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// Constants and variables
const TOTAL_SLIDES = 8;
let currentSlide = 1;
let isPresentation = false;
// DOM elements
const body = document.body;
const slides = document.querySelectorAll('.slide');
const prevBtn = document.getElementById('prev-slide');
const nextBtn = document.getElementById('next-slide');
const slideIndicator = document.getElementById('slide-indicator');
const presentationToggle = document.getElementById('presentation-toggle');
const slideNavigation = document.querySelector('.slide-navigation');
const footer = document.querySelector('footer');
// Initialize
document.addEventListener('DOMContentLoaded', () => {
// Check URL params for presentation mode
const urlParams = new URLSearchParams(window.location.search);
if (urlParams.get('presentation') === 'true') {
enterPresentationMode();
} else {
// For normal viewing, show all slides
slides.forEach((slide) => (slide.style.display = 'block'));
// Animate elements when they enter viewport
animateOnScroll();
window.addEventListener('scroll', animateOnScroll);
}
// Setup event listeners
presentationToggle.addEventListener('click', toggleFullScreen);
prevBtn.addEventListener('click', prevSlide);
nextBtn.addEventListener('click', nextSlide);
document.addEventListener('keydown', handleKeyPress);
});
// Toggle fullscreen
function toggleFullScreen() {
if (!document.fullscreenElement) {
document.documentElement
.requestFullscreen()
.then(() => enterPresentationMode())
.catch(() => {});
} else {
if (document.exitFullscreen) {
document
.exitFullscreen()
.then(() => exitPresentationMode())
.catch(() => {});
}
}
}
// Enter presentation mode
function enterPresentationMode() {
isPresentation = true;
body.classList.add('presentation-mode');
body.setAttribute('data-slide', currentSlide);
slideNavigation.style.display = 'flex';
footer.style.display = 'none';
// Hide all slides first
slides.forEach((slide) => {
slide.style.display = 'flex';
slide.classList.remove('active');
});
// Show only current slide
showSlide(currentSlide);
// Make all interactive elements visible immediately
document.querySelectorAll('.feature, .stat, .testimonial, .use-case').forEach((el) => {
el.classList.add('visible');
});
}
// Exit presentation mode
function exitPresentationMode() {
isPresentation = false;
body.classList.remove('presentation-mode');
slideNavigation.style.display = 'none';
footer.style.display = 'block';
// Show all slides
slides.forEach((slide) => {
slide.style.display = 'block';
slide.classList.remove('active');
});
// Reset scroll position
window.scrollTo(0, 0);
// Re-enable scroll animation
animateOnScroll();
}
// Show a specific slide
function showSlide(number) {
if (number < 1) number = 1;
if (number > TOTAL_SLIDES) number = TOTAL_SLIDES;
currentSlide = number;
if (isPresentation) {
// Update body attribute for progress bar
body.setAttribute('data-slide', currentSlide);
// Update all slides
slides.forEach((slide, index) => {
if (index + 1 === currentSlide) {
slide.classList.add('active');
} else {
slide.classList.remove('active');
}
});
// Update slide indicator
slideIndicator.textContent = `${currentSlide}/${TOTAL_SLIDES}`;
}
}
// Navigation functions
function nextSlide() {
if (currentSlide < TOTAL_SLIDES) {
showSlide(currentSlide + 1);
}
}
function prevSlide() {
if (currentSlide > 1) {
showSlide(currentSlide - 1);
}
}
// Keyboard navigation
function handleKeyPress(e) {
if (isPresentation) {
switch (e.key) {
case 'ArrowRight':
case 'ArrowDown':
case ' ':
case 'Enter':
if (currentSlide === TOTAL_SLIDES) {
exitPresentationMode();
toggleFullScreen();
} else {
nextSlide();
}
break;
case 'ArrowLeft':
case 'ArrowUp':
prevSlide();
break;
case 'Home':
showSlide(1);
break;
case 'End':
showSlide(TOTAL_SLIDES);
break;
case 'Escape':
exitPresentationMode();
toggleFullScreen();
break;
}
}
}
// Animate elements when scrolling
function animateOnScroll() {
const elements = document.querySelectorAll('.feature, .stat, .testimonial, .use-case');
elements.forEach((element) => {
const rect = element.getBoundingClientRect();
const windowHeight = window.innerHeight;
// Add visible class when element is in viewport
if (rect.top < windowHeight * 0.85) {
element.classList.add('visible');
}
});
}