/* ============================================================
   GLOBAL LAYOUT & EFFECTS
   ============================================================ */

/* ── SCANLINE OVERLAY ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.07) 2px,
    rgba(0, 0, 0, 0.07) 4px
  );
  pointer-events: none;
  z-index: 9990;
}

/* ── NOISE TEXTURE ── */
body::after {
  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='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9989;
  opacity: 0.5;
}

/* ── CUSTOM CURSOR ── */
.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform var(--t-fast), width var(--t-mid), height var(--t-mid);
  mix-blend-mode: screen;
}

.cursor-ring {
  position: fixed;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(0, 229, 160, 0.45);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width var(--t-mid), height var(--t-mid);
}

.cursor-dot.hover  { transform: translate(-50%, -50%) scale(2.5); }
.cursor-ring.hover { width: 46px; height: 46px; }

@media (hover: none) {
  .cursor-dot, .cursor-ring { display: none; }
  body { cursor: auto; }
}

/* ── PAGE WRAPPER ── */
.page-wrapper {
  padding-top: var(--nav-h);
  min-height: 100vh;
}

/* ── CONTAINER ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad);
}

/* ── SECTION HEADER ── */
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section-num {
  font-size: 0.68rem;
  color: var(--green);
  letter-spacing: 0.12em;
  font-weight: 500;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--sans);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.65rem 1.4rem;
  border-radius: 3px;
  transition: all var(--t-mid);
  cursor: pointer;
  border: 1px solid transparent;
  font-weight: 500;
}

.btn-primary {
  background: var(--green);
  color: var(--bg);
  border-color: var(--green);
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--green-dim);
  border-color: var(--green-dim);
  box-shadow: var(--glow-green);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border2);
}
.btn-secondary:hover {
  color: var(--green);
  border-color: var(--green);
  background: var(--green-glow2);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: transparent;
  padding-left: 0;
}
.btn-ghost:hover {
  color: var(--green);
}

/* ── TAGS / BADGES ── */
.tag {
  display: inline-block;
  font-size: 0.68rem;
  padding: 0.22rem 0.6rem;
  border: 1px solid var(--border2);
  border-radius: 2px;
  color: var(--text-dim);
  background: var(--bg2);
  letter-spacing: 0.06em;
  transition: all var(--t-fast);
}
.tag:hover {
  color: var(--green);
  border-color: var(--green);
  background: var(--green-glow2);
}

.stack-chip {
  display: inline-block;
  font-size: 0.65rem;
  padding: 0.18rem 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 2px;
  color: var(--green-dim);
  font-family: var(--mono);
  letter-spacing: 0.04em;
  transition: all var(--t-fast);
}
.stack-chip:hover {
  border-color: var(--green);
  color: var(--green);
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.45);
  }
  60% {
    opacity: 0.85;
    box-shadow: 0 0 0 6px rgba(0, 229, 160, 0);
  }
}

@keyframes scanMove {
  from { background-position: 0 0; }
  to   { background-position: 0 100%; }
}

.anim-fade-up {
  opacity: 0;
  animation: fadeUp 0.55s ease forwards;
}
.anim-fade-up.d1 { animation-delay: 0.08s; }
.anim-fade-up.d2 { animation-delay: 0.16s; }
.anim-fade-up.d3 { animation-delay: 0.24s; }
.anim-fade-up.d4 { animation-delay: 0.32s; }
.anim-fade-up.d5 { animation-delay: 0.40s; }
.anim-fade-up.d6 { animation-delay: 0.48s; }

/* ── STATUS DOT ── */
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  animation: pulse 2.2s infinite;
}

/* ── TERMINAL CURSOR ── */
.t-cursor {
  display: inline-block;
  width: 7px;
  height: 1em;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1.1s step-end infinite;
  margin-left: 1px;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.71rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 0.75rem;
}

footer a {
  color: var(--text-dim);
  transition: color var(--t-fast);
}
footer a:hover { color: var(--green); }

.footer-copy { display: flex; align-items: center; gap: 0.4rem; }
.footer-copy .green { color: var(--green); }

.footer-links {
  display: flex;
  gap: 1.5rem;
}

/* ── SCROLL INTO VIEW ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── SELECTION ── */
::selection {
  background: rgba(0, 229, 160, 0.2);
  color: var(--text-bright);
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-dark); }