/* ========================================
   ANIMATIONS & Scroll Effects
   ======================================== */

/* --- Fade In Animations --- */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos].visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* Staggered delays */
[data-aos-delay="100"].visible { transition-delay: 0.1s; }
[data-aos-delay="200"].visible { transition-delay: 0.2s; }
[data-aos-delay="300"].visible { transition-delay: 0.3s; }

/* --- Hero Entrance Animations --- */
.hero-badge {
    animation: fadeInDown 0.8s ease 0.2s both;
}

.hero-title {
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-subtitle {
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-cta {
    animation: fadeInUp 0.8s ease 1s both;
}

.scroll-indicator {
    animation: fadeInUp 0.8s ease 1.2s both;
}

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

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

/* --- Counter Animation --- */
.stat-number {
    display: inline-block;
}

/* --- Water ripple effect on hover --- */
.about-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(168, 216, 234, 0.15);
    transition: width 0.6s ease, height 0.6s ease, top 0.6s ease, left 0.6s ease;
    z-index: -1;
}

.about-card {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.about-card:hover::before {
    width: 300%;
    height: 300%;
    top: -100%;
    left: -100%;
}

/* --- Journey steps animation --- */
.journey-step {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.water-journey.visible .journey-step {
    opacity: 1;
    transform: translateY(0);
}

.water-journey.visible .journey-step:nth-child(1) { transition-delay: 0s; }
.water-journey.visible .journey-step:nth-child(2) { transition-delay: 0.15s; }
.water-journey.visible .journey-step:nth-child(3) { transition-delay: 0.3s; }
.water-journey.visible .journey-step:nth-child(4) { transition-delay: 0.45s; }
.water-journey.visible .journey-step:nth-child(5) { transition-delay: 0.6s; }

/* --- Product card hover effect --- */
.product-card .bottle {
    transition: transform 0.4s ease;
}

.product-card:hover .bottle {
    transform: scale(1.05) rotate(-2deg);
}

/* --- Water feature cards glow --- */
.water-feature::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.water-feature {
    position: relative;
    overflow: hidden;
}

.water-feature:hover::after {
    opacity: 1;
}

/* --- Smooth page transitions --- */
.section {
    will-change: opacity;
}

/* --- Particle float animation for game section --- */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(5deg); }
    75% { transform: translateY(5px) rotate(-3deg); }
}

/* --- Nav toggle animation --- */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Typing cursor for hero --- */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}