/* ============================================================
   لحظه‌ی ناب — استایل اصلی
   سیستم رنگ: OKLCH | شبکه‌ی ۸ پیکسلی | موبایل‌اول | RTL
   ============================================================ */

/* ── ۰. فونت IRANSansX (نام محلی) + Vazirmatn از CDN ─────── */
/* اگر کاربر IRANSansX / IRANSansNum را روی سیستم نصب داشته باشد، اولویت با آن است؛
   در غیر این صورت Vazirmatn (جایگزین مدرن و هم‌وزن) از CDN بارگذاری می‌شود. */
@font-face {
  font-family: 'Vazirmatn';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/Vazirmatn.woff2') format('woff2');
}

/* ── ۱. متغیرها (OKLCH) ─────────────────────────────────── */
:root {
  --bg:        oklch(11% 0.008 250);
  --surface:   oklch(17% 0.010 250);
  --surface2:  oklch(22% 0.012 250);
  --border:    oklch(30% 0.015 250);
  --text:      oklch(88% 0.008 250);
  --muted:     oklch(55% 0.010 250);
  --accent:      oklch(74% 0.17 72);   /* طلایی/کهربایی گرم */
  --accent-dim:  oklch(60% 0.14 72);
  --accent-text: oklch(18% 0.06 72);   /* متن روی دکمه‌ی طلایی */

  /* شبکه‌ی ۸ پیکسلی */
  --s1: 8px;  --s2: 16px; --s3: 24px;
  --s4: 32px; --s6: 48px; --s8: 64px; --s12: 96px;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px oklch(0% 0 0 / 0.45);
  --transition: 180ms ease;
  --font: 'Vazirmatn', system-ui, Tahoma, sans-serif;
}

/* ── ۲. ریست و پایه ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-weight: 300;
  background: var(--bg);
  color: var(--text);
  line-height: 1.9;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dim); }
ul, ol { list-style: none; }

h1, h2, h3, h4 { line-height: 1.4; font-weight: 600; }

::selection { background: var(--accent); color: var(--accent-text); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  width: min(1160px, 100% - var(--s4));
  margin-inline: auto;
}

/* لینک پرش (دسترس‌پذیری) */
.skip-link {
  position: absolute; top: -48px; right: var(--s2);
  background: var(--accent); color: var(--accent-text);
  padding: var(--s1) var(--s2); border-radius: var(--radius-sm);
  z-index: 200; transition: top var(--transition);
}
.skip-link:focus { top: var(--s1); }

/* ── ۳. هدر و ناوبری ────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: oklch(11% 0.008 250 / 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s2); padding-block: var(--s2);
}

.logo {
  display: flex; align-items: center; gap: var(--s1);
  font-weight: 800; font-size: 1.15rem; color: var(--text);
}
.logo:hover { color: var(--accent); }
.logo-mark { color: var(--accent); font-size: 1.4rem; }

/* دکمه‌ی همبرگری */
.nav-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer;
  padding: var(--s1); z-index: 110;
}
.nav-toggle-bar {
  width: 24px; height: 2px; background: var(--text);
  border-radius: 2px; transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav { display: none; }
.main-nav.open {
  display: block; position: absolute; top: 100%; right: 0; left: 0;
  background: var(--surface); border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.main-nav ul { display: flex; flex-direction: column; padding: var(--s1) 0; }
.main-nav a {
  display: block; padding: var(--s2) var(--s3);
  color: var(--muted); font-weight: 600;
  transition: color var(--transition), background var(--transition);
}
.main-nav a:hover { color: var(--text); background: var(--surface2); }
.main-nav a.active { color: var(--accent); }

/* دسکتاپ: منوی افقی */
@media (min-width: 820px) {
  .nav-toggle { display: none; }
  .main-nav { display: block; }
  .main-nav ul { flex-direction: row; gap: var(--s1); padding: 0; }
  .main-nav a { padding: var(--s1) var(--s2); border-radius: var(--radius-sm); }
  .main-nav a:hover { background: var(--surface2); }
}

