/* ── CSS Variables ─────────────────────────────────────── */
:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --border: #1e1e2e;
  --text: #e8e8f0;
  --muted: #6b6b85;
  --accent: #00ffb3;
  --mono: 'DM Mono', monospace;
  --display: 'Syne', sans-serif;
}

/* ── Base ──────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--display);
  overflow-x: hidden;
  cursor: none;
}

/* ── Custom Cursor ─────────────────────────────────────── */
.cursor {
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  mix-blend-mode: difference;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transition: transform 0.4s cubic-bezier(0.23,1,0.32,1);
  opacity: 0.4;
}

/* ── Noise + Grid Overlays ─────────────────────────────── */
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='0.03'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9990; opacity: 0.5;
}
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(0,255,179,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,179,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none; z-index: 0;
}

/* ── Nav underline effect ──────────────────────────────── */
.nav-link {
  position: relative;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--accent); }
.nav-link:hover::after { width: 100%; }

/* ── Hero Animations ───────────────────────────────────── */
.hero-tag {
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
  display: flex; align-items: center; gap: 12px;
}
.hero-tag::before { content: ''; width: 32px; height: 1px; background: var(--accent); }
.hero-name   { opacity: 0; animation: fadeUp 0.9s 0.4s forwards; line-height: 0.92; }
.hero-role   { opacity: 0; animation: fadeUp 0.9s 0.6s forwards; }
.hero-desc   { opacity: 0; animation: fadeUp 0.9s 0.8s forwards; }
.hero-cta    { opacity: 0; animation: fadeUp 0.9s 1.0s forwards; }
.hero-badge  { opacity: 0; animation: fadeIn 1.2s 1.2s forwards; }

.hero-name-size { font-size: clamp(56px, 9vw, 120px); letter-spacing: -0.03em; }
.hero-role-size { font-size: clamp(22px, 3.5vw, 42px); }

/* ── Btn Primary (chamfer clip) ────────────────────────── */
.btn-primary {
  padding: 14px 32px;
  background: var(--accent);
  color: #000;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: none;
  transition: background 0.25s, transform 0.25s;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.btn-primary:hover { background: #fff; transform: translateY(-2px); }

.btn-ghost {
  font-family: var(--mono); font-size: 12px;
  color: var(--muted); letter-spacing: 0.15em;
  text-transform: uppercase; text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px; transition: all 0.25s; cursor: none;
}
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }

/* ── Rotating Badge ────────────────────────────────────── */
.badge-dot {
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--accent);
  animation: pulse 2s infinite;
}
.badge-svg-wrap { animation: spin 20s linear infinite; }

/* ── Section Label ─────────────────────────────────────── */
.section-label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.section-label::before { content: '—'; }

.section-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1;
  margin-bottom: 64px;
}

/* ── Skills Grid ───────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.skill-card {
  background: var(--surface);
  padding: 40px 36px;
  position: relative; overflow: hidden;
  transition: background 0.3s;
}
.skill-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}
.skill-card:hover::before { transform: translateX(100%); }
.skill-card:hover { background: #16161f; }

.skill-tag {
  display: inline-block; margin-top: 16px; margin-right: 6px;
  padding: 3px 10px;
  border: 1px solid var(--border);
  font-family: var(--mono); font-size: 10px;
  color: var(--muted); letter-spacing: 0.08em;
  border-radius: 2px;
}

/* ── Marquee ───────────────────────────────────────────── */
.marquee-track {
  display: flex; gap: 0;
  animation: marquee 22s linear infinite;
  width: max-content;
}
.marquee-item {
  padding: 0 40px;
  font-family: var(--mono); font-size: 13px;
  color: var(--muted); letter-spacing: 0.15em;
  text-transform: uppercase; white-space: nowrap;
  border-right: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.marquee-item span { color: var(--accent); font-size: 16px; }

/* ── Projects Grid ─────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.project-card {
  background: var(--bg);
  padding: 44px 40px;
  position: relative; overflow: hidden;
  transition: background 0.3s;
  cursor: none;
}
.project-card:hover { background: var(--surface); }
.project-card .arrow {
  position: absolute; top: 44px; right: 40px;
  font-size: 20px; color: var(--border);
  transition: all 0.3s; transform: rotate(-45deg);
}
.project-card:hover .arrow { color: var(--accent); transform: rotate(0deg); }

/* Project tag colours */
.tag-flutter { color: #54c5f8; border-color: #54c5f826; background: #54c5f808; }
.tag-go      { color: #79d4fd; border-color: #79d4fd26; background: #79d4fd08; }
.tag-aws     { color: #ff9900; border-color: #ff990026; background: #ff990008; }
.tag-sql     { color: #a78bfa; border-color: #a78bfa26; background: #a78bfa08; }
.tag-grpc    { color: #00ffb3; border-color: #00ffb326; background: #00ffb308; }
.tag-http    { color: #fb7185; border-color: #fb718526; background: #fb718508; }

.project-tag {
  padding: 4px 10px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: 2px; border: 1px solid;
}

/* ── About ─────────────────────────────────────────────── */
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); margin-top: 48px;
}
.stat { background: var(--surface); padding: 28px 24px; }

.tech-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; border-bottom: 1px solid var(--border);
}
.tech-row:last-child { border-bottom: none; }

.tech-bar {
  width: 100%; height: 2px; background: var(--border);
  margin-top: 8px; border-radius: 1px; overflow: hidden;
}
.tech-bar-fill {
  height: 100%; background: var(--accent);
  border-radius: 1px;
  transform: scaleX(0); transform-origin: left;
}
.tech-bar-fill.animated {
  animation: barFill 1.4s cubic-bezier(0.23,1,0.32,1) forwards;
}

/* ── Contact ───────────────────────────────────────────── */
.contact-big {
  font-size: clamp(40px, 7vw, 100px);
  font-weight: 800; letter-spacing: -0.04em; line-height: 0.9;
  margin-bottom: 40px;
}
.contact-big em { font-style: normal; color: var(--accent); }

.contact-link {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px;
  color: var(--muted); text-decoration: none;
  letter-spacing: 0.15em; text-transform: uppercase;
  transition: all 0.25s;
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 100px;
}
.contact-link svg { transition: all 0.25s; }
.contact-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0,255,179,0.04);
  transform: translateY(-4px);
}
.contact-link:hover svg { stroke: var(--accent); fill: var(--accent); }

/* ── Scroll Reveal ─────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Keyframes ─────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes spin {
  from { transform: rotate(0deg); } to { transform: rotate(360deg); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 16px var(--accent); }
  50%       { box-shadow: 0 0 32px var(--accent), 0 0 8px var(--accent); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes barFill {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr; }
  .hero-badge    { display: none; }
}