/* 
  NEO-RING Premium Design System
  Color Palette:
  - Primary: #0B0B0F (Deep Black)
  - Secondary: #00D2FF, #9D50BB (Gradients)
  - Accent: Glassmorphism / Neon Glow
*/

:root {
    --bg-color: #0B0B0F;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --accent-blue: #00D2FF;
    --accent-purple: #9D50BB;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 210, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(157, 80, 187, 0.05) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 50px 50px, 50px 50px;
    color: var(--text-primary);
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Helper Classes (Avoiding * selector) */
.section-padding {
    padding: 100px 5%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 90%;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Header */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 11, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 20px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: white;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--accent-blue);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: white;
    margin-bottom: 5px;
    transition: var(--transition-smooth);
    border-radius: 3px;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Footer */
.footer {
    background: #050507;
    border-top: 1px solid var(--glass-border);
    padding: 80px 5% 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.footer-heading {
    color: white;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link-item {
    margin-bottom: 12px;
}

.footer-link-a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-link-a:hover {
    color: var(--accent-blue);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 30px;
    text-align: center;
    color: #666;
    font-size: 0.85rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at center, rgba(0, 210, 255, 0.08) 0%, transparent 70%);
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 180deg at 50% 50%, #00d2ff05 0deg, #9d50bb05 180deg, #00d2ff05 360deg);
    animation: rotateHero 20s linear infinite;
    z-index: 1;
}

@keyframes rotateHero {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    z-index: 2;
    max-width: 900px;
}

.hero-h1 {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Sections */
.section-title-wrap {
    text-align: center;
    margin-bottom: 60px;
}

.section-h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.section-p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Product Cards Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    display: flex;
    flex-direction: column;
}

.product-img-wrap {
    width: 100%;
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 20px;
    background: #1a1a1f;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.product-card:hover .product-img {
    transform: scale(1.1);
}

/* FAQ */
.faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 20px;
}

.faq-q {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    cursor: pointer;
    color: var(--accent-blue);
}

.faq-a {
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-nav {
        padding: 15px 0;
    }
    .hero-h1 {
        font-size: 3rem;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(11, 11, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transition: var(--transition-smooth);
        z-index: 1000;
        display: flex; /* Override display: none */
    }
    .nav-links.active-mobile {
        right: 0;
    }
    .menu-toggle {
        display: block;
    }
    .section-h2 {
        font-size: 2.2rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}