:root {
  color-scheme: dark;
  --bg: #020617;
  --bg-2: #0b0f14;
  --panel: rgba(15, 23, 42, 0.72);
  --panel-strong: rgba(2, 6, 23, 0.9);
  --line: rgba(148, 163, 184, 0.26);
  --line-strong: rgba(203, 213, 225, 0.38);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --soft: #94a3b8;
  --cyan: #67e8f9;
  --blue: #2563eb;
  --amber: #f59e0b;
  --green: #22c55e;
  --red: #ef4444;
  --radius: 8px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font);
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 72px 72px,
    radial-gradient(circle at 75% 5%, rgba(103, 232, 249, 0.16), transparent 30rem),
    radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.16), transparent 28rem),
    linear-gradient(180deg, #020617 0%, #0b0f14 42%, #111827 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(115deg, transparent 0 16%, rgba(248, 250, 252, 0.055) 16.2% 16.5%, transparent 16.7%),
    linear-gradient(75deg, transparent 0 72%, rgba(148, 163, 184, 0.07) 72.2% 72.5%, transparent 72.7%);
}

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

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

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  min-height: 44px;
  padding: 12px 16px;
  border: 1px solid var(--cyan);
  background: #020617;
  transform: translateY(-140%);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 12;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 10px max(16px, env(safe-area-inset-left)) 10px max(16px, env(safe-area-inset-right));
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(18px);
}

.brand-mark,
.quick-nav {
  display: flex;
  align-items: center;
}

.brand-mark {
  gap: 9px;
  min-height: 44px;
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border: 1px solid rgba(248, 250, 252, 0.76);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(103, 232, 249, 0.72);
}

.quick-nav {
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

.quick-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 10px;
  border: 1px solid transparent;
}

.quick-nav a:hover,
.quick-nav a:focus-visible {
  border-color: var(--line);
  background: rgba(148, 163, 184, 0.08);
}

.section-indicator {
  position: fixed;
  top: 68px;
  left: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 1060px;
  min-height: 34px;
  margin: 0 auto;
  padding: 7px 10px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--radius);
  background: rgba(2, 6, 23, 0.62);
  color: var(--cyan);
  font-size: 11px;
  font-weight: 780;
  letter-spacing: 0;
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.section-indicator.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.indicator-rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(103, 232, 249, 0.7), rgba(203, 213, 225, 0.08));
}

.section-shell {
  position: relative;
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: 92px 16px 30px;
  scroll-margin-top: 92px;
}

.hero {
  display: grid;
  align-content: center;
  min-height: 100svh;
  padding-top: calc(104px + env(safe-area-inset-top));
  padding-bottom: calc(108px + env(safe-area-inset-bottom));
  gap: 0;
}

.hero-visual {
  position: absolute;
  inset: 78px 0 auto 0;
  z-index: -1;
  height: min(58svh, 520px);
  overflow: hidden;
  border-bottom: 1px solid rgba(203, 213, 225, 0.18);
  opacity: 0.54;
  mask-image: linear-gradient(180deg, #000 0 64%, transparent 100%);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
  filter: saturate(0.95) contrast(1.08);
}

.focus-panel,
.focus-areas-panel,
.project-card,
.qa-panel,
.field-summary,
.field-group,
.note-card,
.tool-panel,
.contact-grid,
.about-copy {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(248, 250, 252, 0.11), rgba(248, 250, 252, 0.02) 28%, rgba(15, 23, 42, 0.76)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-content {
  max-width: 38rem;
  padding: 0;
}

.hero-eyebrow-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.hero-eyebrow-row .eyebrow {
  margin: 0;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 2px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.44);
  flex: 0 0 auto;
}

.language-toggle button {
  min-width: 34px;
  min-height: 26px;
  padding: 0 8px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--soft);
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  font-weight: 830;
}

