/* ============================================================
   RK Textile — Animations & Micro-Interactions
   ============================================================ */

/* ============================================================
   1. KEYFRAME ANIMATIONS
   ============================================================ */

/* Pulse dot (hero badge) */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.5);
  }
}

/* Floating orbs */
@keyframes float-slow {
  0%, 100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(20px, -30px);
  }
  50% {
    transform: translate(-10px, 20px);
  }
  75% {
    transform: translate(15px, -10px);
  }
}

/* Floating + rotating geometric shapes */
@keyframes float-rotate {
  0%, 100% {
    transform: rotate(0deg) translate(0, 0);
  }
  25% {
    transform: rotate(90deg) translate(10px, -15px);
  }
  50% {
    transform: rotate(180deg) translate(-5px, 10px);
  }
  75% {
    transform: rotate(270deg) translate(8px, -5px);
  }
}

/* Scroll indicator dot */
@keyframes scroll-dot {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(14px);
  }
}

/* Fade in up */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Scale in */
@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Slide in from left */
@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide in from right */
@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Gradient rotation for hero background */
@keyframes gradient-rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Shimmer effect for loading states */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Gentle breathing glow */
@keyframes glow-breathe {
  0%, 100% {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.1);
  }
  50% {
    box-shadow: 0 0 40px rgba(37, 99, 235, 0.2);
  }
}


/* ============================================================
   2. SCROLL-TRIGGERED REVEAL ANIMATIONS
   ============================================================ */

/* Base state — hidden before scroll trigger */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* Variant: fade in from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Variant: fade in from right */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Variant: scale in */
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Staggered children delays */
.stagger-children > .reveal:nth-child(1) { transition-delay: 0s; }
.stagger-children > .reveal:nth-child(2) { transition-delay: 0.08s; }
.stagger-children > .reveal:nth-child(3) { transition-delay: 0.16s; }
.stagger-children > .reveal:nth-child(4) { transition-delay: 0.24s; }
.stagger-children > .reveal:nth-child(5) { transition-delay: 0.32s; }
.stagger-children > .reveal:nth-child(6) { transition-delay: 0.40s; }
.stagger-children > .reveal:nth-child(7) { transition-delay: 0.48s; }
.stagger-children > .reveal:nth-child(8) { transition-delay: 0.56s; }

/* Hero entrance animations */
.hero-animate-1 {
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-animate-2 {
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.hero-animate-3 {
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

.hero-animate-4 {
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
}


/* ============================================================
   3. HOVER MICRO-INTERACTIONS
   ============================================================ */

/* Card hover interactive gradient */
.card-interactive {
  position: relative;
  overflow: hidden;
}

.card-interactive::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(37, 99, 235, 0.04),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

.card-interactive:hover::before {
  opacity: 1;
}

.card-interactive > * {
  position: relative;
  z-index: 1;
}

/* Button ripple on click */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3), transparent 70%);
  transform: scale(0);
  transition: transform 0.5s ease;
  border-radius: inherit;
}

.btn:active::after {
  transform: scale(2.5);
  opacity: 0;
  transition: transform 0.5s ease, opacity 0.3s ease 0.1s;
}

/* Link underline animation */
.link-hover {
  position: relative;
  display: inline;
}

.link-hover::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent-blue);
  border-radius: var(--radius-full);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-hover:hover::after {
  width: 100%;
}

/* Nav link hover indicator */
.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  border-radius: var(--radius-full);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 20px;
}

/* Image/card tilt on hover */
.tilt-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
  perspective: 1000px;
}


/* ============================================================
   4. LOADING ANIMATIONS
   ============================================================ */

/* Page loader */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--light-gray);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}


/* ============================================================
   5. SMOOTH PAGE TRANSITIONS
   ============================================================ */

/* Navbar scroll transition */
.navbar {
  transition: background 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Stats counter animation base */
.counter-animate {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}


/* ============================================================
   6. REDUCED MOTION PREFERENCE
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
  
  .hero-bg .gradient-orb,
  .hero-bg .geo-shape {
    animation: none;
  }
  
  .cursor-glow {
    display: none;
  }
}