:root {
  --bg: #08141a;
  --bg-2: #10232d;
  --surface: rgba(8, 20, 26, 0.72);
  --surface-strong: rgba(8, 20, 26, 0.9);
  --border: rgba(255, 255, 255, 0.1);
  --text: #ecf7f8;
  --muted: rgba(236, 247, 248, 0.72);
  --accent: #38d3b0;
  --accent-2: #f7b554;
  --accent-3: #28a5e2;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 28px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Manrope, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 211, 176, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(247, 181, 84, 0.12), transparent 28%),
    linear-gradient(180deg, #050d11 0%, #08141a 40%, #0a1a21 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  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: 80px 80px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.55), transparent 85%);
  opacity: .4;
  z-index: -1;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 110px 0;
}

.section--muted {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.04));
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.eyebrow {
  margin: 0 0 14px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 700;
  color: var(--accent);
}

h1, h2, h3, h4, p {
  margin-top: 0;
}

h1, h2, h3, h4 {
  font-family: Sora, Manrope, sans-serif;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.4rem);
  line-height: .98;
  letter-spacing: -0.05em;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(2rem, 3vw, 3.3rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.2;
  margin-bottom: 10px;
}

.lead,
.section-lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 65ch;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 16px;
  z-index: 9999;
  background: #fff;
  color: #000;
  padding: 12px 16px;
  border-radius: 12px;
}
.skip-link:focus {
  left: 16px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(4, 10, 20, 0.82);
  backdrop-filter: blur(18px);
  border-bottom-color: rgba(255,255,255,0.08);
}

.nav-shell {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.brand__mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #09111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  box-shadow: 0 10px 30px rgba(71,215,255,.22);
}
.brand__text strong,
.brand__text small {
  display: block;
}
.brand__text strong {
  font-size: 1rem;
}
.brand__text small {
  color: var(--muted);
  font-size: .82rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav a {
  color: var(--muted);
  font-size: .95rem;
  position: relative;
  padding: 10px 0;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav a:hover,
.nav a.active {
  color: var(--text);
}
.nav a:hover::after,
.nav a.active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-direction: column;
  cursor: pointer;
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 10px;
  background: currentColor;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(8,20,26,0.88), rgba(8,20,26,0.50)),
    url("../img/bgpic.jpeg") center/cover no-repeat;
  padding-top: 110px;
  overflow: hidden;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 20%, rgba(71,215,255,.14), transparent 24%),
              radial-gradient(circle at 80% 15%, rgba(124,92,255,.16), transparent 24%),
              linear-gradient(180deg, rgba(7,16,29,.18), rgba(7,16,29,.28));
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 42px;
  align-items: center;
}

.hero__copy,
.hero__panel,
.split,
.contact-grid {
  position: relative;
  z-index: 1;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 18px;
  border: 1px solid transparent;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.button:hover {
  transform: translateY(-2px);
}
.button--primary {
  color: #07101d;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  box-shadow: 0 16px 30px rgba(71, 215, 255, .18);
}
.button--secondary {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
}
.button--ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.1);
  color: var(--text);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.stat-card,
.glass-card,
.service-card,
.skill-group,
.project-card,
.timeline-item,
.media-frame,
.contact-art {
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  backdrop-filter: blur(16px);
}
.stat-card {
  border-radius: 22px;
  padding: 18px 18px 16px;
}
.stat-card strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card span {
  color: var(--muted);
  font-size: .95rem;
}

.hero__panel {
  display: grid;
  gap: 16px;
}
.glass-card {
  border-radius: var(--radius);
  padding: 28px;
}
.glass-card--large h2 {
  font-size: 2rem;
}
.panel-kicker,
.mini-card__label,
.project-tag,
.project-meta {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .74rem;
}
.panel-kicker {
  color: var(--accent);
  margin-bottom: 12px;
}

