/*
Theme Name: Ürün Hizmet Vitrini
Theme URI: https://example.com
Author: Notvar Şablonları
Author URI: https://example.com
Description: Ürün ve hizmet sunan firmalar için; kategori bazlı vitrin, isteğe bağlı üyelik sistemi, dosya/katalog paylaşımı, SEO sayfaları ve reklam alanları içeren, veritabanı tabanlı WordPress temasıdır.
Version: 1.0.0
Requires at least: 5.8
Requires PHP: 7.4
Text Domain: urun-hizmet-vitrini
*/

/* ============================================================
   TASARIM TOKENLARI — Koyu (varsayılan) ve Açık tema
   ============================================================ */
:root{
  --accent: #E8825B;

  --site-max-width: 1120px;
  --site-side-padding: 24px;
  --texture-opacity: 0.05;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;

  --font-display: "Sora", "Inter", sans-serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --shadow-md: 0 12px 32px rgba(0,0,0,0.35);
}

:root[data-theme="koyu"]{
  --bg: #0B0C0F;
  --surface: #17181C;
  --surface-2: #1E2024;
  --ink: #F2F3F5;
  --ink-soft: #A6ACB8;
  --ink-faint: #6E7480;
  --line: #2A2C32;
  --lock-bg: #241C16;
}
:root[data-theme="acik"]{
  --bg: #F5F7FA;
  --surface: #FFFFFF;
  --surface-2: #F0F2F5;
  --ink: #14213D;
  --ink-soft: #57647A;
  --ink-faint: #8A96AA;
  --line: #C7CFDC;
  --lock-bg: #FBEFE7;
  --shadow-md: 0 8px 24px rgba(20, 33, 61, 0.10);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background 0.2s ease, color 0.2s ease;
}
.hero__title, .page-head h1, .note-page h1, .panel__title, .brand__text{
  font-optical-sizing: auto;
  letter-spacing: -0.015em;
}
@media (prefers-reduced-motion: reduce){ *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; } }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; }
.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;
}

/* ---------------- Floating butonlar: tema değiştir (sol alt) + yukarı çık (sağ alt) ---------------- */
.floating-nav{ position:fixed; bottom:20px; z-index:35; }
.floating-nav--left{ left:20px; }
.floating-nav--right{ right:20px; opacity:0; visibility:hidden; transform:translateY(10px); transition:opacity 0.2s ease, transform 0.2s ease, visibility 0.2s; }
.floating-nav--right.visible{ opacity:1; visibility:visible; transform:translateY(0); }
.floating-nav__btn{
  width:46px; height:46px; border-radius:999px; background:var(--surface); border:1px solid var(--line);
  box-shadow: var(--shadow-md); display:flex; align-items:center; justify-content:center;
  color: var(--ink-soft); cursor:pointer;
}
.floating-nav__btn:hover{ color: var(--ink); border-color: var(--ink-faint); }
#themeToggle svg{ width: 18px; height: 18px; }
[data-theme="koyu"] #themeToggle .icon-sun{ display:none; }
[data-theme="acik"] #themeToggle .icon-moon{ display:none; }

/* ---------------- Top bar ---------------- */
.topbar{ position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: box-shadow 0.2s ease; }
.topbar.is-scrolled{ box-shadow: var(--shadow-md); }
.topbar__inner{ max-width: var(--site-max-width); margin: 0 auto; padding: 14px var(--site-side-padding); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; }
.topbar__left{ display:flex; align-items:center; gap:18px; min-width:0; order:1; }
.topbar__center{ display:flex; align-items:center; justify-content:center; order:2; }
.topbar__right{ display:flex; align-items:center; gap:14px; justify-content:flex-end; min-width:0; order:3; }
.logo-sag .topbar__left{ order:3; justify-content:flex-end; }
.logo-sag .topbar__right{ order:1; justify-content:flex-start; }
.logo-orta .topbar__left{ justify-content:center; }

.brand{ display: flex; align-items: center; gap: 8px; }
.brand img{ max-height: 40px; display:block; }
.site-logo--koyu, .site-logo--acik{ max-height: 40px; }
[data-theme="koyu"] .site-logo--acik{ display:none; }
[data-theme="acik"] .site-logo--koyu{ display:none; }
.brand__mark{ color: var(--accent); display: inline-flex; }
.brand__text{ font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }

