:root {
  --color-black: #141414;
  --ink-black: #141414;
  --color-white: #f6f6f2;
  --color-yellow: #c79a00;
  --color-grey-1: #e9e9e3;
  --color-grey-2: #d6d6d6;
  --color-grey-3: #8a8a8a;

  --primary-color: var(--color-black);
  --secondary-color: var(--color-grey-3);
  --accent-color: var(--color-yellow);

  --text-color: var(--color-black);
  --muted-text-color: #6b6b6b;

  --bg-color: var(--color-white);
  --bg-elevated: #f0f0eb;
  --card-bg: #f0f0e8;
  --border-color: var(--color-black);

  --border-width: 2px;

  --transition: 140ms ease;

  --radius-lg: 0px;
  --radius-md: 0px;
  --radius-sm: 0px;
  --nav-height: 72px;

  --header-background: rgba(246, 246, 242, 0.98);
  --header-border-color: var(--border-color);
  --navbar-link-color: var(--text-color);
  --navbar-link-hover-color: var(--text-color);

  --overlay-scrim: rgba(0, 0, 0, 0.55);
  --mobile-nav-bg: var(--bg-elevated);

  --timeline-bg: var(--bg-elevated);
  --contact-form-bg: var(--bg-elevated);

  --input-bg: var(--bg-elevated);
  --input-text-color: var(--text-color);
  --input-border-color: var(--border-color);
  --input-label-color: var(--muted-text-color);

  --footer-background: var(--bg-color);
  --footer-border-color: var(--border-color);

  --btn-shadow: none;
  --btn-shadow-hover: none;
  --card-shadow: none;
  --hero-image-shadow: none;

  --back-to-top-background: var(--accent-color);
  --back-to-top-border-color: var(--border-color);

  /* ── Type scale ───────────────────────────── */
  --fs-xs:   0.72rem;
  --fs-sm:   0.80rem;
  --fs-base: 0.90rem;
  --fs-md:   1.00rem;
  --fs-lg:   1.05rem;
  --fs-xl:   1.10rem;

  /* ── Spacing scale ────────────────────────── */
  --sp-1:  0.25rem;
  --sp-2:  0.50rem;
  --sp-3:  0.75rem;
  --sp-4:  1.00rem;
  --sp-5:  1.25rem;
  --sp-6:  1.50rem;
  --sp-7:  2.00rem;
  --sp-8:  3.00rem;

  /* ── Letter-spacing scale ─────────────────── */
  --ls-tight:  -0.04em;
  --ls-body:    0.06em;
  --ls-ui:      0.12em;
  --ls-caps:    0.18em;

  /* ── Transitions ──────────────────────────── */
  --transition-slow: 200ms ease;

  /* ── Category tag accent colors ───────────── */
  --cat-cert:      var(--accent-color);
  --cat-courses:   #3b82f6;
  --cat-formation: #ec4899;
  --cat-visits:    #a855f7;
}

[data-theme="dark"] {
  --color-black: #f2f2f2;
  --color-white: #0a0a0a;
  --text-color: #f2f2f2;
  --muted-text-color: #cfcfcf;

  --bg-color: #0a0a0a;
  --bg-elevated: #1a1a1a;
  --card-bg: #242424;
  --border-color: #f2f2f2;

  --header-background: rgba(0, 0, 0, 0.92);
  --header-border-color: var(--border-color);
  --navbar-link-color: var(--text-color);
  --navbar-link-hover-color: var(--text-color);

  --overlay-scrim: rgba(0, 0, 0, 0.75);
  --mobile-nav-bg: var(--bg-elevated);

  --timeline-bg: var(--bg-elevated);
  --contact-form-bg: var(--bg-elevated);

  --input-bg: var(--bg-elevated);
  --input-text-color: var(--text-color);
  --input-border-color: var(--border-color);
  --input-label-color: var(--muted-text-color);

  --footer-background: var(--bg-color);
  --footer-border-color: var(--border-color);

  --back-to-top-background: var(--accent-color);
  --back-to-top-border-color: var(--border-color);

  --cat-courses:   #93c5fd;
  --cat-formation: #f9a8d4;
  --cat-visits:    #d8b4fe;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

::selection {
  background: var(--accent-color);
  color: var(--ink-black);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--bg-color);
  min-height: 100vh;
  transition: background-color var(--transition), color var(--transition);
}

.header {
  border-bottom-width: var(--border-width);
}

.card,
.btn,
.mobile-menu-toggle,
.mobile-nav-panel,
.theme-toggle,
.language-switcher button,
.certifications-sidebar,
.certifications-toolbar,
.cert-view-btn,
.cert-tag-btn,
.cert-modal-panel,
.cert-modal-header,
.cert-modal-footer,
.cert-list-item,
.cert-list-badge,
.projects-toolbar,
.projects-filter-btn,
.project-item,
.proj-modal-panel,
.proj-modal-header,
.proj-modal-footer,
.proj-modal-video,
.ws-item,
.ws-media,
.timeline-content,
.contact-form,
.form-group input,
.form-group textarea,
.form-group select,
.table,
.table th,
.table td,
pre,
.social-links a,
#back-to-top {
  border-width: var(--border-width);
}