.stack-cloud,
.chips,
.contact-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.stack-cloud {
  margin-top: 20px;
}
.stack-cloud span,
.chips span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
  font-size: .92rem;
}
.hero__mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.mini-card {
  padding: 18px;
}
.mini-card strong {
  display: block;
  font-size: 1rem;
  line-height: 1.35;
}

.split {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 36px;
  align-items: center;
}
.media-frame {
  position: relative;
  border-radius: 34px;
  overflow: hidden;
  min-height: 620px;
}
.media-frame img,
.contact-art img,
.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.content-block {
  padding: 8px 0;
}
.content-block p {
  color: var(--muted);
  font-size: 1.02rem;
}
.checklist {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.checklist div {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}

.cards-grid {
  display: grid;
  gap: 18px;
}
.cards-grid--services {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-grid--certs {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.service-card,
.skill-group {
  border-radius: 24px;
  padding: 24px;
}
.service-card p,
.skill-group p {
  color: var(--muted);
  margin-bottom: 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 18px;
}
.skill-group--wide {
  grid-column: 1 / -1;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.project-card {
  border-radius: 28px;
  overflow: hidden;
}
.project-card img {
  aspect-ratio: 4 / 3;
}
.project-card__body {
  padding: 22px;
}
.project-tag {
  display: inline-block;
  color: var(--accent);
  margin-bottom: 12px;
}
.project-card p {
  color: var(--muted);
  margin-bottom: 14px;
}
.project-meta {
  color: rgba(255,255,255,0.56);
}

.timeline {
  display: grid;
  gap: 16px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: start;
  padding: 22px 24px;
  border-radius: 24px;
}
.timeline-item__date {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .8rem;
}
.timeline-item__content p {
  color: var(--muted);
  margin-bottom: 0;
}

.contact-section {
  background:
    linear-gradient(180deg, rgba(7,16,29,0.7), rgba(7,16,29,0.9)),
    url("../img/contact-bg.jpg") center/cover no-repeat;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 22px;
  align-items: center;
}
.contact-copy {
  padding: 8px 0;
}
.contact-points {
  margin: 28px 0;
}
.contact-points a {
  padding: 12px 15px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
}
.hero__actions--contact {
  margin-bottom: 0;
}
.contact-art {
  border-radius: 32px;
  overflow: hidden;
  min-height: 460px;
}

.site-footer {
  padding: 28px 0 36px;
}
.footer-shell {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
}
.footer-shell a {
  color: var(--text);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero__grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .project-grid,
  .cards-grid--services,
  .cards-grid--certs,
  .skills-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (max-width: 780px) {
  .section {
    padding: 84px 0;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav {
    position: absolute;
    top: 84px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border-radius: 24px;
    background: rgba(4, 10, 20, 0.96);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav a {
    padding: 14px 10px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav a:last-child {
    border-bottom: 0;
  }
  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 90px;
  }
  .hero__stats,
  .hero__mini-grid,
  .project-grid,
  .cards-grid--services,
  .cards-grid--certs,
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .timeline-item {
    grid-template-columns: 1fr;
  }
  .footer-shell {
    flex-direction: column;
    align-items: flex-start;
  }
  .media-frame,
  .contact-art {
    min-height: 360px;
  }
}

