/* Palette: Carbon Black, Neon Green, Concrete Grey */
:root {
    --black: #121212;
    --dark-grey: #212121;
    --neon: #76FF03;
    --white: #FFFFFF;
    --text: #EEEEEE;
    --grey-text: #B0BEC5;
    
    --font-head: 'Teko', sans-serif;
    --font-body: 'Roboto Condensed', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--black);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 100px 0; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; }

/* Header */
.pulse-header { background: var(--dark-grey); padding: 15px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 2px solid #333; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-head); font-size: 2.5rem; font-weight: 700; color: var(--white); letter-spacing: 2px; line-height: 1; }
.neon { color: var(--neon); text-shadow: 0 0 10px rgba(118, 255, 3, 0.4); }

.main-nav a { margin-left: 25px; font-weight: 700; font-size: 1rem; color: var(--grey-text); letter-spacing: 1px; }
.main-nav a:hover, .main-nav a.active { color: var(--neon); }

.header-right { display: flex; align-items: center; gap: 20px; }
.cart-icon { font-weight: 700; border: 1px solid var(--neon); color: var(--neon); padding: 5px 15px; font-family: var(--font-head); font-size: 1.2rem; }
.cart-icon:hover { background: var(--neon); color: var(--black); }

/* Mobile Menu */
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.menu-toggle span { width: 30px; height: 3px; background: var(--neon); }

.mobile-menu { position: fixed; top: 0; right: -100%; width: 100%; height: 100%; background: var(--black); z-index: 2000; display: flex; flex-direction: column; justify-content: center; align-items: center; transition: 0.4s; border-left: 2px solid var(--neon); }
.mobile-menu.active { right: 0; }
.close-btn { position: absolute; top: 20px; right: 20px; font-size: 2rem; color: var(--white); background: none; border: none; cursor: pointer; }
.mobile-menu a { font-family: var(--font-head); font-size: 2.5rem; margin: 15px 0; color: var(--white); }

@media (max-width: 900px) {
    .main-nav { display: none; }
    .menu-toggle { display: flex; }
}

/* Hero */
.hero-pulse { height: 85vh; background-size: cover; background-position: center; position: relative; }
.overlay-dark { width: 100%; height: 100%; background: linear-gradient(to right, rgba(18, 18, 18, 0.9), rgba(18, 18, 18, 0.6)); display: flex; align-items: center; }
.hero-content { padding-left: 10%; max-width: 700px; }
.tagline { color: var(--neon); font-family: var(--font-head); font-size: 1.5rem; letter-spacing: 3px; display: block; margin-bottom: 10px; }
.hero-content h1 { font-family: var(--font-head); font-size: 5rem; line-height: 0.9; margin-bottom: 20px; text-transform: uppercase; color: var(--white); font-style: italic; }
.hero-content p { font-size: 1.2rem; color: var(--grey-text); margin-bottom: 40px; }

.cta-box { display: flex; gap: 20px; }
.btn-neon { background: var(--neon); color: var(--black); padding: 15px 40px; font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; border: none; cursor: pointer; clip-path: polygon(10% 0, 100% 0, 100% 100%, 0% 100%); transition: 0.3s; }
.btn-neon:hover { background: var(--white); }
.btn-outline { border: 2px solid var(--white); color: var(--white); padding: 13px 40px; font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; clip-path: polygon(10% 0, 100% 0, 100% 100%, 0% 100%); transition: 0.3s; }
.btn-outline:hover { border-color: var(--neon); color: var(--neon); }

/* Features */
.section-head { text-align: center; margin-bottom: 60px; }
.section-head h2 { font-family: var(--font-head); font-size: 3rem; margin-bottom: 10px; color: var(--white); }
.neon-bar { width: 100px; height: 4px; background: var(--neon); margin: 0 auto; }
.neon-bar.left { margin: 20px 0; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.feat-card { background: var(--dark-grey); padding: 40px 20px; text-align: center; border: 1px solid #333; transition: 0.3s; }
.feat-card:hover { border-color: var(--neon); transform: translateY(-10px); }
.icon { font-size: 3rem; margin-bottom: 20px; }
.feat-card h3 { font-family: var(--font-head); font-size: 1.8rem; color: var(--neon); margin-bottom: 10px; }

/* Product Page */
.product-layout { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; }
.filters h3 { font-family: var(--font-head); font-size: 2rem; color: var(--white); border-bottom: 2px solid var(--neon); margin-bottom: 20px; }
.filters ul { list-style: none; padding: 0; }
.filters li { padding: 10px 0; color: var(--grey-text); cursor: pointer; font-size: 1.1rem; border-bottom: 1px solid #333; }
.filters li:hover, .filters li.active { color: var(--neon); padding-left: 10px; transition: 0.3s; }

