/* ═══════════════════════════════════════════════
   animations.css — Eye-catching animations & effects
   OpenRelay · FIKSI 2026
═══════════════════════════════════════════════ */

/* ── PAGE LOAD TRANSITION ── */
body {
  animation: pageLoad 0.8s ease-out both;
}

@keyframes pageLoad {
  from {
    opacity: 0;
    filter: blur(6px) brightness(1.5);
  }
  50% {
    filter: blur(2px) brightness(1.1);
  }
  to {
    opacity: 1;
    filter: none;
  }
}

/* ── SCROLL REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }
.reveal-delay-4 { transition-delay: 0.48s; }

/* ── FLOATING PARTICLES CONTAINER ── */
.particle-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--amber);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  10% {
    opacity: 0.6;
    transform: translateY(90vh) scale(1);
  }
  90% {
    opacity: 0.2;
    transform: translateY(10vh) scale(0.5);
  }
  100% {
    opacity: 0;
    transform: translateY(-5vh) scale(0);
  }
}

/* ── AURORA GLOW BACKGROUND ── */
.aurora-glow {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(245, 158, 11, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(56, 189, 248, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 40% 80%, rgba(34, 197, 94, 0.02) 0%, transparent 50%);
  animation: auroraShift 20s ease-in-out infinite alternate;
}

@keyframes auroraShift {
  0% { transform: translate(0%, 0%) rotate(0deg); }
  33% { transform: translate(2%, -1%) rotate(1deg); }
  66% { transform: translate(-1%, 2%) rotate(-1deg); }
  100% { transform: translate(1%, -2%) rotate(0.5deg); }
}

/* ── MAGNETIC BUTTON EFFECTS ── */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn:hover::after {
  transform: translateX(100%);
}

.btn-primary {
  animation: btnGlow 3s ease-in-out infinite;
}

@keyframes btnGlow {
  0%, 100% { box-shadow: 0 0 0 rgba(245, 158, 11, 0); }
  50% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.3), 0 0 40px rgba(245, 158, 11, 0.1); }
}

/* ── CARD TILT / 3D HOVER ── */
.feature-card,
.comp-badge,
.access-card,
.broker-card,
.mqtt-card,
.team-card,
.fiksi-badge,
.school-card {
  transition: border-color 0.3s ease, 
              transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              box-shadow 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(245, 158, 11, 0.08);
}

.comp-badge:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.access-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.team-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 30px rgba(245, 158, 11, 0.08);
}

/* ── TYPING CURSOR EFFECT ── */
.typing-cursor::after {
  content: '█';
  color: var(--amber);
  animation: cursorBlink 1s step-end infinite;
  font-weight: 300;
  margin-left: 2px;
}

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

/* ── GLOWING BORDER ANIMATION ── */
.glow-border {
  position: relative;
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    var(--amber),
    var(--amber3),
    transparent,
    var(--amber),
    var(--amber3)
  );
  background-size: 300% 300%;
  animation: glowRotate 6s linear infinite;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.glow-border:hover::before {
  opacity: 1;
}

@keyframes glowRotate {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── STAGGER CHILDREN ANIMATION ── */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  animation: staggerIn 0.5s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(9) { animation-delay: 0.45s; }

@keyframes staggerIn {
  to {
    opacity: 1;
    transform: none;
  }
}

/* ── HERO TEXT GLOW EFFECT ── */
.hero h1 .accent {
  text-shadow: 0 0 40px rgba(245, 158, 11, 0.4),
               0 0 80px rgba(245, 158, 11, 0.15);
  animation: textGlow 4s ease-in-out infinite alternate;
}

@keyframes textGlow {
  0% { 
    text-shadow: 0 0 30px rgba(245, 158, 11, 0.3),
                 0 0 60px rgba(245, 158, 11, 0.1); 
  }
  100% { 
    text-shadow: 0 0 50px rgba(245, 158, 11, 0.5),
                 0 0 100px rgba(245, 158, 11, 0.2),
                 0 0 150px rgba(245, 158, 11, 0.08); 
  }
}

/* ── STAT NUMBER GLOW ── */
.stat-num {
  transition: text-shadow 0.3s ease;
}

.stat:hover .stat-num {
  text-shadow: 0 0 15px rgba(245, 158, 11, 0.6);
}

/* ── RELAY DOT ENHANCED GLOW ── */
.relay-dot {
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}

.relay-dot.on {
  box-shadow: 0 0 7px rgba(245, 158, 11, 0.8), 0 0 14px rgba(245, 158, 11, 0.3);
}

.relay-dot.alt {
  box-shadow: 0 0 7px rgba(34, 197, 94, 0.8), 0 0 14px rgba(34, 197, 94, 0.3);
}

/* ── NAV LOGO PULSE ── */
.nav-logo-mark {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-logo:hover .nav-logo-mark {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

/* ── SECTION TAG ANIMATION ── */
.section-tag::before {
  transition: width 0.4s ease;
}

