/* ── Base ── */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

::selection {
    background: #1B4332;
    color: #FDF9F3;
}

/* ── Buttons ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #1B4332;
    color: #FDF9F3;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-family: 'Raleway', system-ui, sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid #1B4332;
    transition: background 0.35s ease, color 0.35s ease, transform 0.2s ease, box-shadow 0.35s ease;
    cursor: pointer;
}
.btn-primary:hover {
    background: #142920;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(27, 67, 50, 0.25);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: #1B4332;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-family: 'Raleway', system-ui, sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1.5px solid #1B4332;
    transition: background 0.35s ease, color 0.35s ease, transform 0.2s ease, box-shadow 0.35s ease;
    cursor: pointer;
}
.btn-secondary:hover {
    background: #1B4332;
    color: #FDF9F3;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(27, 67, 50, 0.2);
}

/* ── Nav links ── */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #1B4332;
    transition: width 0.35s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* ── Reveal animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .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; }
}

/* ── Mobile menu ── */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}
.mobile-link {
    font-family: 'Lora', Georgia, serif;
    font-size: 1.5rem;
    color: #1B4332;
    text-decoration: none;
    transition: opacity 0.2s ease;
}
.mobile-link:hover {
    opacity: 0.6;
}

/* ── Header scrolled state ── */
.header-scrolled #headerBg {
    opacity: 1;
}