/* --- GENEL SIFIRLAMA VE RENK PALETİ --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Tahoma, sans-serif;
    scroll-behavior: smooth;
}

:root {
    color-scheme: dark;
    --bg-dark: #0b1120;
    --bg-card: #1e293b;
    --border-color: #334155;
    --accent-color: #f59e0b;
    --accent-hover: #fbbf24;
    --text-main: #ffffff;
    --text-muted: #f1f5f9;
    --header-bg: rgba(11, 17, 32, 0.95);
    --section-light: #111827;
}

html.light-mode {
    color-scheme: light;
    --bg-dark: #ffffff;
    --bg-card: #e2e8f0;
    --border-color: #cbd5e1;
    --accent-color: #d97706;
    --accent-hover: #b45309;
    --text-main: #0f172a;
    --text-muted: #475569;
    --header-bg: rgba(255, 255, 255, 0.95);
    --section-light: #f8fafc;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    transition: background-color 0.3s, color 0.3s;
}

html:not(.light-mode) header nav a {
    color: #94a3b8;
}

html:not(.light-mode) header .logo {
    color: #f8fafc;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 60px;
    z-index: 1000;
}

header nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

header nav a {
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

header nav a:hover {
    color: var(--accent-color);
}

header nav .iletisim-btn {
    background-color: var(--accent-color);
    color: #fff;
    padding: 10px 22px;
    border-radius: 6px;
    font-weight: 600;
}

.theme-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: inherit;
    font-size: 1.1rem;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.theme-btn:hover {
    border-color: var(--accent-color);
}

.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 60px 20px;
    background-color: var(--bg-dark);
}

html:not(.light-mode) .hero-content h1 {
    color: #f8fafc;
}

html:not(.light-mode) .hero-content p {
    color: #cbd5e1;
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.8rem; /* Boyutu daha da büyük ve dikkat çekici yaptık */
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.15rem;
    margin-bottom: 35px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: #fff;
    padding: 14px 35px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 6px;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.section {
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

html:not(.light-mode) .section h2 {
    color: #f8fafc;
}

html:not(.light-mode) .section-desc {
    color: #94a3b8;
}

.section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-desc {
    text-align: center;
    margin-bottom: 60px;
    font-size: 1.05rem;
}

.bg-light {
    background-color: var(--section-light);
    max-width: 100%;
    width: 100%;
}

.services-grid, .slider-container, .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.service-card {
    cursor: pointer;
}

.service-card, .slide-item, .gallery-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    border-radius: 10px;
    color: var(--text-main);
    transition: transform 0.2s, border-color 0.2s;
}

.service-card:hover, .slide-item:hover, .gallery-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--text-main);
}

.service-card p, .slide-item, .gallery-item {
    color: var(--text-muted);
}

.service-detail-box {
    margin-top: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    color: var(--text-main);
}

.service-detail-box h3 {
    color: var(--text-main);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.service-detail-box p {
    color: var(--text-muted);
}

.about-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 50px;
    border-radius: 12px;
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-main);
}

.about-box p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* --- İLETİŞİM & FOOTER (HARİTA DAHİL) --- */
footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 80px 20px 30px 20px;
    text-align: center;
    color: var(--text-main);
}

.footer-content {
    max-width: 700px;
    margin: 0 auto 40px auto;
    text-align: center;
}

.footer-content h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.footer-content p {
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 1.05rem;
    text-align: center;
}

.footer-content strong {
    color: var(--text-main);
}

.footer-content a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
}

/* Harita Alanı Tasarımı */
.map-container {
    max-width: 700px;
    margin: 0 auto 40px auto;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.map-container iframe {
    width: 100%;
    height: 300px;
    border: 0;
    display: block;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 25px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

/* Üst Menü Logo Tasarımı */
header .logo {
    font-size: 1.6rem; /* Yazıyı büyük yapıyoruz */
    font-weight: 800;  /* Yazıyı kütür kütür koyu/kalın yapıyoruz */
    color: var(--text-main);
}
/* Kaydırılabilir Slider Tasarımı */
.featured-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 20px 0;
    scrollbar-width: thin; /* Firefox için ince kaydırma çubuğu */
}

/* Kaydırma çubuğu tasarımı (Tarayıcıda şık dursun diye) */
.featured-slider::-webkit-scrollbar {
    height: 8px;
}
.featured-slider::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* Kartların Boyut ve Sabit Düzeni */
.featured-slider .project-card {
    flex: 0 0 300px; /* Her kartın sabit genişliği */
    scroll-snap-align: start;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.featured-slider .project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.featured-slider .project-card h3, 
.featured-slider .project-card p {
    padding: 10px 15px;
}
/* 1. Öne Çıkanlar Başlığını Ortala */
#projeler h2 {
    text-align: center;
    margin-bottom: 30px;
}

