:root {
  --bg: #ffffff;
  --surface: #f8fafc;
  --surface-strong: #eef4f8;
  --text: #202124;
  --muted: #5f6368;
  --border: #e5e7eb;
  --accent: #2698ba;
  --accent-dark: #187896;
  --link: #176d8c;
  --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  --radius: 18px;
  --max-width: 1060px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(38, 152, 186, 0.09), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(38, 152, 186, 0.06), transparent 26rem);
  z-index: -1;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.95rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  color: var(--text);
  font-weight: 750;
  letter-spacing: -0.03em;
  font-size: 1.12rem;
}

.brand span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  padding: 0.25rem 0.1rem;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.25rem 1.5rem 5rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 2.25rem;
  align-items: start;
}

.hero-card,
.content-card,
.profile-card,
.item-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 2.2rem;
}

.content-card {
  padding: 2.35rem;
}

.profile-card {
  padding: 1.55rem;
  position: sticky;
  top: 5.5rem;
}

.kicker {
  margin: 0 0 0.6rem;
  color: var(--accent-dark);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: -0.035em;
  color: var(--text);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.15rem, 5vw, 3.85rem);
}

h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.8rem, 4vw, 2.55rem);
}

h3 {
  margin: 0 0 0.45rem;
  font-size: 1.22rem;
}

.lede {
  font-size: 1.1rem;
  color: #34383d;
  margin: 0 0 1.35rem;
}

.section-intro {
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 1.5rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.25rem 0 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(38, 152, 186, 0.25);
  background: rgba(38, 152, 186, 0.08);
  color: var(--accent-dark);
  border-radius: 999px;
  padding: 0.34rem 0.72rem;
  font-size: 0.88rem;
  font-weight: 650;
}

.profile-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
  background: var(--surface-strong);
  margin-bottom: 1.15rem;
}

.profile-name {
  margin: 0;
  font-size: 1.42rem;
}

.profile-title {
  margin: 0.15rem 0 1rem;
  color: var(--muted);
}

.contact-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-list strong {
  color: var(--text);
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0.58rem 0.95rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--border);
  color: var(--text);
  background: #fff;
}

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

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.10);
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 2rem;
  align-items: start;
}

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

.item-card {
  padding: 1.35rem;
  box-shadow: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.item-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.meta {
  color: var(--muted);
  font-size: 0.94rem;
  margin: 0 0 0.6rem;
}

.item-card p:last-child {
  margin-bottom: 0;
}

.pub-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 1rem;
}

.pub-list li {
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.pub-title {
  font-weight: 750;
  display: block;
  margin-bottom: 0.4rem;
}

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

.badge {
  display: inline-block;
  margin-top: 0.6rem;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 750;
  color: var(--accent-dark);
  background: rgba(38, 152, 186, 0.10);
}

.timeline {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.timeline-section {
  margin-top: 2rem;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1.5rem;
  text-align: center;
}

@media (max-width: 820px) {
  .navbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .profile-card {
    position: static;
    order: -1;
  }

  .profile-photo {
    max-width: 220px;
  }

  .container {
    padding-top: 2rem;
  }
}

/* CV page */
.cv-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.cv-section {
  border-top: 1px solid var(--border);
  padding-top: 1.55rem;
  margin-top: 1.55rem;
}

.cv-section h2 {
  font-size: 1.45rem;
  margin-bottom: 1rem;
}

.cv-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 170px;
  gap: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.cv-entry:last-child {
  border-bottom: 0;
}

.cv-entry-main h3 {
  margin-bottom: 0.25rem;
}

.cv-entry-main p {
  margin: 0.15rem 0;
}

.cv-role {
  font-weight: 700;
  color: var(--accent-dark);
}

.cv-entry ul {
  margin: 0.5rem 0 0;
  padding-left: 1.15rem;
}

.cv-entry-meta {
  color: var(--muted);
  font-size: 0.92rem;
  text-align: right;
}

