/* ── Base ── */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(6, 78, 59, 0.15);
    color: #064e3b;
}

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

#site-header.scrolled {
    background: rgba(253, 251, 247, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.06), 0 4px 24px rgba(6, 78, 59, 0.04);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #064e3b;
    transition: width 0.3s ease;
}

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

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

/* ── Scroll reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(28px);
    }

    .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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ── Hero stagger ── */
.hero-enter {
    opacity: 0;
    transform: translateY(20px);
    animation: heroIn 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-enter:nth-child(1) { animation-delay: 0.1s; }
.hero-enter:nth-child(2) { animation-delay: 0.25s; }
.hero-enter:nth-child(3) { animation-delay: 0.4s; }
.hero-enter:nth-child(4) { animation-delay: 0.55s; }

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

/* ── Image hover ── */
.hover-lift {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -15px rgba(6, 78, 59, 0.15);
}

/* ── Button ripple ── */
.btn-press:active {
    transform: scale(0.97);
}

/* ── Form focus ── */
input:focus, textarea:focus {
    outline: none;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #faf5ec;
}

::-webkit-scrollbar-thumb {
    background: #b8d4c4;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8fbfa6;
}

/* ── Print ── */
@media print {
    #site-header, #mobile-menu { display: none; }
    body { color: #1a1a1a; background: white; }
    .reveal { opacity: 1 !important; transform: none !important; }
}