.section-tag:hover::before {
  width: 40px;
}

/* ── FOOTER LINK ANIMATIONS ── */
.footer-links-list a {
  position: relative;
  display: inline-block;
}

.footer-links-list a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--amber);
  transition: width 0.3s ease;
}

.footer-links-list a:hover::after {
  width: 100%;
}

/* ── PULSING DOTS ── */
.dot-live {
  animation: dotPulse 2s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
}

@keyframes dotPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

/* ── HIGHLIGHT ITEMS ENTRANCE ── */
.highlight-item {
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.highlight-item:hover {
  transform: translateX(8px);
  border-color: var(--border2);
  background: rgba(245, 158, 11, 0.04);
}

.highlight-item:hover::before {
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
}

/* ── SPEC ROW SLIDE ── */
.spec-row {
  transition: background 0.2s ease, padding-left 0.3s ease;
}

.spec-row:hover {
  padding-left: 28px;
  background: rgba(245, 158, 11, 0.03);
}

/* ── SKILL TAG HOVER ── */
.skill-tag {
  transition: all 0.3s ease;
}

.skill-tag:hover {
  background: var(--amber-dim);
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

/* ── ARCH NODE ANIMATED BORDER ── */
.arch-node {
  position: relative;
  overflow: hidden;
}

.arch-node::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--amber);
  transition: width 0.4s ease;
}

.arch-node:hover::after {
  width: 100%;
}

/* ── TIMELINE ANIMATION ── */
.timeline-item {
  transition: transform 0.3s ease;
}

.timeline-item:hover {
  transform: translateX(6px);
}

.timeline-dot {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.timeline-item:hover .timeline-dot.done {
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

/* ── CODE CARD LINE ANIMATION ── */
.code-card {
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.code-card:hover {
  border-color: var(--border2);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

/* ── HERO BADGE FLOAT ── */
.hero-badge {
  animation: hero-fade-down 0.6s ease both, badgeFloat 4s ease-in-out 0.6s infinite;
}

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ── SCANLINE ENHANCED ── */
.scanline {
  opacity: 0.12;
  height: 3px;
  background: linear-gradient(90deg, transparent 5%, var(--amber) 40%, var(--amber2) 50%, var(--amber) 60%, transparent 95%);
  filter: blur(0.5px);
}

/* ── HUD BRACKET GLOW ── */
.hud-bracket {
  opacity: 0.3;
  animation: bracketGlow 6s ease-in-out infinite alternate;
}

.bracket-tl { animation-delay: 0s; }
.bracket-tr { animation-delay: 1.5s; }
.bracket-bl { animation-delay: 3s; }
.bracket-br { animation-delay: 4.5s; }

@keyframes bracketGlow {
  0% { opacity: 0.2; }
  50% { opacity: 0.6; }
  100% { opacity: 0.2; }
}

/* ── SIGNAL FLOW NODE PULSATING ── */
.signal-flow-node {
  animation: nodePulse 3s ease-in-out infinite;
}

.signal-flow-node:nth-child(1) { animation-delay: 0s; }
.signal-flow-node:nth-child(3) { animation-delay: 0.4s; }
.signal-flow-node:nth-child(5) { animation-delay: 0.8s; }
.signal-flow-node:nth-child(7) { animation-delay: 1.2s; }
.signal-flow-node:nth-child(9) { animation-delay: 1.6s; }

@keyframes nodePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.2); }
  50% { box-shadow: 0 0 16px 2px rgba(245, 158, 11, 0.15); }
}

/* ── SMOOTH SCROLLBAR GLOW ── */
::-webkit-scrollbar-thumb {
  transition: background 0.3s;
}

/* ── BADGE SHIMMER ── */
.badge {
  position: relative;
  overflow: hidden;
}

.badge::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    135deg,
    transparent 40%,
    rgba(255, 255, 255, 0.08) 50%,
    transparent 60%
  );
  animation: badgeShimmer 4s ease-in-out infinite;
}

@keyframes badgeShimmer {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

/* ── COMP BANNER GRADIENT ANIMATION ── */
.comp-banner {
  background-size: 200% 200%;
  animation: bannerGradient 15s ease infinite;
}

@keyframes bannerGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── TOPIC ROW GLOW ── */
.topic-row {
  transition: background 0.2s ease, padding-left 0.3s ease;
}

.topic-row:hover {
  padding-left: 28px;
}

/* ── ACCESS CARD ICON BOUNCE ── */
.access-card:hover .access-icon {
  animation: iconBounce 0.5s ease;
}

@keyframes iconBounce {
  0% { transform: scale(1); }
  40% { transform: scale(1.2); }
  70% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* ── LINK HOVER GLOW ── */
.nav-links li a {
  position: relative;
}

.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--amber);
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
  width: 60%;
}

/* ── CURSOR TRAIL (applied via JS) ── */
.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--amber);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  opacity: 0;
  transition: opacity 0.3s, transform 0.15s;
  mix-blend-mode: screen;
}

.cursor-dot.active {
  opacity: 0.6;
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .particle-field { display: none; }
  .aurora-glow { display: none; }
}