/* ============================================================
   AAA Hub — showcase.css
   Portfolio (listing + project page) and the instructor profile page.
   Only uses the variables from main.css, so light mode follows for free.
   ============================================================ */

/* ── Portfolio card (marketplace style: cover, then a plain title) ── */
.pf-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.5rem; }
.pf-card {
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
}
.pf-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0,126,63,.45); }
.pf-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-secondary); }
.pf-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform 1.2s ease; display: block; }
.pf-card:hover .pf-thumb img { transform: scale(1.06); }
.pf-thumb::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.55), transparent 55%);
  opacity: 0; transition: opacity var(--t-normal);
}
.pf-card:hover .pf-thumb::after { opacity: 1; }
.pf-view {
  position: absolute; inset-inline: 0; bottom: 1rem; margin: auto; width: max-content; z-index: 2;
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .5rem 1.1rem; border-radius: var(--radius-full);
  background: var(--green); color: #fff; font-size: .82rem; font-weight: 700;
  opacity: 0; transform: translateY(10px); transition: all var(--t-normal);
}
.pf-card:hover .pf-view { opacity: 1; transform: translateY(0); }
.pf-chip {
  position: absolute; top: .8rem; inset-inline-start: .8rem; z-index: 2;
  padding: .25rem .7rem; border-radius: var(--radius-full); font-size: .7rem; font-weight: 700;
  background: rgba(13,17,23,.72); color: #fff; backdrop-filter: blur(6px);
}
.pf-chip.gold { inset-inline-start: auto; inset-inline-end: .8rem; background: var(--gold); color: #1a1400; }
.pf-body { padding: 1rem 1.1rem 1.1rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.pf-title { font-size: 1rem; font-weight: 800; line-height: 1.5; color: var(--text-primary); }
.pf-card:hover .pf-title { color: var(--green-light); }
.pf-meta { display: flex; gap: .9rem; flex-wrap: wrap; font-size: .76rem; color: var(--text-muted); margin-top: auto; }
.pf-meta i { color: var(--green); margin-inline-end: .25rem; }

/* filter chips */
.pf-filters { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; margin-bottom: 2.25rem; }
.pf-filter {
  padding: .45rem 1.05rem; border-radius: var(--radius-full); border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-secondary); font-size: .85rem; font-weight: 700; text-decoration: none;
  transition: all var(--t-fast);
}
.pf-filter:hover { border-color: var(--green); color: var(--text-primary); }
.pf-filter.active { background: var(--green); border-color: var(--green); color: #fff; }
.pf-filter span { opacity: .7; font-weight: 500; }

/* ── Project page ─────────────────────────────────────────────── */
.pj-head { padding: 2.25rem 0 1.75rem; background: var(--bg-secondary); border-bottom: 1px solid var(--border); }
.pj-head h1 { font-size: clamp(1.4rem, 3.4vw, 2.2rem); font-weight: 900; line-height: 1.4; margin: .5rem 0 .75rem; }
.pj-tags { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; font-size: .82rem; color: var(--text-muted); }
.pj-tags .sep { opacity: .4; }
.pj-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 2rem; align-items: start; }
.pj-side { display: flex; flex-direction: column; gap: 1.25rem; }

.pj-viewer { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--bg-secondary); box-shadow: var(--shadow-md); }
.pj-browser { display: flex; align-items: center; gap: .4rem; padding: .6rem .9rem; background: var(--bg-card); border-bottom: 1px solid var(--border); }
.pj-browser i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; display: inline-block; }
.pj-browser i:nth-child(2) { background: #febc2e; } .pj-browser i:nth-child(3) { background: #28c840; }
.pj-browser span { flex: 1; margin-inline-start: .6rem; padding: .2rem .8rem; border-radius: var(--radius-full); background: var(--bg-secondary); font-size: .75rem; color: var(--text-muted); direction: ltr; text-align: center; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.pj-stage { position: relative; aspect-ratio: 16 / 10; cursor: zoom-in; }
.pj-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; opacity: 0; transition: opacity .35s ease; }
.pj-stage img.on { opacity: 1; }
.pj-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 42px; height: 42px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(13,17,23,.65); color: #fff; font-size: 1rem; backdrop-filter: blur(4px);
  transition: background var(--t-fast);
}
.pj-nav:hover { background: var(--green); }
.pj-nav.prev { inset-inline-start: .8rem; } .pj-nav.next { inset-inline-end: .8rem; }
.pj-count { position: absolute; bottom: .8rem; inset-inline-end: .8rem; z-index: 3; padding: .2rem .65rem; border-radius: var(--radius-full); background: rgba(13,17,23,.7); color: #fff; font-size: .75rem; direction: ltr; }
.pj-thumbs { display: flex; gap: .6rem; overflow-x: auto; padding: .9rem .1rem .3rem; scrollbar-width: thin; }
.pj-thumbs button { flex: 0 0 118px; aspect-ratio: 16 / 10; border-radius: var(--radius-sm); overflow: hidden; border: 2px solid transparent; padding: 0; cursor: pointer; background: var(--bg-card); opacity: .6; transition: all var(--t-fast); }
.pj-thumbs button img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.pj-thumbs button:hover { opacity: 1; }
.pj-thumbs button.on { border-color: var(--green); opacity: 1; }

