/*
Theme Name: Binance Referans Kodu
Theme URI: https://example.com
Author: Site Sahibi
Author URI: https://example.com
Description: Binance referans kodu için topical authority odaklı, hızlı, semantik HTML tabanlı WordPress teması. SEO-first, conversion-optimized.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: brk
Tags: seo, crypto, fast, semantic
*/

/* ============================================================
   TASARIM SİSTEMİ — CSS CUSTOM PROPERTIES
   ============================================================ */

:root {
  /* Marka renkleri — Binance palet */
  --brk-accent:       #F0B90B;   /* Binance sarısı */
  --brk-accent-dark:  #C99A08;   /* Hover tonu */
  --brk-accent-light: #FEF3C7;   /* Açık arka plan */
  --brk-dark:         #0B0E11;   /* Binance koyu */
  --brk-dark-2:       #1E2329;   /* Kart arka planı */
  --brk-dark-3:       #2B3139;   /* Border rengi */

  /* Nötr renkler */
  --brk-white:        #FFFFFF;
  --brk-gray-50:      #F9FAFB;
  --brk-gray-100:     #F3F4F6;
  --brk-gray-200:     #E5E7EB;
  --brk-gray-400:     #9CA3AF;
  --brk-gray-600:     #4B5563;
  --brk-gray-800:     #1F2937;
  --brk-gray-900:     #111827;

  /* Semantik renkler */
  --brk-success:      #10B981;
  --brk-success-light:#D1FAE5;
  --brk-danger:       #EF4444;
  --brk-info:         #3B82F6;

  /* Tipografi */
  --brk-font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --brk-font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  --brk-text-xs:      0.75rem;    /* 12px */
  --brk-text-sm:      0.875rem;   /* 14px */
  --brk-text-base:    1rem;       /* 16px */
  --brk-text-lg:      1.125rem;   /* 18px */
  --brk-text-xl:      1.25rem;    /* 20px */
  --brk-text-2xl:     1.5rem;     /* 24px */
  --brk-text-3xl:     1.875rem;   /* 30px */
  --brk-text-4xl:     2.25rem;    /* 36px */
  --brk-text-5xl:     3rem;       /* 48px */

  --brk-weight-normal: 400;
  --brk-weight-medium: 500;
  --brk-weight-semi:   600;
  --brk-weight-bold:   700;

  --brk-leading-tight:  1.25;
  --brk-leading-snug:   1.375;
  --brk-leading-normal: 1.5;
  --brk-leading-relaxed:1.625;
  --brk-leading-loose:  1.75;

  /* Boşluk sistemi (4px base) */
  --brk-space-1:  0.25rem;   /* 4px */
  --brk-space-2:  0.5rem;    /* 8px */
  --brk-space-3:  0.75rem;   /* 12px */
  --brk-space-4:  1rem;      /* 16px */
  --brk-space-5:  1.25rem;   /* 20px */
  --brk-space-6:  1.5rem;    /* 24px */
  --brk-space-8:  2rem;      /* 32px */
  --brk-space-10: 2.5rem;    /* 40px */
  --brk-space-12: 3rem;      /* 48px */
  --brk-space-16: 4rem;      /* 64px */
  --brk-space-20: 5rem;      /* 80px */
  --brk-space-24: 6rem;      /* 96px */

  /* Köşe yarıçapı */
  --brk-radius-sm:  0.25rem;  /* 4px */
  --brk-radius-md:  0.5rem;   /* 8px */
  --brk-radius-lg:  0.75rem;  /* 12px */
  --brk-radius-xl:  1rem;     /* 16px */
  --brk-radius-2xl: 1.5rem;   /* 24px */
  --brk-radius-full:9999px;

  /* Gölgeler */
  --brk-shadow-sm:  0 1px 2px 0 rgba(0,0,0,0.05);
  --brk-shadow-md:  0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --brk-shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --brk-shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);

