:root{
  --bg: #ffffff;
  --panel: #0f1730;
  --card: #0f1833;
  --text: #eaf0ff;
  --muted: rgba(234,240,255,.72);
  --border: rgba(234,240,255,.12);
  --primary: #17a1d7;
  --primary-2: #e9568d;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", "Noto Sans", "Liberation Sans", sans-serif;
  background: radial-gradient(1200px 500px at 20% -10%, rgba(23,161,215,.35), transparent 60%),
              radial-gradient(900px 400px at 90% 10%, rgba(233,86,141,.25), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:none; }

.container{
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.screen-reader-text{ position:absolute; left:-9999px; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.8rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor:pointer;
  transition: transform .12s ease, opacity .12s ease, background .12s ease, border-color .12s ease;
  user-select:none;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: linear-gradient(135deg, var(--primary), rgba(23,161,215,.75)); }
.btn-primary:hover{ opacity:.95; }
.btn-ghost{ background: transparent; border-color: var(--border); }
.btn-ghost:hover{ border-color: rgba(234,240,255,.22); }
.btn-block{ width:100%; }
.btn-sm{ padding:.6rem .85rem; font-size:.92rem; }

/* Cards */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.pad{ padding: 1.2rem; }
.pad-sm{ padding: .9rem; }

/* Typography */
.h1{ font-size: clamp(1.8rem, 4vw, 3.1rem); line-height:1.1; margin:0 0 .6rem; }
.h2{ font-size: clamp(1.3rem, 2.4vw, 2rem); margin:0 0 .4rem; }
.h3{ font-size: 1.06rem; margin:0 0 .35rem; }
.lead{ font-size: 1.05rem; color: var(--muted); max-width: 58ch; }
.muted{ color: var(--muted); }
.small{ font-size:.92rem; }
.center{ text-align:center; }
.prose p{ margin-top:0; }

/* Layout helpers */
.grid{ display:grid; gap: 1.1rem; }
.grid-4{ grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid-3{ grid-template-columns: repeat(3, minmax(0,1fr)); }
.split{ display:grid; grid-template-columns: 1.2fr .8fr; gap: 1.2rem; align-items:start; }
.section{ padding: 3.2rem 0; }
.section-alt{ background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent); }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:1rem; margin-bottom: 1.2rem; }
.section-cta{ margin-top: 1.2rem; text-align:center; }

@media (max-width: 980px){
  .grid-4{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-3{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .split{ grid-template-columns: 1fr; }
}
@media (max-width: 560px){
  .grid-4, .grid-3{ grid-template-columns: 1fr; }
}

/* Header */
.topbar{
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid var(--border);
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: .55rem 0;
  gap: 1rem;
}
.pill{
  display:inline-flex; align-items:center; gap:.45rem;
  padding:.35rem .6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size:.92rem;
  background: rgba(0,0,0,.12);
}
.topbar-left{ display:flex; gap:.6rem; flex-wrap:wrap; }
.icon-btn{
  display:inline-flex; align-items:center; justify-content:center;
  width: 2.2rem; height: 2.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.12);
}
.icon-btn:hover{ border-color: rgba(234,240,255,.22); }

.navbar{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11,16,32,.75);
  border-bottom: 1px solid var(--border);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap: 1rem;
  padding: .95rem 0;
}
.brand .custom-logo{ max-height: 44px; width:auto; }
.brand-text{ font-weight:800; letter-spacing:.2px; }

.primary-nav .menu{
  display:flex;
  gap: 1rem;
  list-style:none;
  padding:0; margin:0;
}
.primary-nav .menu > li > a{
  padding:.55rem .7rem;
  border-radius: 999px;
  color: rgba(234,240,255,.9);
}
.primary-nav .menu > li > a:hover{
  background: rgba(255,255,255,.06);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap: .75rem;
  margin-left:auto;
}

.search{
  display:flex; align-items:center;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.12);
  border-radius: 999px;
  overflow:hidden;
}
.search-input{
  border:0; outline:0;
  background: transparent;
  color: var(--text);
  padding: .6rem .85rem;
  width: 14rem;
}
.search-btn{
  border:0; background: transparent;
  color: var(--text);
  padding: .6rem .85rem;
  cursor:pointer;
}
.search-input::placeholder{ color: rgba(234,240,255,.55); }

.nav-toggle{
  display:none;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.12);
}
.nav-toggle span{
  display:block; height:2px; width:20px;
  background: rgba(234,240,255,.85);
  margin: 5px auto;
}

@media (max-width: 980px){
  .nav-toggle{ display:inline-block; }
  .nav-actions .search{ display:none; }
  .primary-nav{
    position: absolute;
    left:0; right:0;
    top: calc(100% + 1px);
    background: rgba(11,16,32,.92);
    border-bottom: 1px solid var(--border);
    display:none;
  }
  .primary-nav.is-open{ display:block; }
  .primary-nav .menu{
    flex-direction:column;
    padding: .7rem 0;
  }
  .primary-nav .menu > li > a{ display:block; padding: .8rem 1rem; border-radius: 0; }
}

