/* ─── Design tokens ──────────────────────────────────────────────────────── */
:root {
  --bg:             #1C232E;
  --panel:          #283446; /*#2e4263*/ /*#283955*/
  --panel-hi:       #2e4263; /*#3d5b91*/
  --ink:            #f1f4fa;
  --muted:          #9fb1cf;
  --faint:          #516889;
  --rule:           rgba(241, 244, 250, 0.10);
  --accent:         #85a5d5;
  --accent-soft:    rgba(100, 140, 201, 0.16);
  --highlight:      #f4dc7c;
  --highlight-soft: rgba(244, 220, 124, 0.14);
  --font:           "Inter", "Helvetica Neue", system-ui, sans-serif;
  --mono:           "JetBrains Mono", ui-monospace, monospace;
}

/* ─── Reset & base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
body {
  font-family: var(--font);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

/* ─── Horizontal padding ─────────────────────────────────────────────────── */

/* Used on portfolio section wrappers and nav */
.h-pad {
  padding-left: 44px;
  padding-right: 44px;
}

/* Used on the project detail page content wrapper */
.page-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 44px;
  padding-right: 44px;
}

/* ─── Nav links ──────────────────────────────────────────────────────────── */
.nav-link {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav-link:hover { color: var(--ink); }

/* ─── Section heading ────────────────────────────────────────────────────── */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 28px;
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ─── Cards ──────────────────────────────────────────────────────────────── */
.project-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--rule);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.2s ease;
}
.project-card:hover {
  transform: translateY(-2px);
  border-color: rgba(100, 140, 201, 0.45);
}

.grid-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--rule);
  border-radius: 14px;
  transition: border-color 0.2s ease;
}
.grid-card:hover { border-color: rgba(100, 140, 201, 0.45); }

.contact-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--rule);
  border-radius: 12px;
  transition: border-color 0.2s ease;
}
.contact-row:hover { border-color: rgba(100, 140, 201, 0.45); }

/* ─── Grid layouts ───────────────────────────────────────────────────────── */
.grid-featured {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-projects {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.grid-skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.grid-about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
}

.grid-contact {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
}

/* Project detail page layouts */
.grid-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.grid-project-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
}

.grid-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 18px;
}

/* ─── Project page sidebar ───────────────────────────────────────────────── */
.project-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
  border-left: 1px solid var(--rule);
  padding-left: 24px;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .grid-featured     { grid-template-columns: repeat(2, 1fr); }
  .grid-projects     { grid-template-columns: repeat(2, 1fr); }

  .grid-about        { grid-template-columns: 1fr; gap: 32px; }
  .grid-contact      { grid-template-columns: 1fr; }

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

  .project-sidebar {
    position: static;
    align-self: auto;
    border-left: none;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: 24px;
  }
}

@media (max-width: 640px) {
  .h-pad,
  .page-wrap         { padding-left: 20px; padding-right: 20px; }

  .grid-featured,
  .grid-projects,
  .grid-skills       { grid-template-columns: 1fr; }

  .grid-meta         { grid-template-columns: repeat(2, 1fr); }
  .grid-gallery      { grid-template-columns: 1fr; }

  .section-head      { flex-direction: column; align-items: flex-start; }
  .hero-actions      { flex-wrap: wrap; }
}