/* Base & utilities */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Montserrat', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll reveal (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar transition */
.nav-scrolled {
    background: rgba(250, 247, 242, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06);
}
.nav-scrolled .nav-link { color: #102a43 !important; }
.nav-scrolled .nav-logo { color: #102a43 !important; }

/* Service card hover */
.service-card {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}
.service-card:hover {
    transform: translateY(-4px);
}

/* Gallery hover */
.gallery-item {
    cursor: pointer;
}

/* Selection color */
::selection {
    background: #f4c75a;
    color: #102a43;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #faf7f2; }
::-webkit-scrollbar-thumb { background: #d9e2ec; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #9fb3c8; }
</style>

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

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

    function handleScroll() {
        const currentScroll = window.pageYOffset;
        if (currentScroll > 60) {
            navbar.classList.add('nav-scrolled');
        } else {
            navbar.classList.remove('nav-scrolled');
        }
        lastScroll = currentScroll;
    }

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

    // Mobile menu
    const menuBtn = document.getElementById('menuBtn');
    const mobileMenu = document.getElementById('mobileMenu');
    const mobileLinks = mobileMenu.querySelectorAll('a');

    menuBtn.addEventListener('click', function () {
        const isOpen = !mobileMenu.classList.contains('hidden');
        if (isOpen) {
            mobileMenu.classList.add('hidden');
            menuBtn.setAttribute('aria-expanded', 'false');
        } else {
            mobileMenu.classList.remove('hidden');
            menuBtn.setAttribute('aria-expanded', 'true');
        }
    });

    mobileLinks.forEach(function (link) {
        link.addEventListener('click', function () {
            mobileMenu.classList.add('hidden');
            menuBtn.setAttribute('aria-expanded', 'false');
        });
    });

    // Scroll reveal (progressive enhancement — only if JS is enabled)
    const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
    const revealElements = document.querySelectorAll('.reveal');

    if (!prefersReducedMotion && revealElements.length > 0) {
        const revealObserver = new IntersectionObserver(function (entries) {
            entries.forEach(function (entry) {
                if (entry.isIntersecting) {
                    entry.target.classList.add('revealed');
                    revealObserver.unobserve(entry.target);
                }
            });
        }, {
            threshold: 0.15,
            rootMargin: '0px 0px -50px 0px'
        });

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

    // Contact form
    const contactForm = document.getElementById('contactForm');
    const formSuccess = document.getElementById('formSuccess');

    if (contactForm) {
        contactForm.addEventListener('submit', function (e) {
            e.preventDefault();
            // Simulate form submission
            const submitBtn = contactForm.querySelector('button[type="submit"]');
            const originalText = submitBtn.textContent;
            submitBtn.textContent = 'Sending...';
            submitBtn.disabled = true;

            setTimeout(function () {
                contactForm.style.display = 'none';
                formSuccess.classList.remove('hidden');
                submitBtn.textContent = originalText;
                submitBtn.disabled = false;
            }, 1200);
        });
    }

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