/* Portfolio sections & components — tokens only (var(--qa-*)). */

/* Header */
.qa-header { position: sticky; top: 0; z-index: 50; height: var(--qa-header-h);
  display: flex; align-items: center; background: rgba(13,1,25,.72); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--qa-line-soft); }
.qa-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.qa-brand { font-weight: 700; color: var(--qa-ink); }
.qa-nav { display: flex; gap: 1.4rem; align-items: center; }
.qa-nav a { color: var(--qa-muted); font-size: .9rem; font-weight: 500; }
.qa-nav a:hover, .qa-nav a.active { color: var(--qa-ink); text-decoration: none; }
.lang-toggle { background: rgba(255,255,255,.05); border: 1px solid var(--qa-line);
  color: var(--qa-ink); border-radius: var(--qa-radius-pill); padding: .35rem .8rem;
  font-family: inherit; font-weight: 600; font-size: .82rem; cursor: pointer; }
.lang-toggle:hover { border-color: var(--qa-cyan); }
@media (max-width: 720px) { .qa-nav a { display: none; } }

/* Hero — 2 columns */
.hero { padding: clamp(3rem, 9vh, 6rem) 0 clamp(2rem, 5vh, 3.5rem); }
.hero .container { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2.5rem; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); margin: .6rem 0 .3rem; }
.hero .role-line { font-size: clamp(1.1rem, 2.5vw, 1.5rem); color: var(--qa-muted); font-weight: 600; margin-bottom: 1rem; }
.hero .lead { color: var(--qa-muted); max-width: 46ch; font-size: 1.05rem; }
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin: 1.4rem 0 1rem; }
.hero-meta { color: var(--qa-faint); font-size: .9rem; }
.hero-photo { justify-self: center; }
.hero-photo img { width: min(320px, 70vw); aspect-ratio: 1; object-fit: cover; object-position: center 20%;
  border-radius: 20px; border: 1px solid var(--qa-line); box-shadow: var(--qa-shadow); }
@media (max-width: 820px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-cta { justify-content: center; } .hero .lead { margin-inline: auto; }
  .hero-photo { order: -1; }
}

/* Skills grid */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }
.skill-group h3 { color: var(--qa-cyan); margin-bottom: .8rem; }
.skill-note { color: var(--qa-faint); font-size: .82rem; margin-top: .8rem; font-style: italic; }

/* AI highlight band */
.ai-band { background: linear-gradient(135deg, rgba(var(--qa-violet-rgb), .18), rgba(var(--qa-cyan-rgb), .12));
  border: 1px solid var(--qa-line); border-radius: var(--qa-radius); padding: 2rem; text-align: center; }
.ai-band p { color: var(--qa-muted); max-width: 62ch; margin: 0 auto; }

/* Experience timeline */
.exp-head { text-align: center; margin-bottom: 2rem; }
.exp-head .company { font-weight: 700; font-size: 1.2rem; }
.exp-head .period { color: var(--qa-faint); }
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 1.6rem; }
.timeline::before { content: ""; position: absolute; left: 0; top: .4rem; bottom: .4rem; width: 2px; background: var(--qa-line); }
.tl-item { position: relative; padding: 0 0 1.6rem 1.4rem; }
.tl-item::before { content: ""; position: absolute; left: -1.6rem; top: .45rem; width: 12px; height: 12px;
  border-radius: 50%; background: var(--qa-grad); transform: translateX(-5px); box-shadow: var(--qa-glow); }
.tl-item .tl-period { color: var(--qa-cyan); font-weight: 600; font-size: .85rem; }
.tl-item .tl-role { font-weight: 700; }
.tl-item .tl-project { color: var(--qa-muted); }
.tl-item ul { margin: .5rem 0 .6rem; padding-left: 1.1rem; color: var(--qa-muted); font-size: .92rem; }
.tl-item li { margin-bottom: .25rem; }

/* Projects showcase */
.projects { display: grid; gap: 1.4rem; }
.project { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: center; }
.project.reverse .project-body { order: 2; }
.project .project-visual { display: flex; align-items: center; justify-content: center;
  min-height: 150px; border-radius: var(--qa-radius); background: rgba(255,255,255,.02);
  border: 1px dashed var(--qa-line); color: var(--qa-faint); font-weight: 700; font-size: 1.1rem; padding: 1rem; text-align: center; }
.project h3 { margin-bottom: .3rem; }
.project .project-role { color: var(--qa-cyan); font-size: .85rem; font-weight: 600; margin-bottom: .6rem; }
.project p { color: var(--qa-muted); font-size: .92rem; margin-bottom: .5rem; }
.project .lbl { color: var(--qa-ink); font-weight: 600; }
@media (max-width: 720px) { .project, .project.reverse .project-body { grid-template-columns: 1fr; order: 0; } }

/* Education & awards */
.edu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; }

/* Contact */
.contact-band { text-align: center; }
.contact-band .lead { color: var(--qa-muted); margin-bottom: 1.6rem; }
.contact-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem 2rem; margin-bottom: 1.6rem; }
.contact-list .lbl { color: var(--qa-faint); font-size: .8rem; display: block; }
.contact-list .val { color: var(--qa-ink); font-weight: 600; }

/* Footer */
.qa-footer { border-top: 1px solid var(--qa-line-soft); padding: 2rem 0; text-align: center; color: var(--qa-faint); font-size: .88rem; }

/* Reveal on scroll (enhanced by JS; visible by default) */
.reveal { opacity: 1; }
.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; } }

/* Soft Skills & Leadership — name + short description cards (not chips). */
.soft-skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }
.soft-skill h3 { color: var(--qa-cyan); margin-bottom: .5rem; font-size: 1.05rem; }
.soft-skill-desc { color: var(--qa-muted); font-size: .92rem; margin: 0; }

/* Languages — name — level rows. */
.languages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.lang-item { display: flex; flex-direction: column; gap: .3rem; }
.lang-name { color: var(--qa-ink); font-weight: 600; }
.lang-level { color: var(--qa-muted); font-size: .9rem; }