/* Colors follow the OS setting unless the visitor picks one with the toggle */
:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --text: #1a1916;
  --muted: #6b6860;
  --border: #e6e3db;
  --subtle: #efede6;
  --accent: #d9480f;
  --accent-soft: rgba(217, 72, 15, 0.09);
  --danger: #c0392b;
  --ok: #2e7d4f;
  --shadow: 0 1px 2px rgba(26, 25, 22, 0.04), 0 8px 24px -16px rgba(26, 25, 22, 0.18);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #111110;
    --surface: #191917;
    --text: #ecebe6;
    --muted: #9b988f;
    --border: #2a2926;
    --subtle: #222120;
    --accent: #ff6b35;
    --accent-soft: rgba(255, 107, 53, 0.12);
    --danger: #ef6b5e;
    --ok: #5cbf86;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -16px rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --bg: #111110;
  --surface: #191917;
  --text: #ecebe6;
  --muted: #9b988f;
  --border: #2a2926;
  --subtle: #222120;
  --accent: #ff6b35;
  --accent-soft: rgba(255, 107, 53, 0.12);
  --danger: #ef6b5e;
  --ok: #5cbf86;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -16px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

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

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

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 14px;
}

ul,
dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.small {
  font-size: 0.875rem;
}

.meta {
  font-size: 0.88rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 60px;
}

.name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  text-decoration: none;
}

.name:hover {
  color: inherit;
}

.name-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--text);
  color: var(--bg);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.92rem;
}

.site-header nav a {
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
}

.site-header nav a:hover {
  color: var(--text);
  background: var(--subtle);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-left: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--text);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

@media (max-width: 600px) {
  .site-header nav a {
    display: none;
  }
}

/* ---------- Sections ---------- */
main section {
  margin-bottom: 72px;
}

h2 {
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 1.35rem;
  font-weight: 600;
}

.subhead {
  margin: 32px 0 12px;
  font-size: 1rem;
  font-weight: 600;
}

/* Intro */
.intro {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 72px 0 28px;
}

.avatar {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  object-fit: cover;
  flex: none;
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 1px var(--border), var(--shadow);
}

.eyebrow {
  margin: 0 0 4px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lead {
  margin: 8px 0 0;
  font-size: 1.15rem;
  color: var(--muted);
}

.bio p {
  max-width: 66ch;
  font-size: 1.05rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

@media (max-width: 560px) {
  .intro {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    margin-top: 44px;
  }
  .avatar {
    width: 88px;
    height: 88px;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  border-color: var(--muted);
  color: var(--text);
  transform: translateY(-1px);
}

.btn:active {
  transform: none;
}

.btn-primary {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tags li {
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--subtle);
  font-size: 0.8rem;
  color: var(--muted);
}

/* Projects */
.project-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.project {
  display: flex;
  flex-direction: column;
  padding: 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.project:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  transform: translateY(-2px);
}

.project-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.project-head h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.project-desc {
  margin: 10px 0 16px;
  font-size: 0.95rem;
  color: var(--muted);
}

.project .tags {
  margin-top: auto;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 500;
}

.project-links a {
  text-decoration: none;
}

@media (max-width: 680px) {
  .project-list {
    grid-template-columns: 1fr;
  }
}

/* Experience / education */
.entry {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.entry:first-child {
  padding-top: 0;
}

.entry:last-child {
  border-bottom: 0;
}

.entry-dates {
  margin: 3px 0 0;
}

.entry-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.entry-sub {
  margin: 2px 0 10px;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 500;
}

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

.entry-bullets li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
}

.entry-bullets li + li {
  margin-top: 6px;
}

.entry-bullets li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.75em;
  width: 6px;
  height: 1px;
  background: var(--muted);
}

@media (max-width: 600px) {
  .entry {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

.cert-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 16px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}

/* Skills */
.skills {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 16px 24px;
}

.skills dt {
  font-weight: 600;
  font-size: 0.95rem;
}

.skills dd {
  margin: 0;
}

@media (max-width: 600px) {
  .skills {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .skills dd {
    margin-bottom: 12px;
  }
}

/* Contact */
.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 26px;
}

.contact-card p:last-child {
  margin: 0;
}

.contact-title {
  margin: 0 0 2px;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.site-footer {
  padding-bottom: 40px;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer p {
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ---------- Demo ---------- */
#panel-skin {
  padding: 24px;
}

#panel-skin > p:first-child {
  color: var(--muted);
}

.row-actions .btn {
  height: 34px;
  padding: 0 12px;
  font-size: 0.88rem;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
}

.fineprint {
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.skin {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  align-items: start;
}

.dropzone {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px dashed var(--border);
  border-radius: 10px;
  background: var(--subtle);
  overflow: hidden;
  text-align: center;
  cursor: pointer;
}

.dropzone:hover,
.dropzone.is-over {
  border-color: var(--accent);
}

.dropzone img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dropzone img.is-blurred {
  filter: blur(18px);
  transform: scale(1.15);
}

.dropzone [hidden] {
  display: none !important;
}

.dropzone-label {
  padding: 16px;
  font-size: 0.875rem;
  color: var(--muted);
}

.reveal-btn {
  position: relative;
  z-index: 1;
  padding: 6px 10px;
  border: 0;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
}

.dropzone.is-scanning::after {
  content: 'Analyzing…';
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 0.75rem;
}

.skin-result.is-stale {
  opacity: 0.5;
}

.skin-label {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.verdict {
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0;
  vertical-align: middle;
}

.verdict.is-benign {
  color: var(--ok);
  background: color-mix(in srgb, var(--ok) 12%, transparent);
}

.verdict.is-malignant {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.skin-conf {
  margin: 4px 0 16px;
  font-size: 0.88rem;
}

.bars {
  display: grid;
  gap: 7px;
}

.bar-row {
  display: grid;
  grid-template-columns: 160px 1fr 44px;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--muted);
}

.bar-row.is-top {
  color: var(--text);
  font-weight: 600;
}

.bar-track {
  height: 6px;
  border-radius: 3px;
  background: var(--subtle);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--muted);
  transition: width 0.5s ease;
}

.bar-row.is-top .bar-fill {
  background: var(--accent);
}

.bar-row.is-top .bar-fill.is-malignant {
  background: var(--danger);
}

.bar-pct {
  font-size: 0.85rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 600px) {
  #panel-skin {
    padding: 18px;
  }
  .skin {
    grid-template-columns: 1fr;
  }
  .dropzone {
    max-width: 240px;
  }
  .bar-row {
    grid-template-columns: 130px 1fr 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .bar-fill,
  .btn,
  .project {
    transition: none;
  }
  .btn:hover,
  .project:hover {
    transform: none;
  }
}