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

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

/* ========== NAVBAR SCROLLED STATE ========== */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

#navbar.scrolled {
    background: rgba(253, 252, 248, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 20px rgba(26, 92, 42, 0.08);
}

/* ========== FLOATING ANIMATIONS ========== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

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

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

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* ========== SCROLL REVEAL (progressive enhancement) ========== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

    .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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Service cards staggered reveal */
.service-card {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========== FOCUS STYLES ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #1a5c2a;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========== MOBILE MENU TRANSITION ========== */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

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

::-webkit-scrollbar-track {
    background: #faf8f0;
}

::-webkit-scrollbar-thumb {
    background: #a8d4b5;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6fb887;
}

/* ========== SELECTION ========== */
::selection {
    background: #a8d4b5;
    color: #0a2712;
}