/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Navbar */
#navbar {
    background: rgba(255, 255, 255, 0.0);
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 20px rgba(30, 58, 95, 0.08);
    backdrop-filter: blur(12px);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #c9a84c, #e4b44a);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

/* Floating cards animation */
.floating-card-1 {
    animation: float1 4s ease-in-out infinite;
}

.floating-card-2 {
    animation: float2 5s ease-in-out infinite;
}

.floating-card-3 {
    animation: float3 6s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(-1deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Scroll reveal animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal[data-revealed="false"] {
    opacity: 0;
    transform: translateY(30px);
}

/* Mobile menu */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile link hover */
.mobile-link {
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid rgba(30, 58, 95, 0.06);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* Subtle gradient borders on cards */
.bg-gradient-to-br {
    background-size: 200% 200%;
    transition: background-position 0.5s ease;
}

/* Form focus states */
input:focus, select:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

/* Button hover lift */
button:hover, a:hover {
    transform: translateY(-1px);
}

button:active, a:active {
    transform: translateY(0);
}

/* Selection color */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #1e3a5f;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal[data-revealed="false"] {
        opacity: 1;
        transform: none;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .floating-card-1,
    .floating-card-2,
    .floating-card-3 {
        display: none;
    }
}

@media (max-width: 640px) {
    html {
        scroll-padding-top: 70px;
    }
}