.timeline::before {
  width: var(--border-width);
}

html {
  scroll-behavior: smooth;
}

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

section[id] {
  scroll-margin-top: var(--nav-height);
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

a:hover {
  background: var(--accent-color);
  color: var(--ink-black);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--accent-color);
  color: var(--ink-black);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--border-color);
  border-color: var(--ink-black);
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--header-background);
  border-bottom: 2px solid var(--header-border-color);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  gap: 1rem;
}

.logo {
  font-weight: 800;
  letter-spacing: var(--ls-ui);
  font-size: var(--fs-base);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--navbar-link-color);
  text-decoration: none;
}

.logo::before {
  content: '';
  width: 14px;
  height: 14px;
  background: var(--accent-color);
  border: 2px solid var(--border-color);
  border-color: var(--ink-black);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a {
  position: relative;
  text-decoration: none;
  color: var(--navbar-link-color);
  font-weight: 650;
  font-size: var(--fs-base);
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  padding: 0.35rem 0.15rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 3px;
  background: var(--accent-color);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
  background: transparent;
  color: var(--navbar-link-color);
  font-size: 1.2rem;
  cursor: pointer;
}

.mobile-menu-toggle:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 35;
  display: none;
  justify-content: flex-end;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.mobile-nav-panel {
  position: relative;
  margin-top: var(--nav-height);
  width: min(340px, 100%);
  background: var(--mobile-nav-bg);
  border-left: 2px solid var(--border-color);
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transform: translateY(-10px);
  transition: transform 0.22s ease;
}

.mobile-nav.open .mobile-nav-panel {
  transform: translateY(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-nav-links a {
  text-decoration: none;
  color: var(--navbar-link-color);
  font-weight: 650;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  padding: 0.45rem 0.1rem;
}

.mobile-nav-links a.active {
  background: var(--accent-color);
  color: var(--ink-black);
}

.mobile-nav-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border-top: 2px solid var(--border-color);
  padding-top: 1rem;
}

.theme-toggle {
  width: 44px;
  height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
  background: transparent;
  color: var(--text-color);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.theme-toggle:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.language-switcher {
  display: inline-flex;
  gap: 0.4rem;
}

.language-switcher button {
  background: transparent;
  border: 2px solid var(--border-color);
  padding: 0.35rem 0.45rem;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: var(--ls-body);
  text-transform: uppercase;
  color: var(--text-color);
}

.language-switcher button:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.language-switcher button.active {
  background: var(--text-color);
  color: var(--bg-color);
}

.hero-section {
  padding: 2.5rem 0 2rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 480px) minmax(0, 1fr);
  align-items: center;
  gap: 2rem;
}

.hero-image-container {
  display: flex;
  justify-content: flex-start;
}

.hero-image {
  width: min(440px, 100%);
  aspect-ratio: 4 / 5;
  height: auto;
  object-fit: cover;
  object-position: 50% 0%;
  border: 2px solid var(--border-color);
  filter: none;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 3vw, 2.9rem);
  font-weight: 850;
  letter-spacing: var(--ls-tight);
  margin-bottom: 0.75rem;
}

.hero-content h2 {
  font-size: var(--fs-base);
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--accent-color);
  color: var(--ink-black);
  margin-bottom: 1.25rem;
}

.hero-content p {
  max-width: 40rem;
  color: var(--muted-text-color);
  font-size: var(--fs-md);
}

.hero-cta {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-badges {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.badge-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.badge-label {
  font-size: var(--fs-sm);
  color: var(--muted-text-color);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: var(--ls-ui);
  min-width: 90px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.badge {
  padding: 0.3rem 0.55rem;
  border-radius: 0;
  font-size: var(--fs-sm);
  font-weight: 650;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 2px solid var(--border-color);
  background: transparent;
  color: var(--text-color);
  white-space: nowrap;
}

.badge-level {
  font-size: var(--fs-xs);
  padding: 0.08rem 0.3rem;
  border-radius: 0;
  border: 2px solid var(--border-color);
  border-color: var(--ink-black);
  background: var(--accent-color);
  color: var(--ink-black);
  font-weight: 800;
}

.badge-lang {
  background: var(--color-grey-1);
}

[data-theme="dark"] .badge-lang {
  background: #1f1f1f;
}

.badge-tool {
  background: transparent;
}

.card:hover .badge {
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.section {
  padding: 3rem 0;
}

.section.bg-light {
  background: var(--color-grey-1);
  border-top: 2px solid var(--border-color);
  border-bottom: 2px solid var(--border-color);
}

