:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-elevated: #0b1728;
  --bg-soft: #101f32;
  --surface: rgba(15, 31, 50, 0.76);
  --surface-solid: #0f1f32;
  --line: rgba(151, 176, 205, 0.18);
  --line-strong: rgba(89, 224, 190, 0.42);
  --text: #eef7ff;
  --text-soft: #a8bbcc;
  --accent: #59e0be;
  --accent-deep: #23b995;
  --accent-blue: #6bb9ff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  --radius: 22px;
  --max: 1180px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 8%, rgba(58, 139, 177, 0.14), transparent 28rem),
    radial-gradient(circle at 18% 30%, rgba(35, 185, 149, 0.08), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: #03120d;
  font-weight: 750;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgba(7, 17, 31, 0.78);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 35px rgba(0, 0, 0, 0.2);
}

.nav-shell,
.section,
.site-footer {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(89, 224, 190, 0.16), rgba(107, 185, 255, 0.06));
  color: var(--accent);
  font: 700 0.86rem/1 var(--font-mono);
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  line-height: 1.3;
}

.brand-copy strong {
  font-size: 0.94rem;
  letter-spacing: 0.02em;
}

.brand-copy span {
  color: var(--text-soft);
  font-size: 0.875rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(15px, 2vw, 28px);
}

.site-nav a {
  position: relative;
  color: var(--text-soft);
  font-size: 0.84rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 160ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 2px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
}

.site-nav a.active::after,
.site-nav a:hover::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  border-radius: 1px;
  background: currentColor;
  transition: transform 160ms ease, opacity 160ms ease;
}

.section {
  padding-block: clamp(88px, 11vw, 150px);
}

.section-toned {
  position: relative;
}

.section-toned::before {
  position: absolute;
  inset: 24px 50% 24px;
  z-index: -1;
  width: 100vw;
  background: linear-gradient(120deg, rgba(16, 31, 50, 0.7), rgba(7, 17, 31, 0.28));
  border-block: 1px solid var(--line);
  content: "";
  transform: translateX(-50%);
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-content: center;
  gap: 56px;
  padding-top: clamp(70px, 9vw, 118px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(290px, 0.7fr);
  align-items: center;
  gap: clamp(42px, 7vw, 100px);
}

.eyebrow,
.section-number,
.entry-label,
.credential-status,
.project-type {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(2.7rem, 6.4vw, 5.65rem);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero h1 {
  max-width: 14ch;
}

.hero-summary {
  max-width: 690px;
  margin: 30px 0 0;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 19px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #041711;
}

.button-primary:hover {
  background: #7aebcf;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--line-strong);
  background: rgba(89, 224, 190, 0.06);
}

.status-panel {
  position: relative;
  padding: 27px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(18, 39, 61, 0.94), rgba(10, 23, 39, 0.92));
  box-shadow: var(--shadow);
}

.status-panel::after {
  position: absolute;
  top: -70px;
  right: -70px;
  width: 170px;
  height: 170px;
  border: 1px solid rgba(89, 224, 190, 0.18);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 28px rgba(89, 224, 190, 0.035), 0 0 0 56px rgba(89, 224, 190, 0.02);
}

.status-heading {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  font: 700 0.75rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(89, 224, 190, 0.1);
}

.status-panel dl {
  margin: 0;
}

.status-panel dl > div {
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.status-panel dt {
  margin-bottom: 3px;
  color: var(--text-soft);
  font-size: 0.875rem;
}

.status-panel dd {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 650;
}

.capability-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font: 650 0.72rem/1.4 var(--font-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 900px;
  margin-bottom: clamp(48px, 7vw, 78px);
}

.section-heading h2,
.contact-copy h2 {
  font-size: clamp(2.25rem, 5vw, 4.4rem);
  line-height: 1.04;
}

.section-heading-row {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
}

.section-intro {
  max-width: 470px;
  margin: 0;
  color: var(--text-soft);
}

.about-layout {
  display: grid;
  grid-template-columns: 255px minmax(0, 1fr);
  gap: clamp(44px, 8vw, 108px);
}