/* ── ۴. هیرو ────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 88vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(oklch(11% 0.008 250 / 0.72), oklch(11% 0.008 250 / 0.94)),
    url("../placeholder.php?w=1600&h=900&text=%D9%84%D8%AD%D8%B8%D9%87%20%D9%86%D8%A7%D8%A8&color=amber")
    center / cover no-repeat;
  animation: heroZoom 24s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.07); } }

.hero-inner { position: relative; padding-block: var(--s12); }
.hero-kicker {
  color: var(--accent); font-weight: 700; letter-spacing: 0.05em;
  margin-bottom: var(--s2);
}
.hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 900;
  margin-bottom: var(--s3);
}
.hero-title .accent { color: var(--accent); }
.hero-sub {
  max-width: 560px; color: var(--muted);
  font-size: 1.1rem; margin-bottom: var(--s4);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s2); }

/* ── ۵. دکمه‌ها ─────────────────────────────────────────── */
.btn {
  display: inline-block; padding: var(--s2) var(--s4);
  border-radius: var(--radius-sm); border: 1px solid transparent;
  font: inherit; font-weight: 700; cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition);
}
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: var(--accent-dim); color: var(--accent-text); }

.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger { background: oklch(45% 0.18 25); color: oklch(96% 0.01 25); }
.btn-danger:hover { background: oklch(52% 0.19 25); color: oklch(96% 0.01 25); }

.btn-block { display: block; width: 100%; text-align: center; }
.btn-sm { padding: var(--s1) var(--s2); font-size: 0.85rem; }

/* ── ۶. بخش‌ها و تیترها ─────────────────────────────────── */
.section { padding-block: var(--s8); }
.section-alt { background: var(--surface); border-block: 1px solid var(--border); }

.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--s2); margin-bottom: var(--s4);
}
.section-title { font-size: clamp(1.5rem, 3.5vw, 2rem); position: relative; padding-inline-start: var(--s2); }
.section-title::before {
  content: ""; position: absolute; inset-inline-start: 0; top: 0.2em; bottom: 0.2em;
  width: 4px; border-radius: 2px; background: var(--accent);
}
.link-more { color: var(--accent); font-weight: 700; font-size: 0.95rem; }

.page-head {
  padding: var(--s8) 0 var(--s4);
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
.page-title { font-size: clamp(1.8rem, 4.5vw, 2.6rem); margin-bottom: var(--s1); }
.page-sub { color: var(--muted); max-width: 640px; }
.breadcrumb { color: var(--muted); font-size: 0.9rem; margin-bottom: var(--s1); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }

/* ── ۷. نوار آمار ───────────────────────────────────────── */
.stats-bar {
  background: var(--surface); border-block: 1px solid var(--border);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--s3); padding-block: var(--s4);
  text-align: center;
}
.stat-num { display: block; font-size: 2rem; font-weight: 900; color: var(--accent); }
.stat-label { color: var(--muted); font-size: 0.9rem; }
@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

/* ── ۸. شبکه کارت‌ها ────────────────────────────────────── */
.card-grid {
  display: grid; gap: var(--s3);
  grid-template-columns: 1fr;
}
@media (min-width: 560px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }
.card-grid-3 { grid-template-columns: 1fr; }
@media (min-width: 560px) { .card-grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .card-grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* کارت عکس */
.photo-card {
  border-radius: var(--radius); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.photo-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-dim);
  box-shadow: var(--shadow);
}
.photo-card-link { display: block; position: relative; }
.photo-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.photo-card-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: var(--s3);
  background: linear-gradient(transparent 40%, oklch(11% 0.008 250 / 0.9));
  opacity: 0; transition: opacity var(--transition);
}
.photo-card:hover .photo-card-overlay,
.photo-card:focus-within .photo-card-overlay { opacity: 1; }
.photo-card-overlay h3 { color: var(--text); font-size: 1.05rem; }
.photo-card-overlay p { color: var(--muted); font-size: 0.85rem; }