.header-menu ul{ display:flex; align-items:center; gap:28px; list-style:none; margin:0; padding:0; }
.header-menu__item{ position:relative; }
.header-menu__link{
  display:inline-flex; align-items:center; gap:6px; background:none; border:none; cursor:pointer;
  font-family: var(--font-display); font-size:1.05rem; font-weight:700; color: var(--ink);
  padding: 6px 0; transition: color 0.15s ease;
}
.header-menu__link:hover{ color: var(--accent); }
.header-menu__dropdown{
  position:absolute; top: calc(100% + 14px); left:50%; transform: translateX(-50%);
  min-width:220px; max-width:320px; background: var(--surface); border:1px solid var(--line);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-md); padding:8px;
  display:flex; flex-direction:column; gap:2px;
  opacity:0; visibility:hidden; transform-origin:top center; transform: translateX(-50%) translateY(-6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  z-index: 40;
}
.header-menu__dropdown a{
  display:flex; align-items:center; gap:8px; padding:9px 12px; border-radius:6px;
  font-size:0.88rem; font-weight:500; color: var(--ink-soft);
}
.header-menu__dropdown a:hover{ background: var(--surface-2); color: var(--ink); }
.header-menu__dropdown img{ width:20px; height:20px; border-radius:5px; object-fit:cover; flex-shrink:0; }
.has-dropdown:hover .header-menu__dropdown,
.has-dropdown.open .header-menu__dropdown{ opacity:1; visibility:visible; transform: translateX(-50%) translateY(0); }
@media (max-width: 900px){
  .header-menu--desktop{ display:none; }
}

/* ---------------- Mobil hamburger menü butonu + açılır panel ---------------- */
.mobile-menu-toggle{
  display:none; align-items:center; gap:7px; background:none; border:1px solid var(--line);
  border-radius:999px; padding:8px 14px; font-family: var(--font-display); font-weight:700;
  font-size:0.82rem; color: var(--ink); cursor:pointer;
}
.mobile-menu-toggle:hover{ border-color: var(--ink-faint); }
@media (max-width: 900px){ .mobile-menu-toggle{ display:flex; } }

.mobile-menu-panel{
  position:fixed; top: var(--header-h, 62px); left:0; right:0; z-index:19;
  max-height:0; overflow:hidden; background: var(--surface); border-bottom: 0 solid var(--line);
  box-shadow: var(--shadow-md); transition: max-height 0.3s ease;
}
.mobile-menu-panel.open{ max-height:70vh; overflow-y:auto; border-bottom:1px solid var(--line); }
@media (min-width: 901px){ .mobile-menu-panel{ display:none; } }
.mobile-menu-panel .header-menu--mobil ul{ display:flex; flex-direction:column; gap:0; padding:10px var(--site-side-padding) 18px; margin:0 auto; max-width: var(--site-max-width); list-style:none; }
.mobile-menu-panel .header-menu__item{ border-bottom:1px solid var(--line); }
.mobile-menu-panel .header-menu__item:last-child{ border-bottom:none; }
.mobile-menu-panel .header-menu__link{ display:block; padding:13px 4px; font-size:1rem; }
.mobile-menu-panel .header-menu__mobil-heading{
  display:block; padding:14px 4px 6px; font-weight:700; color: var(--ink-faint);
  font-size:0.76rem; text-transform:uppercase; letter-spacing:0.05em;
}
.mobile-menu-panel .header-menu__dropdown{
  position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; border:none;
  padding:0 0 6px 10px; margin:0; background:none; display:flex; flex-direction:column; gap:0; min-width:0; max-width:none;
}
.mobile-menu-panel .header-menu__dropdown a{ padding:9px 4px; font-size:0.92rem; }

.auth-links{ font-size: 0.86rem; color: var(--ink-soft); white-space: nowrap; }
.auth-links a{ color: var(--ink-soft); }
.auth-links .auth-cta{ color: var(--accent); font-weight: 600; }
.auth-hello{ margin-right: 4px; }

