/* =========================
   Courses Page Styles
   ========================= */

/* --- Hero --- */
.courses-hero {
  position: relative;
  width: 100%;
  min-height: 55vh;
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
  background: url('https://images.unsplash.com/photo-1510626176961-4b57d4fbad03?auto=format&fit=crop&w=1920&q=80')
              center center / cover no-repeat;
}
.courses-hero__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 60% at 50% 40%, rgba(0,0,0,.22), rgba(0,0,0,.55)),
    linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.55));
}
.courses-hero__inner { position: relative; z-index: 1; }
.courses-hero h1 { margin: 0 0 .4rem; font-size: clamp(2rem, 1.4rem + 2vw, 3rem); }
.courses-hero p  { margin: 0; font-size: clamp(1rem, .9rem + .5vw, 1.2rem); opacity: .95; }

/* --- Wrap --- */
.courses-wrap { padding: 4.5rem 1rem; }

/* --- Toolbar --- */
.courses-toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.25rem;
}
/* Free Guide block */
.guide-wrap{width:min(1100px,92%);margin:24px auto}
.guide-card{
  display:grid;grid-template-columns:1.2fr 1fr;gap:18px;
  border:1px solid #e5e7eb;border-radius:18px;overflow:hidden;
  background:#fff;box-shadow:0 18px 44px rgba(2,8,23,.08)
}
.guide-media{position:relative;background:#f8fafc}
.guide-cover{width:100%;height:100%;object-fit:cover;display:block}
.guide-preview{
  position:absolute;right:12px;bottom:12px;border:0;border-radius:12px;
  background:linear-gradient(135deg,#0ea5e9,#22d3ee);color:#fff;
  font-weight:800;padding:10px 14px;cursor:pointer;
  box-shadow:0 10px 26px rgba(14,165,233,.28)
}
.guide-body{padding:18px}
.guide-kicker{display:inline-block;background:#e0f2fe;border:1px solid #bae6fd;
  color:#0369a1;border-radius:999px;padding:6px 10px;font-weight:800;margin:0 0 6px}
.guide-title{margin:.25rem 0 .5rem;font-weight:900;line-height:1.25}
.guide-desc{margin:0 0 .75rem;color:#475569}
.guide-cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{padding:12px 16px;border-radius:12px;border:0;cursor:pointer;
  font-weight:800;text-decoration:none;display:inline-block}
.btn-primary{color:#fff;background:linear-gradient(135deg,#0ea5e9,#22d3ee)}
.btn-outline{background:#fff;color:#0f172a;border:1px solid #e5e7eb}

/* PDF modal */
.pdf-modal{width:min(100%,1000px);max-width:1000px;border:0;padding:0;background:transparent}
.pdf-shell{position:relative;width:min(100vw,1000px);height:min(85vh,900px);
  margin:0;border-radius:14px;overflow:hidden;background:#000}
#pdfFrame{width:100%;height:100%;border:0;background:#111}
.pdf-close{
  position:absolute;top:10px;right:10px;border:0;border-radius:10px;
  background:rgba(255,255,255,.15);color:#fff;font-size:22px;padding:6px 10px;cursor:pointer
}

/* Responsive */
@media (max-width:900px){
  .guide-card{grid-template-columns:1fr}
  .guide-preview{right:10px;bottom:10px}
}

.courses-search {
  display: grid; grid-template-columns: 1fr auto; gap: .6rem;
}
.courses-search input[type="search"] {
  width: 100%;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 12px;
  padding: .9rem 1rem;
  outline: none;
  background: #fff;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.courses-search input[type="search"]:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(242,158,58,.18);
}

.courses-filters { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: flex-end; }
.courses-select {
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  padding: .8rem .9rem;
  border-radius: 12px;
  font: inherit;
}
.courses-select:focus { outline: none; box-shadow: 0 0 0 4px rgba(242,158,58,.18); border-color: var(--brand); }

/* --- Grid --- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 1rem;
}

/* --- Card --- */
.course-card {
  background: var(--card);
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  transition: transform .15s ease, box-shadow .2s ease;
}
.course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(2,6,23,.12);
}
.course-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #fff;
}
.course-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.badge {
  position: absolute; left: 10px; top: 10px;
  background: var(--brand);
  color: #111827;
  font-weight: 800;
  border-radius: 999px;
  padding: .35rem .6rem;
  font-size: .78rem;
  box-shadow: var(--shadow);
}
.badge.alt { background: #10b981; color: #052e2b; }

.course-body {
  padding: 14px 14px 8px;
  display: grid; gap: .35rem;
}
.course-title { font-weight: 800; line-height: 1.25; }
.course-desc  { color: var(--muted); font-size: .95rem; line-height: 1.6; }
.course-meta  {
  display: flex; flex-wrap: wrap; gap: .75rem 1rem; padding: 6px 0 2px; margin: 0; list-style: none;
  color: #475569; font-size: .92rem;
}

.course-foot {
  padding: 10px 14px 14px;
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem;
}
.course-price { font-weight: 800; font-size: 1.05rem; }
.course-actions { display: flex; gap: .5rem; align-items: center; }
.btn.btn-ghost {
  background: #111827; color: #fff; opacity: .9;
  border-radius: 12px;
}

