@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #ffffff;
  --text: #111111;
  --text-muted: #666666;
  --accent: #004BE5;
  --accent-rgb: 0, 75, 229;
  --surface: #f9f9f9;
  --border: #e5e5e5;
  --surface-strong: #f1f3f6;
  --mono: 'Fira Code', 'SFMono-Regular', Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: min(1200px, calc(100% - 48px));
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body:has(dialog[open]) {
  overflow: hidden;
}

::selection {
  color: var(--bg);
  background: var(--accent);
}

:focus-visible {
  outline: 3px solid rgba(var(--accent-rgb), 0.38);
  outline-offset: 4px;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

button {
  font: inherit;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  color: var(--bg);
  background: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  transform: translateY(-150%);
  transition: transform 180ms var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

#scroll-sentinel {
  position: absolute;
  top: 50px;
  left: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(229, 229, 229, 0.76);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: padding 360ms var(--ease), background-color 360ms var(--ease), border-color 360ms var(--ease);
  padding: 25px 0;
}

.site-header.shrunk {
  padding: 15px 0;
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.94);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  color: var(--text);
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.08em;
  transition: color 180ms ease;
}

.brand span {
  color: var(--accent);
  padding-left: 2px;
}

.brand:hover {
  color: var(--accent);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  transition: font-size 360ms var(--ease);
}

.site-header.shrunk .nav-list {
  font-size: 0.7rem;
}

.nav-list a.nav-button {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  padding: 8px 13px;
  color: var(--text-muted);
  background: var(--bg);
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms var(--ease);
}

.nav-list a.nav-button:hover,
.nav-list a.nav-button:focus-visible {
  border-color: var(--accent);
  color: var(--bg);
  background: var(--accent);
  transform: translateY(-1px);
}

.nav-list a.nav-button:active {
  transform: translateY(1px) scale(0.98);
}

.menu-toggle {
  display: none;
  border: 0;
  padding: 8px 0;
  color: var(--text);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.73rem;
}

.menu-icon {
  display: inline-flex;
  width: 20px;
  margin-left: 8px;
  flex-direction: column;
  gap: 4px;
  vertical-align: middle;
}

.menu-icon i {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}

.hero-section {
  min-height: calc(100svh - 88px);
  display: flex;
  align-items: center;
  padding: 76px 0 92px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  align-items: center;
  gap: clamp(54px, 10vw, 150px);
}

.eyebrow,
.section-index,
.block-label,
.carousel-status,
.signal-topline,
.signal-footer,
.terminal-bar,
.terminal-kicker,
.terminal-meta,
.matrix-trigger,
.dialog-topline {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.eyebrow,
.section-index {
  margin: 0 0 24px;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 600;
}

.hero-copy h1 {
  max-width: 850px;
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(3.2rem, 8.5vw, 8.2rem);
  font-weight: 600;
  letter-spacing: -0.095em;
  line-height: 0.98;
}

.cursor {
  display: inline-block;
  margin-left: 0.12em;
  color: var(--accent);
  font-weight: 400;
  animation: cursor-blink 1.05s steps(2, start) infinite;
}

.hero-intro {
  max-width: 470px;
  margin: 32px 0 26px;
  color: var(--text-muted);
  font-size: clamp(1.05rem, 1.65vw, 1.3rem);
  line-height: 1.5;
}

.status-list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.73rem;
  list-style: none;
}

.status-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.status-prefix {
  color: var(--accent);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 42px;
}

.button,
.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 50px;
  padding: 13px 18px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1;
  white-space: nowrap;
  transition: color 220ms var(--ease), background-color 220ms var(--ease), border-color 220ms var(--ease), transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.button:active,
.contact-button:active,
.carousel-button:active,
.matrix-trigger:active {
  transform: translateY(1px) scale(0.98);
}

