
    padding: 80px 0;
    background: var(--bg-darker);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.project-card-img {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.project-card-img::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 60%, rgba(12,15,23,0.9) 100%);
}

.project-card-content {
    padding: 25px;
}

.project-card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-white);
}

.project-card-content p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.project-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 15px;
}

.project-card-meta span i {
    color: var(--gold);
    margin-right: 5px;
}

/* Galeri Modalı / Lightbox */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 9, 14, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: var(--text-white);
    font-size: 30px;
    cursor: pointer;
    z-index: 10010;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--gold);
}

.modal-body {
    padding: 30px;
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--gold);
}

.modal-desc {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 25px;
}

/* Modaldaki Resim Galerisi (Kaydırmalı) */
.gallery-container {
    position: relative;
    height: 450px;
    border-radius: 6px;
    overflow: hidden;
}

.gallery-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.gallery-slide.active {
    opacity: 1;
}

.gallery-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(12, 15, 23, 0.8);
    color: var(--text-white);
    border: 1px solid var(--border);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
    z-index: 10;
}

.gallery-btn:hover {
    background: var(--gold-gradient);
    color: var(--bg-darker);
    border-color: var(--gold);
}

.gallery-btn-prev {
    left: 15px;
}

.gallery-btn-next {
    right: 15px;
}

/* 8. Footer (Alt Bilgi) Tasarımı */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
    padding: 80px 0 30px 0;
}

.footer-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.brand-col .footer-logo {
    height: 54px;
    margin-bottom: 20px;
    mix-blend-mode: screen;
}

.brand-col p {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 25px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gold-gradient);
    color: var(--bg-darker);
    border-color: var(--gold);
    transform: translateY(-3px);
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--gold);
    position: relative;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gold-gradient);
}

.links-col ul,
.contact-col ul {
    list-style: none;
}

.links-col li {
    margin-bottom: 12px;
}

.links-col a {
    color: var(--text-gray);
    font-size: 14px;
}

.links-col a:hover {
    color: var(--gold);
    padding-left: 5px;
}

.contact-col li {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.contact-col i {
    color: var(--gold);
    margin-top: 4px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 13px;
}

/* 9. Mobil ve Responsive Uyum Kısıtlamaları (KAYMALARI ENGELLER) */

@media (max-width: 991px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
    
    .brand-col {
        grid-column: span 2;
    }
}

@media (max-width: 767px) {
    .navbar {
        padding: 15px 0;
        background: rgba(12, 15, 23, 0.95);
        border-bottom: 1px solid var(--border);
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 78px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 78px);
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
        border-top: 1px solid var(--border);
        padding-bottom: 80px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        font-size: 20px;
    }
    
    .hero-content h1 {
        font-size: 2.3rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .brand-col {
        grid-column: span 1;
    }
    
    .gallery-container {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .slider-container {
        height: 250px;
    }
}

/* 10. Genel Form Tasarımları (Bize Ulaşın ve Diğer Formlar için) */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-family: var(--font-heading);
    color: var(--text-gray);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background: rgba(12, 15, 23, 0.6) !important;
    border: 1px solid var(--border) !important;
    border-radius: 4px;
    padding: 12px 16px;
    color: var(--text-white) !important;
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--gold) !important;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.15);
}

/* 11. Bize Ulaşın Grid Düzeni */
.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
    align-items: start;
}

@media (max-width: 991px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}