.pj-section { margin-top: 2.25rem; }
.pj-section h2 { font-size: 1.15rem; font-weight: 800; margin-bottom: 1rem; display: flex; align-items: center; gap: .6rem; }
.pj-section h2 i { color: var(--green); }
.pj-desc { color: var(--text-secondary); line-height: 2; font-size: .96rem; }
.pj-desc p { margin-bottom: .9rem; }
.pj-desc ul { list-style: none; display: grid; gap: .55rem; margin: .4rem 0 1rem; }
.pj-desc li { position: relative; padding-inline-start: 1.6rem; }
.pj-desc li::before { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; inset-inline-start: 0; top: .1rem; color: var(--green); font-size: .8rem; }
.pj-desc h3 { color: var(--text-primary); font-size: 1rem; font-weight: 800; margin: 1.25rem 0 .5rem; }

.pj-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.25rem; }
.pj-card h3 { font-size: .95rem; font-weight: 800; margin-bottom: 1rem; }
.pj-facts { display: grid; gap: .8rem; }
.pj-fact { display: flex; justify-content: space-between; gap: 1rem; font-size: .86rem; padding-bottom: .8rem; border-bottom: 1px dashed var(--border); }
.pj-fact:last-child { border-bottom: none; padding-bottom: 0; }
.pj-fact span:first-child { color: var(--text-muted); }
.pj-fact span:first-child i { width: 1.1rem; color: var(--green); }
.pj-fact span:last-child { font-weight: 700; text-align: end; }
.pj-visit { width: 100%; justify-content: center; margin-top: 1.1rem; font-size: 1rem; padding: .85rem 1rem; }
.skill-chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.skill-chip { padding: .3rem .8rem; border-radius: var(--radius-full); background: var(--green-glow); color: var(--green-light); border: 1px solid rgba(0,126,63,.35); font-size: .78rem; font-weight: 700; }
body.light-mode .skill-chip { color: var(--green-dark); }

.pj-phone { width: 210px; margin: 0 auto; border-radius: 30px; padding: 9px; background: #0b0e13; box-shadow: var(--shadow-lg), inset 0 0 0 2px #2a3140; }
.pj-phone div { border-radius: 22px; overflow: hidden; aspect-ratio: 390 / 844; background: #000; }
.pj-phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }

.pj-owner { display: flex; gap: .9rem; align-items: center; text-decoration: none; color: inherit; }
.pj-owner img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--green); }
.pj-owner b { display: block; font-size: .95rem; }
.pj-owner small { color: var(--text-muted); font-size: .76rem; line-height: 1.5; display: block; }
.pj-owner:hover b { color: var(--green-light); }

.pj-share { display: flex; gap: .5rem; }
.pj-share a, .pj-share button { flex: 1; justify-content: center; }

.pj-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2.5rem; }
.pj-pager a { display: flex; flex-direction: column; gap: .2rem; padding: 1rem 1.2rem; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--bg-card); text-decoration: none; color: inherit; transition: border-color var(--t-fast); }
.pj-pager a:hover { border-color: var(--green); }
.pj-pager small { color: var(--text-muted); font-size: .75rem; }
.pj-pager b { font-size: .9rem; }
.pj-pager .nx { text-align: end; grid-column: 2; }

