:root {
  --bg: #0a0b10;
  --text: #e4e4e7;
  --text-muted: #9ca3af;
  --text-dim: #8b919c;
  --accent: #007aff;
  --accent-light: #3395ff;
  --accent-warm: #f59e0b;
  --accent-complement: #7dd3c0;
  --border: rgba(255, 255, 255, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  border-radius: 0.35rem;
  background: var(--text);
  color: var(--bg);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 0.15s ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Sticky navigation ─────────────────────────────────── */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 11, 16, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
  pointer-events: none;
}

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

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 3.25rem;
  display: flex;
  align-items: center;
}

.nav-row {
  width: 100%;
  align-self: center;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-brand {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}

.nav-brand:hover {
  opacity: 0.75;
}

.nav-brand:focus-visible,
.nav-link:focus-visible,
.scroll-hint:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.nav-links {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 0.3rem;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: var(--accent-light);
}

@media (prefers-reduced-motion: reduce) {
  .site-nav {
    transition: none;
  }

  .ambient-glow {
    animation: none;
  }
}

/* ── Ambient ────────────────────────────────────────────── */

.ambient {
  --ambient-orb-size: clamp(20rem, 58vmin, 42rem);
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse 120% 80% at 50% -10%, rgba(0, 122, 255, 0.045) 0%, transparent 55%),
    radial-gradient(ellipse 90% 60% at 50% 110%, rgba(0, 0, 0, 0.55) 0%, transparent 70%),
    var(--bg);
}

.ambient-glow {
  position: absolute;
  width: var(--ambient-orb-size);
  height: var(--ambient-orb-size);
  border-radius: 50%;
  will-change: transform;
}

.ambient-glow--blue {
  top: -22%;
  right: -16%;
  width: calc(var(--ambient-orb-size) * 1.2);
  height: calc(var(--ambient-orb-size) * 1.2);
  background: radial-gradient(circle, rgba(0, 122, 255, 0.13) 0%, rgba(0, 122, 255, 0.045) 38%, rgba(0, 122, 255, 0.02) 58%, transparent 78%);
  animation: ambient-drift-blue 28s ease-in-out infinite;
}

.ambient-glow--warm {
  bottom: 8%;
  left: -18%;
  width: calc(var(--ambient-orb-size) * 0.95);
  height: calc(var(--ambient-orb-size) * 0.95);
  background: radial-gradient(circle, rgba(245, 158, 11, 0.09) 0%, rgba(245, 158, 11, 0.03) 42%, transparent 78%);
  animation: ambient-drift-warm 34s ease-in-out infinite;
}

.ambient-glow--teal {
  top: 42%;
  left: 50%;
  width: calc(var(--ambient-orb-size) * 0.72);
  height: calc(var(--ambient-orb-size) * 0.72);
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(125, 211, 192, 0.04) 0%, rgba(125, 211, 192, 0.01) 48%, transparent 72%);
  animation: ambient-drift-teal 40s ease-in-out infinite;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  opacity: 0.55;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: clamp(1.25rem, 3.2vmin, 1.75rem) clamp(1.25rem, 3.2vmin, 1.75rem);
  mask-image: radial-gradient(ellipse 85% 75% at 50% 38%, black 15%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 50% 38%, black 15%, transparent 72%);
}

.ambient-noise {
  position: absolute;
  inset: 0;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: soft-light;
}

@keyframes ambient-drift-blue {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(-2.5%, 3%) scale(1.04);
  }
}

@keyframes ambient-drift-warm {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(3%, -2%) scale(1.03);
  }
}

@keyframes ambient-drift-teal {
  0%, 100% {
    transform: translate(-50%, 0) scale(1);
  }

  50% {
    transform: translate(-50%, -2.5%) scale(1.05);
  }
}

.hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 2rem;
}

.hero-inner {
  width: 100%;
  max-width: 52rem;
  margin: 0 auto;
  text-align: center;
}

.hero-name {
  font-size: clamp(1.25rem, 7.2vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0;
  display: inline-block;
  max-width: 100%;
}