/* کارت دوره */
.course-card {
  border-radius: var(--radius); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.course-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-dim);
  box-shadow: var(--shadow);
}
.course-card > a { display: flex; flex-direction: column; height: 100%; color: var(--text); }
.course-thumb { position: relative; }
.course-thumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.course-body { padding: var(--s3); display: flex; flex-direction: column; gap: var(--s1); flex: 1; }
.course-body h3 { font-size: 1.15rem; }
.course-body p { color: var(--muted); font-size: 0.92rem; flex: 1; }
.course-foot { display: flex; align-items: center; justify-content: space-between; margin-top: var(--s1); }
.course-meta { color: var(--accent); font-size: 0.85rem; font-weight: 700; }

/* نشان سطح */
.badge {
  position: absolute; top: var(--s2); inset-inline-start: var(--s2);
  padding: 4px var(--s2); border-radius: 999px;
  font-size: 0.78rem; font-weight: 800;
}
.badge-beginner     { background: oklch(65% 0.13 150); color: oklch(16% 0.05 150); }
.badge-intermediate { background: var(--accent); color: var(--accent-text); }
.badge-advanced     { background: oklch(60% 0.16 25); color: oklch(96% 0.01 25); }

/* ── ۹. گالری موزاییکی و فیلتر ──────────────────────────── */
.filter-tabs {
  display: flex; flex-wrap: wrap; gap: var(--s1);
  margin-bottom: var(--s4);
}
.filter-tab {
  padding: var(--s1) var(--s3); border-radius: 999px;
  background: var(--surface); color: var(--muted);
  border: 1px solid var(--border); font: inherit; font-weight: 700;
  cursor: pointer; transition: all var(--transition);
}
.filter-tab:hover { color: var(--text); border-color: var(--accent-dim); }
.filter-tab.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.masonry {
  display: grid; gap: var(--s2);
  grid-template-columns: 1fr;
  grid-auto-rows: 10px; /* برای موزاییک با span */
}
@media (min-width: 560px) { .masonry { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .masonry { grid-template-columns: repeat(3, 1fr); } }

.masonry-item { grid-row-end: span 24; }
.masonry-item.hidden { display: none; }
.masonry-item a { display: block; border-radius: var(--radius); overflow: hidden; position: relative; border: 1px solid var(--border); }
.masonry-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 200ms ease; }
.masonry-item a:hover img { transform: scale(1.04); }
.masonry-cap {
  position: absolute; inset-inline: 0; bottom: 0;
  padding: var(--s2) var(--s3);
  background: linear-gradient(transparent, oklch(11% 0.008 250 / 0.92));
  opacity: 0; transition: opacity var(--transition);
}
.masonry-item a:hover .masonry-cap,
.masonry-item a:focus-visible .masonry-cap { opacity: 1; }
.masonry-cap strong { display: block; color: var(--text); font-size: 0.95rem; }
.masonry-cap span { color: var(--muted); font-size: 0.8rem; }

/* ── ۱۰. لایت‌باکس ──────────────────────────────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center; gap: var(--s2);
  background: oklch(5% 0.005 250 / 0.96);
  padding: var(--s3);
}
.lightbox[hidden] { display: none; }
.lightbox-figure { max-width: min(1000px, 90vw); text-align: center; }
.lightbox-figure img {
  max-height: 80vh; width: auto; max-width: 100%;
  border-radius: var(--radius); box-shadow: var(--shadow);
  margin-inline: auto;
}
.lightbox-figure figcaption { color: var(--muted); margin-top: var(--s2); font-size: 0.95rem; }
.lightbox-close, .lightbox-nav {
  background: var(--surface2); color: var(--text);
  border: 1px solid var(--border); border-radius: 50%;
  width: 48px; height: 48px; font-size: 1.5rem; line-height: 1;
  cursor: pointer; flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.lightbox-close:hover, .lightbox-nav:hover { background: var(--accent); color: var(--accent-text); }
.lightbox-close { position: absolute; top: var(--s3); inset-inline-start: var(--s3); }

/* ── ۱۱. صفحه‌ی دوره ────────────────────────────────────── */
.course-layout {
  display: grid; gap: var(--s4);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .course-layout { grid-template-columns: 2fr 1fr; } }
.course-main { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--s3); }
.course-hero { border-radius: var(--radius-sm); margin-bottom: var(--s3); width: 100%; }
.course-main .badge { position: static; display: inline-block; margin-bottom: var(--s2); }
.course-content { margin-top: var(--s2); color: oklch(80% 0.008 250); }