.social-icons{ display:flex; gap:10px; }
.social-icons a{ width:32px; height:32px; border-radius:999px; background:var(--surface-2); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--ink-soft); }
.social-icons a:hover{ color: var(--accent); }
.social-icons svg{ width:16px; height:16px; }

/* ---------------- Hero ---------------- */
.hero{ max-width: 720px; margin: 0 auto; padding: 44px 24px 20px; text-align: center; }
.hero__eyebrow{ font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 14px; }
.hero__title{ font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2.4rem); line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 10px; }
.hero__sub{ color: var(--ink-soft); font-size: 1rem; margin: 0; }

/* ---------------- Hero Slider (anasayfa üst slaytı) ---------------- */
.hero-slider{ position: relative; overflow: hidden; margin: 0 auto 8px; height: var(--hero-h, 480px); max-height: 70vh; }
.hero-slider__track{ display: flex; height: 100%; transition: transform 0.6s cubic-bezier(.65,0,.35,1); }
.hero-slide{
  flex: 0 0 100%; height: 100%; position: relative; display: flex; align-items: center;
  background-color: var(--surface-2); background-size: cover; background-position: center;
}
.hero-slide__overlay{
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.45) 45%, rgba(0,0,0,0.15) 75%);
}
:root[data-theme="acik"] .hero-slide__overlay{
  background: linear-gradient(90deg, rgba(10,14,24,0.62) 0%, rgba(10,14,24,0.32) 45%, rgba(10,14,24,0.08) 75%);
}
.hero-slide__content{ position: relative; z-index: 2; max-width: var(--site-max-width); width: 100%; margin: 0 auto; padding: 0 var(--site-side-padding); color: #fff; display:flex; flex-direction:column; }
.hero-slide__content.align-sol{ align-items:flex-start; text-align:left; }
.hero-slide__content.align-orta{ align-items:center; text-align:center; }
.hero-slide__content.align-sag{ align-items:flex-end; text-align:right; }
.hero-slide__title{ font-family: var(--font-display); font-size: clamp(1.7rem, 4.2vw, 3rem); line-height: 1.1; letter-spacing: -0.015em; max-width: 620px; margin: 0 0 14px; text-shadow: 0 2px 16px rgba(0,0,0,0.25); }
.hero-slide__desc{ font-size: clamp(0.95rem, 1.6vw, 1.1rem); max-width: 520px; color: rgba(255,255,255,0.88); margin: 0 0 26px; line-height: 1.5; }
.hero-slide__actions{ display: flex; gap: 12px; flex-wrap: wrap; }
.hero-slide__actions.align-sol{ justify-content:flex-start; }
.hero-slide__actions.align-orta{ justify-content:center; }
.hero-slide__actions.align-sag{ justify-content:flex-end; }
.hero-slide__btn{ display: inline-flex; align-items: center; padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 0.94rem; transition: transform 0.15s ease, opacity 0.15s ease; }
.hero-slide__btn:hover{ transform: translateY(-2px); }
.hero-slide__btn--primary{ background: var(--accent); color: #fff; }
.hero-slide__btn--secondary{ background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.4); backdrop-filter: blur(6px); }
.hero-slider__arrow{
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 44px; height: 44px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.3);
  background: rgba(0,0,0,0.3); backdrop-filter: blur(6px); color: #fff; cursor: pointer; font-size: 1.3rem;
}
.hero-slider__arrow:hover{ background: rgba(0,0,0,0.5); }
.hero-slider__arrow--left{ left: 18px; }
.hero-slider__arrow--right{ right: 18px; }
.hero-slider__dots{ position: absolute; z-index: 5; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.hero-slider__dot{ width: 9px; height: 9px; border-radius: 999px; background: rgba(255,255,255,0.45); border: none; cursor: pointer; padding: 0; transition: background 0.2s ease, width 0.2s ease; }
.hero-slider__dot.active{ background: #fff; width: 22px; border-radius: 999px; }
@media (max-width: 640px){
  .hero-slider{ height: 340px !important; }
  .hero-slider__arrow{ display: none; }
  .hero-slide__desc{ display: none; }
}