.hero-terminal-box {
  --hero-terminal-pad-x: 1.35rem;
  --hero-terminal-pad-y: 0.9rem;
  display: inline-block;
  width: auto;
  max-width: 100%;
  overflow-x: visible;
  box-sizing: border-box;
  text-align: left;
  vertical-align: top;
  padding: 0.65rem var(--hero-terminal-pad-x) var(--hero-terminal-pad-y);
  background: rgba(6, 8, 14, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.6rem;
  box-shadow:
    0 18px 25px rgba(0, 0, 0, 0.55),
    0 2px 8px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-terminal-box.is-loaded {
  opacity: 1;
  transform: translateY(0);
}

.hero-terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-terminal-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}

.hero-terminal-dot:nth-child(1) {
  background: rgba(255, 95, 87, 0.75);
}

.hero-terminal-dot:nth-child(2) {
  background: rgba(255, 189, 46, 0.75);
}

.hero-terminal-dot:nth-child(3) {
  background: rgba(39, 201, 63, 0.75);
}

.hero-terminal-line {
  display: inline-block;
  position: relative;
  width: var(--terminal-line-width, max-content);
  max-width: 100%;
  overflow-x: visible;
  vertical-align: top;
}

/* Measured off-screen in JS — no in-flow overflow clip edge */
.hero-terminal-placeholder {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  visibility: hidden;
  pointer-events: none;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  flex-wrap: nowrap;
}

.hero-terminal-typing {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  justify-content: flex-start;
  flex-wrap: nowrap;
  white-space: nowrap;
  direction: ltr;
  width: 100%;
  overflow-x: visible;
  overflow-y: visible;
  box-sizing: border-box;
}

.hero-typewriter {
  display: inline;
  flex: 0 0 auto;
  text-align: left;
}

/* Caps-height strut before TECH types — no overflow clip (avoids mobile ghost bar) */
.hero-terminal-typing .name-tech:empty::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 1em;
  overflow: visible;
  vertical-align: baseline;
  font-size: 0.5em;
}

.hero-prompt {
  color: #fff;
  font-weight: 700;
  margin-right: 0.35em;
  flex-shrink: 0;
}

.hero-cursor {
  position: absolute;
  top: auto;
  bottom: var(--cursor-bottom, 0);
  left: var(--cursor-x, 0);
  display: block;
  width: 0.42em;
  height: 0.9em;
  margin: 0;
  background: var(--accent-warm);
  opacity: 0;
  transform-origin: bottom left;
  transform: scaleY(0.92);
  transition: opacity 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.hero-cursor.is-typing {
  opacity: 1;
}

.hero-cursor.is-initial-blinking {
  animation: terminalCursorBlink 0.8s step-end 2 forwards;
}

@keyframes terminalCursorBlink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.hero-tagline--delayed {
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity 0.85s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.85s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-tagline--delayed.is-visible {
  opacity: 1;
  transform: none;
}

.name-mark {
  color: #fff;
}

.name-campbell {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.name-dot {
  color: var(--text-dim);
  font-weight: 600;
}

.name-tech {
  font-size: 0.5em;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-warm);
  vertical-align: baseline;
  margin-left: 0.06em;
}

.hero-tagline {
  margin: 1.25rem auto 0;
  max-width: min(28rem, 100%);
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 500;
}

.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.scroll-hint-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

.scroll-hint-icon {
  width: 1.25rem;
  height: 1.25rem;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

main {
  position: relative;
  z-index: 1;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

.content-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
  scroll-margin-top: 3.25rem;
}

.content-section h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.content-section p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 1.25rem;
}

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

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 12rem) minmax(0, 1fr);
  gap: 2.75rem;
  align-items: start;
}

.about-photo {
  margin: 0;
}

.about-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 0 1px rgba(0, 122, 255, 0.15),
    0 20px 50px rgba(0, 0, 0, 0.45);
}

.about-layout > :not(.about-photo) p {
  max-width: none;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem 3rem;
}

.focus-group h3 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.focus-list {
  list-style: none;
}

.focus-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.focus-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
}

.contact-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.contact-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.contact-btn:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.contact-copy.is-copied {
  border-color: rgba(125, 211, 192, 0.45);
  background: rgba(125, 211, 192, 0.1);
  color: var(--text);
}

.contact-copy-text {
  display: grid;
  align-items: center;
}

.contact-copy-text > * {
  grid-area: 1 / 1;
}

.contact-copy-icon {
  display: grid;
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

