:root {
  color-scheme: dark;
  --bg: #161514;
  --bg-elevated: #1e1c1a;
  --bg-alt: #201d19;
  --bg-soft: #28231e;
  --text: #f5f2eb;
  --text-soft: #d4cdc1;
  --text-muted: #9b9388;
  --line: rgba(255, 245, 230, 0.12);
  --accent: #ff6a00;
  --accent-soft: rgba(255, 106, 0, 0.16);
  --accent-strong: #ff8a33;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
  --card-shadow: 0 24px 50px rgba(0, 0, 0, 0.26);
  --radius-sm: 1rem;
  --radius-md: 1.5rem;
  --radius-lg: 2rem;
  --max-width: 1220px;
  --reading-width: 720px;
  --reading-wide: 860px;
  --header-height: 5.5rem;
  --transition: 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f2eb;
  --bg-elevated: #fcf8f2;
  --bg-alt: #efe6db;
  --bg-soft: #e4d6c6;
  --text: #181615;
  --text-soft: #37312b;
  --text-muted: #6f655c;
  --line: rgba(24, 22, 21, 0.12);
  --accent-soft: rgba(255, 106, 0, 0.12);
  --shadow: 0 18px 48px rgba(71, 49, 28, 0.12);
  --card-shadow: 0 22px 42px rgba(71, 49, 28, 0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 12%, rgba(255, 106, 0, 0.12), transparent 24%),
    radial-gradient(circle at 88% 14%, rgba(255, 255, 255, 0.05), transparent 22%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  color: var(--text);
  font-family: "Instrument Sans", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

body::selection,
body *::selection {
  background: rgba(255, 106, 0, 0.24);
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

button,
summary {
  font: inherit;
}

button {
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 50;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.page-orb {
  position: fixed;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.14;
  pointer-events: none;
  z-index: 0;
}

.page-orb-left {
  left: -8rem;
  top: 10rem;
  background: rgba(255, 106, 0, 0.45);
}

.page-orb-right {
  right: -8rem;
  top: 35rem;
  background: rgba(255, 255, 255, 0.15);
}

.cursor-ring,
.cursor-dot {
  position: fixed;
  left: 0;
  top: 0;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
  z-index: 30;
  transition: width var(--transition), height var(--transition), opacity var(--transition), background-color var(--transition), border-color var(--transition);
}

.cursor-ring {
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid rgba(255, 106, 0, 0.55);
  border-radius: 50%;
  backdrop-filter: blur(2px);
}

.cursor-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
}

body.has-fine-pointer,
body.has-fine-pointer a,
body.has-fine-pointer button,
body.has-fine-pointer summary {
  cursor: none;
}

body.cursor-active .cursor-ring,
body.cursor-active .cursor-dot {
  opacity: 1;
}

body.cursor-link .cursor-ring {
  width: 3.6rem;
  height: 3.6rem;
  border-color: rgba(255, 106, 0, 0.8);
  background: rgba(255, 106, 0, 0.12);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 1rem 1rem 0;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  min-height: 3rem;
  border-radius: 999px;
  background: var(--accent-soft);
}

.brand-mark__mono,
.eyebrow,
.section-kicker,
.project-card__category,
.project-card__live,
.availability-note,
.theme-toggle,
.principle__hint,
.browser-frame,
.site-footer {
  font-family: "IBM Plex Mono", monospace;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.nav-toggle span {
  width: 1rem;
  height: 1px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-links {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 1rem;
  right: 1rem;
  display: grid;
  gap: 0.5rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.5rem);
  transition: opacity var(--transition), transform var(--transition);
}

.site-nav.is-open .nav-links {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-links a,
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3rem;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  color: var(--text-soft);
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

.nav-links a::after {
  content: "";
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible,
.nav-links a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a.is-active::after {
  width: 1.4rem;
}

.theme-toggle {
  width: 100%;
  border: 1px solid var(--line);
}

.theme-toggle__sun {
  opacity: 0.45;
}

:root[data-theme="light"] .theme-toggle__sun,
:root[data-theme="dark"] .theme-toggle__moon {
  opacity: 1;
  color: var(--accent);
}

:root[data-theme="light"] .theme-toggle__moon,
:root[data-theme="dark"] .theme-toggle__sun {
  opacity: 0.45;
}

.section-shell {
  position: relative;
  z-index: 1;
  padding: clamp(5rem, 8vw, 8rem) 1.25rem;
}

.section-shell[id] {
  scroll-margin-top: calc(var(--header-height) + 2rem);
}

.section-shell--hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 3rem);
}

.section-shell--about {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02) 18%, transparent 100%);
}

.section-shell--philosophy {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), transparent 18%, rgba(255, 106, 0, 0.04) 100%);
}

.section-shell--work {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 12%, rgba(255, 106, 0, 0.05) 100%);
}

.section-shell--contact {
  background: linear-gradient(180deg, rgba(255, 106, 0, 0.06), transparent 35%);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.reading-width {
  max-width: var(--reading-width);
}

.reading-width--wide {
  max-width: var(--reading-wide);
}

.eyebrow,
.section-kicker,
.project-card__meta,
.availability-note {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.74rem;
}

.eyebrow,
.section-kicker {
  color: var(--accent-strong);
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-heading h2 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2.25rem, 6vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero__inner {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}

.hero__headline {
  display: grid;
  gap: 0.6rem;
}

.hero__lede,
.hero__tagline {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-soft);
}