.about-index {
  position: sticky;
  top: 118px;
  align-self: start;
  display: grid;
  border-left: 1px solid var(--line);
}

.about-index a {
  padding: 8px 0 8px 18px;
  color: var(--text-soft);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease;
}

.about-index a:hover {
  color: var(--accent);
}

.about-content {
  display: grid;
  gap: 58px;
}

.about-entry {
  max-width: 760px;
  scroll-margin-top: 110px;
}

.about-entry p:not(.entry-label) {
  margin: 0;
  color: #c7d5e2;
  font-size: 1.02rem;
}

.about-entry p + p {
  margin-top: 18px !important;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-card,
.credential-card {
  position: relative;
  padding: clamp(24px, 4vw, 38px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(15, 31, 50, 0.78), rgba(8, 19, 33, 0.9));
  transition: transform 180ms ease, border-color 180ms ease;
}

.project-card:hover,
.credential-card:hover {
  border-color: rgba(89, 224, 190, 0.35);
  transform: translateY(-4px);
}

.project-card-featured {
  background: linear-gradient(145deg, rgba(19, 47, 65, 0.96), rgba(10, 27, 43, 0.96));
}

.project-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 35px;
}

.project-number {
  color: rgba(238, 247, 255, 0.26);
  font: 700 1.65rem/1 var(--font-mono);
}

.project-type {
  margin: 0;
  font-size: 0.8125rem;
}

.project-card h3,
.timeline-item h3,
.credential-card h3,
.resume-sidebar h3 {
  margin: 0 0 13px;
  font-size: clamp(1.25rem, 2.3vw, 1.72rem);
  line-height: 1.25;
}

.project-card > p {
  margin: 0;
  color: var(--text-soft);
}

.tag-list,
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 25px 0;
  list-style: none;
}

.tag-list li,
.skill-list li {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: #c9d8e4;
  font: 650 0.7rem/1.4 var(--font-mono);
}

.project-detail {
  padding-top: 19px;
  border-top: 1px solid var(--line);
}

.project-detail span {
  color: var(--accent);
  font: 700 0.8125rem/1.3 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-detail p {
  margin: 7px 0 0;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.print-button {
  flex: none;
}

.resume-intro {
  max-width: 850px;
  margin-bottom: 45px;
  color: var(--text-soft);
}

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

.resume-name {
  color: var(--text);
  font-weight: 650;
  overflow-wrap: anywhere;
}

.resume-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(270px, 0.72fr);
  gap: clamp(45px, 8vw, 105px);
}

.resume-main {
  display: grid;
  gap: 4px;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 28px;
  padding: 0 0 45px 28px;
  border-left: 1px solid var(--line);
}

.timeline-marker {
  position: absolute;
  top: 7px;
  left: -5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--bg-soft);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(89, 224, 190, 0.13);
}

.timeline-date {
  color: var(--text-soft);
  font: 700 0.8125rem/1.5 var(--font-mono);
}

.timeline-item .entry-label {
  margin-bottom: 8px;
  font-size: 0.8125rem;
}

.timeline-item ul {
  padding-left: 18px;
  margin: 16px 0 0;
  color: var(--text-soft);
}

.timeline-item li + li {
  margin-top: 8px;
}

.resume-sidebar {
  align-self: start;
  padding: 29px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, 0.56);
}

.sidebar-block + .sidebar-block {
  padding-top: 27px;
  margin-top: 27px;
  border-top: 1px solid var(--line);
}

.sidebar-block h3 {
  margin-top: 18px;
  margin-bottom: 4px;
  font-size: 1rem;
}

.sidebar-block p {
  margin: 3px 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.sidebar-block .muted {
  color: #7f94a8;
  font-size: 0.8125rem;
}

.skill-list {
  margin-bottom: 0;
}

.credential-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px;
}

.credential-card {
  min-height: 225px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.credential-card::before {
  position: absolute;
  top: 28px;
  left: 30px;
  width: 42px;
  height: 4px;
  border-radius: 3px;
  background: var(--accent);
  content: "";
}

