:root {
  --bg: #111827;
  --bg-elevated: #16202f;
  --bg-soft: #1c2838;
  --surface: rgba(21, 31, 46, 0.94);
  --surface-strong: rgba(19, 28, 41, 0.98);
  --surface-alt: rgba(27, 39, 58, 0.94);
  --text: #e7edf5;
  --text-muted: #a5b3c5;
  --text-faint: #7f8da1;
  --line: rgba(148, 163, 184, 0.14);
  --text-primary: #e7edf5;
  --text-secondary: #a5b3c5;
  --border-color: rgba(148, 163, 184, 0.14);
  --bg-primary: #0f1724;
  --bg-secondary: rgba(19, 29, 44, 0.92);
  --accent: #3fa874;
  --accent-strong: #2d8a5d;
  --accent-soft: rgba(63, 168, 116, 0.12);
  --accent-warm: #74bf6b;
  --success: #74bf6b;
  --shadow: 0 10px 24px rgba(2, 6, 23, 0.14);
  --radius-xl: 20px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --content-width: 1180px;
  --safe-top: env(safe-area-inset-top, 0px);
  --nav-offset: 88px;
}

[data-theme="light"] {
  --bg: #f7f7f5;
  --bg-elevated: #fbfbfa;
  --bg-soft: #f1f2ef;
  --surface: rgba(255, 255, 255, 0.98);
  --surface-strong: rgba(255, 255, 255, 0.99);
  --surface-alt: rgba(248, 248, 246, 0.98);
  --text: #162033;
  --text-muted: #5d6a7d;
  --text-faint: #7b8798;
  --line: rgba(22, 32, 51, 0.08);
  --text-primary: #162033;
  --text-secondary: #5d6a7d;
  --border-color: rgba(22, 32, 51, 0.08);
  --bg-primary: #f7f7f5;
  --bg-secondary: rgba(255, 255, 255, 0.98);
  --accent: #2f8f68;
  --accent-strong: #227250;
  --accent-soft: rgba(47, 143, 104, 0.1);
  --accent-warm: #5da154;
  --success: #2f8f68;
  --shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  padding-top: calc(var(--nav-offset) + var(--safe-top));
  font-family: "Inter", "Segoe UI", sans-serif;
  background:
    linear-gradient(180deg, var(--bg-elevated), var(--bg));
  color: var(--text);
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

a {
  color: inherit;
}

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

.site-shell {
  width: min(var(--content-width), calc(100% - 2rem));
  margin: 0 auto;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: calc(1rem + var(--safe-top)) 0 1rem;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  border-bottom: 1px solid var(--line);
}

.site-nav__inner {
  width: min(var(--content-width), calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.site-brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
}

.site-brand__title {
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav__menu::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 10%, var(--line));
  outline: none;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 16%, var(--line));
  outline: none;
}

.theme-toggle--footer {
  display: none;
}

.site-main {
  padding-bottom: 5rem;
}

.hero {
  padding: 2.2rem 0 1rem;
}

.hero-copy > * {
  opacity: 0;
  transform: translateY(14px);
  animation: rise-in 0.7s ease forwards;
}

.hero-copy .eyebrow {
  animation-delay: 0.05s;
}

.hero-copy .display {
  animation-delay: 0.14s;
}

.hero-copy .lead {
  animation-delay: 0.24s;
}

.hero-copy .hero-actions {
  animation-delay: 0.34s;
}

.hero-copy .metrics {
  animation-delay: 0.44s;
}

.hero__layout,
.split-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 1.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 55%, transparent);
}

.display {
  margin: 0;
  font-family: "Inter", "Segoe UI", sans-serif;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.display .accent {
  color: var(--accent);
}

.headline-animated {
  display: flex;
  flex-wrap: wrap;
  gap: 0.18em;
}

.headline-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(18px);
  animation: word-lift 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.headline-word:nth-child(1) {
  animation-delay: 0.12s;
}

.headline-word:nth-child(2) {
  animation-delay: 0.24s;
}

.headline-word:nth-child(3) {
  animation-delay: 0.36s;
}

.lead {
  max-width: 64ch;
  margin: 1.35rem 0 0;
  color: var(--text-muted);
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.6rem;
}

.button,
.button-ghost,
.button-soft {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 42px;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #f8fbff;
}

.button-ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.button-soft {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: transparent;
}