.products-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.p-card { background: var(--dark-grey); border: 1px solid #333; }
.p-image { position: relative; height: 350px; overflow: hidden; }
.p-image img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; opacity: 0.8; }
.p-card:hover img { transform: scale(1.1); opacity: 1; }
.badge { position: absolute; top: 10px; left: 10px; background: var(--neon); color: var(--black); font-weight: 700; padding: 5px 10px; font-family: var(--font-head); font-size: 1.2rem; }
.badge.new { background: var(--white); }

.p-details { padding: 20px; text-align: center; }
.p-details h3 { font-family: var(--font-head); font-size: 1.8rem; color: var(--white); margin-bottom: 5px; }
.p-details p { color: var(--grey-text); font-size: 0.9rem; margin-bottom: 15px; }
.price { display: block; font-family: var(--font-head); font-size: 1.5rem; color: var(--neon); margin-bottom: 15px; }
.btn-cart { width: 100%; background: transparent; border: 1px solid var(--white); color: var(--white); padding: 10px; font-family: var(--font-head); font-size: 1.3rem; cursor: pointer; transition: 0.3s; }
.btn-cart:hover { background: var(--neon); border-color: var(--neon); color: var(--black); }

/* Science & Contact */
.science-block { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; }
.text-content h1 { font-family: var(--font-head); font-size: 3.5rem; line-height: 1; margin-bottom: 20px; font-style: italic; }
.tech-specs { list-style: none; margin-top: 30px; }
.tech-specs li { margin-bottom: 15px; border-bottom: 1px solid #333; padding-bottom: 10px; font-size: 1.1rem; }
.tech-specs strong { color: var(--neon); font-family: var(--font-head); font-size: 1.3rem; letter-spacing: 1px; }
.visual-content img { border: 2px solid var(--neon); padding: 10px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; background: var(--dark-grey); padding: 50px; border: 1px solid #333; }
.info-card h2 { font-family: var(--font-head); font-size: 2.5rem; color: var(--neon); }
.contact-item { margin-top: 20px; }
.contact-item strong { color: var(--neon); font-family: var(--font-head); font-size: 1.3rem; letter-spacing: 1px; }

.pulse-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.pulse-form input, .pulse-form select, .pulse-form textarea { width: 100%; background: var(--black); border: 1px solid #444; color: var(--white); padding: 15px; font-family: var(--font-body); font-weight: 700; }
.pulse-form input:focus { border-color: var(--neon); outline: none; }
.submit-btn { width: 100%; background: var(--neon); color: var(--black); padding: 15px; font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; border: none; cursor: pointer; }
.submit-btn:hover { background: var(--white); }

/* Legal */
.legal-box { max-width: 800px; margin: 0 auto; background: var(--dark-grey); padding: 50px; border: 1px solid #333; }
.legal-box h1 { font-family: var(--font-head); font-size: 3rem; }
.legal-box h3 { color: var(--neon); margin-top: 30px; font-family: var(--font-head); font-size: 1.8rem; }

/* Footer */
.pulse-footer { background: var(--black); border-top: 2px solid var(--dark-grey); padding: 60px 0 20px; margin-top: 80px; }
.footer-row { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #222; padding-bottom: 30px; margin-bottom: 20px; }
.f-brand h4 { font-family: var(--font-head); font-size: 2rem; color: var(--white); margin: 0; }
.f-links a { color: var(--grey-text); margin-left: 20px; font-family: var(--font-head); font-size: 1.2rem; }
.f-links a:hover { color: var(--neon); }
.copyright { text-align: center; color: #444; font-size: 0.9rem; }

/* Cookie */
.cookie-bar { position: fixed; bottom: 0; left: 0; width: 100%; background: var(--neon); padding: 15px; display: flex; justify-content: center; align-items: center; gap: 20px; z-index: 3000; display: none; }
.cookie-bar.active { display: flex; }
.cookie-bar p { color: var(--black); font-weight: 700; margin: 0; }
.cookie-bar button { background: var(--black); color: var(--white); border: none; padding: 5px 20px; font-family: var(--font-head); font-size: 1.2rem; cursor: pointer; }

@media (max-width: 900px) {
    .hero-content h1 { font-size: 3rem; }
    .grid-3, .product-layout, .products-grid, .science-block, .contact-grid, .pulse-form .form-row { grid-template-columns: 1fr; }
    .footer-row { flex-direction: column; text-align: center; gap: 20px; }
}