/* ============================================================
   PhishDestroy Design System v1.0
   Unified tokens, nav, footer, glass, buttons, animations
   ============================================================ */

/* --- FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Orbitron:wght@700;800;900&display=swap');

/* --- DESIGN TOKENS --- */
:root {
  /* Backgrounds */
  --pd-bg-primary: #0a0f14;
  --pd-bg-card: #0f1620;
  --pd-bg-elevated: #141b25;
  --pd-bg-glass: rgba(15, 20, 30, 0.7);
  --pd-bg-glass-subtle: rgba(15, 20, 30, 0.4);

  /* Text */
  --pd-text: #eaf7ff;
  --pd-text-muted: #9fb8cc;
  --pd-text-dim: #6b8399;

  /* Accent Colors */
  --pd-accent: #22c55e;
  --pd-accent-rgb: 34, 197, 94;
  --pd-accent-hover: #16a34a;
  --pd-cyan: #21e6c1;
  --pd-cyan-rgb: 33, 230, 193;
  --pd-secondary: #3b82f6;
  --pd-secondary-rgb: 59, 130, 246;
  --pd-danger: #ef4444;
  --pd-danger-rgb: 239, 68, 68;
  --pd-warning: #f59e0b;
  --pd-purple: #7a5cff;
  --pd-purple-rgb: 122, 92, 255;

  /* Borders & Effects */
  --pd-border: rgba(255, 255, 255, 0.08);
  --pd-border-hover: rgba(34, 197, 94, 0.3);
  --pd-radius: 16px;
  --pd-radius-sm: 10px;
  --pd-radius-xs: 6px;
  --pd-blur: blur(16px) saturate(150%);
  --pd-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  --pd-shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.4);
  --pd-glow-accent: 0 0 20px rgba(var(--pd-accent-rgb), 0.15);
  --pd-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --pd-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --pd-transition-slow: 0.6s cubic-bezier(0.19, 1, 0.22, 1);

  /* Layout */
  --pd-container: 1200px;
  --pd-header-h: 72px;
}

/* --- BASE --- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--pd-header-h) + 16px);
}

body.pd-body,
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--pd-text);
  background-color: var(--pd-bg-primary);
  line-height: 1.6;
  margin: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background glow effect */
body.pd-body::before,
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 800px 600px at 15% 20%, rgba(var(--pd-accent-rgb), 0.06), transparent 60%),
    radial-gradient(ellipse 900px 700px at 85% 80%, rgba(var(--pd-purple-rgb), 0.05), transparent 60%);
  pointer-events: none;
}

.pd-container {
  max-width: var(--pd-container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Heading font */
.pd-heading-hero {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
}

/* --- SKIP LINK --- */
.pd-skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  background: var(--pd-accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--pd-radius-sm);
  z-index: 10000;
  font-weight: 700;
  text-decoration: none;
  transition: top var(--pd-transition);
}
.pd-skip-link:focus {
  top: 16px;
}

/* --- GLASS --- */
.pd-glass {
  background: var(--pd-bg-glass);
  backdrop-filter: var(--pd-blur);
  -webkit-backdrop-filter: var(--pd-blur);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius);
}

.pd-glass-subtle {
  background: var(--pd-bg-glass-subtle);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius);
}

/* ============================================================
   UNIFIED HEADER / NAV
   ============================================================ */
.pd-site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  height: var(--pd-header-h);
  background: rgba(10, 15, 20, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--pd-border);
  transition: background var(--pd-transition), box-shadow var(--pd-transition);
}

.pd-site-header.scrolled {
  background: rgba(10, 15, 20, 0.92);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.pd-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--pd-header-h);
}

.pd-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.pd-brand img {
  height: 38px;
  width: auto;
  transition: opacity var(--pd-transition);
}

.pd-brand:hover img {
  opacity: 0.85;
}

/* Nav list */
.pd-nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pd-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  color: var(--pd-text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--pd-radius-xs);
  position: relative;
  transition: color var(--pd-transition), background var(--pd-transition);
}

.pd-nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--pd-accent);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform var(--pd-transition);
}

.pd-nav-link:hover {
  color: var(--pd-text);
  text-decoration: none;
}

.pd-nav-link:hover::after {
  transform: scaleX(1);
}

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

.pd-nav-link.active::after {
  transform: scaleX(1);
}

/* GitHub nav icon */
.pd-nav-github {
  padding: 8px 10px;
}

.pd-nav-github svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: fill var(--pd-transition);
}

/* Live nav button */
.pd-nav-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(var(--pd-danger-rgb), 0.1);
  border: 1px solid rgba(var(--pd-danger-rgb), 0.25);
  border-radius: var(--pd-radius-sm);
  color: #ff6b6b;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: all var(--pd-transition);
}

.pd-nav-live:hover {
  background: rgba(var(--pd-danger-rgb), 0.2);
  border-color: rgba(var(--pd-danger-rgb), 0.4);
  transform: translateY(-1px);
  text-decoration: none;
  color: #ff8a8a;
}

