/* ================================================================
   QTR Framework Web Site — Ana CSS
   Tema: Açık yeşil (#10b981) + Beyaz | Dark mode: data-theme="dark"
   Breakpoints: ≤640 mobile | 641–1024 tablet | ≥1025 desktop
   ================================================================ */

/* ─── CSS Variables ──────────────────────────────────────────── */
:root {
  --color-primary:       #34d399;
  --color-primary-light: #6ee7b7;
  --color-primary-dark:  #10b981;
  --color-primary-muted: rgba(52,211,153,.12);
  --color-bg:            #06080f;
  --color-bg-secondary:  #0a0f1a;
  --color-bg-tertiary:   #111827;
  --color-surface:       #0b101b;
  --color-surface-2:     #0f1624;
  --color-text:          #f8fafc;
  --color-text-secondary:#a1aab8;
  --color-muted:         #6b7280;
  --color-border:        rgba(255,255,255,.07);
  --color-border-subtle: rgba(255,255,255,.05);
  --color-card:          rgba(255,255,255,.035);
  --color-nav-bg:        rgba(6,8,15,.82);
  --color-footer-bg:     #04060b;
  --color-footer-text:   #7c8595;
  --color-code-bg:       #05070c;
  --color-code-text:     #dbeafe;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.25);
  --shadow:    0 20px 40px -24px rgba(0,0,0,.75);
  --shadow-lg: 0 32px 80px -38px rgba(0,0,0,.86);
  --shadow-ambient: 0 24px 70px -42px rgba(0,0,0,.95);
  --shadow-glow: 0 0 70px rgba(52,211,153,.14);
  --radius-sm:  6px;
  --radius:     8px;
  --radius-lg:  12px;
  --nav-height: 64px;
  --container:  1200px;
  --font-sans: 'Geist', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --tracking-tight: -.035em;
  --transition: 200ms ease;
}

[data-theme="dark"] {
  --color-primary:       #34d399;
  --color-primary-light: #6ee7b7;
  --color-primary-dark:  #10b981;
  --color-primary-muted: #064e3b;
  --color-bg:            #06080f;
  --color-bg-secondary:  #0a0f1a;
  --color-bg-tertiary:   #111827;
  --color-text:          #f1f5f9;
  --color-text-secondary:#a1aab8;
  --color-muted:         #6b7280;
  --color-border:        rgba(255,255,255,.07);
  --color-card:          rgba(255,255,255,.035);
  --color-nav-bg:        rgba(6,8,15,.82);
  --color-footer-bg:     #04060b;
  --color-footer-text:   #7c8595;
  --color-code-bg:       #05070c;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.25);
  --shadow:    0 20px 40px -24px rgba(0,0,0,.75);
  --shadow-lg: 0 32px 80px -38px rgba(0,0,0,.86);
}

/* ─── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background:
    radial-gradient(circle at 50% 0%, rgba(52,211,153,.09), transparent 34rem),
    linear-gradient(180deg, #070a12 0%, var(--color-bg) 28rem);
  transition: background-color var(--transition), color var(--transition);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
img, svg { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { line-height: 1.12; font-weight: 800; color: var(--color-text); letter-spacing: var(--tracking-tight); }
h1 { font-size: clamp(1.9rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.35rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
p  { color: var(--color-text-secondary); }
code {
  font-family: var(--font-mono);
  font-size: .875em;
  background: var(--color-bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-primary-dark);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ─── Container & Grid ───────────────────────────────────────── */
.container { width:100%; max-width:var(--container); margin-inline:auto; padding-inline:1.25rem; }
.grid { display: grid; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap:.5rem; } .gap-3 { gap:.75rem; } .gap-4 { gap:1rem; }
.gap-6 { gap:1.5rem; } .gap-8 { gap:2rem; }