.course-sidebar { display: flex; flex-direction: column; gap: var(--s3); align-content: start; }
.sidebar-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--s3);
}
.sidebar-box h3 { margin-bottom: var(--s2); font-size: 1.05rem; }
.spec-list li {
  display: flex; justify-content: space-between; gap: var(--s2);
  padding-block: var(--s1); border-bottom: 1px dashed var(--border);
  font-size: 0.92rem;
}
.spec-list li:last-child { border-bottom: 0; }
.spec-list span { color: var(--muted); }
.sidebar-box .btn { margin-top: var(--s2); }
.mini-list li { padding-block: var(--s1); border-bottom: 1px dashed var(--border); }
.mini-list li:last-child { border-bottom: 0; }
.mini-list a { color: var(--text); font-weight: 600; font-size: 0.95rem; }
.mini-list a:hover { color: var(--accent); }
.mini-meta { display: block; color: var(--muted); font-size: 0.8rem; }

/* ── ۱۲. درباره — تایم‌لاین ─────────────────────────────── */
.about-layout { display: grid; gap: var(--s4); grid-template-columns: 1fr; }
@media (min-width: 760px) { .about-layout { grid-template-columns: 1fr 2fr; align-items: start; } }
.about-photo img { border-radius: var(--radius); border: 1px solid var(--border); }
.about-text h2 { margin-bottom: var(--s2); font-size: 1.5rem; }
.about-text p { margin-bottom: var(--s2); color: oklch(78% 0.008 250); }

.timeline {
  position: relative; margin-top: var(--s4);
  padding-inline-start: var(--s4);
  border-inline-start: 2px solid var(--border);
}
.timeline-item { position: relative; padding-bottom: var(--s6); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; top: 6px; inset-inline-start: calc(-1 * var(--s4) - 7px);
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px var(--bg);
}
.timeline-year {
  color: var(--accent); font-weight: 900; font-size: 1.1rem;
  display: block; margin-bottom: var(--s1);
}
.timeline-body h3 { font-size: 1.1rem; margin-bottom: 4px; }
.timeline-body p { color: var(--muted); max-width: 560px; }

/* ── ۱۳. فرم‌ها ─────────────────────────────────────────── */
.contact-layout { display: grid; gap: var(--s4); grid-template-columns: 1fr; }
@media (min-width: 860px) { .contact-layout { grid-template-columns: 2fr 1fr; } }

.contact-form {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--s4);
  display: flex; flex-direction: column; gap: var(--s3);
}
.form-row { display: grid; gap: var(--s3); grid-template-columns: 1fr; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form-group { display: flex; flex-direction: column; gap: var(--s1); }
.form-group label { font-weight: 700; font-size: 0.92rem; }
.form-group .req { color: var(--accent); }
.form-group input, .form-group textarea, .form-group select {
  font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: var(--s2);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px oklch(74% 0.17 72 / 0.2);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-error { color: oklch(70% 0.17 25); font-size: 0.85rem; }
.form-check { flex-direction: row; align-items: center; gap: var(--s1); }
.form-check input { width: auto; }
.form-check label { font-weight: 400; }

.alert {
  padding: var(--s2) var(--s3); border-radius: var(--radius-sm);
  margin-bottom: var(--s3); font-weight: 600;
}
.alert-success { background: oklch(30% 0.07 150); color: oklch(88% 0.1 150); border: 1px solid oklch(45% 0.1 150); }
.alert-error   { background: oklch(30% 0.08 25);  color: oklch(88% 0.08 25);  border: 1px solid oklch(45% 0.12 25); }

/* ── ۱۴. فوتر ───────────────────────────────────────────── */
.site-footer {
  background: var(--surface); border-top: 1px solid var(--border);
  margin-top: var(--s8);
}
.footer-grid {
  display: grid; gap: var(--s4);
  grid-template-columns: 1fr;
  padding-block: var(--s6);
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }
.footer-title { color: var(--accent); margin-bottom: var(--s2); font-size: 1.05rem; }
.footer-text { color: var(--muted); font-size: 0.92rem; }
.footer-links li { padding-block: 4px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-block: var(--s2); text-align: center;
  color: var(--muted); font-size: 0.85rem;
}