/* 2026 portfolio additions */
.impact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:12px}.impact-card{padding:26px;border:1px solid var(--border);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));box-shadow:var(--shadow)}.impact-card strong{display:block;font:700 2.35rem Sora,sans-serif;color:var(--accent);margin-bottom:7px}.impact-card h3{margin-bottom:7px}.impact-card p{color:var(--muted);font-size:.88rem;margin:0}
.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.article-card{display:flex;flex-direction:column;min-height:245px;padding:25px;border:1px solid var(--border);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));transition:.22s ease}.article-card:hover,.open-card:hover{transform:translateY(-3px);border-color:rgba(56,211,176,.35)}.article-card--featured{grid-column:1/-1;min-height:230px;background:linear-gradient(135deg,rgba(56,211,176,.09),rgba(40,165,226,.05))}.article-card span,.open-card span{font:500 .68rem "DM Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.article-card h3{margin:12px 0 10px;font-size:1.35rem}.article-card p{color:var(--muted);font-size:.9rem}.article-card b,.open-card b{margin-top:auto;color:var(--text);font-size:.76rem}.open-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.open-card{display:flex;flex-direction:column;min-height:220px;padding:25px;border:1px solid var(--border);border-radius:24px;background:#0c131c;transition:.22s ease}.open-card h3{margin:12px 0 9px}.open-card p{color:var(--muted);font-size:.86rem}.center-link{margin-top:28px;text-align:center}@media(max-width:900px){.impact-grid,.open-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.impact-grid,.article-grid,.open-grid{grid-template-columns:1fr}.article-card--featured{grid-column:auto}}

/* GitHub showcase enhancements */
.open-card--featured {
  grid-column: span 1;
  min-height: 290px;
}
.open-card--featured h3 {
  font-size: 1.35rem;
}
.open-card--featured p {
  max-width: 52ch;
}
@media (min-width: 980px) {
  .open-card--featured {
    min-height: 315px;
  }
}


/* Senior-engineer portfolio polish: accessibility, mobile ergonomics, and performance */
html {
  scroll-padding-top: 96px;
}

section[id] {
  scroll-margin-top: 96px;
}

:focus-visible {
  outline: 3px solid var(--accent-2);
  outline-offset: 4px;
}

.nav-toggle:focus-visible,
.button:focus-visible,
.nav a:focus-visible,
.contact-points a:focus-visible,
.article-card:focus-visible,
.open-card:focus-visible {
  outline: 3px solid var(--accent-2);
  outline-offset: 4px;
}

@media (max-width: 780px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .section {
    padding: 72px 0;
  }

  h1 {
    font-size: clamp(2.55rem, 10vw, 4rem);
    line-height: 1.02;
  }

  h2 {
    font-size: clamp(1.9rem, 8vw, 2.8rem);
    line-height: 1.08;
  }

  .lead,
  .section-lead {
    font-size: 1rem;
  }

  .nav {
    max-height: calc(100dvh - 104px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-bottom: max(14px, env(safe-area-inset-bottom));
  }

  .nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .button {
    min-height: 48px;
  }

  .contact-points a {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
  }

  .open-card,
  .article-card,
  .service-card,
  .skill-group,
  .project-card,
  .timeline-item {
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .stat-card,
  .glass-card,
  .service-card,
  .skill-group,
  .project-card,
  .timeline-item,
  .media-frame,
  .contact-art,
  .article-card,
  .open-card {
    backdrop-filter: none;
    background: var(--surface-strong);
  }
}

@media (max-width: 480px) {
  .brand {
    gap: 10px;
  }

  .brand__mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
  }

  .brand__text strong {
    font-size: 0.95rem;
  }

  .brand__text small {
    font-size: 0.76rem;
  }

  .hero__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-card strong {
    font-size: 1.75rem;
  }

  .glass-card {
    padding: 22px;
  }
}


/* 2026 accessibility, mobile UX and recruiter-readability pass */
html { scroll-padding-top: 92px; }
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
  border-radius: 8px;
}
.nav-toggle { min-width: 48px; min-height: 48px; }
.nav a, .button, .contact-points a { min-height: 44px; }
.project-card__body { min-height: 220px; display: flex; flex-direction: column; }
.project-card__body p { flex: 1; }
.project-meta { line-height: 1.5; }
.article-card, .open-card, .service-card, .skill-group, .impact-card, .timeline-item, .stat-card {
  content-visibility: auto;
  contain-intrinsic-size: 300px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}
@media (max-width: 680px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .section { padding: 72px 0; }
  h1 { font-size: clamp(2.55rem, 12vw, 4rem); }
  h2 { font-size: clamp(1.85rem, 9vw, 2.6rem); }
  .lead, .section-lead { font-size: 1rem; }
  .hero__actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero__stats { gap: 10px; }
  .stat-card { padding: 16px; }
  .stat-card strong { font-size: 1.8rem; }
  .glass-card { padding: 22px; }
  .glass-card--large h2 { font-size: 1.55rem; }
  .media-frame, .contact-art { min-height: 280px; }
  .project-card img { display: none; }
  .project-card__body { min-height: 0; padding: 22px; }
  .project-card { border-radius: 22px; }
  .contact-points { display: grid; grid-template-columns: 1fr; }
  .contact-points a { display: flex; align-items: center; }
}


