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

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

body {
    overflow-x: hidden;
}

::selection {
    background: #1B4332;
    color: #FDFCF8;
}

/* ========== NAVIGATION ========== */
#header {
    background: rgba(253, 252, 248, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(27, 67, 50, 0.06);
}

#header.scrolled {
    background: rgba(253, 252, 248, 0.95);
    box-shadow: 0 1px 20px rgba(27, 67, 50, 0.06);
}

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

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

body.menu-open {
    overflow: hidden;
}

/* ========== HERO ANIMATIONS ========== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.stat-card {
    animation: float 4s ease-in-out infinite;
}

.stat-card.animate-float-delayed {
    animation: float-delayed 4s ease-in-out infinite 1.5s;
}

/* ========== SERVICE CARDS ========== */
.service-card {
    opacity: 1;
    transform: translateY(0);
}

/* ========== SCROLL REVEAL ========== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Staggered delays */
.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

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

::-webkit-scrollbar-track {
    background: #FAF8F2;
}

::-webkit-scrollbar-thumb {
    background: #b5cfba;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #46854f;
}

/* ========== FOCUS ========== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #1B4332;
    outline-offset: 3px;
    border-radius: 4px;
}

/* ========== IMAGE PLACEHOLDER ========== */
img {
    max-width: 100%;
    height: auto;
}