Neon Flux - Visual Design in Motio by @Darkness977 - Codewith.it

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<!DOCTYPE html>
<html lang="it">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Neon Flux</title>
  <link rel="stylesheet" href="styles.css">
</head>

<body class="dark">

  <!-- Hero -->
  <header class="hero">
    <div class="vertical-slider">
      <section class="hero-slide" data-bg="placeholder-hero1.jpg">
        <h1 class="hero-title">Neon Flux</h1>
        <p class="hero-subtitle">Designed for Presence</p>
      </section>

      <section class="hero-slide" data-bg="placeholder-hero2.jpg">
        <h1 class="hero-title">Light in Motion</h1>
        <p class="hero-subtitle">Where Flow Meets Design</p>
      </section>
    </div>

    <button class="theme-toggle" id="themeToggle">⦿</button>
  </header>

  <!-- Gallery 3×3 -->
  <section class="gallery">
    <h2 class="section-title">Designed for Presence</h2>
    <div class="grid">
      <div class="ph"></div><div class="ph"></div><div class="ph"></div>
      <div class="ph"></div><div class="ph"></div><div class="ph"></div>
      <div class="ph"></div><div class="ph"></div><div class="ph"></div>
    </div>
  </section>

  <!-- Marquee -->
  <section class="marquee-section">
    <div class="marquee">
      <span>Innovation — Presence — Neon Flow — Elegant Motion — Minimal Design — </span>
    </div>
  </section>

  <!-- Features -->
  <section class="features">
    <h2 class="section-title">Flux Features</h2>

    <div class="cards">
      <div class="feature-card glass">
        <h3>Precision Glow</h3>
        <p>The light moves with purpose. Soft, dynamic, alive.</p>
      </div>

      <div class="feature-card glass">
        <h3>Glass Parallax</h3>
        <p>Layers of depth that shift as you scroll.</p>
      </div>

      <div class="feature-card glass">
        <h3>Vertical Flow</h3>
        <p>Transitions engineered with cinematic fluidity.</p>
      </div>
    </div>
  </section>

  <!-- Curve + Quote -->
  <section class="quote-section">
    <div class="curve-bg"></div>
    <blockquote>
      “Design is not what you see — it is what moves you.”
    </blockquote>
  </section>

  <!-- Product -->
  <section class="product-model">
    <div class="product-placeholder"></div>
    <h2>Terracotta Clay</h2>
    <p class="price">€ 299</p>
    <button class="cta">Buy Now</button>
  </section>

  <!-- Footer -->
  <footer class="footer">
    <div class="footer-grid">

      <div class="footer-col">
        <h4>Company</h4>
        <ul><li>About</li><li>Careers</li><li>Press</li></ul>
      </div>

      <div class="footer-col">
        <h4>Products</h4>
        <ul><li>Terracotta Clay</li><li>Neon Series</li><li>Flux Accessories</li></ul>
      </div>

      <div class="footer-col">
        <h4>Support</h4>
        <ul><li>Help Center</li><li>Warranty</li><li>Contact</li></ul>
      </div>

      <div class="footer-col newsletter">
        <h4>Newsletter</h4>
        <input type="email" placeholder="Your email">
        <button>Subscribe</button>
      </div>

    </div>

    <div class="credits">
      © 2025 Neon Flux — Designed with Light & Purpose.
    </div>
  </footer>

<script src="script.js"></script>

</body>
</html>

/* ---------------- CORE DESIGN SYSTEM ---------------- */

:root {
  --bg-1: #0a0a0a;
  --bg-2: #111;
  --bg-3: #1a1a1a;

  --text: #f4f4f4;
  --text-soft: rgba(255,255,255,0.6);

  --accent: #00fff7;
  --accent-soft: rgba(0,255,247,0.15);

  --padding-section: 300px;

  --radius: 14px;
  --glass: rgba(255,255,255,0.05);
  --glass-border: 1px solid rgba(255,255,255,0.1);

  --font: "Helvetica Neue", Arial, sans-serif;
}

/* Dark Mode Default */
body.dark {
  background: var(--bg-1);
  color: var(--text);
}

body {
  font-family: var(--font);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}


/* ---------------- HERO ---------------- */

.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  background: var(--bg-1);
}

.vertical-slider {
  height: 100%;
  animation: slideHero 18s infinite alternate ease-in-out;
}

.hero-slide {
  height: 100vh;
  background-size: cover;
  background-position: center;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  position:relative;
}

.hero-slide::before {
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to bottom, rgba(0,0,0,0.6), rgba(0,0,0,0.8));
}

.hero-slide h1,
.hero-slide p {
  position:relative;
  z-index:2;
}

.hero-title {
  font-size:4rem;
  color:var(--accent);
  text-shadow:0 0 18px var(--accent-soft);
  animation:Glow 4s infinite alternate;
}

.hero-subtitle {
  margin-top:1rem;
  font-size:1.4rem;
  opacity:0.85;
}

/* Hero animation */
@keyframes slideHero {
  0% {transform: translateY(0);}
  100% {transform: translateY(-100%);}
}

