:root {
  --ink: #0b0d0c;
  --ink-soft: #151815;
  --paper: #f2f0e9;
  --paper-strong: #fffdf6;
  --muted: #858b83;
  --line-dark: rgba(242, 240, 233, 0.16);
  --line-light: rgba(11, 13, 12, 0.16);
  --acid: #d7ff4f;
  --cyan: #64d9e8;
  --coral: #ff7048;
  --radius: 8px;
  --shell: min(1280px, calc(100vw - 64px));
  --font-sans: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  color: var(--ink);
  background: var(--acid);
}

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

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

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

.icon-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1.1em;
  height: 1.1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.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;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--acid);
  transform: translateY(-200%);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--paper);
  border-bottom: 1px solid transparent;
  transition: background 240ms ease, border-color 240ms ease, backdrop-filter 240ms ease;
}

.site-header.scrolled,
.site-header.inverted {
  color: var(--ink);
  background: rgba(242, 240, 233, 0.92);
  border-color: var(--line-light);
  backdrop-filter: blur(18px);
}

.site-header.scrolled .brand-mark,
.site-header.inverted .brand-mark {
  color: var(--ink);
  border-color: var(--line-light);
}

.header-inner {
  width: var(--shell);
  height: 76px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(242, 240, 233, 0.35);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 10px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 13px;
}

.desktop-nav a,
.header-link {
  position: relative;
}

.desktop-nav a::after {
  position: absolute;
  content: "";
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 1px;
  background: currentColor;
  transition: right 180ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  right: 0;
}

.header-link {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  transition: background 180ms ease, color 180ms ease;
}

.header-link:hover {
  color: var(--ink);
  background: var(--acid);
  border-color: var(--acid);
}

.menu-button {
  display: none;
  justify-self: end;
  width: 40px;
  height: 40px;
  place-items: center;
  padding: 0;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 50%;
  cursor: pointer;
}

.menu-button .icon {
  width: 18px;
  height: 18px;
}

.menu-close {
  display: none;
}

.menu-button[aria-expanded="true"] .menu-open {
  display: none;
}

.menu-button[aria-expanded="true"] .menu-close {
  display: block;
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
}

.hero::after {
  position: absolute;
  content: "";
  inset: auto 0 0;
  height: 22%;
  background: linear-gradient(transparent, rgba(11, 13, 12, 0.86));
  pointer-events: none;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-glow {
  position: absolute;
  width: 60vw;
  max-width: 860px;
  aspect-ratio: 1;
  right: -15vw;
  top: -20vw;
  border-radius: 50%;
  opacity: 0.24;
  background: radial-gradient(circle, rgba(100, 217, 232, 0.46), transparent 66%);
  filter: blur(30px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: var(--shell);
  min-height: 100svh;
  margin: 0 auto;
  padding: 110px 0 62px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 5px rgba(215, 255, 79, 0.1);
}

.kicker-divider {
  color: var(--muted);
}

.hero-copy {
  width: 100%;
  margin: auto 0;
  padding: 44px 0;
}

.hero-role {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.hero h1 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(68px, 10vw, 154px);
  font-weight: 600;
  line-height: 0.86;
  letter-spacing: 0;
}

.hero-tagline {
  max-width: 23em;
  margin: 28px 0 0;
  font-size: clamp(22px, 3vw, 42px);
  font-weight: 400;
  line-height: 1.18;
}

.hero-meta {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 24px;
}

.identity-chip {
  display: flex;
  align-items: center;
  gap: 14px;
}

.avatar {
  position: relative;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid rgba(242, 240, 233, 0.28);
  border-radius: 50%;
  background:
    linear-gradient(145deg, rgba(215, 255, 79, 0.18), rgba(100, 217, 232, 0.12)),
    var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.avatar img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.meta-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--muted);
}

.identity-chip strong {
  font-size: 13px;
  font-weight: 500;
}

.hero-coordinates {
  justify-self: center;
  display: flex;
  gap: 9px;
  padding-bottom: 16px;
  color: rgba(242, 240, 233, 0.58);
  font-family: var(--font-mono);
  font-size: 9px;
}

.coordinate-separator {
  color: var(--acid);
}

.scroll-cue {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding-bottom: 13px;
  border-bottom: 1px solid rgba(242, 240, 233, 0.4);
  font-size: 12px;
}

.scroll-cue .icon {
  transform: rotate(90deg);
  transition: transform 180ms ease;
}

.scroll-cue:hover .icon {
  transform: translateX(5px) rotate(90deg);
}

.hero-index {
  position: absolute;
  z-index: 2;
  right: 22px;
  top: 50%;
  display: flex;
  gap: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}

.hero-index span:last-child {
  color: var(--acid);
}

.section {
  padding: 132px 0;
}

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

.section-heading {
  margin-bottom: 58px;
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.55fr);
  align-items: end;
  gap: 40px;
}

