/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

/* ── Utility ── */
.container { max-width: 7xl; margin: 0 auto; padding: 0 1rem; }

/* ── Buttons ── */
.btn-primary, .btn-secondary, .btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 9999px;
    font-family: 'Work Sans', system-ui, sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.25s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: #C0603A;
    color: #fff;
    box-shadow: 0 4px 14px rgba(192, 96, 58, 0.35);
}
.btn-primary:hover {
    background: #a84e2e;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(192, 96, 58, 0.45);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    backdrop-filter: blur(4px);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-1px);
}

.btn-nav {
    background: #C0603A;
    color: #fff;
    padding: 0.55rem 1.25rem;
    border-radius: 9999px;
    box-shadow: 0 2px 10px rgba(192, 96, 58, 0.3);
}
.btn-nav:hover {
    background: #a84e2e;
    transform: translateY(-1px);
}

/* ── Nav Links ── */
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #C0603A;
    border-radius: 2px;
    transition: width 0.25s ease;
}
.nav-link:hover::after { width: 100%; }

/* ── Mobile Nav ── */
.mobile-nav-link {
    display: block;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.mobile-nav-link:last-child { border-bottom: none; }

/* ── Cards ── */
.card { will-change: transform; }
@media (prefers-reduced-motion: no-preference) {
    .card {
        animation: cardIn 0.6s ease both;
    }
    .card:nth-child(2) { animation-delay: 0.1s; }
    .card:nth-child(3) { animation-delay: 0.2s; }
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Header States ── */
#site-header {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
#site-header.scrolled {
    background: rgba(250, 246, 240, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}
#site-header.scrolled .nav-link { color: #44403c; }
#site-header.scrolled .nav-link::after { background: #C0603A; }
#site-header.scrolled .menu-icon-open,
#site-header.scrolled .menu-icon-close { color: #44403c; }

/* ── Mobile Menu Animation ── */
#mobile-menu {
    animation: slideDown 0.25s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 767px) {
    .font-display { font-size: clamp(2rem, 8vw, 3rem); }
}