[data-theme="dark"] .section.bg-light {
  background: #080808;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.section-header.section-header-stack {
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.section-header.section-header-stack p {
  margin-top: 0.35rem;
  max-width: 52rem;
  color: var(--muted-text-color);
}

.section-header h2 {
  font-size: var(--fs-xl);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--text-color);
}

.section-header .btn-text {
  font-size: var(--fs-base);
  text-decoration: none;
  font-weight: 750;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  padding: 0.25rem 0.35rem;
  border: 2px solid transparent;
}

.section-header .btn-text:hover {
  border-color: var(--border-color);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0 0;
}

.card {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  overflow: hidden;
  transition: background-color var(--transition), color var(--transition);
}

.card:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.card:hover p {
  color: var(--ink-black);
}

.card-icon {
  width: 44px;
  height: 44px;
  border: 2px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.card h3 {
  margin-bottom: 0.5rem;
  font-size: var(--fs-lg);
  font-weight: 800;
}

.card p {
  font-size: var(--fs-base);
  color: var(--muted-text-color);
}

/* ── Skills overview (homepage category grid) ── */
.skills-overview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (min-width: 600px) {
  .skills-overview {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

.skill-group {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.skill-group-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  font-size: var(--fs-md);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: var(--ls-ui);
  color: var(--text-color);
}

.skill-group-title i {
  width: 1.4rem;
  text-align: center;
  color: var(--accent-color);
  font-size: 1rem;
}

.skill-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  padding: 0.3rem 0.6rem;
  font-size: var(--fs-sm);
  font-weight: 650;
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-color);
  transition: background-color var(--transition), color var(--transition),
    border-color var(--transition);
}

.skill-tag:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.2rem;
  border-radius: 0;
  text-decoration: none;
  font-weight: 800;
  font-size: var(--fs-base);
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
  background: transparent;
  color: var(--text-color);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.btn-primary:hover {
  background: var(--text-color);
  color: var(--accent-color);
  border-color: var(--border-color);
}

[data-theme="dark"] .btn-primary:hover {
  background: var(--bg-color);
  color: var(--accent-color);
}

.btn-secondary {
  background: var(--text-color);
  color: var(--bg-color);
}

.btn-secondary:hover {
  background: transparent;
  color: var(--text-color);
}

.btn-ghost {
  background: transparent;
}

.btn-ghost:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 14px;
  height: 14px;
  background: var(--accent-color);
  border: 2px solid var(--border-color);
  border-color: var(--ink-black);
}

.timeline-content {
  background: var(--timeline-bg);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
  position: relative;
}

.timeline-content h3 {
  font-size: var(--fs-md);
  font-weight: 800;
}

.timeline-content h4 {
  font-size: var(--fs-base);
  color: var(--muted-text-color);
  margin-top: 0.15rem;
}

.timeline-org {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.timeline-org h4 {
  margin-top: 0;
  flex: 1 1 auto;
}

.org-logo {
  height: 96px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  flex: 0 0 auto;
  align-self: flex-start;
}

.timeline-date {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  font-weight: 800;
  margin: 0.6rem 0 0.45rem;
  display: inline-block;
  padding: 0.2rem 0.4rem;
  border: 2px solid var(--border-color);
  border-color: var(--ink-black);
  background: var(--accent-color);
  color: var(--ink-black);
}

.timeline-group {
  margin-top: 1.75rem;
}

.timeline-group:first-of-type {
  margin-top: 0;
}

.timeline-group-title {
  font-size: var(--fs-base);
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  color: var(--muted-text-color);
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.ws-group {
  margin-top: 2.25rem;
}

.ws-group:first-of-type {
  margin-top: 0;
}

.ws-group-title {
  font-size: var(--fs-base);
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  color: var(--muted-text-color);
  margin-bottom: 1.25rem;
  font-weight: 850;
}

.ws-items {
  display: grid;
  gap: 1.5rem;
}

.ws-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  border: 2px solid var(--border-color);
  background: var(--bg-elevated);
  padding: 1.5rem;
}

.ws-item--flip .ws-item-text {
  order: 2;
}

.ws-item--flip .ws-item-media {
  order: 1;
}

.ws-item-text h3 {
  font-size: var(--fs-xl);
  font-weight: 900;
}

.ws-item-text h4 {
  font-size: var(--fs-base);
  color: var(--muted-text-color);
  margin-top: 0.25rem;
  font-weight: 800;
}

.ws-item-text p {
  color: var(--muted-text-color);
}

.ws-item-text .timeline-date {
  margin-top: 0.75rem;
}

.ws-item-text .timeline-date {
  color: var(--ink-black);
}

.ws-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 2px solid var(--border-color);
  background: var(--bg-color);
}

.ws-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.certifications-layout {
  display: grid;
  grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  gap: 2rem;
  margin-top: 2rem;
  align-items: start;
}

