:root {
  --ink: #16202b;
  --muted: #5c6876;
  --subtle: #e6edf1;
  --paper: #f4f7f8;
  --surface: #fbfcfc;
  --surface-strong: #ffffff;
  --green: #14795f;
  --blue: #255f93;
  --amber: #b7791f;
  --line: rgba(24, 32, 47, 0.13);
  --shadow: 0 24px 70px rgba(19, 32, 43, 0.12);
  --radius: 8px;
  --layout: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(37, 95, 147, 0.11), transparent 34rem),
    radial-gradient(circle at top right, rgba(20, 121, 95, 0.1), transparent 32rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(244, 247, 248, 0.96)),
    var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(24, 32, 47, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 32, 47, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 20;
  background: var(--ink);
  color: white;
  padding: 10px 14px;
  border-radius: var(--radius);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.layout {
  width: var(--layout);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(24, 32, 47, 0.1);
  background: rgba(244, 247, 248, 0.86);
  backdrop-filter: blur(18px);
}

.nav {
  width: var(--layout);
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--ink), #24495f);
  color: white;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a,
.language-button,
.filter-button {
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav-links a {
  padding: 9px 11px;
}

.nav-links a:hover,
.language-button:hover,
.filter-button:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.68);
  border-color: var(--line);
}

.language-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.64);
}

.language-button {
  min-width: 42px;
  min-height: 36px;
}

.language-button.is-active,
.filter-button.is-active {
  color: white;
  background: var(--ink);
  border-color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.section-band {
  padding: 86px 0;
}

.section-compact {
  padding: 74px 0;
}

.muted {
  border-block: 1px solid rgba(24, 32, 47, 0.08);
  background: rgba(255, 255, 255, 0.46);
}

.hero {
  min-height: min(820px, calc(100vh - 72px));
  display: flex;
  align-items: center;
  padding-top: 54px;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.55fr);
  align-items: center;
  gap: 56px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 940px;
  font-size: clamp(2.45rem, 6vw, 5.25rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.55rem);
}

h3 {
  font-size: 1.08rem;
}

.hero-lead,
.section-heading > p,
.inline-heading > p,
.contact-layout p {
  max-width: 740px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-lead {
  margin: 24px 0 0;
  font-size: clamp(1.04rem, 2vw, 1.24rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius);
  padding: 12px 17px;
  font-weight: 850;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--ink), #24495f);
  color: white;
  box-shadow: var(--shadow);
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.trust-strip span {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  padding: 9px 11px;
  color: var(--muted);
  font-weight: 800;
  font-size: 0.92rem;
}

.profile-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.profile-photo {
  position: relative;
  aspect-ratio: 1 / 1;
  background:
    linear-gradient(135deg, rgba(20, 121, 95, 0.18), rgba(37, 95, 147, 0.16)),
    var(--surface);
}

.profile-photo::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: 3;
  height: 34%;
  background: linear-gradient(to top, rgba(22, 32, 43, 0.38), transparent);
  pointer-events: none;
}

.profile-photo img,
.photo-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.profile-photo img {
  object-fit: cover;
  display: block;
  z-index: 2;
}

.photo-fallback {
  display: grid;
  place-items: center;
  color: var(--ink);
  font-size: clamp(4rem, 13vw, 7rem);
  font-weight: 950;
  letter-spacing: 0;
}

.profile-photo.no-photo img {
  display: none;
}

.profile-summary {
  padding: 24px;
}

.profile-role {
  margin: 0 0 7px;
  color: var(--green);
  font-weight: 900;
}

.profile-summary p:last-child {
  margin: 0;
  color: var(--muted);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

.profile-stats div {
  padding: 18px 14px;
  border-right: 1px solid var(--line);
}

.profile-stats div:last-child {
  border-right: 0;
}

.profile-stats dt {
  color: var(--ink);
  font-size: 1.28rem;
  line-height: 1;
  font-weight: 950;
}