.hero__tagline {
  padding-left: clamp(2rem, 10vw, 8rem);
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.6rem, 12vw, 8rem);
  line-height: 0.88;
  letter-spacing: -0.07em;
  max-width: 7ch;
}

.hero__support {
  display: grid;
  gap: 1.5rem;
  max-width: 34rem;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
}

.hero__actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.button,
.inline-button,
.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
}

.button:hover,
.button:focus-visible,
.inline-button:hover,
.inline-button:focus-visible,
.filter-chip:hover,
.filter-chip:focus-visible {
  transform: translateY(-2px);
}

.button--primary {
  background: var(--accent);
  color: #1a120d;
  box-shadow: 0 18px 30px rgba(255, 106, 0, 0.2);
}

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

.story-flow {
  display: grid;
  gap: 1.5rem;
  color: var(--text-soft);
  font-size: clamp(1.02rem, 1.5vw, 1.15rem);
}

.philosophy-grid {
  display: grid;
  gap: 2rem;
}

.philosophy-intro,
.principle,
.project-card,
.external-dialog__panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
  box-shadow: var(--card-shadow);
}

.philosophy-intro {
  padding: 1.5rem;
  color: var(--text-soft);
}

.principles {
  display: grid;
  gap: 1rem;
}

.principle {
  overflow: hidden;
}

.principle[open] {
  border-color: rgba(255, 106, 0, 0.4);
}

.principle summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem 1.5rem;
  list-style: none;
}

.principle summary::-webkit-details-marker {
  display: none;
}

.principle__title {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.15;
}

.principle__hint {
  flex-shrink: 0;
  color: var(--text-muted);
  font-size: 0.68rem;
}

.principle__body {
  display: grid;
  gap: 1rem;
  padding: 0 1.5rem 1.4rem;
  color: var(--text-soft);
}

.principle__example {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--text);
}

.framework-list {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.filter-chip.is-active {
  border-color: rgba(255, 106, 0, 0.42);
  background: var(--accent-soft);
  color: var(--text);
}

.work-grid {
  display: grid;
  gap: 1.4rem;
}

.project-card {
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), opacity var(--transition);
}

.project-card:hover,
.project-card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 0, 0.35);
  box-shadow: 0 26px 50px rgba(255, 106, 0, 0.14);
}

.project-card.is-hidden {
  display: none;
}

.project-card__link {
  display: grid;
  height: 100%;
}

.project-card__media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 106, 0, 0.18), rgba(255, 255, 255, 0.06));
}

.browser-frame {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
  display: flex;
  gap: 0.35rem;
  padding: 0.85rem 1rem;
  color: rgba(255, 255, 255, 0.48);
  background: linear-gradient(180deg, rgba(22, 21, 20, 0.9), rgba(22, 21, 20, 0.4));
}

.browser-frame span {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: currentColor;
}

.project-card__media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card:hover .project-card__media img,
.project-card:focus-within .project-card__media img {
  transform: scale(1.04);
}

.project-card__content {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
}

.project-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
}

.project-card h3 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.05;
}

.project-card__problem,
.project-card__solution,
.tech-stack p,
.contact-copy p,
.social-links span,
.site-footer p,
.email-panel {
  color: var(--text-soft);
}

.tech-stack {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.tech-stack summary {
  color: var(--accent-strong);
}

.contact-layout {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.availability-note {
  margin-top: 1rem;
  color: var(--accent-strong);
}

.email-panel {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
}

.email-panel[hidden] {
  display: none;
}

.copy-feedback {
  min-width: 4rem;
  color: var(--accent-strong);
  font-size: 0.9rem;
}

.social-links {
  display: grid;
  gap: 0.8rem;
}

.social-links a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
}

.social-links a span {
  text-align: right;
}

.site-footer {
  padding: 0 1.25rem 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  max-width: var(--max-width);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.external-dialog {
  width: min(92vw, 28rem);
  padding: 0;
  border: 0;
  background: transparent;
}

.external-dialog::backdrop {
  background: rgba(4, 4, 4, 0.55);
  backdrop-filter: blur(8px);
}

.external-dialog__panel {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
}

.external-dialog menu {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 641px) {
  .site-header {
    padding-inline: 1.5rem;
  }

  .section-shell {
    padding-inline: 1.5rem;
  }

  .site-nav {
    padding-inline: 1.2rem;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem);
    align-items: end;
  }

  .hero__headline {
    grid-column: 1 / -1;
    max-width: 62rem;
  }

  .hero__support {
    grid-column: 2;
    justify-self: end;
    margin-top: -2rem;
  }

  .philosophy-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .work-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 2rem 3rem;
  }

  .contact-copy {
    max-width: 34rem;
  }

  .social-links {
    grid-column: 2;
    align-self: end;
  }
}

@media (min-width: 1025px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .theme-toggle {
    width: auto;
    min-width: 9rem;
  }

  .section-shell {
    padding-top: clamp(6rem, 8vw, 9rem);
    padding-bottom: clamp(6rem, 8vw, 9rem);
  }

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

  .project-card:nth-child(4) {
    transform: translateY(2rem);
  }
}

@media (max-width: 1024px) {
  .site-nav.is-open .nav-toggle span:first-child {
    transform: translateY(0.23rem) rotate(45deg);
  }

  .site-nav.is-open .nav-toggle span:last-child {
    transform: translateY(-0.23rem) rotate(-45deg);
  }

  .site-nav.is-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .cursor-ring,
  .cursor-dot,
  .page-orb {
    display: none;
  }
}