/* ==========================================================================
   WIPRAEXA CINEMATIC BRAND FILM INTRO / OPENING ANIMATION (4.8s)
   - Concept: Digital Marketing -> Website Development -> AI -> WIPRAEXA -> Reveal
   - Zero Jitter, GPU-Accelerated, High-End Tech Agency Aesthetic
   ========================================================================== */

/* Prevent initial scroll flash while intro is active */
html.intro-active,
body.intro-active {
  overflow: hidden !important;
  height: 100vh !important;
}

/* Fullscreen Overlay Container */
.wipraexa-intro {
  position: fixed;
  inset: 0;
  z-index: 999999;
  width: 100vw;
  height: 100vh;
  background: #02050a;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
  pointer-events: all;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.65s ease;
}

/* Fade Out Exit State */
.wipraexa-intro.intro-done {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: scale(1.04) translateY(-10px);
}

/* Atmospheric Background */
.intro-bg-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.intro-grid-mesh {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse at 50% 50%, rgba(0, 0, 0, 0.85) 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, rgba(0, 0, 0, 0.85) 0%, transparent 75%);
  opacity: 0.65;
}

.intro-glow-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(90vw, 720px);
  height: min(90vw, 720px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(147, 51, 234, 0.22) 0%, rgba(56, 189, 248, 0.12) 40%, transparent 70%);
  filter: blur(55px);
  animation: intro-glow-breathe 4.5s ease-in-out infinite alternate;
}

@keyframes intro-glow-breathe {
  0% { transform: translate(-50%, -50%) scale(0.85); opacity: 0.5; }
  100% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.95; }
}

/* Skip Button (Sleek Minimalist Glass) */
.intro-skip-btn {
  position: absolute;
  top: 28px;
  right: 28px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #94a3b8;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  cursor: pointer;
  opacity: 0;
  animation: intro-skip-appear 0.5s 0.8s ease forwards;
  transition: all 0.25s ease;
}

.intro-skip-btn:hover {
  color: #ffffff;
  border-color: rgba(147, 51, 234, 0.6);
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 0 22px rgba(147, 51, 234, 0.35);
  transform: translateY(-1px);
}

.skip-key {
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.65rem;
  color: #cbd5e1;
}

@keyframes intro-skip-appear {
  to { opacity: 0.75; }
}

/* Central Animation Stage */
.intro-stage {
  position: relative;
  z-index: 10;
  width: min(92vw, 920px);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* ==========================================================================
   PHASE 0: Glowing Seed Origin (0.0s - 0.6s)
   ========================================================================== */
.intro-seed-origin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: seed-lifecycle 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.seed-core {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 18px #38bdf8, 0 0 34px #9333ea;
}

.seed-aura {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid rgba(56, 189, 248, 0.85);
  animation: seed-pulse 0.6s ease-out forwards;
}

@keyframes seed-pulse {
  0% { transform: scale(0.2); opacity: 1; }
  100% { transform: scale(3.8); opacity: 0; }
}

@keyframes seed-lifecycle {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.3); }
  40% { opacity: 1; transform: translate(-50%, -50%) scale(1.4); }
  85% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(0); }
}

/* ==========================================================================
   PHRASES SHARED STYLING (Digital Marketing, Web Dev, AI)
   ========================================================================== */
.intro-phrase {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.phrase-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #38bdf8;
  margin-bottom: 12px;
  opacity: 0.9;
}

.phrase-title {
  font-size: clamp(2rem, 5.5vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin: 0;
  line-height: 1.1;
  text-transform: uppercase;
}

/* PHASE 1: DIGITAL MARKETING (0.60s - 1.45s) */
.phrase-marketing {
  animation: phrase-marketing-anim 0.9s 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.phrase-laser-lines {
  position: absolute;
  bottom: -16px;
  width: min(80%, 420px);
  height: 2px;
  display: flex;
  justify-content: space-between;
}

.phrase-laser-lines .laser-l,
.phrase-laser-lines .laser-r {
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, #9333ea, #38bdf8, transparent);
  transform: scaleX(0);
  animation: laser-expand 0.85s 0.65s ease forwards;
}