.profile-stats dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

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

.inline-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.62fr);
  gap: 34px;
  align-items: end;
}

.value-grid,
.work-grid,
.education-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.value-card,
.work-card,
.education-card,
.skill-item,
.timeline-item,
.contact-link {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.value-card,
.work-card {
  min-height: 220px;
  padding: 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.value-card:hover,
.work-card:hover,
.education-card:hover,
.skill-item:hover {
  transform: translateY(-3px);
  border-color: rgba(40, 95, 159, 0.34);
  box-shadow: 0 18px 48px rgba(24, 32, 47, 0.1);
}

.card-number,
.work-type,
.cert-category {
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.value-card h3,
.work-card h3,
.education-card h3 {
  margin-top: 18px;
}

.value-card p,
.work-card p,
.education-card p,
.timeline-body p {
  color: var(--muted);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.filter-button {
  min-height: 38px;
  padding: 7px 11px;
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.skill-cloud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.skill-item {
  min-height: 78px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 15px;
  background: linear-gradient(180deg, #ffffff, rgba(255, 255, 255, 0.78));
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.skill-item h3 {
  font-size: 0.98rem;
}

.skill-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.item-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.icon-fallback {
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(24, 32, 47, 0.14);
  border-radius: 7px;
  background: rgba(37, 95, 147, 0.08);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 28px;
  padding: 24px;
  background: linear-gradient(180deg, #ffffff, rgba(255, 255, 255, 0.82));
}

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

.timeline-meta span {
  display: block;
  margin-bottom: 7px;
  font-size: 0.9rem;
}

.timeline-meta strong {
  color: var(--ink);
}

.timeline-body p {
  margin: 11px 0 0;
}

.cert-timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: 22px;
}

.cert-timeline::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 18px;
  left: 145px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(20, 121, 95, 0.74), rgba(40, 95, 159, 0.18));
}

.cert-timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 118px 54px minmax(0, 1fr);
  gap: 0 18px;
  align-items: start;
  padding-bottom: 18px;
}

.cert-timeline-item:last-child {
  padding-bottom: 0;
}

.cert-timeline-date {
  display: grid;
  justify-items: end;
  gap: 4px;
  padding-top: 16px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.cert-timeline-date time {
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 950;
  text-transform: none;
}

.cert-timeline-node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin: 18px auto 0;
  border: 4px solid #ffffff;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 1px rgba(20, 121, 95, 0.26), 0 10px 22px rgba(20, 121, 95, 0.18);
}

.cert-timeline-card {
  min-height: 180px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, rgba(255, 255, 255, 0.84));
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.cert-timeline-card:hover {
  transform: translateY(-2px);
  border-color: rgba(40, 95, 159, 0.32);
  box-shadow: 0 18px 46px rgba(24, 32, 47, 0.1);
}

.cert-timeline-item.is-current .cert-timeline-card {
  border-color: rgba(20, 121, 95, 0.38);
  background: linear-gradient(180deg, rgba(236, 249, 244, 0.96), #ffffff);
}

.cert-timeline-item.is-current .cert-timeline-node {
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(40, 95, 159, 0.12), 0 10px 22px rgba(40, 95, 159, 0.2);
}

.cert-timeline-card-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.cert-timeline-card h3 {
  margin-top: 8px;
  max-width: 760px;
  font-size: 1.08rem;
  line-height: 1.28;
}

.cert-timeline-card > p {
  margin-top: 13px;
  color: var(--muted);
}

.cert-credential-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid rgba(40, 95, 159, 0.22);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(40, 95, 159, 0.07);
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 900;
  text-decoration: none;
}

.cert-credential-link:hover {
  border-color: rgba(40, 95, 159, 0.42);
  background: rgba(40, 95, 159, 0.11);
}

.cert-timeline-card .issuer {
  margin-top: 8px;
  font-size: 0.9rem;
}

.cert-timeline-card .tag-row {
  margin-top: 14px;
}

.cert-timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.cert-timeline-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid rgba(24, 32, 47, 0.09);
  border-radius: 999px;
  padding: 4px 9px;
  background: rgba(244, 247, 248, 0.84);
}

