/* ==========================================================================
   Andrijana Miković — portfolio
   Modern dark developer theme
   ========================================================================== */

:root {
  --bg: #0a0e14;
  --bg-elevated: #0d1219;
  --surface: #121924;
  --surface-hover: #17202c;
  --border: #212b38;
  --border-strong: #2c3849;

  --text: #e8edf3;
  --text-muted: #94a3b5;
  --text-faint: #5c6b7d;

  --accent: #2dd4bf;
  --accent-strong: #7ee8d8;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --accent-border: rgba(45, 212, 191, 0.35);

  --tag-frontend: #60a5fa;
  --tag-backend: #f5b544;
  --tag-data: #c084fc;
  --tag-systems: #f472b6;
  --tag-tools: #34d399;

  --radius: 10px;
  --radius-lg: 16px;
  --container: 1100px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.045) 1px, transparent 0);
  background-size: 28px 28px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.75rem;
}

::selection {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

/* ---- Type helpers ---- */

.mono { font-family: var(--font-mono); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 0.9rem;
}

.eyebrow::before {
  content: '//';
  color: var(--text-faint);
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; font-weight: 700; }

p { color: var(--text-muted); margin: 0 0 1rem 0; }

.lede { font-size: 1.1rem; color: var(--text-muted); max-width: 640px; }

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--accent-border);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #06231f;
  font-weight: 700;
}

.btn.primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #06231f;
}

/* ---- Header / Nav ---- */

header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 20, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
  position: relative;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
}

.logo .path { color: var(--text-faint); }
.logo .cursor {
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.nav-menu {
  display: flex;
  align-items: center;
}

nav.links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

nav.links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  transition: color 0.15s ease, background-color 0.15s ease;
}

nav.links a:hover { color: var(--text); }

nav.links a.active {
  color: var(--accent);
  background: var(--accent-soft);
}

.nav-social {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 1.25rem;
  padding-left: 1.25rem;
  border-left: 1px solid var(--border);
}

.nav-social a {
  color: var(--text-faint);
  font-size: 1rem;
  transition: color 0.15s ease;
}

.nav-social a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

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

.hero {
  padding: 5.5rem 0 4rem 0;
  border-bottom: 1px solid var(--border);
}

.hero-photo {
  width: 8.5rem;
  height: 8.5rem;
  border-radius: 999px;
  overflow: hidden;
  border: 2px solid var(--border-strong);
  margin-bottom: 1.75rem;
}

.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

.hero h1 { margin-bottom: 1rem; }
.hero h1 .accent { color: var(--accent); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ---- Section shell ---- */

section.block {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

section.block:last-of-type { border-bottom: 0; }

.block-head { margin-bottom: 2.25rem; max-width: 640px; }

/* ---- Skills ---- */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.skill-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.skill-group-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.dot { width: 0.5rem; height: 0.5rem; border-radius: 999px; flex-shrink: 0; }
.dot.frontend { background: var(--tag-frontend); }
.dot.backend { background: var(--tag-backend); }
.dot.data { background: var(--tag-data); }
.dot.systems { background: var(--tag-systems); }
.dot.tools { background: var(--tag-tools); }

.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
}

/* ---- Projects ---- */

.lang-divider {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 3rem 0 1.5rem 0;
}

.lang-divider:first-of-type { margin-top: 0; }

.lang-divider .mono {
  font-size: 0.85rem;
  color: var(--accent);
  white-space: nowrap;
}

.lang-divider .rule {
  height: 1px;
  background: var(--border-strong);
  flex: 1;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-border);
  background: var(--surface-hover);
  box-shadow: 0 10px 30px -12px rgba(45, 212, 191, 0.18);
}

.card .date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-bottom: 0.5rem;
}

.card h3 { margin-bottom: 0.6rem; }
.card h3 a:hover { color: var(--accent-strong); }

.card p { font-size: 0.92rem; margin-bottom: 1rem; flex: 1; }

.card-thumb {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  aspect-ratio: 16/9;
}

