/* ── Variables ───────────────────────────────────────── */
:root {
  --primary-bg:    #eef2f7;
  --secondary-bg:  #ffffff;
  --text-primary:  #1a2634;
  --text-secondary:#5a6e82;
  --accent:        #1b6fa8;
  --accent-hover:  #1a5f94;
  --border:        #c2d0df;
  --sidebar-w:     240px;
}
body.dark {
  --primary-bg:    #1b2838;
  --secondary-bg:  #16202d;
  --text-primary:  #c6d4df;
  --text-secondary:#8f98a0;
  --accent:        #66c0f4;
  --accent-hover:  #4fa3e3;
  --border:        #2a475e;
}

/* ── Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  background: var(--primary-bg);
  color: var(--text-primary);
  transition: background 0.3s, color 0.3s;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--secondary-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  overflow-y: auto;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s;
}
.sidebar-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.sidebar-title {
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}
.sidebar-location {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.sidebar-nav { flex: 1; }
.sidebar-nav ul { list-style: none; }
.sidebar-nav li { margin-bottom: 0.1rem; }
.sidebar-nav a {
  display: block;
  padding: 0.4rem 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: color 0.2s, padding-left 0.2s;
  border-left: 2px solid transparent;
  padding-left: 0.6rem;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}
.sidebar-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.2rem 0;
}
.sidebar-section-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}
.sidebar-links { display: flex; flex-direction: column; gap: 0.35rem; }
.sidebar-links a {
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex; align-items: center; gap: 0.5rem;
}
.sidebar-links a:hover { color: var(--accent); }
.sidebar-footer { margin-top: auto; padding-top: 1.5rem; }
.theme-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.72rem;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Content ─────────────────────────────────────────── */
.content {
  margin-left: max(var(--sidebar-w), calc((100% - 860px + var(--sidebar-w)) / 2));
  padding: 3.5rem 4rem;
  max-width: 860px;
}

/* ── Section ─────────────────────────────────────────── */
.section { margin-bottom: 5rem; }
.section-header {
  margin-bottom: 2.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}
.section-eyebrow {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.4rem;
}
.section-title {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ── About ───────────────────────────────────────────── */
.about-photo {
  width: 100%;
  margin-bottom: 2rem;
  overflow: hidden;
  border: 1px solid var(--border);
}
.about-photo img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}
.about-bio p {
  color: var(--text-secondary);
  font-size: 0.82rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}
.about-bio p:last-child { margin-bottom: 0; }
.about-bio strong { color: var(--accent); font-weight: 500; }

/* ── Contributions ───────────────────────────────────── */
.contrib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
}
.contrib-card {
  border: 1px solid var(--border);
  background: var(--secondary-bg);
  padding: 1.1rem 1.3rem;
  transition: border-color 0.2s;
}
.contrib-card:hover { border-color: var(--accent); }
.contrib-role {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.contrib-company {
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 0.12rem;
}
.contrib-period {
  font-size: 0.62rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}
.contrib-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.contrib-tag {
  font-size: 0.62rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.15rem 0.45rem;
}

/* ── Skills ──────────────────────────────────────────── */
.skills-grid { display: flex; flex-direction: column; gap: 1.2rem; }
.skill-row { display: flex; align-items: baseline; gap: 1.5rem; flex-wrap: wrap; }
.skill-row-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  min-width: 100px;
  flex-shrink: 0;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--primary-bg);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}
.tag:hover { color: var(--accent); border-color: var(--accent); }

/* ── Project Covers ──────────────────────────────────── */
.project-cover {
  width: 180px;
  flex-shrink: 0;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  position: relative;
  background: var(--primary-bg);
}
.project-cover img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.project-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 0.6rem;
  font-family: 'Roboto Mono', monospace;
  position: absolute; top: 0; left: 0;
}
.project-cover-placeholder .ph-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  opacity: 0.45;
  color: #fff;
}
.project-cover-placeholder .ph-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0 1rem;
}
.project-cover-placeholder .ph-mono {
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.07);
  letter-spacing: 0.2em;
  position: absolute;
  bottom: 1rem; right: 1rem;
}

