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

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

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(74, 124, 89, 0.2);
    color: #1f422c;
}

/* ========== NAVBAR ========== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(253, 251, 247, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(45, 90, 61, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4A7C59;
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

/* ========== MOBILE MENU ========== */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    position: relative;
}

/* ========== FLOATING CARDS ========== */
.floating-card-1 {
    animation: float1 6s ease-in-out infinite;
}

.floating-card-2 {
    animation: float2 7s ease-in-out infinite;
}

.floating-card-3 {
    animation: float3 5s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-14px) rotate(1deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-18px) rotate(-1deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(0.5deg); }
}

/* ========== REVEAL ANIMATIONS ========== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), 
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Default visible state for above-the-fold safety */
.reveal-up {
    transform: translateY(0);
}

.reveal-left {
    transform: translateX(0);
}

.reveal-right {
    transform: translateX(0);
}

/* Active state when JS adds .revealed */
.reveal-up.revealed {
    transform: translateY(0);
}

.reveal-left.revealed {
    transform: translateX(0);
}

.reveal-right.revealed {
    transform: translateX(0);
}

/* ========== CARD HOVER EFFECTS ========== */
.bg-white.rounded-3xl {
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), 
                box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #F5F0E2;
}

::-webkit-scrollbar-thumb {
    background: #b8d1bb;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8fb892;
}

/* ========== 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;
    }
    
    .floating-card-1,
    .floating-card-2,
    .floating-card-3 {
        animation: none;
    }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.15;
    }
}