.contact-copy-icon > svg {
  grid-area: 1 / 1;
}

.contact-copy-label {
  visibility: hidden;
  justify-self: center;
  font-size: clamp(0.9rem, 2.2vw, 1.05rem);
  font-weight: 700;
  color: var(--accent-complement);
}

.contact-copy.is-copied #contact-email {
  visibility: hidden;
}

.contact-copy.is-copied .contact-copy-label {
  visibility: visible;
}

.contact-btn-icon.contact-btn-icon-check {
  visibility: hidden;
  color: var(--accent-complement);
}

.contact-copy.is-copied .contact-btn-icon.contact-btn-icon-copy {
  visibility: hidden;
}

.contact-copy.is-copied .contact-btn-icon.contact-btn-icon-check {
  visibility: visible;
}

.contact-btn-icon {
  display: block;
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
  fill: currentColor;
  color: var(--text-dim);
  transition: color 0.2s ease;
}

.contact-btn-icon--copy {
  color: #9ca3af;
}

.contact-btn:hover .contact-btn-icon--copy {
  color: #c4cad4;
}

.contact-btn-icon--linkedin {
  color: #0a66c2;
}

.contact-btn:hover .contact-btn-icon--linkedin {
  color: #4d9fec;
}

.contact-btn-icon--github {
  color: #e6edf3;
}

.contact-btn:hover .contact-btn-icon--github {
  color: #fff;
}

.contact-btn-icon-img {
  fill: none;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.site-footer {
  position: relative;
  z-index: 1;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.footer-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.footer-easter-egg {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer-email {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  font-size: clamp(0.9rem, 2.2vw, 1.05rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.email-user {
  color: #fff;
}

.email-at,
.email-dot {
  color: var(--accent-complement);
  font-weight: 600;
}

.email-domain {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.email-tld {
  font-size: 0.62em;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-warm);
  vertical-align: baseline;
  margin-left: 0.02em;
}

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

  .scroll-hint-icon {
    animation: none;
  }

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

  .hero-cursor.is-initial-blinking {
    animation: none;
    opacity: 1;
  }

  .hero-terminal-box {
    transition: none;
    opacity: 1;
    transform: none;
  }

  .hero-tagline--delayed {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .ambient-glow {
    animation: none;
    will-change: auto;
  }
}

@media (max-width: 720px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-photo {
    max-width: 11rem;
    margin: 0 auto;
  }

  .focus-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-left: 0;
    padding-right: 0;
  }

  .hero-inner {
    --hero-box-gutter: clamp(0.25rem, 1.4vw, 2rem);
    padding-inline: var(--hero-box-gutter);
    box-sizing: border-box;
  }

  .hero-terminal-bar {
    margin-bottom: 0.65rem;
    padding-bottom: 0.5rem;
  }

  .name-tech {
    letter-spacing: 0.12em;
  }

  .nav-inner {
    padding: 0 1.25rem;
  }

  .nav-row {
    gap: 1rem;
  }

  .nav-link {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    padding: 0.35rem 0.5rem;
  }
}

@media (max-width: 480px) {
  .nav-inner {
    padding: 0 0.75rem;
  }

  .nav-row {
    gap: 0.5rem;
  }

  .nav-links {
    gap: 0.1rem;
    flex-shrink: 1;
    min-width: 0;
  }

  .nav-link {
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.4rem;
  }
}

@media (max-width: 425px) {
  .hero-terminal-box {
    border-radius: 0.45rem;
  }

  .hero-terminal-dot {
    width: 0.45rem;
    height: 0.45rem;
  }

  .name-tech {
    letter-spacing: 0.1em;
  }

  .nav-inner {
    padding: 0 0.5rem;
  }

  .nav-row {
    gap: 0.35rem;
  }

  .nav-link {
    font-size: 0.625rem;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.35rem;
  }
}

/* ── Error pages ─────────────────────────────────────────── */

.hero--error .hero-tagline {
  max-width: min(32rem, 100%);
}

.name-error {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.hero-error-link {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.hero-error-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.hero-error-link:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.site-footer--error {
  position: relative;
  z-index: 1;
  margin-top: -4rem;
  padding-top: 0;
  border-top: none;
}