/* =========================================
   Poseidon Global LMS — Clean CSS baseline
   - No global brand-logo sizing; pages size inline
   - Single-source utilities (hidden, no-scrollbar, clamp)
   - Keep existing tokens/components
========================================= */

/* -------- Root / Tokens -------- */
:root {
  --pg-bg:#0d141f;
  --pg-card-bg:rgba(18,27,40,.85);
  --pg-gold:#d3ac4b;
  --pg-gold-soft:#b89232;
  --pg-deep:#060b17;
  --pg-deeper:#04070f;
  --pg-wave:#0d5d89;
  --pg-wave-light:#1494d6;
  --pg-foam:#1d2d44;
  --pg-text:#f5f7fa;

  --pg-radius-xl:1.5rem;
  --pg-border:rgba(255,255,255,.10);
  --pg-border-soft:rgba(255,255,255,.18);
  --pg-txt-dim:rgba(255,255,255,.60);
  --pg-txt-fade:rgba(255,255,255,.40);
  --pg-blur:20px;
  --pg-transition:0.25s cubic-bezier(.4,.2,.2,1);

  font-feature-settings:"cv11","ss01","ss02";
}

/* -------- Base -------- */
html,body { background:var(--pg-bg); margin:0; }
.font-dm { font-family:'DM Sans',system-ui,sans-serif; }
.pg-bg { color:var(--pg-text); min-height:100vh; }

/* Cards */
.pg-card {
  background:var(--pg-card-bg);
  backdrop-filter:blur(var(--pg-blur));
  -webkit-backdrop-filter:blur(var(--pg-blur));
  position:relative;
}

/* Buttons */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  font-weight:500; border-radius:1rem; border:1px solid var(--pg-border);
  background:rgba(255,255,255,.06); color:#fff; transition:var(--pg-transition);
  text-decoration:none; cursor:pointer; user-select:none;
}
.btn:hover { background:var(--pg-gold); color:#0d141f; }

.btn-primary {
  background:linear-gradient(90deg,var(--pg-gold),#e1c06d);
  color:#0d141f; border:1px solid rgba(211,172,75,.45);
  box-shadow:0 2px 8px -2px rgba(211,172,75,.4);
}
.btn-primary:hover { filter:brightness(1.05); }

.btn-outline {
  background:rgba(255,255,255,.05);
  border:1px solid var(--pg-border-soft);
}
.btn-outline:hover { background:var(--pg-gold); color:#0d141f; }

/* Forms */
.form-label {
  display:block; margin-bottom:.35rem; color:var(--pg-txt-fade);
  font-size:.65rem; text-transform:uppercase; letter-spacing:.18em; font-weight:600;
}
.form-input {
  width:100%; border:1px solid var(--pg-border); background:rgba(255,255,255,.05);
  border-radius:.9rem; padding:0 .9rem; color:#fff; outline:none;
  transition:var(--pg-transition); font-size:13px; line-height:2.6rem; /* ~h-10 */
}
.form-input:focus { border-color:var(--pg-gold); box-shadow:0 0 0 1px var(--pg-gold); }

/* -------- Brand / Nav (no global sizing) -------- */
.site-header { position:relative; width:100%; z-index:200; }
.pg-site-shell, .site-header nav { max-width:1400px; margin:0 auto; width:100%; }

/* Brand: shape only, NO width/height here. Pages set size inline. */
.brand-logo-wrapper {
  position:relative;
  border-radius:1.1rem;
  overflow:hidden;
  border:1px solid var(--pg-border-soft);
  box-shadow:0 0 0 2px rgba(211,172,75,.20);
  background:#0d141f;
  display:flex; align-items:center; justify-content:center;
}
.brand-logo-img {
  width:100%; height:100%; object-fit:cover;
  border-radius:inherit; filter:brightness(.9);
  transition:transform .45s, filter .4s;
}
.brand-anchor:hover .brand-logo-img { transform:scale(1.06); filter:brightness(1); }

/* Nav cluster + dropdown */
.nav-bar { display:flex; align-items:center; justify-content:space-between; gap:2rem; position:relative; }
.nav-cluster { display:flex; align-items:center; gap:2.2rem; position:relative; }
.nav-group { position:relative; }
.nav-trigger {
  display:inline-flex; align-items:center; gap:.45rem;
  font-size:.85rem; font-weight:500; letter-spacing:.04em; color:var(--pg-text);
  padding:.35rem .25rem; transition:.25s; cursor:pointer;
}
.nav-trigger:hover, .nav-group:focus-within .nav-trigger { color:var(--pg-gold); }
.nav-trigger svg { width:.8rem; height:.8rem; transition:.25s; }
.nav-group:hover .nav-trigger svg, .nav-group:focus-within .nav-trigger svg { transform:rotate(180deg); }

