/* Menar-ı Tedris – yalın, erişilebilir beyaz/yeşil arayüz (v4)
   Önceki uygulamanın tüm işlevleri korunur; bu dosya yalnızca görünümü değiştirir. */
:root {
  --green:#17613e;
  --green-dark:#104e32;
  --green-mid:#17613e;
  --mint:#edf5ef;
  --mint-2:#f7faf8;
  --white:#fff;
  --text:#1e2d25;
  --muted:#68766e;
  --line:#dfe7e1;
  --shadow:none;
  --radius:8px;
}
* {scroll-margin-top:84px}
html,body {background:#fff}
body {font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;font-size:14px;line-height:1.65;color:var(--text);font-weight:400}
.container {width:min(1100px,calc(100% - 64px))}
h1,h2,h3,h4 {letter-spacing:-.025em;line-height:1.3;color:var(--text)}
h1 {font-size:clamp(37px,4.2vw,52px);font-weight:650}
h2 {font-size:clamp(24px,2.6vw,31px);font-weight:630}
h3 {font-weight:600}
p {color:var(--muted)}
.section {padding:63px 0}
.section-heading {margin-bottom:25px;align-items:end}
.section-heading h2 {margin:9px 0 6px}
.section-heading p {font-size:13px;line-height:1.65}
.overline {color:var(--green);font-weight:650;font-size:10px;letter-spacing:.07em}
.overline .dot {display:none}
.link-more {font-size:12px;font-weight:650;gap:8px}
.link-more:hover {gap:8px;text-decoration:underline;text-underline-offset:3px}
.btn {border-radius:6px;min-height:43px;padding:10px 18px;font-size:12px;font-weight:600;transition:background-color .15s,border-color .15s;box-shadow:none}
.btn:hover {transform:none}
.btn-primary {background:var(--green);color:white}
.btn-primary:hover {background:var(--green-dark)}
.btn-outline {background:#fff;border:1px solid #cbd9cd;color:var(--green)}
.btn-outline:hover {border-color:var(--green)}
.btn-light {background:#eff5f0;color:var(--green)}
.btn-white {background:#fff;color:var(--green)}
.btn-whatsapp {background:var(--green);color:white}
.btn-whatsapp:hover {background:var(--green-dark)}
.btn-sm {min-height:35px;padding:7px 13px;font-size:11px}
.tag {font-size:11px;font-weight:600;border-radius:4px}
.header {background:#fff;border-bottom:1px solid var(--line);box-shadow:none;backdrop-filter:none}
.header-inner {height:74px;gap:56px}
.brand {min-width:238px;gap:10px}
.brand-icon {width:35px;height:35px;border-radius:7px;background:transparent;color:var(--green);border:1px solid var(--green)}
.brand-icon svg {width:22px;height:22px}
.brand-title {font-size:19px;color:var(--green);letter-spacing:-.045em;font-weight:500}
.brand-title b {font-weight:700}
.nav-desktop {gap:32px}
.nav-desktop a {font-size:12px;font-weight:500;color:#4e5e55}
.nav-desktop a:hover,.nav-desktop a.is-active {color:var(--green)}
.header-account {gap:7px}
.user-chip {font-weight:600}
.user-dot {background:#edf5ef}
.mobile-trigger {border-radius:6px}
/* Başlık: illüstrasyon, yapay gölgeler veya gradient yok */
.hero {background:#fff;border-bottom:1px solid var(--line);padding:79px 0 76px;overflow:visible}
.hero-inner {grid-template-columns:minmax(0,1fr) 310px;gap:100px;align-items:center}
.hero-kicker {font-size:11px;font-weight:700;letter-spacing:.11em;color:var(--green)}
.hero h1 {color:var(--text);margin:15px 0 17px;max-width:570px;letter-spacing:-.045em}
.hero h1 span {color:var(--green)}
.hero p {font-size:14px;line-height:1.85;color:var(--muted);max-width:515px;margin:0 0 25px}
.hero-actions {gap:9px}
.hero-side {border:1px solid var(--line);padding:23px 24px;background:white;border-radius:8px;max-width:340px}
.hero-side h2 {font-size:15px;font-weight:650;margin:0 0 17px;letter-spacing:0}
.hero-step {display:flex;align-items:baseline;gap:13px;padding:11px 0;border-top:1px solid #edf1ee}
.hero-step span {color:var(--green);font-weight:700;font-size:11px}
.hero-step p {font-size:12px;line-height:1.6;color:#58675d;margin:0}
/* Kategoriler poster kutuları değil, tıklanabilir sade satırlar */
.category-section {padding-bottom:65px}
.categories {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px;row-gap:0;border-top:1px solid var(--line)}
.category-card {display:flex;gap:16px;align-items:center;background:#fff;border:0;border-bottom:1px solid var(--line);border-radius:0;min-height:70px;padding:16px 3px;transition:none}
