:root {
  --bg: #f5f3ef;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #4a4a5a;
  --accent: #2c5f7c;
  --accent-light: #e8f0f5;
  --border: #d4d0c8;
  --border-light: #e8e4dc;
  --shadow: 0 1px 3px rgba(0,0,0,0.06);
  --radius: 6px;
  --max-w: 1100px;
  --gutter: 1.5rem;
}

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

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { top: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(8px);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.75rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
}

.language-switch a,
.language-switch span {
  color: var(--text-secondary);
  text-decoration: none;
}

.language-switch [aria-current="true"] {
  color: var(--accent);
  font-weight: 600;
}

.site-logo {
  font-family: "IBM Plex Mono", "Fira Code", monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--accent);
}

@media (max-width: 640px) {
  .header-inner { gap: 0.6rem; }
  .header-actions { gap: 0.65rem; }
  nav ul { gap: 0.65rem; }
  nav a { font-size: 0.78rem; }
  .site-logo { font-size: 0.76rem; }
}

/* Main */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 0;
}

/* Hero */
.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.hero-tagline {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 0.75rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
  min-height: 44px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: #1e4a5f; }

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

.btn-outline:hover { background: var(--accent-light); }

/* Sections */
.section {
  margin-top: 3.5rem;
}

.section-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

/* Role block */
.role-block {
  padding: 0;
  margin-top: 1rem;
}

.career-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.career-list li {
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
}

.career-list li + li {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-light);
}

.career-list strong {
  display: block;
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.career-list p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.career-list p + p {
  margin-top: 0.4rem;
}

.responsibility-list {
  margin-top: 0.45rem;
  padding-left: 1.25rem;
  color: var(--text-secondary);
}

.responsibility-list li {
  border: 0;
  padding: 0;
  font-size: 0.9rem;
  line-height: 1.65;
}

.responsibility-list li + li {
  margin-top: 0.35rem;
  padding-top: 0;
  border-top: 0;
}

/* Skills summary */
.skills-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-summary {
  border-top: 2px solid var(--accent);
  padding-top: 0.9rem;
}

.skill-summary h3 {
  color: var(--accent);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.skill-summary p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

.tools-line {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
}

.tools-line {
  margin-top: 1.4rem;
}

@media (max-width: 760px) {
  .skills-summary-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* Realisations (home preview) */
.realisations-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.rea-preview {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
}

.rea-preview:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(44,95,124,0.1);
}

.rea-preview-thumb {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  margin-bottom: 0.75rem;
}

.rea-preview h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--accent);
}

.rea-preview p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  flex: 1;
}

.rea-preview .rea-domain {
  font-size: 0.75rem;
  color: var(--accent);
  margin-top: 0.75rem;
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kozar-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.kozar-card h2 {
  margin-bottom: 0.5rem;
}

.kozar-card p:not(.section-label) {
  max-width: 720px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.kozar-card .btn {
  white-space: nowrap;
}

@media (max-width: 700px) {
  .kozar-card {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .kozar-card .btn {
    justify-self: start;
  }
}

/* Contact */
.contact-block {
  padding: 1.5rem 0 0.35rem;
  margin-top: 3rem;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

.contact-block p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}

.contact-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-links a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.linkedin-icon {
  width: 1.35rem;
  height: 1.35rem;
  flex: 0 0 auto;
  padding: 0.12rem;
  color: #fff;
  background: #0a66c2;
  border-radius: 3px;
}

.contact-links a:hover { text-decoration: underline; }

/* Footer */
.site-footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.65rem var(--gutter) 1rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
}

/* Realisations page */
.realisation-full {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.realisation-full > summary {
  list-style: none;
}

.realisation-full > summary::-webkit-details-marker {
  display: none;
}

.rea-header {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  min-height: 44px;
}

.rea-title {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
}

.rea-short {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.rea-toggle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: none;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
  margin-top: 0.25rem;
}