.nav-dropdown {
  position:absolute; top:115%; left:0; min-width:14rem;
  background:linear-gradient(145deg,rgba(15,28,46,.94),rgba(4,7,15,.96));
  border:1px solid rgba(255,255,255,0.08);
  border-radius:1rem; padding:.85rem .9rem;
  display:flex; flex-direction:column; gap:.25rem;
  box-shadow:0 18px 40px -12px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.05);
  opacity:0; transform:translateY(8px) scale(.96); pointer-events:none;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  transition:.35s cubic-bezier(.32,.72,.33,.95); z-index:120;
  animation:fadeIn .2s ease;
}
.nav-group:hover .nav-dropdown, .nav-group:focus-within .nav-dropdown {
  opacity:1; transform:translateY(0) scale(1); pointer-events:auto;
}
.nav-dropdown.hidden { display:none !important; }

.nav-dd-link {
  display:flex; align-items:center; gap:.55rem;
  padding:.6rem .65rem .55rem;
  border-radius:.7rem; font-size:.72rem; letter-spacing:.11em; text-transform:uppercase;
  color:var(--pg-text); position:relative; transition:.28s; background:rgba(255,255,255,0.02);
  text-decoration:none;
}
.nav-dd-link:hover {
  background:linear-gradient(120deg,rgba(211,172,75,.18),rgba(255,255,255,0.04));
  color:var(--pg-gold); box-shadow:0 0 0 1px rgba(211,172,75,.25);
}
.nav-divider { height:1px; background:linear-gradient(90deg,transparent,rgba(255,255,255,0.12),transparent); margin:.55rem .25rem; }
.nav-link { transition:.25s; position:relative; text-decoration:none; color:inherit; }
.nav-link:hover { color:var(--pg-gold); }
.nav-link:after {
  content:""; position:absolute; left:0; bottom:-4px; width:0; height:2px;
  background:var(--pg-gold); border-radius:2px; transition:.35s; opacity:.65;
}
.nav-link:hover:after { width:100%; }

/* Login dropdown/panel */
.login-inline-panel {
  position:absolute; top:calc(100% + 8px); right:0; width:300px; z-index:130;
  animation:loginDrop .22s ease;
}
.login-inline-panel.hidden { display:none !important; }
#loginToggle { position:relative; z-index:140; }

/* Animations */
@keyframes fadeIn { from{opacity:0;transform:translateY(-6px);} to{opacity:1;transform:translateY(0);} }
@keyframes loginDrop { from{opacity:0; transform:translateY(-6px);} to{opacity:1; transform:translateY(0);} }

/* Mobile dropdown simplification */
@media (max-width:800px){
  .nav-cluster { display:none; }
  .mobile-nav-open .nav-cluster {
    position:absolute; top:100%; right:1rem; left:1rem;
    display:flex; flex-direction:column; gap:1.2rem;
    background:linear-gradient(145deg,rgba(15,28,46,.95),rgba(4,7,15,.97));
    border:1px solid rgba(255,255,255,.1);
    padding:1.25rem 1.1rem 1.4rem; border-radius:1.4rem;
  }
  .nav-group { width:100%; }
  .nav-dropdown { position:static; opacity:1; transform:none; pointer-events:auto; box-shadow:none; padding:0; background:transparent; border:0; backdrop-filter:none; }
  .nav-dd-link { background:rgba(255,255,255,0.04); }
  .nav-dd-link:hover { background:rgba(211,172,75,.15); }
}

/* -------- Courses Carousel -------- */
.course-carousel-viewport { overflow:hidden; position:relative; }
.course-carousel-track { display:flex; gap:1.5rem; padding:0 .25rem .5rem .25rem; scroll-snap-type:x mandatory; overflow-x:auto; scrollbar-width:none; -ms-overflow-style:none; }
.course-carousel-track::-webkit-scrollbar { display:none; }
.course-card { flex:0 0 calc(33.333% - 1rem); min-height:210px; scroll-snap-align:start; }
@media (max-width:1024px){ .course-card { flex:0 0 calc(50% - 1rem); } }
@media (max-width:640px){ .course-card { flex:0 0 100%; } }

.carousel-nav-btn {
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  width:2.4rem; height:2.4rem; border-radius:.8rem;
  display:flex; align-items:center; justify-content:center;
  font-size:1.25rem; cursor:pointer; transition:var(--pg-transition);
}
.carousel-nav-btn:hover { background:var(--pg-gold); color:#0d141f; }
.carousel-dots .dot { width:.7rem; height:.7rem; border-radius:50%; background:rgba(255,255,255,.18); border:none; cursor:pointer; transition:.3s; }
.carousel-dots .dot.active, .carousel-dots .dot:hover { background:var(--pg-gold); }

/* Alternate minimal track (compat) */
.course-track { display:flex; gap:1.5rem; transition:transform .55s cubic-bezier(.32,.72,.33,.95); will-change:transform; }
.course-track > * { flex:0 0 calc(50% - .75rem); max-width:calc(50% - .75rem); }
@media (min-width:640px){ .course-track > * { flex:0 0 calc(33.333% - 1rem); max-width:calc(33.333% - 1rem); } }
@media (min-width:900px){ .course-track > * { flex:0 0 calc(25% - 1.125rem); max-width:calc(25% - 1.125rem); } }