  /* Geçişler */
  --brk-transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --brk-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --brk-container:      1200px;
  --brk-container-wide: 1400px;
  --brk-container-text: 760px;
  --brk-sidebar-width:  320px;
  --brk-header-height:  68px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--brk-font-sans);
  font-size: var(--brk-text-base);
  font-weight: var(--brk-weight-normal);
  line-height: var(--brk-leading-relaxed);
  color: var(--brk-gray-800);
  background-color: var(--brk-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Linkler */
a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Görseller */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

/* Form elemanları font mirası */
input,
button,
textarea,
select {
  font: inherit;
}

/* Paragraf ve başlık hiyerarşisi */
p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/* Liste sıfırlama (role=list ile kullanılanlar hariç) */
ul:not([role='list']),
ol:not([role='list']) {
  list-style: none;
}

/* ============================================================
   TİPOGRAFİ HİYERARŞİSİ
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--brk-weight-bold);
  line-height: var(--brk-leading-tight);
  color: var(--brk-gray-900);
}

h1 { font-size: clamp(1.75rem, 4vw, var(--brk-text-5xl)); }
h2 { font-size: clamp(1.375rem, 3vw, var(--brk-text-3xl)); }
h3 { font-size: clamp(1.125rem, 2.5vw, var(--brk-text-2xl)); }
h4 { font-size: var(--brk-text-xl); }
h5 { font-size: var(--brk-text-lg); }
h6 { font-size: var(--brk-text-base); }

p {
  line-height: var(--brk-leading-relaxed);
  color: var(--brk-gray-700, #374151);
}

/* İçerik alanı tipografisi */
.entry-content p,
.entry-content li {
  font-size: var(--brk-text-lg);
  line-height: var(--brk-leading-loose);
  color: var(--brk-gray-800);
  margin-bottom: var(--brk-space-4);
}

.entry-content h2 {
  margin-top: var(--brk-space-10);
  margin-bottom: var(--brk-space-4);
  padding-top: var(--brk-space-6);
  border-top: 1px solid var(--brk-gray-200);
}

.entry-content h3 {
  margin-top: var(--brk-space-8);
  margin-bottom: var(--brk-space-3);
}

.entry-content ul,
.entry-content ol {
  list-style: revert;
  padding-left: var(--brk-space-6);
  margin-bottom: var(--brk-space-4);
}

.entry-content ul li,
.entry-content ol li {
  margin-bottom: var(--brk-space-2);
}

.entry-content a {
  color: var(--brk-info);
  text-decoration: underline;
  text-decoration-color: rgba(59,130,246,0.4);
  transition: color var(--brk-transition), text-decoration-color var(--brk-transition);
}

.entry-content a:hover {
  color: var(--brk-accent-dark);
  text-decoration-color: var(--brk-accent-dark);
}

.entry-content strong {
  font-weight: var(--brk-weight-semi);
  color: var(--brk-gray-900);
}

.entry-content blockquote {
  border-left: 4px solid var(--brk-accent);
  padding: var(--brk-space-4) var(--brk-space-6);
  margin: var(--brk-space-6) 0;
  background: var(--brk-accent-light);
  border-radius: 0 var(--brk-radius-md) var(--brk-radius-md) 0;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--brk-space-6) 0;
  font-size: var(--brk-text-sm);
}

.entry-content table th {
  background: var(--brk-gray-900);
  color: var(--brk-white);
  padding: var(--brk-space-3) var(--brk-space-4);
  text-align: left;
  font-weight: var(--brk-weight-semi);
}

.entry-content table td {
  padding: var(--brk-space-3) var(--brk-space-4);
  border-bottom: 1px solid var(--brk-gray-200);
  vertical-align: top;
}

.entry-content table tr:nth-child(even) td {
  background: var(--brk-gray-50);
}

/* ============================================================
   LAYOUT — CONTAINER SİSTEMİ
   ============================================================ */

.brk-container {
  width: 100%;
  max-width: var(--brk-container);
  margin-inline: auto;
  padding-inline: var(--brk-space-6);
}