/* ── Projects ────────────────────────────────────────── */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.project-item {
  display: flex;
  flex-direction: row;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--secondary-bg);
  transition: border-color 0.2s;
  cursor: pointer;
  overflow: hidden;
}
.project-item:hover { border-color: var(--accent); }
.project-item-body {
  padding: 0.9rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  min-width: 0;
}
.project-item-body-top { display: flex; flex-direction: column; gap: 0.35rem; }
.project-cover-cta {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  transition: opacity 0.2s;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  gap: 0.4rem;
}
.project-item:hover .project-cover-cta { opacity: 1; }
.project-top {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap; gap: 0.3rem;
}
.project-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
}
.project-company {
  font-size: 0.7rem;
  color: var(--accent);
}
.project-desc {
  font-size: 0.78rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 0.4rem;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.project-tag {
  font-size: 0.68rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
}
.contribution {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.4rem;
}
.project-open-hint {
  margin-top: 0.7rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  opacity: 0;
  transition: opacity 0.2s;
}
.project-item:hover .project-open-hint { opacity: 1; }

/* ── CV ──────────────────────────────────────────────── */
.cv-block {
  border: 1px solid var(--border);
  padding: 2rem;
  background: var(--secondary-bg);
  max-width: 480px;
}
.cv-block p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.cv-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.6rem 1.3rem;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-filled {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.btn-filled:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}
body.dark .btn-filled {
  background: #5c9e1a;
  border-color: #5c9e1a;
  color: #fff;
}
body.dark .btn-filled:hover {
  background: #6db82a;
  border-color: #6db82a;
  color: #fff;
}
.btn-secondary {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-secondary:hover {
  background: var(--accent);
  color: #fff;
}
body.dark .btn-secondary {
  border-color: #5c9e1a;
  color: #5c9e1a;
}
body.dark .btn-secondary:hover {
  background: #5c9e1a;
  border-color: #5c9e1a;
  color: #fff;
}

/* ── Contact ─────────────────────────────────────────── */
.contact-block { max-width: 480px; }
.contact-block p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.contact-links-list { display: flex; flex-direction: column; gap: 0.6rem; }
.contact-link-item {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  background: var(--secondary-bg);
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: border-color 0.2s, color 0.2s;
}
.contact-link-item:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Hamburger / Mobile ──────────────────────────────── */
.hamburger {
  display: none;
  position: fixed; top: 1rem; right: 1rem;
  z-index: 200;
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  padding: 0.5rem;
  cursor: pointer;
  flex-direction: column; gap: 4px;
}
.hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  .sidebar.open { transform: translateX(0); }
  .content { margin-left: 0; padding: 2rem 1.5rem; }
  .hamburger { display: flex; }

  /* Mobile project card: vertical layout with wide image */
  .project-item { flex-direction: column; }
  .project-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
  }
}

/* ── Project Detail Pages ────────────────────────────── */
.project-detail-back {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  transition: color 0.2s;
}
.project-detail-back:hover { color: var(--accent); }

.project-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: var(--secondary-bg);
  margin-bottom: 2rem;
}
.project-hero img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.project-hero-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 0.5rem;
  position: absolute; top: 0; left: 0;
}
.project-hero-placeholder .ph-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.06em;
}

.project-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.project-detail-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}
.project-detail-meta {
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.project-detail-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.store-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: filter 0.15s;
  white-space: nowrap;
}
.store-btn.steam {
  background: linear-gradient(180deg, #a4d007 0%, #5c9e1a 100%);
  color: #1a2a00;
}
.store-btn.steam:hover { filter: brightness(1.15); color: #1a2a00; }
.store-btn.itch {
  background: linear-gradient(180deg, #ff6b6b 0%, #fa5252 100%);
  color: #fff;
}
.store-btn.itch:hover { filter: brightness(1.1); color: #fff; }
.store-btn.website {
  background: linear-gradient(180deg, #4a9eda 0%, #1b6fa8 100%);
  color: #fff;
}
.store-btn.website:hover { filter: brightness(1.1); color: #fff; }

.detail-section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.detail-section-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.detail-section p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.8rem;
}
.detail-section p:last-child { margin-bottom: 0; }
.detail-bullets { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.detail-bullets li {
  position: relative;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 1.2rem;
}
.detail-bullets li::before {
  content: "—";
  position: absolute; left: 0;
  color: var(--accent);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin-top: 1rem;
}
.screenshot-placeholder {
  aspect-ratio: 16 / 9;
  border: 1px dashed var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  opacity: 0.5;
}