/* ── ۱۵. پنل مدیریت ─────────────────────────────────────── */
.admin-body { background: var(--bg); }
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: var(--s3);
}
.login-box {
  width: min(400px, 100%);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--s6) var(--s4);
  box-shadow: var(--shadow);
}
.login-title { text-align: center; font-size: 1.5rem; }
.login-sub { text-align: center; color: var(--accent); margin-bottom: var(--s3); font-weight: 700; }
.login-hint { color: var(--muted); font-size: 0.8rem; margin-top: var(--s2); text-align: center; }

.admin-panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--s3);
  margin-bottom: var(--s3);
}
.admin-panel h2 { margin-bottom: var(--s2); font-size: 1.15rem; color: var(--accent); }
.admin-form { display: flex; flex-direction: column; gap: var(--s3); }

.table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.admin-table th, .admin-table td {
  text-align: right; padding: var(--s1) var(--s2);
  border-bottom: 1px solid var(--border);
}
.admin-table th { color: var(--muted); font-size: 0.82rem; }
.admin-table tbody tr:hover { background: var(--surface2); }
.admin-thumb { width: 64px; height: 48px; object-fit: cover; border-radius: 6px; }

.empty-note { color: var(--muted); padding: var(--s4); text-align: center; grid-column: 1 / -1; }

/* ── ۱۶. کاهش حرکت ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-bg { animation: none; }
}

/* ── ۱۶. بخش‌های کسب‌وکار و عکاسی در منزل ───────────────── */
.section-sub { color: var(--muted); max-width: 640px; margin-top: var(--s1); font-size: 0.97rem; }
.section-head > div:first-child .section-sub { font-weight: 300; }

.icon-grid {
  display: grid; gap: var(--s2);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 560px) { .icon-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .icon-grid { grid-template-columns: repeat(6, 1fr); } }

.icon-tile {
  display: flex; flex-direction: column; align-items: center; gap: var(--s1);
  padding: var(--s3) var(--s1);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); text-align: center;
  color: var(--text); font-weight: 600; font-size: 0.9rem; line-height: 1.6;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.icon-tile:hover {
  transform: translateY(-4px);
  border-color: var(--accent-dim);
  box-shadow: var(--shadow);
  color: var(--accent);
}
.icon-tile-emoji { font-size: 2rem; line-height: 1; }

.home-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--s4) var(--s3);
  display: flex; flex-direction: column; gap: var(--s1);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.home-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-dim);
  box-shadow: var(--shadow);
}
.home-card-emoji { font-size: 2.2rem; line-height: 1; margin-bottom: var(--s1); }
.home-card h3 { font-size: 1.1rem; font-weight: 600; }
.home-card p { color: var(--muted); font-size: 0.92rem; font-weight: 300; flex: 1; }

/* صفحه خدمات */
.service-feature {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--s4);
  margin-bottom: var(--s4);
}
.service-feature h2 { font-size: 1.4rem; margin-bottom: var(--s2); }
.service-feature p + p { margin-top: var(--s2); }
.service-checklist { margin-block: var(--s3); }
.service-checklist li {
  padding-block: var(--s1); color: oklch(80% 0.008 250);
  display: flex; gap: var(--s1); align-items: baseline; font-weight: 300;
}
.service-checklist li::before { content: "✓"; color: var(--accent); font-weight: 700; }

.service-cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--s3); padding: var(--s4);
  background: linear-gradient(120deg, oklch(24% 0.05 72), var(--surface));
  border: 1px solid var(--accent-dim); border-radius: var(--radius);
}
.service-cta h2 { font-size: 1.3rem; margin-bottom: var(--s1); }
.service-cta p { color: var(--muted); font-weight: 300; }