/* lightbox */
.lbx { position: fixed; inset: 0; z-index: 10000; background: rgba(5,7,10,.94); display: none; align-items: center; justify-content: center; padding: 3.5rem 4.5rem; }
.lbx.open { display: flex; }
.lbx img { max-width: 100%; max-height: 100%; border-radius: var(--radius-md); box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.lbx .pj-nav { position: fixed; }
.lbx-close { position: fixed; top: 1rem; inset-inline-end: 1rem; width: 44px; height: 44px; border-radius: 50%; border: none; background: rgba(255,255,255,.12); color: #fff; font-size: 1.2rem; cursor: pointer; }
.lbx-count { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.7); font-size: .85rem; direction: ltr; }

/* ── Instructor profile ───────────────────────────────────────── */
.pr-hero { position: relative; overflow: hidden; padding: 3.5rem 0 4.5rem; background: var(--bg-secondary); border-bottom: 1px solid var(--border); }
.pr-hero::before { content: ''; position: absolute; inset: 0; background:
  radial-gradient(ellipse 60% 70% at 15% 20%, rgba(0,126,63,.22), transparent 60%),
  radial-gradient(ellipse 50% 60% at 90% 90%, rgba(210,175,26,.14), transparent 60%); pointer-events: none; }
.pr-hero .container { position: relative; display: grid; grid-template-columns: auto 1fr; gap: 3rem; align-items: center; }
.pr-photo { position: relative; width: 260px; height: 260px; }
.pr-photo::before { content: ''; position: absolute; inset: -8px; border-radius: 50%; background: conic-gradient(from 200deg, var(--green), var(--gold), var(--green-light), var(--green)); animation: pr-spin 12s linear infinite; }
.pr-photo img, .pr-photo .avatar-initials { position: relative; width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 6px solid var(--bg-secondary); display: flex; align-items: center; justify-content: center; font-size: 5rem; }
.pr-badge { position: absolute; bottom: 14px; inset-inline-end: 4px; z-index: 2; display: inline-flex; align-items: center; gap: .35rem; padding: .35rem .8rem; border-radius: var(--radius-full); background: var(--bg-card); border: 1px solid var(--border); font-size: .75rem; font-weight: 700; box-shadow: var(--shadow-md); }
.pr-badge i { color: #28c840; font-size: .55rem; }
@keyframes pr-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .pr-photo::before { animation: none; } }
.pr-hello { color: var(--gold); font-weight: 800; font-size: .95rem; letter-spacing: .02em; }
.pr-name { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900; line-height: 1.25; margin: .3rem 0 .6rem; }
.pr-role { font-size: clamp(1rem, 2vw, 1.2rem); color: var(--green-light); font-weight: 700; margin-bottom: 1rem; line-height: 1.6; }
body.light-mode .pr-role { color: var(--green); }
.pr-lead { color: var(--text-secondary); max-width: 640px; line-height: 1.9; margin-bottom: 1.6rem; }
.pr-cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.pr-socials { display: flex; gap: .5rem; flex-wrap: wrap; }
.pr-socials a { width: 42px; height: 42px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-secondary); text-decoration: none; transition: all var(--t-fast); }
.pr-socials a:hover { background: var(--green); border-color: var(--green); color: #fff; transform: translateY(-3px); }

.pr-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1rem; margin-top: -2.2rem; position: relative; z-index: 2; }
.pr-stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.25rem; text-align: center; box-shadow: var(--shadow-md); }
.pr-stat i { color: var(--gold); font-size: 1.3rem; margin-bottom: .4rem; }
.pr-stat b { display: block; font-size: 1.9rem; font-weight: 900; line-height: 1.2; }
.pr-stat > span { font-size: .82rem; color: var(--text-muted); }
.pr-stat b small { color: var(--green-light); font-size: 1.2rem; }

.pr-tabs { position: sticky; top: var(--nav-h); z-index: 50; background: color-mix(in srgb, var(--bg-primary) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); margin-top: 2.5rem; }
.pr-tabs .container { display: flex; gap: .3rem; overflow-x: auto; scrollbar-width: none; }
.pr-tabs a { padding: .9rem 1rem; white-space: nowrap; color: var(--text-secondary); font-weight: 700; font-size: .88rem; text-decoration: none; border-bottom: 2px solid transparent; }
.pr-tabs a:hover, .pr-tabs a.on { color: var(--text-primary); border-bottom-color: var(--green); }

