/* ============================================================   Base + layout + sections   ============================================================ */
*,*::before,*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--text-primary);
  background-color: var(--bg);
  background-image: linear-gradient(      var(--grid-line) 1px,      transparent 1px    ),    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  transition: background-color var(--transition-slow),    color var(--transition-slow);
  overflow-x: hidden;
}
::selection {
  background: var(--accent);
  color: var(--bg);
}
a {
  color: inherit;
  text-decoration: none;
}
img,svg {
  display: block;
  max-width: 100%;
}
button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---- Layout ------------------------------------------------ */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
}
.skip-link:focus-visible {
  left: var(--space-4);
  top: var(--space-3);
}
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}
main {
  display: block;
}
section {
  padding-top: var(--section-gap);
}
.section-head {
  margin-bottom: var(--space-6);
}
.section-head h2 {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-xl);
  letter-spacing: -0.02em;
}
.section-head p {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  max-width: var(--max-width);
}

/* ---- Header ------------------------------------------------ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--bg);
  background-color: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  object-fit: cover;
  display: block;
}
.logo-name {
  font-size: var(--fs-base);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}
.nav-links a {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-links a:hover,.nav-links a:focus-visible {
  color: var(--text-primary);
}
.nav-links a.active {
  color: var(--text-primary);
}
.nav-links a.active::after {
  transform: scaleX(1);
}

/* Theme toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover,.theme-toggle:focus-visible {
  color: var(--text-primary);
  background: var(--bg-soft);
}
.theme-toggle .icon-sun {
  display: none;
}
[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}
[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

/* Mobile nav */
.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  place-items: center;
}

/* ---- Hero / profile ---------------------------------------- */
.hero {
  padding-top: var(--space-12);
}
.hero-profile {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  overflow: hidden;
  flex-shrink: 0;
}
.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.profile-title h1 {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
}
.profile-role {
  margin-top: var(--space-2);
  font-size: var(--fs-lg);
  color: var(--accent);
  display: flex;
  align-items: center;
  min-height: 1.5em;
}

.role-type {
  color: var(--accent);
}

.role-type.is-typing::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: var(--space-1);
  background: var(--accent);
  vertical-align: text-bottom;
  animation: caret-blink 1s steps(1) infinite;
}

@keyframes caret-blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0;
  }
}

/* Metadata row */
.meta {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-5) 0;
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 160px;
}
.meta-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.meta-label svg {
  width: 13px;
  height: 13px;
  color: var(--text-muted);
}
.meta-value {
  font-size: var(--fs-sm);
  color: var(--text-primary);
}
.meta-value a {
  color: inherit;
  transition: color var(--transition);
}
.meta-value a:hover,.meta-value a:focus-visible {
  color: var(--accent);
}

/* Introduction */
.intro {
  margin-top: var(--space-8);
}
.intro p {
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  color: var(--text-secondary);
}
.highlight {
  color: var(--text-primary);
}

/* Status row */
.status {
  margin-top: var(--space-8);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-sm);
  background: var(--success);
}
.status strong {
  color: var(--text-primary);
  font-weight: var(--fw-medium);
}

/* Social + resume */
.actions {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.social-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition),    border-color var(--transition);
}
.icon-btn svg {
  width: 18px;
  height: 18px;
}
.icon-btn:hover,.icon-btn:focus-visible {
  color: var(--text-primary);
  background: var(--bg-soft);
  border-color: var(--border-strong);
}
.resume-link {
  font-size: var(--fs-sm);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.resume-link:hover,.resume-link:focus-visible {
  background: var(--accent-soft);
}

/* ---- Projects ---------------------------------------------- */
.projects-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}
.project {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-8);
  border-top: 1px solid var(--border);
  padding-top: var(--space-8);
}
.project > * {
  flex: 1 1 0;
  min-width: 0;
}
.project:nth-child(even) {
  flex-direction: row-reverse;
}
.project-top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}
.project-type {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.project-status {
  font-size: var(--fs-xs);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}
.project-status.is-live {
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 30%, var(--border));
}
.project h3 {
  margin-top: var(--space-4);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-lg);
  letter-spacing: -0.01em;
}
.project-desc {
  margin-top: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--fs-sm);
}
.project-contribution {
  margin-top: var(--space-4);
  font-size: var(--fs-sm);
  color: var(--text-primary);
}
.project-privacy-note {
  margin-top: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}
.project-actions {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.project-actions .project-links,
.project-actions .project-more {
  margin-top: 0;
}
.project-contribution .label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  display: block;
  margin-bottom: var(--space-2);
}
.project-links {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.project-links a {
  font-size: var(--fs-sm);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.project-links a:hover,.project-links a:focus-visible {
  text-decoration: underline;
}
.project-more {
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--accent);
  padding: 0;
  border: none;
  background: none;
  transition: color var(--transition);
}
.project-more:hover,.project-more:focus-visible {
  text-decoration: underline;
}
.project-media {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-soft);
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Placeholder panels for unreleased / private projects */
.project-media.placeholder {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  text-align: center;
  background:    linear-gradient(var(--bg-soft), var(--bg-soft)),    var(--grid-line);
}
.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-muted);
}
.placeholder-content .tag {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid var(--border-strong);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.placeholder-content p {
  font-size: var(--fs-sm);
  max-width: 260px;
}

