/* Custom animations and utilities */

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes float-delay {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-15px) scale(1.03); }
}

@keyframes scroll-line {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delay {
    animation: float-delay 8s ease-in-out infinite;
}

.animate-scroll-line {
    animation: scroll-line 2s ease-in-out infinite;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #020c1b;
}

::-webkit-scrollbar-thumb {
    background: #14b8a6;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2dd4bf;
}

/* Selection color */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: white;
}

/* Fade-in animation for sections */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Nav active state */
.nav-link.active {
    color: #2dd4bf !important;
}

/* Mobile menu open state */
.mobile-menu-open #mobile-menu {
    opacity: 1 !important;
    pointer-events: all !important;
}

.mobile-menu-open .menu-line:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-open .menu-line:nth-child(3) {
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
    width: 6px;
    left: calc(50% - 12px);
    margin-left: 0;
}

/* Image hover zoom container */
img {
    will-change: transform;
}

/* Subtle line separators */
.divider-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(20, 184, 166, 0.3), transparent);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #2dd4bf;
    outline-offset: 2px;
}