.language-toggle button.is-active {
  background: rgba(103, 232, 249, 0.16);
  color: var(--cyan);
  box-shadow: inset 0 0 0 1px rgba(103, 232, 249, 0.38);
}

.eyebrow,
.panel-kicker {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 11vw, 56px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-title {
  margin: 0;
  color: var(--text);
  font-size: clamp(34px, 10vw, 48px);
  font-weight: 820;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy,
.section-heading p,
.project-card p,
.focus-panel p,
.focus-secondary,
.field-summary p,
.about-copy,
.accordion-panel,
.why-copy {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.58;
}

.hero-copy {
  max-width: 26rem;
  margin: 18px 0 0;
}

.cta-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 22px;
}

.cta-button,
.accordion-trigger,
.contact-link {
  min-height: 44px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.72);
  color: var(--text);
  font-size: 14px;
  font-weight: 780;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.cta-primary {
  border-color: rgba(103, 232, 249, 0.8);
  background: linear-gradient(135deg, rgba(103, 232, 249, 0.2), rgba(37, 99, 235, 0.32));
  box-shadow: 0 0 24px rgba(103, 232, 249, 0.18);
}

.cta-button:hover,
.cta-button:focus-visible,
.contact-link:hover,
.contact-link:focus-visible,
.accordion-trigger:hover,
.accordion-trigger:focus-visible {
  transform: scale(1.015);
  border-color: rgba(103, 232, 249, 0.76);
  box-shadow: 0 0 22px rgba(103, 232, 249, 0.16);
}

.cta-button:active,
.contact-link:active,
.accordion-trigger:active {
  transform: scale(0.985);
  opacity: 0.82;
}

.focus-panel,
.focus-areas-panel {
  padding: 14px;
}

.focus-panel p,
.focus-secondary {
  margin: 0;
}

.focus-section {
  padding-top: 0;
  padding-bottom: 18px;
}

.focus-areas-panel {
  display: grid;
  gap: 12px;
}

.focus-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.focus-chip-row li {
  min-height: 32px;
  padding: 8px 11px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.56);
  color: var(--text);
  font-size: 12px;
  font-weight: 760;
}

.focus-secondary {
  color: var(--soft);
  font-size: 13px;
  line-height: 1.45;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  max-width: 46rem;
  margin: 0;
  font-size: clamp(24px, 7vw, 34px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p:last-child {
  max-width: 42rem;
  margin: 12px 0 0;
}

.project-grid,
.note-grid,
.skills-grid,
.field-groups,
.contact-grid {
  display: grid;
  gap: 14px;
}

.project-card,
.qa-panel,
.field-summary,
.field-group,
.note-card,
.tool-panel,
.about-copy {
  padding: 16px;
}

.card-topline,
.qa-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.card-index {
  color: rgba(203, 213, 225, 0.42);
  font-size: 28px;
  font-weight: 820;
  line-height: 1;
}

.project-card h3,
.qa-panel h3,
.field-group h3,
.note-card h3,
.tool-panel h3,
.compact-project-card h3 {
  margin: 16px 0 10px;
  font-size: 19px;
  line-height: 1.16;
  letter-spacing: 0;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.status-mvp {
  color: var(--cyan);
  background: rgba(103, 232, 249, 0.08);
}

.status-progress,
.signal-review {
  color: var(--amber);
}

.status-draft {
  color: var(--soft);
  background: rgba(148, 163, 184, 0.08);
}

.signal-pass {
  color: var(--green);
}

.signal-check {
  color: var(--cyan);
}

.signal-high {
  color: var(--red);
}

.tag-list,
.chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 14px 0 0;
  list-style: none;
}

.tag-list li,
.chip-cloud li {
  min-height: 32px;
  padding: 8px 10px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.62);
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
}

.chip-cloud:not(.small) li {
  min-height: 40px;
  font-size: 13px;
}

.accordion {
  margin-top: 14px;
}

.project-more-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
  padding: 0 2px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--cyan);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0;
  text-transform: lowercase;
}