/* ─── Spacing ────────────────────────────────────────────────── */
.mt-4{margin-top:1rem;} .mt-8{margin-top:2rem;} .mt-12{margin-top:3rem;}
.mb-4{margin-bottom:1rem;} .mb-8{margin-bottom:2rem;}
.py-4{padding-block:1rem;} .py-8{padding-block:2rem;} .py-16{padding-block:4rem;}
.px-4{padding-inline:1rem;} .px-6{padding-inline:1.5rem;}

/* ─── Text ───────────────────────────────────────────────────── */
.text-sm{font-size:.875rem;} .text-xs{font-size:.75rem;} .text-lg{font-size:1.125rem;}
.text-center{text-align:center;} .font-bold{font-weight:700;} .font-medium{font-weight:500;}
.text-muted{color:var(--color-muted);} .text-primary{color:var(--color-primary);}
.uppercase{text-transform:uppercase;letter-spacing:.08em;}

/* ─── Navigation ─────────────────────────────────────────────── */
.site-nav {
  position: sticky; top:0; z-index:100;
  height: var(--nav-height);
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: none;
  backdrop-filter: blur(18px);
  transition: background var(--transition);
}
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:100%; }
.nav-logo {
  display:flex; align-items:center; gap:.6rem;
  font-weight:800; font-size:1.15rem; color:var(--color-text);
  text-decoration:none; flex-shrink:0;
}
.nav-logo:hover { text-decoration:none; color:var(--color-primary); }
.nav-logo img, .nav-logo svg { height:32px; width:auto; }
.nav-menu { display:flex; align-items:center; gap:.15rem; }
.nav-link {
  display:flex; align-items:center; gap:.3rem;
  padding:.4rem .65rem; border-radius:var(--radius-sm);
  font-size:.9rem; font-weight:500; color:var(--color-text-secondary);
  transition:color var(--transition),background var(--transition); white-space:nowrap;
}
.nav-link:hover, .nav-link.active {
  color:var(--color-primary); background:rgba(255,255,255,.04); text-decoration:none;
}
.nav-dropdown { position:relative; }
.nav-dropdown-toggle svg { transition:transform var(--transition); }
.nav-dropdown-toggle[aria-expanded="true"] svg { transform:rotate(180deg); }
.nav-dropdown-menu {
  position:absolute; top:calc(100% + 8px); left:50%; transform:translateX(-50%);
  min-width:200px; background:var(--color-card);
  border:1px solid var(--color-border); border-radius:var(--radius);
  box-shadow:var(--shadow-lg); padding:.4rem; display:none; z-index:200;
}
.nav-dropdown-menu.open { display:block; }
.nav-dropdown-item {
  display:block; padding:.55rem .85rem; font-size:.875rem; font-weight:500;
  color:var(--color-text-secondary); border-radius:var(--radius-sm);
  transition:background var(--transition),color var(--transition);
}
.nav-dropdown-item:hover { background:var(--color-primary-muted); color:var(--color-primary); text-decoration:none; }
.nav-actions { display:flex; align-items:center; gap:.5rem; }
.nav-icon-btn {
  display:flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:var(--radius-sm);
  color:var(--color-text-secondary); transition:background var(--transition),color var(--transition);
}
.nav-icon-btn:hover { background:var(--color-bg-secondary); color:var(--color-primary); }
.btn-nav-cta {
  display:inline-flex; align-items:center; gap:.4rem;
  padding:.45rem 1rem; background:var(--color-primary); color:#fff !important;
  font-size:.875rem; font-weight:600; border-radius:var(--radius-sm);
  transition:background var(--transition),transform var(--transition);
}
.btn-nav-cta:hover { background:var(--color-primary-dark); text-decoration:none; transform:translateY(-1px); }
.nav-hamburger { display:none; flex-direction:column; gap:5px; padding:.4rem; border-radius:var(--radius-sm); }
.nav-hamburger span { display:block; width:22px; height:2px; background:var(--color-text); border-radius:2px; transition:transform var(--transition),opacity var(--transition); }
.nav-hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity:0; }
.nav-hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }
.nav-mobile { display:none; background:var(--color-card); border-top:1px solid var(--color-border); padding:.75rem 1rem 1.25rem; }
.nav-mobile.open { display:block; }
.nav-mobile .nav-link { width:100%; padding:.6rem .75rem; }
.nav-mobile-section-title { font-size:.7rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color:var(--color-muted); padding:.5rem .75rem .25rem; }