.brk-container--wide {
  max-width: var(--brk-container-wide);
}

.brk-container--text {
  max-width: var(--brk-container-text);
}

/* İki kolonlu layout (içerik + sidebar) */
.brk-layout {
  display: grid;
  grid-template-columns: 1fr var(--brk-sidebar-width);
  gap: var(--brk-space-10);
  align-items: start;
}

.brk-layout--full {
  grid-template-columns: 1fr;
}

@media (max-width: 1024px) {
  .brk-layout {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

/* Ekran okuyucu için 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-width: 0;
}

/* Metin hizalama */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

/* Renk yardımcıları */
.text-accent  { color: var(--brk-accent); }
.text-muted   { color: var(--brk-gray-600); }
.text-success { color: var(--brk-success); }
.text-danger  { color: var(--brk-danger); }

/* Arka plan yardımcıları */
.bg-dark   { background-color: var(--brk-dark); }
.bg-dark-2 { background-color: var(--brk-dark-2); }
.bg-accent { background-color: var(--brk-accent); }
.bg-gray   { background-color: var(--brk-gray-50); }

/* Flexbox yardımcıları */
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap    { flex-wrap: wrap; }
.gap-2 { gap: var(--brk-space-2); }
.gap-4 { gap: var(--brk-space-4); }
.gap-6 { gap: var(--brk-space-6); }

/* Grid yardımcıları */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--brk-space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--brk-space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }
}

/* Margin yardımcıları */
.mt-4  { margin-top: var(--brk-space-4); }
.mt-8  { margin-top: var(--brk-space-8); }
.mt-12 { margin-top: var(--brk-space-12); }
.mb-4  { margin-bottom: var(--brk-space-4); }
.mb-8  { margin-bottom: var(--brk-space-8); }

/* ============================================================
   BUTON SİSTEMİ
   ============================================================ */

.brk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--brk-space-2);
  padding: var(--brk-space-3) var(--brk-space-6);
  border-radius: var(--brk-radius-md);
  font-size: var(--brk-text-base);
  font-weight: var(--brk-weight-semi);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--brk-transition);
  white-space: nowrap;
}

.brk-btn:hover { text-decoration: none; }

/* Primary — Binance sarısı */
.brk-btn--primary {
  background: var(--brk-accent);
  color: var(--brk-dark);
  border-color: var(--brk-accent);
}

.brk-btn--primary:hover {
  background: var(--brk-accent-dark);
  border-color: var(--brk-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--brk-shadow-md);
}

.brk-btn--primary:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Secondary */
.brk-btn--secondary {
  background: transparent;
  color: var(--brk-gray-800);
  border-color: var(--brk-gray-300, #D1D5DB);
}

.brk-btn--secondary:hover {
  background: var(--brk-gray-100);
  border-color: var(--brk-gray-400);
}

/* Dark */
.brk-btn--dark {
  background: var(--brk-gray-900);
  color: var(--brk-white);
  border-color: var(--brk-gray-900);
}

.brk-btn--dark:hover {
  background: var(--brk-gray-800);
  border-color: var(--brk-gray-800);
}

/* Boyutlar */
.brk-btn--sm {
  padding: var(--brk-space-2) var(--brk-space-4);
  font-size: var(--brk-text-sm);
}

.brk-btn--lg {
  padding: var(--brk-space-4) var(--brk-space-8);
  font-size: var(--brk-text-lg);
  border-radius: var(--brk-radius-lg);
}

.brk-btn--xl {
  padding: var(--brk-space-5) var(--brk-space-10);
  font-size: var(--brk-text-xl);
  border-radius: var(--brk-radius-lg);
}

.brk-btn--full {
  width: 100%;
}

/* ============================================================
   KART SİSTEMİ
   ============================================================ */

.brk-card {
  background: var(--brk-white);
  border: 1px solid var(--brk-gray-200);
  border-radius: var(--brk-radius-xl);
  padding: var(--brk-space-6);
  transition: box-shadow var(--brk-transition-slow);
}

.brk-card:hover {
  box-shadow: var(--brk-shadow-lg);
}

.brk-card--dark {
  background: var(--brk-dark-2);
  border-color: var(--brk-dark-3);
  color: var(--brk-white);
}