.cert-timeline-meta strong {
  margin-right: 4px;
  color: var(--ink);
}

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

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

.education-card {
  min-height: 180px;
  padding: 22px;
  background: linear-gradient(180deg, #ffffff, rgba(255, 255, 255, 0.82));
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.education-meta {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
}

.education-meta strong {
  color: var(--ink);
}

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

.work-card {
  min-height: 260px;
}

.work-impact {
  margin-top: 14px;
  border-left: 3px solid rgba(20, 121, 95, 0.5);
  padding-left: 12px;
  color: var(--ink) !important;
  font-weight: 780;
}

.issuer {
  margin: 9px 0 0;
  color: var(--blue) !important;
  font-weight: 850;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid rgba(24, 32, 47, 0.1);
  border-radius: var(--radius);
  background: rgba(244, 247, 248, 0.82);
  padding: 4px 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.contact-band {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at top left, rgba(20, 121, 95, 0.23), transparent 34rem),
    linear-gradient(135deg, var(--ink), #1d3343);
  color: white;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.52fr);
  gap: 40px;
  align-items: center;
}

.contact-layout .eyebrow,
.contact-layout p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-actions {
  display: grid;
  gap: 10px;
}

.contact-link {
  display: block;
  padding: 18px;
  color: white;
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.14);
  text-decoration: none;
}

.contact-link span {
  display: block;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.84rem;
  font-weight: 850;
}

.contact-link strong {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
}

.footer {
  border-top: 1px solid rgba(24, 32, 47, 0.08);
  background: var(--paper);
}

.footer-layout {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer a {
  font-weight: 850;
  text-decoration: none;
}

@media (max-width: 1060px) {
  .nav-links {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 76px;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 12px;
  }

  .nav-toggle {
    display: block;
    order: 2;
  }

  .language-switch {
    margin-left: auto;
    order: 1;
  }

  .hero-layout,
  .inline-heading,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .cert-timeline::before {
    left: 119px;
  }

  .cert-timeline-item {
    grid-template-columns: 92px 44px minmax(0, 1fr);
  }

  .profile-panel {
    max-width: 520px;
  }

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

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

@media (max-width: 720px) {
  :root {
    --layout: min(100vw - 28px, 1180px);
  }

  .nav {
    min-height: 66px;
    gap: 10px;
  }

  .brand span:last-child {
    display: none;
  }

  .section-band,
  .section-compact {
    padding: 52px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 4.6rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .value-grid,
  .skill-cloud,
  .education-grid,
  .work-grid,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .cert-timeline {
    margin-top: 18px;
  }

  .cert-timeline::before {
    top: 8px;
    bottom: 16px;
    left: 8px;
  }

  .cert-timeline-item {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 0 12px;
    padding-bottom: 16px;
  }

  .cert-timeline-date {
    grid-column: 2;
    display: flex;
    justify-content: flex-start;
    justify-items: start;
    gap: 8px;
    padding-top: 0;
    margin-bottom: 8px;
  }

  .cert-timeline-node {
    grid-column: 1;
    grid-row: 1 / span 2;
    width: 16px;
    height: 16px;
    margin: 3px 0 0;
    border-width: 3px;
  }

  .cert-timeline-card {
    grid-column: 2;
    min-height: auto;
    padding: 16px;
  }

  .cert-timeline-card-head {
    flex-direction: column;
    gap: 12px;
  }

  .cert-credential-link {
    width: 100%;
    justify-content: center;
  }

  .profile-stats {
    grid-template-columns: 1fr;
  }

  .profile-stats div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .profile-stats div:last-child {
    border-bottom: 0;
  }

  .timeline-item,
  .value-card,
  .education-card,
  .work-card {
    padding: 18px;
  }

  .footer-layout {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}