/* ============================================
   CREDIAN — Animations
   All keyframes and animation utilities
   ============================================ */

/* ---- Keyframes ---- */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeLeft {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeRight {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(2deg); }
  50% { transform: translateY(-5px) rotate(-1deg); }
  75% { transform: translateY(-20px) rotate(1deg); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(5deg); }
}

@keyframes floatReverse {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(25px) rotate(-3deg); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes pulseScale {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

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

@keyframes meshGradient {
  0%, 100% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 50% 0%;
  }
  50% {
    background-position: 100% 50%;
  }
  75% {
    background-position: 50% 100%;
  }
}

@keyframes drawLine {
  from { height: 0; }
  to { height: 100%; }
}

@keyframes drawLineHorizontal {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes checkmark {
  from {
    stroke-dashoffset: 24;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes borderGlow {
  0%, 100% {
    border-color: rgba(43, 77, 168, 0.3);
    box-shadow: 0 0 15px rgba(43, 77, 168, 0.1);
  }
  50% {
    border-color: rgba(58, 170, 110, 0.5);
    box-shadow: 0 0 25px rgba(58, 170, 110, 0.15);
  }
}

@keyframes morphRhombus {
  0%, 100% { 
    transform: rotate(45deg) scale(1);
    border-radius: 8px;
  }
  33% { 
    transform: rotate(45deg) scale(1.1);
    border-radius: 12px;
  }
  66% { 
    transform: rotate(45deg) scale(0.95);
    border-radius: 6px;
  }
}

@keyframes staggerReveal {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes navSlideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes expandAccordion {
  from {
    max-height: 0;
    opacity: 0;
  }
  to {
    max-height: 500px;
    opacity: 1;
  }
}

/* ---- Scroll Reveal Classes ---- */
/* These are activated by Intersection Observer in animations.js */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger delay utility classes */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ---- Hero Entry Animation ---- */

.hero-enter {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-enter:nth-child(1) { animation-delay: 0.1s; }
.hero-enter:nth-child(2) { animation-delay: 0.25s; }
.hero-enter:nth-child(3) { animation-delay: 0.4s; }
.hero-enter:nth-child(4) { animation-delay: 0.55s; }

/* ---- Shimmer Button Effect ---- */

.btn-shimmer {
  position: relative;
  overflow: hidden;
}

.btn-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  transition: left 0.5s ease;
}

.btn-shimmer:hover::after {
  left: 100%;
}

/* ---- Animated Underline for links ---- */

.link-animated {
  position: relative;
  display: inline-block;
}

.link-animated::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ---- Morphing Decorative Rhombuses ---- */

.rhombus-deco {
  position: absolute;
  width: 60px;
  height: 60px;
  border: 2px solid rgba(255,255,255,0.15);
  transform: rotate(45deg);
  border-radius: 8px;
  pointer-events: none;
}

.rhombus-deco--filled {
  background: rgba(43, 77, 168, 0.1);
  border-color: rgba(43, 77, 168, 0.2);
}

.rhombus-deco--green {
  background: rgba(58, 170, 110, 0.1);
  border-color: rgba(58, 170, 110, 0.2);
}

.rhombus-deco--1 {
  top: 15%;
  left: 8%;
  width: 50px;
  height: 50px;
  animation: float 8s ease-in-out infinite, morphRhombus 12s ease-in-out infinite;
}

.rhombus-deco--2 {
  top: 25%;
  right: 12%;
  width: 80px;
  height: 80px;
  animation: floatSlow 10s ease-in-out infinite, morphRhombus 15s ease-in-out infinite;
  animation-delay: 1s;
}

.rhombus-deco--3 {
  bottom: 20%;
  left: 15%;
  width: 40px;
  height: 40px;
  animation: floatReverse 9s ease-in-out infinite;
  animation-delay: 2s;
}

.rhombus-deco--4 {
  bottom: 30%;
  right: 8%;
  width: 65px;
  height: 65px;
  animation: float 11s ease-in-out infinite;
  animation-delay: 0.5s;
}

.rhombus-deco--5 {
  top: 60%;
  left: 5%;
  width: 35px;
  height: 35px;
  animation: floatSlow 7s ease-in-out infinite;
  animation-delay: 3s;
}

/* ---- Page Transition ---- */

.page-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-brand);
  z-index: 10000;
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}

.page-transition-overlay.active-enter {
  animation: pageTransitionIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.page-transition-overlay.active-leave {
  animation: pageTransitionOut 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes pageTransitionIn {
  from { transform: scaleY(0); transform-origin: bottom; }
  to { transform: scaleY(1); transform-origin: bottom; }
}

@keyframes pageTransitionOut {
  from { transform: scaleY(1); transform-origin: top; }
  to { transform: scaleY(0); transform-origin: top; }
}

/* ---- Steps line draw ---- */

.steps-line {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--gradient-brand);
  transform: translateX(-50%);
  transition: height 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.steps-line.animate {
  height: 100%;
}

/* ---- Counter animation ---- */

.counter-number {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ---- Accordion animation ---- */

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

.accordion-icon {
  transition: transform var(--transition-base);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

/* ---- Card Lift Effect ---- */

.card-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

/* ---- Cursor Custom ---- */

.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-blue);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease, background 0.3s ease;
  mix-blend-mode: difference;
  display: none;
}

.custom-cursor.active {
  width: 40px;
  height: 40px;
  border-color: var(--color-green);
  background: rgba(58, 170, 110, 0.1);
}

@media (pointer: fine) {
  .custom-cursor {
    display: block;
  }
}

@media (max-width: 768px) {
  .custom-cursor {
    display: none;
  }
}

/* ---- Timeline Animation ---- */

.timeline-item {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item:nth-child(even) {
  transform: translateX(30px);
}

.timeline-item.revealed {
  opacity: 1;
  transform: translateX(0);
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-gray-mid);
  transform: translateX(-50%);
}

.timeline-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: var(--gradient-brand);
  transition: height 2s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-line.animate::after {
  height: 100%;
}