/* ---------------- Ürün/Hizmet kartları (item-grid) ---------------- */
.item-grid{ max-width: var(--site-max-width); margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; padding: 6px 0; }
.item-grid > p.loading-text, .item-grid > p.subject__empty, .item-grid > p.empty-state{ grid-column: 1 / -1; }
.item-card{
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.item-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-md); }
.item-card__media{ position: relative; width: 100%; height: 150px; background: var(--surface-2); overflow: hidden; }
.item-card__media img{ width: 100%; height: 100%; object-fit: cover; display: block; }
.item-card__media-placeholder{ width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 2rem; opacity: 0.35; }
.item-card__lock{ position: absolute; top: 10px; right: 10px; background: rgba(0,0,0,0.55); color: #fff; width: 28px; height: 28px; border-radius: 999px; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; }
.item-card__body{ padding: 14px 16px 4px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.item-card__etiket{ font-family: var(--font-mono); font-size: 0.68rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.04em; }
.item-card__title{ font-family: var(--font-display); font-size: 0.98rem; font-weight: 600; line-height: 1.3; margin: 0; color: var(--ink); }
.item-card__fiyat{ font-size: 0.82rem; color: var(--ink-soft); margin-top: 2px; }
.item-card__cta{ display: block; padding: 12px 16px; margin-top: 8px; font-weight: 600; font-size: 0.84rem; color: var(--ink-soft); border-top: 1px solid var(--line); transition: color 0.15s ease; }
.item-card:hover .item-card__cta{ color: var(--accent); }
.item-card--locked .item-card__title{ opacity: 0.7; }
.tum-urunler-link{ text-align: center; padding: 18px 0 4px; }
.tum-urunler-link a{ font-weight: 600; color: var(--accent); }
.note-page__tag--fiyat{ color: var(--accent); border-color: var(--accent); }

/* ---------------- Reklam alanları ---------------- */
.ad-slot{ max-width: var(--site-max-width); margin: 20px auto; padding: 0 var(--site-side-padding); }
.ad-slot:empty{ display:none; }

/* ---------------- Grade picker ---------------- */
.grade-picker{ max-width: var(--site-max-width); margin: 0 auto; padding: 0 var(--site-side-padding); }

.grade-tabs.mode-kaydirma{ display: flex; gap: 6px; overflow-x: auto; padding: 6px 4px 14px; scrollbar-width: thin; }
.grade-tabs.mode-izgara2, .grade-tabs.mode-izgara3{ display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; padding: 6px 4px 14px; }
.mode-izgara2 .grade-tab, .mode-izgara3 .grade-tab{ flex: 0 1 calc(100% / var(--kategori-sutun, 6) - 8px); min-width: 108px; }
@media (max-width: 640px){
  .mode-izgara2 .grade-tab, .mode-izgara3 .grade-tab{ flex: 0 1 calc(50% - 8px); }
}

.grade-tab{
  flex: 0 0 auto; font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  color: var(--ink-soft); background: var(--surface); border: 1px solid var(--line);
  padding: 12px 14px 10px; cursor: pointer; text-align:center;
  transition: color 0.15s ease, transform 0.15s ease;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.grade-tab__icon{ width: 30px; height: 30px; object-fit: cover; border-radius: 8px; }
.mode-kaydirma .grade-tab{ border-bottom: none; clip-path: polygon(10% 0%, 90% 0%, 100% 100%, 0% 100%); flex-direction: row; }
.mode-kaydirma .grade-tab .grade-tab__icon{ width: 20px; height: 20px; border-radius: 5px; }
.grade-tab:hover{ color: var(--ink); transform: translateY(-2px); }
.grade-tab{ box-shadow: inset 0 3px 0 var(--accent); }
.grade-tab.active{ background: var(--surface-2); color: var(--ink); box-shadow: var(--shadow-md), inset 0 3px 0 var(--accent); }

/* Açılır pencere modu */
.grade-dropdown-trigger{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  width:100%; padding:14px 18px; background:var(--surface); border:1px solid var(--line);
  border-radius: var(--radius); color:var(--ink); font-family:var(--font-display); font-weight:600; cursor:pointer;
}
.grade-modal-overlay{ position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:50; display:none; align-items:center; justify-content:center; padding:24px; }
.grade-modal-overlay.open{ display:flex; }
.grade-modal{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); padding:24px; max-width:420px; width:100%; }
.grade-modal h3{ margin:0 0 14px; font-family:var(--font-display); }
.grade-modal__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.grade-modal__grid button{ padding:14px 6px; border-radius:var(--radius-sm); border:1px solid var(--line); background:var(--surface-2); color:var(--ink); font-weight:600; cursor:pointer; display:flex; flex-direction:column; align-items:center; gap:6px; }
.grade-modal__grid button img{ width:26px; height:26px; object-fit:cover; border-radius:6px; }
.grade-modal__close{ margin-top:16px; text-align:right; }
.grade-modal__close button{ background:none; border:none; color:var(--ink-faint); cursor:pointer; }

