/* ── Hero Gradient & Animations ── */
.hero-gradient {
    background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(45, 94, 45, 0.8) 0%, rgba(22, 46, 22, 0.9) 50%, rgba(10, 23, 10, 1) 100%);
}

.hero-scrim {
    background: linear-gradient(to bottom, rgba(10, 23, 10, 0.3) 0%, transparent 40%, transparent 60%, rgba(10, 23, 10, 0.5) 100%);
}

/* ── Scroll Reveal (progressive enhancement) ── */
@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);
    }

    /* Hero entrance */
    .hero-tagline {
        opacity: 0;
        transform: translateY(16px);
        animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
    }
    .hero-headline {
        opacity: 0;
        transform: translateY(20px);
        animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.4s forwards;
    }
    .hero-subtitle {
        opacity: 0;
        transform: translateY(16px);
        animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.55s forwards;
    }
    .hero-cta {
        opacity: 0;
        transform: translateY(16px);
        animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.7s forwards;
    }
    .hero-scroll-indicator {
        opacity: 0;
        animation: heroFadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) 1s forwards;
    }

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

    /* Scroll dot */
    .hero-scroll-dot {
        animation: scrollDot 2s ease-in-out infinite;
    }
    @keyframes scrollDot {
        0%, 100% { top: 0; opacity: 0; }
        10% { opacity: 1; }
        90% { opacity: 1; }
        100% { top: 100%; opacity: 0; }
    }

    /* Parallax on hero image */
    .hero-image {
        will-change: transform;
        transition: transform 0.1s linear;
    }
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}
#navbar.scrolled {
    background: rgba(250, 249, 246, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(185, 211, 185, 0.3);
    box-shadow: 0 1px 0 rgba(45, 94, 45, 0.06);
}
.nav-logo {
    color: rgba(255, 255, 255, 0.9);
}
#navbar.scrolled .nav-logo {
    color: #162e16;
}
.nav-link {
    color: rgba(255, 255, 255, 0.7);
}
#navbar.scrolled .nav-link {
    color: #2d5e2d;
}
#navbar.scrolled .nav-link:hover {
    color: #162e16;
}

/* ── Service Cards ── */
.service-card {
    transition: background-color 0.3s ease;
}

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
.mobile-nav-link {
    border-bottom: 1px solid rgba(185, 211, 185, 0.3);
    padding-bottom: 1rem;
}
.mobile-nav-link:last-child {
    border-bottom: none;
}
</style>

<sm-file path="script.js">
(function () {
    'use strict';

    // ── Navbar scroll behavior ──
    const navbar = document.getElementById('navbar');
    let lastScroll = 0;

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

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

    // ── Mobile menu ──
    const menuBtn = document.getElementById('mobile-menu-btn');
    const mobileMenu = document.getElementById('mobile-menu');
    const iconOpen = document.getElementById('menu-icon-open');
    const iconClose = document.getElementById('menu-icon-close');
    let menuOpen = false;

    menuBtn.addEventListener('click', function () {
        menuOpen = !menuOpen;
        mobileMenu.classList.toggle('hidden', !menuOpen);
        iconOpen.classList.toggle('hidden', menuOpen);
        iconClose.classList.toggle('hidden', !menuOpen);
    });

    // Close mobile menu on link click
    mobileMenu.querySelectorAll('a').forEach(function (link) {
        link.addEventListener('click', function () {
            menuOpen = false;
            mobileMenu.classList.add('hidden');
            iconOpen.classList.remove('hidden');
            iconClose.classList.add('hidden');
        });
    });

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

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

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

        revealElements.forEach(function (el) {
            revealObserver.observe(el);
        });
    } else {
        // If JS is disabled or reduced motion preferred, ensure all content is visible
        document.querySelectorAll('.reveal').forEach(function (el) {
            el.classList.add('revealed');
        });
    }

    // ── Hero parallax (progressive enhancement) ──
    if (!prefersReducedMotion && window.matchMedia('(prefers-reduced-motion: no-preference)').matches) {
        const heroImage = document.querySelector('.hero-image');
        if (heroImage) {
            let ticking = false;
            window.addEventListener('scroll', function () {
                if (!ticking) {
                    window.requestAnimationFrame(function () {
                        const scrolled = window.scrollY;
                        if (scrolled < window.innerHeight) {
                            heroImage.style.transform = 'scale(1.05) translateY(' + (scrolled * 0.15) + 'px)';
                        }
                        ticking = false;
                    });
                    ticking = true;
                }
            }, { passive: true });
        }
    }

    // ── Contact form ──
    const form = document.getElementById('contact-form');
    const formSuccess = document.getElementById('form-success');
    const submitText = document.getElementById('submit-text');
    const submitArrow = document.getElementById('submit-arrow');
    const submitSpinner = document.getElementById('submit-spinner');

    if (form) {
        form.addEventListener('submit', function (e) {
            e.preventDefault();

            // Show loading state
            submitText.textContent = 'Sending…';
            submitArrow.classList.add('hidden');
            submitSpinner.classList.remove('hidden');

            // Simulate send delay
            setTimeout(function () {
                submitText.textContent = 'Send Message';
                submitArrow.classList.remove('hidden');
                submitSpinner.classList.add('hidden');
                form.reset();
                formSuccess.classList.remove('hidden');

                // Hide success message after 5 seconds
                setTimeout(function () {
                    formSuccess.classList.add('hidden');
                }, 5000);
            }, 1200);
        });
    }

    // ── Smooth scroll for anchor links ──
    document.querySelectorAll('a[href^="#"]').forEach(function (anchor) {
        anchor.addEventListener('click', function (e) {
            const targetId = anchor.getAttribute('href');
            if (targetId === '#') return;
            const target = document.querySelector(targetId);
            if (target) {
                e.preventDefault();
                const navHeight = navbar.offsetHeight;
                const targetPosition = target.getBoundingClientRect().top + window.scrollY - navHeight - 20;
                window.scrollTo({
                    top: targetPosition,
                    behavior: 'smooth'
                });
            }
        });
    });
})();
</style>