:root {
  --bg: #f9fafb;
  --bg-elevated: #ffffff;
  --ink: #034050;
  --ink-soft: #4b5563;
  --border-subtle: rgba(15, 23, 42, 0.08);
  --accent: #178ebd;
  --accent-soft: #e0e7ff;
  --accent-strong: #034050;
  --danger: #dc2626;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.10);
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  background: radial-gradient(circle at top left, #eef2ff 0, #f9fafb 42%, #f1f5f9 100%);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0.75rem;
  padding: 0.5rem 0.9rem;
  background: var(--ink);
  color: #fff;
  border-radius: 0 999px 999px 0;
  font-size: 0.85rem;
  z-index: 50;
}

.skip-link:focus {
  left: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, #ffffff 82%, transparent);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 30% 10%, #e0f2fe, #e0e7ff 45%, #fef9c3 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.brand-name {
  font-size: 0.95rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.site-nav a {
  position: relative;
  padding-block: 0.15rem;
  color: var(--ink-soft);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  border-radius: 999px;
  transition: right 0.28s ease;
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav a:hover::after {
  right: 0;
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  padding: 0.35rem;
  border-radius: 999px;
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: var(--ink);
  border-radius: 999px;
}

.section {
  padding: 4.5rem 0;
}

/* Writing / Socials: tight vertical rhythm */
#writing.section {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

#socials.section {
  padding-top: 1.5rem;
  padding-bottom: 1.75rem;
}

.hero {
  padding-top: 4.75rem;
  padding-bottom: 2.75rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 3.5rem;
  align-items: center;
}

.ttt-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.06);
  padding: 0.8rem 0.8rem 0.9rem;
  max-width: 280px;
  width: 100%;
  min-width: 220px;
  justify-self: end;
}

.ttt-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.4rem;
}

.ttt-cell {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #fff;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.05);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.45rem;
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}

.ttt-card[data-gameover="true"] .ttt-grid {
  opacity: 0.68;
  filter: none;
  transition: opacity 1.5s ease;
}

.ttt-card .ttt-grid {
  transition: opacity 1.5s ease;
}

.ttt-cell:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(99, 102, 241, 0.7);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.ttt-cell:disabled {
  cursor: default;
  opacity: 0.9;
}

.ttt-cell[data-owner="user"] {
  color: var(--accent-strong);
}

.ttt-cell[data-owner="ai"] {
  color: var(--ink);
}

.ttt-cell:focus-visible,
.ttt-overlay-btn:focus-visible {
  outline: 3px solid rgba(99, 102, 241, 0.35);
  outline-offset: 2px;
}

.ttt-overlay {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(6px);
  border: 0;
  display: grid;
  place-items: center;
}

.ttt-overlay[hidden] {
  display: none !important;
}

.ttt-overlay-inner {
  text-align: center;
  display: grid;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
}

.ttt-overlay-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.ttt-overlay-btn {
  width: fit-content;
  justify-self: center;
}

.ttt-confetti {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  border-radius: 2px;
  animation-name: tttConfettiFall;
  animation-timing-function: ease-out;
  animation-fill-mode: forwards;
}

.ttt-emoji-rain {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  animation-name: tttEmojiFall;
  animation-timing-function: ease-in;
  animation-fill-mode: forwards;
  filter: drop-shadow(0 8px 10px rgba(2, 6, 23, 0.10));
}

@keyframes tttConfettiFall {
  0% {
    transform: translateY(-10vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(110vh) rotate(720deg);
    opacity: 0;
  }
}

@keyframes tttEmojiFall {
  0% {
    transform: translateY(-10vh);
  }
  100% {
    transform: translateY(110vh);
    opacity: 0;
  }
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  color: var(--accent-strong);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  margin-bottom: 1.4rem;
}

.hero-title {
  font-size: clamp(2.6rem, 4vw, 3.4rem);
  letter-spacing: -0.04em;
  line-height: 1.03;
  margin: 0 0 0.75rem;
}

.hero-spark {
  font-size: 1.4rem;
  margin-left: 0.3rem;
  vertical-align: middle;
  animation: float 3s ease-in-out infinite;
}

.hero-tagline {
  font-size: 1rem;
  color: var(--ink-soft);
  margin: 0 0 1.9rem;
  max-width: 32rem;
}

.micro {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 1.5rem;
}

.micro .dot {
  flex-shrink: 0;
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.38);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--border-subtle);
  color: var(--ink-soft);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--ink);
  background: #fff;
}

.btn-small {
  padding-inline: 1.1rem;
  font-size: 0.78rem;
}

.hero-card {
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 1.4rem 1.4rem 1.5rem;
}

.hero-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.hero-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-soft);
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  background: #f3f4ff;
  color: var(--accent-strong);
}

.hero-card-text {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.hero-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.28rem 0.8rem;
  font-size: 0.78rem;
  border: 1px dashed var(--border-subtle);
  background: #f9fafb;
}