.certifications-sidebar {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.certifications-sidebar-title {
  font-size: var(--fs-base);
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  color: var(--muted-text-color);
  margin-bottom: 1rem;
  font-weight: 850;
}

.certifications-tag-filters {
  display: grid;
  gap: 0.6rem;
}

.certifications-filter-group {
  margin-top: 1rem;
}

.certifications-filter-title {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  color: var(--muted-text-color);
  margin-bottom: 0.75rem;
  font-weight: 850;
}

.certifications-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding: 0.9rem 1rem;
  background: var(--bg-elevated);
}

.certifications-view-toggle {
  display: inline-flex;
  gap: 0.6rem;
}

.cert-view-btn {
  border: 2px solid var(--border-color);
  background: transparent;
  padding: 0.55rem 0.8rem;
  font-weight: 850;
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  cursor: pointer;
  color: var(--text-color);
}

.cert-view-btn:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.cert-view-btn[aria-pressed="true"] {
  background: var(--text-color);
  color: var(--bg-color);
}

.certifications-sort {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.certifications-sort-label {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: var(--ls-ui);
  font-weight: 850;
  color: var(--muted-text-color);
}

.certifications-sort-select {
  border: 2px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-color);
  padding: 0.55rem 0.65rem;
  font-weight: 750;
}

.cert-tag-btn {
  width: 100%;
  background: transparent;
  border: 2px solid var(--border-color);
  padding: 0.55rem 0.65rem;
  text-align: left;
  font-weight: 850;
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-ui);
  color: var(--text-color);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

.cert-tag-btn:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.cert-tag-btn.active {
  background: var(--text-color);
  color: var(--bg-color);
}

.cert-tag-btn[data-category] {
  border-color: currentColor;
}

.cert-tag-btn[data-category="Certification"] {
  background: var(--ink-black);
  color: var(--accent-color);
}

.cert-tag-btn[data-category="Courses"] {
  background: var(--ink-black);
  color: var(--cat-courses);
}

.cert-tag-btn[data-category="Formation"] {
  background: var(--ink-black);
  color: var(--cat-formation);
}

.cert-tag-btn[data-category="Visits"] {
  background: var(--ink-black);
  color: var(--cat-visits);
}

[data-theme="dark"] .cert-tag-btn[data-category="Certification"] {
  background: var(--ink-black);
  color: var(--accent-color);
}

.cert-tag-btn[data-category]:hover {
  background: var(--bg-elevated);
  color: var(--text-color);
  border-color: currentColor;
}

.cert-tag-btn[data-category="Certification"]:hover {
  background: var(--ink-black);
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.cert-tag-btn[data-category="Courses"]:hover {
  background: var(--ink-black);
  color: var(--cat-courses);
  border-color: var(--cat-courses);
}

.cert-tag-btn[data-category="Formation"]:hover {
  background: var(--ink-black);
  color: var(--cat-formation);
  border-color: var(--cat-formation);
}

.cert-tag-btn[data-category="Visits"]:hover {
  background: var(--ink-black);
  color: var(--cat-visits);
  border-color: var(--cat-visits);
}

.cert-tag-btn[data-category].active {
  background: var(--bg-elevated);
  border-color: currentColor;
}

.cert-tag-btn[data-category="Certification"].active {
  background: var(--ink-black);
  color: var(--accent-color);
}

.cert-tag-btn[data-category="Courses"].active {
  background: var(--ink-black);
  color: var(--cat-courses);
  border-color: var(--cat-courses);
}

.cert-tag-btn[data-category="Formation"].active {
  background: var(--ink-black);
  color: var(--cat-formation);
  border-color: var(--cat-formation);
}

.cert-tag-btn[data-category="Visits"].active {
  background: var(--ink-black);
  color: var(--cat-visits);
  border-color: var(--cat-visits);
}

.certifications-content .cards {
  margin-top: 0;
  grid-template-columns: repeat(auto-fill, 260px);
  justify-content: start;
}

@media (max-width: 600px) {
  .certifications-content .cards {
    grid-template-columns: 1fr;
  }
}

.certifications-empty {
  margin-top: 1.25rem;
  color: var(--muted-text-color);
  border: 2px solid var(--border-color);
  padding: 0.75rem;
  background: var(--bg-elevated);
}

.cert-card {
  border: none;
}

.cert-card.has-certificate {
  cursor: pointer;
}

.cert-card.no-certificate {
  cursor: pointer;
}

.cert-card.no-certificate:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.cert-card.no-certificate:hover p {
  color: var(--ink-black);
}

.cert-card .badges {
  margin-top: 0.9rem;
}

.cert-card-category {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.2rem 0.4rem;
  border: 2px solid var(--border-color);
  border-color: currentColor;
  background: transparent;
  color: var(--text-color);
  font-size: var(--fs-xs);
  font-weight: 900;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.cert-card-category[data-category="Certification"] {
  background: var(--ink-black);
  color: var(--accent-color);
}