.button-primary {
  color: var(--bg);
  background: var(--accent);
}

.button-primary:hover {
  background: #003bb5;
  box-shadow: 0 8px 22px rgba(var(--accent-rgb), 0.2);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.73rem;
  transition: color 180ms ease, gap 180ms var(--ease);
}

.text-link:hover {
  gap: 13px;
  color: var(--accent);
}

.signal-panel {
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  background: var(--surface);
  box-shadow: 18px 18px 0 var(--surface-strong);
  font-family: var(--mono);
  font-size: 0.73rem;
}

.signal-topline,
.signal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  color: var(--text-muted);
  font-size: 0.6rem;
}

.signal-topline {
  border-bottom: 1px solid var(--border);
}

.signal-body {
  display: grid;
  gap: 13px;
  padding: 28px 16px 32px;
  color: var(--text);
}

.signal-body p {
  margin: 0;
}

.code-muted {
  display: inline-block;
  width: 28px;
  color: #9aa1ab;
}

.signal-footer {
  justify-content: flex-start;
  gap: 9px;
  border-top: 1px solid var(--border);
  color: var(--accent);
}

.signal-bar {
  width: 7px;
  height: 7px;
  background: var(--accent);
}

.section {
  padding: 120px 0;
}

.section-frame {
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

.section-heading h2,
.portfolio-heading h2,
.contact-inner h2,
.dialog-content h2 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 4.7rem);
  font-weight: 600;
  letter-spacing: -0.07em;
  line-height: 1.03;
}

.section-heading .section-index,
.portfolio-heading .section-index,
.contact-inner .section-index {
  margin-bottom: 20px;
}

.about-grid {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) minmax(280px, 0.86fr);
  gap: clamp(22px, 5vw, 80px);
  margin-top: 84px;
}

.line-numbers {
  display: flex;
  min-height: 265px;
  flex-direction: column;
  justify-content: space-between;
  padding: 3px 0 5px;
  color: #a5abb3;
  font-family: var(--mono);
  font-size: 0.65rem;
}

.about-copy {
  max-width: 510px;
  color: var(--text-muted);
}

.about-copy p {
  margin: 0 0 24px;
}

.about-copy .lead-copy {
  color: var(--text);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.4;
}

.skills-block {
  border-left: 1px solid var(--border);
  padding-left: clamp(20px, 3vw, 36px);
}

.block-label {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 600;
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.skills-list li {
  display: grid;
  gap: 3px;
  min-height: 75px;
  align-content: start;
  border-top: 1px solid var(--border);
  padding: 14px 0 10px;
}

.skills-list strong {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
}

.skills-list span {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.portfolio-section {
  background: var(--surface);
}

.portfolio-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.section-note {
  max-width: 285px;
  margin: 0 0 6px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.carousel-shell {
  margin-top: 66px;
  border: 1px solid var(--border);
  background: var(--bg);
}

.carousel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  border-bottom: 1px solid var(--border);
  padding: 0 18px;
}

.carousel-status {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.61rem;
}

.carousel-controls {
  display: flex;
  gap: 8px;
}

.carousel-button {
  display: inline-grid;
  width: 38px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--bg);
  cursor: pointer;
  font-family: var(--mono);
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.carousel-button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.05);
}

.carousel-viewport {
  overflow: hidden;
}

.carousel-track {
  display: flex;
  width: 100%;
  transform: translateX(-100%);
}

.carousel-slide {
  flex: 0 0 100%;
  padding: clamp(22px, 5vw, 64px);
}

.terminal-card {
  overflow: hidden;
  min-height: 365px;
  border: 1px solid #cfd4dc;
  border-radius: 4px;
  background: var(--surface);
}

.terminal-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 46px;
  border-bottom: 1px solid #cfd4dc;
  padding: 0 16px;
  color: var(--text-muted);
  font-size: 0.59rem;
}

.terminal-bar > span:nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots i {
  display: block;
  width: 6px;
  height: 6px;
  border: 1px solid #b2b8c0;
  border-radius: 50%;
}

