/* ─── Base & Utilities ─── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
::selection { background: #166534; color: #fdfcfa; }

/* ─── Header ─── */
#site-header { background: transparent; }
#site-header.scrolled { background: rgba(253,252,250,0.97); backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgba(0,0,0,0.06); }
#site-header.scrolled #logo-name,
#site-header.scrolled .nav-link { color: #1c1917; }
#site-header.scrolled #logo-sub { color: #78716c; }
#site-header.scrolled #logo-icon { color: #15803d; }

.nav-link { color: #57534e; transition: color 0.3s ease; }

/* ─── Mobile Menu ─── */
#mobile-menu.open { opacity: 1; pointer-events: all; }
#mobile-menu.closed { opacity: 0; pointer-events: none; }
.menu-icon-open { display: block; }
.menu-icon-close { display: none; }
body.menu-open { overflow: hidden; }
body.menu-open .menu-icon-open { display: none; }
body.menu-open .menu-icon-close { display: block; }

/* ─── Hero ─── */
.hero-eyebrow { opacity: 0; transform: translateY(16px); animation: fadeUp 0.8s 0.3s ease forwards; }
.hero-title { opacity: 0; transform: translateY(24px); animation: fadeUp 0.9s 0.5s ease forwards; }
.hero-subtitle { opacity: 0; transform: translateY(20px); animation: fadeUp 0.8s 0.7s ease forwards; }
.hero-ctas { opacity: 0; transform: translateY(16px); animation: fadeUp 0.8s 0.9s ease forwards; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Scroll Reveal ─── */
.reveal { opacity: 1; transform: translateY(0); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: no-preference) {
    .reveal { opacity: 0; transform: translateY(32px); }
    .reveal.revealed { opacity: 1; transform: translateY(0); }
}

/* ─── Section Eyebrow ─── */
.section-eyebrow { letter-spacing: 0.2em; }

/* ─── Service Cards ─── */
.service-card { position: relative; }
.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #f5f0e8;
    transition: all 0.5s ease;
    transform: translateX(-50%);
}
.service-card:hover::after { width: 60%; }

/* ─── Approach Items ─── */
.approach-item { transition: background 0.3s ease; }

/* ─── Form ─── */
input:focus, textarea:focus { box-shadow: 0 0 0 3px rgba(22,101,52,0.1); }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f5f4f0; }
::-webkit-scrollbar-thumb { background: #d6d3cd; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a8a29e; }
</style>