/* ===== BASE & RESET ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: #F5F5DC;
    color: #1a1a1a;
    overflow-x: hidden;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal-on-scroll {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    
    .reveal-on-scroll.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reduced motion: no transitions */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ===== NAVBAR ===== */
#navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(6, 78, 59, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* ===== HERO ===== */
#hero {
    position: relative;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, #F5F5DC, transparent);
    pointer-events: none;
    z-index: 1;
}

/* ===== BUTTONS ===== */
a, button {
    cursor: pointer;
}

/* ===== SELECTION ===== */
::selection {
    background-color: #047857;
    color: #F5F5DC;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #F5F5DC;
}
::-webkit-scrollbar-thumb {
    background: #047857;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #064E3B;
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    animation: slideDown 0.3s ease-out;
}

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

/* ===== CARD HOVER EFFECTS ===== */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* ===== FORM FOCUS ===== */
input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.15);
}

/* ===== IMAGE LOADING ===== */
img {
    background-color: #e5e7eb;
}

/* ===== GEOMETRIC DECORATIONS ===== */
.geometric-accent {
    position: absolute;
    pointer-events: none;
}

/* ===== UTILITY ===== */
.text-gradient {
    background: linear-gradient(135deg, #047857, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}