.more-project-link {
  min-height: 44px;
  padding-inline: 2px;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.projects-page-grid,
.learning-detail-grid {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.compact-project-card {
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(103, 232, 249, 0.1), transparent 35%),
    rgba(15, 23, 42, 0.62);
}

.compact-project-card p,
.learning-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(2, 6, 23, 0.58);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 780;
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.trigger-icon {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(203, 213, 225, 0.3);
  border-radius: 50%;
  color: var(--cyan);
  flex: 0 0 auto;
}

.accordion-panel {
  padding: 14px 2px 0;
}

.accordion-panel p {
  margin: 12px 0 0;
}

.detail-list,
.summary-list,
.field-group ul {
  padding-left: 18px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.detail-list li + li,
.summary-list li + li,
.field-group li + li {
  margin-top: 7px;
}

.mini-signal,
.signal-table {
  display: grid;
  gap: 6px;
  margin-top: 14px;
}

.signal-row {
  display: grid;
  grid-template-columns: minmax(86px, 1fr) auto;
  gap: 8px 12px;
  align-items: center;
  min-height: 44px;
  padding: 10px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius);
  background: rgba(2, 6, 23, 0.44);
  font-size: 13px;
}

.signal-row strong {
  font-size: 12px;
}

.signal-row small {
  grid-column: 1 / -1;
  color: var(--soft);
  font-size: 12px;
  line-height: 1.4;
}

.qa-panel {
  position: relative;
  overflow: hidden;
}

.qa-panel::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(120deg, rgba(248, 250, 252, 0.13), transparent 34%, rgba(103, 232, 249, 0.06) 76%, transparent);
  opacity: 0.78;
}

.qa-panel > * {
  position: relative;
}

.qa-expanded-copy {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.qa-expanded-copy p {
  margin: 0;
  padding: 11px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.44);
}

.qa-toggle {
  margin-top: 14px;
}

.field-summary {
  margin-bottom: 14px;
}

.summary-list {
  margin-top: 12px;
}

.field-group {
  background:
    linear-gradient(135deg, rgba(203, 213, 225, 0.08), transparent 36%),
    rgba(15, 23, 42, 0.64);
}

.note-card {
  min-height: 132px;
}

.note-card h3 {
  margin-top: 14px;
}

.tool-panel {
  box-shadow: none;
}

.learning-map-link {
  margin-top: 14px;
  padding: 2px 2px 0;
  color: var(--soft);
}

.learning-map-link span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 820;
}

.learning-map-link p {
  margin: 4px 0 2px;
  color: var(--soft);
  font-size: 13px;
  line-height: 1.45;
}

.about-copy {
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.about-background {
  margin-top: 6px;
}

.about-more-trigger {
  min-height: 32px;
  text-transform: none;
}

.contact-section {
  padding-bottom: 70px;
}

.contact-grid {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.contact-link {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.7);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.contact-link span {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 840;
  text-transform: uppercase;
}

.contact-link strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 760;
}

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 420ms ease, transform 420ms ease;
  transition-delay: var(--reveal-delay, 0ms);
}

@media (min-width: 520px) {
  .cta-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-row {
    grid-template-columns: minmax(100px, 1fr) auto minmax(190px, 1.3fr);
  }

  .signal-row small {
    grid-column: auto;
  }
}

@media (min-width: 780px) {
  .site-header {
    padding-inline: 28px;
  }

  .section-indicator {
    left: 28px;
    right: 28px;
  }

  .section-shell {
    padding-inline: 28px;
    padding-bottom: 46px;
  }

  .hero {
    align-content: center;
  }

  .project-grid,
  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .note-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .field-groups {
    grid-template-columns: 0.9fr 1.2fr 0.9fr;
    align-items: start;
  }

  .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .hero-visual {
    inset-inline: 28px;
    border: 1px solid rgba(203, 213, 225, 0.14);
    border-radius: var(--radius);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

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