@keyframes laser-expand {
  0% { transform: scaleX(0); opacity: 0; }
  50% { transform: scaleX(1); opacity: 1; }
  100% { transform: scaleX(1.2); opacity: 0; }
}

@keyframes phrase-marketing-anim {
  0% {
    opacity: 0;
    visibility: visible;
    filter: blur(14px);
    transform: translate(-50%, -50%) scale(0.92);
    letter-spacing: 0.04em;
  }
  25% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1);
    letter-spacing: 0.06em;
  }
  75% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1.02);
    letter-spacing: 0.08em;
  }
  100% {
    opacity: 0;
    visibility: hidden;
    filter: blur(10px);
    transform: translate(-50%, -50%) scale(1.08);
    letter-spacing: 0.12em;
  }
}

/* PHASE 2: WEBSITE DEVELOPMENT (1.45s - 2.30s) */
.phrase-webdev {
  animation: phrase-webdev-anim 0.9s 1.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.phrase-wireframe-bracket {
  position: absolute;
  inset: -10px -24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  font-family: monospace;
  font-size: 1.6rem;
  font-weight: 700;
  color: #d8b4fe;
  opacity: 0.6;
}

@keyframes phrase-webdev-anim {
  0% {
    opacity: 0;
    visibility: visible;
    filter: blur(12px);
    transform: translate(-50%, -50%) scale(0.94);
  }
  25% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1);
  }
  75% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1.02);
  }
  100% {
    opacity: 0;
    visibility: hidden;
    filter: blur(8px);
    transform: translate(-50%, -50%) scale(1.06);
  }
}

/* PHASE 3: AI (2.30s - 3.05s) */
.phrase-ai {
  animation: phrase-ai-anim 0.8s 2.30s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ai-emblem-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  height: 220px;
  margin: 0 auto;
}

.ai-title {
  font-size: clamp(3.8rem, 9vw, 6.5rem) !important;
  font-weight: 900 !important;
  letter-spacing: 0.05em !important;
  background: linear-gradient(135deg, #ffffff 30%, #38bdf8 70%, #c026d3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(56, 189, 248, 0.6);
  z-index: 5;
}

.ai-orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(56, 189, 248, 0.5);
  pointer-events: none;
}

.ai-orbit-ring.ring-inner {
  width: 150px;
  height: 150px;
  animation: ai-spin-ring 6s linear infinite;
}

.ai-orbit-ring.ring-outer {
  width: 200px;
  height: 200px;
  border: 1px solid rgba(192, 38, 211, 0.35);
  animation: ai-spin-ring 8s linear infinite reverse;
}

@keyframes ai-spin-ring {
  100% { transform: rotate(360deg); }
}

.ai-neural-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 14px #38bdf8;
}

.ai-neural-node.node-1 { top: 12%; left: 50%; transform: translateX(-50%); }
.ai-neural-node.node-2 { top: 50%; right: 8%; transform: translateY(-50%); background: #c026d3; box-shadow: 0 0 14px #c026d3; }
.ai-neural-node.node-3 { bottom: 12%; left: 50%; transform: translateX(-50%); }
.ai-neural-node.node-4 { top: 50%; left: 8%; transform: translateY(-50%); background: #c026d3; box-shadow: 0 0 14px #c026d3; }

@keyframes phrase-ai-anim {
  0% {
    opacity: 0;
    visibility: visible;
    filter: blur(14px);
    transform: translate(-50%, -50%) scale(0.85);
  }
  25% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1);
  }
  75% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1.05);
  }
  100% {
    opacity: 0;
    visibility: hidden;
    filter: blur(10px);
    transform: translate(-50%, -50%) scale(1.15);
  }
}

/* ==========================================================================
   PHASE 4 & 5: CONVERGENCE ➔ WIPRAEXA BRAND REVEAL (3.05s - 4.60s)
   ========================================================================== */
.intro-brand-reveal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  animation: brand-reveal-anim 1.7s 3.05s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Converging Inward Ray Streams */
.converge-streams {
  position: absolute;
  inset: -60px;
  pointer-events: none;
  overflow: hidden;
}

.converge-streams .stream {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.85), transparent);
  height: 2px;
  border-radius: 999px;
  opacity: 0;
  animation: stream-converge 0.7s 3.05s ease-out forwards;
}

