.gradient-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-weight: 500;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-sizing: border-box;
}

.gradient-button i { 
    margin: 0 8px; 
    transition: all 0.3s ease;
    display: inline-flex;
}
.gradient-button span { 
    transition: all 0.3s ease;
    display: inline-flex;
    position: relative;
    z-index: 2;
}

/* Размеры */
.button-small { padding: 8px 16px; font-size: 14px; }
.button-medium { padding: 12px 24px; font-size: 16px; }
.button-large { padding: 16px 32px; font-size: 18px; }
.button-x { padding: 20px 40px; font-size: 20px; }
.button-xx { padding: 24px 48px; font-size: 24px; }

/* Иконки при наведении */
.icon-hover i { opacity: 0; transform: translateX(-10px); }
.icon-hover:hover i { opacity: 1; transform: translateX(0); }

/* Анимации */

/* Wave Reveal */
.animation-wave::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transform: skewX(-20deg);
    transition: all 0.5s ease;
    z-index: 1;
}
.animation-wave:hover::before { left: 100%; }
.animation-wave:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

/* Scale Rotate */
.animation-scale { transform-origin: center; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.animation-scale:hover { transform: scale(1.05) rotate(2deg); box-shadow: 0 10px 25px rgba(0,0,0,0.2); }
.animation-scale:hover span { animation: scaleText 0.3s ease; }
@keyframes scaleText {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Slide Fill */
.animation-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.15);
    transition: width 0.4s ease;
    z-index: 1;
}
.animation-slide:hover::before { width: 100%; }
.animation-slide i { transition: transform 0.4s ease; }
.animation-slide.icon-left i { transform: translateX(-5px); }
.animation-slide.icon-right i { transform: translateX(5px); }
.animation-slide:hover.icon-left i { transform: translateX(5px); }
.animation-slide:hover.icon-right i { transform: translateX(-5px); }
.animation-slide:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.15); }

/* Glow Pulse */
.animation-glow { box-shadow: 0 0 0 rgba(255,255,255,0); }
.animation-glow:hover { animation: glowPulse 1.5s infinite; transform: translateY(-2px); }
@keyframes glowPulse {
    0% { box-shadow: 0 0 0 rgba(255,255,255,0); }
    50% { box-shadow: 0 0 20px rgba(255,255,255,0.5); }
    100% { box-shadow: 0 0 0 rgba(255,255,255,0); }
}

/* Splash Water */
.animation-splash { transition: all 0.1s ease; }
.animation-splash:hover { animation: splashShake 0.5s ease; box-shadow: 0 8px 20px rgba(0,0,0,0.15); }
.animation-splash::before,
.animation-splash::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    opacity: 0;
    z-index: 1;
    transition: all 0.5s ease;
}
.animation-splash::before { top: -10px; left: 10%; }
.animation-splash::after { bottom: -10px; right: 10%; }
.animation-splash:hover::before { opacity: 1; transform: translate(-15px, -15px) scale(1.5); }
.animation-splash:hover::after { opacity: 1; transform: translate(15px, 15px) scale(1.5); }
@keyframes splashShake {
    0% { transform: translate(0, 0); }
    20% { transform: translate(-2px, 1px) rotate(-1deg); }
    40% { transform: translate(2px, -1px) rotate(1deg); }
    60% { transform: translate(-1px, 2px) rotate(-0.5deg); }
    80% { transform: translate(1px, -2px) rotate(0.5deg); }
    100% { transform: translate(0, 0); }
}

/* Liquid Flow */
.animation-liquid {
    position: relative;
    transition: all 0.2s ease;
}
.animation-liquid .liquid-filter {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}
.animation-liquid:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* Совместимость с баннерами */
.banner .gradient-button { margin: 0 auto; display: inline-flex; }