/*
 * About page — extends legal.css with about-specific layout blocks.
 * Does not redefine base tokens, nav, footer, or typography.
 */

/* ── Section nav ── */
.about-section-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding-bottom: 4px;
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.about-section-nav a {
  color: var(--legal-fg-4);
  text-decoration: none;
  transition: color 0.15s ease;
}

.about-section-nav a:hover,
.about-section-nav a:focus-visible {
  color: var(--legal-fg-2);
  outline: none;
}

.about-section-nav span {
  color: var(--legal-fg-4);
  opacity: 0.4;
  user-select: none;
}

/* ── Anchor scroll offset ── */
.about-section-anchor {
  scroll-margin-top: 48px;
}

/* fallback for anchored headings without wrapper (e.g. #setup) */
h2[id] {
  scroll-margin-top: 72px;
}

/* ── Section icon — inline with heading, mirrors landing tile icons ── */
.about-section-anchor h2 {
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-section-icon {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  opacity: 0.7;
}

.about-section-icon svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.about-section-icon .li-stroke {
  stroke: var(--legal-fg-3);
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-section-icon .li-stroke-thin {
  stroke: var(--legal-fg-3);
  stroke-width: 1.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-section-icon .li-fill {
  fill: var(--legal-fg-3);
  stroke: none;
}

.about-section-icon .li-fill-accent {
  fill: var(--legal-amber);
  stroke: none;
  opacity: 0.55;
}

/* ── Provider grid ── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  background: var(--legal-line);
  border: 1px solid var(--legal-line);
  border-radius: 14px;
  overflow: hidden;
}

.about-grid-cell {
  padding: 22px 20px;
  background: var(--legal-bg);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-grid-cell-name {
  color: var(--legal-fg);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.about-grid-cell-tag {
  color: var(--legal-amber);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
}

.about-grid-cell-desc {
  margin: 4px 0 0;
  color: var(--legal-fg-3);
  font-size: 13px;
  line-height: 1.6;
}

/* ── Two-column access comparison ── */
.about-access-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 28px 0 0;
  background: var(--legal-line);
  border: 1px solid var(--legal-line);
  border-radius: 14px;
  overflow: hidden;
}

.about-access-col {
  padding: 24px 22px;
  background: var(--legal-bg);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-access-col-label {
  color: var(--legal-fg);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.about-access-col-sublabel {
  margin: -4px 0 4px;
  color: var(--legal-fg-4);
  font-size: 12px;
}

.about-access-col ul {
  margin: 0;
  padding-left: 16px;
  color: var(--legal-fg-2);
  font-size: 14px;
  line-height: 1.7;
}

.about-access-col li {
  margin: 5px 0;
}

/* ── Accent block (AI Studio callout) ── */
.about-accent-block {
  margin: 20px 0 0;
}

.about-accent-block-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--legal-amber);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.85;
}

.about-accent-block-label::before {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--legal-amber);
  content: "";
}

.about-accent-block p {
  margin: 0 0 12px;
  color: var(--legal-fg-2);
  font-size: 15px;
  line-height: 1.72;
}

.about-accent-block p:last-child {
  margin-bottom: 0;
}

/* ── Numbered setup steps ── */
.about-steps {
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--legal-line);
}

.about-step:last-child {
  border-bottom: none;
}

.about-step-num {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--legal-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--legal-fg-4);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
}

.about-step-body {
  padding-top: 4px;
  color: var(--legal-fg-2);
  font-size: 14px;
  line-height: 1.65;
}

.about-step-body strong {
  display: block;
  margin-bottom: 2px;
  color: var(--legal-fg);
  font-size: 14px;
  font-weight: 600;
}

/* ── Closing CTA ── */
.about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0 0;
}

.about-cta-btn {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 20px;
  border: 1px solid var(--legal-line);
  border-radius: 999px;
  background: transparent;
  color: var(--legal-fg-2);
  font: inherit;
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.about-cta-btn:hover,
.about-cta-btn:focus-visible {
  color: var(--legal-fg);
  border-color: rgba(255, 255, 255, 0.14);
  outline: none;
}

.about-cta-btn--primary {
  border-color: rgba(232, 201, 124, 0.3);
  color: var(--legal-amber);
}

.about-cta-btn--primary:hover,
.about-cta-btn--primary:focus-visible {
  border-color: rgba(232, 201, 124, 0.55);
  color: var(--legal-amber);
}

/* ── Inline highlight ── */
.about-hl {
  color: var(--legal-fg);
  font-weight: 500;
}

/* ── AI Studio mock conversation ── */
.about-studio-mock {
  margin: 28px 0 0;
  border: 1px solid var(--legal-line);
  border-radius: 14px;
  overflow: hidden;
}

/* Session bar — participant chips + mode selector */
.asm-session-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--legal-line);
  background: rgba(255, 255, 255, 0.015);
}

.asm-session-participants {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.asm-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px 3px 7px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.028);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--legal-fg-3);
  white-space: nowrap;
  user-select: none;
}

.asm-chip-dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  flex-shrink: 0;
  opacity: 0.85;
}

.asm-mode-chip {
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--legal-fg-4);
  white-space: nowrap;
  user-select: none;
  flex-shrink: 0;
}

/* Thread — flowing conversation */
.asm-thread {
  padding: 2px 0;
}

.asm-line {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 14px 18px;
}

.asm-line + .asm-line {
  border-top: 1px solid rgba(255, 255, 255, 0.038);
}

/* Directional stagger: Claude left, Gemini right, user center */
.asm-line--left {
  padding-right: 30%;
}

.asm-line--right {
  padding-left: 30%;
  grid-template-columns: 1fr 52px;
}

.asm-line--right .asm-tag {
  grid-column: 2;
  grid-row: 1;
  text-align: right;
}

.asm-line--right .asm-text {
  grid-column: 1;
  grid-row: 1;
}

.asm-line--user {
  background: rgba(232, 201, 124, 0.018);
}

.asm-tag {
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding-top: 2px;
  flex-shrink: 0;
  line-height: 1;
}

.asm-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--legal-fg-2);
}

.asm-line--user .asm-text {
  color: var(--legal-fg-3);
}

/* Disclaimer below mock */
.asm-disclaimer {
  margin: 10px 0 0;
  color: var(--legal-fg-4);
  font-size: 11px;
  line-height: 1.55;
  opacity: 0.7;
}

/* Footer */
.asm-footer {
  padding: 9px 18px 10px;
  border-top: 1px solid var(--legal-line);
}

.asm-footer-note {
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--legal-fg-4);
  opacity: 0.6;
}

@media (max-width: 400px) {
  .asm-line {
    grid-template-columns: 42px 1fr;
    gap: 8px;
    padding: 10px 14px;
  }
  .asm-session-bar {
    padding: 9px 14px;
  }
  .asm-footer {
    padding: 8px 14px 9px;
  }
  .asm-line--left  { padding-right: 14%; }
  .asm-line--right { padding-left: 14%; }
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .about-access-cols {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

}

@media (max-width: 400px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}