/* ============================================================
   AUDI — LXD Portfolio  |  about.css
   About page specific styles — extends style.css
   ============================================================ */

/* ── Active nav link ── */
.nav-active {
  color: var(--white) !important;
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 2px;
}

/* ── About Hero ── */
.about-hero {
  position: relative;
  padding: 9rem 4rem 6rem;
  background: var(--bg);
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.about-hero-bg { position: absolute; inset: 0; z-index: 0; }
.about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 5rem;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.about-hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.8rem, 5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 2rem;
  color: var(--white);
}
.about-hero-body p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--white-dim);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}
.accent-line {
  font-family: var(--font-title) !important;
  font-size: 1.2rem !important;
  font-weight: 700 !important;
  color: var(--accent) !important;
  margin: 1.5rem 0 !important;
}
.about-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

/* Photo */
.about-photo-wrap {
  position: relative;
  width: 280px;
  aspect-ratio: 3/4;
  margin: 0 auto 2rem;
}
.about-photo-placeholder {
  width: 100%; height: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-btn); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--white-muted); border-radius: 4px;
}
.about-photo-frame {
  position: absolute;
  top: 10px; right: -10px;
  width: 100%; height: 100%;
  border: 1.5px solid var(--accent);
  opacity: 0.35;
  border-radius: 4px;
  z-index: -1;
}

/* Quick facts */
.about-quick-facts {
  display: flex;
  justify-content: space-between;
  padding: 1.4rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  gap: 0.5rem;
}
.quick-fact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  flex: 1;
}
.qf-num {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-soft);
  line-height: 1;
}
.qf-plus {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-soft);
  line-height: 1;
  margin-left: 1px;
}
.qf-label {
  font-family: var(--font-btn);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white-muted);
  text-align: center;
}

/* ── Technical Arsenal ── */
.arsenal {
  padding: 7rem 4rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.arsenal-inner { max-width: 1200px; margin: 0 auto; }
.arsenal-inner .section-title { margin-bottom: 3rem; }
.arsenal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.arsenal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.8rem;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.arsenal-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}
.arsenal-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  display: block;
  filter: drop-shadow(0 0 12px rgba(254,4,103,0.2));
}
.arsenal-card h3 {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.35;
}
.arsenal-card ul { display: flex; flex-direction: column; gap: 0.5rem; }
.arsenal-card li {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--white-dim);
  line-height: 1.55;
  padding-left: 1rem;
  position: relative;
}
.arsenal-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-btn);
  font-size: 0.75rem;
}

/* ── Experience & Education ── */
.exp-edu {
  padding: 7rem 4rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.exp-edu-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}
.exp-col, .edu-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.exp-col .section-title,
.edu-col .section-title { margin-bottom: 2.5rem; }

/* Timeline card */
.timeline-card {
  position: relative;
  padding: 0 0 2rem 2rem;
  border-left: 1px solid var(--border);
  transition-delay: var(--delay, 0s);
}
.timeline-card:last-child { border-left: 1px solid transparent; }

.tl-dot {
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-glow);
  flex-shrink: 0;
}
.tl-dot--muted {
  background: var(--bg-3);
  border: 1.5px solid var(--border);
  box-shadow: none;
}

.tl-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.4rem;
  transition: border-color 0.3s;
}
.tl-content:hover { border-color: var(--border-hover); }

.tl-placeholder .tl-content {
  border-style: dashed;
  opacity: 0.5;
}

.tl-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.9rem;
  flex-wrap: wrap;
}
.tl-meta { flex: 1; }
.tl-org {
  display: block;
  font-family: var(--font-btn);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.tl-role {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}
.tl-role--muted { color: var(--white-muted); }

.tl-badge {
  font-family: var(--font-btn);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--accent);
  color: #fff;
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
  align-self: flex-start;
}
.tl-badge--active {
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent);
}
.tl-badge--muted {
  background: var(--bg-3);
  color: var(--white-muted);
  border: 1px solid var(--border);
}

.tl-highlight {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--white-dim);
  line-height: 1.7;
}
.tl-highlight strong { color: var(--white); }
.tl-desc {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--white-dim);
  line-height: 1.7;
}
.tl-desc--muted { color: var(--white-muted); font-style: italic; }
.tl-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.tl-list li {
  font-family: var(--font-body);
  font-size: 0.87rem;
  color: var(--white-dim);
  line-height: 1.65;
  padding-left: 1.1rem;
  position: relative;
}
.tl-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ── About CTA ── */
.about-cta {
  padding: 8rem 4rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  text-align: center;
}
.about-cta-inner { max-width: 600px; margin: 0 auto; }
.about-cta h2 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--white);
}
.about-cta p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--white-dim);
  margin-bottom: 2.5rem;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .arsenal-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}
@media (max-width: 900px) {
  .about-hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .about-hero-right { order: -1; }
  .about-photo-wrap { width: 180px; margin: 0 auto; }
  .about-hero-title { font-size: clamp(1.8rem, 6vw, 3rem); }
  .exp-edu-inner { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .about-hero, .arsenal, .exp-edu, .about-cta { padding: 3.5rem 1.2rem; }
  .arsenal-grid { grid-template-columns: 1fr; gap: 0.8rem; }
  .arsenal-card { padding: 1.2rem; }
  .arsenal-card h3 { font-size: 0.88rem; }
  .arsenal-card li { font-size: 0.82rem; }
  .about-hero-body p { font-size: 0.9rem; }
  .accent-line { font-size: 1rem !important; }
  .about-hero-actions { flex-direction: column; align-items: flex-start; }
  .about-quick-facts { flex-direction: row; flex-wrap: wrap; gap: 0.6rem; padding: 1rem; }
  .qf-num { font-size: 1.4rem; }
  .tl-content { padding: 1rem; }
  .tl-role { font-size: 0.88rem; }
  .tl-highlight, .tl-desc { font-size: 0.82rem; }
  .tl-list li { font-size: 0.82rem; }
  .about-cta h2 { font-size: clamp(1.5rem, 5vw, 2.2rem); }
  .about-cta p { font-size: 0.9rem; margin-bottom: 1.5rem; }
  .timeline-card { padding: 0 0 1.5rem 1.5rem; }
}
@media (max-width: 480px) {
  .about-hero { padding: 5rem 1rem 2.5rem; }
  .about-hero-title { font-size: 1.7rem; }
  .about-photo-wrap { width: 140px; }
  .arsenal, .exp-edu, .about-cta { padding: 3rem 1rem; }
  .tl-top { flex-direction: column; gap: 0.5rem; }
  .tl-badge { align-self: flex-start; }
}