:root {
  --paper: #eef2f6;
  --paper-alt: #e3eaf1;
  --card: #f6f9fb;
  --ink: #1b2b3e;
  --ink-dim: #57697e;
  --ink-faint: #8896a6;
  --line: #c1ccda;
  --line-strong: #8fa0b5;
  --blue: #2f5fa6;
  --blue-deep: #1c3a63;
  --red: #b5503f;
  --display: "Space Grotesk", ui-sans-serif, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;
  --sans: "Work Sans", ui-sans-serif, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 32px 32px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
}
::selection {
  background: var(--blue);
  color: #fff;
}
:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

/* corner registration marks */
.reg {
  position: fixed;
  width: 22px;
  height: 22px;
  pointer-events: none;
  z-index: 40;
  opacity: 0.55;
}
.reg::before,
.reg::after {
  content: "";
  position: absolute;
  background: var(--ink-faint);
}
.reg::before {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
}
.reg::after {
  height: 100%;
  width: 1px;
  left: 50%;
  top: 0;
}
.reg-tl {
  top: 14px;
  left: 14px;
}
.reg-tr {
  top: 14px;
  right: 14px;
}
.reg-bl {
  bottom: 14px;
  left: 14px;
}
.reg-br {
  bottom: 14px;
  right: 14px;
}
@media (max-width: 680px) {
  .reg {
    display: none;
  }
}

/* ---------- TITLE BLOCK ---------- */
.titleblock {
  margin-top: 26px;
  border: 1px solid var(--line-strong);
  background: var(--card);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-dim);
}
.tb-row {
  display: flex;
}
.tb-cell {
  flex: 1;
  padding: 9px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tb-row:last-child .tb-cell {
  border-bottom: none;
}
.tb-cell:last-child {
  border-right: none;
}
.tb-cell b {
  color: var(--ink);
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.03em;
  margin-bottom: 2px;
}
.tb-label {
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 9.5px;
}

@media (max-width: 680px) {
  .tb-row {
    flex-wrap: wrap;
  }
  .tb-cell {
    flex: 1 1 50%;
  }
}

/* ---------- NAV TABS ---------- */
nav.tabs {
  display: flex;
  gap: 0;
  margin: 0 0 0;
  border: 1px solid var(--line-strong);
  border-top: none;
  overflow-x: auto;
}
nav.tabs a {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 12px 18px;
  color: var(--ink-dim);
  border-right: 1px solid var(--line);
  white-space: nowrap;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}
nav.tabs a:last-child {
  border-right: none;
}
nav.tabs a:hover {
  background: var(--paper-alt);
  color: var(--blue-deep);
}

/* ---------- HERO ---------- */
.hero {
  padding: 64px 0 56px;
}
.coord {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--blue);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.crosshair {
  width: 16px;
  height: 16px;
  position: relative;
  flex-shrink: 0;
}
.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
  background: var(--red);
}
.crosshair::before {
  width: 100%;
  height: 1.5px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.crosshair::after {
  height: 100%;
  width: 1.5px;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(36px, 6vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 14px;
}
.hero h1 em {
  font-style: normal;
  color: var(--blue);
}
.hero p.lede {
  font-size: 16.5px;
  color: var(--ink-dim);
  max-width: 520px;
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 11px 18px;
  border: 1px solid var(--ink);
  transition: all 0.15s ease;
}
.btn-solid {
  background: var(--ink);
  color: var(--paper);
}
.btn-solid:hover {
  background: var(--blue-deep);
  border-color: var(--blue-deep);
}
.btn-outline {
  color: var(--ink);
}
.btn-outline:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- SECTIONS ---------- */
section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}
.sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 34px;
  flex-wrap: wrap;
  gap: 8px;
}
.sec-fig {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}
.sec-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 24px;
  color: var(--ink);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- EDUCATION ---------- */
.module {
  position: relative;
  border: 1px dashed var(--line-strong);
  background: var(--card);
  padding: 22px 24px;
}
.module::before,
.module::after,
.module .cnr-bl,
.module .cnr-br {
  content: "";
  position: absolute;
  width: 11px;
  height: 11px;
  border-color: var(--blue-deep);
  border-style: solid;
  border-width: 0;
}
.module::before {
  top: -1px;
  left: -1px;
  border-top-width: 2px;
  border-left-width: 2px;
}
.module::after {
  top: -1px;
  right: -1px;
  border-top-width: 2px;
  border-right-width: 2px;
}
.module .cnr-bl {
  bottom: -1px;
  left: -1px;
  border-bottom-width: 2px;
  border-left-width: 2px;
}
.module .cnr-br {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