.category-card:hover {transform:none;box-shadow:none;border-color:var(--line);background:#fff;color:var(--green)}
.cat-index {font-size:12px;color:#8d9e90;min-width:24px;font-variant-numeric:tabular-nums}
.cat-name {flex:1;font-size:14px;font-weight:580;line-height:1.45}
.cat-arrow {font-size:20px;color:var(--green);font-weight:400;margin-left:auto}
/* Kurs kartları fotoğraf efekti olmayan gerçek ürün kartları */
.featured-section {background:#fff;border-top:1px solid var(--line)}
.cards {grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.course-card {border-radius:7px;border:1px solid var(--line);box-shadow:none;transition:border-color .15s;overflow:hidden}
.course-card:hover {transform:none;box-shadow:none;border-color:#a8c9b1}
.course-art {height:92px;background:#f4f8f5;display:flex;align-items:center;justify-content:space-between;padding:18px 22px;gap:10px;overflow:hidden}
.course-art:before,.course-art::before,.course-art.is-dark:before {display:none}
.course-art.is-dark {background:#f4f8f5}
.course-no,.course-art.is-dark .course-no {position:static;font-size:10px;font-weight:650;letter-spacing:0;color:var(--green)}
.course-symbol,.course-art.is-dark .course-symbol {width:40px;height:40px;border:0;border-radius:0;background:transparent;color:var(--green);margin:0}
.course-symbol svg {width:27px;height:27px}
.course-info {padding:22px}
.course-info .overline {font-size:10px;font-weight:600}
.course-info h3 {font-size:16px;font-weight:650;line-height:1.5;letter-spacing:-.02em;margin:10px 0 6px}
.course-info p {font-size:12px;line-height:1.7;margin-bottom:17px;min-height:40px}
.course-bottom {padding-top:14px;border-color:var(--line)}
.course-bottom span {font-size:11px}
.course-bottom b {font-size:11px;font-weight:600}
.home-bottom {border-top:1px solid var(--line);padding:37px 0 48px;background:#fff}
.home-bottom .container {display:flex;justify-content:space-between;gap:24px;align-items:center}
.home-bottom strong {font-size:15px;font-weight:650}
.home-bottom p {font-size:12px;margin:5px 0 0}
/* Diğer sayfalar, öğrenci paneli, giriş ve yönetim */
.page-hero {background:#fff;padding:48px 0 42px;border-color:var(--line)}
.page-hero h1 {font-size:clamp(28px,3.3vw,37px);color:var(--text);letter-spacing:-.025em;margin:10px 0 9px}
.page-hero p {font-size:13px}
.page-main {padding:37px 0 76px}
.filter-btn {border-color:var(--line);border-radius:5px;font-size:12px;font-weight:500;padding:8px 13px}
.filter-btn.active,.filter-btn:hover {background:var(--green);border-color:var(--green)}
.search-field {border-radius:5px}
.breadcrumbs {font-size:12px;color:var(--muted);margin-bottom:30px}
.breadcrumbs a {font-weight:500}
.course-hero-grid {grid-template-columns:minmax(0,1fr);gap:0}
.course-hero-grid h1 {font-size:clamp(28px,3.8vw,41px);margin:11px 0}
.course-hero-grid p {font-size:14px;max-width:650px;line-height:1.75}
.detail-art {display:none}
.detail-meta {gap:20px;font-weight:500;font-size:12px}
.detail-grid {grid-template-columns:minmax(0,1fr) 300px;gap:45px;margin-top:42px}
.detail-aside {border-radius:6px;padding:23px;top:92px}
.content-box h2 {font-size:21px}
.content-box p {font-size:13px;line-height:1.85}
.lesson-list,.playlist {border-radius:6px}
.lesson-row {padding:14px 15px;border-bottom-color:var(--line)}
.lesson-count {width:29px;height:29px;background:#f2f7f3;color:var(--green);border-radius:4px;font-size:11px}
.lesson-row .lesson-info strong {font-size:12px;font-weight:600}
.lesson-row.is-current {background:#f1f8f3}
.detail-actions {margin:24px 0}
.notice-box {background:#f6faf7;border-radius:6px;border-color:var(--line)}
.live-cards {gap:10px}
.live-card {border-radius:6px}
.live-date {background:#f1f7f2;border-radius:5px}
.empty {border:1px solid var(--line);border-radius:6px;background:#fff}
.empty-symbol {background:#f1f7f2}
.my-course,.order {border-radius:6px}
.my-course-icon {border-radius:6px}
/* Videoda ana odak video, sağda düz ders listesi */
.player-page {background:#fff;padding:27px 0 70px}
.player-grid {grid-template-columns:minmax(0,1fr) 310px;gap:18px}
.player-screen {background:#101b14;border-radius:5px}