/* V4 — unified, offline-ready visual system; sRGB works without OKLCH. */
:root {
  color-scheme: dark;
  --bg: #101414; --surface: #192020; --surface2: #232c2a;
  --border: #35403c; --text: #f5f2e9; --muted: #b0bab4;
  --accent: #e9bd7b; --accent-dim: #d5a562; --accent-text: #241a0e;
  --radius: 20px; --radius-sm: 12px;
  --shadow: 0 18px 50px rgba(0,0,0,.28);
}
body { font-weight: 400; overflow-wrap: break-word; }
button, input, select, textarea { font-family: var(--font); }
.container { width: min(1200px, calc(100% - 40px)); }
main { min-height: 50vh; }
[id] { scroll-margin-top: 110px; }
.site-header { background: rgba(16,20,20,.96); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.header-inner { min-height: 86px; }
.logo { flex-shrink: 0; letter-spacing: -.04em; }
.logo-mark { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--accent); border-radius: 50%; }
.main-nav a { font-size: .88rem; }
.main-nav a.active { background: rgba(233,189,123,.09); }
.nav-toggle { min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
.hero { min-height: 650px; background: radial-gradient(ellipse at 90% 30%, #283b31, transparent 65%); }
.hero-bg { background: none; animation: none; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 64px; padding-block: 64px; }
.hero-copy { min-width: 0; }
.hero-kicker { display: inline-flex; align-items: center; gap: 10px; font-size: .85rem; }
.hero-kicker::before { content: ''; width: 28px; height: 1px; background: var(--accent); }
.hero-title { font-size: clamp(2.4rem, 4.6vw, 4.3rem); line-height: 1.5; letter-spacing: -.055em; }
.hero-sub { font-size: 1rem; line-height: 2.1; }
.hero-art { position: relative; margin: 0; padding: 12px; border: 1px solid #526052; border-radius: 160px 160px 24px 24px; }
.hero-art img { width: 100%; height: 480px; object-fit: cover; object-position: center 63%; border-radius: 150px 150px 16px 16px; }
.hero-art figcaption { position: absolute; bottom: 32px; right: 32px; left: 32px; padding: 16px 20px; background: rgba(16,20,20,.86); border: 1px solid rgba(255,255,255,.2); border-radius: 12px; color: #fff; font-size: .9rem; }
.hero-art figcaption span { display: block; color: #dfd9cb; font-size: .75rem; }
.btn { min-height: 48px; padding: 13px 24px; border-radius: 12px; text-align: center; }
.btn-primary { box-shadow: 0 6px 22px rgba(233,189,123,.12); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-danger { background: #943a32; color: #fff; }
.section { padding-block: 80px; }
.section-alt { background: #151c1a; }
.section-head { align-items: center; flex-wrap: wrap; }
.section-head > div { flex: 1 1 280px; }
.section-title { letter-spacing: -.035em; }
.link-more { white-space: nowrap; padding-block: 8px; }
.page-head { padding-block: 64px 48px; background: radial-gradient(ellipse at top right, #28382e, transparent 75%); }
.stats-bar { background: #18211d; }
.stat-num { font-size: 2.3rem; font-variant-numeric: tabular-nums; }
.stats-grid { gap: 20px; }
.stat { padding: 8px; }
.card-grid > *, .course-layout > *, .about-layout > *, .contact-layout > *, .form-row > *, .footer-grid > * { min-width: 0; }
.photo-card, .course-card, .home-card { box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.photo-card-overlay { opacity: 1; background: linear-gradient(transparent 30%, rgba(8,14,12,.94)); }
.photo-card-overlay p { color: #d4dcd6; }
.course-body { padding: 26px; }
.course-content, .about-text p, .service-checklist li { color: #d2dbd4; }
.course-foot { flex-wrap: wrap; gap: 12px; }
.badge-beginner { background: #9bcbb0; color: #122c1c; }
.badge-advanced { background: #b54f41; color: #fff; }
.icon-tile { padding: 28px 12px; background: #1b2620; }
.icon-tile-emoji, .home-card-emoji { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: rgba(233,189,123,.08); margin-bottom: 8px; }