/* --- CTA --- */
.courses-cta {
  margin-top: 2rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(245,158,11,.1), rgba(16,185,129,.1));
  border: 1px solid rgba(0,0,0,.06);
  border-radius: 18px;
  padding: 1.75rem 1.25rem;
}
.courses-cta h3 { margin: 0 0 .25rem; }
.courses-cta p  { margin: 0 0 .9rem; color: #374151; }

/* --- Modal --- */
.course-modal {
  width: min(980px, 92%);
  border: none;
  border-radius: 18px;
  padding: 0;
  box-shadow: 0 30px 80px rgba(0,0,0,.25);
}
.course-modal::backdrop {
  background: rgba(2, 6, 23, .55);
  backdrop-filter: blur(2px);
}
.course-modal__card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
}
.course-modal__card img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.modal-body {
  padding: 1.25rem 1.25rem 1rem;
  display: grid; gap: .6rem; align-content: start;
}
.modal-body .course-meta { padding: 0; }
.modal-actions { display: flex; gap: .5rem; align-items: center; margin-top: .25rem; }

.modal-close {
  position: absolute;
  top: .6rem; right: .6rem;
  background: #111827; color: #fff; border: none;
  width: 36px; height: 36px; border-radius: 10px; cursor: pointer;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
  .courses-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (max-width: 900px) {
  .courses-toolbar { grid-template-columns: 1fr; }
  .courses-search  { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .courses-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .course-modal__card { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .courses-grid { grid-template-columns: 1fr; }
  .courses-hero { min-height: 50svh; }
}
/* Fade in up */
@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Scale in */
@keyframes scaleIn {
  0% { opacity: 0; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

/* Apply */
.courses-hero h1, 
.courses-hero p,
.course-card,
.courses-cta {
  animation: fadeInUp 1s ease both;
}

.course-card:nth-child(1) { animation-delay: .2s; }
.course-card:nth-child(2) { animation-delay: .4s; }
.course-card:nth-child(3) { animation-delay: .6s; }
.course-card:nth-child(4) { animation-delay: .8s; }

.courses-cta { animation: scaleIn 1s ease 1.2s both; }
.course-modal {
  border: none;
  border-radius: 12px;
  max-width: 600px;
  width: 90%;
  padding: 0;
}
.course-modal__card {
  padding: 20px;
}
.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  position: absolute;
  right: 15px;
  top: 15px;
}
/* ========== Toolbar container ========== */
.courses-tools-wrap {
  margin: 2rem auto;
}

.courses-tools {
  display: grid;
  grid-template-columns: 1fr repeat(3, minmax(160px, 1fr)) auto;
  gap: .75rem;
  align-items: center;
}

/* Responsive: stack on small screens */
@media (max-width: 720px) {
  .courses-tools {
    grid-template-columns: 1fr 1fr;
  }
  .courses-tools .btn {
    grid-column: 1 / -1;
    width: 100%;
  }
}

/* ========== Inputs / Selects ========== */
.input,
.courses-tools select,
.courses-tools input[type="search"] {
  width: 100%;
  height: 44px;
  padding: 0 .9rem;
  border: 1px solid #E6E8EC;
  background: #fff;
  border-radius: 12px;
  font: 400 14px/1.2 "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: #1f2937;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  outline: none;
  appearance: none;
}

.input::placeholder { color: #9aa3af; }

/* Focus, hover, invalid states */
.input:hover { border-color: #D5D9E0; }
.input:focus {
  border-color: #4f46e5; /* indigo-600 */
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .12);
}

/* ========== Select arrow ========== */
.control.select {
  position: relative;
}
.control.select::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid #6b7280;
  transform: translateY(-50%);
  pointer-events: none;
}
.control.select select {
  padding-right: 2.2rem; /* space for arrow */
}

/* ========== Search with icon ========== */
.control.with-icon {
  position: relative;
}
.control.with-icon svg {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  stroke: #6b7280; fill: none; stroke-width: 2;
  pointer-events: none;
}
.control.with-icon .input {
  padding-left: 2.2rem;
}

/* ========== Button styles (matching your site) ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 1rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: #111827;
  color: #fff;
  font-weight: 600;
  letter-spacing: .2px;
  cursor: pointer;
  transition: transform .05s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { box-shadow: 0 6px 18px rgba(0,0,0,.08); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(180deg, #4f46e5 0%, #4338ca 100%);
}
.btn-primary:hover {
  background: linear-gradient(180deg, #5b52ee 0%, #4a41d2 100%);
}

/* ========== Utilities ========== */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px,1px,1px,1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* Optional dark mode (if your site supports it) */
@media (prefers-color-scheme: dark) {
  .input,
  .courses-tools select,
  .courses-tools input[type="search"] {
    background: #0f172a;
    border-color: #1e293b;
    color: #e5e7eb;
  }
  .input::placeholder { color: #94a3b8; }
  .control.select::after { border-top-color: #9ca3af; }
  .btn { background: #0b1220; }
}