/* ── Reset & Base ─────────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --color-bg: #ffffff;
  --color-text: #111111;
  --color-text-secondary: #555555;
  --color-text-tertiary: #999999;
  --color-accent: #16a34a;
  --color-accent-light: #dcfce7;
  --color-border: #e8e8e8;
  --color-border-light: #f2f2f2;
  --color-surface: #f7f7f7;

  --max-width: 780px;
  --page-padding: 24px;

  --transition: 0.15s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

/* ── Layout ───────────────────────────────────────────────────────────────── */

.page-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

/* ── Navigation ───────────────────────────────────────────────────────────── */

.site-nav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 100;
}

.site-nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.site-nav__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav__name:hover {
  text-decoration: none;
  color: var(--color-text);
}

.site-nav__links {
  display: flex;
  gap: 2px;
}

.site-nav__links a {
  font-size: 13px;
  color: var(--color-text-secondary);
  padding: 5px 11px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  font-weight: 400;
}

.site-nav__links a:hover {
  color: var(--color-text);
  background: var(--color-surface);
  text-decoration: none;
}

.site-nav__links a.active {
  color: var(--color-accent);
  font-weight: 500;
}

/* ── Sections ─────────────────────────────────────────────────────────────── */

section {
  padding: 80px 0;
}

section + section {
  border-top: 1px solid var(--color-border-light);
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 28px;
}

.section-hr {
  border: none;
  border-top: 1px solid var(--color-border-light);
  margin: 64px 0;
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */

#hero {
  padding: 80px 0 64px;
  border-top: none;
}

#about {
  padding-top: 0;
}

.hero__layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 56px;
  align-items: center;
}

.hero__name {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 20px;
}

.hero__right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero__icons {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
}

.hero__icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: var(--color-text-tertiary);
  border: 1px solid var(--color-border-light);
  transition: color var(--transition), border-color var(--transition);
}

.hero__icon-link:hover {
  color: var(--color-text);
  border-color: var(--color-border);
  text-decoration: none;
}

.hero__bio {
  font-size: 19px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: 20px;
}

.hero__bio strong {
  color: var(--color-accent);
  font-weight: 500;
}

.hero__previously {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-top: 32px;
  margin-bottom: 10px;
}

.hero__prev-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.hero__prev-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.hero__prev-list li::before {
  content: "";
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 8px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-bg);
}

.tag--accent {
  background: var(--color-accent-light);
  border-color: transparent;
  color: var(--color-accent);
}

.headshot-wrap {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
}

.headshot-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Currently ────────────────────────────────────────────────────────────── */

.currently-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}

.currently-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.currently-item__cover-link {
  display: block;
  flex-shrink: 0;
  border-radius: 6px;
  transition: opacity var(--transition);
}

.currently-item__cover-link:hover {
  opacity: 0.85;
}

.currently-item__cover {
  width: 112px;
  height: 76px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--color-border-light);
  display: block;
  background: var(--color-surface);
}

.currently-item__cover--book {
  width: 56px;
  height: 76px;
}

.currently-item__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 4px;
}

.currently-item__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.currently-item__sub {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ── About prose ──────────────────────────────────────────────────────────── */

.about-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: start;
}

.prose p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose strong {
  color: var(--color-accent);
  font-weight: 500;
}

.prose-callout {
  border-left: 3px solid var(--color-accent);
  padding: 12px 16px;
  margin-top: 20px;
  background: var(--color-accent-light);
  border-radius: 0 6px 6px 0;
}

.prose-callout p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0;
}

.aside-block {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.aside-section__title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
}

.aside-entry {
  margin-bottom: 12px;
}

.aside-entry:last-child {
  margin-bottom: 0;
}

.aside-entry__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1px;
}

.aside-entry__org {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}

.aside-entry__note {
  font-size: 12px;
  color: var(--color-text-tertiary);
  line-height: 1.5;
}

/* ── Timeline ─────────────────────────────────────────────────────────────── */

.timeline {
  display: flex;
  flex-direction: column;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1px 1fr;
  gap: 0 20px;
  padding-bottom: 28px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item__year {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  letter-spacing: 0.05em;
  padding-top: 3px;
  text-align: right;
}

.timeline-item__line {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-item__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  margin-top: 4px;
}

.timeline-item__dot--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.timeline-item__connector {
  width: 1px;
  flex: 1;
  background: var(--color-border-light);
  margin-top: 4px;
}

.timeline-item:last-child .timeline-item__connector {
  display: none;
}

.timeline-item__content {
  padding-bottom: 4px;
}

.timeline-item__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.timeline-item__title--accent {
  color: var(--color-accent);
}

.timeline-item__body {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ── BuyPilot ─────────────────────────────────────────────────────────────── */

.section-headline {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 8px;
}

.section-sub {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  line-height: 1.65;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.col-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 14px;
}

.bullet-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bullet-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.bullet-list li::before {
  content: "";
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 8px;
}

.focus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.focus-tag {
  font-size: 13px;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: 7px 14px;
}

/* ── Experience ───────────────────────────────────────────────────────────── */

.exp-group {
  margin-bottom: 48px;
}

.exp-group:last-child {
  margin-bottom: 0;
}

.exp-group__title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 16px;
}

.role-card {
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 8px;
  transition: border-color var(--transition);
}

.role-card:last-child {
  margin-bottom: 0;
}

.role-card:hover {
  border-color: var(--color-border);
}

.role-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  cursor: pointer;
  user-select: none;
  gap: 12px;
  background: var(--color-bg);
}

.role-card__header:hover {
  background: var(--color-surface);
}

.role-card__header-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.role-card__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.role-card__company {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.role-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.role-card__period {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.role-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  color: var(--color-text-tertiary);
}

.role-badge--founder {
  background: var(--color-accent-light);
  border-color: transparent;
  color: var(--color-accent);
}

.role-card__chevron {
  width: 16px;
  height: 16px;
  color: var(--color-text-tertiary);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.role-card.open .role-card__chevron {
  transform: rotate(180deg);
}

.role-card__body {
  display: none;
  padding: 0 18px 16px;
  border-top: 1px solid var(--color-border-light);
}

.role-card.open .role-card__body {
  display: block;
}

.role-card__body .bullet-list {
  padding-top: 14px;
}

.role-card__body .bullet-list li::before {
  background: var(--color-border);
}

/* ── Contact ──────────────────────────────────────────────────────────────── */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-intro {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

.contact-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.contact-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.contact-links a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Writing placeholder ──────────────────────────────────────────────────── */

.writing-empty {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  padding: 40px 32px;
  text-align: center;
  font-size: 14px;
  color: var(--color-text-tertiary);
}

/* ── Footer ───────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--color-border-light);
  padding: 24px var(--page-padding);
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-footer__left,
.site-footer__right {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.site-footer__right a {
  color: var(--color-text-tertiary);
}

.site-footer__right a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 680px) {
  :root {
    --page-padding: 18px;
  }

  .hero__layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero__right {
    order: -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .headshot-wrap {
    width: 100px;
    height: 100px;
  }

  .hero__name {
    font-size: 32px;
  }

  .hero__bio {
    font-size: 15px;
  }

  .currently-grid,
  .about-layout,
  .two-col,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .timeline-item {
    grid-template-columns: 64px 1px 1fr;
  }

  .site-nav__links {
    gap: 0;
    overflow-x: auto;
  }

  .site-nav__links a {
    padding: 5px 8px;
    white-space: nowrap;
  }
}