/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ── Marquee Animation ── */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.animate-marquee {
    animation: marquee 30s linear infinite;
}
.animate-marquee:hover {
    animation-play-state: paused;
}

/* ── Navigation ── */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* ── Sticky Header Scroll State ── */
#site-header.scrolled {
    background: rgba(253, 248, 240, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(58, 42, 30, 0.08);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

/* ── Scroll Reveal (Progressive Enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 0;
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-up { transform: translateY(32px); }
    .reveal-left { transform: translateX(-32px); }
    .reveal-right { transform: translateX(32px); }

    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #C2703E;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FDF8F0; }
::-webkit-scrollbar-thumb { background: #DFB864; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #C2703E; }

/* ── Selection ── */
::selection { background: #F8C4AA; color: #3A2A1E; }

/* ── Service Item Hover ── */
.service-item {
    border-left: 2px solid transparent;
    padding-left: 1rem;
    margin-left: -1rem;
    transition: border-color 0.3s ease;
}
.service-item:hover {
    border-left-color: rgba(194, 112, 62, 0.4);
}

/* ── Form Validation ── */
input:invalid:not(:placeholder-shown),
textarea:invalid:not(:placeholder-shown) {
    border-color: #EF4444;
}
input:valid:not(:placeholder-shown),
textarea:valid:not(:placeholder-shown) {
    border-color: #22C55E;
}

/* ── Utility ── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}