.chip:hover {
  border-style: solid;
  border-color: var(--accent);
  background: #ffffff;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.2rem;
}

.kicker {
  font-size: 0.90rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: 1.6rem;
  letter-spacing: -0.03em;
  margin: 0;
}

.section-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 2.4rem;
  align-items: flex-start;
}

.prose {
  font-size: 0.98rem;
  color: var(--ink-soft);
}

.prose p {
  margin: 0 0 1.1rem;
}

.card {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.4rem 1.5rem 1.5rem;
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.06);
}

.card-title {
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.bullets {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bullets li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.bullets li + li {
  margin-top: 0.4rem;
}

.bullets li::before {
  content: "";
  position: absolute;
  left: 0.3rem;
  top: 0.7em;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
}

.resume-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
  gap: 2rem;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.role-title {
  font-size: 0.98rem;
  font-weight: 600;
}

.role-meta {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.role-top {
  margin-bottom: 0.4rem;
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.04), rgba(15, 23, 42, 0.16), rgba(15, 23, 42, 0.04));
  margin: 1.4rem 0;
}

.edu {
  font-size: 0.9rem;
}

.writing-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.project-card {
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.06);
  color: var(--ink);
  transition:
    background-color 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.project-card:hover {
  transform: translateY(-1px);
  border-color: rgba(23, 142, 189, 0.35);
  box-shadow: 0 16px 45px rgba(15, 23, 42, 0.10);
  background: #ffffff;
}

.project-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
}

.project-title {
  font-size: 0.98rem;
  font-weight: 600;
}

.project-note {
  font-size: 0.72rem;
  color: var(--ink-soft);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  padding: 0.16rem 0.55rem;
  flex: none;
}

.project-blurb {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.project-cta {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--accent-strong);
}

.writing-card {
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: #034050;
  position: relative;
  overflow: hidden;
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  color: #ffffff;
  transition:
    border-color 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.22s ease;
}

.writing-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-elevated);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 1.35s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
}

.writing-card > * {
  position: relative;
  z-index: 1;
}

.writing-card .writing-date,
.writing-card .writing-blurb,
.writing-card .writing-cta {
  transition: color 0.2s ease;
}

.writing-card:hover {
  box-shadow: 0 16px 45px rgba(15, 23, 42, 0.10);
  border-color: rgba(15, 23, 42, 0.12);
}

.writing-card:hover::before {
  transform: scaleY(1);
}

.writing-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
}

.writing-title {
  font-size: 0.98rem;
  font-weight: 600;
}

.writing-date {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.72);
}

.writing-blurb {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.75);
}

.writing-cta {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.9);
}

.writing-card:hover {
  color: var(--ink);
  transition-delay: 0.25s;
}

.writing-card:hover .writing-date,
.writing-card:hover .writing-blurb,
.writing-card:hover .writing-cta {
  transition-delay: 0.25s;
}

.writing-card:hover .writing-date {
  color: var(--ink-soft);
}

.writing-card:hover .writing-blurb {
  color: var(--ink-soft);
}

.writing-card:hover .writing-cta {
  color: var(--ink);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.social-card {
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #034050;
  position: relative;
  overflow: hidden;
  color: #ffffff;
  transition:
    border-color 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.social-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-elevated);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 1.35s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
}

.social-card > * {
  position: relative;
  z-index: 1;
}

.social-label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.social-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  flex: none;
  transition:
    background-color 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    color 1.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.inline-link {
  color: var(--accent-strong);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.social-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.18);
  border-color: rgba(15, 23, 42, 0.12);
}

.social-card:hover::before {
  transform: scaleY(1);
}

.social-card:hover {
  color: var(--ink);
  transition-delay: 0.25s;
}

.social-card:hover .social-icon {
  border-color: rgba(15, 23, 42, 0.18);
  background: rgba(3, 64, 80, 0.06);
  color: var(--ink);
  transition-delay: 0.25s;
}

.social-label {
  font-size: 0.9rem;
  font-weight: 500;
}

.social-handle {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.2s ease;
}

.social-card:hover .social-handle {
  color: var(--ink-soft);
  transition-delay: 0.25s;
}

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.8rem 0 2.2rem;
  background: rgba(255, 255, 255, 0.9);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-name {
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-note {
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.footer-link {
  font-size: 0.8rem;
  color: var(--accent-strong);
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@media (max-width: 800px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  /* Keep board compact; do not stretch to full column width */
  .ttt-card {
    max-width: 280px;
    width: min(100%, 280px);
    justify-self: start;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .two-col {
    grid-template-columns: minmax(0, 1fr);
  }

  .resume-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .writing-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .project-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .social-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.75rem 1.5rem 1rem;
    display: none;
    flex-direction: column;
    gap: 0.6rem;
  }

  .site-nav[data-open] {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}