/* =========================
   Kurumsal Soft Tema (v6)
   • Premium mobil menü drawer
   • Mobil filter bottom sheet
   • Scroll-snap slider (stabil)
   ========================= */

/* Temel Değerler */
:root{
  --bg:#f6f7fb;
  --surface:#ffffff;
  --text:#0f172a;
  --muted:#6b7280;
  --primary:#0f172a;
  --accent:#3b82f6;
  --success:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --border:#e6e9f3;
  --ring:rgba(59,130,246,.25);
  --radius:16px;
  --shadow-1:0 8px 24px rgba(16,24,39,.06);
  --shadow-2:0 16px 44px rgba(16,24,39,.10);
  --safe-top: env(safe-area-inset-top);
  --safe-bottom: env(safe-area-inset-bottom);
}

/* Dark mode */
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220;
    --surface:#0f172a;
    --text:#e5e7eb;
    --muted:#94a3b8;
    --primary:#111827;
    --border:#1f2937;
    --ring:rgba(59,130,246,.35);
    --shadow-1:0 8px 24px rgba(0,0,0,.35);
    --shadow-2:0 16px 44px rgba(0,0,0,.5);
  }
}

/* Reset */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;
  background:var(--bg); color:var(--text); line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  padding-bottom:var(--safe-bottom);
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit}

/* Helpers */
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
.container{max-width:1240px;margin:0 auto;padding:32px 20px}
.p{padding:18px}
.muted{color:var(--muted)}
.hidden{display:none !important}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-fit-240{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid-fit-220{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

/* Headings */
h1,h2,h3{margin:.3rem 0 .6rem;letter-spacing:.2px}
h1{font-size:clamp(28px,6vw,48px);line-height:1.15;font-weight:800}
h2{font-size:clamp(20px,4.4vw,30px);font-weight:700}
h3{font-size:clamp(18px,3.6vw,22px);font-weight:600}

/* Header */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding-top:var(--safe-top);
  box-shadow:0 2px 8px rgba(15,23,42,.03);
}
@media (prefers-color-scheme: dark){ .site-header{background:rgba(15,23,42,.92)} }
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:68px;padding:0 20px}
.brand{
  font-weight:900;letter-spacing:.4px;font-size:20px;
  background:linear-gradient(135deg,#0f172a 0%,#3b82f6 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* Masaüstü nav */
.nav{display:flex;align-items:center;gap:4px}
.nav a{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:12px;
  font-weight:600;font-size:15px;
  transition:all .2s ease;white-space:nowrap;
  position:relative;
}
.nav a::after{
  content:'';position:absolute;bottom:8px;left:16px;right:16px;
  height:2px;background:var(--accent);border-radius:2px;
  transform:scaleX(0);transition:transform .2s ease;
}
.nav a:hover{background:rgba(59,130,246,.08);color:var(--accent)}
.nav a:hover::after{transform:scaleX(1)}
.nav a[href*="admin.php"]{display:none !important}

/* Mobil menü düğmesi - Premium tasarım */
.menu-toggle{
  display:none;
  width:48px;height:48px;
  border:1px solid var(--border);
  border-radius:14px;
  background:var(--surface);
  box-shadow:0 2px 8px rgba(15,23,42,.06);
  cursor:pointer;
  transition:all .2s ease;
  position:relative;
  overflow:hidden;
}
.menu-toggle::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(59,130,246,.05),rgba(99,102,241,.05));
  opacity:0;
  transition:opacity .2s ease;
}
.menu-toggle:hover::before{opacity:1}
.menu-toggle:active{transform:scale(.96)}
.menu-toggle svg{
  position:relative;
  z-index:1;
  width:24px;
  height:24px;
  stroke:var(--text);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
  fill:none;
}
@media (max-width: 980px){ 
  .menu-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
  } 
  .nav{display:none}
}

/* PREMIUM FULL-SCREEN DRAWER MENU */
.drawer-backdrop{
  position:fixed;
  inset:0;
  background:linear-gradient(135deg,rgba(15,23,42,.85),rgba(0,0,0,.75));
  backdrop-filter:blur(4px);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease;
  z-index:90;
}

.drawer{
  position:fixed;
  top:0;
  bottom:0;
  right:0;
  width:min(85vw,380px);
  transform:translateX(100%);
  transition:transform .35s cubic-bezier(.4,0,.2,1);
  background:var(--surface);
  z-index:91;
  display:flex;
  flex-direction:column;
  box-shadow:-8px 0 32px rgba(0,0,0,.15);
  padding-top:calc(16px + var(--safe-top));
}
@media (prefers-color-scheme: dark){
  .drawer{
    background:linear-gradient(180deg,#0f172a 0%,#1a1f35 100%);
  }
}