.cert-card-category[data-category="Courses"] {
  background: var(--ink-black);
  color: var(--cat-courses);
}

.cert-card-category[data-category="Formation"] {
  background: var(--ink-black);
  color: var(--cat-formation);
}

.cert-card-category[data-category="Visits"] {
  background: var(--ink-black);
  color: var(--cat-visits);
}

[data-theme="dark"] .cert-card-category[data-category="Certification"] {
  background: var(--ink-black);
  color: var(--accent-color);
}

.cert-card .badge {
  border: 2px solid var(--border-color);
  background: transparent;
  display: inline-flex;
}

.cert-badge {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 2px solid var(--border-color);
  background: var(--bg-elevated);
  margin-bottom: 1rem;
}

.cert-card:hover .cert-badge {
  border-color: var(--ink-black);
}

.certifications-list {
  display: grid;
  gap: 1rem;
}

.cert-list-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 1.25rem;
  background: var(--card-bg);
  padding: 1.25rem;
}

.cert-list-badge {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--bg-elevated);
}

.cert-list-title {
  font-size: var(--fs-lg);
  font-weight: 900;
  margin-bottom: 0.35rem;
}

.cert-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.cert-list-meta-pill {
  font-size: var(--fs-xs);
  padding: 0.15rem 0.35rem;
  border: 2px solid var(--border-color);
  background: transparent;
  color: var(--text-color);
  font-weight: 850;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
}

.cert-list-meta-pill.cert-list-category {
  border-color: currentColor;
}

.cert-list-meta-pill.cert-list-category[data-category="Certification"] {
  background: var(--ink-black);
  color: var(--accent-color);
}

.cert-list-meta-pill.cert-list-category[data-category="Courses"] {
  background: var(--ink-black);
  color: var(--cat-courses);
}

.cert-list-meta-pill.cert-list-category[data-category="Formation"] {
  background: var(--ink-black);
  color: var(--cat-formation);
}

.cert-list-meta-pill.cert-list-category[data-category="Visits"] {
  background: var(--ink-black);
  color: var(--cat-visits);
}

.cert-list-meta-pill.cert-list-date {
  background: rgba(138, 138, 138, 0.12);
  color: var(--text-color);
}

[data-theme="dark"] .cert-list-meta-pill.cert-list-date {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-color);
}

.cert-list-description {
  color: var(--muted-text-color);
  margin-bottom: 0.75rem;
}

.cert-list-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.cert-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.cert-modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cert-modal-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.cert-modal-panel {
  position: relative;
  width: min(980px, 100%);
  height: min(86vh, 760px);
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transform: translateY(10px);
  transition: transform 0.22s ease;
}

.cert-modal.open .cert-modal-panel {
  transform: translateY(0);
}

.cert-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-bottom: 2px solid var(--border-color);
}

.cert-modal-header h2 {
  font-size: var(--fs-base);
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  font-weight: 850;
}

.cert-modal-close {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 2px solid var(--border-color);
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
}

.cert-modal-close:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.cert-modal-body {
  flex: 1 1 auto;
  background: var(--bg-color);
}

.cert-modal-grid {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.25rem;
}

.cert-modal-badge {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 2px solid var(--border-color);
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cert-modal-badge-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
}

.cert-modal-badge .cert-modal-badge-img {
  border: 0;
}

.cert-modal-meta {
  font-size: var(--fs-base);
  color: var(--muted-text-color);
  margin-bottom: 0.9rem;
}

.cert-modal-meta-value#cert-modal-category {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.35rem;
  border: 2px solid currentColor;
  background: transparent;
  color: var(--text-color);
  font-weight: 850;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
}

.cert-modal-meta-value#cert-modal-category[data-category="Certification"] {
  background: var(--ink-black);
  color: var(--accent-color);
}

.cert-modal-meta-value#cert-modal-category[data-category="Courses"] {
  background: var(--ink-black);
  color: var(--cat-courses);
}

.cert-modal-meta-value#cert-modal-category[data-category="Formation"] {
  background: var(--ink-black);
  color: var(--cat-formation);
}

.cert-modal-meta-value#cert-modal-category[data-category="Visits"] {
  background: var(--ink-black);
  color: var(--cat-visits);
}

.cert-card-pills {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.cert-card-pills .cert-card-category {
  margin-bottom: 0;
}

.cert-card-pills .cert-status-pill {
  margin-bottom: 0;
}


.cert-tag-btn[data-status] {
  background: var(--ink-black);
  border-color: currentColor;
}

.cert-tag-btn[data-status="Completed"] {
  color: #22c55e;
}

.cert-tag-btn[data-status="In Progress"] {
  color: #ef4444;
}

[data-theme="dark"] .cert-tag-btn[data-status="Completed"] {
  color: #86efac;
}

[data-theme="dark"] .cert-tag-btn[data-status="In Progress"] {
  color: #fca5a5;
}

