/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ── Animations ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Scroll-reveal (progressive enhancement — content visible without JS) ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
    opacity: 0;
    transform: translateY(24px);
}
@media (prefers-reduced-motion: no-preference) {
    .reveal { opacity: 0; transform: translateY(24px); }
    .reveal.revealed { opacity: 1; transform: translateY(0); }
}

/* ── Navbar scroll state ── */
#site-header.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(22, 101, 52, 0.08);
}
.nav-link { color: #166534; }
#site-header:not(.scrolled) .nav-link { color: #fefdf8; }
#site-header:not(.scrolled) .nav-link:hover { color: #86efac; }
#site-header:not(.scrolled) a.nav-link { color: #fefdf8 !important; }

/* ── Mobile menu ── */
#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}
.menu-line { transition: all 0.3s ease; }
#menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 6px;
}
.mobile-nav-link { transition: color 0.3s ease; }
.mobile-nav-link:hover { color: #16a34a; }

/* ── Service cards ── */
.service-card { border: 1px solid transparent; transition: border-color 0.3s ease; }
.service-card:hover { border-color: rgba(22, 101, 52, 0.1); }

/* ── Portfolio items ── */
.portfolio-item { border-radius: 2px; }

/* ── Form focus states ── */
input:focus, textarea:focus, select:focus {
    border-bottom-color: #16a34a !important;
}
input::placeholder, textarea::placeholder {
    color: #86efac;
}

/* ── Selection ── */
::selection { background: #166534; color: #fefdf8; }

/* ── Smooth scroll offset for fixed header ── */
section[id] { scroll-margin-top: 80px; }

/* ── Process step hover ── */
.process-step { transition: background 0.3s ease; }
.process-step:hover { background: rgba(255,255,255,0.03); }
</style>
<sm-file path="script.js">
(function () {
    'use strict';

    // ── Navbar scroll effect ──
    const header = document.getElementById('site-header');
    let lastScroll = 0;

    function onScroll() {
        const scrollY = window.scrollY;
        if (scrollY > 60) {
            header.classList.add('scrolled');
        } else {
            header.classList.remove('scrolled');
        }
        lastScroll = scrollY;
    }

    window.addEventListener('scroll', onScroll, { passive: true });
    onScroll();

    // ── Mobile menu ──
    const menuToggle = document.getElementById('menu-toggle');
    const mobileMenu = document.getElementById('mobile-menu');
    const mobileLinks = mobileMenu.querySelectorAll('a');

    function toggleMenu() {
        const isOpen = mobileMenu.classList.contains('open');
        menuToggle.classList.toggle('active');
        mobileMenu.classList.toggle('open');
        document.body.style.overflow = isOpen ? '' : 'hidden';
    }

    function closeMenu() {
        menuToggle.classList.remove('active');
        mobileMenu.classList.remove('open');
        document.body.style.overflow = '';
    }

    menuToggle.addEventListener('click', toggleMenu);
    mobileLinks.forEach(function (link) {
        link.addEventListener('click', closeMenu);
    });

    // ── Scroll reveal (progressive enhancement) ──
    const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

    if (!prefersReducedMotion && 'IntersectionObserver' in window) {
        const revealElements = document.querySelectorAll('.reveal');

        // Set initial hidden state via JS so it works even if JS loads late
        revealElements.forEach(function (el) {
            el.classList.add('revealed');
        });

        const observer = new IntersectionObserver(function (entries) {
            entries.forEach(function (entry) {
                if (entry.isIntersecting) {
                    entry.target.classList.remove('revealed');
                    observer.unobserve(entry.target);
                }
            });
        }, {
            threshold: 0.12,
            rootMargin: '0px 0px -40px 0px'
        });

        revealElements.forEach(function (el) {
            observer.observe(el);
        });
    }

    // ── Contact form ──
    const form = document.getElementById('contact-form');
    const successMsg = document.getElementById('form-success');

    if (form) {
        form.addEventListener('submit', function (e) {
            e.preventDefault();
            // Simulate submission
            var btn = form.querySelector('button[type="submit"]');
            var originalText = btn.innerHTML;
            btn.innerHTML = '<span>Sending…</span>';
            btn.disabled = true;

            setTimeout(function () {
                form.style.display = 'none';
                successMsg.classList.remove('hidden');
                btn.innerHTML = originalText;
                btn.disabled = false;
            }, 800);
        });
    }

    // ── Smooth scroll for anchor links ──
    document.querySelectorAll('a[href^="#"]').forEach(function (anchor) {
        anchor.addEventListener('click', function (e) {
            var target = document.querySelector(this.getAttribute('href'));
            if (target) {
                e.preventDefault();
                target.scrollIntoView({ behavior: 'smooth' });
            }
        });
    });
})();