.numbered-list {
  margin: 0;
  padding-left: 1.3rem;
}

.numbered-list li {
  margin-bottom: 0.85rem;
}

.compact-list {
  list-style-position: inside;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.compact-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
}

.compact-list li span:last-child {
  color: var(--muted);
  white-space: nowrap;
}

.skill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.skill-grid span {
  border: 1px solid rgba(38, 152, 186, 0.25);
  background: rgba(38, 152, 186, 0.08);
  color: var(--accent-dark);
  border-radius: 999px;
  padding: 0.36rem 0.72rem;
  font-weight: 650;
  font-size: 0.9rem;
}

.sidebar-rule {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.15rem 0;
}

.cv-jump-links {
  display: grid;
  gap: 0.45rem;
  font-size: 0.95rem;
}

.cv-jump-links a {
  color: var(--muted);
  padding: 0.25rem 0;
}

.cv-jump-links a:hover {
  color: var(--accent-dark);
}

@media (max-width: 820px) {
  .cv-heading {
    flex-direction: column;
  }

  .cv-entry {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .cv-entry-meta {
    text-align: left;
  }

  .compact-list li {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

/* Awards page */
.award-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.award-feature-card {
  border: 1px solid rgba(38, 152, 186, 0.22);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(38, 152, 186, 0.09), rgba(255, 255, 255, 0.88));
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.award-feature-card h3 {
  margin-top: 0.35rem;
  font-size: 1.05rem;
}

.award-feature-card p {
  color: var(--muted);
  margin-top: auto;
  margin-bottom: 0;
  padding-top: 1rem;
  font-size: 0.94rem;
}

.award-year {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  align-self: flex-start;
  border-radius: 999px;
  background: rgba(38, 152, 186, 0.12);
  color: var(--accent-dark);
  font-weight: 750;
  font-size: 0.78rem;
  padding: 0.24rem 0.56rem;
}

.award-list li span:first-child {
  font-weight: 650;
}

@media (max-width: 820px) {
  .award-feature-grid {
    grid-template-columns: 1fr;
  }
}

.is-hidden {
  display: none !important;
}

.secret-link {
  color: inherit;
  opacity: 0.22;
  text-decoration: none;
  margin-left: 0.35rem;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.secret-link:hover,
.secret-link:focus {
  opacity: 1;
  color: var(--accent);
}

/* Wargaming page */
.featured-wargame-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.featured-wargame-card {
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  background: rgba(255, 255, 255, 0.86);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.featured-wargame-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(38, 152, 186, 0.28);
}

.featured-wargame-layout {
  display: grid;
  grid-template-columns: minmax(220px, 42%) 1fr;
  min-height: 260px;
}

.featured-wargame-layout img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  display: block;
  background: var(--surface-strong);
}

.featured-wargame-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.featured-wargame-body h3 {
  margin: 0.7rem 0 0.5rem;
  font-size: 1.4rem;
}

.featured-wargame-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.backlog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.backlog-card {
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.86);
  padding: 1rem;
}

.backlog-card h3 {
  margin: 0.65rem 0 0.45rem;
}

.backlog-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.backlog-card .award-year,
.featured-wargame-body .award-year {
  display: inline-flex;
  width: fit-content;
  align-self: flex-start;
}

@media (max-width: 760px) {
  .featured-wargame-layout {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .featured-wargame-layout img {
    aspect-ratio: 4 / 3;
    height: auto;
    min-height: 0;
  }

  .backlog-grid {
    grid-template-columns: 1fr;
  }
}

.spoiler-text {
  color: transparent;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  padding: 0 0.25rem;
  cursor: pointer;
  user-select: none;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.spoiler-text:hover,
.spoiler-text:focus {
  color: var(--text);
  background: rgba(38, 152, 186, 0.08);
  border-color: rgba(38, 152, 186, 0.28);
  outline: none;
}