.pr-sec { padding: 4rem 0 0; scroll-margin-top: calc(var(--nav-h) + 56px); }
.pr-sec-h { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.75rem; flex-wrap: wrap; }
.pr-sec-h small { color: var(--gold); font-weight: 800; font-size: .8rem; display: block; margin-bottom: .2rem; }
.pr-sec-h h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 900; }
.pr-about { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 2rem; align-items: start; }
.pr-about p { color: var(--text-secondary); line-height: 2; margin-bottom: 1rem; }
.pr-about-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; }
.pr-about-card h3 { font-size: 1rem; font-weight: 800; margin-bottom: 1rem; }

.pr-timeline { position: relative; display: grid; gap: 1.1rem; padding-inline-start: 1.75rem; }
.pr-timeline::before { content: ''; position: absolute; top: .4rem; bottom: .4rem; inset-inline-start: .45rem; width: 2px; background: linear-gradient(var(--green), var(--gold)); border-radius: 2px; }
.pr-tl { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.1rem 1.25rem; transition: border-color var(--t-fast); }
.pr-tl:hover { border-color: rgba(0,126,63,.5); }
.pr-tl::before { content: ''; position: absolute; top: 1.35rem; inset-inline-start: calc(-1.75rem + .1rem); width: 14px; height: 14px; border-radius: 50%; background: var(--bg-primary); border: 3px solid var(--green); }
.pr-tl h3 { font-size: 1rem; font-weight: 800; }
.pr-tl .place { color: var(--gold); font-size: .82rem; font-weight: 700; margin: .15rem 0 .45rem; }
.pr-tl p { color: var(--text-secondary); font-size: .9rem; line-height: 1.85; }

.pr-course { display: flex; flex-direction: column; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; text-decoration: none; color: inherit; transition: transform var(--t-normal), border-color var(--t-normal); }
.pr-course:hover { transform: translateY(-5px); border-color: var(--green); }
.pr-course img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }
.pr-course div { padding: 1rem 1.1rem 1.2rem; }
.pr-course h3 { font-size: 1rem; font-weight: 800; margin-bottom: .35rem; }
.pr-course p { font-size: .84rem; color: var(--text-secondary); line-height: 1.7; }

.pr-contact { margin: 4.5rem 0 0; padding: 3rem 2rem; border-radius: var(--radius-xl); text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--green-dark), #0a3d20 60%, var(--green-dark)); color: #fff; }
.pr-contact::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(210,175,26,.22), transparent 65%); pointer-events: none; }
.pr-contact > * { position: relative; }
.pr-contact h2 { font-size: clamp(1.4rem, 3.5vw, 2.1rem); font-weight: 900; margin-bottom: .6rem; }
.pr-contact p { color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto 1.6rem; }
.pr-contact-grid { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.pr-contact-grid a { display: inline-flex; align-items: center; gap: .55rem; padding: .8rem 1.3rem; border-radius: var(--radius-full); text-decoration: none; font-weight: 700; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); color: #fff; transition: all var(--t-fast); }
.pr-contact-grid a:hover { background: #fff; color: var(--green-dark); }
.pr-contact-grid a.main { background: var(--gold); border-color: var(--gold); color: #1a1400; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .pj-layout { grid-template-columns: 1fr; }
  .pj-side { position: static; }
  .pr-about { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .pr-hero { padding-top: 2rem; text-align: center; }
  .pr-hero .container { grid-template-columns: 1fr; gap: 1.75rem; justify-items: center; }
  .pr-photo { width: 190px; height: 190px; }
  .pr-lead { margin-inline: auto; }
  .pr-cta, .pr-socials { justify-content: center; }
  .pr-stats { grid-template-columns: repeat(2, 1fr); }
  .pr-stat b { font-size: 1.5rem; }
  .pf-grid { grid-template-columns: 1fr; }
  .pj-thumbs button { flex-basis: 92px; }
  .pj-pager { grid-template-columns: 1fr; }
  .pj-pager .nx { grid-column: auto; }
  .lbx { padding: 3.5rem .5rem; }
  .pr-contact { padding: 2.25rem 1.1rem; }
}