/* ============================================================
   Nexora Development — main.css
   Global styles: variables, reset, typography, nav, footer,
   utilities, animations
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────── */
:root {
  --bg-void:         #0d0f0d;
  --bg-primary:      #151815;
  --bg-card:         #111311;
  --bg-elevated:     #1a1e1a;
  --green:           #00ff0d;
  --green-dim:       rgba(0, 255, 13, 0.07);
  --green-border:    rgba(0, 255, 13, 0.18);
  --green-glow:      rgba(0, 255, 13, 0.35);
  --text-primary:    #ddeedd;
  --text-secondary:  #6b7d6b;
  --text-muted:      #3d4d3d;
  --border:          rgba(255, 255, 255, 0.05);
  --border-strong:   rgba(255, 255, 255, 0.09);

  --font-display:    'Syne', sans-serif;
  --font-mono:       'Space Mono', monospace;
  --font-body:       'Inter', sans-serif;

  --nav-height:      72px;
  --container-max:   1280px;
  --radius:          6px;
  --radius-lg:       12px;

  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  --anim-duration:   0.6s;
  --anim-delay:      0s;
}

/* ── CSS Reset ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Noise overlay ──────────────────────────────────────── */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.028;
  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)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 192px 192px;
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track  { background: var(--bg-void); }
::-webkit-scrollbar-thumb  { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-border); }

/* ── Selection ──────────────────────────────────────────── */
::selection {
  background: var(--green);
  color: #000;
}

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; font-weight: 700; }
h5 { font-size: 1rem; font-weight: 700; }

p { color: var(--text-secondary); line-height: 1.7; }

a {
  color: var(--green);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}
a:hover { opacity: 0.8; }

strong { color: var(--text-primary); font-weight: 500; }
em { font-style: italic; }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

small { font-size: 0.8125rem; color: var(--text-muted); }

ul, ol { list-style: none; }

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

button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Custom Cursor ───────────────────────────────────────── */
@media (pointer: fine) {
  body { cursor: none; }
  a, button, [role="button"], label, select, input[type="submit"],
  input[type="button"], input[type="checkbox"], input[type="radio"] {
    cursor: none;
  }
}

.cursor-dot {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10001;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, opacity 0.2s ease;
  will-change: transform;
}

.cursor-ring {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 32px; height: 32px;
  border: 1.5px solid var(--green-border);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease, opacity 0.2s ease;
  will-change: transform;
}

@media (pointer: fine) {
  .cursor-dot, .cursor-ring { display: block; }
}

.cursor-ring.hovering {
  width: 48px; height: 48px;
  border-color: var(--green-glow);
}

/* ── Container ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Section ─────────────────────────────────────────────── */
.section {
  padding: 6rem 0;
}

/* ── Navigation ──────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition-base), backdrop-filter var(--transition-base),
              border-bottom var(--transition-base);
  border-bottom: 1px solid transparent;
}

.site-nav.scrolled {
  background: rgba(13, 15, 13, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border-strong);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.nav-logo:hover .logo-text { color: var(--green); }

.logo-pulse {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 var(--green-glow); }
  50%       { box-shadow: 0 0 0 6px transparent; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0 auto;
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--green-dim);
  opacity: 1;
}

.nav-link.active {
  color: var(--green);
}

.nav-cta { flex-shrink: 0; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0 8px;
  flex-shrink: 0;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile nav overlay ──────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bg-void);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.nav-overlay-close {
  position: absolute;
  top: 1.5rem; right: 2rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  transition: color var(--transition-fast);
}
.nav-overlay-close:hover { color: var(--text-primary); }

.nav-overlay-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-overlay-link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 800;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  letter-spacing: -0.02em;
}

.nav-overlay-link:hover,
.nav-overlay-link.active {
  color: var(--green);
  opacity: 1;
}

.nav-overlay-cta {
  margin-top: 1rem;
  font-size: 1rem !important; /* override display size for button */
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--green-border);
  background: var(--bg-void);
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 3rem;
  padding: 4rem 2rem 3rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  list-style: none;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-link:hover { color: var(--text-primary); opacity: 1; }

.footer-external::after {
  content: ' ↗';
  font-size: 0.75em;
  opacity: 0.5;
}

.footer-craft {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-muted { font-size: 0.875rem; color: var(--text-muted); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-bottom-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-admin-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-decoration: none;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}
.footer-admin-link:hover { opacity: 1; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: var(--green);
  color: #000;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast),
              box-shadow var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
}

.btn-primary:hover {
  background: #00e60c;
  color: #000;
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 255, 13, 0.28);
}

.btn-primary:active { transform: translateY(0); }

.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.85rem; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--transition-fast), color var(--transition-fast),
              background var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.btn-ghost:hover {
  border-color: var(--green-border);
  color: var(--green);
  background: var(--green-dim);
  opacity: 1;
  transform: translateY(-2px);
}

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  border-radius: 3px;
  line-height: 1.6;
}

.badge-green  { background: rgba(0, 255, 13, 0.12); color: var(--green); border: 1px solid var(--green-border); }
.badge-yellow { background: rgba(255, 200, 0, 0.12); color: #ffc800; border: 1px solid rgba(255, 200, 0, 0.25); }
.badge-red    { background: rgba(255, 50, 50, 0.12); color: #ff5050; border: 1px solid rgba(255, 50, 50, 0.25); }
.badge-blue   { background: rgba(0, 150, 255, 0.12); color: #60b8ff; border: 1px solid rgba(0, 150, 255, 0.25); }

/* ── Reveal animations ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--anim-duration) ease calc(var(--delay, 0) * 1ms),
              transform var(--anim-duration) ease calc(var(--delay, 0) * 1ms);
}

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

/* ── Section label ───────────────────────────────────────── */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  border-left: 2px solid var(--green);
  padding-left: 0.75rem;
  margin-bottom: 1.5rem;
}

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}

/* ── Error page ──────────────────────────────────────────── */
.error-page {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
}

.error-content {
  text-align: center;
  padding: 4rem 2rem;
}

.error-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 6rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.error-content h1 { margin-bottom: 1rem; }
.error-content p  { margin-bottom: 2rem; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-links  { gap: 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-col.footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-hamburger { display: flex; }

  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-col.footer-brand { grid-column: auto; }
  .footer-bottom-inner { flex-direction: column; gap: 0.5rem; text-align: center; }

  .section { padding: 4rem 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
}