[data-theme="light"] .button {
  color: #ffffff;
}

.button:hover,
.button-ghost:hover,
.button-soft:hover,
.button:focus-visible,
.button-ghost:focus-visible,
.button-soft:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button:hover {
  box-shadow: 0 8px 16px rgba(47, 143, 131, 0.16);
}

.is-disabled {
  opacity: 0.55;
  pointer-events: none;
}

.hero-card,
.panel,
.card,
.library-card,
.writing-card,
.stat-card,
.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1rem;
}

.portrait {
  aspect-ratio: 1 / 1.06;
  width: 100%;
  border-radius: calc(var(--radius-xl) - 8px);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(125, 211, 252, 0.1), rgba(246, 193, 119, 0.08));
  border: 1px solid var(--line);
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.1) contrast(1.02);
}

.hero-notes,
.metrics,
.chip-row,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.metric,
.chip,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.metric strong {
  color: var(--text);
}

.section {
  padding: 1rem 0 0;
}

.section-soft {
  position: relative;
}

.section-soft::before {
  content: "";
  position: absolute;
  inset: 0.2rem 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--line) 82%, transparent);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.section-head h2,
.section-head h1 {
  margin: 0;
  font-family: "Inter", "Segoe UI", sans-serif;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.15;
  font-weight: 700;
}

.section-head p {
  margin: 0.5rem 0 0;
  max-width: 56ch;
  color: var(--text-muted);
}

.section-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
}

.section-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.section-link:hover,
.section-link:focus-visible {
  text-decoration: underline;
  outline: none;
}

.grid-two,
.grid-three,
.grid-four {
  display: grid;
  gap: 0.85rem;
}

.grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.library-card,
.writing-card,
.stat-card,
.info-card,
.panel {
  padding: 1rem;
}

.card,
.library-card,
.writing-card {
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.card:hover,
.library-card:hover,
.writing-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 14%, var(--line));
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
}

.card h3,
.library-card h3,
.writing-card h3,
.stat-card h3,
.info-card h3 {
  margin: 0.2rem 0 0.55rem;
  font-size: 1.02rem;
}

.card p,
.library-card p,
.writing-card p,
.stat-card p,
.info-card p {
  margin: 0;
  color: var(--text-muted);
}

.card-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.icon-box {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.95rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--text-faint);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.status.is-live {
  color: var(--success);
}

.status.is-r-and-d {
  color: var(--accent-warm);
}

.status.is-planning {
  color: color-mix(in srgb, var(--accent) 78%, #ffffff 22%);
}

.card-media {
  margin-bottom: 1rem;
  overflow: hidden;
  border-radius: 14px;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.14), rgba(246, 193, 119, 0.08));
  border: 1px solid var(--line);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-media.is-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 2rem;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.75rem 0 0.9rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-faint);
  border: 1px solid var(--line);
  font-size: 0.72rem;
  font-weight: 600;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.card-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 800;
}

.card-link.is-muted {
  color: var(--text-faint);
  pointer-events: none;
}

.card-link:hover,
.card-link:focus-visible {
  text-decoration: underline;
  outline: none;
}

.library-card {
  display: grid;
  gap: 0.95rem;
}

.library-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.library-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.writing-card {
  display: grid;
  gap: 1rem;
}

.writing-card__excerpt {
  padding-left: 1rem;
  border-left: 2px solid color-mix(in srgb, var(--accent) 60%, transparent);
  color: var(--text-muted);
}

.page-intro {
  padding: 1.6rem 0 0.5rem;
}

.page-intro .section-head {
  margin-bottom: 0.5rem;
}

.intro-slab {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 1rem;
  padding: 1rem;
}

.list {
  display: grid;
  gap: 0.7rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.list li {
  padding: 0.72rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.footer {
  padding: 1.4rem 0 2rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.footer__nav,
.footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.footer__nav a,
.footer__social a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 700;
}

.footer__nav a:hover,
.footer__social a:hover,
.footer__nav a:focus-visible,
.footer__social a:focus-visible {
  color: var(--text);
  outline: none;
}

.muted {
  color: var(--text-muted);
}

.faint {
  color: var(--text-faint);
}

.divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--line);
}

.empty-state {
  padding: 1.4rem;
  text-align: center;
}

.projects-mobile-note {
  display: none;
}

.projects-carousel {
  display: grid;
  gap: 0.9rem;
}

.projects-head-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.projects-head-hint {
  color: var(--text-faint);
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
}

