/* Base & Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: #1B4332;
    color: #FAF9F6;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #1B4332;
    transition: width 0.3s ease;
}

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

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(250, 249, 246, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(27, 67, 50, 0.08);
}

.nav-scrolled .nav-link {
    color: #1B4332 !important;
}

.nav-scrolled .nav-link::after {
    background: #1B4332;
}

/* Mobile menu */
.mobile-nav-link {
    position: relative;
    transition: transform 0.3s ease;
}

.mobile-nav-link:hover {
    transform: translateX(8px);
}

/* Floating cards */
.floating-card {
    z-index: 10;
}

.card-float-1 {
    animation: floatSlow 6s ease-in-out infinite;
}

.card-float-2 {
    animation: floatSlow 5s ease-in-out infinite reverse;
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* Scroll reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-reveal-delay="1"] { transition-delay: 0.1s; }
.reveal[data-reveal-delay="2"] { transition-delay: 0.2s; }
.reveal[data-reveal-delay="3"] { transition-delay: 0.3s; }
.reveal[data-reveal-delay="4"] { transition-delay: 0.4s; }
.reveal[data-reveal-delay="5"] { transition-delay: 0.5s; }

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .floating-card { animation: none; }
    .reveal { transition: none; }
    .reveal { opacity: 1; transform: none; }
    img { transition: none; }
}

/* Image hover transitions */
.group:hover img {
    transform: scale(1.05);
}