/**
 * Animations v3 - Modern
 */

/* ========================================
   KEYFRAMES
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

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

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

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

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes scaleInSpring {
    from { opacity: 0; transform: scale(0.7); }
    to   { opacity: 1; transform: scale(1); }
}

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

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.7; transform: scale(1.05); }
}

@keyframes pulseSoft {
    0%, 100% { box-shadow: 0 0 0 0 var(--glow-blue); }
    50%       { box-shadow: 0 0 0 12px rgba(37,99,235,0); }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-12px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33%       { transform: translateY(-16px) rotate(1deg); }
    66%       { transform: translateY(-8px) rotate(-1deg); }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-24px); }
}

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

@keyframes gradientRotate {
    0%   { --angle: 0deg; }
    100% { --angle: 360deg; }
}

@keyframes shimmer {
    from { background-position: -200% center; }
    to   { background-position: 200% center; }
}

@keyframes morphBlob {
    0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    25%       { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
    50%       { border-radius: 50% 60% 30% 60% / 40% 30% 60% 50%; }
    75%       { border-radius: 40% 70% 60% 30% / 70% 40% 50% 40%; }
}

@keyframes ripple {
    0%   { transform: scale(0); opacity: 0.6; }
    100% { transform: scale(4); opacity: 0; }
}

@keyframes drawLine {
    from { stroke-dashoffset: 1000; }
    to   { stroke-dashoffset: 0; }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px var(--glow-blue); }
    50%       { box-shadow: 0 0 50px var(--glow-blue), 0 0 80px var(--glow-blue); }
}

@keyframes textGlow {
    0%, 100% { text-shadow: 0 0 20px rgba(37,99,235,0.5); }
    50%       { text-shadow: 0 0 40px rgba(37,99,235,0.9), 0 0 60px rgba(37,99,235,0.4); }
}

@keyframes skeleton-loading {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(20px); }
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0.6; }
    25%       { transform: translateY(-30px) translateX(10px) rotate(90deg); opacity: 1; }
    50%       { transform: translateY(-15px) translateX(-15px) rotate(180deg); opacity: 0.8; }
    75%       { transform: translateY(-40px) translateX(5px) rotate(270deg); opacity: 0.6; }
}

/* ========================================
   ANIMATION CLASSES
   ======================================== */
.animate-fadeIn        { animation: fadeIn 0.5s ease forwards; }
.animate-fadeInUp      { animation: fadeInUp 0.6s ease forwards; }
.animate-fadeInDown    { animation: fadeInDown 0.6s ease forwards; }
.animate-fadeInLeft    { animation: fadeInLeft 0.6s ease forwards; }
.animate-fadeInRight   { animation: fadeInRight 0.6s ease forwards; }
.animate-scaleIn       { animation: scaleIn 0.4s ease forwards; }
.animate-scaleInSpring { animation: scaleInSpring 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards; }
.animate-pulse         { animation: pulse 2s infinite; }
.animate-spin          { animation: spin 1s linear infinite; }
.animate-bounce        { animation: bounce 1.5s ease-in-out infinite; }
.animate-float         { animation: float 4s ease-in-out infinite; }
.animate-floatSlow     { animation: floatSlow 6s ease-in-out infinite; }
.animate-shimmer       { animation: shimmer 2.5s linear infinite; }
.animate-glowPulse     { animation: glowPulse 2s ease-in-out infinite; }
.animate-morphBlob     { animation: morphBlob 8s ease-in-out infinite; }

/* Stagger delays */
.delay-1  { animation-delay: 0.1s; }
.delay-2  { animation-delay: 0.2s; }
.delay-3  { animation-delay: 0.3s; }
.delay-4  { animation-delay: 0.4s; }
.delay-5  { animation-delay: 0.5s; }
.delay-6  { animation-delay: 0.6s; }
.delay-7  { animation-delay: 0.7s; }
.delay-8  { animation-delay: 0.8s; }

/* ========================================
   SCROLL REVEAL
   ======================================== */
.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: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1),
                transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1),
                transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.88);
    transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1),
                transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

.reveal-blur {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(20px);
    transition: opacity 0.8s ease, filter 0.8s ease, transform 0.8s ease;
}
.reveal-blur.visible {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

/* ========================================
   GRADIENT TEXT SHIMMER
   ======================================== */
.gradient-text-animated {
    background: linear-gradient(90deg,
        var(--color-secondary-light) 0%,
        var(--color-accent) 30%,
        var(--color-accent-2) 60%,
        var(--color-secondary-light) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

/* ========================================
   RIPPLE EFFECT
   ======================================== */
.btn-ripple {
    position: relative;
    overflow: hidden;
}
.btn-ripple .ripple-circle,
.btn .ripple-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
    width: 10px;
    height: 10px;
    margin: 0;
    padding: 0;
    display: block;
    flex-shrink: 0;
}