@keyframes Glow {
  from { text-shadow: 0 0 8px var(--accent-soft); }
  to   { text-shadow: 0 0 20px var(--accent); }
}

/* Theme toggle */
.theme-toggle {
  position:absolute;
  right:30px;
  bottom:30px;
  background:var(--glass);
  border:var(--glass-border);
  color:var(--text);
  padding:10px 14px;
  border-radius: var(--radius);
  cursor:pointer;
}


/* ---------------- GALLERY ---------------- */

.gallery {
  padding: var(--padding-section) 0;
  background: var(--bg-2);
  text-align: center;
}

.section-title {
  font-size:2.2rem;
  margin-bottom:50px;
  color:var(--text);
}

.grid {
  max-width:1100px;
  margin:auto;
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap:22px;
}

.ph {
  height:250px;
  background: linear-gradient(145deg, #0f0f0f, #1d1d1d);
  border-radius:var(--radius);
  position:relative;
  box-shadow:0 0 15px rgba(0,0,0,0.3);
}

.ph::after {
  content:"PHOTO";
  position:absolute;
  top:50%; left:50%;
  transform:translate(-50%,-50%);
  color:var(--text-soft);
  font-size:0.9rem;
  letter-spacing:2px;
}


/* ---------------- MARQUEE ---------------- */

.marquee-section {
  background: var(--bg-3);
  overflow:hidden;
  padding:40px 0;
}

.marquee span {
  display:inline-block;
  white-space:nowrap;
  color:var(--accent);
  font-size:1.2rem;
  animation:marquee 12s linear infinite;
}

@keyframes marquee {
  from { transform:translateX(100%); }
  to   { transform:translateX(-100%); }
}


/* ---------------- FEATURES ---------------- */

.features {
  padding: var(--padding-section) 0;
  background: var(--bg-1);
  text-align:center;
}

.cards {
  max-width:1100px;
  margin:auto;
  display:flex;
  gap:40px;
  justify-content:center;
}

.glass {
  background: var(--glass);
  border: var(--glass-border);
  padding:40px;
  border-radius:var(--radius);
  backdrop-filter:blur(10px);
  width:300px;
  transition:0.35s;
}

.glass:hover {
  transform: translateY(-10px);
  box-shadow:0 0 20px var(--accent-soft);
}

.glass h3 {
  color:var(--accent);
  margin-bottom:15px;
}


/* ---------------- QUOTE ---------------- */

.quote-section {
  position:relative;
  padding: var(--padding-section) 0;
  text-align:center;
  background: var(--bg-2);
}

.curve-bg {
  position:absolute;
  top:0; left:50%;
  transform:translateX(-50%);
  width:140%;
  height:200px;
  background:var(--accent-soft);
  border-radius:50%/100%;
  filter:blur(80px);
}

.quote-section blockquote {
  position:relative;
  font-size:1.8rem;
  max-width:800px;
  margin:auto;
}


/* ---------------- PRODUCT ---------------- */

.product-model {
  padding: var(--padding-section) 0;
  text-align:center;
  background: var(--bg-1);
}

.product-placeholder {
  width:350px;
  height:350px;
  margin:auto;
  background:linear-gradient(145deg,#0f0f0f,#1c1c1c);
  border-radius:var(--radius);
  box-shadow:0 0 20px rgba(0,0,0,0.35);
}

.price {
  font-size:1.9rem;
  margin:15px 0 25px;
  opacity:0.9;
}

.cta {
  padding:14px 32px;
  font-size:1rem;
  background:var(--accent);
  border:none;
  border-radius:var(--radius);
  color:var(--bg-1);
  cursor:pointer;
  transition:0.3s;
}

.cta:hover {
  background:var(--accent-soft);
  color:var(--text);
}

/* ---------------- FOOTER ---------------- */

.footer {
  background:var(--bg-2);
  padding:80px 0;
  border-top:1px solid rgba(255,255,255,0.08);
  color:var(--text-soft);
}

.footer-grid {
  max-width:1100px;
  margin:auto;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:40px;
}

.footer-col h4 {
  margin-bottom:20px;
  color:var(--text);
}

.footer-col ul {
  list-style:none;
  padding:0;
}

.footer-col li {
  margin-bottom:10px;
  cursor:pointer;
  transition:0.2s;
}

.footer-col li:hover {
  color:var(--accent);
}

.newsletter input {
  padding:10px;
  background:var(--bg-1);
  border:1px solid var(--glass-border);
  color:var(--text);
  border-radius:var(--radius);
  margin-bottom:10px;
}

.newsletter button {
  padding:10px;
  background:var(--accent);
  border:none;
  color:#000;
  border-radius:var(--radius);
  cursor:pointer;
}

.credits {
  margin-top:50px;
  text-align:center;
  font-size:0.85rem;
  opacity:0.6;
}

// Neon Flux — interactions: hero vertical slider, parallax small, theme toggle persistence, newsletter stub