.eyebrow {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: #687067;
}

.section-heading h2,
.guide-intro h2 {
  margin: 0;
  font-size: clamp(40px, 6vw, 82px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: 0;
}

.section-aside {
  max-width: 28em;
  margin: 0;
  color: #60675f;
  font-size: 14px;
  line-height: 1.75;
}

.profile-section {
  background:
    radial-gradient(circle at 80% 10%, rgba(255, 112, 72, 0.07), transparent 26%),
    var(--paper);
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  align-items: start;
  gap: 9vw;
}

.profile-intro {
  max-width: 16em;
  margin: 0;
  font-size: clamp(22px, 2.7vw, 38px);
  line-height: 1.42;
}

.availability {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line-light);
  font-size: 12px;
}

.availability .status-dot {
  background: var(--ink);
  box-shadow: 0 0 0 5px rgba(11, 13, 12, 0.06);
}

.availability-note {
  margin-left: auto;
  color: #70776f;
}

.profile-panel {
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
  border-radius: var(--radius);
}

.panel-topline,
.panel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  color: #8d968c;
  font-family: var(--font-mono);
  font-size: 9px;
}

.panel-topline {
  border-bottom: 1px solid var(--line-dark);
}

.panel-footer {
  border-top: 1px solid var(--line-dark);
}

.icon-button {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  padding: 0;
  color: #c9cdc6;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  cursor: pointer;
}

.icon-button:hover {
  color: var(--ink);
  background: var(--acid);
  border-color: var(--acid);
}

.icon-button .icon {
  width: 13px;
  height: 13px;
}

.check-icon,
.icon-button.copied .copy-icon {
  display: none;
}

.icon-button.copied .check-icon {
  display: block;
}

.profile-data {
  margin: 0;
  padding: 8px 20px 12px;
}

.profile-data > div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-dark);
}

.profile-data > div:last-child {
  border-bottom: 0;
}

.profile-data dt,
.profile-data dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
}

.profile-data dt {
  color: #717a70;
}

.profile-data dd {
  line-height: 1.5;
}

.inline-status {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--acid);
  vertical-align: 1px;
}

.guide-section {
  padding-top: 0;
}

.guide-frame {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
}

.guide-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 5vw, 64px);
  background:
    linear-gradient(135deg, rgba(215, 255, 79, 0.85), rgba(100, 217, 232, 0.35)),
    var(--acid);
}

.guide-intro h2 {
  font-size: clamp(42px, 5vw, 70px);
}

.guide-intro > p:last-child {
  max-width: 26em;
  margin: 24px 0 0;
  color: rgba(11, 13, 12, 0.68);
  font-size: 14px;
  line-height: 1.7;
}

.guide-console {
  min-height: 470px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  color: var(--paper);
  background: #101310;
}

.console-head {
  display: flex;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 9px;
}

.console-title,
.console-state {
  display: flex;
  align-items: center;
  gap: 8px;
}

.console-title .icon {
  color: var(--acid);
}

.console-state {
  color: var(--acid);
}

.conversation {
  flex: 1;
  max-height: 230px;
  overflow-y: auto;
  padding: 22px 0;
  scrollbar-width: thin;
  scrollbar-color: #313831 transparent;
}

.message {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 20px;
  font-size: 13px;
  line-height: 1.65;
}

.message:last-child {
  margin-bottom: 0;
}

.message-label {
  color: #70786f;
  font-family: var(--font-mono);
  font-size: 8px;
  padding-top: 5px;
}

.message p {
  margin: 0;
}

.message-user {
  color: var(--acid);
}

.message-user .message-label {
  color: var(--acid);
}

.prompt-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0;
}

.prompt-chip {
  padding: 8px 11px;
  color: #b8beb7;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  font-size: 10px;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease;
}

.prompt-chip:hover {
  color: var(--paper);
  border-color: #606960;
}

.ask-form {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 8px 8px 16px;
  border: 1px solid #323a32;
  border-radius: 999px;
}

.ask-form:focus-within {
  border-color: #687367;
}

.ask-form input {
  min-width: 0;
  flex: 1;
  padding: 8px 0;
  color: var(--paper);
  background: transparent;
  border: 0;
  outline: 0;
  font-size: 12px;
}

.ask-form input::placeholder {
  color: #687068;
}

.ask-form button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  padding: 0;
  color: var(--ink);
  background: var(--acid);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}

.ask-form button:hover {
  background: var(--cyan);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.focus-card {
  min-height: 440px;
  display: flex;
  flex-direction: column;
  padding: 32px;
  border-right: 1px solid var(--line-light);
  transition: background 240ms ease;
}

