/* ==========================================================================
   Tobias Strunz — personal homepage
   Dark theme · responsive · multi-page
   ========================================================================== */

:root {
  --bg: #0d0d0f;
  --bg-elevated: #16161a;
  --bg-card: #1c1c22;
  --bg-card-hover: #24242c;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8e8ec;
  --text-muted: #9a9aa8;
  --text-dim: #6b6b78;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --max-width: 1120px;
  --header-h: 64px;
  --transition: 0.2s ease;

  --accent: #c9a227;
  --accent-entrepreneur: #d4a017;
  --accent-coder: #4a8fd4;
  --accent-outdoor: #3d9b6e;
  --accent-creative: #9b5de5;

  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Inter", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image: url("../images/background.jpg");
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(13, 13, 15, 0.88);
  pointer-events: none;
  z-index: -1;
}

img { max-width: 100%; height: auto; display: block; }

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

a:hover { color: #e8c547; }

/* Theme accents */
body.theme-entrepreneur { --accent: var(--accent-entrepreneur); }
body.theme-coder { --accent: var(--accent-coder); }
body.theme-outdoor { --accent: var(--accent-outdoor); }
body.theme-creative { --accent: var(--accent-creative); }

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(13, 13, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
  white-space: nowrap;
}

.site-logo:hover { color: var(--accent); }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
}

.site-nav a {
  display: block;
  padding: 0.5rem 0.85rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.site-nav a.active { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--text); }

.site-credit {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-style: italic;
}

.site-credit em {
  font-style: normal;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 3rem;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--accent);
  font-weight: 500;
  margin: 0 0 1rem;
}

.hero-intro {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 52ch;
  margin: 0;
}

.hero-portrait {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero-portrait img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   Page header (inner pages)
   -------------------------------------------------------------------------- */

.page-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.page-header .lead {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin: 0;
  max-width: 60ch;
}

/* --------------------------------------------------------------------------
   Cards & grids
   -------------------------------------------------------------------------- */

.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin: 0 0 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.theme-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
  color: inherit;
  text-decoration: none;
}

.theme-card:hover {
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.14);
  color: inherit;
}

.theme-card-image {
  height: 160px;
  background-size: cover;
  background-position: center;
}

.theme-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.theme-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.theme-card h2 {
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.theme-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  flex: 1;
}

.theme-card-footer {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

/* Project cards (inner pages) */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-rows: 180px auto;
}

/* Anchor variant — whole card is a link (outdoor trip cards) */
a.project-card {
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

a.project-card:hover {
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.14);
  color: inherit;
}

.project-card-image {
  background-size: cover;
  background-position: center;
}

.project-card-content {
  padding: 1.5rem;
}

.project-card .badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.project-card h2 {
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 1rem;
}

.project-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  font-size: 0.9rem;
}

/* Card image backgrounds */
.card-img-entrepreneur-shop { background-image: url("../images/entrepreneur/iwd.jpg"); }
.card-img-entrepreneur-history { background-image: url("../images/history/history.jpg"); }
.card-img-entrepreneur-code { background-image: url("../images/entrepreneur/coder-4-live.jpg"); }
.card-img-entrepreneur-unity { background-image: url("../images/entrepreneur/powered-by-unity.jpg"); }
.card-img-coder-php { background-image: url("../images/coder/web.jpg"); }
.card-img-coder-unity { background-image: url("../images/coder/unity.jpg"); }
.card-img-coder-other { background-image: url("../images/coder/other.jpg"); }
.card-img-outdoor { background-image: url("../images/sport/hike.jpg"); }
.card-img-creative-art { background-image: url("../images/artist/gnm.jpg"); }
.card-img-creative-writer { background-image: url("../images/artist/writer.jpg"); }
.card-img-creative-design { background-image: url("../images/artist/fmp.jpg"); }
.card-img-creative-world { background-image: url("../images/artist/fhiz.jpg"); }
.card-img-home-entrepreneur {
  background-image: url("../images/tobias/tobias.jpg");
  background-position: center calc(50% + 100px);
}
.card-img-home-outdoor { background-image: url("../images/sport/hike.jpg"); }
.card-img-home-coder { background-image: url("../images/coder/web.jpg"); }
.card-img-home-creative { background-image: url("../images/artist/fhiz.jpg"); }
.card-img-blog { background-image: url("../images/blog/blog.jpg"); }
.card-img-gerardo { background-image: url("../images/gerardo/gerardo.jpg"); }

/* --------------------------------------------------------------------------
   Highlights strip
   -------------------------------------------------------------------------- */

.highlights {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
}

.highlights ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.highlights li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.highlights li i {
  color: var(--accent);
  margin-top: 0.2rem;
  width: 1.1rem;
  text-align: center;
}

/* --------------------------------------------------------------------------
   Trip list (outdoor)
   -------------------------------------------------------------------------- */

.trip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.trip-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: background var(--transition), border-color var(--transition);
}

.trip-list a:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.trip-list a i {
  color: var(--accent-outdoor);
  width: 1.25rem;
  text-align: center;
}

.trip-list .trip-meta {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Gallery
   -------------------------------------------------------------------------- */

.gallery-header {
  margin-bottom: 1.5rem;
}

.gallery-header h1 {
  font-size: 1.5rem;
  margin: 0 0 0.35rem;
}

.gallery-header .back-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}

.gallery-grid button {
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
}

.gallery-grid button:hover {
  transform: scale(1.02);
  border-color: rgba(255, 255, 255, 0.2);
}

.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.is-open { display: flex; }

.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* --------------------------------------------------------------------------
   Prose blocks
   -------------------------------------------------------------------------- */

.prose {
  color: var(--text-muted);
  max-width: 65ch;
  margin-bottom: 2rem;
}

.prose p { margin: 0 0 1rem; }

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.link-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--text);
  transition: background var(--transition), border-color var(--transition);
}

.link-pill:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-portrait {
    max-width: 240px;
    margin: 0 auto;
    order: -1;
  }

  .hero-intro { margin: 0 auto; }

  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(13, 13, 15, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem;
    display: none;
  }

  .site-nav.is-open { display: block; }

  .site-nav ul {
    flex-direction: column;
  }

  .site-nav a {
    padding: 0.75rem 1rem;
  }

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

  .project-card {
    grid-template-rows: 140px auto;
  }
}