/* =========================================================
   Global Theme Tokens (easy knobs to tweak)
   ========================================================= */
:root {
  /* Colors */
  --bg: #f6fffb;
  --card: rgba(255,255,255,0.7);
  --accent: #39d0b5;
  --text: #0f172a;
  --muted: #475569;
  --ring: rgba(57,208,181,0.35);

  /* Layout KNOBS */
  --container-max: 1800px;       /* ← PRIMARY WIDTH CAP (widen this) */
  --section-x-pad: 24px;         /* left/right padding in sections/containers */
  --grid-gap: 16px;              /* gap for generic .grid layouts */
  --card-padding: 20px;          /* inner padding for .card */
  --project-thumb-h: 160px;      /* height of project card thumbnails */
}

/* =========================================================
   Resets / Base
   ========================================================= */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(1200px 800px at 80% -10%, #d7fff3 0%, transparent 50%),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell,
    'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji',
    'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
}

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

/* =========================================================
   Page Width Containers
   ========================================================= */
/* NOTE: This is the main thing that limits how wide content can be.
   ↑ Increase --container-max (above) or override per-page to go wider. */
.container {
  max-width: var(--container-max);   /* ← WIDTH CAP (adjust here) */
  margin: 0 auto;
  padding: var(--section-x-pad);
}

/* Sections often wrap page content. They don't cap width by themselves,
   but their padding affects the perceived width. */
.section {
  padding: 40px var(--section-x-pad);
}

/* =========================================================
   Navigation
   ========================================================= */
.navbar {
  position: sticky; top: 0;
  backdrop-filter: blur(10px);
  background: rgba(246,255,251,0.8);
  z-index: 10;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px var(--section-x-pad);
}

.nav-links { display: flex; gap: 12px; flex-wrap: wrap; }
.nav-links a { padding: 8px 12px; border-radius: 999px; }
.nav-links a.active, .nav-links a:hover { background: rgba(57,208,181,0.12); }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  padding: 10px 16px; border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.1);
  background: white;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04), 0 6px 16px rgba(57,208,181,0.15);
  cursor: pointer; transition: transform .05s ease; display: inline-block;
}
.btn:hover { transform: translateY(-1px); }
.btn.accent { background: var(--accent); color: white; border-color: transparent; box-shadow: 0 6px 16px var(--ring); }

/* =========================================================
   Typography utilities
   ========================================================= */
.section h1, .section h2 { margin: 0 0 12px 0; }
.lead { color: var(--muted); font-size: 18px; }
small.muted { color: var(--muted); }

/* =========================================================
   Cards + Grids (generic)
   ========================================================= */
.card {
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 18px;
  padding: var(--card-padding);           /* ← Card inner spacing */
  box-shadow: 0 10px 30px rgba(15,23,42,0.07);
}

/* Generic grid: adjust column count if needed */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);  /* ← # of columns */
  gap: var(--grid-gap);
}
@media (max-width: 900px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }

/* Project card image (used on the older 3-up layout) */
.project-card img {
  width: 100%;
  height: var(--project-thumb-h);         /* ← Thumbnail height */
  object-fit: contain;
  border-radius: 12px;
  background: #e2fff6;
}

/* =========================================================
   Misc utilities
   ========================================================= */
.kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: #eef; border: 1px solid #cdd; padding: 1px 6px; border-radius: 6px;
}

footer { padding: 48px var(--section-x-pad); color: var(--muted); text-align: center; }
footer .love { color: var(--accent); font-weight: 600; }

.list { display: grid; gap: 8px; padding-left: 18px; }

.tag {
  padding: 4px 8px; border-radius: 999px;
  background: rgba(57,208,181,0.15);
  border: 1px solid rgba(0,0,0,0.06);
  font-size: 12px; margin-right: 6px;
}

.badge {
  font-size: 12px; padding: 2px 6px;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 999px; color: var(--muted);
}

/* =========================================================
   Header hero (used on home)
   ========================================================= */
.header-hero {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center;
}
@media (max-width: 900px) { .header-hero { grid-template-columns: 1fr; } }

figure img.thumb {
  width: 100%; border-radius: 12px; background: #e2fff6;
  height: 200px; object-fit: cover;
}