/* Systems + experience storytelling */
.timeline-item--featured {
  background: linear-gradient(135deg, rgba(56, 211, 176, 0.10), rgba(40, 165, 226, 0.045));
  border-color: rgba(56, 211, 176, 0.16);
}
.timeline-item__content > .project-tag {
  margin-bottom: 12px;
}
.experience-projects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.experience-project {
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  background: rgba(255,255,255,0.045);
}
.experience-project h4 {
  margin: 4px 0 8px;
  font-size: 1.05rem;
}
.experience-project p {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: .88rem;
}
.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.system-card {
  display: flex;
  flex-direction: column;
  min-height: 255px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  box-shadow: var(--shadow);
  transition: transform .22s ease, border-color .22s ease;
}
.system-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56,211,176,.35);
}
.system-card--featured {
  grid-column: span 2;
  min-height: 290px;
  background: linear-gradient(135deg, rgba(56,211,176,.10), rgba(40,165,226,.05));
}
.system-card__eyebrow {
  color: var(--accent);
  font: 500 .68rem "DM Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.system-card h3 {
  margin: 11px 0 10px;
}
.system-card p {
  color: var(--muted);
  font-size: .88rem;
}
.system-card b,
.system-card a {
  margin-top: auto;
  color: var(--text);
  font-size: .76rem;
}
.system-card a {
  color: var(--accent);
}
@media (max-width: 920px) {
  .experience-projects,
  .system-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .system-card--featured {
    grid-column: span 2;
  }
}
@media (max-width: 680px) {
  .experience-projects,
  .system-grid {
    grid-template-columns: 1fr;
  }
  .system-card--featured {
    grid-column: auto;
  }
  .system-card {
    min-height: 0;
  }
  .timeline-item--featured {
    padding: 20px;
  }
}


/* Re-audit polish: prevent hero metric wrapping on narrow mobile widths. */
.stat-card strong {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 360px) {
  .stat-card strong {
    font-size: 1.65rem;
    letter-spacing: -0.02em;
  }

  .stat-card span {
    line-height: 1.4;
    font-size: 0.84rem;
  }
}

/* Public architecture case study. */
.system-card--case-study {
  grid-column: span 1;
}

.case-study {
  margin: 4px 0 18px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 14px;
}

.case-study summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 700;
  list-style-position: inside;
}

.case-study summary:focus-visible {
  outline: 3px solid var(--accent-2);
  outline-offset: 4px;
  border-radius: 8px;
}

.case-study__content {
  margin-top: 16px;
}

.architecture-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.architecture-flow > span {
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  background: rgba(255,255,255,.045);
  color: var(--text);
  text-align: center;
  font-size: .78rem;
}

.architecture-flow > i {
  color: var(--accent);
  font-style: normal;
  font-weight: 800;
}

.architecture-flow small {
  color: var(--muted);
  font-weight: 500;
}

.architecture-flow__strong {
  border-color: rgba(56,211,176,.28) !important;
  background: rgba(56,211,176,.07) !important;
}

.case-study__notes {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.case-study__notes p {
  margin: 0;
  color: var(--muted);
  font-size: .78rem;
}

@media (max-width: 680px) {
  .architecture-flow {
    justify-content: flex-start;
  }

  .architecture-flow > i {
    display: none;
  }
}