.carousel-viewport {
  overflow: hidden;
}

.carousel-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 2rem) / 3);
  gap: 1rem;
  transition: transform 0.35s ease;
  will-change: transform;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.carousel-buttons {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.carousel-btn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.carousel-btn:hover,
.carousel-btn:focus-visible {
  transform: translateY(-1px);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 14%, var(--line));
  outline: none;
}

.carousel-btn:disabled {
  opacity: 0.4;
  cursor: default;
  transform: none;
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  justify-content: center;
  flex: 1;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: color-mix(in srgb, var(--text-faint) 45%, transparent);
  cursor: pointer;
  transition: width 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.dot.active {
  width: 24px;
  background: var(--accent);
}

.dot:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  outline-offset: 2px;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes word-lift {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  :root {
    --nav-offset: 122px;
  }

  .hero__layout,
  .split-hero,
  .intro-slab,
  .grid-four,
  .grid-three,
  .grid-two {
    grid-template-columns: 1fr;
  }

  .site-nav__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
  }

  .site-nav__menu {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 0.2rem;
    -webkit-overflow-scrolling: touch;
  }

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

  .projects-head-actions {
    align-self: stretch;
    justify-content: space-between;
    width: 100%;
  }

  .carousel-track {
    grid-auto-columns: calc((100% - 1rem) / 2);
  }
}

@media (max-width: 640px) {
  :root {
    --nav-offset: 82px;
  }

  .site-shell,
  .site-nav__inner {
    width: min(var(--content-width), calc(100% - 1.2rem));
  }

  .site-nav {
    padding: calc(0.72rem + var(--safe-top)) 0 0.6rem;
  }

  .site-nav__inner {
    align-items: center;
    flex-direction: row;
    gap: 0.55rem;
  }

  .site-brand__mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .site-brand {
    flex: 0 0 auto;
    gap: 0;
  }

  .site-brand__text {
    display: none;
  }

  .site-nav__menu {
    flex: 1 1 auto;
    justify-content: space-between;
    gap: 0.12rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .nav-link {
    min-height: 30px;
    padding: 0.2rem 0.08rem;
    border-radius: 0;
    border-bottom: 2px solid transparent;
    font-size: 0.71rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    white-space: nowrap;
  }

  .nav-link:hover,
  .nav-link:focus-visible,
  .nav-link.is-active {
    background: transparent;
    border-color: transparent;
    border-bottom-color: color-mix(in srgb, var(--accent) 72%, transparent);
  }

  .site-nav .theme-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    margin-left: 0.08rem;
  }

  .theme-toggle--footer {
    display: none;
  }

  .display {
    font-size: clamp(2rem, 9.8vw, 2.9rem);
    line-height: 1.02;
    max-width: none;
  }

  .hero {
    padding-top: 0.45rem;
  }

  .headline-animated {
    gap: 0.12em;
  }

  .eyebrow {
    margin-bottom: 0.55rem;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
  }

  .lead {
    margin-top: 0.8rem;
    max-width: 34ch;
    font-size: 0.98rem;
    line-height: 1.58;
  }

  .hero-actions,
  .button-row {
    gap: 0.7rem;
    margin-top: 1rem;
  }

  .button,
  .button-ghost,
  .button-soft {
    width: 100%;
    justify-content: center;
  }

  .metrics,
  .chip-row,
  .tag-row,
  .hero-notes {
    gap: 0.42rem;
  }

  .metric,
  .chip,
  .tag {
    padding: 0.34rem 0.6rem;
    font-size: 0.82rem;
    line-height: 1.28;
  }

  .section-head h2,
  .section-head h1 {
    line-height: 1.2;
  }

  .carousel-track {
    grid-auto-columns: 88%;
    gap: 0.85rem;
  }

  .projects-mobile-note {
    display: block;
    margin: 0.4rem 0 0.8rem;
    color: var(--text-faint);
    font-size: 0.78rem;
  }

  .carousel-controls {
    gap: 0.75rem;
    align-items: center;
  }

  .card,
  .library-card,
  .writing-card,
  .panel,
  .stat-card,
  .info-card,
  .hero-card {
    padding: 0.9rem;
  }

  .hero-card {
    padding: 0.8rem;
  }

  .portrait {
    aspect-ratio: 1 / 0.72;
  }

  .hero-notes {
    margin-top: 0.7rem !important;
  }

  .card-top,
  .library-card__header,
  .section-links,
  .footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .projects-head-actions {
    gap: 0.65rem;
  }
}