:root {
    --koyu: #181c21;
    --turuncu: #c74201;
    --turuncu-acik: #e35f1e;
    --turuncu-soft: #fdece2;
    --metal: #7d8b96;
    --metal-acik: #c7ced4;
    --beyaz: #ffffff;
    --gri-bg: #f5f5f4;
    --metin: #23262b;
    --font: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font);
    color: var(--metin);
    background: var(--beyaz);
    line-height: 1.6;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- HEADER ---------- */
.site-header {
    background: var(--beyaz);
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 14px rgba(24,28,33,.08);
    border-bottom: 3px solid var(--turuncu);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 90px; }
.logo { display: flex; align-items: center; height: 64px; }
.logo img { height: 100%; width: auto; display: block; }

.nav-menu { display: flex; gap: 28px; align-items: center; }
.nav-menu > a, .nav-dropdown > a { color: var(--koyu); font-weight: 600; font-size: 15px; padding: 8px 0; transition: color .2s; }
.nav-menu > a:hover, .nav-dropdown > a:hover, .nav-menu > a.aktif { color: var(--turuncu); }
.nav-dropdown { position: relative; }
.dropdown-menu { position: absolute; top: 100%; left: -20px; background: var(--beyaz); min-width: 240px; border-radius: 8px; box-shadow: 0 10px 30px rgba(24,28,33,.15); padding: 10px 0; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s; z-index: 50; border-top: 2px solid var(--turuncu); }
.nav-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; padding: 10px 20px; color: var(--metin); font-size: 14px; }
.dropdown-menu a:hover { background: var(--gri-bg); color: var(--turuncu); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.btn-tel { background: var(--turuncu); color: var(--beyaz) !important; padding: 10px 18px; border-radius: 30px; font-weight: 600; font-size: 14px; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.hamburger span { width: 26px; height: 3px; background: var(--koyu); border-radius: 3px; }

/* ---------- HERO ---------- */
.hero {
    background: linear-gradient(135deg, rgba(24,28,33,.93), rgba(199,66,1,.82)), url('../img/hero-bg.jpg') center/cover;
    color: var(--beyaz); padding: 110px 0 90px; text-align: center;
}
.hero h1 { font-size: 42px; font-weight: 800; margin-bottom: 18px; }
.hero p { font-size: 18px; color: #dce8f2; max-width: 640px; margin: 0 auto 30px; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- HERO SLIDER (efektli geçişli görsel slider) ---------- */
.hero-slider { position: relative; height: 560px; overflow: hidden; color: var(--beyaz); }
.hero-slider-track { position: absolute; inset: 0; }
.hero-slide {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: 0; transform: scale(1.06);
    transition: opacity 1.4s ease-in-out, transform 6s ease-out;
}
.hero-slide.aktif { opacity: 1; transform: scale(1); z-index: 1; }
.hero-slider-overlay {
    position: absolute; inset: 0; z-index: 2;
    background: linear-gradient(135deg, rgba(24,28,33,.82), rgba(199,66,1,.55));
}
.hero-slider-content { position: relative; z-index: 3; padding: 150px 24px 100px; text-align: center; }
.hero-slider-content h1 { font-size: 42px; font-weight: 800; margin-bottom: 18px; }
.hero-slider-content p { font-size: 18px; color: #f1e4dc; max-width: 640px; margin: 0 auto 30px; }
.hero-slider-noktalar { position: absolute; bottom: 26px; left: 0; right: 0; z-index: 3; display: flex; justify-content: center; gap: 10px; }
.hero-slider-noktalar .nokta { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.45); cursor: pointer; transition: all .25s; }
.hero-slider-noktalar .nokta.aktif { background: var(--beyaz); width: 26px; border-radius: 6px; }

.btn {
    display: inline-block; padding: 14px 30px; border-radius: 30px; font-weight: 600;
    font-size: 15px; transition: all .2s; border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--turuncu); color: var(--beyaz); }
.btn-primary:hover { background: var(--turuncu-acik); }
.btn-outline { border-color: var(--beyaz); color: var(--beyaz); }
.btn-outline:hover { background: var(--beyaz); color: var(--koyu); }

/* ---------- SECTIONS ---------- */
section { padding: 80px 0; }
.section-baslik { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.section-baslik .ust-etiket { color: var(--turuncu); font-weight: 700; letter-spacing: 2px; font-size: 13px; text-transform: uppercase; }
.section-baslik h2 { font-size: 32px; font-weight: 800; color: var(--koyu); margin: 10px 0 12px; }
.section-baslik p { color: #667079; }
.bg-gri { background: var(--gri-bg); }