/* ---------------- Panel (anasayfa) ---------------- */
.panel{ max-width: var(--site-max-width); margin: 0 auto 56px; padding: 0 var(--site-side-padding); }
.dynamic-search-panel{ margin-top: 24px; }
.panel__head{ background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius) var(--radius) 0 0; padding: 20px 26px 16px; display: flex; align-items: baseline; justify-content: space-between; }
.panel__title{ font-family: var(--font-display); font-size: 1.25rem; margin: 0; }
.panel__count{ font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-faint); }
.subjects{ background: var(--surface); border: 1px solid var(--line); border-top: none; border-radius: 0 0 var(--radius) var(--radius); overflow: hidden; min-height: 60px; }

.subject-link{ display:flex; align-items:center; justify-content:space-between; gap:12px; padding:15px 26px; border-top:1px solid var(--line); }
.subject-link:first-child{ border-top:none; }
.subject-link__name{ font-weight:600; font-size:0.95rem; }
.subject-link__badge{ font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }
.subject-link:hover .subject-link__name{ color: var(--accent); }

.loading-text, .subject__empty{ padding: 14px 26px; color: var(--ink-faint); font-size: 0.85rem; font-style: italic; }
.empty-state{ text-align: center; color: var(--ink-faint); padding: 30px 0; }

/* ---------------- Not satırları (ders sayfası içinde) ---------------- */
.note-row{ display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; border-radius: var(--radius-sm); background: var(--surface-2); margin-top: 8px; border: 1px solid var(--line); }
.note-row__info{ display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.note-row__title{ font-weight: 500; font-size: 0.94rem; color: var(--ink); }
a.note-row__title{ cursor: pointer; }
a.note-row__title:hover{ color: var(--accent); text-decoration: underline; }
.note-row__tags{ display: flex; gap: 8px; font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-faint); }
.note-row.locked{ background: var(--lock-bg); }
.note-row__lock{ font-size:0.78rem; color: var(--accent); font-weight:600; }
.goto-btn{ flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px; background: transparent; color: var(--ink); font-weight: 600; font-size: 0.82rem; padding: 9px 16px; border-radius: 999px; border: 1px solid var(--ink-faint); transition: transform 0.15s ease, background 0.15s ease; }
.goto-btn:hover{ transform: translateY(-1px); background: var(--surface); border-color: var(--ink); }

.load-more-wrap{ text-align:center; padding: 18px 26px; }
.load-more-btn{ background:var(--surface-2); border:1px solid var(--line); color:var(--ink); padding:10px 22px; border-radius:999px; cursor:pointer; font-weight:600; }

/* ---------------- Ders Sayfası şablonu ---------------- */
.breadcrumb{ max-width: var(--site-max-width); margin:0 auto; padding: 18px var(--site-side-padding) 0; font-size:0.8rem; color:var(--ink-faint); }
.breadcrumb a{ color: var(--ink-faint); }
.breadcrumb a:hover{ color: var(--accent); }
.page-head{ max-width: var(--site-max-width); margin:0 auto; padding: 10px var(--site-side-padding) 20px; }
.page-head h1{ font-family: var(--font-display); font-size: clamp(1.4rem, 3.2vw, 2rem); margin: 6px 0 12px; }
.page-head__intro{ color: var(--ink-soft); max-width: none; }
.page-head__intro p{ max-width: none; }