.terminal-content {
  display: flex;
  min-height: 319px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(28px, 7vw, 92px);
  background: linear-gradient(120deg, rgba(var(--accent-rgb), 0.05), transparent 48%);
}

.terminal-kicker {
  margin: 0 0 19px;
  color: var(--accent);
  font-size: 0.62rem;
}

.terminal-content h3 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.7rem);
  font-weight: 600;
  letter-spacing: -0.08em;
  line-height: 1;
}

.terminal-content > p:not(.terminal-kicker) {
  max-width: 480px;
  margin: 22px 0 0;
  color: var(--text-muted);
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
}

.terminal-meta {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-top: 60px;
  padding-top: 15px;
  border-top: 1px solid #cfd4dc;
  color: var(--text-muted);
  font-size: 0.6rem;
}

.contact-section {
  padding: 170px 0 190px;
}

.contact-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact-inner h2 {
  max-width: 760px;
}

.contact-inner > p:not(.section-index) {
  max-width: 470px;
  margin: 24px 0 34px;
  color: var(--text-muted);
}

.contact-button {
  min-height: 66px;
  padding: 18px 25px;
  color: var(--bg);
  background: var(--accent);
  font-size: clamp(0.75rem, 1.4vw, 0.9rem);
}

.contact-button:hover {
  background: #003bb5;
  box-shadow: 0 16px 32px rgba(var(--accent-rgb), 0.22);
  transform: translateY(-3px);
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 24px;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.footer-credit {
  display: flex;
  align-items: center;
  gap: 0;
}

.footer-inner p {
  margin: 0;
}

.footer-signature {
  display: block;
  width: min(180px, 34vw);
  max-height: 42px;
  object-fit: contain;
  object-position: center;
}

.footer-inner a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: #bfc5cc;
  text-underline-offset: 4px;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.footer-inner a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.matrix-trigger {
  position: fixed;
  z-index: 8;
  right: 22px;
  bottom: 22px;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border: 1px solid var(--border);
  padding: 7px 10px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 6px 22px rgba(17, 17, 17, 0.07);
  cursor: pointer;
  font-size: 0.61rem;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.matrix-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg);
}

.matrix-trigger-label {
  padding: 0 5px;
  color: var(--accent);
}

.privacy-dialog {
  width: min(520px, calc(100% - 32px));
  margin: auto;
  border: 1px solid #cfd4dc;
  border-top: 2px solid var(--accent);
  padding: 0;
  color: var(--text);
  background: var(--bg);
  box-shadow: 16px 16px 0 rgba(var(--accent-rgb), 0.08), 0 24px 80px rgba(17, 17, 17, 0.2);
}

.privacy-dialog::backdrop {
  background: rgba(17, 17, 17, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.dialog-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding: 13px 16px;
  color: var(--text-muted);
  font-size: 0.6rem;
}

.dialog-content {
  padding: 32px;
}

.dialog-content .section-index {
  margin-bottom: 16px;
}

.dialog-content h2 {
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.dialog-content p:not(.section-index) {
  margin: 24px 0 30px;
  color: var(--text-muted);
}

.matrix-overlay {
  position: fixed;
  z-index: 30;
  inset: 0;
  overflow: hidden;
  display: flex;
  justify-content: space-around;
  background: rgba(2, 7, 18, 0.94);
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms ease;
}

.matrix-overlay.is-active {
  opacity: 1;
}

.matrix-column {
  position: relative;
  top: -115%;
  flex: 0 0 1.1em;
  color: rgba(109, 164, 255, 0.82);
  font-family: var(--mono);
  font-size: clamp(0.55rem, 1.15vw, 0.9rem);
  line-height: 1.35;
  text-align: center;
  white-space: pre;
  text-shadow: 0 0 8px rgba(0, 75, 229, 0.56);
  animation: matrix-fall 1.5s linear forwards;
  animation-delay: var(--delay);
}