/* Drawer Header - Premium */
.drawer header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px 16px;
  border-bottom:2px solid var(--border);
  background:linear-gradient(180deg,transparent 0%,rgba(59,130,246,.02) 100%);
}
.drawer .brand-mobile{
  font-weight:900;
  letter-spacing:.4px;
  font-size:19px;
  background:linear-gradient(135deg,#0f172a 0%,#3b82f6 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.drawer .close{
  width:44px;
  height:44px;
  border:1px solid var(--border);
  background:var(--surface);
  border-radius:12px;
  cursor:pointer;
  transition:all .2s ease;
  display:flex;
  align-items:center;
  justify-content:center;
}
.drawer .close:hover{
  background:rgba(239,68,68,.08);
  border-color:rgba(239,68,68,.3);
}
.drawer .close:active{transform:scale(.95)}
.drawer .close svg{
  width:20px;
  height:20px;
  stroke:var(--text);
  stroke-width:2.5;
  stroke-linecap:round;
  stroke-linejoin:round;
  fill:none;
}

/* Drawer Links - Premium */
.drawer .links{
  padding:20px 16px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
  flex:1;
}
.drawer .links a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 18px;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--surface);
  font-weight:600;
  font-size:15px;
  transition:all .2s ease;
  position:relative;
  overflow:hidden;
}
.drawer .links a::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(59,130,246,.08),rgba(99,102,241,.08));
  opacity:0;
  transition:opacity .2s ease;
}
.drawer .links a:hover::before{opacity:1}
.drawer .links a:active{
  transform:scale(.98);
  background:linear-gradient(135deg,rgba(59,130,246,.12),rgba(99,102,241,.12));
}
.drawer .links a svg{
  position:relative;
  z-index:1;
  width:22px;
  height:22px;
  stroke:var(--accent);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
  fill:none;
}
.drawer .links a span{
  position:relative;
  z-index:1;
}

/* Drawer Footer - Premium */
.drawer .foot{
  margin-top:auto;
  padding:16px 20px;
  border-top:2px solid var(--border);
  background:linear-gradient(0deg,rgba(59,130,246,.03) 0%,transparent 100%);
}
.drawer .foot-info{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  background:rgba(59,130,246,.06);
  border:1px solid rgba(59,130,246,.15);
  border-radius:12px;
  font-size:13px;
  color:var(--muted);
}
.drawer .foot-info svg{
  width:18px;
  height:18px;
  stroke:var(--accent);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
  fill:none;
  flex-shrink:0;
}

/* Drawer Active State */
.drawer-open{overflow:hidden}
.drawer-open .drawer{transform:translateX(0)}
.drawer-open .drawer-backdrop{opacity:1;pointer-events:auto}

/* Drawer sadece mobilde görünür */
@media (min-width: 981px){
  .drawer,.drawer-backdrop{display:none}
}

/* Footer */
.site-footer{background:#0f172a;color:#cbd5e1;border-top:1px solid #111827;margin-top:24px}
.site-footer .foot{display:flex;justify-content:space-between;align-items:center;min-height:64px;padding:10px 16px}

/* Card */
.card{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow-1); overflow:hidden;
  transition:box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-1px);border-color:#dde3f0}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px; padding:12px 16px;border:1px solid var(--border);background:#fff;
  border-radius:12px;font-weight:700;cursor:pointer;transition:.18s; box-shadow:0 1px 2px rgba(0,0,0,.04)
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn.accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.block{width:100%}
.btn.ghost{background:transparent}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* Forms */
form label{display:block;margin:.65rem 0 .35rem;font-weight:700}
input,select,textarea{
  width:100%; padding:.9rem 1rem;
  border:1px solid var(--border); border-radius:14px;
  font:inherit; color:var(--text);
  background:linear-gradient(0deg,#fff,#fff) padding-box,
             linear-gradient(135deg,#eff2f9,#ffffff) border-box;
  box-shadow:0 1px 0 rgba(15,23,42,.02);
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
input:focus,select:focus,textarea:focus{
  outline:none; border-color:#c7d2fe;
  box-shadow:0 0 0 4px var(--ring), 0 10px 22px rgba(17,24,39,.06);
  background:#fff;
}
input::placeholder,textarea::placeholder{color:#9aa3b2}
textarea{min-height:120px;resize:vertical}
select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cpath fill='%236b7280' d='M5.23 7.21a1 1 0 0 1 1.4-.18L10 9.47l3.37-2.44a1 1 0 1 1 1.22 1.58l-4 2.9a1 1 0 0 1-1.18 0l-4-2.9a1 1 0 0 1-.18-1.4Z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .8rem center;background-size:18px
}
.card form .inline{display:grid; gap:12px; grid-template-columns:repeat(auto-fit,minmax(220px,1fr));}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;border:1px solid var(--border);background:#fff;font-size:.95rem;line-height:1}
.badge.success{border-color:#bbf7d0;color:#16a34a;background:#ecfdf5}
.badge.warn{border-color:#fde68a;color:#b45309;background:#fffbeb}
.badge.neutral{background:#f3f4f6;color:#374151;border-color:#e5e7eb}

