/* Reset & Base */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Custom scrollbar */
::-webkit-scrollbar { 
    width: 10px; 
}
::-webkit-scrollbar-track { 
    background: #f8fafc; 
}
::-webkit-scrollbar-thumb { 
    background: #cbd5e1; 
    border-radius: 5px;
    border: 2px solid #f8fafc;
}
::-webkit-scrollbar-thumb:hover { 
    background: #94a3b8; 
}

/* Hide scrollbar but keep scrolling */
.no-scrollbar {
  -ms-overflow-style: none;  /* IE/Edge legacy */
  scrollbar-width: none;     /* Firefox */
}
.no-scrollbar::-webkit-scrollbar {
  display: none;             /* Chrome/Safari */
}

/* Header Glassmorphism States */
#main-header.scrolled, 
#main-header.mobile-open {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    box-shadow: 0 4px 20px -5px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

/* Mobile Menu Transitions */
#mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* Reveal on Scroll Core */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform, opacity;
}

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

/* Infinite Scroll Animation */
.animate-scroll {
    display: inline-flex;
    animation: scroll 35s linear infinite;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Helper for smooth transitions on all interactive elements */
a, button, input, textarea {
    transition: all 0.2s ease-in-out;
}

/* Language Switcher */
.lang-btn {
    color: #64748b;
    position: relative;
    z-index: 100;
}

.lang-btn.active {
    background-color: #0d9488;
    color: white;
}

.lang-btn:hover:not(.active) {
    background-color: #f1f5f9;
}

/* Mobile language switcher container */
@media (max-width: 768px) {
    .md\:hidden > div {
        position: relative;
        z-index: 100;
    }
}

/* Slider Navigation */
.slider-container {
    position: relative;
    padding: 20px 0;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #cbd5e1;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    color: #475569;
    font-size: 16px;
}

.slider-arrow:hover {
    background: #0d9488;
    border-color: #0d9488;
    color: white;
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.slider-arrow.left {
    left: 10px;
}

.slider-arrow.right {
    right: 10px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 14px;
        border-width: 1.5px;
    }

    .slider-arrow.left {
        left: 5px;
    }

    .slider-arrow.right {
        right: 5px;
    }
}

.slider-track {
    cursor: grab !important;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    touch-action: pan-y;
}

.slider-track:active {
    cursor: grabbing !important;
}

.slider-track.paused {
    animation-play-state: paused !important;
}