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer { background:var(--color-footer-bg); color:var(--color-footer-text); padding-block:3rem 1.5rem; margin-top:auto; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:2rem; }
.footer-brand img, .footer-brand svg { height:28px; width:auto; margin-bottom:.75rem; filter:brightness(0) invert(1); opacity:.9; }
.footer-brand p { font-size:.875rem; line-height:1.65; max-width:260px; }
.footer-col h4 { font-size:.8rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:#fff; margin-bottom:1rem; }
.footer-col a { display:block; font-size:.875rem; color:var(--color-footer-text); margin-bottom:.5rem; transition:color var(--transition); }
.footer-col a:hover { color:var(--color-primary); text-decoration:none; }
.footer-bottom { margin-top:2.5rem; padding-top:1.25rem; border-top:1px solid rgba(255,255,255,.08); display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:.75rem; font-size:.8rem; }
.footer-social { display:flex; align-items:center; gap:.75rem; }
.footer-social a { display:flex; align-items:center; justify-content:center; width:32px; height:32px; border-radius:50%; background:rgba(255,255,255,.06); color:var(--color-footer-text); margin-bottom:0; transition:background var(--transition),color var(--transition); }
.footer-social a:hover { background:var(--color-primary); color:#fff; }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.4rem; padding:.6rem 1.25rem; font-family:inherit; font-size:.9rem; font-weight:600; border-radius:var(--radius-sm); border:1px solid transparent; cursor:pointer; transition:background var(--transition),color var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition); text-decoration:none; white-space:nowrap; }
.btn:hover { text-decoration:none; transform:translateY(-1px); }
.btn:active { transform:translateY(0); }
.btn-primary { background:var(--color-primary); color:#03130d; border-color:rgba(255,255,255,.12); box-shadow:0 0 32px rgba(52,211,153,.16); }
.btn-primary:hover { background:var(--color-primary-light); border-color:rgba(255,255,255,.18); color:#03130d; box-shadow:0 0 42px rgba(52,211,153,.22); }
.btn-outline { background:rgba(255,255,255,.025); color:var(--color-text); border-color:var(--color-border); }
.btn-outline:hover { background:rgba(255,255,255,.055); color:var(--color-primary); border-color:rgba(52,211,153,.34); }
.btn-ghost { background:transparent; color:var(--color-text-secondary); border-color:var(--color-border); }
.btn-ghost:hover { background:rgba(255,255,255,.045); color:var(--color-text); border-color:rgba(255,255,255,.12); }
.btn-sm { padding:.4rem .9rem; font-size:.8rem; }
.btn-lg { padding:.8rem 1.75rem; font-size:1rem; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card { background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.022)); border:1px solid var(--color-border-subtle); border-radius:var(--radius); padding:1.5rem; box-shadow:var(--shadow-ambient); transition:box-shadow var(--transition),transform var(--transition),border-color var(--transition),background var(--transition); }
.card:hover { box-shadow:var(--shadow); border-color:rgba(255,255,255,.1); }
.card-clickable:hover { transform:translateY(-2px); }
.card-title { font-size:1.1rem; font-weight:700; color:var(--color-text); }
.card-meta  { font-size:.8rem; color:var(--color-muted); margin-top:.25rem; }