/* 2. Fotoğrafları Daha Büyük ve Gösterişli Yap */
.featured-slider .project-card {
    flex: 0 0 380px; /* Kartları ve fotoğrafları daha geniş yaptık */
}

.featured-slider .project-card img {
    width: 100%;
    height: 260px; /* Fotoğraf yüksekliğini büyüttük */
    object-fit: cover;
    cursor: pointer; /* Tıklanabilir olduğunu gösteren el imleci */
    transition: transform 0.3s ease;
}

.featured-slider .project-card img:hover {
    transform: scale(1.03); /* Üzerine gelince hafif büyüme efekti */
}

/* 3. Resme Tıklayınca Tam Ekran Açılma (Lightbox Efekti) */
/* Gizli tam ekran penceremiz */
.lightbox-target {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 9999;
}

/* Hedef resme tıklandığında açılma komutu */
.lightbox-target:target {
    opacity: 1;
    pointer-events: auto;
}

/* Tam ekrandaki büyük görsel tasarımı */
.lightbox-target img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
}

/* Kapatma (Çarpı) Butonu */
.lightbox-close {
    position: absolute;
    top: 25px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    text-decoration: none;
    font-weight: bold;
}
/* Ayrı Galeri Sayfası Tasarımı (2'li / 3'lü Geniş Izgara) */
.galeri-sayfasi {
    padding: 50px 0;
    background-color: var(--section-light);
    min-height: 80vh;
}

.galeri-sayfasi h2 {
    text-align: center;
    font-size: 32px;
    color: var(--text-main);
    margin-bottom: 10px;
}

/* 3'lü veya 2'li ferah yerleşim için minmax boyutunu büyüttük */
.detayli-galeri-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.galeri-kutu {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}

.galeri-kutu:hover {
    transform: translateY(-5px);
}

.galeri-kutu img {
    width: 100%;
    height: 280px; /* Fotoğraflar büyük ve net görünecek */
    object-fit: cover;
    display: block;
    cursor: pointer;
}

/* Ana Sayfaya Dönüş Butonu */
.geri-don-btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s;
}

.geri-don-btn:hover {
    background-color: #0056b3;
}
/* Hizmetler Bölümü Genel Tasarım */
.hizmetler-bolumu {
    padding: 60px 0;
    background-color: var(--bg-dark);
}

.hizmetler-bolumu h2 {
    text-align: center;
    font-size: 32px;
    color: var(--text-main);
    margin-bottom: 10px;
}

.bolum-aciklama {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 16px;
}

/* Hizmet Kartları Grid Yapısı */
.hizmetler-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.hizmet-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px 25px;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.hizmet-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    background: var(--bg-card);
    border-color: #007bff;
}

.hizmet-icon {
    font-size: 38px;
    margin-bottom: 15px;
}

.hizmet-card h3 {
    font-size: 20px;
    color: var(--text-main);
    margin-bottom: 12px;
}

.hizmet-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
}

header nav a { color: var(--text-main); }
.featured-slider .project-card p, .galeri-aciklama { color: var(--text-muted); }

/* Fotoğraf görüntüleyici */
body.photo-viewer-open { overflow: hidden; }
.photo-viewer {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: rgba(3, 7, 18, .97);
    color: #fff;
    overflow: hidden;
}
.photo-viewer::backdrop { background: #030712; }
.photo-viewer button {
    min-width: 44px;
    min-height: 44px;
    border: 1px solid #64748b;
    border-radius: 8px;
    background: #1e293b;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    touch-action: manipulation;
}
.photo-viewer button:hover { background: #334155; }
.photo-viewer button:focus-visible { outline: 3px solid #f59e0b; outline-offset: 3px; }
.photo-viewer button:disabled { opacity: .4; cursor: default; }
.photo-toolbar {
    position: absolute;
    top: max(16px, env(safe-area-inset-top));
    left: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 2;
}
.photo-counter { margin-right: auto; font-variant-numeric: tabular-nums; }
.photo-toolbar [data-action="reset"] { font-size: 16px; min-width: 64px; }
.photo-stage {
    position: absolute;
    inset: 80px 72px 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    touch-action: none;
    user-select: none;
    cursor: zoom-in;
}
.photo-stage.is-zoomed { cursor: grab; }
.photo-stage.is-zoomed:active { cursor: grabbing; }
.photo-stage img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    flex-shrink: 0;
    object-fit: contain;
    transform-origin: center;
    user-select: none;
}
.photo-prev, .photo-next { position: absolute; top: 50%; transform: translateY(-50%); z-index: 2; font-size: 36px !important; }
.photo-prev { left: 12px; }
.photo-next { right: 12px; }
.photo-help { position: absolute; bottom: 12px; width: 100%; text-align: center; color: #cbd5e1; font-size: 13px; padding: 0 12px; }
@media (max-width: 600px) {
    .photo-stage { inset: 80px 8px 100px; }
    .photo-prev, .photo-next { top: auto; bottom: 48px; transform: none; }
    .photo-toolbar { gap: 6px; left: 10px; right: 10px; }
    .photo-help { font-size: 11px; }
}