/* -------- Testimonials Carousel -------- */
.testimonial-viewport { overflow:hidden; position:relative; }
.testimonial-track { display:flex; gap:1.5rem; overflow-x:auto; padding:0 .25rem .5rem .25rem; scroll-snap-type:x mandatory; scrollbar-width:none; -ms-overflow-style:none; }
.testimonial-track::-webkit-scrollbar { display:none; }
.testimonial-slide { flex:0 0 calc(33.333% - 1rem); scroll-snap-align:start; min-height:170px; }
@media (max-width:1024px){ .testimonial-slide { flex:0 0 calc(50% - 1rem); } }
@media (max-width:640px){ .testimonial-slide { flex:0 0 100%; } }
.testimonial-nav-btn {
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  width:2.3rem; height:2.3rem; border-radius:.75rem;
  display:flex; align-items:center; justify-content:center;
  font-size:1.15rem; cursor:pointer; transition:var(--pg-transition);
}
.testimonial-nav-btn:hover { background:var(--pg-gold); color:#0d141f; }
#tDots .t-dot { width:.65rem; height:.65rem; border-radius:50%; background:rgba(255,255,255,.18); border:none; cursor:pointer; transition:.3s; }
#tDots .t-dot.active, #tDots .t-dot:hover { background:var(--pg-gold); }

/* -------- Footer -------- */
footer a { color:var(--pg-txt-dim); text-decoration:none; transition:var(--pg-transition); }
footer a:hover { color:var(--pg-gold); }
.footer-head { font-size:11px; text-transform:uppercase; letter-spacing:.25em; color:var(--pg-gold); }
.footer-links li a { display:inline-block; padding:.25rem 0; font-size:13px; color:rgba(255,255,255,.60); transition:.25s; text-decoration:none; }
.footer-links li a:hover { color:var(--pg-gold); }

/* -------- Utilities (single source of truth) -------- */
.hidden { display:none !important; }

/* Hide scrollbars for horizontal carousels */
.no-scrollbar { -ms-overflow-style:none; scrollbar-width:none; }
.no-scrollbar::-webkit-scrollbar { display:none; }

/* Line clamp helper (include standard property) */
.line-clamp-2 { line-clamp:2; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.line-clamp-3 { line-clamp:3; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.line-clamp-4 { line-clamp:4; display:-webkit-box; -webkit-line-clamp:4; -webkit-box-orient:vertical; overflow:hidden; }

/* -------- Optional sections retained (no header conflicts) -------- */
.security-bubble {
  background:linear-gradient(145deg,rgba(18,27,40,.88),rgba(12,18,28,.85));
  backdrop-filter:blur(22px); -webkit-backdrop-filter:blur(22px);
  border-radius:2.2rem; position:relative;
}
.security-bubble:before,.security-bubble:after {
  content:""; position:absolute; width:440px; height:440px; border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(211,172,75,.18),transparent 70%);
  opacity:.55; top:-140px; right:-160px; filter:blur(6px); pointer-events:none;
}
.security-bubble:after {
  top:auto; bottom:-180px; left:-160px;
  background:radial-gradient(circle at 70% 70%,rgba(211,172,75,.12),transparent 70%);
  opacity:.4;
}
.security-bubble-heading { font-size:clamp(1.9rem,2.9vw,2.6rem); font-weight:700; letter-spacing:.045em; margin:0 0 1.5rem 2.8rem; }
.security-bubble-body p { font-size:.92rem; line-height:1.62; color:rgba(255,255,255,.74); text-wrap:pretty; }
.security-bubble-body p + p { margin-top:1.05rem; }
.security-bubble .btn { font-size:12px; letter-spacing:.05em; }

/* Accessibility / reduced motion */
@media (prefers-reduced-motion: reduce) {
  .course-track,
  .login-inline-panel,
  .nav-dropdown {
    transition:none !important;
  }
}

/* Tables */
.table-tight th, .table-tight td { padding-top:.55rem; padding-bottom:.55rem; }

/* Profile avatar */
.profile-avatar-wrapper {
  position:relative; width:92px; height:92px; border-radius:1.25rem;
  overflow:hidden; background:#0d1726; border:1px solid rgba(255,255,255,.15);
}
.profile-avatar { width:100%; height:100%; object-fit:cover; display:block; transition:.35s; filter:brightness(.92); }
.profile-avatar-wrapper:hover .profile-avatar { filter:brightness(1); }
.profile-avatar-edit {
  position:absolute; bottom:4px; left:50%; transform:translateX(-50%);
  background:rgba(0,0,0,.55); color:var(--pg-text);
  font-size:.55rem; letter-spacing:.18em; text-transform:uppercase;
  padding:.25rem .55rem; border:1px solid rgba(255,255,255,.25);
  border-radius:.55rem; transition:.3s; cursor:pointer;
}
.profile-avatar-edit:hover { background:var(--pg-gold); border-color:var(--pg-gold-soft); color:#07101a; }