.focus-card:last-child {
  border-right: 0;
}

.focus-card:hover {
  background: var(--paper-strong);
}

.focus-top {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9px;
  color: #6c746b;
}

.focus-axis {
  display: flex;
  align-items: center;
  gap: 6px;
}

.focus-axis::before {
  content: "";
  display: block;
  width: 20px;
  height: 1px;
  background: currentColor;
}

.focus-card h3 {
  max-width: 7em;
  margin: auto 0 22px;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 500;
  line-height: 1;
}

.focus-card > p {
  min-height: 5.2em;
  margin: 0 0 28px;
  color: #616960;
  font-size: 13px;
  line-height: 1.7;
}

.keyword-list,
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.keyword-list span,
.project-tags span {
  padding: 6px 9px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 8px;
}

.work-section {
  color: var(--paper);
  background: var(--ink);
}

.work-section .eyebrow,
.work-section .section-aside {
  color: #858e84;
}

.project-list {
  border-top: 1px solid var(--line-dark);
}

.project-row {
  position: relative;
  display: grid;
  grid-template-columns: 100px minmax(180px, 0.75fr) minmax(280px, 1.25fr) minmax(170px, 0.55fr) 44px;
  gap: 28px;
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: padding 220ms ease;
}

.project-row:hover {
  padding-left: 14px;
  padding-right: 14px;
}

.project-index,
.project-tags span {
  color: #778077;
  font-family: var(--font-mono);
  font-size: 9px;
}

.project-row h3 {
  margin: -4px 0 0;
  font-size: clamp(26px, 3.3vw, 44px);
  font-weight: 500;
  line-height: 1.1;
}

.project-row > p {
  max-width: 36em;
  margin: 0;
  color: #a5aca4;
  font-size: 13px;
  line-height: 1.75;
}

.project-tags span {
  border-color: var(--line-dark);
}

.project-arrow {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.project-row:hover .project-arrow {
  color: var(--ink);
  background: var(--acid);
  border-color: var(--acid);
}

.stack-section {
  overflow: hidden;
  padding: 42px 0 54px;
  color: var(--ink);
  background: var(--cyan);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.stack-label {
  width: var(--shell);
  margin: 0 auto 36px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9px;
}

.marquee {
  overflow: hidden;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.stack-word {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-right: 28px;
  font-size: clamp(42px, 7vw, 92px);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.stack-word::after {
  content: "✳";
  font-size: 0.4em;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

.journey-section {
  background: var(--paper-strong);
}

.timeline {
  border-top: 1px solid var(--line-light);
}

.timeline-item {
  display: grid;
  grid-template-columns: minmax(100px, 0.35fr) minmax(220px, 0.75fr) minmax(300px, 1.2fr);
  gap: 28px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-light);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #697168;
}

.timeline-item h3 {
  margin: -6px 0 0;
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 500;
  line-height: 1.15;
}

.timeline-item p {
  max-width: 38em;
  margin: 0;
  color: #626a61;
  font-size: 13px;
  line-height: 1.75;
}

.contact-section {
  position: relative;
  overflow: hidden;
  padding: 132px 0 118px;
  background: var(--acid);
}

.contact-inner {
  position: relative;
  z-index: 2;
  width: var(--shell);
  margin: 0 auto;
}

.contact-section .eyebrow {
  color: rgba(11, 13, 12, 0.54);
}

.contact-section h2 {
  max-width: 8em;
  margin: 0;
  font-size: clamp(56px, 10vw, 142px);
  font-weight: 500;
  line-height: 0.88;
}

.contact-actions {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-top: 70px;
  padding-top: 26px;
  border-top: 1px solid rgba(11, 13, 12, 0.28);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-size: clamp(20px, 3vw, 38px);
  border-bottom: 1px solid var(--ink);
}

.contact-email .icon {
  transition: transform 180ms ease;
}

.contact-email:hover .icon {
  transform: translate(4px, -4px);
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a,
.social-links .social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border: 1px solid rgba(11, 13, 12, 0.36);
  border-radius: 999px;
  font-size: 11px;
}

.social-links a:hover {
  color: var(--paper);
  background: var(--ink);
}

.social-links .icon {
  width: 12px;
  height: 12px;
}

.contact-orbit {
  position: absolute;
  width: min(58vw, 760px);
  aspect-ratio: 1;
  right: -10vw;
  top: 50%;
  transform: translateY(-50%);
}

.contact-orbit span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(11, 13, 12, 0.18);
  border-radius: 50%;
}

.contact-orbit span:nth-child(2) {
  inset: 15%;
}

.contact-orbit span:nth-child(3) {
  inset: 32%;
  background: rgba(11, 13, 12, 0.04);
}

.site-footer {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 max(32px, calc((100vw - 1280px) / 2));
  color: #7b837a;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 8px;
}