/* ---------------- Tekil not sayfası ---------------- */
.note-page{ max-width: 720px; margin: 0 auto; padding: 20px 24px 60px; }
.note-page h1{ font-family: var(--font-display); font-size: clamp(1.3rem, 3vw, 1.9rem); margin: 10px 0 16px; }
.note-page__tags{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom: 20px; }
.note-page__tag{ font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; }
.lock-panel{ background: var(--lock-bg); border:1px solid var(--line); border-radius:var(--radius); padding:28px; text-align:center; margin: 20px 0; }
.lock-panel h2{ font-family: var(--font-display); margin-top:0; }
.lock-panel .btn-row{ display:flex; gap:10px; justify-content:center; margin-top:16px; flex-wrap:wrap; }
.lock-panel .btn{ padding:10px 20px; border-radius:999px; font-weight:600; }
.lock-panel .btn-primary{ background:var(--accent); color:#fff; }
.lock-panel .btn-secondary{ background:var(--surface-2); color:var(--ink); border:1px solid var(--line); }
.lock-hint{ background: var(--lock-bg); border:1px solid var(--line); border-radius: var(--radius-sm); padding:12px 16px; font-size:0.88rem; margin: 0 0 16px; }
.lock-hint a{ color: var(--accent); font-weight:600; }

/* ---------------- İletişim Butonları (Telefon Et / Mail At / WhatsApp'tan Sor) ---------------- */
.iletisim-buttons{ display:flex; gap:12px; flex-wrap:wrap; margin: 22px 0 34px; }
.iletisim-btn{
  flex: 1 1 180px; display:flex; align-items:center; justify-content:center; gap:9px;
  padding:15px 20px; border-radius:999px; font-weight:700; font-size:0.94rem; color:#fff;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.iletisim-btn:hover{ transform: translateY(-2px); opacity:0.94; }
.iletisim-btn--tel{ background: var(--btn-tel-renk, #3B82F6); }
.iletisim-btn--mail{ background: var(--btn-mail-renk, #F59E0B); }
.iletisim-btn--wa{ background: var(--btn-wa-renk, #25D366); }
@media (max-width: 560px){ .iletisim-btn{ flex: 1 1 100%; } }

/* ---------------- Header — yanıp sönen hızlı iletişim butonları ---------------- */
.header-cta{ display:flex; gap:8px; }
.header-cta__btn{
  display:flex; align-items:center; gap:6px; padding:8px 14px; border-radius:999px;
  font-weight:700; font-size:0.8rem; color:#fff; white-space:nowrap;
  animation: dna-header-cta-blink 1.6s ease-in-out infinite;
}
.header-cta__btn--tel{ background:#3B82F6; }
.header-cta__btn--wa{ background:#25D366; }
@keyframes dna-header-cta-blink{
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}
@media (prefers-reduced-motion: reduce){ .header-cta__btn{ animation: none; } }
@media (max-width: 780px){
  .header-cta__btn span{ display:none; }
  .header-cta__btn{ padding:11px; min-width:44px; min-height:44px; justify-content:center; }
}
.btn-mini-cta{ display:inline-block; margin-top:8px; background: var(--accent); color:#fff; font-weight:700; padding:9px 18px; border-radius:999px; font-size:0.84rem; }
.related-notes{ margin-top: 40px; border-top:1px solid var(--line); padding-top:20px; }
.related-notes h2{ font-family: var(--font-display); font-size:1.05rem; }

/* ---------------- Ana sayfa: ders satırı içi önizleme (accordion) ---------------- */
.subject-preview{ border-top:1px solid var(--line); background: var(--surface-2); padding: 4px 26px 16px; }
.subject-preview .note-row{ margin-top:8px; }
.subject-preview__more{ text-align:center; margin-top:12px; }
.subject-preview__more a{ display:inline-block; padding:9px 18px; border-radius:999px; border:1px solid var(--ink-faint); font-weight:600; font-size:0.84rem; color: var(--ink); }
.subject-preview__more a:hover{ background: var(--surface); }
.subject-link{ cursor:pointer; }
.subject-link .subject-link__chevron{ color: var(--ink-faint); transition: transform 0.2s ease; display:inline-flex; margin-left:4px; }
.subject-link.open .subject-link__chevron{ transform: rotate(180deg); }