.edu-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.edu-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 4px;
}
.edu-degree {
  color: var(--ink-dim);
  font-size: 14px;
}
.edu-meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  text-align: right;
}
.edu-meta div:first-child {
  color: var(--ink-dim);
  margin-bottom: 4px;
}

/* ---------- PROJECTS ---------- */
.proj {
  margin-bottom: 26px;
}
.proj-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 6px;
}
.proj-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--blue);
  letter-spacing: 0.06em;
}
.proj-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 19px;
  color: var(--ink);
}
.proj-period {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
}
.proj-desc {
  color: var(--ink-dim);
  font-size: 14.5px;
  margin-bottom: 16px;
  max-width: 640px;
}

.ports {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 16px;
}
.port {
  background: var(--paper-alt);
  padding: 12px 14px;
}
.port-label {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--blue-deep);
  letter-spacing: 0.08em;
  margin-bottom: 5px;
}
.port-val {
  font-size: 12.5px;
  color: var(--ink);
}
@media (max-width: 680px) {
  .ports {
    grid-template-columns: 1fr;
  }
}

.proj-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.proj-list li {
  font-size: 13.5px;
  color: var(--ink);
  padding-left: 16px;
  position: relative;
}
.proj-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--ink-faint);
}

.pins {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pin {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--blue-deep);
  border: 1px solid var(--line-strong);
  padding: 4px 9px;
  background: var(--card);
}

/* ---------- CERTIFICATIONS ---------- */
.cert-wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.stamp {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  border: 2px solid var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transform: rotate(-8deg);
  position: relative;
}
.stamp::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--red);
  border-radius: 50%;
}
.stamp-text {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--red);
  text-align: center;
  letter-spacing: 0.08em;
  line-height: 1.5;
}
.cert-info {
  flex: 1;
  min-width: 220px;
}
.cert-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 17px;
  margin-bottom: 4px;
}
.cert-issuer {
  color: var(--ink-dim);
  font-size: 14px;
  margin-bottom: 10px;
}
.cert-meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-faint);
}
.cert-meta a {
  color: var(--blue);
}
.cert-meta a:hover {
  text-decoration: underline;
}
.cert-meta div {
  margin-bottom: 4px;
}

/* ---------- SKILLS (BOM table) ---------- */
table.bom {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12.5px;
}
table.bom caption {
  text-align: left;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  padding-bottom: 8px;
  text-transform: uppercase;
}
table.bom th {
  text-align: left;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--line-strong);
  padding: 8px 10px;
}
table.bom td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
table.bom td:first-child {
  color: var(--ink-faint);
  width: 44px;
}
table.bom td:nth-child(2) {
  color: var(--blue-deep);
  white-space: nowrap;
}
table.bom tr:hover td {
  background: var(--paper-alt);
}

/* ---------- CONTACT ---------- */
.rev-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12.5px;
  margin-bottom: 24px;
}
.rev-table th {
  text-align: left;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--line-strong);
  padding: 8px 10px;
}
.rev-table td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
}
.contact-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.contact-links a {
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 11px 16px;
  border: 1px solid var(--ink);
  color: var(--ink);
  transition: all 0.15s ease;
}
.contact-links a:hover {
  background: var(--ink);
  color: var(--paper);
}

footer {
  padding: 30px 0 46px;
  text-align: center;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
}

.proj-links {
  display: flex;
  gap: 14px;
  margin-top: 4px;
}
.repo-link,
.live-link {
  font-family: var(--mono);
  font-size: 11.5px;
}
.repo-link {
  color: var(--blue);
}
.live-link {
  color: var(--red);
}
.repo-link:hover,
.live-link:hover {
  text-decoration: underline;
}
.view-all-link {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}
.view-all-link:hover {
  color: var(--blue-deep);
  border-color: var(--blue-deep);
}