/* Hero */
.hero{
  padding:calc(64px + var(--safe-top)) 0 56px;
  background:
    radial-gradient(1100px 520px at 20% -10%, rgba(59,130,246,.16), transparent 60%),
    linear-gradient(180deg,#0f172a 0%,#1f2937 70%,#0f172a 100%);
  color:#e6edf7;
}
.hero h1{color:#fff}
.hero .grid{grid-template-columns:1.05fr .95fr;align-items:center}
.hero .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);backdrop-filter:blur(10px);box-shadow:0 12px 30px rgba(0,0,0,.18)}

/* Araç kartları */
.v-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:0 4px 18px rgba(15,23,42,.06);transition:transform .2s, box-shadow .2s, border-color .2s}
.v-card:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(15,23,42,.10);border-color:#dfe4ef}
.v-card img{width:100%;height:190px;object-fit:cover;background:#eef1f5}
.v-title{font-weight:800;letter-spacing:.2px}
.v-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px}

/* Scroll-snap Slider */
.slider{position:relative}
.slider-track{
  display:grid; grid-auto-flow:column; grid-auto-columns:88%;
  gap:16px; overflow-x:auto; overscroll-behavior-x:contain; scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch; padding-bottom:6px; scrollbar-width:none
}
.slider-track::-webkit-scrollbar{display:none}
@media(min-width:520px){ .slider-track{grid-auto-columns:60%} }
@media(min-width:768px){ .slider-track{grid-auto-columns:46%} }
@media(min-width:1024px){ .slider-track{grid-auto-columns:360px} }
.slide{scroll-snap-align:start}
.s-nav{position:absolute;inset:0;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.s-btn{pointer-events:auto;border:none;background:var(--surface);color:#1f2937;border:1px solid var(--border);width:44px;height:44px;border-radius:12px;box-shadow:var(--shadow-1);cursor:pointer;transition:transform .15s, box-shadow .15s;display:none}
@media(min-width:768px){ .s-btn{display:inline-flex;align-items:center;justify-content:center} }
.s-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-2)}
.s-btn:active{transform:translateY(0)}

/* Filter Bar (desktop) + Bottom Sheet (mobile) */
.filter-bar{display:none}
@media(min-width:981px){
  .filter-bar{display:block}
}
.filter-trigger{
  display:none;
  position:sticky;top:76px;z-index:69;margin-bottom:12px
}
@media(max-width:980px){
  .filter-trigger{display:block}
}

.sheet-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:.2s;z-index:88
}
.sheet{
  position:fixed;left:0;right:0;bottom:0;transform:translateY(100%);transition:transform .28s ease;
  background:var(--surface);border-top-left-radius:16px;border-top-right-radius:16px;box-shadow:var(--shadow-2);z-index:89;
  padding-bottom:var(--safe-bottom)
}
.sheet header{padding:10px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.sheet .content{padding:12px 16px}
.sheet .grid{grid-template-columns:1fr}
.sheet-open .sheet{transform:translateY(0)}
.sheet-open .sheet-backdrop{opacity:1;pointer-events:auto}

/* Table & Mobile stacked */
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:12px;border-top:1px solid var(--border);vertical-align:top}
th{background:#f8fafc;text-align:left;font-weight:700;color:#27324b}
@media (prefers-color-scheme: dark){ th{background:#0b1220;color:#cbd5e1}}
@media(max-width:780px){
  table thead{display:none}
  table,tbody,tr,td{display:block;width:100%}
  tr{margin-bottom:12px;border:1px solid var(--border);border-radius:12px;background:var(--surface);box-shadow:var(--shadow-1);overflow:hidden}
  td{border-top:none;padding:10px 12px}
  td::before{content:attr(data-label);display:block;font-weight:700;color:var(--muted);margin-bottom:4px}
}

/* Toast */
.toast{
  position:fixed;right:16px;bottom:16px;background:#111827;color:#e5e7eb;
  padding:10px 14px;border-radius:12px;box-shadow:var(--shadow-2);
  opacity:0;transform:translateY(10px);transition:.25s;z-index:95
}
.toast.show{opacity:1;transform:translateY(0)}

/* Responsiveness */
@media(max-width:960px){
  .grid-2{grid-template-columns:1fr}
  .hero{padding:calc(56px + var(--safe-top)) 0 48px}
  .site-header .bar{height:64px;padding:0 16px}
  .brand{font-size:18px}
}
@media(max-width:640px){
  .container{padding:24px 16px}
  .wrap{padding:0 16px}
  .site-footer .foot{padding:0 16px}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important; animation:none !important}
}