/* ---------- HİZMET KARTLARI ---------- */
.hizmet-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.hizmet-kart {
    background: var(--beyaz); border-radius: 14px; padding: 32px 26px; box-shadow: 0 6px 24px rgba(13,36,56,.08);
    border: 1px solid #eef2f5; transition: transform .2s, box-shadow .2s;
}
.hizmet-kart:hover { transform: translateY(-6px); box-shadow: 0 16px 34px rgba(13,36,56,.14); }
.hizmet-ikon { width: 56px; height: 56px; border-radius: 12px; background: var(--turuncu-soft); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 18px; }
.hizmet-kart h3 { font-size: 19px; font-weight: 700; color: var(--koyu); margin-bottom: 10px; }
.hizmet-kart p { font-size: 14.5px; color: #66727b; margin-bottom: 16px; }
.hizmet-kart .link-devam { color: var(--turuncu); font-weight: 600; font-size: 14px; }

/* ---------- NEDEN BİZ ---------- */
.neden-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.neden-item .sayi { font-size: 36px; font-weight: 800; color: var(--turuncu); }
.neden-item .baslik { font-weight: 600; margin-top: 6px; color: var(--koyu); }

/* ---------- CTA ---------- */
.cta-band {
    background: linear-gradient(90deg, var(--koyu), var(--turuncu)); color: var(--beyaz);
    padding: 60px 0; text-align: center;
}
.cta-band h2 { font-size: 28px; margin-bottom: 14px; }
.cta-band p { color: #dce8f2; margin-bottom: 26px; }

/* ---------- FORMLAR ---------- */
.form-kutu { background: var(--beyaz); border-radius: 14px; padding: 40px; box-shadow: 0 10px 40px rgba(13,36,56,.1); max-width: 640px; margin: 0 auto; }
.form-grup { margin-bottom: 20px; }
.form-grup label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; color: var(--koyu); }
.form-grup input, .form-grup select, .form-grup textarea {
    width: 100%; padding: 13px 16px; border: 1.5px solid #dbe2e7; border-radius: 8px; font-family: var(--font); font-size: 14.5px;
    transition: border-color .2s;
}
.form-grup input:focus, .form-grup select:focus, .form-grup textarea:focus { outline: none; border-color: var(--turuncu); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-kutu .btn { width: 100%; text-align: center; }

.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 14.5px; font-weight: 500; }
.alert-basari { background: #e4f7e9; color: #1a7a3c; border: 1px solid #b8ebc7; }
.alert-hata { background: #fce8e8; color: #b32424; border: 1px solid #f5bcbc; }

/* ---------- GALERİ ---------- */
.galeri-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.galeri-item { border-radius: 10px; overflow: hidden; aspect-ratio: 1/1; background: var(--gri-bg); }
.galeri-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.galeri-item:hover img { transform: scale(1.08); }

/* ---------- HAKKIMIZDA / DETAY ---------- */
.detay-hero { background: var(--koyu); color: var(--beyaz); padding: 60px 0; text-align: center; }
.detay-hero h1 { font-size: 32px; font-weight: 800; }
.icerik-blok { max-width: 780px; margin: 0 auto; font-size: 16px; color: #445059; }
.icerik-blok p { margin-bottom: 18px; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--koyu); color: #c4d3e0; padding-top: 60px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 30px; padding-bottom: 40px; }
.footer-logo { margin-bottom: 16px; height: 52px; }
.footer-logo img { height: 100%; width: auto; display: block; }
.footer-col h4 { color: var(--beyaz); font-size: 15px; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col a:hover { color: var(--turuncu-acik); }
.footer-contact li { margin-bottom: 10px; font-size: 14px; }
.btn-whatsapp { display: inline-block; margin-top: 14px; background: #25d366; color: var(--beyaz) !important; padding: 10px 18px; border-radius: 24px; font-size: 13.5px; font-weight: 600; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; text-align: center; font-size: 13.5px; color: #9db3c4; }