.site-footer a {
  color: var(--paper);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 300;
  padding: 11px 18px;
  color: var(--ink);
  background: var(--acid);
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 11px;
  transform: translate(-50%, 150%);
  transition: transform 220ms ease;
}

.toast.visible {
  transform: translate(-50%, 0);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (max-width: 980px) {
  :root {
    --shell: min(100% - 40px, 1280px);
  }

  .desktop-nav,
  .header-link {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
    height: 66px;
  }

  .menu-button {
    display: grid;
  }

  .mobile-nav {
    position: fixed;
    inset: 0;
    z-index: -1;
    padding: 105px 20px 40px;
    display: flex;
    flex-direction: column;
    color: var(--paper);
    background: rgba(11, 13, 12, 0.98);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 200ms ease, visibility 200ms ease, transform 200ms ease;
  }

  .mobile-nav.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .mobile-nav a {
    padding: 18px 0;
    border-bottom: 1px solid var(--line-dark);
    font-size: 34px;
    line-height: 1;
  }

  .site-header.menu-visible {
    color: var(--paper);
    background: var(--ink);
    border-color: var(--line-dark);
    backdrop-filter: none;
  }

  .site-header.menu-visible .brand-mark {
    color: var(--paper);
    border-color: rgba(242, 240, 233, 0.35);
  }

  .hero-inner {
    padding-top: 95px;
  }

  .hero h1 {
    font-size: clamp(60px, 16vw, 116px);
  }

  .hero-meta {
    grid-template-columns: 1fr auto;
  }

  .hero-coordinates {
    display: none;
  }

  .profile-layout,
  .guide-frame {
    grid-template-columns: 1fr;
  }

  .profile-layout {
    gap: 54px;
  }

  .profile-panel {
    max-width: 560px;
  }

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

  .focus-card {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .focus-card:last-child {
    border-bottom: 0;
  }

  .focus-card h3 {
    margin-top: 90px;
  }

  .focus-card > p {
    min-height: 0;
  }

  .project-row {
    grid-template-columns: 60px minmax(180px, 0.8fr) minmax(0, 1.2fr) 44px;
  }

  .project-tags {
    display: none;
  }

  .timeline-item {
    grid-template-columns: 90px minmax(180px, 0.8fr) minmax(0, 1.2fr);
  }
}

@media (max-width: 680px) {
  :root {
    --shell: calc(100% - 32px);
  }

  .section {
    padding: 88px 0;
  }

  .hero-inner {
    padding-top: 88px;
    padding-bottom: 30px;
  }

  .hero-copy {
    padding: 32px 0;
  }

  .hero h1 {
    font-size: clamp(58px, 20vw, 92px);
  }

  .hero-tagline {
    max-width: 14em;
    margin-top: 22px;
    font-size: 23px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .scroll-cue,
  .hero-index {
    display: none;
  }

  .hero-kicker {
    gap: 8px;
    font-size: 8px;
  }

  .section-heading-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .section-heading h2 {
    font-size: 44px;
  }

  .profile-intro {
    font-size: 26px;
  }

  .availability {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .availability-note {
    width: 100%;
    margin: 4px 0 0 19px;
  }

  .guide-console {
    min-height: 500px;
    padding: 16px;
  }

  .message {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 8px;
  }

  .prompt-chips {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .prompt-chip {
    padding: 10px 8px;
  }

  .focus-card {
    padding: 24px;
  }

  .focus-card h3 {
    margin-top: 64px;
  }

  .project-row {
    grid-template-columns: 36px minmax(0, 1fr) 34px;
    gap: 14px;
    padding: 26px 0;
  }

  .project-row > p {
    grid-column: 2 / 4;
    grid-row: 2;
  }

  .project-arrow {
    width: 32px;
    height: 32px;
  }

  .stack-section {
    padding: 34px 0 40px;
  }

  .timeline-item {
    grid-template-columns: 70px minmax(0, 1fr);
    gap: 12px;
    padding: 26px 0;
  }

  .timeline-item p {
    grid-column: 2;
  }

  .contact-section {
    padding: 90px 0 74px;
  }

  .contact-section h2 {
    font-size: 64px;
  }

  .contact-actions {
    align-items: flex-start;
    flex-direction: column;
    margin-top: 54px;
  }

  .contact-email {
    max-width: 100%;
    font-size: 20px;
    overflow-wrap: anywhere;
  }

  .social-links {
    flex-wrap: wrap;
  }

  .contact-orbit {
    width: 110vw;
    right: -50vw;
    opacity: 0.7;
  }

  .site-footer {
    min-height: 100px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 24px 16px;
  }

  .site-footer span:nth-child(2) {
    display: none;
  }
}

@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 {
    opacity: 1;
    transform: none;
  }
}