/* Hero */
.hero{
  padding: 3.4rem 0 2.2rem;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 1.4rem;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding: .35rem .75rem;
  border:1px solid var(--border);
  border-radius:999px;
  background: rgba(0,0,0,.12);
  color: rgba(234,240,255,.86);
  margin:0 0 .8rem;
}
.hero-actions{ display:flex; gap:.75rem; margin-top: 1rem; flex-wrap:wrap; }
.hero-stats{ display:flex; gap: 1.2rem; margin-top: 1.4rem; flex-wrap:wrap; }
.stat{ border-left: 1px solid var(--border); padding-left: 1rem; }
.stat:first-child{ border-left:0; padding-left:0; }
.stat-num{ font-weight: 900; font-size: 1.2rem; display:block; }
.stat-label{ color: var(--muted); font-size:.92rem; }

.hero-media{ display:flex; justify-content:flex-end; }
.hero-card{
  width: min(420px, 100%);
  padding: 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(23,161,215,.18), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
}
.hero-card-badge{
  display:inline-flex;
  padding:.25rem .6rem;
  border-radius:999px;
  background: rgba(233,86,141,.18);
  border:1px solid rgba(233,86,141,.35);
  font-weight:700;
  font-size:.86rem;
}
.hero-card-title{ font-weight: 900; font-size: 1.25rem; margin: .8rem 0 .6rem; }
.hero-card-meta{ display:flex; gap: 1rem; color: var(--muted); font-size:.92rem; margin-bottom: 1rem; flex-wrap:wrap; }

@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-media{ justify-content:flex-start; }
}

/* Page hero */
.page-hero{
  padding: 2.4rem 0 1.4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.page-hero-actions{ display:flex; gap:.65rem; margin-top: .9rem; flex-wrap:wrap; }

/* Course cards */
.thumb{ display:block; position:relative; }
.thumb img{ width:100%; height: 190px; object-fit:cover; display:block; }
.thumb-placeholder{ height: 190px; background: rgba(255,255,255,.06); }
.price-tag{
  position:absolute;
  left: .8rem; top: .8rem;
  background: rgba(0,0,0,.35);
  border: 1px solid var(--border);
  padding: .35rem .6rem;
  border-radius: 999px;
  font-weight: 800;
  backdrop-filter: blur(10px);
}
.badge{
  display:inline-flex;
  padding: .25rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.12);
  font-size:.82rem;
  font-weight:700;
}
.course-top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:.4rem; gap:.8rem; }
.course-title a:hover{ text-decoration: underline; }
.course-meta{
  display:flex; gap: 1rem; flex-wrap:wrap;
  color: var(--muted);
  font-size:.92rem;
  margin: .7rem 0 .9rem;
}
.course-actions{ display:flex; gap:.55rem; flex-wrap:wrap; }

/* Category cards */
.cat{ display:block; }
.cat-name{ font-weight: 900; }
.cat-meta{ font-size:.92rem; margin-top:.2rem; }

/* Features */
.feature-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: .9rem;
}
.feature{
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .9rem;
  background: rgba(0,0,0,.12);
}
.feature h3{ margin:.5rem 0 .25rem; }
.feature i{ font-size: 1.2rem; }

@media (max-width: 560px){
  .feature-grid{ grid-template-columns: 1fr; }
}

/* Checklist */
.checklist{ list-style:none; padding:0; margin:.9rem 0 0; }
.checklist li{
  padding-left: 1.6rem;
  position:relative;
  margin: .45rem 0;
  color: rgba(234,240,255,.88);
}
.checklist li:before{
  content:"✓";
  position:absolute;
  left:0;
  color: var(--primary);
  font-weight: 900;
}

/* Accordion */
.accordion{ display:grid; gap: .75rem; }
.acc-item{
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,.12);
  padding: .85rem 1rem;
}
.acc-q{ cursor:pointer; font-weight: 800; }
.acc-a{ margin-top: .6rem; }

/* Instructor */
.instructor .avatar{
  width: 54px; height: 54px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(23,161,215,.25), rgba(233,86,141,.18));
  margin-bottom: .6rem;
}
.instructor-name{ font-weight: 900; }

/* Footer */
.site-footer{
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,.18);
  padding: 2.4rem 0 1.2rem;
}
.footer-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1.2rem;
  margin-bottom: 1.6rem;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  flex-wrap:wrap;
}
.footer-links{
  list-style:none; margin:0; padding:0;
  display:flex; gap: .9rem; flex-wrap:wrap;
}
.widget-title{ margin:0 0 .6rem; font-size: 1rem; }
.widget{ color: var(--muted); }
.widget a{ color: rgba(234,240,255,.9); }
.widget a:hover{ text-decoration: underline; }

@media (max-width: 980px){
  .footer-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* WP defaults */
.site-main{ min-height: 50vh; }
.pagination{ margin-top: 1.2rem; }