.cert-tag-btn[data-status]:hover {
  background: var(--ink-black);
  border-color: currentColor;
  color: inherit;
}

.cert-tag-btn[data-status].active {
  background: var(--ink-black);
  border-color: currentColor;
  color: inherit;
}

.cert-tag-btn[data-status="Completed"]:hover,
.cert-tag-btn[data-status="Completed"].active {
  color: #22c55e;
  border-color: #22c55e;
}

.cert-tag-btn[data-status="In Progress"]:hover,
.cert-tag-btn[data-status="In Progress"].active {
  color: #ef4444;
  border-color: #ef4444;
}

[data-theme="dark"] .cert-tag-btn[data-status="Completed"]:hover,
[data-theme="dark"] .cert-tag-btn[data-status="Completed"].active {
  color: #86efac;
  border-color: #86efac;
}

[data-theme="dark"] .cert-tag-btn[data-status="In Progress"]:hover,
[data-theme="dark"] .cert-tag-btn[data-status="In Progress"].active {
  color: #fca5a5;
  border-color: #fca5a5;
}

.cert-status-pill {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  background: transparent;
  margin-bottom: 0.6rem;
}

.cert-status-pill[data-status="Completed"] {
  color: #22c55e;
  background: #22c55e;
}

.cert-status-pill[data-status="In Progress"] {
  color: #ef4444;
  background: #ef4444;
}

[data-theme="dark"] .cert-status-pill[data-status="Completed"] {
  color: #86efac;
  background: #86efac;
}

[data-theme="dark"] .cert-status-pill[data-status="In Progress"] {
  color: #fca5a5;
  background: #fca5a5;
}

.cert-list-meta-pill.cert-list-status {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid currentColor;
  background: transparent;
}

.cert-list-meta-pill.cert-list-status[data-status="Completed"] {
  color: #22c55e;
  background: #22c55e;
}

.cert-list-meta-pill.cert-list-status[data-status="In Progress"] {
  color: #ef4444;
  background: #ef4444;
}

[data-theme="dark"] .cert-list-meta-pill.cert-list-status[data-status="Completed"] {
  color: #86efac;
  background: #86efac;
}

[data-theme="dark"] .cert-list-meta-pill.cert-list-status[data-status="In Progress"] {
  color: #fca5a5;
  background: #fca5a5;
}

.cert-modal-meta-value#cert-modal-status {
  display: inline-block;
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid currentColor;
  background: transparent;
}

.cert-modal-meta-value#cert-modal-status[data-status="Completed"] {
  color: #22c55e;
  background: #22c55e;
}

.cert-modal-meta-value#cert-modal-status[data-status="In Progress"] {
  color: #ef4444;
  background: #ef4444;
}

[data-theme="dark"] .cert-modal-meta-value#cert-modal-status[data-status="Completed"] {
  color: #86efac;
  background: #86efac;
}

[data-theme="dark"] .cert-modal-meta-value#cert-modal-status[data-status="In Progress"] {
  color: #fca5a5;
  background: #fca5a5;
}

.cert-modal-description {
  color: var(--muted-text-color);
  margin-bottom: 1.15rem;
}

.cert-modal-tags-title {
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  font-weight: 850;
  color: var(--muted-text-color);
  margin-bottom: 0.6rem;
}

.cert-modal-tags .badges {
  margin-top: 0;
}

.cert-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
  padding: 0.9rem 1rem;
  border-top: 2px solid var(--border-color);
  background: var(--bg-elevated);
}

.projects-toolbar {
  margin-top: 1.5rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-elevated);
}

.projects-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.projects-filter-btn {
  border: 2px solid var(--border-color);
  background: transparent;
  padding: 0.55rem 0.8rem;
  font-weight: 850;
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  cursor: pointer;
  color: var(--text-color);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.projects-filter-btn:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.projects-filter-btn[aria-pressed="true"] {
  background: var(--text-color);
  color: var(--bg-color);
}

.projects-list {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.project-item {
  border: 2px solid var(--border-color);
  background: var(--card-bg);
  padding: 1.5rem;
}

.project-item:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.project-item:hover p {
  color: var(--ink-black);
}

.project-item:hover .badge {
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}

.project-pill {
  font-size: var(--fs-xs);
  padding: 0.15rem 0.35rem;
  border: 2px solid var(--border-color);
  border-color: var(--ink-black);
  background: var(--accent-color);
  color: var(--ink-black);
  font-weight: 850;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
}

.project-title {
  font-size: var(--fs-xl);
  font-weight: 900;
  margin-bottom: 0.55rem;
}

.project-short-description {
  color: var(--muted-text-color);
}

.project-actions {
  margin-top: 1.25rem;
  display: flex;
  justify-content: flex-end;
}