/* Sayfa düzeni ve mobil gezinme */
:root { scroll-padding-top: 110px; }
.container { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
header .header-container { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
header .header-container h1 { font-size: 1.6rem; line-height: 1.3; }
.menu-toggle { display: none; }
.hero { padding-top: 140px !important; }
.galeri-sayfasi { padding-top: 130px; padding-bottom: 70px; }
.galeri-aciklama { text-align: center; }
.projeler-bolumu { padding: 64px 0; }
.hizmetler-bolumu { padding: 72px 0; }
.detayli-galeri-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.hizmetler-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }
.contact-actions { margin: 24px auto 36px; }
.contact-actions p { margin-top: 14px; color: var(--text-muted); font-size: .95rem; }
.quick-contact { position: fixed; bottom: 20px; right: 20px; display: flex; gap: 8px; z-index: 1100; padding: 8px; border: 1px solid var(--border-color); border-radius: 16px; background: var(--header-bg); box-shadow: 0 8px 30px #0003; backdrop-filter: blur(12px); }
.quick-contact a { padding: 12px 18px; border-radius: 10px; background: var(--accent-color); color: #fff; font-weight: 700; text-decoration: none; font-size: .9rem; }
.quick-contact a + a { background: var(--bg-card); color: var(--text-main); }
body.photo-viewer-open .quick-contact { visibility: hidden; }
footer { padding-bottom: 110px; }
a:focus-visible, .menu-toggle:focus-visible, .theme-btn:focus-visible { outline: 3px solid var(--accent-color); outline-offset: 4px; }
@media (max-width: 1050px) {
    header { padding: 16px 20px; gap: 12px; }
    header .logo, header .header-container h1 { font-size: 1.2rem; max-width: 70%; }
    .menu-toggle { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; min-height: 44px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-card); color: var(--text-main); cursor: pointer; font-size: 1rem; margin-left: auto; }
    header nav { display: none; position: absolute; left: 0; right: 0; top: 100%; padding: 20px; flex-direction: column; align-items: stretch; gap: 8px; background: var(--header-bg); border-bottom: 1px solid var(--border-color); box-shadow: 0 12px 20px #0002; }
    header nav.is-open { display: flex; }
    header nav a { padding: 10px 12px; }
    header nav .theme-btn { align-self: flex-start; }
}
@media (max-width: 600px) {
    .container { width: calc(100% - 32px); }
    .hero h1 { font-size: 32px !important; }
    .hero { padding-top: 120px !important; }
    .featured-slider .project-card { flex-basis: 86%; }
    .quick-contact { left: 12px; right: 12px; bottom: max(10px, env(safe-area-inset-bottom)); justify-content: center; }
    .quick-contact a { flex: 1; text-align: center; padding: 12px 8px; }
    .galeri-sayfasi h2, .hizmetler-bolumu h2 { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* Dar ekranlarda başlık ve menü düğmesi aynı satırda kalır. */
@media (max-width: 1050px) {
    header { min-height: 72px; }
    header .header-container { gap: 10px; min-width: 0; }
    header .logo, header .header-container h1 {
        flex: 1 1 auto;
        min-width: 0;
        max-width: none;
        font-size: clamp(12px, 3.8vw, 20px);
        line-height: 1.3;
        white-space: nowrap;
        letter-spacing: -.4px;
    }
    .menu-toggle { flex: 0 0 auto; white-space: nowrap; }
    header nav { max-height: calc(100dvh - 90px); overflow-y: auto; }
}
@media (max-width: 360px) {
    header { padding-inline: 12px; gap: 8px; }
    .menu-toggle { padding-inline: 10px; }
    .menu-toggle span { display: none; }
}