/* ---- Stack ------------------------------------------------ */
.stack-list {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  border-top: 1px solid var(--border);
  padding-top: var(--space-8);
}
.stack-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  padding: var(--space-2) var(--space-4);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}
.stack-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-primary);
  transition: transform 180ms ease;
}
.stack-item-name {
  font-size: var(--fs-sm);
  white-space: nowrap;
}
.stack-item:hover,
.stack-item:focus-visible {
  color: var(--text-primary);
  background: var(--bg-soft);
  border-color: var(--border-strong);
}
.stack-item:hover svg,
.stack-item:focus-visible svg {
  transform: translateY(-1px);
}

/* ---- Contact ------------------------------------------------ */
.contact {
  padding-bottom: var(--space-16);
}
.contact h2 {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-2xl);
  letter-spacing: -0.02em;
  max-width: var(--max-width);
}
.contact-copy {
  margin-top: var(--space-4);
  max-width: var(--max-width);
  color: var(--text-secondary);
}
.contact-actions {
  margin-top: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--accent);
  color: var(--bg);
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  transition: transform var(--transition), opacity var(--transition);
}
.btn-primary:hover,.btn-primary:focus-visible {
  transform: translateY(-1px);
  opacity: 0.92;
}

/* ---- Footer ------------------------------------------------ */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-6) 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer-inner p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

/* ---- Floating dock ----------------------------------------- */
.dock {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--dock-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}
.dock-item {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition),    transform var(--transition);
}
.dock-item svg {
  width: 18px;
  height: 18px;
}
.dock-item:hover,.dock-item:focus-visible {
  color: var(--text-primary);
  background: var(--bg-soft);
  transform: translateY(-3px);
}
.dock-item.active {
  color: var(--accent);
}
.dock-item .dock-tip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: var(--fs-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.dock-item:hover .dock-tip,.dock-item:focus-visible .dock-tip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.dock-separator {
  width: 1px;
  height: 20px;
  background: var(--border-strong);
}

/* ---- Tech detail drawer ------------------------------------- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 380px;
  max-width: 100%;
  z-index: 95;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  visibility: hidden;
}
.drawer.open {
  transform: translateX(0);
  visibility: visible;
}
.drawer-header {
  display: flex;
  justify-content: flex-end;
  padding: var(--space-4);
}
.drawer-close {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
.drawer-close:hover,.drawer-close:focus-visible {
  color: var(--text-primary);
  background: var(--bg-soft);
}
.drawer-body {
  padding: 0 var(--space-6) var(--space-8);
  overflow-y: auto;
}
.drawer-icon {
  width: 56px;
  height: 56px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: var(--bg-soft);
}
.drawer-icon svg {
  width: 32px;
  height: 32px;
}
.drawer-name {
  margin-top: var(--space-5);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-lg);
  letter-spacing: -0.01em;
}
.drawer-desc {
  margin-top: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
}
.drawer-usedfor {
  margin-top: var(--space-6);
}
.drawer-label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: var(--fw-medium);
}
.drawer-usedfor ul {
  margin-top: var(--space-3);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.drawer-usedfor li {
  position: relative;
  padding-left: var(--space-4);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.drawer-usedfor li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
body.drawer-open {
  overflow: hidden;
}

/* Project detail drawer */
.project-drawer-meta {
  margin-top: var(--space-2);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.project-drawer-sections {
  margin-top: var(--space-6);
}
.drawer-section + .drawer-section {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}
.drawer-section h4 {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: var(--fw-medium);
}
.drawer-section p {
  margin-top: var(--space-2);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--text-secondary);
}
/* ---- Empty-space click ripple -------------------------------- */
.ripple {
  position: fixed;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 5;
  opacity: 0.55;
  transform: scale(0.4);
  animation: ripple-expand 600ms ease-out forwards;
}
@keyframes ripple-expand {
  to {
    opacity: 0;
    transform: scale(8);
  }
}