/* ---------- ADMIN ---------- */
.admin-body { background: var(--gri-bg); font-family: var(--font); }
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 250px; background: var(--koyu); color: #cfe0ee; flex-shrink: 0; }
.admin-sidebar .logo-box { padding: 24px 22px; border-bottom: 1px solid rgba(255,255,255,.08); }
.admin-sidebar .logo-topcuoglu { color: var(--beyaz); font-size: 18px; }
.admin-sidebar nav { padding: 16px 0; }
.admin-sidebar nav a { display: flex; align-items: center; gap: 10px; padding: 13px 22px; font-size: 14.5px; color: #b9cde0; }
.admin-sidebar nav a:hover, .admin-sidebar nav a.aktif { background: rgba(255,255,255,.08); color: var(--beyaz); border-right: 3px solid var(--turuncu-acik); }
.admin-main { flex: 1; padding: 30px 36px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.admin-topbar h1 { font-size: 24px; color: var(--koyu); font-weight: 700; }
.admin-user { font-size: 14px; color: #667079; }
.admin-user a { color: var(--turuncu); font-weight: 600; margin-left: 10px; }

.kart-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 30px; }
.istatistik-kart { background: var(--beyaz); border-radius: 12px; padding: 22px; box-shadow: 0 4px 14px rgba(13,36,56,.06); }
.istatistik-kart .baslik { font-size: 13px; color: #8894a0; font-weight: 600; text-transform: uppercase; }
.istatistik-kart .deger { font-size: 26px; font-weight: 800; color: var(--koyu); margin-top: 8px; }
.istatistik-kart.alacak .deger { color: #1a7a3c; }
.istatistik-kart.verecek .deger { color: #b32424; }

.panel { background: var(--beyaz); border-radius: 12px; padding: 26px; box-shadow: 0 4px 14px rgba(13,36,56,.06); margin-bottom: 24px; }
.panel-baslik { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.panel-baslik h2 { font-size: 18px; color: var(--koyu); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
table th { text-align: left; padding: 12px 14px; background: var(--gri-bg); color: var(--koyu); font-weight: 700; font-size: 13px; text-transform: uppercase; }
table td { padding: 12px 14px; border-bottom: 1px solid #eef2f5; }
table tr:hover td { background: #fafbfc; }

.rozet { padding: 4px 12px; border-radius: 20px; font-size: 12.5px; font-weight: 600; display: inline-block; }
.rozet-yesil { background: #e4f7e9; color: #1a7a3c; }
.rozet-kirmizi { background: #fce8e8; color: #b32424; }
.rozet-sari { background: #fff6e0; color: #a06c00; }
.rozet-mavi { background: var(--turuncu-soft); color: var(--turuncu); }
.rozet-gri { background: #eef1f3; color: #667079; }

.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 6px; }
.btn-ikon { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; border-radius: 6px; background: var(--gri-bg); color: var(--metin); }
.btn-ikon:hover { background: var(--turuncu); color: var(--beyaz); }
.btn-tehlike { background: #fce8e8; color: #b32424; }
.btn-tehlike:hover { background: #b32424; color: var(--beyaz); }

.login-sayfa { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--koyu), var(--turuncu)); }
.login-kutu { background: var(--beyaz); border-radius: 16px; padding: 44px; width: 100%; max-width: 420px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-kutu .logo-box { text-align: center; margin-bottom: 28px; }
.login-kutu .logo-topcuoglu { color: var(--koyu); font-size: 24px; }
.login-kutu .logo-alt { color: var(--turuncu); }
.login-links { text-align: center; margin-top: 18px; font-size: 14px; }
.login-links a { color: var(--turuncu); font-weight: 600; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
    .nav-menu { position: fixed; top: 84px; left: 0; right: 0; background: var(--koyu); flex-direction: column; padding: 20px; gap: 4px; transform: translateY(-150%); transition: transform .3s; z-index: 90; }
    .nav-menu.acik { transform: translateY(0); }
    .nav-dropdown, .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: none; }
    .nav-dropdown.acik .dropdown-menu { display: block; }
    .hamburger { display: flex; }
    .hizmet-grid, .neden-grid, .galeri-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .admin-sidebar { position: fixed; left: -260px; height: 100%; z-index: 200; transition: left .3s; }
    .admin-sidebar.acik { left: 0; }
    .kart-grid { grid-template-columns: repeat(2, 1fr); }
    .admin-topbar .hamburger { display: flex !important; background: var(--gri-bg); padding: 8px; border-radius: 6px; }
    .admin-topbar .hamburger span { background: var(--koyu); }
}
@media (max-width: 600px) {
    .hizmet-grid, .neden-grid, .galeri-grid, .kart-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 30px; }
    .hero-slider { height: 460px; }
    .hero-slider-content { padding: 110px 20px 80px; }
    .hero-slider-content h1 { font-size: 28px; }
}