.pd-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pd-danger);
  box-shadow: 0 0 8px var(--pd-danger);
  animation: pdLivePulse 1.8s ease-in-out infinite;
}

@keyframes pdLivePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* Mobile nav toggle */
.pd-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-xs);
  color: var(--pd-text);
  font-size: 1.3rem;
  padding: 8px 12px;
  cursor: pointer;
  transition: all var(--pd-transition);
}

.pd-nav-toggle:hover {
  border-color: var(--pd-border-hover);
  color: var(--pd-accent);
}

/* Mobile nav */
@media (max-width: 991px) {
  .pd-nav-list {
    display: none;
    position: absolute;
    top: var(--pd-header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 12px 24px 20px;
    background: rgba(10, 15, 20, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--pd-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  }

  .pd-nav-list.open {
    display: flex;
  }

  .pd-nav-link {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9rem;
    border-radius: var(--pd-radius-xs);
  }

  .pd-nav-link:hover {
    background: rgba(255, 255, 255, 0.04);
  }

  .pd-nav-link::after {
    display: none;
  }

  .pd-nav-live {
    margin-top: 8px;
    justify-content: center;
  }

  .pd-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .pd-brand img {
    height: 30px;
  }
}

/* ============================================================
   UNIFIED FOOTER
   ============================================================ */
.pd-site-footer {
  background: #080c10;
  border-top: 1px solid var(--pd-border);
  padding: 56px 0 0;
  margin-top: 80px;
  position: relative;
}

.pd-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.pd-footer-brand p {
  color: var(--pd-text-dim);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 14px 0 0;
  max-width: 300px;
}

.pd-footer-brand img {
  height: 36px;
  width: auto;
}

.pd-footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.pd-footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--pd-border);
  color: var(--pd-text-muted);
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--pd-transition);
}

.pd-footer-socials a:hover {
  background: rgba(var(--pd-accent-rgb), 0.1);
  border-color: rgba(var(--pd-accent-rgb), 0.3);
  color: var(--pd-accent);
  transform: translateY(-2px);
}

.pd-footer-col h4 {
  color: var(--pd-accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 16px;
}

.pd-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pd-footer-col li {
  margin-bottom: 10px;
}

.pd-footer-col a {
  color: var(--pd-text-dim);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color var(--pd-transition);
}

.pd-footer-col a:hover {
  color: var(--pd-accent);
  text-decoration: none;
}

.pd-footer-cta h4 {
  color: var(--pd-accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 10px;
}

.pd-footer-cta p {
  color: var(--pd-text-dim);
  font-size: 0.88rem;
  margin: 0 0 16px;
}

.pd-footer-bottom {
  border-top: 1px solid var(--pd-border);
  margin-top: 40px;
  padding: 20px 0;
  text-align: center;
}

.pd-footer-bottom p {
  color: var(--pd-text-dim);
  font-size: 0.82rem;
  margin: 0;
}

@media (max-width: 991px) {
  .pd-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .pd-footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .pd-site-footer {
    padding: 40px 0 0;
    margin-top: 50px;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.pd-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--pd-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--pd-transition);
}

.pd-btn:hover {
  text-decoration: none;
}

.pd-btn-primary {
  background: var(--pd-accent);
  color: #000;
  border-color: var(--pd-accent);
}

.pd-btn-primary:hover {
  background: var(--pd-accent-hover);
  border-color: var(--pd-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(var(--pd-accent-rgb), 0.25);
}

.pd-btn-ghost {
  background: transparent;
  color: var(--pd-text);
  border-color: var(--pd-border);
}

.pd-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.pd-btn-danger {
  background: rgba(var(--pd-danger-rgb), 0.12);
  color: #ff6b6b;
  border-color: rgba(var(--pd-danger-rgb), 0.3);
}

.pd-btn-danger:hover {
  background: rgba(var(--pd-danger-rgb), 0.2);
  transform: translateY(-2px);
}

/* ============================================================
   CARD
   ============================================================ */
.pd-card {
  background: var(--pd-bg-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius);
  overflow: hidden;
  transition: transform var(--pd-transition), border-color var(--pd-transition), box-shadow var(--pd-transition);
}

.pd-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--pd-accent-rgb), 0.25);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), var(--pd-glow-accent);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

/* Scroll reveal */
.pd-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.19, 1, 0.22, 1), transform 0.7s cubic-bezier(0.19, 1, 0.22, 1);
}

.pd-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.pd-reveal[data-delay="1"] { transition-delay: 0.08s; }
.pd-reveal[data-delay="2"] { transition-delay: 0.16s; }
.pd-reveal[data-delay="3"] { transition-delay: 0.24s; }
.pd-reveal[data-delay="4"] { transition-delay: 0.32s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .pd-reveal { opacity: 1; transform: none; }
  .pd-live-dot { animation: none; }
}