/* ---------------- Footer ---------------- */
.site-footer{ border-top:1px solid var(--line); margin-top: 30px; }
.footer-logo{ display:flex; justify-content:center; padding: 34px 24px 0; }
.footer-logo a{ display:inline-flex; align-items:center; color:inherit; }
.social-icons--footer{ justify-content:center; padding: 16px 24px 4px; }
.footer-pages{ text-align:center; padding: 14px 24px 0; font-size:0.84rem; color: var(--ink-faint); }
.footer-pages a{ color: var(--ink-soft); }
.footer-pages a:hover{ color: var(--accent); }
.footer-pages__sep{ margin: 0 10px; color: var(--ink-faint); }
.footer-bottom{ max-width: var(--site-max-width); margin: 0 auto; padding: 16px var(--site-side-padding) 40px; display:flex; flex-wrap:wrap; gap:16px; align-items:center; justify-content:space-between; color: var(--ink-faint); font-size: 0.82rem; }
.footer-credit a{ color: var(--ink-faint); }
.footer-credit a:hover{ color: var(--accent); }
@media (max-width: 640px){
  .footer-bottom{ flex-direction:column; justify-content:center; text-align:center; padding-bottom: 100px; }
}

/* ---------------- Arka Plan Dokuları ---------------- */
body{ position: relative; }
body::before{
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--texture-opacity, 0.05);
}
main, .site-footer{ position: relative; z-index: 1; }

body[data-bg-texture="duz"]::before{ display:none; }

body[data-bg-texture="noktalar"]::before{
  background-image: radial-gradient(var(--ink) 1px, transparent 1px);
  background-size: 22px 22px;
}
body[data-bg-texture="cizgiler-yatay"]::before{
  background-image: repeating-linear-gradient(0deg, var(--ink) 0 1px, transparent 1px 24px);
}
body[data-bg-texture="cizgiler-dikey"]::before{
  background-image: repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 24px);
}
body[data-bg-texture="capraz"]::before{
  background-image: repeating-linear-gradient(45deg, var(--ink) 0 1px, transparent 1px 26px);
}
body[data-bg-texture="capraz-cift"]::before{
  background-image:
    repeating-linear-gradient(45deg, var(--ink) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(-45deg, var(--ink) 0 1px, transparent 1px 30px);
}
body[data-bg-texture="izgara"]::before{
  background-image:
    repeating-linear-gradient(0deg, var(--ink) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 32px);
}
body[data-bg-texture="baklava"]::before{
  background-image:
    repeating-linear-gradient(45deg, var(--ink) 0 1px, transparent 1px 20px),
    repeating-linear-gradient(-45deg, var(--ink) 0 1px, transparent 1px 20px);
  background-size: 40px 40px;
}
body[data-bg-texture="daireler"]::before{
  background-image: radial-gradient(circle, transparent 8px, var(--ink) 9px, transparent 10px);
  background-size: 34px 34px;
}
body[data-bg-texture="arti"]::before{
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: center;
  mask-image: radial-gradient(circle, black 1px, transparent 1.5px);
  mask-size: 28px 28px;
}
body[data-bg-texture="yildiz-tozu"]::before{
  background-image: radial-gradient(var(--ink) 1px, transparent 1px), radial-gradient(var(--ink) 1px, transparent 1px);
  background-size: 60px 60px, 90px 90px;
  background-position: 0 0, 30px 45px;
}
body[data-bg-texture="dalga"]::before{
  background-image: repeating-radial-gradient(circle at 0 0, transparent 0, var(--ink) 26px);
  background-size: 26px 26px;
}
body[data-bg-texture="ozel"]::before{
  background-image: var(--custom-bg-image, none);
  background-repeat: repeat;
  background-size: 220px auto;
}
/* ---------------- Responsive ---------------- */
@media (max-width: 780px){
  .topbar__inner{ display:flex; flex-wrap:wrap; align-items:center; row-gap:10px; }
  .topbar__left{ display:contents; }
  .brand{ order:1; flex:0 0 100%; display:flex; justify-content:center; }
  .mobile-menu-toggle{ order:2; }
  .topbar__center{ display:none; }
  .topbar__right{ order:3; margin-left:auto; }
}
@media (max-width: 640px){
  .subject-link{ padding: 14px 16px; }
  .panel__head{ padding: 16px 18px 12px; }
  .note-row{ flex-direction: column; align-items: flex-start; }
  .goto-btn{ align-self: stretch; justify-content: center; }
}