/* Custom styles for Black Swan Studios */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(254, 252, 248, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(45, 58, 74, 0.08);
}

#navbar.scrolled .font-display {
    color: #1a222e;
}

/* Mobile menu animation */
.menu-line {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobileMenu.open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#mobileMenu.open .menu-line:nth-child(2) {
    opacity: 0;
}

#mobileMenu.open .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* Button focus states */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #d95226;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Selection color */
::selection {
    background: #f3bda9;
    color: #6d2012;
}

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

::-webkit-scrollbar-track {
    background: #f7f8fa;
}

::-webkit-scrollbar-thumb {
    background: #d8dde8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b6c1d4;
}

/* Back to top button */
#backToTop.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Form focus styles */
input:focus, select:focus, textarea:focus {
    border-color: #d95226 !important;
    box-shadow: 0 0 0 3px rgba(217, 82, 38, 0.1) !important;
}
</style>

<sm-file path="script.js">
// Black Swan Studios — Interactive Scripts

(function () {
    'use strict';

    // ── Navbar scroll behavior ──────────────────────────────────
    const navbar = document.getElementById('navbar');
    const navLinks = navbar.querySelectorAll('nav a');

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

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

    // ── Mobile menu ─────────────────────────────────────────────
    const menuBtn = document.getElementById('menuBtn');
    const mobileMenu = document.getElementById('mobileMenu');
    const mobileLinks = mobileMenu.querySelectorAll('.mobile-link');

    menuBtn.addEventListener('click', function () {
        mobileMenu.classList.toggle('open');
        mobileMenu.classList.toggle('hidden');
        const isOpen = !mobileMenu.classList.contains('hidden');
        menuBtn.setAttribute('aria-expanded', isOpen);
    });

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

    // Close mobile menu on resize to desktop
    window.addEventListener('resize', function () {
        if (window.innerWidth >= 768) {
            mobileMenu.classList.add('hidden');
            mobileMenu.classList.remove('open');
        }
    });

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

    if (!prefersReducedMotion) {
        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: 0.1, rootMargin: '0px 0px -40px 0px' }
        );

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

    // ── Back to top button ──────────────────────────────────────
    const backToTop = document.getElementById('backToTop');

    function updateBackToTop() {
        if (window.scrollY > 600) {
            backToTop.classList.add('visible');
        } else {
            backToTop.classList.remove('visible');
        }
    }

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

    backToTop.addEventListener('click', function () {
        window.scrollTo({ top: 0, behavior: 'smooth' });
    });

    // ── 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.innerHTML;
            submitBtn.innerHTML = '<svg class="w-5 h-5 animate-spin" fill="none" viewBox="0 0 24 24"><circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle><path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path></svg> Sending...';
            submitBtn.disabled = true;

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

    // ── Active nav link highlighting ────────────────────────────
    const sections = document.querySelectorAll('section[id]');
    const allNavLinks = document.querySelectorAll('nav a[href^="#"]');

    function updateActiveLink() {
        const scrollPos = window.scrollY + 120;

        sections.forEach(function (section) {
            const top = section.offsetTop;
            const height = section.offsetHeight;
            const id = section.getAttribute('id');

            if (scrollPos >= top && scrollPos < top + height) {
                allNavLinks.forEach(function (link) {
                    link.classList.remove('text-terra-600');
                    if (link.getAttribute('href') === '#' + id) {
                        link.classList.add('text-terra-600');
                    }
                });
            }
        });
    }

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

})();