.matrix-column::first-letter {
  color: #d9e6ff;
}

.reveal,
.reveal-up {
  opacity: 0;
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal {
  transform: none;
}

.reveal-up {
  transform: translateY(20px);
}

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

@keyframes cursor-blink {
  0%,
  46% { opacity: 1; }
  47%,
  100% { opacity: 0; }
}

@keyframes matrix-fall {
  from { transform: translateY(0); }
  to { transform: translateY(220vh); }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header,
  .site-header.shrunk,
  .matrix-trigger {
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .privacy-dialog::backdrop {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (max-width: 900px) {
  .hero-section {
    min-height: auto;
    padding: 96px 0 110px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.7fr);
    gap: 48px;
  }

  .hero-copy h1 {
    font-size: clamp(3rem, 9vw, 5.8rem);
  }

  .about-grid {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .skills-block {
    grid-column: 2;
  }

  .portfolio-heading {
    align-items: start;
    flex-direction: column;
    gap: 20px;
  }

  .section-note {
    max-width: 420px;
    margin: 0;
  }
}

@media (max-width: 700px) {
  :root {
    --container: min(100% - 32px, 1200px);
  }

  .site-header {
    padding: 19px 0;
  }

  .site-header.shrunk {
    padding: 13px 0;
  }

  .menu-toggle {
    display: block;
  }

  .nav-list {
    position: absolute;
    top: 100%;
    right: 16px;
    left: 16px;
    display: grid;
    gap: 0;
    border: 1px solid var(--border);
    border-top: 2px solid var(--accent);
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 14px 32px rgba(17, 17, 17, 0.08);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms var(--ease);
  }

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

  .nav-list a.nav-button {
    width: 100%;
    min-height: 42px;
    border-color: transparent;
    padding: 10px 12px;
    justify-content: flex-start;
  }

  .nav-list a.nav-button:hover,
  .nav-list a.nav-button:focus-visible {
    border-color: var(--accent);
  }

  .hero-section {
    padding: 80px 0 92px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 68px;
  }

  .hero-copy h1 {
    font-size: clamp(3rem, 16vw, 5.6rem);
  }

  .hero-intro {
    margin-top: 26px;
  }

  .signal-panel {
    max-width: 430px;
    box-shadow: 10px 10px 0 var(--surface-strong);
  }

  .section {
    padding: 86px 0;
  }

  .section-frame {
    padding-top: 22px;
  }

  .section-heading h2,
  .portfolio-heading h2,
  .contact-inner h2 {
    font-size: clamp(2.35rem, 11vw, 4rem);
  }

  .about-grid {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 16px;
    margin-top: 58px;
  }

  .about-copy,
  .skills-block {
    grid-column: 2;
  }

  .line-numbers {
    min-height: 380px;
  }

  .skills-list {
    grid-template-columns: 1fr;
  }

  .portfolio-section {
    padding-bottom: 96px;
  }

  .carousel-shell {
    margin-top: 46px;
  }

  .carousel-slide {
    padding: 16px;
  }

  .terminal-card {
    min-height: 390px;
  }

  .terminal-content {
    min-height: 344px;
    padding: 34px 22px;
  }

  .terminal-meta {
    margin-top: 44px;
  }

  .contact-section {
    padding: 112px 0 125px;
  }

  .contact-button {
    width: 100%;
    max-width: 360px;
  }

  .footer-inner {
    min-height: 132px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
  }

  .footer-credit {
    width: 100%;
    justify-content: space-between;
    gap: 0;
  }

  .footer-signature {
    width: 150px;
    max-height: 36px;
    object-position: left center;
  }

  .matrix-trigger {
    right: 14px;
    bottom: 14px;
  }
}

@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;
  }

  .reveal,
  .reveal-up {
    opacity: 1;
    transform: none;
  }
}