/* ─── Tags ───────────────────────────────────────────────────── */
.tag { display:inline-flex; align-items:center; gap:.3rem; padding:.2rem .65rem; font-size:.75rem; font-weight:600; border-radius:99px; background:rgba(255,255,255,.035); color:var(--color-primary); border:1px solid var(--color-border-subtle); text-decoration:none; transition:background var(--transition),color var(--transition),border-color var(--transition); }
.tag:hover { background:var(--color-primary-muted); color:var(--color-primary-light); border-color:rgba(52,211,153,.26); text-decoration:none; }
.tag-sm { padding:.15rem .5rem; font-size:.7rem; }

/* ─── Alerts ─────────────────────────────────────────────────── */
.alert { display:flex; align-items:flex-start; gap:.75rem; padding:.9rem 1.1rem; border-radius:var(--radius-sm); font-size:.9rem; border-left:4px solid currentColor; }
.alert-info    { background:#eff6ff; color:#1d4ed8; }
.alert-success { background:#f0fdf4; color:#15803d; }
.alert-warning { background:#fffbeb; color:#b45309; }
.alert-error   { background:#fef2f2; color:#b91c1c; }
[data-theme="dark"] .alert-info    { background:#1e3a5f; color:#93c5fd; }
[data-theme="dark"] .alert-success { background:#064e3b; color:#6ee7b7; }
[data-theme="dark"] .alert-warning { background:#451a03; color:#fcd34d; }
[data-theme="dark"] .alert-error   { background:#450a0a; color:#fca5a5; }

/* ─── Code Blocks ────────────────────────────────────────────── */
.code-block { position:relative; background:var(--color-code-bg); border-radius:var(--radius); overflow:hidden; }
.code-block-header { display:flex; align-items:center; justify-content:space-between; padding:.6rem 1rem; background:rgba(255,255,255,.04); border-bottom:1px solid rgba(255,255,255,.06); font-size:.75rem; color:#94a3b8; }
.code-block pre { margin:0; padding:1.25rem; overflow-x:auto; font-family:var(--font-mono); font-size:.875rem; line-height:1.7; color:var(--color-code-text); }
.code-copy-btn { display:flex; align-items:center; gap:.3rem; padding:.25rem .6rem; border-radius:4px; font-size:.7rem; font-weight:600; background:rgba(255,255,255,.08); color:#94a3b8; cursor:pointer; border:none; transition:background var(--transition),color var(--transition); }
.code-copy-btn:hover { background:var(--color-primary); color:#fff; }
.code-copy-btn.copied { background:#059669; color:#fff; }

/* ─── Search Bar ─────────────────────────────────────────────── */
.search-bar { display:flex; align-items:center; gap:.5rem; background:var(--color-bg-secondary); border:1px solid var(--color-border); border-radius:var(--radius-sm); padding:.5rem .75rem; transition:border-color var(--transition),box-shadow var(--transition); }
.search-bar:focus-within { border-color:var(--color-primary); box-shadow:0 0 0 3px var(--color-primary-muted); }
.search-bar input { background:none; border:none; outline:none; font-family:inherit; font-size:.9rem; color:var(--color-text); width:100%; }
.search-bar input::placeholder { color:var(--color-muted); }

/* ─── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb { display:flex; align-items:center; flex-wrap:wrap; gap:.3rem; font-size:.825rem; color:var(--color-muted); }
.breadcrumb a { color:var(--color-text-secondary); }
.breadcrumb a:hover { color:var(--color-primary); }
.breadcrumb-sep { color:var(--color-border); }
.breadcrumb-current { color:var(--color-text); font-weight:500; }

/* ─── Pagination ─────────────────────────────────────────────── */
.pagination { display:flex; align-items:center; justify-content:center; gap:.3rem; flex-wrap:wrap; }
.pagination a, .pagination span { display:inline-flex; align-items:center; justify-content:center; min-width:36px; height:36px; padding:0 .5rem; border-radius:var(--radius-sm); font-size:.875rem; font-weight:500; color:var(--color-text-secondary); border:1px solid var(--color-border); background:var(--color-card); transition:background var(--transition),color var(--transition),border-color var(--transition); }
.pagination a:hover { background:var(--color-primary-muted); color:var(--color-primary); border-color:var(--color-primary-light); text-decoration:none; }
.pagination .current { background:var(--color-primary); color:#fff; border-color:var(--color-primary); }
.pagination .disabled { opacity:.4; pointer-events:none; }