.stream-top { top: 10%; left: 20%; width: 60%; transform: rotate(15deg); }
.stream-left { bottom: 25%; left: 5%; width: 40%; transform: rotate(-25deg); }
.stream-right { bottom: 25%; right: 5%; width: 40%; transform: rotate(25deg); }

@keyframes stream-converge {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; }
  100% { opacity: 0; transform: scale(1.2); }
}

/* Logo Lockup Matching Exact Website Branding */
.intro-logo-lockup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 14px;
}

.intro-logo-mark {
  position: relative;
  width: clamp(48px, 7vw, 68px);
  height: clamp(48px, 7vw, 68px);
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #9333ea, #c026d3);
  color: #ffffff;
  border-radius: 18px;
  box-shadow: 0 12px 36px rgba(147, 51, 234, 0.6), 0 0 30px rgba(192, 38, 211, 0.4);
}

.intro-logo-letter {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 900;
  line-height: 1;
}

.intro-logo-glow {
  position: absolute;
  inset: -6px;
  border-radius: 22px;
  background: linear-gradient(135deg, #38bdf8, #c026d3);
  filter: blur(12px);
  opacity: 0.5;
  z-index: -1;
  animation: logo-glow-pulse 2s ease-in-out infinite alternate;
}

@keyframes logo-glow-pulse {
  0% { opacity: 0.4; filter: blur(10px); }
  100% { opacity: 0.8; filter: blur(18px); }
}

.intro-logo-text-wrap {
  position: relative;
  display: inline-block;
  overflow: hidden;
}

.intro-brand-name {
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #ffffff;
  line-height: 1;
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.2);
}

/* Light Sweep across the brand name */
.intro-shimmer-sweep {
  position: absolute;
  top: 0;
  left: -120%;
  width: 70%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  transform: skewX(-25deg);
  pointer-events: none;
  animation: shimmer-pass 1.1s 3.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes shimmer-pass {
  0% { left: -120%; opacity: 0; }
  30% { opacity: 1; }
  100% { left: 160%; opacity: 0; }
}

.intro-tagline {
  font-size: clamp(0.9rem, 1.8vw, 1.2rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #cbd5e1;
  text-transform: uppercase;
  margin: 6px 0 0;
  opacity: 0.85;
}

@keyframes brand-reveal-anim {
  0% {
    opacity: 0;
    visibility: visible;
    filter: blur(16px);
    transform: translate(-50%, -50%) scale(0.9);
  }
  20% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1);
  }
  80% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1.02);
  }
  100% {
    opacity: 1;
    visibility: visible;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1.03);
  }
}

/* ==========================================================================
   TIMELINE FILL BAR (Bottom Minimal Line)
   ========================================================================== */
.intro-timeline-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.05);
  z-index: 30;
}

.intro-timeline-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #9333ea, #38bdf8, #c026d3);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.8);
  animation: timeline-progress 4.7s cubic-bezier(0.2, 0, 0.2, 1) forwards;
}

@keyframes timeline-progress {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* ==========================================================================
   ACCESSIBILITY: PREFERS REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .intro-seed-origin,
  .intro-phrase,
  .converge-streams,
  .intro-shimmer-sweep {
    display: none !important;
    animation: none !important;
  }

  .intro-brand-reveal {
    opacity: 1 !important;
    visibility: visible !important;
    animation: none !important;
    transform: translate(-50%, -50%) scale(1) !important;
  }

  .intro-timeline-fill {
    animation-duration: 0.8s !important;
  }
}

/* Mobile Responsiveness */
@media (max-width: 640px) {
  .intro-skip-btn {
    top: 18px;
    right: 18px;
    padding: 6px 12px;
    font-size: 0.65rem;
  }
  .intro-logo-lockup {
    gap: 12px;
  }
  .phrase-title {
    font-size: clamp(1.8rem, 7.5vw, 2.8rem);
  }
  .ai-emblem-wrap {
    width: 160px;
    height: 160px;
  }
}

.intro-brand-logo-img {
  width: min(88vw, 440px);
  height: auto;
  max-height: 125px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 35px rgba(147, 51, 234, 0.65)) drop-shadow(0 0 60px rgba(56, 189, 248, 0.45));
}