.projects-empty {
  margin-top: 1.25rem;
  color: var(--muted-text-color);
  border: 2px solid var(--border-color);
  padding: 0.75rem;
  background: var(--bg-elevated);
}

.proj-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.proj-modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.proj-modal-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.proj-modal-panel {
  position: relative;
  width: min(820px, 100%);
  max-height: min(88vh, 720px);
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transform: translateY(10px);
  transition: transform 0.22s ease;
}

.proj-modal.open .proj-modal-panel {
  transform: translateY(0);
}

.proj-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-bottom: 2px solid var(--border-color);
}

.proj-modal-header-main {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  min-width: 0;
}

.proj-modal-header-aside {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.proj-modal-header h2 {
  font-size: var(--fs-base);
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  font-weight: 850;
}

.proj-modal-type-pill {
  font-size: var(--fs-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: var(--ls-ui);
  padding: 0.15rem 0.4rem;
  border: 2px solid var(--border-color);
  color: var(--muted-text-color);
  white-space: nowrap;
}

.proj-modal-type-pill:empty {
  display: none;
}

.proj-modal-close {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 2px solid var(--border-color);
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
}

.proj-modal-close:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.proj-modal-body {
  flex: 1 1 auto;
  background: var(--bg-color);
  padding: 1.5rem;
  overflow: auto;
}

.proj-modal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .proj-modal-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 2rem;
  }
}

.proj-modal-description {
  color: var(--muted-text-color);
  margin: 0;
  line-height: 1.6;
}

.proj-modal-reflection {
  border-left: var(--border-width) solid var(--accent-color);
  background: var(--bg-elevated);
  padding: 0.75rem 1rem;
  color: var(--muted-text-color);
  font-style: italic;
  margin: 0;
}

.proj-modal-section {
  margin-top: 1.5rem;
}

.proj-modal-col-main > .proj-modal-section:first-child,
.proj-modal-col-aside > .proj-modal-section:first-child {
  margin-top: 0;
}

.proj-modal-section-title {
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  font-weight: 850;
  color: var(--accent-color);
  margin-bottom: 0.6rem;
}

.proj-modal-video {
  border: 2px solid var(--border-color);
  background: var(--bg-elevated);
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.proj-video-item {
  display: grid;
  gap: 0.55rem;
}

.proj-video-label {
  font-size: var(--fs-sm);
  font-weight: 850;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
}

.proj-video-embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
}

.proj-video-file {
  width: 100%;
  display: block;
}

.proj-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
  padding: 0.9rem 1rem;
  border-top: 2px solid var(--border-color);
  background: var(--bg-elevated);
}

.contact-container {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
  gap: 2rem;
}

.contact-info {
  display: grid;
  gap: 1.2rem;
}

.contact-item {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}

.contact-item i {
  margin-top: 0.15rem;
  color: var(--text-color);
  background: var(--accent-color);
  border: 2px solid var(--border-color);
  border-color: var(--ink-black);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item h3 {
  font-size: var(--fs-base);
  font-weight: 850;
}

.contact-item a {
  font-size: var(--fs-base);
  color: var(--muted-text-color);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.contact-item a:hover {
  border-bottom-color: var(--border-color);
  background: transparent;
  color: var(--text-color);
}

.contact-form {
  background: var(--contact-form-bg);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  margin-bottom: 0.35rem;
  color: var(--input-label-color);
  font-weight: 800;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.75rem;
  border-radius: 0;
  border: 2px solid var(--input-border-color);
  background: var(--input-bg);
  color: var(--input-text-color);
  font-size: var(--fs-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--border-color);
  box-shadow: 0 0 0 3px var(--accent-color);
}

.table {
  width: 100%;
  border-collapse: collapse;
  border: 2px solid var(--border-color);
  background: var(--bg-elevated);
}

.table th,
.table td {
  border: 2px solid var(--border-color);
  padding: 0.75rem;
  text-align: left;
}

.table th {
  background: var(--text-color);
  color: var(--bg-color);
  text-transform: uppercase;
  letter-spacing: var(--ls-ui);
  font-size: var(--fs-sm);
  font-weight: 850;
}

.table tbody tr:hover {
  background: var(--accent-color);
  color: var(--ink-black);
}

pre {
  border: 2px solid var(--border-color);
  background: var(--bg-elevated);
  padding: 1rem;
  overflow: auto;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
}

.footer {
  border-top: 2px solid var(--footer-border-color);
  background: var(--footer-background);
  padding: 2.5rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo a {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: var(--ls-ui);
  text-decoration: none;
}

.footer-logo p {
  margin-top: 0.6rem;
  color: var(--muted-text-color);
  font-size: var(--fs-base);
}

