/* about.css — About page styles */

.about-hero {
  background:
    radial-gradient(ellipse 40% 60% at 95% 0%, color-mix(in oklab, var(--color-primary) 8%, transparent), transparent),
    radial-gradient(ellipse 30% 40% at 5% 90%,  color-mix(in oklab, var(--color-gold)   6%, transparent), transparent),
    var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
}
.about-hero-grid { display: grid; grid-template-columns: 1fr 300px; gap: var(--space-16); align-items: center; }
.about-hero-text  { display: grid; gap: var(--space-6); }
.about-social-links { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.about-social-links a {
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.34rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid color-mix(in oklab, var(--color-text) 14%, transparent);
  color: var(--color-text-muted);
  background: color-mix(in oklab, var(--color-surface) 92%, transparent);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.about-social-links a:hover {
  color: var(--color-text);
  border-color: color-mix(in oklab, var(--color-primary) 24%, transparent);
  background: color-mix(in oklab, var(--color-primary) 8%, var(--color-surface));
}
.about-hero-links { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* Avatar */
.about-avatar-col { display: flex; flex-direction: column; align-items: center; gap: var(--space-4); }
.avatar-frame { position: relative; display: flex; align-items: center; justify-content: center; }
.avatar-placeholder {
  width: 220px; height: 220px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 3.5rem; font-weight: 400;
  color: var(--color-primary);
  background: color-mix(in oklab, var(--color-primary) 8%, var(--color-surface));
  border: 2px solid color-mix(in oklab, var(--color-primary) 18%, transparent);
  letter-spacing: -0.02em;
  /* Replace with: background-image: url(./ivan.jpg); background-size: cover; */
}
.avatar-ring {
  position: absolute; inset: -10px; border-radius: 50%;
  border: 1.5px dashed color-mix(in oklab, var(--color-primary) 22%, transparent);
  animation: spin 20s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .avatar-ring { animation: none; } }
.about-location-pill {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 500;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-surface) 90%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-text) 12%, transparent);
}

/* Numbers strip */
.about-numbers { border-block: 1px solid var(--color-divider); background: var(--color-surface); }
.numbers-strip {
  display: flex; align-items: center; padding-block: var(--space-6);
  overflow-x: auto; scrollbar-width: none;
}
.numbers-strip::-webkit-scrollbar { display: none; }
.number-item { display: flex; flex-direction: column; gap: 2px; padding-inline: var(--space-8); text-align: center; flex-shrink: 0; }
.number-item strong { font-size: var(--text-2xl); font-weight: 800; color: var(--color-primary); }
.number-item span   { font-size: var(--text-xs); color: var(--color-text-muted); white-space: nowrap; }
.number-divider { width: 1px; height: 44px; background: var(--color-divider); flex-shrink: 0; }

/* Focus grid */
.focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.focus-card {
  padding: var(--space-6);
  border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--color-surface-2) 96%, transparent);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: start;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
}
.focus-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: color-mix(in oklab, var(--color-primary) 24%, transparent); }
.focus-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-primary-highlight); color: var(--color-primary);
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
}
.focus-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  grid-column: 1;
  grid-row: 1;
  align-self: center;
}
.focus-card p  { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; max-width: none; grid-column: 1 / -1; }
.focus-tags    { display: flex; flex-wrap: wrap; gap: var(--space-2); grid-column: 1 / -1; }

/* Timeline */
.about-timeline { background: var(--color-surface); }
.about-tl-grid  { display: grid; grid-template-columns: 300px 1fr; gap: var(--space-20); align-items: start; }
.tl-heading     { position: sticky; top: calc(var(--header-h) + var(--space-8)); display: grid; gap: var(--space-4); }
.tl-heading h2  { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 400; }
.tl-heading p   { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 30ch; }

.timeline-list  { display: grid; gap: 0; position: relative; }
.tl-item {
  display: grid;
  grid-template-columns: 52px 20px 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-8);
  position: relative;
}
.tl-item::before {
  content: '';
  position: absolute;
  left: calc(52px + 10px + var(--space-4)); /* center of dot column */
  top: 8px; bottom: 0; width: 1px;
  background: var(--color-divider);
}
.tl-item--last::before { display: none; }

.tl-date {
  font-size: var(--text-sm); font-weight: 800; color: var(--color-primary);
  padding-top: 0.1rem; text-align: right;
}
.tl-dot {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--color-bg); border: 3px solid var(--color-primary);
  flex-shrink: 0; margin-top: 0; z-index: 1;
}
.tl-content { display: grid; gap: var(--space-2); padding-top: 0; }
.tl-content strong { font-size: var(--text-base); font-weight: 700; }
.tl-content span   { font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.tl-content p      { font-size: var(--text-sm); color: var(--color-text-muted); max-width: none; line-height: 1.6; }

/* Stack */
.about-stack { background: var(--color-bg); }
.stack-groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.stack-group  { display: grid; gap: var(--space-4); }
.stack-group h3 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-faint); font-weight: 800; }
.stack-pills { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.stack-pills span {
  font-size: var(--text-sm); font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-surface-2) 90%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.stack-pills span:hover { background: color-mix(in oklab, var(--color-primary) 8%, var(--color-surface)); color: var(--color-primary); border-color: color-mix(in oklab, var(--color-primary) 24%, transparent); }

.about-cta { background: var(--color-surface); }

/* Responsive */
@media (max-width: 1000px) {
  .about-hero-grid { grid-template-columns: 1fr; }
  .about-avatar-col { order: -1; }
  .stack-groups { grid-template-columns: repeat(2, 1fr); }
  .about-tl-grid { grid-template-columns: 1fr; }
  .tl-heading { position: static; }
}
@media (max-width: 780px) {
  .numbers-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
    overflow: visible;
  }
  .number-divider {
    display: none;
  }
  .number-item {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
    background: color-mix(in oklab, var(--color-surface-2) 86%, transparent);
  }
  .focus-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .numbers-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
  }
  .focus-grid { grid-template-columns: 1fr; }
  .stack-groups { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 44px 16px 1fr; }
  .number-item { padding: var(--space-3); min-height: 84px; justify-content: center; }
  .number-item span { white-space: normal; }
  .about-social-links a { width: 100%; text-align: center; }
}

@media (max-width: 380px) {
  .number-item strong { font-size: 1.35rem; }
  .number-item span { font-size: 0.68rem; line-height: 1.25; }
}