.home-card { background: linear-gradient(145deg, #202c25, #18201d); }
.masonry { display: grid; grid-auto-rows: auto; align-items: start; gap: 24px; }
.masonry-item { grid-row-end: auto; }
.masonry-item a { aspect-ratio: 4 / 5; }
.masonry-item img { aspect-ratio: 4 / 5; }
.masonry-cap { opacity: 1; padding-top: 70px; background: linear-gradient(transparent, rgba(8,14,12,.94)); }
.masonry-cap span { color: #d4dcd6; }
.filter-tab { min-height: 44px; }
.lightbox { background: rgba(6,10,8,.97); }
.lightbox-figure { min-width: 0; max-width: 1000px; flex: 1; }
.lightbox-figure img { max-height: 74vh; object-fit: contain; }
.lightbox-figure figcaption { max-height: 12vh; overflow: auto; }
.lightbox-nav, .lightbox-close { touch-action: manipulation; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.form-group input, .form-group select, .form-group textarea { font-size: 16px; min-width: 0; }
.form-group input:focus, .form-group textarea:focus { box-shadow: 0 0 0 3px rgba(233,189,123,.2); }
.form-error { color: #ffaca2; }
[aria-invalid="true"] { border-color: #ffaca2 !important; }
.contact-layout > .alert { grid-column: 1 / -1; }
.alert-success { background: #1f3d2b; color: #d0f1d9; border-color: #4f785b; }
.alert-error { background: #472821; color: #ffd4cb; border-color: #915447; }
.service-cta { background: linear-gradient(110deg, #3c3527, #1c2922); }
.site-footer { background: #121a16; margin-top: 0; }
.footer-grid { padding-block: 64px; }
.footer-title { font-size: 1.15rem; }
.footer-links a { display: inline-block; padding-block: 5px; overflow-wrap: anywhere; }
.footer-bottom { padding: 20px; }
.spec-list li { flex-wrap: wrap; overflow-wrap: anywhere; }
.admin-body .header-inner { flex-wrap: wrap; }
.admin-body .main-nav { display: block; }
.admin-body .main-nav ul { flex-direction: row; flex-wrap: wrap; }
.admin-body .main-nav a { padding: 10px 12px; }
.table-wrap { max-width: 100%; -webkit-overflow-scrolling: touch; }
.admin-table { min-width: 560px; }
@media (min-width: 820px) and (max-width: 1099px) {
  .main-nav a { padding-inline: 9px; font-size: .8rem; }
  .main-nav ul { gap: 0; }
}
@media (min-width: 820px) {
  .main-nav.open { position: static; background: transparent; border: 0; box-shadow: none; }
}
@media (max-width: 819px) {
  .header-inner { min-height: 72px; }
  .main-nav.open { max-height: calc(100vh - 72px); overflow-y: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-block: 40px; }
  .hero { min-height: auto; }
  .hero-title { font-size: clamp(2.3rem, 7vw, 3.7rem); }
  .hero-art { width: min(480px, 100%); margin-inline: auto; border-radius: 100px 100px 24px 24px; }
  .hero-art img { height: 360px; border-radius: 90px 90px 16px 16px; }
  .section { padding-block: 48px; }
  .page-head { padding-block: 40px 32px; }
  .admin-body .main-nav { width: 100%; }
}
@media (max-width: 559px) {
  .container { width: calc(100% - 32px); }
  .hero-actions { gap: 12px; }
  .hero-actions .btn { flex: 1 1 140px; padding-inline: 14px; }
  .hero-art img { height: 330px; }
  .hero-art figcaption { right: 24px; left: 24px; bottom: 24px; }
  .contact-form, .service-feature, .service-cta, .course-main { padding: 22px; }
  .masonry-item a, .masonry-item img { aspect-ratio: 4 / 3; }
  .filter-tab { padding-inline: 18px; }
  .lightbox { padding: 70px 16px 100px; }
  .lightbox-nav { position: absolute; bottom: 24px; }
  .lightbox-prev { right: calc(50% - 60px); }
  .lightbox-next { left: calc(50% - 60px); }
  .lightbox-close { top: 16px; right: 16px; }
  .lightbox-figure img { max-height: 62vh; }
  .footer-grid { gap: 30px; padding-block: 40px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (hover: none) { .photo-card:hover, .course-card:hover, .home-card:hover { transform: none; } }