.footer-links h3,
.footer-social h3 {
  font-size: var(--fs-base);
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  margin-bottom: 0.9rem;
  font-weight: 850;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  font-size: var(--fs-base);
  color: var(--muted-text-color);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.footer-links a:hover {
  border-bottom-color: var(--border-color);
  background: transparent;
  color: var(--text-color);
}

.social-links {
  display: flex;
  gap: 0.8rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-text-color);
  text-decoration: none;
}

.social-links a:hover {
  background: var(--accent-color);
  color: var(--ink-black);
  border-color: var(--ink-black);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: var(--fs-sm);
  color: var(--muted-text-color);
  border-top: 2px solid var(--border-color);
  padding-top: 1.2rem;
}

.footer-legal {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.footer-legal a {
  color: var(--muted-text-color);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.footer-legal a:hover {
  border-bottom-color: var(--border-color);
  background: transparent;
  color: var(--text-color);
}

#back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  border-radius: 0;
  border: 2px solid var(--back-to-top-border-color);
  border-color: var(--ink-black);
  background: var(--back-to-top-background);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-black);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

#back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

#back-to-top:hover {
  background: var(--text-color);
  color: var(--accent-color);
  border-color: var(--border-color);
}

[data-theme="dark"] #back-to-top:hover {
  background: var(--bg-color);
  color: var(--accent-color);
}

.sg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.sg-swatch {
  border: 2px solid var(--border-color);
  padding: 1rem;
  background: var(--bg-elevated);
}

.sg-swatch .sg-chip {
  height: 44px;
  border: 2px solid var(--border-color);
  margin-bottom: 0.85rem;
}

.sg-swatch strong {
  display: block;
  font-weight: 900;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  font-size: var(--fs-sm);
  margin-bottom: 0.35rem;
}

.sg-type {
  display: grid;
  gap: 1.25rem;
}

.sg-type p {
  max-width: 70ch;
}

.sg-type blockquote {
  border-left: 6px solid var(--accent-color);
  padding: 0.25rem 0 0.25rem 1rem;
  font-weight: 650;
}

.sg-type ul {
  padding-left: 1.2rem;
  display: grid;
  gap: 0.4rem;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-image-container {
    justify-content: center;
  }

  .hero-image {
    width: min(360px, 100%);
  }

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

  .certifications-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .ws-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .ws-item--flip .ws-item-text,
  .ws-item--flip .ws-item-media {
    order: 0;
  }

  .cert-list-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .cert-modal-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .footer-content {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero-image {
    width: min(300px, 100%);
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .mobile-nav {
    display: flex;
  }
}


/* Form validation */
.form-error {
  display: block;
  color: #c0392b;
  font-size: var(--fs-sm);
  margin-top: 0.25rem;
  min-height: 1.1em;
}

input.input-invalid,
textarea.input-invalid {
  border-color: #c0392b;
  outline-color: #c0392b;
}

/* ================================================================
   Projects — card grid
   ================================================================ */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}

.project-card {
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.25rem;
  min-height: 154px;
  padding: 1rem;
  background: var(--card-bg);
  border: var(--border-width) solid transparent;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.project-card:hover,
.project-card:focus-visible {
  border-color: var(--accent-color);
  transform: translateY(-2px);
  outline: none;
}

.project-card-image {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 124px;
  aspect-ratio: 1;
  padding: 1rem;
  background: var(--bg-color);
}

.project-card-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.project-card-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  min-width: 0;
}

.project-card-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.project-card-title {
  font-size: var(--fs-lg);
  font-weight: 900;
  margin: 0;
  line-height: 1.3;
}

.project-card-description {
  max-width: 58rem;
  margin: 0;
  color: var(--muted-text-color);
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.project-card-tags .badge {
  font-size: var(--fs-xs);
}

.project-card-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  align-self: stretch;
  min-width: 134px;
  padding-left: 1rem;
  font-size: var(--fs-sm);
  font-weight: 850;
  letter-spacing: var(--ls-ui);
  text-transform: uppercase;
  color: var(--text-color);
}

.project-card:hover .project-card-action,
.project-card:focus-visible .project-card-action {
  color: var(--accent-color);
}

.project-type-badge {
  border-color: var(--border-color);
  color: var(--text-color);
  background: transparent;
}

.badge-completed {
  border-color: var(--color-yellow, #c79a00);
  color: var(--color-yellow, #c79a00);
  background: transparent;
}

[data-theme="light"] .badge-completed {
  border-color: #8a6b00;
  color: #8a6b00;
}

.badge-in-progress {
  border-color: var(--muted-text-color, #888);
  color: var(--muted-text-color, #888);
  background: transparent;
}

.projects-status-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: flex-end;
}

.proj-modal-documents {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.proj-modal-doc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--text-color);
  text-decoration: none;
  border: 2px solid var(--border-color);
  padding: 0.4rem 0.75rem;
  background: transparent;
  transition: background var(--transition), color