/* Scroll Animation Styles */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for multiple elements */
.scroll-animate:nth-child(1) { transition-delay: 0s; }
.scroll-animate:nth-child(2) { transition-delay: 0.1s; }
.scroll-animate:nth-child(3) { transition-delay: 0.15s; }
.scroll-animate:nth-child(4) { transition-delay: 0.2s; }
.scroll-animate:nth-child(5) { transition-delay: 0.25s; }
.scroll-animate:nth-child(6) { transition-delay: 0.3s; }
.scroll-animate:nth-child(7) { transition-delay: 0.35s; }
.scroll-animate:nth-child(8) { transition-delay: 0.4s; }
.scroll-animate:nth-child(9) { transition-delay: 0.45s; }

/* Hamburger Menu Animation */
#mobile-menu-btn {
    position: relative;
    width: 24px;
    height: 24px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: currentColor;
    position: absolute;
    left: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-line:nth-child(1) {
    top: 4px;
}

.hamburger-line:nth-child(2) {
    top: 11px;
}

.hamburger-line:nth-child(3) {
    top: 18px;
}

/* Hamburger active state (X) */
#mobile-menu-btn.active .hamburger-line:nth-child(1) {
    top: 11px;
    transform: rotate(45deg);
}

#mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

#mobile-menu-btn.active .hamburger-line:nth-child(3) {
    top: 11px;
    transform: rotate(-45deg);
}

/* Mobile Menu Slide Animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                margin-top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-menu.open {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
}

/* Hero initial state (will animate on page load) */
.hero-animate {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 0.8s ease-out forwards;
}

@keyframes heroFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-animate-delay-1 { animation-delay: 0.2s; }
.hero-animate-delay-2 { animation-delay: 0.4s; }
.hero-animate-delay-3 { animation-delay: 0.6s; }