*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Floating card animations */
@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(0.5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(-0.5deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(0.3deg); }
}

.card-float-1 { animation: float1 6s ease-in-out infinite; }
.card-float-2 { animation: float2 5s ease-in-out infinite 0.5s; }
.card-float-3 { animation: float3 7s ease-in-out infinite 0.3s; }
.card-float-4 { animation: float4 5.5s ease-in-out infinite 0.8s; }

/* Navigation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #FF6B57;
    transition: width 0.3s ease;
}

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

/* Mobile menu */
.mobile-link {
    position: relative;
}

/* Scroll-triggered animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.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; }

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

::-webkit-scrollbar-track {
    background: #0d1117;
}

::-webkit-scrollbar-thumb {
    background: #374151;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #FF6B57;
}

/* Selection */
::selection {
    background: rgba(255, 107, 87, 0.3);
    color: #f6f6f7;
}

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

#mobile-menu.close {
    opacity: 0;
    pointer-events: none;
}

/* Thin line accents */
.line-accent {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, #FF6B57, transparent);
}

/* Focus styles */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* Subtle hover lift for cards */
.group:hover .group-hover\\:scale-105 {
    transform: scale(1.05);
}