/* ============================================
   JANNE ALIU — PORTFOLIO
   Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;700&family=DM+Sans:wght@300;400;500&family=IBM+Plex+Mono:wght@300;400&display=swap');

/* ── Variables ─────────────────────────────── */
:root {
  --bg:         #0b0b0d;
  --bg-2:       #111115;
  --surface:    #16161b;
  --border:     rgba(255,255,255,0.08);
  --text:       #e8e6e0;
  --text-muted: #6b6a66;
  --text-dim:   #9e9c96;
  --accent:     #4fc3f7;
  --accent-dim: rgba(79,195,247,0.12);
  --serif:      'Playfair Display', Georgia, serif;
  --sans:       'DM Sans', sans-serif;
  --mono:       'IBM Plex Mono', monospace;
  --max-w:      1140px;
  --radius:     3px;
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  position: relative;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
}

/* ── Typography ────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; font-weight: 500; }

p { color: var(--text-dim); font-weight: 300; max-width: 62ch; }

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

.mono {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.accent { color: var(--accent); }

/* ── Layout ────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 5rem 0; }

.rule {
  width: 100%;
  height: 1px;
  background: var(--border);
  border: none;
}

/* ── Navigation ────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

nav.scrolled {
  background: rgba(11,11,13,0.92);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  transition: color 0.2s;
}
.nav-logo:hover { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2.4rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 400;
}
.btn-primary:hover {
  background: #81d4fa;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ── Project Cards ─────────────────────────── */
.project-card {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.3s, transform 0.3s;
  text-decoration: none;
}

.project-card:hover {
  border-color: rgba(79,195,247,0.3);
  transform: translateY(-4px);
}

.project-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
  filter: brightness(0.85) saturate(0.9);
}

.project-card:hover .project-card-img {
  transform: scale(1.04);
  filter: brightness(1) saturate(1);
}

.project-card-body {
  padding: 1.4rem 1.6rem 1.6rem;
  border-top: 1px solid var(--border);
}

.project-card-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}

.project-card h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.project-card p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
  max-width: none;
}

.card-arrow {
  position: absolute;
  top: 1.2rem; right: 1.4rem;
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: all 0.2s;
  background: var(--bg-2);
}

.project-card:hover .card-arrow {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Footer ────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 4rem;
}

footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer-copy {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.6rem;
  list-style: none;
}

.footer-links a {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

/* ── Animations ────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}
.fade-up.d1 { animation-delay: 0.1s; }
.fade-up.d2 { animation-delay: 0.25s; }
.fade-up.d3 { animation-delay: 0.4s; }
.fade-up.d4 { animation-delay: 0.55s; }

/* ── Responsive ────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { gap: 1.4rem; }
  section { padding: 3.5rem 0; }
  .container { padding: 0 1.2rem; }
}

@media (max-width: 520px) {
  .nav-links { display: none; }
}