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

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

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

/* ── Hero Gradient ── */
.hero-gradient {
    background: linear-gradient(
        135deg,
        #0a1a12 0%,
        #1a3a2a 25%,
        #284a2c 40%,
        #336137 55%,
        #1a3a2a 75%,
        #0a1a12 100%
    );
    background-size: 300% 300%;
    animation: gradientShift 12s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal[data-state="hidden"] {
    opacity: 0;
    transform: translateY(24px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }

    .reveal.visible {
        opacity: 1;
        transform: none;
    }
}

/* ── Service Card Hover ── */
.service-card {
    transition: background-color 0.4s ease;
}

/* ── Navbar Transition ── */
#site-header {
    background: transparent;
}

#site-header.scrolled {
    background: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(26, 58, 42, 0.08);
}

#site-header.scrolled #nav-logo,
#site-header.scrolled #nav-brand {
    color: #1a3a2a;
}

/* ── Mobile Menu ── */
.mobile-nav-link {
    position: relative;
}

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

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

/* ── Custom Select Arrow ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b8f6b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ── Focus Styles ── */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ── Selection ── */
::selection {
    background: rgba(26, 58, 42, 0.15);
    color: #1a3a2a;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f5f3ee;
}

::-webkit-scrollbar-thumb {
    background: #b9d0b9;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8fb88f;
}