:root {
  --bg: #f7f7f5;
  --text: #131313;
  --muted: #5e5e5e;
  --card: #fff;
  --border: #d8d8d4;
  --accent: #2d5c88;
  --success: #137a2c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.site-header {
  position: static;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--border);
}

.layout {
  padding: 1.2rem clamp(1rem, 4vw, 4rem) 3rem;
  display: grid;
  gap: 2rem;
}

.portfolio-section h2 { margin: .2rem 0 .6rem; font-size: 1.8rem; }

.software-section {
  width: 100%;
}

.section-subtitle, .lede { color: var(--muted); }
.eyebrow { margin: 0; color: var(--muted); text-transform: uppercase; letter-spacing: .15em; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 1.5rem;
  row-gap: 2rem;
}

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

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  width: 100%;
}

.card-image {
  width: 100%;
  height: clamp(280px, 30vw, 420px);
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.software-card .card-image {
  height: clamp(360px, 42vw, 620px);
}

.software-section {
  max-width: 1600px;
}

.software-card .card-image.preview-trigger {
  cursor: zoom-in;
}

.card-body { padding: 1rem; }
.card-body h3 { margin-top: 0; }

button, .button {
  border: 1px solid var(--text);
  border-radius: 8px;
  padding: .6rem .9rem;
  cursor: pointer;
  text-decoration: none;
  background: var(--text);
  color: #fff;
  display: inline-flex;
  align-items: center;
}

button.ghost, .button.ghost {
  background: transparent;
  color: var(--text);
}

label { display: grid; gap: .3rem; }
input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .55rem .6rem;
  font: inherit;
}

a { color: var(--accent); }
.stack { display: grid; gap: .8rem; }

.admin-layout { grid-template-columns: 1fr; }

#admin-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}

.admin-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .8rem;
  margin-bottom: .7rem;
  background: #fff;
}

.actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.inline {
  display: grid;
  gap: .5rem;
}

.hidden {
  display: none !important;
}

#login-status.logged-in {
  color: var(--success);
  font-weight: 800;
  font-size: 1.1rem;
}

#login-status.login-error {
  color: #b00020;
  font-weight: 700;
}

.card[role="button"] {
  cursor: pointer;
}

.card[role="button"]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.image-preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 1000;
}

.image-preview-dialog {
  position: relative;
  width: min(1100px, 96vw);
  max-height: 92vh;
  display: grid;
  gap: 0.75rem;
  justify-items: center;
}

.image-preview-image {
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 10px;
}

.image-preview-caption {
  color: #fff;
  margin: 0;
  text-align: center;
}

.image-preview-close,
.image-preview-nav {
  position: absolute;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  border-radius: 999px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  padding: 0;
}

.image-preview-close {
  top: 0.4rem;
  right: 0.4rem;
}

.image-preview-nav {
  top: 50%;
  transform: translateY(-50%);
}

.image-preview-nav.prev { left: 0.4rem; }
.image-preview-nav.next { right: 0.4rem; }
.image-preview-nav:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}