.realisation-full[open] .rea-toggle {
  transform: rotate(180deg);
}

.rea-body {
  padding: 0 1.5rem 1.5rem;
}

.rea-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.75rem;
}

@media (max-width: 640px) {
  .rea-grid { grid-template-columns: 1fr; }
}

.rea-field-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.rea-field p, .rea-field ul {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.rea-field ul { padding-left: 1.25rem; }
.rea-field li { margin-bottom: 0.2rem; }

.rea-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.rea-results {
  margin-top: 1rem;
}

.rea-technologies,
.rea-link {
  margin-top: 0.75rem;
}

.rea-link .btn {
  font-size: 0.82rem;
  padding: 0.4rem 0.9rem;
}

.rea-tool {
  font-size: 0.75rem;
  background: var(--accent-light);
  color: var(--accent);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-family: "IBM Plex Mono", monospace;
}

/* Formation block */
.formation-block {
  padding: 0;
  margin-top: 1rem;
}

.formation-block h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.formation-list {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding-left: 1.25rem;
}

.formation-list li { margin-bottom: 0.4rem; }

/* Figure and carousel */
.rea-figure {
  margin: 0;
}

.rea-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  display: block;
}

.rea-figure figcaption {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.4rem;
  font-style: italic;
}

.rea-carousel {
  margin-top: 1rem;
  position: relative;
}

.carousel-viewport {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  background: var(--bg);
}

.carousel-slide {
  display: block;
}

.carousel-slide + .carousel-slide {
  margin-top: 1rem;
}

.rea-carousel.is-enhanced .carousel-slide {
  display: none;
  margin-top: 0;
}

.rea-carousel.is-enhanced .carousel-slide.active {
  display: block;
}

.carousel-slide .rea-figure img {
  width: 100%;
  height: clamp(260px, 42vw, 460px);
  object-fit: contain;
  background: var(--bg);
  border-radius: 0;
  border: none;
}

.carousel-slide .rea-figure img.media-compact {
  padding: clamp(1rem, 3vw, 2.5rem) clamp(2rem, 12vw, 8rem);
}

.carousel-slide .rea-figure img.media-wide {
  height: auto;
}

.fem-carousel.is-enhanced .carousel-viewport {
  height: clamp(220px, 36vw, 400px);
}

.fem-carousel.is-enhanced .carousel-slide,
.fem-carousel.is-enhanced .rea-figure {
  height: 100%;
}

.fem-carousel.is-enhanced .carousel-slide {
  position: relative;
  overflow: hidden;
}

.fem-carousel.is-enhanced .carousel-slide::before {
  content: "";
  position: absolute;
  inset: 0 0 1.7rem;
  background: var(--slide-bg) center / cover no-repeat;
  filter: blur(12px) brightness(0.7);
  opacity: 0.5;
  transform: scale(1.06);
}

.fem-carousel.is-enhanced .rea-figure {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  position: relative;
}

.fem-carousel.is-enhanced .carousel-slide .rea-figure img.media-wide,
.fem-carousel.is-enhanced .carousel-slide .rea-figure img.media-compact {
  width: 100%;
  height: 100%;
  padding: 0;
  object-fit: contain;
  position: relative;
  z-index: 1;
}

.fem-carousel.is-enhanced .rea-figure figcaption {
  margin: 0;
  padding-top: 0.4rem;
  background: var(--bg-card);
  position: relative;
  z-index: 1;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  box-shadow: var(--shadow);
  transition: background 0.15s;
}

.rea-carousel.is-enhanced .carousel-arrow {
  display: flex;
}

.carousel-arrow:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.carousel-prev { left: 0.5rem; }
.carousel-next { right: 0.5rem; }

.carousel-dots {
  display: none;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
}

.rea-carousel.is-enhanced .carousel-dots {
  display: flex;
}

.carousel-dot {
  position: relative;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.carousel-dot::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  transition: background 0.15s;
}

.carousel-dot.active::after {
  background: var(--accent);
  border-color: var(--accent);
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}