.player-toolbar {margin-bottom:19px}
.player-toolbar a {font-weight:600}
.player-foot {padding:22px 1px}
.player-foot h1 {font-size:20px;letter-spacing:-.02em}
.playlist {border-radius:5px}
.playlist-header {padding:17px}
.playlist-header h3 {font-size:14px}
/* Modal */
.modal-overlay {background:rgba(13,26,17,.5)}
.modal-dialog {border-radius:8px;padding:31px;box-shadow:0 14px 48px #0b1b1233}
.modal-close {background:#f2f7f3;border-radius:4px}
.modal-mark {background:#eff6f0;color:var(--green);border-radius:6px;width:42px;height:42px}
.modal-dialog h2 {font-size:23px}
.field label {font-size:12px;font-weight:600;color:#4b5d50}
.field input,.field select,.field textarea {font-size:13px;border-radius:5px;border-color:var(--line);padding:11px 13px}
.field input:focus,.field select:focus,.field textarea:focus {box-shadow:0 0 0 2px #e1efe6;border-color:var(--green)}
.modal-switch button {color:var(--green)}
/* Yönetim paneli */
.admin-wrap {grid-template-columns:175px minmax(0,1fr);gap:24px}
.admin-menu {border-radius:6px;padding:7px;top:95px}
.admin-tab {font-size:12px;font-weight:550;border-radius:4px}
.admin-tab.active,.admin-tab:hover {background:#edf5ef}
.admin-title {font-size:21px}
.admin-caption {font-size:12px}
.stat-grid {gap:10px}
.stat {border-radius:6px;padding:18px}
.stat strong {font-size:27px}
.admin-box {border-radius:6px;padding:23px}
.admin-box h3 {font-size:16px}
.admin-row {border-radius:5px;padding:14px}
/* Altbilgi */
.site-footer {background:white}
.footer-inner {padding:26px 0}
.footer-identity {gap:0}
.footer-identity b {font-weight:650;color:var(--green)}
.footer-inner nav {gap:20px}
.footer-inner nav a {font-size:11px}
.foot-bottom {font-size:10px;padding:14px 0}
@media (max-width:1000px) {
  .hero-inner {gap:50px;grid-template-columns:minmax(0,1fr) 270px}
  .detail-grid {gap:25px;grid-template-columns:minmax(0,1fr) 265px}
  .player-grid {grid-template-columns:minmax(0,1fr) 280px}
}
@media (max-width:820px) {
  .container {width:min(100% - 40px,690px)}
  .header-inner {height:67px;gap:12px}
  .brand {min-width:0}
  .brand-icon {width:34px;height:34px}
  .brand-title {font-size:18px}
  .mobile-nav {top:67px;padding:10px 20px 22px;box-shadow:0 12px 20px #1733200d}
  .hero {padding:57px 0 52px}
  .hero-inner {display:grid;grid-template-columns:1fr;gap:35px}
  .hero h1 {font-size:clamp(34px,6vw,45px)}
  .hero-side {max-width:100%}
  .section {padding:50px 0}
  .categories {grid-template-columns:1fr;gap:0}
  .cards {grid-template-columns:repeat(2,minmax(0,1fr))}
  .detail-grid,.player-grid {grid-template-columns:1fr}
  .detail-aside {position:static}
  .admin-wrap {grid-template-columns:1fr}
  .admin-menu {position:static}
}
@media (max-width:560px) {
  .container {width:calc(100% - 34px)}
  .header-inner {height:63px}
  .mobile-nav {top:63px}
  .brand-icon {height:32px;width:32px}
  .brand-title {font-size:17px}
  .hero {padding:45px 0 42px}
  .hero h1 {font-size:36px;margin:11px 0 12px}
  .hero p {font-size:13px;line-height:1.75}
  .hero-actions {display:flex;flex-wrap:wrap;align-items:stretch}
  .hero-actions .btn {flex:0 1 auto}
  .hero-side {padding:18px 20px}
  .hero-step {padding:9px 0}
  .section {padding:42px 0}
  .section-heading {gap:8px;margin-bottom:21px}
  .section-heading h2 {font-size:25px}
  .section-heading p {font-size:12px}
  .category-card {min-height:65px;padding:13px 2px}
  .cat-name {font-size:13px}
  .cards {grid-template-columns:1fr}
  .course-art {height:76px}
  .course-info {padding:18px}
  .course-info p {min-height:0}
  .home-bottom {padding:29px 0 38px}
  .home-bottom .container {align-items:flex-start;flex-direction:column;gap:15px}
  .page-hero {padding:31px 0}
  .page-hero h1 {font-size:30px}
  .page-main {padding:25px 0 54px}
  .detail-actions .btn {width:100%}
  .detail-grid {margin-top:34px}
  .modal-dialog {padding:27px 21px}
  .player-page {padding:17px 0 50px}
  .player-foot h1 {font-size:19px}
  .admin-box {padding:16px}
}
@media (prefers-reduced-motion:reduce) {*,*:before,*:after {scroll-behavior:auto!important;transition:none!important;animation:none!important}}