(() => {
  /* THEME: persist toggle */
  const THEME_KEY = 'neonflux_theme';
  const body = document.body;
  const toggle = document.getElementById('theme-toggle');

  // init from storage or prefers-color-scheme
  const saved = localStorage.getItem(THEME_KEY);
  if(saved === 'light') body.classList.add('light');
  else if(saved === 'dark') body.classList.remove('light');
  else if(window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) body.classList.add('light');

  toggle.addEventListener('click', () => {
    body.classList.toggle('light');
    localStorage.setItem(THEME_KEY, body.classList.contains('light') ? 'light' : 'dark');
    toggle.animate([{ transform: 'rotate(0deg)' }, { transform: 'rotate(180deg)' }], { duration: 350, easing: 'ease-out' });
  });

  /* HERO: vertical slider with controls & auto cycle */
  const track = document.getElementById('hero-track');
  const slides = Array.from(track.querySelectorAll('.hero-slide'));
  let current = 0;
  const total = slides.length;
  const prevBtn = document.getElementById('hero-prev');
  const nextBtn = document.getElementById('hero-next');
  const slideHeight = () => window.innerHeight;

  // position stack vertically
  const updateTrack = (index, instant=false) => {
    // set aria-hidden appropriately
    slides.forEach((s, i) => s.setAttribute('aria-hidden', i === index ? 'false' : 'true'));
    const y = -index * slideHeight();
    if(instant) track.style.transition = 'none';
    else track.style.transition = 'transform 0.85s cubic-bezier(.2,.9,.3,1)';
    track.style.transform = `translateY(${y}px)`;
    // re-enable transitions if instant
    if(instant) requestAnimationFrame(()=> track.style.transition = '');
  };

  // auto cycle
  let auto = setInterval(()=> { goTo((current+1)%total) }, 7000);

  const goTo = (index) => {
    current = (index + total) % total;
    updateTrack(current);
  };

  prevBtn.addEventListener('click', () => { goTo(current-1); resetAuto() });
  nextBtn.addEventListener('click', () => { goTo(current+1); resetAuto() });

  // pause on hover or focus
  [track, prevBtn, nextBtn].forEach(el => {
    el.addEventListener('mouseenter', ()=> clearInterval(auto));
    el.addEventListener('mouseleave', ()=> auto = setInterval(()=> { goTo((current+1)%total) }, 7000));
  });

  // adjust on resize
  window.addEventListener('resize', ()=> updateTrack(current, true));

  // init positions
  updateTrack(0, true);

  function resetAuto(){
    clearInterval(auto);
    auto = setInterval(()=> { goTo((current+1)%total) }, 7000);
  }

  /* PARALLAX: subtle parallax based on mouse & scroll */
  const parallaxElems = Array.from(document.querySelectorAll('[data-parallax]'));

  // mouse based parallax for hero area (subtle)
  document.addEventListener('mousemove', (e) => {
    const cx = window.innerWidth / 2;
    const cy = window.innerHeight / 2;
    const mx = (e.clientX - cx) / cx;
    const my = (e.clientY - cy) / cy;
    parallaxElems.forEach(el => {
      const depth = parseFloat(el.getAttribute('data-parallax')) || 0.02;
      const tx = mx * depth * 30; // px
      const ty = my * depth * 30;
      el.style.transform = `translate3d(${tx}px, ${ty}px, 0)`;
    });
  });

  // scroll parallax (for larger screens)
  window.addEventListener('scroll', () => {
    const sc = window.scrollY;
    parallaxElems.forEach(el => {
      const depth = parseFloat(el.getAttribute('data-parallax')) || 0.02;
      el.style.transform = `translate3d(0, ${sc * depth * -1}px, 0)`;
    });
  }, { passive: true });

  /* GALLERY: click to replace placeholder (developer helper) */
  const galleryItems = document.querySelectorAll('.grid-item');
  galleryItems.forEach((gi, idx) => {
    gi.addEventListener('click', () => {
      // instruction-only: in produzione sostituire con immagine reale.
      gi.classList.add('loading');
      setTimeout(() => gi.classList.remove('loading'), 600);
    });
  });

  /* NEWSLETTER: basic front-end stub */
  const news = document.getElementById('newsletter');
  if(news){
    news.addEventListener('submit', (ev) => {
      ev.preventDefault();
      const email = news.querySelector('input[name="email"]').value;
      if(!email || !/\S+@\S+\.\S+/.test(email)){
        alert('Inserisci una email valida.');
        return;
      }
      // fake success: mostra feedback visivo
      news.querySelector('button').textContent = 'Grazie!';
      setTimeout(()=> news.reset() && (news.querySelector('button').textContent='Iscriviti'), 1600);
    });
  }

  /* Respect reduced motion preference */
  if(window.matchMedia && window.matchMedia('(prefers-reduced-motion: reduce)').matches){
    // disable animations: stop auto hero cycle
    clearInterval(auto);
  }

})();