.credential-card-primary {
  border-color: rgba(89, 224, 190, 0.35);
  background: linear-gradient(145deg, rgba(24, 66, 74, 0.74), rgba(10, 27, 43, 0.96));
}

.credential-card .credential-status {
  margin-bottom: 11px;
  font-size: 0.8125rem;
}

.credential-card h3 {
  font-size: 1.18rem;
}

.credential-card > p:last-child {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.in-progress-note {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
  padding: 18px 21px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.018);
}

.in-progress-note span {
  flex: none;
  padding: 4px 9px;
  border-radius: 99px;
  background: rgba(107, 185, 255, 0.12);
  color: var(--accent-blue);
  font: 700 0.68rem/1.4 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.in-progress-note p {
  margin: 0;
  color: var(--text-soft);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: clamp(50px, 9vw, 120px);
  align-items: start;
}

.contact-copy > p:not(.section-number) {
  max-width: 510px;
  margin: 25px 0 0;
  color: var(--text-soft);
}

.contact-details {
  display: grid;
  gap: 7px;
  margin-top: 32px;
}

.contact-details a,
.contact-details span {
  width: fit-content;
  color: #c9d8e4;
  text-decoration: none;
}

.contact-details a:hover {
  color: var(--accent);
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(15, 31, 50, 0.84), rgba(8, 19, 33, 0.94));
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: #c8d7e4;
  font-size: 0.875rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  background: rgba(2, 10, 19, 0.62);
  color: var(--text);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.contact-form input {
  min-height: 48px;
  padding: 0 13px;
}

.contact-form textarea {
  min-height: 140px;
  padding: 12px 13px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(89, 224, 190, 0.1);
}

.contact-form .button {
  justify-self: start;
}

.form-note {
  margin: -4px 0 0;
  color: #7f94a8;
  font-size: 0.8125rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 28px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 0.8rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  text-decoration: none;
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms ease;
}

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

:focus-visible {
  outline: 3px solid rgba(89, 224, 190, 0.5);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .hero-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .status-panel {
    max-width: 600px;
  }

  .about-layout,
  .resume-layout {
    grid-template-columns: 1fr;
  }

  .about-index {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px 18px;
  }

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

@media (max-width: 820px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 20px;
    left: 20px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: rgba(9, 21, 36, 0.98);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 150ms ease, transform 150ms ease;
  }

  .site-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 11px 10px;
    border-radius: 8px;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav a:hover,
  .site-nav a.active {
    background: rgba(89, 224, 190, 0.07);
    color: var(--accent);
  }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(4) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .section-heading-row {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .nav-shell,
  .section,
  .site-footer {
    width: min(calc(100% - 28px), var(--max));
  }

  .brand-copy span {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 78px;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 12.5vw, 4rem);
  }

  .capability-strip {
    justify-content: flex-start;
  }

  .about-index,
  .project-grid,
  .credential-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .about-index {
    display: none;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .in-progress-note,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer {
    gap: 7px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

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

@media print {
  :root {
    color-scheme: light;
  }

  body {
    background: white;
    color: #111827;
  }

  body::before,
  .site-header,
  #home,
  #about,
  #projects,
  #certifications,
  #contact,
  .site-footer,
  .print-button {
    display: none !important;
  }

  #resume {
    width: 100%;
    padding: 0;
  }

  #resume::before {
    display: none;
  }

  #resume .section-heading {
    margin-bottom: 30px;
  }

  .resume-intro {
    max-width: none;
    margin-bottom: 30px;
    color: #111827;
  }

  .resume-name {
    color: #111827;
  }

  #resume h2,
  #resume h3,
  #resume p,
  #resume li,
  #resume .entry-label,
  #resume .timeline-date {
    color: #111827;
  }

  .resume-layout {
    grid-template-columns: 2fr 1fr;
    gap: 35px;
  }

  .resume-sidebar {
    border-color: #d1d5db;
    background: white;
  }

  .tag-list li,
  .skill-list li {
    border-color: #d1d5db;
    color: #111827;
  }

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