.card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-thumb.contain { background: #fff; }
.card-thumb.contain img { object-fit: contain; padding: 0.4rem; }

.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}

.tag.frontend { color: var(--tag-frontend); border-color: color-mix(in srgb, var(--tag-frontend) 45%, var(--border-strong)); }
.tag.backend { color: var(--tag-backend); border-color: color-mix(in srgb, var(--tag-backend) 45%, var(--border-strong)); }
.tag.data { color: var(--tag-data); border-color: color-mix(in srgb, var(--tag-data) 45%, var(--border-strong)); }
.tag.systems { color: var(--tag-systems); border-color: color-mix(in srgb, var(--tag-systems) 45%, var(--border-strong)); }
.tag.tools { color: var(--tag-tools); border-color: color-mix(in srgb, var(--tag-tools) 45%, var(--border-strong)); }

/* ---- Timeline (Experience) ---- */

.timeline { position: relative; padding-left: 2rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0.3rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: var(--border-strong);
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.35rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: var(--bg);
  border: 2px solid var(--accent);
}

.timeline-item .date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 0.35rem;
}

.timeline-item .stack {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.timeline-item .stack .sep { color: var(--text-faint); margin: 0 0.4rem; }

.timeline-item .stack-tags { margin: 0.25rem 0 1rem; }

.timeline-item ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

.timeline-item li { margin-bottom: 0.6rem; font-size: 0.95rem; }
.timeline-item li:last-child { margin-bottom: 0; }
.timeline-item li strong { color: var(--text); }

.timeline-item .logo-thumb {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  margin-bottom: 1rem;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-item .logo-thumb img { width: 100%; height: 100%; object-fit: contain; }

/* ---- Education cards ---- */

.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
}

.edu-card:last-child { margin-bottom: 0; }

.edu-card .date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.edu-card p { margin-bottom: 0; }

.edu-card .logo-thumb {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  margin-bottom: 1rem;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem;
}

.edu-card .logo-thumb img { width: 100%; height: 100%; object-fit: contain; }

.edu-card .edu-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: lowercase;
  color: var(--accent);
  margin: 1.25rem 0 0.6rem;
}

.edu-card .edu-label::before { content: "// "; color: var(--text-faint); }

.edu-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

.edu-card li { margin-bottom: 0.55rem; font-size: 0.95rem; }
.edu-card li:last-child { margin-bottom: 0; }
.edu-card li strong { color: var(--text); }
.edu-card .card-tags { margin-top: 1.1rem; }

/* ---- CV page ---- */

.cv-hero {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.cv-hero img {
  width: 11rem;
  height: 11rem;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
}

.cv-hero .cv-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-bottom: 0.75rem;
}

/* ---- Footer ---- */

footer.site-footer {
  padding: 3.5rem 0 2.5rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 0.75rem;
}

.footer-social { display: flex; gap: 1rem; }

.footer-social a {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.footer-social a:hover { color: var(--accent); border-color: var(--accent-border); }

.copyright {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.copyright a { color: var(--text-muted); }
.copyright a:hover { color: var(--accent); }

/* ---- Reveal-on-scroll ---- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.in { opacity: 1; transform: translateY(0); }

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

@media (max-width: 760px) {
  .nav-menu { display: none; }

  .nav-menu.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 4.25rem;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.75rem 1.25rem 1.75rem;
    gap: 0.35rem;
    z-index: 40;
  }

  .nav-menu.open nav.links {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .nav-menu.open nav.links a { padding: 0.6rem 0.75rem; }

  .nav-menu.open .nav-social {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: 0.75rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border);
  }

  .nav-toggle { display: flex; }

  .cv-hero { padding: 1.75rem; }
  .cv-hero img { width: 8rem; height: 8rem; }
}

/* ---- Selected work (homepage) ---- */

.block-head p a { color: var(--accent); }
.block-head p a:hover { color: var(--accent-strong); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .logo .cursor { animation: none; }
}