/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* ===== PARTICLE FLOAT ===== */
@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(20px);
        opacity: 0;
    }
}

/* ===== PULSE GLOW ===== */
@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(56, 189, 248, 0.4);
    }
}

/* ===== SMOOTH HOVER TRANSITIONS ===== */
.glass-card {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.4s ease;
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

/* ===== COUNTER ANIMATION ===== */
.stat-number {
    transition: all 0.3s ease;
}

/* ===== LOADING SHIMMER ===== */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s ease-in-out infinite;
}

/* ===== FLOATING PARTICLES ===== */
.particle {
    position: fixed;
    width: 2px;
    height: 2px;
    background: rgba(56, 189, 248, 0.4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

/* ===== NAVBAR TRANSITION ===== */
.navbar {
    transition: padding 0.4s ease, background 0.4s ease, backdrop-filter 0.4s ease;
}

/* ===== LINK UNDERLINE ANIMATION ===== */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #38bdf8;
    border-radius: 1px;
    transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

.nav-link.active::after {
    width: 100%;
    left: 0;
}

/* ===== BUTTON PRESS EFFECT ===== */
.btn:active {
    transform: translateY(0) scale(0.98);
}

/* ===== CARD TILT EFFECT ===== */
.benefit-card,
.feature-card,
.audience-card,
.team-card {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s ease,
                border-color 0.4s ease,
                background 0.4s ease;
}

/* ===== SMOOTH PAGE TRANSITIONS ===== */
.main-content {
    animation: pageIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== TYPING CURSOR (for hero) ===== */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ===== GRADIENT TEXT ANIMATION ===== */
.text-gradient-animated {
    background: linear-gradient(135deg, #38bdf8, #818cf8, #38bdf8);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
}

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

/* ===== RIPPLE EFFECT ===== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
    opacity: 0;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
    opacity: 1;
    transition: 0s;
}