.brk-card--accent {
  border-color: var(--brk-accent);
  border-width: 2px;
}

/* ============================================================
   BADGE / ETİKET SİSTEMİ
   ============================================================ */

.brk-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--brk-space-1);
  padding: var(--brk-space-1) var(--brk-space-3);
  border-radius: var(--brk-radius-full);
  font-size: var(--brk-text-xs);
  font-weight: var(--brk-weight-semi);
  line-height: 1.5;
}

.brk-badge--accent  { background: var(--brk-accent-light); color: #92400E; }
.brk-badge--success { background: var(--brk-success-light); color: #065F46; }
.brk-badge--dark    { background: var(--brk-gray-900); color: var(--brk-white); }
.brk-badge--gray    { background: var(--brk-gray-100); color: var(--brk-gray-800); }

/* ============================================================
   SECTION YAPISI
   ============================================================ */

.brk-section {
  padding-block: var(--brk-space-16);
}

.brk-section--sm {
  padding-block: var(--brk-space-10);
}

.brk-section--lg {
  padding-block: var(--brk-space-24);
}

.brk-section--dark {
  background: var(--brk-dark);
  color: var(--brk-white);
}

.brk-section--gray {
  background: var(--brk-gray-50);
}

.brk-section--accent {
  background: var(--brk-accent);
  color: var(--brk-dark);
}

/* Section başlık grubu */
.brk-section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--brk-space-12);
}

.brk-section-header .brk-badge {
  margin-bottom: var(--brk-space-4);
}

.brk-section-header h2 {
  margin-bottom: var(--brk-space-4);
}

.brk-section-header p {
  font-size: var(--brk-text-lg);
  color: var(--brk-gray-600);
}

/* ============================================================
   AYRAÇ / DİVİDER
   ============================================================ */

.brk-divider {
  border: none;
  border-top: 1px solid var(--brk-gray-200);
  margin-block: var(--brk-space-8);
}

/* ============================================================
   SKELETON LOADER (içerik yüklenirken)
   ============================================================ */

@keyframes brk-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.brk-skeleton {
  background: linear-gradient(
    90deg,
    var(--brk-gray-200) 25%,
    var(--brk-gray-100) 50%,
    var(--brk-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: brk-shimmer 1.5s infinite;
  border-radius: var(--brk-radius-sm);
}

/* ============================================================
   WORDPRESS CORE — ZORUNLU SINIFLARI
   ============================================================ */

.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: var(--brk-text-sm); color: var(--brk-gray-600); text-align: center; padding-top: var(--brk-space-2); }
.sticky { /* WordPress sticky post */ }
.bypostauthor { /* WordPress by post author */ }
.alignnone { float: none; }
.aligncenter { display: block; margin: var(--brk-space-6) auto; }
.alignright { float: right; margin: 0 0 var(--brk-space-4) var(--brk-space-4); }
.alignleft { float: left; margin: 0 var(--brk-space-4) var(--brk-space-4) 0; }

.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--brk-space-4); }
.gallery-item img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--brk-radius-md); }

/* Gutenberg block hizalama */
.wp-block-image.alignfull,
.wp-block-cover.alignfull {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
}

/* ============================================================
   MOBİL RESPONSIVE TEMEL
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --brk-space-16: 3rem;
    --brk-space-20: 4rem;
    --brk-space-24: 5rem;
  }

  .brk-container {
    padding-inline: var(--brk-space-4);
  }

  .brk-btn--xl {
    padding: var(--brk-space-4) var(--brk-space-6);
    font-size: var(--brk-text-base);
  }
}

@media (max-width: 480px) {
  .brk-container {
    padding-inline: var(--brk-space-3);
  }
}

/* ============================================================
   PRINT STİLLERİ
   ============================================================ */

@media print {
  .brk-no-print { display: none !important; }
  body { font-size: 12pt; color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
  h1, h2, h3 { page-break-after: avoid; }
}