/* Custom styles — editorial serif-first design system */

:root {
    --color-emerald-950: #022c22;
    --color-emerald-900: #064e3b;
    --color-emerald-800: #065f46;
    --color-emerald-700: #047857;
    --color-emerald-600: #059669;
    --color-emerald-500: #10b981;
    --color-emerald-400: #34d399;
    --color-emerald-300: #6ee7b7;
    --color-emerald-200: #a7f3d0;
    --color-emerald-100: #d1fae5;
    --color-emerald-50: #ecfdf5;
    --color-cream-50: #fefdf8;
    --color-cream-100: #fdf9ef;
    --color-cream-200: #faf3e0;
}

/* Smooth transitions for interactive elements */
a, button, input, textarea {
    transition: all 0.2s ease;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-cream-100);
}
::-webkit-scrollbar-thumb {
    background: var(--color-emerald-300);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-emerald-500);
}

/* Selection color */
::selection {
    background: var(--color-emerald-200);
    color: var(--color-emerald-950);
}

/* Scroll reveal base — content is visible by default, JS adds animation */
.reveal {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered reveal delays */
.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; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* Navbar scroll state */
.nav-scrolled #navbar {
    background: rgba(2, 44, 34, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

/* Mobile menu animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
#mobile-menu.open {
    max-height: 400px;
}

/* Form focus styles */
input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, var(--color-emerald-100) 0%, var(--color-cream-200) 100%);
}

/* Print styles */
@media print {
    header, footer, #contact-form, .reveal { display: none; }
    body { background: white; color: black; }
    section { padding: 20px 0; }
}