/* ─── Toast ──────────────────────────────────────────────────── */
.toast-container { position:fixed; bottom:1.5rem; right:1.5rem; z-index:9999; display:flex; flex-direction:column; gap:.5rem; }
.toast { display:flex; align-items:center; gap:.75rem; min-width:280px; max-width:380px; padding:.9rem 1.1rem; background:var(--color-card); border:1px solid var(--color-border); border-radius:var(--radius); box-shadow:var(--shadow-lg); font-size:.875rem; animation:toastIn .2s ease; }
.toast.toast-success { border-left:4px solid #10b981; }
.toast.toast-error   { border-left:4px solid #ef4444; }
.toast.toast-info    { border-left:4px solid #3b82f6; }
.toast-close { margin-left:auto; padding:.1rem .3rem; border-radius:4px; color:var(--color-muted); cursor:pointer; font-size:1rem; }
.toast-close:hover { color:var(--color-text); }
@keyframes toastIn { from{opacity:0;transform:translateX(20px);} to{opacity:1;transform:translateX(0);} }

/* ─── Cookie Banner ──────────────────────────────────────────── */
.cookie-banner { position:fixed; bottom:0; left:0; right:0; z-index:9990; background:var(--color-card); border-top:1px solid var(--color-border); box-shadow:0 -4px 20px rgba(0,0,0,.1); padding:1rem 1.25rem; }
.cookie-banner-inner { display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
.cookie-banner p { font-size:.875rem; color:var(--color-text-secondary); margin:0; }
.cookie-banner a { color:var(--color-primary); }
.cookie-actions { display:flex; gap:.5rem; flex-shrink:0; }

/* ─── Search Palette (Ctrl+K) ────────────────────────────────── */
.search-palette-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:9999; align-items:flex-start; justify-content:center; padding-top:10vh; }
.search-palette-overlay.open { display:flex; }
.search-palette { background:var(--color-card); border:1px solid var(--color-border); border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); width:100%; max-width:560px; overflow:hidden; }
.search-palette-input-wrap { display:flex; align-items:center; gap:.75rem; padding:1rem 1.25rem; border-bottom:1px solid var(--color-border); }
.search-palette-input-wrap input { flex:1; background:none; border:none; outline:none; font-size:1rem; font-family:inherit; color:var(--color-text); }
.search-palette-empty { padding:2rem; text-align:center; color:var(--color-muted); font-size:.9rem; }

/* ─── Sections ───────────────────────────────────────────────── */
.section { padding-block:7rem; }
.section-sm { padding-block:2.5rem; }
.section-lg { padding-block:8rem; }
.section-title { margin-bottom:.75rem; }
.section-subtitle { font-size:1.05rem; color:var(--color-text-secondary); margin-bottom:2.5rem; max-width:600px; }
.divider { height:1px; background:var(--color-border); margin-block:2rem; }
.skeleton { background:linear-gradient(90deg,var(--color-bg-secondary) 25%,var(--color-bg-tertiary) 50%,var(--color-bg-secondary) 75%); background-size:200% 100%; animation:shimmer 1.5s infinite; border-radius:var(--radius-sm); }

/* Ekran okuyucuya görünür, görsel olarak gizli */
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
@keyframes shimmer { to { background-position:-200% 0; } }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width:1024px) {
  .footer-grid { grid-template-columns:1fr 1fr; }
  .nav-menu, .nav-actions .btn-nav-cta { display:none; }
  .nav-hamburger { display:flex; }
}
@media (max-width:640px) {
  .footer-grid { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; align-items:flex-start; }
  .toast-container { bottom:5rem; right:.75rem; left:.75rem; }
  .toast { min-width:unset; max-width:100%; }
}